CN111009439B - Circuit on-off switch - Google Patents
Circuit on-off switch Download PDFInfo
- Publication number
- CN111009439B CN111009439B CN201911252889.1A CN201911252889A CN111009439B CN 111009439 B CN111009439 B CN 111009439B CN 201911252889 A CN201911252889 A CN 201911252889A CN 111009439 B CN111009439 B CN 111009439B
- Authority
- CN
- China
- Prior art keywords
- connecting block
- switch
- shell
- switch cabinet
- switch shell
- Prior art date
- 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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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
- H01H15/02—Details
- H01H15/06—Movable parts; Contacts mounted thereon
- H01H15/10—Operating parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/40—Driving mechanisms having snap action
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a line on-off switch, wherein a first connecting block is matched with a second connecting block in a rotating way, one end of a first switch shell is connected with the inner wall of a switch cabinet through a reset spring, the other end of the first switch shell is provided with a pull wire, the pull wire extends out of the switch cabinet, one side of the second connecting block is provided with a first deflector rod, one end of the first deflector rod is fixedly connected with the second connecting block, the other end of the first deflector rod extends out of the switch cabinet, one end of the first deflector rod, which is far away from the second connecting block, is connected with the inner wall of the switch cabinet through a first pressure spring, the lower part of the first switch shell is provided with an arc-shaped first chute, the upper part of the switch cabinet is provided with a second chute, and the first deflector rod is matched with the first chute and the second chute for use. Simple operation, wide application and easy popularization.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a line on-off switch.
Background
In the field of power transmission, switch equipment is generally divided into a circuit breaker, a disconnecting switch, a load switch and the like, because the requirements on the switches are different due to different types of electric equipment, some require time delay to control the circuit to be opened and closed, and some require quick closing to reduce the occurrence of electric arcs; the circuit breaker is generally characterized by high insulation reliability, enough starting capacity, enough dynamic thermal stability, fast action speed and short arc quenching time. The high-voltage isolating switch is mostly applied to isolating voltage, and after the isolating switch is disconnected, an obvious visible disconnection point can be formed in a circuit, so that a reliable insulating gap is established, and the safety of maintenance personnel is ensured; the switching operation, during closing, earlier on isolator, later on the circuit breaker, during tripping operation, earlier disconnection circuit breaker, later disconnection isolator all because of area of contact is little among the prior art, and the tripping operation is broken off to the cause discontinuous outage, and voltage is unstable.
Disclosure of Invention
The invention aims to solve the technical problem of increasing the contact area, and provides a circuit on-off switch for solving the problem.
The object of the invention is achieved in the following way:
a circuit on-off switch comprises a switch cabinet, a first connecting block and a second connecting block which are connected with a lead are arranged in the switch cabinet, a slide way is arranged in the switch cabinet, a slidable first switch shell is arranged above the slide way, a second switch shell is fixedly connected below the slide way, the middle part of the first switch shell is hinged with the first connecting block through a first pin shaft, a first torsion spring is sleeved on the first pin shaft, one end of the first torsion spring is connected with the first switch shell, the other end of the first torsion spring is connected with the first connecting block, a second connecting block is hinged in the second switch shell through a second pin shaft, a second torsion spring is sleeved on the second pin shaft, one end of the second torsion spring is connected with the second switch shell, the other end of the second torsion spring is connected with the second connecting block, the first connecting block is in running fit with the second connecting block, one end of the first switch shell is connected with the inner wall of the switch cabinet through a reset spring, and the other end of the first switch shell is provided with a pull wire, the pull wire extends out of the switch cabinet, a first driving lever is arranged on one side of the second connecting block, one end of the first driving lever is fixedly connected with the second connecting block, the other end of the first driving lever extends out of the switch cabinet, one end, far away from the second connecting block, of the first driving lever is connected with the inner wall of the switch cabinet through a first pressure spring, an arc-shaped first sliding groove is formed in the lower portion of the first switch shell, a second sliding groove is formed in the upper portion of the switch cabinet, and the first driving lever is matched with the first sliding groove and the second sliding groove in use.
The stay wire is a nylon rope.
The first connecting block and the second connecting block are semicircular, and both the first connecting block and the second connecting block are made of copper materials.
The first sliding groove is in a quarter arc shape.
The second chute is L-shaped.
Compared with the prior art, the invention can increase the contact area of the wire contact through the rotating fit of the first connecting block and the second connecting block, and prevent the power-off tripping phenomenon.
Drawings
Fig. 1 is a schematic structural view of the present invention when energized.
Fig. 2 is a schematic diagram of the structure before power failure.
Fig. 3 is a schematic diagram of a power-off structure.
The switch cabinet comprises a switch cabinet 1, a first switch shell 2, a pull wire 3, a first driving lever 4, a return spring 5, a slideway 6, a first connecting block 7, a first pin shaft 8, a second switch shell 9, a second connecting block 10, a second pin shaft 11, a first rotating groove 12 and a second rotating groove 13.
Detailed Description
As shown in attached figures 1 to 3, a circuit on-off switch comprises a switch cabinet 1, a first connecting block 7 and a second connecting block 10 connected with a conducting wire are arranged inside the switch cabinet 1, a slideway 6 is arranged inside the switch cabinet 1, a slidable first switch shell 2 is arranged above the slideway 6, a second switch shell 9 is fixedly connected below the slideway 6, the first connecting block 7 is hinged at the middle part of the first switch shell 2 through a first pin 8, a first torsion spring is sleeved on the first pin 8, one end of the first torsion spring is connected with the first switch shell 2, a first rotating groove 12 matched with the first connecting block 7 for use is arranged at the middle part of the first switch shell 2, the other end of the first torsion spring is connected with the first connecting block 7, a second connecting block 10 is hinged in the second switch shell 9 through a second pin 11, a second torsion spring is sleeved on the second pin 11, one end of the second torsion spring is connected with the second switch shell 9, the other end of the second torsion spring is connected with the second connecting block 10, a second rotating groove 13 matched with the second connecting block 10 is arranged in the middle of the second switch shell 9, the first connecting block 7 is matched with the second connecting block 10 in a rotating way, one end of the first switch shell 2 is connected with the inner wall of the switch cabinet 1 through a reset spring 5, the other end of the first switch shell 2 is provided with a pull wire 3, the pull wire 3 extends out of the switch cabinet 1, one side of the second connecting block 10 is provided with a first deflector rod 4, one end of the first deflector rod 4 is fixedly connected with the second connecting block 10, the other end of the first deflector rod 4 extends out of the switch cabinet 1, one end of the first deflector rod 4 far away from the second connecting block 10 is connected with the inner wall of the switch cabinet 1 through a first pressure spring, the lower part of the first switch shell 2 is provided with an arc-shaped first sliding chute, the upper part of the switch cabinet 1 is provided with a second sliding groove, the first deflector rod 4 is matched with the first sliding groove and the second sliding groove, and the working surfaces of the first deflector rod 4 and the second connecting block 10 are arranged in parallel.
The stay wire 3 is a nylon rope, and has the advantages of high strength, small density, good rebound resilience, good fatigue resistance, good thermal stability and wear resistance.
First connecting block 7 and the equal semicircle of second connecting block 10 are the copper product with second connecting block 10 and make, and the contact of being convenient for is connected, and electric conductive property is strong.
The first sliding groove is in a quarter arc shape.
The second chute is L-shaped.
The working process of the invention is as follows: when the power is on, the first connecting block 7 and the second connecting block 10 are driven by the first torsion spring and the second torsion spring respectively, half of the first connecting block 7 is in the first rotating groove 12, the other half of the first connecting block 7 is in the second rotating groove 13, half of the second connecting block 10 is in the second rotating groove 13, the other half of the second connecting block 10 is in the first rotating groove 12, the first connecting block 7 is in rotating fit with the second connecting block 10, the first connecting block 7 and the second connecting block 10 are respectively connected with a conducting wire to electrify the connecting blocks, when the power is required to be off, the first deflector rod 4 is pressed by hand, the first deflector rod 4 drives the second connecting block 10 to rotate clockwise around the second pin shaft 11, the second connecting block 10 pushes the first connecting block 7 to rotate clockwise, when the first connecting block 7 completely enters the first rotating groove 12, namely, half of the first connecting block 7 is separated from the second rotating groove 13, the first switch shell 2 is driven by the reset spring 5, the first switch shell 2 moves leftwards along the slideway 6 to separate and disconnect the first connecting block 7 and the second connecting block 10, the first deflector rod 4 is driven by the second torsion spring to return to the original position to cut off the power, when the power is switched on again, when the pull wire 3 is pulled by hand, the pull wire 3 drives the first switch shell 2 to move right, the first switch shell 2 moves right along the slideway 6, the first switch shell 2 completely presses the second connecting block 10 into the second rotating groove 13, when the first connecting block 7 and the second connecting block 10 are completely contacted, under the action of the first torsion spring and the second torsion spring, the first connecting block 7 and the second connecting block 10 return to the original positions, that is, half of the first connecting block 7 is in the first rotating groove 12, the other half of the first connecting block 7 is in the second rotating groove 13, half of the second connecting block 10 is in the second rotating groove 13, and the other half of the second connecting block 10 is in the first rotating groove 12, so that the power is supplied again.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (3)
1. The utility model provides a circuit on-off switch, includes the cubical switchboard, the cubical switchboard is inside to be equipped with first connecting block and the second connecting block of being connected with the wire, its characterized in that: a sliding way is arranged in the switch cabinet, a slidable first switch shell is arranged above the sliding way, a second switch shell is fixedly connected below the sliding way, the middle part of the first switch shell is hinged with a first connecting block through a first pin shaft, a first torsional spring is sleeved on the first pin shaft, one end of the first torsional spring is connected with the first switch shell, the other end of the first torsional spring is connected with the first connecting block, a second connecting block is hinged in the second switch shell through a second pin shaft, a second torsional spring is sleeved on the second pin shaft, one end of the second torsional spring is connected with the second switch shell, the other end of the second torsional spring is connected with the second connecting block, the first connecting block is in rotating fit with the second connecting block, one end of the first switch shell is connected with the inner wall of the switch cabinet through a reset spring, a pull wire is arranged at the other end of the first switch shell, the pull wire extends out of the switch cabinet, a first driving lever is arranged at one side of the second connecting block, one end of the first driving lever is fixedly connected with the second connecting block, the switch cabinet is extended to the other end of the first driving lever, one end, far away from the second connecting block, of the first driving lever is connected with the inner wall of the switch cabinet through a first pressure spring, the lower portion of the first switch shell is provided with a first arc-shaped chute, the upper portion of the switch cabinet is provided with a second arc-shaped chute, the first driving lever is matched with the first chute and the second chute, the pull wire is a nylon rope, the first connecting block and the second connecting block are semicircular, and the first connecting block and the second connecting block are made of copper materials.
2. The on-off line switch of claim 1, wherein: the first sliding groove is in a quarter arc shape.
3. The on-off line switch of claim 1, wherein: the second chute is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252889.1A CN111009439B (en) | 2019-12-09 | 2019-12-09 | Circuit on-off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252889.1A CN111009439B (en) | 2019-12-09 | 2019-12-09 | Circuit on-off switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111009439A CN111009439A (en) | 2020-04-14 |
| CN111009439B true CN111009439B (en) | 2022-06-10 |
Family
ID=70114150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252889.1A Active CN111009439B (en) | 2019-12-09 | 2019-12-09 | Circuit on-off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111009439B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112351638A (en) * | 2020-09-25 | 2021-02-09 | 国网辽宁省电力有限公司大连供电公司 | Intelligent control device for power distribution operation site |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200981560Y (en) * | 2006-06-28 | 2007-11-28 | 中国北车集团四方车辆研究所 | Compact joint sealing car coupler |
| CN101699595A (en) * | 2009-11-05 | 2010-04-28 | 江苏帕威尔电气有限公司 | Big current square-shaped double-row heat dissipation static contact |
| CN202903369U (en) * | 2012-10-07 | 2013-04-24 | 河南省电力公司南阳供电公司 | Device capable of preventing switch cabinet contacts from being burned and damaged |
| CN103178458A (en) * | 2013-03-19 | 2013-06-26 | 启东德佳电器配件有限公司 | Modified low-voltage switchgear |
| CN207338160U (en) * | 2017-08-28 | 2018-05-08 | 日照德艺智能仪表有限公司 | A kind of door opening electrical outage power control cabinet |
-
2019
- 2019-12-09 CN CN201911252889.1A patent/CN111009439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200981560Y (en) * | 2006-06-28 | 2007-11-28 | 中国北车集团四方车辆研究所 | Compact joint sealing car coupler |
| CN101699595A (en) * | 2009-11-05 | 2010-04-28 | 江苏帕威尔电气有限公司 | Big current square-shaped double-row heat dissipation static contact |
| CN202903369U (en) * | 2012-10-07 | 2013-04-24 | 河南省电力公司南阳供电公司 | Device capable of preventing switch cabinet contacts from being burned and damaged |
| CN103178458A (en) * | 2013-03-19 | 2013-06-26 | 启东德佳电器配件有限公司 | Modified low-voltage switchgear |
| CN207338160U (en) * | 2017-08-28 | 2018-05-08 | 日照德艺智能仪表有限公司 | A kind of door opening electrical outage power control cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111009439A (en) | 2020-04-14 |
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