CN203013598U - Isolating switch and breaker with same isolating switch - Google Patents
Isolating switch and breaker with same isolating switch Download PDFInfo
- Publication number
- CN203013598U CN203013598U CN 201220590738 CN201220590738U CN203013598U CN 203013598 U CN203013598 U CN 203013598U CN 201220590738 CN201220590738 CN 201220590738 CN 201220590738 U CN201220590738 U CN 201220590738U CN 203013598 U CN203013598 U CN 203013598U
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- China
- Prior art keywords
- accepting groove
- isolating switch
- power spring
- tool rest
- connecting portion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
An isolating switch comprises an isolator, a conductive spring, a tool rest and a rotating shaft. One end of the isolator is provided with a connection part which is provided with a first via hole, two side walls of the connection part are both provided with at least one accommodation groove with the first via hole as the center of circle. The conductive spring is accommodated in the accommodation groove. The tool rest comprises a plate-shaped tool rest body which is fixedly connected with an external support, the tool rest body is provided with two opposite projections, internal side surfaces of the two projections are provided with a conductive layer, the connection part is clamped between the two projections, and the conductive layer and the bottom of the accommodation groove are both abutted against the conductive spring. The rotating shaft passes through the two projections and the first via hole, and the isolator is movably connected with the tool rest. The above mentioned isolating switch enables the conductive layer of the tool rest and the isolator to be electrically connected through the conductive spring, and the whole conductive part is not exposed in external space, so that the cleanliness of the conductive part of the isolating switch is guaranteed, and the safety of the isolating switch is prevented from being influenced by dust. In addition, a breaker is provided.
Description
Technical field
The utility model relates to a kind of electric device, particularly relates to a kind of isolating switch and contains the circuit breaker of this isolating switch.
Background technology
Isolating switch is to use maximum a kind of electrical equipment in high-voltage switch electric appliance, plays buffer action in circuit.The principles and structure of itself is fairly simple, but because use amount is large, and functional reliability requires high, and is all larger on the impact of design, foundation and the safe operation of electric substation, power plant.
See also Fig. 1, Fig. 1 is the schematic diagram that the isolated switch main 1 above present circuit breaker is electrically connected to electric-conductor 2.Isolating switch is to carry out turning circuit by the form that is flexible coupling, and not only occupies the space but also dustproof.Therefore, can there be certain potential safety hazard in isolating switch in running, and accident rate is higher.
The utility model content
Based on this, be necessary to provide a kind of isolating switch that can prevent dust.
A kind of isolating switch comprises:
Disconnecting link, the one end is provided with connecting portion, and described connecting portion is provided with the first through hole, all offers at least one accepting groove as the center of circle take described the first through hole on the two side of described connecting portion;
Power spring is contained in described accepting groove;
Tool rest, comprise tabular tool rest body, described tool rest body is fixedly connected with extraneous supporter, described tool rest body is provided with two projections that relatively arrange, the medial surface of described two projections is provided with conductive layer, described connecting portion is held between described two projections, the bottom surface of described conductive layer and described accepting groove all with described power spring butt;
Described two projections and described the first through hole are passed in rotating shaft, and described disconnecting link and described tool rest are rotatably connected.
In an execution mode, described power spring connects from beginning to end and is circular, and is contained in described accepting groove therein.
In an execution mode, offer two accepting grooves on the sidewall of described connecting portion therein, described power spring is two.
Therein in an execution mode, described accepting groove comprises the first accepting groove and the second accepting groove, described the first accepting groove is positioned at the outside of described the second accepting groove, the width of described the first accepting groove is greater than the width of described the second accepting groove, described power spring comprises the first power spring and the second power spring, described the first power spring is contained in described the first accepting groove, described the second power spring is contained in described the second accepting groove, and the external diameter of described the first power spring is greater than the external diameter of described the second power spring.
In an execution mode, described power spring is Beryllium Bronze Spring therein.
Therein in an execution mode, described connecting portion and the cross section of stating projection are circle.
In an execution mode, the bottom surface of described accepting groove is arc surface therein, and the bottom surface of described accepting groove and described power spring connect.
In an execution mode, described rotating shaft comprises bolt and nut therein, and fastening described nut makes described nut clamp described connecting portion.
In an execution mode, be provided with conductive paste in described accepting groove therein.
A kind of circuit breaker also is provided.
A kind of circuit breaker comprises above-mentioned isolating switch.
The circuit breaker that contains above-mentioned isolating switch is compared with traditional circuit breaker, has the following advantages at least:
At first, above-mentioned isolating switch admittance electrical spring makes the conductive layer of tool rest be electrically connected to disconnecting link, and whole current-carrying part is not exposed in extraneous space, can guarantee the cleanliness factor of the current-carrying part of isolating switch, prevents from affecting due to dust the fail safe of isolating switch.
And above-mentioned isolating switch is simple in structure, takes up room little, is convenient to extensive use.
Again, the resistance to wear of Beryllium Bronze Spring is better, and above-mentioned isolating switch is used through long-time, still keeps good elasticity, guarantees that connecting portion and conducting surface keep being electrically connected to well.
Description of drawings
Fig. 1 is the structural representation of traditional isolating switch;
Fig. 2 is the end view of the isolating switch of an execution mode;
Fig. 3 is the schematic diagram of another angle of isolating switch shown in Figure 2;
Fig. 4 is the explosive view of isolating switch shown in Figure 2.
Embodiment
For the ease of understanding the utility model, the below is described more fully the utility model with reference to relevant drawings.Provided preferred embodiment of the present utility model in accompanying drawing.But the utility model can be realized in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make to disclosure of the present utility model understand more comprehensively thorough.
Need to prove, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have simultaneously centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique execution mode just for illustrative purposes.
Unless otherwise defined, all technology of using of this paper and scientific terminology are with to belong to the implication that those skilled in the art of the present utility model understand usually identical.The term that uses in specification of the present utility model herein is not intended to be restriction the utility model just in order to describe the purpose of specific embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 2 and Fig. 3, the circuit breaker (not shown) of present embodiment comprises isolating switch 100.The isolating switch 100 of present embodiment comprises disconnecting link 110, power spring 120, tool rest 130 and rotating shaft 140.
See also Fig. 4, disconnecting link 110 1 ends are provided with connecting portion 111, and connecting portion 111 is provided with the first through hole 113, all offer at least one accepting groove 115 as the center of circle take the first through hole 113 on the two side of connecting portion 111.
Specifically in the present embodiment, offer two accepting grooves 115 on the sidewall of connecting portion 111.Accepting groove 115 comprises the first accepting groove 115a and the second accepting groove 115b, and the first accepting groove 115a is positioned at the outside of the second accepting groove 115b, and the width of the first accepting groove 115a is greater than the width of the second accepting groove 115b.
Specifically in the present embodiment, power spring 120 is two.Power spring 120 comprises the first power spring 121 and the second power spring 122, and the external diameter of the first power spring 121 is greater than the external diameter of the second power spring 122.The first power spring 121 is contained in the first accepting groove 115a, and the second power spring 122 is contained in the second accepting groove 115b.Because accepting groove 115 is annular, power spring 120 head and the tail connect and are circular, are contained in accepting groove 115.The bottom surface of accepting groove 115 is arc surface, and the bottom surface of accepting groove 115 and power spring 120 connect.
Different apart from the radial distance of rotating shaft 140 according to power spring 120, the power spring 120 of design various outer diameter size, in rotation disconnecting link 110, make between conductive layer and connecting portion 111 stressed even, can guarantee that power spring 120 firmly contacts with accepting groove 115 and conductive layer, guarantee electric conductivity.
Be provided with the conductive paste (not shown) in accepting groove 115.Can strengthen power spring 120 on the one hand and be electrically connected to well with accepting groove 115 and conductive layer, also can strengthen on the other hand when rotating disconnecting link 110, reduce friction, play lubricated effect.
Be appreciated that accepting groove 115 can also be 3 or 4 etc.Power spring 120 is correspondingly 3 or 4 etc.Can also making for other conductive metallic materials of power spring 120, such as copper spring, alloy spring etc.
The first through hole 113 and the second through hole 137 are passed in rotating shaft 140, and disconnecting link 110 and tool rest 130 are rotatably connected.Rotating shaft 140 comprises bolt (not shown) and nut (not shown), and clamp nut clamps connecting portion 111.
Be appreciated that rotating shaft 140 can also be bearing pin.
The circuit breaker admittance electrical spring 120 that contains above-mentioned isolating switch 100 makes the conductive layer of tool rest 130 be electrically connected to disconnecting link 110, whole current-carrying part is not exposed in extraneous space, can guarantee the cleanliness factor of the current-carrying part of isolating switch 100, prevent from affecting due to dust the fail safe of isolating switch 100, to improve the fail safe of circuit breaker.And above-mentioned isolating switch 100 is simple in structure, takes up room little, is convenient to extensive use.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. an isolating switch, is characterized in that, comprising:
Disconnecting link, the one end is provided with connecting portion, and described connecting portion is provided with the first through hole, all offers at least one accepting groove as the center of circle take described the first through hole on the two side of described connecting portion;
Power spring is contained in described accepting groove;
Tool rest, comprise tabular tool rest body, described tool rest body is fixedly connected with extraneous supporter, described tool rest body is provided with two projections that relatively arrange, the medial surface of described two projections is provided with conductive layer, described connecting portion is held between described two projections, the bottom surface of described conductive layer and described accepting groove all with described power spring butt;
Described two projections and described the first through hole are passed in rotating shaft, and described disconnecting link and described tool rest are rotatably connected.
2. isolating switch according to claim 1, is characterized in that, described power spring connects from beginning to end and is circular, and is contained in described accepting groove.
3. isolating switch according to claim 1, is characterized in that, offers two accepting grooves on the sidewall of described connecting portion, and described power spring is two.
4. isolating switch according to claim 3, it is characterized in that, described accepting groove comprises the first accepting groove and the second accepting groove, described the first accepting groove is positioned at the outside of described the second accepting groove, the width of described the first accepting groove is greater than the width of described the second accepting groove, described power spring comprises the first power spring and the second power spring, described the first power spring is contained in described the first accepting groove, and described the second power spring is contained in the external diameter of described the first power spring in described the second accepting groove greater than the external diameter of described the second power spring.
5. isolating switch according to claim 1, is characterized in that, described power spring is Beryllium Bronze Spring.
6. isolating switch according to claim 1, is characterized in that, described connecting portion and state the projection cross section be circle.
7. isolating switch according to claim 1, is characterized in that, the bottom surface of described accepting groove is arc surface, and the bottom surface of described accepting groove and described power spring connect.
8. isolating switch according to claim 1, is characterized in that, described rotating shaft comprises bolt and nut, and fastening described nut makes described nut clamp described connecting portion.
9. isolating switch according to claim 1, is characterized in that, is provided with conductive paste in described accepting groove.
10. a circuit breaker, comprise isolating switch as described in claim 1 ~ 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590738 CN203013598U (en) | 2012-11-09 | 2012-11-09 | Isolating switch and breaker with same isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590738 CN203013598U (en) | 2012-11-09 | 2012-11-09 | Isolating switch and breaker with same isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013598U true CN203013598U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220590738 Expired - Fee Related CN203013598U (en) | 2012-11-09 | 2012-11-09 | Isolating switch and breaker with same isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
-
2012
- 2012-11-09 CN CN 201220590738 patent/CN203013598U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111971772A (en) * | 2018-04-11 | 2020-11-20 | Abb电网瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
| CN111971772B (en) * | 2018-04-11 | 2023-04-11 | 日立能源瑞士股份公司 | Flexible conductor for isolating switch and isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RAFFLES POWER ELECTRONIC EQUIPTMENT (SHENZHEN) COM Free format text: FORMER OWNER: TELLHOW (SHENZHEN) ELECTRIC TECHNOLOGIES CO., LTD. Effective date: 20140930 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140930 Address after: 518110 Guangdong city of Shenzhen province Baoan District Guanlan Street high-tech park Tellhow (Shenzhen) Industrial Park Building No. two North Building Patentee after: Raffles power electronic equipment (Shenzhen) Co., Ltd. Address before: Baoan District Guanlan town Shenzhen city Guangdong province 518110 Ring Road south view high tech Industrial Development Zone (Taihao Industrial Park) Patentee before: Tellhow Sci-tech Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |