CN213026819U - DB line for testing lithium battery pack - Google Patents
DB line for testing lithium battery pack Download PDFInfo
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- CN213026819U CN213026819U CN202021516488.0U CN202021516488U CN213026819U CN 213026819 U CN213026819 U CN 213026819U CN 202021516488 U CN202021516488 U CN 202021516488U CN 213026819 U CN213026819 U CN 213026819U
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- group
- joint
- shielding layer
- lead
- lead group
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000005070 sampling Methods 0.000 description 15
- 101700046291 PACK Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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Abstract
The utility model provides a DB line that is used for lithium cell group to test of lithium cell group test technical field, include: a first joint; a second joint; one end of the first lead group is connected with the first joint, and the other end of the first lead group is connected with the second joint; one end of the second lead group is connected with the first joint, and the other end of the second lead group is connected with the second joint; one end of the third lead group is connected with the first joint, and the other end of the third lead group is connected with the second joint; the first shielding layer wraps the first lead group; the second shielding layer wraps the second wire group; a third shielding layer wrapping the third wire group; and the insulating layer wraps the first lead group, the second lead group, the third lead group, the first shielding layer, the second shielding layer and the third shielding layer. The utility model has the advantages that: signal interference is avoided, and the stability of signal transmission is greatly improved.
Description
Technical Field
The utility model relates to a lithium cell group test technical field indicates a DB line that is used for lithium cell group to test very much.
Background
In the process of application and assembly of the lithium battery pack, various tests need to be carried out on the lithium battery pack in order to guarantee safety, only one output port is arranged in order to facilitate the test, installation and maintenance of the lithium battery pack, and then one DB line is used for connecting test equipment for testing.
Because only one output port is arranged, the output port needs to bear all test signals, including a large current signal, an alternating current signal, a precise voltage sampling signal, a tiny current sampling signal, a communication signal and the like, and a plurality of wires of the traditional DB line are directly arranged in an insulating layer, so that large interference exists among wires for transmitting different signals, and particularly large space radiation interference is generated on the precise voltage sampling signal, the tiny current sampling signal and the communication signal.
Therefore, how to provide a DB line for a lithium battery pack test to avoid signal interference and improve signal transmission stability is an urgent problem to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a DB line for lithium cell group test, realizes avoiding signal interference, promotes signal transmission's stability.
The utility model discloses a realize like this: the utility model provides a DB line for lithium cell group test which characterized in that: the method comprises the following steps:
a first joint;
a second joint;
one end of the first lead group is connected with the first joint, and the other end of the first lead group is connected with the second joint;
one end of the second lead group is connected with the first joint, and the other end of the second lead group is connected with the second joint;
one end of the third lead group is connected with the first joint, and the other end of the third lead group is connected with the second joint;
the first shielding layer wraps the first lead group;
the second shielding layer wraps the second wire group;
a third shielding layer wrapping the third wire group;
and the insulating layer wraps the first lead group, the second lead group, the third lead group, the first shielding layer, the second shielding layer and the third shielding layer.
Further, the first joint and the second joint are both a DB male joint or a DB female joint.
Further, the first wire group includes 48 first wires, and one end of each first wire is sequentially connected to pins 1 to 12, 21 to 32, 40 to 51, and 60 to 71 of the first connector, and the other end of each first wire is sequentially connected to pins 1 to 12, 21 to 32, 40 to 51, and 60 to 71 of the second connector.
Further, the second wire group includes 20 second wires, and one end of each of the second wires is sequentially connected to the pins 13 to 17, 33 to 37, 52 to 56, and 72 to 76 of the first connector, and the other end of each of the second wires is sequentially connected to the pins 13 to 17, 33 to 37, 52 to 56, and 72 to 76 of the second connector.
Further, the third wire group includes 10 third wires, one end of each of the third wires is sequentially connected to the pins 18, 19, 20, 38, 39, 57, 58, 59, 77, and 78 of the first connector, and the other end of each of the third wires is sequentially connected to the pins 18, 19, 20, 38, 39, 57, 58, 59, 77, and 78 of the second connector.
The utility model has the advantages that:
divide into first wire group, second wire group and third wire group through the category according to transmission signal to wrap up first shielding layer, second shielding layer and third shielding layer outside first wire group, second wire group and third wire group respectively, make first wire group, the signal of second wire group and third wire inter-group transmission can not produce the interference, realize avoiding signal interference promptly, very big promotion signal transmission's stability.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a DB line for testing a lithium battery pack according to the present invention.
Fig. 2 is a schematic diagram of the connection between the first joint and the second joint of the present invention.
Description of the labeling:
100-a DB line for testing a lithium battery pack, A-a first connector, B-a second connector, C-a first lead group, D-a second lead group, E-a third lead group, F-a first shielding layer, G-a second shielding layer and H-a third shielding layer.
Detailed Description
The embodiment of the utility model provides a through providing a DB line 100 for test of lithium cell group, solved and had the technical problem of great interference between the wire of the different signals of transmission among the prior art, realized avoiding signal interference, very big promotion the technological effect of signal transmission's stability.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the wires are divided into a first wire group C, a second wire group D and a third wire group E according to the types of transmission signals, and a first shielding layer F, a second shielding layer G and a third shielding layer H are respectively wrapped outside the first wire group C, the second wire group D and the third wire group E so as to avoid signal interference.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 2, a preferred embodiment of a DB line 100 for testing a lithium battery pack of the present invention includes:
a first joint A;
a second joint B;
One end of the first lead group C is connected with the first connector A, and the other end of the first lead group C is connected with the second connector B;
one end of the second lead group D is connected with the first connector A, and the other end of the second lead group D is connected with the second connector B;
one end of the third lead group E is connected with the first connector A, and the other end of the third lead group E is connected with the second connector B;
the first wire group C is used for transmitting a large-current signal, the second wire group D is used for transmitting a voltage output signal and a small-current signal, and the third wire group E is used for signal acquisition and communication signals.
The first shielding layer F wraps the first lead group C and is used for shielding signals of the first lead group C and avoiding interference with the outside;
the second shielding layer G wraps the second lead group D and is used for shielding signals of the second lead group D and avoiding interference with the outside;
the third shielding layer H wraps the third lead group E and is used for shielding signals of the third lead group E and avoiding interference with the outside;
and an insulating layer (not shown) wrapping the first wire group C, the second wire group D, the third wire group E, the first shielding layer F, the second shielding layer G and the third shielding layer H, and configured to provide protection for the first shielding layer F, the second shielding layer G and the third shielding layer H.
The first connector A and the second connector B are both DB male connectors or DB female connectors.
The first wire group C includes 48 first wires (not shown), one end of each of the first wires is sequentially connected to the pins 1 to 12, 21 to 32, 40 to 51, and 60 to 71 of the first connector a, and the other end of each of the first wires is sequentially connected to the pins 1 to 12, 21 to 32, 40 to 51, and 60 to 71 of the second connector B.
The second wire group D includes 20 second wires (not shown), and one end of each of the second wires is sequentially connected to the pins 13 to 17, 33 to 37, 52 to 56, and 72 to 76 of the first tab a, and the other end of each of the second wires is sequentially connected to the pins 13 to 17, 33 to 37, 52 to 56, and 72 to 76 of the second tab B.
The third wire group E includes 10 third wires (not shown), one end of each of the third wires is sequentially connected to the pins 18, 19, 20, 38, 39, 57, 58, 59, 77, and 78 of the first tab a, and the other end is sequentially connected to the pins 18, 19, 20, 38, 39, 57, 58, 59, 77, and 78 of the second tab B.
The utility model discloses the theory of operation:
the first connector A is connected with an output port (DB interface) of a lithium battery pack (not shown), the second connector B is connected with the DB interface of a testing device (not shown), multiple tests are simultaneously carried out on the lithium battery pack through the testing device, various testing signals are fed back to the testing device through the first lead group C, the second lead group D and the third lead group E respectively, and the signals are shielded through the first shielding layer F, the second shielding layer G and the third shielding layer H.
To sum up, the utility model has the advantages that:
divide into first wire group, second wire group and third wire group through the category according to transmission signal to wrap up first shielding layer, second shielding layer and third shielding layer outside first wire group, second wire group and third wire group respectively, make first wire group, the signal of second wire group and third wire inter-group transmission can not produce the interference, realize avoiding signal interference promptly, very big promotion signal transmission's stability.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a DB line for lithium cell group test which characterized in that: the method comprises the following steps:
a first joint;
a second joint;
one end of the first lead group is connected with the first joint, and the other end of the first lead group is connected with the second joint;
one end of the second lead group is connected with the first joint, and the other end of the second lead group is connected with the second joint;
one end of the third lead group is connected with the first joint, and the other end of the third lead group is connected with the second joint;
the first shielding layer wraps the first lead group;
the second shielding layer wraps the second wire group;
a third shielding layer wrapping the third wire group;
and the insulating layer wraps the first lead group, the second lead group, the third lead group, the first shielding layer, the second shielding layer and the third shielding layer.
2. The DB line for lithium battery pack testing according to claim 1, wherein: and the first connector and the second connector are both DB male connectors or DB female connectors.
3. The DB line for lithium battery pack testing according to claim 1, wherein: the first lead group comprises 48 first leads, one end of each first lead is sequentially connected with pins 1 to 12, 21 to 32, 40 to 51 and 60 to 71 of the first connector, and the other end of each first lead is sequentially connected with pins 1 to 12, 21 to 32, 40 to 51 and 60 to 71 of the second connector.
4. The DB line for lithium battery pack testing according to claim 1, wherein: the second lead group comprises 20 second leads, one end of each second lead is sequentially connected with the pins 13 to 17, 33 to 37, 52 to 56 and 72 to 76 of the first connector, and the other end of each second lead is sequentially connected with the pins 13 to 17, 33 to 37, 52 to 56 and 72 to 76 of the second connector.
5. The DB line for lithium battery pack testing according to claim 1, wherein: the third wire group comprises 10 third wires, one end of each third wire is sequentially connected with the pins 18, 19, 20, 38, 39, 57, 58, 59, 77 and 78 of the first connector, and the other end of each third wire is sequentially connected with the pins 18, 19, 20, 38, 39, 57, 58, 59, 77 and 78 of the second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021516488.0U CN213026819U (en) | 2020-07-28 | 2020-07-28 | DB line for testing lithium battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021516488.0U CN213026819U (en) | 2020-07-28 | 2020-07-28 | DB line for testing lithium battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026819U true CN213026819U (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021516488.0U Active CN213026819U (en) | 2020-07-28 | 2020-07-28 | DB line for testing lithium battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213026819U (en) |
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2020
- 2020-07-28 CN CN202021516488.0U patent/CN213026819U/en active Active
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