CN217561678U - Power battery test system - Google Patents
Power battery test system Download PDFInfo
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- CN217561678U CN217561678U CN202122971869.9U CN202122971869U CN217561678U CN 217561678 U CN217561678 U CN 217561678U CN 202122971869 U CN202122971869 U CN 202122971869U CN 217561678 U CN217561678 U CN 217561678U
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 15
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 27
- 238000011161 development Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 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
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Abstract
The utility model discloses a power battery test system, include: the water-cooling type solar water-cooling power generation system comprises an upper computer, a central control module, an environment box, a charge-discharge module and a converter, wherein a power battery and a water-cooling machine are arranged in the environment box and are connected with each other, the central control module is respectively electrically connected with the upper computer, the environment box, the charge-discharge module and the water-cooling machine, the central control module is further connected with the power battery, the charge-discharge module is connected with the water-cooling machine through the converter, and the charge-discharge module is further connected with the power battery. The application can be used for testing the performance of charge and discharge of the power battery in the environments such as low temperature and high temperature and the like and the operation effect of heat management in the development stage of the power battery, replaces alpine and high-humidity test of the whole vehicle, does not need the whole vehicle to cooperate with the test, does not need to go to alpine or high-humidity environment, and can feed back the actual capacity of the power battery when the whole vehicle runs as a result.
Description
Technical Field
The application relates to the technical field of battery testing, in particular to a power battery testing system.
Background
The power battery test is an indispensable link in the development process of a power battery system, and generally requires simulation of high-low temperature charge and discharge tests and the like of the power battery in different temperature environments of the whole vehicle operation. In order to realize the test under different temperature environments, thermal management needs to be added to adjust the power battery, so that the normal work of the power battery is ensured. However, the addition of the thermal management also increases the load of the power battery, so that the process of testing the real performance of the power battery becomes complicated, and the performance of the power battery which is closer to the running environment of the whole vehicle is difficult to directly simulate and test. Therefore, the power battery needs to go directly to a high-cold and high-humidity and high-heat place to carry out the whole vehicle test in the development process at present.
Traditional power battery test uses the water-cooled generator through external power supply to carry out the heat pipe reason to power battery when high temperature and low temperature test, can't simulate out the performance state of battery when whole car operation completely. Meanwhile, the energy consumption and the environment of the water cooler arranged in the way are not consistent with the environment of the internal test of the whole vehicle, so that the performance data of the test cannot accurately reflect the use performance of the whole vehicle of the power battery.
Disclosure of Invention
In order to solve the above problem, the embodiment of the present application provides a power battery testing system.
In a first aspect, an embodiment of the present application provides a power battery testing system, where the system includes:
the water-cooling type solar water-cooling power generation system comprises an upper computer, a central control module, an environment box, a charge-discharge module and a converter, wherein a power battery and a water-cooling machine which are connected with each other are arranged in the environment box, the central control module is respectively electrically connected with the upper computer, the environment box, the charge-discharge module and the water-cooling machine, the central control module is further connected with the power battery, the charge-discharge module is connected with the water-cooling machine through the converter, and the charge-discharge module is further connected with the power battery.
Preferably, the central control module is electrically connected with the environment box through a first controller local area network, the central control module is electrically connected with the charge and discharge module through a second controller local area network, and the central control module is electrically connected with the water cooling machine through a third controller local area network.
Preferably, a power battery control module is arranged in the power battery.
Preferably, the central control module is connected with the power battery control module through a low-voltage wiring harness.
Preferably, the charge-discharge module is connected with the power battery through a high-voltage wire harness.
Preferably, the charging and discharging module is connected with the converter through a second wiring harness, and the converter is connected with the water cooling machine through a first wiring harness.
Preferably, the water cooling machine is connected with the power battery through a water cooling pipe.
Preferably, the environmental chamber is a walk-in high and low temperature chamber.
The utility model has the advantages that: the required environment temperature is provided for the power battery test through the environment box, the temperature of the power battery is adjusted according to the water cooling machine arranged in the environment box, the change of the temperature in the environment box and the charging or discharging of the power battery can be realized through the electric signal transmission of the central control module and the environment box and the electric signal transmission of the charging and discharging module to the power battery. The method can be used for testing the charging and discharging performance of the power battery in the environments of low temperature, high temperature and the like and the operation effect of heat management in the development stage of the power battery, replaces the high-cold and high-humidity test of the whole vehicle, does not need the matching test of the whole vehicle, does not need to go to the high-cold or high-humidity environment, and can feed back the actual capacity of the power battery in the running of the whole vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic system architecture diagram of a power battery testing system according to an embodiment of the present disclosure;
the system comprises a first controller area network 1, a second controller area network 2, a third controller area network 3, a low-voltage wire harness 4, a high-voltage wire harness 5, a first wire harness 6, a second wire harness 7, a water-cooling pipe 8, a host computer 100, a central control module 200, an environment box 300, a power battery 310, a power battery control module 311, a water-cooling machine 320, a charge-discharge module 400 and a converter 500.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides embodiments of the present application, where different embodiments may be substituted or combined, and thus the present application is intended to include all possible combinations of the same and/or different embodiments described. Thus, if one embodiment includes the feature A, B, C and another embodiment includes the feature B, D, then this application should also be considered to include embodiments that include all other possible combinations of one or more of A, B, C, D, although this embodiment may not be explicitly recited in text below.
The following description provides examples, and does not limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements described without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than the order described, and various steps may be added, omitted, or combined. Furthermore, features described with respect to some examples may be combined into other examples.
Referring to fig. 1, fig. 1 is a schematic system architecture diagram of a power battery testing system according to an embodiment of the present disclosure. In an embodiment of the present application, the system includes: the intelligent power supply system comprises an upper computer 100, a central control module 200, an environment box 300, a charging and discharging module 400 and a converter 500, wherein a power battery 310 and a water-cooling machine 320 are arranged in the environment box 300 and are connected with each other, the central control module 200 is respectively and electrically connected with the upper computer 100, the environment box 300, the charging and discharging module 400 and the water-cooling machine 320, the central control module 200 is further connected with the power battery 310, the charging and discharging module 400 is connected with the water-cooling machine 320 through the converter 500, and the charging and discharging module 400 is further connected with the power battery 310.
In an embodiment, the central control module 200 is electrically connected to the environmental chamber 300 through a first controller area network 1, the central control module 200 is electrically connected to the charge and discharge module 400 through a second controller area network 2, and the central control module 200 is electrically connected to the water cooler 320 through a third controller area network 3.
In one possible embodiment, a power battery control module 311 is disposed in the power battery 310.
In one possible embodiment, the central control module 200 is connected to the power battery control module 311 via a low voltage harness 4.
In one embodiment, the charge and discharge module 400 is connected to the power battery 310 through a high voltage wire harness 5.
In one embodiment, the charge and discharge module 400 is connected to the converter 500 through a second harness 7, and the converter 500 is connected to the water cooler 320 through a first harness 6.
In one possible embodiment, the water cooling machine 320 is connected to the power battery 310 through a water cooling pipe 8.
In one possible embodiment, the environmental chamber 300 is a walk-in high and low temperature chamber.
In the embodiment of the application, the walk-in high-low temperature box can be used for testing various performance indexes of parts and materials of related products such as electronics, electricians, automobile motorcycles, aerospace, ship weapons, universities, research institutions and the like under the condition of high-low temperature (alternating) cyclic change, and particularly the type of the walk-in high-low temperature box can be R-PT-80. The first controller area network 1, the second controller area network 2, and the third controller area network 3 may be the same area network or different area networks. The first wire harness 6 and the second wire harness 7 may be the same type (e.g., high-voltage type, low-voltage type) or different types of wire harnesses. The central control module 200 may be selected to have the model xp316. The charge-discharge module 400 may be selected as ST380CH04C0. The converter 500 may be selected for use with a MWF201 model. The model number of the power battery control module 311 is BQ25601RTWR. This application simulates out high and cold and high humid heat environment based on step-in high and low temperature case, and because water-cooling machine 320 and power battery 310 are all in step-in high and low temperature case, can simulate out the thermal management automatic control process of power battery when whole car operation, can replace the high and cold and the high humid heat test of whole car, and the actual ability of power battery when whole car operation can be fed back to the test result.
Specifically, the water cooling machine 320 is connected with the power battery 310 through the water cooling pipe 8, and the temperature of the battery can be adjusted in the test process. The central control module 200 can send different electrical signals to the walk-in type high and low temperature box in a local area network manner, so that the walk-in type high and low temperature box generates different environmental temperatures. The charging and discharging module 400 can charge or discharge the power battery 310 according to the electric signal transmitted from the lan by the central control module 200, and in order to charge or discharge the power battery 310, the two are connected by a high voltage wire harness. The upper computer 100 can store signals in the central control module 200. Converter 500 is used to control a model of the water cooler by interacting with the electrical signal of water cooler 320.
The working process of the application is as follows: when the walk-in high-low temperature box reaches the corresponding temperature, an electric signal is generated to perform signal interaction with the central control module 200, so that the central control module 200 performs signal interaction with the power battery control module 311 through the low-voltage wiring harness 4 to determine that the power battery 310 does not accord with the charging and discharging conditions. After the charging and discharging conditions are met, the power battery control module 311 makes the power battery 310 close the main positive relay and the main negative relay through electrical signal interaction. The central control module 200 performs signal interaction with the charge and discharge module 400, so that the charge and discharge module 400 charges or discharges the power battery 310 through the high voltage wire harness 5. Meanwhile, the water cooling machine 320 starts to work according to the electric signal transmitted from the central control module 200 through the local area network, and adjusts the temperature of the battery through the water cooling pipe 8 in the test process. In addition, the water cooler 320 will change its operating mode during start-up based on the electrical signal transmitted by the converter 500.
The above description is only an exemplary embodiment of the present disclosure, and the scope of the present disclosure should not be limited thereby. That is, all equivalent changes and modifications made in accordance with the teachings of the present disclosure are intended to be included within the scope of the present disclosure. Embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (8)
1. A power cell testing system, the system comprising: the intelligent power supply system comprises an upper computer (100), a central control module (200), an environment box (300), a charging and discharging module (400) and a converter (500), wherein a power battery (310) and a water cooler (320) which are connected with each other are arranged in the environment box (300), the central control module (200) is electrically connected with the upper computer (100), the environment box (300), the charging and discharging module (400) and the water cooler (320) respectively, the central control module (200) is further connected with the power battery (310), the charging and discharging module (400) is connected with the water cooler (320) through the converter (500), and the charging and discharging module (400) is further connected with the power battery (310).
2. The system of claim 1, wherein the central control module (200) is electrically connected to the environmental chamber (300) through a first controller area network (1), the central control module (200) is electrically connected to the charge and discharge module (400) through a second controller area network (2), and the central control module (200) is electrically connected to the water cooler (320) through a third controller area network (3).
3. The system according to claim 1, characterized in that a power battery control module (311) is arranged in the power battery (310).
4. A system according to claim 3, characterized in that the central control module (200) is connected with the power battery control module (311) by a low voltage harness (4).
5. The system according to claim 1, characterized in that the charge-discharge module (400) is connected with the power battery (310) by a high voltage wire harness (5).
6. The system of claim 1, wherein the charge and discharge module (400) is connected to the converter (500) via a second wiring harness (7), and wherein the converter (500) is connected to the water cooler (320) via a first wiring harness (6).
7. The system of claim 1, wherein the water-cooled machine (320) is connected to the power cell (310) through a water-cooled tube (8).
8. The system of claim 1, wherein the environmental chamber (300) is a walk-in high and low temperature chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971869.9U CN217561678U (en) | 2021-11-30 | 2021-11-30 | Power battery test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971869.9U CN217561678U (en) | 2021-11-30 | 2021-11-30 | Power battery test system |
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| CN217561678U true CN217561678U (en) | 2022-10-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806542A (en) * | 2019-12-06 | 2020-02-18 | 北京普莱德新能源电池科技有限公司 | Power battery testing system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806542A (en) * | 2019-12-06 | 2020-02-18 | 北京普莱德新能源电池科技有限公司 | Power battery testing system and method |
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Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Patentee before: Hozon New Energy Automobile Co., Ltd. |