CN215733125U

CN215733125U - Air pressure adjustable full-sealed insulation looped network metal switch equipment

Info

Publication number: CN215733125U
Application number: CN202122403216.0U
Authority: CN
Inventors: 杨勇; 陈思铭; 吴江
Original assignee: Zhejiang Yichen Electric Co ltd
Current assignee: Zhejiang Yichen Electric Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-01
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a full-sealed insulation looped network metal switch device capable of adjusting air pressure, which adopts the technical scheme that the device comprises a cabinet body and a pressure adjusting device, and is characterized in that: the cabinet body is provided with an inflation inlet, an air release port and a pressure regulating cavity, the top of the cabinet body is provided with a solar power supply module, and the pressure regulating cavity is communicated with the cabinet body; the pressure regulating cavity is provided with an inner baffle and an outer baffle; the pressure regulating device comprises a sealing plate, a servo motor, a screw and a pressure detection module, wherein the servo motor is arranged on the outer baffle and is provided with the screw; a protective box is arranged above the pressure regulating cavity, a positioning block is arranged below the pressure regulating cavity, a sealing door is arranged in the protective box, and a through hole matched with the sealing door is formed in the bottom of the protective box; the air storage tank is arranged above the protection box and is communicated with the cabinet body through a pipeline, and the pipeline is provided with an electric control valve.

Description

Air pressure adjustable full-sealed insulation looped network metal switch equipment

Technical Field

The utility model relates to the technical field of high-voltage switch equipment, in particular to a full-sealed insulated looped network metal switch equipment with adjustable air pressure.

Background

Totally enclosed insulation looped netowrk metal switch equipment all has the pressure release board generally in the bus-bar chamber, however current pressure release board structural strength is less, take place deformation or damage easily when bus-bar chamber pressure is too big pressure release slower, life is lower, cause the damage of the internal other equipment of cubical switchboard easily, the poor problem of leakproofness between pressure release board and the cabinet body appears easily after the pressure release board assembly in addition, especially pressure release board and the cabinet body pass through bolt fixed connection's structure, take place to leak very easily through the mounting hole.

At present, chinese patent that publication number is CN212343166U discloses a gaseous high pressure closed looped netowrk switchgear, and it includes the cabinet body and pressure release board, the pressure release mouth has been seted up on the cabinet body, pressure release board and pressure release mouth looks adaptation, the pressure release mouth is the notch cuttype groove, pressure release board is T shape structure, symmetrical fastening installation has two positioning bolt A and two positioning bolt B on the pressure release board, the symmetry is concave on the diapire of pressure release mouth to be equipped with two with positioning bolt A of positioning bolt A adaptation and two with positioning bolt B's positioning screw B of adaptation, the symmetry runs through on the pressure release board and has seted up two sets of pressure regulating holes, the symmetry is concave on the diapire of pressure release mouth to be equipped with two constant head tanks, integrated into one piece has two location cutting slips that are used for pegging graft the constant head tank on the pressure release board. The pressure regulating valve is reasonable in design structure, can realize rapid pressure regulation of switch equipment, and can remind workers to treat leakage.

However, the air pressure is required to be adjusted manually, the air pressure may rise rapidly in severe high-temperature weather, manual adjustment is difficult to adjust rapidly for a large number of devices, accidents are easy to cause, after leakage occurs, the devices only send out an alarm to remind workers of maintenance before, the devices cannot prevent the gas from continuously leaking, and a series of accidents caused by the gas leakage are likely to be caused in the maintenance time before the workers, so that greater loss is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the air pressure adjustable full-sealed insulated looped network metal switch equipment which has the functions of automatic air pressure adjustment, leakage protection, alarm and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an air pressure adjustable totally enclosed insulation looped netowrk metal switch equipment, includes the cabinet body and regulator, its characterized in that: the cabinet body is provided with an inflation inlet, an air release port and a pressure regulating cavity, the top of the cabinet body is provided with a solar power supply module, and the pressure regulating cavity is communicated with the cabinet body; an inner baffle and an outer baffle are fixedly arranged at two ends of the pressure regulating cavity; the pressure regulating device comprises a sealing plate, a servo motor, a screw rod and an air pressure detection module, wherein the servo motor is fixedly arranged on an outer baffle, the screw rod is fixedly connected with a motor shaft of the servo motor and is hinged with an inner baffle, a threaded hole matched and connected with the screw rod is formed in the sealing plate, a leakage detection module is also arranged on the sealing plate, the sealing plate moves in a pressure regulating cavity, and the air pressure detection module is fixedly arranged in the cabinet body; a protection box is arranged above the pressure regulating cavity, a positioning block is fixedly arranged below the pressure regulating cavity, and an inclined plane is arranged on the positioning block; the protection box comprises an ejection mechanism, a sealing door and a core controller, wherein a limiting groove is formed in the sealing door, and a through hole matched with the sealing door is formed in the bottom of the protection box; the protection box top is provided with the gas holder, the gas holder sets up pipeline and cabinet body intercommunication, the pipeline is provided with automatically controlled valve.

The utility model is further configured to: the ejection mechanism comprises an upper spring pin, a lower spring pin, an energy storage spring and a lower electromagnet, the protection box is provided with an upper positioning hole and a lower positioning hole, the upper spring pin is arranged in the upper positioning hole, the lower spring pin is arranged in the lower positioning hole and moves in the upper positioning hole and the lower positioning hole, the upper electromagnet is arranged at the bottom of the upper positioning hole, the lower electromagnet is arranged at the bottom of the lower positioning hole, and the upper spring pin and the lower spring pin are matched with the limiting groove; the energy storage spring is fixedly arranged on the inner wall of the protective box; and a sealing layer is arranged on the sealing door.

The utility model is further configured to: the pressure regulating cavity is arranged in a square shape, a sealing ring is arranged on the surface of the sealing plate, which is contacted with the pressure regulating cavity, and the screw rod and the thread of the threaded hole are arranged into a sealing pipe thread.

The utility model is further configured to: the leakage detection module adopts ultrasonic wave leakage detection technique, the leakage detection module is connected the setting with the core control ware electricity, the guard box still is provided with the warning light, opens switch and reset switch, the setting is connected with the core control ware electricity to the warning light, opens switch and reset switch.

The utility model is further configured to: the solar energy power supply module is electrically connected with the core controller, the core controller is further provided with a communication module, and the air pressure detection module, the servo motor, the communication module and the electric control valve are electrically connected with the core controller.

In conclusion, the utility model has the following beneficial effects:

compared with the prior art, the automatic pressure regulating device is arranged, the air pressure in the cabinet body is detected in real time through the air pressure detecting module, the position of the sealing plate in the pressure regulating cavity is controlled by the core controller, the volume of the communicated pressure regulating cavity and the cabinet body is regulated, the air pressure in the cabinet body is further controlled to be stable, and the problem that the manual air pressure regulation is needed and the regulation is not timely in the prior art is solved.

Meanwhile, compared with the prior art, the gas storage tank is arranged to stabilize the gas pressure in the cabinet, and the problem that the gas storage tank can only give an alarm and cannot prevent the gas from continuously leaking in the prior art is solved.

The utility model has reasonable design and simple structure, and has the functions of automatic air pressure regulation, leakage protection, alarm and the like.

Drawings

Fig. 1 is a schematic view of the internal structure of the cabinet body in the embodiment;

FIG. 2 is a schematic view of the internal structure of the protection box according to the embodiment;

FIG. 3 is a schematic front view of a pressure regulating chamber of the cabinet body according to the present embodiment;

fig. 4 is a schematic diagram of the triggering of the sealing door of the protection box in the embodiment.

Reference numerals: 1. a cabinet body; 2. a pressure regulating device; 3. an inflation inlet; 4. an air escape opening; 5. a pressure regulating cavity; 6. an inner baffle; 7. an outer baffle; 8. a sealing plate; 9. a servo motor; 10. a screw; 11. an air pressure detection module; 12. A threaded hole; 13. a leak detection module; 14. a protection box; 15. positioning blocks; 16. an ejection mechanism; 17. a sealing door; 18. a core controller; 19. a limiting groove; 20. a through hole; 21. a gas storage tank; 22. a pipeline; 23. An electrically controlled valve; 24. an upper spring pin; 25. an energy storage spring; 26. electrifying an electromagnet; 27. an upper positioning hole; 28. A lower positioning hole; 29. a sealing layer; 30. a seal ring; 31. an alarm light; 32. opening a switch; 33. a reset switch; 34. a communication module; 35. a lower electromagnet; 36. a lower spring pin; 37. a solar power supply module; 38. And (4) binding posts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses an air pressure adjustable full-sealed insulation looped network metal switch device, as shown in fig. 1-4, including cabinet body 1 and pressure regulating device 2, its characterized in that: the solar energy cabinet is characterized in that the cabinet body 1 is provided with an inflation inlet 3, an air release inlet 4 and a pressure regulating cavity 5, the top of the cabinet body 1 is provided with a solar energy power supply module 37, and the pressure regulating cavity 5 is communicated with the cabinet body 1; an inner baffle 6 and an outer baffle 7 are fixedly arranged at the two ends of the pressure regulating cavity 5; the pressure regulating device 2 comprises a sealing plate 8, a servo motor 9, a screw rod 10 and an air pressure detection module 11, wherein the servo motor 9 is fixedly arranged on an outer baffle 7, the screw rod 10 is fixedly connected with a motor shaft of the servo motor 9 and is hinged with an inner baffle 6, a threaded hole 12 matched and connected with the screw rod 10 is formed in the sealing plate 8, a leakage detection module 13 is further arranged on the sealing plate 8, the sealing plate 8 moves in the pressure regulating cavity 5, and the air pressure detection module 11 is fixedly arranged in the cabinet body 1; a protection box 14 is arranged above the pressure regulating cavity 5, a positioning block 15 is fixedly arranged below the pressure regulating cavity 5, and an inclined plane is arranged on the positioning block 15; the protection box 14 comprises an ejection mechanism 16, a sealing door 17 and a core controller 18, wherein a limiting groove 19 is formed in the sealing door 17, and a through hole 20 matched with the sealing door 17 is formed in the bottom of the protection box 14; a gas storage tank 21 is arranged above the protection box 14, the gas storage tank 21 is provided with a pipeline 22 communicated with the cabinet body 1, and the pipeline 22 is provided with an electric control valve 23.

Further, the ejecting mechanism 16 comprises an upper spring pin 24, a lower spring pin 36, an energy storage spring 25), an upper electromagnet 26 and a lower electromagnet 35, the protective box 14 is provided with an upper positioning hole 27 and a lower positioning hole 28, the upper spring pin 24 is arranged at the upper positioning hole 27, the lower spring pin 36 is arranged at the lower positioning hole 28 and moves in the upper positioning hole 27 and the lower positioning hole 28, the upper electromagnet 26 is arranged at the bottom of the upper positioning hole 27, the lower electromagnet is arranged at the bottom of the lower positioning hole 28, and the upper spring pin 24 and the lower spring pin 36 are matched with the limiting groove 19; the energy storage spring 25 is fixedly arranged on the inner wall of the protective box 14; the sealing door 17 is provided with a sealing layer 29.

Further, the pressure regulating cavity 5 is square, a sealing ring 30 is arranged on the surface of the sealing plate 8, which is in contact with the pressure regulating cavity 5, and the threads of the screw rod 10 and the threaded hole 12 are arranged to be sealing pipe threads.

Further, the leakage detection module 13 adopts an ultrasonic leakage detection technology, when gas leaks, fine sound wave vibration occurs at the leaking position, and whether the gas leakage phenomenon occurs can be judged through ultrasonic detection; the leakage detection module 13 is electrically connected with the core controller 18, the protection box 14 is further provided with an alarm lamp 31, an opening switch 32 and a reset switch 33, and the alarm lamp 31, the opening switch 32 and the reset switch 33 are electrically connected with the core controller 18.

Further, the solar power supply module 37 is electrically connected with the core controller 18, the core controller 18 is further provided with a communication module 34, and the air pressure detection module 11, the servo motor 9, the communication module 34 and the electric control valve 23 are electrically connected with the core controller 18.

The working principle is as follows: during normal work, external environment temperature changes and arouses the internal gas expend with heat and contract with cold and then produce atmospheric pressure and change in the cabinet, when atmospheric pressure detection module 11 detected atmospheric pressure and changes, just send atmospheric pressure change signal for core control ware 18, core control ware 18 control servo motor 9 is rotatory, it is rotatory to drive screw rod 10, screw rod 10 drives screw-thread fit's closing plate 8 and removes with it, change the intercommunication volume in pressure regulating chamber 5 and the cabinet body 1, and then the atmospheric pressure in the control cabinet body 1 remains stable, guarantee that terminal 38 department is insulating, can not produce electric arc, an alarm lamp 31 for the alarm is not bright, show as normal condition.

When gas leakage occurs between the pressure regulating cavity 5 and the sealing plate 8, the leakage detection module 13 on the sealing plate 8 detects gas leakage, sends a gas leakage signal to the core controller 18, the core controller 18 controls the alarm lamp 31 to give a flashing alarm, and simultaneously sends gas leakage information to workers through the communication module 34, the core controller 18 also controls the upper electromagnet 26 in the upper positioning hole 27 to be powered on, the lower electromagnet 35 in the lower positioning hole 28 is powered off, the upper electromagnet 26 in the upper positioning hole 27 attracts the upper elastic pin 24 to be separated from the limiting groove 19, the sealing door 17 rapidly extends out of the through hole 20 of the protective box 14 under the combined action of gravity and the energy storage spring 25 and is matched with the positioning block 15, the lower elastic pin 36 of the lower positioning hole 28 is popped out, the limiting groove 19 of the sealing door 17 is clamped, the inclined design of the positioning block 15 and the lower elastic pin 36 in the lower positioning hole 28 jointly provide a transverse force to the sealing door 17, so that the pressure regulating cavity is tightly attached to the cabinet body 1 to seal the pressure regulating cavity 5 and prevent the gas from continuously leaking. The core controller 18 also controls the electric control valve 23 to open, so that the air storage tank 21 charges air into the cabinet body 1, and the air pressure is ensured to be stable under the control of the air pressure detection module 11. When the worker comes for maintenance, the opening switch 32 is pressed, the two electromagnets are powered on to attract the elastic pin, the sealing door 17 is in a movable state, the worker pushes the sealing door 17 back into the protection box 14 and presses the reset switch 33, the upper electromagnet 26 in the upper positioning hole 27 is powered off, the upper elastic pin 24 pops up to clamp the sealing door 17, the sealing door enters a standby state again, and the worker can maintain the place where gas leaks. After the maintenance is finished, the air pressure in the cabinet is adjusted through the air charging port 3 and the air discharging port 4, and the normal work of the equipment is guaranteed.

Compared with the prior art, the automatic pressure regulating device is arranged, the air pressure in the cabinet body is detected in real time through the air pressure detecting module 11, the position of the sealing plate 8 in the pressure regulating cavity 5 is controlled by the core controller 18, the volume of the communicating volume of the pressure regulating cavity 5 and the cabinet body 1 is regulated, the air pressure in the cabinet body 1 is further controlled to be stable, and the problem that the manual air pressure regulation is needed and the regulation is not timely in the prior art is solved.

Meanwhile, compared with the prior art, the protection box 14 is arranged, when the service life is long and the sealing plate 8 and the pressure regulating cavity 5 generate gas leakage, a leakage signal can be sent to the core controller 18 through the leakage detection module 13, and after the signal is received, the core controller 18 controls the alarm lamp 31 and the communication module 34 to send out signals; communication module 34 sends gas leakage information to the staff, warning light 31 sends the scintillation warning, and control pop-up mechanism 16 and pop out sealing door 17, seal pressure regulating chamber 5, prevent that gas from further leaking, and open automatically controlled valve 23, let gas holder 21 inflate the cabinet body 1, guarantee that cabinet internal gas pressure is stable, solved prior art and can only send out the warning when gas leakage, can not stop the problem that gas continues to leak, it stabilizes to cabinet internal gas pressure still to have set up gas holder 21 simultaneously, the stability of equipment has been increased.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an adjustable atmospheric pressure's totally enclosed insulation looped netowrk metal switch equipment, includes cabinet body (1) and regulator (2), its characterized in that: the solar energy cabinet is characterized in that the cabinet body (1) is provided with an inflation inlet (3), an air release inlet (4) and a pressure regulating cavity (5), the top of the cabinet body (1) is provided with a solar energy power supply module (37), and the pressure regulating cavity (5) is communicated with the cabinet body (1); an inner baffle (6) and an outer baffle (7) are fixedly arranged at the two ends of the pressure regulating cavity (5); the pressure regulating device (2) comprises a sealing plate (8), a servo motor (9), a screw rod (10) and an air pressure detection module (11), the servo motor (9) is fixedly arranged on an outer blocking piece (7), the screw rod (10) is fixedly connected with a motor shaft of the servo motor (9) and is hinged with an inner blocking piece (6), a threaded hole (12) matched and connected with the screw rod (10) is formed in the sealing plate (8), a leakage detection module (13) is further arranged on the sealing plate (8), the sealing plate (8) moves in the pressure regulating cavity (5), and the air pressure detection module (11) is fixedly arranged in the cabinet body (1); a protection box (14) is arranged above the pressure regulating cavity (5), a positioning block (15) is fixedly arranged below the pressure regulating cavity (5), and an inclined plane is arranged on the positioning block (15); the protection box (14) comprises an ejection mechanism (16), a sealing door (17) and a core controller (18), a limiting groove (19) is formed in the sealing door (17), and a through hole (20) matched with the sealing door (17) is formed in the bottom of the protection box (14); the protection box (14) top is provided with gas holder (21), gas holder (21) set up pipeline (22) and cabinet body (1) intercommunication, pipeline (22) are provided with automatically controlled valve (23).

2. The air pressure adjustable full-sealed insulation looped network metal switch device of claim 1, characterized in that: the ejection mechanism (16) comprises an upper spring pin (24), a lower spring pin (36), an energy storage spring (25), an upper electromagnet (26) and a lower electromagnet (35), the protection box (14) is provided with an upper positioning hole (27) and a lower positioning hole (28), the upper spring pin (24) is arranged in the upper positioning hole (27), the lower spring pin (36) is arranged in the lower positioning hole (28) and moves in the upper positioning hole (27) and the lower positioning hole (28), the upper electromagnet (26) is arranged at the bottom of the upper positioning hole (27), the lower electromagnet is arranged at the bottom of the lower positioning hole (28), and the upper spring pin (24) and the lower spring pin (36) are matched with the limiting groove (19); the energy storage spring (25) is fixedly arranged on the inner wall of the protective box (14); and a sealing layer (29) is arranged on the sealing door (17).

3. The air pressure adjustable full-sealed insulation looped network metal switch device of claim 1, characterized in that: the pressure regulating cavity (5) is arranged in a square shape, a sealing ring (30) is arranged on the surface, in contact with the pressure regulating cavity (5), of the sealing plate (8), and the screw threads of the screw rod (10) and the threaded hole (12) are arranged to be sealing pipe threads.

4. The air pressure adjustable full-sealed insulation looped network metal switch device of claim 1, characterized in that: the leakage detection module (13) adopts the ultrasonic leakage detection technology, the leakage detection module (13) is electrically connected with the core controller (18) and is arranged, the protection box (14) is further provided with an alarm lamp (31), a starting switch (32) and a reset switch (33), and the alarm lamp (31), the starting switch (32) and the reset switch (33) are electrically connected with the core controller (18) and are arranged.

5. The air pressure adjustable full-sealed insulation looped network metal switch device of claim 1, characterized in that: the solar energy power supply module (37) is electrically connected with the core controller (18), the core controller (18) is provided with a communication module (34), and the air pressure detection module (11), the servo motor (9), the communication module (34) and the electric control valve (23) are electrically connected with the core controller (18).