CN115565807B - Duplex position ice-melt isolator that possesses from ice-melt function - Google Patents
Duplex position ice-melt isolator that possesses from ice-melt function Download PDFInfo
- Publication number
- CN115565807B CN115565807B CN202211309953.7A CN202211309953A CN115565807B CN 115565807 B CN115565807 B CN 115565807B CN 202211309953 A CN202211309953 A CN 202211309953A CN 115565807 B CN115565807 B CN 115565807B
- Authority
- CN
- China
- Prior art keywords
- ice
- static contact
- switch
- melting
- wiring board
- 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.)
- Active
Links
- 238000002844 melting Methods 0.000 claims abstract description 59
- 230000003068 static effect Effects 0.000 claims abstract description 54
- 230000008018 melting Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000012212 insulator Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The invention discloses a double-station ice melting isolation switch with a self-ice melting function, wherein a brake separating static contact comprises a brake separating static contact rod, the brake separating static contact rod is fixedly arranged on a supporting base through an insulator, a static contact base is fixedly arranged on a supporting insulator, a brake closing static contact rod is arranged on the static contact base, a pincer-shaped contact is arranged at one end of an upper conductive tube, a pushing mechanism is arranged at the hinge joint of the upper conductive tube and a lower conductive tube, the pushing mechanism is used for controlling opening and closing of a pincer-shaped contact, and the upper conductive tube clamps the brake separating static contact rod or the brake closing static contact rod through the pincer-shaped contact to realize a conductive loop. When the disconnecting switch is disconnected, the pincerlike contact of the single-arm conductive knife can be stably clamped with the disconnecting static contact rod to form a conductive path, so that the problem that a conductive loop cannot be formed by the disconnecting switch in the prior art and self-deicing cannot be realized in the disconnecting process of the disconnecting switch is solved, the self-deicing of the deicing switch can be effectively ensured under the condition that the deicing switch is covered by the self-deicing, normal closing is realized, and smooth implementation of line deicing operation is ensured.
Description
Technical Field
The invention relates to the technical field of isolating switch equipment, in particular to a double-station ice-melting isolating switch with a self-ice-melting function.
Background
The icing of the power transmission line in winter ice, rain and snow is a natural disaster which seriously threatens the safe and stable operation of the power system. Due to the fact that ice coating load is increased on the lead, certain mechanical damage is caused to the lead, the iron tower and the hardware fitting, when ice coating is serious, the lead is broken, the tower is reversed, and large-area power failure accidents are caused; with the continuous development of power electronics technology, the high-current direct-current deicing technology is widely applied to the deicing of power transmission lines with different voltage levels and different wire sections.
The ice-melting isolating switch plays roles of ice-melting current access and short circuit in the process of line ice melting, but the ice-melting isolating switch also generates an ice-covering phenomenon, so that opening and closing cannot be realized, and smooth implementation of line ice melting is affected. The existing ice melting isolating switch cannot form a loop by the split-gate electric conduction, so that the existing ice melting isolating switch has no self-ice melting function.
Disclosure of Invention
The invention aims to provide a double-station ice melting isolating switch with a self-ice melting function.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a duplex position ice-melt isolator that possesses from ice-melt function, includes isolator support, support base and single armed conductive knife, fixed mounting has the support base on the isolator support, installs single armed conductive knife, pillar insulator and separating brake static contact on the support base, separating brake static contact includes separating brake static feeler lever, separating brake static feeler lever passes through insulator fixed mounting on support base, fixed mounting has the static feeler base on the pillar insulator, is equipped with the closing static feeler lever on the static feeler base, single armed conductive knife includes upper conductive tube and lower conductive tube of mutual articulated, and clamp contact is installed to upper conductive tube one end, and upper conductive tube and lower conductive tube articulated department installs pushing mechanism, and pushing mechanism is used for controlling clamp contact of clamp contact, and upper conductive tube is pressed from both sides the closing static feeler lever or closes a floodgate static feeler lever through clamp contact and is pressed from both sides tight realization conductive loop and switch on.
Preferably, the fixed contact base is fixedly provided with a first wiring board, the first wiring board is electrically connected with the power transmission line and the closing static contact rod, the two ends of the supporting base are fixedly provided with third wiring boards, the third wiring boards are electrically connected with a first ice melting power line, and when the pincer-shaped contact is clamped on the closing static contact rod, a conductive loop is formed between the third wiring boards and the first wiring boards.
Preferably, a second wiring board is fixedly arranged at the bottom of the switching-off static contact rod, and the second wiring board is electrically connected with a second
And when the clamp-shaped contact is clamped on the brake-separating static contact rod, a conductive loop is formed between the second wiring board and the third wiring board.
Preferably, a push rod is movably inserted in the upper conductive tube, one end of the push rod is rotatably provided with a roller, the other end of the push rod is connected with the pincer-shaped contact, and the pushing mechanism is used for pushing the push rod to move in the upper conductive tube.
Preferably, the pushing mechanism comprises a convex block, the convex block is fixedly arranged on the mounting plate through an adjusting bolt, the mounting plate is fixedly connected to the surface of the lower conductive pipe, the mounting plate is close to the hinge joint of the upper conductive pipe and the lower conductive pipe, an arc slope is arranged on one side surface of the convex block, and when the upper conductive pipe is horizontally close to the lower conductive pipe, the convex block pushes the roller to move through the arc slope so that the pincer contact is clamped on the opening static contact rod.
Preferably, the pushing mechanism further comprises a gear box for controlling the upper conductive pipe to vertically lift, the gear box is fixedly arranged at one end of the lower conductive pipe, one end of the gear box is provided with another arc slope, and when the upper conductive pipe and the lower conductive pipe are both lifted, the gear box pushes the roller to move through the arc slope so that the pincer-shaped contact is clamped on the closing static contact rod.
Preferably, a driving cabinet for controlling the single-arm conductive knife switch to stretch out and retract is fixedly arranged on one side of the isolating switch support.
Preferably, the first ice melting power supply line and the second ice melting power supply line both comprise positive and negative power supply poles.
Compared with the prior art, the invention has the advantages that:
according to the invention, the ice melting power supply circuit is arranged between the single-arm conductive knife and the static contact base, and when the switch is opened, the clamp-shaped contact of the single-arm conductive knife can be stably clamped with the switch-opening static contact rod to form a conductive path, so that the problem that a conductive loop cannot be formed by the switch-opening isolating switch in the prior art and self-melting ice cannot be realized is solved, the self-melting ice of the ice melting switch can be effectively ensured under the condition of self-icing, and normal switch-on can be realized, and smooth implementation of ice melting work of the circuit is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram showing a switch-off state of a double-station ice-melting isolating switch with a self-ice-melting function;
FIG. 2 is a diagram showing a closing state of a double-station ice-melting isolating switch with a self-ice-melting function;
FIG. 3 is a block diagram of the base of the stationary contact of the present invention;
FIG. 4 is a block diagram of a single-arm conductive blade of the present invention;
FIG. 5 is a block diagram of a split static contact of the present invention;
FIG. 6 is a block diagram of the ejector mechanism of the present invention;
FIG. 7 is a block diagram of another embodiment of the pushing mechanism of the present invention.
In the figure: 100 static contact base, 101 first wiring board, 102 transmission line, 103 switch-on static contact rod, 104 pincerlike contact, 105 push rod, 200 single-arm conductive knife, 201 upper conductive tube, 202 lower conductive tube, 203 support base, 300 switch-off static contact, 301 second wiring board, 302 third wiring board, 303 insulator, 304 switch-off static contact rod, 305 first ice melting power line, 306 second ice melting power line, 400 isolating switch bracket, 401 convex block, 402 adjusting bolt, 403 mounting plate, 404 roller, 500 driving cabinet, 501 gear box, 600 pillar insulator.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1-5, the invention provides a double-station ice-melting isolation switch with a self-ice-melting function, which comprises an isolation switch bracket 400, a support base 203 and a single-arm conductive knife 200, wherein the single-arm conductive knife 200 is an electric single-arm vertical telescopic knife in the prior art, and can be telescopic to realize lifting of the knife, the support base 203 is fixedly arranged on the isolation switch bracket 400, the single-arm conductive knife 200, a post insulator 600 and a separating-gate fixed contact 300 are arranged on the support base 203, the separating-gate fixed contact 300 comprises a separating-gate fixed contact rod 304, the separating-gate fixed contact rod 304 is fixedly arranged on the support base 203 through an insulator 303, a fixed contact base 100 is fixedly arranged on the post insulator 600, a fixed contact rod 103 is arranged on the fixed contact base 100, the single-arm conductive knife 200 comprises an upper conductive tube 201 and a lower conductive tube 202 which are mutually hinged, a clamp-shaped contact 104 is arranged at one end of the upper conductive tube 201, a fixed mechanism is arranged at the hinged joint of the upper conductive tube 201 and the lower conductive tube 202, and used for controlling the upper clamp-shaped contact 104 to realize the closing of the separating-gate fixed contact rod 103 through the separating-gate fixed contact rod 103, and the separating-gate fixed contact rod 103 is fixedly arranged on the support base 203;
as shown in fig. 1, when the clamp-shaped contact 104 clamps the closing static contact rod 103, the power transmission line 102 electrically connected with the closing static contact rod 103 can be conducted with an ice melting power supply, so that the function of implementing the ice melting operation of the line is provided;
as shown in fig. 2, when the pincer-shaped contact 104 clamps the switching-off static contact rod 304, the ice melting power supply is conducted with the supporting base 203, so that the ice melting function of the whole isolating switch can be achieved.
In this embodiment, in order to facilitate the electrical connection between the closing static contact lever 103 and the power transmission line 102, the static contact base 100 is fixedly provided with the first wiring board 101, the first wiring board 101 is electrically connected with the power transmission line 102 and the closing static contact lever 103, both ends of the supporting base 203 are fixedly provided with the third wiring board 302, the third wiring board 302 is electrically connected with the first ice melting power line 305, the first ice melting power line 305 acts as an ice melting power supply, and when the clamp-shaped contact 104 is clamped on the closing static contact lever 103, a conductive loop is formed between the third wiring board 302 and the first wiring board 101, so that the conduction between the ice melting power supply and the power transmission line 102 can be realized, and the ice melting operation of the power transmission line 102 is performed.
In this embodiment, a second wiring board 301 is fixedly installed at the bottom of the switching-off static contact rod 304, the second wiring board 301 is electrically connected with a second ice melting power line 306, and when the pincer-shaped contact 104 is clamped to the switching-off static contact rod 304, a conductive loop is formed between the second wiring board 301 and the third wiring board 302.
Referring to fig. 6 or 7, in this embodiment, in order to facilitate the opening and closing of the pincer-shaped contact 104, a push rod 105 is movably inserted in the upper conductive tube 201, one end of the push rod 105 is rotatably provided with a roller 404, the other end of the push rod 105 is connected with the pincer-shaped contact 104, the pushing mechanism is used for pushing the push rod 105 to move in the upper conductive tube 201, when the push rod 105 moves towards the position of the pincer-shaped contact 104, it can push the pincer-shaped contact 104 to open, so as to facilitate the clamping operation, further, in order to ensure that the pincer-shaped contact 104 can clamp under the condition of no pushing force, tension springs are installed at two ends of the pincer-shaped contact 104, and the pincer-shaped contact 104 can be ensured to stably clamp the feeler lever under the tension action of the tension springs.
Referring to fig. 6, in order to enable the push rod 105 to be smoothly pushed toward the clamp contact 104 during closing, in this embodiment, the pushing mechanism includes a convex block 401, the convex block 401 is fixedly mounted on a mounting plate 403 by an adjusting bolt 402, the mounting plate 403 is fixedly connected to the surface of the lower conductive tube 202, the mounting plate 403 is close to the hinge joint between the upper conductive tube 201 and the lower conductive tube 202, an arc slope is provided on one side surface of the convex block 401, and when the upper conductive tube 201 is horizontally close to the lower conductive tube 202, the convex block 401 pushes a roller 404 to move through the arc slope so that the clamp contact 104 is clamped on the split brake static contact rod 304.
Referring to fig. 7, in this embodiment, in order to quickly implement a closing action, the pushing mechanism further includes a gear box 501 for controlling the upper conductive tube 201 to vertically lift, where the gear box 501 is fixedly installed at one end of the lower conductive tube 202, one end of the gear box 501 is provided with another arc slope, and when both the upper conductive tube 201 and the lower conductive tube 202 are erected, the gear box 501 pushes the roller 404 to move through the arc slope so that the pincer contact 104 is clamped on the closing static contact rod 103.
In this embodiment, a driving cabinet 500 for controlling the extension and retraction of the single-arm conductive blade 200 is fixedly installed on one side of the isolating switch bracket 400, which is a part of the prior art, and will not be described herein.
In this embodiment, the first ice-melting power line 305 and the second ice-melting power line 306 both include positive and negative power sources, and if the positive and negative power sources are the same, the conductive heating function can be realized.
In specific application, the single-arm conductive knife 200 is controlled to stretch out and draw back through the driving cabinet 500, which is the prior art, not described in detail herein, when the ice melting of the power transmission line is performed, if the upper static contact base 100 of the isolating switch, the opening static contact 300 or the single-arm conductive knife 200 is frozen or snow is more, the single-arm conductive knife 200 can be controlled to shrink at the moment, the upper conductive tube 201 is folded to the position of the lower conductive tube 202, the roller 404 of the upper conductive tube 201 can enter the slope of the convex block 401, the convex block 401 causes the roller 404 to be stressed and move forwards, so that the push rod 105 is pushed to displace, thereby realizing that the clamp-shaped contact 104 is used for clamping the opening static contact rod 304, at the moment, the mechanism between the third wiring board 302 and the second wiring board 301 can be used for conducting heat, the snow melting effect is realized, and the smooth use of the isolating switch is ensured;
when the electric transmission line is required to be iced, the single-arm conductive knife switch 200 is lifted to be straight, and because the gear box 501 is provided with a slope, the roller 404 on the push rod 105 of the upper conductive tube 201 enters the slope of the gear box 501, and at the moment, the gear box 501 causes the roller 404 to be stressed and move forwards, so that thrust is formed on the push rod 105, the push rod 105 is displaced, the upper clamp contact 104 is enabled to complete the action of clamping the closing static contact rod 103, and at the moment, a conductive loop can be formed between the third wiring board 302 and the first wiring board 101, so that the electric transmission line 102 is iced;
although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.
Claims (6)
1. The utility model provides a duplex position ice-melt isolator that possesses self-melting function, includes isolator support, support base and single armed conductive knife switch, its characterized in that: the isolating switch comprises an isolating switch support, a support base, a single-arm conductive switch blade, a support insulator and an isolating static contact, wherein the support base is fixedly provided with the single-arm conductive switch blade, the support insulator and the isolating static contact;
the fixed contact base is fixedly provided with a first wiring board which is electrically connected with the power transmission line and the closing static contact rod, both ends of the supporting base are fixedly provided with a third wiring board which is electrically connected with a first ice melting power line, and when the pincer-shaped contact is clamped on the closing static contact rod, a conductive loop is formed between the third wiring board and the first wiring board;
the bottom of the switching-off static contact rod is fixedly provided with a second wiring board, the second wiring board is electrically connected with a second ice melting power line, and when the pincerlike contact is clamped on the switching-off static contact rod, a conductive loop is formed between the second wiring board and the third wiring board.
2. The double-station ice-melting isolating switch with a self-ice-melting function according to claim 1, wherein the switch is characterized in that: the push rod is movably inserted into the upper conductive tube, one end of the push rod is rotatably provided with a roller, the other end of the push rod is connected with the pincer-shaped contact, and the pushing mechanism is used for pushing the push rod to move in the upper conductive tube.
3. The double-station ice-melting isolating switch with a self-ice-melting function according to claim 2, wherein the switch is characterized in that: the pushing mechanism comprises a convex block, the convex block is fixedly arranged on the mounting plate through an adjusting bolt, the mounting plate is fixedly connected to the surface of the lower conductive pipe, the mounting plate is close to the hinge joint of the upper conductive pipe and the lower conductive pipe, an arc slope is arranged on one side surface of the convex block, and when the upper conductive pipe is horizontally close to the lower conductive pipe, the convex block pushes the roller to move through the arc slope so that the clamp-on contact is clamped on the brake-separating static contact rod.
4. The double-station ice-melting isolating switch with a self-ice-melting function according to claim 3, wherein: the pushing mechanism further comprises a gear box for controlling the upper conductive pipe to vertically lift, the gear box is fixedly arranged at one end of the lower conductive pipe, one end of the gear box is provided with another arc slope, and when the upper conductive pipe and the lower conductive pipe are both erected, the gear box pushes the roller to move through the arc slope so that the pincer-shaped contact is clamped on the closing static contact rod.
5. The double-station ice-melting isolating switch with a self-ice-melting function according to claim 1, wherein the switch is characterized in that: one side of the isolating switch bracket is fixedly provided with a driving cabinet for controlling the single-arm conductive knife switch to stretch out and draw back.
6. The double-station ice-melting isolating switch with a self-ice-melting function according to claim 1, wherein the switch is characterized in that: the first ice melting power supply circuit and the second ice melting power supply circuit both comprise power supply anodes and cathodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211309953.7A CN115565807B (en) | 2022-10-25 | 2022-10-25 | Duplex position ice-melt isolator that possesses from ice-melt function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211309953.7A CN115565807B (en) | 2022-10-25 | 2022-10-25 | Duplex position ice-melt isolator that possesses from ice-melt function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115565807A CN115565807A (en) | 2023-01-03 |
| CN115565807B true CN115565807B (en) | 2023-10-27 |
Family
ID=84746673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211309953.7A Active CN115565807B (en) | 2022-10-25 | 2022-10-25 | Duplex position ice-melt isolator that possesses from ice-melt function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115565807B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598152B (en) * | 2023-07-18 | 2023-11-03 | 江东金具设备有限公司 | Ice melting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608091U (en) * | 2010-01-31 | 2010-10-13 | 山东泰开隔离开关有限公司 | Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch |
| CN102426963A (en) * | 2011-08-23 | 2012-04-25 | 四川电力设计咨询有限责任公司 | Direct-current ice-melting isolating switch |
| CN202473719U (en) * | 2012-03-26 | 2012-10-03 | 都匀供电局 | Isolating switch with deicing cross connection function |
-
2022
- 2022-10-25 CN CN202211309953.7A patent/CN115565807B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608091U (en) * | 2010-01-31 | 2010-10-13 | 山东泰开隔离开关有限公司 | Single-column vertical-telescopic-type outdoor high-voltage alternating-current isolating switch |
| CN102426963A (en) * | 2011-08-23 | 2012-04-25 | 四川电力设计咨询有限责任公司 | Direct-current ice-melting isolating switch |
| CN202473719U (en) * | 2012-03-26 | 2012-10-03 | 都匀供电局 | Isolating switch with deicing cross connection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115565807A (en) | 2023-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115565807B (en) | Duplex position ice-melt isolator that possesses from ice-melt function | |
| CN201616373U (en) | Three-column horizontal tilting type outdoor three-phase high-voltage alternating-current isolating switch | |
| CN113593969A (en) | High-parameter bus conversion current's scissors formula isolator's cut-off device | |
| CN109494670A (en) | A kind of power line DC ice-melting short-circuit device and method | |
| CN214848244U (en) | Breaker for power dispatching automation | |
| CN213635744U (en) | Electric automatic control safety device | |
| CN111341597A (en) | Outdoor isolating switch | |
| CN112271681B (en) | Leading structure of direct-current ground wire ice melting power supply of extra-high voltage multi-terminal direct-current converter station | |
| CN209859857U (en) | Electric operating device for high-voltage isolating switch | |
| CN208111357U (en) | A kind of high-voltage relay contact structure device stretching partition arc extinguishing based on sidesway | |
| CN101587787A (en) | Isolating switch | |
| CN206628399U (en) | A kind of strong high voltage isolator moving contact of contact performance | |
| CN212062327U (en) | Intelligent outdoor circuit breaker | |
| CN210349673U (en) | Electric isolating switch | |
| CN205335150U (en) | Outdoor isolating switch | |
| CN215988561U (en) | Outdoor high-voltage isolating switch | |
| CN211182067U (en) | Totally-enclosed isolating switch with switching-on and switching-off device | |
| CN219553501U (en) | High-low voltage isolating switch | |
| CN218525495U (en) | Isolation phase change switch insulating base convenient to installation | |
| CN220569586U (en) | Disconnection protector for high-voltage isolating switch | |
| CN103681079A (en) | High-voltage isolating switch | |
| CN220821388U (en) | High-reliability isolating switch | |
| CN203367081U (en) | Dual power mechanical interlock device | |
| CN218004711U (en) | DC ice melting combined type isolating switch | |
| CN216133814U (en) | Scissors type isolating switch for high-parameter bus conversion current and switching-on and switching-off device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |