CN212648620U

CN212648620U - Test module and test device

Info

Publication number: CN212648620U
Application number: CN202021509470.8U
Authority: CN
Inventors: 蒙海斌; 李盘忠; 沙建荣; 廖能韦; 蔡远志; 李鹏程
Original assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Current assignee: Farasis Energy Ganzhou Co Ltd; Farasis Energy Zhenjiang Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-02
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a new forms of energy battery test technical field discloses a test module and testing arrangement, test module include control module (1) and can with control module (1) can dismantle first pencil (2) and second pencil (3) of connection, wherein, first pencil (2) are used for connecting the battery module, second pencil (3) are used for connecting battery management system, so that battery management system with the battery module can pass through control module (1), first pencil (2) and second pencil (3) electricity are connected. When testing different battery module of model specification, only need change in this application control module (1) can, need not change first pencil (2) and second pencil (3), but very big reduction purchasing cost and custody cost like this to the purchase cycle has been reduced.

Description

Test module and test device

Technical Field

The utility model relates to a new energy battery tests technical field, specifically relates to a test module and testing arrangement.

Background

At present, a plurality of new projects exist in the research and development of different standard modules of new energy, each project needs to correspond to one set of test wiring harness when performing performance test, and even when the definition of a battery module changes in different stages of the same project, the whole set of test wiring harness needs to be made again. Because the test pencil with high costs, purchase cycle length, occupation space are big and be difficult for preserving, consequently, need set up a test module, utilize this test module, can realize the test to the battery module of different projects or the battery module of same project in different stages, can effective reduce cost, shorten purchase cycle and easily preserve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the battery module that prior art exists and changing need do a whole set of test pencil again, and the problem that the cost is high, purchase cycle is long, occupation space is big and be difficult for preserving of pencil provides a test module, and this test module is just having with low costs, purchase cycle is short, occupation space is little and preserve easily at the battery module that can satisfy the different specification models of test.

In order to achieve the above object, the utility model provides a test module, test module include control module and can with control module can dismantle the first pencil and the second pencil of connection, wherein, first pencil is used for connecting the battery module, the second pencil is used for connecting battery management system, so that battery management system with the battery module can pass through control module, first pencil and second pencil electricity are connected.

Further, the control module comprises a plate-shaped main body and a control circuit which is fixed on the plate-shaped main body and used for matching the corresponding battery management system with the corresponding battery module.

Further, the control circuit is printed on the plate-like body.

Further, the control module comprises a first fixed joint, and a first movable joint inserted with the first fixed joint is arranged at the first end of the first wire harness; and the second end of the first wire harness is used for connecting the battery module.

Further, the control circuit includes a first connector lug leading to the first wiring harness, and the first fixed connector includes a first pin structure capable of conducting electricity and matching with the first connector lug, and the first pin structure is welded with the first connector lug.

Further, the control module comprises a second fixed joint, and a second movable joint inserted with the second fixed joint is arranged at the first end of the second wire harness; and the second end of the second wire harness is used for connecting the battery management system.

Further, the control circuit includes a second connector lug leading to the second wiring harness, and the second fixed connector includes a second pin structure capable of conducting electricity and matching with the second connector lug, and the second pin structure is welded with the second connector lug.

Further, the test module comprises a plurality of first wire harnesses, and a first end of each first wire harness is simultaneously connected with the control module; the battery modules connected with the second end of each first wire harness are identical in model and specification.

Further, the test module comprises a plurality of control modules which are connected between the first wire harness and the second wire harness in a replaceable mode and used for testing the battery modules with different models and specifications.

The utility model discloses the second aspect provides a testing arrangement, testing arrangement includes according to above test module.

Through above-mentioned technical scheme, through passing through control module detachable with first pencil and second pencil and connecting, when the different battery module of test model specification, only need change control module can, need not change first pencil and second pencil, but very big reduction purchasing cost and custody cost have reduced the purchase cycle like this.

Drawings

Fig. 1 is a schematic structural diagram of a test module according to an embodiment of the present invention.

Description of the reference numerals

1-a control module; 2-a first wire harness; 5-a second connection unit; 52-a second moving joint; 51-a second fixed joint; 3-a second wire harness; 4-a first connection unit; 41-a first fixed joint; 42-a first moving joint; 411-a first pin structure; 511-second lead structure.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the utility model provides a test module, test module include control module 1 and can with control module 1 can dismantle first pencil 2 and the second pencil 3 of connection, wherein, first pencil 2 is used for connecting the battery module, second pencil 3 is used for connecting battery management system, so that battery management system with the battery module can pass through control module 1, first pencil 2 and second pencil 3 electricity are connected. Because there is different cluster and parallel numbers in the battery module of difference, so the battery module quantity of every interface management and control is also inconsistent on battery management system, through above-mentioned technical scheme, through connecting

first pencil

2 and 3 detachable of second pencil on control module 1, different at the test model specification, or the different battery module of interface definition, or the battery module quantity of battery management system management is different, only need to change control module 1 can, need not change first pencil 2 and second pencil 3, very big reduction purchase cost and custody cost like this, the purchase cycle has been reduced. The battery management system is mainly used for intelligently managing and maintaining each battery module, preventing overcharge or overdischarge, prolonging the service life of the battery module and monitoring the state of the battery module. The second wire harness 3 is defined as an extension of the interface of the battery management system, and all the interfaces of the battery management system are connected to the control module 1 through the second wire harness 3. The first wire harness 2 is defined as an extension of an interface of the battery module, and the interfaces corresponding to the connector types of the battery module are all connected to the control module 1 through the first wire harness 2. The battery management system manages the number of battery modules, and different interface definitions can be implemented on the control module 1. The control module 1 is added on the wiring harness from each interface of the corresponding battery management system to the battery module end, and aiming at the battery management systems with different models and specifications, under the condition that the interface definitions of the battery modules are different, the control module 1 can be directly replaced, and the distribution of the battery module definitions can be directly realized through the control module 1.

Preferably, the control module 1 includes a plate-shaped body 11 and a control circuit fixed on the plate-shaped body 11 for matching the corresponding battery management system and the battery module. By arranging the control circuit, the interface of the battery management system can be matched with the interface of the battery module.

Preferably, the control circuit is printed on the plate-like body 11. The method can reduce the wiring between the battery management system and the battery module and reduce the manufacturing cost. Wherein the wires in the control circuit may be arranged to be concentrated on one face of the plate-like body 11. The wires in the control circuit may be arranged to be concentrated on both sides of the plate-shaped body 11, and the wires on both sides of the plate-shaped body 11 may be connected by providing a plurality of via holes on both sides of the plate-shaped body 11 and filling or coating the via holes with metal. It is also possible to provide the plate-like body 11 to be composed of a plurality of thin plates, with the leads of the control circuit being arranged on one or both sides of each thin plate, respectively.

Preferably, the control module 1 comprises a first fixed joint 41, which is simple in structure and can ensure the connection reliability between the first fixed joint 41 and the control module 1; a first movable joint 42 inserted with the first fixed joint 41 is arranged at the first end of the first wire harness 2; the second end of the first wire harness 2 is used for connecting the battery module. Wherein, first fixed joint 41 and first movable joint 42 form the first connecting unit 4 that links together control module 1 and first pencil 2, and first connecting unit 4 sets up to peg graft and is favorable to improving the speed of connecting battery module and first pencil 2 when the tester tests, improves work efficiency.

Preferably, the control circuit comprises a first connector lug leading to the first wiring harness 2, the first fixed connector 41 comprises a first pin structure 411 capable of conducting electricity and matching with the first connector lug, and the first pin structure 411 is welded with the first connector lug. The welding is favorable for ensuring the reliable connection between the first fixed joint 41 and the first connector lug and ensuring the smooth circuit among the control circuit, the battery management system and the battery module.

Preferably, the control module 1 includes a second fixed joint 51, and a first end of the second wire harness 3 is provided with a second movable joint 52 inserted into the second fixed joint 51; the second end of the second harness 3 is used for connecting the battery management system. Wherein the second fixed joint 51 and the second movable joint 52 form a second connecting unit 5 that connects the control module 1 and the second harness 3 together; the second connection unit 5 is arranged to be inserted to be beneficial to improving the connection between the battery management system and the second wire harness 3 when a tester tests, and the working efficiency is improved.

Preferably, the control circuit comprises a second terminal to the second harness 3, the second fixed contact 51 comprises a second pin structure 511 capable of conducting electricity and matching with the second terminal, and the second pin structure 511 is welded with the second terminal. The welding is favorable for ensuring the reliable connection between the second fixed connector 51 and the second connector lug and ensuring the smooth circuit among the control circuit, the battery management system and the battery module.

Preferably, the test module comprises a plurality of first harnesses 2, and a first end of each first harness 2 is simultaneously connected with the control module 1; the model and specification of the battery module connected with the second end of each first wire harness 2 are the same. The model specifications of a plurality of battery modules in the same battery package are the same, and through setting up a plurality of first restraints 2, can test all battery modules in the same battery package.

Preferably, the test module includes a plurality of the control modules replaceably connected between the first and

second harnesses

2 and 3 for testing the battery modules of different model specifications. Through setting up like this, when the model specification of battery module changes or the interface definition of battery module or the quantity of the battery module of battery management system management changes, only need change control module 1 make battery management system's interface and battery management's interface match can, need not change first pencil 2 and second pencil 3, can practice thrift the fund by a wide margin like this, shorten the purchase cycle. For example, if the method of replacing the wiring harness is adopted, the cost of replacing a set of new testing wiring harness is 1500-2000 yuan, and the replaced wiring harness can only be discarded, which causes great waste. If the test module is adopted, only the control module 1 arranged between the first wire harness 2 and the second wire harness 3 needs to be replaced by keeping the first wire harness 2 and the second wire harness 3 unchanged, which approximately needs 100 plus 200 elements, so that the cost is greatly saved, and compared with the prior art, the volume of the control module 1 is smaller, so that the storage space is greatly reduced. Furthermore, the purchasing period of the whole set of wiring harness needs 10-15 days, while the purchasing period adopting the control module 1 only needs 5-7 days, so that the purchasing period is greatly shortened.

The technical advantages of the test device are the same as those of the test module, and are not described herein again.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A test module is characterized by comprising a control module (1) and a first wire harness (2) and a second wire harness (3) which can be detachably connected with the control module (1), wherein the first wire harness (2) is used for connecting a battery module, and the second wire harness (3) is used for connecting a battery management system, so that the battery management system and the battery module can be electrically connected through the control module (1), the first wire harness (2) and the second wire harness (3).

2. The test module according to claim 1, characterized in that the control module (1) comprises a plate-like body (11) and a control circuit fixed on the plate-like body (11) for the matching of the corresponding battery management system and battery module.

3. Test module according to claim 2, characterized in that the control circuit is printed on the plate-like body (11).

4. The test module according to claim 2, characterized in that the control module (1) comprises a first fixed joint (41), the first end of the first wiring harness (2) being provided with a first mobile joint (42) which is plugged with the first fixed joint (41); and the second end of the first wire harness (2) is used for connecting the battery module.

5. A test module according to claim 4, characterized in that the control circuit comprises a first terminal to the first wire harness (2), the first fixed contact (41) comprising a first pin structure (411) which is electrically conductive and which mates with the first terminal, the first pin structure (411) being soldered to the first terminal.

6. The test module according to claim 2, characterized in that the control module (1) comprises a second fixed joint (51), the first end of the second wiring harness (3) being provided with a second mobile joint (52) plugging the second fixed joint (51); the second end of the second wire harness (3) is used for connecting the battery management system.

7. The test module according to claim 6, characterized in that the control circuit comprises a second terminal to the second wire harness (3), the second fixed contact (51) comprising a second pin structure (511) capable of conducting electricity and mating with the second terminal, the second pin structure (511) being soldered to the second terminal.

8. The test module according to claim 7, characterized in that it comprises a plurality of first harnesses (2), a first end of each first harness (2) being connected to the control module (1) simultaneously; the model and the specification of the battery module connected with the second end of each first wire harness (2) are the same.

9. The test module according to any one of claims 1 to 8, characterized in that the test module comprises a plurality of the control modules (1) replaceably connected between the first wire harness (2) and the second wire harness (3) for testing the battery modules of different model specifications.

10. A testing device, characterized in that it comprises a testing module according to any one of claims 1-9.