CN209447758U - A kind of fuse apparatus with cut-out function - Google Patents

A kind of fuse apparatus with cut-out function Download PDF

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Publication number
CN209447758U
CN209447758U CN201920094558.9U CN201920094558U CN209447758U CN 209447758 U CN209447758 U CN 209447758U CN 201920094558 U CN201920094558 U CN 201920094558U CN 209447758 U CN209447758 U CN 209447758U
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CN
China
Prior art keywords
fuse
pedestal
inserted sheet
base assembly
upper cover
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Application number
CN201920094558.9U
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Chinese (zh)
Inventor
金梦醒
张智玲
叶永福
李统刚
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Sichuan Yonggui Science and Technology Co Ltd
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Sichuan Yonggui Science and Technology Co Ltd
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Priority to CN201920094558.9U priority Critical patent/CN209447758U/en
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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model discloses a kind of fuse apparatus with cut-out function, including cover assembly, fuse and base assembly, the cover assembly is to be detachably connected with base assembly, fuse is installed on cover assembly and base assembly is formed by hollow cavity, the contact pin that cover assembly includes at least upper cover and is fixed on lid, base assembly includes at least pedestal and two inserted sheets for built-up circuit, the side of fuse is fixedly connected with an inserted sheet in pedestal and base assembly, the other side of fuse is detachably connected by an another inserted sheet for contact pin and pedestal and base assembly, the fuse apparatus with cut-out function of the utility model, the installation and disassembly control fuse on-off of upper cover can be passed through, to which contact pin is deviate from from inserted sheet immediately while opening upper cover in maintenance process, so that electricity inside fuse and battery pack Road disconnects, and avoids the risk for contacting electrical body in maintenance, improves the safety of maintenance and maintenance.

Description

A kind of fuse apparatus with cut-out function
Technical field
The utility model relates to New-energy electric vehicle technical field more particularly to a kind of fuse dresses with cut-out function It sets.
Background technique
With the continuous development of New-energy electric vehicle industry and technology, the application of battery pack is also more and more extensive, In the circuit design of entire battery pack, fuse is the important protective module of circuit system, it can cut in time in line short There is vital effect in power-off source to the safety of battery pack to protect the battery from damage.
Major part fuse is all fixedly mounted inside battery pack at present, when battery pack encounters trouble hunting or fuse It needs to carry out unpacking to battery pack when replacement, step is relatively complicated, needs to take considerable time.Also, due to fuse It is fixedly mounted on inside battery pack, disconnecting circuit need to be shifted to an earlier date when overhauling or replacing fuse, also therefore hold in the presence of when leaking operation Easily lead to the risk of operating personnel's electric shock.
Utility model content
Place in view of the shortcomings of the prior art, it is molten with cut-out function that the purpose of this utility model is to provide a kind of Disconnected device device, usually requires two inserted sheets for the fuse in existing battery pack and transfers it to access circuit, and It is most of fuse to be fixedly connected with inserted sheet to ensure the structure of internal circuit constant conduction using screw, cause examining The problem that disconnecting circuit need to be shifted to an earlier date when repairing and need to be low to the complex for operation step and safety of battery pack progress unpacking initiation, this reality With the novel fuse apparatus with cut-out function by the difference in height between two inserted sheets, fuse side is screwed company It connects, the other side is to be flexibly connected, can be by the installation and disassembly control fuse on-off of upper cover, to open in maintenance process Contact pin is deviate from from inserted sheet immediately while upper cover, so that fuse is disconnected with internal circuit, avoids and connects in maintenance The risk of electrical body is touched, the safety of maintenance and maintenance is improved.
The purpose of this utility model is achieved through the following technical solutions:
A kind of fuse apparatus with cut-out function, including cover assembly, fuse and base assembly, the cover assembly It is to be detachably connected with base assembly, fuse is installed on cover assembly and base assembly is formed by hollow cavity, upper cover The contact pin that component includes at least upper cover and is fixed on lid, base assembly includes at least pedestal and two are used for built-up circuit Inserted sheet, the side of fuse are fixedly connected with an inserted sheet in pedestal and base assembly, and the other side of fuse passes through contact pin It is detachably connected with an another inserted sheet for pedestal and base assembly, then the fuse apparatus with cut-out function of the utility model, Can by the installation of upper cover and disassembly control fuse on-off, thus while opening upper cover in maintenance process contact pin immediately from Deviate from inserted sheet, so that fuse is disconnected with battery pack internal circuit, avoid the risk for contacting electrical body in maintenance, Improve the safety of maintenance and maintenance.
Further, two inserted sheets of the base assembly are fixedly installed in pedestal and are integrally formed with pedestal, two One end of inserted sheet is set to for being connected with fuse in pedestal, and the other end of two inserted sheets stretches out from pedestal and protrudes into battery pack Box house is used to connect the internal circuit of battery pack, and two inserted sheets of base assembly are respectively the be fixedly connected with fuse One inserted sheet and the second inserted sheet being detachably connected with fuse, designing between the first inserted sheet and the second inserted sheet has difference in height, and first Mounting height of the inserted sheet on pedestal is higher than mounting height of second inserted sheet on pedestal, then when fuse is mounted on the base Afterwards, when not installing upper cover, it will form certain gap between fuse and the second inserted sheet, so that the second inserted sheet can not be with fusing Device contacts to form electrical connection, ensures at this time be off-state.
Further, two lateral edge same levels of the fuse are equipped with the first extended segment and the second extended segment, the The first connecting hole is offered on one extended segment, offers the second connecting hole on the second extended segment, and is equipped on the first extended segment A connection piece offers the first jack to connect with the first connecting hole, first inserted sheet, the second inserted sheet on the first connector It is L-shaped and be made of short side and long side, the second through-hole is offered on the short side of the second inserted sheet, is equipped with second in pedestal Connector offers the second jack to connect with the second through-hole, and the second jack, the second through-hole, first on the second connector Jack and the first connecting hole are matched with the contact pin on upper lid, then after fuse is mounted on the base, when installing upper cover, are inserted Needle will sequentially pass through the first jack, the first connecting hole, the second through-hole and be finally inserted into the second jack, thus realize fuse with Electrical connection between second inserted sheet.
Further, nut is installed, nut is connected with the short side of the first inserted sheet, the short side of the first inserted sheet in the pedestal On offer the first through hole to connect with the threaded hole of nut, the second extended segment of fuse pass through bolt and pedestal first Inserted sheet and nut connection, and it is bolted fuse and when pedestal, the short side of the first inserted sheet of pedestal and the second of fuse prolong It stretches section to be mutually close to, there are spaced cavities, successively by bolt between the second inserted sheet of pedestal and the first extended segment of fuse Across the second connecting hole, first through hole and the threaded hole of nut finally is screwed in, realizes the first inserted sheet and being electrically connected between fuse And fuse is fixed on pedestal;At this point, still there are spaced cavities not between the second inserted sheet and the first extended segment of fuse Connection is electrically connected so that the second inserted sheet can not be formed with fuse contact.
Further, it is equipped in the first jack of the first connector and the second jack of the second connector by conductive material Manufactured resilient contact.
Further, the resilient contact is cup spring or hat spring.
Further, the cover assembly also includes the first sealing ring, and the upper cover includes inner cavity and mounting surface, in upper cover Mounting surface be equipped with for install the groove of the first sealing ring, the first sealing ring, which is arranged, can further ensure upper cover and pedestal Leakproofness between connection.
Further, the upper cover is bolted with pedestal, by diagonal or circumferencial direction on the mounting surface of upper cover Also mounting screw is used at least provided with two mounting holes.
Further, the base assembly also includes the second sealing ring, and second sealing ring is sheathed on pedestal, setting Second sealing ring can further ensure the leakproofness between upper cover and the connection of pedestal.
The utility model compared with the prior art, have the following advantages that and the utility model has the advantages that
First, the upper cover of Fuse box during installation, can be set to battery pack by the fuse apparatus of the utility model On cabinet exterior, by pedestal in the cabinet of battery pack, then by fuse be installed on upper cover be formed by with pedestal it is hollow In inner cavity, have the advantages that it is compact-sized reduce fuse space occupied by battery pack box house, and in later maintenance When can individually open upper cover and overhauled or replaced fuse, avoid to battery pack entirety unpacking so that maintenance is more convenient, and It can effectively reduce maintenance cost;
Second, in the fuse apparatus of the utility model, between two inserted sheets in pedestal there are difference in height, fuses Side is fixedly connected with screw with an inserted sheet, and the other side is detachably connected by contact pin and another inserted sheet, can pass through upper cover Installation and disassembly control fuse on-off.Contact pin is deviate from from inserted sheet immediately while opening upper cover in maintenance process, melts Disconnected device is disconnected with internal circuit, is avoided the risk for contacting electrical body in maintenance, is improved the safety of maintenance and maintenance.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of the fuse apparatus of the utility model;
Fig. 2 is the schematic diagram of the upper cover of the fuse apparatus of the utility model;
Fig. 3 is the schematic diagram of the fuse of the fuse apparatus of the utility model;
Fig. 4 is the diagrammatic cross-section after the fuse of the utility model is mounted on the base;
Fig. 5 is that the fuse apparatus of the utility model completes the diagrammatic cross-section after installation.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
1- upper cover, the first sealing ring of 2-, 3- contact pin, the first connector of 4-, 5- fuse, 6- bolt, the second sealing ring of 7-, 8- pedestal, the first inserted sheet of 9-, the second inserted sheet of 10-, the second connector of 11-, 12- nut, 13- spaced cavities, 51- first extend Section, the second extended segment 52-, 101- mounting surface, 102- mounting hole, the inner cavity 103-, 200- cabinet wall.
Specific embodiment
The utility model is described in further detail below with reference to embodiment:
Embodiment
As shown in Figure 1, a kind of fuse apparatus with cut-out function, including cover assembly, fuse 5 and base assembly, The cover assembly and base assembly are to be detachably connected, during fuse 5 is installed on cover assembly and base assembly is formed by In empty inner cavity 103.
As shown in Fig. 2, cover assembly includes upper cover 1 and the contact pin being fixed in upper cover 13, specifically in the present embodiment, on Lid 1 is rectangular configuration, is equipped with inner cavity 103 and mounting surface 101, contact pin 3 is perpendicularly fixed in the inner cavity 103 of upper cover 1, and contact pin 3 For conductive base, it is made of an electrically conducting material.
Preferably, the groove for installing the first sealing ring 2 is equipped in the present embodiment on the mounting surface 101 of upper cover 1, And on mounting surface 101 by diagonal or circumferencial direction at least provided with two mounting holes 102, the number of mounting hole 102 in the present embodiment Amount is 6, is used for mounting screw.
As shown in figure 3, being equipped with the first extended segment 51 and second in two lateral edge same levels of fuse 5 in the present embodiment Extended segment 52 offers the first connecting hole on the first extended segment 51, offers the second connecting hole on the second extended segment 52, and first First connector 4 is installed on extended segment 51, and offers first to connect with the first connecting hole on the first connector 4 and inserts Hole.
As shown in Figures 4 and 5, in the present embodiment, base assembly includes the inserted sheet that pedestal 8 and two are used for built-up circuit, Two inserted sheets are fixedly installed in pedestal 8 and are integrally formed with pedestal 8, and one end of two inserted sheets, which is set in pedestal 8, to be used for and molten Disconnected device 5 is connected, and the other end of two inserted sheets stretches out from pedestal 8 and protrudes into the box house of battery pack for connecting in battery pack Portion's circuit.
Specifically, two inserted sheets of base assembly be respectively the first inserted sheet 9 for being fixedly connected with fuse 5 and with fusing The second inserted sheet 10 that device 5 is detachably connected, design has difference in height between the first inserted sheet 9 and the second inserted sheet 10, and the first inserted sheet 9 is the bottom of at Mounting height on seat 8 is higher than mounting height of second inserted sheet 10 on pedestal 8.
In the present embodiment, first inserted sheet 9, the second inserted sheet 10 is L-shaped and is made of short side and long side, second Offer the second through-hole on the short side of inserted sheet 10, the second connector 11 be installed in pedestal 8, offered on the second connector 11 with The second jack that second through-hole connects, and the second jack, the second through-hole, the first jack and the first connecting hole are and in upper cover 1 Contact pin 3 match.
Specifically, being equipped with nut 12 in pedestal 8, nut 12 is connected with the short side of the first inserted sheet 9, the first inserted sheet 9 Offer the first through hole to connect with the threaded hole of nut 12 on short side, the second extended segment 52 of fuse 5 by bolt 6 with The first inserted sheet 9 and nut 12 of pedestal 8 connect, and when bolt 6 connects fuse 5 and pedestal 8, the first inserted sheet 9 of pedestal 8 it is short Side is mutually close to the second extended segment 52 of fuse 5, the first extended segment 51 of the second inserted sheet 10 of pedestal 8 and fuse 5 it Between have spaced cavities 13.
Preferably, the second sealing ring 7 is equipped on the end face that pedestal 8 is connected with upper cover 1, the first of the first connector 4 The resilient contact being made of an electrically conducting material is mounted in second jack of jack and the second connector 11, in the present embodiment Resilient contact is cup spring or hat spring.
When installation, first by the installation of pedestal 8 into the cabinet wall 200 of battery pack, the first inserted sheet 9 and the second inserted sheet 10 from The end that pedestal 8 stretches out is protruded into battery pack cabinet and is connected with internal circuit, again puts fuse 5 after pedestal 8 is installed It is placed in the inner cavity 103 of pedestal 8, so that the short side of the first inserted sheet 9 of the bottom surface of the second extended segment 52 of fuse 5 and pedestal 8 Top surface be mutually close to, the bottom surface of the short side of the first inserted sheet 9 is mutually close to 12 top of nut, then sequentially passes through bolt 6 Second connecting hole, first through hole and the threaded hole for finally screwing in nut 12, realize the first inserted sheet 9 and being electrically connected between fuse 5 And fuse 5 is fixed on pedestal 8.
At this point, still have spaced cavities 13 not connected between the second inserted sheet 10 and the first extended segment 51 of fuse 5, so that Second inserted sheet 10 can not contact formation electrical connection with fuse 5.It ought only fuse 5 be installed on pedestal 8, upper cover be not installed When 1, certain gap will form between fuse 5 and the second inserted sheet 10, so that the second inserted sheet 10 can not contact shape with fuse 5 At electrical connection, ensure at this time be off-state.
After fuse 5 is installed on pedestal 8, when upper cover 1 is installed, upper cover 1 is fastened on pedestal 8, then contact pin 3 will be according to It is secondary to pass through the first jack, the first connecting hole, the second through-hole and be finally inserted into the second jack, and respectively with the first jack, second The resilient contacts such as cup spring, hat spring in jack come into full contact with, thus realize being electrically connected between fuse 5 and the second inserted sheet 10, Then the mounting hole 102 being opened on upper cover 1 and pedestal 8 is passed through by screw, upper cover 1 is connected with pedestal 8, so far, peace It installs into, and upper cover 1 is to be convexly equipped in battery pack tank surface at this time, is highly convenient for individually dismantling.
When needing to overhaul or replacing fuse 5, can directly dismantling connection upper cover 1 and pedestal 8 screw, then by upper cover 1 individually removes from pedestal 8, then contact pin 3 is successively exited from the second jack, the second through-hole, the first connecting hole, the first jack, So that fuse 5 and the second inserted sheet 10 restore to off-state, the maintenance or replacement of fuse 5 can be carried out, it is very convenient, and Since upper cover 1 is to be convexly equipped in battery pack tank surface, overhaul or replace fuse 5 when do not need to battery pack cabinet into Row unpacking also reduces maintenance cost so that maintenance is more convenient.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (9)

1. a kind of fuse apparatus with cut-out function, which is characterized in that including cover assembly, fuse (5) and base assembly, The cover assembly is to be detachably connected with base assembly, and fuse (5) is installed on cover assembly and is formed by with base assembly In hollow cavity (103), the contact pin (3) that cover assembly includes at least upper cover (1) and is fixed on upper cover (1), base assembly is extremely The inserted sheet of built-up circuit is used for comprising pedestal (8) and two less, in the side and pedestal (8) of fuse (5) and base assembly One inserted sheet is fixedly connected, and the other side of fuse (5) passes through contact pin (3) and pedestal (8) and another inserted sheet of base assembly It is detachably connected.
2. a kind of fuse apparatus with cut-out function according to claim 1, which is characterized in that the base assembly Two inserted sheets are fixedly installed in pedestal (8) and are integrally formed with pedestal (8), and one end of two inserted sheets, which is set in pedestal (8), to be used It is connected in fuse (5), the other end of two inserted sheets stretches out from pedestal (8) and protrudes into the box house of battery pack for connecting The internal circuit of battery pack, two inserted sheets of base assembly be respectively the first inserted sheet (9) being fixedly connected with fuse (5), with The second inserted sheet (10) that fuse (5) is detachably connected, design has difference in height between the first inserted sheet (9) and the second inserted sheet (10), First inserted sheet (9) is higher than the mounting height of the second inserted sheet (10) on pedestal (8) in the mounting height on pedestal (8).
3. a kind of fuse apparatus with cut-out function according to claim 2, which is characterized in that the fuse (5) Two lateral edge same levels be equipped with the first extended segment (51) and the second extended segment (52), offered on the first extended segment (51) The second connecting hole is offered on first connecting hole, the second extended segment (52), the first extended segment is equipped with the first connector on (51) (4), the first jack to connect with the first connecting hole is offered on the first connector (4), first inserted sheet (9), second insert Piece (10) is L-shaped and is made of short side and long side, offers the second through-hole, pedestal on the short side of the second inserted sheet (10) (8) it is equipped with the second connector (11) in, the second jack to connect with the second through-hole is offered on the second connector (11), and Second jack, the second through-hole, the first jack and the first connecting hole are matched with the contact pin (3) on upper cover (1).
4. a kind of fuse apparatus with cut-out function according to claim 3, which is characterized in that in the pedestal (8) It is equipped with nut (12), nut (12) is connected with the short side of the first inserted sheet (9), offers on the short side of the first inserted sheet (9) and spiral shell The second extended segment (52) of the first through hole that the threaded hole of female (12) connects, fuse (5) passes through bolt (6) and pedestal (8) The first inserted sheet (9) and nut (12) connection, and bolt (6) connection fuse (5) and when pedestal (8), the first of pedestal (8) inserts The short side of piece (9) is mutually close to the second extended segment (52) of fuse (5), the second inserted sheet (10) and fuse of pedestal (8) (5) there are spaced cavities (13) between the first extended segment (51).
5. a kind of fuse apparatus with cut-out function according to claim 3, which is characterized in that the first connector (4) The first jack and the second connector (11) the second jack in the resilient contact being made of an electrically conducting material is installed.
6. a kind of fuse apparatus with cut-out function according to claim 5, which is characterized in that the resilient contact For cup spring or hat spring.
7. according to claim 1 to any a kind of fuse apparatus with cut-out function in 6, which is characterized in that described Cover assembly also includes the first sealing ring (2), and the upper cover (1) includes inner cavity (103) and mounting surface (101), in upper cover (1) Mounting surface (101) is equipped with the groove for installing the first sealing ring (2).
8. a kind of fuse apparatus with cut-out function according to claim 7, which is characterized in that the upper cover (1) with Pedestal (8) is connected by bolt (6), by diagonal or circumferencial direction also at least provided with two on the mounting surface (101) of upper cover (1) Mounting hole (102) is used for mounting screw.
9. according to claim 1 to any a kind of fuse apparatus with cut-out function in 6, which is characterized in that described Base assembly also includes the second sealing ring (7), and second sealing ring (7) is sheathed on pedestal (8).
CN201920094558.9U 2019-01-21 2019-01-21 A kind of fuse apparatus with cut-out function Active CN209447758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920094558.9U CN209447758U (en) 2019-01-21 2019-01-21 A kind of fuse apparatus with cut-out function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920094558.9U CN209447758U (en) 2019-01-21 2019-01-21 A kind of fuse apparatus with cut-out function

Publications (1)

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CN209447758U true CN209447758U (en) 2019-09-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276763A (en) * 2020-02-14 2020-06-12 威马智慧出行科技(上海)有限公司 Power-off maintenance device, battery pack and maintenance method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276763A (en) * 2020-02-14 2020-06-12 威马智慧出行科技(上海)有限公司 Power-off maintenance device, battery pack and maintenance method thereof

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