Totally-enclosed 10kV outdoor high-voltage isolating switch with joint

Abstract

The utility model relates to the technical field of switching devices, in particular to a totally-enclosed 10kV outdoor high-voltage isolating switch with a joint. Comprising a base body, a first insulating part arranged on the base body, a second insulating part arranged at an interval with the first insulating part, a first connecting part arranged on the first insulating part, a second connecting part arranged on the second insulating part, and a disconnecting link rotationally arranged between the first insulating part and the second insulating part, the first connecting piece and the second connecting piece are respectively provided with a silica gel insulating layer. According to the utility model, the silica gel insulating layer is firmly sleeved on the first connecting piece and the second connecting piece, so that the insulating property is enhanced, and the working safety performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a switch device technical field especially relates to a take joint full -enclosed 10kV outdoor high -voltage disconnecting switch. BACKGROUND

[0002] High -voltage disconnecting switch is the important switch device in the electrical system of power plant and transformer substation, and the main function is to guarantee the safety performance of high -voltage electrical apparatus and device when overhauling, and the function of isolating voltage is played, and the structure of high -voltage disconnecting switch is relatively simple, and is mainly composed of base, rod type support insulator, conducting knife switch, wiring terminal and transmission part etc., and the general operation sequence is usually as follows: first, check the circuit breaker of the corresponding loop to ensure the true disconnection orientation, first pull the circuit breaker when power off, then pull the line side disconnecting switch, and then pull the bus side disconnecting switch, and the power transmission sequence is opposite to the power off sequence. The existing rod type support insulator is vulnerable to bird pecking from outside and causes the condition of the umbrella skirt through the through hole or the sheath tearing damage, greatly reduces the creepage distance of the rod type support insulator, thereby affecting the insulation performance of the whole high -voltage disconnecting switch, especially under the high humidity weather conditions such as rainy day, foggy day, the damaged rod type support insulator exposed to the outside is prone to partial arc discharge, causes a series of electrochemical reactions, and even serious accidents occur, which is extremely harmful to the power grid. SUMMARY

[0003] The utility model discloses to the deficiency of prior art, provide a kind of with joint full -enclosed 10kV outdoor high -voltage disconnecting switch, using silica gel insulation layer firmly sleeveing on first connecting piece and second connecting piece, enhance insulation performance, improve work safety performance.

[0004] To achieve the above object, a kind of with joint full -enclosed 10kV outdoor high -voltage disconnecting switch of the utility model, including seat body, the first insulating piece of being arranged in seat body, the second insulating piece of being spaced apart with the first insulating piece, the first connecting piece of being arranged in the first insulating piece, the second connecting piece of being arranged in the second insulating piece and the knife switch of being rotationally arranged between the first insulating piece and the second insulating piece, the first connecting piece and the second connecting piece are all provided with silica gel insulation layer.

[0005] Preferably, the first connecting piece includes a first connecting seat, a first socket disposed in the first connecting seat, a first plug electrically connected to the first socket, a first jack disposed in the first socket, a first annular groove disposed in the first jack, and a first crown spring disposed in the first annular groove. The first plug has a first lead wire disposed at an end away from the first socket. The silica gel insulation layer is sleeved on the outside of the first plug and the first socket.

[0006] Preferably, the first connecting seat is provided with a first connecting column which is vertically arranged with the first connecting seat, the first connecting column is provided with a first connecting groove, the one end of the knife switch close to the first connecting groove is provided with a pull ring, the outer side of the pull ring is provided with a first connecting block which protrudes into the first connecting groove.

[0007] Preferably, the outer wall of the first socket is provided with a first outer thread, the inner wall of the first plug is provided with a first inner thread, and the first outer thread is threadedly connected with the first inner thread.

[0008] Preferably, the second connecting piece comprises a second connecting seat, a second socket arranged on the second connecting seat, a second plug electrically connected with the second socket, a second jack arranged on the second socket, a second annular groove arranged on the second jack, and a second crown spring arranged on the second annular groove, the one end of the second plug away from the second socket is provided with a second lead wire, and the silica gel insulation layer is sleeved on the outer side of the second plug and the second socket.

[0009] Preferably, the second connecting seat is provided with a second connecting column which is vertically arranged with the second connecting seat, the one end of the knife switch close to the second connecting column is provided with a hinge joint, and the connecting part between the second connecting column and the hinge joint is provided with a hinge shaft.

[0010] Preferably, the outer wall of the second socket is provided with a second outer thread, the inner wall of the second plug is provided with a second inner thread, and the second outer thread is threadedly connected with the second inner thread.

[0011] Preferably, the knife switch is arranged with a first conductive column and a second conductive column.

[0012] The utility model discloses the beneficial effect: utilize silica gel insulation layer firm sleeve joint on first connecting piece and second connecting piece, strengthen the insulation performance, promote the work safety performance. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model.

[0014] Figure 2 It is the first socket structure schematic diagram of the utility model.

[0015] Figure 3 It is the first plug structure schematic diagram of the utility model.

[0016] Figure 4 It is the second socket structure schematic diagram of the utility model.

[0017] Figure 5 It is the second plug structure schematic diagram of the utility model.

[0018] The reference signs comprise:

[0019] 1 - base 2 - first insulating part 3 - second insulating part

[0020] 4 - first connecting part 41 - first connecting seat 42 - first socket

[0021] 43 - first plug 44 - first socket hole 45 - first annular groove

[0022] 46 - first crown spring 47 - first wire 48 - first connecting column

[0023] 49 - first connecting groove 410 - first external thread 411 - first internal thread

[0024] 5 - second connecting part 51 - second connecting seat 52 - second socket

[0025] 53 - second plug 54 - second socket hole 55 - second annular groove

[0026] 56 - second crown spring 57 - second wire 58 - second connecting column

[0027] 59 - second external thread 510 - second internal thread

[0028] 6 - knife switch 61 - pull ring 62 - first connecting block

[0029] 63 - hinged joint 64 - hinged shaft 65 - first conductive column

[0030] 66 - second conductive column

[0031] 7 - silica gel insulating layer. DETAILED DESCRIPTION

[0032] The utility model is described in detail below in combination with the drawings.

[0033] As Figures 1 to 5 shown, the utility model relates to a kind of full-closed 10kV outdoor high-voltage disconnecting switch with connector, including base 1, the first insulating part 2 being arranged in base 1, the second insulating part 3 being arranged at the interval of first insulating part 2, the first connecting part 4 being arranged in first insulating part 2, the second connecting part 5 being arranged in second insulating part 3 and the knife switch 6 being rotatably arranged between first insulating part 2 and second insulating part 3, the first connecting part 4 and second connecting part 5 are all provided with silica gel insulating layer 7.

[0034] As preferred, the first insulating piece 2 and the second insulating piece 3 are both rod-type support insulators in the prior art, which can achieve the purposes of lightning protection and overvoltage protection, and ensure the normal operation of the outdoor high-voltage isolating switch, and the knife switch 6 is rotatably arranged between the first insulating piece 2 and the second insulating piece 3, and the normal operation between the first connecting piece 4, the second connecting piece 5 and the external equipment is connected through the closing of the knife switch 6, and since the silica gel insulation layer 7 has good high-temperature resistance, cold resistance, acid and alkali corrosion resistance and electrical insulation performance, it is widely used in the fields of electric power, electronics, aviation and the like, and the silica gel insulation layer 7 also has good oxidation resistance and anti-aging ability, and can maintain stable working performance in a long-term high-temperature environment, and the silica gel insulation layer 7 is stably installed on the first connecting piece 4 and the second connecting piece 5, effectively preventing the first connecting piece 4 and the second connecting piece 5 from accidentally tilting and swinging, and having good position firmness and prolonging the service life.

[0035] The first connecting piece 4 of the embodiment comprises a first connecting seat 41, a first socket 42 arranged on the first connecting seat 41, a first plug 43 electrically connected with the first socket 42, a first jack 44 arranged on the first socket 42, a first annular groove 45 arranged on the first jack 44, and a first crown spring 46 arranged on the first annular groove 45, wherein one end of the first plug 43 away from the first socket 42 is provided with a first lead wire 47, and the silica gel insulation layer 7 is sleeved on the outside of the first plug 43 and the first socket 42. Specifically, the first connecting seat 41 is connected to the outside of the first insulating piece 2, the first connecting seat 41 is connected with the first socket 42, the first jack 44 is arranged through the middle part of the first socket 42, the first annular groove 45 is arranged around the circumference of the first jack 44, and the first crown spring 46 is correspondingly embedded into the first annular groove 45, the depth of the first annular groove 45 is greater than the height of the first crown spring 46, so as to accommodate the axial deformation of the first crown spring 46, when the first plug 43 is inserted into the first socket 42 and electrically connected with the first socket 42, the multiple contacts of the first crown spring 46 are in contact with the outer wall of the first plug 43 while being pressed, so that the first crown spring 46 is compressed, and at the same time, the first plug 43 and the first socket 42 are applied with reverse pressure, forming long-term contact force to enhance the connection stability, and the first lead wire 47 is a JK-10, 1X50 insulated lead wire.

[0036] The first connecting column 48 is vertically arranged on the first connecting seat 41, and the first connecting column 48 is provided with a first connecting groove 49. The knife switch 6 is provided with a pull ring 61 at one end close to the first connecting groove 49, and the outer side of the pull ring 61 is provided with a first connecting block 62 which protrudes into the first connecting groove 49. Specifically, the first connecting column 48 is vertically arranged on the first connecting seat 41. The worker pulls the knife switch 6 up and down through the pull ring 61, so that the knife switch 6 is rotationally arranged between the first insulating part 2 and the second insulating part 3. The pull ring 61 protrudes into the first connecting groove 49 through the first connecting block 62, so as to fix the knife switch 6 on the first connecting column 48, and the positioning is simple and convenient.

[0037] The outer wall of the first socket 42 is provided with a first external thread 410, the inner wall of the first plug 43 is provided with a first internal thread 411, and the first external thread 410 is threadedly connected with the first internal thread 411. Specifically, when the first plug 43 is inserted into the first socket 42, the first plug 43 is further rotated, so that the first internal thread 411 is threadedly connected with the first external thread 410, and the connection firmness between the first plug 43 and the first socket 42 is further improved.

[0038] The second connecting part 5 includes a second connecting seat 51, a second socket 52 arranged on the second connecting seat 51, a second plug 53 electrically connected with the second socket 52, a second jack 54 arranged on the second socket 52, a second annular groove 55 arranged on the second jack 54, and a second crown spring 56 arranged on the second annular groove 55. One end of the second plug 53 away from the second socket 52 is provided with a second lead wire 57, and the silica gel insulation layer 7 is sleeved on the outer side of the second plug 53 and the second socket 52. Specifically, the second connecting seat 51 is connected on the outer side of the second insulating part 3, the second connecting seat 51 is connected with the second socket 52, the second jack 54 is arranged through the middle part of the second socket 52, the second annular groove 55 is arranged around the circumference of the second jack 54, and the second crown spring 56 is correspondingly embedded into the second annular groove 55. The depth of the second annular groove 55 is greater than the height of the second crown spring 56, so as to accommodate the axial deformation of the second crown spring 56. When the second plug 53 is inserted into the second socket 52 and electrically connected with the second socket 52, the multiple contacts of the second crown spring 56 are in contact with the outer wall of the second plug 53 while being pressed, so that the second crown spring 56 is compressed and at the same time applies a reverse pressure to the second plug 53 and the second socket 52, forming a long-lasting contact force to enhance the connection stability. The second lead wire 57 is a JK-10, 1X50 insulated lead wire.

[0039] The second connecting seat 51 of the embodiment is provided with a second connecting column 58, which is vertically arranged with the second connecting seat 51. The cutter shutter 6 is provided with a hinged joint 63 at one end close to the second connecting column 58. A hinged shaft 64 is arranged between the second connecting column 58 and the hinged joint 63. Specifically, the second connecting column 58 is vertically arranged on the second connecting seat 51. The hinged joint 63 rotates around the second connecting column 58 through the hinged shaft 64, so that the cutter shutter 6 is rotationally connected between the first insulating part 2 and the second insulating part 3.

[0040] The outer wall of the second socket 52 of the embodiment is provided with a second outer thread 59. The inner wall of the second plug 53 is provided with a second inner thread 510. The second outer thread 59 is threadedly connected with the second inner thread 510. Specifically, when the second plug 53 is inserted into the second socket 52, the second plug 53 is further rotated, so that the second inner thread 510 is threadedly connected with the second outer thread 59, further improving the connection firmness between the second plug 53 and the second socket 52.

[0041] The cutter shutter 6 of the embodiment is spaced apart with a first conductive column 65 and a second conductive column 66. Specifically, when the cutter shutter 6 is closed between the first insulating part 2 and the second insulating part 3, the first conductive column 65 and the second conductive column 66 respectively protrude into the first insulating part 2 and the second insulating part 3, so that the first conductive column 65 and the second conductive column 66 are electrically connected with the corresponding working components.

[0042] The above is only the preferred embodiment of the utility model. For ordinary skilled in the art, according to the utility model's thought, in specific implementation and application range will have the change, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A full closed 10 kV outdoor high voltage disconnector with a joint, characterized in that: The utility model provides a circuit breaker, including the seat body, first insulating piece of setting in seat body, second insulating piece of interval setting with first insulating piece, first connecting piece of setting in first insulating piece, second connecting piece of setting in second insulating piece and knife switch of rotation setting between first insulating piece and second insulating piece, first connecting piece and second connecting piece all are provided with silica gel insulating layer.

2. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 1, characterized in that: The first connecting piece includes a first connecting seat, a first socket provided on the first connecting seat, a first plug electrically connected with the first socket, a first jack provided on the first socket, a first annular groove provided on the first jack, and a first crown spring provided on the first annular groove. The end of the first plug away from the first socket is provided with a first wire. The silica gel insulating layer is sleeved on the outside of the first plug and the first socket.

3. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 2, characterized in that: The first connecting seat is provided with a first connecting column, and the first connecting column is vertically arranged with the first connecting seat. The first connecting column is provided with a first connecting groove. The knife switch is provided with a pull ring at one end close to the first connecting groove. The outside of the pull ring is provided with a first connecting block, and the first connecting block protrudes into the first connecting groove.

4. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 2, characterized in that: The outer wall of the first socket is provided with a first external thread, and the inner wall of the first plug is provided with a first internal thread. The first external thread is threadedly connected with the first internal thread.

5. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 1, characterized in that: The second connecting piece includes a second connecting seat, a second socket provided on the second connecting seat, a second plug electrically connected with the second socket, a second jack provided on the second socket, a second annular groove provided on the second jack, and a second crown spring provided on the second annular groove. The end of the second plug away from the second socket is provided with a second wire. The silica gel insulating layer is sleeved on the outside of the second plug and the second socket.

6. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 5, characterized in that: The second connecting seat is provided with a second connecting column, and the second connecting column is vertically arranged with the second connecting seat. The knife switch is provided with a hinge joint at one end close to the second connecting column. A hinge shaft is arranged between the second connecting column and the hinge joint.

7. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 5, characterized in that: The outer wall of the second socket is provided with a second external thread, and the inner wall of the second plug is provided with a second internal thread. The second external thread is threadedly connected with the second internal thread.

8. A full enclosed 10 kV outdoor high voltage disconnector with joints according to claim 1, characterized in that: The knife switch is provided with a first conductive column and a second conductive column.

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