CN211955758U - Clamp for detecting voltage internal resistance of battery - Google Patents

Clamp for detecting voltage internal resistance of battery Download PDF

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Publication number
CN211955758U
CN211955758U CN201922295781.2U CN201922295781U CN211955758U CN 211955758 U CN211955758 U CN 211955758U CN 201922295781 U CN201922295781 U CN 201922295781U CN 211955758 U CN211955758 U CN 211955758U
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China
Prior art keywords
detection block
internal resistance
piece
block
voltage
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CN201922295781.2U
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Chinese (zh)
Inventor
林黛青
张峻豪
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Guangzhou Rongcheng Lithium Battery Co ltd
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Guangzhou Rongcheng Lithium Battery Co ltd
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Abstract

The utility model provides an anchor clamps for detecting battery voltage internal resistance, a serial communication port, include base, support, cylinder, connecting block, detect piece and collets, the support with the collets is fixed on the base, the cylinder with the leg joint is fixed, the cylinder is provided with the telescopic link, it includes detects the piece and detects the piece down to detect the piece including last, on detect the piece and detect the piece relative setting down, the cylinder the connecting block with on detect the piece from last to connecting gradually down, on detect the piece and be in do down and push down or lifting motion under the drive of cylinder, it fixes to detect the piece down on the base. The utility model provides an anchor clamps for detecting battery voltage internal resistance through the control cylinder to the pushing down and the lifting of detecting the piece, has unified the operation method that detects, effectively improves production efficiency and reduces the human labor cost, equipment structure is simple moreover, convenient operation, and degree of automation is high.

Description

Clamp for detecting voltage internal resistance of battery
Technical Field
The utility model belongs to the technical field of the lithium ion battery technique and specifically relates to a anchor clamps for detecting battery voltage internal resistance is related to.
Background
The voltage and the internal resistance are important parameters of the lithium ion battery, and the voltage and the internal resistance of the lithium ion battery are required to be detected completely before the battery is delivered, but the traditional detection method detects the battery by manually holding a detection meter pen, so that the method is inconvenient to operate and low in efficiency, and poor contact is easily caused in the test process due to different operation methods of different people, and misjudgment is caused.
Therefore, it is necessary to provide a jig for detecting the internal resistance of the battery voltage, which is convenient to operate and has a high degree of automation.
SUMMERY OF THE UTILITY MODEL
Therefore, the clamp for detecting the internal resistance of the battery voltage is convenient to operate and high in automation degree.
An embodiment of the utility model provides an anchor clamps for detecting battery voltage internal resistance, a serial communication port, include base, support, cylinder, connecting block, detect piece and collets, the support with the collets is fixed on the base, the cylinder with the leg joint is fixed, the cylinder is provided with the telescopic link, it includes detects the piece and detects the piece down to detect the piece including last, on detect the piece and detect the piece relative setting down, the cylinder the connecting block with on detect the piece from last to connecting gradually down, on detect the piece and be in do down and press or lifting motion under the drive of cylinder, it fixes to detect the piece down on the base.
Preferably, the upper detection block comprises an A detection block and a B detection block, the A detection block and the B detection block are respectively connected and fixed with the connecting block, a gap is reserved between the A detection block and the B detection block, the lower detection block comprises an A 'detection block and a B' detection block, the A 'detection block and the B' detection block are fixed on the base, the A 'detection block is arranged corresponding to the A detection block, the B' detection block is arranged corresponding to the B detection block,
preferably, the support includes backup pad and diaphragm, the backup pad is fixed on the base, the diaphragm sets up the upper portion of backup pad, the cylinder is fixed on the diaphragm.
Preferably, the telescopic rod comprises a threaded portion and a non-threaded portion, the threaded portion is arranged at the tail end of the telescopic rod, and the diameter of the threaded portion is smaller than that of the non-threaded portion.
Preferably, the connecting block is provided with a through hole corresponding to the telescopic rod, the diameter of the through hole is larger than that of the threaded portion and smaller than that of the non-threaded portion, and the telescopic rod penetrates through the through hole and is fixed with the connecting block.
Preferably, a connecting hole and a fixing screw are arranged on the connecting block, the diameter of one side, close to the cylinder, of the connecting hole is larger than the diameter of one side, close to the upper detection block, of the connecting hole, a shaft sleeve is arranged in the connecting hole, and the fixing screw penetrates through the shaft sleeve to be connected and fixed with the upper detection block.
Preferably, a spring is sleeved in the fixing screw and is positioned between the connecting block and the upper detection block.
Preferably, the insulation block includes a fixing portion fixed on the base and an insulation portion protruding from the fixing portion, and the insulation portion is placed in a gap between the a and B detection blocks and a gap between the a 'and B' detection blocks.
Preferably, the detection block A is provided with a connecting screw at one side far away from the detection block B, the detection block B is provided with a connecting screw at one side far away from the detection block A, the detection block A 'and the detection block B' are provided with a connecting screw at positions corresponding to the detection block A and the detection block B, and the connecting screw is externally connected with a voltage and internal resistance testing instrument.
Preferably, the a detection block and the a ' detection block are connected to a same polarity test line of the voltage internal resistance test instrument, and the B detection block and the B ' detection block are connected to the same polarity test line of the voltage internal resistance test instrument and have opposite polarities to the test lines connected to the a detection block and the a ' detection block.
The utility model provides an anchor clamps for detecting battery voltage internal resistance through the control cylinder to the pushing down and the lifting of detecting the piece, has unified the operation method that detects, effectively improves production efficiency and reduces the human labor cost, equipment structure is simple moreover, convenient operation, and degree of automation is high.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a perspective view of a clamp for detecting internal resistance of battery voltage according to an embodiment of the present invention.
Fig. 2 is a front view of a clamp for detecting internal resistance of battery voltage according to an embodiment of the present invention.
Fig. 3 is an exploded view of a connection block of a clamp for detecting internal resistance of battery voltage according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an insulating block of the clamp for detecting the internal resistance of the battery voltage according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a cylinder of the clamp for detecting the internal resistance of the battery voltage according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of a control module of the clamp for detecting the internal resistance of the battery voltage according to the preferred embodiment of the present invention.
Detailed Description
To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the utility model provides a clamp 100 for detecting battery voltage internal resistance, including base 1, support 2, cylinder 3, connecting block 4, detection piece and insulating block 7, base 1 bottom four corners is provided with the silica gel pad, can strengthen the friction of clamp 100 and ground or the operation panel of placing clamp 100, prevents that clamp 100 from sliding, and the silica gel pad can reduce the impact to ground or operation panel when clamp 100 is worked simultaneously, effective bradyseism; the support 2 and the insulating block 7 are fixed on the base 1 through screws, the support 2 is provided with two vertical support plates 201 and a transverse plate 202 which is transversely arranged on the two support plates 201, the support plates 201 and the transverse plate 202 can both use metal plates such as aluminum plates, the transverse plate 202 is fixed on the upper half parts of the two support plates 201, the air cylinder 3 is fixed on the transverse plate 202 through screws, the air cylinder 3 is provided with a telescopic rod 303, the telescopic rod 303 passes through the connecting block 4 and is connected and fixed with the connecting block 4, the detection block comprises an upper detection block 5 and a lower detection block 6, the detection block is made of metal with good conductivity and small resistance such as copper, the influence of the resistance of the clamp 100 on the detection result can be reduced when the internal resistance of the battery is detected, the detection accuracy is improved, the upper detection block 5 and the lower detection block 6 are oppositely arranged, the air cylinder 3, the connecting block 4 and, detect piece 6 down and pass through the screw fixation on base 1, cylinder 3 lets in high-pressure gas through the air inlet at the difference and enables telescopic link 303 and do the motion of contracting or stretching out to drive to connect and detect piece 5 on connecting block 4 and do and push down or lifting motion, go up when doing and detect piece 5 and can press down and detect on piece 6.
In a preferred embodiment, the upper detection block 5 comprises an A detection block 501 and a B detection block 502, the A detection block 501 and the B detection block 502 are respectively fixed with the connection block 4 through screws, a gap is left between the A detection block 501 and the B detection block 502 when the connection is fixed, the lower detection block 6 comprises an A ' detection block 601 and a B ' detection block 602, the A ' detection block 601 and the B ' detection block 602 are fixed on the base 1 through screws, the A ' detection block 601 is arranged corresponding to the A detection block 501, the B ' detection block 602 is arranged corresponding to the B detection block 502, namely, a gap is also left between the A ' detection block 601 and the B ' detection block 602 and is equidistant between the A detection block 501 and the B detection block 502, meanwhile, the A detection block 501 and the A ' detection block 601 are positioned on the same side, the B detection block 502 and the B ' detection block 602 are positioned on the same side, as a front view of the fixture shown in FIG. 2, the A detection block 501 and the A ' detection block 601 are positioned on the right side, the B detection block 502 and the B' detection block 602 are located on the left side.
In a preferred embodiment, the telescopic rod 303 of the air cylinder 3 comprises a threaded portion 305 and a non-threaded portion 304, the threaded portion 305 is arranged at the tail end of the telescopic rod 303, the diameter of the threaded portion 305 is smaller than that of the non-threaded portion 304, the connecting block 4 is provided with a through hole 405 corresponding to the telescopic rod 303, the diameter of the through hole 405 is larger than that of the threaded portion 305 and smaller than that of the non-threaded portion 304, the threaded portion 305 of the telescopic rod 303 penetrates through the through hole 405 and then is connected with a nut, the telescopic rod 303 and the connecting portion can be fixed through cooperation of the nut and the non-threaded portion 304, and the.
In a further preferred embodiment, the connecting block 4 is provided with a connecting hole 403 and a fixing screw 401, the diameter of the connecting hole 403 on the side close to the cylinder 3 is larger than that on the side close to the upper detection block 5, a bushing 402 is arranged in the connecting hole 403, the bushing 402 is placed on the side with the larger diameter in the connecting hole 403, one end of the fixing screw 401 is provided with a nut 406, the diameter of the nut 406 is larger than that of the connecting hole 403, therefore, when the fixing screw 401 passes through the bushing 402 and the connecting hole 403, one side of the nut 406 of the fixing screw 401 can be clamped on the connecting hole 403 to prevent the fixing screw 401 from falling from the connecting hole 403, meanwhile, the fixing screw 401 can be provided with a tail thread, the rest part is provided with a smooth surface to effectively reduce friction with the bushing 402, the fixing screw 401 passes through the connecting block 4 and is connected and fixed with the upper detection, the set screw 401 may be screwed in directly.
In a further preferred embodiment, a spring 404 is sleeved in the fixing screw 401, and the position of the spring 404 is located between the connecting block 4 and the upper detection block 5, so that when the upper detection block 5 is pressed down to the lower detection block 6, the reaction force of the upper detection block 5 on the connecting block 4 can be effectively buffered.
In a preferred embodiment, the insulating block 7 comprises a fixing part 701 and an insulating part 702 protruding from the fixing part 701, the fixing part 701 and the insulating part 702 can be integrally formed or can be connected, the fixing part 701 is vertically fixed on the base 1 through screws, the insulating part 702 is perpendicular to the fixing part 701, the insulating part 702 is placed in a gap between the a detection block 501 and the B detection block 502 and a gap between the a 'detection block 601 and the B' detection block 602, namely, the thickness of the insulating part 702 is equal to the distance between the gaps between the a detection block 501 and the B detection block 502, and the height of the insulating part 702 is equal to the sum of the heights of the upper detection block 5 and the lower detection block 6, and the insulating part can be used for insulating between the a detection block 501 and the a 'detection block 601 and between the B detection block 502 and the B' detection block 602 and preventing voltage internal resistance short circuit of the battery.
In a preferred embodiment, the a detection block 501 is provided with a connection screw 503 on a side far from the B detection block 502, the B detection block 502 is provided with a connection screw 503 on a side far from the a detection block 501, the a 'detection block 601 and the B' detection block 602 are provided with a connection screw 503 on a position corresponding to the a detection block 501 and the B detection block 502, that is, the connection screw 503 is provided on the right side of the a detection block 501 and the a 'detection block 601, the connection screw 503 is provided on the left side of the B detection block 502 and the B' detection block 602, and the connection screw 503 is externally connected with a test wire of the voltage internal resistance test instrument 200 and is used for electrically connecting the upper detection block 5, the lower detection block 6 and the battery to be tested into the voltage internal resistance test instrument 200.
In a further preferred embodiment, the a detection block 501 and the a ' detection block 601 are connected to a same polarity test line of the voltage internal resistance test instrument 200 (not specifically identified in the figure), the B detection block 502 and the B ' detection block 602 are connected to the same polarity test line of the voltage internal resistance test instrument 200 and have opposite polarities to the test line connected to the a detection block 501 and the a ' detection block 601, that is, when the a detection block 501 is connected to the positive test line of the voltage internal resistance test instrument 200, the a ' detection block 601 is also connected to the positive test line of the voltage internal resistance test instrument 200, and the B detection block 502 and the B ' detection block 602 are connected to the negative test line of the voltage internal resistance test instrument 200; on the contrary, when the a detection block 501 is connected to the negative test wire of the internal resistance voltage test instrument 200, the a 'detection block 601 is also connected to the negative test wire of the internal resistance voltage test instrument 200, and the B detection block 502 and the B' detection block 602 are connected to the positive test wire of the internal resistance voltage test instrument 200, so that the battery to be detected is not short-circuited, and the reading of the battery voltage in the internal resistance voltage test instrument 200 can be read.
When the operation fixture 100 is used for testing the voltage and the internal resistance of the battery, the positive electrode tab of the battery to be tested is placed on the A 'detection block 601, the negative electrode tab is placed on the B' detection block 602, the middle of the positive electrode tab and the negative electrode tab is separated by the insulating part 702, the cylinder 3 is controlled to be pressed downwards at the moment, the telescopic rod 303 drives the connecting block 4 and the upper detection block 5 to be pressed downwards, the upper detection block 5 is in close contact with the lower detection block 6, the positive electrode tab and the negative electrode tab of the battery to be tested are pressed, and voltage and internal resistance data can be read from a voltage. When the detection block A501 and the detection block A '601 are connected with the positive test wire of the voltage internal resistance test instrument 200, and the detection block B502 and the detection block B' 602 are connected with the negative test wire of the voltage internal resistance test instrument 200, the voltage reading is positive; when the detection blocks 501 and 601 are connected with the negative test wire of the voltage internal resistance test instrument 200, and the detection blocks 502 and 602 are connected with the positive test wire of the voltage internal resistance test instrument 200, the voltage reading is negative. After the voltage and the internal resistance are read, the cylinder 3 is controlled to lift, the upper detection block 5 is lifted, and the battery to be detected is taken out.
In other preferred implementations, the cylinder 3 is controlled by the control module to be pressed down or lifted up, the control module includes a power supply 500, a solenoid valve 300, a foot switch 400, an air tube and a conducting wire, the power supply 500 is a 220V ac power supply 500, a live wire N of the power supply 500 is connected to a common terminal (referred to as a COM terminal for short) of the foot switch 400, a normally open contact (referred to as an NO terminal for short) of the foot switch 400 is connected to a conducting wire at one end of the solenoid valve 300, another conducting wire of the solenoid valve 300 is connected to a null line L of the power supply 500, the solenoid valve 300 includes an air inlet port, a first air outlet port and a second air outlet port (not specifically identified in the figure), high-pressure air enters the solenoid valve 300 from the air inlet port, the first air outlet port is connected to an upper. During operation, the control module, the clamp 100 and the voltage and internal resistance testing instrument 200 are electrified, the foot switch 400 is not stepped on at this time, the control module is in a normally closed state, the first air outlet port of the electromagnetic valve 300 is closed, the second air outlet port is opened, high-pressure gas enters from the air inlet port of the electromagnetic valve 300 and enters the lower air inlet 302 of the air cylinder 3 through the second air outlet port, the telescopic rod 303 of the air cylinder 3 is in a retraction state, the upper detection block 5 and the lower detection block 6 are not in contact, and at this time, the positive electrode tab and the negative electrode tab of the battery to be detected are respectively placed on the A 'detection block 601 and the B' detection block 602 of the; the foot switch 400 is stepped on, the control module is in a normally open state, the first air outlet port of the electromagnetic valve 300 is opened, the second air outlet port is closed, high-pressure gas enters from the air inlet port of the electromagnetic valve 300 and enters the upper air inlet 301 of the air cylinder 3 through the first air outlet port, the telescopic rod 303 of the air cylinder 3 is in an extending state, the upper detection block 5 is pressed down onto the lower detection block 6 and is in close contact with the lower detection block 6, and at the moment, the voltage and the internal resistance of the battery can be read by the voltage and internal resistance testing instrument 200; when the foot switch 400 is loosened, the telescopic rod 303 of the air cylinder 3 retracts, the battery can be taken out, and the voltage and the internal resistance data of the battery can be rapidly measured by repeating the operations.
The utility model provides an anchor clamps for detecting battery voltage internal resistance have unified operation method through the pushing down and the lifting of control cylinder to detecting the piece, effectively improve production efficiency and reduce the human labor cost, equipment structure is simple moreover, convenient operation, and degree of automation is high.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides an anchor clamps for detecting battery voltage internal resistance, a serial communication port, include base, support, cylinder, connecting block, detect piece and collets, the support with the collets is fixed on the base, the cylinder with leg joint is fixed, the cylinder is provided with the telescopic link, it includes detects the piece and detects the piece down to detect the piece, on detect the piece and detect the relative setting of piece down, the cylinder the connecting block with on detect the piece from last to connecting gradually down, on detect the piece and be in do down and push down or lifting motion under the drive of cylinder, it fixes to detect the piece down on the base.
2. The fixture for detecting voltage and internal resistance of a battery according to claim 1, wherein the upper detection block comprises an a detection block and a B detection block, the a detection block and the B detection block are respectively connected and fixed with the connecting block, a gap is left between the a detection block and the B detection block, the lower detection block comprises an a 'detection block and a B' detection block, the a 'detection block and the B' detection block are fixed on the base, the a 'detection block is arranged corresponding to the a detection block, and the B' detection block is arranged corresponding to the B detection block.
3. The clamp for detecting the voltage and the internal resistance of a battery according to claim 1, wherein the bracket comprises a supporting plate and a transverse plate, the supporting plate is fixed on the base, the transverse plate is arranged at the upper part of the supporting plate, and the air cylinder is fixed on the transverse plate.
4. The clamp for detecting the internal resistance of a battery voltage according to claim 1, wherein the telescopic rod includes a threaded portion and a non-threaded portion, the threaded portion is provided at an end of the telescopic rod, and a diameter of the threaded portion is smaller than a diameter of the non-threaded portion.
5. The clamp for detecting voltage and internal resistance of a battery according to claim 4, wherein the connecting block is provided with a through hole corresponding to the telescopic rod, the diameter of the through hole is larger than that of the threaded portion and smaller than that of the non-threaded portion, and the telescopic rod passes through the through hole and is fixed with the connecting block.
6. The clamp for detecting voltage and internal resistance of a battery as claimed in claim 1, wherein the connecting block is provided with a connecting hole and a fixing screw, the diameter of the connecting hole near the cylinder is larger than that near the upper detection block, a shaft sleeve is arranged in the connecting hole, and the fixing screw passes through the shaft sleeve to be fixedly connected with the upper detection block.
7. The clamp for detecting voltage and internal resistance of battery as claimed in claim 6, wherein said set screw has a spring therein, said spring is located between said connecting block and said upper detecting block.
8. The jig for detecting internal resistance to voltage of a battery according to claim 2, wherein the insulating block includes a fixing portion fixed to the base and an insulating portion protruding from the fixing portion, the insulating portion being placed in a gap between the a and B detection blocks and a gap between the a 'and B' detection blocks.
9. The jig for detecting voltage and internal resistance of a battery according to claim 2, wherein the a detection block is provided with a connection screw at a side away from the B detection block, the B detection block is provided with a connection screw at a side away from the a detection block, the a 'detection block and the B' detection block are provided with connection screws at positions corresponding to the a detection block and the B detection block, and the connection screws are externally connected with a voltage and internal resistance test instrument.
10. The jig for detecting the voltage internal resistance of a battery according to claim 9, wherein the a detection block and the a ' detection block are connected to the same polarity test line of the voltage internal resistance test instrument, and the B detection block and the B ' detection block are connected to the same polarity test line of the voltage internal resistance test instrument and have opposite polarities to the test lines connected to the a detection block and the a ' detection block.
CN201922295781.2U 2019-12-19 2019-12-19 Clamp for detecting voltage internal resistance of battery Active CN211955758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922295781.2U CN211955758U (en) 2019-12-19 2019-12-19 Clamp for detecting voltage internal resistance of battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922295781.2U CN211955758U (en) 2019-12-19 2019-12-19 Clamp for detecting voltage internal resistance of battery

Publications (1)

Publication Number Publication Date
CN211955758U true CN211955758U (en) 2020-11-17

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CN201922295781.2U Active CN211955758U (en) 2019-12-19 2019-12-19 Clamp for detecting voltage internal resistance of battery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115951243A (en) * 2022-12-23 2023-04-11 广州市虎头电池集团股份有限公司 Alkaline battery batch testing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115951243A (en) * 2022-12-23 2023-04-11 广州市虎头电池集团股份有限公司 Alkaline battery batch testing device
CN115951243B (en) * 2022-12-23 2023-08-22 广州市虎头电池集团股份有限公司 Alkaline battery batch testing device

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