CN207263896U - A kind of universal single lithium battery external short circuit experimental rig - Google Patents
A kind of universal single lithium battery external short circuit experimental rig Download PDFInfo
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- CN207263896U CN207263896U CN201721218688.6U CN201721218688U CN207263896U CN 207263896 U CN207263896 U CN 207263896U CN 201721218688 U CN201721218688 U CN 201721218688U CN 207263896 U CN207263896 U CN 207263896U
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- lithium battery
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Abstract
A kind of universal single lithium battery external short circuit experimental rig, including：At least two thermocouples, are mounted on the shell of mesuring battary positive and negative anodes annex respectively；Temperature indicator, the temperature measured for showing at least two thermocouple；Voltage display, for detecting the voltage between mesuring battary positive and negative anodes in real time；Wherein, which further includes test circuit, and for being set gradually from the cathode of mesuring battary, connection battery is just switching, relay and connection battery bear switch；Wherein, it is positive and negative electrode shorting member to connect battery just switch and connect battery to bear switch；Relay is the control unit for controlling short circuit outside lithium battery positive and negative anodes；Wherein, test circuit further includes control relay circuit, and control relay circuit includes DC power supply and test switchs；Wherein, test switch is used to control the cut-off/close of relay to act.The device of the utility model can monitor the different tests end condition of external short circuit experiment, and easily controllable.
Description
Technical field
This application involves technical field of lithium batteries, and in particular to a kind of universal single lithium battery external short circuit experiment dress
Put.
Background technology
Nowadays, since global petroleum resources continue the continuous deterioration in short supply with atmospheric environment, the exploitation of new energy
With using receiving the most attentions of countries in the world, lithium battery with its operating voltage is high, small, light weight, energy are high, without note
Recall effect, pollution-free, the distinctive performance advantage such as have extended cycle life, by one of preferable energy developed as 21 century.With
The development of science and technology and the raising of the people's material and cultural life level, the fast development of information and microelectronics industry are brought
A large amount of industrial, civilian, portable medical electronic product appearances, the development and exploitation of ev industry, and environment
The enhancing of protective awareness, people are to small, light-weight, high-energy, safe and reliable, pollution-free, can charge the lithium that uses repeatedly
The demand of battery is more urgent, also becomes the power for promoting lithium battery fast development.
In China, it is consumer that lithium battery has been widely used for laptop, tablet computer, mobile phone and mobile power etc.
In electronic product, but growth momentum it is the most powerful also surely belong to be applied to new-energy automobile field, field of lithium investment is risen
Sale with new-energy automobile is high-volume closely related.Overwhelming majority new-energy automobile uses lithium battery as power source, lithium at present
Battery cost is about the 50% of pure electric automobile cost, as the industries such as New-energy electric vehicle, electric bicycle are by state's housekeeping
Plan supports and develops rapidly that lithium battery industry will welcome the golden period of development.Should with the fast development and reality of lithium battery
With the safety problem of lithium battery is increasingly paid attention to by countries in the world.The developed countries such as Europe, the U.S. have put into effect more in succession
The peace of a series of lithium battery and battery pack is also formulated and issued to the examination criteria of a lithium battery, in this case, China
Full inspection surveys national standard, professional standard etc., and the product quality of specification lithium battery industry is carried out with this, and it is horizontal to improve industry development.
In lithium battery examination criteria at home and abroad, external short circuit experiment is all that the most important of lithium battery safety test must
Inspection project.But the experimental factor and scene considered due to various countries is slightly different so that is formulating the termination bar of external short circuit experiment
During part, the physical quantity of reference is not unique, and some is using some particular temperature value as experiment end condition, and some is with some specific voltage
It is worth to test end condition, this make it that experiment end condition is more chaotic when completing external short circuit experiment.It is also, existing at present
The single lithium battery external short circuit experimental rig of enforcement is simple monitoring temperature or only monitoring voltage, function are more single
One, it is impossible to while meet different requirements.In addition, the species of lithium battery and shape are various now, the appearance structure of single lithium battery
It can be divided into：Cylindrical type, square, Soft Roll type three types, and the external terminal difference of the single lithium battery of these three types compared with
Greatly, when carrying out external short circuit experiment, meet that the connection mode of different type lithium battery is also ratio using a kind of experimental rig
More difficult.
Therefore, in order to meet different demands, the different tests end condition of external short circuit experiment can be monitored, while can be fitted
With the demand of different appearance structure single lithium battery short-circuit tests.Need a kind of universal single lithium battery external short circuit experiment dress
Put, temperature or monitoring voltage can be monitored, and it is easily controllable.
The content of the invention
A variety of demands of different monitoring condition, the technical solution of the utility model are as follows during in order to meet test：
A kind of universal single lithium battery external short circuit experimental rig, including：
At least two thermocouples, are mounted on the shell of mesuring battary positive and negative anodes annex respectively, to be measured for detecting in real time
The temperature of battery positive and negative electrode；
Temperature indicator, the temperature measured for showing at least two thermocouple；
Voltage display, for detecting the voltage between mesuring battary positive and negative anodes in real time；
It is characterized in that, the device further includes test circuit；
Test circuit, for from the cathode of mesuring battary set gradually connection battery just switching, relay and connection
Battery bears switch；Wherein, it is positive and negative electrode shorting member to connect battery just switch and connect battery to bear switch；Relay is control
The control unit of short circuit outside lithium battery positive and negative anodes；Wherein, test circuit further includes control relay circuit, relay control electricity
Road includes DC power supply and test switchs；Wherein, test switch is used to control the cut-off/close of relay to act.
Wherein, the number of the temperature indicator is two, for showing the temperature of mesuring battary positive and negative anodes respectively.
The advantages of experimental rig, includes at least
1) present apparatus is first the monitoring of the case temperature of lithium battery, voltage monitoring, applied to single lithium battery external short circuit
In experiment, and achieve good effect；
2) the connecting portion part of the device is flexible, suitable for the single lithium battery of a variety of appearance structures, including：Cylinder
Type, square, Soft Roll type；
3) device meets the external short circuit test requirements document of a variety of lithium battery examination criterias both at home and abroad；
4) device volume is small, is convenient for carrying, is easy to popularize.
Brief description of the drawings
Fig. 1 is the schematic diagram of the universal single lithium battery external short circuit experimental rig of the utility model.
Embodiment
Single lithium battery external short circuit experimental rig schematic diagram is as shown in Figure 1, wherein, test battery is test specimen lithium electricity
Pond；Switch (connection battery is just born with connection battery) is the positive and negative electrode shorting member of external short circuit experimental rig；Relay is control
The control unit of short circuit outside lithium battery positive and negative anodes processed；Test switch is can to carry out the button of people in order to control, can control relay
The disconnection of device, closed action；Temperature indicator is monitoring temperature component (the temperature T1/T2 of display positive and negative anodes), and front end is thermoelectricity
It is even, (the mode of attachment thermocouple, easy to the battery terminal phase with any shape is mounted on the shell of lithium battery positive and negative anodes annex
Connection), real-time collecting temperature data；Voltage display and voltage test points are voltage monitoring components, before exterior short-circuit test
With collection voltages data after experiment.
The specific test method carried out using the experimental rig of the utility model may comprise steps of：
A), lithium battery is charged according to test method as defined in coherent detection standard, is placed on coherent detection standard regulation
Environment temperature in, the positive/negative external terminal of lithium battery is connected with the positive and negative anodes shorting member of external short circuit experimental rig respectively
Connect, and ensure to be connected firmly；
B), the thermocouple of 2 monitoring temperature is mounted on the shell of lithium battery positive and negative anodes annex respectively, checks that temperature is shown
Show the temperature value T1 and T2 on device, it is ensured that the thermocouple of 2 monitoring temperature is working properly；
C the test lead of monitoring voltage), is connected, checks the magnitude of voltage U on voltage display, it is ensured that the data of voltage monitoring
Normally；
D the test switch of external short circuit experimental rig), is acted so that the positive and negative anodes short circuit of lithium battery, is causing lithium battery just
The external short circuit of anode；
E it), will test and terminate according to one of following two conditions：
(1) experiment carries out a period of time, checks the temperature value on temperature indicator, and records the peak temperature of experiment, when
When lower than peak temperature 20% is dropped at a temperature of lithium battery, the test switch of external short circuit experimental rig, external short circuit are closed
Off-test；Or
(2) experiment carries out a period of time, checks the magnitude of voltage on voltage display, checks the temperature on temperature indicator
Value, when the magnitude of voltage of lithium battery is less than 0.2V, and/or lithium battery temperature is test ambient temperature ± 10 DEG C, is closed exterior short
The test switch of road test experiment device, external short circuit off-test.
Here the utility model description and application be illustrative, be not wishing to the scope of the utility model being limited in
State in embodiment.The deformation and change of embodiments disclosed herein are possible, for the ordinary skill people of those this areas
The replacement of embodiment and equivalent various parts are known for member.It should be appreciated by the person skilled in the art that do not taking off
In the case of spirit or essential characteristics from the utility model, the utility model can in other forms, structure, arrangement, ratio,
And realized with other components, material and component., can be to this in the case where not departing from the scope of the utility model and spirit
In disclosed embodiment carry out other deformations and change.
Claims (2)
1. a kind of universal single lithium battery external short circuit experimental rig, including：
At least two thermocouples, are mounted on the shell of mesuring battary positive and negative anodes annex respectively, for detecting mesuring battary in real time
The temperature of positive and negative electrode；
Temperature indicator, the temperature measured for showing at least two thermocouple；
Voltage display, for detecting the voltage between mesuring battary positive and negative anodes in real time；
It is characterized in that, the device further includes test circuit；
Test circuit, for from the cathode of mesuring battary set gradually connection battery just switching, relay and connection battery
Negative switch；Wherein, it is positive and negative electrode shorting member to connect battery just switch and connect battery to bear switch；Relay is control lithium electricity
The control unit of short circuit outside the positive and negative anodes of pond；Wherein, test circuit further includes control relay circuit, control relay circuit bag
Include DC power supply and test switchs；Wherein, test switch is used to control the cut-off/close of relay to act.
2. universal single lithium battery external short circuit experimental rig according to claim 1, it is characterised in that the temperature
The number of display is two, for showing the temperature of mesuring battary positive and negative anodes respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218688.6U CN207263896U (en) | 2017-09-21 | 2017-09-21 | A kind of universal single lithium battery external short circuit experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218688.6U CN207263896U (en) | 2017-09-21 | 2017-09-21 | A kind of universal single lithium battery external short circuit experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263896U true CN207263896U (en) | 2018-04-20 |
Family
ID=61918708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218688.6U Expired - Fee Related CN207263896U (en) | 2017-09-21 | 2017-09-21 | A kind of universal single lithium battery external short circuit experimental rig |
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| Country | Link |
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| CN (1) | CN207263896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946491A (en) * | 2021-01-22 | 2021-06-11 | 合肥国轩高科动力能源有限公司 | Device and method for testing safety of ternary lithium ion battery |
-
2017
- 2017-09-21 CN CN201721218688.6U patent/CN207263896U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946491A (en) * | 2021-01-22 | 2021-06-11 | 合肥国轩高科动力能源有限公司 | Device and method for testing safety of ternary lithium ion battery |
| CN112946491B (en) * | 2021-01-22 | 2023-04-28 | 合肥国轩高科动力能源有限公司 | Ternary lithium ion battery safety testing device and method |
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| Date | Code | Title | Description |
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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: 20180420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |