CN208352210U - A kind of connection busbar and the dc circuit breaker using the busbar - Google Patents
A kind of connection busbar and the dc circuit breaker using the busbar Download PDFInfo
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- CN208352210U CN208352210U CN201820863193.7U CN201820863193U CN208352210U CN 208352210 U CN208352210 U CN 208352210U CN 201820863193 U CN201820863193 U CN 201820863193U CN 208352210 U CN208352210 U CN 208352210U
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- busbar
- fastener
- connection
- connection busbar
- contact
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Abstract
The utility model relates to a kind of connection busbar and use the dc circuit breaker of the busbar, the connection busbar has the contact joint face being bonded with contact, connection busbar is equipped with the interface channel passed through for threaded fastener and in interface channel one end for accommodating the attaching nut's slot being threadedly coupled with threaded fastener, the interface channel includes the fastener wears groove section being arranged on connection busbar and fastener perforated section, and the fastener perforated section is arranged between contact joint face and fastener wears groove section.The interface channel for connecting busbar and contact in the prior art is divided into fastener perforated section and fastener wears groove section, reduce the length for needing the hole of drilling, guarantee the machining accuracy of fastener perforation, and then guarantee and the position precision for the contact for connecting busbar connection, and the i.e. contact joint face of plane where the aperture for making fastener perforate is bonded with contact, solves the problems, such as that contact position precision is difficult to ensure in the prior art.
Description
Technical field
The utility model relates to a kind of connection busbar and use the dc circuit breaker of the busbar.
Background technique
Being widely popularized and applying with direct current transmission and distribution, the importance of dc circuit breaker is increasingly prominent to be come out.Due to straight
Natural zero-crossing point is not present in galvanic electricity compared with alternating current, therefore the arc extinguishing of dc circuit breaker implements and wants more difficult.Direct current
Breaker can be divided into according to arc quenching method: air type dc circuit breaker, solid-state direct-current breaker and mixed type dc circuit breaker,
In, mechanical dc circuit breaker is widely used at present because cost is relatively low；Air type breaker is developed by AC circuit breaker
, arc-control device is mainly made of dynamic/static contact, the road Pao Hu and arc-chutes, and the arc-control device of air type breaker is set
Meter should fully consider that equipment needs performance indicator, the physical characteristic of direct-current arc and temperature rise of arc-control device to be achieved etc., and
It is higher to the structural requirement of arc-control device and since direct-current arc is difficult to extinguish.The existing connection being connect with static contact
Busbar is as shown in Figures 1 to 5, and dc circuit breaker includes moving contact 1 and static contact 2, and static contact 2 passes through connection with busbar 3 is connect
Stud 4 links together, but needed on the connection busbar 3 of existing dc circuit breaker process longer connecting hole 5 so as to
It is installed for connecting stud 4, wherein connecting hole 5 constitutes interface channel, but existing processing technology is when processing longer connecting hole 5
The tolerance of connecting hole 5 not can guarantee generally within the scope of reasonable, and then be difficult to ensure the static contact connected with busbar 3 is connect
Position precision, influence the switching of dc circuit breaker.
Utility model content
The purpose of this utility model is to provide a kind of connection busbars, difficult with the position precision for solving contact in the prior art
The problem of to guarantee；In addition, the purpose of this utility model, which also resides in, provides a kind of dc circuit breaker using the busbar.
To achieve the above object, the technical solution of the connection busbar of the utility model is:
Busbar is connected, the connection busbar has the contact joint face being bonded with contact, and connection busbar is equipped with for screw thread
The interface channel and be used to accommodate the attaching nut being threadedly coupled with threaded fastener in interface channel one end that fastener passes through
Slot, the interface channel include that the fastener wears groove section being arranged on connection busbar and fastener perforated section, the fastener are worn
Hole section is arranged between contact joint face and fastener wears groove section.
The beneficial effects of the utility model are: the interface channel for connecting busbar and contact in the prior art is divided into fastener
Perforated section and fastener wears groove section reduce the length for needing the hole of drilling, guarantee the machining accuracy of fastener perforation, and then guarantee
With plane i.e. contact joint face where the aperture for connecting the position precision for the contact that busbar connects, and fastener being made to perforate and touching
Head fitting, does not change the contact area of connection busbar and contact, under the premise of not influencing to connect the temperature increase requirement of busbar, guarantees
The position precision of contact solves the problems, such as that contact position precision is difficult to ensure in the prior art.
Further, in order to improve the intensity for connecting busbar, the notch of the fastener wears groove section is placed perpendicular to connect
It is convenient that milling is carried out to connection busbar on the side for connecing busbar thickness direction, and improve and be used to support connection on connection busbar
The intensity of the Support Position of nut.
Further, in order to improve the bonding strength of connection busbar and contact, there are two the interface channel is set, two companies
Road is connected along the two sides for the central axes for connecting busbar thickness direction interval and being symmetricly set on connection busbar thickness direction, is passed through
Two threaded fasteners connect the bonding strength of busbar and contact to connect contact with busbar, raising is connected.
Further, in order to avoid the sliding of connection busbar, the connection busbar is perpendicular to connection busbar thickness direction
Side avoids connection busbar equipped with the support frame mating groove being used for and support frame cooperates in connection busbar length direction upper limit
The offset for leading to contact position along the length direction sliding of connection busbar influences the switching of breaker, and in connection busbar
On open up support frame mating groove, be correspondingly improved connection busbar heat dissipation area.
Further, in order to improve the intensity for connecting busbar, the notch of the fastener wears groove section includes being provided with support
Bottom wall notch section in the groove bottom wall of frame mating groove is supported by fastener wears groove section of the support frame to connection busbar, is mentioned
The intensity of height connection busbar.
The technical solution of the dc circuit breaker of the utility model is:
Dc circuit breaker includes contact and the connection busbar with contact conductive connection, and the connection busbar has and contact pastes
The contact joint face of conjunction, connection busbar are used for equipped with the interface channel passed through for threaded fastener and in interface channel one end
The attaching nut's slot being threadedly coupled with threaded fastener is accommodated, the interface channel includes the fastener being arranged on connection busbar
Wears groove section and fastener perforated section, the fastener perforated section are arranged between contact joint face and fastener wears groove section.
The beneficial effects of the utility model are: the interface channel for connecting busbar and contact in the prior art is divided into fastener
Perforated section and fastener wears groove section reduce the length for needing the hole of drilling, guarantee the machining accuracy of fastener perforation, and then guarantee
With plane i.e. contact joint face where the aperture for connecting the position precision for the contact that busbar connects, and fastener being made to perforate and touching
Head fitting, does not change the contact area of connection busbar and contact, under the premise of not influencing to connect the temperature increase requirement of busbar, guarantees
The position precision of contact solves the problems, such as that contact position precision not can guarantee in the prior art.
Further, in order to improve the intensity for connecting busbar, the notch of the fastener wears groove section is placed perpendicular to connect
It is convenient that milling is carried out to connection busbar on the side for connecing busbar thickness direction, and improve connection busbar and be used to support connection spiral shell
The intensity of female Support Position.
Further, in order to improve the bonding strength of connection busbar and contact, there are two the interface channel is set, two companies
Road is connected along the two sides for the central axes for connecting busbar thickness direction interval and being symmetricly set on connection busbar thickness direction, is passed through
Two threaded fasteners connect the bonding strength of busbar and contact to connect contact with busbar, raising is connected.
Further, in order to avoid the sliding of connection busbar, the connection busbar is perpendicular to connection busbar thickness direction
Side avoids connection busbar equipped with the support frame mating groove being used for and support frame cooperates in connection busbar length direction upper limit
The offset for leading to contact position along the length direction sliding of connection busbar influences the switching of breaker, and in connection busbar
On open up support frame mating groove, be correspondingly improved connection busbar heat dissipation area.
Further, in order to improve the intensity for connecting busbar, the notch of the fastener wears groove section includes being provided with support
Bottom wall notch section in the groove bottom wall of frame mating groove is supported by fastener wears groove section of the support frame to connection busbar, is mentioned
The intensity of height connection busbar.
Detailed description of the invention
Fig. 1 is the partial assembled schematic diagram of dc circuit breaker in the prior art；
Fig. 2 is the axonometric drawing of the connection busbar of dc circuit breaker in the prior art；
Fig. 3 is the main view of the connection busbar of dc circuit breaker in the prior art；
Fig. 4 is the side view of the connection busbar of dc circuit breaker in the prior art；
Fig. 5 is the top view of the connection busbar of dc circuit breaker in the prior art；
Fig. 6 is the axonometric drawing of the connection busbar of the specific embodiment 1 of the dc circuit breaker of the utility model；
Fig. 7 is the main view of the connection busbar of the specific embodiment 1 of the dc circuit breaker of the utility model；
Fig. 8 is the side view of the connection busbar of the specific embodiment 1 of the dc circuit breaker of the utility model；
Fig. 9 is Fig. 7 along line A-A cross-sectional view；
Figure 10 is the partial assembled schematic diagram of the specific embodiment 1 of the dc circuit breaker of the utility model；
Figure 11 is the partial assembled schematic diagram of the specific embodiment 1 of the dc circuit breaker of the utility model；
In figure: 6, connecting busbar；7, attaching nut's slot；8, fastener wears groove section；9, fastener perforated section；10, support frame
Mating groove；11, connecting stud；12, support frame.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the dc circuit breaker of the utility model, dc circuit breaker include moving contact, static contact and with it is quiet
The connection busbar 6 that contact is conductively connected, the connection busbar 6 in the present embodiment connect busbar 6 and are equipped with as shown in Fig. 6 to Figure 11
For the interface channel that connecting stud 11 installs, interface channel includes two parts, and a portion is fastener perforated section 9, another
Part is fastener wears groove section 8, connects the attaching nut's slot 7 for being additionally provided on busbar 6 and penetrating through with fastener wears groove section 8, is assembling
When the dc circuit breaker, wherein one section of thread segment is threadedly coupled connecting stud 11 with static contact, and another section of thread segment passes through connection
The fastener perforated section 9 and fastener wears groove section 8 of busbar 6 are simultaneously threadedly coupled with the attaching nut in attaching nut's slot 7, will be quiet
Contact and connection busbar 6 link together, and longer through-hole, that is, interface channel in existing connection busbar 6 is divided into fastener and is worn
Hole section 9 and fastener wears groove section 8 reduce the length for needing the hole of drilling, improve the position precision of static contact.Also, connection is female
Row 6 has the contact joint face being bonded with static contact, and fastener perforated section 9 is arranged in fastener wears groove section 8 and contact joint face
Between, compared with existing connection busbar 6, do not change the contact area of contact joint face, the temperature rise for meeting connection busbar 6 is wanted
It asks.In the present embodiment, due to using fastener wears groove section 8 for rectangular channel, the slot bottom of fastener wears groove section 8 and connecing for cell wall
At conjunction, cell wall with the joint for connecting 6 side of busbar be all made of rounded corner or chamfering, avoid point discharge, wherein connecting stud
11 constitute threaded fastener, and certainly, in other embodiments, connection busbar 6 can also be conductively connected with moving contact, screw threads for fastening
Part may be connection bolt.
In order to improve static contact and connect the bonding strength of busbar 6, in the present embodiment, there are two interface channel is set, two
Interface channel edge, which connects the thickness direction interval of busbar 6 and is symmetricly set on, connects two of the central axes on 6 thickness direction of busbar
Side, meanwhile, connecting stud 11, attaching nut are also correspondingly arranged two, are connected by two connecting studs 11 and attaching nut
Static contact and connection busbar 6 improve static contact and connect the bonding strength of busbar 6.Certainly, in other embodiments, connection is logical
Road also can be set one.
In the present embodiment, the short transverse of fastener wears groove section 8 is parallel to the thickness direction setting of connection busbar 6, makes two
The notch of a fastener wears groove section 8 is placed perpendicular on the side of the thickness direction of connection busbar 6, and makes two fastener wears grooves
The notch of section 8 is respectively facing the two sides of connection 6 thickness direction of busbar, avoids making when connecting the progress milling of 6 thickness direction of busbar
The excessively thin intensity for reducing connection busbar 6 of the cell wall of fastener wears groove section 8.Certainly, in other embodiments, two fastener wears grooves
The notch of section 8 can also be respectively facing the two sides of connection 6 width direction of busbar.
Since the intensity of 8 pairs of fastener wears groove section connection busbars 6 of processing cause certain weakening, in the present embodiment, direct current
Breaker is additionally provided with the support frame 12 of support connection busbar 6 and static contact, thickness side of the connection busbar 6 perpendicular to connection busbar 6
To side be equipped with support frame mating groove 10, support frame mating groove 10 connection 6 length direction of busbar on connect busbar 6 limit
Position cooperation avoids connection busbar 6 from sliding along its length, and support frame mating groove 10 is set with the one-to-one correspondence of fastener wears groove 8
It sets, is respectively arranged at the two sides of connection 6 thickness direction of busbar, support frame mating groove 10 is through connection 6 edge of busbar in the present embodiment
The two sides of its thickness direction, and support frame mating groove 10 is close to the cell wall and fastener wears groove section 8, fastener of contact joint face
The transition shoulder of perforated section 9 is overlapped, and the notch of fastener wears groove section 8 is provided entirely in the groove bottom wall of support frame mating groove 10
On, wherein the notch of fastener wears groove section 8 is arranged in the part in the groove bottom wall of support frame mating groove 10 and constitutes bottom wall notch
Section, certainly, in other embodiments, bottom wall notch section may be a part of the notch of fastener wears groove section 8；Support frame is matched
Closing slot 10 also can be set in any position of connection busbar 6, and specific location should be by the positional relationship of support frame 12 and static contact
Depending on.
The specific embodiment of the connection busbar of the utility model, the dc circuit breaker of the connection busbar and the utility model
Specific embodiment 1 described in connection busbar it is identical, repeat no more.
Claims (10)
1. a kind of connection busbar, the connection busbar has the contact joint face being bonded with contact, and connection busbar is equipped with for spiral shell
The interface channel and be used to accommodate the connection spiral shell being threadedly coupled with threaded fastener in interface channel one end that line fastener passes through
Female groove, it is characterised in that: the interface channel includes that the fastener wears groove section and fastener perforated section connected on busbar is arranged in,
The fastener perforated section is arranged between contact joint face and fastener wears groove section.
2. connection busbar according to claim 1, it is characterised in that: the notch of the fastener wears groove section is arranged vertical
In on the side of connection busbar thickness direction.
3. connection busbar according to claim 1, it is characterised in that: there are two the interface channel is set, two connections are logical
Two sides of the road along the central axes for connecting busbar thickness direction interval and being symmetricly set on connection busbar thickness direction.
4. connection busbar according to claim 1 or 2 or 3, it is characterised in that: the connection busbar is perpendicular to connection busbar
The side of thickness direction is equipped with the support frame mating groove being used for and support frame cooperates in connection busbar length direction upper limit.
5. connection busbar according to claim 4, it is characterised in that: the notch of the fastener wears groove section includes being provided with
Bottom wall notch section in the groove bottom wall of support frame mating groove.
6. dc circuit breaker, including contact and the connection busbar being conductively connected with contact, the connection busbar has to be pasted with contact
The contact joint face of conjunction, connection busbar are used for equipped with the interface channel passed through for threaded fastener and in interface channel one end
Accommodate the attaching nut's slot being threadedly coupled with threaded fastener, it is characterised in that: the interface channel includes that setting is female in connection
Fastener wears groove section and fastener perforated section on row, the fastener perforated section are arranged in contact joint face and fastener wears groove
Between section.
7. dc circuit breaker according to claim 6, it is characterised in that: the notch setting of the fastener wears groove section is being hung down
Directly on the side of connection busbar thickness direction.
8. dc circuit breaker according to claim 6, it is characterised in that: there are two the interface channel is set, two connections
Two sides of the channel along the central axes for connecting busbar thickness direction interval and being symmetricly set on connection busbar thickness direction.
9. dc circuit breaker described according to claim 6 or 7 or 8, it is characterised in that: the connection busbar is female perpendicular to connection
The side of row's thickness direction is equipped with the support frame mating groove being used for and support frame cooperates in connection busbar length direction upper limit.
10. dc circuit breaker according to claim 9, it is characterised in that: the notch of the fastener wears groove section includes opening
The bottom wall notch section being located in the groove bottom wall of support frame mating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820863193.7U CN208352210U (en) | 2018-06-05 | 2018-06-05 | A kind of connection busbar and the dc circuit breaker using the busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820863193.7U CN208352210U (en) | 2018-06-05 | 2018-06-05 | A kind of connection busbar and the dc circuit breaker using the busbar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352210U true CN208352210U (en) | 2019-01-08 |
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ID=64891988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820863193.7U Active CN208352210U (en) | 2018-06-05 | 2018-06-05 | A kind of connection busbar and the dc circuit breaker using the busbar |
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| Country | Link |
|---|---|
| CN (1) | CN208352210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
-
2018
- 2018-06-05 CN CN201820863193.7U patent/CN208352210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
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