CN110553806A - battery box detection method and device and automatic detection line thereof - Google Patents
battery box detection method and device and automatic detection line thereof Download PDFInfo
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- CN110553806A CN110553806A CN201910786832.3A CN201910786832A CN110553806A CN 110553806 A CN110553806 A CN 110553806A CN 201910786832 A CN201910786832 A CN 201910786832A CN 110553806 A CN110553806 A CN 110553806A
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- battery box
- battery
- detection
- leakage current
- current sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
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Abstract
The invention discloses a battery box detection method, which relates to the field of automatic detection equipment and comprises the following steps of S1, inserting a plurality of high-voltage electrodes into a battery box, wherein the high-voltage electrodes are uniformly distributed in the battery box and are not contacted with the inner wall of the battery box; s2, enabling the leakage current sensor to approach the bottom of the battery box from the outer side of the battery box, testing for a certain time, and reading the reading of the leakage current sensor; s3, in the testing time, if the reading of the leakage current sensor is larger than the set current value, the product quality is unqualified; otherwise, the product quality is qualified. Aiming at the problem of incomplete sealing performance detection in the prior art, the invention adopts the principle of high-voltage leakage detection to detect whether the battery box has a thin wall or holes, thereby more scientifically and comprehensively detecting the sealing performance of the battery box.
Description
Technical Field
The invention relates to the field of automatic detection equipment, in particular to a battery box detection method and device and an automatic detection line thereof.
background
The battery box is a necessary part on the battery truck and the car and is a sheet metal part made of stainless steel. In order to ensure a good working environment for the battery, the battery case must have good sealability.
The detection mode to current battery case sealing performance does: the opening of the battery box is closed firstly, high-pressure gas is filled into the battery box, and then the sealing performance of the battery box is evaluated by detecting the change of the air pressure in the battery box.
The sealing faults of the battery box are mainly divided into two types, wherein one type is that a gap exists in the inner wall of the battery box; and secondly, the thickness of the inner wall of the battery box does not reach the standard, and after the battery box is used for a period of time, the battery box generates holes due to friction or corrosion. The detection method in the prior art can only detect the first condition, cannot detect the hidden sealing trouble caused by the thickness of the battery box wall, and cannot comprehensively evaluate and detect the sealing performance of the battery box.
disclosure of Invention
aiming at the problem of incomplete sealing performance detection in the prior art, the invention aims to provide a battery box detection method, a battery box detection device and an automatic detection line thereof, which have the advantages of comprehensively detecting the sealing performance, and timely eliminating and discovering the potential safety hazard of sealing.
In order to achieve the purpose, the invention provides the following technical scheme:
A battery box detection method comprises the following steps,
S1, inserting a plurality of high-voltage electrodes into the battery box, wherein the high-voltage electrodes are uniformly distributed in the battery box and are not in contact with the inner wall of the battery box;
S2, enabling the leakage current sensor to approach the bottom of the battery box from the outer side of the battery box, testing for a certain time, and reading the reading of the leakage current sensor;
S3, in the testing time, if the reading of the leakage current sensor is larger than the set current value, the product quality is unqualified; otherwise, the product quality is qualified.
According to the technical scheme, during detection, the high-voltage electrode discharges in the battery box, if the inner wall of the battery box is thinner or has holes, the battery box leaks electricity excessively, the leakage current sensor is used for detecting the leakage current of the battery box and comparing the leakage current with a standard value, and if the leakage current is excessive, the inner wall of the battery box has thinner parts or holes; because high voltage electrode evenly distributed in the battery case ensures to detect the battery case inner wall comprehensively.
the utility model provides a battery case detection device, is including the detection platform that is used for placing the battery case, the top lift that detects the platform is provided with the apron, the apron orientation the side of detecting the platform is fixed with a plurality of high-voltage electrode, it keeps away from to detect the platform one side of apron is provided with the leakage current sensor.
Through above-mentioned technical scheme, the battery case that will wait to detect is placed on examining test table, and the apron drives high-voltage motor and inserts to the battery box in, high-voltage electrode discharges in the battery box then, if there is thickness thinner or hole in the battery case inner wall, the battery case will leak electricity excessively, adopts the leakage current sensor to detect the leakage current volume of battery case to compare it with the standard value, if the leakage current volume is too much, then there is thinner department or hole in the battery case inner wall.
furthermore, a plurality of high-voltage electrode arrays are arranged on one side of the cover plate.
Through above-mentioned technical scheme, with a plurality of high voltage electrode evenly distributed, ensure to detect comprehensively the battery case inner wall.
Furthermore, the cover plate comprises a frame which is arranged in a lifting mode, a plate electrode of the high-voltage electrode is arranged on one side of the frame, and clamping blocks which are used for clamping the plate electrode in the frame are connected to the two sides of the frame in a sliding mode.
Through above-mentioned technical scheme, adopt the clamp splice with the electrode plate chucking in the frame, convenient to detach and change electrode plate and high voltage electrode.
An automatic detection line for a battery box comprises a turntable, wherein a feeding part for placing a battery box with a detection function, a detection part for detecting the sealing performance of the battery box, an output part for outputting qualified products and a removal part for removing unqualified products are sequentially arranged on the periphery of the turntable;
the detection part adopts the battery box detection device.
According to the technical scheme, the battery box to be detected is placed in the feeding part and is driven by the rotary table to rotate to the detecting part, the battery box is detected by the battery box detecting device, and if the battery box is qualified, the rotary table drives the battery box to rotate to the output part, so that the battery box is pushed out of the output part; if the battery box is unqualified, the turntable drives the battery box to rotate to the removing part, the battery box is pushed out of the removing part, and unqualified products in the battery box are removed in an automatic mode.
Furthermore, a conveying belt used for inputting a battery box to be detected is arranged on one side of the feeding portion, baffles are fixed on two sides of the conveying belt, anti-scraping rollers are arranged in the baffles in a rotating mode along the length direction of the baffles, and a material pushing assembly used for pushing the battery box on the conveying belt to the position, where the feeding portion is located, of the rotating disc is arranged between the baffles and the rotating disc.
Through above-mentioned technical scheme, the battery case is carried to pan feeding portion under the drive of conveyer belt, and the baffle is used for preventing that the battery case from dropping from the side, connects in the baffle internal rotation and prevents scraping the roller for prevent that the contact of battery case lateral wall and baffle inner wall from scraping the flower.
Furthermore, the material pushing assembly comprises a sliding seat arranged above the rotary table and sliding along the radial direction of the rotary table, and a push rod is arranged on the sliding seat in a lifting manner.
Through the technical scheme, the push rod is driven by the sliding seat to move to one side of the battery box, and then driven by the sliding seat, the battery box is pushed to the feeding part.
Further, the seat that slides goes up and down and is provided with the elevator, be fixed with the horizontal plate on the elevator, the rectangular hole has all been seted up to the both sides of horizontal plate, the one end adjustable set up in rectangular downthehole.
through above-mentioned technical scheme, be convenient for adjust the distance between two push rods to be applicable to the battery case of different models.
Furthermore, a buffer block is fixed at one end, far away from the sliding seat, of the push rod, and the end, far away from the push rod, of the buffer block is arranged to be a tip end.
Through the technical scheme, the pointed end is arranged to prevent the push rod from being propped against the opening of the battery box; the buffer block is arranged to avoid scratching the battery box.
Furthermore, one side of the output part is provided with an output belt for conveying qualified products, and a material pushing cylinder for pushing out the products is arranged above the turntable on the output part and the removing part.
through the technical scheme, the output belt is used for outputting qualified products; the material pushing cylinder pushes the battery box to leave the turntable.
Compared with the prior art, the invention has the beneficial effects that:
(1) The high-voltage electrode is used for discharging in the battery box, if the inner wall of the battery box has a thin thickness or a hole, the battery box can excessively leak electricity, a leakage current sensor is used for detecting the leakage amount of the battery box and comparing the leakage amount with a standard value, and if the leakage amount is excessive, the inner wall of the battery box has a thin part or a hole;
(2) The high-voltage electrodes are uniformly distributed, so that the inner wall of the battery box can be comprehensively detected;
(3) furthermore, through setting up the material pushing assembly, realize the automatic feeding of battery case, the liberation labour.
Drawings
FIG. 1 is a block diagram of a battery pack inspection method according to the present invention;
FIG. 2 is a schematic view of the overall structure of the battery pack detection apparatus according to the present invention;
FIG. 3 is a cross-sectional view of the cover plate and the hv electrode;
FIG. 4 is a schematic diagram of the overall structure of the automatic detection line for battery cases according to the present invention;
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
reference numerals: 1. a high voltage electrode; 2. a leakage current sensor; 3. a cover plate; 4. a frame; 5. an electrode plate; 6. a clamping block; 7. a turntable; 8. a feeding part; 9. a detection unit; 10. an excluding section; 11. a conveyor belt; 12. a baffle plate; 13. a scratch-resistant roller; 14. a sliding seat; 15. a push rod; 16. a lifting block; 17. a transverse sheet; 18. a strip hole; 19. a buffer block; 20. a tip; 21. outputting the tape; 22. a material pushing cylinder; 23. a detection table; 24. an output unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following provides a detailed description of the present invention with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
A battery box detection method, as shown in figure 1, comprises the following steps,
S1, the commercial power voltage 220V is changed into adjustable voltage 0-250V through a voltage regulator for output, after the voltage 0-250V is input into a high-voltage transformer, the voltage is changed into adjustable voltage 0-5 ten thousand volts through the high-voltage transformer to be supplied to a high-voltage electrode 1 (0-50 kV can set a fixed value according to the voltage required by the test), then a plurality of high-voltage electrodes 1 are inserted into a battery box from an opening of the battery box, a plurality of high-voltage electrodes 1 are uniformly distributed in the battery box, and the high-voltage electrodes 1 are not contacted with the inner wall of the battery box;
S2, enabling the leakage current sensor 2 to approach the bottom of the battery box from the outer side of the battery box, testing for a certain time, and reading the reading of the leakage current sensor 2;
S3, in the testing time, if the reading of the leakage current sensor 2 is larger than the set current value, the product quality is unqualified; otherwise, the product quality is qualified.
The detection principle is as follows: the high-voltage electrode 1 discharges in the battery box, if the inner wall of the battery box has a thinner thickness or a hole, the battery box leaks electricity too much, a leakage current sensor 2 is adopted to detect the leakage current of the battery box and compare the leakage current with a standard value, and if the leakage current is too much, the inner wall of the battery box has a thinner part or a hole; because high voltage electrode 1 evenly distributed in the battery case ensures to detect the battery case inner wall comprehensively.
The utility model provides a battery case detection device, as shown in fig. 2 and 3, including the detection platform 23 that is used for placing the battery case, it is provided with the apron 3 that is used for driving a plurality of high-voltage electrode 1 and removes to detect platform 23 top, apron 3 is including going up and down in the frame 4 that detects platform 23 top, frame 4 is the rectangle, and the inner wall of frame 4 is provided with the card limit, it has plate electrode 5 to peg graft in the frame 4, a plurality of high-voltage electrode 1 are installed to one side electricity connection of plate electrode 5, a plurality of high-voltage electrode 1 rectangular array arranges in apron 3 one side, the both sides of frame 4 length direction are slided and are connected with clamp splice 6, plate electrode 5 presss from both sides tightly between the card limit of frame 4 and clamp splice 6, it is. The leakage current sensor 2 is used for detecting the leakage current of the battery box and judging whether the inner wall of the battery box has the problem of thin wall or holes or not, so that the battery box is comprehensively evaluated.
an automatic detection line for battery boxes is shown in figures 4 and 5 and comprises a rack, wherein a turntable 7 is rotatably connected in the rack, and a feeding part 8 for placing a battery box with a detection function, a detection part 9 for detecting the sealing performance of the battery box, an output part 24 for outputting qualified products and a removal part 10 for removing unqualified products are sequentially arranged on the periphery of the turntable 7; the detection part 9 adopts the battery box detection device, the detection table 23 in the battery box detection device is the rotary table 7, and four separation blades are fixed on the circumferential array of the upper surface of the rotary table 7, so that the battery box is convenient to position.
during the use, the battery case that awaits measuring is imported to pan feeding portion 8, then follows carousel 7 and rotates to detection portion 9, discharges by high-voltage electrode 1 and detects, and after the detection, the battery case continues to follow carousel 7 and rotates to output portion 24, if the product is qualified, then pushes out qualified product from output portion 24, if unqualified, then continues to place the product on carousel 7 and rotates to exclusion portion 10 discharges, realizes the rejection classification of unqualified product.
A conveying belt 11 for inputting a battery box to be detected is arranged on one side of the feeding portion 8, baffle plates 12 are fixed on two sides of the conveying belt 11, anti-scraping rollers 13 are arranged in the baffle plates 12 in a rotating mode along the length direction of the baffle plates, and a material pushing assembly for pushing the battery box on the conveying belt 11 to the position of the feeding portion 8 in place is arranged between the conveying belt 11 and the rotating disc 7.
The material pushing assembly comprises a sliding seat 14 which is fixed on the rack and located above the rotary table 7, the sliding seat 14 is arranged to slide along the rotary table 7 in the radial direction, a push rod 15 is arranged on the sliding seat 14 in a lifting mode, during use, the sliding seat 14 drives the push rod 15 to descend after sliding out of the rotary table 7, the push rod 15 is located on one side, away from the rotary table 7, of the battery box, then the sliding seat 14 slides towards the direction close to the rotary table 7, and the battery box is pushed to the rotary table 7. The lift is provided with elevator 16 on the seat that slides 14, and elevator 16 is improved level and is fixed with horizontal piece 17, and rectangular hole 18 has all been seted up to horizontal piece 17's both sides, and the one end of push rod 15 is adjustable to be fixed in rectangular hole 18, and the cylinder promotion is all adopted in the slip of seat that slides 14 and elevator 16's lift. One end of the push rod 15, which is far away from the sliding seat 14, is fixed with a buffer block 19, the buffer block 19 is a rubber block, and one end of the buffer block 19, which is far away from the push rod 15, is set to be a tip 20, so that the push battery box is convenient to move, and the battery box side wall is prevented from being scratched.
An output belt 21 for conveying qualified products is arranged on one side of the output part 24, and a material pushing cylinder 22 for pushing the products to leave the rotary table 7 is arranged above the rotary table 7 on the machine frame and on the output part 24 and the removing part 10.
In summary, the following steps:
When the high-voltage leakage detection device is used, the high-voltage electrode 1 is used for discharging in the battery box, if the inner wall of the battery box is thinner or has holes, the battery box can excessively leak electricity, the leakage current sensor 2 is used for detecting the leakage current of the battery box and comparing the leakage current with a standard value, and if the leakage current is excessive, the inner wall of the battery box has thinner parts or holes; the high-voltage electrodes 1 are uniformly distributed, so that the inner wall of the battery box can be comprehensively detected; through setting up the material pushing assembly, realize the automatic feeding of battery case, the liberation labour.
the above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A battery box detection method is characterized by comprising the following steps,
S1, inserting a plurality of high-voltage electrodes (1) into the battery box, wherein the high-voltage electrodes (1) are uniformly distributed in the battery box, and the high-voltage electrodes (1) are not in contact with the inner wall of the battery box;
S2, enabling the leakage current sensor (2) to approach the bottom of the battery box from the outer side of the battery box, testing for a certain time, and reading the reading of the leakage current sensor (2);
S3, in the testing time, if the reading of the leakage current sensor (2) is larger than the set current value, the product quality is unqualified; otherwise, the product quality is qualified.
2. the utility model provides a battery case detection device, its characterized in that, is including being used for placing battery case examine test table (23), the top lift that examines test table (23) is provided with apron (3), apron (3) orientation the side of examining test table (23) is fixed with a plurality of high voltage electrode (1), it keeps away from to examine test table (23) one side of apron (3) is provided with leakage current sensor (2).
3. A battery pack testing device according to claim 2, wherein a plurality of said high voltage electrodes (1) are arranged in an array on one side of said cover plate (3).
4. the battery box detection device according to claim 3, wherein the cover plate (3) comprises a frame (4) which is arranged in a lifting manner, an electrode plate (5) with one side provided with the high-voltage electrode (1) is arranged in the frame (4), and clamping blocks (6) used for clamping the electrode plate (5) in the frame (4) are connected to two sides of the frame (4) in a sliding manner.
5. The automatic detection line for the battery box is characterized by comprising a turntable (7), wherein a feeding part (8) for placing a battery box with a detection function, a detection part (9) for detecting the sealing performance of the battery box, an output part (24) for outputting qualified products and a removal part (10) for removing unqualified products are sequentially arranged on the periphery of the turntable (7);
The detection part (9) adopts a battery box detection device as defined in any one of claims 2 to 4.
6. the automatic battery box detection line according to claim 5, wherein a conveyor belt (11) for inputting battery boxes to be detected is arranged on one side of the feeding portion (8), baffles (12) are fixed on both sides of the conveyor belt (11), anti-scraping rollers (13) are rotated in the baffles (12) along the length direction of the baffles, and a pushing assembly for pushing the battery boxes on the conveyor belt (11) to the feeding portion (8) to be in place is arranged between the conveyor belt (11) and the turntable (7).
7. The automatic battery box detection line according to claim 6, wherein the pushing assembly comprises a sliding seat (14) disposed above the turntable (7) and sliding along a radial direction of the turntable (7), and the sliding seat (14) is provided with a push rod (15) in a lifting manner.
8. The automatic battery box detection line according to claim 7, wherein the sliding seat (14) is provided with an elevating block (16) in a lifting manner, a cross piece (17) is fixed on the elevating block (16), two sides of the cross piece (17) are provided with elongated holes (18), and one end of the push rod (15) is adjustably arranged in the elongated holes (18).
9. a battery box automatic detection line according to claim 7, characterized in that a buffer block (19) is fixed at one end of the push rod (15) far away from the sliding seat (14), and one end of the buffer block (19) far away from the push rod (15) is provided with a tip (20).
10. A battery box automatic detection line according to claim 5, characterized in that one side of the output portion (24) is provided with an output belt (21) for conveying qualified products, and a material pushing cylinder (22) for pushing out products is arranged above the turntable (7) and above the output portion (24) and the rejection portion (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786832.3A CN110553806A (en) | 2019-08-24 | 2019-08-24 | battery box detection method and device and automatic detection line thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786832.3A CN110553806A (en) | 2019-08-24 | 2019-08-24 | battery box detection method and device and automatic detection line thereof |
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| CN110553806A true CN110553806A (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887912A (en) * | 2022-05-05 | 2022-08-12 | 湖南金凯循环科技有限公司 | Lithium battery cover plate testing device with electric leakage detection qualified product output function |
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| CN201997498U (en) * | 2011-02-14 | 2011-10-05 | 无锡先导自动化设备有限公司 | Power capacitance testing device |
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Application publication date: 20191210 |
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