CN110797781A - Power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss stopping - Google Patents
Power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss stopping Download PDFInfo
- Publication number
- CN110797781A CN110797781A CN201911312147.3A CN201911312147A CN110797781A CN 110797781 A CN110797781 A CN 110797781A CN 201911312147 A CN201911312147 A CN 201911312147A CN 110797781 A CN110797781 A CN 110797781A
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- China
- Prior art keywords
- plate
- sliding
- placing cavity
- cavity
- heat dissipation
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
-
- 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
Abstract
The invention discloses a power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss prevention, which comprises a cabinet body, wherein a placing cavity with an openable front side is arranged in the cabinet body, three vent holes which are distributed in an array from top to bottom are symmetrically formed in the inner walls of the left end and the right end of the placing cavity, and a ventilation device capable of preventing foreign matters from entering is arranged in each vent hole.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet device which can dissipate heat and monitor overload and stop loss in time.
Background
In the power distribution project, elements such as a transformer, an emergency stop switch and a control panel need to be assembled and disassembled in a power distribution cabinet. When the electronic element is electrified and overloaded, hot air is generated, and if the heat cannot be dissipated in time, a fire disaster is caused. After a fire disaster occurs, the fire can be extinguished in time only by the detection of staff, and the fire extinguishing device does not have active protection capability.
Moreover, the traditional power distribution cabinet body is an iron cabinet with a strip-shaped through hole, and dust, mice and the like can enter the interior through the opening to destroy internal electrical components. The invention discloses a device with self-protection and fire extinguishing capabilities.
Disclosure of Invention
The technical problem is as follows:
the conventional air vent of the power distribution cabinet is normally opened, so that dust or mice can easily enter the power distribution cabinet to damage electrical elements on a power distribution circuit, and in addition, the power distribution cabinet does not have the active fire extinguishing capability.
In order to solve the problems, the power distribution cabinet device with the functions of heat dissipation and overload and timely loss prevention monitoring is designed in the embodiment, the power distribution cabinet device with the functions of heat dissipation and overload and timely loss prevention comprises a cabinet body, a placing cavity with the front side capable of being opened and closed is arranged in the cabinet body, three vent holes distributed in an array manner from top to bottom are symmetrically arranged on the inner walls of the left end and the right end of the placing cavity, a ventilation device capable of preventing foreign matters from entering is arranged in each vent hole, each ventilation device comprises a cover plate rotatably connected in each vent hole, a fence plate slidably connected to the inner wall of the lower end of each vent hole and capable of being abutted against the cover plate, the cover plate can open and close the vent holes, the fence plates can fill gaps formed by the cover plates when the vent holes are opened, hanging plates which are symmetrical left and right are fixedly arranged on, the decision switch includes sliding connection in slide bar on the link plate, be fixed in the slide bar is close to the magnet of symmetry center end, is fixed in place the intracavity and be located the solenoid valve of link plate symmetry center, through the magnetic force change of solenoid valve is right the force is exerted to magnet, makes slide bar sliding distance is different, it is equipped with and is located to place the intracavity the extinguishing device of the input dry powder of slide bar lower extreme, extinguishing device is including being fixed in place the dry powder bucket of intracavity, link up set up in the sealed tube of dry powder bucket lower extreme, sliding connection in cast tube, the T shape chamber in cast tube, set up in cast tube in, through cast tube slides will the T shape chamber is delivered to the dry powder is put in the sealed tube lower extreme outside, it is equipped with the heat abstractor who is located the sealed tube lower extreme to place.
Wherein, breather still including link up set up in the blow vent lower extreme inner wall and with fence plate sliding connection's holding tank, holding tank bottom inner wall with be connected with compression spring between the fence plate downside.
The judging switch further comprises a clamping plate fixed at the tail end of the sliding rod far away from the symmetrical center, an inclined push block located on the side, close to the hanging plate, of the clamping plate is fixedly arranged on the lower side of the sliding rod, a bilaterally symmetrical adjusting plate is connected in the placing cavity in a sliding mode, an adjusting cavity connected with the clamping plate in a sliding mode is arranged in the adjusting plate, the adjusting plate is far away from the side end face of the hanging plate, from top to bottom, a pull plate hinged with the cover plate is hinged to the end face of the hanging plate, the pull plate can be connected with the fence plate in an abutting mode, and a.
The fire extinguishing device is characterized in that the fire extinguishing device further comprises a lifting groove arranged in the hanging plate, a bilateral symmetry synchronous cavity is arranged in the sealing pipe, a synchronous rod penetrating through the lifting groove is connected in a sliding mode in the synchronous cavity, the synchronous rod is fixedly connected with the throwing pipe, an inclined plane block located on the side, far away from the center of symmetry, of the hanging plate is arranged on the synchronous rod, the inclined plane block can be connected with the inclined pushing block in a sliding mode, and a reset spring is connected between the lower end of the synchronous rod and the inner wall of the bottom end of the lifting groove.
Preferably, the opening of the synchronization chamber faces perpendicularly to the opening of the horizontal end of the T-shaped chamber.
The heat dissipation device comprises a driven shaft which is rotatably connected to the hanging plate and located at the lower end of the lifting groove, a fan which is located on the side, away from the symmetric center, of the hanging plate is arranged on the driven shaft, a helical gear is arranged between the hanging plates, a supporting block is fixedly arranged in the hanging plate, a helical gear ring which is connected with the helical gear in a meshed mode is connected to the supporting block in a sliding mode, an impeller is fixedly arranged on the inner ring of the helical gear ring, a reversing shaft which is connected with the driven shaft and a bevel gear pair is rotatably connected to the inner wall of the rear end of the placing cavity, and a gear which is connected with the rack.
The invention has the beneficial effects that: the invention carries out air cooling and heat dissipation through the air vent structure which can be opened and closed intermittently and the fan which works synchronously with the air vent structure, meanwhile, the air vent structure can prevent foreign matters from entering the cabinet body through the filter screen structure, the damage probability of electrical elements is reduced, in addition, the electromagnetic valve is communicated with the circuit, the operation of equipment is controlled according to the magnetic force change of the electromagnetic valve, and when overload occurs, the fire extinguishing device is started by canceling the magnetic force, so that the self-starting fire extinguishing work at the first time is realized, and the damage is stopped in time.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic diagram of the overall structure of a power distribution cabinet device with heat dissipation and overload monitoring and loss prevention functions according to the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at "A";
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a power distribution cabinet device with functions of heat dissipation and overload monitoring and loss prevention, which is mainly applied to the processes of heat dissipation and power distribution transformer circuit safety monitoring, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a power distribution cabinet device with heat dissipation and overload monitoring and timely damage prevention functions, which comprises a cabinet body 11, wherein a placing cavity 12 with an openable front side is arranged in the cabinet body 11, three vent holes 13 which are distributed in an array from top to bottom are symmetrically arranged on the inner walls of the left end and the right end of the placing cavity 12, a ventilation device 901 capable of preventing foreign matters from entering is arranged in each vent hole 13, each ventilation device 901 comprises a cover plate 14 which is rotatably connected in each vent hole 13, and a fence plate 40 which is slidably connected to the inner wall of the lower end of each vent hole 13 and can be abutted to the cover plate 14, each cover plate 14 can open and close the vent holes 13, the fence plates 40 can fill gaps formed by the cover plates 14 when the vent holes 13 are opened, bilaterally symmetrical hanging plates 21 are fixedly arranged on the inner walls of the top ends of the placing cavity 12, a judging switch 902 is arranged in the placing cavity 12, and, A magnet 19 fixed at the end of the slide bar 22 close to the symmetrical center, an electromagnetic valve 18 fixed in the placing cavity 12 and positioned at the symmetrical center of the hanging plate 21, the force applied to the magnet 19 is changed by the change of the magnetic force of the solenoid valve 18, so that the sliding distance of the slide rod 22 is different, a fire extinguishing device 903 for throwing dry powder is arranged in the placing cavity 12 and is positioned at the lower end of the sliding rod 22, the fire extinguishing device 903 comprises a dry powder barrel 16 fixed in the placing cavity 12, a sealing pipe 31 penetrating the lower end of the dry powder barrel 16, a throwing pipe 17 connected in a sliding manner in the sealing pipe 31, and a T-shaped cavity 36 arranged in the throwing pipe 17, the T-shaped cavity 36 is sent to the outer side of the lower end of the sealing tube 31 by the sliding of the throwing tube 17 to throw dry powder, a heat sink 904 is disposed in the placing cavity 12 and located at the lower end of the sealing tube 31.
According to an embodiment, the ventilation device 901 will be described in detail below, the ventilation device 901 further includes an accommodating groove 42 penetrating the inner wall of the lower end of the ventilation opening 13 and slidably connected to the fence plate 40, and a compression spring 41 is connected between the inner wall of the bottom end of the accommodating groove 42 and the lower side of the fence plate 40.
According to an embodiment, the determination switch 902 is described in detail below, the determination switch 902 further includes a clamping plate 24 fixed to the sliding rod 22 and far from the end of the symmetric center, an inclined pushing block 23 located at a side of the clamping plate 24 close to the hanging plate 21 is fixedly arranged at a lower side of the sliding rod 22, a bilaterally symmetric adjusting plate 25 is slidably connected to the placing cavity 12, an adjusting cavity 43 slidably connected to the clamping plate 24 is arranged in the adjusting plate 25, a pulling plate 38 hinged to the cover plate 14 is hinged to the adjusting plate 25 and far from the side end face of the hanging plate 21 from top to bottom, the pulling plate 38 can be abutted against the fence plate 40, a rack 39 is fixedly arranged at a lower end of the adjusting plate 25, and the sliding power of the sliding rod 22 is transmitted to other devices through a sliding connection mode of the inclined pushing block 23 and a gear pair connection mode of the rack 39.
According to the embodiment, the fire extinguishing apparatus 903 is described in detail below, the fire extinguishing apparatus 903 further includes a lifting groove 29 disposed in the hanging plate 21, a bilateral symmetry synchronization cavity 37 is disposed in the sealing tube 31, a synchronization rod 44 penetrating through the lifting groove 29 is slidably connected in the synchronization cavity 37, the synchronization rod 44 is fixedly connected to the throwing pipe 17, an inclined block 15 located on the side of the hanging plate 21 away from the symmetry center is disposed on the synchronization rod 44, the inclined block 15 can be slidably connected to the inclined push block 23, a return spring 35 is connected between the lower end of the synchronization rod 44 and the inner wall of the bottom end of the lifting groove 29, and the synchronization rod 44 moves downward by the pushing of the sliding connection of the inclined push block 23 and the inclined push block 15, so that the throwing pipe 17 moves downward.
Advantageously, the opening of the synchronization chamber 37 is perpendicular to the opening of the horizontal end of the T-shaped chamber 36, which ensures that the T-shaped chamber 36 can be sealed without leakage of dry powder when located in the synchronization chamber 37.
According to the embodiment, the following detailed description will be made on the heat dissipation device 904, the heat dissipation device 904 includes a driven shaft 28 rotatably connected to the hanging plate 21 and located at the lower end of the lifting groove 29, a fan 26 located at the side of the hanging plate 21 away from the center of symmetry is disposed on the driven shaft 28, a helical gear 34 located between the hanging plates 21 is disposed on the driven shaft 28, a supporting block 30 is fixedly disposed in the hanging plate 21, a helical gear ring 33 engaged with the helical gear 34 is slidably connected to the supporting block 30, an impeller 32 is fixedly disposed on an inner ring of the helical gear ring 33, a reversing shaft 27 connected with a bevel gear pair of the driven shaft 28 is rotatably connected to an inner wall of the rear end of the placing cavity 12, a gear 45 engaged with the rack 39 is disposed on the reversing shaft 27, the reversing shaft 27 can rotate by engagement of the gear 45 and the rack 39 and drive the driven shaft 28 to rotate under the transmission of the bevel, the driven shaft 28 rotates the fan 26 to blow air, the bevel gear 34 is meshed with the bevel gear ring 33 to rotate the impeller 32, and the blower component is cooled.
The following will describe in detail the usage steps of a power distribution cabinet apparatus with heat dissipation and overload and loss prevention monitoring function according to the present disclosure with reference to fig. 1 to 4:
at the beginning, the repulsive magnetic force of the solenoid valve 18 is weakened, the magnet 19 approaches to the magnet, and the resistance spring 20 is stretched, but the inclined push block 23 and the inclined block 15 are not abutted with each other, at this time, the cover plate 14 vertically closes the vent hole 13, and the fence plate 40 presses the compression spring 41 and slides into the accommodating groove 42.
During installation, the placing cavity 12 is manually opened, and the electric appliance element is manually installed at the position of the lower end of the hanging plate 21;
when the current-carrying capacity of the electromagnetic valve 18 is changed in a stepwise manner during the monitoring, the magnetic force of the electromagnetic valve 18 to the magnet 19 is changed, and the slide bar 22 slides left and right under the elastic force of the resistance spring 20, and during the sliding process of the slide bar 22 away from each other, through the limitation of the catch plate 24 and the inner wall of the adjusting cavity 43, thereby pulling the adjustment plate 25 to follow the slide rod 22 in synchronization, the adjustment plate 25 rotates the reversing shaft 27 by the engagement of the rack 39 with the pinion 45, the reversing shaft 27 drives the driven shaft 28 to rotate under the transmission of the bevel gear pair, the driven shaft 28 rotates the fan 26 to blow air and guide air, the bevel gear 34 is meshed with the bevel gear ring 33 to rotate the impeller 32 to directly blow electric elements for cooling, meanwhile, the adjusting plate 25 pushes the cover plate 14 to rotate through the pulling plate 38, further, the vent hole 13 is opened, and the fence plate 40 moves upwards to abut against the pull plate 38 under the elastic force recovery of the compression spring 41, so that the gap between the cover plate 14 and the vent hole 13 is filled;
when the circuit is overloaded, the electromagnetic valve 18 is short-circuited by arc light to lose magnetic force, the magnets 19 can restore to slide close to each other under the elastic force of the resistance spring 20, the inclined push block 23 is driven by the inclined push block 23 to be in sliding connection with the inclined plane block 15, so that the synchronous rod 44 is pushed to move downwards, the throwing pipe 17 is pushed downwards, the T-shaped cavity 36 slides out of the synchronous cavity 37, dry powder in the dry powder barrel 16 is thrown into the throwing pipe 17, and at the moment, the dry powder is scattered on the surface of an electrical element through the disordering of the impeller 32, and the fire is extinguished and the loss is.
The invention has the beneficial effects that: the invention carries out air cooling and heat dissipation through the air vent structure which can be opened and closed intermittently and the fan which works synchronously with the air vent structure, meanwhile, the air vent structure can prevent foreign matters from entering the cabinet body through the filter screen structure, the damage probability of electrical elements is reduced, in addition, the electromagnetic valve is communicated with the circuit, the operation of equipment is controlled according to the magnetic force change of the electromagnetic valve, and when overload occurs, the fire extinguishing device is started by canceling the magnetic force, so that the self-starting fire extinguishing work at the first time is realized, and the damage is stopped in time.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (6)
1. The utility model provides a switch board device with heat dissipation and monitoring overload in time stop decreasing, includes the cabinet body, its characterized in that: a placing cavity with an openable front side is arranged in the cabinet body, and three air vents which are distributed in an array from top to bottom are symmetrically arranged on the inner walls of the left end and the right end of the placing cavity;
the ventilation port is internally provided with a ventilation device capable of preventing foreign matters from entering, the ventilation device comprises a cover plate which is rotatably connected in the ventilation port and a fence plate which is connected to the inner wall of the lower end of the ventilation port in a sliding way and can be abutted against the cover plate, the cover plate can open and close the ventilation port, the fence plate can fill the gap formed by the cover plate when the ventilation port is opened, and the inner wall of the top end of the placing cavity is fixedly provided with bilaterally symmetrical hanging plates;
the placing cavity is internally provided with a judging switch which comprises a slide rod connected on the hanging plate in a sliding way, a magnet fixed at the end of the slide rod close to the symmetric center, and an electromagnetic valve fixed in the placing cavity and positioned at the symmetric center of the hanging plate, the force applied to the magnet is changed through the change of the magnetic force of the electromagnetic valve, so that the sliding distance of the sliding rod is different, the placing cavity is internally provided with a fire extinguishing device for throwing dry powder at the lower end of the sliding rod, the fire extinguishing device comprises a dry powder barrel fixed in the placing cavity, a sealing pipe arranged at the lower end of the dry powder barrel in a penetrating way, a throwing pipe connected in the sealing pipe in a sliding way, and a T-shaped cavity arranged in the throwing pipe, and conveying the T-shaped cavity to the outer side of the lower end of the sealing pipe through the sliding of the throwing pipe to throw dry powder, wherein a heat dissipation device positioned at the lower end of the sealing pipe is arranged in the placing cavity.
2. The apparatus of claim 1, wherein the apparatus further comprises a heat dissipation device for dissipating heat and monitoring overload and stopping loss, wherein: breather still including link up set up in the blow vent lower extreme inner wall and with fence plate sliding connection's holding tank, holding tank bottom inner wall with be connected with compression spring between the fence plate downside.
3. The apparatus of claim 1, wherein the apparatus further comprises a heat dissipation device for dissipating heat and monitoring overload and stopping loss, wherein: the judging switch further comprises a clamping plate fixed at the tail end of the sliding rod far away from the symmetrical center, an inclined push block located on the side, close to the hanging plate, of the clamping plate is fixedly arranged on the lower side of the sliding rod, a bilaterally symmetrical adjusting plate is connected in the placing cavity in a sliding mode, an adjusting cavity connected with the clamping plate in a sliding mode is arranged in the adjusting plate, the adjusting plate is far away from the side end face of the hanging plate, a pull plate hinged with the cover plate is hinged to the side end face of the hanging plate from top to bottom, the pull plate can be connected with the fence plate in an abutting mode.
4. The apparatus according to claim 3, wherein the apparatus comprises: the fire extinguishing device further comprises a lifting groove arranged in the hanging plate, a bilateral symmetry synchronous cavity is arranged in the sealing pipe, a synchronous rod penetrating through the lifting groove is connected in a sliding mode in the synchronous cavity, the synchronous rod is fixedly connected with the throwing pipe, an inclined plane block located on the side, away from the center of symmetry, of the hanging plate is arranged on the synchronous rod, the inclined plane block can be connected with the inclined push block in a sliding mode, and a reset spring is connected between the lower end of the synchronous rod and the inner wall of the bottom end of the lifting groove.
5. The apparatus according to claim 4, wherein the apparatus comprises: the opening direction of the synchronous cavity is perpendicular to the opening direction of the horizontal end of the T-shaped cavity.
6. The apparatus according to claim 3, wherein the apparatus comprises: the heat dissipation device comprises a driven shaft which is rotatably connected to the hanging plate and located at the lower end of the lifting groove, a fan which is located on the side, away from the symmetric center, of the hanging plate is arranged on the driven shaft, helical gears located between the hanging plates are arranged on the driven shaft, supporting blocks are fixedly arranged in the hanging plate, helical gear rings connected with the helical gears in a meshed mode are connected on the supporting blocks in a sliding mode, impellers are fixedly arranged on inner rings of the helical gear rings, reversing shafts connected with the driven shaft and the helical gear pairs are rotatably connected to the inner wall of the rear end of the placing cavity, and gears connected with the racks in a meshed mode are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312147.3A CN110797781B (en) | 2019-12-18 | 2019-12-18 | Power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss stopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312147.3A CN110797781B (en) | 2019-12-18 | 2019-12-18 | Power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss stopping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110797781A true CN110797781A (en) | 2020-02-14 |
| CN110797781B CN110797781B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312147.3A Active CN110797781B (en) | 2019-12-18 | 2019-12-18 | Power distribution cabinet device with functions of heat dissipation, overload monitoring and timely loss stopping |
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| Country | Link |
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| CN (1) | CN110797781B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203454A (en) * | 2020-09-23 | 2021-01-08 | 黄美婷 | Box structure for realizing rapid loading of power monitoring equipment |
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| CN110797781B (en) | 2021-03-23 |
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Inventor after: Tan Xiaogan Inventor after: Gao Yuqin Inventor before: Gao Yuqin |
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Effective date of registration: 20210303 Address after: Building 4, 5 and 6, phase II, Jinghua chuangmeng space, 350 Jinghua Road, high tech Zone, Ningbo, Zhejiang 315000 Applicant after: ZHEJIANG DTCT DATA TECHNOLOGY Co.,Ltd. Address before: 315500 No.13 Shangxing Road, Shangtian street, Fenghua District, Ningbo City, Zhejiang Province Applicant before: Ningbo Fenghua Pingxi Distribution Technology Co.,Ltd. |
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