CN216526206U - Device convenient to power battery system monomer voltage measurement - Google Patents
Device convenient to power battery system monomer voltage measurement Download PDFInfo
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- CN216526206U CN216526206U CN202122743762.9U CN202122743762U CN216526206U CN 216526206 U CN216526206 U CN 216526206U CN 202122743762 U CN202122743762 U CN 202122743762U CN 216526206 U CN216526206 U CN 216526206U
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- switching circuit
- battery system
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- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 239000000178 monomer Substances 0.000 title abstract description 20
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a device convenient for measuring the voltage of a single body of a power battery system, which comprises a switching circuit board and a plurality of groups of measuring and connecting assemblies, wherein each measuring and connecting assembly comprises a plug wire harness, a measuring wire harness and a first female plug-in unit, the plug wire harness is electrically connected with the switching circuit board, the first male plug-in unit is arranged at one end, far away from the switching circuit board, of the plug wire harness, and a measuring terminal is arranged at one end, far away from the switching circuit board, of the measuring wire harness. The utility model leads the measuring wire harness out of the environmental bin through the switching circuit board, and can realize real-time monomer voltage measurement under various environmental conditions and charging and discharging working conditions by matching with the voltage measuring device.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a device convenient for measuring the voltage of a single body of a power battery system.
Background
In the testing process of the power battery system for the electric automobile, the real monomer voltage value in the battery pack is often required to be measured, the shell of the battery pack is disassembled in the conventional measuring method, and as shown in fig. 1, the monomer voltage of each single battery is directly measured by using a voltage measuring device such as a multimeter and the like. This operation has the following drawbacks:
1) manual measurement operation is complicated, and all the cell voltage values cannot be obtained through simultaneous measurement;
2) the test operation is unsafe: the battery system has potential safety hazards in manual measurement operation under an extremely-warm environment or a charging and discharging working condition;
3) the measurement cannot meet the test requirements: the environmental chamber is opened to carry out internal test on the battery system in the chamber, and the temperature condition of the test environment can be changed; and during the monomer voltage collection degree test, the actual monomer voltage value at the same moment and the BMS collected monomer voltage value cannot be measured and obtained.
SUMMERY OF THE UTILITY MODEL
Based on the technical problems in the background art, the utility model provides a device convenient for measuring the voltage of a single power battery system.
The utility model provides a device convenient for measuring the voltage of a single body of a power battery system, which comprises a switching circuit board and a plurality of groups of measuring and connecting components; each measurement coupling assembling all includes plug wire bundle, measurement pencil and the first female plug-in components of being connected with the switching circuit board electricity, keeps away from switching circuit board one end to plug wire bundle and is provided with first public head plug-in components, and measurement pencil keeps away from switching circuit board one end and is provided with the measurement terminal.
Preferably, a second male plug-in is arranged on the plug-in wiring harness, the second male plug-in is connected with a second female plug-in an inserting mode, and the second female plug-in is electrically connected with the switching circuit board.
Preferably, the plug wire bundle is composed of a plurality of first wires, a plurality of first pins are arranged on the first male plug-in, a plurality of second pins are arranged on the second male plug-in, one ends of the plurality of first wires are respectively connected with the plurality of first pins, and the other ends of the plurality of second wires are respectively connected with the plurality of second pins.
Preferably, a third male plug-in is arranged on the measuring wire harness, the third male plug-in is connected with a third female plug-in an opposite inserting mode, and the third female plug-in is electrically connected with the switching circuit board.
Preferably, the measuring harness is composed of a plurality of second wires, and a plurality of third pins are arranged on the third male plug-in; the measuring terminal adopts the plug-in type PCB binding post, is provided with a plurality of PIN feet on the measuring terminal, and a plurality of second wire one end are connected with a plurality of third PINs respectively and a plurality of second wire other ends are connected with a plurality of PIN feet respectively.
Preferably, the exterior of the adapting circuit board is wrapped by a plastic insulating shell, and the first female plug-in unit, the second female plug-in unit and the third female plug-in unit are all located outside the plastic insulating shell.
According to the device convenient for measuring the monomer voltage of the power battery system, the monomer voltage measuring wire harness is led out of the environment bin through the switching circuit board, and the voltage measuring device is matched, so that real-time monomer voltage measurement under various environment conditions and charging and discharging working conditions can be realized, the problems that the monomer voltage is difficult to measure in the charging and discharging process and the temperature of the battery system is influenced in the measuring operation process are solved, the problem that the monomer voltage acquisition time of the BMS and the monomer voltage acquisition time of the voltage measuring device are inconsistent in the monomer voltage acquisition precision test can be solved, and the accuracy and the reliability of measured data are improved.
Drawings
FIG. 1 is a schematic diagram of a cell voltage measurement of a conventional power battery system;
FIG. 2 is a schematic structural diagram of an apparatus for facilitating measurement of cell voltage of a power battery system according to the present invention;
FIG. 3 is a schematic structural diagram of a transfer circuit board in the apparatus for facilitating measurement of cell voltage of a power battery system according to the present invention;
fig. 4 is a schematic diagram of the operation of the device for facilitating the voltage measurement of the single power battery system according to the present invention.
Detailed Description
Referring to fig. 2 and 3, the utility model provides a device convenient for measuring the voltage of a single power battery system, which comprises a switching circuit board 1 and a plurality of groups of measuring and connecting assemblies. Wherein:
each measurement coupling assembling all includes plug wire 2, measurement pencil 3 and first female plug-in components 4 of being connected with switching circuit board 1 electricity, keeps away from switching circuit board 1 one end to plug wire 2 and is provided with first public head plug-in components 5, and measurement pencil 3 keeps away from switching circuit board 1 one end and is provided with measurement terminal 6.
In this embodiment, a second male plug-in unit 8 is arranged on the plug-in wiring harness 2, the second male plug-in unit 8 is connected with a second female plug-in unit 7 in an inserting manner, and the second female plug-in unit 7 is electrically connected with the switching circuit board 1. The plug wire bundle 2 is composed of a plurality of first wires, a plurality of first pins are arranged on the first male plug-in 5, a plurality of second pins are arranged on the second male plug-in 8, one ends of the plurality of first wires are respectively connected with the plurality of first pins, and the other ends of the plurality of second wires are respectively connected with the plurality of second pins.
In this embodiment, the measuring harness 3 is provided with a third male plug-in unit 10, the third male plug-in unit 10 is connected to a third female plug-in unit 9 in an opposite insertion manner, and the third female plug-in unit 9 is electrically connected to the adapting circuit board 1. The measuring wire harness 3 consists of a plurality of second wires, and a plurality of third pins are arranged on the third male plug-in 10; the measuring terminal 6 adopts the plug-in type PCB binding post, is provided with a plurality of PIN feet on the measuring terminal 6, and a plurality of second wire one end are connected with a plurality of third PINs respectively and a plurality of second wire other ends are connected with a plurality of PIN feet respectively.
In this embodiment, the exterior of the adapting circuit board 1 is wrapped by a plastic insulating housing, and the first female plug-in unit 4, the second female plug-in unit 7 and the third female plug-in unit 9 are all located outside the plastic insulating housing 11.
As shown in fig. 4, taking the example including a set of measurement connection components as an example, the structure and the usage of the device are described, at this time, only three identical female plug-ins are arranged on the adapter circuit board, the single voltage acquisition wiring harness a of the battery pack b of the power battery system d is connected with the first female plug-in, the second male plug-in of the plug-in wiring harness 2 is connected with the BMS, the measurement wiring harness 3 is led out of the environmental chamber c and connects the measurement terminal 1 with the voltage measurement device, the voltage measurement device is started, and all the actual single voltage values of the power battery at any moment can be read in real time through the voltage measurement device.
According to the utility model, the measuring wire harness 3 is led out of the environment bin c through the adapter circuit board 1, and is matched with the voltage measuring device, so that real-time monomer voltage measurement under various environment conditions and charge and discharge working conditions can be realized, the problems that the monomer voltage is difficult to measure in the charge and discharge process and the temperature of a battery system is influenced in the measurement operation process are solved, the problem that the monomer voltage acquisition time of the BMS is inconsistent with the monomer voltage acquisition time of the voltage measuring device in the monomer voltage acquisition precision test is solved, and the accuracy and the reliability of measured data are improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The device convenient for measuring the voltage of the single power battery system is characterized by comprising a switching circuit board (1) and a plurality of groups of measuring and connecting components; each measurement connecting assembly comprises a plug wire harness (2), a measurement wire harness (3) and a first female plug-in unit (4), the plug wire harness (2) is electrically connected with the switching circuit board (1), one end, far away from the switching circuit board (1), of the plug wire harness (2) is provided with a first male plug-in unit (5), and one end, far away from the switching circuit board (1), of the measurement wire harness (3) is provided with a measurement terminal (6).
2. The device for facilitating the voltage measurement of the power battery system unit according to claim 1, wherein a second male plug-in (8) is arranged on the plug-in harness (2), the second male plug-in (8) is connected with a second female plug-in (7) in a plug-in manner, and the second female plug-in (7) is electrically connected with the adapter circuit board (1).
3. The device for facilitating the voltage measurement of the power battery system cell according to claim 2, wherein the plug wire bundle (2) is composed of a plurality of first wires, a plurality of first pins are provided on the first male plug-in (5), a plurality of second pins are provided on the second male plug-in (8), one ends of the plurality of first wires are respectively connected with the plurality of first pins, and the other ends of the plurality of second wires are respectively connected with the plurality of second pins.
4. The device for facilitating the voltage measurement of the power battery system unit according to claim 2 or 3, wherein a third male plug-in (10) is arranged on the measuring harness (3), the third male plug-in (10) is connected with a third female plug-in (9) in an opposite insertion mode, and the third female plug-in (9) is electrically connected with the adapter circuit board (1).
5. The device for facilitating the measurement of the cell voltage of a power battery system according to claim 4, characterized in that the measuring harness (3) is composed of a plurality of second wires, and a plurality of third pins are provided on the third male plug-in (10); the measuring terminal (6) adopts the plug-in type PCB binding post, is provided with a plurality of PIN feet on the measuring terminal (6), and a plurality of second wire one end are connected with a plurality of third PINs respectively and a plurality of second wire other ends are connected with a plurality of PIN feet respectively.
6. The device convenient for the voltage measurement of the single power battery system according to claim 4, wherein the switching circuit board (1) is externally wrapped with a plastic insulating shell (11), and the first female plug-in unit (4), the second female plug-in unit (7) and the third female plug-in unit (9) are all positioned outside the plastic insulating shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743762.9U CN216526206U (en) | 2021-11-10 | 2021-11-10 | Device convenient to power battery system monomer voltage measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743762.9U CN216526206U (en) | 2021-11-10 | 2021-11-10 | Device convenient to power battery system monomer voltage measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526206U true CN216526206U (en) | 2022-05-13 |
Family
ID=81528866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122743762.9U Active CN216526206U (en) | 2021-11-10 | 2021-11-10 | Device convenient to power battery system monomer voltage measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216526206U (en) |
-
2021
- 2021-11-10 CN CN202122743762.9U patent/CN216526206U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230616 Address after: No. 566, Huayuan Avenue, Baohe District, Hefei City, Anhui Province, 230000 Patentee after: Anhui Guoxuan New Energy Vehicle Technology Co.,Ltd. Address before: 230000 no.599 Daihe Road, Xinzhan District, Hefei City, Anhui Province Patentee before: Gotion High-tech Co., Ltd. |