CN109342968A - Test device and test method before a kind of battery modules are welded - Google Patents
Test device and test method before a kind of battery modules are welded Download PDFInfo
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- CN109342968A CN109342968A CN201811301615.2A CN201811301615A CN109342968A CN 109342968 A CN109342968 A CN 109342968A CN 201811301615 A CN201811301615 A CN 201811301615A CN 109342968 A CN109342968 A CN 109342968A
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- automatic switch
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- 238000010998 test method Methods 0.000 title claims abstract description 9
- 239000000523 sample Substances 0.000 claims abstract description 44
- 239000000178 monomer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 10
- 238000009413 insulation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Test device and test method before being welded the present invention relates to new energy battery assembly field more particularly to a kind of battery modules.The each probe fixed block of the present invention include two positive probes, two negative probes, two positive probes pass through respectively one automatic switch respectively with the first electrode line, the second electrode line；Two negative probes are connect with the first negative line, the second negative line respectively by an automatic switch, and the automatic switch that positive probe, negative probe are connect with the second electrode line, the first negative line is referred to as the first automatic switch group；First electrode line, the second electrode line, the first negative line, the second negative line pass through automatic switch respectively and are connected with the first test bus, the second test bus, are referred to as the second automatic switch group；First test bus, the second test bus pass through automatic switch respectively and connect with multimeter, voltage resistant instrument, which is automatically switched to form third automatic switch group.The present invention has the characteristics that testing efficiency is high, test result is accurate, flexible operation.
Description
Technical field
Test device and test side before being welded the present invention relates to new energy battery assembly field more particularly to a kind of battery modules
Method.
Background technique
Currently, test macro has pole largely using manual wiring test before mould group is welded in new energy battery assembly field
Few Auto-Test System.Had disadvantages that using manual wiring: insulation voltage-withstand test inaccuracy, tester need frequently to connect
Line, operation is too many, reduces efficiency, cannot find that rosin joint, majority can only could be found after flashing or burning in time.And
In existing test mode, only one test point on each battery electrode column, as with battery electrode column rosin joint occurs for busbar connector or connects
Situations such as bad is touched, can only be measured by external temperature or has seen that phenomenon on fire could be found, will cause biggish loss.
It is therefore desirable to design test device before a kind of mould group of new energy field of batteries is welded, to overcome the above problem.
Summary of the invention
In view of the deficiencies of the prior art, test device and test method before being welded the present invention provides a kind of battery modules.This
Invention is able to achieve monomer battery voltage and tests any channel switching, any channel switching of adjacent positive insulation voltage-withstand test, anode
Any channel switching is tested to the switching of shell Insulation test any channel, battery plus-negative plate.Circuit device circuit of the present invention is set
Count ingenious, circuit switching flexibly, is practically applicable to more piece single battery parameter test system, has that testing efficiency is high, test result is quasi-
Really, the features such as flexible operation.
The technical scheme is that a kind of battery modules weld preceding test device, including multiple probe fixed blocks, first are certainly
Dynamic switching group, the first electrode line, the second electrode line, the first negative line, the second negative line, the second automatic switch group, the first test
Bus, the second test bus, third automatic switch group, multimeter, voltage resistant instrument, it is characterised in that: each probe fixed block includes
Two positive probes, two negative probes, two positive probes pass through respectively an automatic switch respectively with the first electrode line, the
Two electrode lines；Two negative probes are connect with the first negative line, the second negative line respectively by an automatic switch, and anode is visited
The automatic switch that needle, negative probe are connect with the second electrode line, the first negative line is referred to as the first automatic switch group；First anode
Line, the second electrode line, the first negative line, the second negative line pass through automatic switch respectively and the first test bus, the second test are total
Line is connected, and is referred to as the second automatic switch group；First test bus, the second test bus pass through automatic switch and general-purpose respectively
Table, voltage resistant instrument connection, the group are automatically switched to form third automatic switch group.
According to a kind of preceding test device of battery modules weldering as described above, it is characterised in that: fixed including 20 probes
Block, 20 probe fixed blocks are arranged between the first electrode line, the second electrode line and the first negative line, the second negative line.
According to a kind of preceding test device of battery modules weldering as described above, it is characterised in that: also two external probes, it is external
Probe pass through respectively automatic switch be connected to the first test bus, second test bus on.
According to a kind of preceding test device of battery modules weldering as described above, it is characterised in that: the first automatic switch group, second
Automatic switch in automatic switch group, third automatic switch group uses relay switch.
According to a kind of preceding test device of battery modules weldering as described above, it is characterised in that: every positive probe, cathode are visited
Fuse is set between automatic switch in needle and the first automatic switch group.
According to a kind of preceding test device of battery modules weldering as described above, it is characterised in that: multimeter, voltage resistant instrument and third
Fuse is set between the automatic switch of automatic switch group.
The invention also discloses a kind of battery modules to weld preceding test method, and the battery electrode column between neighboring unit cell is using remittance
Stream row's connection, it is characterised in that: when test, an electrode uses two probes, forms two point tests, and a probe is pressed on
On battery electrode column, another probe is pressed on busbar connector, before energization, is determined whether in advance by the resistance of test two points test
It whether reliable is electrically connected between busbar connector and single battery；When energization, voltage on two on same electrode probes is tested
With the presence or absence of voltage difference, such as there is voltage difference, then terminates test.
According to a kind of preceding test method of battery modules weldering as described above, it is characterised in that: using as described above a kind of
Test device before battery modules are welded.
The beneficial effects of the present invention are: first is that insulation voltage-withstand test relay mixed with monomer voltage test, breaks routine
Design pattern realizes the flexible handoff functionality of relay.Second is that the features such as testing efficiency is high, test result is accurate, flexible operation.Three
It is that situations such as rosin joint or poor contact occurs for busbar connector and battery electrode column, can predict in advance, increase or occur without temperature
It is just found after spark, the generation of combustion phenomena during partial test can be avoided in advance, to reduce testing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a detection fixed block.
Fig. 2 is single battery and bus structures relation schematic diagram.
Description of symbols: probe fixed block C1, positive probe 11, negative probe 12, the first automatic switch group 2, first
Electrode line 21, the second electrode line 22, the first negative line 23, the second negative line 24, the second automatic switch group 3, first test bus
31, the second test bus 32, third automatic switch group 4, multimeter 5, voltage resistant instrument 6, external probe 7, single battery 8, busbar connector
9, battery electrode column 10.
Specific embodiment
Technical solution of the present invention is described further below in conjunction with attached drawing.
As shown in Figure 1, the present invention can be according to requiring to be arranged multiple probe fixed block C1, Fig. 1 is one, also can be set two
Ten detection fixed blocks, structure is identical, and multiple probe fixed block C1 settings are in electrode line (first the 21, second anode of electrode line
Line 22) and negative line (the first negative line 23, the second negative line 24) between.In the present invention, it can visit determines according to actual conditions
The number of fixed block is surveyed, each probe fixed block can measure a single battery, and detection fixed block is more, can disposably survey
More batteries are measured, intelligent advantage of the invention is more obvious.
As shown in Figure 1, battery modules of the present invention weld before test device include probe fixed block C1, the first automatic switch group 2,
First electrode line 21, the second electrode line 22, the first negative line 23, the second negative line 24, the test of the second automatic switch group 3, first
Bus 31, second test bus 32, third automatic switch group 4, multimeter 5, voltage resistant instrument 6, probe fixed block C1 include two just
11, two negative probes 12 of pole probe, two positive probes 11 respectively by one automatic switch respectively with the first electrode line 21,
Second electrode line 22；Two negative probes 12 are connected with the first negative line 23, the second negative line 24 respectively by an automatic switch
It connects, the automatic switch that positive probe 11, negative probe 12 are connect with the second electrode line 22, the first negative line 23 is referred to as first certainly
Dynamic switching group 2.First electrode line 21, the second electrode line 22, the first negative line 23, the second negative line 24 pass through automatic switch respectively
Bus 32 is tested with the first test bus 31, second to be connected, totally eight automatic switch (from K3_17 to K3_25), be referred to as the
Two automatic switch groups 3.First test bus 31, second test bus 32 respectively by automatic switch (from K3_27 to K3_30) with
Multimeter 5, voltage resistant instrument 6 connect, which is automatically switched to form third automatic switch group 4.
As shown in Figure 1, the present invention also two external probes 7, external probe 7 pass through automatic switch (K3_25 to K3_ respectively
26) it is connected in the first test bus 31, second test bus 32, which is third automatic switch group 4.When will be external
Probe 7 is contacted in battery pack case, can measure the insulation performance of single battery 8 Yu battery pack case by external probe 7.
In the present invention, the first automatic switch group 2 is probe (including all positive probes, all negative probes) and polar curve
The automatic switch of (the first electrode line 21, the second electrode line 22, the first negative line 23, the second negative line 24).Second automatic switch
Group 3 is polar curve and the automatic switch for testing bus (testing bus 32 including the first test bus 31, second).Third automatic switch
Group 4 is to test the automatic switch of bus and test device (multimeter 5, voltage resistant instrument 6, external probe 7).
In the present invention, the first automatic switch group 2, the second automatic switch group 3, the automatic switch in third automatic switch group 4
Relay switch can be used, the preferred stress levels of relay are higher than 4KV relay.
As shown in Figure 1, setting fuse is (in Fig. 1 between automatic switch in every probe and the first automatic switch group 2
F1, F2, F3, F4), it tests between bus and test device and fuse (F81, F82, F83, F84 in Fig. 1) is set.
The invention also discloses a kind of battery modules to weld preceding test method, and the battery electrode column 10 between neighboring unit cell 8 is adopted
It is connected with busbar connector 9, as shown in Fig. 2, one electrode uses two probes when test, forms two point tests, a probe is tight
It is pressed on battery electrode column 10, another probe is pressed on busbar connector 9, and before energization, the resistance by test two points test is preparatory
Whether reliable determine whether to be electrically connected between busbar connector 9 and single battery 8.If resistance value is larger, it can illustrate the single battery 8
Battery electrode column 10 connect with busbar connector 9 there are problem, such as rosin joint, crimping are insecure, it can be achieved that taking measures.When energization,
It whether there is voltage difference by voltage on two probes testing on same electrode, such as there is voltage difference, then the busbar connector 9 holds
Easily there is spark phenomenon, test can be terminated at once, detects the case where battery electrode column 10 and busbar connector 9 are with the presence or absence of rosin joint.By
In the device of the invention using be automatically switched, test process can whole-process automatic control, so can quickly test each electricity
The voltage of two probes on pond pole 10, it can be ensured that terminate test when phenomenon on fire does not occur, avoid existing passing through temperature
The mode of degree induction powers off the problem of bringing.Normally due to temperature is excessively high and powers off, needs the time on fire longer, often resulted in
Fiery phenomenon causes biggish loss.And method of the invention is in cold situation, the discharge unit by way of resistance test
Divide problem to generate, when being powered, tests the voltage of two probes on same battery electrode column 10 first, going wrong can be fast automatic
Cutting test circuit, it is ensured that the safety for testing circuit reduces testing cost.
The course of work of the present invention is: each probe fixed block C1 one single battery 8 of corresponding test, single battery 8 it is every
There are two probe, two probes to compress connect with battery electrode column 10 and busbar connector 9 respectively for a battery electrode column 10, passes through process control
Automatic switch in first automatic switch group 2, the second automatic switch group 3 and third automatic switch group 4, is rapidly completed battery insulation
Property, welding quality, the detection such as charge and discharge or judgement, improve the accuracy of test speed and test.
Claims (8)
- Test device before 1. a kind of battery modules are welded, including multiple probe fixed blocks, the first automatic switch group, the first electrode line, Second electrode line, the first negative line, the second negative line, the second automatic switch group, the first test bus, the second test bus, the Three automatic switch groups, multimeter, voltage resistant instrument, it is characterised in that: each probe fixed block includes two positive probes, two cathode Probe, two positive probes pass through respectively one automatic switch respectively with the first electrode line, the second electrode line；Two negative probes It is connect respectively with the first negative line, the second negative line by an automatic switch, positive probe, negative probe and the second anode The automatic switch that line, the first negative line connect is referred to as the first automatic switch group；It is first electrode line, the second electrode line, first negative Polar curve, the second negative line pass through automatic switch respectively and are connected with the first test bus, the second test bus, are referred to as second certainly Dynamic switching group；First test bus, the second test bus pass through automatic switch respectively and connect with multimeter, voltage resistant instrument, and the group is certainly Dynamic switch forms third automatic switch group.
- Test device before 2. a kind of battery modules according to claim 1 are welded, it is characterised in that: solid including 20 probes Determine block, 20 probe fixed blocks are arranged between the first electrode line, the second electrode line and the first negative line, the second negative line.
- Test device before 3. a kind of battery modules according to claim 1 are welded, it is characterised in that: also two external probes, External probe pass through respectively automatic switch be connected to the first test bus, second test bus on.
- Test device before 4. a kind of battery modules according to claim 1 are welded, it is characterised in that: the first automatic switch group, Automatic switch in second automatic switch group, third automatic switch group uses relay switch.
- Test device before 5. a kind of battery modules according to claim 1 are welded, it is characterised in that: every positive probe is born Fuse is set between automatic switch in pole probe and the first automatic switch group.
- Test device before 6. a kind of battery modules according to claim 1 are welded, it is characterised in that: multimeter, voltage resistant instrument with Fuse is set between the automatic switch of third automatic switch group.
- 7. a kind of battery modules weld preceding test method, the battery electrode column between neighboring unit cell is connected using busbar connector, feature Be: when test, an electrode uses two probes, forms two point tests, a probe is pressed on battery electrode column, another Root probe is pressed on busbar connector, before energization, determines whether busbar connector and monomer electricity in advance by the resistance of test two points test It whether reliable is electrically connected between pond；When energization, test voltage on two on same electrode probes with the presence or absence of voltage difference, Such as there is voltage difference, then terminates test.
- Test method before 8. a kind of battery modules according to claim 7 are welded, it is characterised in that: use claim 1 institute Test device is tested before a kind of battery modules stated are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301615.2A CN109342968A (en) | 2018-11-02 | 2018-11-02 | Test device and test method before a kind of battery modules are welded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811301615.2A CN109342968A (en) | 2018-11-02 | 2018-11-02 | Test device and test method before a kind of battery modules are welded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342968A true CN109342968A (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811301615.2A Pending CN109342968A (en) | 2018-11-02 | 2018-11-02 | Test device and test method before a kind of battery modules are welded |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111665442A (en) * | 2020-05-26 | 2020-09-15 | 上海电享信息科技有限公司 | Method for detecting connection quality of bus bar in series circuit in new energy lithium battery pack |
| CN111751689A (en) * | 2020-05-25 | 2020-10-09 | 福建星云电子股份有限公司 | Voltage withstand insulation test method for lithium battery module total positive electrode to shell |
-
2018
- 2018-11-02 CN CN201811301615.2A patent/CN109342968A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751689A (en) * | 2020-05-25 | 2020-10-09 | 福建星云电子股份有限公司 | Voltage withstand insulation test method for lithium battery module total positive electrode to shell |
| CN111665442A (en) * | 2020-05-26 | 2020-09-15 | 上海电享信息科技有限公司 | Method for detecting connection quality of bus bar in series circuit in new energy lithium battery pack |
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