CN112072486B - Explosion-proof high-low voltage complete set regulator cubicle - Google Patents
Explosion-proof high-low voltage complete set regulator cubicle Download PDFInfo
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- CN112072486B CN112072486B CN202010796204.6A CN202010796204A CN112072486B CN 112072486 B CN112072486 B CN 112072486B CN 202010796204 A CN202010796204 A CN 202010796204A CN 112072486 B CN112072486 B CN 112072486B
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- 239000012528 membrane Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 abstract description 18
- 230000006378 damage Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an explosion-proof high-low voltage complete electrical cabinet, which comprises a cabinet body, a switch assembly and a pressure relief assembly, wherein the switch assembly is arranged on the cabinet body; the cabinet body comprises side plates which are vertically arranged and a top plate which is horizontally arranged; the cabinet body is internally used for arranging electrical equipment; the switch assembly comprises a switch cylinder, an elastic membrane, a contact switch, a contact and a connecting rod; the pressure relief assembly comprises a pressure relief cylinder, a rotating plate, a middle rod and a limiting mechanism; the limiting mechanism comprises a clamping cover, a clamping block, a sleeve, a first spring and a first electromagnet; the elevated air pressure and flame in the cabinet body are sprayed out to the outside through the pressure relief cylinder to relieve the pressure in time; high-pressure gas and flame are discharged above the cabinet body, so that impact on the horizontal surrounding environment of the cabinet body can be reduced, and explosion loss is reduced; the impact on other parts of the cabinet body caused by the explosion of the electric cabinet can be reduced, and the impact force generated by the explosion is reduced; thereby reducing the damage of explosion to surrounding people or objects and achieving the purpose of explosion prevention.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an explosion-proof high-low voltage complete electrical cabinet.
Background
The high-low voltage complete set electrical cabinet is equipment for connecting high-voltage or low-voltage cables, a common power plant, a power supply station and a substation use high-voltage electrical cabinets, then the high-voltage electrical cabinets are subjected to voltage reduction by a transformer and then reach low-voltage electrical cabinets, the low-voltage electrical cabinets reach distribution boxes for various power consumption, and electrical equipment such as switch breakers, isolating switches, lightning arresters, grounding knives, current transformers and the like are mainly integrated in the high-low voltage complete set electrical cabinets.
The inside of current high-low pressure complete set regulator cubicle is provided with a plurality of cavities, because the electrical equipment in the cabinet can generate heat in the use, and the high temperature probably leads to electrical equipment to produce naked light or even explosion, but current high-low pressure complete set regulator cubicle all does not have explosion-proof design, in case explode, can cause serious injury to people or thing around.
Disclosure of Invention
The invention mainly aims to provide an explosion-proof high-low voltage complete electrical cabinet, aiming at solving the problem that the existing high-low voltage complete electrical cabinet has no explosion-proof design.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an explosion-proof high-low voltage complete set electrical cabinet comprises a cabinet body, a switch assembly and a pressure relief assembly; the cabinet body comprises side plates which are vertically arranged and a top plate which is horizontally arranged; the cabinet body is internally used for arranging electrical equipment; the switch assembly comprises a switch cylinder, an elastic membrane, a contact switch, a contact and a connecting rod; the pressure relief assembly comprises a pressure relief cylinder, a rotating plate, a middle rod and a limiting mechanism; the limiting mechanism comprises a clamping cover, a clamping block, a sleeve, a first spring and a first electromagnet;
the top end of the switch cylinder is fixedly connected to the inner wall of the top plate; the bottom of the switch cylinder is covered with the elastic membrane; the connecting rod is positioned in the switch cylinder, and the top end of the connecting rod is connected to the inner wall of the top plate; the bottom end of the connecting rod is connected with the contact switch; one side of the elastic membrane facing the top plate is provided with a contact, and the contact is opposite to the contact switch;
the top plate is also provided with a pressure relief hole; the pressure relief cylinder is embedded in the pressure relief hole in a sealing manner; the pressure relief cylinder is in a circular tube shape; the rotating plate is a semicircular plate, and the middle rod is horizontally and fixedly arranged in the pressure relief cylinder in a penetrating manner; the middle rod passes through the circle center of the pressure relief cylinder; the rotating plate is semicircular; the number of the rotating plates is 2; the 2 rotating plates are hinged to the middle rod; 2 rotating plates are opposite to each other and symmetrical with the middle rod;
the number of the limiting mechanisms is 2, and the 2 limiting mechanisms are oppositely arranged on two sides of the outer wall of the pressure relief cylinder; the clamping cover is hollow inside; the clamping covers are fixedly connected to the outer wall of the pressure relief cylinder, and 2 clamping covers are symmetrical to the middle rod; the pressure relief cylinder is provided with 2 first through holes at 2 positions of the clamping covers respectively; the first through hole and the middle rod are positioned at the same height; the sleeve is fixedly connected inside the clamping cover; the sleeves of the 2 limiting mechanisms are opposite, and a connecting line between the sleeves of the 2 limiting mechanisms is perpendicular to the middle rod;
the clamping block comprises a U-shaped groove, a sliding rod and a base; the groove bottom of the U-shaped groove is connected to one end of the sliding rod; the other end of the sliding rod is connected to the base; the sliding rod is slidably arranged in the sleeve in a penetrating manner; the outer diameter of the base is larger than the inner diameter of the sleeve; the base is an iron base; the U-shaped groove can movably penetrate through the first through hole and extend into the pressure relief cylinder; the first spring is connected between the bottom of the U-shaped groove and the sleeve; the first spring is in a compressed state, and the U-shaped groove extends into the pressure relief cylinder through the first spring; the 2 rotating plates are respectively embedded into the 2U-shaped grooves;
the first electromagnet is arranged at the inner bottom of the clamping cover; the base is an iron base; the first electromagnet is opposite to the base and keeps a gap with the base; the contact switch is electrically connected with the first electromagnet to control the first electromagnet to work.
Preferably, the pressure relief assembly further comprises a support rod; the number of the supporting rods is 2; the 2 support rods are symmetrical through the sleeve; one end of the supporting rod is fixedly connected with the outer wall of the sleeve, and the other end of the supporting rod is connected with the inner wall of the clamping cover.
Preferably, the switch drum is connected to a middle portion of an inner wall of the top plate.
Preferably, the switch assembly further comprises a threaded ring; the elastic membrane is embedded in the thread ring; the inner wall of the bottom of the switch cylinder is provided with an internal thread matched with the thread ring; the thread ring is screwed on the inner wall of the bottom of the switch cylinder.
Preferably, the inner wall of the pressure relief cylinder is also provided with a stop block; the stop block is in contact with the lower surface of the rotating plate.
Preferably, the number of the stop blocks is 2; 2 the dog respectively with 2 the lower surface contact of commentaries on classics board.
Preferably, the top plate is provided with at least 2 pressure relief holes; the number of the pressure relief assemblies is consistent with that of the pressure relief holes; the pressure relief assemblies correspond to the pressure relief holes one by one; the pressure relief cylinder of each pressure relief assembly is hermetically embedded into the corresponding pressure relief hole.
Preferably, the number of the fire extinguishing assemblies is multiple.
Preferably, a waterproof film is further embedded in the inner wall of the pressure relief cylinder in a sealing manner; the waterproof membrane is positioned above the rotating plate.
Preferably, the cabinet body further comprises a bottom plate; the top plate is connected with the side plates through high-strength bolts, the side plates are connected with the bottom plate through high-strength bolts, and the side plates are different from the top plate.
Compared with the prior art, the invention at least has the following beneficial effects:
the explosion-proof high-low voltage complete electrical cabinet provided by the invention has an explosion-proof function, and particularly, when an explosion tendency occurs in the cabinet body, the air pressure in the cabinet body is rapidly increased, the increased air pressure extrudes the elastic membrane to enable the elastic membrane to move upwards, the contact head above the elastic membrane is contacted with the contact switch, the contact switch acts to control the first electromagnet to start, the first electromagnet generates magnetic force to attract the base, the sliding rod moves towards the direction close to the first electromagnet, the clamping block moves towards the direction far away from the rotating plate, so that the clamping block does not limit the rotation of the rotating plate any more, the increased air pressure and flame in the cabinet body are ejected upwards through the pressure relief cylinder to the outside to relieve pressure in time; high-pressure gas and flame are discharged above the cabinet body, so that impact on the horizontal surrounding environment of the cabinet body can be reduced, and explosion loss is reduced; the impact on other parts of the cabinet body caused by the explosion of the electric cabinet can be reduced, and the impact force generated by the explosion is reduced; thereby reducing the damage of explosion to surrounding people or objects and achieving the purpose of explosion prevention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an explosion-proof high-low voltage electrical cabinet set provided by the invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure shown at D in FIG. 3;
fig. 5 is a schematic top view of a pressure relief assembly of an embodiment of an explosion-proof high-low voltage electrical cabinet set (a waterproof membrane is not shown) according to the present invention;
fig. 6 is an enlarged schematic view of the structure at C in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | |
| 120 | |
130 | |
| 200 | |
300 | Pressure relief assembly |
| 400 | |
210 | |
| 220 | |
230 | |
| 240 | |
250 | |
| 260 | |
310 | |
| 311 | |
312 | First through |
| 320 | |
330 | |
| 331 | |
332 | |
| 340 | |
341 | |
| 342 | |
350 | |
| 351 | |
360 | |
| 370 | |
380 | |
| 410 | |
411 | |
| 412 | |
420 | |
| 430 | Second through |
440 | |
| 450 | |
460 | |
| 470 | |
480 | Second electromagnet |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least 2, e.g., 2, three, etc., unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or indirectly through 2 elements or may be in an interactive relationship with 2 elements, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an explosion-proof high-low voltage complete electrical cabinet.
As shown in fig. 1 to fig. 6, an embodiment of an explosion-proof high-low voltage electrical cabinet set (hereinafter, referred to as electrical cabinet) includes a cabinet 100, a switch assembly 200, and a pressure relief assembly 300; the cabinet 100 includes side panels 120 vertically disposed and a top panel 110 horizontally disposed; the number of the side plates 120 is multiple, and the plurality of side plates 120 are all connected below the top plate 110; the cabinet 100 is used for arranging electrical equipment (such as circuit breakers, fuses, isolating switches, grounding switches, current transformers, etc.); the switch assembly 200 includes a switch cylinder 210, an elastic membrane 240, a contact switch 230, a contact 250, and a connection rod 220; the pressure relief assembly 300 comprises a pressure relief cylinder 310, a rotating plate 331, a middle rod 330 and a limiting mechanism; the limiting mechanism comprises a clamping cover 320, a clamping block, a sleeve 350, a first spring 370 and a first electromagnet 360.
As shown in fig. 1 and 2, the top end of the switch cylinder 210 is fixedly connected to the inner wall of the top plate 110; the bottom of the switch cylinder 210 is covered with an elastic membrane 240; the connecting rod 220 is positioned in the switch cylinder 210, and the top end of the connecting rod 220 is connected to the inner wall of the top plate 110; the bottom end of the connecting rod 220 is connected with a contact switch 230; the side of the elastic membrane 240 facing the top plate 110 is provided with a contact 250, the contact 250 being opposite to the contact switch 230.
As shown in fig. 1, fig. 3, fig. 4 and fig. 5, the top plate 110 is further provided with a pressure relief hole (not numbered); the pressure relief cylinder 310 is embedded in the pressure relief hole in a sealing manner; the pressure relief cylinder 310 is in a circular tube shape; the rotating plate 331 is a semicircular plate, and the middle rod 330 is horizontally and fixedly arranged in the pressure relief cylinder 310 in a penetrating manner; the middle rod 330 passes through the center of the pressure relief cylinder 310; the rotating plate 331 is semicircular; the number of the rotating plates 331 is 2; the 2 rotating plates 331 are all hinged to the middle rod 330; the 2 rotating plates 331 are diametrically opposed to each other and are symmetrical about the central rod 330.
The pressure relief cylinder 310 includes a cylinder wall 311; the number of the limiting mechanisms is 2, and the 2 limiting mechanisms are oppositely arranged on two sides of the outer wall of the pressure relief cylinder 310 (namely two sides of the cylinder wall 311); the clamping cover 320 is hollow inside; the clamping covers 320 are fixedly connected to the outer wall (the outer surface of the cylinder wall 311) of the pressure relief cylinder 310, and the 2 clamping covers 320 are symmetrical about the middle rod 330; the pressure relief cylinder 310 is provided with 2 first through holes 312 at 2 positions of the clamping covers 320; the first through hole 312 is located at the same height as the center pole 330; the sleeve 350 is fixedly connected to the inside of the clamping cover 320; the 2 limiting mechanism sleeves 350 are opposite, the 2 limiting mechanism sleeves 350 are located on the same straight line, and the connecting line between the 2 limiting mechanism sleeves 350 is perpendicular to the middle rod 330.
The clamping block comprises a U-shaped groove 340, a sliding rod 341 and a base 342; the groove bottom of the U-shaped groove 340 is connected with one end of the sliding rod 341; the other end of the sliding rod 341 is connected to the base 342; the sliding rod 341 is slidably arranged in the sleeve 350; the outer diameter of the base 342 is greater than the inner diameter of the sleeve 350; the base 342 is an iron base 342; the U-shaped groove 340 can movably penetrate through the first through hole 312 and extend into the pressure relief cylinder 310; the first spring 370 is connected between the groove bottom of the U-shaped groove 340 and the sleeve 350; the first spring 370 is in a compressed state, and the U-shaped groove 340 is extended into the pressure relief cylinder 310 by the first spring 370; the 2 rotating plates 331 are respectively embedded in the 2U-shaped grooves 340.
The first electromagnet 360 is arranged at the inner bottom of the clamping cover 320; the first electromagnet 360 is opposite to the base 342 and keeps a gap with the base 342, and the base 342 is an iron base 342; the contact switch 230 is electrically connected to the first electromagnet 360 to control the operation of the first electromagnet 360.
The explosion-proof high-low voltage complete electrical cabinet provided by the invention has an explosion-proof function, specifically, when an explosion tendency occurs in the cabinet body 100, the air pressure in the cabinet body 100 rises rapidly, the rising air pressure extrudes the elastic membrane 240, so that the elastic membrane 240 moves upwards, the contact 250 above the elastic membrane 240 is contacted with the contact switch 230, the contact switch 230 acts to control the first electromagnet 360 to start, the first electromagnet 360 generates magnetic force to attract the base 342, the sliding rod 341 moves towards the direction close to the first electromagnet 360, and the clamping block moves towards the direction far away from the rotating plate 331, so that the clamping block no longer limits the rotation of the rotating plate 331, and the rising air pressure and flame in the cabinet body 100 are sprayed out to the outside through the pressure relief cylinder 310 to relieve pressure in time; high-pressure gas and flame are discharged above the cabinet body 100, so that impact on the horizontal surrounding environment of the cabinet body 100 can be reduced, and explosion loss is reduced; impact on other parts of the cabinet body 100 caused by explosion of the electrical cabinet can be reduced, and impact force generated by explosion is reduced; thereby reducing the damage of explosion to surrounding people or objects and achieving the purpose of explosion prevention.
In addition, the electrical cabinet further comprises a fire extinguishing assembly 400; fire suppression assembly 400 includes a compression bladder 420, a mounting block 410, a striker 450, a detent plate 460, a second spring 470, and a second electromagnet 480.
The mounting seat 410 includes a first side wall 411 and a second side wall 412 which are oppositely arranged; the first side wall 411 is attached to the inner wall of the side plate 120; a cavity 440 is formed in the mounting seat 410, and a second through hole 430 is further formed in the mounting seat 410; the second through hole 430 penetrates the cavity 440 and the second sidewall 412; the striker 450 is movably embedded in the second through hole 430; one end of the striker 450 is positioned in the cavity 440 and fixedly connected with a retaining plate 460; the other end of the striker 450 is located in the second through hole 430 and has a sharp blade shape; the size of the catching plate 460 is larger than the inner diameter of the second through hole 430.
A second spring 470 is connected between the inner wall of the cavity 440 far away from the second side wall 412 and the blocking plate 460; the clamping plate 460 is an iron clamping plate; the second electromagnet 480 is arranged in the cavity 440; the second electromagnet 480 is normally in a starting state and the clamping plate 460 and the electromagnet are mutually attracted (i.e. the second electromagnet 480 is normally in a power-on state); the second spring 470 is in a compressed state; the contact switch 230 is electrically connected to the second electromagnet 480 to control the operation of the second electromagnet 480.
Dry powder is arranged inside the compression air bag 420; the internal air pressure of the compression balloon 420 is greater than the atmospheric pressure; the compression bladder 420 is attached to the second sidewall 412.
Through the technical scheme, the electrical cabinet has fire extinguishing capability, specifically, when the cabinet body 100 explodes, the air pressure in the cabinet body 100 rapidly rises, the rising air pressure extrudes the elastic membrane 240, the elastic membrane 240 moves upwards, the contact 250 above the elastic membrane 240 contacts with the contact switch 230, the contact switch 230 acts to control the second electromagnet 480 to be powered off, the clamping plate 460 moves towards the direction close to the compression airbag 420 under the action of the second spring 470, the striker 450 is further driven to move towards the direction close to the compression airbag 420, the striker 450 punctures the compression airbag 420, the compression airbag 420 explodes, dry powder in the interior is sprayed out, and flames in the cabinet body 100 are extinguished.
Meanwhile, as shown in fig. 1 and fig. 6, the pressure relief assembly 300 further includes a support rod 351; the number of the support rods 351 is 2; the 2 support rods 351 are symmetrical with the sleeve 350; one end of the support rod 351 is fixedly connected to the outer wall of the sleeve 350, and the other end of the support rod 351 is connected to the inner wall of the clamping cover 320. The support rods 351 are arranged to fixedly connect the sleeve 350 inside the position-retaining cover 320.
In addition, the switch drum 210 is connected to the middle of the inner wall of the top plate 110. The structure is more reasonable, so that the switch assembly 200 can sense the change of the air pressure in the body quickly.
Meanwhile, as shown in fig. 2, the switch assembly 200 further includes a screw ring 260; the elastic membrane 240 is embedded in the thread ring 260; the inner wall of the bottom of the switch cylinder 210 is provided with an internal thread (not shown) which is matched with the thread ring 260; the screw ring 260 is screwed to the inner wall of the bottom of the switch cylinder 210. Through the technical scheme, the elastic membrane 240 can be detached from the switch cylinder 210, and replacement is facilitated.
Meanwhile, the inner wall of the pressure relief cylinder 310 is also provided with a stop 332; the stopper 332 contacts the lower surface of the rotating plate 331. Thus, the rotation plate 331 can be prevented from rotating downward, and the normal operation of the pressure relief assembly 300 is ensured.
In addition, the number of the stoppers 332 is 2; the 2 stoppers 332 are respectively in contact with the lower surfaces of the 2 rotating plates 331. I.e., 2 rotating plates 331 each contact 1 stop 332.
In addition, the top plate 110 is provided with at least 2 pressure relief holes (2 in this embodiment); the number of the pressure relief assemblies 300 is the same as the number of the pressure relief holes; the pressure relief assemblies 300 correspond to the pressure relief holes one to one; the pressure relief cylinder 310 of each pressure relief assembly 300 is sealingly inserted into the corresponding pressure relief hole. Through setting up 2 pressure release holes, can increase the pressure release ability when exploding cabinet body 100.
Meanwhile, the number of fire extinguishing assemblies 400 is plural (4 in this embodiment); the number of the side plates 120 is plural (4 side plates 120 in the present embodiment); through setting up a plurality of fire extinguishing assemblies 400, increase the fire extinguishing ability of this regulator cubicle.
In addition, a waterproof membrane 380 is hermetically embedded in the inner wall of the pressure relief cylinder 310; the waterproof film 380 is positioned above the rotating plate 331. By arranging the waterproof film 380, external rainwater and impurities are prevented from invading into the cabinet body 100 through the pressure relief cylinder 310 when the electrical cabinet normally works.
Meanwhile, as shown in fig. 1, the cabinet 100 further includes a bottom plate 130; high-strength bolts (not shown) are used to connect the top plate 110 and the side plates 120, the side plates 120 and the bottom plate 130, and the different side plates 120. Connect through the high strength bolt, can increase the bulk strength of this regulator cubicle for the impact resistance ability of this regulator cubicle promotes greatly, thereby promotes the explosion-proof ability of this regulator cubicle.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An explosion-proof high-low voltage complete set electrical cabinet is characterized by comprising a cabinet body, a switch assembly and a pressure relief assembly; the cabinet body comprises side plates which are vertically arranged and a top plate which is horizontally arranged; the cabinet body is internally used for arranging electrical equipment; the switch assembly comprises a switch cylinder, an elastic membrane, a contact switch, a contact and a connecting rod; the pressure relief assembly comprises a pressure relief cylinder, a rotating plate, a middle rod and a limiting mechanism; the limiting mechanism comprises a clamping cover, a clamping block, a sleeve, a first spring and a first electromagnet;
the top end of the switch cylinder is fixedly connected to the inner wall of the top plate; the bottom of the switch cylinder is covered with the elastic membrane; the connecting rod is positioned in the switch cylinder, and the top end of the connecting rod is connected to the inner wall of the top plate; the bottom end of the connecting rod is connected with the contact switch; one side of the elastic membrane facing the top plate is provided with a contact, and the contact is opposite to the contact switch;
the top plate is also provided with a pressure relief hole; the pressure relief cylinder is embedded in the pressure relief hole in a sealing manner; the pressure relief cylinder is in a circular tube shape; the rotating plate is a semicircular plate, and the middle rod is horizontally and fixedly arranged in the pressure relief cylinder in a penetrating manner; the middle rod passes through the circle center of the pressure relief cylinder; the rotating plate is semicircular; the number of the rotating plates is 2; the 2 rotating plates are hinged to the middle rod; 2 rotating plates are opposite to each other and symmetrical with the middle rod;
the number of the limiting mechanisms is 2, and the 2 limiting mechanisms are oppositely arranged on two sides of the outer wall of the pressure relief cylinder; the clamping cover is hollow inside; the clamping covers are fixedly connected to the outer wall of the pressure relief cylinder, and 2 clamping covers are symmetrical to the middle rod; the pressure relief cylinder is provided with 2 first through holes at 2 positions of the clamping covers respectively; the first through hole and the middle rod are positioned at the same height; the sleeve is fixedly connected inside the clamping cover; the sleeves of the 2 limiting mechanisms are opposite, and a connecting line between the sleeves of the 2 limiting mechanisms is perpendicular to the middle rod;
the clamping block comprises a U-shaped groove, a sliding rod and a base; the groove bottom of the U-shaped groove is connected to one end of the sliding rod; the other end of the sliding rod is connected to the base; the sliding rod is slidably arranged in the sleeve in a penetrating manner; the outer diameter of the base is larger than the inner diameter of the sleeve; the base is an iron base; the U-shaped groove can movably penetrate through the first through hole and extend into the pressure relief cylinder; the first spring is connected between the bottom of the U-shaped groove and the sleeve; the first spring is in a compressed state, and the U-shaped groove extends into the pressure relief cylinder through the first spring; the 2 rotating plates are respectively embedded into the 2U-shaped grooves;
the first electromagnet is arranged at the inner bottom of the clamping cover; the first electromagnet is opposite to the base and keeps a gap with the base; the contact switch is electrically connected with the first electromagnet to control the first electromagnet to work.
2. The explosion-proof high-low pressure electrical cabinet set according to claim 1, wherein the pressure relief assembly further comprises a support rod; the number of the supporting rods is 2; the 2 support rods are symmetrical through the sleeve; one end of the supporting rod is fixedly connected with the outer wall of the sleeve, and the other end of the supporting rod is connected with the inner wall of the clamping cover.
3. The explosion-proof high-low pressure electrical cabinet set as claimed in claim 1, wherein the switch cylinder is connected to the middle part of the inner wall of the top plate.
4. The explosion-proof high-low pressure electrical cabinet set according to claim 1, wherein the switch assembly further comprises a threaded ring; the elastic membrane is embedded in the thread ring; the inner wall of the bottom of the switch cylinder is provided with an internal thread matched with the thread ring; the thread ring is screwed on the inner wall of the bottom of the switch cylinder.
5. The explosion-proof high-low pressure complete set electrical cabinet according to claim 1, wherein a stop block is further arranged on the inner wall of the pressure relief cylinder; the stop block is in contact with the lower surface of the rotating plate.
6. The explosion-proof high-low pressure complete electrical cabinet according to claim 5, wherein the number of the stop blocks is 2; 2 the dog respectively with 2 the lower surface contact of commentaries on classics board.
7. The explosion-proof high-low pressure complete electrical cabinet according to claim 1, wherein the top plate is provided with at least 2 pressure relief holes; the number of the pressure relief assemblies is consistent with that of the pressure relief holes; the pressure relief assemblies correspond to the pressure relief holes one by one; the pressure relief cylinder of each pressure relief assembly is hermetically embedded into the corresponding pressure relief hole.
8. The explosion-proof high-low pressure complete set electrical cabinet according to claim 1, wherein a waterproof membrane is further hermetically embedded in the inner wall of the pressure relief cylinder; the waterproof membrane is positioned above the rotating plate.
9. The explosion-proof high-low pressure electrical cabinet set according to claim 1, wherein the cabinet body further comprises a bottom plate; the top plate is connected with the side plates through high-strength bolts, the side plates are connected with the bottom plate through high-strength bolts, and the side plates are different from the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796204.6A CN112072486B (en) | 2020-08-10 | 2020-08-10 | Explosion-proof high-low voltage complete set regulator cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796204.6A CN112072486B (en) | 2020-08-10 | 2020-08-10 | Explosion-proof high-low voltage complete set regulator cubicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112072486A CN112072486A (en) | 2020-12-11 |
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| CN114203022B (en) * | 2021-12-01 | 2023-10-03 | 广州本狮电子有限公司 | Portable battery type advertising machine |
| CN114334325A (en) * | 2021-12-24 | 2022-04-12 | 宁波市镇海国创高压电器有限公司 | Lightning arrester with pressure relief device |
| CN114400555B (en) * | 2022-01-07 | 2023-12-29 | 香港迪康投资有限公司 | Explosion-proof high-low voltage complete electrical cabinet |
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| JPH08168117A (en) * | 1994-12-09 | 1996-06-25 | Meidensha Corp | Power distribution panel |
| JPH1198623A (en) * | 1997-09-16 | 1999-04-09 | Meidensha Corp | Switchboard |
| US6407331B1 (en) * | 2001-03-21 | 2002-06-18 | Eaton Corporation | Pressure relief panel for arc resistant cabinets |
| CN204992397U (en) * | 2015-10-04 | 2016-01-20 | 湖南省城建电气设备有限公司 | Armored moved type AC metal enclosed switchgear |
| CN205543939U (en) * | 2016-01-28 | 2016-08-31 | 马鞍山万普电气有限公司 | Decompression anti -explosion device for switch cabinet |
| CN208355987U (en) * | 2017-07-04 | 2019-01-11 | 陕西中泽消防科技有限公司 | A kind of electronic pressure relief device |
| CN111463687A (en) * | 2020-05-21 | 2020-07-28 | 国网福建省电力有限公司南安市供电公司 | Pressure relief device of switch cabinet and switch cabinet |
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Denomination of invention: An explosion-proof high and low voltage complete electrical cabinet Effective date of registration: 20231106 Granted publication date: 20210921 Pledgee: China Co. truction Bank Corp Yiyang branch Pledgor: Huaxiang XiangNeng Technology Co.,Ltd. Registration number: Y2023980063452 |