CN113097903B - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
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- CN113097903B CN113097903B CN202110444045.8A CN202110444045A CN113097903B CN 113097903 B CN113097903 B CN 113097903B CN 202110444045 A CN202110444045 A CN 202110444045A CN 113097903 B CN113097903 B CN 113097903B
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- Prior art keywords
- cabinet
- lock
- cabinet body
- groove
- cabinet door
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Special Wing (AREA)
Abstract
The utility model relates to a power distribution cabinet, including the cabinet body and two cabinet doors that can seal the cabinet body, the top of the cabinet body is provided with the gas portion that holds that can hold inert gas, the interior top surface of the cabinet body still is provided with the air flue that the intercommunication held gas portion and the internal portion of cabinet, the air flue is provided with the temperature sensing glass bubble that can seal the air flue under the normality with the internal intercommunication of cabinet, the both ends of the cabinet body all are provided with the air supply equipment with external intercommunication, internal wall of cabinet is provided with and can cuts off the shielding plate of air supply equipment and the internal intercommunication of cabinet along with sliding downwards, the upside that the internal correspondence shielding plate of cabinet is provided with the normality and can drag the stay cord that the shielding plate moved to keeping air supply equipment and the internal portion of cabinet to communicate under the normality, the stay cord is fusible cord, the melting point of fusible cord is less than the fracture temperature of temperature sensing glass bubble. This application has can be after the inside spontaneous combustion of switch board, to the effect of putting out a fire in the switch board.
Description
Technical Field
The application relates to the field of power distribution equipment, in particular to a power distribution cabinet.
Background
In daily building traffic and industrial production, all need use a large amount of switch boards, come to distribute the electric power of unified access in the electric wire netting to different consumer through the switch board, make mechanical equipment engage in various work then, the structure of switch board has generally included the cabinet body to and set up the distribution module in the cabinet body, crowd need be kept apart in the installation of switch board is used, and then interference prevention.
According to the Chinese invention patent with the patent number of CN111029933A, the power distribution cabinet comprises a cabinet body, a cabinet door, an installation frame and an electrical component, wherein the installation frame is installed in the cabinet body, the electrical component is fixed on the installation frame, the installation frame is arranged at one end, far away from the cabinet door, of the cabinet body, the end, close to the cabinet door, of the installation frame is opposite to the cabinet door, a pedal is rotatably connected to one side wall, close to the cabinet door, of the cabinet body, the rotation axis of the pedal is horizontally arranged and perpendicular to the plane where the cabinet door is located, a limiting block is fixed to the other side wall, close to the cabinet door, when the pedal rotates to the horizontal state, the lower surface of the pedal abuts against the upper surface of the limiting block, and a limiting assembly for limiting the rotation of the pedal when the pedal rotates upwards to the vertical state is arranged on the cabinet body. During normal use, the footboard is in vertical state and is close with cabinet body inner wall, when needs are to installation or maintenance eminence electrical components, removes the restriction of restriction subassembly, rotates footboard to butt stopper, and the footboard is in the horizontality, can stand this moment and maintain or install eminence electrical components on the footboard.
The inventor thinks foretell this kind of switch board simple structure, the gas to the internal portion of cabinet that can not be fine dispels the heat, arouses the conflagration then easily, and the inside device that can put out a fire that lacks of switch board of this kind, this kind just leads to can not just taking place in the condition of a fire, puts out a fire, causes whole each electric appliance cabinet burning easily, and the loss is serious.
Disclosure of Invention
In order to put out a fire in the switch board after can be in the inside spontaneous combustion of switch board, this application provides a switch board.
The application provides a switch board adopts following technical scheme:
the utility model provides a power distribution cabinet, includes the cabinet body and two cabinet doors that can seal the cabinet body, the top of the cabinet body is provided with the gas portion that holds that can hold inert gas, the interior top surface of the cabinet body still is provided with the air flue that communicates gas portion and the internal portion of cabinet, the one end of air flue and the internal intercommunication of cabinet is provided with the temperature sensing glass bubble that can seal the air flue under the normality, the both ends of the cabinet body all are provided with the air supply equipment with external intercommunication, the internal wall of cabinet is provided with and can cuts off the shielding plate that air supply equipment and the internal intercommunication of cabinet along with sliding downwards, the upside that the internal correspondence shielding plate of cabinet is provided with the normality and can drag the shielding plate motion to the stay cord that keeps air supply equipment and the internal portion of cabinet to communicate under being provided with, the stay cord is fusible rope, and the melting point of fusible rope is less than the rupture temperature of temperature sensing glass bubble.
Through adopting above-mentioned technical scheme, under the normality, through stay cord pulling shielding plate, can drag the shielding plate upward movement and keep air supply equipment and the inside intercommunication of the cabinet body, consequently, air supply equipment can send into external wind to the internal cabinet, realize the internal cooling to the cabinet, after the internal back of catching fire of cabinet, the temperature rises, at first realize the fusing of stay cord, the shielding plate will vertically slide downwards, through the shielding plate to the cabinet body with external isolated, block the input of oxygen, and simultaneously, continue to rise along with flame temperature, be greater than the temperature of breaking of temperature sensing glass bubble, the temperature sensing glass bubble takes place to break, hold the inert gas in the gas portion and discharge downwards, the internal combustion condition of faster speed separation cabinet, can realize the internal portion of cabinet and put out a fire.
Optionally, one side of each of the two cabinet doors, which is far away from each other, is hinged to the cabinet body, and the cabinet body can be closed when the side of each of the two cabinet doors, which is close to each other, is abutted; a plurality of lock posts with end parts capable of extending out of one side of each of the two cabinet doors close to each other are connected in the two cabinet doors in a sliding manner, and a lock groove capable of being inserted with the lock post is formed in the position of each cabinet door corresponding to the lock post of the other cabinet door; and a first push spring capable of pushing the lock column to move towards the direction of the lock groove of the other cabinet door in a normal state is arranged in each cabinet door, a safety rope capable of pulling the lock column to keep the lock column from being inserted into the corresponding lock groove in the normal state is arranged in each cabinet door, and the safety rope is a fusible rope and can be exposed out of the cabinet body.
Through adopting above-mentioned technical scheme, when the internal spontaneous combustion that takes place of cabinet, the safety rope is blown to flame, and each pushes away the spring and can promote each lock post and directly insert the corresponding lock inslot of locating another cabinet door, realizes the further closure of cabinet door to guarantee the closure of cabinet door, the opening of further avoiding the cabinet door.
Optionally, the position of the cabinet door corresponding to each lock post is provided with an air hole penetrating through the cabinet door, each lock post is provided with a circulation hole, the circulation hole and the air hole can be communicated when the lock posts are pulled by the safety rope and the air holes and the circulation holes are staggered when the lock posts are inserted into the lock grooves.
Through adopting above-mentioned technical scheme, under the normality, bleeder vent and circulation hole intercommunication, it is internal that external air can get into the cabinet, the internal air of cabinet also can circulate to the external world, thereby can cooperate air supply equipment to realize the internal heat dissipation ventilation of cabinet, nevertheless when the internal back of spontaneous combustion of cabinet, flame burns the safety rope, the lock post will receive the thrust of pushing away spring one, make the lock post in the cabinet door slide and insert and locate the corresponding locked groove in another cabinet door, realize staggering of circulation hole and bleeder vent on the one hand, realize external and the internal wall of cabinet, the business turn over of separation air, on the other hand lock post and the further locking cabinet door of locked groove cooperation.
Optionally, a first fireproof expansion strip which can be abutted against the cabinet door in a normal state is arranged at a position, corresponding to the cabinet door, of the cabinet body, and a second fireproof expansion strip is arranged between the two cabinet doors.
Through the mutual cooperation of the first fireproof expansion strip and the second fireproof expansion strip, the cabinet body can be further sealed after spontaneous combustion in the cabinet body, and therefore air is prevented from being discharged.
Optionally, each the reset groove that can expose all lock posts simultaneously is all seted up in the outside of cabinet door, the position that the cabinet door corresponds the reset groove articulates there is the locking board that can shelter from the reset groove.
By adopting the technical scheme, after workers spontaneously combust in the cabinet body, the cabinet body needs to be opened, the locking plate is opened, and the locking columns are pushed to reset, so that the cabinet body can be opened.
Optionally, each the equal rigid coupling in the position in the groove that resets is corresponded to the lock post global has the bead, and the one side that is close to each other in the groove that resets of two cabinet doors all is provided with the board that resets, and two boards that reset all slide along the slip direction of lock post and connect in the groove that resets, the position that resets corresponding each lock post all sets up can the butt in the global butt groove of lock post, and the arc mouth in butt groove is less than the size of the convex arris portion of lock post.
Through adopting above-mentioned technical scheme, when opening the locking plate and need reseing each lock post, directly drag the board that resets and drive each lock post and tend to keep away from the direction that corresponds the locked groove and slide, because the butt groove butt that resets in the lock post global, and the arc mouth in butt groove is less than the size of the bead portion of lock post, consequently, drag the board that resets and slide, can drive and drive each lock post and slide simultaneously, the reseing of the lock post of being convenient for.
Optionally, the upper end and the lower end of one side of the reset groove of each cabinet door, which are far away from each other, are connected with a limit stop protrusion in a sliding manner, and a second push spring which can push the convex end of the limit stop protrusion to be inserted into the reset groove in a normal state is arranged in the cabinet door.
Through adopting above-mentioned technical scheme, it is that the board that resets that slides drives each lock post cunning and moves to breaking away from corresponding locked groove, can extrude the spacing fender of the inslot that resets and protruding, it is protruding to make the board that resets cross the spacing fender that corresponds, can make spacing fender protruding carry on spacingly to the board that resets to the position of each lock post of restriction, the cabinet door of being convenient for open.
Optionally, an arc-shaped surface is formed on one side, close to each other, of the limiting blocking protrusions of the two reset grooves.
Through adopting above-mentioned technical scheme, when sliding the board that resets, can directly promote spacing fender through the arcwall face and protruding retracting to it is protruding to make the board that resets cross spacing fender, is convenient for reset the use of board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in a normal state, the shielding plate is pulled through the pull rope, the shielding plate can be dragged to move upwards to keep the communication between the air supply equipment and the inside of the cabinet body, so that the air supply equipment can supply outside air into the cabinet body to realize cooling in the cabinet body, when fire breaks out in the cabinet body, the pull rope is firstly fused, the shielding plate slides downwards vertically, the cabinet body is isolated from the outside through the shielding plate to block the input of oxygen, meanwhile, the temperature of flame continues to rise along with the rise of the temperature of the flame and is higher than the breaking temperature of the temperature sensing glass bubbles, the temperature sensing glass bubbles break, inert gas in the gas containing part is discharged downwards, the combustion condition in the cabinet body is blocked at a higher speed, and the fire extinguishment in the cabinet body can be realized;
2. in a normal state, the air holes are communicated with the circulation holes, outside air can enter the cabinet body, and air in the cabinet body can also circulate to the outside, so that heat dissipation and ventilation in the cabinet body can be realized by matching with air supply equipment, but after the cabinet body is self-ignited, the safety ropes are blown by flame, and the lock posts are pushed by the first push spring, so that the lock posts in the cabinet doors are slidably inserted into the corresponding lock grooves in the other cabinet door, on one hand, the circulation holes and the air holes are staggered, the partition between the outside and the cabinet body is realized, the air is blocked from entering and exiting, and on the other hand, the lock posts and the lock grooves are matched to further lock the cabinet doors;
3. when opening the locking plate and need reseing each lock post, directly dragging the board that resets and driving each lock post and tend to keep away from the direction that corresponds the locked groove and slide, because the butt groove butt that resets in the lock post global, and the arc mouth in butt groove is less than the size of the bead portion of lock post, consequently, drags the board that resets and slides, can drive and slide simultaneously each lock post, the reseing of the lock post of being convenient for.
Drawings
Fig. 1 is a schematic overall structure diagram of a power distribution cabinet according to an embodiment of the present application;
fig. 2 is a schematic cross-sectional view of the overall structure of a power distribution cabinet according to an embodiment of the present application;
fig. 3 is a schematic sectional view of a cabinet door structure of a power distribution cabinet according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
fig. 5 is a schematic structural view of a cabinet door of a power distribution cabinet according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a reset groove of a cabinet door of a power distribution cabinet according to an embodiment of the present application;
fig. 7 is an enlarged schematic view of a portion B in fig. 3.
Description of reference numerals: 1. a cabinet body; 11. mounting grooves; 111. an inert gas storage tank; 12. an airway; 121. a temperature-sensitive glass bulb; 13. a shielding plate; 14. pulling a rope; 2. a cabinet door; 21. a lock cylinder; 211. a flow-through hole; 212. a rib; 22. locking the groove; 23. pushing a first spring; 24. a safety rope; 241. a communicating groove; 25. air holes are formed; 26. a limiting block is convex; 261. an arc-shaped surface; 27. a second push spring; 3. an air supply device; 4. a reset groove; 41. a locking plate; 5. a reset plate; 51. and abutting against the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a power distribution cabinet.
Referring to fig. 1, a switch board, including the cabinet body 1, the uncovered setting in a surface of the cabinet body 1, and the open surface of the cabinet body 1 is provided with cabinet door 2, and one side that two cabinet doors 2 kept away from each other all articulates in the cabinet body 1, and when the orientation rotated to mutual butt along with two cabinet doors 2 trend are close to each other, two cabinet doors 2 can seal the cabinet body 1, are provided with the cabinet lock that can lock two cabinet doors 2 between two cabinet doors 2. For guaranteeing the leakproofness of the cabinet body 1 and cabinet door 2, 1 open department rigid coupling of the cabinet body has fire prevention inflation strip one, fire prevention inflation strip one can the butt in cabinet door 2, two cabinet doors 2 be close to one side rigid coupling each other and have fire prevention inflation strip two, along with closing of two cabinet doors 2, can be through between two sealed two cabinet doors 2 of fire prevention inflation strip two, and the fire prevention inflation strip one that adopts and fire prevention inflation strip two mutually supports, can be in the cabinet body 1 further sealed cabinet body 1 behind the spontaneous combustion, thereby avoid the discharge of air.
Referring to fig. 2, the inner top of the cabinet 1 is provided with a mounting groove 11, an inert gas storage tank 111 can be installed in the mounting groove 11, thereby forming an inert gas containing portion at the inner top of the cabinet 1, an air passage 12 is opened at the lower side of the top corresponding to the mounting groove 11 in the cabinet 1, an air outlet end of the inert gas storage tank 111 is fixedly connected with the upper end of the air passage 12, and the lower end of the air passage 12 is communicated with the inside of the cabinet 1, the lower portion in the air passage 12 is further fixed with a temperature sensing glass bubble 121, the air passage 12 can be sealed by the temperature sensing glass bubble 121 in a normal state, and when the temperature rises to the critical temperature of the temperature sensing glass bubble 121 along with the temperature in the cabinet 1, the temperature sensing glass bubble 121 can be broken, thereby communicating the lower end of the air passage 12 with the cabinet 1, thereby discharging the inert gas from the air passage 12 to the inside of the cabinet 1, and blocking the combustion condition in the cabinet 1.
Referring to fig. 2, the lower portions of the outer sides of the two ends of the cabinet 1 are fixedly connected with an air supply device 3, which may be a blower. Air supply equipment 3 can communicate the external world and the internal portion of cabinet 1, and the vertical sliding in position that the internal wall of cabinet 1 both ends corresponds air supply equipment 3 is connected with shielding plate 13, and shielding plate 13 upwards slides, can communicate the external world and the internal portion of cabinet 1, and shielding plate 13 slides downwards, can cut off external and internal intercommunication of cabinet 1 to make external wind can't deliver to in the cabinet 1. A pull rope 14 is fixedly connected to the upper side of the shielding plate 13 in the cabinet body 1, the lower end of the pull rope 14 is fixedly connected to the upper side of the shielding plate 13, in a normal state, the pull rope 14 can drag the shielding plate 13 to move until the air supply device 3 is communicated with the inside of the cabinet body 1, in addition, the pull rope 14 is a fusible rope, and the melting point of the fusible rope is lower than the cracking temperature of the temperature sensing glass bulb 121.
Referring to fig. 2, in a normal state, the baffle plate 13 is pulled by the pull rope 14, the baffle plate 13 can be dragged to move upwards to keep the communication between the air supply device 3 and the inside of the cabinet 1, so that the air supply device 3 can send outside air into the cabinet 1, cooling in the cabinet 1 is realized, after a fire breaks out in the cabinet 1, the temperature rises, at first, fusing of the pull rope 14 is realized, the baffle plate 13 slides vertically downwards, the cabinet 1 is isolated from the outside by the baffle plate 13, oxygen input is blocked, meanwhile, the temperature continues to rise along with the flame temperature, the temperature is higher than the rupture temperature of the temperature sensing glass bubbles 121, the temperature sensing glass bubbles 121 are ruptured, inert gas in the gas containing part is discharged downwards, the combustion condition in the cabinet 1 is blocked at a higher speed, and fire extinguishment in the cabinet 1 can be realized.
Referring to fig. 3 and 4, a plurality of lock posts 21 are horizontally connected in the two cabinet doors 2 in a sliding manner, one ends of the lock posts 21 in the two cabinet doors 2 close to each other can extend out of one side of the two cabinet doors 2 close to each other, a lock groove 22 is formed in the position of each cabinet door 2 corresponding to the lock post 21 of the other cabinet door 2, and the lock posts 21 can be inserted into the lock grooves 22 of the other cabinet door 2 along with the sliding of the lock posts 21 of the one cabinet door 2; one side of each cabinet door 2 corresponding to the lock post 21 is horizontally provided with a first push spring 23 which is fixedly connected between the cabinet door 2 and the lock post 21, and in a normal state, the first push spring 23 can push the lock post 21 to move towards the lock groove 22 of the other cabinet door 2.
Referring to fig. 3 and 4, a safety rope 24 is disposed on one side of each cabinet door 2 corresponding to the lock cylinder 21, the safety rope 24 is fixed between the cabinet door 2 and the lock cylinder 21, a communicating groove 241 (refer to fig. 5) is disposed on the inner side of the cabinet door 2, the communicating groove 241 can ensure that the safety rope 24 is exposed in the cabinet body 1, and in a normal state, the safety rope 24 can pull the lock cylinder 21, so that the lock cylinder 21 cannot be inserted into the corresponding lock groove 22 of another cabinet door 2.
Referring to fig. 5 and 6, a plurality of ventilation holes 25 penetrating through the cabinet door 2 are formed in the position of the cabinet door 2 corresponding to each lock post 21, and a plurality of circulation holes 211 are formed in each lock post 21, so that when the lock posts 21 are pulled by the safety rope 24, the circulation holes 211 and the ventilation holes 25 can be communicated, and when the lock posts 21 are inserted into the lock grooves 22, the ventilation holes 25 and the circulation holes 211 are staggered. In a normal state, the ventilation holes 25 are communicated with the ventilation holes 211, external air can enter the cabinet body 1, and the air in the cabinet body 1 can also circulate to the outside, so that heat dissipation and ventilation in the cabinet body 1 can be realized by matching with the air supply device 3, but after spontaneous combustion in the cabinet body 1, the safety rope 24 is blown by flame, the lock posts 21 are pushed by the first push springs 23, the lock posts 21 in the cabinet doors 2 are made to slide and be inserted into the corresponding lock grooves 22 in the other cabinet door 2, on one hand, staggering of the ventilation holes 211 and the ventilation holes 25 is realized, separation between the outside and the inside of the cabinet body 1 is realized, air inlet and outlet are blocked, and on the other hand, the lock posts 21 are matched with the lock grooves 22 to further lock the cabinet doors 2.
Referring to fig. 6 and 7, the groove 4 that resets has all been seted up to the length direction middle part position that each lock post 21 is corresponded in the outside of each cabinet door 2, and cabinet door 2 corresponds the position that resets groove 4 and articulates has the locking plate 41 that can shelter from the groove 4 that resets, be provided with the safety lock between locking plate 41 and the cabinet door 2, when opening locking plate 41, can expose the middle part that corresponds all lock posts 21 of cabinet door 2 simultaneously through the groove 4 that resets, cabinet door 2 corresponds the position that resets groove 4 and articulates has the locking plate 41 that can shelter from the groove 4 that resets.
Referring to fig. 6 and 7, the equal rigid coupling in position that each lock post 21 is global to reset groove 4 has a bead 212, the equal vertical reset plate 5 that is provided with in one side that is close to each other in the reset groove 4 of two cabinet doors 2, the both ends of reset plate 5 can butt in the upper and lower both ends face of reset groove 4, and two reset plates 5 all slide along the level and connect in reset groove 4, butt groove 51 has all been seted up to the position that reset plate 5 corresponds each lock post 21, each lock post 21 can pass corresponding butt groove 51, and each butt groove 51 can butt in corresponding lock post 21 global, the arc mouth size in butt groove 51 is less than the size of bead 212 portion of lock post 21 simultaneously. The upper and lower both ends that keep away from one side each other of the groove 4 that resets of two cabinet doors 2 are all vertical to be provided with spacing fender protruding 26, and spacing fender protruding 26 is equal vertical to slide and is connected in cabinet door 2, and corresponds the equal rigid coupling of one end that each spacing fender protruding 26 kept away from groove 4 that resets in cabinet door 2 and has pushed away spring two 27, and under the normality, it can promote spacing protruding tip to insert and locate groove 4 that resets to push away spring two 27. Each limiting block protrusion 26 is provided with an arc-shaped surface 261 at one end capable of extending out of the reset groove 4, and the arc-shaped surface 261 faces one side of the two reset grooves 4 close to each other.
Referring to fig. 6 and 7, when opening locking plate 41 and needing to reset each lock post 21, direct drag reset plate 5 drives each lock post 21 and tends to keep away from the direction that corresponds locked groove 22 and slide, because the butt groove 51 butt of reset plate 5 is in the global of lock post 21, and the arc mouth size of butt groove 51 is less than the size of the bead 212 portion of lock post 21, consequently, drag reset plate 5 and slide, can drive and drive each lock post 21 and slide simultaneously, and during the reset plate 5 that slides, can directly promote spacing fender protruding 26 through arcwall face 261 and retract, thereby make reset plate 5 cross spacing fender protruding 26, can make spacing fender protruding 26 spacing to reset plate 5 carry on spacingly, thereby restrict the position of each lock post 21, be convenient for opening of cabinet door 2.
The implementation principle of a switch board of this application embodiment does: under the normality, through the pulling of stay cord 14 shielding plate 13, can drag shielding plate 13 upward movement and keep the intercommunication of air supply equipment 3 with the internal portion of cabinet, consequently, air supply equipment 3 can send into external wind to the internal 1 of cabinet, realize the cooling to the internal 1 of cabinet, after the internal fire of cabinet 1, the temperature rises, at first realize the fusing of stay cord 14, shielding plate 13 will vertically slide downwards, through shielding plate 13 to the isolated of the internal 1 of cabinet and the external world, block the input of oxygen, simultaneously, continue to rise along with flame temperature, be greater than the rupture temperature of temperature sensing glass bubble 121, temperature sensing glass bubble 121 takes place to break, the inert gas in the gas holding portion discharges downwards, the burning condition in the internal 1 of cabinet of more fast separation, can realize the inside fire extinguishing of the cabinet body 1.
In addition, under the normality, bleeder vent 25 communicates with circulation hole 211, the air of the external world can get into cabinet 1, the air in the cabinet 1 also can circulate to the external world, thereby can cooperate air supply equipment 3 to realize the heat dissipation ventilation in the cabinet 1, but after the spontaneous combustion in the cabinet 1, flame burns out safety rope 24, lock post 21 will receive the thrust of pushing spring one 23, make lock post 21 in cabinet door 2 slide and insert and locate in the corresponding lock groove 22 in another cabinet door 2, realize staggering of circulation hole 211 and bleeder vent 25 on the one hand, realize the external world and the interior wall of cabinet 1, the business turn over of separation air, on the other hand lock post 21 and lock groove 22 cooperate further locking cabinet door 2.
When opening locking plate 41 and needing to reset each lock post 21, direct drive the board 5 that resets and drive each lock post 21 and tend to keep away from the direction that corresponds locked groove 22 and slide, because the butt groove 51 butt of the board 5 that resets in the global of lock post 21, and the arc mouth size of butt groove 51 is less than the size of the bead 212 portion of lock post 21, therefore, it slides to drive the board 5 that resets, can drive each lock post 21 and slide simultaneously, and when the board 5 that resets slides, can directly promote spacing fender protruding 26 through arcwall 261 and retract, thereby make the board 5 that resets cross spacing fender protruding 26, can make spacing fender protruding 26 spacing carry out spacingly to the board 5 that resets, thereby restrict the position of each lock post 21, be convenient for opening of cabinet door 2.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a power distribution cabinet, includes cabinet body (1) and two cabinet doors (2) that can seal cabinet body (1), its characterized in that: the top of the cabinet body (1) is provided with a gas containing part capable of containing inert gas, the inner top surface of the cabinet body (1) is further provided with an air passage (12) communicated with the gas containing part and the inside of the cabinet body (1), one end of the air passage (12) communicated with the inside of the cabinet body (1) is provided with a temperature sensing glass bubble (121) capable of sealing the air passage (12) under a normal state, two ends of the cabinet body (1) are respectively provided with an air supply device (3) communicated with the outside, the inner wall of the cabinet body (1) is provided with a shielding plate (13) capable of blocking the air supply device (3) from being communicated with the inside of the cabinet body (1) along with downward sliding, the upper side of the shielding plate (13) corresponding to the inside of the cabinet body (1) is provided with a pull rope (14) capable of dragging the shielding plate (13) to move to keep the air supply device (3) communicated with the inside of the cabinet body (1) under the normal state, the pull rope (14) is a fusible rope, and the melting point of the fusible rope is lower than the fracture temperature sensing glass bubble (121);
one sides of the two cabinet doors (2) far away from each other are hinged to the cabinet body (1), and the cabinet body (1) can be closed when the sides of the two cabinet doors (2) close to each other are abutted; a plurality of lock posts (21) with end parts capable of extending out of one side of the two cabinet doors (2) close to each other are connected in the two cabinet doors (2) in a sliding manner, and lock grooves (22) capable of inserting the lock posts (21) are formed in the positions, corresponding to the lock posts (21) of the other cabinet door (2), of the cabinet doors (2); each cabinet door (2) is internally provided with a first push spring (23) which can push a lock column (21) to move towards the lock groove (22) of the other cabinet door (2) in a normal state, each cabinet door (2) is internally provided with a safety rope (24) which can pull the lock column (21) in a normal state to keep the lock column (21) from being inserted into the corresponding lock groove (22), and the safety rope (24) is a fusible rope and can be exposed in the cabinet body (1);
each reset groove (4) that can expose all lock posts (21) simultaneously are all seted up in the outside of cabinet door (2), each lock post (21) is global to have all rigid couplings in the position of resetting groove (4) to reset all, and the one side that is close to each other in the groove (4) that resets of two cabinet doors (2) all is provided with reset plate (5), and two reset plate (5) all slide along the direction of sliding of lock post (21) and connect in resetting groove (4), reset plate (5) correspond the position of each lock post (21) and all seted up butt groove (51) that can butt in lock post (21) is global, and the arc mouth in butt groove (51) is less than the size of bead (212) portion of lock post (21).
2. A switch board according to claim 1, characterized in that: the position that cabinet door (2) correspond each lock post (21) all opens bleeder vent (25) that run through cabinet door (2), and circulation hole (211) have all been seted up to each lock post (21), circulation hole (211) and bleeder vent (25) can communicate and bleeder vent (25) stagger when lock post (21) are inserted and are located lock groove (22) when lock post (21) are drawn to hold the state by safety rope (24).
3. A switch board according to claim 1, characterized in that: the cabinet body (1) is provided with a first fireproof expansion strip capable of being abutted against the cabinet door (2) in a normal state at a position corresponding to the cabinet door (2), and a second fireproof expansion strip is arranged between the two cabinet doors (2).
4. A switch board according to claim 1, characterized in that: the position of the cabinet door (2) corresponding to the reset groove (4) is hinged with a locking plate (41) capable of shielding the reset groove (4).
5. A switch board according to claim 1, characterized in that: the upper end and the lower end of one side, far away from each other, of the reset groove (4) of the cabinet door (2) are connected with limit baffle protrusions (26) in a sliding mode, and a second push spring (27) capable of pushing the end portion of the limit baffle protrusion (26) to be inserted into the reset groove (4) in a normal state is arranged in the cabinet door (2).
6. A switch board of claim 5, characterized in that: the side, close to each other, of the limiting blocking protrusions (26) of the two reset grooves (4) is provided with an arc-shaped surface (261).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444045.8A CN113097903B (en) | 2021-04-23 | 2021-04-23 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444045.8A CN113097903B (en) | 2021-04-23 | 2021-04-23 | Power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN113097903A CN113097903A (en) | 2021-07-09 |
| CN113097903B true CN113097903B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110444045.8A Active CN113097903B (en) | 2021-04-23 | 2021-04-23 | Power distribution cabinet |
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| Country | Link |
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| CN (1) | CN113097903B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133411B (en) * | 2022-08-31 | 2022-12-02 | 广东中兴电器开关股份有限公司 | Alternating-current low-voltage power distribution cabinet capable of being intelligently regulated and controlled |
| CN117858411A (en) * | 2023-11-24 | 2024-04-09 | 浙江海卫科技股份有限公司 | Cabinet door sealing structure of charging cabinet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101775793B1 (en) * | 2015-11-18 | 2017-09-06 | 한국수력원자력 주식회사 | Automatic closing apparatus for heat exhaust opening of electrical equipment cabinet |
| CN205457260U (en) * | 2016-03-04 | 2016-08-17 | 江苏埃德伯格电气有限公司 | Intelligence dangerization article fire and explosion protection safety cabinet system |
| CN210783533U (en) * | 2019-05-13 | 2020-06-19 | 无锡华纳威尔金属制造有限公司 | Safety cabinet |
| CN210577112U (en) * | 2019-09-20 | 2020-05-19 | 泉州市鑫盛电气设备有限公司 | Novel switch board of high security |
| CN210806496U (en) * | 2019-11-16 | 2020-06-19 | 西安新合电器设备有限公司 | Power cabinet |
| CN111270964B (en) * | 2020-01-20 | 2021-07-20 | 重庆峨克门窗幕墙工程有限公司 | Fire-resistant window |
| CN212304337U (en) * | 2020-06-03 | 2021-01-05 | 北京达三江电器设备厂 | Fire elevator block terminal |
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