CN114114032A - Four-wire system test fixture for high-power lithium battery - Google Patents
Four-wire system test fixture for high-power lithium battery Download PDFInfo
- Publication number
- CN114114032A CN114114032A CN202111345342.3A CN202111345342A CN114114032A CN 114114032 A CN114114032 A CN 114114032A CN 202111345342 A CN202111345342 A CN 202111345342A CN 114114032 A CN114114032 A CN 114114032A
- Authority
- CN
- China
- Prior art keywords
- leading
- positive
- out end
- negative
- fixed base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
本发明公开了一种高功率锂电池用四线制测试工装，属于锂电池测试技术领域，包括固定底座、负极引出端、正极引出端和压紧组件；固定底座设有放置电池的凹槽；负极引出端包括基板B、与基板B连接的侧板B；基板B上开设有连接负极测试电缆的通孔，侧板B上开设有连接固定底座的连接孔；正极引出端包括长条形的基板A、与基板A垂直连接的侧板A；基板A上开设有连接正极测试电缆的通孔，侧板A上开设有连接固定底座的连接孔；固定底座上开设有螺纹孔；压紧组件包括与螺纹孔配合的螺栓，螺栓的螺杆端部为绝缘材料制成；分别与负极引出端、正极引出端贴合的两个采样组件。本发明通过合理的结构设计，降低接触电阻和大电流放电过程中的接触点温升。
The invention discloses a four-wire test tool for a high-power lithium battery, belonging to the technical field of lithium battery testing, comprising a fixed base, a negative electrode lead-out end, a positive electrode lead-out end and a pressing component; the fixed base is provided with a groove for placing the battery; The negative lead terminal includes a substrate B and a side plate B connected to the substrate B; the substrate B is provided with a through hole for connecting the negative test cable, and the side plate B is provided with a connection hole for connecting the fixed base; the positive lead end includes a long strip. Substrate A, side plate A vertically connected to the substrate A; the substrate A is provided with a through hole for connecting the positive test cable, the side plate A is provided with a connection hole for connecting the fixed base; the fixed base is provided with a threaded hole; the compression assembly It includes bolts matched with threaded holes, and the screw ends of the bolts are made of insulating materials; The present invention reduces the contact resistance and the temperature rise of the contact point in the process of high current discharge through reasonable structural design.
Description
Technical Field
The invention belongs to the technical field of lithium battery testing, and particularly relates to a four-wire system testing tool for a high-power lithium battery.
Background
With the development requirements of the fields of power batteries for new energy automobiles and high-power military batteries, the high-power batteries are high in use amount and increasingly high in discharge current in performance. Before grouping, screening and matching are carried out on each battery through heavy current discharge so as to ensure that the overall performance of the battery pack is optimal. The external connection grouping mode of the high-power battery mainly comprises two modes, wherein one mode is that the output ends of the positive electrode and the negative electrode of the battery are provided with internal thread holes, and the external connection is realized in a screw connection mode; and the other is that the output ends of the anode and the cathode of the battery are plane non-threaded holes, and the external connection is realized by welding. In consideration of specific energy performance indexes of the battery pack and improvement of efficiency in the battery pack grouping manufacturing process, the anode and cathode output ends of the high-power single battery are mainly in a plane thread-free hole mode at present.
The invention discloses a direct mechanical contact type test tool without welding, which is composed of a mounting seat, a pressure applying mechanism, a positive contact electrode and a negative contact electrode. The defect of welding mode test is solved to a certain extent, but the following problems exist: 1) the existing design adopts a torsion spring to jack tightly, so that the problems of insufficient pressure and large contact resistance exist, the high-power battery has large overcurrent, the requirement on the contact resistance is as small as possible, otherwise, the temperature rise of a contact point is high, the performance of the battery is damaged in the testing process, and the service life of the battery is shortened; 2) the existing design does not adopt a four-wire system, the discharge current of a high-power battery is large, and the error between the voltage directly acquired by a positive contact electrode and a negative contact electrode of a test tool and the actual voltage of the battery is large. 3) The existing design has the disadvantages of complex structure, high processing cost, large volume and complex operation.
Disclosure of Invention
The invention provides a four-wire system test tool for a high-power lithium battery, which reduces contact resistance and temperature rise of a contact point in a large-current discharging process through reasonable structural design.
The invention aims to provide a four-wire system test tool for a high-power lithium battery, which comprises:
a fixed base (1); a groove for placing a battery is formed in the upper surface of the fixed base (1); the width of the groove is larger than that of the battery;
a negative electrode lead-out terminal (2); the negative leading-out end (2) comprises a strip-shaped substrate B and a side plate B connected with the substrate B; a through hole for connecting a negative electrode test cable is formed in the substrate B, and a connecting hole for connecting the fixed base (1) is formed in the side plate B;
a positive electrode lead-out terminal (3); the positive leading-out end (3) comprises a strip-shaped substrate A and a side plate A connected with the substrate A; a through hole (31) for connecting a positive test cable is formed in the substrate A, and a connecting hole (32) for connecting the fixed base (1) is formed in the side plate A;
a compressing component (4) for realizing the joint of the negative leading-out end (2) and the battery negative pole, the positive leading-out end (3) and the battery positive pole;
and the two sampling assemblies (5) are respectively attached to the negative electrode leading-out end (2) and the positive electrode leading-out end (3).
Preferably, the pressing component (4) is one or two of a bolt, an elbow clamp, a pneumatic component, an electric component and a hydraulic component.
Preferably, the pressing assembly (4) is: two sets of independent devices for respectively applying force to press the positive leading-out end (3) and the negative leading-out end (2), or an integrated device for simultaneously applying force to press the positive leading-out end (3) and the negative leading-out end (2).
Preferably, the negative electrode leading-out end (2) and the compressing component (4) are in self-adaptive connection, and the positive electrode leading-out end (3) and the compressing component (4) are in self-adaptive connection.
Preferably, the adaptive connection is:
the connection surface of the positive electrode leading-out end (3) and the negative electrode leading-out end (2) is provided with a spherical cavity, and the connection surface of the pressing component (4) is provided with a ball head surface;
or the connecting surface of the positive leading-out end (3) and the negative leading-out end (2) is provided with a ball head surface, and the connecting surface of the pressing component (4) is provided with a spherical cavity;
or transfer connecting components are arranged between the negative electrode leading-out end (2) and the pressing component (4) and between the positive electrode leading-out end (3) and the pressing component (4).
Preferably, the sampling assembly (5) is mounted on the positive electrode leading-out end (3), the negative electrode leading-out end (2) or the fixed base (1).
Preferably, the positive electrode lead-out terminal (3) and the negative electrode lead-out terminal (2) are made of red copper nickel plating.
Preferably, the connection hole is an oblong hole.
Preferably, the insulating material is polytetrafluoroethylene.
Preferably, the fixed base (1) is made of an insulating material.
Preferably, the sampling assembly (5) comprises: the thimble (51), the insulating cap (52), the spring (53) and the insulating sleeve (54).
The invention has the advantages and positive effects that:
1. according to the invention, the positive and negative leading-out ends of the test tool are in close contact with the positive and negative end surfaces of the battery to be tested in a bolt jacking mode, so that the contact resistance is better reduced, and the temperature rise of the contact point in the heavy current discharging process is further reduced.
2. The test tool provided by the invention adopts a four-wire system, so that the voltage can be accurately measured in the heavy current test process.
3. The invention has the advantages of low cost, simple and easy design and manufacture, light volume and simple and convenient operation.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the present invention;
FIG. 2 is a top view of a preferred embodiment of the present invention;
fig. 3 is a right side view of a prismatic battery in accordance with a preferred embodiment of the present invention;
fig. 4 is a front view of a prismatic battery in a preferred embodiment of the present invention;
FIG. 5 is a top view of a stationary base in a preferred embodiment of the present invention;
FIG. 6 is a front view of a stationary base in a preferred embodiment of the present invention;
FIG. 7 is a right side view of the stationary base in the preferred embodiment of the present invention;
FIG. 8 is a first front view of the positive terminal in the preferred embodiment of the present invention;
FIG. 9 is a second front view of the positive terminal in accordance with the preferred embodiment of the present invention;
FIG. 10 is a top view of the positive terminal in the preferred embodiment of the invention;
FIG. 11 is a right side view of the positive terminal in the preferred embodiment of the invention;
FIG. 12 is a front view of the ball head connection structure of the positive terminal and the hold-down assembly in accordance with the preferred embodiment of the present invention;
FIG. 13 is a top view of the positive terminal and ball head connection structure of the hold-down assembly in accordance with the preferred embodiment of the present invention;
fig. 14 is a schematic diagram of a sampling assembly in accordance with a preferred embodiment of the present invention.
Wherein: 1. a fixed base; 2. a negative lead-out terminal; 3. a positive electrode leading-out terminal; 4. a compression assembly; 5. a sampling component; 6. a prismatic battery.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 14, the technical solution of the present invention is:
the utility model provides a high power is four-wire system test fixture for lithium cell, includes:
a fixed base 1; a groove for placing a battery is formed in the upper surface of the fixed base 1; the width of the groove is larger than that of the battery; in the present preferred embodiment, the battery is a square battery 6;
a negative lead-out terminal 2; the negative leading-out end 2 comprises a strip-shaped substrate B and a side plate B connected with the substrate B; a through hole for connecting a negative electrode test cable is formed in the substrate B, and a connecting hole for connecting the fixed base 1 is formed in the side plate B;
a positive electrode leading-out terminal 3; the positive leading-out end 3 comprises a strip-shaped substrate A and a side plate A connected with the substrate A; the base plate A is provided with a through hole 31 for connecting a positive test cable, and the side plate A is provided with a connecting hole 32 for connecting the fixed base 1;
the compressing component 4 is used for realizing the joint of the negative leading-out end 2 and the battery negative pole, the positive leading-out end 3 and the battery positive pole; the compression assembly 4 has a plurality of realization forms and is mainly divided into a bolt, an elbow clamp, a pneumatic assembly, an electric assembly and a hydraulic assembly; the hold-down assembly 4 may take one or two of the various forms described above.
The pressing assembly can be integrated or split, and during splitting: the pressing component 4 comprises two sets of independent devices which respectively apply force to press the positive leading-out end 3 and the negative leading-out end 2; when integrated, the pressing member 4 includes an integrated device that applies force to press the positive lead-out terminal 3 and the negative lead-out terminal 2 at the same time.
And the two sampling assemblies 5 are respectively attached to the negative leading-out end 2 and the positive leading-out end 3.
In the preferred embodiment: a threaded hole 14 is formed in the fixed base 1; the compression assembly 4 comprises a bolt matched with the threaded hole 14, and the end part of the bolt is made of an insulating material;
specifically, in the preferred embodiment: the pressing component 4 is arranged on the fixed base 1 and can move relative to the fixed base; the positive leading-out end and the negative leading-out end are arranged on the fixed base and can be respectively clamped through the pressing components, and the positive leading-out end and the negative leading-out end are respectively self-adaptively attached to and pressed on the positive end face and the negative end face of the battery; the sampling assembly (such as a voltage sampling assembly) is respectively arranged at the positive leading-out end and the negative leading-out end, is insulated from the positive leading-out end and the negative leading-out end, and can be self-adaptively attached and pressed with the positive end face and the negative end face of the battery when the positive leading-out end and the negative leading-out end are attached and pressed with the positive end face and the negative end face of the battery.
In order to realize stable connection, the positive electrode leading-out end and the negative electrode leading-out end are provided with hemispherical concave surfaces, the pressing component is provided with a ball head surface matched with the shape of the concave surface, and the concave surfaces can contain the ball head surface, namely a spherical pair.
The sampling assembly can be pre-compacted through the ejector pin, the insulating part and the spring.
The sampling assembly can be arranged on the positive leading-out end and the negative leading-out end, and can also be arranged on the fixed base.
The pressing assembly can adopt mechanical modes such as thread transmission, elbow clamping and the like, and can also adopt pneumatic, electric, hydraulic and the like.
The pressing component can be formed by two independent devices which respectively apply force to press the positive leading-out end and the negative leading-out end, or can be formed by an integrated device which applies force to press the positive leading-out end and the negative leading-out end simultaneously.
The pressing assemblies can be arranged on the same side and different sides of the fixed base along with different positions of the end faces of the positive electrode and the negative electrode of the battery.
The positive electrode leading-out end and the negative electrode leading-out end are made of metal materials with good conductivity, such as red copper nickel plating.
The recess of the fixing base can be designed to fit batteries of various sizes.
As shown in fig. 1 and 2:
the negative electrode leading-out end 2 and the positive electrode leading-out end 3 are installed on the fixing base 1 through bolts, the pressing component 4 is installed on the fixing base 1 through threads, the pressing component 4 moves relative to the fixing base 1 through the threaded hole 14, the distance between the top end of the pressing component 4 and the positive and negative electrode end faces of the battery is adjusted, and the pressing and loosening of the battery are achieved. The sampling assembly 5 is fixed on the negative leading-out end 2 and the positive leading-out end 3 through threaded connection, the sampling assembly 5 can adjust the distance between the end part of a thimble 51 on the sampling assembly 5 and the end surfaces of the positive electrode and the negative electrode of the battery along through holes on the negative leading-out end 2 and the positive leading-out end 3, and internal threads are arranged in the through holes to realize the compression and the release of the sampling thimble and the end surfaces of the positive electrode and the negative electrode of the battery.
As shown in fig. 3 and 4:
the prismatic battery 6 includes a battery negative electrode end face 61 and a battery positive electrode end face 62, and due to manufacturing assembly and the like, the two end faces 61 and 62 of the battery may not be on the same plane,
as shown in fig. 5, 6 and 7:
a groove for placing a battery is formed in the upper surface of the fixed base 1; the width of the groove is larger than that of the battery, the bottom of the groove is a battery supporting plane 12, and the rear side wall (in the direction shown in the figure) of the groove is a battery rear end face pressing surface 13; the fixed base 1 comprises a mounting hole (with internal threads) 11 for connecting side plates (a side plate A and a side plate B) and a threaded hole 14 for connecting the pressing component 4, the mounting hole 11 is used for mounting the negative leading-out end 2 and the positive leading-out end 3 on the fixed base 1, the fixed base 1 is made of nonmetal, or the fixed base 1 is made of metal, and an insulating layer is arranged on the surface of the metal; to achieve a level condition, the mounting hole 11 is preferably an oblong hole.
As shown in fig. 8 to 11:
the positive leading-out end 3 comprises a strip-shaped substrate A and a side plate A connected with the substrate A; the base plate A is provided with a through hole 31 for connecting a positive test cable, and the side plate A is provided with a connecting hole (preferably a long hole) for connecting the fixed base 1; the base plate A and the side plate A are vertically connected with each other; the positive electrode leading-out terminal 3 comprises a through hole 31, a long hole 32, a concave surface (spherical surface or conical surface) 33 and a battery positive electrode contact surface 34, wherein: through-hole 31 is used for the fixed connection of anodal test cable, mounting hole 11 on rectangular hole 32 and the unable adjustment base 1 passes through two bolted connection, realize that the positive pole draws forth the installation of end 3 on unable adjustment base 1, two bolts pass the positive pole and draw forth rectangular hole 32 on the end 3 and mounting hole 11 on the unable adjustment base 1, but incomplete compaction, the positive pole is drawn forth end 3 and is compressing tightly under the effect of subassembly 4, self-adaptation realizes that battery positive contact surface 34 closely laminates with battery positive terminal surface 62, the positive pole is drawn forth the end material and is red copper.
The structure and action principle of the negative leading-out terminal 2 are similar to those of the positive leading-out terminal 3; and will not be described in detail herein.
As shown in fig. 12 to 14:
a threaded hole 14 is formed in the fixed base 1; the compression assembly 4 comprises a bolt matched with the threaded hole 14, and the end part of the bolt is made of an insulating material; in the preferred embodiment: the pressing assembly 4 comprises a bolt tightening end 41 and a bolt pressing head 42, the bolt tightening end 41 is made of metal, the bolt pressing head 42 is made of nonmetal materials such as polytetrafluoroethylene materials, the bolt tightening end 41 and the bolt pressing head 42 are connected into a whole through threads, the end face of the bolt pressing head 42 is a spherical surface (or a conical surface), through the spherical surface, the pressing assembly 4, the negative electrode leading-out end 2 and the positive electrode leading-out end 3 form ball head connection, and the self-adaptive adjustment of pressing when the two end faces 61 and 62 of the battery are not on the same plane is solved.
The sampling assembly 5 comprises a thimble 51, an insulating cap 52, a spring 53 and an insulating sleeve 54; the thimble 51 passes through the insulating sleeve 54, the spring 53 and the insulating cap 52 in sequence. The thimble 51 is made of red copper, the end face of the thimble is in contact with the end faces of the positive electrode and the negative electrode of the battery, the other end face of the thimble is welded with the voltage sampling line, the thimble 51 has a local convex characteristic 511, the inner space formed by the thimble 51 and the insulating sleeve 54 realizes the pre-compression of the spring 53, and the insulating cap 52 and the inner cavity of the insulating sleeve 54 form an inner cavity in a round hole shape, so that the insulation between the thimble 51 and the negative electrode leading-out end 2 and the positive electrode leading-out end 3 is realized, and further, the four-wire system design of the whole testing tool is realized.
The working principle is as follows: firstly, a battery is flatly placed on the fixed base 1, the left end face and the right end face of the battery are aligned with the left end face and the right end face of the battery supporting plane 12, the end faces without positive and negative poles of the battery are aligned with the battery rear end face pressing face 13, then, the pressing assembly 4 is operated, the bolt tightening end 41 is rotated, the bolt pressing head 42 enters the recess 33, and the pressing assembly 4, the positive leading-out end 3 and the negative leading-out end 2 are pressed in a self-adaptive mode. And simultaneously transmits the pressing force to the positive and negative end faces of the battery. And finally, operating the sampling assembly 5, and rotating the insulating sleeve 54 to enable the end face of the thimble 51 and the end face of the positive and negative poles of the battery to be compressed in a self-adaptive manner.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a high power is four-wire system test fixture for lithium cell which characterized in that includes at least:
a fixed base (1); a groove for placing a battery is formed in the upper surface of the fixed base (1); the width of the groove is larger than that of the battery;
a negative electrode lead-out terminal (2); the negative leading-out end (2) comprises a strip-shaped substrate B and a side plate B connected with the substrate B; a through hole for connecting a negative electrode test cable is formed in the substrate B, and a connecting hole for connecting the fixed base (1) is formed in the side plate B;
a positive electrode lead-out terminal (3); the positive leading-out end (3) comprises a strip-shaped substrate A and a side plate A connected with the substrate A; a through hole (31) for connecting a positive test cable is formed in the substrate A, and a connecting hole (32) for connecting the fixed base (1) is formed in the side plate A;
a compressing component (4) for realizing the joint of the negative leading-out end (2) and the battery negative pole, the positive leading-out end (3) and the battery positive pole;
and the two sampling assemblies (5) are respectively attached to the negative electrode leading-out end (2) and the positive electrode leading-out end (3).
2. The four-wire system test fixture for the high-power lithium battery according to claim 1, wherein the compression assembly (4) is one or two of a bolt, an elbow clamp, a pneumatic assembly, an electric assembly and a hydraulic assembly.
3. The high power lithium battery four-wire system test fixture of claim 1, wherein the compression assembly (4) is: two sets of independent devices for respectively applying force to press the positive leading-out end (3) and the negative leading-out end (2), or an integrated device for simultaneously applying force to press the positive leading-out end (3) and the negative leading-out end (2).
4. The four-wire system test fixture for the high-power lithium battery as claimed in any one of claims 1 to 3, wherein the negative lead-out terminal (2) and the compressing component (4) are connected in a self-adaptive manner, and the positive lead-out terminal (3) and the compressing component (4) are connected in a self-adaptive manner.
5. The high power lithium battery of claim 4 is with four-wire system test fixture, characterized in that, the self-adaptation is connected and is:
the connection surface of the positive electrode leading-out end (3) and the negative electrode leading-out end (2) is provided with a spherical cavity, and the connection surface of the pressing component (4) is provided with a ball head surface;
or the connecting surface of the positive leading-out end (3) and the negative leading-out end (2) is provided with a ball head surface, and the connecting surface of the pressing component (4) is provided with a spherical cavity;
or transfer connecting components are arranged between the negative electrode leading-out end (2) and the pressing component (4) and between the positive electrode leading-out end (3) and the pressing component (4).
6. The four-wire system test fixture for the high-power lithium battery according to claim 1, wherein the sampling assembly (5) is mounted on the positive lead-out terminal (3), the negative lead-out terminal (2) or the fixed base (1).
7. The four-wire system test fixture for the high-power lithium battery as claimed in claim 2, wherein the positive lead-out terminal (3) and the negative lead-out terminal (2) are made of red copper nickel plating.
8. The four-wire system test fixture for the high-power lithium battery as claimed in claim 1, wherein the connecting holes are oblong holes.
9. The four-wire system test fixture for the high-power lithium battery as claimed in claim 1, wherein the insulating material is polytetrafluoroethylene; the fixed base (1) is made of an insulating material.
10. The high power lithium battery four-wire system test fixture of claim 1, wherein the sampling assembly (5) comprises: the thimble (51), the insulating cap (52), the spring (53) and the insulating sleeve (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345342.3A CN114114032A (en) | 2021-11-15 | 2021-11-15 | Four-wire system test fixture for high-power lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345342.3A CN114114032A (en) | 2021-11-15 | 2021-11-15 | Four-wire system test fixture for high-power lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114114032A true CN114114032A (en) | 2022-03-01 |
Family
ID=80396038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111345342.3A Pending CN114114032A (en) | 2021-11-15 | 2021-11-15 | Four-wire system test fixture for high-power lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114114032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539925A (en) * | 2023-04-17 | 2023-08-04 | 深圳信瑞新能源科技有限公司 | Manufacturing method of short-circuit-preventing battery clamp |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737584A (en) * | 2005-09-08 | 2006-02-22 | 天津力神电池股份有限公司 | Method for testing resistance of battery positive/negative plate and apparatus thereof |
| CN102419423A (en) * | 2011-12-29 | 2012-04-18 | 天津力神电池股份有限公司 | Small battery testing tool |
| CN202453376U (en) * | 2011-11-26 | 2012-09-26 | 哈尔滨智木科技有限公司 | Four-wire battery internal resistance detecting clamp |
| CN203688607U (en) * | 2013-12-17 | 2014-07-02 | 东莞市盈之宝电子科技有限公司 | Four-wire probe for testing cylindrical battery and aluminium casing battery |
| CN204389548U (en) * | 2015-02-06 | 2015-06-10 | 天津力神电池股份有限公司 | Ultracapacitor discharge and recharge fixture |
| CN106771397A (en) * | 2016-12-19 | 2017-05-31 | 南京四象新能源科技有限公司 | A kind of cell measuring clamp |
| CN106876628A (en) * | 2017-04-19 | 2017-06-20 | 王爽 | A kind of flexible package lithium cell group with New insulated protection board structure |
| CN206627606U (en) * | 2017-03-31 | 2017-11-10 | 实联长宜（盐城）科技有限公司 | A kind of frock of voltage inner walkway for battery |
| CN207800782U (en) * | 2017-12-18 | 2018-08-31 | 深圳市沃特玛电池有限公司 | A kind of lithium ion battery structure |
| CN109031140A (en) * | 2018-07-09 | 2018-12-18 | 上海烁范自动化设备有限公司 | Battery testing tooling |
| CN212845491U (en) * | 2020-07-10 | 2021-03-30 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | A supercapacitor high current fast detection fixture |
| CN113125959A (en) * | 2021-03-29 | 2021-07-16 | 蜂巢能源科技(无锡)有限公司 | Battery test auxiliary device and test battery assembling method |
-
2021
- 2021-11-15 CN CN202111345342.3A patent/CN114114032A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737584A (en) * | 2005-09-08 | 2006-02-22 | 天津力神电池股份有限公司 | Method for testing resistance of battery positive/negative plate and apparatus thereof |
| CN202453376U (en) * | 2011-11-26 | 2012-09-26 | 哈尔滨智木科技有限公司 | Four-wire battery internal resistance detecting clamp |
| CN102419423A (en) * | 2011-12-29 | 2012-04-18 | 天津力神电池股份有限公司 | Small battery testing tool |
| CN203688607U (en) * | 2013-12-17 | 2014-07-02 | 东莞市盈之宝电子科技有限公司 | Four-wire probe for testing cylindrical battery and aluminium casing battery |
| CN204389548U (en) * | 2015-02-06 | 2015-06-10 | 天津力神电池股份有限公司 | Ultracapacitor discharge and recharge fixture |
| CN106771397A (en) * | 2016-12-19 | 2017-05-31 | 南京四象新能源科技有限公司 | A kind of cell measuring clamp |
| CN206627606U (en) * | 2017-03-31 | 2017-11-10 | 实联长宜（盐城）科技有限公司 | A kind of frock of voltage inner walkway for battery |
| CN106876628A (en) * | 2017-04-19 | 2017-06-20 | 王爽 | A kind of flexible package lithium cell group with New insulated protection board structure |
| CN207800782U (en) * | 2017-12-18 | 2018-08-31 | 深圳市沃特玛电池有限公司 | A kind of lithium ion battery structure |
| CN109031140A (en) * | 2018-07-09 | 2018-12-18 | 上海烁范自动化设备有限公司 | Battery testing tooling |
| CN212845491U (en) * | 2020-07-10 | 2021-03-30 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | A supercapacitor high current fast detection fixture |
| CN113125959A (en) * | 2021-03-29 | 2021-07-16 | 蜂巢能源科技(无锡)有限公司 | Battery test auxiliary device and test battery assembling method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539925A (en) * | 2023-04-17 | 2023-08-04 | 深圳信瑞新能源科技有限公司 | Manufacturing method of short-circuit-preventing battery clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206480686U (en) | A kind of conduction connecting structure of cylinder power battery module | |
| CN207457297U (en) | For testing the fixture of high current soft package lithium battery | |
| CN215008384U (en) | Inner bipolar column lithium ion battery cover plate structure | |
| CN111579994A (en) | Battery charging and discharging measurement device and method suitable for different dimensions | |
| CN205723727U (en) | Power battery pack | |
| CN110794309A (en) | Soft package battery single body testing device and testing method | |
| CN114114032A (en) | Four-wire system test fixture for high-power lithium battery | |
| CN107331826B (en) | Connection method of power battery pack and battery pack produced by using same | |
| CN106654135A (en) | Conductive connection structure for cylindrical power battery modules | |
| CN103219488A (en) | Lithium-ion power battery | |
| CN221378197U (en) | Lithium battery cell test fixture based on battery echelon utilization | |
| CN220961599U (en) | Water circulation test fixture | |
| CN219915873U (en) | Ultra-high temperature battery test hardware | |
| CN106124809A (en) | A kind of adjustable cylinder shape cell measuring clamp | |
| CN108169609B (en) | Super capacitor parallel charging and discharging tool | |
| CN209841910U (en) | Square-shell power battery test fixture | |
| CN108614232B (en) | A calibration tool used for automatic calibration system of chemical composition test power supply | |
| CN113884896A (en) | Be used for cylindrical lithium ion battery heavy current charge-discharge test fixture | |
| CN204679332U (en) | Barrier film puncture strength test fixture | |
| CN206074648U (en) | A kind of adjustable cylinder shape cell measuring clamp | |
| CN211045630U (en) | Pneumatic control clamp | |
| CN213023217U (en) | Cylindrical battery charging and discharging test fixture | |
| CN220603519U (en) | Lead-acid storage battery angle terminal conical terminal discharging connection device | |
| CN213069114U (en) | Soft-package lithium ion power battery test tool with large length-width ratio and double-side tabs | |
| CN220961790U (en) | Buckling performance testing device of lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220301 |