CN207765529U - A kind of lithium battery module with fuse assembly - Google Patents

A kind of lithium battery module with fuse assembly Download PDF

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Publication number
CN207765529U
CN207765529U CN201820549373.8U CN201820549373U CN207765529U CN 207765529 U CN207765529 U CN 207765529U CN 201820549373 U CN201820549373 U CN 201820549373U CN 207765529 U CN207765529 U CN 207765529U
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China
Prior art keywords
fuse
bar
bus
lithium battery
battery module
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Active
Application number
CN201820549373.8U
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Chinese (zh)
Inventor
何明明
李晶
诸红
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Sichuan Green Xin Power Supply Technology Co Ltd
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Sichuan Green Xin Power Supply Technology Co Ltd
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Priority to CN201820549373.8U priority Critical patent/CN207765529U/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

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  • Connection Of Batteries Or Terminals (AREA)
  • Fuses (AREA)

Abstract

The utility model discloses a kind of lithium battery modules with fuse assembly, including lithium battery module and fuse assembly, fuse assembly is installed on the outside of the grafting panel of lithium battery module, fuse assembly includes fuse safety box, fuse and busbar assembly, fuse safety box includes upper cover and pedestal, it is equipped with the accommodating cavity of fuse in the base, busbar assembly is included into line bus-bar and outlet bus-bar, one end of inlet wire bus-bar is connected with fuse conducting terminal, the other end with just enter bus-bar and be connected, one end of outlet bus-bar be connected with another conducting terminal of fuse the other end with just go out bus-bar and be connected.The lithium battery module with fuse assembly of the utility model, by the way that fuse is installed in fuse safety box, and fuse safety box is installed on outside battery modules, it can be achieved that fuse installation and replacement outside battery modules, are highly convenient for the repair and replacement of fuse.

Description

A kind of lithium battery module with fuse assembly
Technical field
The utility model is related to technical field of lithium batteries, and in particular to a kind of lithium battery module with fuse assembly.
Background technology
In new-energy automobile field, as battery energy density is substantially improved, the double growth of cruising ability, the appearance of lithium battery Amount and power will all greatly improve, can be higher and higher to the demand for safety protection of electric vehicle short trouble.Fuse, which is used as, to be had The circuit of effect insures, and is widely used on lithium battery module.
In the lithium battery module of the prior art, to ensure that fuse is mounted on by the sealing performance of battery case, some selections Inside battery modules, some then directly selects and does not install fuse.By fuse, there are larger disadvantages inside battery modules End;I.e. when fuse damage is needed replacing or repaired, need to dismantle entire battery modules into the disassembling, assembling and replacing for carrying out fuse, And the quality of battery modules whole equipment is larger, therefore replace fuse and need to expend a large amount of working hours.And if not installing fusing Device, battery modules there is the security risk of short circuit.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is that proposing a kind of lithium battery with fuse assembly Module, by the way that fuse is installed in fuse safety box, and fuse safety box be installed on outside battery modules, it can be achieved that Fuse installation and replacement outside battery modules are highly convenient for the repair and replacement of fuse.
To achieve the above object, technical solution used by the utility model is:
A kind of lithium battery module with fuse assembly, including lithium battery module and fuse assembly, the fuse Component is installed on the outside of the grafting panel of lithium battery module;The fuse assembly include fuse safety box, fuse and Busbar assembly;The fuse includes fusion tube and the conducting terminal that extends from fusion tube both ends, is opened up on the conducting terminal There is connection through-hole;The fuse safety box includes upper cover and pedestal, and the upper cover is to be detachably connected with pedestal;The bottom The accommodating cavity of fuse is set in seat, and the middle part of the accommodating cavity is and the matched containing groove of fusion tube, accommodating cavity Both ends be overlap joint boss, it is logical that screw corresponding with the connection through-hole of conducting terminal is offered on two overlap joint boss Hole;The busbar assembly includes inlet wire bus-bar and outlet bus-bar;It is all opened on the inlet wire bus-bar and outlet bus-bar Equipped with screw hole, one end of the inlet wire bus-bar is connected by screw with a conducting terminal of fuse, described into the congruence The other end for flowing row is connected with the bus-bar that just enters for connecting lithium battery module, and one end of the outlet bus-bar by screw and is melted Another conducting terminal of disconnected device is connected, and the other end of the outlet bus-bar and connect always just plug connector and just goes out bus-bar phase Even.
By the way that fuse to be installed in fuse safety box, and fuse safety box is installed on outside battery modules, can It realizes fuse installation and replacement outside battery modules, is highly convenient for the repair and replacement of fuse.
Further, sealing ring is arranged with upper cover junction in the pedestal, sealing function is played.
Further, sealing ring is arranged with grafting panel junction in the pedestal, sealing function is played.
Further, the pedestal and upper cover play sealing function by screw connection.
Further, the pedestal and upper cover are made of fireproof ABS material, prevent fires and durable.
Further, the inlet wire bus-bar and outlet bus-bar are made of red copper, conduct electricity very well.
Further, the inlet wire bus-bar with just enter bus-bar and be connected by screw, it is conductive and stablize.
Further, the outlet bus-bar with just go out bus-bar and be connected by screw, it is conductive and stablize.
The beneficial effects of the utility model include but not limited to:
Compared with the existing technology, the lithium battery module with fuse assembly of the utility model uses and installs fuse Technical solution outside lithium battery module solves the problems, such as that fuse dismounting is difficult in lithium battery module, meanwhile, using general Fuse is assemblied in fuse safety box, while ensureing fuse normal use, is solved fuse and is mounted on battery The poorly sealed problem generated outside module, and can also add sealing ring on fuse safety box so that fuse safety Box has the performance of waterproof, so that the scope of application of lithium battery module is wider.
Description of the drawings
Fig. 1 is the schematic diagram of the lithium battery module with fuse assembly of the utility model;
Fig. 2 is the schematic diagram of the lithium battery module with fuse assembly of the utility model;
Fig. 3 is the schematic diagram of fuse assembly;
Fig. 4 is the schematic diagram that fuse is packed into fuse assembly after pedestal.
In figure:1, lithium battery module;2, fuse assembly;21, fuse safety box;211, upper cover;212, pedestal;221、 Inlet wire bus-bar;222, outlet bus-bar;23, fuse;231, fusion tube;232, conducting terminal;3, grafting panel;4, total just to insert Fitting;51, just enter bus-bar;52, just go out bus-bar;6, sealing ring.
Specific implementation mode
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to embodiment to this practicality It is novel to be further elaborated, but be not the limitation to scope of protection of the utility model.
In the present embodiment, as shown in figures 1-4, a kind of lithium battery module with fuse assembly, including lithium battery mould Group 1 and fuse assembly 2, the fuse assembly 2 are installed on the outside of the grafting panel 3 of lithium battery module 1;The fuse Component 2 includes fuse safety box 21, fuse 23 and busbar assembly;The fuse 23 includes fusion tube 231 and from fusion tube The conducting terminal 232 that 231 both ends are extended offers connection through-hole on the conducting terminal 232;The fuse safety box 21 Including upper cover 211 and pedestal 212, and the upper cover 211 is to be detachably connected with pedestal 212;Fusing is set in the pedestal 212 The accommodating cavity of device 23, the middle part of the accommodating cavity are to be with 231 matched containing groove of fusion tube, the both ends of accommodating cavity Boss is overlapped, screw through-hole corresponding with the connection through-hole of conducting terminal 232 is offered on two overlap joint boss;It is described Busbar assembly includes inlet wire bus-bar 221 and outlet bus-bar 222;On the inlet wire bus-bar 221 and outlet bus-bar 222 All offer screw hole, 232 phase of conducting terminal that one end of the inlet wire bus-bar 221 passes through screw and fuse 23 Even, the other end of the inlet wire bus-bar 221 is connected with the bus-bar 51 that just enters for connecting lithium battery module 1, the outlet confluence Row 222 one end be connected with another conducting terminal 232 of fuse 23 by screw, the outlet bus-bar 222 it is another End just goes out bus-bar connected 52 with connect total just plug connector.
Specifically, the pedestal 212 and upper cover 211, when needing replacing fuse 23, back out screw by screw connection Upper cover 211 can be removed to take out fuse 23 from pedestal 212, again by upper cover 211 and bottom after replacing fuse 23 Seat 212 is highly convenient for dismounting by screw connection.
Meanwhile inlet wire bus-bar 221 is connected with bus-bar 51 is just entered by screw, outlet bus-bar 222 with just go out confluence Row 52 is connected by screw so that the dismounting of inlet wire bus-bar and outlet bus-bar is more convenient.
When assembling fuse assembly 2, fuse 23 is assemblied in the pedestal 212 of fuse safety box 21 first, specifically It is placed in the containing groove in the accommodating cavity of pedestal 212 for the fusion tube 231 of fuse 23, two conducting terminals of fuse 23 232 are respectively placed on the overlap joint boss at both ends, and the connection through-hole of each conducting terminal 232 is logical with the screw of overlap joint boss respectively Hole is opposite, then after two screws are each passed through the connection through-hole of two conducting terminals 232 and overlap the screw through-hole of boss, It is connected respectively with the screw hole of 222 one end of inlet wire bus-bar 221 and outlet bus-bar again, to by inlet wire bus-bar 221 and melt One conducting terminal 232 of disconnected device 23 is connected, and outlet bus-bar 222 is connected with another conducting terminal 232 of fuse 23.
It is selected in the present embodiment and inlet wire bus-bar 221 is connected with the conducting terminal 232 of 23 right end of fuse, the congruence will be gone out Stream row 222 is connected with the conducting terminal 232 of 23 left end of fuse.
Complete inlet wire bus-bar 221 and outlet bus-bar 222 with after the connection of fuse 23, you can by screw by upper cover 211 are connected with pedestal 212, then the assembly of fuse assembly 2 is completed, and fuse assembly 2 is installed on inserting for lithium battery module 1 On junction plate 3.
It is respectively that the inlet wire bus-bar 221 of fuse assembly 2 and outlet bus-bar 222 is another when fuse assembly 2 is installed End is plugged on grafting panel 3, wherein inlet wire bus-bar 221 is connected with the one end for just entering bus-bar 51 by screw, is just entered The other end of bus-bar 51 is connected with lithium battery module 1, then goes out outlet bus-bar 222 and just the one of bus-bar 52 by screw End is connected, and is just going out the other end of bus-bar 52 and is being connected with total just plug connector 4, so as to by inlet wire bus-bar 221 and just enter remittance Fuse 23 51 is connected by stream row with lithium battery module 1, by outlet bus-bar 222 and just going out bus-bar 52 by fuse 23 and Total positive plug connector 4 is connected, then when lithium battery module 1 discharges, electric current is by inlet wire bus-bar 221 and is just entering the entrance of bus-bar 51 Fuse 23, and by outlet bus-bar 222 and just going out bus-bar 52 flowed out from fuse 23 and flow to lithium battery module 1 it is total just Plug connector 4, to open entire current path, wherein fuse 23 can automatically be melted when the electric current flowed through is more than specified value Break and circuit is made to disconnect, to realize the protection to battery modules.
In order to promote the leakproofness of fuse safety box 21, the pedestal 212 of fuse safety box 21 connects with upper cover 211 The end sleeve of one end be equipped with sealing ring 6, fuse safety box 21 pedestal 212 the one end that connects with grafting panel 3 end It is arranged with sealing ring 6, then after pedestal 212 is connect with upper cover 211, sealing ring 6 can ensure to be sealed between pedestal 212 and upper cover 211 Connection avoids the water inlet of fuse safety box that fuse is caused to damage, to effectively promote the sealing performance of fuse safety box.
As a preferred embodiment, the pedestal 212 of fuse safety box 21 and upper cover 211 use fireproof ABS material system At being more advantageous to protection and be assemblied in fuse in fuse safety box.
As a preferred embodiment, inlet wire bus-bar 221 and outlet bus-bar 222 are made of red copper, be conducive to be promoted into The conductive capability of line bus-bar and outlet bus-bar.
The lithium battery module with fuse assembly of the utility model, by the way that fuse 23 is assemblied in fuse safety In box 21, then the fuse safety box 21 for being equipped with fuse 23 is installed on outside battery modules, then being damaged in fuse needs When replacing, the dismounting of fuse can be completed under the premise of not disassembling battery modules, to solve the replacement of fuse difficulty The problem of.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (8)

1. a kind of lithium battery module with fuse assembly, including lithium battery module (1) and fuse assembly (2), feature It is, the fuse assembly (2) is installed on the outside of the grafting panel (3) of lithium battery module (1);
The fuse assembly (2) includes fuse safety box (21), fuse (23) and busbar assembly;
The fuse (23) includes fusion tube (231) and the conducting terminal (232) that extends from fusion tube (231) both ends, described to lead Electric terminal offers connection through-hole on (232);
The fuse safety box (21) includes upper cover (211) and pedestal (212), and the upper cover (211) is with pedestal (212) It is detachably connected;The accommodating cavity of setting fuse (23) in the pedestal (212) is and fusion tube in the middle part of the accommodating cavity (231) matched containing groove, the both ends for housing cavity are overlap joint boss, are offered on two overlap joint boss and conduction The corresponding screw through-hole of connection through-hole of terminal (232);
The busbar assembly includes inlet wire bus-bar (221) and outlet bus-bar (222);The inlet wire bus-bar (221) and Screw hole is all offered on outlet bus-bar (222), one end of the inlet wire bus-bar (221) passes through screw and fuse (23) A conducting terminal (232) be connected, the other end of the inlet wire bus-bar (221) with connect just entering for lithium battery module (1) Bus-bar (51) is connected, another conducting terminal that one end of the outlet bus-bar (222) passes through screw and fuse (23) (232) it is connected, the other end of the outlet bus-bar (222) is connected with the bus-bar (52) that just goes out for connecting total positive plug connector (4).
2. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that the pedestal (212) sealing ring (6) is set with upper cover (211) junction.
3. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that the pedestal (212) sealing ring (6) is set with grafting panel (3) junction.
4. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that the pedestal (212) pass through screw connection with upper cover (211).
5. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that the pedestal (212) it is made of fireproof ABS material with upper cover (211).
6. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that described into the congruence Stream row (221) and outlet bus-bar (222) are made of red copper.
7. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that described into the congruence Stream row (221) is connected with bus-bar (51) is just entered by screw.
8. a kind of lithium battery module with fuse assembly according to claim 1, which is characterized in that it is described go out the congruence Stream row (222) is connected with bus-bar (52) is just gone out by screw.
CN201820549373.8U 2018-04-18 2018-04-18 A kind of lithium battery module with fuse assembly Active CN207765529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820549373.8U CN207765529U (en) 2018-04-18 2018-04-18 A kind of lithium battery module with fuse assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820549373.8U CN207765529U (en) 2018-04-18 2018-04-18 A kind of lithium battery module with fuse assembly

Publications (1)

Publication Number Publication Date
CN207765529U true CN207765529U (en) 2018-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820549373.8U Active CN207765529U (en) 2018-04-18 2018-04-18 A kind of lithium battery module with fuse assembly

Country Status (1)

Country Link
CN (1) CN207765529U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117254220A (en) * 2023-11-15 2023-12-19 河南锂动电源有限公司 Overheat fusing type safe lithium battery pack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117254220A (en) * 2023-11-15 2023-12-19 河南锂动电源有限公司 Overheat fusing type safe lithium battery pack
CN117254220B (en) * 2023-11-15 2024-01-30 河南锂动电源有限公司 Overheat fusing type safe lithium battery pack

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