Gas-insulated metal-enclosed switch cabinet

Abstract

The utility model relates to the technical field of power switch equipment, in particular to a gas insulated metal closed switch cabinet which comprises an outer cabinet, first partition plates are riveted on two sides of an inner cavity of the outer cabinet, a second partition plate is connected to the top of each first partition plate through bolts, and closed cabinets are connected to two sides of the top of each first partition plate through bolts. The bottom of the rear side of the outer cabinet is connected with a servo motor through a bolt, and the output end of the servo motor penetrates into an inner cavity of the outer cabinet and is connected with a lead screw through a bolt. Through cooperation of the servo motor, the lead screw, the sleeve and the placing plate, the gas supply bottle replacing device has the advantage of displacement function, when a gas supply bottle needs to be replaced, the servo motor is controlled to operate through the control panel, the output end of the servo motor drives the lead screw to rotate, and the placing plate moves forwards at the moment; and then the placing plate drives the air supply bottle and the recycling air bag to move to the front side of the outer cabinet, so that a user can conveniently detach and replace the air supply bottle and the recycling air bag.

Description

TECHNICAL FIELD

[0001] The utility model relates to power switch equipment technical field, concretely is a kind of gas insulated metal-enclosed switchgear. BACKGROUND

[0002] Gas insulated metal-enclosed switchgear is the high voltage electrical components such as circuit breaker, disconnecting switch, grounding switch, mutual inductor, arrester, bus, according to certain electrical main wiring requirements, install in the metal shell filled with certain pressure insulation gas and constitute a set of substation equipment.

[0003] Through the search, patent No. CN218415521U, a kind of gas insulated metal-enclosed switchgear for easy maintenance utility model, including outer cabinet, by research and analysis found, although in use process can realize double sealing, the advantages such as more reliable air leakage performance, better insulation performance, but, to a certain extent, there are following shortcomings.

[0004] For example: without displacement function, cannot be placed plate is pulled to the outside of cabinet, lead to when installing and replacing operation is carried out to gas supply bottle, gas supply bottle needs to be pushed to the inside of cabinet, this process is time-consuming and laborious, still extremely easy to cause equipment surface abrasion due to gas supply bottle and the friction of internal structure of cabinet, reduce equipment service life, and do not have gas recovery function, when opening closed cabinet, cannot effectively recover and process internal residual gas, in turn cause resource waste, in order to solve above technical problem, for this we design a kind of gas insulated metal-enclosed switchgear. UTILITY MODEL CONTENTS

[0005] The utility model is to provide a kind of gas insulated metal-enclosed switchgear, with the advantages of displacement function and gas recovery function, solve the existing gas insulated metal-enclosed switchgear in use process, when installing and disassembling to gas supply bottle, cannot be placed plate is removed to the outside of cabinet, lead to limited operation space, influence replacement effect, and cannot recover and store its internal gas when opening closed cabinet.

[0006] In order to achieve the above object, the utility model provides following technical scheme: A kind of gas insulated metal-enclosed switchgear, first baffle is riveted in the both sides of the inner chamber of outer cabinet, the top of the first baffle is connected with second baffle by bolt, the both sides of the top of the first baffle are connected with closed cabinet by bolt, the bottom of the rear side of the outer cabinet is connected with servo motor by bolt, the output end of the servo motor is threaded to the inner chamber of outer cabinet and is connected with lead screw by bolt, the surface of the lead screw is threaded sleeve set with sleeve, the top of the sleeve is riveted with placing plate, the top of the placing plate is placed with gas supply bottle, the both sides of the bottom of the first baffle are fixedly connected with first electric valve, the bottom of the first electric valve is communicated with elbow, the center of the bottom of the elbow is communicated with second electric valve, the both sides of the bottom of the elbow are communicated with third electric valve, the both sides of the inner chamber of the outer cabinet are connected with vacuum pump by bolt, the both sides of the top of the placing plate are riveted with recovery mechanism.

[0007] Preferably, the recovery mechanism includes a fixed plate, the surface of the fixed plate is sleeved with a bandage, the opposite sides of the bandage are fixedly connected with a recovery air bag, the top of the recovery air bag is communicated with an inflation nozzle, the top of the inflation nozzle is communicated with a first telescopic pipe, the top end of the first telescopic pipe is communicated with the gas outlet end of the vacuum pump, the bottom of the front side of the recovery air bag is communicated with an exhaust pipe, the surface of the exhaust pipe is threaded sleeve set with a pipe cap.

[0008] Preferably, the top end of the first electric valve is communicated with the closed cabinet, and the gas inlet end of the vacuum pump is communicated with the third electric valve.

[0009] Preferably, the bottom of the second electric valve is communicated with a second telescopic pipe, the top of the gas supply bottle is communicated with a manual valve, and the bottom end of the second telescopic pipe is communicated with the manual valve.

[0010] Preferably, the both sides of the front side of the bottom of the placing plate are riveted with rollers, the both sides of the front side of the bottom of the outer cabinet are provided with through holes, and the bottom end of the roller is penetrated through the through hole.

[0011] Preferably, the front side of the outer cabinet is movably connected with a cabinet door through a hinge, the both sides of the top of the outer cabinet are fixedly connected with a pressure gauge, and the bottom end of the pressure gauge is penetrated to the inside of the closed cabinet.

[0012] Preferably, the bottom of the both sides of the inner chamber of the outer cabinet is provided with a sliding groove, the inner chamber of the sliding groove is slidingly connected with a sliding block, and the side, away from the sliding groove, of the sliding block is riveted with the placing plate.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a sleeve, the cooperation of the placing plate has the advantage that displacement function, needs to the gas supply bottle is replaced, through the control panel control servo motor operation, the output end of servo motor drives the screw rotation, placing board moves to the forward side at this moment, then placing board drives gas supply bottle and recovery air bag and moves to the front side of outer cabinet, and further convenient for the user to dismount and replace.

[0015] 2. The utility model discloses the cooperation of third electric valve, vacuum pump and recovery mechanism has the advantage that gas recovery function, before opening the closed cabinet, control panel controls first electric valve and third electric valve to open, and control panel controls vacuum pump work, and vacuum pump will be stored in the gas in the closed cabinet inside through first telescopic pipe and transport to the inside recovery air bag. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the utility model structure outer cabinet structure perspective drawing;

[0017] Figure 2 It is the utility model structure perspective drawing;

[0018] Figure 3 It is the utility model recovery air bag structure perspective drawing;

[0019] Figure 4 It is the utility model local structure perspective bottom view;

[0020] Figure 5 It is the utility model placing board structure perspective bottom view.

[0021] In the drawing: 1, outer cabinet;2, first baffle;3, second baffle;4, closed cabinet;5, servo motor;6, screw;7, sleeve;8, placing board;9, gas supply bottle;10, first electric valve;11, elbow;12, second electric valve;13, third electric valve;14, vacuum pump;15, recovery mechanism;16, fixed plate;17, bandage;18, recovery air bag;19, first telescopic pipe;20, second telescopic pipe;21, manual valve;22, gyro wheel;23, cabinet door;24, air pressure gauge;25, sliding slot;26, sliding block. DETAILED DESCRIPTION

[0022] Please refer to Figures 1-5The utility model provides a kind of gas insulation metal enclosed switch cabinet, including outer cabinet 1, the two sides of the inner cavity of outer cabinet 1 rivet have first partition 2, the top of first partition 2 is connected with second partition 3 by bolt, the two sides of the top of first partition 2 are connected with closed cabinet 4 by bolt, the bottom of the rear side of outer cabinet 1 is connected with servo motor 5 by bolt, the output end of servo motor 5 is penetrated to the inner cavity of outer cabinet 1 and is connected with screw rod 6 by bolt, the surface of screw rod 6 is threaded sleeve set with sleeve 7, the top of sleeve 7 is riveted with placing plate 8, the top of placing plate 8 is placed with gas supply bottle 9, the two sides of the bottom of first partition 2 are penetrated and are fixedly connected with first electric valve 10, the bottom of first electric valve 10 is communicated with elbow pipe 11, the bottom of elbow pipe 11 is communicated with second electric valve 12 in the center, the two sides of the bottom of elbow pipe 11 are communicated with third electric valve 13, the two sides of the inner cavity of outer cabinet 1 are connected with vacuum pump 14 by bolt, the two sides of the top of placing plate 8 are riveted with recovery mechanism 15.

[0023] Please refer to Figure 1 And Figure 3 Recovery mechanism 15 includes fixed plate 16, the surface of fixed plate 16 is sleeve set with bandage 17, the opposite side of bandage 17 is fixedly connected with recovery air bag 18, by setting recovery air bag 18, recovery air bag 18 can collect gas under the action of vacuum pump 14, play the role of temporary storage gas, it is convenient to concentrate processing or reusing to gas, improve the utilization of gas, reduce waste, the top of recovery air bag 18 is communicated with inflator, the top of inflator is communicated with first telescopic pipe 19, the top of first telescopic pipe 19 is communicated with the gas outlet end of vacuum pump 14, the bottom of the front side of recovery air bag 18 is communicated with exhaust pipe, the surface of exhaust pipe is threaded sleeve set with pipe cap.

[0024] Please refer to Figure 1 And Figure 4 The top of first electric valve 10 is communicated with closed cabinet 4, the gas inlet end of vacuum pump 14 is communicated with third electric valve 13.

[0025] Please refer to Figure 1 And Figure 4 The bottom of second electric valve 12 is communicated with second telescopic pipe 20, the top of gas supply bottle 9 is communicated with hand valve 21, by setting hand valve 21, gas can be blocked when replacing gas supply bottle 9, avoid gas leakage, the bottom end of second telescopic pipe 20 is communicated with hand valve 21.

[0026] Please refer to Figure 1 And Figure 5 The two sides of the bottom of the front side of placing plate 8 are riveted with gyro wheel 22, by setting gyro wheel 22, the bottom of placing plate 8 can be assisted to support, make it more stable during moving back and forth, the two sides of the bottom of the front side of outer cabinet 1 are provided with through hole, the bottom end of gyro wheel 22 is penetrated through through hole.

[0027] Please refer to Figure 1 The front side of the outer cabinet 1 is movably connected with a cabinet door 23 through a hinge. The top of the outer cabinet 1 is fixedly connected with a gas pressure gauge 24 on both sides. The gas pressure gauge 24 can display the gas pressure in the closed cabinet 4 in real time. The staff can know the gas pressure in the closed cabinet 4 in time according to the reading of the gas pressure gauge 24, so as to ensure that the gas pressure is within the normal range. The bottom end of the gas pressure gauge 24 penetrates into the inside of the closed cabinet 4.

[0028] Please refer to Figure 1 and Figure 5 The bottom of the inner cavity of the outer cabinet 1 is provided with a sliding groove 25 on both sides. The inner cavity of the sliding groove 25 is slidably connected with a sliding block 26. The sliding groove 25 and the sliding block 26 can guide the placement plate 8. The side of the sliding block 26 away from the sliding groove 25 is riveted with the placement plate 8.

[0029] In use, when the gas needs to be introduced into the closed cabinet 4, the first electric valve 10 and the second electric valve 12 are controlled to be opened through the control panel. At this time, the high-pressure gas in the gas supply bottle 9 is transported into the inner cavity of the elbow pipe 11 through the second telescopic pipe 20 and the second electric valve 12. The elbow pipe 11 transports the gas into the inside of the closed cabinet 4 through the first electric valve 10. Then, the first electric valve 10 and the third electric valve 13 are controlled to be opened through the control panel. The vacuum pump 14 is controlled to work through the control panel. The vacuum pump 14 transports the gas in the closed cabinet 4 into the inside of the recovery airbag 18 through the first telescopic pipe 19 for storage, so as to complete the gas recovery operation. When the gas supply bottle 9 needs to be replaced, the servo motor 5 is controlled to work through the control panel. The output end of the servo motor 5 drives the screw rod 6 to rotate. The screw rod 6 drives the sleeve 7 to move forward through the threaded connection. At this time, the sleeve 7 drives the placement plate 8 to move forward. Then, the placement plate 8 drives the gas supply bottle 9 and the recovery airbag 18 to move to the front side of the outer cabinet 1, so as to facilitate the user to disassemble and replace the recovery airbag 18 and the gas supply bottle 9.

[0030] To sum up, the gas insulated metal-enclosed switchgear solves the problems that the existing gas insulated metal-enclosed switchgear cannot move the placement plate out of the cabinet body when installing and disassembling the gas supply bottle, which leads to limited operation space and affects the replacement effect, and cannot recover and store the gas in the closed cabinet when opening the closed cabinet through the cooperation of the servo motor 5, the screw rod 6, the sleeve 7, the placement plate 8, the third electric valve 13, the vacuum pump 14 and the recovery mechanism 15.

Claims

1. A gas insulated metal enclosed switchgear comprising an outer cabinet (1), characterized in that: The inner cavity of the outer cabinet (1) is riveted with a first partition plate (2) on both sides, the top of the first partition plate (2) is connected with a second partition plate (3) through bolts, both sides of the top of the first partition plate (2) are connected with a closed cabinet (4) through bolts, the bottom of the rear side of the outer cabinet (1) is connected with a servo motor (5) through bolts, the output end of the servo motor (5) penetrates into the inner cavity of the outer cabinet (1) and is connected with a lead screw (6) through bolts, the surface of the lead screw (6) is threaded with a sleeve (7), the top of the sleeve (7) is riveted with a placing plate (8), the top of the placing plate (8) places a gas cylinder (9), both sides of the bottom of the first partition plate (2) are fixedly connected with a first electric valve (10), the bottom of the first electric valve (10) is communicated with a elbow pipe (11), the bottom of the elbow pipe (11) is communicated with a second electric valve (12) at the center, both sides of the bottom of the elbow pipe (11) are communicated with a third electric valve (13), both sides of the inner cavity of the outer cabinet (1) are connected with a vacuum pump (14) through bolts, both sides of the top of the placing plate (8) are riveted with a recovery mechanism (15).

2. The gas insulated metal enclosed switchgear according to claim 1, characterized in that: The recovery mechanism (15) comprises a fixed plate (16), the surface of the fixed plate (16) is sleeved with a bandage (17), the opposite sides of the bandage (17) are fixedly connected with a recovery air bag (18), the top of the recovery air bag (18) is communicated with an inflation nozzle, the top of the inflation nozzle is communicated with a first telescopic pipe (19), the top end of the first telescopic pipe (19) is communicated with the gas outlet end of the vacuum pump (14), the bottom of the front side of the recovery air bag (18) is communicated with an exhaust pipe, the surface of the exhaust pipe is threaded with a pipe cap.

3. The gas insulated metal enclosed switchgear according to claim 1, characterized in that: The top end of the first electric valve (10) is communicated with the closed cabinet (4), the gas inlet end of the vacuum pump (14) is communicated with the third electric valve (13).

4. The gas insulated metal enclosed switchgear according to claim 1, characterized in that: The bottom of the second electric valve (12) is communicated with a second telescopic pipe (20), the top of the gas cylinder (9) is communicated with a manual valve (21), the bottom end of the second telescopic pipe (20) is communicated with the manual valve (21).

5. The gas insulated metal enclosed switchgear according to claim 1, characterized in that: Both sides of the front side of the bottom of the placing plate (8) are riveted with a roller (22), both sides of the front side of the bottom of the outer cabinet (1) are provided with through holes, the bottom end of the roller (22) penetrates through the through holes.

6. The gas insulated metal enclosed switchgear according to claim 1, characterized in that: The front side of the outer cabinet (1) is movably connected with a cabinet door (23) through a hinge, both sides of the top of the outer cabinet (1) are fixedly connected with a pressure gauge (24), the bottom end of the pressure gauge (24) penetrates into the inside of the closed cabinet (4).

7. The gas insulated metal enclosed switchgear as claimed in claim 1, wherein: The bottom of both sides of the inner cavity of the outer cabinet (1) is provided with a sliding groove (25), the inner cavity of the sliding groove (25) is slidably connected with a sliding block (26), the side of the sliding block (26) away from the sliding groove (25) is riveted with the placing plate (8).

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