1. An electrical performance testing device, comprising:

the profiling module (1) comprises a detection surface (11) matched with a product to be detected;

the probe pressing head (2) is arranged opposite to the profiling module (1), and the profiling module (1) and the probe pressing head (2) are configured to move relatively, so that the detection surface (11) and the probe pressing head (2) are abutted to the product to be detected;

circuit (3), profile modeling module (1) with probe pressure head (2) all with circuit (3) electricity is connected, works as detect face (11) with probe pressure head (2) all with during the product butt that awaits measuring, in order to test the electrical property of the product that awaits measuring.

2. The electrical performance testing device of claim 1, wherein the profiling module (1) further comprises a plurality of mounting through holes (12) uniformly arranged on the detection surface (11) and module leads (13) in one-to-one correspondence with the mounting through holes (12); one end of the module lead (13) is connected with the mounting through hole (12), the end face of the module lead is configured to be capable of being abutted to the product to be tested, and the other end of the module lead is connected with the circuit (3).

3. The electrical performance testing device of claim 2, further comprising a terminal mounting plate (6), wherein the terminal mounting plate (6) comprises a positive terminal interface (61) and a plurality of negative terminal interfaces (62), wherein the positive terminal interface (61) is connected with the probe head (2), and the negative terminal interfaces (62) are connected with the module leads (13) in a one-to-one correspondence;

or, terminal mounting panel (6) include negative terminal interface (62) and a plurality of positive terminal interface (61), negative terminal interface (62) with probe pressure head (2) are connected, positive terminal interface (61) with module lead wire (13) one-to-one is connected.

4. The electrical performance testing device of claim 2, wherein the circuit (3) further comprises a detector (31), and the detector (31) can selectively conduct the probe head (2) and one of the module leads (13) to detect the electrical performance of the position where the product to be tested abuts against the module lead (13).

5. The electrical performance testing device of claim 3, wherein the profiling module (1) is removably connected to the terminal mounting plate (6).

6. The electrical performance testing device of claim 1, further comprising a pressure control system (4), the pressure control system (4) being connected to the probe head (2), the pressure control system (4) being configured to be able to adjust the pressure between the probe head (2) and the product to be tested.

7. The electrical performance testing device of claim 6, wherein the pressure control system (4) comprises a weight mounting plate (41) and a weight (42), the mounting plate (41) can be close to or far away from the profiling module (1) along a vertical direction, the probe pressure head (2) is connected with the lower end of the weight mounting plate (41), and the weight (42) is arranged at the upper end of the weight mounting plate (41).

8. The electrical performance testing device of claim 7, further comprising a pressing block (5), wherein one end of the pressing block (5) is connected with the weight mounting plate (41), and the other end of the pressing block is connected with the probe pressing head (2).

9. The electrical performance testing device of claim 7, wherein the pressure control system (4) further comprises a slide rail (43) and a support column (44), the slide rail (43) being disposed on the support column (44) and extending in a vertical direction; the weight mounting plate (41) is connected with the sliding rail (43) in a sliding manner.

10. The electrical performance testing device of claim 6, further comprising a base (7), wherein the base (7) is located below the pressure control system (4) and is connected to the pressure control system (4).

Background

Before the parts of the electronic product are delivered from a factory or put into the next procedure, the continuity test is needed, and whether the tested object meets the electrical performance standard or not is judged according to the test result. The electrical performance testing device is the execution equipment of the conductivity test.

In the prior art, a product to be tested is usually placed on an object stage, then a pressing block is used for clamping the product to be tested, and the object stage and the pressing block are both electrically connected with a test system. When a product to be tested is clamped, a closed loop is formed, test voltage is input into a test system, and electrical parameters such as resistance or breakdown voltage of the product to be tested are indirectly tested through detecting loop current.

The object stage of the traditional electrical performance testing device is a plane, so that the device can only detect flat products, and when the products are non-flat, the traditional electrical performance testing device cannot test well, so that the accuracy of a test result is poor, and even the test cannot be carried out.

Disclosure of Invention

Based on the above, the present invention is directed to provide an electrical performance testing apparatus, which solves the problem that the electrical performance testing apparatus using a probe in the prior art is difficult to test a non-flat type product.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electrical performance testing device comprising:

the profiling module comprises a detection surface matched with a product to be detected;

the probe pressure head is arranged opposite to the profiling module, and the profiling module and the probe pressure head are configured to be capable of relatively moving so that the detection surface and the probe pressure head are abutted to the product to be detected;

the circuit, the profile modeling module with the probe pressure head all with the circuit electricity is connected, works as the detection face with the probe pressure head all with during the product butt that awaits measuring, in order to test the electrical property of the product that awaits measuring.

As a preferable scheme of the treating agent feeding device, the profiling module further comprises a plurality of mounting through holes uniformly arranged on the detection surface and module leads in one-to-one correspondence with the mounting through holes; one end of the module lead is connected with the mounting through hole, the end face of the module lead is configured to be capable of being abutted to the product to be tested, and the other end of the module lead is connected with the circuit.

As a preferred scheme of the electrical performance testing device, the electrical performance testing device further comprises a terminal mounting plate, wherein the terminal mounting plate comprises a positive terminal interface and a plurality of negative terminal interfaces, the positive terminal interface is connected with the probe pressing head, and the negative terminal interfaces are connected with the module leads in a one-to-one correspondence manner;

or, the terminal mounting panel includes negative terminal interface and a plurality of positive terminal interface, the negative terminal interface with the probe pressure head is connected, the positive terminal interface with the module lead wire one-to-one is connected.

As a preferable scheme of the electrical performance testing device, the circuit further comprises a detector, and the detector can selectively conduct the probe pressing head and one of the module leads so as to detect the electrical performance of the product to be tested at the position where the product to be tested is abutted to the module lead.

As a preferable mode of the electrical performance testing device, the profiling module is detachably connected with the terminal mounting plate.

As a preferable aspect of the electrical performance testing apparatus, the electrical performance testing apparatus further includes a pressure control system, the pressure control system is connected to the probe head, and the pressure control system is configured to adjust a pressure between the probe head and the product to be tested.

As an electrical property testing arrangement's preferred scheme, the pressure control system includes weight mounting panel and weight, the mounting panel can be followed vertical direction and be close to or keep away from the profile modeling module, the probe pressure head with the lower extreme of weight mounting panel is connected, the weight set up in the upper end of weight mounting panel.

As an optimal scheme of the electrical performance testing device, the electrical performance testing device further comprises a pressing block, one end of the pressing block is connected with the weight mounting plate, and the other end of the pressing block is connected with the probe pressing head.

As a preferable scheme of the electrical performance testing device, the pressure control system further comprises a slide rail and a support column, wherein the slide rail is arranged on the support column and extends in the vertical direction; the weight mounting plate with slide rail sliding connection.

As a preferable scheme of the electrical performance testing device, the electrical performance testing device further comprises a base, and the base is located below the pressure control system and connected with the pressure control system.

The invention has the beneficial effects that:

the invention provides an electrical performance testing device which comprises a profiling module, a probe pressing head and a circuit, wherein the probe pressing head and the profiling module are arranged oppositely, and the profiling module and the probe pressing head are configured to move relatively, so that a detection surface and the probe pressing head are abutted to a product to be tested. When the profiling module and the probe pressing head move to the working position relatively, the profiling module and the probe pressing head are abutted to a product to be tested, after test voltage is loaded, the profiling module and the probe pressing head are communicated with the circuit, so that the electrical performance of the product to be tested can be detected through the current in the circuit, and the product to be tested is insulated when no current exists or the current is almost zero; when current exists, the resistance value of the product to be measured can be calculated; when the current is larger, the breakdown voltage of the product to be tested is already reached. The profiling module of the device comprises a detection surface matched with a surface to be detected of a product to be detected, and can be abutted to the product to be detected better so as to detect the non-flat plate type product and ensure the accuracy of a test result. The invention can test the non-flat-plate type product, and solves the problem that the electric performance testing device applying the probe in the prior art is difficult to test the non-flat-plate type product.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a three-dimensional view of an electrical performance testing apparatus provided in accordance with an embodiment of the present invention;

FIG. 2 is a three-dimensional block diagram of a profiling module provided in accordance with an embodiment of the present invention;

FIG. 3 is a three-dimensional block diagram of a probe head provided in accordance with an embodiment of the present invention;

FIG. 4 is a three-dimensional block diagram of a pressure control system provided in accordance with an embodiment of the present invention;

fig. 5 is a three-dimensional structural view of the weight mounting plate according to the embodiment of the present invention.

In the figure:

1-a profiling module; 11-detection surface; 12-mounting a through hole; 13-module leads;

2-probe pressure head; 21-a clamp;

3-a circuit; 31-a detector;

4-a pressure control system; 41-weight mounting plate; 411-a load table; 412-lower connecting column; 413-upper fixing column; 414-connecting plate; 42-weight; 43-a slide rail; 44-support columns;

5-briquetting; 51-mounting holes;

6-terminal mounting plate; 61-positive terminal interface; 62-negative terminal interface;

7-base.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Before the parts of the electronic product are delivered from a factory or put into the next procedure, the continuity test is needed, and whether the tested object meets the electrical performance standard or not is judged according to the test result. The electrical performance testing device is the execution equipment of the conductivity test.

As shown in fig. 1, the present embodiment provides an electrical performance testing apparatus including: a probe pressure head 2 and circuit 3 for bearing the profile modeling module 1 of the product that awaits measuring, compress tightly the product that awaits measuring with the cooperation of profile modeling module 1, profile modeling module 1 and probe pressure head 2 relative motion to all communicate with circuit 3, the product that awaits measuring is arranged in between profile modeling module 1 and the probe pressure head 2 and with profile modeling module 1 and 2 butts of probe pressure head, accessible circuit 3 detects the electrical property of the product that awaits measuring when the butt.

The profiling module 1 comprises a detection surface 11 matched with a product to be detected. For example, in order to match with the surface of the product to be tested, the detection surface 11 may be a curved surface, a wavy surface, or a composite plane formed by combining a curved surface and a plane, so as to be adapted to the surface of the product to be tested, so that the detection surface 11 can be better attached to the surface of the product to be tested, and the accuracy and reliability of the test result can be ensured. The invention can test the product with the surface of the product to be tested being the irregular surface, and solves the problem that the electrical performance testing device applying the probe in the prior art is difficult to test the product with the surface to be tested being the irregular surface.

Specifically, as shown in fig. 2, the profile module 1 further includes a plurality of mounting through-holes 12 uniformly arranged on the detection surface 11 and module leads 13 corresponding to the mounting through-holes 12 one to one. One end of the module lead 13 is connected to the mounting through hole 12, and the end face is configured to abut against a product to be tested, and the other end is connected to the circuit 3. The multi-point position detection of the product to be detected is realized through the arrangement. In this embodiment, many module lead wires 13 all link to each other with circuit 3, can realize detecting the electrical property of the product surface different positions that awaits measuring through putting through different module lead wires 13 among the testing process, detect the electrical property of product or flexible material under different shapes, positions more accurately.

The detection surface 11 mainly functions as a support, and therefore needs to have a certain rigidity. Furthermore, the detection surface 11 must also be an insulating material, which is not itself electrically conductive. If the detection surface 11 is made of non-insulating material, the detection surface 11 will be charged, and at this time, the module lead 13 will fail due to the erroneous touch, and further the multi-point detection will fail. And the detection surface 11 is charged, which also increases the risk of electric shock for the operator.

Probe pressure head 2 is just to setting up with profile modeling module 1, and profile modeling module 1 is configured into can relative motion with probe pressure head 2 to make detection face 11 and probe pressure head 2 all with the product butt that awaits measuring, realize switching on of circuit 3, thereby test the product that awaits measuring. Preferably, as shown in fig. 3, the probe head 2 is made of copper, the copper is a conventional conductive medium, the material is wide, the conductivity is excellent, and the copper is made of a metal material, has certain rigidity, can meet the requirement of pressing a product to be tested, and can ensure that deformation generated in a test pressure range can be ignored.

The probe pressure head 2 is also provided with a clamp 21 which can be used for clamping a product to be tested. In this embodiment, the clamp 21 is two elastic clamping jaws oppositely arranged at one end 2 close to 1, and the product to be tested can be clamped between the two elastic clamping jaws. To ensure the clamping reliability, the skilled person also arranges more resilient clamping jaws around the probe head 2 as required by the use. In other embodiments, the clamp 21 may be configured as a chuck, including a three-jaw chuck, a four-jaw chuck, or a soft-jaw chuck. Further, the jig 21 may be provided as a dedicated jig. The number of possible ways of implementing the clamp 21 is numerous and is only exemplary, but not limiting.

In this embodiment, probe pressure head 2 and profile modeling module 1 are arranged along vertical direction to probe pressure head 2 can be close to or keep away from profile modeling module 1 and remove, so that detection face 11 and probe pressure head 2 all with the product butt that awaits measuring, realize switching on of circuit 3, thereby test the product that awaits measuring. Alternatively, in other embodiments, the probe head 2 and the profiling module 1 are arranged in a horizontal direction. Further optionally, the relative movement mode may also be that the profiling module 1 is close to or away from the probe head 2, or that both the profiling module 1 and the probe head 2 move towards or away from each other. It should be clearly noted that the relative movement herein also includes relative rotation, and the rotation may be rotation of one of the profiling module 1 and the probe head 2 or rotation of both the profiling module 1 and the probe head 2.

Profiling module 1 and probe pressure head 2 all are connected with circuit 3 electricity, are close to profiling module 1 when probe pressure head 2, until probe pressure head 2 and detection face 11 all with the product butt that awaits measuring, when reaching operating position, circuit 3 loading test voltage, through the electric property of the product that awaits measuring of the current detection among the detection circuitry 3.

With continued reference to fig. 1, the circuit 3 further includes a detector 31, and the detector 31 can selectively connect the probe head 2 to one of the module leads 13, so as to detect the electrical performance of the position where the product to be tested abuts against the module lead 13. The tester 31 is provided with contacts of opposite electrodes which, when connected to the probe head 2 and to a certain module lead 13, respectively, form a complete closed circuit with the electric circuit 3. At this time, the detector 31 outputs a test voltage, so that the electrical performance of the point where the lead module 13 connected to the contact is located can be detected. Furthermore, the contact is selectively connected with different module leads 13, so that multi-point test on the product to be tested can be realized. Alternatively, 31 may be a multimeter.

The electric property testing device further comprises a terminal mounting plate 6, the terminal mounting plate 6 comprises a negative terminal interface 62 and a plurality of positive terminal interfaces 61, the negative terminal interface 62 is connected with the probe pressing head 2, the positive terminal interfaces 61 are connected with the module leads 13 in a one-to-one correspondence mode, the terminal mounting plate 6 is arranged to be clear in the plurality of terminal interfaces and orderly and fixedly arranged to be an operation panel, the operability of the equipment is enhanced, and the safety and accuracy of operators can be conveniently and accurately detected for products to be tested. The positive terminal interface 61 and the negative terminal interface 62 are arranged on the terminal mounting plate 6 in a penetrating manner, and one end of the terminal mounting plate 6 below is connected with the probe pressing head 2 or the module lead 13, so that the wiring and the lead position fixing can be performed clearly. The end above the terminal mounting plate 6 is used for detection and convenient operation. It should be noted that the terminal interfaces on the terminal mounting board 6 are arranged at the same positions as the module leads 13 on the detection surface 11, so as to selectively measure the electrical performance of a certain position of the product to be detected.

In other embodiments, the terminal mounting plate 6 may further include a positive terminal interface 61 and a plurality of negative terminal interfaces 62, the positive terminal interface 61 is connected to the probe head 2, and the positive terminal interfaces 62 are connected to the module leads 13 in a one-to-one correspondence.

Preferably, the embodiment is provided with 128 positive terminal interfaces 61 and 1 negative terminal interface 62, the profiling module 1 is connected with the positive terminal interface 61, the probe pressing head 2 is connected with the negative terminal interface 62, the negative electrode of the detector 31 is connected with the negative terminal interface 62, and the positive electrode of the detector 31 can be selectively conducted with one of the 128 positive terminal interfaces, so as to realize the test of the electrical performance of a certain point of a product to be tested.

The terminal mounting plate 6 is made of an insulating material, and plastic is selected in the present embodiment by way of example. The position relation between the terminal mounting plate 6 and the profiling module 1 is not specifically limited in the application, and the terminal mounting plate 6 and the profiling module 1 can be assembled and connected and can also be separated from each other. In the present embodiment, however, the copying die set 1 is preferably detachably attached to the terminal mounting plate 6. The profiling module 1 capable of replacing various different detection surfaces 11 is arranged, and the application range of the detection device is expanded. Specifically, the profiling module 1 is provided with a mounting hole 51, a threaded hole is formed in a corresponding position on the terminal mounting plate 6, and a mounting bolt penetrates through the mounting hole 51 to be in threaded connection with the threaded hole, so that detachable connection is achieved.

In addition, be provided with the line holding groove on the terminal mounting panel 6 to holding module lead wire 13, so set up and can set up the module lead wire 13 of connecting profile modeling module 1 and terminal mounting panel 6 in the inside of terminal mounting panel 6, make profile modeling module 1 and terminal mounting panel 6 constitute the sub-assembly body, realized the modularization, make detection device change the assembly and use.

With continued reference to fig. 1, the electrical performance testing apparatus further includes a pressure control system 4, the pressure control system 4 being connected to the probe head 2, the pressure control system 4 being configured to regulate the pressure of the probe head 2 and the product to be tested. For piezoelectric materials, when the pressure to which the piezoelectric materials are subjected is different, the electrical properties of the materials are different, so that the pressure control system 4 is arranged in the embodiment to test the properties of the piezoelectric materials.

As shown in fig. 4, pressure control system 4 includes weight mounting panel 41 and weight 42, and profile modeling module 1 is close to or keeps away from along vertical direction to mounting panel 41, and probe pressure head 2 is connected with the lower extreme of weight mounting panel 41, and weight 42 sets up in the upper end of weight mounting panel 41. The present invention can simulate the resistance value change of the test product under different pressures by adding or subtracting the number of the weights 42 on the weight mounting plate 41.

In addition, in this embodiment, the electrical performance testing apparatus further includes a pressing block 5, one end of the pressing block 5 is connected to the weight mounting plate 41, and the other end is connected to the probe pressing head 2. There are many ways of connecting, and it is herein exemplified that the connection may be by way of screw pair, snap, rivet, adhesive, and welding, to name but a few. The pressing block 5 is further provided with a mounting hole 51, so that the probe pressing head 2 and the pressing block 5 can be conveniently assembled and disassembled, and meanwhile, a mounting space is reserved for a lead connected with the probe pressing head 2 and the circuit 3.

The probe head 2, the weight mounting plate 41 and the weight 42 are all made of metal materials, and the pressure block 5 is made of an insulating material, thereby providing an operating space for an operator. An operator can lift or lower the weight mounting plate 41 through the pressing block 5, thereby completing the operation of placing a product to be detected before detection or replacing the product to be detected after detection. If the pressing block 5 is not arranged and the probe pressing head 2 is directly connected to the pressure control system 4, the electric shock danger is easy to occur. In other embodiments, if the weight mounting plate 41 and the weight 42 are both made of insulating materials, the probe head 2 can be directly connected to the pressure control system 4.

Specifically, as shown in fig. 5, the weight mounting plate 41 in the present embodiment includes a load table 411. The weight table 411 has a circular structure and is used for bearing the weight 42. The weight mounting plate 41 further comprises an upper fixing column 413, the upper fixing column 413 is arranged on the upper surface of the load table 411, and the upper fixing column 413 and the load table 411 are coaxially arranged. Fixed column 413 is located to weight 42 cover, and fixed column 413 is spacing to weight 42, can prevent that weight 42 from dropping to make weight 42's pressure evenly distributed on load platform 411, avoid causing the normal pressure skew because of weight 42 biasing, further lead to electrical performance testing arrangement's test accuracy impaired.

In order to realize the connection between the weight mounting plate 41 and the pressing block 5, the weight mounting plate 41 further comprises a lower connecting column 412, and the lower connecting column 412 and the loading table 411 are coaxially arranged. In the same way, the coaxial arrangement of the lower connecting column 412 and the load platform 411 ensures that the positive pressure does not generate direction deviation during the transmission process. The surface of the lower connecting column 412 is provided with external threads, one end of the pressing block 5 is provided with a threaded hole, the lower connecting column 412 is in threaded connection with the pressing block 5, and the threaded pair is good in connection performance, convenient to process and convenient to detach. In other embodiments, the lower connecting column 412 and the upper fixing column 413 may also be integrated into a whole structure, penetrate through the load platform 411, and be fixedly connected to the load platform 411. The number of parts can be reduced by the arrangement, and the lower connecting column 412 and the upper fixing column 413 are ensured to be coaxial by using an integral structure, so that the assembly is convenient.

The pressure control system 4 further comprises a slide rail 43 and a support column 44, the slide rail 43 being disposed on the support column 44 and extending in a vertical direction. The weight mounting plate 41 is slidably connected to the slide rail 43. Specifically, the weight mounting plate 41 further comprises a connecting plate 414, the connecting plate 414 is connected with the load table 411, a mounting hole 51 is formed in the connecting plate 414, a slider capable of sliding along the slide rail 43 is arranged on the slide rail 43, and the connecting plate 414 is fixedly connected with the slider on the slide rail through the mounting hole 51, so that the weight mounting plate 41 and the slider can synchronously slide along the slide rail 43 in the vertical direction.

The non-working state corresponds to the working position, namely when the non-working state is in, the pressure control system 4 naturally falls under the action of gravity, and the probe pressure head 2 at the lower end of the pressure control system 4 is directly abutted against the profiling module 1. During the use, upwards lift up along slide rail 43 with probe pressure head 2 and the weight mounting panel 41 that does not bear weight 42, place the product that awaits measuring in the below of probe pressure head 2 or on anchor clamps 21 after, drop probe pressure head 2 and weight mounting panel 41 again, make probe pressure head 2 and the product butt that awaits measuring, increase the quantity of weight 42 as required afterwards, test the product.

With continued reference to fig. 1, the electrical performance testing apparatus further includes a base 7, the base 7 being located below the pressure control system 4 and connected to the support plate 44. Preferably, the support post 44 is also provided with reinforcing ribs. The arrangement can ensure that the lower end of the pressure control system 4 has a large enough supporting area to avoid dumping. Furthermore, the provision of the probe ram 2 on the base 7 facilitates movement of the pressure control system 4 as compared to a fixed arrangement of the pressure control system 4.

In this embodiment, terminal mounting panel 6 also sets up on base 7, makes electrical performance testing arrangement forms a whole, with holding the wire casing towards base 7, has guaranteed that circuit and part position are relatively fixed, has effectively prevented that the mistake from touching and the part is lost, also can wholly carry or remove when using. In other embodiments, the circuit 3 and the base 7 may be integrated into a single structure.

Preferably, the rubber foot pad is installed to base 7's lower extreme, and the rubber foot pad can play the antiskid effect, can also play insulating effect to ground when detecting, guarantees operating personnel's personal safety. Further preferably, the base 7 is further provided with a leveling mechanism, when the working plane where the testing mechanism is located is not flat enough, the pressure applied to the product to be tested deviates from the weight of the weight 42, so that the testing result is inaccurate, and therefore, the electrical performance testing device needs to be leveled and then tested. Illustratively, the leveling mechanism is a screw thread pair, and 4 sets of screw thread pairs are disposed between the base 7 and the rubber foot pad. Preferably, the thread pair is of a bolt and nut structure, the nut is fixed on the base 7, the bolt can rotate relative to the nut, and the lower end of the bolt is connected with the rubber foot pad. When the adjustment is needed, the bolt in the thread pair is rotated to enable the bolt to rotate relative to the nut, so that the lifting of the position of the bolt is realized. The leveling of the base 7 is realized by adjusting the heights of the four corner bolts of the base 7.

The working process of the electrical performance testing device is as follows: firstly, the electrical performance testing device is leveled, then the weight mounting plate 41 which does not bear the weight 42 is lifted upwards along the slide rail 43, a product to be tested is placed in cooperation with the profiling module 1 or the product to be tested and the clamp are clamped on the clamp 21, and then the weight mounting plate 41 is dropped, so that the probe pressure head 2 is abutted to the product to be tested. And then the number of the weights 42 is increased according to the test requirement, and the positive pressure of the product to be tested is controlled. Finally, the positive electrode and the negative electrode of the detector 31 are correspondingly connected to one of the positive electrode terminal interface 61 and the negative electrode terminal interface 62, the circuit 3 is turned on, and after a plurality of groups of test voltages are loaded, the magnitude of the current value in the corresponding circuit 3 in each group is detected, so that a plurality of groups of voltage and current data are obtained. Through the voltage and current values of different groups, the electrical properties of the product to be tested, such as insulation, resistance value and breakdown voltage, at the position corresponding to the positive terminal interface 61 can be judged. If no current or almost zero current is detected, the product to be detected is insulated; when current exists, the resistance value of the product to be measured can be calculated; when the current is larger, the breakdown voltage of the product to be tested is already reached. It should be noted that the electrical performance of the product to be measured at different positions can also be measured by conducting different positive terminal interfaces 61 and negative terminal interfaces 62.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.