CN114724882A - High-frequency power supply high-voltage isolating switch - Google Patents
High-frequency power supply high-voltage isolating switch Download PDFInfo
- Publication number
- CN114724882A CN114724882A CN202210258168.7A CN202210258168A CN114724882A CN 114724882 A CN114724882 A CN 114724882A CN 202210258168 A CN202210258168 A CN 202210258168A CN 114724882 A CN114724882 A CN 114724882A
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- conductive contact
- frequency power
- disconnecting link
- power supply
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- 239000012212 insulator Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 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
- 230000002441 reversible effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention provides a high-frequency power supply high-voltage isolating switch, which aims at the defects that a disconnecting link of an isolating switch in the prior art is worn after being used for a long time and can fall off and be switched on in a disconnected state, and belongs to the technical field of isolating switches. The second conductive contact is provided with the limiting bump for preventing the connecting disconnecting link and the second conductive contact from being in mistaken contact, so that the connecting disconnecting link and the second conductive contact can be prevented from being in a disconnected state and being in non-artificial mistaken contact, and the safety of personnel and equipment during detection is ensured.
Description
Technical Field
The invention belongs to the technical field of isolating switches, and particularly relates to a high-frequency power supply high-voltage isolating switch.
Background
Isolator among the prior art, generally to the anticreep mouth of switch during combined floodgate, like the utility model with patent number CN202021873745.6, disclose a prevent tripping device and high-voltage isolator for high-voltage isolator, include moving contact and static contact and the moving contact with first sword and the second sword that extends parallel facing to the ground each other between the static contact moving contact department provides the hooking notch, prevent tripping device includes drive assembly, hasp and torsional spring, wherein being fixed a position of the hook piece of hasp for can hooking into when its rotation connecting portion along the first direction rotation along with drive assembly the hooking notch just along reverse can breaking away from when the second direction of first direction rotates the hooking notch. However, the disconnecting switch of the disconnecting switch is likely to be worn due to long-term use, and the disconnecting switch falls and is closed under the action of gravity in an open state, which is very dangerous in the process of maintenance.
Disclosure of Invention
The invention provides a high-frequency power supply high-voltage isolating switch, aiming at the defects that a disconnecting link of the isolating switch in the prior art is worn after being used for a long time and can fall off and be switched on in a disconnected state.
The invention aims to be realized by the following technical scheme: the utility model provides a high-frequency power supply high voltage isolator, includes first conductive contact, the conductive contact of second, first conductive contact and the conductive contact of second are fixed mounting respectively in the one end of insulator, and the other end fixed mounting of insulator is on the installation base, and it is connected with the connection switch to rotate on the first conductive contact, and when connecting the switch and being on a parallel with the installation base, the other end and the conductive contact of second of connecting the switch are connected, are equipped with the spacing lug that prevents to connect switch and the conductive contact miscontact of second on the conductive contact of second.
In the scheme, the second conductive contact is provided with the limiting bump for preventing the connection disconnecting link from being in error contact with the second conductive contact, so that the connection disconnecting link can be prevented from being in an off state with the second conductive contact and being in non-artificial error contact, and the safety of personnel and equipment during detection is ensured.
Preferably, a disconnecting link control mechanism for pushing the connecting disconnecting link to act is fixedly mounted on the mounting base, and the disconnecting link control mechanism is used for controlling the connecting disconnecting link and the second conductive contact to be connected and disconnected.
Preferably, the disconnecting link control mechanism comprises a support piece fixedly connected to the lower end face of the connecting disconnecting link, the lower end of the support piece is rotatably connected with a first support rod, the other end of the first support rod is rotatably connected with a second support rod, the other end of the second support rod is rotatably connected to the control seat, the control seat is fixedly installed on the installation base, and a rotating handle for controlling the second support rod to rotate is arranged on the control seat.
Preferably, the supporting piece is insulated and does not conduct electricity during operation, so that the safety of personnel is ensured.
Preferably, the rotating handle comprises a rotating shaft, the rotating shaft is rotatably installed on the control seat, the rotating shaft is fixedly connected with one end of the second supporting seat, and the other end of the rotating shaft penetrates out of the control seat. The other end of the rotating shaft penetrates out of the control seat and can be connected with rotating shafts of other isolating switches, and the rotating handle is used for simultaneously controlling the switching-on or switching-off of a plurality of isolating switches.
Preferably, the first conductive contact and the second conductive contact each include a connection terminal fixedly connected to the insulator, and a connection block is fixedly connected to the connection terminal. The connecting terminal is used for being electrically connected with a power supply or electric equipment, the connecting block of the first conductive contact is used for being rotatably connected with the connecting disconnecting link, and the connecting block of the second conductive contact is used for connecting the other end of the disconnecting link to be switched on the second conductive contact so that the second conductive contact is electrically connected with the first conductive contact.
Preferably, the connecting disconnecting link comprises two connecting sheets which are the same in structure and back to the connecting block, the two connecting sheets are respectively arranged on two sides of the connecting block, the connecting block and the two connecting sheets of the first conductive contact are rotatably connected through a connecting column, and a tightening bolt for connecting the two connecting sheets together is arranged on one connecting sheet close to the second conductive contact.
Preferably, a compression spring is arranged between one end of the connecting column and one of the connecting pieces, and a compression spring is arranged between one end of the tightening bolt and one of the connecting pieces. The pressure spring is arranged between the connecting column and one of the connecting pieces, and the pressure applied to the connecting piece by the pressure spring can be adjusted by adjusting the nut on the connecting column, so that the friction force between the connecting piece and the connecting piece of the first conductive contact is adjusted, and the connecting piece can be stopped when rotating to any position. The pressure spring that is equipped with between screw bolt and the connection piece is screwed up, can make the pressure spring produce different pressure to the connection piece through adjusting the distance between nut and the connection piece on screwing up the bolt, and when the pressure of pressure spring to the connection piece was big, can make the clearance between the two connection pieces of second conductive contact side be less than the clearance between the two connection pieces of first conductive contact side.
Preferably, a gap exists between the two connecting sheets, and the interval between the two connecting sheets and the contact connection part of the connecting block of the second conductive contact is smaller than the thickness of the connecting block. The side face, facing one side of the connecting block of the second conductive contact, of the two connecting pieces is in contact connection with the connecting block of the second conductive contact, the gap between the connecting pieces of the two connecting pieces and the connecting block of the second conductive contact is smaller than the thickness of the connecting block, when the two connecting pieces are switched on to the connecting block of the second conductive contact, a certain force needs to be applied to enable the gap between the two connecting pieces to be enlarged, so that the switch-on is continued to be in place, after the switch-on is in place, the two connecting pieces are under the pressure action of a pressure spring, the two connecting pieces are always in a stress state pressing to the connecting block, and the contact connection between the two connecting pieces and the connecting block is tighter. The switch-on and switch-off between the connecting knife switch formed by the two connecting sheets and the connecting block of the second conductive contact requires certain force to remind a worker to confirm whether to execute the action.
Preferably, the upper end of the connecting block of the second conductive contact is fixedly connected with a limiting lug protruding outwards from two sides, and the limiting lug is insulated. The insulating limit bump can prevent the connection disconnecting link and the second conductive contact from generating electric conduction when in error contact, and the connection disconnecting link can break through the resistance of the limit bump and be in contact connection with the second conductive contact only by applying enough force to the connection disconnecting link.
Compared with the prior art, the invention has the following beneficial effects: the second conductive contact is provided with a limiting bump for preventing the connection disconnecting link from being in error contact with the second conductive contact, so that the connection disconnecting link can be prevented from being in non-artificial error contact with the second conductive contact when being in a disconnection state, and the safety of personnel and equipment during detection is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention during closing;
FIG. 2 is a schematic structural diagram of the present invention during opening;
fig. 3 is an enlarged view of a point a in fig. 2.
The labels in the figure are: 1. installing a base; 2. an insulator; 3. a first conductive contact; 4. a second conductive contact; 5. a support member; 6. a first support bar; 7. a second support bar; 8. a control seat; 9. rotating the handle; 10. a rotating shaft; 11. a connection terminal; 12. connecting blocks; 13. connecting sheets; 14. connecting columns; 15. screwing down the bolt; 16. compressing the spring; 17. and a limiting bump.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
as shown in fig. 1 to 3, a high-voltage isolating switch of a high-frequency power supply comprises a first conductive contact 3 and a second conductive contact 4, wherein the first conductive contact 3 and the second conductive contact 4 are respectively and fixedly installed at one end of an insulator 2, and the other end of the insulator 2 is fixedly installed on a mounting base 1. The first conductive contact 3 and the second conductive contact 4 both comprise a connecting terminal 11 fixedly connected with the insulator 2, and a connecting block 12 is fixedly connected to the connecting terminal 11. The connecting block 12 of the first conductive contact 3 is rotatably connected with a connecting disconnecting link, the connecting disconnecting link comprises two connecting sheets 13 which have the same structure and are arranged in a back direction, the two connecting sheets 13 are respectively and symmetrically arranged on two sides of the connecting block 12 of the first conductive contact 3, the two connecting sheets 13 are rotatably connected with the connecting block 12 of the first conductive contact 3 through a connecting column 14, and a pressure spring 16 is arranged between one end of the connecting column 14 and one connecting sheet 13. The other end of the connecting knife switch can be sleeved on a connecting block 12 of the second conductive contact 4, two tightening bolts 15 are arranged between two connecting pieces 13 close to the second conductive contact 4, and a pressure spring 16 is arranged between one end of each tightening bolt 15 and one connecting piece 13. The two connecting pieces 13 are arranged on the two sides of the connecting piece 12 of the first conductive contact 3, a gap exists between the two connecting pieces 13, the pressure spring 16 arranged between the tightening bolt 15 and the connecting pieces 13 can enable the pressure spring 16 to generate different pressures on the connecting pieces 13 by adjusting the distance between the nut on the tightening bolt 15 and the connecting pieces 13, and when the pressure on the connecting pieces 13 by the pressure spring 16 is large, the gap between the two connecting pieces 13 on the second conductive contact 4 side can be smaller than the gap between the two connecting pieces 13 on the first conductive contact 3 side. In this embodiment, the gap between the two connecting pieces 13 on the second conductive contact 4 side is adjusted to be slightly smaller than the thickness of the connecting block 12, so that the two connecting pieces 13 can encounter resistance when being sleeved on the connecting block 12 of the second conductive contact 4, and the connecting disconnecting link can be sleeved on the connecting block 12 of the second conductive contact 4 only after a larger force is required to resist the pressure of the compression spring 16. And because of the pressure effect of the pressure spring 16, the two connecting pieces 13 have the pressing force on the connecting block 12, so that the two connecting pieces 13 cannot be easily separated from the connecting block 12 and can be in closer contact with the connecting block 12.
In order to prevent the connecting disconnecting link from easily falling off in the switching-off state, the pressure spring 16 between the connecting pieces 13 of the connecting column 14 can be adjusted, so that the two connecting pieces 13 clamp the connecting block 12 of the first conductive contact 3, and the two connecting pieces 13 can not rotate freely under the action of the friction force which is fast in connection. Furthermore, in order to prevent the connecting knife switch from being used for a long time, the friction force between the two connecting sheets 13 and the connecting block 12 is reduced, and the connecting knife switch automatically closes under the action of gravity in the switch-off state, the upper end of the connecting block 12 of the second conductive contact 4 is fixedly connected with an insulating limit lug 17 which protrudes outwards from two sides. The insulating limit bump 17 can prevent the connection switch and the second conductive contact 4 from generating electric conduction when in error contact, and the connection switch can break through the resistance of the limit bump 17 and be in contact connection with the second conductive contact 4 only by applying enough force to the connection switch.
In order to facilitate connection of a switch of a disconnecting link, a disconnecting link control mechanism for pushing the connecting disconnecting link to move is further fixedly mounted on the mounting base 1, the disconnecting link control mechanism comprises a support piece 5 fixedly connected to the lower end face of the connecting disconnecting link, the support piece 5 is insulated, the lower end of the support piece 5 is rotatably connected with a first support rod 6, the other end of the first support rod 6 is rotatably connected with a second support rod 7, the other end of the second support rod 7 is rotatably connected to a control seat 8, the control seat 8 is fixedly mounted on the mounting base 1, a rotating handle 9 for controlling the second support rod 7 to rotate is arranged on the control seat 8, the rotating handle 9 comprises a rotating shaft 10, the rotating shaft 10 is rotatably mounted on the control seat 8, the rotating shaft 10 is fixedly connected with one end of the second support seat, and the other end of the rotating shaft 10 penetrates out of the control seat 8. The other end of the rotating shaft 10 penetrates through the control base 8 and can be connected with rotating shafts 10 of other isolating switches, and the switching-on or switching-off of a plurality of isolating switches is controlled simultaneously through one rotating handle 9.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The high-frequency power supply high-voltage isolating switch is characterized by comprising a first conductive contact (3) and a second conductive contact (4), wherein the first conductive contact (3) and the second conductive contact (4) are respectively and fixedly installed at one end of an insulator (2), the other end of the insulator (2) is fixedly installed on an installation base (1), the first conductive contact (3) is connected with a connecting disconnecting link in a rotating mode, when the connecting disconnecting link is parallel to the installation base (1), the other end of the connecting disconnecting link is in contact connection with the second conductive contact (4), and a limiting convex block (17) for preventing the connecting disconnecting link from being in mistaken contact with the second conductive contact (4) is arranged on the second conductive contact (4).
2. The high-voltage isolation switch of the high-frequency power supply according to claim 1, wherein a disconnecting link control mechanism for pushing the connecting disconnecting link to act is fixedly installed on the installation base (1).
3. The high-voltage isolation switch of the high-frequency power supply according to claim 1, wherein the disconnecting link control mechanism comprises a support member (5) fixedly connected to the lower end face of the connecting disconnecting link, the lower end of the support member (5) is rotatably connected with a first support rod (6), the other end of the first support rod (6) is rotatably connected with a second support rod (7), the other end of the second support rod (7) is rotatably connected to a control seat (8), the control seat (8) is fixedly installed on the installation base (1), and a rotating handle (9) for controlling the second support rod (7) to rotate is arranged on the control seat (8).
4. High frequency power high voltage disconnector according to claim 3, characterized in that the support (5) is insulating.
5. The high-voltage isolation switch of the high-frequency power supply according to claim 3, wherein the rotating handle (9) comprises a rotating shaft (10), the rotating shaft (10) is rotatably mounted on the control seat (8), the rotating shaft (10) is fixedly connected with one end of the second supporting seat, and the other end of the rotating shaft (10) penetrates through the control seat (8).
6. The high-frequency power supply high-voltage isolating switch according to claim 1, wherein the first conductive contact (3) and the second conductive contact (4) each comprise a connecting terminal (11) fixedly connected with the insulator (2), and a connecting block (12) is fixedly connected to the connecting terminal (11).
7. The high-voltage isolating switch for the high-frequency power supply according to claim 6, wherein the connecting switch comprises two connecting pieces (13) which have the same structure and are oppositely arranged, the two connecting pieces (13) are respectively arranged at two sides of the connecting piece (12), the connecting piece (12) and the two connecting pieces (13) of the first conductive contact (3) are rotatably connected through a connecting column (14), and a screwing bolt (15) for connecting the two connecting pieces (13) is arranged on the connecting piece (13) at one end close to the second conductive contact (4).
8. The high-voltage isolating switch for the high-frequency power supply according to claim 7, wherein a compression spring (16) is arranged between one end of the connecting column (14) and one of the connecting pieces (13), and the compression spring (16) is arranged between one end of the tightening bolt (15) and one of the connecting pieces (13).
9. The high-voltage isolating switch for the high-frequency power supply according to claim 7, wherein a gap exists between the two connecting sheets (13), and the interval between the two connecting sheets (13) and the contact connection part of the connecting block (12) of the second conductive contact (4) is smaller than the thickness of the connecting block (12).
10. The high-voltage isolation switch of the high-frequency power supply according to claim 6, wherein the upper end of the connecting block (12) of the second conductive contact (4) is fixedly connected with a limiting bump (17) protruding outwards from two sides, and the limiting bump (17) is insulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258168.7A CN114724882A (en) | 2022-03-16 | 2022-03-16 | High-frequency power supply high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258168.7A CN114724882A (en) | 2022-03-16 | 2022-03-16 | High-frequency power supply high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114724882A true CN114724882A (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210258168.7A Pending CN114724882A (en) | 2022-03-16 | 2022-03-16 | High-frequency power supply high-voltage isolating switch |
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| CN (1) | CN114724882A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6361201A (en) * | 2000-09-04 | 2002-03-07 | Abb Research Ltd | Disconnector |
| CN102054619A (en) * | 2009-11-03 | 2011-05-11 | 陈家斌 | High-voltage electric isolating switch contact |
| US20150122627A1 (en) * | 2013-11-04 | 2015-05-07 | David P. Pora | Conductivity power connection |
| CN204966367U (en) * | 2015-09-09 | 2016-01-13 | 山东泰开智能配电有限公司 | Novel indoor high voltage isolator of GN10 |
| WO2016045028A1 (en) * | 2014-09-25 | 2016-03-31 | Abb技术有限公司 | Vacuum load switch |
| CN107689306A (en) * | 2016-08-05 | 2018-02-13 | 天津中电华利电器科技集团有限公司 | A kind of knife-like switch |
| CN207800466U (en) * | 2018-03-07 | 2018-08-31 | 姜振强 | A kind of grounding switch in novel 6KV switchgears |
| CN108538677A (en) * | 2018-06-19 | 2018-09-14 | 浙江紫光电器有限公司 | A kind of disconnecting switch |
| CN110491714A (en) * | 2017-07-24 | 2019-11-22 | 许继集团有限公司 | Disconnecting switch and its moving contact |
| DE102021120055A1 (en) * | 2021-08-02 | 2021-09-30 | Peter Lell | ELECTRIC CONNECTOR WITH PENETRATOR |
-
2022
- 2022-03-16 CN CN202210258168.7A patent/CN114724882A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6361201A (en) * | 2000-09-04 | 2002-03-07 | Abb Research Ltd | Disconnector |
| CN102054619A (en) * | 2009-11-03 | 2011-05-11 | 陈家斌 | High-voltage electric isolating switch contact |
| US20150122627A1 (en) * | 2013-11-04 | 2015-05-07 | David P. Pora | Conductivity power connection |
| WO2016045028A1 (en) * | 2014-09-25 | 2016-03-31 | Abb技术有限公司 | Vacuum load switch |
| CN204966367U (en) * | 2015-09-09 | 2016-01-13 | 山东泰开智能配电有限公司 | Novel indoor high voltage isolator of GN10 |
| CN107689306A (en) * | 2016-08-05 | 2018-02-13 | 天津中电华利电器科技集团有限公司 | A kind of knife-like switch |
| CN110491714A (en) * | 2017-07-24 | 2019-11-22 | 许继集团有限公司 | Disconnecting switch and its moving contact |
| CN207800466U (en) * | 2018-03-07 | 2018-08-31 | 姜振强 | A kind of grounding switch in novel 6KV switchgears |
| CN108538677A (en) * | 2018-06-19 | 2018-09-14 | 浙江紫光电器有限公司 | A kind of disconnecting switch |
| DE102021120055A1 (en) * | 2021-08-02 | 2021-09-30 | Peter Lell | ELECTRIC CONNECTOR WITH PENETRATOR |
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