CN213633772U - Electricity core short circuit detection device - Google Patents
Electricity core short circuit detection device Download PDFInfo
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- CN213633772U CN213633772U CN202022408870.6U CN202022408870U CN213633772U CN 213633772 U CN213633772 U CN 213633772U CN 202022408870 U CN202022408870 U CN 202022408870U CN 213633772 U CN213633772 U CN 213633772U
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Abstract
The utility model discloses an electricity core short circuit detection device, include: the first conveyor belt is used for conveying the battery cells; the second conveyor belt is arranged at intervals with the first conveyor belt; the two current plates are arranged between the intervals of the first conveyor belt and the second conveyor belt, and one ends of the two current plates in the same direction respectively correspond to the end parts of the two sides of the first conveyor belt; the separation resistance belt is arranged between the two current plates; the length of the current plate is the same as that of the separation resistance belt; and the current detector is electrically connected with the current plate and arranged on one side of the current plate and used for displaying the current value. Compared with the prior art, beneficial effect lies in: electric core and current board touch, and whether electric core short circuit is learnt to the electric current between current detector detection current board and the electric core through the size of current value, improves the check-out time of electric core, improves the precision that detects, does not influence simultaneously and carries speed.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a lithium ion battery detects technical field, specificly relates to electric core short circuit detection device.
[ background of the invention ]
The core component of the lithium ion battery is a battery cell, the battery cell is mainly produced by laminating or winding a positive pole piece, a negative pole piece and a diaphragm in multiple layers, and the battery cell may appear in actual production: the pole piece has the burr, the diaphragm is damaged, roll up the inside lobe of a leaf scheduling problem of core, these problems all very easily make inside positive pole piece of battery and negative pole piece because directly take place the positive negative pole direct contact of physical contact and produce the short circuit, and this kind of inside short circuit or little short circuit can lead to electric core to become the data unusual, and probably lead to electric core to become to generate heat, lower cabinet low pressure makes electric core performance receive very big influence, can make the battery produce the problem on the security performance even when serious. Therefore, the diagnosis of the short circuit inside the battery cell is an indispensable part of the lithium battery production process.
Among the prior art, electric core short circuit testing arrangement all carries out the short circuit test through an solitary detection cylinder to electric core, sets up test rod group at the drive end department of cylinder promptly, and in the twinkling of an eye of electric core process cylinder on the transmission band, the test rod group of cylinder drive self drive end department moves to the utmost point ear of electric core, carries out the short circuit test to electric core to learn whether electric core has the short circuit problem. However, the transmission efficiency of the transmission belt of the conventional cell short circuit testing device can reach 30 per minute, so that the time for performing the short circuit test on each cell is only 2 seconds at most, and the 2 seconds also need to include the transportation time of the transmission belt to the cell, which results in that the short circuit detection time to the cell in the unit time of the above-mentioned detection method is short, and is generally only 0.5 to 1 second. So that the detection method has poor detection precision.
In view of the above, it is actually necessary to provide a cell short detection device to overcome the deficiencies of the prior art.
[ Utility model ] content
The utility model aims at providing an electricity core short circuit detection device aims at improving the check-out time of electricity core short circuit in order to improve the detection precision.
In order to achieve the above object, the utility model provides an electricity core short circuit detection device, a serial communication port, include: the first conveyor belt is used for conveying the battery cells; the second conveyor belt is arranged at a distance from the first conveyor belt; the current plates are rectangular and are arranged between the first conveyor belt and the second conveyor belt in parallel; the separation resistance belt is used for conveying the battery cell and adjusting the distance between the battery cell and the battery cell, and is arranged between the two current plates; the battery cell is in electric connection with the current plate through the separation belt in a touching mode, the length of the current plate is a preset length, and the length is determined by the touching time of the battery cell and the current plate; the current detector is electrically connected with the current plate, is arranged on one side of the current plate and is used for detecting and displaying the current value of the current plate; the pole ear of the battery cell is in contact with the current plate through the conveyor belt to form electric connection, the current detector displays the current value at the moment, and whether the battery cell is in short circuit or not is judged according to the current value.
In a preferred embodiment, the second conveyor belt comprises: the bifurcating belt is arranged in the direction, away from the current plate, of the second conveyor belt and is communicated with the second conveyor belt; a baffle plate; the baffle is arranged at the communication position of the bifurcated belt and the second conveying belt; the output end of the air cylinder is fixedly connected with the baffle, and the air cylinder is electrically connected with the current detector.
In a preferred embodiment, the outer wall of the current plate is provided with an insulating protective sheath.
In a preferred embodiment, two of the separation-preventing belts are arranged, and are arranged between the two current plates in parallel and at intervals; the separation preventing belt further comprises: the measurer is used for measuring the distance between the battery cell and the battery cell, and is arranged in the direction in which the first conveyor belt is far away from the current plate; the lifting plate is arranged between the separation resistant belts and close to the first conveying belt, and the lifting plate is electrically connected with the measurer.
In a preferred embodiment, a protruding U-shaped groove is provided on a surface of the lifting plate close to the first conveyor belt in the extended state, and the U-shaped groove is matched with the battery core.
In a preferred embodiment, an inductor is disposed on the U-shaped groove, and the inductor is configured to induce a time when the battery cell touches the lifting plate.
Compared with the prior art, the utility model discloses electricity core short circuit detection device's beneficial effect lies in: through the current board that sets up the rectangle between the conveyer belt, when electric core advanced the current board, the two poles of the earth of electric core touched with the current board respectively and formed the route, and whether the electric core short circuit was judged through the size of current value to the electric current detector detection current between electric current board and the electric core, and wherein the length of current board is decided by the time of touching of electric core and current board. The detection time of the battery cell is prolonged, the detection accuracy is improved, and meanwhile, the conveying speed is not influenced.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a cell short circuit detection apparatus provided by the present invention;
fig. 2 is a perspective view of the cell short-circuit detection apparatus shown in fig. 1;
fig. 3 is a schematic diagram of working states of a lifting plate and a baffle of the cell short circuit detection device shown in fig. 1.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Please refer to fig. 1 to fig. 3, the present invention provides a cell short circuit detection apparatus 100, which is mainly used to improve the cell detection time, improve the detection accuracy, and simultaneously, does not affect the transportation rate of the cell.
In an embodiment of the present invention, the utility model provides an electricity core short circuit detection device 100, a serial communication port, include: a first conveyor belt 10, wherein the first conveyor belt 10 is used for conveying the battery cells 16; specifically, the first conveyor belt 10 is connected to a driving motor, and the driving motor provides driving force to drive the first conveyor belt 10 to move so as to convey the battery cell 16.
In the embodiment of the present invention, the second conveyor belt 11 is spaced apart from the first conveyor belt 10. Specifically, the second conveyor belt 11 and the first conveyor belt 10 are intermittently spaced, the second conveyor belt 11 is disposed at the front end of the first conveyor belt 11 in the conveying direction, and the second conveyor belt 11 and the first conveyor belt 10 are driven by a driving motor so as to achieve synchronization.
Further, the second conveyor belt 11 includes: the bifurcating belt 111 is arranged in the direction, away from the first conveyor belt 10, of the second conveyor belt 111, is separated from the first conveyor belt 10 by a distance, and is communicated with the second conveyor belt 11, the bifurcating belt 111 is used for conveying the cells which are detected to be short-circuited, and the body of the second conveyor belt 11 is used for conveying the cells which are good in quality; the baffle 112 is arranged at a position where the bifurcated belt 111 is communicated with the second conveyor belt 11, and the baffle 112 can extend out of the bifurcated belt 111 to form a baffle column cell 16 so as to prevent the cell 16 from being conveyed on the second conveyor belt 11, guide the cell 16 to the bifurcated belt 111, and convey the cell by the bifurcated belt 111; the output end of the cylinder 113 is fixedly connected with the baffle 112, the cylinder 113 is further connected with the current detector 14, the current detector 14 sends out a signal, and the cylinder 113 pushes and retracts the baffle 112, so that automation of the baffle 112 is realized, and therefore, the cylinder 113 can also be other driving devices, such as a hydraulic cylinder or a motor.
In the embodiment of the present invention, the current plate 12 is rectangular, two current plates 12 are provided, and the current plates 12 are disposed in parallel between the first conveyor belt 10 and the second conveyor belt 11; a separation-preventing tape 131, wherein the separation-preventing tape 131 is used for conveying the battery cell 16 and adjusting the distance between the battery cell 16 and the battery cell 16, and the separation-preventing tape 131 is arranged between the two current plates 12; the battery cell 16 is electrically connected to the current plate 12 by touching the separation tape 131, and the length of the current plate 12 is a preset length determined by the touching time of the battery cell 16 and the current plate 12. Specifically, the current plate 12 is rectangular, and is provided with two parallel current plates which are arranged at a distance between the first conveyor belt 10 and the second conveyor belt 11, and the distance between the two current plates 12 is equal to or greater than the width of the first conveyor belt 10, so that the deformation of two poles of the battery cell 16 due to the fact that the distance is too small when two poles of the battery cell 16 touch the current plate 12 can be avoided; the two current plates 12 are energized, and when two poles of the battery cell 16 respectively touch the current plates 12, the current plates 12 and the battery cell 16 form a loop; the length of the current plate 12 is determined by the touching time of the battery cell 16 and the current plate 12, that is, the time required by two poles of the battery cell 16 to be conveyed by the conveyor belt from one end of the current plate 12 to the other end of the current plate 12 is preferably 1.5 seconds to 2 seconds in this embodiment, so that the detection time is long enough without reducing the conveying speed of the conveyor belt; the separation belt 13 is disposed between the two current plates 12, and has a length equal to that of the current plates 12, and the separation belt 131 is additionally connected to a driving motor, so that the speed of the separation belt is equal to that of the first conveyor belt 10.
Further, it has two to hinder from taking 13, and parallel and interval setting is between two electric current boards 12, hinders from taking 13 still to include: a measuring device 15, which is disposed on the first conveyor belt 10 and is spaced from the current plate 12 by a certain distance, and is used for measuring the time between the battery cell 16 and the battery cell 16; the lifting plate 131 is arranged between the end portions of the two separation belts 13 close to the first conveyor belt 10, the lifting plate 131 is lifted in a turnover mode, namely the lifting plate is fixed to the end portions of the separation belts 13 through a rotating shaft and driven to turn over through an air cylinder, the air cylinder is electrically connected with the measurer 15, when the measurer 15 measures that the distance between one battery cell 16 and the previous battery cell 16 or the next battery cell 16 is short, data are sent to the air cylinder, the air cylinder identifies and drives the lifting plate 131 to turn over and lift, so that the battery cell 16 is prevented and continues to move forward, the distance between the battery cell 16 and the previous battery cell 16 is prolonged, the situation that the previous battery cell 16 is not separated from the current plate 12 yet is avoided, and the next battery cell 16 enters the current plate 12 again, so that the measurement cannot be accurately performed is avoided.
Further, for preventing that lifter plate 131 is when the separation electric core, because of electric core 16 is still on the conveyer belt, the conveyer belt is carrying simultaneously, lead to electric core 16 to be driven by the conveyer belt and rotate, set up one on lifter plate 131 along the outside convex U-shaped recess 132 of lifter plate 131 width direction, this U-shaped recess 132 and electric core 16 phase-match, electric core 16 is in U-shaped recess 132 through the conveying belt conveying when lifter plate 131 rises, prevent that electric core 16 from rotating under the influence of conveyer belt.
Further, in order to accurately control the blocking time of the lifting plate 131, an inductor 133 is disposed in the U-shaped groove 132, the inductor 133 is simultaneously connected to the cylinder of the lifting plate 132, the lifting plate 132 is controlled by the measurer 15 to be lifted, and the inductor 133 is controlled to be lowered, where the sensing time is the difference between the electric core and the electric core measured by the measurer 15.
It should be noted that, taking the time required for the battery cell 16 to pass through the current plate 12 as 2 seconds as an example, when the determination criterion of the side gauge 15 is also 2 seconds, that is, the interval time between the first battery cell and the second battery cell is less than 2 seconds, for example, 1 second, under the speed of the first battery cell and the second battery cell based on the conveyor belt, the measuring apparatus 15 sends a signal to the lifting plate 131, the lifting plate 131 lifts to block the second battery cell, since the sensor 133 and the measuring apparatus 15 are both connected to the cylinder of the lifting plate 131, the sensor 133 can read the data measured by the measuring apparatus 15, the sensing time of the sensor 133 is also 1 second, and when the time is up, the cylinder is controlled to lower the lifting plate 131, and since the lifting plate 131 is turned over and lifted and the electrode of the battery cell 16 touches the current plate 12 when being lowered, and since the battery cell 16 is already in the current plate 12 after being lowered, the lifting rate of the lifting plate 131 is also equal to the conveying rate of the first, so as to keep the touch time of the battery cell 16 and the current plate 12 at 2 seconds.
In the embodiment of the present invention, a current detector 14 is disposed on one side of the current plate 12, and the current detector 14 is electrically connected to the current plate 12 and is used for detecting and displaying a current value of the current plate 12; the pole ear of the battery cell 16 touches the current plate 12 through the conveyor belt to form an electric connection, the current detector 14 displays the current value at this time, and judges whether the battery cell 16 is short-circuited according to the magnitude of the current value. Specifically, a plurality of good product battery cells are used for measurement, a maximum value is obtained, a plurality of short circuit battery cells are used for measurement, a minimum value is obtained, a good product set value can be properly increased, detailed explanation is omitted here, and the two values are programmed into the current detector 14 to serve as a judgment standard.
In the second embodiment, in order to prevent the single battery cell from being separated from the U-shaped groove 132 when the lifting plate 131 is lowered, a square groove is formed in one side, close to the first conveyor belt 10, of the U-shaped groove 132 when the lifting plate 131 is raised, a stopper is connected to the square groove through a shaft, the shaft is arranged at one end, close to the inside of the U-shaped groove 132, of the stopper, so that the weight of the end, close to the inside of the U-shaped groove 132, is lower than that of the end, far from the inside of the U-shaped groove 132, of the stopper, and thus the end, close to the inside of the U-shaped groove 132, is tilted and protruded out of the surface of the U-shaped groove 132, and the end, far from the U-shaped groove 132, of the stopper is sunk into the square groove, when the battery cell 16 enters the U-shaped groove 132 and passes through the stopper, under the gravity of the battery cell 16, the tilted; it should be noted that, in this embodiment, in order to facilitate the descending of the lifting plate 131, the battery cell can be smoothly separated from the U-shaped groove 132, and the size of the U-shaped groove 132 needs to be larger than the diameter of the battery cell 16 and the height of the raised stopper, so that the battery cell 16 can be smoothly separated from the U-shaped groove 132 when the lifting plate 131 descends.
Working principle, taking two electric cores as an example, the first conveyor belt 10 conveys two electric cores, the first electric core passes through the measurer 15 first, the measurer 15 starts to measure, when the second electric core passes through the measurer 15, the measurer 15 judges according to the time interval between the two electric cores, if the time interval is greater than the standard, the electric core is not processed, and records the distance between the second electric core and the subsequent electric core again, if the time interval is smaller than the standard, the measurer 15 sends a signal to control the lifting plate 131 to lift up, and the sensor 133 reads the data of the measurer 15, the electric core 16 enters the U-shaped groove 132, the sensor 133 records the time, the sensor 133 controls the lifting plate 132 to descend, the two poles of the electric core 16 touch the two current plates 12, the current detector 15 displays the current value, and judges whether the short circuit occurs according to the current value, if the current value is equal to or smaller than the standard value, the, when the current value is greater than the standard value, it is determined that the battery cell 16 is short-circuited, a signal is sent to the cylinder 113 of the baffle 112, and the cylinder 113 pushes the baffle 112 to intercept and guide the battery cell 16 to enter the crotch belt 111, and then the battery cell is conveyed out.
To sum up, the utility model provides an electricity core short circuit detection device 100, through the current board 12 that sets up the rectangle between the conveyer belt, when electric core 16 advanced current board 12, electric core 16's the two poles of the earth touched formation route with current board 12 respectively, and whether electric core 16 short circuit was judged to the current between rethread current detector 14 detection current board 12 and the electric core 16 through the size of current value, and wherein the length of current board 12 is decided by electric core 16 and current board 12's the time of touching. Therefore, the detection time of the battery cell 16 is prolonged, the detection accuracy is improved, and meanwhile, the conveying speed is not influenced.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (6)
1. Electric core short circuit detection device, its characterized in that includes: the first conveyor belt is used for conveying the battery cells; the second conveyor belt is arranged at a distance from the first conveyor belt; the two current plates are arranged between the intervals of the first conveyor belt and the second conveyor belt, and one ends of the two current plates in the same direction respectively correspond to the end parts of the two sides of the first conveyor belt; the separation belt is used for conveying the battery core and adjusting the distance between the battery core and the battery core, the separation belt is arranged between the two current plates, and the second conveyor belt is communicated with the first conveyor belt through the separation belt; the battery core is in electric connection with the current plate through the separation-resistant belt in a touching mode, and the length of the current plate is equal to that of the separation-resistant belt; the current detector is electrically connected with the current plate, is arranged on one side of the current plate and is used for displaying the current value of the current plate; the pole lug of the battery cell is in electric connection with the current plate through the conveyor belt in a touching mode, and the current detector displays the current value at the moment.
2. The cell short detection apparatus according to claim 1, wherein the second conveyor belt includes: the bifurcating belt is arranged in the direction, away from the current plate, of the second conveyor belt and is communicated with the second conveyor belt; a baffle plate; the baffle is arranged at the communication position of the bifurcated belt and the second conveying belt; the output end of the air cylinder is fixedly connected with the baffle, and the air cylinder is electrically connected with the current detector.
3. The cell short circuit detection device according to claim 1, wherein an insulating protective sleeve is disposed on an outer wall of the current plate.
4. The cell short circuit detection device according to claim 1, wherein two of the separation belts are arranged between the two current plates in parallel and at an interval; the separation preventing belt further comprises: the measurer is used for measuring the distance between the battery cell and the battery cell, and is arranged in the direction in which the first conveyor belt is far away from the current plate; the lifting plate is arranged between the separation resistant belts and close to one end of the first conveying belt, and the lifting plate is electrically connected with the measurer.
5. The cell short circuit detection device according to claim 4, wherein a protruding U-shaped groove is formed in a surface of the lifting plate, which is close to the first conveyor belt in the extended state, and the U-shaped groove is matched with the cell.
6. The cell short circuit detection device according to claim 5, wherein an inductor is disposed on the U-shaped groove, and the inductor is configured to induce a time when the cell touches the lifting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022408870.6U CN213633772U (en) | 2020-10-26 | 2020-10-26 | Electricity core short circuit detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022408870.6U CN213633772U (en) | 2020-10-26 | 2020-10-26 | Electricity core short circuit detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213633772U true CN213633772U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022408870.6U Active CN213633772U (en) | 2020-10-26 | 2020-10-26 | Electricity core short circuit detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213633772U (en) |
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2020
- 2020-10-26 CN CN202022408870.6U patent/CN213633772U/en active Active
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 523000 buildings C and D, No.18 zhongkeng Road, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Dongguan Langtaitong Technology Co.,Ltd. Address before: 523000 buildings C and D, No.18 zhongkeng Road, Sanzhong village, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN WOTAITONG NEW ENERGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |