CN207965035U - A kind of insulation testing mechanism - Google Patents
A kind of insulation testing mechanism Download PDFInfo
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- CN207965035U CN207965035U CN201820199303.4U CN201820199303U CN207965035U CN 207965035 U CN207965035 U CN 207965035U CN 201820199303 U CN201820199303 U CN 201820199303U CN 207965035 U CN207965035 U CN 207965035U
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- insulation
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- fixed block
- copper billet
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Abstract
The utility model provides a kind of insulation testing mechanism, belongs to battery manufacture detection.It, which solves the problems, such as how to stablize insulation impedance between accurate realization aluminum plastic film aluminium layer and battery pole ear, is tested.This insulation testing mechanism, including insulation tester, connect the fool proof test circuit of insulation tester and the probe for connecting battery pole ear, probe connects insulation tester, fool proof test circuit includes conductive sponge one, conductive sponge two, copper billet one, copper billet two, fixed block one and fixed block two, one connecting copper block one of conductive sponge is fixed on fixed block one, two connecting copper block two of conductive sponge is fixed on fixed block two, and copper billet one and copper billet two are electrically connected insulation tester.Mechanism not only passes through the contact area of the increase and aluminum plastic film aluminium layer of conductive sponge one and conductive sponge two, fool proof judgement is connected in two-point contact, it prevents from insulation tester from testing the insulation impedance of lug and aluminum plastic film aluminium layer to judge by accident, realizes that stable and accurate insulation impedance is tested between aluminum plastic film aluminium layer and battery pole ear.
Description
Technical field
The utility model belongs to battery manufacture detection technique field, is related to a kind of insulation testing mechanism.
Background technology
It is higher and higher to the performance requirement of lithium ion battery with the rapid development of lithium ion battery, wherein insulation performance
The safety for influencing battery, if defective insulation battery fails effectively to identify in production line, in the process of automobilism
In other safety accidents such as leakage may occur to catch fire.Lithium ion battery can carry out Insulation test after chemical conversion, pass
System insulation detection device puncture strip of paper used for sealing edge with probe, so that probe is contacted with the aluminium layer of aluminum plastic film, then by conducting wire by probe with
Positive pole ear or negative lug, which are connected on insulation tester, carries out resistance test, if probe is not in contact with when being pierced into aluminum plastic film
To aluminum plastic film aluminium layer, no matter whether all can show non-defective unit with battery itself at this time if being defective insulation test result, to can not be effective
Detect bad hidden danger battery.
And a kind of novel lithium battery packaging film test that Chinese patent literature publication number is 201521118416.X is led
Electro-acupuncture devices, including battery positioning clamp, pricker fix insulation board and rubber；Rubber is mounted on the first test pricker and second and surveys
Examination pricker be fixedly mounted on pricker fix insulation board on, pricker fix insulation board both sides be respectively set the first pricker binding post and
Second pricker binding post, the first pricker binding post and the second pricker binding post test pricker with the first test pricker and second respectively
It is electrically connected.Alarm can be generated when pricker does not have fully on intermediate aluminium foil layer after the device to test needle-penetration plastic-aluminum packaging film
Prompt.But the test pricker of the device pierces to contact with intermediate aluminium foil layer to plastic-aluminum packaging film into the hand-manipulating of needle can just judge whether to lead
Logical, pricker contact surface is small, it is not easy to be contacted with aluminum plastic film aluminium layer, and can not achieve to synchronize when judging that contact is good and insulate
Detection.
Invention content
The problem of the utility model exists in view of the prior art, it is proposed that a kind of insulation testing mechanism, the system solve
How to stablize and accurate realizes the problem of insulation impedance is tested between aluminum plastic film aluminium layer and battery pole ear.
The utility model is realized by following technical proposal：A kind of insulation testing mechanism includes for detecting impedance
Insulation tester, the fool proof test circuit for connecting insulation tester and the probe for connecting battery pole ear, probe connection
Insulation tester, which is characterized in that the fool proof test circuit includes conductive sponge one, conductive sponge two, copper billet one, copper billet two, consolidates
Determine block one and fixed block two, the conductive sponge one is electrically connected copper billet one, and copper billet one is fixed on fixed block one, the conductive sponge two
It is electrically connected copper billet two, copper billet two is fixed on fixed block two, and the copper billet one and copper billet two are electrically connected insulation tester.
Mechanism drives the aluminium layer that conductive sponge one and copper billet two drive conductive sponge two to contact cell aluminum-plastic membrane by copper billet one
Two differences, and insulation tester is connected, by insulation tester to conductive sponge one and the effectively contact battery of conductive sponge two
The aluminium layer of aluminum plastic film forms closed loop progress circuit impedance and is tested, i.e., fool proof test circuit impedance measuring is zero, then table
Show that conductive sponge one and conductive sponge two and the contact performance of cell aluminum-plastic membrane aluminium layer are good.Then tested simultaneously by insulation tester
Lug probe and the insulation impedance test that the arbitrary branch in conductive sponge one or conductive sponge two is formed are authentic and valid.I.e. fool proof is tested
Circuit impedance is measured as when being not zero, and insulation tester is not tested the insulation impedance of lug and aluminum plastic film aluminium layer,
Therefore mechanism is not only by the contact area of the increase and aluminum plastic film aluminium layer of conductive sponge one and conductive sponge two, and two-point contact is led
Logical fool proof judgement prevents insulation tester from testing the insulation impedance of lug and aluminum plastic film aluminium layer and judges by accident, realizes aluminum plastic film aluminium layer
The stable and accurate insulation impedance test between battery pole ear.
In above-mentioned insulation testing mechanism, which further includes insulation board, support element one and support element two, above-mentioned fixed block
One is fixed on insulation board by support element one, and above-mentioned fixed block two is fixed on insulation board by support element two.Connected by insulation board
Fixed block one and fixed block two are connect, so that it one can be worked during the test, while playing positioning action.
In above-mentioned insulation testing mechanism, the support element one includes connector one and has reeded mounting bracket one, Gu
Determine block one to be fixedly installed on by connector one in the groove of mounting bracket one.Fixed block one is set in the groove of mounting bracket one
Protection is carried out to one circuit of conductive sponge and connection structure and plays the role of insulation.
In above-mentioned insulation testing mechanism, the support element two includes connector two and has reeded mounting bracket two, Gu
Determine block two to be fixedly installed on by connector two in the groove of mounting bracket two.Fixed block two is set in the groove of mounting bracket two
Protection is carried out to two circuit of conductive sponge and connection structure and plays the role of insulation.
In above-mentioned insulation testing mechanism, the connector one and connector two are respectively at least one spring.Pass through bullet
The elastic connection of spring plays the role of buffering in testing moving process, and the conductive sponge one and conductive sponge two and plastic-aluminum that can make
The contact of film aluminium layer is even closer, it is not easy to loosen.
In above-mentioned insulation testing mechanism, the connector one and connector two are respectively two springs.Optimal mode is
Two springs are selected, fastness and elastic force all use enough.
In above-mentioned insulation testing mechanism, the insulation board is provided with cylinder.Insulation board is driven to be moved forward and backward by cylinder,
Enable this fool proof test circuit that the work of the Insulation monitoring of primary aluminum plastic film and lug to be coordinated to realize the purpose detected automatically.
Compared with prior art, this insulation testing mechanism has the following advantages：
1, the utility model increases the contact area with cell aluminum-plastic membrane aluminium layer by conductive sponge one and conductive sponge two, improves
Contact performance improves Insulation monitoring success rate simultaneously.
2, the utility model realizes two-point contact conducting fool proof judgement, prevents insulation tester by fool proof test circuit
The insulation impedance of lug and aluminum plastic film aluminium layer is tested and is judged by accident, is realized stable and accurate exhausted between aluminum plastic film aluminium layer and battery pole ear
Edge testing impedance.
Description of the drawings
Fig. 1 is the utility model structure diagram.
In figure, 1, probe；2, insulation tester；31, conductive sponge one；32, conductive sponge two；41, copper billet one；42, copper billet two；
51, fixed block one；52, fixed block two；6, support element one；61, connector one；62, mounting bracket one；7, support element two；71, it connects
Part two；72, mounting bracket two；8, battery core；9, insulation board；10, cylinder.
Specific implementation mode
It is specific embodiment of the utility model below, and the technical solution of the utility model is made further in conjunction with attached drawing
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this insulation testing mechanism includes insulation tester 2, connects the fool proof test circuit of insulation tester 2
With the probe 1 for connecting battery pole ear, probe 1 connects insulation tester 2, and fool proof test circuit includes conductive sponge one
31, conductive sponge 2 32, copper billet 1, copper billet 2 42, fixed block 1 and fixed block 2 52, conductive sponge 1 are electrically connected copper billet one
41, copper billet 1 is fixed on fixed block 1, and conductive sponge 2 32 is electrically connected copper billet two, and copper billet two is fixed on fixed block 2 52
On, copper billet 1 and copper billet 2 42 are electrically connected insulation tester 2.
The mechanism further includes insulation board 9, support element 1 and support element 27, and above-mentioned fixed block 1 passes through support element 1
It is fixed on insulation board 9, fixed block 2 52 is fixed on insulation board 9 by support element 27.Insulation board 9 is provided with cylinder 10.Support element
One 6 include connector 1 and the reeded mounting bracket 1 of tool, and fixed block 1 is fixedly installed on peace by connector 1
It shelves in one 62 groove.Support element 27 includes connector 2 71 and has reeded mounting bracket 2 72, and fixed block 2 52 passes through
Connector 2 71 is fixedly installed in the groove of mounting bracket 2 72.Connector 1 and connector 2 71 are respectively at least one bullet
Spring.Optimal selection pattern connector 1 and connector 2 71 are respectively two springs.Elastic connection by spring is being tested
Play the role of buffering in moving process, and the conductive sponge 1 that can make and conductive sponge 2 32 and the contact of aluminum plastic film aluminium layer are more
Step up close, it is not easy to loosen.
After battery battery core 8 reaches test station, cylinder 10 drives insulation board 9 to move forward, conductive sponge 1 and conduction
Cotton 2 32 contacts with cell aluminum-plastic membrane aluminium layer respectively, and conductive sponge 1, conductive sponge 2 32 form one after being contacted with aluminum plastic film aluminium layer
A closed circuit illustrates that conductive sponge 1, conductive sponge 2 32 are contacted with aluminum plastic film aluminium layer and led when closed circuit impedance is zero
Logical, closed circuit sends out a signal and carries out Insulation test to test equipment at this time, and the non-defective unit judged at this time is true non-defective unit, no
Good is true bad；When closed circuit impedance is not zero, conductive sponge 1, conductive sponge 2 32 are contacted with aluminum plastic film aluminium layer and are not led
Logical, closed circuit does not send a signal to insulation tester 2 and carries out Insulation test at this time, waits after reaching the test request stipulated time
Equipment alarm.Mechanism drives conductive sponge 1 and copper billet 2 42 that conductive sponge 2 32 is driven to contact battery plastic-aluminum by copper billet 1
Two differences of the aluminium layer of film, and insulation tester 2 is connected, by insulation tester 2 to conductive sponge 1 and conductive sponge two
The aluminium layer of 32 effectively contact cell aluminum-plastic membranes forms closed loop progress circuit impedance and is tested, i.e. fool proof test circuit impedance
It is measured as zero, then it represents that conductive sponge 1 and conductive sponge 2 32 and the contact performance of cell aluminum-plastic membrane aluminium layer are good.Then lead to simultaneously
Cross the insulation resistance that the lug probe 1 of the test of insulation tester 2 is formed with the arbitrary branch in conductive sponge 1 or conductive sponge 2 32
Anti- test is authentic and valid.I.e. fool proof test circuit impedance measuring is when being not zero, and insulation tester 2 is not to lug and aluminum plastic film aluminium
The insulation impedance of layer is tested, therefore the mechanism not only increase by conductive sponge 1 and conductive sponge 2 32 and plastic-aluminum
The contact area of film aluminium layer, and two-point contact conducting fool proof judgement, prevent insulation tester 2 to the exhausted of lug and aluminum plastic film aluminium layer
Edge testing impedance is judged by accident, realizes that stable and accurate insulation impedance is tested between aluminum plastic film aluminium layer and battery pole ear.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of insulation testing mechanism includes for detecting the anti-of the insulation tester of impedance (2), connection insulation tester (2)
Slow-witted test circuit and the probe (1) for connecting battery pole ear, probe (1) connect insulation tester (2), and feature exists
In the fool proof test circuit includes conductive sponge one (31), conductive sponge two (32), copper billet one (41), copper billet two (42), fixed block
One (51) and fixed block two (52), the conductive sponge one (31) are electrically connected copper billet one (41), and copper billet one (41) is fixed on fixed block
On one (51), the conductive sponge two (32) is electrically connected copper billet two (42), and copper billet two (42) is fixed on fixed block two (52), described
Copper billet one (41) and copper billet two (42) are electrically connected insulation tester (2).
2. insulation testing mechanism according to claim 1, which is characterized in that the mechanism further includes insulation board (9), support element
One (6) and support element two (7), above-mentioned fixed block one (51) are fixed on insulation board (9), above-mentioned fixed block by support element one (6)
Insulation board (9) is fixed in two (52) by support element two (7).
3. insulation testing mechanism according to claim 2, which is characterized in that the support element one (6) includes connector one
(61) and the reeded mounting bracket one (62) of tool, fixed block one (51) are fixedly installed on mounting bracket one by connector one (61)
(62) in groove.
4. insulation testing mechanism according to claim 3, which is characterized in that the support element two (7) includes connector two
(71) and the reeded mounting bracket two (72) of tool, fixed block two (52) are fixedly installed on mounting bracket two by connector two (71)
(72) in groove.
5. insulation testing mechanism according to claim 4, which is characterized in that the connector one (61) and connector two
(71) it is respectively at least one spring.
6. insulation testing mechanism according to claim 5, which is characterized in that the connector one (61) and connector two
(71) it is respectively two springs.
7. insulation testing mechanism according to claim 2, which is characterized in that the insulation board (9) is provided with cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199303.4U CN207965035U (en) | 2018-02-05 | 2018-02-05 | A kind of insulation testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199303.4U CN207965035U (en) | 2018-02-05 | 2018-02-05 | A kind of insulation testing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207965035U true CN207965035U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199303.4U Active CN207965035U (en) | 2018-02-05 | 2018-02-05 | A kind of insulation testing mechanism |
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| CN (1) | CN207965035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828190A (en) * | 2019-02-22 | 2019-05-31 | 珠海高赢电子科技有限公司 | Enameled wire breakdown voltage test system and test method |
-
2018
- 2018-02-05 CN CN201820199303.4U patent/CN207965035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828190A (en) * | 2019-02-22 | 2019-05-31 | 珠海高赢电子科技有限公司 | Enameled wire breakdown voltage test system and test method |
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