CN203871255U - Rainproof disconnecting switch - Google Patents

Rainproof disconnecting switch Download PDF

Info

Publication number
CN203871255U
CN203871255U CN201420314810.XU CN201420314810U CN203871255U CN 203871255 U CN203871255 U CN 203871255U CN 201420314810 U CN201420314810 U CN 201420314810U CN 203871255 U CN203871255 U CN 203871255U
Authority
CN
China
Prior art keywords
mounting groove
rain cover
rain
isolating switch
contact knife
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.)
Expired - Fee Related
Application number
CN201420314810.XU
Other languages
Chinese (zh)
Inventor
李建峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuangliu County Power Supply Branch Of State Grid Sichuan Electric Power Co
Original Assignee
Shuangliu County Power Supply Branch Of State Grid Sichuan Electric Power Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shuangliu County Power Supply Branch Of State Grid Sichuan Electric Power Co filed Critical Shuangliu County Power Supply Branch Of State Grid Sichuan Electric Power Co
Priority to CN201420314810.XU priority Critical patent/CN203871255U/en
Application granted granted Critical
Publication of CN203871255U publication Critical patent/CN203871255U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a rainproof disconnecting switch which comprises a contact cutter, a rainproof cover, an input electrode, an operational insulator, two supporting insulators, a pedestal, an output electrode and a mounting groove. One end of the contact cutter is hinged to the output electrode, and the contact cutter at the end is clamped inside the mounting groove. The two supporting insulators are vertically fixed between the mounting groove and the pedestal and are parallel to each other. Tops of the two supporting insulators are respectively connected with the input electrode and the output electrode. Two ends of the operational insulator are vertically clamped inside the mounting groove and a neck in the pedestal respectively. The operational insulator can slide side to side. The operational insulator is positioned between the two supporting insulators. The rainproof cover is installed on the top of the mounting groove. The top of the rainproof cover is provided with a rectangular opening and an opening and closing door connected to the rectangular opening. Through the above structure, the situation that the disconnecting switch is exposed to the outside environment for a long time and corrosion and break, jam fault of operations, opening and closing failures or uncompleted closing happen to parts such as the pedestal, the contact cutter, the mounting groove and the like are avoided, and safe operation of a power grid is guaranteed.

Description

Rain-proof type isolating switch
Technical field
The utility model relates to power domain, particularly, relates to rain-proof type isolating switch.
Background technology
?isolating switch is in no-load situation, disconnect or connect the transmission facility of high-tension line, and the electric equipment such as high voltage bus, circuit breaker being overhauled and charged high-tension line is carried out to the equipment of electrical isolation.Isolating switch principles and structure is fairly simple, and in use, promote contact knife contact knife is entered in elastic clip, and then conducting transmission of electricity circuit.All the time, one of high-voltage electrical equipment that high voltage isolator is all use amount maximum in electric power system, range of application is the widest.But, safeguard owing to exceeding the time limit, base, the connection bracket on isolating switch, the position that is in transmission connection, plug-in strip contact etc. are exposed to the sun and rain for a long time easily occurs the situation of the stuck and corrosion fracture of corrosion, high voltage isolator is in operation and has also occurred operation bite, drawing is malfunctioning, the phenomenon not in place of closing a floodgate.If it is bad that these phenomena of the failure are processed, by the safety in production of serious threat electrical network.
Utility model content
Technical problem to be solved in the utility model is to provide rain-proof type isolating switch, special rain cover is set, avoid isolating switch long term exposure in outside, there is the malfunctioning or situation not in place of closing a floodgate of corrosion fracture, operation bite, drawing in each parts such as base, contact knife, mounting groove, ensures the safe operation of electrical network.
The technical scheme in the invention for solving the above technical problem is: rain-proof type isolating switch, comprise contact knife, rain cover, input electrode, operation insulator, two post insulators, base, output electrode and mounting grooves, described contact knife one end is hinged in output electrode and the contact knife of this end is connected in mounting groove; Two described post insulators are vertically fixed between mounting groove and base and are parallel to each other, and connect respectively input electrode and output electrode at the top of two post insulators; Described operation insulator two ends are vertically stuck in respectively in the draw-in groove on mounting groove and base, and operation insulator can horizontally slip, and operation insulator is between two post insulators; Described rain cover is arranged on the top of mounting groove, in the top of rain cover oblong openings be connected to the switching door in oblong openings.Whole isolating switch is all positioned at the below of rain cover, avoid isolating switch long term exposure in air, expose to the sun and rain, there is the situation that parts corrosion is stuck or corrosion is ruptured on isolating switch, thereby avoid in running occurring the malfunctioning and situation not in place of closing a floodgate of operation bite, drawing, ensure the safe operation of electrical network.In the time of needs conducting transmission of electricity circuit, open switching door, contact knife is pressed in mounting groove, promote operation insulator, contact knife is contacted with the elastic clip in input electrode, thereby then On current close switching door.
On described rain cover, the length of oblong openings is greater than the length of contact knife, and on rain cover, the width of oblong openings is greater than the width of contact knife.In ensureing that rain cover can cover whole isolating switch, facilitate contact knife to be pressed into or to pull out in mounting groove by oblong openings, realize circuit turn-on or disconnection.
Multiple sides of described rain cover are all horizontal by acute angle.Allow water can be fast discharge from multiple sides of rain cover, avoid rainwater to pile up on rain cover draining on the isolating switch below rain cover.
The length of described rain cover is greater than the length of base.Convenient protection base, avoids base to be subject to rainwater corrosion.
On described switching door, be provided with the buckle mating with rain cover top, on the right side of switching door, the through hole mating with contact knife be also set.In the time not needing conducting transmission line, contact knife one end is passed to the through hole on switching door, switching door is buckled in to the top of rain cover, be buckled on rain cover by the buckle arranging on switching door, ensure the sealing at rain cover top, the parts that ensure to be positioned at rain cover below are avoided the erosion of rainwater.
Described two post insulators and operation insulator are parallel to each other and all perpendicular to mounting groove.
In described input electrode, run-on tab is set.For conducting transmission line.
To sum up, the beneficial effects of the utility model are:
1, special rain cover is set, avoids isolating switch long term exposure in outside, there is the malfunctioning or situation not in place of closing a floodgate of corrosion fracture, operation bite, drawing in each parts such as base, contact knife, mounting groove, ensures the safe operation of electrical network
2, switching door is set on rain cover, when guarantee is rainproof, facilitates contact knife to carry out folding operation, realize conducting and the opening operation of circuit.
3, on switching door, be provided with the buckle mating with rain cover top, right side at switching door also arranges the through hole mating with contact knife, in the time not needing conducting transmission line, contact knife one end is passed to the through hole on switching door, switching door is buckled in to the top of rain cover, be buckled on rain cover by the buckle arranging on switching door, ensure the sealing at rain cover top, the parts that ensure to be positioned at rain cover below are avoided the erosion of rainwater.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of removing in Fig. 1 after rain cover.
Mark and corresponding parts title in accompanying drawing: 1, contact knife; 2, rain cover; 3, switching door; 4, input electrode; 5, post insulator; 6, operation insulator; 7, base; 8, output electrode; 9, mounting groove.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but execution mode of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1-2, the utility model comprises contact knife 1, rain cover 2, input electrode 4, operation insulator 6, two post insulators 5, base 7, output electrode 8 and mounting grooves 9, and described contact knife 1 one end is hinged in output electrode 8 and the contact knife 1 of this end is connected in mounting groove 9.Two post insulators 5 are vertically fixed between mounting groove 9 and base 7 and are parallel to each other, and connect respectively input electrode 4 and output electrode 8 at the top of two post insulators 5.Operation insulator 6 two ends are vertically stuck in respectively in the draw-in groove on mounting groove 9 and base 7, and operation insulator 6 can horizontally slip, and operation insulator 6 is between two post insulators 5.Rain cover 2 is arranged on the top of mounting groove 9, in the top of rain cover 2 oblong openings be connected to the switching door 3 in oblong openings.
By the switching door closure at rain cover top, whole isolating switch is all positioned at the below of rain cover, avoid isolating switch long term exposure in air, expose to the sun and rain, there is the situation that parts corrosion is stuck or corrosion is ruptured on isolating switch, thereby avoid in running occurring the malfunctioning and situation not in place of closing a floodgate of operation bite, drawing, ensure the safe operation of electrical network.In the time of needs conducting transmission of electricity circuit, open switching door, contact knife is pressed in mounting groove, promote operation insulator, contact knife is contacted with the elastic clip in input electrode, thereby then On current close switching door.
Embodiment 2:
Preferably concrete structure is as follows on the basis of embodiment 1 for the present embodiment: on rain cover 2, the length of oblong openings is greater than the length of contact knife 1, and on rain cover 2, the width of oblong openings is greater than the width of contact knife 1.In ensureing that rain cover can cover whole isolating switch, facilitate contact knife to be pressed into or to pull out in mounting groove by oblong openings, realize circuit turn-on or disconnection.
Multiple sides of rain cover 3 are all horizontal by acute angle.Allow water can be fast discharge from multiple sides of rain cover, avoid rainwater to pile up on rain cover draining on the isolating switch below rain cover.
The length of rain cover 3 is greater than the length of base 7.Convenient protection base, avoids base to be subject to rainwater corrosion.
Embodiment 3:
Preferably concrete structure is as follows on the basis of above-described embodiment for the present embodiment: on switching door 3, be provided with the buckle mating with rain cover 2 tops, on the right side of switching door 3, the through hole mating with contact knife 1 be also set.In the time not needing conducting transmission line, contact knife one end is passed to the through hole on switching door, switching door is buckled in to the top of rain cover, be buckled on rain cover by the buckle arranging on switching door, ensure the sealing at rain cover top, the parts that ensure to be positioned at rain cover below are avoided the erosion of rainwater.
Two post insulators 5 and operation insulator 6 are parallel to each other and all perpendicular to mounting groove 9.
In input electrode 4, run-on tab is set.
As mentioned above, can realize preferably the utility model.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection range of the present utility model.

Claims (7)

1. rain-proof type isolating switch, it is characterized in that, comprise contact knife (1), rain cover (2), input electrode (4), operation insulator (6), two post insulators (5), base (7), output electrode (8) and mounting groove (9), described contact knife (1) one end is hinged on output electrode (8) contact knife (1) upper and this end and is connected in mounting groove (9); Described two post insulators (5) are vertically fixed between mounting groove (9) and base (7) and are parallel to each other, and connect respectively input electrode (4) and output electrode (8) at the top of two post insulators (5); Described operation insulator (6) two ends are vertically stuck in respectively in the draw-in groove on mounting groove (9) and base (7), and operation insulator (6) can horizontally slip, and operation insulator (6) is positioned between two post insulators (5); Described rain cover (2) is arranged on the top of mounting groove (9), in the top oblong openings of rain cover (2) be connected to the switching door (3) in oblong openings.
2. rain-proof type isolating switch according to claim 1, is characterized in that, the length of the upper oblong openings of described rain cover (2) is greater than the length of contact knife (1), and the width of the upper oblong openings of rain cover (2) is greater than the width of contact knife (1).
3. rain-proof type isolating switch according to claim 1 and 2, is characterized in that, multiple sides of described rain cover (3) are all horizontal by acute angle.
4. rain-proof type isolating switch according to claim 1 and 2, is characterized in that, the length of described rain cover (3) is greater than the length of base (7).
5. rain-proof type isolating switch according to claim 1, is characterized in that, is provided with the buckle mating with rain cover (2) top on described switching door (3), and the through hole mating with contact knife (1) is also set on the right side of switching door (3).
6. rain-proof type isolating switch according to claim 1, is characterized in that, described two post insulators (5) and operation insulator (6) are parallel to each other and all perpendicular to mounting groove (9).
7. rain-proof type isolating switch according to claim 1, is characterized in that, described input electrode arranges run-on tab on (4).
CN201420314810.XU 2014-06-13 2014-06-13 Rainproof disconnecting switch Expired - Fee Related CN203871255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420314810.XU CN203871255U (en) 2014-06-13 2014-06-13 Rainproof disconnecting switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420314810.XU CN203871255U (en) 2014-06-13 2014-06-13 Rainproof disconnecting switch

Publications (1)

Publication Number Publication Date
CN203871255U true CN203871255U (en) 2014-10-08

Family

ID=51652180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420314810.XU Expired - Fee Related CN203871255U (en) 2014-06-13 2014-06-13 Rainproof disconnecting switch

Country Status (1)

Country Link
CN (1) CN203871255U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106653241A (en) * 2017-03-08 2017-05-10 河南省德立泰高压电瓷电器有限公司 Rainproof insulator group
CN106847602A (en) * 2017-04-07 2017-06-13 国网江苏省电力公司检修分公司 A kind of quick detachable easy-to-maintain isolation switch contact rain cover device
CN106932612A (en) * 2017-02-27 2017-07-07 清华大学 Saline fog method test base
CN107180727A (en) * 2017-07-04 2017-09-19 合肥东玖电气有限公司 A kind of anti-corrosion disconnecting switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106932612A (en) * 2017-02-27 2017-07-07 清华大学 Saline fog method test base
CN106653241A (en) * 2017-03-08 2017-05-10 河南省德立泰高压电瓷电器有限公司 Rainproof insulator group
CN106847602A (en) * 2017-04-07 2017-06-13 国网江苏省电力公司检修分公司 A kind of quick detachable easy-to-maintain isolation switch contact rain cover device
CN107180727A (en) * 2017-07-04 2017-09-19 合肥东玖电气有限公司 A kind of anti-corrosion disconnecting switch

Similar Documents

Publication Publication Date Title
US9054557B2 (en) Voltage balancing of symmetric HVDC monopole transmission lines after earth faults
CN203871255U (en) Rainproof disconnecting switch
CN102931609A (en) Operation method for replacing 10kV drop-out fuse in on-load manner
CN201868841U (en) Low-voltage blocked overcurrent protection circuit
EP2744062A1 (en) A subsea system with ride-through protecion
CN204391681U (en) Earth leakage protective device
CN203800403U (en) Multifunctional distribution terminal box
CN103490406A (en) Arc extinction device for solving problem of interphase short circuit according to full resistance method
CN208862536U (en) Fault isolation device under drawing for 10kV cable
CN204012700U (en) Power network neutral point grounding system
CN203522176U (en) Arc extinction device for solving problem of interphase short circuit according to full resistance method
CN203491969U (en) Safe direct current combiner box
CN203859482U (en) Low-voltage cable branch box
CN202206133U (en) Lightning protection isolator for direct-to-home signal line and power socket with same
CN108074761B (en) A kind of rain-proof type disconnecting switch protective device
CN204258230U (en) With the overhead transmission line of reclosing breaker
CN204967248U (en) Prevent protection device of high -pressure generating line short circuit
Kaiser et al. A Comprehensive Approach for Safety in DC-Microgrids
CN204809105U (en) Insulating protection high voltage isolator
CN203134650U (en) Single-phase static contact group used for fuse-type isolating switch
CN204046437U (en) The protective circuit of photovoltaic DC-to-AC converter
CN204131325U (en) A kind of can the high-voltage motor of lightning protection
CN203645409U (en) GSM power distribution room remote integration protection controller
JP2015012129A (en) Joint box of photovoltaic power generation system
CN203607681U (en) Electrical equipment cabinet with insulated protection cover added around bus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141008

Termination date: 20200613