CN113612121A - Switch board with automatic fire extinguishing device - Google Patents
Switch board with automatic fire extinguishing device Download PDFInfo
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- CN113612121A CN113612121A CN202111048208.7A CN202111048208A CN113612121A CN 113612121 A CN113612121 A CN 113612121A CN 202111048208 A CN202111048208 A CN 202111048208A CN 113612121 A CN113612121 A CN 113612121A
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- conductive contact
- fire
- fire extinguishing
- switch
- cabinet
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- 230000007480 spreading Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 description 9
- 239000000779 smoke Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
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- 238000004804 winding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 238000009434 installation Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Classifications
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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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention belongs to the technical field of power distribution safety, and discloses a power distribution cabinet with an automatic fire extinguishing device. The power distribution cabinet with the automatic fire extinguishing device comprises a cabinet body, a fire detection piece, an action mechanism and a fire extinguishing mechanism, wherein an electric element is detachably mounted on the inner wall of one side of the cabinet body; the fire detection piece is used for detecting whether electrical fire exists in the cabinet body; the actuating mechanism comprises a driving assembly and connecting pieces, the connecting pieces are arranged in one-to-one correspondence with the electric elements and connected with the electric elements, the driving assembly is configured to be automatically started when the fire detection piece detects that the electric fire exists, and the driving assembly drives the connecting pieces to drag the electric elements so as to enable the electric elements to be separated from the inner wall of the cabinet body; the fire extinguishing mechanism is used for automatically opening after the fire detection piece detects that the electrical fire exists so as to extinguish the fire of the electrical element. The power distribution cabinet with the automatic fire extinguishing device can effectively avoid fire spreading and reduce fire loss to the maximum extent.
Description
Technical Field
The invention relates to the technical field of power distribution safety, in particular to a power distribution cabinet with an automatic fire extinguishing device.
Background
The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops. The power distribution cabinet distributes the electric energy of a certain circuit of the upper-level power distribution equipment to nearby loads. The switch board provides protection, monitoring and control to the load.
When the power distribution cabinet is used, if the internal electric elements are in an overload working state for a long time, the phenomenon of short circuit can easily occur, and the electric elements are easily burnt out due to heating; some outdoor switch boards receive the direct irradiation of the sun or the reflection of ground heat, often lead to the heat that equipment during operation produced in the switch board to be difficult to in time spill, sometimes the incasement temperature can reach 60 ℃ or even higher, so high temperature causes electrical apparatus coil to be punctured easily and burns out, easily causes serious accidents such as conflagration.
Among the prior art, extinguishing device such as fire extinguisher is often used and is put out a fire to the switch board on fire, if put out a fire untimely, the switch board on fire probably ignites the switch board on every side, causes the condition of a fire to stretch, enlarges the loss of fire.
Disclosure of Invention
The invention aims to provide a power distribution cabinet with an automatic fire extinguishing device, which is used for extinguishing a fire of a power distribution cabinet on fire, so that the power distribution cabinet on fire is prevented from igniting the power distribution cabinet around the fire, the fire is prevented from spreading, and the fire loss is enlarged.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power distribution cabinet with automatic fire extinguishing apparatus, comprising:
the electric cabinet comprises a cabinet body, wherein an electric element is detachably mounted on the inner wall of one side of the cabinet body;
the ignition detection piece is used for detecting whether electrical ignition exists in the cabinet body;
the actuating mechanism comprises a driving assembly and connecting pieces, the connecting pieces are arranged in a one-to-one correspondence manner and connected with the electric elements, the driving assembly is configured to be automatically opened when the fire detection piece detects that the electric fire exists, and the connecting pieces are driven to drag the electric elements so as to enable the electric elements to be separated from the inner wall of the cabinet body;
a fire extinguishing mechanism for automatically opening to extinguish the electrical component after the fire detection member detects the presence of the electrical fire.
Optionally, the drive assembly includes a rotation member and a motor, the rotation member is connected with the motor in a transmission manner, the rotation member is rotatably disposed in the cabinet body, the first end of the connection member is wound on the rotation member, and the second end of the connection member is connected with the electrical element.
Optionally, the rotating part comprises a rotating shaft and a rotating drum fixedly sleeved on the outer side of the rotating shaft, the rotating shaft is connected with an output shaft of the motor, and the first end of the connecting part is wound on the rotating drum.
Optionally, the second end of the connector is provided with a clamping plate, and the clamping plate and the electric element are mutually clamped.
Optionally, the fire detection member is connected in series with the driving assembly to a first control circuit, the fire detection member is a first switching member having a first off state that opens the first control circuit and a first on state that turns on the first control circuit, and the first switching member is switched from the first off state to the first on state when the electrical fire acts on the first switching member.
Optionally, the first switch includes a first conductive contact block and a second conductive contact block respectively connected in series to the first control circuit, an air bag is sandwiched between the first conductive contact block and the second conductive contact block, and the air bag is made of a flammable material and is disposed close to the electrical element;
when the airbag is in an inflated state, the first conductive contact block and the second conductive contact block are not in contact, and the first switch piece is in the first disconnected state; when the air bag is burnt by the electric fire, the first conductive contact block is abutted with the second conductive contact block, and the first switch piece is in the first conduction state.
Optionally, the first switch further includes a guide rod, and the first conductive contact block and the second conductive contact block are slidably sleeved on the guide rod; and/or the presence of a gas in the gas,
the first switch member further includes an elastic member for applying an elastic force urging the first conductive contact block and the second conductive contact block to approach each other.
Optionally, the actuating mechanism further comprises a fixing rod, the fixing rod is fixedly arranged on the inner wall of the cabinet body, a guide ring is sleeved on the fixing rod, and the connecting piece is slidably arranged in the guide ring in a penetrating manner.
Optionally, the fire extinguishing mechanism includes a second switch and a fire extinguishing member, the second switch and the fire extinguishing member are connected in series to a second control circuit, the second switch has a second off state for turning off the second control circuit and a second on state for turning on the second control circuit, and when the electrical element is separated from the inner wall of the cabinet body, the second switch is switched from the second off state to the second on state.
Optionally, the second switch includes a third conductive contact block and a fourth conductive contact block, the third conductive contact block is disposed on the connecting member, the fourth conductive contact block is disposed on the guide ring, the third conductive contact block can slide along with the connecting member to contact with the fourth conductive contact block, and when the third conductive contact block contacts with the fourth conductive contact block, the second switch is turned on by the second switch.
The invention has the beneficial effects that: according to the power distribution cabinet with the automatic fire extinguishing device, the ignition detection piece is arranged, the ignition detection piece can detect whether electrical ignition exists in the cabinet body, when the ignition detection piece detects that electrical ignition exists in the cabinet body, the driving assembly can be automatically started, and the connecting piece is driven to drag the electrical element, so that the electrical element is separated from the inner wall of the cabinet body, the fire is prevented from spreading to the surrounding power distribution cabinet, and therefore fire loss is reduced; through setting up the mechanism of putting out a fire, the mechanism of putting out a fire is used for opening automatically after the detection piece that catches fire detects that there is electric to catch fire to the electric elements puts out a fire, has avoided stretching of condition of a fire, has reduced the loss of fire furthest.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution cabinet with an automatic fire extinguishing apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is an assembly diagram of a fourth conductive contact and a guide ring according to a first embodiment of the invention.
In the figure:
1. a cabinet body;
2. a first switching member; 21. a first conductive contact; 22. a second conductive contact; 23. an elastic member; 24. an air bag; 25. a guide bar; 26. a fastener;
3. an actuating mechanism; 31. a drive assembly; 311. a rotating member; 3111. a rotating shaft; 3112. a rotating drum; 312. a motor; 32. a connecting member; 33. fixing the rod; 34. a guide ring; 35. a clamping and connecting plate;
4. a fire extinguishing mechanism; 411. a third conductive contact; 412. a fourth conductive contact; 42. a fire extinguishing member; 421. a fire extinguisher; 422. a nozzle; 423. spraying a cover;
5. a base;
6. a support rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides a switch board with automatic fire extinguishing device, this switch board with automatic fire extinguishing device includes the cabinet body and automatic fire extinguishing device, installs electrical component on the cabinet body, and electrical component is used for realizing power distribution, and automatic fire extinguishing device is used for separating electrical component and the cabinet body when electrical component is on fire to put out a fire to electrical component, avoid the condition of a fire to stretch to switch board on every side, enlarge the fire loss.
As shown in fig. 1, the power distribution cabinet with the automatic fire extinguishing device comprises a cabinet body 1, a fire detection piece, an actuating mechanism 3 and a fire extinguishing mechanism 4, wherein an electric element is detachably mounted on the inner wall of one side of the cabinet body 1, and the fire detection piece is used for detecting whether an electric fire exists in the cabinet body 1; the actuating mechanism 3 comprises a driving assembly 31 and a connecting piece 32, wherein the connecting piece 32 is arranged and connected with the electric elements in a one-to-one correspondence manner, the driving assembly 31 is configured to be automatically opened when the fire detection piece detects that the electric fire exists, and the connecting piece 32 is driven to drag the electric elements so as to separate the electric elements from the inner wall of the cabinet body 1; the fire extinguishing mechanism 4 is adapted to be automatically opened to extinguish the electrical component after the fire detection member detects the presence of the electrical fire.
According to the power distribution cabinet with the automatic fire extinguishing device, the ignition detection piece is arranged, the ignition detection piece can detect whether electrical ignition exists in the cabinet body 1, when the ignition detection piece detects that electrical ignition exists in the cabinet body 1, the driving assembly 31 can be automatically started, and the connecting piece 32 is driven to drag an electrical element, so that the electrical element is separated from the inner wall of the cabinet body 1, the fire is prevented from spreading to the surrounding power distribution cabinet, and the fire loss is enlarged; through setting up fire extinguishing mechanism 4, fire extinguishing mechanism 4 is used for opening automatically after the detection piece that catches fire detects that there is the electric fire to put out a fire to electric component has avoided stretching of condition of a fire, has reduced the loss of fire furthest.
With continued reference to fig. 1, specifically, the driving assembly 31 includes a rotating member 311 and a motor 312, the rotating member 311 is in transmission connection with the motor 312, the rotating member 311 is rotatably disposed in the cabinet 1, a first end of the connecting member 32 is wound on the rotating member 311, and a second end of the connecting member 32 is connected with the electrical element. When drive assembly 31 is opened, the rotation of motor 312 drives and rotates piece 311 and rotates to drive and rotate the winding of piece 311 on rotating piece 311, and then make connecting piece 32 drag electric elements and keep away from the inner wall of the cabinet body 1, through setting up connecting piece 32, when electric catches fire, can conveniently drag electric elements from the inner wall of the cabinet body 1 in a flexible way, in time avoided the conflagration to stretch. In this embodiment, the connecting member 32 is a steel wire, and the steel wire is wrapped with nylon. In other embodiments, the connector 32 may be made of other materials that are relatively flexible and non-combustible.
Alternatively, the rotating member 311 includes a rotating shaft 3111 and a drum 3112 fixed on the outer side of the rotating shaft 3111, the rotating shaft 3111 is connected to the output shaft of the motor 312, the first end of the connecting member 32 is wound around the drum 3112, and the drum 3112 is preferably provided in plural in the axial direction of the rotating shaft 3111. In the actual use process, a plurality of electrical elements are often arranged in one power distribution cabinet, and a plurality of connecting pieces 32 can be simultaneously installed on one rotating shaft 3111 by arranging a plurality of rotating drums 3112 on the rotating shaft 3111, so that the space is saved, and the dragging efficiency is improved; and the setting of the rotary drum 3112 makes things convenient for changing after the rotary drum 3112 wears out, reduces the maintenance and the replacement cost of rotating part 311.
For improving the winding reliability of connecting piece 32, the rotary drum 3112 includes the barrel and protruding spacing ring portion of establishing at the barrel both ends, and the external diameter of spacing ring portion is greater than the external diameter of barrel for winding connecting piece 32 is located between two spacing ring portions, avoids connecting piece 32 to separate with rotary drum 3112 in the winding, avoids producing simultaneously and interferes between two adjacent connecting pieces 32.
Optionally, a plurality of rotating pieces 311 are arranged in the cabinet body 1, and the rotating pieces 311 are all arranged in the vertical direction, or the rotating pieces 311 are all arranged in the horizontal direction. For example, referring to fig. 1, in order to ensure that all the electrical components in the cabinet 1 are connected to the connecting member 32, a plurality of rotating members 311 are arranged in a vertical direction, and the rotating members 311 are parallel to a surface of the cabinet 1 on which the electrical components are mounted. Preferably, the extending direction of the connecting member 32 is perpendicular to the axial direction of the rotating member 311, so that when the connecting member 32 pulls the electric element, a pulling force can be directly applied to the electric element.
Optionally, the second end of the connector 32 is provided with a clamping plate 35, and the clamping plate 35 and the electrical component are clamped with each other. In order to ensure that the electrical component can be completely separated from the inner wall of the cabinet 1 when the electrical component is dragged by the connector 32, the connector 32 is engaged with the electrical component through the engaging plate 35. In this embodiment, the clamping plate 35 is a U-shaped structure, two side walls of the clamping plate 35 are respectively located at two sides of the electrical component, two side walls of the clamping plate 35 are respectively provided with protrusions, the protrusions are mutually clamped with the bottom wall of the electrical component, fastening screws penetrating through the two side walls are arranged on the clamping plate 35, and the electrical component is located between the bottom wall of the clamping plate 35 and the fastening screws so as to ensure that the connecting piece 32 thoroughly separates the electrical component from the inner wall of the cabinet body 1.
In order to improve the stability of the connecting member 32 when dragging the electrical component, the actuating mechanism 3 further includes a fixing rod 33, the fixing rod 33 is fixedly arranged on the inner wall of the cabinet body 1, a guide ring 34 is sleeved on the fixing rod 33, and the connecting member 32 is slidably arranged through the guide ring 34. The guide rings 34 are provided in plurality at intervals along the length direction of the fixing rod 33, and each guide ring penetrates through a connecting member 32. By providing the guide ring 34, when the connecting member 32 pulls the electrical component away from the inner wall of the cabinet 1, the stability of the movement of the connecting member 32 is improved, the plurality of connecting members 32 have directionality when pulling the corresponding electrical component together, and the plurality of connecting members 32 are prevented from being wound when moving together. Preferably, the fixing rod 33 is parallel to and spaced apart from the rotation member 311, and the fixing rod 33 is located between the rotation member 311 and the electric element.
Further, a fire detection member is connected in series with the driving assembly 31 into the first control circuit, the fire detection member is a first switching member 2, the first switching member 2 has a first off state for turning off the first control circuit and a first on state for turning on the first control circuit, and when an electrical fire acts on the first switching member 2, the first switching member 2 is switched from the first off state to the first on state. In the practical application process, when the fire detection component detects an electrical fire, the first switch component 2 is switched from the first off state to the first on state, the first control circuit is turned on to start the driving component 31, and the driving component 31 drives the connecting component 32 to pull the electrical element, so that the electrical element is separated from the inner wall of the cabinet body 1, and the fire is prevented from spreading to the surrounding power distribution cabinets.
As shown in fig. 1 and 2, the first switching element 2 includes a first conductive contact 21 and a second conductive contact 22 respectively connected in series to the first control circuit, an air bag 24 is interposed between the first conductive contact 21 and the second conductive contact 22, and the air bag 24 is made of an inflammable material and is disposed close to an electrical element; when the air bag 24 is in an inflated state, the first conductive contact block 21 and the second conductive contact block 22 are not in contact, and the first switch part 2 is in a first disconnected state; when the airbag 24 is burnt by an electrical fire, the first conductive contact 21 and the second conductive contact 22 abut, and the first switch member 2 is in the first conduction state. In the actual use process, the air bag 24 is close to the electric element, when the electric element catches fire, the air bag 24 is burnt, the first conductive contact block 21 and the second conductive contact block 22 are abutted, the first control circuit is conducted by the first switch part 2, the driving assembly 31 is started, the driving assembly 31 drives the connecting piece 32 to drag the electric element, the electric element which catches fire is dragged away from the inner wall of the cabinet body 1 in time, the fire spreading is avoided, and the fire loss is enlarged. In this embodiment, the first conductive contact 21 and the second conductive contact 22 are both made of copper material.
Further, the first switch 2 further includes a guide rod 25, and the first conductive contact block 21 and the second conductive contact block 22 are slidably disposed on the guide rod 25. By slidably sleeving the first conductive contact block 21 and the second conductive contact block 22 on the guide rod 25, when the airbag 24 is burnt, the first conductive contact block 21 and the second conductive contact block 22 can rapidly and timely slide to be in contact with each other, so that the first control circuit is rapidly started, and the contact reliability of the first conductive contact block 21 and the second conductive contact block 22 is ensured. Preferably, the air bag 24 is sleeved on the guide rod 25, so that the air bag 24 is convenient to mount and fix, and the arrangement stability of the air bag 24 is improved.
Optionally, one end of the guide rod 25 may be connected to the clamping plate 35 or the connecting member 32 through a connecting rope, and the other end of the guide rod 25 may be connected to the connecting member 32 through a connecting rope, or both ends of the guide rod 25 may be connected to the clamping plate 35 through a connecting rope, and the installation position of the first switch member 2 is not limited in this embodiment, as long as it is ensured that the airbag 24 is disposed near the electrical component. The arrangement of the connecting rope can conveniently install the guide rod 25 on the clamping plate 35 or the connecting piece 32, and the operation is simple. Furthermore, the connecting rope is a steel wire, and the steel wire is coated with nylon. In other embodiments, the connector 32 may be made of a material selected for strength and non-flammability.
Optionally, the first switch 2 further includes an elastic member 23, and the elastic member 23 is configured to apply an elastic force for urging the first conductive contact 21 and the second conductive contact 22 to approach each other. When the electrical element is on fire, the air bag 24 is burnt, and the elastic member 23 exerts an elastic force to urge the first conductive contact 21 and the second conductive contact 22 to approach each other, so as to urge the first conductive contact 21 and the second conductive contact 22 to contact, and to conduct the first control circuit in time.
Specifically, the elastic member 23 includes a first elastic member and a second elastic member, the first elastic member and the second elastic member are respectively sleeved at two ends of the guide rod 25, and the first elastic member and the second elastic member are respectively abutted against the first conductive contact block 21 and the second conductive contact block 22. By arranging the elastic members 23 at the two ends of the guide rod 25, when the airbag 24 is burnt, the first conductive contact block 21 and the second conductive contact block 22 are respectively subjected to a force for urging the two to approach each other, so that the first switch 2 is rapidly turned on in time. In this embodiment, the first and second elastic members are both springs, and both are in a compressed state when the airbag 24 is not burned. In other embodiments, one skilled in the art can select the type of the elastic member 23 according to the specific application.
Alternatively, the fastening member 26 is provided on the outer side of the elastic member 23, and the first fastening member and the second fastening member are provided on the outer sides of the first elastic member and the second elastic member, respectively. The arrangement of the fastening member 26 can effectively prevent the elastic member 23 from being separated from the guide rod 25. In this embodiment, the two ends of the guide rod 25 are provided with threaded sections, and the fastening member 26 is a nut screwed on the threaded sections. By providing the nut, the elastic member 23 is prevented from falling off the guide rod 25.
In the embodiment, the guide rod 25 is horizontally arranged, and the elastic piece 23 is arranged to promote the first conductive contact block 21 and the second conductive contact block 22 to be in contact with each other quickly and reliably. However, it is understood that in other embodiments, the elastic member 23 may not be provided, for example, the first conductive contact block 21 and the second conductive contact block 22 may be vertically disposed, the first conductive contact block 21 is disposed on the upper portion of the airbag 24, the second conductive contact block 22 is disposed on the lower portion of the airbag 24, and when the airbag 24 is burnt, the first conductive contact block 21 moves downward under the action of gravity to abut against the second conductive contact block 22.
Further, the fire extinguishing mechanism 4 includes a second switching piece and the fire extinguishing piece 42, the second switching piece and the fire extinguishing piece 42 are connected in series into the second control circuit, the second switching piece has a second off state of disconnecting the second control circuit and a second on state of conducting the second control circuit, and when the electric element is separated from the inner wall of the cabinet 1, the second switching piece is switched from the second off state to the second on state. In practical application, when the fire detector detects that there is an electrical fire, the driving assembly 31 is automatically turned on, the driving connector 32 pulls the electrical component, so that the electrical component is separated from the inner wall of the cabinet 1, after the electrical component is separated from the inner wall of the cabinet 1, the second switch is turned on to conduct the second control circuit, and the fire extinguishing member 42 is turned on to extinguish the electrical component. Through setting up the second switch spare, improved the opening speed of mechanism 4 of putting out a fire, made the piece 42 of putting out a fire in time make the feedback, put out a fire to electrical component.
Specifically, as shown in fig. 1 and 3, the second switch includes a third conductive contact 411 and a fourth conductive contact 412, the third conductive contact 411 is disposed on the connecting member 32, the fourth conductive contact 412 is disposed on the guide ring 34, the third conductive contact 411 can slide along with the connecting member 32 to contact with the fourth conductive contact 412, and when the third conductive contact 411 contacts with the fourth conductive contact 412, the second switch turns on the second control circuit. In this embodiment, in an actual application process, the third conductive contact 411 is disposed on the connecting member 32, when the connecting member 32 pulls the electrical component away from the inner wall of the cabinet 1, the third conductive contact 411 moves along the guide ring 34 along with the connecting member 32, the fourth conductive contact 412 is disposed on the guide ring 34, and when the third conductive contact 411 contacts the fourth conductive contact 412, the second control circuit is turned on by the second switch. In this embodiment, the third conductive contact 411 and the fourth conductive contact 412 are made of copper. This kind of structure setting of second switch spare can make electrical switch dragged just start the piece 42 of putting out a fire after to with the separation of the cabinet body 1 and put out a fire, and is favorable to pulling electrical switch just starting the piece 42 of putting out a fire after the jet just right position of the piece 42 of putting out a fire more and put out a fire, guarantees the concentration of putting out a fire of piece 42 of putting out a fire, improves fire control effect, and reduces the mounted position requirement to the piece 42 of putting out a fire, improves the installation flexibility of the piece 42 of putting out a fire.
Optionally, the fire extinguishing member 42 includes a fire extinguisher 421, a spraying pipe 422 and a spraying cover 423, the fire extinguisher 421 is disposed on the outer wall of the cabinet 1, the spraying pipe 422 is disposed through the cabinet 1, the spraying cover 423 is disposed at the end of the spraying pipe 422, and the spraying cover 423 is located inside the cabinet 1. Specifically, the spray cover 423 has a tapered structure, and the large end of the tapered structure faces the inside of the cabinet 1. In this embodiment, the spraying cover 423 is disposed near the fixing rod 33, and when the second switch member is closed and the electric element on fire moves below the spraying cover 423, the fire extinguishing member 42 can directly extinguish the fire of the electric element, thereby improving the fire extinguishing efficiency.
Optionally, this switch board with automatic fire extinguishing device still includes base 5 and bracing piece 6, and bracing piece 6 is located between cabinet body 1 and base 5. Through setting up base 5 and bracing piece 6, can raise the cabinet body 1 according to the height of specific switch board, enlarged the range of application.
Example two
The embodiment provides another kind of switch board that has automatic fire extinguishing device, and the basic structure that has automatic fire extinguishing device's switch board that this embodiment provided is the same with embodiment one, and only partial structure exists the difference. The present embodiment will be described only with respect to a structure different from the first embodiment.
In this embodiment, the fire detection member is a smoke detector, and the smoke detector is disposed on the inner wall of the cabinet 1 and near the electric element. The smoke detector is configured to detect smoke inside the cabinet 1 when the electric element is on fire. By arranging the smoke detector, when an electrical fire occurs, the driving assembly 31 can be automatically started only by installing one smoke detector in the cabinet body 1, and the device is simplified.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a switch board with automatic fire extinguishing device which characterized in that includes:
the refrigerator comprises a cabinet body (1), wherein an electric element is detachably mounted on the inner wall of one side of the cabinet body (1);
a fire detection member for detecting whether there is an electrical fire in the cabinet (1);
the actuating mechanism (3) comprises a driving assembly (31) and a connecting piece (32), the connecting piece (32) is arranged and connected with the electric element in a one-to-one correspondence mode, the driving assembly (31) is configured to be automatically opened when the fire detection piece detects that the electric fire exists, and the connecting piece (32) is driven to drag the electric element so as to enable the electric element to be separated from the inner wall of the cabinet body (1);
a fire extinguishing mechanism (4), the fire extinguishing mechanism (4) being configured to automatically open to extinguish the electrical component after the fire detection member detects the presence of the electrical fire.
2. The switch board with automatic fire extinguishing device according to claim 1, characterized in that the driving assembly (31) comprises a rotating member (311) and a motor (312), the rotating member (311) is in transmission connection with the motor (312), the rotating member (311) is rotatably disposed in the cabinet body (1), a first end of the connecting member (32) is wound on the rotating member (311), and a second end of the connecting member (32) is connected with the electrical element.
3. The switch cabinet with automatic fire extinguishing device according to claim 2, characterized in that the rotating member (311) comprises a rotating shaft (3111) and a rotating drum (3112) fixedly sleeved outside the rotating shaft (3111), the rotating shaft (3111) is connected with the output shaft of the motor (312), and the first end of the connecting member (32) is wound on the rotating drum (3112).
4. The cabinet with automatic fire extinguishing apparatus according to claim 1, characterized in that the second end of the connector (32) is provided with a snap plate (35), the snap plate (35) and the electrical element being mutually snapped.
5. The cabinet with automatic fire extinguishing apparatus according to claim 1, characterized in that the fire detection member is connected in series with the drive assembly (31) into a first control circuit, the fire detection member is a first switch member (2), the first switch member (2) has a first open state for opening the first control circuit and a first conductive state for conducting the first control circuit, and the first switch member (2) is switched from the first open state to the first conductive state when the electrical fire acts on the first switch member (2).
6. The cabinet with automatic fire extinguishing apparatus according to claim 5, characterized in that the first switch member (2) comprises a first conductive contact block (21) and a second conductive contact block (22) respectively connected in series to the first control circuit, an air bag (24) being interposed between the first conductive contact block (21) and the second conductive contact block (22), the air bag (24) being made of flammable material and being arranged close to the electrical element;
when the airbag (24) is in an inflated state, the first conductive contact block (21) and the second conductive contact block (22) are not in contact, and the first switch member (2) is in the first disconnected state; when the air bag (24) is burnt by the electric fire, the first conductive contact block (21) and the second conductive contact block (22) are abutted, and the first switch piece (2) is in the first conduction state.
7. The cabinet with automatic fire extinguishing apparatus according to claim 6, wherein the first switch member (2) further comprises a guide rod (25), the first conductive contact block (21) and the second conductive contact block (22) are slidably sleeved on the guide rod (25); and/or the presence of a gas in the gas,
the first switch member (2) further comprises an elastic member (23), and the elastic member (23) is used for applying an elastic force for urging the first conductive contact block (21) and the second conductive contact block (22) to approach each other.
8. The switch board with automatic fire extinguishing device according to any one of claims 1 to 7, wherein the actuating mechanism (3) further comprises a fixing rod (33), the fixing rod (33) is fixedly arranged on the inner wall of the cabinet body (1), a guide ring (34) is sleeved on the fixing rod (33), and the connecting piece (32) is slidably arranged through the guide ring (34).
9. The cabinet with automatic fire extinguishing apparatus according to claim 8, wherein the fire extinguishing mechanism (4) comprises a second switch and a fire extinguishing member (42), the second switch and the fire extinguishing member (42) are connected in series to a second control circuit, the second switch has a second off state for disconnecting the second control circuit and a second on state for connecting the second control circuit, and the second switch is switched from the second off state to the second on state after the electrical element is separated from the inner wall of the cabinet body (1).
10. The cabinet with automatic fire extinguishing apparatus according to claim 9, characterized in that the second switch member comprises a third conductive contact (411) and a fourth conductive contact (412), the third conductive contact (411) being provided on the connecting member (32), the fourth conductive contact (412) being provided on the guide ring (34), the third conductive contact (411) being slidable with the connecting member (32) into contact with the fourth conductive contact (412), and the second switch member switches on the second control circuit when the third conductive contact (411) is in contact with the fourth conductive contact (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048208.7A CN113612121B (en) | 2021-09-08 | 2021-09-08 | Power distribution cabinet with automatic fire extinguishing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111048208.7A CN113612121B (en) | 2021-09-08 | 2021-09-08 | Power distribution cabinet with automatic fire extinguishing device |
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| Publication Number | Publication Date |
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| CN113612121A true CN113612121A (en) | 2021-11-05 |
| CN113612121B CN113612121B (en) | 2024-03-22 |
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| CN202111048208.7A Active CN113612121B (en) | 2021-09-08 | 2021-09-08 | Power distribution cabinet with automatic fire extinguishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889867A (en) * | 2021-11-06 | 2022-01-04 | 三峡大学 | Join in marriage net electric automatization switch board |
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| CN109888620A (en) * | 2019-03-07 | 2019-06-14 | 合肥智鼎电控自动化科技有限公司 | A kind of power distribution cabinet with fire-proof function |
| CN112803249A (en) * | 2020-12-31 | 2021-05-14 | 蒯苍帝 | High security switch board |
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2021
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| US20090188682A1 (en) * | 2006-10-09 | 2009-07-30 | Minimax Gmbh & Co. Kg | Fire extinguishing system for a casing |
| CN104505726A (en) * | 2014-12-02 | 2015-04-08 | 国家电网公司 | Automatic fire-proof power distribution cabinet |
| CN206274590U (en) * | 2016-11-07 | 2017-06-23 | 厦门市逢兴机电设备有限公司 | A kind of high-voltage intelligent power distribution cabinet |
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| Publication number | Publication date |
|---|---|
| CN113612121B (en) | 2024-03-22 |
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