CN217933576U - Lightning protection high-voltage isolating switch - Google Patents
Lightning protection high-voltage isolating switch Download PDFInfo
- Publication number
- CN217933576U CN217933576U CN202222087135.9U CN202222087135U CN217933576U CN 217933576 U CN217933576 U CN 217933576U CN 202222087135 U CN202222087135 U CN 202222087135U CN 217933576 U CN217933576 U CN 217933576U
- Authority
- CN
- China
- Prior art keywords
- isolator
- arrester
- connecting rod
- soft
- high voltage
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000003068 static effect Effects 0.000 abstract description 12
- 230000009471 action Effects 0.000 abstract description 8
- 230000002146 bilateral effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a high voltage isolator technical field, concretely relates to lightning protection high voltage isolator, which comprises a column, stand top fixedly connected with base, base top bilateral symmetry are equipped with a plurality of evenly distributed's post insulator, and the post insulator top of both sides all is provided with the static contact, still is equipped with the arrester between two adjacent post insulators, and arrester top swing joint has two moving contacts corresponding with post insulator position, the moving contact with the static contact cooperation is used and is formed inlet wire isolator, two the bottom of moving contact still is provided with the inlet wire isolation operating device who is used for controlling inlet wire isolator to open and shut, the utility model discloses a set up the arrester, can reduce the overvoltage value that protected equipment bore, the arrester can be used for protecting operation overvoltage, can play the guard action to equipment in the equipment operation.
Description
Technical Field
The utility model relates to a high voltage isolator technical field, concretely relates to lightning protection high voltage isolator.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for high-voltage transmission lines with three-phase alternating current of 50Hz and rated voltage of 12KV and above. The high voltage equipment is used for switching on, switching off or switching over the line under the condition of no voltage load. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, putting in load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment.
The existing isolating switches are mostly assembled together with resistors on site for use in a matched mode, on one hand, the occupied area is large, the assembling is inconvenient, on the other hand, the effect of releasing lightning and operating overvoltage cannot be achieved in the operation of equipment, and then the effect of protecting the safe operation of other equipment cannot be achieved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a lightning protection high voltage isolator, compact structure not only, the security is high moreover, can play the guard action to equipment in equipment operation.
For solving the technical problem, the utility model provides a lightning protection high voltage isolator, which comprises a column, stand top fixedly connected with base, base top bilateral symmetry are equipped with a plurality of evenly distributed's post insulator, and the post insulator top of both sides all is provided with the static contact, still is equipped with the arrester between two adjacent post insulators, and arrester top swing joint has two moving contacts corresponding with the post insulator position, the moving contact with the static contact cooperation is used and is formed inlet wire isolator, two the bottom of moving contact still is provided with the inlet wire isolation operating device who is used for controlling inlet wire isolator to open and shut, still be provided with soft starting isolator between the arrester top and the post insulator of one side wherein, soft starting isolator's bottom is provided with the soft start isolation operating device who is used for controlling soft starting isolator to open and shut.
Through setting up inlet wire isolator, soft isolator that opens to on all installing the base with inlet wire isolator, soft isolator that opens, the integrated level is high, and the installation of being convenient for has improved the installation effectiveness, keeps apart operating device, soft isolation operating device that opens through setting up the inlet wire, on the one hand can be convenient respectively to inlet wire isolator, soft isolator that opens control, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security height.
Furthermore, the top end of the lightning arrester is also provided with a fixed contact, the soft start isolating switch comprises a soft start resistor, one end of the soft start resistor is hinged with the pillar insulator, and the other end of the soft start resistor is connected with the fixed contact on the lightning arrester.
Through setting up soft resistance that opens, can reduce impulse current and play overcurrent protection effect.
Furthermore, the inlet wire isolation operating mechanism and the soft start isolation operating mechanism are the same in structure and respectively comprise an insulating column, a rotating part and a pull rod, the top end of the insulating column is movably connected with the bottom of the moving contact, the bottom end of the insulating column is movably connected with the top end of the pull rod, one end of the rotating part is hinged to the base, and the other end of the rotating part is hinged to the pull rod.
Through setting up the insulated column, security when can guaranteeing the operation, when using, through the drive pull rod, the pull rod drives and rotates piece and insulated column downstream, and the insulated column drives the moving contact downstream to make the moving contact be connected with the static contact, the switch-on circuit, convenient operation.
Further, the base outside still is provided with ground connection isolator, ground connection isolator with inlet wire isolator cooperation is used.
Grounding isolator on the one hand prevents to have residual charge on the consumer behind the power failure, endangers the safety of examining and repairing electrician, plays the discharge effect, and on the other hand prevents circuit breaker internal fault, incomplete separating brake, and the consumer is still electrified after the separating brake operation, endangers examining and repairing electrician's safety, through closing grounding isolator, makes higher level's circuit breaker protection action trip to play the effect of protection personal safety.
Furthermore, the bottom of the grounding isolation switch is also provided with a grounding isolation operating mechanism for controlling the opening and closing of the grounding isolation switch, and the grounding isolation operating mechanism is arranged, so that the operation is more convenient and safer.
Further, operating device is kept apart to ground connection includes first connecting rod, second connecting rod, cam and dwang, first connecting rod with the base rotates to be connected, and first connecting rod run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod one end with first connecting rod swing joint, second connecting rod are used for driving first connecting rod and rotate, the other end and the cam of second connecting rod are articulated, and the cam is applicable to and drives the second connecting rod and remove, dwang and cam fixed connection, dwang are applicable to and drive the cam and rotate.
Furthermore, the post insulator is a ZSW-40.5 pollution-resistant post insulator, and the height of the post insulator is 600mm.
Further, the model of the lightning arrester is Y5W-51/134.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. the utility model discloses a set up the arrester, can reduce the overvoltage value that the equipment of protection bore, the arrester can be used to protect the operation overvoltage, can play the guard action to equipment in equipment operation.
2. The utility model has the advantages that the incoming line isolating switch and the soft starting isolating switch are arranged and are both arranged on the base, the integration level is high, the installation is convenient, the installation efficiency is improved, the incoming line isolating operation mechanism and the soft starting isolating operation mechanism are arranged, on one hand, the incoming line isolating switch and the soft starting isolating switch can be conveniently and respectively controlled, on the other hand, the operation is carried out without the help of tools in the operation process, the operation is convenient and the safety is high,
3. the utility model discloses a set up ground connection isolator, ground connection isolator with the inlet wire isolator cooperation is used to keep apart operating device and inlet wire through ground connection and keep apart the linkage of operating device, can guarantee the main branch-ground and close, the ground divides-the order action that closes mainly, guarantees the security of operation promptly, forms the self preservation and protects the function.
Drawings
Fig. 1 is a schematic structural view of the main view of the present invention;
FIG. 2 is a schematic view of a side view of a partial structure of the present invention;
fig. 3 is a schematic structural view of the present invention from the top;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 5 is a schematic structural view of the middle incoming line isolation operating mechanism of the present invention;
fig. 6 is an electrical schematic diagram of the present invention.
In the figure: 1. a base; 2. a post insulator; 3. a moving contact; 4. a soft start resistance; 5. a soft start isolation operating mechanism; 6. an incoming line isolation operating mechanism; 61. an insulating column; 62. a rotating member; 63. a pull rod; 7. a column; 9. static contact; 10. a grounding isolation switch; 11. a ground isolation operating mechanism; 111. a first link; 112. a second link; 113. a cam; 114. rotating the rod; 12. an arrester.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention.
The existing isolating switches are mostly assembled together with resistors on site for use in a matched mode, on one hand, the occupied area is large, the assembling is inconvenient, on the other hand, the effect of releasing lightning and operating overvoltage cannot be achieved in the operation of equipment, and then the effect of protecting the safe operation of other equipment cannot be achieved.
To solve the above problems, as shown in fig. 1 to 5: the utility model provides a lightning protection high voltage isolator, including stand 7, stand 7 top fixedly connected with base 1, base 1 top bilateral symmetry is equipped with a plurality of evenly distributed's post insulator 2, equal fixed mounting in 2 tops of the post insulator of both sides has static contact 9, still be equipped with arrester 12 between two adjacent post insulators 2, arrester 12 top swing joint has two moving contacts 3 corresponding with post insulator 2 position, wherein the moving contact 3 of one side is as the inlet wire end, opposite side moving contact 3 is as the load end, moving contact 3 uses with the static contact 9 cooperation of inlet wire end and forms inlet wire isolator, the bottom of two moving contacts 3 still is provided with the inlet wire isolation operating device 6 that is used for controlling inlet wire isolator to open and shut, still be provided with soft start isolator between 12 tops of arrester and the post insulator 2 of one side among them, soft start isolator is located the load end, soft start isolator's bottom is provided with soft start isolation operating device 5 that is used for controlling soft start isolator to open and shut.
Specifically, a lightning protection high voltage isolator, including stand 7, stand 7 bottom is fixed in the horizontal ground, stand 7 top fixedly connected with base 1, base 1 comprises a plurality of channel-section steels, base 1 top bilateral symmetry is equipped with a plurality of evenly distributed post insulators 2, the model of post insulator 2 is ZSW-40.5 resistant dirty type post insulator 2, the height of post insulator 2 is 600mm, the equal fixed mounting in post insulator 2 top of both sides has the static contact, still be equipped with arrester 12 between two adjacent post insulators 2, the model of arrester 12 is Y5W-51/134, arrester 12 bottom and base 1 fixed connection, arrester 12 top swing joint has two moving contact 3 corresponding with post insulator 2 position, wherein the moving contact 3 of one side is as the inlet wire end, the opposite side moving contact 3 is as external load end, moving contact 3 uses with the terminal cooperation of inlet wire isolator to form inlet wire isolator with the terminal, the bottom of two moving contact 3 still is provided with the inlet wire isolation operating device 6 that is used for controlling inlet wire isolator to open and shut, still be provided with the isolator between the top of one side pillar 2, the opening soft switch is located the opening and closing the isolator control soft switch.
This embodiment, through setting up the inlet wire isolator, soft isolator that opens, and with the inlet wire isolator, soft isolator that opens all installs on base 1, the integrated level is high, and is convenient for install, and the installation effectiveness is improved, through setting up inlet wire isolation operating device 6, soft isolation operating device 5 that opens, on the one hand can be convenient respectively to the inlet wire isolator, soft isolator that opens controls, on the other hand need not to operate with the help of the instrument again in operation process, convenient operation and security are high, through setting up arrester 12, can reduce the overvoltage value that protected equipment bore, arrester 12 can be used to protect the operation overvoltage, can play the guard action to equipment in equipment operation.
According to the utility model discloses an embodiment, as shown in fig. 1, 12 tops of arrester also are provided with the static contact, and soft isolator of opening includes that one end and post insulator 2 articulated soft resistance 4 of opening, and soft resistance 4's the other end of opening is connected with the static contact on the arrester 12, through setting up soft resistance 4 of opening, can reduce impulse current and play overcurrent protection effect.
According to the utility model discloses a further embodiment, as shown in fig. 5, operating device 6 is kept apart to inlet wire and soft 5 structures that open the isolation operating device the same, all includes insulating column 61, rotates piece 62 and pull rod 63, insulating column 61 top and 3 bottom swing joint of moving contact, insulating column 61 bottom and pull rod 63 top swing joint, it is articulated with base 1 to rotate piece 62 one end, rotates the piece 62 other end and is articulated with pull rod 63.
This embodiment, through setting up insulating column 61, security when can guaranteeing the operation, when using, through drive pull rod 63, pull rod 63 drives and rotates piece 62 and insulating column 61 and move down, and insulating column 61 drives moving contact 3 and moves down to make moving contact 3 and static contact be connected, the switch-on circuit, convenient operation.
In an embodiment of the utility model, as shown in fig. 1-3, the outside still is provided with ground connection isolator 10, ground connection isolator 10 uses with the cooperation of inlet wire isolator, ground connection isolator 10 bottom still is provided with ground connection isolation operating device 11 that is used for controlling ground connection isolator 10 to open and shut, ground connection isolation operating device 11 includes first connecting rod 111, second connecting rod 112, cam 113 and dwang 114, first connecting rod 111 rotates with base 1 to be connected, and first connecting rod 111 run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod 112 one end and first connecting rod 111 swing joint, second connecting rod 112 is used for driving first connecting rod 111 to rotate, the other end of second connecting rod 112 is articulated with cam 113, cam 113 is applicable to drive second connecting rod 112 and removes, dwang 114 and cam 113 fixed connection, dwang 114 is applicable to drive cam 113 and rotates.
In this embodiment, when the grounding isolation switch 10 is operated, the rotating rod 114 is driven to rotate, the rotating rod 114 drives the cam 113 to rotate, the cam 113 drives the second connecting rod 112 to move, the second connecting rod 112 drives the first connecting rod 111 to rotate, and the movable end of the grounding isolation switch 10 rotates, so that the opening and closing control is realized, and the operation is convenient.
The utility model discloses a set up inlet wire isolator, soft isolator that opens, and with inlet wire isolator, soft isolator that opens all install on base 1, the integrated level is high, and the installation of being convenient for has improved installation effectiveness, through setting up inlet wire isolation operating device 6, soft isolation operating device 5 that opens, on the one hand can be convenient respectively to inlet wire isolator, soft isolator control, on the other hand need not to operate with the help of the instrument again in the operation process, convenient operation and security height; through setting up earthing isolator 10, earthing isolator 10 uses with the inlet wire isolator cooperation to through earthing isolation operating device 11 and the linkage of inlet wire isolation operating device 6, can guarantee the main branch-ground closes, the ground divides the order action that closes of closing mainly, guarantee the security of operation promptly, form the self preservation and protect the function, through setting up arrester 12, can reduce the overvoltage value that protected equipment bore, arrester 12 can be used for protecting operation overvoltage, can play the guard action to equipment in the equipment operation.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a lightning protection high voltage isolator which characterized in that: the novel lightning arrester is characterized by comprising a stand column (7), wherein a base (1) is fixedly connected to the top of the stand column (7), a plurality of uniformly distributed post insulators (2) are symmetrically arranged on two sides of the top of the base (1), fixed contacts are arranged on the top ends of the post insulators (2) on two sides, an arrester (12) is arranged between every two adjacent post insulators (2), two movable contacts (3) corresponding to the positions of the post insulators (2) are movably connected to the top end of the arrester (12), the movable contacts (3) are matched with the fixed contacts to form an incoming line isolating switch, the bottom of each movable contact (3) is provided with an incoming line isolating operation mechanism (6) used for controlling the incoming line isolating switch to be opened and closed, a soft-start isolating switch is further arranged between the top end of the arrester (12) and the post insulator (2) on one side of the arrester, and a soft-start isolating operation mechanism (5) used for controlling the soft-start isolating switch to be opened and closed is arranged on the bottom of the soft-start isolating switch.
2. The lightning protection high voltage isolator of claim 1, wherein: the top end of the lightning arrester (12) is also provided with a fixed contact, the soft-start isolating switch comprises a soft-start resistor (4) with one end hinged with the post insulator (2), and the other end of the soft-start resistor (4) is connected with the fixed contact on the lightning arrester (12).
3. The lightning protection high voltage isolator of claim 1, wherein: the inlet wire isolation operating mechanism (6) and the soft start isolation operating mechanism (5) are identical in structure and respectively comprise an insulating column (61), a rotating piece (62) and a pull rod (63), the top end of the insulating column (61) is movably connected with the bottom of the moving contact (3), the bottom end of the insulating column (61) is movably connected with the top end of the pull rod (63), one end of the rotating piece (62) is hinged to the base (1), and the other end of the rotating piece (62) is hinged to the pull rod (63).
4. The lightning protection high voltage isolator of claim 1, wherein: the base (1) outside still is provided with ground connection isolator (10), ground connection isolator (10) with inlet wire isolator cooperation is used.
5. The lightning protection high voltage isolator of claim 4, wherein: and the bottom of the grounding isolating switch (10) is also provided with a grounding isolating operation mechanism (11) for controlling the opening and closing of the grounding isolating switch (10).
6. The lightning protection high voltage isolator of claim 5, wherein: operating device (11) is kept apart in ground connection includes first connecting rod (111), second connecting rod (112), cam (113) and dwang (114), first connecting rod (111) with base (1) rotates to be connected, and first connecting rod (111) run through a plurality of isolator and with isolator's one end fixed connection, second connecting rod (112) one end with first connecting rod (111) swing joint, second connecting rod (112) are used for driving first connecting rod (111) and rotate, the other end and cam (113) of second connecting rod (112) are articulated, and cam (113) are applicable to and drive second connecting rod (112) and remove, dwang (114) and cam (113) fixed connection, and dwang (114) are applicable to and drive cam (113) and rotate.
7. The lightning protection high voltage isolator of claim 1, wherein: the post insulator (2) is a ZSW-40.5 stain-resistant post insulator (2), and the height of the post insulator (2) is 600mm.
8. The lightning protection high voltage isolator of claim 1, wherein: the model of the lightning arrester (12) is Y5W-51/134.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087135.9U CN217933576U (en) | 2022-08-09 | 2022-08-09 | Lightning protection high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087135.9U CN217933576U (en) | 2022-08-09 | 2022-08-09 | Lightning protection high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217933576U true CN217933576U (en) | 2022-11-29 |
Family
ID=84152495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222087135.9U Active CN217933576U (en) | 2022-08-09 | 2022-08-09 | Lightning protection high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217933576U (en) |
-
2022
- 2022-08-09 CN CN202222087135.9U patent/CN217933576U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6144005A (en) | Vacuum switch and a vacuum switchgear using the same | |
| EP2669921A1 (en) | Circuit breaker apparatus | |
| RU2410788C2 (en) | Electric switching device | |
| JPH06335125A (en) | Switching device | |
| CN217933576U (en) | Lightning protection high-voltage isolating switch | |
| CN218160133U (en) | Self-protection high-voltage isolating switch | |
| CN218160134U (en) | Multifunctional isolating switch | |
| CA2310619C (en) | Arcing fault protection system for a switchgear enclosure | |
| CN115206723A (en) | Lightning protection high-voltage isolating switch | |
| CN219800731U (en) | High-voltage isolating switch convenient to overhaul | |
| CN115295348A (en) | High-voltage isolating switch convenient to overhaul | |
| GB2540813A (en) | Electrical assembly | |
| CN115172091A (en) | Self-protection high-voltage isolating switch | |
| CN115132518A (en) | Multifunctional isolating switch | |
| EP2249363A1 (en) | Arrangement, substation, operating method and use of a grounding switch for protecting an electrical circuit against short-line faults | |
| CN109524257B (en) | Interlocking mechanism of integrated switch mechanism | |
| Hara et al. | Fault protection of metallic return circuit of Kii channel HVDC system | |
| CN2622828Y (en) | Arcless reversing service of switch plant | |
| CN110223878A (en) | One kind not vacuumizing high-voltage circuitbreaker | |
| CN215265998U (en) | Distribution network overhead line type grounding switch | |
| JP3337749B2 (en) | High-speed reclosable earthing switch | |
| CN211907314U (en) | Circuit breaker with nonlinear opening and closing resistor | |
| CN2471004Y (en) | Crowbar device of neutral point directly grounding system | |
| CN109545612B (en) | Integrated load switch, combined electrical apparatus and cubical switchboard | |
| CN201213224Y (en) | Over-current protecting equipment for voltage mutual inductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lightning proof high-voltage isolation switch Effective date of registration: 20230517 Granted publication date: 20221129 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN HAOTE POWER CIRCUIT-BREAKER MANUFACTURE Co.,Ltd. Registration number: Y2023610000377 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20221129 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: XI'AN HAOTE POWER CIRCUIT-BREAKER MANUFACTURE Co.,Ltd. Registration number: Y2023610000377 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |