CN114899751A - Explosion-proof centrally installed switchgear - Google Patents
Explosion-proof centrally installed switchgear Download PDFInfo
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- CN114899751A CN114899751A CN202210712102.0A CN202210712102A CN114899751A CN 114899751 A CN114899751 A CN 114899751A CN 202210712102 A CN202210712102 A CN 202210712102A CN 114899751 A CN114899751 A CN 114899751A
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- Prior art keywords
- plate
- cover plate
- spring
- top plate
- side edge
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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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
- H02B1/32—Mounting of devices therein
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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
- H02B1/38—Hinged covers or doors
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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
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
- H02B1/505—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor retractable installations
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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
- H02B1/54—Anti-seismic devices or installations
Abstract
The invention discloses an explosion-proof middle-placed cabinet, which has good explosion-proof capability and can avoid the injury of splashed electric element fragments to surrounding workers; specifically, when the explosion appears in this cabinet of putting the cabinet in, the internal atmospheric pressure of cabinet increases suddenly, and when the internal atmospheric pressure of cabinet increases suddenly, adjusting part can drive the vertical rising of restriction board, in order to relieve the restriction board to the pivoted restriction that makes progress of first apron and second apron, the internal high-pressure gas of cabinet upwards flushes first apron and second apron, in time with the internal high-pressure gas of cabinet through the discharge of disappointing the mouth, and the internal and external atmospheric pressure of time balance cabinet, the electric elements piece of avoiding splashing causes the injury to staff on every side, thereby guarantee personal safety around the equipment.
Description
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to an explosion-proof centrally installed switchgear.
Background
The middle-placed switch cabinet is fully called as metal armored middle-placed withdrawable switch equipment and belongs to a high-voltage power distribution device; the indoor complete set of power distribution equipment is a three-phase AC 50Hz single-bus section system or double-bus section system, and is used for receiving and distributing power, and implementing control protection, monitoring and measurement on power circuit.
Put the cabinet in the tradition and do not possess explosion-proof function, when putting the electric elements of cabinet and exploding because of short circuit or other unexpected circumstances in the middle of, the internal gas pressure of cabinet can increase in the twinkling of an eye, and strong shock wave can lead to cabinet door and cabinet body to be fried open, and the electric elements fragment that splashes can lead to the fact the injury to staff on every side, influences equipment and personal safety.
Disclosure of Invention
The invention mainly aims to provide an explosion-proof centrally installed switchgear, and aims to solve the problem that the traditional centrally installed switchgear does not have an explosion-proof function.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an explosion-proof centrally installed switchgear comprises a switchgear body, a first cover plate, a second cover plate, a limiting plate and an adjusting assembly; the cabinet body comprises a top plate which is horizontally arranged; the top plate is provided with an air leakage port; the first cover plate and the second cover plate are hinged to the outer wall of the top plate; the first cover plate and the second cover plate are consistent in shape and size; the first cover plate is a rectangular plate; the first cover plate can rotate to be attached to the outer wall of the top plate, and the second cover plate can rotate to be attached to the outer wall of the top plate; when the first cover plate is attached to the outer wall of the top plate and the second cover plate is attached to the outer wall of the top plate, the first cover plate and the second cover plate jointly seal the air release opening; the limiting plate is vertically and movably connected to the top plate, and is horizontally arranged; the limiting plate is positioned above the top plate; the limiting plate can be elastically abutted against the first cover plate and the second cover plate so as to limit the first cover plate and the second cover plate to rotate upwards; the adjusting assembly is used for driving the limiting plate to vertically ascend when air pressure in the cabinet body rises, so that the limitation of the limiting plate on upward rotation of the first cover plate and the second cover plate is relieved.
Preferably, the first cover plate comprises a first side edge; the second cover plate comprises a second side edge; when the first cover plate is attached to the outer wall of the top plate and the second cover plate is attached to the outer wall of the top plate, the first side edge and the second side edge are attached to and contacted with each other; when the limiting plate is elastically abutted against the first cover plate and the second cover plate, the first side edge and the second side edge are both located under the limitation, and the contact line of the first side edge and the second side edge is parallel to the length direction of the limiting plate.
Preferably, the support device further comprises a first support block and a second support block which are connected to the outer wall of the top plate, and the first support block and the second support block are respectively located on two sides of the air leakage opening; the first cover plate comprises a third side edge which is parallel to and opposite to the first side edge; the second cover plate comprises a fourth side edge parallel to and opposite to the second side edge; the third side edge is connected with a first rotating shaft, and the first rotating shaft is parallel to the first side edge; the fourth side edge is connected with a second rotating shaft, and the second rotating shaft is parallel to the second side edge; the first rotating shaft is rotatably arranged in the first supporting block in a penetrating way and is horizontally arranged; the second rotating shaft is rotatably arranged in the second supporting block in a penetrating mode, and the second rotating shaft is horizontally arranged.
Preferably, the adjusting assembly comprises a first lifting rod, a second lifting rod, a first spring, a second spring, a first baffle, a second baffle and an adjusting component; the first lifting rod and the second lifting rod are vertically and slidably arranged on the top plate in a penetrating manner; two ends of the limiting plate are respectively connected to the top end of the first lifting rod and the top end of the second lifting rod; the bottom end of the first lifting rod and the bottom end of the second lifting rod are both positioned in the cabinet body; the first baffle is vertically connected to the bottom end of the first lifting rod; the second baffle is vertically connected to the bottom end of the second lifting rod;
the first spring is sleeved on the first lifting rod, one end of the first spring is connected to the inner wall of the top plate, and the other end of the first spring is connected to the first baffle; the second spring is sleeved on the second lifting rod, one end of the second spring is connected to the inner wall of the top plate, and the other end of the second spring is connected to the second baffle; the first spring and the second spring are both in a compressed state, so that the limiting plate is elastically abutted against the first cover plate and the second cover plate; the adjusting component is used for synchronously driving the first lifting rod and the second lifting rod to vertically lift when the air pressure in the cabinet body rises so as to drive the limiting plate to vertically lift, and therefore the limitation of the limiting plate on the upward rotation of the first cover plate and the second cover plate is removed.
Preferably, the adjusting part comprises a connecting arm, a connecting rod, a first bearing plate and a second bearing plate which are all arranged in the cabinet body; the connecting arm is connected between the first baffle and the second baffle; the middle part of the connecting rod is connected to the middle part of the connecting arm, and the connecting rod is positioned below the connecting arm; the first bearing plate and the second bearing plate are respectively connected to two ends of the connecting rod; when the air pressure in the cabinet body rises, the first bearing plate and the second bearing plate both move towards the direction close to the top plate so as to drive the connecting arm to rise.
Preferably, the adjusting member further comprises a third spring and a fourth spring; one end of the third spring is connected to one side, facing the top plate, of the first bearing plate, and the other end of the third spring is connected to the inner wall of the top plate; one end of the fourth spring is connected to one side, facing the top plate, of the second bearing plate, and the other end of the fourth spring is connected to the inner wall of the top plate; the third spring and the fourth spring keep the connecting rod horizontal.
Preferably, the adjustment member further comprises a first sleeve, a first spool, a second sleeve and a second spool; the first sleeve and the second sleeve are vertically embedded and connected to the inner wall of the top plate; the tube opening of the first sleeve and the tube opening of the second sleeve are both vertically downward; the first sliding column is connected to one end, facing the top plate, of the first bearing plate; the first sliding column is vertically and slidably matched and embedded in the first sleeve; the second sliding column is connected to one end, facing the top plate, of the second bearing plate; the second sliding column is vertically and slidably matched and embedded in the second sleeve.
Preferably, the first sliding column is parallel to the second sliding column, and the first sliding column is perpendicular to the first bearing plate.
Preferably, the first rotating shaft sleeve is provided with a first torsion spring, and the first torsion spring enables the first cover plate to have a tendency of rotating in a direction away from the top plate; the second pivot cover is equipped with the second torsional spring, the second torsional spring makes the second apron has to keeping away from the direction pivoted trend of roof.
Preferably, the air leakage opening is rectangular.
Compared with the prior art, the invention at least has the following beneficial effects:
the explosion-proof middle-placed cabinet provided by the invention has good explosion-proof capability, and can avoid the injury of splashed electric element fragments to surrounding workers; specifically, when the explosion appears in this cabinet of putting the cabinet in, the internal atmospheric pressure of cabinet increases suddenly, and when the internal atmospheric pressure of cabinet increases suddenly, adjusting part can drive the vertical rising of restriction board, in order to relieve the restriction board to the pivoted restriction that makes progress of first apron and second apron, the internal high-pressure gas of cabinet upwards flushes first apron and second apron, in time with the internal high-pressure gas of cabinet through the discharge of disappointing the mouth, and the internal and external atmospheric pressure of time balance cabinet, the electric elements piece of avoiding splashing causes the injury to staff on every side, thereby guarantee personal safety around the equipment.
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 side view of an explosion-proof centrally installed switchgear according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 taken along the line A-A;
FIG. 3 is an enlarged schematic view of a detail at B in FIG. 1;
FIG. 4 is an enlarged schematic view of another state of detail B in FIG. 1;
FIG. 5 is an enlarged view of detail C of FIG. 2;
fig. 6 is a schematic top view of an explosion-proof centrally installed switchgear according to an embodiment of the present invention.
Description of reference numerals:
110. a cabinet body; 120. a top plate; 130. a first cover plate; 140. a limiting plate; 150. a second cover plate; 160. a first side edge; 170. a second side edge; 180. a third side; 190. a fourth side; 210. a first support block; 220. a second support block; 230. a first rotating shaft; 240. a second rotating shaft; 250. a first lifting rod; 260. a first spring; 270. a first baffle plate; 280. a connecting arm; 290. a connecting rod; 310. a first bearing plate; 320. a third spring; 330. a first traveler; 340. a first sleeve; 350. a second bearing plate; 360. a second strut; 370. a fourth spring; 380. a second sleeve; 390. a second lifting rod; 410. a second spring; 420. a second baffle; 430. and an air leakage opening.
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 two, e.g., two, three, etc., unless specifically limited 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 intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 centrally installed switchgear.
Referring to fig. 1 to fig. 6, in an embodiment of an explosion-proof centrally installed switchgear according to the present invention, the explosion-proof centrally installed switchgear includes a switchgear body 110, a first cover plate 130, a second cover plate 150, a limiting plate 140, and an adjusting assembly; the cabinet 110 is provided with electrical components (such as circuit breakers, grounding switches, cables, and the like) therein, and the cabinet 110 includes a top plate 120 horizontally disposed; the top plate 120 is provided with an air release opening 430, and the air release opening 430 is rectangular; the first cover plate 130 and the second cover plate 150 are both hinged to the outer wall of the top plate 120; the first cover plate 130 and the second cover plate 150 are identical in shape and size; the first cover plate 130 is a rectangular plate; the first cover plate 130 can rotate to be attached to the outer wall of the top plate 120, and the second cover plate 150 can rotate to be attached to the outer wall of the top plate 120; when the first cover plate 130 is attached to the outer wall of the top plate 120 and the second cover plate 150 is attached to the outer wall of the top plate 120, the first cover plate 130 and the second cover plate 150 jointly seal the air release opening 430; the limiting plate 140 is vertically movably connected to the top plate 120, and the limiting plate 140 is horizontally arranged; the limiting plate 140 is positioned above the top plate 120; the limiting plate 140 can elastically abut against the first cover plate 130 and the second cover plate 150 to limit the first cover plate 130 and the second cover plate 150 from rotating upwards, that is, in a normal state, both the first cover plate 130 and the second cover plate 150 abut against the outer wall of the top plate 120 to seal the air release opening 430, so as to prevent external impurities from entering the cabinet body 110 through the air release opening 430; the adjusting assembly is used for driving the limiting plate 140 to vertically ascend when the air pressure in the cabinet 110 is increased, so as to release the limitation of the limiting plate 140 on the upward rotation of the first cover plate 130 and the second cover plate 150.
The explosion-proof middle-placed cabinet provided by the invention has good explosion-proof capability, and can avoid the injury of splashed electric element fragments to surrounding workers; specifically, when the explosion appears in this cabinet of putting the cabinet in, the internal gas pressure of cabinet 110 increases suddenly, and when the internal gas pressure of cabinet 110 increases suddenly, adjusting part can drive restriction board 140 vertical rising, in order to remove the restriction of restriction board 140 to the pivoted up restriction of first apron 130 and second apron 150, the high-pressure gas in the cabinet 110 upwards washes first apron 130 and second apron 150 open, in time with the high-pressure gas in the cabinet 110 discharge through disappointing mouth 430, and the inside and outside atmospheric pressure of balanced cabinet 110 in time, the electric elements piece of avoiding splashing causes the injury to staff on every side, thereby guarantee personal safety around the equipment.
Further, as shown in fig. 1 and 3, the first cover plate 130 includes a first side edge 160; the second cover plate 150 includes a second side edge 170; when the first cover plate 130 is attached to the outer wall of the top plate 120 and the second cover plate 150 is attached to the outer wall of the top plate 120, the first side 160 and the second side 170 are attached to each other; when the limiting plate 140 elastically abuts against the first cover plate 130 and the second cover plate 150, the first side 160 and the second side 170 are both located right below the limitation, and a contact line of the first side 160 and the second side 170 is parallel to the length direction of the limiting plate 140. Through the above technical solution, the limiting plate 140 can limit the first cover plate 130 and the second cover plate 150 from rotating upwards.
Meanwhile, the explosion-proof centrally installed switchgear further comprises a first supporting block 210 and a second supporting block 220 which are both connected to the outer wall of the top plate 120, wherein the first supporting block 210 and the second supporting block 220 are respectively positioned at two sides of the air leakage port 430; the first cover plate 130 includes a third side edge 180 parallel to and opposite the first side edge 160; the second cover plate 150 includes a fourth side 190 parallel to and opposite the second side 170; the third side 180 is connected with a first rotating shaft 230, and the first rotating shaft 230 is parallel to the first side 160; the fourth side 190 is connected to a second rotating shaft 240, and the second rotating shaft 240 is parallel to the second side 170; the first rotating shaft 230 is rotatably disposed through the first supporting block 210, and the first rotating shaft 230 is horizontally disposed; the second shaft 240 rotatably penetrates the second supporting block 220, and the second shaft 240 is horizontally disposed. Through the above technical solution, the structure that the first cover plate 130 is hinged to the outer wall of the top plate 120 and the second cover plate 150 is hinged to the outer wall of the top plate 120 is completed.
In addition, the above-mentioned adjusting assembly includes the first lifter 250, the second lifter 390, the first spring 260, the second spring 410, the first barrier 270, the second barrier 420, and the adjusting part; the first lifting rod 250 and the second lifting rod 390 are vertically and slidably arranged on the top plate 120; both ends of the limiting plate 140 are connected to the top end of the first lifting lever 250 and the top end of the second lifting lever 390, respectively; the bottom end of the first lifting rod 250 and the bottom end of the second lifting rod 390 are both positioned in the cabinet 110; the first baffle 270 is vertically connected to the bottom end of the first lifting rod 250; the second barrier 420 is vertically connected to the bottom end of the second lift lever 390.
The first spring 260 is sleeved on the first lifting rod 250, one end of the first spring 260 is connected to the inner wall of the top plate 120, and the other end of the first spring 260 is connected to the first baffle 270; the second spring 410 is sleeved on the second lifting rod 390, one end of the second spring 410 is connected to the inner wall of the top plate 120, and the other end of the second spring 410 is connected to the second baffle 420; the first spring 260 and the second spring 410 are both in a compressed state, so that the limiting plate 140 is elastically abutted against the first cover plate 130 and the second cover plate 150; the adjusting component is used for synchronously driving the first lifting rod 250 and the second lifting rod 390 to vertically ascend when the air pressure in the cabinet 110 is increased so as to drive the limiting plate 140 to vertically ascend, so as to remove the limitation of the limiting plate 140 on the upward rotation of the first cover plate 130 and the second cover plate 150.
Through the above technical solution, the limiting plate 140 can be elastically abutted against the first cover plate 130 and the second cover plate 150 to limit the first cover plate 130 and the second cover plate 150 from rotating upwards.
Meanwhile, the adjusting part includes a connecting arm 280, a connecting rod 290, a first bearing plate 310 and a second bearing plate 350, all of which are disposed in the cabinet 110; the connecting arm 280 is connected between the first baffle 270 and the second baffle 420; the middle of the connecting rod 290 is connected to the middle of the connecting arm 280, the connecting rod 290 is perpendicular to the connecting arm 280, and the connecting rod 290 is located below the connecting arm 280; the first and second bearing plates 310 and 350 are connected to both ends of the connecting rod 290, respectively; when the air pressure in the cabinet 110 is increased, the first pressure bearing plate 310 and the second pressure bearing plate 350 are moved to approach the top plate 120 to drive the connecting arm 280 to be lifted.
Specifically, as shown in fig. 3, in a normal state, the limiting plate 140 elastically abuts against the first cover plate 130 and the second cover plate 150 to limit the first cover plate 130 and the second cover plate 150 to rotate upwards; when the explosion appears in this cabinet of putting cabinet in, the internal gas pressure of cabinet 110 increases suddenly, and when the internal gas pressure of cabinet 110 increases suddenly, first bearing plate 310 and second bearing plate 350 all can rebound under the impact of atmospheric pressure, thereby drive connecting rod 290 rebound, thereby drive linking arm 280 rebound, thereby drive restriction board 140 vertical rising, in order to relieve the restriction of restriction board 140 to the upward pivoted of first apron 130 and second apron 150, the internal high-pressure gas of cabinet 110 upwards flushes first apron 130 and second apron 150, in time discharge the internal high-pressure gas of cabinet 110 through disappointing mouth 430, and the internal and external atmospheric pressure of cabinet 110 is balanced in time, avoid the electric elements piece that splashes to cause the injury to staff on every side.
In addition, the adjusting member further includes a third spring 320 and a fourth spring 370; one end of the third spring 320 is connected to a side of the first bearing plate 310 facing the top plate 120, and the other end of the third spring 320 is connected to an inner wall of the top plate 120; one end of the fourth spring 370 is connected to a side of the second bearing plate 350 facing the top plate 120, and the other end of the fourth spring 370 is connected to an inner wall of the top plate 120; the third spring 320 and the fourth spring 370 keep the connection rod 290 horizontal.
The both sides of the connecting rod 290 are balanced by providing the third and fourth springs 320 and 370, i.e., the connecting rod 290 is maintained horizontally, while the stroke of the first and second bearing plates 310 and 350 in the vertical direction is ensured.
Meanwhile, the adjustment part further includes a first sleeve 340, a first spool 330, a second sleeve 380, and a second spool 360; the first sleeve 340 and the second sleeve 380 are vertically embedded and connected to the inner wall of the top plate 120; the tube opening of the first sleeve 340 and the tube opening of the second sleeve 380 are both vertically downward; the first sliding column 330 is connected to an end of the first pressure bearing plate 310 facing the top plate 120; the first sliding column 330 is vertically and slidably embedded in the first sleeve 340; the second sliding column 360 is connected to an end of the second bearing plate 350 facing the top plate 120; the second sliding column 360 is vertically and slidably fitted and embedded in the second sleeve 380. The first spool 330 is parallel to the second spool 360, and the first spool 330 is perpendicular to the first pressure bearing plate 310. Through the above technical solution, it is ensured that both the first pressure bearing plate 310 and the second pressure bearing plate 350 can only move vertically.
In addition, the first rotating shaft 230 is sleeved with a first torsion spring (not shown) which makes the first cover plate 130 have a tendency to rotate in a direction away from the top plate 120; the second rotating shaft 240 is sleeved with a second torsion spring (not shown), and the second torsion spring makes the second cover plate 150 have a tendency to rotate in a direction away from the top plate 120. By providing the first torsion spring and the second torsion spring, the first cover plate 130 tends to rotate in a direction away from the top plate 120, and the second cover plate 150 tends to rotate in a direction away from the top plate 120, which is more beneficial to discharge of high-pressure air in the cabinet 110.
Meanwhile, one side of the first cover plate 130 is provided with a sealing strip (not shown) for abutting against the outer wall of the top plate 120; one side of the second cover plate 150 is provided with a sealing strip (not shown) for abutting against the outer wall of the top plate 120; the first side 160 is attached with a first rubber sealing layer (not shown), and the second side 170 is attached with a second rubber sealing layer (not shown); when the first cover plate 130 is attached to the outer wall of the top plate 120 and the second cover plate 150 is attached to the outer wall of the top plate 120, the first rubber sealing layer abuts against the second rubber sealing layer. This can ensure the sealing ability of the first cover plate 130 and the second cover plate 150 to the top plate 120, so as to prevent external impurities from entering the cabinet body 110 through the air leakage opening 430 when the centrally installed switchgear is in normal operation.
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 (10)
1. An explosion-proof centrally installed switchgear is characterized by comprising a switchgear body, a first cover plate, a second cover plate, a limiting plate and an adjusting assembly; the cabinet body comprises a top plate which is horizontally arranged; the top plate is provided with an air leakage port; the first cover plate and the second cover plate are hinged to the outer wall of the top plate; the first cover plate and the second cover plate are consistent in shape and size; the first cover plate is a rectangular plate; the first cover plate can rotate to be attached to the outer wall of the top plate, and the second cover plate can rotate to be attached to the outer wall of the top plate; when the first cover plate is attached to the outer wall of the top plate and the second cover plate is attached to the outer wall of the top plate, the first cover plate and the second cover plate jointly seal the air release opening; the limiting plate is vertically and movably connected to the top plate, and is horizontally arranged; the limiting plate is positioned above the top plate; the limiting plate can be elastically abutted against the first cover plate and the second cover plate so as to limit the first cover plate and the second cover plate to rotate upwards; the adjusting assembly is used for driving the limiting plate to vertically ascend when air pressure in the cabinet body rises, so that the limitation of the limiting plate on upward rotation of the first cover plate and the second cover plate is relieved.
2. An explosion-proof centrally-mounted cabinet according to claim 1, wherein the first cover plate comprises a first side edge; the second cover plate comprises a second side edge; when the first cover plate is attached to the outer wall of the top plate and the second cover plate is attached to the outer wall of the top plate, the first side edge and the second side edge are attached to and contacted with each other; when the limiting plate is elastically abutted against the first cover plate and the second cover plate, the first side edge and the second side edge are both located under the limitation, and the contact line of the first side edge and the second side edge is parallel to the length direction of the limiting plate.
3. The explosion-proof centrally-mounted cabinet according to claim 2, further comprising a first supporting block and a second supporting block which are both connected to the outer wall of the top plate, wherein the first supporting block and the second supporting block are respectively located at two sides of the air leakage opening; the first cover plate comprises a third side edge which is parallel to and opposite to the first side edge; the second cover plate comprises a fourth side edge parallel to and opposite to the second side edge; the third side edge is connected with a first rotating shaft, and the first rotating shaft is parallel to the first side edge; the fourth side edge is connected with a second rotating shaft, and the second rotating shaft is parallel to the second side edge; the first rotating shaft is rotatably arranged in the first supporting block in a penetrating way and is horizontally arranged; the second rotating shaft is rotatably arranged in the second supporting block in a penetrating mode, and the second rotating shaft is horizontally arranged.
4. An explosion-proof centrally-installed switchgear according to claim 1, wherein the adjusting assembly comprises a first lifting rod, a second lifting rod, a first spring, a second spring, a first baffle plate, a second baffle plate and an adjusting component; the first lifting rod and the second lifting rod are vertically and slidably arranged on the top plate in a penetrating manner; two ends of the limiting plate are respectively connected to the top end of the first lifting rod and the top end of the second lifting rod; the bottom end of the first lifting rod and the bottom end of the second lifting rod are both positioned in the cabinet body; the first baffle is vertically connected to the bottom end of the first lifting rod; the second baffle is vertically connected to the bottom end of the second lifting rod;
the first spring is sleeved on the first lifting rod, one end of the first spring is connected to the inner wall of the top plate, and the other end of the first spring is connected to the first baffle; the second spring is sleeved on the second lifting rod, one end of the second spring is connected to the inner wall of the top plate, and the other end of the second spring is connected to the second baffle; the first spring and the second spring are both in a compressed state, so that the limiting plate is elastically abutted against the first cover plate and the second cover plate; the adjusting component is used for synchronously driving the first lifting rod and the second lifting rod to vertically lift when the air pressure in the cabinet body rises so as to drive the limiting plate to vertically lift, and therefore the limitation of the limiting plate on the upward rotation of the first cover plate and the second cover plate is removed.
5. An explosion-proof centrally-mounted cabinet according to claim 4, wherein the adjusting component comprises a connecting arm, a connecting rod, a first bearing plate and a second bearing plate which are all arranged in the cabinet body; the connecting arm is connected between the first baffle and the second baffle; the middle part of the connecting rod is connected to the middle part of the connecting arm, and the connecting rod is positioned below the connecting arm; the first bearing plate and the second bearing plate are respectively connected to two ends of the connecting rod; when the air pressure in the cabinet body rises, the first bearing plate and the second bearing plate both move towards the direction close to the top plate so as to drive the connecting arm to rise.
6. An explosion-proof centrally-mounted cabinet according to claim 5, wherein the adjusting part further comprises a third spring and a fourth spring; one end of the third spring is connected to one side, facing the top plate, of the first bearing plate, and the other end of the third spring is connected to the inner wall of the top plate; one end of the fourth spring is connected to one side, facing the top plate, of the second bearing plate, and the other end of the fourth spring is connected to the inner wall of the top plate; the third spring and the fourth spring keep the connecting rod horizontal.
7. An explosion-proof centrally-mounted cabinet according to claim 6, wherein the adjusting part further comprises a first sleeve, a first sliding column, a second sleeve and a second sliding column; the first sleeve and the second sleeve are vertically embedded and connected to the inner wall of the top plate; the tube opening of the first sleeve and the tube opening of the second sleeve are both vertically downward; the first sliding column is connected to one end, facing the top plate, of the first bearing plate; the first sliding column is vertically and slidably matched and embedded in the first sleeve; the second sliding column is connected to one end, facing the top plate, of the second bearing plate; the second sliding column is vertically and slidably matched and embedded in the second sleeve.
8. An explosion-proof centrally-mounted cabinet according to claim 7, wherein the first sliding column is parallel to the second sliding column, and the first sliding column is perpendicular to the first bearing plate.
9. An explosion-proof centrally-mounted cabinet according to claim 3, wherein the first rotating shaft sleeve is provided with a first torsion spring, and the first torsion spring enables the first cover plate to have a tendency to rotate in a direction away from the top plate; the second pivot cover is equipped with the second torsional spring, the second torsional spring makes the second apron has to keeping away from the direction pivoted trend of roof.
10. An explosion-proof centrally-mounted cabinet according to claim 1, wherein the air-escape opening is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712102.0A CN114899751A (en) | 2022-06-22 | 2022-06-22 | Explosion-proof centrally installed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712102.0A CN114899751A (en) | 2022-06-22 | 2022-06-22 | Explosion-proof centrally installed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114899751A true CN114899751A (en) | 2022-08-12 |
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ID=82728379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210712102.0A Pending CN114899751A (en) | 2022-06-22 | 2022-06-22 | Explosion-proof centrally installed switchgear |
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| Country | Link |
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| CN (1) | CN114899751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693484A (en) * | 2022-10-31 | 2023-02-03 | 湖南开关有限责任公司 | Intelligent control method and artificial intelligence platform of switch cabinet |
-
2022
- 2022-06-22 CN CN202210712102.0A patent/CN114899751A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115693484A (en) * | 2022-10-31 | 2023-02-03 | 湖南开关有限责任公司 | Intelligent control method and artificial intelligence platform of switch cabinet |
| CN115693484B (en) * | 2022-10-31 | 2023-05-09 | 湖南开关有限责任公司 | Intelligent control method of switch cabinet and artificial intelligent platform |
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