1. The utility model provides a be used for battery to mould shell drain pan and internal surface dirty print detection device, mould shell (1) and be used for carrying out fixture (2) of centre gripping to battery mould shell (1) including the battery, the battery moulds the shell including shell internal surface (101), shell bottom surface (102), its characterized in that:

the detection device comprises a group of side position base frames (3) which are symmetrically distributed, wherein the middle position of each side position base frame (3) is fixedly provided with a main power device (4), the output side of one main power device (4) faces to the inner surface (101) of the battery plastic shell (1), and the output side of the other main power device (4) faces to the bottom surface (102) of the battery plastic shell (1);

a light supplement detection device (6) is fixedly mounted on the end side of an output rod of the main power device (4), a distance sensing module (601), an image acquisition device (602) and light supplement LEDs (603) positioned on two sides of the image acquisition device (602) are embedded into one side face of the light supplement detection device (6), and light reflecting folded plates (7) are fixedly mounted on two sides of the light supplement detection device (6);

the side position power device (5) that a set of symmetric distribution was configured in the direction on side position bed frame (3), the output side of limit position power device (5) is towards the outer loop side of battery plastic shell (1), the output shaft of limit position power device (5) is connected with reflection of light vertical plate (8).

2. The device for detecting the dirtying of the bottom shell and the inner surface of the battery plastic shell as claimed in claim 1, wherein:

the lateral side of the reflecting folded plate (7) is provided with a guide mechanism for guiding and installing the reflecting longitudinal plate (8), and the edge position power device (5) drives the reflecting longitudinal plate (8) to directionally move on the guide mechanism on the lateral side of the reflecting folded plate (7).

3. The device for detecting the dirtying of the bottom shell and the inner surface of the battery plastic shell as claimed in claim 1, wherein:

the inner side surface of the light reflecting folded plate (7) is provided with a folded plate inner light reflecting surface (701), and the inner side surface of the light reflecting longitudinal plate (8) is provided with a longitudinal plate inner light reflecting surface (801).

4. The device for detecting the dirtying of the bottom shell and the inner surface of the battery plastic shell as claimed in claim 1, wherein:

a guide rail groove (301) for guiding and installing the side power device (5) is formed in the side base frame (3), and a guide wheel structure arranged in the guide rail groove (301) is configured at the bottom side of the side power device (5).

5. The device for detecting the dirtying of the bottom shell and the inner surface of the battery plastic shell as claimed in claim 1, wherein:

the light supplementing device is characterized in that a linkage support (9) is fixedly connected to the output rod of the main power device (4) or the two sides of the light supplementing detection device (6), and one end side of the linkage support (9) is fixedly connected to the side power device (5).

6. The device for detecting the dirtying of the bottom shell and the inner surface of the battery plastic shell as claimed in claim 1, wherein:

the device for detecting the dirty print of the bottom shell and the inner surface of the battery plastic shell is applied to a control system, the control system obtains distance information monitored by a distance sensing module (601) and image information acquired by an image acquisition device (602), and the control system drives and controls a main power device (4), a side power device (5) and a light supplement LED (603).

7. A method for detecting dirty marks on a bottom shell and an inner surface of a battery plastic shell, which is characterized in that the device for detecting dirty marks on the bottom shell and the inner surface of the battery plastic shell, which is described in any one of claims 1 to 6, is adopted, and the method comprises the following steps:

s1, the battery plastic shell (1) is clamped by the clamping mechanism (2) and clamped into the corresponding station;

s2, distance detection is carried out by a distance sensing module (601) of the battery plastic shell (1) in the corresponding direction of the shell inner surface (101) and the shell bottom surface (102), and the detected distance information is transmitted to a control system;

s3, the control system drives the main power device (4) to act according to the real-time distance information, the main power device (4) drives the light supplement detection device (6) to move towards the battery plastic shell (1), and after the light supplement detection device (6) moves to an image acquisition distance position preset by the system, the main power device (4) stops driving;

s4, the control system drives the edge power device (5) to act, the edge power device (5) drives the light-reflecting longitudinal plate (8) to move towards the outer ring side face direction of the battery plastic shell (1), and when the moving distance of the light-reflecting longitudinal plate (8) reaches the edge moving reference distance, the edge power device (5) stops driving;

s5, the control system drives the light supplement LED (603) to perform light supplement operation with corresponding power according to the moving distance of the light supplement detection device (6) towards the battery plastic case (1), under the condition that the current image acquisition environment requirement of the battery plastic case (1) is met, the image acquisition device (602) acquires image information of the inner surface (101) and the bottom surface (102) of the battery plastic case (1), and transmits the acquired image information to the control system.

8. The method for detecting smudge on the bottom shell and the inner surface of the battery plastic shell as claimed in claim 7, wherein the method comprises the following steps:

the specification size of the current battery plastic shell (1) is preset in the control system, and the edge position moving reference distance of the reflecting longitudinal plate (8) driven by the edge position power device (5) is set according to the specification size of the current battery plastic shell (1).

9. The method for detecting smudge on the bottom shell and the inner surface of the battery plastic shell as claimed in claim 7, wherein the method comprises the following steps:

the light supplement detection device (6) facing the inner surface of the shell of the battery plastic shell (1) has F (P) · oc F (D) when the distance of movement of the light supplement detection device towards the battery plastic shell (1) is D and the light supplement power of the light supplement LED (603) is P^-1。

10. The method for detecting smudge on the bottom shell and the inner surface of the battery plastic shell as claimed in claim 7, wherein the method comprises the following steps:

when the image acquisition device (602) acquires images of the inner surface (101) and the bottom surface (102) of the battery plastic shell (1), one end of the light-reflecting longitudinal plate (8) is located in the edge inner surrounding area of the side surface of the battery plastic shell (1).

Background

After the battery plastic shell is processed and manufactured, dirty prints may exist on the bottom side surface and the inner surface of the battery plastic shell, the dirty prints around the outside of the shell may be easily found, but the dirty prints on the bottom surface and the inner surface of the battery plastic shell are neglected sometimes, and the dirty prints of the battery plastic shell are processed and manufactured along with the whole storage battery.

The existing method for detecting the dirty print of the battery plastic shell is firstly a method which is low in efficiency and low in accuracy through manual detection. And secondly, shooting and acquiring images of the part to be detected through an image detection device, and carrying out image comparison analysis in the system so as to judge whether the surface of the battery plastic shell shot at present has dirty marks.

However, in the process of shooting and detecting the battery plastic shell, light has a great influence on shot image information, and most of the time, light needs to be supplemented to the shooting environment of the battery plastic shell, so that the setting of the light supplementing environment becomes an important factor influencing the shooting effect.

In addition, the setting of the optimal light supplement environment, the position of image acquisition, and the like can be changed due to different battery specifications.

Disclosure of Invention

The invention aims to provide a device and a method for detecting dirty prints on a bottom shell and an inner surface of a battery plastic shell, which are used for realizing the peripheral surrounding reflection of a light supplementing LED (light emitting diode) with adaptability and forming the diffuse reflection of an internal area, thereby not only effectively reducing the light supplementing power, but also improving the image acquisition definition in the shell and improving the dirty print detection precision.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a device for detecting dirty marks on a bottom shell and an inner surface of a battery plastic shell, wherein a clamping mechanism clamps the battery plastic shell, the battery plastic shell comprises a shell inner surface and a shell bottom surface, the detecting device comprises a group of side position base frames which are symmetrically distributed, a main power device is fixedly arranged in the middle of each side position base frame, the output side of one main power device faces the shell inner surface of the battery plastic shell, and the output side of the other main power device faces the shell bottom surface of the battery plastic shell; a light supplement detection device is fixedly mounted on the end side of an output rod of the main power device, a distance sensing module, an image acquisition device and light supplement LEDs positioned on two sides of the image acquisition device are embedded in one side face of the light supplement detection device, and light reflecting folded plates are fixedly mounted on two sides of the light supplement detection device; the side position bed frame is provided with a group of symmetrically distributed side position power devices in a guiding mode, the output side of each side position power device faces the outer ring side face of the battery plastic shell, and the output shaft of each side position power device is connected with a light reflecting longitudinal plate.

In a preferred embodiment of the dirty print detection device of the present invention, a guide mechanism for guiding and installing the vertical reflective plate is disposed at an end side of the reflective flap, and the edge power device drives the vertical reflective plate to move directionally on the guide mechanism at the end side of the reflective flap.

As a preferred technical scheme of the dirty mark detection device, the inner side surface of the light reflecting folded plate is provided with a folded plate inner reflecting surface, and the inner side surface of the light reflecting longitudinal plate is provided with a longitudinal plate inner reflecting surface.

As a preferable technical scheme of the dirty print detection device, a side position base frame is provided with a guide rail groove for guiding and installing a side position power device, and the bottom side of the side position power device is provided with a guide wheel structure arranged in the guide rail groove.

As a preferred technical scheme of the dirty print detection device, a linkage bracket is fixedly connected to an output rod of a main power device or two sides of a supplementary lighting detection device, and one end side of the linkage bracket is fixedly connected to a side power device.

As a preferred technical scheme of the dirty print detection device, the dirty print detection device is applied to a control system, the control system acquires distance information monitored by a distance sensing module and image information acquired by an image acquisition device, and the control system drives and controls a main power device, a side power device and a light supplement LED.

The invention relates to a method for detecting dirty marks on a bottom shell and an inner surface of a battery plastic shell, which specifically comprises the following steps:

s1, the clamping mechanism clamps the battery plastic shell and clamps the battery plastic shell to the corresponding station.

And S2, distance detection is carried out by the distance sensing modules at the corresponding positions of the inner surface of the battery plastic shell and the bottom surface of the shell, and the detected distance information is transmitted to the control system.

And S3, driving the main power device to act by the control system according to the real-time distance information, driving the light supplement detection device to move towards the battery plastic shell by the main power device, and stopping driving the main power device after the light supplement detection device moves to an image acquisition distance position preset by the system.

And S4, the control system drives the edge power device to act, the edge power device drives the light-reflecting longitudinal plate to move towards the outer ring side face direction of the battery plastic shell, and the edge power device stops driving when the moving distance of the light-reflecting longitudinal plate reaches the edge moving reference distance.

And S5, driving the light supplement LED to perform light supplement operation with corresponding power by the control system according to the moving distance of the light supplement detection device towards the battery plastic shell, and acquiring image information of the inner surface and the bottom surface of the shell of the battery plastic shell by the image acquisition device under the condition of meeting the current image acquisition environment requirement of the battery plastic shell and transmitting the acquired image information to the control system by the image acquisition device.

As a preferred technical scheme of the dirty print detection method in the invention: the specification and the size of the current battery plastic shell are preset in the control system, and the edge position moving reference distance of the reflecting longitudinal plate driven by the edge position power device is set according to the specification and the size of the current battery plastic shell.

As a preferred technical scheme of the dirty print detection method in the invention: if the distance of movement of the light supplement detection device towards the inner surface of the shell of the battery plastic shell is D and the light supplement power of the light supplement LED is P, F (P). varies from F (D)^-1。

As a preferred technical scheme of the dirty print detection method in the invention: when the image acquisition device acquires images of the inner surface and the bottom surface of the shell of the battery plastic shell, one end of the light-reflecting longitudinal plate is located in the edge inner-surrounding area of the side surface of the battery plastic shell ring.

The invention has the following beneficial effects:

according to the invention, the battery plastic shell is clamped and positioned, the non-interfering dirty print detection mechanism for the inner surface and the bottom surface of the battery plastic shell is built, the image acquisition and light supplement distances are adjusted to appropriate positions through distance detection, the surrounding reflection of the periphery of the adaptive light supplement LED is realized, the diffuse reflection of an internal area is formed, the light supplement power is effectively reduced, the image acquisition definition in the shell can be improved, and the dirty print detection accuracy is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a battery plastic casing dirty print detection device according to the present invention;

FIG. 2 is a schematic view of a part of the components of the device for detecting dirty print of battery plastic casing according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-battery plastic shell, 101-shell inner surface, 102-shell bottom surface; 2-a clamping mechanism; 3-side position base frame, 301-guide rail groove; 4-a main power device; 5-a side position power device; 6-a light supplement detection device, 601-a distance sensing module, 602-an image acquisition device, 603-a light supplement LED; 7-reflecting folded plate, 701-reflecting surface in the folded plate; 8-a light-reflecting longitudinal plate, 801-a light-reflecting surface in the longitudinal plate; 9-linkage support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Example one

The side base frames 3 are symmetrically distributed. The main power devices 4 are fixedly installed at the middle positions of the side position base frames 3, the telescopic rod of one main power device 4 faces the inner surface 101 of the battery plastic casing 1, and the telescopic rod of the other main power device 4 faces the bottom surface 102 of the battery plastic casing 1.

The supplementary lighting detection device 6 is located on the output rod end side of the main power device 4. A side face of the light supplement detection device 6 is embedded with a distance sensing module 601, an image acquisition device 602 and two light supplement LEDs 603, the two light supplement LEDs 603 are located on two sides of the image acquisition device 602, and both sides of the light supplement detection device 6 are fixedly provided with a light reflecting folded plate 7. One end of the linkage support 9 is arranged on an output rod of the main power device 4, and the other end of the linkage support is arranged on the side power device 5.

The side position power device 5 that the direction was configured with a set of symmetric distribution on the side position bed frame 3, has seted up guide rail groove 301 on the side position bed frame 3, and the bottom side of side position power device 5 disposes the guide pulley structure of installing in guide rail groove 301, and the guide pulley of side position power device 5 bottom side is installed in guide rail groove 301.

The output side of the side position power device 5 faces the outer ring side face of the battery plastic shell 1, the output shaft of the side position power device 5 is connected with a light reflecting longitudinal plate 8, and the light reflecting longitudinal plate 8 directionally moves on a guide mechanism at the end side of the light reflecting folded plate 7. The inner side surface of the reflecting folded plate 7 is provided with a folded plate inner reflecting surface 701, and the inner side surface of the reflecting vertical plate 8 is provided with a vertical plate inner reflecting surface 801.

Example two

Based on the first embodiment, the invention further relates to a control system, wherein the control system acquires distance information monitored by the distance sensing module 601 and image information acquired by the image acquisition device 602, and drives and controls the main power device 4, the side power device 5 and the light supplement LED 603.

The invention also relates to a method for detecting the dirty print of the bottom shell and the inner surface of the battery plastic shell, which comprises the following steps:

firstly, the holding mechanism 2 clamps the battery plastic case 1 to a corresponding station, the distance sensing modules 601 at the positions corresponding to the inner surface 101 and the bottom surface 102 of the battery plastic case 1 perform distance detection, and the detected distance information is transmitted to the control system.

Then, the control system drives the main power device 4 to act according to the real-time distance information, the main power device 4 drives the light supplement detection device 6 to move towards the battery plastic shell 1, and after the light supplement detection device 6 moves to an image acquisition distance position preset by the system, the main power device 4 stops driving. The control system drives the edge power device 5 to act, the edge power device 5 drives the light-reflecting longitudinal plate 8 to move towards the outer ring side face direction of the battery plastic shell 1, and when the moving distance of the light-reflecting longitudinal plate 8 reaches the edge moving reference distance, the edge power device 5 stops driving.

After the light-reflecting longitudinal plate 8 is adjusted, one end of the light-reflecting longitudinal plate 8 is positioned in the inner surrounding area of the edge of the side face of the battery plastic shell 1.

Finally, the control system drives the light supplement LED603 to perform light supplement operation with corresponding power according to the moving distance of the light supplement detection device 6 towards the battery plastic case 1. The light supplement power of the light supplement LED603 and the moving distance of the light supplement detection device 6 facing the inner surface of the battery plastic case 1 are in an inverse correlation relationship within a certain range, and the larger the moving distance is, the smaller the power required for light supplement is.

Under the condition of meeting the current image acquisition environment requirement of the battery plastic shell 1, the image acquisition device 602 acquires image information of the shell inner surface 101 and the shell bottom surface 102 of the battery plastic shell 1 and transmits the acquired image information to the control system.

In the description herein, references to the terms "embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.