CN221101930U - Ice-melting combined isolating switch - Google Patents
Ice-melting combined isolating switch Download PDFInfo
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- CN221101930U CN221101930U CN202322987572.0U CN202322987572U CN221101930U CN 221101930 U CN221101930 U CN 221101930U CN 202322987572 U CN202322987572 U CN 202322987572U CN 221101930 U CN221101930 U CN 221101930U
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- switch
- ice
- isolating switch
- pull rod
- combined type
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- 238000002844 melting Methods 0.000 title claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000008018 melting Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Mechanisms For Operating Contacts (AREA)
Abstract
The utility model discloses an isolating switch, in particular to an ice-melting combined isolating switch, which comprises: the combined switch comprises a disconnecting switch and a connecting device, wherein the disconnecting switch is arranged on a combined type integral frame and comprises an insulating pull rod, an insulating support and a conductive knife used for opening and closing, the insulating pull rod is connected to a driving device, and the other end of the insulating pull rod is connected to the conductive knife. On the premise of meeting the insulation property and the safety of the product, the indoor installation and the cabinet installation of the product can be easily realized by occupying smaller space; the switch base part integrates an electric operating mechanism, all installation and debugging work is completed before delivery, the site is only required to be hoisted in place, and the leveling and fixing are firm. The installation is trouble-saving and labor-saving; the control part adopts an integrated control box, and the cable connection adopts an aviation plug; a large number of on-site wiring links are omitted; the modular design is quick and efficient in field installation and debugging.
Description
Technical Field
The utility model relates to the technical field of isolating switch design, in particular to the field of a combined type isolating switch special for ice melting.
Background
Along with global climate change and construction of domestic power supply lines, more power transmission lines pass through an ice coating area, the possibility that the power transmission lines are coated with ice in a large area in winter is relatively high, various power supply faults are usually caused by the power transmission line ice coating, and even damages such as broken lines, tower falling and the like can occur when the power transmission line ice coating is serious, so that long-time and large-area power failure is caused, and normal production and life of residents are seriously affected.
At present, a direct-current ice melting device is mainly adopted for ice melting of a power transmission line, and in order to install alternating-current equipment, the alternating-current equipment and a direct-current ice melting loop are required to be isolated during ice melting of the line. At the converter stations or the transformer substations at the two ends of the line, the deicing personnel needs to manually build a temporary deicing line by using tools and wires, the temporary deicing line is removed after deicing, and the power supply of the original equipment is recovered. The preparation process of the site operation is complicated, the operation time is long, the operation intensity is high, meanwhile, the procedure of switching the maintenance line is complicated, the risk of manual operation and high-altitude operation is high, and the ice melting operation efficiency is greatly influenced.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides an ice-melting combined isolating switch so as to solve the existing technical problems.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides an ice-melting combined isolating switch, which comprises: the combined switch comprises a disconnecting switch and a connecting device, wherein the disconnecting switch is arranged on a combined type integral frame and comprises an insulating pull rod, an insulating support and a conductive knife used for opening and closing, the insulating pull rod is connected to a driving device, and the other end of the insulating pull rod is connected to the conductive knife.
Preferably, the combination switch includes a three-phase combination switch and a six-phase combination switch.
Preferably, the combined type integral frame is provided with an open hole base, a driving device is arranged in the open hole base, a rotary crank arm, a stop and a travel switch are arranged on the driving device, and the rotary crank arm is movably connected with the lower end of the insulation pull rod through a rotary shaft pin.
Preferably, the driving device comprises a driving motor and a speed reducer which are connected with each other, the speed reducer is a speed reducer, a hand remote hole is formed in the end part of the speed reducer, and a rocking handle is matched with the hand remote hole.
Preferably, the isolating switch comprises a movable side insulating support and a static side insulating support which are fixedly arranged on the supporting frame, one end of the conductive switch blade is movably connected to the upper part of the movable side insulating support, and when the other end of the conductive switch blade is in contact with a contact on the upper part of the static side insulating support, the isolating switch is in a closing state.
Preferably, the connecting device is a copper bar which is bent according to the requirement, so that the conductive part of the isolating switch is communicated.
The beneficial effects of the utility model are as follows:
The miniaturized design concept is adopted, so that on the premise of meeting the insulativity and safety of the product, smaller space is occupied, and indoor installation and cabinet installation of the product can be easily realized;
the integrated level is high, the switch base part integrates the electric operating mechanism, all installation and debugging work is finished before delivery, the site is only required to be hoisted in place, and the electric operating mechanism is firmly fixed after leveling. The installation is trouble-saving and labor-saving;
The control part adopts an integrated control box, the cable wiring adopts an aviation plug, and a large number of on-site wiring links are omitted;
The modular design is quick and efficient in field installation and debugging.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall layout of a combination ice melting disconnector of the present invention;
FIG. 2 is a schematic diagram of a driving device of an ice-melting combined type isolating switch according to the present invention;
FIG. 3 is a schematic diagram of a portion of a disconnector of a combined ice-melting disconnector according to the present invention;
FIG. 4 is a schematic diagram of a control device of an ice-melting combined type isolating switch according to the present invention;
FIG. 5 is another angular overall layout of an ice-melting combination type disconnector of the present invention;
fig. 6 is another angular overall layout of an ice-melting combination type disconnector of the present invention.
Description of the reference numerals
In fig. 1-6, a modular unitary frame base 1; a driving device 2; a fixing plate 21; a crank arm 22; a tie rod joint 23; motor and reducer assembly 24; a stop 25; a travel switch 26; an isolating switch 3; a stationary contact 31; a support insulator 32; an insulating tie rod 33; a movable contact 34; a rotation shaft pin 35; a connecting pin 36; a conductive blade 37; a control device 4; a top cover 41; a limit baffle 42; a front door 43; a rectangular connector 44; a control panel 45; copper bars 5.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses an ice melting combined type isolating switch, which comprises a three-phase combined switch and a six-phase combined switch, wherein the three-phase combined switch has the functions of realizing series-parallel connection switching of a whole power supply loop, the six-phase combined switch has the functions of realizing loop power supply and convenient loop conversion, the three-phase combined switch and the six-phase combined switch both comprise a combined type integral frame, a driving device 2, an isolating switch 3, a connecting device and a comprehensive control device 4, the isolating switch 3 is arranged on the combined type integral frame, the isolating switch 3 comprises an insulating pull rod 33, an insulating support column and a conductive knife 37 for opening and closing, the upper end of the insulating pull rod 33 is movably hinged with the middle part of the conductive knife 37, the insulating pull rod 33 transmits the rotating power of the driving device 2 to the insulating pull rod 33 through a welding driving arm arranged on the driving device 2, so that the insulating pull rod 33 can move up and down, and the insulating pull rod 33 transmits the power to the conductive knife 37, thereby realizing opening and closing of the conductive knife 37. The comprehensive control device 4 can combine the control part, the driving device 2 and the travel switch 26 into a whole through the cable, the control sends out a command to realize the operation of the driving device 2, the mechanical limit trigger travel switch 26 arranged on the driving device 2 can automatically cut off a loop, a certain process of opening or closing the isolating switch 3 is completed, and meanwhile, the travel switch 26 feeds back a signal to the comprehensive control device 4 through the cable to realize the lighting or extinguishing of the closing and opening indicator lamp, so that the equipment state is indicated. The connecting device mainly comprises a supporting insulator 32 and a connecting copper bar 5. The main function is to connect two kinds of switches into a whole, and simultaneously ensure that the insulation distance of the electrified part meets the standard requirement.
The combined integral frame is provided with an open hole base, a driving device 2 is arranged in the open hole base, and a rotary crank arm 22, a stop 25 and a travel switch 26 are arranged on the driving device 2. The rotary crank arm 22 is movably hinged with the lower end of the insulation pull rod 33 through a stainless steel rotary shaft pin 35.
The driving device 2 comprises a driving motor and a reduction device which are connected with each other. The speed reducer is the speed reducer, and the speed reducer tip is provided with the hand hole of remote, can be through supporting rocking handle manual operation, and the debugging when being used for the equipment installation on the one hand, on the other hand equipment is automatically controlled to realize the divide-shut brake operation of isolator 3 through hand when the problem appears, guarantees the line power supply.
The isolating switch 3 comprises a movable side insulating support and a static side insulating support which are fixedly arranged on the supporting frame, and one end of the conductive knife switch 37 is movably hinged to the upper part of the movable side insulating support; when the other end of the conductive knife 37 contacts with the contact on the upper part of the static side insulating support, the isolating switch 3 is in a closing state.
The integrated control device 4 mainly arranges the electric control part of the isolating switch 3 in a box body according to certain electric assembly logic, and can control the switching of the switching on and off of the two combined switches through the box body, thereby forming different power supply loops according to power supply requirements.
The connecting device is mainly a special-shaped copper bar 5 which is bent according to the requirement, so that the conductive part of the isolating switch 3 is communicated, and a conductive loop is formed.
Referring to fig. 1, the invention provides an ice melting combined type isolating switch, which comprises a vertical opening type isolating switch 3, a combined type integral frame base 1, a driving device 2, a control device 4 and various connecting copper bars 5, wherein the vertical opening type isolating switch 3 is arranged on the combined type integral frame base 1, the vertical opening type isolating switch 3 comprises the driving device 2, a crank arm 22 and a conductive knife 37 for opening and closing, the upper end of an insulating pull rod 33 is movably hinged with the middle part of the conductive knife 37, the insulating pull rod 33 transmits rotary power to the crank arm 22 through the driving device 2, and the insulating pull rod 33 converts the rotary power into power for driving the conductive knife 37 to vertically move so as to realize opening and closing operation of the isolating switch 3.
Working principle: the control device 4 transmits power and signals to the driving device 2 through the rectangular connector 44 and the cable, the driving device 2 drives the insulating pull rod 33 to vertically move through the crank arm 22, the insulating pull rod 33 drives the conductive switch blade to act through movable hinging with the conductive switch blade 37, and movable hinging is also adopted between the conductive switch blade 37 and the movable contact 34, so that the conductive switch blade 37 realizes rotary motion and a switch function. Meanwhile, the stop 25 presses down the travel switch 26 in the rotating process, the travel switch 26 turns off the control loop, and the on-off in-place automatic stop of the isolating switch is realized.
In this embodiment, a mounting hole is formed on the combined integral frame base 1, a driving device 2 and a supporting insulator 32 are fixed on the mounting hole, a crank arm 22 is installed on the driving device 2, and the crank arm 22 is movably hinged with the lower end of an insulating pull rod 33. The upper part of the supporting insulator 32 is provided with a fixed contact 31 and a movable contact 34, the movable contact 34 is movably hinged with the end part of the conductive knife switch 37, and the middle part of the conductive knife switch 37 is movably hinged with the insulating pull rod 33. Referring to fig. 3, this part is prior art and will not be described here too much.
Referring to fig. 2, in this embodiment, the driving device 2 includes a mounting plate 21, a crank arm 22, a motor and speed reducer assembly 24, a stop 25, and a travel switch 26, where the crank arm 22 is mounted on the motor speed reducer assembly 24, and rotates along with the speed reducer, while the opposite stop 25 is fixed on a rotating shaft of the crank arm 22, and rotates along with the rotating shaft, during the rotation, an end of the stop 25 triggers the travel switch 26, so as to implement contact switching of the travel switch 26, and a normally closed contact of the travel switch 26 is connected to a motor control loop in the control device 4, so as to cut off the motor loop to implement in-place stop of the driving device 2, while a normally open contact is connected to an indication loop in the control device 4, and light an indication lamp in the control device, so as to indicate the current open and close state of each phase of the isolating switch 2, and the driving device 2 is fixed on the combined integral frame base 1, and the link of the switch is directly completed in a factory.
Referring to fig. 3, in this embodiment, the isolating switch 3 shares 9-phase switches, and different on-off states of the 9-phase switches can be implemented according to different commands of the control device 4, so as to combine into different power supply loops, thereby meeting the random switching requirement of the switches in the ice melting process.
Referring to fig. 4, in this embodiment, the driving device 4 is internally provided with a blank switch, a button and a contactor according to electrical logic, so that the driving device 2 can precisely control the rotation angle of the crank arm 22, and the conductive knife switch 37 is more controllable. The isolating switch 3 is combined into different series-parallel circuits according to the needs, so that the flexible power supply requirement is realized.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An ice-melting combined disconnecting switch, comprising: the combination switch is characterized in that: the combined switch comprises a disconnecting switch and a connecting device, wherein the disconnecting switch is arranged on a combined type integral frame and comprises an insulating pull rod, an insulating support column and a conductive switch blade used for opening and closing, the insulating pull rod is connected to a driving device, and the other end of the insulating pull rod is connected to the conductive switch blade.
2. The ice-melting combined type isolating switch according to claim 1, wherein: the combination switch comprises a three-phase combination switch and a six-phase combination switch.
3. The ice-melting combined type isolating switch according to claim 1, wherein: the combined type integral frame is provided with an open hole base, a driving device is arranged in the open hole base, a rotary crank arm, a stop and a travel switch are arranged on the driving device, and the rotary crank arm is movably connected with the lower end of the insulating pull rod through a rotary shaft pin.
4. The ice-melting combined type isolating switch according to claim 1, wherein: the driving device comprises a driving motor and a speed reducer which are connected with each other, the speed reducer is a speed reducer, a hand remote hole is formed in the end part of the speed reducer, and a rocking handle is matched with the hand remote hole.
5. The ice-melting combined type isolating switch according to claim 1, wherein: the isolating switch comprises a movable side insulating support and a static side insulating support which are fixedly arranged on the supporting frame, one end of the conductive switch blade is movably connected to the upper part of the movable side insulating support, and when the other end of the conductive switch blade is in contact with a contact on the upper part of the static side insulating support, the isolating switch is in a closing state.
6. The ice-melting combined type isolating switch according to claim 1, wherein: the connecting device is a copper bar which is bent according to the requirement, so that the conductive part of the isolating switch is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322987572.0U CN221101930U (en) | 2023-11-06 | 2023-11-06 | Ice-melting combined isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322987572.0U CN221101930U (en) | 2023-11-06 | 2023-11-06 | Ice-melting combined isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101930U true CN221101930U (en) | 2024-06-07 |
Family
ID=91328885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322987572.0U Active CN221101930U (en) | 2023-11-06 | 2023-11-06 | Ice-melting combined isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101930U (en) |
-
2023
- 2023-11-06 CN CN202322987572.0U patent/CN221101930U/en active Active
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