CN117424087A - Power distribution switch control cabinet with protection performance and protection method thereof - Google Patents
Power distribution switch control cabinet with protection performance and protection method thereof Download PDFInfo
- Publication number
- CN117424087A CN117424087A CN202311397756.XA CN202311397756A CN117424087A CN 117424087 A CN117424087 A CN 117424087A CN 202311397756 A CN202311397756 A CN 202311397756A CN 117424087 A CN117424087 A CN 117424087A
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- Prior art keywords
- distribution switch
- power distribution
- switch cabinet
- cabinet
- sliding
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000443 aerosol Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 23
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a power distribution switch control cabinet with protective performance and a protection method thereof, and relates to the field of control cabinets. According to the invention, the open fire in the power distribution switch cabinet is extinguished by the aerosol, and the aerosol is in a gaseous state, so that the open fire in the power distribution switch cabinet can be extinguished while the environment in the power distribution switch cabinet is not polluted, and the problem that the follow-up cleaning of the cabinet is inconvenient due to the fact that dry powder is used for extinguishing the fire in the prior art is avoided.
Description
Technical Field
The invention relates to the field of control cabinets, in particular to a power distribution switch control cabinet with protection performance and a protection method thereof.
Background
The switch board is according to electrical wiring requirement with switchgear, measuring instrument, protection electrical apparatus and auxiliary assembly in closed or semi-closed metal cabinet or on the screen width of cloth, and its arrangement should satisfy the requirement of power system normal operating, and the maintenance of being convenient for does not endanger personal and surrounding equipment's safety, is commonly used in each, joins in marriage, the substation, because the switch board also can probably produce open fire because of conditions such as electrical component ageing or load overload in long-term use for the internal components and parts of switch board fires, so the protection performance such as fire extinguishing has usually been had to current switch board inside.
For example, the prior Chinese patent (publication No. CN 111355158A) discloses a self-detection fireproof intelligent power transmission and distribution control cabinet, and the self-detection fireproof intelligent power transmission and distribution control cabinet achieves the effect of monitoring the inside of the cabinet body in real time through a fire extinguishing mechanism so as to ensure quick treatment when a fire occurs, and can automatically adjust the injection angle to inject dry powder fire extinguishing agent to the fire source, so that the control effect of the consumption of the fire extinguishing agent is achieved when the fire extinguishing agent is effectively extinguished, and compared with the traditional lack of targeted large-scale fire extinguishing mode, the contact area between the fire extinguishing agent and electric equipment in the cabinet is effectively reduced.
However, the self-detection fireproof intelligent power transmission and distribution control cabinet designed by the design has some defects in practical application: when the self-detection fireproof intelligent power transmission and distribution control cabinet is used for extinguishing fire on open fire generated by electric appliances in the cabinet, the dry powder is used for achieving the purpose of extinguishing the fire, but the dry powder is small in size and large in quantity, so that people cannot clean the interior of the cabinet conveniently after the fire is extinguished, and further, great difficulty is brought to subsequent maintenance.
Therefore, we have designed a power distribution switch control cabinet with protection performance and a protection method thereof to solve the above problems.
Disclosure of Invention
The invention aims at: in order to solve the problem that the existing distribution switch control cabinet in the background art is difficult to clean in the follow-up process caused by dry powder extinguishing when the existing distribution switch control cabinet encounters open fire in the cabinet, the distribution switch control cabinet with the protection performance is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the power distribution switch cabinet is characterized by comprising a power distribution switch cabinet with a vent arranged on one side, a first pin shaft is arranged on the front side of the power distribution switch cabinet, two door plates are symmetrically arranged on the front side of the power distribution switch cabinet in a rotating mode through the first pin shaft, an electric device is arranged in the power distribution switch cabinet, a fixing frame is arranged in the power distribution switch cabinet, a containing groove is arranged on the front side of the fixing frame, aerosol is placed in the containing groove, a bidirectional screw rod is arranged in the power distribution switch cabinet in a rotating mode, two nuts are sleeved on symmetrical threads on the bidirectional screw rod, a motor is arranged on one side of the power distribution switch cabinet, a driving shaft of the motor is in transmission connection with one end of the bidirectional screw rod, a guide rod is inserted into the nuts, two ends of the guide rod are arranged in the power distribution switch cabinet, one end of the guide rod is provided with a connecting rod, the other end of the connecting rod is provided with a blocking piece, the blocking piece abuts against the front side of the fixing frame in a sliding connection mode, a sliding groove is arranged in the front side of the fixing frame, sliding grooves are used for placing aerosols, sliding pieces are connected in the sliding grooves, a sliding piece is arranged in the sliding piece, a sliding piece is connected with a sliding piece, a driving piece is arranged in the sliding piece and one side of the sliding piece, one side of the sliding piece is in a sliding piece, and one side of the sliding piece is in contact with the sliding piece, and the first sliding piece.
As still further aspects of the invention: two blocking pieces are symmetrically arranged in the sliding groove, and the air bag abuts against the blocking pieces.
As still further aspects of the invention: the power distribution switch cabinet is characterized in that the other nut is provided with a ring body, the ring body is hooked with a hook, the other side of the hook is provided with a rope, the other end of the rope is provided with a sealing plate, two limiting strips are symmetrically arranged in the power distribution switch cabinet, two sides of the sealing plate are respectively provided with a connecting piece, the connecting pieces are in sliding connection with the limiting strips, the sealing plate is matched with and offset with a ventilation opening, a positioning frame is arranged in the power distribution switch cabinet, a wheel body is rotatably arranged on the positioning frame, and the rope is offset with the wheel body.
As still further aspects of the invention: two opposite sides of the limiting strip are provided with limiting grooves, one side of the connecting piece, which is opposite to the other side of the connecting piece, is provided with rotating grooves, rollers are rotationally connected in the rotating grooves, and the rollers are in rolling connection in the limiting grooves.
As still further aspects of the invention: the power distribution switch cabinet is characterized in that a first fixing plate and a second fixing plate are respectively and fixedly arranged in the power distribution switch cabinet, a supporting block and a second electromagnetic button are respectively arranged on one side, opposite to the first fixing plate and the second fixing plate, of the power distribution switch cabinet, the supporting block is matched and supported with the second electromagnetic button, a second spring is jointly arranged on one side, opposite to the first fixing plate and the second fixing plate, of the power distribution switch cabinet, the first fixing plate is matched and supported with a sealing plate, and the second electromagnetic button is electrically connected with an electric device.
As still further aspects of the invention: the utility model discloses a power distribution switch cabinet, be provided with purification subassembly on the switch cabinet, purification subassembly is used for purifying the air that ventilates in the vent, purification subassembly includes fan, fixed cylinder, dust filter net, active carbon layer and filtration cotton, the fan sets up in the vent, fixed cylinder sets up in one side of switch cabinet and offsets with the vent, dust filter net, active carbon layer and filtration cotton fixed connection each other and set up at fixed cylinder inner circle, the active carbon layer includes support body and active carbon granule, be provided with a plurality of apertures in the support body, the active carbon granule sets up in the aperture.
As still further aspects of the invention: the bottom movable sleeve of switch board is equipped with the base, the top of base is provided with the kerve, switch board slip grafting is in the kerve, be provided with buffer assembly between switch board and the kerve, buffer assembly includes two sliders, mount pad, commentaries on classics piece, fixing base, damping jar and buffer spring, slider sliding connection is in the kerve, the mount pad sets up the top at the slider, be provided with the second round pin axle in the mount pad, commentaries on classics piece rotates and cup joints at the second round pin epaxially, the fixing base sets up the bottom at switch board, just be provided with the third round pin axle in the fixing base, the other end that changes the piece rotates and cup joints at the third round pin epaxially, the both ends of damping jar and buffer spring respectively with slider and kerve fixed connection, buffer assembly has two sets of, and two sets of buffer assembly symmetry set up between switch board and kerve.
As still further aspects of the invention: the base is characterized in that positioning sheets are arranged on two sides of the base, and a plurality of positioning threaded holes are formed in the positioning sheets.
As still further aspects of the invention: the electric push rod is characterized in that a sliding plate is connected in the containing groove in a sliding mode, a sealing ring is arranged on the sliding plate and abuts against the containing groove, an electric push rod is inlaid in the fixing frame, the driving end of the electric push rod is fixedly connected with the sliding plate, and the first electromagnetic button is electrically connected with the electric push rod.
The invention also discloses a protection method of the power distribution switch control cabinet with the protection performance, which adopts the power distribution switch control cabinet with the protection performance and comprises the following steps:
the method comprises the steps that S1, firstly, when open fire does not occur in the power distribution cabinet, an internal electric device can normally operate, when open fire is generated in the electric device due to conditions such as aging of the electric device or overload of load after the electric device is used for a long time, so that when the internal component of the power distribution cabinet is on fire, the inside of the power distribution cabinet continuously rises in temperature, an air bag is gradually expanded due to the rising of temperature, the air bag expanded in the process can push a sliding piece to compress a first spring and slide in a sliding groove until a contact block abuts against a first electromagnetic button, at the moment, the first electromagnetic button firstly transmits an electric signal to an electric push rod, the driving end of the electric push rod stretches to drive a sliding plate to move towards the front side of a containing groove, air and aerosol in the containing groove can be compressed, then the first electromagnetic button transmits the electric signal to a motor, a bidirectional screw rod rotates, a nut drives a connecting rod and a sealing piece to move until the front side of the whole containing groove is exposed, and the aerosol in the fixing frame is changed into a gas state due to the high temperature, and then the air bag is sprayed out of the containing groove at a high speed to conduct open fire in the power distribution cabinet until the contact block is gaseous, so that the aerosol is polluted, and the fire can be prevented from being continuously extinguished in the power distribution cabinet after the power distribution cabinet is used in the power distribution cabinet, and the fire extinguishing cabinet is clean;
s2, in S1, the two nuts can move in opposite directions by rotating the bidirectional screw rod, at the moment, the rope can slide on the wheel body when the other nut moves, so that the sealing plate slides downwards along the arrangement direction of the limiting groove until the vent is completely blocked, and external air can be prevented from entering the power distribution switch cabinet to assist oxygen combustion, so that the fire extinguishing efficiency can be further improved;
s3, in S2, when the sealing plate descends to block the ventilation opening, the sealing plate is propped against the first fixed plate at the moment, so that the first fixed plate drives the propping block to move downwards and compress the second spring, when the sealing plate completely blocks the ventilation opening, the propping block is just propped against the second electromagnetic button at the moment, and then the second electromagnetic button sends an electric signal to an electric device, so that all circuits of the electric device can be disconnected, not only the fire extinguishing in the power distribution switch cabinet is facilitated, but also the loss reduction is facilitated, and the protection performance of the power distribution switch cabinet is improved;
s4, it is to be noted that when the power distribution switch cabinet is arranged outdoors, the power distribution switch cabinet is most likely to be blown by strong wind, when the power distribution switch cabinet is in strong wind, the power distribution switch cabinet can slide downwards, two sliding blocks in the process can be mutually far away, the sliding blocks compress the buffer spring, after the buffer spring absorbs impact force completely, the buffer spring can be slowly rebounded by being matched with the damping cylinder, the buffer effect on the power distribution switch cabinet can be achieved, the problem that the power distribution switch cabinet is eroded and collapsed by strong wind and heavy rain due to the fact that most of cement is poured on the ground is avoided, and therefore the protection performance of the power distribution switch cabinet is further improved.
Compared with the prior art, the invention has the beneficial effects that:
1. when the electric device is used for a long time, the electric device is aged or overloaded and other conditions generate open fire, at the moment, the inside of the power distribution switch cabinet is continuously heated, so that the air bag is gradually expanded due to the temperature rise, the contact block can be propped against the first electromagnetic button, and the fire extinguishing structure can be automatically opened, so that the effect of monitoring the temperature in the power distribution switch cabinet in real time can be realized, then the electric push rod and the motor are opened, the sliding plate can pressurize the accommodating groove, and then the nut can drive the connecting rod and the plugging piece to open the originally sealed accommodating groove by rotating the bidirectional screw rod, so that the aerosol in the electric device can be released and extinguished against the open fire;
2. in addition, when the bidirectional screw rod rotates, the two nuts can move in opposite directions, at the moment, the nut far away from the connecting rod can drive the rope to slide on the wheel body, so that the sealing plate slides downwards along the setting direction of the limit groove, the ventilation opening is conveniently and completely plugged, and external air can be prevented from entering the power distribution switch cabinet to assist oxygen combustion, so that the fire extinguishing efficiency can be further improved, and the sliding friction of the limit sealing plate structure can be changed into rolling friction through the cooperation of the connecting piece, the limit groove and the roller, thereby being beneficial to reducing friction force and being beneficial to relieving abrasion;
3. in addition, when the sealing plate descends, the sealing plate can be propped against the first fixed plate, when the sealing plate completely seals the ventilation opening, the propping block is propped against the second electromagnetic button, and then the second electromagnetic button sends an electric signal to the electric device, so that all circuits of the electric device can be disconnected, the fire extinguishing in the power distribution switch cabinet can be facilitated, the loss can be reduced, and the protection performance of the power distribution switch cabinet is improved;
4. when the switch board sets up when the open air and meet strong wind, switch board can slide down this moment, and this in-process two sliders can keep away from each other and compress buffer spring, wait buffer spring and absorb the impact force after spent, and the cooperation damping jar can make buffer spring rebound slowly, can realize the buffering effect to switch board, has avoided switch board to pour at ground because of most cements and by the problem that strong wind and storm erosion collapsed to further improve the barrier propterty to switch board.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of an interior of a power distribution switchgear of the present invention;
FIG. 2 is a schematic perspective view of the left side outer part of the present invention;
FIG. 3 is a schematic perspective view of the right side outer part of the present invention;
FIG. 4 is a schematic perspective view of the inside of the base of the present invention;
fig. 5 is a schematic diagram of a perspective structure of the inside of a power distribution switchgear portion of the present invention;
FIG. 6 is a schematic view of a top view of the internal part of the fixing frame of the present invention;
FIG. 7 is a schematic perspective view of the exterior of the bi-directional screw of the present invention;
FIG. 8 is an exploded view of the purification assembly of the present invention;
FIG. 9 is an enlarged view of the invention at A in FIG. 1;
fig. 10 is an enlarged view of the present invention at B in fig. 1.
In the figure: 1. a power distribution switch cabinet; 2. a door panel; 3. an electrical device; 4. a fixing frame; 5. a holding groove; 6. a two-way screw rod; 7. a nut; 8. a motor; 9. a guide rod; 10. a connecting rod; 11. a blocking member; 12. a chute; 13. a slider; 14. an air bag; 15. a touch block; 16. a first electromagnetic button; 17. a first spring; 18. a blocking member; 19. a vent; 20. a ring body; 21. a hook member; 22. a rope; 23. a sealing plate; 24. a limit bar; 25. a connecting piece; 26. a limit groove; 27. a roller; 28. a positioning frame; 29. a wheel body; 30. a first fixing plate; 31. a second fixing plate; 32. abutting blocks; 33. a second electromagnetic button; 34. a second spring; 35. a fan; 36. a fixed cylinder; 37. a dust filtering net; 38. an activated carbon layer; 39. filtering cotton; 40. a base; 41. a bottom groove; 42. a slide block; 43. a mounting base; 44. a rotating member; 45. a fixing seat; 46. a damping cylinder; 47. a buffer spring; 48. a positioning sheet; 49. a sliding plate; 50. an electric push rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1-3 and 6-7, in the embodiment of the invention, a power distribution switch control cabinet with protection performance comprises a power distribution switch cabinet 1 with a ventilation opening 19 arranged at one side, a first pin shaft is arranged at the front side of the power distribution switch cabinet 1, two door plates 2 are symmetrically arranged at the front side of the power distribution switch cabinet 1 in a rotating way through the first pin shaft, an electric device 3 is arranged in the power distribution switch cabinet 1, a fixing frame 4 is arranged in the power distribution switch cabinet 1, a containing groove 5 is arranged at the front side of the fixing frame 4, aerosol is placed in the containing groove 5, a bidirectional screw rod 6 is rotationally arranged in the power distribution switch cabinet 1, two nuts 7 are symmetrically sleeved on the bidirectional screw rod 6 in a threaded way, a motor 8 is arranged at one side of the power distribution switch cabinet 1, a driving shaft of the motor 8 is in transmission connection with one end of the bidirectional screw rod 6, a guide rod 9 is inserted in the nut 7, two ends of the guide rod 9 are arranged in the power distribution switch cabinet 1, one of the nuts 7 is provided with a connecting rod 10, the other end of the connecting rod 10 is provided with a blocking piece 11, the blocking piece 11 is propped against the containing groove 5 and is in sliding connection with the front side of the fixed frame 4, the front side of the fixed frame 4 is provided with a sliding groove 12, a sliding piece 13 is in sliding connection with the sliding groove 12, an air bag 14 is arranged in the sliding groove 12, the air bag 14 is propped against the sliding piece 13, one side of the sliding piece 13 is provided with a contact block 15 and a first spring 17, a first electromagnetic button 16 is arranged in the sliding groove 12, the contact block 15 is matched and propped against the first electromagnetic button 16, the other end of the first spring 17 is fixedly connected with the inner wall of the sliding groove 12, the first electromagnetic button 16 is electrically connected with the motor 8, a sliding plate 49 is in sliding connection with the containing groove 5, a sealing ring is arranged on the sliding plate 49 and is propped against the containing groove 5, an electric push rod 50 is embedded in the fixed connection with the sliding plate 49, the first electromagnetic button 16 is electrically connected to the electric push rod 50.
In this embodiment: when open fire does not appear in the power distribution cabinet, the internal electric device 3 can normally operate, when open fire is generated in the electric device 3 due to conditions such as ageing of the electric device or overload of load after long-term use, so that when the internal components of the power distribution cabinet are on fire, the temperature of the inside of the power distribution cabinet is continuously increased, the air bag 14 is gradually expanded due to temperature increase, the air bag 14 expanded in the process can push the sliding piece 13 to compress the first spring 17 and slide in the sliding groove 12 until the contact block 15 is abutted against the first electromagnetic button 16, at the moment, the first electromagnetic button 16 sends an electric signal to the electric push rod 50, the driving end of the electric push rod 50 stretches to drive the sliding plate 49 to move towards the front side of the containing groove 5, air and aerosol in the containing groove 5 can be compressed, then the first electromagnetic button 16 sends the electric signal to the motor 8, the bidirectional screw rod 6 rotates, the nut 7 drives the connecting rod 10 and the blocking piece 11 to move along until the front side of the whole containing groove 5 is exposed, at the moment, the aerosol in the fixing frame 4 is in a gas state due to high temperature, then the aerosol in the fixing frame 4 is in a gas state, the high-speed switch is sprayed out of the power distribution cabinet 1, and the fire can not extinguish the fire can be cleaned in the power distribution cabinet 1, and the fire can not extinguish the fire can be caused by the fire.
Two blocking pieces 18 are symmetrically arranged in the chute 12, and the air bag 14 abuts against the blocking pieces 18. The blocking piece 18 can limit the front side of the air bag 14, so that the air bag 14 is prevented from being expanded to protrude out of the sliding groove 12 to influence the normal sliding of the blocking piece 11, and the problem of movement interference is avoided.
Referring to fig. 1 to 3, 5, 7 and 9, a ring body 20 is provided on another nut 7, a hook 21 is hooked on the ring body 20, a rope 22 is provided on the other side of the hook 21, a sealing plate 23 is provided on the other end of the rope 22, two limit bars 24 are symmetrically provided in the power distribution switch cabinet 1, connecting pieces 25 are provided on both sides of the sealing plate 23, the connecting pieces 25 are slidably connected with the limit bars 24, the sealing plate 23 is matched with and abutted against the ventilation opening 19, a positioning frame 28 is provided in the power distribution switch cabinet 1, a wheel body 29 is rotatably provided on the positioning frame 28, and the rope 22 is abutted against the wheel body 29.
In this embodiment: the rotation of the bidirectional screw rod 6 can enable the two nuts 7 to move in opposite directions, at the moment, when the other nut 7 moves, the rope 22 can slide on the wheel body 29, so that the sealing plate 23 can slide downwards along the setting direction of the limiting groove 26 until the ventilation opening 19 is completely blocked, and external air can be prevented from entering the power distribution switch cabinet 1 to assist oxygen combustion, and the fire extinguishing efficiency can be further improved.
The opposite sides of the two limiting strips 24 are provided with limiting grooves 26, the opposite sides of the two connecting pieces 25 are provided with rotating grooves, the rotating grooves are rotationally connected with idler wheels 27, and the idler wheels 27 are in rolling connection in the limiting grooves 26. When the sealing plate 23 moves, the connecting piece 25 moves, so that the sliding friction of the structure of the limiting sealing plate 23 can be changed into rolling friction, thereby helping to reduce friction force and further helping to relieve abrasion.
Referring to fig. 1, 5 and 10, a first fixing plate 30 and a second fixing plate 31 are slidably and fixedly disposed in the power distribution switchgear 1, a supporting block 32 and a second electromagnetic button 33 are disposed on opposite sides of the first fixing plate 30 and the second fixing plate 31, the supporting block 32 is matched and supported by the second electromagnetic button 33, a second spring 34 is disposed on opposite sides of the first fixing plate 30 and the second fixing plate 31, the first fixing plate 30 is matched and supported by the sealing plate 23, and the second electromagnetic button 33 is electrically connected with the electric device 3.
In this embodiment: when the sealing plate 23 descends to block the ventilation opening 19, the sealing plate 23 can prop against the first fixed plate 30 at the moment, so that the first fixed plate 30 drives the propping block 32 to move downwards and compress the second spring 34, when the sealing plate 23 completely blocks the ventilation opening 19, the propping block 32 just props against the second electromagnetic button 33, and then the second electromagnetic button 33 sends an electric signal to the electric device 3, so that the electric device 3 can be disconnected, the fire extinguishing in the power distribution switch cabinet 1 is facilitated, the loss can be reduced, and the protection performance of the power distribution switch cabinet is improved.
Referring to fig. 2 to 4, a base 40 is movably sleeved at the bottom of the power distribution switch cabinet 1, a bottom groove 41 is formed in the top of the base 40, the power distribution switch cabinet 1 is slidably inserted in the bottom groove 41, a buffer assembly is arranged between the power distribution switch cabinet 1 and the bottom groove 41, the buffer assembly comprises two sliding blocks 42, a mounting seat 43, a rotating member 44, a fixing seat 45, a damping cylinder 46 and a buffer spring 47, the sliding blocks 42 are slidably connected in the bottom groove 41, the mounting seat 43 is arranged at the top of the sliding blocks 42, a second pin shaft is arranged in the mounting seat 43, the rotating member 44 is rotatably sleeved on the second pin shaft, the fixing seat 45 is arranged at the bottom of the power distribution switch cabinet 1, a third pin shaft is arranged in the fixing seat 45, the other end of the rotating member 44 is rotatably sleeved on the third pin shaft, two ends of the damping cylinder 46 and the buffer spring 47 are fixedly connected with the sliding blocks 42 and the bottom groove 41 respectively, and the two groups of buffer assemblies are symmetrically arranged between the power distribution switch cabinet 1 and the bottom groove 41.
In this embodiment: when the power distribution switch cabinet 1 is arranged outdoors, strong wind blowing is most likely to be encountered, when the power distribution switch cabinet 1 encounters strong wind, the power distribution switch cabinet 1 can slide downwards, two sliding blocks 42 in the process can be far away from each other, the sliding blocks 42 compress the buffer spring 47, after the buffer spring 47 absorbs impact force completely, the buffer spring 47 can rebound slowly by being matched with the damping cylinder 46, the buffering effect on the power distribution switch cabinet 1 can be achieved, the problem that the power distribution switch cabinet 1 is eroded and collapsed by strong wind and heavy rain due to the fact that most of cement is poured on the ground is avoided, and therefore the protection performance of the power distribution switch cabinet 1 is further improved.
Referring to fig. 1, 2, 5 and 8, a purifying component is disposed on the power distribution switch cabinet 1 and is used for purifying air ventilated in the ventilation opening 19, the purifying component includes a fan 35, a fixing cylinder 36, a dust filtering net 37, an activated carbon layer 38 and a filter cotton 39, the fan 35 is disposed in the ventilation opening 19, the fixing cylinder 36 is disposed at one side of the power distribution switch cabinet 1 and abuts against the ventilation opening 19, the dust filtering net 37, the activated carbon layer 38 and the filter cotton 39 are fixedly connected with each other and are disposed at an inner ring of the fixing cylinder 36, the activated carbon layer 38 includes a frame body and activated carbon particles, a plurality of small holes are disposed in the frame body, and the activated carbon particles are disposed in the small holes.
In this embodiment: when open fire does not occur in the cabinet, ventilation and heat dissipation are needed in the power distribution switch cabinet 1 due to the operation of the electric device 3, the fan 35 is started at the moment, ventilation can be accelerated, and when external air enters the power distribution switch cabinet 1, the external air needs to be purified by the fixing cylinder 36, the dust filtering net 37 and the active carbon layer 38, so that contained dust can be filtered, and the environment in the power distribution switch cabinet 1 is maintained.
Positioning pieces 48 are arranged on two sides of the base 40, and a plurality of positioning threaded holes are formed in the positioning pieces 48. The plurality of positioning threaded holes can be used for inserting a plurality of positioning bolts in a threaded manner, so that the base 40 can be stably positioned outdoors, and the stability is improved.
The following combines the power distribution switch control cabinet with the protective performance, and provides a protection method of the power distribution switch control cabinet with the protective performance, which specifically comprises the following steps:
s1, when open fire does not occur in the power distribution cabinet, the internal electric device 3 can normally operate, when open fire is generated in the electric device 3 due to conditions such as aging of the electric device or overload of load after long-term use, so that the internal components of the power distribution cabinet are on fire, the inside of the power distribution cabinet is continuously heated, the air bags 14 are gradually expanded due to temperature rise, the air bags 14 expanded in the process push the sliding piece 13 to compress the first spring 17 and slide in the sliding groove 12 until the contact block 15 abuts against the first electromagnetic button 16, at the moment, the first electromagnetic button 16 sends an electric signal to the electric push rod 50, the driving end of the electric push rod 50 stretches to drive the sliding plate 49 to move to the front side of the containing groove 5, air and aerosol in the containing groove 5 can be compressed, then the first electromagnetic button 16 sends the electric signal to the motor 8, the bidirectional screw rod 6 rotates, the nut 7 drives the connecting rod 10 and the blocking piece 11 to move along until the front side of the whole containing groove 5 is exposed, at the moment, the aerosol in the fixing frame 4 is in a gas state due to high temperature, then the aerosol in the high temperature is sprayed out of the power distribution cabinet 1, and the problem of fire can not be avoided due to the fact that the conventional fire is not to be cleaned, and the fire is not extinguished in the power distribution cabinet 1;
s2, in S1, the two nuts 7 can move in opposite directions by the rotation of the bidirectional screw rod 6, and at the moment, the rope 22 can slide on the wheel body 29 when the other nut 7 moves, so that the sealing plate 23 slides downwards along the direction of the limit groove 26 until the vent 19 is completely blocked, and external air can be prevented from entering the power distribution switch cabinet 1 to assist oxygen combustion, so that the fire extinguishing efficiency can be further improved;
s3, in S2, when the sealing plate 23 descends to seal the ventilation opening 19, the sealing plate 23 abuts against the first fixed plate 30, so that the first fixed plate 30 drives the abutting block 32 to move downwards and compress the second spring 34, when the sealing plate 23 completely seals the ventilation opening 19, the abutting block 32 abuts against the second electromagnetic button 33, and then the second electromagnetic button 33 sends an electric signal to the electric device 3, so that the electric device 3 can be disconnected, the fire extinguishing in the power distribution switch cabinet 1 is facilitated, the loss is reduced, and the protection performance of the power distribution switch cabinet is improved;
s4, it should be noted that when the power distribution switch cabinet 1 is arranged outdoors, strong wind blowing is most likely to be encountered, when the power distribution switch cabinet 1 encounters strong wind, the power distribution switch cabinet 1 can slide downwards at the moment, the two sliding blocks 42 in the process are far away from each other, the sliding blocks 42 compress the buffer spring 47, after the buffer spring 47 absorbs impact force, the buffer spring 47 can rebound slowly by being matched with the damping cylinder 46, the buffering effect on the power distribution switch cabinet 1 can be achieved, and the problem that the power distribution switch cabinet 1 is eroded and collapses by strong wind and heavy rain due to the fact that most of cement is poured on the ground is avoided, so that the protection performance of the power distribution switch cabinet 1 is further improved.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a distribution switch control cabinet with protective properties, is including distribution switch cabinet (1) that one side is provided with vent (19), the front side of distribution switch cabinet (1) is provided with first round pin axle, the front side of distribution switch cabinet (1) is provided with two door plant (2) through first round pin axle symmetry rotation, be provided with electric device (3) in distribution switch cabinet (1), its characterized in that, be provided with mount (4) in distribution switch cabinet (1), the front side of mount (4) is provided with holds groove (5), be used for placing aerosol in holding groove (5), distribution switch cabinet (1) rotation is provided with two-way lead screw (6), symmetrical screw cup joints on two nuts (7) on two-way lead screw (6), one side of distribution switch cabinet (1) is provided with motor (8), the drive shaft and the one end transmission of two-way lead screw (6) of motor (8) are connected, guide bar (9) have been inserted in nut (7), both ends of guide bar (9) are provided with mount (1) and hold connecting rod (10) in one of them (10) in the mount (11) and the other end, one of them is provided with connecting rod (11) in the mount (11), the front side of mount (4) is provided with spout (12), sliding connection has slider (13) in spout (12), be provided with gasbag (14) in spout (12), gasbag (14) offset with slider (13), one side of slider (13) is provided with contact block (15) and first spring (17), be provided with first electromagnetic button (16) in spout (12), contact block (15) offset with first electromagnetic button (16) cooperation, the other end and spout (12) inner wall fixed connection of first spring (17), first electromagnetic button (16) and motor (8) electric connection.
2. The power distribution switch control cabinet with the protection performance according to claim 1, wherein two blocking pieces (18) are symmetrically arranged in the sliding groove (12), and the air bag (14) is abutted against the blocking pieces (18).
3. The distribution switch control cabinet with protective performance according to claim 1, wherein another nut (7) is provided with a ring body (20), a hook piece (21) is hooked on the ring body (20), a rope (22) is arranged on the other side of the hook piece (21), a sealing plate (23) is arranged at the other end of the rope (22), two limit strips (24) are symmetrically arranged in the distribution switch cabinet (1), connecting pieces (25) are arranged on two sides of the sealing plate (23), the connecting pieces (25) are in sliding connection with the limit strips (24), the sealing plate (23) is matched and abutted with a ventilation opening (19), a positioning frame (28) is arranged in the distribution switch cabinet (1), a wheel body (29) is rotatably arranged on the positioning frame (28), and the rope (22) is abutted with the wheel body (29).
4. A power distribution switch control cabinet with protection performance according to claim 3, characterized in that two opposite sides of the limiting strips (24) are provided with limiting grooves (26), two opposite sides of the connecting pieces (25) are provided with rotating grooves, rollers (27) are rotationally connected in the rotating grooves, and the rollers (27) are in rolling connection in the limiting grooves (26).
5. A power distribution switch control cabinet with protection performance according to claim 3, characterized in that a first fixing plate (30) and a second fixing plate (31) are respectively and fixedly arranged on the power distribution switch cabinet (1), a supporting block (32) and a second electromagnetic button (33) are respectively arranged on opposite sides of the first fixing plate (30) and the second fixing plate (31), the supporting block (32) is matched and supported with the second electromagnetic button (33), a second spring (34) is jointly arranged on opposite sides of the first fixing plate (30) and the second fixing plate (31), the first fixing plate (30) is matched and supported with a sealing plate (23), and the second electromagnetic button (33) is electrically connected with an electric device (3).
6. The distribution switch control cabinet with protective performance according to claim 1, characterized in that a purification component is arranged on the distribution switch cabinet (1) and used for purifying air ventilated in the ventilation opening (19), the purification component comprises a fan (35), a fixing cylinder (36), a dust filtering net (37), an active carbon layer (38) and filter cotton (39), the fan (35) is arranged in the ventilation opening (19), the fixing cylinder (36) is arranged on one side of the distribution switch cabinet (1) and is abutted against the ventilation opening (19), the dust filtering net (37), the active carbon layer (38) and the filter cotton (39) are fixedly connected with each other and are arranged on the inner ring of the fixing cylinder (36), the active carbon layer (38) comprises a frame body and active carbon particles, and a plurality of small holes are formed in the frame body and the active carbon particles are arranged in the small holes.
7. The distribution switch control cabinet with protective performance according to claim 1, wherein a base (40) is movably sleeved at the bottom of the distribution switch cabinet (1), a bottom groove (41) is arranged at the top of the base (40), the distribution switch cabinet (1) is slidably inserted in the bottom groove (41), a buffer component is arranged between the distribution switch cabinet (1) and the bottom groove (41), the buffer component comprises two sliding blocks (42), a mounting seat (43), a rotating piece (44), a fixing seat (45), a damping cylinder (46) and a buffer spring (47), the sliding blocks (42) are slidably connected in the bottom groove (41), the mounting seat (43) is arranged at the top of the sliding blocks (42), a second pin shaft is arranged in the mounting seat (43), the rotating piece (44) is rotatably sleeved on the second pin shaft, the fixing seat (45) is arranged at the bottom of the distribution switch cabinet (1), a third pin shaft is arranged in the fixing seat (45), the other end of the rotating piece (44) is rotatably connected with the third pin shaft (42) and the two ends of the buffer cylinder (46) are respectively connected with the two damping cylinder (41) in a sleeved mode, and the two groups of buffer components are symmetrically arranged between the power distribution switch cabinet (1) and the bottom groove (41).
8. The power distribution switch control cabinet with the protection performance according to claim 7, wherein positioning sheets (48) are arranged on two sides of the base (40), and a plurality of positioning threaded holes are formed in the positioning sheets (48).
9. The power distribution switch control cabinet with the protection performance according to claim 1, wherein a sliding plate (49) is connected in the containing groove (5) in a sliding mode, a sealing ring is arranged on the sliding plate (49), the sealing ring is abutted against the containing groove (5), an electric push rod (50) is embedded in the fixing frame (4), the driving end of the electric push rod (50) is fixedly connected with the sliding plate (49), and the first electromagnetic button (16) is electrically connected with the electric push rod (50).
10. A protection method of a power distribution switch control cabinet with protection performance, characterized in that the power distribution switch control cabinet with protection performance according to any one of claims 1-9 is adopted, comprising the following steps:
s1, firstly, when the power distribution cabinet does not have open fire, the internal electric device (3) can normally operate, when the open fire is generated in the electric device (3) due to the conditions of ageing, overload of load and the like of the electric device, so that the internal components of the power distribution cabinet are on fire, the internal part of the power distribution cabinet can continuously heat up, the air bag (14) is gradually expanded due to the temperature rise, the air bag (14) expanded in the process can push the sliding piece (13) to compress the first spring (17) and slide in the sliding groove (12) until the contact block (15) is abutted against the first electromagnetic button (16), at the moment, the first electromagnetic button (16) firstly transmits an electric signal to the electric push rod (50), the driving end of the electric push rod (50) stretches to drive the sliding plate (49) to move towards the front side of the containing groove (5), namely, air and aerosol in the containing groove (5) can be compressed, then the first electromagnetic button (16) transmits the electric signal to the motor (8), the bidirectional screw rod (6) rotates, the nut (7) drives the connecting rod (10) and the first electromagnetic button (16) to move in the air bag until the whole air bag (5) is exposed out of the air bag (5) until the air bag is in the high-state, and the air bag is blown out of the air bag (5) due to the high-speed air bag is blown out of the air bag (5) until the air bag (1) is exposed to the high-state, therefore, the environment in the power distribution switch cabinet (1) is not polluted, and meanwhile, open fire in the power distribution switch cabinet (1) can be extinguished, so that the problem that the follow-up cleaning of the cabinet is inconvenient due to the fact that dry powder is used for extinguishing the fire in the prior art is avoided;
s2, in S1, the two nuts (7) can be moved in opposite directions by the rotation of the bidirectional screw rod (6), and at the moment, the rope (22) can slide on the wheel body (29) when the other nut (7) is moved, so that the sealing plate (23) slides downwards along the arrangement direction of the limit groove (26) until the vent (19) is completely blocked, and external air can be prevented from entering the power distribution switch cabinet (1) to assist oxygen combustion, so that the fire extinguishing efficiency can be further improved;
s3, in S2, when the sealing plate (23) descends to seal the ventilation opening (19), the sealing plate (23) can be propped against the first fixed plate (30) at the moment, so that the first fixed plate (30) drives the propping block (32) to move downwards and compress the second spring (34), when the sealing plate (23) completely seals the ventilation opening (19), the propping block (32) is just propped against the second electromagnetic button (33), and then the second electromagnetic button (33) sends an electric signal to the electric device (3), so that all circuits of the electric device (3) can be disconnected, not only the fire extinguishing in the power distribution switch cabinet (1) is facilitated, but also the loss reduction is facilitated, and the protection performance of the power distribution switch cabinet is improved;
s4, it is to be noted that when the power distribution switch cabinet (1) is arranged outdoors, the power distribution switch cabinet (1) is most likely to be blown by strong wind, when the power distribution switch cabinet (1) is blown by strong wind, the power distribution switch cabinet (1) can slide downwards, two sliding blocks (42) in the process can be mutually far away, the sliding blocks (42) compress the buffer spring (47), after the buffer spring (47) absorbs the impact force, the buffer spring (47) can rebound slowly by being matched with the damping cylinder (46), the buffering effect on the power distribution switch cabinet (1) can be achieved, the problem that the power distribution switch cabinet (1) is eroded and collapsed by strong wind and storm due to the fact that most of cement is poured on the ground is avoided, and therefore the protection performance for the power distribution switch cabinet (1) is further improved.
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| CN202311397756.XA CN117424087B (en) | 2023-10-26 | 2023-10-26 | Power distribution switch control cabinet with protection performance and protection method thereof |
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