1. Composite insulator degradation and defect simulation device that generates heat under tropical island environment, its characterized in that includes:

the temperature and humidity monitoring device comprises a case (10), wherein a heating device (11) for adjusting the internal temperature of the case (10), a spraying device (12) for adjusting the internal humidity of the case (10) and a temperature and humidity sensor (13) for detecting the internal temperature and humidity of the case (10) are arranged on the case (10);

the rotating frame (20) is rotatably mounted on the rack, a first driving device (14) which is used for driving the rotating frame (20) to rotate and adjusting the rotating speed of the rotating frame (20) is arranged on the rack, a plurality of rotating blocks (22) with transmission gears (21) are rotatably arranged on the rotating frame (20), a gear ring (30) meshed with the transmission gears (21) is rotatably arranged on the case (10), and a second driving device (15) which is used for driving the gear ring (30) to rotate and adjusting the rotating speed of the gear ring (30) is arranged on the case (10);

the insulator clamping device comprises a base plate (40), the base plate (40) is rotatably installed on the case (10), a central column (41) used for being connected with the rotating frame (20) is arranged on the base plate (40), a plurality of lifting tables (42) in one-to-one correspondence with the rotating blocks (22) are arranged on the base plate (40), a lifting plate (43) is arranged on the lifting tables (42) in a moving mode, a rotating cylinder (44) is arranged on the lifting plate (43) in a rotating mode, clamping mechanisms (50) with adjustable clamping intervals are arranged on the rotating cylinder (44) and the rotating blocks (22), and the clamping mechanisms (50) are used for clamping insulators.

2. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the novel gear box is characterized in that a straight rod (221) and a convex block (222) are arranged on the rotating block (22), the transmission gear (21) and the convex block (222) are arranged on the straight rod (221), a groove (23) for the convex block (222) to be rotatably installed is formed in the rotating frame (20), a convex ring (31) is arranged on the gear ring (30), and an installation groove (16) for the convex ring (31) to be rotatably installed is formed in the machine box (10).

3. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the transmission connection is provided with drive gear (151) on second drive arrangement (15), ring gear (30) are provided with internal tooth (32) and external tooth (33), drive gear (151) with external tooth (33) meshing, transmission gear (21) with internal tooth (32) meshing.

4. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the lifting plate (43) is provided with a protruding portion (431), the lifting table (42) is provided with a sliding groove (421) for movably mounting the protruding portion (431), the rotary drum (44) is provided with an annular plate (441), and the lifting plate (43) is provided with an annular groove (432) for rotatably mounting the annular plate (441).

5. The simulation apparatus for degradation and heating defect of composite insulator in tropical island environment according to claim 4, wherein:

the sliding groove (421) is provided with a limiting part (422) for the protruding part (431) to abut against, the lifting table (42) is provided with a spring (423), and the spring (423) pushes the lifting plate (43) to enable the protruding part (431) to elastically abut against the limiting part (422).

6. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the clamping mechanism (50) comprises a plurality of threaded rods (52) with knobs (51) and arc-shaped blocks (53) rotatably arranged on the threaded rods (52), and threaded holes (60) matched with the threaded rods (52) are formed in the rotating blocks (22) and the rotary drum (44).

7. The simulation apparatus for degradation and heating defect of composite insulator in tropical island environment according to claim 6, wherein:

the arc-shaped block (53) is provided with insections (531) for gripping the insulator.

8. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the frame is provided with a control panel (70), and the control panel (70) is electrically connected with the heating device (11), the spraying device (12), the temperature and humidity sensor (13), the first driving device (14) and the second driving device (15) respectively.

9. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the first driving device (14) and the second driving device (15) are both servo motors.

10. The simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment according to claim 1, wherein:

the heating device (11) is provided with a plurality of electric heating tubes, the electric heating tubes surround the inner wall of the case (10), the spraying device (12) comprises a water pump (121) and a plurality of atomizing nozzles (122), and the atomizing nozzles (122) are arranged around the inner wall of the case (10) in an array mode.

Background

The insulator is a main insulating component in a power grid, particularly a transmission line, and is a key component for ensuring the electrical performance. The composite insulator made of the silicon rubber umbrella sleeve and the core rod material is seriously influenced by complex external environment, and can be aged under the action of factors such as corona discharge, ultraviolet radiation, damp and hot, heavy pollution and the like. As the operating time increases, the insulation and mechanical properties of the insulator decrease, as a result of the electromechanical coupling, resulting in a zero or low value insulator, a phenomenon known as aging or degradation of the insulator. The abnormal heating is the composite insulator accident which occurs most frequently in the power grid in recent years, and accident investigation results show that the composite insulator abnormal heating accident is closely related to the aging of an insulator umbrella sleeve and a core rod, and partial abnormal heating insulators have the risk of breakage.

At present, the abnormal heating mechanism of the composite insulator under the high-humidity environment in the south, and the corresponding relation between the aging characteristic of the insulator umbrella sleeve and the core rod and the abnormal temperature rise are lack of deep research, and the composite insulator which generates abnormal heating is usually replaced immediately, so that the power resource is greatly wasted. At present, when insulator degradation research is carried out, insulators at all positions need to be regularly sampled, the sampling workload is large, the insulators under a normal working circuit are easily influenced by various factors in the environment, environmental variables are difficult to control, and the research on insulator degradation is not facilitated. The device that can carry out temperature and humidity control to the insulator has been developed on the existing market, but, this kind of electric heating device and spray set up usually and carry out local heating and humidification at a certain fixed position to the insulator, cause the humiture of each position of insulator to differ easily, influence the work of later stage to insulator sample detection. Therefore, there is an urgent need for a device that can control the working environment of the insulator in order to perform the insulator degradation research in the current insulator degradation research work.

Disclosure of Invention

The invention aims to provide a simulation device for the degradation and heating defects of a composite insulator in a tropical island environment aiming at overcoming the defects in the technology, and aims to solve the problems of low accuracy and reliability of insulator degradation research caused by the fact that the working environment of the insulator is not easy to control.

The invention provides a simulation device for degradation and heating defects of a composite insulator in a tropical island environment, which comprises:

the temperature and humidity sensor comprises a case, wherein a heating device for adjusting the temperature inside the case, a spraying device for adjusting the humidity inside the case and a temperature and humidity sensor for detecting the temperature and humidity inside the case are arranged on the case;

the rotating frame is rotatably mounted on the rack, a first driving device which is used for driving the rotating frame to rotate and can adjust the rotating speed of the rotating frame is arranged on the rack, a plurality of rotating blocks with transmission gears are rotatably arranged on the rotating frame, a gear ring meshed with the transmission gears is rotatably arranged on the case, and a second driving device which is used for driving the gear ring to rotate and can adjust the rotating speed of the gear ring is arranged on the case;

the bottom plate, the bottom plate rotates to be installed on the quick-witted case, be provided with on the bottom plate be used for with the center post that the rotating turret is connected, be provided with a plurality of on the bottom plate with the elevating platform of turning block one-to-one, it is provided with the lifter plate to move on the elevating platform, it is provided with the rotary drum to rotate on the lifter plate, the rotary drum with all be provided with fixture with adjustable centre gripping interval on the turning block, fixture is used for the centre gripping insulator.

Preferably, the rotating block is provided with a straight rod and a convex block, the transmission gear and the convex block are both arranged on the straight rod, the rotating frame is provided with a groove for the convex block to rotate and install, the gear ring is provided with a convex ring, and the case is provided with an installation groove for the convex ring to rotate and install.

Preferably, the second driving device is provided with a driving gear in a transmission connection mode, the gear ring is provided with internal teeth and external teeth, the driving gear is meshed with the external teeth, and the transmission gear is meshed with the internal teeth.

Preferably, the lifting plate is provided with a protruding portion, the lifting table is provided with a sliding groove for movably mounting the protruding portion, the rotating drum is provided with an annular plate, and the lifting plate is provided with an annular groove for rotatably mounting the annular plate.

Preferably, the sliding groove is provided with a limiting part for abutting against the protruding part, the lifting platform is provided with a spring, and the spring pushes the lifting plate to enable the protruding part to elastically abut against the limiting part.

Preferably, the clamping mechanism comprises a plurality of threaded rods with knobs and arc-shaped blocks rotatably arranged on the threaded rods, and threaded holes matched with the threaded rods are formed in the rotating blocks and the rotating drum.

Preferably, the arc-shaped block is provided with insections for gripping the insulator.

Preferably, a control panel is arranged on the rack, and the control panel is electrically connected with the heating device, the spraying device, the temperature and humidity sensor, the first driving device and the second driving device respectively.

Preferably, the first driving device and the second driving device are both servo motors.

Preferably, the heating device is a plurality of electric heating tubes, the electric heating tubes surround the inner wall of the case, the spraying device comprises a water pump and a plurality of atomizing nozzles, and the plurality of atomizing nozzles surround the inner wall of the case in an array manner.

Compared with the prior art, the invention has the following beneficial effects:

the lifting plate is used for controlling the lifting of the rotary drum and is matched with the clamping mechanisms on the rotary drum and the rotary block to fix the insulators, so that the insulators with various lengths and core rod sizes can be fixed, and the universality is high; the rotation and revolution of the insulator and the speed regulation and control of the rotation and revolution of the insulator are realized by respectively driving the rotating frame and the gear ring to rotate and regulating the rotating speed of the rotating frame and the gear ring through the first driving device and the second driving device, and the insulator is heated and sprayed more uniformly by matching with the heating device and the spraying device, so that the effect of regulating and controlling temperature and humidity variables in the environment is realized, and the accuracy and the reliability of later-stage insulator degradation research data are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of one embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a cross-sectional view of a clamping mechanism in accordance with an embodiment of the invention.

In the figure, 10-chassis; 11-a heating device; 12-a spraying device; 121-a water pump; 122-an atomizer; 13-a temperature and humidity sensor; 14-a first drive; 15-a second drive; 151-drive gear; 16-mounting grooves; 20-a rotating frame; 21-a transmission gear; 22-a turning block; 221-straight rod; 222-a bump; 23-a groove; 30-a gear ring; 31-a convex ring; 32-internal teeth; 33-external teeth; 40-a bottom plate; 41-a central column; 42-a lifting platform; 421-a chute; 422-a limiting part; 423-spring; 43-a lifter plate; 431-a boss; 432-a ring groove; 44-a rotating drum; 441-annular plate; 50-a clamping mechanism; 51-a knob; 52-a threaded rod; 53-arc block; 531-insection; 60-threaded holes; 70-control panel.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

Example 1:

referring to fig. 1 to 5, the present invention provides a simulation apparatus for degradation and heating defect of a composite insulator in a tropical island environment, comprising:

the temperature and humidity monitoring system comprises a case 10, wherein a heating device 11 for adjusting the internal temperature of the case 10, a spraying device 12 for adjusting the internal humidity of the case 10 and a temperature and humidity sensor 13 for detecting the internal temperature and humidity of the case 10 are arranged on the case 10;

the rotating frame 20 is rotatably installed on the rack, a first driving device 14 which is used for driving the rotating frame 20 to rotate and can adjust the rotating speed of the rotating frame 20 is arranged on the rack, a plurality of rotating blocks 22 with transmission gears 21 are rotatably arranged on the rotating frame 20, a gear ring 30 which is meshed with the transmission gears 21 is rotatably arranged on the case 10, and a second driving device 15 which is used for driving the gear ring 30 to rotate and can adjust the rotating speed of the gear ring 30 is arranged on the case 10;

the insulator clamping device comprises a bottom plate 40, the bottom plate 40 is rotatably installed on the case 10, a central column 41 used for being connected with the rotating frame 20 is arranged on the bottom plate 40, a plurality of lifting platforms 42 corresponding to the rotating blocks 22 one by one are arranged on the bottom plate 40, lifting plates 43 are movably arranged on the lifting platforms 42, rotating drums 44 are rotatably arranged on the lifting plates 43, clamping mechanisms 50 with adjustable clamping intervals are arranged on the rotating drums 44 and the rotating blocks 22, and the clamping mechanisms 50 are used for clamping insulators.

The lifting plate 43 on the lifting platform 42 controls the rotary drum 44 to lift and cooperate with the clamping mechanism 50 on the rotary drum 44 and the rotating block 22 to fix the insulators, so that the insulators with various lengths and core rod sizes can be fixed, and the universality is high; the temperature and humidity inside the case 10 are monitored in real time through a temperature and humidity sensor 13, and the temperature and humidity inside the case 10 are adjusted in real time through a heating device 11 and a spraying device 12, so that the temperature and humidity environment simulation of the working environment of the insulator is realized; the first driving device 14 and the second driving device 15 respectively drive the rotating frame 20 and the gear ring 30 to rotate and adjust the rotating speed of the rotating frame 20 and the gear ring 30, the rotating frame 20 rotates and drives the insulator to revolve, and the gear ring 30 rotates to drive the insulator to rotate; the rotation speed of the rotating frame 20 is controlled to control the insulator revolution speed, and under the condition that the rotating frame 20 has a certain rotating speed, the rotating speed of the gear ring 30 is controlled to adjust the insulator rotation speed, so that the rotation and revolution of the insulator and the speed regulation of the insulator are realized, and the rotation or revolution motion of the insulator can be stopped at any time according to the requirement; the insulator heating surface and the spraying surface can be adjusted, so that the insulator can be heated and sprayed more uniformly; the device has the functions of regulating and controlling temperature and humidity variables in the environment and enabling the insulator to be heated and sprayed more uniformly, and is favorable for improving the accuracy and the reliability of later-stage insulator degradation research data. The type of the used temperature and humidity sensor 13 is a temperature and humidity sensor THT-N163A.

Specifically, the rotating block 22 is provided with a straight rod 221 and a projection 222, the transmission gear 21 and the projection 222 are both arranged on the straight rod 221, the rotating frame 20 is provided with a groove 23 for rotatably mounting the projection 222, the gear ring 30 is provided with a convex ring 31, and the case 10 is provided with a mounting groove 16 for rotatably mounting the convex ring 31.

Specifically, the second driving device 15 is provided with a driving gear 151 in transmission connection, the ring gear 30 is provided with internal teeth 32 and external teeth 33, the driving gear 151 is meshed with the external teeth 33, and the transmission gear 21 is meshed with the internal teeth 32.

The second driving device 15 drives the driving gear 151 to rotate, the driving gear 151 drives the gear ring 30 to rotate through the transmission action of the external teeth 33, and the gear ring 30 drives the transmission gear 21 to rotate through the transmission action of the internal teeth 32 so that the rotating block 22 drives the insulator to rotate.

Example 2:

referring to fig. 1 to 5, in combination with the technical solution of embodiment 1, in this embodiment, a protrusion 431 is disposed on the lifting plate 43, a sliding groove 421 for movably mounting the protrusion 431 is disposed on the lifting table 42, an annular plate 441 is disposed on the rotating drum 44, and an annular groove 432 for rotatably mounting the annular plate 441 is disposed on the lifting plate 43.

Specifically, the slide groove 421 is provided with a stopper 422 against which the boss 431 abuts, the lift table 42 is provided with a spring 423, and the spring 423 pushes the lift plate 43 so that the boss 431 elastically abuts against the stopper 422.

When the insulator is installed, the upper end of the insulator core rod is fixed by the clamping mechanism 50 at the rotating block 22, the lower end of the insulator core rod is abutted to the rotary drum 44, the rotary drum 44 plays a role in supporting the insulator under the action of the spring 423, the situation that the insulator is shaken or even slipped by the centrifugal force generated by the insulator when revolving or rotating can be reduced, the effect of stabilizing the position of the insulator is achieved, the effect of adapting to insulators with various lengths is achieved, and the universality is high.

Specifically, the clamping mechanism 50 includes a plurality of threaded rods 52 with knobs 51 and arc blocks 53 rotatably disposed on the threaded rods 52, and the rotating blocks 22 and the rotating drum 44 are provided with threaded holes 60 engaged with the threaded rods 52.

Specifically, the arc block 53 is provided with insections 531 for gripping the insulator.

During the centre gripping insulator, it drives threaded rod 52 and rotates to rotate knob 51, threaded rod 52 promotes arc piece 53 and removes under the effect of screw hole 60, order about a plurality of arc piece 53 to the insulator plug and the butt on the insulator plug through rotating a plurality of knob 51, insection 531 on the cooperation arc piece 53 plays clamping action to the insulator, adjust the centre gripping interval between each arc piece 53 in order to adjust the position of arc piece 53 through knob 51, the effect of the insulator of the multiple size of a dimension of adaptation has, the commonality is stronger.

Example 3:

referring to fig. 1 to 5, in combination with the technical solutions of embodiment 1 and embodiment 2, in this embodiment, a control panel 70 is disposed on the rack, and the control panel 70 is electrically connected to the heating device 11, the spraying device 12, the temperature and humidity sensor 13, the first driving device 14, and the second driving device 15, respectively.

When the temperature and humidity sensor 13 works, the temperature and humidity inside the case 10 are detected by the temperature and humidity sensor 13, and the detection result is fed back to the control panel 70, and the control panel 70 drives the heating device 11 and the spraying device 12 to work so that the temperature and humidity inside the case 10 reach a set value; the control panel 70 controls the rotation speed of the first driving device 14 and the second driving device 15 to realize the speed regulation and control of the rotation and revolution of the insulator, and can stop the rotation or revolution motion of the insulator at any time according to the requirement, and has the function of regulating the positions of the heated surface and the spraying surface of the insulator, so that the insulator is heated and sprayed more uniformly, and the control panel 70 simplifies the regulation and control function of the device.

Specifically, the first driving device 14 and the second driving device 15 are both servo motors.

Specifically, the heating device 11 is a plurality of electric heating tubes, the plurality of electric heating tubes are arranged around the inner wall of the case 10, the spraying device 12 includes a water pump 121 and a plurality of atomizing nozzles 122, and the plurality of atomizing nozzles 122 are arranged around the inner wall of the case 10 in an array manner.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings set forth above, without departing from the scope of the claimed solution. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.