CN206557292U - Cell resistance test fixture and cell resistance test suite - Google Patents
Cell resistance test fixture and cell resistance test suite Download PDFInfo
- Publication number
- CN206557292U CN206557292U CN201720244578.0U CN201720244578U CN206557292U CN 206557292 U CN206557292 U CN 206557292U CN 201720244578 U CN201720244578 U CN 201720244578U CN 206557292 U CN206557292 U CN 206557292U
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- Prior art keywords
- connecting rod
- cell resistance
- rocking arm
- test
- resistance test
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- 238000012360 testing method Methods 0.000 title claims abstract description 169
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of cell resistance test fixture and cell resistance test suite.Cell resistance test fixture includes changement, and changement includes the first connecting rod and the first rocking arm of supporting plate and rotatable connection, and the end of the first rocking arm is slippingly set on the supporting plate, and the end of first connecting rod is connected with driver；Rotation axis between first connecting rod and the first rocking arm is parallel to supporting plate；The first end of test cartridge is connected to the end of the first rocking arm, second end of test cartridge, which is fed through after supporting plate, is connected with metallic test face, metallic test face, which is used to be in contact with the lug of battery, tests the resistance of battery, the arc surface for being shaped as evagination in metallic test face.Cell resistance test suite includes two cell resistance test fixtures, and two test cartridges are oppositely arranged.The cell resistance test fixture that the utility model is provided, Automated condtrol test process is simple to operate, improves testing efficiency, adds the accuracy of test.
Description
Technical field
The utility model is related to a kind of cell resistance test fixture and cell resistance test suite.
Background technology
Battery pack is the power set of new-energy automobile, it is ensured that the safety of battery pack is the weight for ensureing new-energy automobile safety
Want means, the contact resistance of the battery core of internal battery pack in junction maintains normal level and ensures that battery pack is normally run
Essential condition.When the Joint failure of junction, contact resistance can tend to be infinitely great, and now internal battery pack meeting abrupt release goes out
Substantial amounts of heat, causes fire, it is therefore desirable to which testing contact resistance value is to ensure that battery apparatus is normally run.
In the prior art, typically by conventional cell measuring clamp testing contact resistance, using conventional battery testing
Fixture testing contact resistance has the following disadvantages：First, efficiency is low, is needed in test artificial successively with test fixture clamping electricity
The both positive and negative polarity in pond, waste time and energy and poor reliability；Second, accuracy is poor, and the end face of conventional test fixture is plane, battery
Test surfaces be similarly plane, conventional test fixture and the contact area of the test surfaces of battery are larger, and it is positive and negative with battery
Pole can produce larger extra resistance when contacting in contact point, disturb the proper testing of contact resistance, cause the degree of accuracy of test
It is low.
Therefore, it is necessary to solve above-mentioned technical problem.
Utility model content
The utility model provides a kind of cell resistance test fixture and cell resistance test suite, to solve in the prior art
The problem of existing, Automated condtrol test process is simple to operate, improves testing efficiency, increases the accuracy of test.
The utility model provides a kind of cell resistance test fixture, including：Changement, the changement includes branch
Fagging and the first connecting rod and the first rocking arm of rotatable connection, the end of first rocking arm is slippingly arranged on the branch
On fagging, the end of the first connecting rod is connected with driver, and the driver is used to drive the first connecting rod along straight line side
To moving back and forth；Rotation axis between the first connecting rod and first rocking arm is parallel to the supporting plate；Test cartridge,
The first end of the test cartridge is connected to the end of first rocking arm, and the second end extension of the test cartridge is fed through institute
State supporting plate, the second end of the test cartridge is provided with the resistance of testing the battery of being in contact for the lug with battery
Metallic test face, the arc surface for being shaped as evagination in the metallic test face.
Alternatively, sliding through hole is offered in the supporting plate, the side of the end of first rocking arm is slippingly set
Put in the sliding through hole, the end face of the end of first rocking arm is connected with the test cartridge, the test cartridge with
The first connecting rod is located at the both sides of the supporting plate respectively.
Alternatively, the cell resistance test fixture also includes limiting plate, and the limiting plate is parallel to the supporting plate, institute
State and limiting through hole is offered on limiting plate, the end of the first connecting rod is fed through after the limiting through hole and first rocking arm
Rotatable connection.
Alternatively, the changement also include rotatable connection second connecting rod and the second rocking arm, the second connecting rod with
The first connecting rod is be arranged in parallel, and the end of the second connecting rod is connected on the driver, the end of second rocking arm
Slippingly it is arranged in the supporting plate.
Alternatively, the first connecting rod is located between first rocking arm and the second connecting rod, the second connecting rod position
Between second rocking arm and the second connecting rod, the sliding trajectory of the end of first rocking arm and second rocking arm
Sliding trajectory is located along the same line.
Alternatively, the first connecting rod is hinged with first rocking arm, and the second connecting rod is hinged with second rocking arm.
Alternatively, the cell resistance test fixture also includes locating rod, and the first end of the locating rod is fixed on described
In supporting plate, the second end of the locating rod is located in the positioning hole of the battery.
Alternatively, the cell resistance test fixture also includes connecting plate, and the test cartridge is connected by the connecting plate
It is connected on the end of first rocking arm.
Alternatively, the driver is press, motor or cylinder.
Based on same inventive concept, the utility model additionally provides a kind of cell resistance test suite, including any of the above
One cell resistance test fixture, the quantity of the cell resistance test fixture is two, positioned at two battery electricity
Two test cartridges on resistance test fixture are oppositely arranged, and the metallic test face in two test cartridges is respectively used to test
The resistance at the two ends of lug.
Cell resistance test fixture and cell resistance test suite that the utility model is provided, by setting driver drives
Changement moves and commutated, and realizes Automated condtrol test process, simplifies operation, improves testing efficiency, together
When, by the way that metallic test face to be arranged to the arc surface of evagination, the contact area of metallic test face and lug is greatly reduced,
Reduce the interference of contact resistance, it is ensured that the accuracy of metallic test face test.
Brief description of the drawings
Preferred embodiment in the present invention will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention and excellent
Point, wherein:
The structural representation for the cell resistance test fixture that Fig. 1 provides for the utility model preferred embodiment.
Fig. 2 is Fig. 1 front view.
The first structure for the cell resistance test fixture clamping lug that Fig. 3 provides for the utility model preferred embodiment is shown
It is intended to.
Second of structure of the cell resistance test fixture clamping lug that Fig. 4 provides for the utility model preferred embodiment is shown
It is intended to.
The third structure for the cell resistance test fixture clamping lug that Fig. 5 provides for the utility model preferred embodiment is shown
It is intended to.
Embodiment
Mention in this manual or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Orientation term is defined relative to the construction shown in each accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote
From particular elements geometric center direction they be relative concept, it is therefore possible to can according to its residing diverse location, difference
Use state and correspondingly changed.So, also these or other orientation term should not be construed to restricted use
Language.
The structural representation for the cell resistance test fixture that Fig. 1 provides for the utility model preferred embodiment, Fig. 2 is Fig. 1
Front view, the cell resistance test fixture that Fig. 3 is provided for the utility model preferred embodiment clamps the first structure of lug
Schematic diagram.As shown in Figure 1 to Figure 3, the utility model provides a kind of cell resistance test fixture, including changement 1 and survey
Try chuck 2.
It refer to Fig. 1 to Fig. 3, the changement 1 includes the first connecting rod 13 and the of supporting plate 15 and rotatable connection
One rocking arm 11, the position of supporting plate 15 is fixedly installed.The end of first rocking arm 11 is slippingly arranged on the supporting plate
On 15.Alternatively, slide rail is provided with supporting plate 15, the end of the first rocking arm 11 is provided with sliding block, sliding block is slippingly
It is arranged on slide rail.The end of the first connecting rod 13 is connected with driver 3, and the driver 3 is used to drive described first to connect
Bar 13 is moved back and forth along rectilinear direction.Alternatively, the first connecting rod 13 can be arranged perpendicular to the supporting plate 15, and
Along being moved back and forth perpendicular to the direction of the supporting plate 15, during first connecting rod 13 is moved back and forth, the first rocking arm
15 realize sliding on the supporting plate in 11 end.The rotation axis of the first connecting rod 13 and first rocking arm 11 is parallel to institute
Supporting plate 15 is stated, driver 3 herein can be press, motor or cylinder, to realize Automated condtrol, reduce hand labor
Intensity.
When driver 3 drives first connecting rod 13 along when being moved away from the direction of the supporting plate 15, the first rocking arm 11 and the
One end that one connecting rod 13 is connected is moved along away from the direction of supporting plate 15, and the end of the first rocking arm 11 is therewith in supporting plate 15
Slid towards the direction close to first connecting rod 13.When driver 3 drives first connecting rod 13 to be transported along the direction close to the supporting plate 15
When dynamic, the first rocking arm 11 is connected to one end on first connecting rod 13 close to supporting plate 15, and the end of the first rocking arm 11 is therewith in branch
Enter line slip towards the direction away from first connecting rod 13 on fagging 15.By the mutual cooperation of the rocking arm 11 of first connecting rod 13 and first,
Realize technique effect of the first connecting rod 13 in the enterprising line slip of supporting plate 15.Wherein, the motion of the first end of first connecting rod 13
Direction can be vertical direction (direction as shown by the arrow a in fig. 2), after the commutation effect of changement 1, described the
The direction of motion of the end of one rocking arm 11 can be horizontally oriented in (direction as designated by arrows b in fig).Wherein, first connecting rod
13 and first rocking arm 11 can be oval scale formula sliding-block linkage, wedge pulley mechanism etc..
Test cartridge 2 is connected to the end of the first rocking arm 11, and the second end of the test cartridge 2 is provided with metallic test face
21, the metallic test face 21 is used to be in contact with the lug 41 of battery 4 to test the resistance of the battery 4, metallic test face 21
Slid with the sliding of the end of the first rocking arm 11.For such as 1 to lug 41 illustrated in fig. 3 be located at battery 4 side and
The structure that lug 41 extends along the direction away from battery 4, after the position of lug 41 is fixed, makes metallic test face 21 just to lug 41
On test surfaces.Metallic test face 21 with the first rocking arm 11 end jointly slide so that with the pole of the battery 4 of required test
Ear 41 is in contact or is separated.The arc surface for being shaped as evagination in the metallic test face 21, can make metallic test face 21 in survey
When trying the resistance of lug 41, the only less arc surface of area is in contact with lug 41, significantly reduces contact area, reduces
The interference effect of contact resistance, adds measuring accuracy.
The cell resistance test fixture that the utility model is provided, by setting driver 3 to drive changement 1 to move
And commutation, Automated condtrol test process is realized, operation is simplified, improves testing efficiency, meanwhile, by by metallic test
Face 21 is arranged to the arc surface of evagination, significantly reduces the contact area in metallic test face 21 and lug 41, reduces contact electricity
The interference of resistance, it is ensured that the accuracy that metallic test face 21 is tested.
Alternatively, sliding through hole 16 is offered in the supporting plate 15, the side of the end of first rocking arm 11 can be slided
It is arranged on moving in the sliding through hole 16, and then the motion of the end of the first rocking arm 11 can be limited to sliding through hole 16
It is internal.The end face of the end of first rocking arm 11 is connected with the test cartridge 2, and the test cartridge 2 connects with described first
Bar 13 is located at the both sides of the supporting plate 15 respectively, and then serves the technology effect that test zone and commutating zone are separated
Really.
Further, the cell resistance test fixture also includes limiting plate 5, and the limiting plate 5 is parallel to the support
Limiting through hole is offered on plate 15, the limiting plate 5, the end of the first connecting rod 13 is fed through after the limiting through hole and institute
State the first rocking arm 11 to be rotatably connected, the direction of motion of first connecting rod 13 is limited on the central axis of limiting through hole, it is ensured that
Stability and accuracy that first connecting rod 13 is moved under the driving effect of driver 3.
It is preferred that the changement 1 also includes the rocking arm 12 of second connecting rod 14 and second of rotatable connection, described second connects
Bar 14 is oppositely arranged with the first connecting rod 13, and the end of the second connecting rod 14 is connected on the driver 3, and described second
The end of rocking arm 12 is slippingly arranged in the supporting plate 15.The setting of the rocking arm 12 of second connecting rod 14 and second, which is added, changes
The quantity for the test cartridge 2 that can be connected to mechanism 1.
As an optional embodiment, the first connecting rod 13 is located at first rocking arm 11 and the second connecting rod 14
Between, the second connecting rod 14 is located between second rocking arm 12 and the second connecting rod 14, and the first rocking arm 11 and second shakes
Arm 12 is into the structure of " eight " font, and the glide direction of the first rocking arm 11 and the second rocking arm 12 is opposite in real time.First rocking arm 11
End sliding trajectory and the sliding trajectory of the end of the second rocking arm 12 be located along the same line.On this basis, first
The test cartridge 2 connected on the rocking arm 12 of test cartridge 2 and second connected on rocking arm 11 can be from the both sides of lug 41 while leaning on
Proximal pole ear 41 simultaneously plays effectively clamping action to lug 41.
Rotatable connection mode between the rocking arm 11 of first connecting rod 13 and first has a variety of.Alternatively, the first connecting rod 13
It is hinged with first rocking arm 11, the second connecting rod 14 is hinged with second rocking arm 12, with stable connection, rotates flexible
Advantage, be conducive to the normal operation of changement 1.
Second of structure of the cell resistance test fixture clamping lug that Fig. 4 provides for the utility model preferred embodiment is shown
It is intended to.
As shown in figure 4, the cell resistance test suite that the present embodiment is provided is respectively provided with lug mainly for the two ends of battery 4
41 structure.After the position of lug 41 is fixed, it is both needed to set a test cartridge 2 at the position of each lug 41, makes gold
Belong to test surfaces 21 just to the test surfaces on lug 41.Now accordingly, the cell resistance test on cell resistance test suite
The quantity of fixture is two, and the relative position of two cell resistance test fixtures is fixedly installed, and positioned at two battery electricity
Two test cartridges 2 on resistance test fixture are oppositely arranged, and the metallic test face 21 in two test cartridges 2 is respectively used to
Test the resistance at the two ends of lug 41.The structure and working principle of cell resistance test fixture is no longer gone to live in the household of one's in-laws on getting married herein as detailed above
State.In test, the metallic test face 21 in two test cartridges 2 is in contact with lug 41 simultaneously to be tested, and test terminates
Afterwards, two test cartridges 2 are operated to be separated respectively with lug 41.
Alternatively, the cell resistance test fixture also includes locating rod 6, and the first end of the locating rod 6 is fixed on institute
State in supporting plate 15, the second end of the locating rod 6 is located in the positioning hole of the battery 4.For fixing the battery 4,
Battery 4 is prevented to be subjected to displacement in test process.
Further, the cell resistance test fixture also includes connecting plate, and the test cartridge 2 passes through the connecting plate
It is connected to the end of first rocking arm 11.The connecting plate insulation set, passes through the insulating effect of insulation board, test cartridge 2
On electric current can effectively be blocked, it is ensured that the security of test.
The third structure for the cell resistance test fixture clamping lug that Fig. 5 provides for the utility model preferred embodiment is shown
It is intended to.
As shown in figure 5, the cell resistance test fixture that the utility model is provided, which can be also used for test lug 41, is located at electricity
The side in pond 4 and the structure of the end bending of lug 41.Now the first rocking arm 11 in changement 1 need to only be removed, first
The first end of connecting rod 13 is connected on driver 3, and the second end of first connecting rod 13 is connected in test cartridge 2.Lug 41
Position fix after, make metallic test face 21 down just to the test surfaces on lug 41, driving of the first connecting rod 13 in driver 3
Being moved downward under effect can be in contact with lug 41, and then test the resistance of battery 4.After test terminates, driver 3 drives the
One connecting rod 13 is moved towards the direction away from lug 41, metallic test face 21 is separated with lug 41.
The cell resistance test fixture that the utility model is provided, by setting driver 3 to drive changement 1 to move
And commutation, Automated condtrol test process is realized, operation is simplified, improves testing efficiency, meanwhile, by by metallic test
Face 21 is arranged to the arc surface of evagination, greatly reduces the contact area in metallic test face 21 and lug 41, reduces interference
Resistance value, it is ensured that the accuracy that metallic test face 21 is tested.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The scope of scheme.
Claims (10)
1. a kind of cell resistance test fixture, it is characterised in that including：
Changement, the changement includes the first connecting rod and the first rocking arm of supporting plate and rotatable connection, described first
The end of rocking arm is slippingly arranged in the supporting plate, and the end of the first connecting rod is connected with driver, the driving
Device is used to drive the first connecting rod linearly to move back and forth；Rotation between the first connecting rod and first rocking arm
Diameter parallel is in the supporting plate；
Test cartridge, the first end of the test cartridge is connected to the end of first rocking arm, the second of the test cartridge
End extension is fed through the supporting plate, and the second end of the test cartridge, which is provided with to be in contact for the lug with battery, tests institute
State the metallic test face of the resistance of battery, the arc surface for being shaped as evagination in the metallic test face.
2. cell resistance test fixture according to claim 1, it is characterised in that sliding is offered in the supporting plate logical
Hole, the side of the end of first rocking arm is slippingly arranged in the sliding through hole, the end of first rocking arm
End face is connected with the test cartridge, and the test cartridge is located at the both sides of the supporting plate with the first connecting rod respectively.
3. cell resistance test fixture according to claim 1, it is characterised in that the cell resistance test fixture is also wrapped
Include limiting plate, the limiting plate offers limiting through hole parallel to the supporting plate on the limiting plate, the first connecting rod
End is fed through after the limiting through hole to be rotatably connected with first rocking arm.
4. cell resistance test fixture according to claim 1, it is characterised in that the changement also includes rotation and connected
The second connecting rod and the second rocking arm connect, the second connecting rod be arranged in parallel with the first connecting rod, the end of the second connecting rod
It is connected on the driver, the end of second rocking arm is slippingly arranged in the supporting plate.
5. cell resistance test fixture according to claim 4, it is characterised in that the first connecting rod is located at described first
Between rocking arm and the second connecting rod, the second connecting rod is located between second rocking arm and the second connecting rod, and described the
The sliding trajectory of the sliding trajectory of the end of one rocking arm and second rocking arm is located along the same line.
6. cell resistance test fixture according to claim 4, it is characterised in that the first connecting rod shakes with described first
Arm is hinged, and the second connecting rod is hinged with second rocking arm.
7. cell resistance test fixture according to claim 1, it is characterised in that the cell resistance test fixture is also wrapped
Locating rod is included, the first end of the locating rod is fixed in the supporting plate, and the second end of the locating rod is located in the electricity
In the positioning hole in pond.
8. the cell resistance test fixture according to claim 1-7 any one, it is characterised in that the cell resistance is surveyed
Trying fixture also includes connecting plate, and the test cartridge is connected to the end of first rocking arm by the connecting plate.
9. the cell resistance test fixture according to claim 1-7 any one, it is characterised in that the driver is pressure
Mechanical, electrical machine or cylinder.
10. a kind of cell resistance test suite, it is characterised in that surveyed including cell resistance described in claim 1-9 any one
Fixture is tried, the quantity of the cell resistance test fixture is two, two on two cell resistance test fixtures
Test cartridge is oppositely arranged, and the metallic test face in two test cartridges is respectively used to test the resistance at the two ends of lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244578.0U CN206557292U (en) | 2017-03-14 | 2017-03-14 | Cell resistance test fixture and cell resistance test suite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244578.0U CN206557292U (en) | 2017-03-14 | 2017-03-14 | Cell resistance test fixture and cell resistance test suite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206557292U true CN206557292U (en) | 2017-10-13 |
Family
ID=60365316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720244578.0U Expired - Fee Related CN206557292U (en) | 2017-03-14 | 2017-03-14 | Cell resistance test fixture and cell resistance test suite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206557292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444754A (en) * | 2018-11-06 | 2019-03-08 | 东莞市恒翼能自动化有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109581229A (en) * | 2018-11-14 | 2019-04-05 | 临沂大学 | A kind of wireless communication terminal cell box explosion preventing detection device and detection method |
| CN111443221A (en) * | 2018-12-28 | 2020-07-24 | 深圳市瑞能实业股份有限公司 | Battery clamping piece device |
-
2017
- 2017-03-14 CN CN201720244578.0U patent/CN206557292U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444754A (en) * | 2018-11-06 | 2019-03-08 | 东莞市恒翼能自动化有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109444754B (en) * | 2018-11-06 | 2019-09-24 | 广东恒翼能科技有限公司 | A kind of soft package lithium battery automatic test machine structure and equipment |
| CN109581229A (en) * | 2018-11-14 | 2019-04-05 | 临沂大学 | A kind of wireless communication terminal cell box explosion preventing detection device and detection method |
| CN109581229B (en) * | 2018-11-14 | 2022-06-10 | 临沂大学 | Explosion-proof detection device and detection method for battery box of wireless communication terminal |
| CN111443221A (en) * | 2018-12-28 | 2020-07-24 | 深圳市瑞能实业股份有限公司 | Battery clamping piece device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |