CN218242742U

CN218242742U - Active cooling explosion-proof positive pressure cabinet with quick pressure release

Info

Publication number: CN218242742U
Application number: CN202222373586.9U
Authority: CN
Inventors: 李英奇; 何伟璞; 王志杰
Original assignee: Nanyang Zhongrong Explosion Proof Electric Co ltd
Current assignee: Nanyang Zhongrong Explosion Proof Electric Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-06
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a malleation cabinet technical field specifically is an explosion-proof malleation cabinet of active cooling with quick pressure release, the intelligent cabinet temperature adjusting device comprises a cabinet body, the left side fixedly connected with inert gas chamber of the cabinet body, the right side fixedly connected with blast pipe of the cabinet body, the right side fixedly connected with transmission case of blast pipe, transmission case top fixedly connected with machine case, the voltage room has been seted up on the inside top of the cabinet body, adjustment mechanism includes the motor, motor fixed connection is in the inside of machine case, cooling body includes the heat dissipation room, the top in the voltage room is seted up to the heat dissipation room. The utility model discloses the realization avoids partial pressure relief device to be difficult to the atmospheric pressure intensity of the internal portion of adjusting cabinet to the regulation of the internal portion of cabinet, thereby avoids being difficult to the internal portion atmospheric pressure of the quick reduction cabinet to accomplish and overhauls the operation, makes work efficiency obtain improving.

Description

Active cooling explosion-proof positive pressure cabinet with quick pressure release

Technical Field

The utility model relates to a malleation cabinet technical field specifically is an explosion-proof malleation cabinet of active cooling with quick pressure release.

Background

The malleation cabinet is called the malleation switch board again, the malleation cabinet is mainly through the environment at the inside relatively higher atmospheric pressure of making of relative inclosed switch board, make the switch board produce a positive pressure differential inside and outside, thereby avoid the inflammable and explosive material among the external environment to get into the switch board, the malleation switch board can be applicable to some places that do not produce inflammable and explosive material often, the malleation cabinet is owing to need be through constantly filling into inert gas in order to keep the pressure differential, consequently need add pressure relief mechanism and avoid the internal portion pressure of cabinet great or be convenient for quick pressure release and overhaul the internal portion of forward pressure cabinet, the switch board can produce the heat in the operation in-process simultaneously, high-pressure environment can promote the threshold value of the internal portion temperature of cabinet equally, therefore need set cooling device and reduce the internal portion's temperature of cabinet.

The existing device is mainly used for maintaining the internal specific pressure of cabinet through the installation relief valve, prior art is similar to a malleation switch board that has explosion-proof pressure release function more, the mechanism that patent number is CN216016085U includes the cabinet body, the internal baffle that a plurality of liftable and offset with the internal wall of cabinet that is equipped with of cabinet, the internal wall both sides of the cabinet body set up perpendicularly and rotate a plurality of screw rods of being connected with the internal upper and lower both sides wall of cabinet, two screw rods all run through a plurality of baffles, the downside of a plurality of baffles all is equipped with the nut of establishing at a plurality of screw rods downside through the screw thread cover, all be equipped with the relative through-hole in position on a plurality of baffles, the lower extreme of the cabinet body is equipped with and is used for cabinet body shock attenuation and detachable damping device, the lateral wall of the cabinet body is equipped with the controller, one side intercommunication of cabinet body lower extreme is equipped with the blast pipe, the other end of blast pipe is connected with the lateral wall of the cabinet body, the outside intercommunication of blast pipe is equipped with the detector cylinder, but the device still exists the place that can optimize.

1. The existing device mainly adopts constant-pressure exhaust equipment to keep the air pressure inside the cabinet stable, but part of the pressure relief devices are difficult to adjust the air pressure strength inside the cabinet, so that the air pressure inside the cabinet is difficult to rapidly reduce, and the overhaul operation is finished.

2. Meanwhile, part of the internal part of the cabinet is in a high-pressure heat dissipation state, and the part of the internal part of the cabinet is difficult to quickly dissipate heat and cool, so that the high-temperature environment in the power distribution cabinet shortens the service life of parts, and the working efficiency and the practicability of the device are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof malleation cabinet of initiative cooling with quick pressure release, mainly adopt level pressure exhaust apparatus to keep the atmospheric pressure of the internal portion of cabinet stable with the current device that proposes in solving above-mentioned background art, but partial pressure release is difficult to adjust the atmospheric pressure intensity of the internal portion of cabinet, thereby lead to being difficult to the internal portion atmospheric pressure of the quick reduction cabinet in order to accomplish the maintenance operation, the internal portion of partial cabinet is in high-pressure heat dissipation state simultaneously, the internal portion of partial cabinet is difficult to the cooling of dispelling the heat fast, thereby lead to the problem that the high temperature environment of the internal portion of switch board shortens the life of part.

In order to achieve the above object, the utility model provides a following technical scheme: an actively-cooled explosion-proof positive pressure cabinet with rapid pressure relief, comprising:

the gas-insulated switchgear comprises a cabinet body, wherein the left side of the cabinet body is fixedly connected with an inert gas chamber, the right side of the cabinet body is fixedly connected with an exhaust pipe, the right side of the exhaust pipe is fixedly connected with a transmission case, the top of the transmission case is fixedly connected with a chassis, and the top end of the interior of the cabinet body is provided with a voltage chamber;

the adjusting mechanism comprises a motor, the motor is fixedly connected inside the cabinet, a transmission shaft is fixedly connected to the bottom end of the motor, the bottom end of the transmission shaft penetrates through the transmission box and is fixedly connected with a first bevel gear, the left side of the bottom end of the first bevel gear is connected with a second bevel gear in a meshed mode, the inner wall of the second bevel gear is movably connected with a screw, the top end of the cabinet is fixedly connected with a power switch, the left end of the screw penetrates through the exhaust pipe and is fixedly connected with a sliding plate, the left side of the sliding plate is fixedly connected with a spring, the left side of the spring is fixedly connected with a piston, the piston is movably connected to the inner wall of the exhaust pipe, the left wall inside the cabinet body is fixedly connected with an air pump, the left side of the air pump is fixedly connected with an air inlet pipe, and the left end of the air inlet pipe penetrates through the cabinet body and is fixedly connected to the right side of the idle air chamber;

the cooling mechanism comprises a heat dissipation chamber, and the heat dissipation chamber is arranged above the voltage chamber.

Preferably, the exhaust pipe is a single-opening cylinder, and the middle part of the outer wall of the exhaust pipe is positioned on the right side of the cabinet body and is provided with an exhaust port.

Preferably, the inner wall of the second bevel gear is provided with a threaded hole corresponding to the screw, and the right side of the inner wall of the exhaust pipe is provided with a limiting slide corresponding to the sliding plate.

Preferably, the left side of the sliding plate is fixedly connected with a limiting cylinder, a limiting rod is inserted into the left side of the limiting cylinder, and the left end of the limiting rod is fixedly connected to the right side of the piston.

Preferably, the bottom end inside the heat dissipation chamber is fixedly connected with a refrigerator, two sides of the bottom end of the refrigerator are fixedly connected with heat absorption pipes, the bottoms of the heat absorption pipes penetrate through a voltage chamber, and the heat absorption pipes are located in the voltage chamber and are arranged in an S-shaped mode to uniformly reciprocate.

Preferably, the top of the heat dissipation chamber is provided with an air vent, the top of the air vent is fixedly connected with a fan, and the top of the right side of the voltage chamber is fixedly connected with a temperature control switch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this explosion-proof malleation cabinet of initiative cooling with quick pressure release is provided with adjustment mechanism, drive the clockwise rotation of transmission shaft through opening switch starter motor, the transmission shaft drives bevel gear synchronous rotation, the screw rod receives the restriction of screw hole, make the screw rod drive the sliding plate and slide right in the inside of spacing slide, the sliding plate drives limit spring and piston synchronous slip and moves to the right side of gas vent, through the aforesaid design, realize the regulation to the internal portion pressure of cabinet, avoid partial pressure relief device to be difficult to the atmospheric pressure intensity of the internal portion of regulation cabinet, thereby avoid being difficult to the internal portion atmospheric pressure of quick reduction cabinet in order to accomplish the maintenance operation, make work efficiency obtain improving, the regulation nature and the practicality of device have been improved.

2. This explosion-proof malleation cabinet of initiative cooling with quick pressure release is provided with cooling body, the temperature of the internal portion of excess temperature control switch perception cabinet, when the internal portion temperature of cabinet reaches the threshold value, temperature control switch starts refrigerator and fan, the inside of refrigerator through the inside temperature transfer of heat-absorbing pipe with the voltage-chamber, the fan is with the inside temperature discharge cabinet body of heat-dissipating chamber, through the above-mentioned design, realize the heat dissipation cooling to the internal portion temperature of cabinet, avoid partial internal portion of cabinet to be difficult to quick heat dissipation cooling, thereby avoid the high temperature environment of switch board inside to shorten the life of part, make work efficiency obtain improving, the functionality and the practicality of device have been improved.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic front sectional view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic front sectional view of the cabinet and the cooling mechanism according to the present invention.

In the figure: 11. a cabinet body; 12. an inert gas chamber; 13. an exhaust pipe; 15. a transmission case; 16. a chassis; 18. a voltage chamber; 2. an adjustment mechanism; 21. a motor; 22. a drive shaft; 23. a first bevel gear; 25. a second bevel gear; 26. a screw; 28. a power switch; 31. a sliding plate; 32. a spring; 33. a piston; 36. an air pump; 38. an air inlet pipe; 51. an exhaust port; 55. a threaded hole; 56. a limiting slide way; 57. a limiting cylinder; 58. a limiting rod; 6. a cooling mechanism; 61. a heat dissipation chamber; 62. a refrigerator; 63. a heat absorbing tube; 65. a vent; 66. a fan; 68. a temperature control switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

an actively-cooled explosion-proof positive pressure cabinet with rapid pressure relief, comprising:

the air exhausting device comprises a cabinet body 11, wherein an inert air chamber 12 is fixedly connected to the left side of the cabinet body 11, an exhaust pipe 13 is fixedly connected to the right side of the cabinet body 11, the exhaust pipe 13 is a single-opening cylinder, an exhaust port 51 is formed in the middle of the outer wall of the exhaust pipe 13 and is positioned on the right side of the cabinet body 11, through the design, the exhaust of the exhaust pipe 13 is realized, a transmission case 15 is fixedly connected to the right side of the exhaust pipe 13, a case 16 is fixedly connected to the top of the transmission case 15, and a voltage chamber 18 is formed in the top end of the interior of the cabinet body 11;

the adjusting mechanism 2 comprises a motor 21, the motor 21 is fixedly connected inside the cabinet 16, a transmission shaft 22 is fixedly connected to the bottom end of the motor 21, the bottom end of the transmission shaft 22 penetrates through the transmission box 15 and is fixedly connected with a first bevel gear 23, the left side of the bottom end of the first bevel gear 23 is meshed with a second bevel gear 25, a screw 26 is movably connected to the inner wall of the second bevel gear 25, a threaded hole 55 corresponding to the screw 26 is formed in the inner wall of the second bevel gear 25, a limiting slide way 56 corresponding to the sliding plate 31 is formed in the right side of the inner wall of the exhaust pipe 13, limiting sliding of the screw 26 is realized through the design, a power switch 28 is fixedly connected to the top end of the cabinet 16, the left end of the screw 26 penetrates through the exhaust pipe 13 and is fixedly connected with the sliding plate 31, a spring 32 is fixedly connected to the left side of the sliding plate 31, a limiting cylinder 57 is fixedly connected to the left side of the sliding plate 31, a limiting rod 58 is inserted into the left side of the limiting cylinder 57, the left end of the limiting rod 58 is fixedly connected to the right side of the piston 33, through the design, the limiting sliding of the piston 33 is movably connected to the inner wall of the exhaust pipe 13, an air pump 36 is fixedly connected to the left side of the cabinet body, and an air inlet pipe 38 is connected to the left side of the air pump 36, and connected to the air inlet pipe 38 of the cabinet body 11;

cooling body 6, cooling body 6 includes heat dissipation chamber 61, heat dissipation chamber 61 is seted up in the top of voltage room 18, the inside bottom fixedly connected with refrigerator 62 of heat dissipation chamber 61, the bottom both sides fixedly connected with heat-absorbing pipe 63 of refrigerator 62, voltage room 18 is passed to heat-absorbing pipe 63 bottom, the appearance that heat-absorbing pipe 63 is located voltage room 18 is the even range that comes and goes of S type, through this design, reduced the inside temperature of voltage room 18 has been realized, blow vent 65 has been seted up at the top of heat dissipation chamber 61, blow vent 65 'S top fixedly connected with fan 66, voltage room 18' S right side top fixedly connected with temperature detect switch 68, through this design, the heat dissipation to heat dissipation chamber 61 has been realized.

The working principle is as follows: when needing to carry out quick pressure release to cabinet 11 inside, at first start motor 21 through opening switch 28, motor 21 drives transmission shaft 22 clockwise, transmission shaft 22 drives first conical gear 23 synchronous revolution, first conical gear 23 meshing drives second conical gear 25 and rotates, screw rod 26 receives the restriction of screw hole 55, make screw rod 26 drive sliding plate 31 slide right in the inside of spacing slide 56, sliding plate 31 drives limit spring 32 and slides right, spring 32 drives piston 33 synchronous slip and moves to the right side of gas vent 51, realize the quick pressure release operation to cabinet 11 inside.

When the interior of the cabinet 11 needs to be cooled, the temperature inside the cabinet 11 is firstly sensed through the temperature control switch 68, when the temperature inside the cabinet 11 reaches a threshold value, the temperature control switch 68 starts the refrigerator 62 and the fan 66, the refrigerator 62 transfers the temperature inside the voltage chamber 18 to the interior of the heat dissipation chamber 61 through the heat absorption pipe 63, the fan 66 discharges the temperature inside the heat dissipation chamber 61 out of the cabinet 11, the cooling operation for the interior of the cabinet 11 is realized, and the operation is finished.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An explosion-proof malleation cabinet of initiative cooling with quick pressure release which characterized in that includes:

the device comprises a cabinet body (11), wherein a left side of the cabinet body (11) is fixedly connected with an idle air chamber (12), the right side of the cabinet body (11) is fixedly connected with an exhaust pipe (13), the right side of the exhaust pipe (13) is fixedly connected with a transmission case (15), the top of the transmission case (15) is fixedly connected with a case (16), and the top end of the interior of the cabinet body (11) is provided with a voltage chamber (18);

the adjusting mechanism (2) comprises a motor (21), the motor (21) is fixedly connected inside a cabinet (16), a transmission shaft (22) is fixedly connected to the bottom end of the motor (21), the bottom end of the transmission shaft (22) penetrates through a transmission box (15) and is fixedly connected with a first bevel gear (23), a second bevel gear (25) is meshed and connected to the left side of the bottom end of the first bevel gear (23), a screw rod (26) is movably connected to the inner wall of the second bevel gear (25), a power switch (28) is fixedly connected to the top end of the cabinet (16), the left end of the screw rod (26) penetrates through an exhaust pipe (13) and is fixedly connected with a sliding plate (31), a spring (32) is fixedly connected to the left side of the sliding plate (31), a piston (33) is fixedly connected to the left side of the spring (32), the piston (33) is movably connected to the inner wall of the exhaust pipe (13), an air pump (36) is fixedly connected to the left wall inside the cabinet (11), an air inlet pipe (38) is fixedly connected to the left side of the air pump (36), and the left end of the air pump (38) penetrates through the cabinet (11) and is fixedly connected to the right side of the idle air chamber (12);

a cooling mechanism (6), the cooling mechanism (6) comprising a heat dissipation chamber (61), the heat dissipation chamber (61) opening above the voltage chamber (18).

2. The active cooling explosion-proof positive pressure cabinet with rapid pressure relief according to claim 1, wherein: the exhaust pipe (13) is a single-opening cylinder, and the middle part of the outer wall of the exhaust pipe (13) is positioned on the right side of the cabinet body (11) and is provided with an exhaust port (51).

3. The active cooling explosion-proof positive pressure cabinet with rapid pressure relief as claimed in claim 1, wherein: the inner wall of the second bevel gear (25) is provided with a threaded hole (55) corresponding to the screw (26), and the right side of the inner wall of the exhaust pipe (13) is provided with a limiting slide way (56) corresponding to the sliding plate (31).

4. The active cooling explosion-proof positive pressure cabinet with rapid pressure relief according to claim 1, wherein: the left side of the sliding plate (31) is fixedly connected with a limiting cylinder (57), a limiting rod (58) is inserted into the left side of the limiting cylinder (57), and the left end of the limiting rod (58) is fixedly connected to the right side of the piston (33).

5. The active cooling explosion-proof positive pressure cabinet with rapid pressure relief according to claim 1, wherein: the bottom end of the interior of the heat dissipation chamber (61) is fixedly connected with a refrigerator (62), two sides of the bottom end of the refrigerator (62) are fixedly connected with heat absorption pipes (63), the bottoms of the heat absorption pipes (63) penetrate through the voltage chamber (18), and the heat absorption pipes (63) are positioned in the voltage chamber (18) and are arranged in an S-shaped uniform reciprocating mode.

6. The active cooling explosion-proof positive pressure cabinet with rapid pressure relief according to claim 1, wherein: blow vent (65) have been seted up at the top of heat dissipation room (61), the top fixedly connected with fan (66) of blow vent (65), the right side top fixedly connected with temperature detect switch (68) of voltage room (18).