CN213483580U - Power supply disconnection structure of battery high-voltage system - Google Patents
Power supply disconnection structure of battery high-voltage system Download PDFInfo
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- CN213483580U CN213483580U CN202022699263.XU CN202022699263U CN213483580U CN 213483580 U CN213483580 U CN 213483580U CN 202022699263 U CN202022699263 U CN 202022699263U CN 213483580 U CN213483580 U CN 213483580U
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- disconnection
- voltage system
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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 high voltage system power supply disconnection structure, including the disconnection contactor, the disconnection contactor includes first main contact, second main contact and coil interface, first main contact is through a battery module in the first copper bar connection battery package, the second main contact is through second copper bar connection battery package power interface, coil interface connection power management is followed the machine and is passed through in order to realize the power management is right the disconnection contactor is controlled, when battery high voltage system breaks down, power management is from machine control the disconnection of first main contact and the second main contact of disconnection contactor. The utility model provides a battery high voltage system power supply disconnection structure, during perhaps power management system master control outage during battery high voltage system trouble, but battery high voltage system's high voltage power supply automatic disconnection avoids effectively avoiding the risk of electrified maloperation because of the artificial danger of omitting disconnection battery high voltage system power and causing the electric shock.
Description
Technical Field
The utility model relates to a battery high-voltage system power technical field especially relates to a battery high-voltage system power disconnection structure.
Background
The lithium battery is the most widely used energy storage equipment at present, and on new energy vehicles and ships, the single batteries with lower voltage are connected in series and parallel to form a high-voltage power battery pack which supplies power to a load through a high-voltage control box.
When a battery high-voltage system is in fault and needs to be maintained, if the high voltage at the two ends of the battery pack is touched carelessly, the human body or equipment can be damaged. In order to ensure the safety of people and equipment, the existing solution is to insert a manual maintenance switch in the middle of the battery pack and manually disconnect the power supply of the battery high-voltage system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery high voltage system power supply disconnection structure aims at solving the problem that current battery high voltage system power supply manual mode breaks off battery high voltage system when breaking down.
For the above-mentioned purpose of realization, the utility model provides a battery high voltage system power supply disconnection structure is applied to in the battery high voltage system who comprises a plurality of battery packages and high-voltage control case, battery high voltage system power supply disconnection structure includes the disconnection contactor, the disconnection contactor includes first main contact, second main contact and coil interface, a battery module in the battery package is connected through first copper bar to first main contact, the second main contact passes through second copper bar and connects battery package power interface, coil interface connection power management is followed the machine and is passed through in order to realize power management is right the disconnection contactor controls, when battery high voltage system breaks down, power management is followed the machine control the disconnection of first main contact and the second main contact of disconnection contactor.
Preferably, the battery pack includes a plurality of battery modules connected in series.
Preferably, the battery high voltage system includes a plurality of battery packs connected in series.
Preferably, the disconnection contactor is provided in one or more of the plurality of battery packs connected in series.
Preferably, the disconnection contactor is provided in one or more battery packs at an intermediate position among the plurality of battery packs connected in series.
Compared with the prior art, the utility model provides a battery high voltage system power supply disconnection structure, the problem to prior art's manual disconnection battery high voltage system's power has been proposed and has been used the disconnection contactor to replace manual maintenance switch, during battery high voltage system trouble or during the power management system master control outage, but battery high voltage system's high voltage power supply automatic disconnection avoids effectively avoiding the risk of electrified maloperation because of the danger of missing the disconnection battery high voltage system power and causing the electric shock artificially.
Drawings
Fig. 1 is a schematic structural diagram of a battery high-voltage system formed by serially connecting battery packs according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power disconnection structure of a battery high-voltage system according to an embodiment of the present invention.
In the figure: 11. a first battery module; 12. a second battery module; 13. a third battery module; 14. a fourth battery module; 20. disconnecting the contactors; 21. a first main contact; 22. a second main contact 22; 23. a coil interface; 30. a power management slave; 41. a first copper bar; 42. a second copper bar; 50. and a battery pack power interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 and fig. 2 together, the utility model provides a battery high voltage system power supply disconnection structure is applied to the battery high voltage system who comprises a plurality of battery packages and high voltage control case, high voltage battery high voltage system includes series connection's battery package and high voltage control case, and every battery package includes a plurality of series connection's battery module, specifically is in the utility model provides an embodiment, high voltage battery high voltage system includes six battery packages and the high voltage control case of series connection, and battery package 1-battery package 6 series connection in proper order sets up the disconnection contactor KM in battery package 4. Specifically, as shown in fig. 2, the battery pack 4 includes four battery modules connected in series, namely a first battery module 11, a second battery module 12, a third battery module 13 and a fourth battery module 14, the battery pack 4 further includes a power management slave 30, a battery pack power interface 50, a first copper bar 41 and a second copper bar 42, the disconnection contactor 20 includes a first main contact 21, a second main contact 22 and a coil interface 23, and the first main contact 21 is connected to the fourth battery module 14 in the battery pack through the first copper bar 41; the second main contact 22 is connected with a battery pack power interface 50 through a second copper bar 42, the coil interface 23 is connected with a power management slave 30 to realize the control of the disconnection contactor 20 through the power management slave 30, and when a battery high-voltage system fails, the power management slave 30 controls the disconnection of the first main contact 21 and the second main contact 22 of the disconnection contactor 20.
When the battery high-voltage system does not work, the first main contact 21 and the second main contact 22 of the disconnection contactor 20 are not conducted, and the battery pack is connected in series to the high-voltage control box without voltage; when the battery high-voltage system works normally, the power management slave 30 controls the first main contact 21 and the second main contact 22 of the disconnection contactor 20 to be conducted, and the battery packs are connected in series to supply power to a load through the high-voltage control box. When the high-voltage battery system has a fault, the power management slave 30 controls the first main contact 21 and the second main contact 22 of the disconnection contactor 20 to be disconnected, and the power of the high-voltage battery system can be disconnected for maintenance without disconnecting a manual maintenance switch, so that the risk of electrified misoperation can be effectively avoided.
Compared with the prior art, the utility model provides a battery high voltage system power supply disconnection structure, the problem to prior art's manual disconnection battery high voltage system's power has been proposed and has been used the disconnection contactor to replace manual maintenance switch, during battery high voltage system trouble or during the power management system master control outage, but battery high voltage system's high voltage power supply automatic disconnection avoids effectively avoiding the risk of electrified maloperation because of the danger of missing the disconnection battery high voltage system power and causing the electric shock artificially.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides a battery high voltage system power supply disconnection structure, is applied to in the battery high voltage system who comprises a plurality of battery packages and high-pressure control case, a serial communication port, battery high voltage system power supply disconnection structure is including the disconnection contactor, the disconnection contactor includes first main contact, second main contact and coil interface, first main contact is through a battery module in first copper bar connection battery package, the second main contact passes through second copper bar connection battery package power interface, coil interface connection power management is followed the machine and is passed through in order to realize the power management is followed the machine is right the disconnection contactor controls, when battery high voltage system breaks down, power management is followed the machine control the disconnection of first main contact and the second main contact of disconnection contactor.
2. The battery high-voltage system power disconnection structure according to claim 1, wherein the battery pack includes a plurality of battery modules connected in series.
3. The battery high-voltage system power disconnection structure of claim 2, wherein the battery high-voltage system comprises a plurality of battery packs connected in series.
4. The battery high voltage system power disconnect structure of claim 3, wherein the disconnect contactor is disposed in one or more of a plurality of series-connected battery packs.
5. The battery high-voltage system power disconnection structure of claim 3, wherein the disconnection contactor is provided in one or more battery packs at an intermediate position among the plurality of battery packs connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699263.XU CN213483580U (en) | 2020-11-19 | 2020-11-19 | Power supply disconnection structure of battery high-voltage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699263.XU CN213483580U (en) | 2020-11-19 | 2020-11-19 | Power supply disconnection structure of battery high-voltage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213483580U true CN213483580U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022699263.XU Active CN213483580U (en) | 2020-11-19 | 2020-11-19 | Power supply disconnection structure of battery high-voltage system |
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| Country | Link |
|---|---|
| CN (1) | CN213483580U (en) |
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2020
- 2020-11-19 CN CN202022699263.XU patent/CN213483580U/en active Active
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