CN211293179U - Voltage and internal resistance detection auxiliary tool for lithium ion battery - Google Patents

Voltage and internal resistance detection auxiliary tool for lithium ion battery Download PDF

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Publication number
CN211293179U
CN211293179U CN201922265374.7U CN201922265374U CN211293179U CN 211293179 U CN211293179 U CN 211293179U CN 201922265374 U CN201922265374 U CN 201922265374U CN 211293179 U CN211293179 U CN 211293179U
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China
Prior art keywords
clamping
internal resistance
voltage
pen
lithium ion
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CN201922265374.7U
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Inventor
杜纪磊
高立海
张金煌
刘晓龙
张鹏
张沙沙
杨玉宝
李新强
张宏光
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Shandong Juneng lithium battery technology Co., Ltd
Weifang Energy-accumulating Battery Co.,Ltd.
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Weifang Energy Accumulating Battery Co ltd
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Abstract

The utility model discloses a voltage, internal resistance detection auxiliary fixtures for lithium ion battery, its characterized in that: including main body frame, main body frame's front side is provided with a plurality of double-layered pen subassemblies that are used for the positive and negative table pen of centre gripping, presss from both sides a subassembly by clamping device movable mounting on main body frame, and clamping device is used for the position of fixed double-layered pen subassembly and the interval between the two adjacent double-layered pen subassemblies of activity regulation, the utility model discloses think about ingeniously, rational in infrastructure, simple to use is swift, is applicable to square metal shell lithium ion battery, and detects work efficiency height, can realize one-hand operation, reduces operating personnel's fatigue degree.

Description

Voltage and internal resistance detection auxiliary tool for lithium ion battery
Technical Field
The utility model relates to a voltage, internal resistance detect auxiliary fixtures, specific theory relates to a be used for auxiliary voltage internal resistance tester to test lithium ion battery's internal resistance, lithium ion battery's such as voltage electrical property, and overall structure is simple, convenient to use's voltage for lithium ion battery, internal resistance detect auxiliary fixtures, belong to new forms of energy lithium cell technical field.
Background
In recent years, with the increasing scarcity of petroleum resources, new energy industries are increasingly seen, and become national key research projects; as an important component of the new energy industry, the lithium ion battery industry is rapidly developing.
At present, square metal shell lithium ion batteries occupy a large share in the market, the lithium ion batteries can use a voltage internal resistance tester to measure the internal resistance and the voltage of the manufactured lithium ion batteries after capacity grading is finished, and the internal resistance and the voltage of the lithium ion batteries need to be measured at least twice and respectively comprise: measuring once after capacity grading, laying aside for a period of time, measuring again, measuring the voltage between the anode of the lithium ion battery and the shell, and calculating the voltage drop rate; the speed of the voltage drop rate directly reflects whether the performance characteristics of the battery are influenced by the adverse conditions such as micro short circuit and the like in the battery.
The existing lithium ion battery electrical property test is carried out manually by workers, and capacity separation procedure workers respectively hold a positive meter pen and a negative meter pen of a voltage internal resistance tester with two hands to be in contact with a positive pole and a negative pole of the battery, so as to measure the internal resistance of the battery and the voltage value of the battery; then holding the positive and negative meter pens of the voltage and internal resistance tester with two hands to contact with the positive pole of the battery and the shell of the battery respectively, and measuring the voltage of the positive pole column and the shell of the battery; when the electrical property of the lithium ion battery is tested in the way, the worker holds the positive and negative meter pens to continuously work, so that the fatigue of both hands is easily caused, and the working efficiency is greatly influenced; the working efficiency is low, and the production efficiency of the lithium ion battery is seriously restricted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a lithium ion battery voltage, internal resistance detection auxiliary fixtures that are used for auxiliary voltage internal resistance tester to test lithium ion battery's internal resistance, voltage etc. electrical property, and overall structure is simple, convenient to use.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a voltage, internal resistance detection auxiliary fixtures for lithium ion battery which characterized in that: the pen clamping assembly is movably mounted on the main body frame through a clamping device, and the clamping device is used for fixing the position of the pen clamping assembly and movably adjusting the distance between two adjacent pen clamping assemblies.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the pen clamping assembly comprises a meter pen clamping sleeve, a supporting plate is fixedly connected to the rear of the meter pen clamping sleeve, the supporting plate and the meter pen clamping sleeve are vertically arranged, and the whole structure of the supporting plate is in a T shape.
Further optimization: the whole structure of the meter pen clamping sleeve is in a semi-circular arc plate shape, and a clamping cavity for conveniently clamping a meter pen is formed inside the meter pen clamping sleeve.
Further optimization: the front sides of the meter pen clamping sleeves are respectively and integrally connected with extension plates which extend obliquely towards the opposite outer sides.
Further optimization: the clamping device comprises a clamping plate which is arranged above the main body frame in parallel, and a gap is separated between the clamping plate and the main body frame.
Further optimization: the clamping plate is provided with thread fastening pieces at intervals for adjusting the gap distance between the clamping plate and the main body frame, and the thread fastening pieces are fastening bolts.
Further optimization: the supporting plate of the pen clamping component is arranged at a position which is separated into a gap between the clamping plate and the main body frame, and the position of the pen clamping component is fixed through a fastening bolt.
Further optimization: and insulating paint is respectively sprayed on the outer surfaces of the main body frame, the meter pen clamping sleeve, the supporting plate, the extending plate and the clamping plate.
Further optimization: the rear part of the middle position of the main body frame is fixedly connected with a handheld part, and the handheld part and the main body frame are vertically arranged.
Further optimization: the surface of the hand-held part is provided with anti-slip lines or is provided with an anti-slip sleeve in a sleeved mode.
The above technical scheme is adopted in the utility model, when using, at first choose the pen-shape metre and press from both sides a subassembly number according to the battery model that awaits measuring, then will press from both sides a subassembly fixed mounting and adjust two intervals of pressing from both sides between the subassembly on main body frame, make it accord with positive pen-shape metre touching point S1, casing pen-shape metre touching point S2, negative pole pen-shape metre touching point S3' S position.
Then, two voltage internal resistance testers A, B are selected, and whether the two voltage internal resistance testers work normally is detected; the two voltage internal resistance testers A, B are respectively grouped, and the voltage internal resistance tester A is used for detecting the positive and negative voltages and the internal resistance of the battery; and the voltage internal resistance tester B is used for detecting the voltage between the positive pole of the battery and the shell.
Then, the positive stylus of the voltage and internal resistance tester A, B is fixedly clamped on the clamping plate of the corresponding pen clamping assembly after respectively corresponding to the positive stylus touch point S1 of the battery; fixedly clamping a negative electrode meter pen touch point S3 of a battery corresponding to the negative electrode meter pen of the voltage internal resistance tester A on a clamping plate of a corresponding pen clamping assembly; fixedly clamping a shell meter pen touch point S2 of a battery corresponding to a negative meter pen of the voltage and internal resistance tester B on a clamping plate of a corresponding pen clamping assembly; and the broken probe arms at the lowermost ends of the gauge pens are ensured to be positioned on the same horizontal plane.
Turning on a switch of the voltage internal resistance tester A, B; then the staff holds the hand-held part of the device, and the positive and negative meter pens on the device respectively contact the corresponding positions on the battery: the positive stylus probe of the voltage internal resistance tester A, B corresponds to the positive stylus touch point S1; a negative stylus probe of the voltage internal resistance tester A corresponds to a negative stylus touch point S3; and the negative stylus probe of the voltage internal resistance tester B corresponds to the shell stylus touch point S2.
After the corresponding position is accurate, the probes are pressed slightly hard to make close contact with the contact surfaces to be contacted respectively.
At the moment, the display screen on the voltage internal resistance tester A displays the numerical values of the positive and negative voltages of the battery and the internal resistance of the battery; and the display screen on the voltage internal resistance tester B displays the voltage between the positive pole of the battery and the shell.
The measurement data is then recorded.
It should be particularly pointed out that the auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery is not limited to three pen clamping components, and a plurality of pen clamping components can be completely fixed according to requirements.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, simple to use is swift, is applicable to square metal casing lithium ion battery, and detects work efficiency height, can realize one-hand operation, reduces operating personnel's fatigue degree.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a clamping device in embodiment 1 of the present invention;
fig. 3 is a schematic view of the overall structure of the main body frame in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a pen clamping assembly in embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a measurement position of a lithium ion battery in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a holding device in embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a pen clamping assembly in embodiment 2 of the present invention.
In the figure: 1-a body frame; 2-a handheld part; 3-a meter pen clamping sleeve; 4-a support plate; 5-an extension plate; 6-clamping a plate; 7-fastening the bolt; 8-a lithium ion battery; 81-battery positive post; 82-a battery case; 83-battery negative pole; 84-battery safety valve; 9-a clamping groove; 91-through groove; 92-connecting block.
Detailed Description
Example (b): referring to fig. 1-4, an auxiliary tool for detecting voltage and internal resistance of a lithium ion battery includes a main body frame 1, a plurality of pen clamping assemblies for clamping positive and negative meter pens are arranged on the front side of the main body frame 1, the pen clamping assemblies are movably mounted on the main body frame 1 by clamping devices, and the clamping devices are used for fixing the positions of the pen clamping assemblies and movably adjusting the distance between two adjacent pen clamping assemblies.
The rear part of the middle position of the main body frame 1 is fixedly connected with a handheld part 2, the handheld part 2 and the main body frame 1 are vertically arranged, and the whole structure of the handheld part is in a T shape.
The anti-skidding lines or the cover of laying on the surface of handheld portion 2 are equipped with anti-skidding cover, and the person of facilitating the use is handheld, increase frictional force, facilitate the use.
The pen clamping assembly comprises a meter pen clamping sleeve 3, a supporting plate 4 is fixedly connected to the rear of the meter pen clamping sleeve 3, the supporting plate 4 and the meter pen clamping sleeve 3 are vertically arranged, and the whole structure of the supporting plate is in a T shape.
The whole structure of the meter pen clamping sleeve 3 is in a semi-circular arc plate shape, and a clamping cavity for conveniently clamping a meter pen is formed inside the meter pen clamping sleeve 3.
The front side of the meter pen clamping sleeve 3 is respectively connected with an extension plate 5 which is obliquely extended towards the opposite outer side with the meter pen clamping sleeve 3.
The distance between the outermost sides of the two extension plates 5 is larger than the diameter of the meter pen to be clamped.
Design like this, two extension boards of accessible 5 are used for the direction, and the pen-shape metre of waiting the centre gripping is placed between two extension boards 5 to the convenient pen-shape metre, then extrudees the pen-shape metre, can make the pen-shape metre remove and then grasp the pen-shape metre of waiting the centre gripping in the centre gripping cavity of pen-shape metre centre gripping cover 3, whole convenient to use is swift.
The clamping device comprises a clamping plate 6 which is arranged above the main body frame 1 in parallel, a gap is separated between the clamping plate 6 and the main body frame 1, and the distance of the gap is adjusted and fixed by a thread fastening piece arranged between the clamping plate 6 and the main body frame 1.
The thread fastening pieces are arranged in a plurality of numbers, and the bolt fastening pieces are respectively arranged along the length direction of the main body frame 1 at intervals.
The thread fastening piece is a fastening bolt 7.
The supporting plate 4 of the pen clamping component is arranged at a position of a gap between the clamping plate 6 and the main body frame 1, and when the gap distance between the clamping plate 6 and the main body frame 1 is adjusted through the fastening bolt 7, the supporting plate 4 can be loosened or clamped, so that the position of the pen clamping component can be fixed or adjusted.
By the design, a gap can be separated between the clamping plate 6 and the main body frame 1 to be used for placing the supporting plate 4 of the pen clamping assembly, and when the gap distance between the clamping plate 6 and the main body frame 1 is adjusted through the fastening bolt 7, the position of the pen clamping assembly can be fixed or adjusted.
When the distance between the pen-type gauges clamping sleeves 3 of the two pen-clamping components needs to be adjusted, the fastening bolt 7 can be loosened to enlarge the gap distance between the clamping plate 6 and the main body frame 1, and further the supporting plate 4 can be loosened, and the distance between the pen-type gauges clamping sleeves 3 of the two pen-clamping components can be adjusted at will.
After the distance between the meter pen clamping sleeves 3 is adjusted, the fastening bolt 7 is screwed down to reduce the gap distance between the clamping plate 6 and the main body frame 1, so that the supporting plate 4 can be clamped, and the position of the meter pen clamping sleeves 3 can be fixed.
When the pen clamping component needs to be replaced or detached, the fastening bolt 7 can be loosened to enlarge the gap distance between the clamping plate 6 and the main body frame 1, and further the supporting plate 4 can be loosened, and at the moment, the pen clamping component can be detached for replacement.
In this embodiment, the number of the fastening bolts 7 is 3, and the three fastening bolts 7 are respectively disposed at two ends and a middle portion of the main body frame 1 and the clamping plate 6.
Insulating paint is respectively sprayed on the outer surfaces of the main body frame 1, the meter pen clamping sleeve 3, the supporting plate 4, the extending plate 5 and the clamping plate 6, and is used for preventing short circuit during detection.
By the design, the gap distance between the clamping plate 6 and the main body frame 1 can be adjusted by the fastening bolt 7 to realize fixing or adjusting the pen clamping assembly, so that the application range can be enlarged, and the auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery can be suitable for batteries of various types.
As shown in fig. 5: the lithium ion battery 8 to be tested is provided with a battery positive pole 81, a battery shell 82, a battery negative pole 83 and a battery safety valve 84, wherein the battery positive pole 81, the battery shell 82 and the battery negative pole 83 are respectively provided with a positive meter pen touch point S1, a shell meter pen touch point S2 and a negative meter pen touch point S3.
Example 2: as shown in fig. 6-7: in the above embodiment 1, the structure shown in fig. 6 to 7 may also be adopted for the clamping device and the pen clamping assembly, and the clamping device includes a clamping groove 9 located on the main body frame 1 and located on a side surface opposite to the handheld portion 2 for clamping the pen clamping assembly; the cross section of the clamping groove 9 is T-shaped, and two ends of the clamping groove 9 penetrate through two sides of the main body frame 1 respectively.
And the upper end surface and the lower end surface of the main body frame 1 are respectively provided with a through groove 91 which is mutually and vertically communicated with the clamping groove 9.
The overall structure of the pen clamping assembly in the above embodiment 1 may adopt the structure shown in fig. 7, the rear end of the support plate 4 of the pen clamping assembly is fixedly connected with the connecting block 92, the connecting block 92 is vertically arranged with the support plate 4, and the overall cross section of the support plate 4 and the connecting block 92 is matched with the cross section shape of the clamping groove 9.
By such a design, the pen clamping assembly can be connected to the main body frame 1 by integrally placing the support plate 4 and the connecting block 92 in the clamping groove 9, and the sliding direction of the support plate 4 and the connecting block 92 can be defined by the integral shape of the clamping groove 9.
The connecting block 92 is provided with a threaded through hole which penetrates through the upper end face and the lower end face of the connecting block 92.
A bolt fastening piece can be arranged in the through groove 91 in a penetrating manner, and one end of the bolt fastening piece can penetrate through the through groove 91 and the threaded through hole on the connecting block 92, so as to fix the position of the pen clamping component on the main body frame 1.
As shown in fig. 1-7: when the test pencil is used, firstly, the number of the test pencils and the number of the pen clamping assemblies are selected according to the type of a battery to be tested, then the pen clamping assemblies are fixedly arranged on the main body frame 1, and the distance between the two pen clamping assemblies is adjusted to enable the pen clamping assemblies to accord with the positions of an anode test pencil touch point S1, a shell test pencil touch point S2 and a cathode test pencil touch point S3;
then, two voltage internal resistance testers A, B are selected, and whether the two voltage internal resistance testers work normally is detected; the two voltage internal resistance testers A, B are respectively grouped, and the voltage internal resistance tester A is used for detecting the positive and negative voltages and the internal resistance of the battery; and the voltage internal resistance tester B is used for detecting the voltage between the positive pole of the battery and the shell.
Then, the positive stylus of the voltage and internal resistance tester A, B is respectively fixed and clamped on the clamping plate 6 of the corresponding pen clamping assembly after corresponding to the positive stylus touch point S1 of the battery; fixedly clamping a negative electrode meter pen touch point S3 of a battery corresponding to the negative electrode meter pen of the voltage internal resistance tester A on a clamping plate 6 of a corresponding pen clamping assembly; fixedly clamping a shell meter pen touch point S2 of a battery corresponding to a negative meter pen of the voltage and internal resistance tester B on a clamping plate 6 of a corresponding pen clamping assembly; and the broken probe arms at the lowermost ends of the gauge pens are ensured to be positioned on the same horizontal plane.
Turning on a switch of the voltage internal resistance tester A, B; then the staff holds the hand-held part 2 of the device, and the positive and negative meter pens on the device are respectively contacted with the corresponding positions on the battery: the positive stylus probe of the voltage internal resistance tester A, B corresponds to the positive stylus touch point S1; a negative stylus probe of the voltage internal resistance tester A corresponds to a negative stylus touch point S3; and the negative stylus probe of the voltage internal resistance tester B corresponds to the shell stylus touch point S2.
After the corresponding position is accurate, the probes are pressed slightly hard to make close contact with the contact surfaces to be contacted respectively.
At the moment, the display screen on the voltage internal resistance tester A displays the numerical values of the positive and negative voltages of the battery and the internal resistance of the battery; and the display screen on the voltage internal resistance tester B displays the voltage between the positive pole of the battery and the shell.
The measurement data is then recorded.
It should be particularly pointed out that the auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery is not limited to three pen clamping components, and a plurality of pen clamping components can be completely fixed according to requirements.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a voltage, internal resistance detection auxiliary fixtures for lithium ion battery which characterized in that: the pen clamping assembly comprises a main body frame (1), wherein a plurality of pen clamping assemblies used for clamping positive and negative surface pens are arranged on the front side of the main body frame (1), the pen clamping assemblies are movably arranged on the main body frame (1) through clamping devices, and the clamping devices are used for fixing the positions of the pen clamping assemblies and movably adjusting the distance between the two adjacent pen clamping assemblies.
2. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 1, is characterized in that: the pen clamping assembly comprises a meter pen clamping sleeve (3), a supporting plate (4) is fixedly connected to the rear of the meter pen clamping sleeve (3), the supporting plate (4) and the meter pen clamping sleeve (3) are vertically arranged, and the whole structure of the supporting plate is in a T shape.
3. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 2, is characterized in that: the whole structure of the meter pen clamping sleeve (3) is in a semi-circular arc plate shape, and a clamping cavity for conveniently clamping a meter pen is formed inside the meter pen clamping sleeve (3).
4. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 3, characterized in that: the front sides of the meter pen clamping sleeves (3) are respectively and integrally connected with extension plates (5) which respectively extend towards the opposite outer sides in an inclined mode.
5. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 4, is characterized in that: the clamping device comprises a clamping plate (6) which is arranged above the main body frame (1) in parallel, and a gap is separated between the clamping plate (6) and the main body frame (1).
6. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 5, is characterized in that: the clamping plate (6) is provided with thread fastening pieces at intervals for adjusting the gap distance between the clamping plate (6) and the main body frame (1), and the thread fastening pieces are fastening bolts (7).
7. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 6, is characterized in that: the supporting plate (4) of the pen clamping component is arranged at a position of a gap separated between the clamping plate (6) and the main body frame (1), and the position of the pen clamping component is fixed through a fastening bolt (7).
8. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 7, is characterized in that: insulating paint is respectively sprayed on the outer surfaces of the main body frame (1), the meter pen clamping sleeve (3), the supporting plate (4), the extending plate (5) and the clamping plate (6).
9. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 8, is characterized in that: the hand-held type.
10. The auxiliary tool for detecting the voltage and the internal resistance of the lithium ion battery according to claim 9, is characterized in that: the surface of the hand-held part (2) is provided with anti-skid lines or is provided with an anti-skid sleeve in a sleeved mode.
CN201922265374.7U 2019-12-17 2019-12-17 Voltage and internal resistance detection auxiliary tool for lithium ion battery Active CN211293179U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922265374.7U CN211293179U (en) 2019-12-17 2019-12-17 Voltage and internal resistance detection auxiliary tool for lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922265374.7U CN211293179U (en) 2019-12-17 2019-12-17 Voltage and internal resistance detection auxiliary tool for lithium ion battery

Publications (1)

Publication Number Publication Date
CN211293179U true CN211293179U (en) 2020-08-18

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ID=72018865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922265374.7U Active CN211293179U (en) 2019-12-17 2019-12-17 Voltage and internal resistance detection auxiliary tool for lithium ion battery

Country Status (1)

Country Link
CN (1) CN211293179U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201015

Address after: 261000 No.2 workshop, No.9, hatching 1st lane, Yuqing community, Xincheng street, high tech Zone, Weifang City, Shandong Province

Patentee after: Shandong Juneng lithium battery technology Co., Ltd

Patentee after: Weifang Energy-accumulating Battery Co.,Ltd.

Address before: 261000 Bohai Road, Yangzi Street, Binhai District, Weifang City, Shandong Province, and the intersection of Dongerjie, Xiangjiang

Patentee before: Weifang Energy-accumulating Battery Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: An auxiliary tooling for voltage and internal resistance detection for lithium ion battery

Effective date of registration: 20220323

Granted publication date: 20200818

Pledgee: Weifang Bank Co.,Ltd. Xincheng sub branch

Pledgor: Weifang Energy-accumulating Battery Co.,Ltd.

Registration number: Y2022980002981