CN116828795A - PLC switch board with temperature control initiative heat dissipation function - Google Patents
PLC switch board with temperature control initiative heat dissipation function Download PDFInfo
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- CN116828795A CN116828795A CN202310739026.7A CN202310739026A CN116828795A CN 116828795 A CN116828795 A CN 116828795A CN 202310739026 A CN202310739026 A CN 202310739026A CN 116828795 A CN116828795 A CN 116828795A
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- cabinet body
- cabinet
- plc
- temperature control
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 78
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
Abstract
The invention provides a PLC control cabinet with a temperature control active heat dissipation function, and relates to the field of PLC control cabinets. This PLC switch board with temperature control initiative heat dissipation function, including the cabinet body, the front of cabinet body inner wall is through the mounting bracket that bolt fixed mounting was used for installing electrical equipment, install a plurality of electrical equipment body on the mounting bracket, the front of cabinet body inner wall still installs PLC logic controller, the thermovent has all been seted up to the both sides of the cabinet body. Through the cooperation of structures such as PLC logic controller, hair-dryer, air exhauster, blast module, can realize carrying out the heat dissipation of pertinence according to the radiating region of needs, realized carrying out accurate heat dissipation to the electrical equipment body in the required heat dissipation region, effectually improved the radiating effect to the electrical equipment body, avoided the phenomenon emergence that part easily generates heat electrical equipment body heat dissipation untimely and damage, the effectual life who improves the internal electrical equipment body of cabinet.
Description
Technical Field
The invention relates to the technical field of PLC control cabinets, in particular to a PLC control cabinet with a temperature control active heat dissipation function.
Background
The PLC control cabinet is a programmable control cabinet and can realize the control of a motor switch, and has the protection functions of overload, short circuit, phase failure protection and the like. Under the state that the switch board is used for a long time, the electrical components in the switch board can produce a large amount of heat, and the switch board on the market all adopts radiator fan to dispel the heat at present.
The application number is as follows: 202221463933.0 discloses a PLC switch board with heat dissipation function, including the switch board main part, the front end surface of switch board main part is provided with the cabinet door, one side surface of cabinet door is provided with heat dissipation mechanism, the lower extreme surface of switch board main part is provided with damper. According to the PLC control cabinet with the heat dissipation function, through the heat dissipation mechanism, heat dissipation can be effectively conducted on the PLC control cabinet, the service life of the PLC control cabinet is effectively prolonged, after the motor is electrified, the screw rod is driven to conduct rotary motion through the coupler, the screw rod drives the movable block to conduct up-and-down reciprocating motion, the movable block drives the fan to conduct up-and-down air blowing on electronic elements in the PLC control cabinet, potential energy generated during operation of the PLC control cabinet can be effectively buffered through the shock absorption mechanism, and stable operation of the PLC control cabinet is guaranteed.
And the application number is: 202222416959.6 discloses a multifunctional PLC switch board, which comprises a cabinet body, the left and right sides activity of the cabinet body has cup jointed the heating panel, one side that the cabinet body was kept away from to the heating panel is provided with cooling mechanism, cooling mechanism's outer wall fixed sleeve has installed a section of thick bamboo, one side fixedly connected with of installation section of thick bamboo is located the outside protection casing of cooling mechanism, the equal fixed mounting in left and right sides of cabinet internal wall bottom surface has the storing box. According to the invention, through the matching among the cabinet body, the heat radiation plate, the heat radiation mechanism and the protective cover, the heat radiation effect on the interior of the cabinet body is realized by utilizing the arrangement of the heat radiation mechanism, the problem that the heat radiation plate is blocked by dust is effectively solved, the heat radiation mechanism is adopted to flow gas in the cabinet body, the damage of electric elements caused by the continuous increase of the temperature in the cabinet body due to the blockage of the heat radiation plate by dust is avoided, the interior of the cabinet body is timely radiated, and the service life of the electric elements is prolonged.
Most of the PLC control cabinets in the prior art adopt fixed type cooling fans to cool, some parts also adopt movable type cooling fans to cool, and when the existing fixed type cooling fans or movable type cooling fans cool electric equipment in the PLC control cabinets, the electric equipment is inconvenient to conduct targeted cooling on areas where the electric equipment is easy to generate in the PLC control cabinets, the phenomenon that the electric equipment is easy to generate in part and is damaged due to untimely cooling is easy to occur, and the service life of the electric equipment in the PLC control cabinets is reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the PLC control cabinet with the temperature control active heat dissipation function, which solves the problems that the PLC control cabinet in the prior art is inconvenient to conduct targeted heat dissipation on the area where the electric equipment easy to generate in the PLC control cabinet is installed, the phenomenon that part of the electric equipment easy to generate is damaged due to untimely heat dissipation is easy to occur, and the service life of the electric equipment in the PLC control cabinet is reduced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a PLC switch board with temperature control initiative heat dissipation function, includes the cabinet body, the front of cabinet body inner wall is through the mounting bracket that bolt fixed mounting was used for installing electrical equipment, install a plurality of electrical equipment body on the mounting bracket, the front of cabinet body inner wall still installs the PLC logic controller, the thermovent has all been seted up to the both sides of the cabinet body, two thermovent's inside is provided with hair-dryer and air exhauster respectively, and two thermovent inner wall's top has all been seted up the device groove, be provided with in the device groove and be used for carrying out the shielding component of opening and close to the thermovent;
a smoke sensor and a dry powder storage bag are arranged at the top of the inner wall of the cabinet body;
a blowing component for performing targeted heat dissipation on a plurality of electrical equipment bodies is arranged at one side, close to the blower, of the interior of the cabinet body;
the air blowing assembly is provided with a piston cylinder, and a puncture assembly for puncturing the dry powder storage bag when a fire disaster occurs in the cabinet body is arranged in the piston cylinder;
the front of the inner wall of the cabinet body is also provided with a plurality of temperature sensors which are distributed in a linear array along the height direction of the cabinet body, and the temperature sensors are used for monitoring the temperatures of different areas in the cabinet body.
Preferably, the filter screens are arranged in the two radiating ports and on one side of the exhaust fan, which is separated from the blower.
Preferably, the shielding assembly comprises an electromagnet and an iron block, the electromagnet is fixedly arranged at the top of the inner wall of the device groove, the iron block is movably connected in the device groove, a shielding plate for opening and closing a heat radiation opening is arranged at the bottom of the iron block, and a cleaning brush for cleaning impurity particles adsorbed on the filter screen is arranged on one side of the shielding plate, which is close to the filter screen.
Preferably, the blast assembly includes fixed mounting standpipe between cabinet internal wall top and bottom, one side intercommunication of standpipe has the air inlet cover, the other end of air inlet cover is linked together with one of them thermovent, the opposite side intercommunication of standpipe has a plurality of to be the blowpipe that the linear form array distributes, the other end intercommunication of blowpipe has the blast box, a plurality of is the blast hole that the rectangle array form distributes has been seted up to the opposite side of blast box, the fixed intercommunication of piston cylinder is on the standpipe.
Preferably, the number of the blowpipes is consistent with the number of the temperature sensors, the blowpipes are arranged in a one-to-one correspondence mode, and a first electromagnetic valve for controlling the blowpipes to be opened and closed is arranged in the blowpipes.
Preferably, the puncture assembly comprises a movable plug movably arranged in the piston cylinder, one side of the movable plug is provided with a puncture piece for puncturing the dry powder storage bag when a fire disaster occurs in the cabinet body, one side of the movable plug and the outer surface of the puncture piece are provided with springs, and one end, close to the vertical pipe, of the movable plug is provided with a second electromagnetic valve for controlling the opening and closing of the piston cylinder.
Preferably, the PLC is electrically connected with the exhaust fan, the blower, the first electromagnetic valve, the second electromagnetic valve, the temperature sensor and the smoke sensor respectively.
Preferably, the lancing member employs a lancing cone or lance.
Preferably, a supporting frame is arranged at the bottom of the cabinet body.
(III) beneficial effects
The invention provides a PLC control cabinet with a temperature control active heat dissipation function. The device comprises the following
The beneficial effects are that:
1. the temperature of the cabinet body in different areas along the height direction can be monitored through the arrangement of the temperature sensors, monitored data are transmitted to the PLC, when the temperature in the area monitored by one or more temperature sensors reaches a preset value, the electric equipment body in one or more areas needs to be subjected to heat dissipation treatment, and through the cooperation of the PLC, the blower, the exhaust fan, the blowing component and other structures, the electric equipment body in the cabinet body can be subjected to targeted heat dissipation according to the heat dissipation areas, the accurate heat dissipation of the electric equipment body in the heat dissipation areas is realized, the heat dissipation effect of the electric equipment body is effectively improved, the phenomenon that part of the electric equipment body is easy to generate heat and the electric equipment body is not timely heat-dissipation and damaged is avoided, and the service life of the electric equipment body in the cabinet body is effectively prolonged.
2. When the temperature data monitored by a plurality of temperature sensors are lower than a preset value and the PLC control cabinet is not used, the electromagnet is powered off through the PLC logic controller, the electromagnet loses magnetism, then the electromagnet moves downwards to close the heat radiation opening through the gravity action of the iron block, the shielding plate and other structures, small particle dust in external air is prevented from penetrating through the filter screen to enter the cabinet body when the PLC control cabinet is not used or does not need to radiate heat, and then dust accumulation in the cabinet body can be prevented from affecting the heat radiation of the electrical equipment body, and a certain protection effect is achieved on the electrical equipment body.
3. The smoke in the cabinet body can be monitored through the setting of the smoke sensor, when the smoke sensor monitors smoke, the second electromagnetic valve is opened and all the first electromagnetic valves are closed through the PLC logic controller, and the electromagnet is powered off, so that gas in the vertical pipe enters the piston cylinder, and then the movable plug is pushed by the air flow and the piercing member synchronously moves to one side close to the dry powder storage bag, so that the dry powder storage bag is pierced through the piercing member, the dry powder stored in the dry powder storage bag is discharged, fire is extinguished through the dry powder, and the heat dissipation opening is closed through the power-off of the electromagnet, the external combustible gas can be prevented from continuously entering the cabinet body, and the rapid spreading of fire can be restrained.
4. The large-particle impurities in the gas entering the cabinet body can be filtered through the arrangement of the filter screen, after the filter screen is used for a period of time, a certain amount of impurities are easy to adsorb on the surface of the filter screen, and the cleaning brush can be driven to brush away impurity particles adsorbed on the surface of the filter screen in the process of closing the radiating opening every time when the shielding plate moves down, so that the filter screen can be automatically cleaned through the cleaning brush in the process of closing the radiating opening by the shielding plate, and the filtering effect of the filter screen is effectively improved.
Drawings
Fig. 1 is a schematic perspective view of the whole structure of a PLC control cabinet with a temperature control active heat dissipation function according to the present invention;
fig. 2 is another perspective view of the overall structure of a PLC control cabinet with a temperature control active heat dissipation function according to the present invention;
fig. 3 is a schematic diagram of the internal structure of a PLC control cabinet with a temperature control active heat dissipation function according to the present invention;
fig. 4 is a schematic diagram of a blowing component of a PLC control cabinet with a temperature control active heat dissipation function according to the present invention;
fig. 5 is a schematic structural diagram of a blow box, a blow hole, and the like of a PLC control cabinet with a temperature control active heat dissipation function;
fig. 6 is a schematic structural diagram of a shielding plate, a cleaning brush and the like of a PLC control cabinet with a temperature control active heat dissipation function;
FIG. 7 is an enlarged view of FIG. 3 at A;
FIG. 8 is a schematic diagram of a piercing assembly of a PLC control cabinet with active heat dissipation function under temperature control according to the present invention;
fig. 9 is a schematic structural diagram of a blowing pipe, a first electromagnetic valve and the like of a PLC control cabinet with a temperature control active heat dissipation function.
1, a cabinet body; 2. a mounting frame; 3. an electrical device body; 4. a PLC logic controller; 5. a heat radiation port; 6. a blower; 7. an exhaust fan; 8. a device slot; 9. a shielding assembly; 901. an electromagnet; 902. iron blocks; 903. a shielding plate; 904. a cleaning brush; 10. a smoke sensor; 11. a dry powder storage bag; 12. a blowing assembly; 1201. a standpipe; 1202. an air inlet cover; 1203. a blowing pipe; 1204. a blow box; 1205. a blowing hole; 1206. a first electromagnetic valve; 13. a piston cylinder; 14. a lancing assembly; 1401. a movable plug; 1402. a piercing member; 1403. a spring; 1404. a second electromagnetic valve; 15. a temperature sensor; 16. a filter screen; 17. and (5) supporting frames.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-9, the embodiment of the invention provides a PLC control cabinet with a temperature control active heat dissipation function, which comprises a cabinet body 1, wherein a support frame 17 is arranged at the bottom of the cabinet body 1, the support frame 17 is used for carrying out heightening support on the cabinet body 1 to play a certain dampproof effect, a mounting frame 2 for mounting electrical equipment is fixedly arranged on the front surface of the inner wall of the cabinet body 1 through bolts, a plurality of electrical equipment bodies 3 are arranged on the mounting frame 2, a PLC logic controller 4 is also arranged on the front surface of the inner wall of the cabinet body 1, heat dissipation ports 5 are respectively arranged on two sides of the cabinet body 1, a blower 6 and an exhaust fan 7 are respectively arranged in the two heat dissipation ports 5, a filter screen 16 is respectively arranged on one side, which is separated from the blower 7, of the two heat dissipation ports 5, a device groove 8 is respectively arranged on the top of the inner wall of the two heat dissipation ports 5, and a shielding component 9 for opening and closing the heat dissipation ports 5 are arranged in the device groove 8;
the top of the inner wall of the cabinet body 1 is provided with a smoke sensor 10 and a dry powder storage bag 11, the dry powder storage bag 11 stores dry powder for extinguishing fire, and smoke in the cabinet body 1 can be monitored through the arrangement of the smoke sensor 10;
a blowing component 12 for performing targeted heat dissipation on a plurality of electrical equipment bodies 3 is arranged at one side of the cabinet body 1, which is close to the blower 6;
the air blowing component 12 is provided with a piston cylinder 13, and a puncture component 14 for puncturing the dry powder storage bag 11 when a fire disaster occurs in the cabinet body 1 is arranged in the piston cylinder 13;
the front surface of the inner wall of the cabinet body 1 is also provided with a plurality of temperature sensors 15 which are distributed in a linear array along the height direction of the cabinet body 1, and the temperature sensors 15 are used for monitoring the temperature of different areas in the cabinet body 1;
the temperature of different areas in the cabinet body 1 along the height direction can be monitored through the arrangement of the temperature sensors 15, and the monitored data are transmitted to the PLC logic controller 4, when the temperature in the area monitored by one or more temperature sensors 15 reaches a preset value, the electric equipment body 3 in one or more areas needs to be subjected to heat dissipation treatment, and through the cooperation of the structures of the PLC logic controller 4, the blower 6, the exhaust fan 7, the blower component 12 and the like, the electric equipment body 3 in the cabinet body 1 can be subjected to targeted heat dissipation according to the areas needing heat dissipation, the heat dissipation effect of the electric equipment body 3 in the areas needing heat dissipation is effectively improved, the phenomenon that part of the electric equipment body 3 easy to generate heat is not timely heat and damaged is avoided, and the service life of the electric equipment body 3 in the cabinet body 1 is effectively prolonged.
The shielding assembly 9 comprises an electromagnet 901 and an iron block 902, the electromagnet 901 is fixedly arranged at the top of the inner wall of the device groove 8, the iron block 902 is movably connected in the device groove 8, a shielding plate 903 for opening and closing the heat dissipation opening 5 is arranged at the bottom of the iron block 902, a cleaning brush 904 for cleaning impurity particles adsorbed on the filter screen 16 is arranged on one side of the shielding plate 903, which is close to the filter screen 16, the electromagnet 901 is powered off by the PLC logic controller 4, the electromagnet 901 loses magnetism, and then the electromagnet moves downwards to close the heat dissipation opening 5 under the action of gravity of the structures such as the iron block 902 and the shielding plate 903, so that small particle dust in external air is prevented from penetrating through the filter screen 16 to enter the cabinet body 1 when the PLC control cabinet is not used or is not required to dissipate heat, dust in the cabinet body 1 is prevented from accumulating to influence the heat dissipation of the electrical equipment body 3, and external combustible gas is prevented from continuously entering the cabinet body 1 when a fire disaster occurs in the cabinet body 1.
The blast assembly 12 includes a standpipe 1201 fixedly installed between the top and the bottom of the inner wall of the cabinet body 1, one side of the standpipe 1201 is communicated with an air inlet cover 1202, the other end of the air inlet cover 1202 is communicated with one of the heat dissipation openings 5, the other side of the standpipe 1201 is communicated with a plurality of blast pipes 1203 distributed in a linear array, the other end of the blast pipes 1203 is communicated with a blast box 1204, a plurality of blast holes 1205 distributed in a rectangular array are formed in the other side of the blast box 1204, and the piston cylinder 13 is fixedly communicated on the standpipe 1201.
The blowing pipes 1203 are consistent in number and position with the temperature sensors 15, and the first electromagnetic valves 1206 for controlling the blowing pipes 1203 to open and close are arranged in the blowing pipes 1203.
The piercing assembly 14 comprises a movable plug 1401 movably arranged in the piston cylinder 13, a piercing member 1402 for piercing the dry powder storage bag 11 when a fire disaster occurs in the cabinet 1 is arranged on one side of the movable plug 1401, the piercing member 1402 adopts a piercing cone or a piercing knife, a spring 1403 is arranged on one side of the movable plug 1401 and positioned on the outer surface of the piercing member 1402, and a second electromagnetic valve 1404 for controlling the opening and closing of the piston cylinder 13 is arranged on one end of the movable plug 1401, which is close to the standpipe 1201.
The PLC logic controller 4 is electrically connected with the exhaust fan 7, the blower 6, the first electromagnetic valve 1206, the second electromagnetic valve 1404, the temperature sensor 15 and the smoke sensor 10 respectively.
Working principle: when the PLC control cabinet is used, certain heat is generated when the electric equipment body 3 in the cabinet body 1 works, and heat dissipation treatment is required to be carried out on the electric equipment body 3 in order to improve the working performance and the service life of the electric equipment body;
the temperature of different areas in the cabinet body 1 along the height direction can be monitored through the arrangement of the temperature sensors 15, monitored data are transmitted to the PLC logic controller 4, when the temperature in the area monitored by one or more temperature sensors 15 reaches a preset value, the electric equipment body 3 in the one or more areas needs to be subjected to heat dissipation treatment, the electromagnet 901 is electrified through the PLC logic controller 4, the electromagnet 901 generates magnetism to magnetically attract the iron block 902, the iron block 902 and the shielding plate 903 are enabled to move upwards synchronously, the opening of the heat dissipation opening 5 is achieved, then the blower 6 and the exhaust fan 7 are started, external air is blown into the cabinet body 1 through the blower 6, the exhaust fan 7 pumps the high-temperature air in the cabinet body 1 out of the cabinet body 1, so that circulation of the high-temperature air and the external air is quickened, active heat dissipation is achieved, the first electromagnetic valve 1206 corresponding to the one or more temperature sensors 15 is started, the blower 6 blows the external air into the cover 1202 through the opening 5, and the air pipe 1204 is conveyed to the electric equipment body 1201 in time according to the heat dissipation situation that the electric equipment is required to be blown out of the areas, and the heat dissipation areas are not required to be evenly broken, and the heat dissipation of the electric equipment is avoided;
when the temperature data monitored by the temperature sensors 15 are lower than a preset value and the PLC control cabinet is not used, the electromagnet 901 is powered off through the PLC logic controller 4, the electromagnet 901 loses magnetism, and then the heat dissipation port 5 is closed by moving downwards under the action of gravity of the iron block 902, the shielding plate 903 and other structures, so that small particle dust in external air is prevented from entering the cabinet body 1 through the filter screen 16 when the PLC control cabinet is not used or is not required to dissipate heat, and further, the influence of dust accumulation in the cabinet body 1 on the heat dissipation of the electrical equipment body 3 can be avoided;
when the smoke sensor 10 detects smoke, the PLC logic controller 4 opens the second electromagnetic valve 1404 and closes all the first electromagnetic valves 1206, and the electromagnet 901 is powered off, so that gas in the standpipe 1201 enters the piston cylinder 13, and then the movable plug 1401 and the puncturing piece 1402 are pushed by air flow to synchronously move to one side close to the dry powder storage bag 11, so that the dry powder storage bag 11 is punctured by the puncturing piece 1402, the dry powder stored in the dry powder storage bag 11 is discharged, and the heat dissipation opening 5 is closed by the shielding plate 903 by powering off the electromagnet 901, so that external combustible gas can be prevented from continuously entering the cabinet 1;
the large-particle impurities in the gas entering the cabinet body 1 can be filtered through the arrangement of the filter screen 16, a certain amount of impurities are easy to adsorb on the surface of the filter screen 16 after the filter screen 16 is used for a period of time, and the cleaning brush 904 can be driven to brush out impurity particles adsorbed on the surface of the filter screen 16 in the process of closing the heat dissipation port 5 when the shielding plate 903 moves downwards each time.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a PLC switch board with temperature control initiative heat dissipation function, includes the cabinet body (1), the front of cabinet body (1) inner wall is through bolt fixed mounting has mounting bracket (2) that are used for installing electrical equipment, install a plurality of electrical equipment body (3) on mounting bracket (2), PLC logic controller (4) are still installed in the front of cabinet body (1) inner wall, its characterized in that: the cabinet is characterized in that heat dissipation openings (5) are formed in two sides of the cabinet body (1), a blower (6) and an exhaust fan (7) are respectively arranged in the two heat dissipation openings (5), device grooves (8) are formed in the tops of the inner walls of the two heat dissipation openings (5), and a shielding assembly (9) for opening and closing the heat dissipation openings (5) is arranged in the device grooves (8);
a smoke sensor (10) and a dry powder storage bag (11) are arranged at the top of the inner wall of the cabinet body (1);
a blowing component (12) for carrying out targeted heat dissipation on a plurality of electrical equipment bodies (3) is arranged at one side, close to the blower (6), of the interior of the cabinet body (1);
the air blowing assembly (12) is provided with a piston cylinder (13), and a puncture assembly (14) for puncturing the dry powder storage bag (11) when a fire disaster occurs in the cabinet body (1) is arranged in the piston cylinder (13);
the front of the inner wall of the cabinet body (1) is also provided with a plurality of temperature sensors (15) which are distributed in a linear array along the height direction of the cabinet body (1), and the temperature sensors (15) are used for monitoring the temperature of different areas in the cabinet body (1).
2. The PLC control cabinet with a temperature control active heat dissipation function according to claim 1, wherein: the two radiating ports (5) are arranged at the inner parts and are positioned at the sides of the exhaust fan (7) and the blower (6) which are separated from each other, and a filter screen (16) is arranged at each side.
3. The PLC control cabinet with a temperature control active heat dissipation function according to claim 2, wherein: the shielding assembly (9) comprises an electromagnet (901) and an iron block (902), wherein the electromagnet (901) is fixedly arranged at the top of the inner wall of the device groove (8), the iron block (902) is movably connected in the device groove (8), a shielding plate (903) for opening and closing the heat dissipation opening (5) is arranged at the bottom of the iron block (902), and a cleaning brush (904) for cleaning impurity particles adsorbed on the filter screen (16) is arranged on one side, close to the filter screen (16), of the shielding plate (903).
4. A PLC control cabinet with temperature controlled active heat dissipation function according to claim 3, wherein: the utility model provides a cabinet body, including fixed mounting standpipe (1201) between cabinet body (1) inner wall top and bottom, one side intercommunication of standpipe (1201) has air inlet cover (1202), the other end and one of them thermovent (5) of air inlet cover (1202) are linked together, the opposite side intercommunication of standpipe (1201) has blowpipe (1203) that a plurality of is linear form array and distributes, the other end intercommunication of blowpipe (1203) has blow box (1204), blow hole (1205) that a plurality of is rectangular array form and distributes are seted up to the opposite side of blow box (1204), piston cylinder (13) fixed intercommunication is on standpipe (1201).
5. The PLC control cabinet with temperature control and active heat dissipation functions according to claim 4, wherein: the number of the blowpipes (1203) is consistent with the number of the temperature sensors (15), the positions of the blowpipes are in one-to-one correspondence, and a first electromagnetic valve (1206) for controlling the blowpipes (1203) to open and close is arranged in the blowpipes (1203).
6. The PLC control cabinet with temperature control and active heat dissipation functions according to claim 5, wherein: the puncture assembly (14) comprises a movable plug (1401) movably arranged in the piston cylinder (13), a puncture piece (1402) used for puncturing the dry powder storage bag (11) when a fire disaster occurs in the cabinet body (1) is arranged on one side of the movable plug (1401), a spring (1403) is arranged on one side of the movable plug (1401) and positioned on the outer surface of the puncture piece (1402), and a second electromagnetic valve (1404) used for controlling the opening and closing of the piston cylinder (13) is arranged at one end, close to the standpipe (1201), of the movable plug (1401).
7. The PLC control cabinet with temperature control and active heat dissipation functions according to claim 6, wherein: the PLC logic controller (4) is electrically connected with the exhaust fan (7), the blower (6), the first electromagnetic valve (1206), the second electromagnetic valve (1404), the temperature sensor (15) and the smoke sensor (10) respectively.
8. The PLC control cabinet with temperature control and active heat dissipation functions according to claim 6, wherein: the lancing member (1402) employs a lancing cone or lance.
9. The PLC control cabinet with a temperature control active heat dissipation function according to claim 1, wherein: the bottom of the cabinet body (1) is provided with a supporting frame (17).
Priority Applications (1)
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CN202310739026.7A CN116828795A (en) | 2023-06-21 | 2023-06-21 | PLC switch board with temperature control initiative heat dissipation function |
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CN202310739026.7A CN116828795A (en) | 2023-06-21 | 2023-06-21 | PLC switch board with temperature control initiative heat dissipation function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117175405A (en) * | 2023-10-10 | 2023-12-05 | 中节能(北京)节能环保工程有限公司 | Special heat abstractor of electrical equipment local heating point |
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2023
- 2023-06-21 CN CN202310739026.7A patent/CN116828795A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117175405A (en) * | 2023-10-10 | 2023-12-05 | 中节能(北京)节能环保工程有限公司 | Special heat abstractor of electrical equipment local heating point |
CN117175405B (en) * | 2023-10-10 | 2024-04-02 | 中节能(北京)节能环保工程有限公司 | Special heat abstractor of electrical equipment local heating point |
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