CN106450530A - Battery module testing system and method - Google Patents
Battery module testing system and method Download PDFInfo
- Publication number
- CN106450530A CN106450530A CN201611159076.4A CN201611159076A CN106450530A CN 106450530 A CN106450530 A CN 106450530A CN 201611159076 A CN201611159076 A CN 201611159076A CN 106450530 A CN106450530 A CN 106450530A
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- CN
- China
- Prior art keywords
- mesuring battary
- battery modules
- module
- battery module
- temperature value
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- 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.)
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Classifications
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- 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
Abstract
The invention provides a battery module testing system and method. The battery module testing system comprises an upper computer, battery charging and discharging equipment and a thermal imager, wherein the battery charging and discharging equipment is used for performing pulse discharging on a to-be-tested battery module in preset time according to a control instruction transmitted by the upper computer; the thermal imager is located above the to-be-tested battery module and used for monitoring the temperatures of multiple preset areas in the to-be-tested battery module and reporting the temperatures to the upper computer when the battery charging and discharging equipment performs the pulse discharging on the to-be-tested battery module, and each preset area is connecting area between every two adjacent single batteries in the to-be-tested battery module; the upper computer respectively compares the acquired temperatures with a preset threshold, and if an abnormal temperature larger than the preset threshold exists, the upper computer records the position of the preset area corresponding to the abnormal temperature and transmits an alarm signal. The battery module testing system has the advantages that the connecting state between every two single batteries in the battery module can be detected, and the occurrence probability of a heating phenomenon during the use of the battery module is lowered effectively.
Description
Technical field
The present invention relates to batteries of electric automobile monitoring technical field, more particularly to a kind of battery modules test system and side
Method.
Background technology
Electrokinetic cell is the power resources of electric automobile, with the promotion and application of electric automobile, the stable performance of battery
Whether operation persistence and the safety of electric automobile are related to, and the capacity so as to electrokinetic cell and power supply performance become people pass
The emphasis of note.
Series-parallel system set of the electrokinetic cell system by cell through certain way is formed, wherein between cell
Using bus busbar by welding or screw connection manner connection, but be easily caused connection as operational error or technique are immature can not
Lean on so that electrokinetic cell system can produce abnormal heating phenomenon in use, serious meeting causes security incident.
Content of the invention
It is an object of the invention to provide a kind of battery modules test system and method, such that it is able to solve in prior art
When cell connection in battery modules is unreliable, the abnormal heating problem for producing in use.
In order to solve above-mentioned technical problem, the embodiment of the present invention is adopted the following technical scheme that：
A kind of battery modules test system, including：
Host computer；
Battery charging and discharging equipment, for the control instruction for being sent according to the host computer, to electricity to be measured in Preset Time
Pond module carries out pulsed discharge；
Thermal imaging system above the mesuring battary module, in the battery charging and discharging equipment to the electricity to be measured
When pond module carries out pulsed discharge, the temperature value of multiple predeterminable areas in the mesuring battary module is monitored, and will be multiple described
Temperature value reports to the host computer, and the predeterminable area is in the mesuring battary module between two neighboring cell
Join domain；
The host computer will get multiple temperature values and compare with predetermined threshold value respectively, if existing default more than described
During the abnormal temperature value of threshold value, record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
Wherein, the battery modules test system also includes：
Battery modules information scanning device, for by the typing of the module of mesuring battary module coding to described upper
Machine.
Wherein, the host computer includes：
Clock synchronization unit, for generating synchronizing clock signals, makes the battery charging and discharging equipment according to the control
The pulsed discharge to the mesuring battary module is instructed with the thermal imaging system to multiple predeterminable areas in the mesuring battary module
Temperature value detection synchronization.
Wherein, the observation interface of the thermal imaging system is spatially to correspond with the position of multiple predeterminable areas
Grid interface.
Wherein, the mesuring battary module is located on conveyer belt.
Wherein, the battery modules information scanning device is barcode scanning gun.
The present invention also provides a kind of battery modules method of testing, is applied to host computer as described above, including：
Sending to battery charging and discharging equipment makes the battery charging and discharging equipment enter battery modules to be measured in Preset Time
The control instruction of horizontal pulse electric discharge；
Receiving thermal imaging system is carried out to the mesuring battary module according to the control instruction in the battery charging and discharging equipment
During pulsed discharge, the temperature value of multiple predeterminable areas in the mesuring battary module for detecting, the predeterminable area is described
Join domain in mesuring battary module between two neighboring cell；
Multiple temperature values are compared with predetermined threshold value respectively, if there is the abnormal temperature value more than the predetermined threshold value
When, record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
Wherein, thermal imaging system is received in the battery charging and discharging equipment according to the control instruction to the mesuring battary module
When carrying out pulsed discharge, in the mesuring battary module for detecting the step of the temperature value of multiple predeterminable areas before, described
Method also includes：
The synchronous battery charging and discharging equipment is generated in the pulse according to the control instruction to the mesuring battary module
Synchronizing clock signals of the electric discharge with the thermal imaging system to the detection of the temperature value of multiple predeterminable areas in the mesuring battary module.
The having the beneficial effect that of the technique scheme of the present invention：
Thermal imagery in the such scheme of the embodiment of the present invention, in battery modules test system above mesuring battary module
The temperature of instrument monitoring join domain of the battery charging and discharging equipment in discharge process in battery modules between two neighboring cell
The temperature value of those join domains and predetermined threshold value are compared by angle value by host computer, determine the connection of temperature value exception
Region, and alarm signal is sent to tester.The present invention can be on the premise of battery modules state not be affected, quickly and easily
The connection status between cell in battery modules is detected, can effectively be reduced battery modules exception in use and send out
The probability of happening of thermal phenomenon.
Description of the drawings
Fig. 1 is one of block schematic illustration of battery modules test system of the embodiment of the present invention；
Fig. 2 is the two of the block schematic illustration of the battery modules test system of the embodiment of the present invention；
Fig. 3 is the basic step schematic diagram of the battery modules method of testing of the embodiment of the present invention；
Fig. 4 is the pulsed discharge schematic diagram of battery charging and discharging equipment in the battery modules test system of the embodiment of the present invention.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
First embodiment
As shown in figure 1, the invention discloses a kind of battery modules test system, including：
Host computer；
Battery charging and discharging equipment, for the control instruction for being sent according to the host computer, to electricity to be measured in Preset Time
Pond module carries out pulsed discharge；
Thermal imaging system above the mesuring battary module, in the battery charging and discharging equipment to the electricity to be measured
When pond module carries out pulsed discharge, the temperature value of multiple predeterminable areas in the mesuring battary module is monitored, and will be multiple described
Temperature value reports to the host computer, and the predeterminable area is in the mesuring battary module between two neighboring cell
Join domain；
The host computer will get multiple temperature values and compare with predetermined threshold value respectively, if existing default more than described
During the abnormal temperature value of threshold value, record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
Here, host computer is electrically connected with battery charging and discharging equipment and thermal imaging system respectively, the both positive and negative polarity of battery charging and discharging equipment
Total positive pole of mesuring battary module and total negative pole are correspondingly connected to by connecting line.
It should be noted that the battery modules test system monitoring of the present invention is two neighboring list in mesuring battary module
Join domain between body battery, it is, the connection status between two neighboring cell.
If there is the abnormal temperature value more than the predetermined threshold value, show the company between corresponding two neighboring cell
Exception is connect, such as, it is not firm or not connected to connect.
Preferably, as shown in Fig. 2 the battery modules test system of the present invention also includes：Battery modules information scanning device,
For by the module coding typing of the mesuring battary module to the host computer.
Need exist for explanation, mesuring battary module be previously provided with module coding, module coding be for recognizing electricity
The exclusive identification code of pond module.Here, the form of module coding is not limited, and can be bar code or Quick Response Code, and other are permissible certainly
Can all be adopted by the module coding of battery modules information scanning device identification.
Here, battery modules information scanning device and upper mechatronics, the mesuring battary module that scanning can be obtained
The typing of module coding so, is easy to host computer, according to module coding, battery modules to be measured are carried out with information trace to host computer, will
The qualified information of the mesuring battary module for monitoring or fault message and module coding carry out corresponding.
Preferably, the battery modules information scanning device of the embodiment of the present invention is barcode scanning gun.
Specifically, the host computer of the embodiment of the present invention includes：Clock synchronization unit, for generating synchronizing clock signals, makes
The battery charging and discharging equipment is in pulsed discharge and the thermal imaging system according to the control instruction to the mesuring battary module
Detection synchronization to the temperature value of multiple predeterminable areas in the mesuring battary module.
It should be noted that clock synchronization unit can ensure pulsed discharge of the battery charging and discharging equipment to battery modules to be measured
With thermal imaging system, the temperature value detection of multiple predeterminable areas in battery modules to be measured is synchronously carried out.
Specifically, the observation interface of the thermal imaging system of the embodiment of the present invention is place spatially with multiple predeterminable areas
The one-to-one grid interface in position.
Here need to further illustrate, artificially the position of multiple predeterminable areas can be numbered, that is, right
Join domain in mesuring battary module between two neighboring cell is numbered；By software design on thermal imaging system
Corresponding numbering is also done at grid interface.
That is, on thermal imaging system the numbering at each grid interface and the predeterminable area of corresponding mesuring battary module volume
Number consistent, so, in the predeterminable area temperature anomaly of mesuring battary module, the numbering that host computer can pass through grid interface is quick
The temperature anomaly region of positioning mesuring battary module, is easy to tester quickly to search abort situation.
Preferably, the mesuring battary module of the embodiment of the present invention is located on conveyer belt.
Here, the mesuring battary module for currently assembling is sent to by conveyer belt specifies monitoring position, when the electricity to be measured
After pond module has been tested, next station is delivered to by conveyer belt, while next mesuring battary module is transmitted further through conveyer belt
Monitoring position is specified to this, in this way, the testing time of mesuring battary module is saved, improve the testing efficiency of mesuring battary module.
Second embodiment
As shown in figure 3, the embodiment of the present invention also provides a kind of battery modules method of testing, it is applied to as above-mentioned embodiment institute
Host computer in the battery modules test system that states, including：
Step 101, sending to battery charging and discharging equipment makes the battery charging and discharging equipment to electricity to be measured in Preset Time
Pond module carries out the control instruction of pulsed discharge.
Here illustrate, as shown in figure 4, the pulsed discharge schematic diagram for battery charging and discharging equipment.Wherein, in figure transverse axis
Time t (unit second) is represented, the longitudinal axis represents voltage V (unit volt).
Before starting battery modules test system and being tested, 10s is first stood, host computer sends control instruction afterwards, makes
After battery charging and discharging equipment is with maximum allowable impulse discharge current electric discharge 30s, stands 10s again, terminate test.
It should be noted that in this example before being tested, standing a period of time, be in order to gather initial voltage, be easy to
Subsequent calculations；While reserving certain reflecting time to the equipment in battery modules test system.
Step 102, receives thermal imaging system in the battery charging and discharging equipment according to the control instruction to the mesuring battary
When module carries out pulsed discharge, the temperature value of multiple predeterminable areas, the preset areas in the mesuring battary module for detecting
Domain is the join domain in the mesuring battary module between two neighboring cell.
Here, it is preferred that, before this step, the method for the embodiment of the present invention may also include the steps of：
The synchronous battery charging and discharging equipment is generated in the pulse according to the control instruction to the mesuring battary module
Synchronizing clock signals of the electric discharge with the thermal imaging system to the detection of the temperature value of multiple predeterminable areas in the mesuring battary module.
It should be noted that the purpose of synchronizing clock signals is to ensure arteries and veins of the battery charging and discharging equipment to battery modules to be measured
Impulse electricity and thermal imaging system are synchronously carried out to the temperature value detection of multiple predeterminable areas in battery modules to be measured.
Step 103, multiple temperature values are compared with predetermined threshold value respectively, if existing different more than the predetermined threshold value
During room temperature angle value, record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
Here, still by taking the citing in step 101 as an example, the criterion of temperature anomaly is：Monitoring in pulsed discharge 30s
The temperature value of each predeterminable area is compared with predetermined threshold value, and the temperature difference exceedes uniform temperature, such as 2 DEG C -5 DEG C, is then judged to temperature anomaly；
Conversely, then temperature is not abnormal.
Here, the heating principle of the predeterminable area of mesuring battary module is as follows：
Caloric value Q=I2Rt, wherein, it is resistance value that I is discharge current, r, and t is discharge time.
Temperature rise △ T=Q/Cm, wherein Q are caloric value, and it is thermal objects quality that C is thermal objects specific heat capacity, m.
To sum up, △ T=I2Rt/Cm, or r=△ T*Cm/I2T, in formula, C, m, I, t are all definite values, and △ T can be by electricity
The monitoring of pond module group test system is measured.
Here, alarm signal is used for pointing out tester, and its form can have multiple, such as audio alert, the tinkle of bells warning etc..
Battery modules method of testing provided in an embodiment of the present invention, sending control instruction makes battery charging and discharging equipment default
While pulsed discharge being carried out to battery modules to be measured in time, receive many in the mesuring battary module that thermal imaging system is detected
The temperature value of individual predeterminable area, by comparing multiple temperature values with predetermined threshold value respectively, corresponding to abnormal temperature value default
The positional information in region is recorded and is sent alarm signal, can be on the premise of battery modules state is not affected, rapid and convenient
Detect connection status in battery modules between cell, can effectively reduce battery modules exception in use
The probability of happening of fever phenomenon.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of battery modules test system, it is characterised in that include：
Host computer；
Battery charging and discharging equipment, for the control instruction for being sent according to the host computer, to mesuring battary mould in Preset Time
Group carries out pulsed discharge；
Thermal imaging system above the mesuring battary module, in the battery charging and discharging equipment to the mesuring battary mould
When group carries out pulsed discharge, the temperature value of multiple predeterminable areas in the mesuring battary module monitored, and by multiple temperature
Value reports to the host computer, and the predeterminable area is the connection in the mesuring battary module between two neighboring cell
Region；
The host computer will get multiple temperature values and compare with predetermined threshold value respectively, if exist being more than the predetermined threshold value
Abnormal temperature value when, record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
2. battery modules test system according to claim 1, it is characterised in that also include：
Battery modules information scanning device, for by the module coding typing of the mesuring battary module to the host computer.
3. battery modules test system according to claim 1, it is characterised in that the host computer includes：
Clock synchronization unit, for generating synchronizing clock signals, makes the battery charging and discharging equipment according to the control instruction
Temperature to the pulsed discharge of the mesuring battary module with the thermal imaging system to multiple predeterminable areas in the mesuring battary module
The detection synchronization of angle value.
4. battery modules test system according to claim 1, it is characterised in that the observation interface of the thermal imaging system is sky
Between on the one-to-one grid interface in the position of multiple predeterminable areas.
5. battery modules test system according to claim 1, it is characterised in that the mesuring battary module is located at transmission
On band.
6. battery modules test system according to claim 2, it is characterised in that the battery modules information scanning device
For barcode scanning gun.
7. a kind of battery modules method of testing, the host computer being applied to as described in any one of claim 1～6, it is characterised in that
Including：
Sending to battery charging and discharging equipment makes the battery charging and discharging equipment carry out arteries and veins to battery modules to be measured in Preset Time
The control instruction of impulse electricity；
Receive thermal imaging system, in the battery charging and discharging equipment, horizontal pulse is entered to the mesuring battary module according to the control instruction
During electric discharge, the temperature value of multiple predeterminable areas in the mesuring battary module for detecting, the predeterminable area is described to be measured
Join domain in battery modules between two neighboring cell；
Multiple temperature values are compared with predetermined threshold value respectively, if there is the abnormal temperature value more than the predetermined threshold value,
Record the positional information of the corresponding predeterminable area of the abnormal temperature value and send alarm signal.
8. battery modules method of testing according to claim 7, it is characterised in that receive thermal imaging system in the battery charge and discharge
When electric equipment carries out pulsed discharge according to the control instruction to the mesuring battary module, the mesuring battary mould that detects
In group the step of the temperature value of multiple predeterminable areas before, methods described also includes：
The synchronous battery charging and discharging equipment is generated in the pulsed discharge according to the control instruction to the mesuring battary module
With synchronizing clock signals of the thermal imaging system to the detection of the temperature value of multiple predeterminable areas in the mesuring battary module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611159076.4A CN106450530A (en) | 2016-12-15 | 2016-12-15 | Battery module testing system and method |
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|---|---|---|---|
| CN201611159076.4A CN106450530A (en) | 2016-12-15 | 2016-12-15 | Battery module testing system and method |
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| CN201611159076.4A Pending CN106450530A (en) | 2016-12-15 | 2016-12-15 | Battery module testing system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107390583A (en) * | 2017-07-31 | 2017-11-24 | 广州思林杰网络科技有限公司 | The control method of tester is miniaturized |
| CN109540967A (en) * | 2017-11-30 | 2019-03-29 | 蜂巢能源科技有限公司 | Weld quality prediction system and method |
| CN110567583A (en) * | 2019-07-16 | 2019-12-13 | 浙江工业大学 | Energy storage battery stack three-dimensional temperature visualization method based on infrared image |
| CN111257394A (en) * | 2018-12-31 | 2020-06-09 | 深圳硅基传感科技有限公司 | Test platform for testing consistency of electrochemical parameters |
| WO2022198469A1 (en) * | 2021-03-24 | 2022-09-29 | 华为数字能源技术有限公司 | Energy storage system, battery monitoring method, and energy storage device |
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Application publication date: 20170222 |