阅读说明：本技术 一种气体绝缘型开关柜 (Gas insulation type switch cabinet ) 是由 王哲 王宇 黄光营 王涛 徐星普 于 2020-08-04 设计创作，主要内容包括：本发明提供一种气体绝缘型开关柜,包括柜体、设置在柜体一侧的开口以及设置在开口的柜门,所述开口向外侧设置一圈第一突板,所述柜门的面积大于开口的面积,所述柜门的侧面对应第一突板设置第一密封圈,所述柜门的边缘设置一圈第二突板,所述第二突板的边沿设置第二密封圈,所述第一突板和第二突板之间为液态密封区,所述柜门内部对应液态密封区设置调温机构,所述柜门的外侧在地面设置启闭小车,所述柜门外侧设置与启闭小车活动连接的连接机构,所述启闭小车对应所述柜门的下端设置液态金属注入机构。本发明采用新的密封方式对绝缘型开关柜进行密封,使得开关柜的密封效果以及使用寿命都会大大提高,与市面上的现有产品相比效果很显著。(The invention provides a gas insulation type switch cabinet which comprises a cabinet body, an opening and a cabinet door, wherein the opening is arranged on one side of the cabinet body, the cabinet door is arranged on the opening, a circle of first protruding plate is arranged on the outer side of the opening, the area of the cabinet door is larger than that of the opening, a first sealing ring is arranged on the side face of the cabinet door corresponding to the first protruding plate, a circle of second protruding plate is arranged on the edge of the cabinet door, a second sealing ring is arranged on the edge of the second protruding plate, a liquid sealing area is arranged between the first protruding plate and the second protruding plate, a temperature adjusting mechanism is arranged in the cabinet door corresponding to the liquid sealing area, an opening and closing trolley is arranged on the ground on the outer side of the cabinet door, a connecting mechanism movably connected with the opening and closing trolley is arranged on the outer side of the cabinet. The invention adopts a new sealing mode to seal the insulated switch cabinet, so that the sealing effect and the service life of the switch cabinet are greatly improved, and the effect is very obvious compared with the existing products on the market.)

1. The utility model provides a gas-insulated type cubical switchboard, includes cabinet body (1), sets up opening (2) and cabinet door (3) of setting at opening (2) in cabinet body (1) one side, its characterized in that: the utility model discloses a cabinet door, including opening (2), cabinet door (3), first protruding board (41) of opening (2) outside setting up the first protruding board of round, the area of cabinet door (3) is greater than the area of opening (2), the side of cabinet door (3) corresponds first protruding board (41) and sets up first sealing washer (40), the edge of cabinet door (3) sets up the protruding board of round second (34), the border of the protruding board of second (34) sets up second sealing washer (33), be liquid seal district (38) between first protruding board (41) and the protruding board of second (34), cabinet door (3) inside corresponds liquid seal district (38) and sets up the mechanism that adjusts the temperature, the outside of cabinet door (3) sets up on and off the dolly on ground, cabinet door (3) outside sets up and opens and off dolly swing joint's coupling mechanism, it corresponds to open and off the dolly the lower extreme of cabinet door (3) sets up liquid metal injection.

2. The gas-insulated switchgear cabinet according to claim 1, characterized in that: the temperature adjusting mechanism comprises a temperature adjusting cavity (36) which is arranged inside the cabinet door (3) corresponding to the liquid sealing area (38), an inlet (44) and an outlet (37) are arranged on the cabinet door (3) corresponding to the temperature adjusting cavity (36), the inlet (44) is movably connected with a temperature adjusting pipeline (42), and the temperature adjusting pipeline (42) is communicated with the heat supply mechanism and the cold supply mechanism.

3. The gas-insulated switchgear cabinet according to claim 2, characterized in that: the on-off trolley comprises a trolley body (32) and travelling wheels (31) arranged below the trolley body (32), wherein the trolley body (32) is provided with the heat supply mechanism and the cold supply mechanism.

4. A gas-insulated switchgear cabinet as claimed in claim 3, characterized in that: the heating mechanism comprises a heating box (15) arranged on the vehicle body (32), a heating resistance wire (20) is arranged in the heating box (15), the heating box (15) is communicated with a first air pump (22), the first air pump (22) is arranged on the vehicle body (32), a first dust cover (21) is arranged on the vehicle body (32) corresponding to the first air pump (22), a heating pipeline (16) is arranged on the heating box (15), a first valve (17) is arranged on the heating pipeline (16), and the heating pipeline (16) is communicated with a temperature adjusting pipeline (42).

5. Gas-insulated switchgear cabinet according to claim 4, characterized in that: the cooling mechanism includes refrigeration case (9), set up compression refrigeration module on automobile body (32), compression refrigeration module includes compressor body and evaporimeter (12) that communicate with the compressor body, evaporimeter (12) are located in refrigeration case (9), refrigeration case (9) and second air pump (14) intercommunication, second air pump (14) set up on automobile body (32), it sets up second dust cover (13) to correspond second air pump (14) on automobile body (32), set up refrigeration pipeline (10) on refrigeration case (9), set up second valve (11) on refrigeration pipeline (10), refrigeration pipeline (10) and pipeline (42) the intercommunication that adjusts the temperature.

6. The gas-insulated switchgear cabinet according to claim 5, characterized in that: the connecting mechanism comprises a sleeve (4) arranged on the outer side of the cabinet door (3), an upright post (8) is arranged on the vehicle body (32), a cross arm (7) is arranged at the upper end of the upright post (8) corresponding to the sleeve (4), the cross arm (7) is inserted into the sleeve (4), a fixing hole (6) is formed in the cross arm (7) and the sleeve (4) in a matched mode, and a fixing rod (5) is inserted into the fixing hole (6) in a movable mode.

7. The gas-insulated switchgear cabinet according to claim 6, characterized in that: the liquid metal injection mechanism comprises a support (25) arranged on the vehicle body (32), an injection tube (39) is arranged on the support (25), a piston plate (26) is arranged in the injection tube (39), an injection hole (29) is formed in the lower end of the injection tube (39), the injection hole (29) is communicated with an injection pipeline (30), a telescopic mechanism is arranged on the piston plate (26), an injection hole (43) communicated with a liquid sealing area (38) is formed in the bottom of the cabinet door (3), an overflow hole (35) communicated with the liquid sealing area (38) is formed in the top of the cabinet door (3), the injection hole (43) is movably connected with the injection pipeline (30), liquid metal is arranged in the injection tube (39), and a hot melting mechanism is arranged on the outer side of the injection tube (39).

8. The gas-insulated switchgear cabinet according to claim 7, characterized in that: the hot melting mechanism comprises a spiral pipeline (27) wound on the outer side of the injection cylinder (39), one end of the spiral pipeline (27) is communicated with a temperature rising pipeline (18) arranged on the heating box (15), and a third valve (19) is arranged on the temperature rising pipeline (18).

9. The gas-insulated switchgear cabinet according to claim 8, characterized in that: and a heat preservation shell (28) is arranged on the outer side of the spiral pipeline (27).

10. The gas-insulated switchgear cabinet according to claim 9, characterized in that: the telescopic mechanism comprises a mounting frame (23) arranged at the upper end of a support (25), a hydraulic push rod (24) is arranged on the mounting frame (23) downwards, and the lower end of the hydraulic push rod (24) is connected with a piston plate (26).

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a gas insulation type switch cabinet.

Background

A cabinet type gas-insulated metal-enclosed switchgear (CubicleGas-insulated switchgear) is called C-GIS for short, and is an expansion of high-voltage GIS products in the medium-voltage field. The high-tech product which integrates intelligent control, protection, monitoring, measurement and communication and is produced by comprehensively using the modern insulation technology, the breaking technology, the manufacturing technology, the sensing technology and the digital technology and taking SF6 gas with low pressure, N2 gas or mixed gas as the insulation medium of the switch equipment and vacuum or SF6 as the arc extinguishing medium to intensively seal medium-voltage elements such as a bus, a circuit breaker, a disconnecting switch and the like in a box body. The device has the advantages of small volume, light weight, good safety, high reliability, adaptability to severe environmental conditions and the like.

In recent years, gas insulated switchgear has been rapidly popularized and applied in China, and particularly, with the construction and transformation of urban power grids, rail transit, large industrial and mining enterprises and the like in China, new and higher requirements on miniaturization, intellectualization, maintenance-free, all-working conditions and the like are put forward on the switchgear, and the requirements of high-performance and high-quality gas-filled cabinets in China are more and more strong. However, the gas insulated switchgear faces the problem of cabinet body sealing, particularly, rubber and the like are mostly adopted for sealing between the cabinet door and the cabinet body at present, and the sealing performance is reduced along with the aging of materials after long-time use. Although air can be prevented from entering by the punching of the insulating gas, the amount of the insulating gas consumed increases greatly after the sealability is lowered, and frequent maintenance is required.

Disclosure of Invention

In view of this, the present invention provides a gas-insulated switchgear, which uses a new sealing method to seal the insulated switchgear, so that the sealing effect and the service life of the switchgear can be greatly improved.

In order to solve the technical problems, the invention provides a gas insulation type switch cabinet which comprises a cabinet body, an opening and a cabinet door, wherein the opening is formed in one side of the cabinet body, the cabinet door is arranged at the opening, a circle of first protruding plate is arranged on the outer side of the opening, the area of the cabinet door is larger than that of the opening, a first sealing ring is arranged on the side face of the cabinet door corresponding to the first protruding plate, a circle of second protruding plate is arranged on the edge of the cabinet door, a second sealing ring is arranged on the edge of the second protruding plate, a liquid sealing area is arranged between the first protruding plate and the second protruding plate, a temperature adjusting mechanism is arranged in the cabinet door corresponding to the liquid sealing area, an opening and closing trolley is arranged on the ground on the outer side of the cabinet door, a connecting mechanism movably connected with the opening and closing trolley is arranged on the outer side of.

Furthermore, the temperature adjusting mechanism comprises a temperature adjusting cavity which is arranged in the cabinet door and corresponds to the liquid sealing area, an inlet and an outlet are arranged on the cabinet door and correspond to the temperature adjusting cavity, the inlet is movably connected with the temperature adjusting pipeline, and the temperature adjusting pipeline is communicated with the heat supply mechanism and the cold supply mechanism.

Furthermore, the opening and closing trolley comprises a trolley body and walking wheels arranged below the trolley body, and the trolley body is provided with the heat supply mechanism and the cold supply mechanism.

Furthermore, the heat supply mechanism comprises a heating box arranged on the vehicle body, a heating resistance wire is arranged in the heating box, the heating box is communicated with a first air pump, the first air pump is arranged on the vehicle body, a first dust cover is arranged on the vehicle body corresponding to the first air pump, a heat supply pipeline is arranged on the heating box, a first valve is arranged on the heat supply pipeline, and the heat supply pipeline is communicated with a temperature adjusting pipeline.

Further, the cooling mechanism includes the refrigeration case, set up the compression refrigeration module on the automobile body, the compression refrigeration module include the compressor body and with the evaporimeter of compressor body intercommunication, the evaporimeter is located the refrigeration incasement, refrigeration case and second air pump intercommunication, the second air pump sets up on the automobile body, it sets up the second dust cover to correspond the second air pump on the automobile body, set up the refrigeration pipeline on the refrigeration case, set up the second valve on the refrigeration pipeline, refrigeration pipeline and the pipeline intercommunication that adjusts the temperature.

Furthermore, the connecting mechanism comprises a sleeve arranged on the outer side of the cabinet door, a stand column is arranged on the vehicle body, a cross arm is arranged at the upper end of the stand column corresponding to the sleeve and inserted into the sleeve, fixing holes are formed in the cross arm and the sleeve in a matched mode, and a fixing rod is movably inserted into the fixing holes.

Furthermore, the fixing holes are threaded holes, and the fixing rods are threaded rods.

Further, the liquid metal injection mechanism comprises a support arranged on the vehicle body, an injection tube is arranged on the support, a piston plate is arranged in the injection tube, an injection hole is formed in the lower end of the injection tube and is communicated with an injection pipeline, a telescopic mechanism is arranged on the piston plate, an injection hole communicated with the liquid sealing area is formed in the bottom of the cabinet door, an overflow hole communicated with the liquid sealing area is formed in the top of the cabinet door, the injection hole is movably connected with the injection pipeline, liquid metal is arranged in the injection tube, and a hot melting mechanism is arranged on the outer side of the injection tube.

Furthermore, hot melt mechanism is including the spiral pipeline of winding setting in the injection tube outside, the one end of spiral pipeline with the intensification pipeline intercommunication that sets up on the heating cabinet, set up the third valve on the intensification pipeline.

Further, a heat preservation shell is arranged on the outer side of the spiral pipeline.

Furthermore, telescopic machanism includes the mounting bracket that the support upper end set up, set up hydraulic push rod on the mounting bracket downwards, hydraulic push rod's lower extreme with the piston plate is connected.

The technical scheme of the invention has the following beneficial effects:

this insulating type cubical switchboard has given up traditional sealed scheme, has selected to seal through the lower liquid metal of melting point, can make liquid metal solidify after filling gap department through the change of temperature like this for the gap does not exist, and no matter how long equipment operation can not have the ageing sealed fixed problem that leads to of material. The cabinet door is not connected with the cabinet body, install through opening and close the dolly, cabinet door hoist and mount are opening and close on the dolly, through compressing tightly the cabinet door at the opening part when the installation, first suddenly board and the cooperation of second suddenly board, establish out liquid seal zone, temperature regulating mechanism carries out the temperature regulation and control to liquid seal zone for liquid metal receives control at this region state, coupling mechanism makes to open and close the dolly and can drive the cabinet door motion, makes the cabinet door can closely laminate on the cabinet body, and liquid seal zone is sealed effectual. The liquid metal injection mechanism is used for injecting liquid metal after the liquid sealing area is constructed, the opening and closing trolley can be removed after the belt is cooled, and the sealing effect can be maintained to the best as long as the indoor temperature is controlled to be below the melting temperature of the liquid metal.

The invention adopts a new sealing mode to seal the insulated switch cabinet, so that the sealing effect and the service life of the switch cabinet are greatly improved, and the effect is very obvious compared with the existing products on the market.

Drawings

FIG. 1 is a schematic structural diagram of a gas insulated switchgear of the present invention;

fig. 2 is a sectional view of the cabinet door of the present invention.

1. A cabinet body; 2. an opening; 3. a cabinet door; 4. a sleeve; 5. fixing the rod; 6. a fixing hole; 7. a cross arm; 8. a column; 9. a refrigeration case; 10. a refrigeration pipeline; 11. a second valve; 12. an evaporator; 13. a second dust cover; 14. a second air pump; 15. a heating box; 16. a heat supply pipeline; 17. a first valve; 18. heating a pipeline; 19. a third valve; 20. heating resistance wires; 21. a first dust cover; 22. a first air pump; 23. a mounting frame; 24. a hydraulic push rod; 25. a support; 26. a piston plate; 27. a helical conduit; 28. a heat-insulating shell; 29. an injection hole; 30. an injection conduit; 31. a traveling wheel; 32. a vehicle body; 33. a second seal ring; 34. a second protruding plate; 35. an overflow aperture; 36. a temperature-regulating cavity; 37. an outlet; 38. a liquid seal zone; 39. an injection tube; 40. a first seal ring; 41. a first protruding plate; 42. a temperature-regulating pipeline; 43. an injection hole; 44. and (4) an inlet.

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. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.