CN208507617U - Manual maintenance switch - Google Patents
Manual maintenance switch Download PDFInfo
- Publication number
- CN208507617U CN208507617U CN201821177768.6U CN201821177768U CN208507617U CN 208507617 U CN208507617 U CN 208507617U CN 201821177768 U CN201821177768 U CN 201821177768U CN 208507617 U CN208507617 U CN 208507617U
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- China
- Prior art keywords
- fuse
- pedestal
- shell
- conductive terminal
- manual maintenance
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Abstract
The utility model provides a kind of manual maintenance switch (MSD) comprising: upper cover, pedestal and fuse.Fuse includes main part；And two interconnecting pieces.Upper cover includes: two shells, along its length interval setting.Each shell is located at the side of pedestal along short transverse and is fixed on pedestal, and at least part of the main part of fuse is located between two shells, and each interconnecting piece is contained in one shell of correspondence of upper cover.Since the part of the main part of fuse being located between two shells is directly exposed to air, to which MSD can realize the heat dissipation to fuse by the convection action of air, thereby enhance the heat-sinking capability of fuse, so that MSD can sufficiently use the conveyance capacity of fuse, the conveyance capacity of MSD is substantially increased.When it is applied in battery product, allows bigger electric current to pass through in the case where the constancy of volume of fuse, thereby increase MSD to the overcurrent protection range of battery product.
Description
Technical field
The utility model relates to battery technology fields more particularly to a kind of manual maintenance to switch.
Background technique
With new energy Industry Quick Development, high-voltage safety problem is of interest by people.Currently, by going here and there in circuit
Joining a manual maintenance knob (MSD, Manual Service Disconnect) ensures to automatically cut off protection when high pressure electrical anomaly
Circuit safety.
MSD generally includes pedestal, fuse and upper cover.In order to guarantee the sealing performance of MSD and facilitate cutting, MSD assembly
In the sealing accommodating chamber that fuse is integrally located at pedestal after the completion and upper cover is formed, when MSD continues overcurrent, the heat production of fuse
It is difficult to spread out from accommodating chamber, it is more serious so as to cause fuse electric current drop volume, and then MSD is caused to be unable to fully using molten
The conveyance capacity (being typically only capable to using the 40%-50% for arriving fuse rated current itself) of disconnected device.
Utility model content
In view of the problems in the background art, the purpose of this utility model is to provide a kind of MSD, fuse dissipates
Thermal energy power is strong, improves the conveyance capacity of MSD, when it is applied in battery product, increases MSD to the overcurrent of battery product
Protection scope.
To achieve the goals above, the utility model provides a kind of MSD comprising: upper cover, pedestal；And fuse.
Fuse includes main part；And two interconnecting pieces, interval setting, each interconnecting piece protrude from main part along its length.Upper cover
It include: two shells, interval setting along its length.Each shell is located at the side of pedestal along short transverse and is fixed on pedestal,
At least part of the main part of fuse is located between two shells, and each interconnecting piece is contained in one shell of correspondence of upper cover
In.
Each shell of upper cover includes flat part；And extension, flat part is protruded from along short transverse and is formed with receiving
Chamber.The flat part of each shell is fixed on pedestal, the accommodating chamber of extension accommodates in one interconnecting piece of correspondence of fuse.
The part far from each interconnecting piece of the main part of fuse is between two shells, close each connection of main part
The part in portion is located in the accommodating chamber of the extension of corresponding shell.The extension of each shell is sealedly attached to fuse
Main part.
Manual maintenance switch further include: two conductive terminals, interval setting, each conductive terminal are fixed on bottom along its length
Seat.Each shell also includes the first mounting hole, penetrates through flat part along short transverse and is connected to the accommodating chamber of extension.Each conduction
In the accommodating chamber for the extension that a part of terminal protrudes into the shell via the first mounting hole of corresponding shell and it is connected to molten
The corresponding interconnecting piece of disconnected device.
Each shell also includes the second mounting hole, extends and be connected to the accommodating chamber of extension along its length.Upper cover is also wrapped
Include: two sealing knobs are fixedly connected on the shell with merging with the second mounting hole of corresponding housing respectively, and respectively seal knob
Seal corresponding second mounting hole.
Pedestal includes base body；And two through-holes, interval setting, each through-hole are connected to corresponding shell along its length
First mounting hole of body.Each conductive terminal includes the first contact portion, and a part stretches out one through-hole of correspondence of pedestal and fixed company
It is connected to the corresponding interconnecting piece of fuse；And second contact portion, positioned at the side backwards to upper cover of base body.
Each conductive terminal also includes the second connecting hole, is set to the second contact portion.Manual maintenance switch further include: two
Attaching nut is individually fixed in the second contact portion of each conductive terminal, and each attaching nut is connected to corresponding conductive terminal
Second connecting hole.
Each conductive terminal also includes the first opening, inwardly concaves from the outer surface of the first contact portion.Pedestal also has
Have: embedded division is embedded in the first opening of each conductive terminal.
Pedestal also includes two support portions, and interval setting, each support portion protrude from pedestal along short transverse along its length
Main body.Each through-hole penetrates through base body along short transverse and corresponding support portion, the first contact portion of each conductive terminal are fixed on
Base body and corresponding support portion.
Pedestal also includes two recess portions, is formed in the side backwards to installation panel of base body, and each recess portion is connected to
A corresponding through-hole.Second contact portion of each conductive terminal is fixed in one recess portion of correspondence of pedestal.
The beneficial effects of the utility model are as follows:
Since the part of the main part of fuse being located between two shells is directly exposed to air, so that MSD can
The heat dissipation to fuse is realized by the convection action of air, the heat-sinking capability of fuse is thereby enhanced, so that MSD energy
Enough conveyance capacities for sufficiently using fuse, substantially increase the conveyance capacity of MSD.When it is applied in battery product,
It allows bigger electric current to pass through in the case where the constancy of volume of fuse, thereby increases MSD and the overcurrent of battery product is protected
Protect range.
Detailed description of the invention
Fig. 1 is the explosive view of MSD according to the present utility model, and shows the installation of the battery product for installing MSD
Panel.
Fig. 2 is the installation diagram of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the cross-sectional view after the line A-A cutting in Fig. 3.
Fig. 5 is the exploded view of the upper cover of MSD.
Fig. 6 is the perspective view of the shell in Fig. 5.
Fig. 7 is the conductive terminal of MSD and the installation diagram of pedestal.
Fig. 8 is the conductive terminal of MSD, the connection relationship diagram of gasket seal and pedestal.
Fig. 9 is the back view of the pedestal of MSD.
Wherein, the reference numerals are as follows:
11 upper cover, 123 support portion
111 shell, 124 recess portion
1111 flat part, 13 fuse
1112 extension, 131 main part
1113 first mounting groove, 132 interconnecting piece
1114 second mounting groove, 1321 mounting hole
1115 first mounting hole, 14 conductive terminal
1116 second mounting hole, 141 first contact portion
112 first sealing ring, 142 second contact portion
113 second sealing ring, 143 first connecting hole
114 sealing 144 second connecting holes of knob
1141 body parts 145 first opening
1142 protruding portion, 15 attaching nut
1143 handle portion, 16 gasket seal
1144 third mounting grooves 2 install panel
115 third sealing ring, 21 through hole
12 pedestal S fasteners
121 base body H short transverses
1211 container L length directions
122 through-hole W width directions
Specific embodiment
It is described in detail MSD according to the present utility model with reference to the accompanying drawings.
Referring to figs. 1 to Fig. 4, MSD according to the present utility model includes: upper cover 11；13, two pedestal 12, fuse conductions
Terminal 14, attaching nut 15 and gasket seal 16.
When the MSD of the utility model be applied to battery product in when, the upper cover 11 of MSD be located at battery product cabinet outside and
At least part of pedestal 12 is located in the cabinet of battery product.Wherein, the cabinet of battery product includes installation panel 2, installation
Panel 2 can be fixed together by the upper cover 11 and pedestal 12 of fastener S and MSD, and gasket seal 16 is fixedly installed
Between pedestal 12 and installation panel 2.
Referring to Fig. 4, upper cover 11 is located at the side of pedestal 12 along height direction H and is fixed on pedestal 12.The fixed peace of pedestal 12
Fill two conductive terminals 14, and the interval L is arranged and passes through fuse 13 and is cascaded two conductive terminals 14 along its length.
Wherein, MSD is accessed by two conductive terminals 14 in the high-tension circuit of battery product, the electricity in the high-tension circuit of battery product
When flowing through big, fuse 13 generates enough heats and makes itself to fuse, and is achieved in the overcurrent protection to battery product.
Referring to figs. 1 to Fig. 4, fuse 13 can include main part 131；And two interconnecting pieces 132, along its length between L
Every setting, each interconnecting piece 132 protrudes from main part 131.Two conductive terminals 14 are connected to correspondence one of fuse 13
Interconnecting piece 132.
Referring to Fig.1 and Fig. 5, upper cover 11 may include two shells, 111, two the first sealing rings, 112, two the second sealing rings
113 and two sealing knobs 114.
Referring to Figure 2 to Figure 4, the interval L is arranged two shells 111 of upper cover 11 along its length, and each shell 111 is along height
Direction H is located at the side of pedestal 12 and is fixed on pedestal 12.At least part of the main part 131 of fuse 13 is located at two shells
Between body 111, and each interconnecting piece 132 is contained in one shell 111 of correspondence of upper cover 11.
Since the part of the main part 131 of fuse 13 being located between two shells 111 is directly exposed to air, from
And MSD can realize the heat dissipation to fuse 13 by the convection action of air, thereby enhance heat-sinking capability (its of fuse 13
Compared with the MSD in background technique, 20%) conveyance capacity of fuse 13 can at least be promoted, so that MSD can be abundant
Using the conveyance capacity of fuse 13, the conveyance capacity of MSD is substantially increased.When it is applied in battery product, fusing
Bigger electric current can be made to pass through in the case where the constancy of volume of device 13, thereby increase MSD to the overcurrent protection model of battery product
It encloses.Also, in the case where the use demand of battery product is constant, the fuse of lower conveyance capacity is also can be selected in battery product
13, so that the cost of fuse 13 declines, thereby assist in save the cost.
Each interconnecting piece 132 of fuse 13 is made of an electrically conducting material.Main part 131 includes being connected to two interconnecting pieces 132
Current-carrying part and the ceramic tube body that is coated on the outside of the current-carrying part.The current-carrying part of main part 131 is connect with two
Portion 132 is formed together the melt of fuse 13, and ceramic tube body is for conducting the heat that melt generates in time to outside.Work as electricity
When electric current in the high-tension circuit of pond product is excessive, the melt of fuse 13 generates enough heats simultaneously under the action of super-high-current
Make itself to fuse, is achieved in the overcurrent protection to battery product.
Referring to Figure 2 to Figure 4 and Fig. 6, each shell 111 of upper cover 11 can include flat part 1111；And extension
1112, flat part 1111 is protruded from along height direction H and is formed with accommodating chamber.The flat part 1111 of each shell 111 is fixed on bottom
One interconnecting piece 132 of correspondence of seat 12, the accommodating chamber of extension 1112 receiving fuse 13.
Referring to fig. 4 to fig. 6, each shell 111 can also include the first mounting groove 1113, be set to flat part 1111 towards
The side of pedestal 12.First sealing ring 112 of upper cover 11 is set in the first mounting groove 1113 of each shell 111, when MSD is applied
When in battery product, the first sealing ring 112 is tightly connected the flat part 1111 of each shell 111 and the installation panel of battery product
2。
Referring to Fig. 3 and Fig. 4, the part far from each interconnecting piece 132 of the main part 131 of fuse 13 is located at two shells
Between 111, main part 131 close to each interconnecting piece 132 part be located at corresponding shell 111 extension 1112 receipts
In cavity, and the extension 1112 of each shell 111 is sealedly attached to the main part 131 of fuse 13.
In order to realize the sealed connection between the extension 1112 of each shell 111 and the main part 131 of fuse 13, reference
Fig. 3, Fig. 4 and Fig. 6, each shell 111 can also include the second mounting groove 1114, be set to extension 1112.Second sealing ring 113
It is set in the second mounting groove 1114 of each shell 111 and is tightly connected the main part 131 of fuse 13 and prolonging for each shell 111
Extending portion 1112.
Referring to Fig. 4 and Fig. 6, each shell 111 can also include the first mounting hole 1115, penetrate through flat part along height direction H
1111 and it is connected to the accommodating chamber of extension 1112.A part of each conductive terminal 14 is pacified via the first of corresponding shell 111
Fill in the accommodating chamber for the extension 1112 that the shell 111 is protruded into hole 1115 and be connected to the corresponding interconnecting piece 132 of fuse 13.
In order to which MSD is installed on battery product, referring to Fig.1, the installation panel 2 of battery product can be arranged along height direction H
There are two through hole 21, the interval L is arranged two through holes 21 along its length, and each through hole 21 is connected to corresponding shell
111 the first mounting hole 1115.During the installation process, described a part of each conductive terminal 14 is via the correspondence for installing panel 2
One through hole 21, corresponding shell 111 the first mounting hole 1115 protrude into the shell 111 extension 1112 accommodating chamber
It is interior, to be connected to the corresponding interconnecting piece 132 of fuse 13.
For the ease of realizing the installation and removal between each conductive terminal 14 interconnecting piece 132 corresponding with fuse 13,
Referring to Fig. 4 and Fig. 6, each shell 111 can also include the second mounting hole 1116, and L extends and is connected to extension along its length
1112 accommodating chamber.Two sealing knobs 114 match to merge with the second mounting hole 1116 of corresponding housing 111 respectively to be fixedly connected on
The shell 111, and each sealing knob 114 seals the second mounting hole 1116 of corresponding housing 111.
Referring to Fig. 2, Fig. 4 and Fig. 5, each knob 114 that seals can include body part 1141；Protruding portion 1142, is connected to ontology
Portion 1141；Handle portion 1143, L and protruding portion 1142 are oppositely arranged and are connected to body part 1141 along its length.Each sealing rotary
Second mounting hole 1116 of the protruding portion 1142 of button 114 and corresponding housing 111 cooperate be fixedly connected each sealing knob 114 with it is right
The shell 111 answered.
Specifically, the second mounting hole 1116 of each shell 111 can be threaded hole, each protruding portion 1142 for sealing knob 114
It may be provided with external screw thread, the second mounting hole 1116 of each protruding portion 1142 for sealing knob 114 and corresponding housing 111 is threadedly engaged
To be fixedly connected with each sealing knob 114 and corresponding shell 111.
Referring to Fig. 5, each knob 114 that seals can also include third mounting groove 1144, be set to body part 1141.Referring to figure
4, third sealing ring 115 is set in the third mounting groove 1144 of each sealing knob 114, for being tightly connected each sealing knob
114 with corresponding shell 111.
Referring to Fig.1, Fig. 4 and Fig. 7 to Fig. 9, pedestal 12 can include base body 121；And two through-holes 122, along length
The setting of the interval direction L is spent, and each through-hole 122 is connected to the first mounting hole 1115 of corresponding housing 111 along height direction H.Respectively lead
Electric terminal 14 can include the first contact portion 141, and a part stretches out one through-hole 122 of correspondence of pedestal 12 and is connected to fuse
13 corresponding interconnecting piece 132；And second contact portion 142, positioned at the side backwards to upper cover 11 of base body 121.When this
When the MSD of utility model is applied in battery product, MSD accesses battery by the second contact portion 142 of two conductive terminals 14
In the high-tension circuit of product.
Referring to Fig.1, each conductive terminal 14 can also include the first connecting hole 143, be set to the first contact portion 141.Fuse
13 each interconnecting piece 132 may be provided with: mounting hole 1321, is connected to the first connecting hole 143 and is provided with internal screw thread.Reference Fig. 4,
The mounting hole 1321 of each interconnecting piece 132 of fuse 13 is threadedly engaged to be fixedly connected with the of each conductive terminal 14 with fastener S
One contact portion 141 interconnecting piece 132 corresponding with fuse 13.
In order to realize the connection between the second contact portion 142 of each conductive terminal 14 and the high-tension circuit of battery product, join
According to Fig. 1, each conductive terminal 14 can also include the second connecting hole 144, be set to the second contact portion 142.Two attaching nuts 15 divide
Gu Ding not be (as riveted) in the second contact portion 142 of each conductive terminal 14, and each attaching nut 15 is connected to corresponding conducting end
Second connecting hole 144 of son 14.At this point, each attaching nut 15 can be by being threadedly engaged, by each conductive terminal 14 with fastener S
The second contact portion 142 be connected to battery product box house conducting connecting part.
Each conductive terminal 14 can be fixed in pedestal 12 by injection molding, and in order to further enhance each conductive terminal 14 and bottom
Bonding strength between seat 12, referring to Fig.1, each conductive terminal 14 can also include the first opening 145, from the first contact portion 141
Outer surface inwardly concaves.In injection moulding process, first opening 145 of the injected plastics material full of each conductive terminal 14 simultaneously forms bottom
The embedded division 125 of seat 12, in other words, the embedded division 125 being consequently formed are embedded in the first opening 145 of each conductive terminal 14,
As shown in Figure 8.
Referring to Fig.1, Fig. 4, Fig. 7 and Fig. 8, pedestal 12 can also include two support portions 123, and the interval L is set along its length
It sets, each support portion 123 protrudes from base body 121 along height direction H.Each through-hole 122 penetrates through base body along height direction H
121 and corresponding support portion 123.First contact portion 141 of each conductive terminal 14 while being arranged in corresponding through-hole 122,
Each first contact portion 141 is fixed on base body 121 and corresponding support portion 123.This setup enhances each conducting end
Bonding strength between son 14 and pedestal 12.
Referring to Fig. 4 and Fig. 9, pedestal 12 can also include two recess portions 124, be formed in the upper cover 11 backwards of base body 121
Side, and each recess portion 124 is connected to a corresponding through-hole 122.Second contact portion 142 of each conductive terminal 14 is fixed on pedestal
In 12 one recess portion 124 of correspondence.Since the second contact portion 142 of each conductive terminal 14 also is secured to pedestal 12, thus into one
Step enhances the bonding strength between each conductive terminal 14 and pedestal 12.
For the ease of installing gasket seal 16, referring to Fig.1 and Fig. 8, base body 121 may be provided with container 1211, close
Gasket 16 is contained in the container 1211 of base body 121.
Fastener S described above can be bolt.
Claims (10)
1. a kind of manual maintenance switch, comprising:
Upper cover (11)；
Pedestal (12)；And
Fuse (13), comprising: main part (131)；And two interconnecting pieces (132), the interval (L) setting along its length, respectively
Interconnecting piece (132) protrudes from main part (131)；
It is characterized in that,
Upper cover (11) includes: two shells (111), along its length the interval (L) setting；
Each shell (111) is located at the side of pedestal (12) along short transverse (H) and is fixed on pedestal (12), the master of fuse (13)
At least part in body portion (131) is located between two shells (111), and each interconnecting piece (132) is contained in the correspondence of upper cover (11)
In one shell (111).
2. manual maintenance switch according to claim 1, which is characterized in that
Each shell (111) of upper cover (11) includes flat part (1111)；And extension (1112), it is prominent along short transverse (H)
In flat part (1111) and it is formed with accommodating chamber；
The flat part (1111) of each shell (111) is fixed on the accommodating chamber receiving fuse of pedestal (12), extension (1112)
(13) in one interconnecting piece (132) of correspondence.
3. manual maintenance switch according to claim 2, which is characterized in that
The part far from each interconnecting piece (132) of the main part (131) of fuse (13) is located between two shells (111), is main
The part close to each interconnecting piece (132) in body portion (131) is located at the receiving of the extension (1112) of corresponding shell (111)
It is intracavitary；
The extension (1112) of each shell (111) is sealedly attached to the main part (131) of fuse (13).
4. manual maintenance switch according to claim 2, which is characterized in that
Manual maintenance switch further include: two conductive terminals (14), the along its length interval (L) setting, each conductive terminal (14)
It is fixed on pedestal (12)；
Each shell (111) also includes the first mounting hole (1115), along short transverse (H) perforation flat part (1111) and is connected to
The accommodating chamber of extension (1112)；
A part of each conductive terminal (14) protrudes into the shell via the first mounting hole (1115) of corresponding shell (111)
(111) accommodating chamber of extension (1112) is interior and is connected to the corresponding interconnecting piece (132) of fuse (13).
5. manual maintenance switch according to claim 4, which is characterized in that
Each shell (111) also includes the second mounting hole (1116), and (L) extends and be connected to extension (1112) along its length
Accommodating chamber；
Upper cover (11) further include: two sealing knobs (114) are matched with the second mounting hole (1116) of corresponding housing (111) respectively
Merging is fixedly connected on the shell (111), and respectively sealing knob (114) seals corresponding second mounting hole (1116).
6. manual maintenance switch according to claim 4, which is characterized in that
Pedestal (12) includes base body (121)；And two through-holes (122), the interval (L) setting along its length, each through-hole
(122) it is connected to the first mounting hole (1115) of corresponding housing (111)；
Each conductive terminal (14) includes the first contact portion (141), and a part stretches out one through-hole (122) of correspondence of pedestal (12)
And it is fixedly connected on the corresponding interconnecting piece (132) of fuse (13)；And second contact portion (142), it is located at base body
(121) the side backwards to upper cover (11).
7. manual maintenance switch according to claim 6, which is characterized in that
Each conductive terminal (14) also includes the second connecting hole (144), is set to the second contact portion (142)；
Manual maintenance switch further include: two attaching nuts (15) are individually fixed in the second contact portion of each conductive terminal (14)
(142), and each attaching nut (15) is connected to the second connecting hole (144) of corresponding conductive terminal (14).
8. manual maintenance switch according to claim 6, which is characterized in that
Each conductive terminal (14) also includes the first opening (145), inwardly concaves from the outer surface of the first contact portion (141)；
Pedestal (12) also includes embedded division (125), is embedded in the first opening (145) of each conductive terminal (14).
9. manual maintenance switch according to claim 4, which is characterized in that
Pedestal (12) also includes two support portions (123), along its length the interval (L) setting, and each support portion (123) is along height
Direction (H) protrudes from base body (121)；
Each through-hole (122) is along short transverse (H) perforation base body (121) and corresponding support portion (123), each conductive terminal
(14) the first contact portion (141) is fixed on base body (121) and corresponding support portion (123).
10. manual maintenance switch according to claim 6, which is characterized in that
Pedestal (12) also includes two recess portions (124), is formed in the side backwards to installation panel (2) of base body (121),
And each recess portion (124) is connected to a corresponding through-hole (122)；
The second contact portion (142) of each conductive terminal (14) is fixed in one recess portion (124) of correspondence of pedestal (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177768.6U CN208507617U (en) | 2018-07-24 | 2018-07-24 | Manual maintenance switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177768.6U CN208507617U (en) | 2018-07-24 | 2018-07-24 | Manual maintenance switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507617U true CN208507617U (en) | 2019-02-15 |
Family
ID=65291169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177768.6U Active CN208507617U (en) | 2018-07-24 | 2018-07-24 | Manual maintenance switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208507617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223896A (en) * | 2019-05-20 | 2019-09-10 | 浙江永贵电器股份有限公司 | A kind of terminal assemblies and the Manual maintenance switch using the terminal assemblies |
-
2018
- 2018-07-24 CN CN201821177768.6U patent/CN208507617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223896A (en) * | 2019-05-20 | 2019-09-10 | 浙江永贵电器股份有限公司 | A kind of terminal assemblies and the Manual maintenance switch using the terminal assemblies |
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