CN210137072U - High-voltage distribution box for battery pack group - Google Patents

High-voltage distribution box for battery pack group Download PDF

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Publication number
CN210137072U
CN210137072U CN201921342700.3U CN201921342700U CN210137072U CN 210137072 U CN210137072 U CN 210137072U CN 201921342700 U CN201921342700 U CN 201921342700U CN 210137072 U CN210137072 U CN 210137072U
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China
Prior art keywords
interface
relay
battery pack
voltage distribution
distribution box
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Active
Application number
CN201921342700.3U
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Chinese (zh)
Inventor
戚传龙
李鹏
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Anhui Antan Lithium Energy Technology Co Ltd
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Anhui Antan Lithium Energy Technology Co Ltd
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Priority to CN201921342700.3U priority Critical patent/CN210137072U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a high voltage distribution box is used to battery package group, including casing, interface group and relay group, the interface group is including always positive interface, total negative interface, fill mouthful, be used for the DC/DC interface of outside direct current consumer power supply and be used for passing through the DC AC interface of galvanic current soon. The utility model integrates a plurality of sockets on the box body, so that each socket of the battery pack group is effectively managed in a centralized way, can be well matched and adapted with the battery pack group, and reduces the volume of the power supply part of the special electric vehicle to a certain extent; the BMS chip is adopted to manage and monitor the charging and discharging of the battery pack group, so that the phenomena of overcharge, overdischarge and the like of the battery pack group can be effectively avoided, and the service life of the battery pack group is well ensured; and output interfaces such as a DC/DC conversion interface, a DC/AC conversion interface and the like are also arranged, so that power can be conveniently supplied to different types of external loads, and the functional diversity of the battery pack can be effectively increased.

Description

High-voltage distribution box for battery pack group
Technical Field
The utility model relates to a high voltage distribution technical field, concretely relates to battery package group uses high voltage distribution box.
Background
Common battery system electrical components and battery cores in the market are all placed in the same box body, and a PDU (Power distribution Unit) module is usually adopted. The PDU is a product designed for providing power distribution for the cabinet-mounted electrical equipment, has various series specifications of different functions, different mounting modes and different socket combinations, and can provide a proper rack-mounted power distribution solution for different power supply environments. Due to the application of the PDU, the power supply in the cabinet can be distributed more orderly, reliably, safely, professionally and attractively, and the maintenance of the power supply in the cabinet is more convenient and reliable.
With the rapid development of the lithium battery industry, the lithium battery gradually becomes a main power supply of many special electric vehicles due to its excellent use performance, and at present, the battery pack for the special electric vehicles is formed by connecting a plurality of single lithium batteries in series, and the plurality of lithium batteries are connected in series and then are filled in the same box body to form the battery pack. When a high voltage system is formed by connecting a plurality of battery packs in series, the sockets should not be placed inside the battery pack from the viewpoint of space and safety.
To the above-mentioned problem, current solution mainly has two kinds, and with partial socket set up in a concentrated way or each socket is the setting of dispersing equally, above-mentioned two sets of solutions, the integrated level is lower, has certain potential safety hazard, for this reason, provides a high voltage distribution box for battery package group.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to improve the integrated level of each socket of battery package group effectively to more convenient to use and reduce the potential safety hazard, provide a battery package group and used high voltage distribution box.
The utility model discloses a solve above-mentioned technical problem through following technical scheme, the utility model discloses a casing, interface group and relay group, interface group is including total positive interface, total negative interface, fill mouthful soon, be used for the DC/DC interface of outside direct current consumer power supply with be used for the DC/AC interface with direct current alternating current, total positive interface total negative interface fill mouthful soon DC/DC interface DC/AC interface the DC/AC interface all sets up the outside of casing, relay group is including total positive relay, total negative relay, fill the relay soon, DC/DC relay and DC/AC relay, total positive relay, total negative relay, fill the relay soon, DC/DC relay and DC/AC relay all set up the inside of casing, total negative interface passes through total negative relay respectively with fill mouthful soon, the inside of casing, total negative interface passes through, The DC/DC interface is connected with the negative pole of the DC/AC interface, the total positive interface is connected with the quick charging port through the total positive relay respectively, the DC/DC interface is connected with the positive pole of the DC/AC interface, the positive pole of the quick charging port is connected with the total positive relay through the quick charging relay, the positive pole of the DC/DC interface is connected with the total positive relay through the DC/DC relay, the positive pole of the DC/AC interface is connected with the total positive relay through the DC/AC relay, a plurality of sockets are integrated on the box body, so that each socket of the battery pack group is effectively and intensively managed, the battery pack group can be well matched and adapted with the battery pack group, and the volume of a power supply part of a special electric vehicle is reduced to a certain extent.
Preferably, the high voltage distribution box further comprises a manual maintenance switch, the manual maintenance switch penetrates through the shell, and the total positive interface is connected with the total positive relay through the manual maintenance switch.
Preferably, the interface group further comprises a communication port for performing communication between the battery pack groups, the communication port is arranged outside the housing, and the communication port is used for transmitting the temperature and the voltage of the single batteries in the battery pack groups to the battery management system chip in the high-voltage distribution box.
Preferably, the interface set further comprises a battery charging port for charging an on-vehicle battery, and the battery charging port is disposed outside the housing.
Preferably, the total positive interface, the total negative interface, the quick charging port, the DC/DC interface, the DC/AC interface, the manual maintenance switch, the communication port and the battery charging port are all arranged around the outer surface of the casing, and output interfaces such as a DC/DC conversion interface and a DC/AC conversion interface are arranged, so that power can be conveniently supplied to external loads of different types, functional diversity of the battery pack group can be effectively increased, and the application range of the battery pack group is enlarged.
Preferably, the high-voltage distribution box further comprises a Battery Management System (BMS) chip, the BMS chip is disposed inside the case, and the BMS chip is used to manage and monitor the charging and discharging of the battery pack, so that the phenomena of overcharge and overdischarge of the battery pack can be effectively avoided, and the service life of the battery pack is well guaranteed.
Preferably, the high voltage distribution box further comprises a heating fuse disposed inside the housing.
Preferably, the heating fuse further comprises a heating relay, and the heating relay is connected with the positive electrode of the quick charging port.
Preferably, the high-voltage distribution box further comprises a hall sensor, the hall sensor is arranged inside the shell, and the total negative relay is connected with the total negative interface through the hall sensor.
Compared with the prior art, the utility model has the following advantages: the box body is integrated with a plurality of sockets, so that each socket of the battery pack group is effectively and intensively managed, the battery pack group can be well matched and adapted with the battery pack group, and the volume of a power supply part of the special electric vehicle is reduced to a certain extent; the BMS chip is adopted to manage and monitor the charging and discharging of the battery pack group, so that the phenomena of overcharge, overdischarge and the like of the battery pack group can be effectively avoided, and the service life of the battery pack group is well ensured; and output interfaces such as a DC/DC conversion interface, a DC/AC conversion interface and the like are also arranged, so that power can be conveniently supplied to different types of external loads, and the functional diversity of the battery pack group can be effectively increased, thereby enlarging the application range of the battery pack group.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic circuit diagram of the present invention.
In the figure: 1. a manual service switch; 2. a master positive interface; 3. a total negative interface; 4. a communication port; 5. a battery charging port; 6. a DC/DC interface; 7. a DC/AC interface; 8. a quick charging port; 9. heating the fuse; 10. heating the relay; 11. a master positive relay; 12. a quick charge relay; 13. a DC/DC relay; 14. a DC/AC relay; 15. a Hall sensor; 16. a total negative relay; 17. the battery management system chip.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 to 3, the present embodiment provides a technical solution: a high-voltage distribution box for a battery pack group comprises a shell, an interface group and a relay group, wherein the interface group comprises a total positive interface 2, a total negative interface 3, a quick charging port 8, a DC/DC interface 6 for supplying power to external direct-current electric equipment and a DC/AC interface 7 for converting direct current into alternating current, the total positive interface 2, the total negative interface 3, the quick charging port 8, the DC/DC interface 6 and the DC/AC interface 7 are arranged outside the shell, the relay group comprises a total positive relay 11, a total negative relay 16, a quick charging relay 12, a DC/DC relay 13 and a DC/AC relay 14, the total positive relay 11, the total negative relay 16 and the quick charging relay 12, the DC/DC relay 13 and the DC/AC relay 14 are arranged inside the shell, and the total negative interface 3 is respectively communicated with the quick charging port 8, the quick charging relay 12, the DC/DC relay 13 and the DC/AC relay 14 through the total negative relay 16, The negative poles of the DC/DC interface 6 and the DC/AC interface 7 are connected, the total positive interface 2 is respectively connected with the positive electrodes of the quick charging port 8, the DC/DC interface 6 and the DC/AC interface 7 through the total positive relay 11, the positive pole of the quick charging port 8 is connected with the main positive relay 11 through the quick charging relay 12, the positive pole of the DC/DC interface 6 is connected to the main positive relay 11 via the DC/DC relay 13, the positive pole of the DC/AC interface 7 is connected to the main positive relay 11 via the DC/AC relay 14, a plurality of sockets are integrated on the box body, so that each socket of the battery pack group is effectively and centrally managed, the battery pack can be well matched and adapted with the battery pack group, and the size of the power supply part of the special electric vehicle is reduced to a certain extent.
Furthermore, the high-voltage distribution box further comprises a manual maintenance switch 1, the manual maintenance switch 1 penetrates through the shell, and the total positive interface 2 is connected with the total positive relay 11 through the manual maintenance switch 1.
Further, the interface pack further includes a communication port 4 for performing communication between the battery pack groups, the communication port 4 is provided outside the housing, and the communication port 4 is used for transmitting the temperature and voltage of the unit batteries in the battery pack groups to the BMS chip 17 in the high voltage distribution box.
Furthermore, the interface group further comprises a storage battery charging port 5 used for charging a vehicle-mounted storage battery, the storage battery charging port 5 is arranged outside the shell, and the vehicle-mounted storage battery is used for providing power for the BMS chip and an external human-computer interface display screen.
Furthermore, the total positive interface 2, the total negative interface 3, the quick charging port 8, the DC/DC interface 6, the DC/AC interface 7, the manual maintenance switch 1, the communication port 4 and the battery charging port 5 are all arranged around the outer surface of the casing, the installation space required by the high-voltage distribution box can be reduced by arranging each interface around the outer surface of the casing, and output interfaces such as a DC/DC conversion interface and a DC/AC conversion interface are arranged, so that power can be conveniently supplied to external loads of different types, the functional diversity of the battery pack group can be effectively increased, and the application range of the battery pack group is enlarged.
Furthermore, the high-voltage distribution box further comprises a battery management system chip 17, the battery management system chip 17 is arranged inside the shell, and the BMS chip 17 is used for managing and monitoring the charging and discharging of the battery pack, so that the phenomena of overcharge, overdischarge and the like of the battery pack can be effectively avoided, and the service life of the battery pack is well ensured.
Further, the high voltage distribution box further comprises a heating fuse 9, the heating fuse 9 being disposed inside the housing.
Furthermore, the heating fuse 9 further comprises a heating relay 10, and the heating relay 10 is connected with the positive electrode of the quick charging port 8.
Furthermore, the high-voltage distribution box further comprises a hall sensor 15, the hall sensor 15 is arranged inside the shell, and the main negative relay 16 is connected with the main negative interface 3 through the hall sensor 15.
Furthermore, the functions of the relays are to control the on-off of the current of the loop where the relays are located, the hall sensors 15 are used for detecting the current of the battery pack group according to the hall effect principle and transmitting signals to the BMS chip 17, and when the vehicle body is subjected to over-current, over-voltage and other dangerous conditions, the BMS chip 17 timely cuts off the corresponding relays according to the information collected by the hall sensors 15, so that the external power supply is stopped.
In the present embodiment, the model of the heating fuse 9 is RS 309-MF-30A; the model of the heating relay 10 is EVR 30-12S; the model of the total positive relay 11 is EVR 150-12S; the model of the quick charging relay 12 is EVR 150-12S; the model of the DC/DC relay 13 is EVR 30-12S; the model of the DC/AC relay 14 is EVR 150-12S; the model of the Hall sensor 15 is FS400E2T 16; the model of the total negative relay 16 is EVR 150-12S; the model number of the battery management system chip 17 is C10F-12V.
Because the use environment is severe, the BMS chip 17 is required to have good electromagnetic interference resistance, and meanwhile, the BMS chip 17 is required to have small external radiation; the BMS chip 17 has a charging management module therein that controls the charger to safely charge the battery according to the characteristics of the battery, the temperature level, and the power level of the charger.
The working principle is as follows: this high-voltage distribution box is used to battery package group, in the use, at first, with each battery package group total positive terminal and total negative terminal respectively with this high-voltage distribution box total positive interface 2 with total negative interface 3 be connected, again with the communication mouth 4 of each battery package group pass through the communication line connection, charge mouthful 5 with the battery and be connected to on-vehicle battery, with this high-voltage distribution box fixed to the assigned position can, secondly, when using, can be through output interfaces such as DC/DC conversion interface and DC/AC conversion interface, conveniently supply power for the load of external different grade type, increase the functional diversity of battery package group effectively, it is comparatively practical.
In conclusion, the high-voltage distribution box for the battery pack group integrates a plurality of sockets on the box body, so that each socket of the battery pack group is effectively and intensively managed, the battery pack group can be well matched and adapted with the battery pack group, and the volume of a power supply part of a special electric vehicle is reduced to a certain extent; the BMS chip is adopted to manage and monitor the charging and discharging of the battery pack group, so that the phenomena of overcharge, overdischarge and the like of the battery pack group can be effectively avoided, and the service life of the battery pack group is well ensured; and output interfaces such as a DC/DC conversion interface, a DC/AC conversion interface and the like are also arranged, so that power can be conveniently supplied to different types of external loads, and the functional diversity of the battery pack group can be effectively increased, thereby enlarging the application range of the battery pack group.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a battery package is high voltage distribution box for group which characterized in that: the direct current charging device comprises a shell, an interface group and a relay group, wherein the interface group comprises a total positive interface, a total negative interface, a quick charging port, a DC/DC interface for supplying power to external direct current electric equipment and a DC/AC interface for converting direct current into alternating current, the total positive interface, the total negative interface, the quick charging port, the DC/DC interface and the DC/AC interface are all arranged outside the shell, the relay group comprises a total positive relay, a total negative relay and a quick charging relay, the DC/DC relay and the DC/AC relay are arranged inside the shell, the total negative interface is respectively connected with the quick charging port, the DC/DC interface and the negative electrode of the DC/AC interface through the total negative relay, the total positive interface is respectively connected with the quick charging port, the DC/DC interface and the positive electrode of the DC/AC interface through the total positive relay, the positive electrode of the quick charging port is connected with the total positive relay through the quick charging relay, the positive electrode of the DC/DC interface is connected with the total positive relay through the DC/DC relay, and the positive electrode of the DC/AC interface is connected with the total positive relay through the DC/AC relay.
2. The high voltage distribution box for a battery pack according to claim 1, wherein: the high voltage distribution box further comprises a manual maintenance switch, the manual maintenance switch penetrates through the shell, and the total positive interface is connected with the total positive relay through the manual maintenance switch.
3. The high voltage distribution box for a battery pack according to claim 2, wherein: the interface group further comprises a communication port, and the communication port is arranged outside the shell.
4. A high voltage distribution box for a battery pack according to claim 3, wherein: the interface unit further comprises a battery charging port, and the battery charging port is arranged outside the shell.
5. The high voltage distribution box for a battery pack according to claim 4, wherein: the total positive interface, the total negative interface, the quick charging port, the DC/DC interface, the DC/AC interface, the manual maintenance switch, the communication port and the storage battery charging port are all arranged on the periphery of the outer surface of the shell.
6. The high voltage distribution box for a battery pack according to claim 1, wherein: the high-voltage distribution box further comprises a battery management system chip, and the battery management system chip is arranged inside the shell.
7. The high voltage distribution box for a battery pack according to claim 1, wherein: the high voltage distribution box further comprises a heating fuse disposed inside the housing.
8. The high voltage distribution box for a battery pack according to claim 7, wherein: the heating fuse also comprises a heating relay, and the heating relay is connected with the anode of the quick charging port.
9. The high voltage distribution box for a battery pack according to claim 1, wherein: the high-voltage distribution box further comprises a Hall sensor, the Hall sensor is arranged inside the shell, and the total negative relay is connected with the total negative interface through the Hall sensor.
CN201921342700.3U 2019-08-19 2019-08-19 High-voltage distribution box for battery pack group Active CN210137072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921342700.3U CN210137072U (en) 2019-08-19 2019-08-19 High-voltage distribution box for battery pack group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921342700.3U CN210137072U (en) 2019-08-19 2019-08-19 High-voltage distribution box for battery pack group

Publications (1)

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CN210137072U true CN210137072U (en) 2020-03-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111934384A (en) * 2020-08-13 2020-11-13 宇能电气有限公司 Self-adaptive control charging method and charger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111934384A (en) * 2020-08-13 2020-11-13 宇能电气有限公司 Self-adaptive control charging method and charger

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GR01 Patent grant
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CP02 Change in the address of a patent holder

Address after: Building H6, Jiahai industrial city, No. 3768, xinbengbu Road, Xinzhan District, Hefei City, Anhui Province 230000

Patentee after: Anhui Antan lithium energy technology Co., Ltd

Address before: 230000 production workshop office building of Hefei Jinchang Adhesive Products Co., Ltd. east of xinbengbu Road, north of yuhuangshan Road, Xinzhan District, Hefei City, Anhui Province

Patentee before: Anhui Antan lithium energy technology Co., Ltd

CP02 Change in the address of a patent holder