CN210245670U - Battery voltage monitoring device and vehicle - Google Patents
Battery voltage monitoring device and vehicle Download PDFInfo
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- CN210245670U CN210245670U CN201921114801.5U CN201921114801U CN210245670U CN 210245670 U CN210245670 U CN 210245670U CN 201921114801 U CN201921114801 U CN 201921114801U CN 210245670 U CN210245670 U CN 210245670U
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- battery
- voltage
- monitoring device
- voltage monitoring
- acquisition chip
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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 battery voltage monitoring device and a vehicle, wherein the battery voltage monitoring device comprises a battery, a connecting component and a voltage acquisition chip; the battery comprises a plurality of battery modules which are connected through a connecting component; the voltage acquisition chip is connected with the battery module; at least part of pins of the voltage acquisition chip are connected with the connecting component. Adopt the utility model provides a battery voltage monitoring device and vehicle carries out voltage acquisition to coupling assembling through the partial pin of voltage acquisition chip, can enough detect coupling assembling's impedance, avoids because the not hard up impedance grow that arouses of screw, risks such as contact failure, and the voltage at battery module both ends of can accurately sampling again reduces the influence of coupling assembling to battery module voltage.
Description
Technical Field
The utility model relates to an electron electrical apparatus field still relates to the voltage detection field, especially relates to a battery voltage monitoring device and vehicle.
Background
In order to improve the conditions of traditional resource exhaustion and serious environmental pollution, the state greatly promotes economic strategies of energy conservation, emission reduction and low-carbon development, and batteries are widely applied to the manufacturing industry of vehicles due to convenient use and recycling. In the process of using the battery, in order to improve the power and capacity of the battery, a battery module is often formed by connecting the unit cells in series or in parallel, and then a battery pack is formed. It is apparent that since the power output of the battery pack is extremely dependent on the connection structure of the battery modules, the connection structure between the respective battery modules has a great influence on the performance of the battery.
At present, the major structure of battery package includes a plurality of battery module, and every battery module includes 10 monomer electricity cores at least, when carrying out voltage monitoring to it, as shown in fig. 1, need adopt the voltage acquisition chip unanimous with battery module quantity to realize the purpose of one-to-one monitoring, this kind of mode has caused the wasting of resources that the unnecessary pin of voltage acquisition chip was vacant. Also use a voltage acquisition chip among the prior art, utilize the voltage at every battery module both ends respectively of its sufficient pin, because at the vehicle in-process of traveling, the electric current on the coupling assembling can increase, and at the charge-discharge in-process of battery, this kind of mode can't compromise coupling assembling and receive the rapid increase of current influence voltage, and then influence battery module both ends voltage for the battery module gathers the precision and reduces, unable accurate calculation state of charge, and then unable accurate aassessment battery performance.
Disclosure of Invention
Adopt the utility model provides a reliability detection device and vehicle are connected to battery power solves prior art, can't compromise coupling assembling and receive the current to influence voltage and increase rapidly, influences the monitoring effect of voltage acquisition chip.
In order to solve the above problems, the present invention provides a battery voltage monitoring device, which comprises a battery, a connecting assembly and a voltage collecting chip; the battery comprises a plurality of battery modules which are connected through a connecting component; the voltage acquisition chip is connected with the battery module; and two ends of one connecting assembly are connected with pins of the voltage acquisition chip.
Preferably, the connecting assembly is a copper bar; the plurality of battery modules are connected through copper bars; and the two ends of the copper bar are connected with pins of the voltage acquisition chip.
Alternatively, the connection assembly is a wire harness; the plurality of battery modules are connected through a wire harness; and a group of pins in the voltage acquisition chip are connected with two different nodes on the wiring harness, wherein the wiring harness is the wiring harness on one side of the battery module.
Specifically, each battery module at least includes N battery cells, and a setting range of N is 1 ≦ N ≦ 9.
Preferably, the battery voltage monitoring device comprises a battery, a copper bar and a voltage acquisition chip, wherein the battery is composed of two battery modules; the two battery modules are connected through the copper bar.
Preferably, the battery voltage monitoring device comprises a battery, a copper bar and a voltage acquisition chip, wherein the battery is composed of three battery modules; the three battery modules are connected through the copper bar.
Alternatively, the battery voltage monitoring device comprises a battery, a wire harness and a voltage acquisition chip, wherein the battery is composed of two battery modules; the two battery modules are connected through the wiring harness.
Alternatively, the battery voltage monitoring device comprises a battery, a wire harness and a voltage acquisition chip, wherein the battery is composed of three battery modules; the three battery modules are connected through the wiring harness.
Further, the voltage acquisition chip is a negative pressure sampling chip.
Specifically, the voltage acquisition chip is MAX 17853.
Correspondingly, the utility model also discloses a vehicle, including the aforesaid wantonly battery voltage monitoring device.
Adopt the utility model discloses a battery voltage monitoring device and vehicle carries out voltage acquisition to coupling assembling through the partial pin of voltage acquisition chip, can enough detect coupling assembling's impedance, avoids because the not hard up impedance grow that arouses of screw, risks such as contact failure, and the voltage at battery module both ends of can accurately sampling again reduces the influence of coupling assembling to battery module voltage.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive work.
FIG. 1 is a schematic diagram of a battery voltage monitoring device in the prior art;
fig. 2 is a schematic structural diagram of a battery voltage monitoring apparatus provided in the present invention;
fig. 3 is a schematic structural diagram of another battery voltage monitoring apparatus provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings in the embodiments of the present invention are combined below to further clearly and completely illustrate the technical solutions in the embodiments of the present invention. It is obvious that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 2, it shows a schematic structural diagram of a battery voltage monitoring device provided by the present invention, the battery voltage monitoring device includes a battery, a copper bar and a voltage acquisition chip, which are formed by two battery modules; each battery module at least comprises N monomer battery cores, and the setting range of N is less than or equal to 1 and less than or equal to N and less than or equal to 9. The voltage acquisition chip is a negative pressure sampling chip, and specifically, the voltage acquisition chip is MAX 17853. The two battery modules are connected through the copper bar. One end of the copper bar is connected with a pin CN of the voltage acquisition chip; the other end of the copper bar is connected with the other pin CN +1 of the voltage acquisition chip.
Adopt the utility model discloses a battery voltage monitoring device and vehicle carries out voltage acquisition to coupling assembling through the partial pin of voltage acquisition chip, can enough detect the impedance of coupling assembling copper bar, avoids because the impedance grow that the screw is not hard up to cause, risks such as contact failure, the voltage at battery module both ends of can accurately sampling again, reduces coupling assembling copper bar promptly to the influence of battery module voltage.
Example 2
Referring to fig. 3, it shows a schematic structural diagram of another battery voltage monitoring device provided by the present invention, the battery voltage monitoring device includes a battery, a copper bar and a voltage collecting chip, which are formed by three battery modules; each battery module at least comprises N monomer battery cores, and the setting range of N is less than or equal to 1 and less than or equal to N and less than or equal to 9. The voltage acquisition chip is a negative pressure sampling chip, and specifically, the voltage acquisition chip is MAX 17853. The three battery modules are connected through the copper bar. One end of the copper bar is connected with a pin CN of the voltage acquisition chip; the other end of the copper bar is connected with the other pin CN + X of the voltage acquisition chip.
Adopt the utility model discloses a battery voltage monitoring device and vehicle carries out voltage acquisition to coupling assembling through the partial pin of voltage acquisition chip, can enough detect the impedance of coupling assembling copper bar, avoids because the impedance grow that the screw is not hard up to cause, risks such as contact failure, the voltage at battery module both ends of can accurately sampling again, reduces coupling assembling copper bar promptly to the influence of battery module voltage.
Example 3
The present embodiment is different from the above-described embodiments 1 and 2 in that the battery voltage monitoring device includes a battery, a wire harness, and a voltage collecting chip; the battery comprises a plurality of battery modules which are connected through a wire harness; each battery module at least comprises N monomer battery cores, and the setting range of N is less than or equal to 1 and less than or equal to N and less than or equal to 9. And a group of pins in the voltage acquisition chip are connected with two different nodes on the wiring harness, wherein the wiring harness is the wiring harness on one side of the battery module.
Adopt the utility model discloses a battery voltage monitoring device and vehicle carries out voltage acquisition to coupling assembling through the partial pin of voltage acquisition chip, can enough detect coupling assembling's impedance, avoids because the not hard up impedance grow that arouses of screw, risks such as contact failure, and the voltage at battery module both ends of can accurately sampling again reduces the influence of coupling assembling to battery module voltage.
Example 4
The utility model also discloses a vehicle, the vehicle includes embodiment 1-3 arbitrary battery power connects reliability detection device.
Having described the preferred embodiments of the present invention, it should be noted that the present invention is not limited by the above-mentioned embodiments, and for those skilled in the art, modifications and decorations can be made without departing from the principle of the present invention, so that the equivalent changes made by the claims of the present invention still belong to the protection scope covered by the present invention.
Claims (10)
1. The battery voltage monitoring device is characterized by comprising a battery, a connecting component and a voltage acquisition chip;
the battery comprises a plurality of battery modules which are connected through a connecting component;
the voltage acquisition chip is connected with the battery module;
and two ends of one connecting assembly are connected with pins of the voltage acquisition chip.
2. The battery voltage monitoring device of claim 1, wherein the connecting assembly is a copper bar;
the plurality of battery modules are connected through copper bars;
and the two ends of the copper bar are connected with pins of the voltage acquisition chip.
3. A battery voltage monitoring device according to claim 1, wherein said connecting member is a wire harness;
the plurality of battery modules are connected through a wire harness;
and a group of pins in the voltage acquisition chip are connected with two different nodes on the wiring harness, wherein the wiring harness is the wiring harness on one side of the battery module.
4. The battery voltage monitoring apparatus according to claim 1, wherein each battery module includes at least N battery cells, and N is set to be equal to or less than 1 and equal to or less than N and equal to or less than 9.
5. The battery voltage monitoring device according to claim 2, wherein the battery voltage monitoring device comprises a battery consisting of two battery modules, a copper bar and a voltage acquisition chip;
the two battery modules are connected through the copper bar.
6. The battery voltage monitoring device according to claim 2, wherein the battery voltage monitoring device comprises a battery consisting of three battery modules, a copper bar and a voltage acquisition chip;
the three battery modules are connected through the copper bar.
7. The battery voltage monitoring device according to claim 3, wherein the battery voltage monitoring device comprises a battery consisting of two battery modules, a wire harness and a voltage acquisition chip;
the two battery modules are connected through the wiring harness.
8. The battery voltage monitoring device according to claim 3, wherein the battery voltage monitoring device comprises a battery consisting of three battery modules, a wire harness and a voltage acquisition chip;
the three battery modules are connected through the wiring harness.
9. The battery voltage monitoring device according to claim 1, wherein the voltage sampling chip is a negative voltage sampling chip.
10. A vehicle characterized in that it comprises a battery voltage monitoring device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114801.5U CN210245670U (en) | 2019-07-16 | 2019-07-16 | Battery voltage monitoring device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114801.5U CN210245670U (en) | 2019-07-16 | 2019-07-16 | Battery voltage monitoring device and vehicle |
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| Publication Number | Publication Date |
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| CN210245670U true CN210245670U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921114801.5U Active CN210245670U (en) | 2019-07-16 | 2019-07-16 | Battery voltage monitoring device and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960500A (en) * | 2021-08-24 | 2022-01-21 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
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2019
- 2019-07-16 CN CN201921114801.5U patent/CN210245670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960500A (en) * | 2021-08-24 | 2022-01-21 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
| CN113960500B (en) * | 2021-08-24 | 2024-03-22 | 欣旺达电子股份有限公司 | Detection circuit, detection system and detection method |
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