CN109974438B - High-efficient dehydrating unit is used to electric power cabinet - Google Patents
High-efficient dehydrating unit is used to electric power cabinet Download PDFInfo
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- CN109974438B CN109974438B CN201910298315.1A CN201910298315A CN109974438B CN 109974438 B CN109974438 B CN 109974438B CN 201910298315 A CN201910298315 A CN 201910298315A CN 109974438 B CN109974438 B CN 109974438B
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- drying
- air
- power cabinet
- cabinet body
- electric power
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a high-efficiency dehumidifying device for an electric power cabinet, which comprises an electric power cabinet body, wherein a louver type drying box device, a communicated drying pipeline device, a drying heat-preservation radiating device and a control mechanism are arranged in the electric power cabinet body, the louver type drying box device is connected with a louver through a telescopic rod, drying agent bags distributed on two net racks in a staggered mode are used for adjusting the opening and closing of the louver according to the state of drying agents, the louver type drying box device is connected with the communicated drying pipeline device, and the drying agents and air in the electric power cabinet body are dried through matching of electric heating wires arranged in a pipeline and two conical plates. The invention has the advantages of simple structure and strong practicability.
Description
Technical field
The invention relates to the field of related equipment of an electric power cabinet, in particular to a high-efficiency dehumidifying device for the electric power cabinet.
Background
The power cabinet is an important facility in the power system, and the safe operation of the power cabinet is related to the normal operation of each relevant device. If the electric power cabinet moves under humid environment, bring hidden danger to its safety, more than 30 ℃ when the temperature, when air relative humidity is more than 80%, then can arouse the condensation phenomenon, the condensation can cause power equipment binding post to corrode, reduce insulating properties and arouse the short circuit, causes unnecessary power failure accident and loss, therefore electric power cabinet dehumidification is indispensable.
In patent CN201711268137.5, a dehumidification device for an electric power cabinet, an air dryer, an air suction fan and an air guide cover are provided, air outside the electric power cabinet is sucked into the air dryer by the air suction fan for drying treatment, and then discharged into the electric power cabinet, and humid air inside the electric power cabinet is discharged out of the electric power cabinet by the air exhaust fan on the air guide cover, so that air ventilation in the electric power cabinet is realized, and air drying in the electric power cabinet is ensured; through setting up the slot, slot inside sliding connection has the picture peg, is provided with the drier on the picture peg and places the hole, and the granule drier is placed to the drier in placing the hole, can further carry out the drying to electric power cabinet air.
However, the above patent requires frequent replacement of the drying agent, and for the outdoor power cabinet, it wastes much labor and time to replace the drying agent one by one.
Disclosure of Invention
The invention aims to solve the problems and designs a high-efficiency dehumidifying device for an electric power cabinet.
The technical scheme of the invention is that the efficient dehumidifying device for the electric power cabinet comprises an electric power cabinet body, wherein a louver type drying box device, a communicated drying pipeline device, a drying heat-preservation radiating device and a control mechanism are arranged in the electric power cabinet body, the louver type drying box device is connected with a louver through a telescopic rod, drying agent bags are distributed on two net racks in a staggered mode so as to adjust the opening and closing of the louver according to the state of drying agents, the louver type drying box device is connected with the communicated drying pipeline device, and the drying agents and air in the electric power cabinet body are dried through the matching of an electric heating wire and two conical plates arranged in a pipeline.
The louver type drying box device comprises two circular radiating holes are formed in the side surfaces of two sides of an electric power cabinet body, circular dust covers are installed in the circular radiating holes, air exhaust fans are installed outside the circular radiating holes, two drying boxes are installed above the side surfaces of two sides in the electric power cabinet body, the drying boxes are communicated with the circular radiating holes, two fixed screen plates are installed on two sides of the center of the interior of each drying box, a plurality of montmorillonite drying agent bags are installed on the fixed screen plates, the montmorillonite drying agent bags are evenly distributed on the fixed screen plates in a distributed mode, the montmorillonite drying agent bags on the two fixed screen plates are distributed in a staggered mode, and an adjusting louver device is arranged on the side surface of one side of each drying.
Adjust the shutter device and include it has the shutter window to open on the drying cabinet side surface, install the shutter frame in the shutter frame, be equipped with a plurality of blades in the shutter frame, blade evenly distributed is in the shutter frame, rotatory minor axis is installed at the blade both ends, rotatory minor axis inserts in the shutter frame, rotatory minor axis and shutter frame swing joint, surface mounting has waterproof sealing pad on the blade, two extension spring are installed at shutter frame one side top both ends, the regulation rope is installed to the extension spring lower extreme, adjust one side fixed connection of rope and blade, two miniature electric telescopic handle are installed at shutter frame one side below both ends, miniature electric telescopic handle's flexible end and regulation rope fixed connection.
The intercommunication stoving pipe installation includes install stoving side pipe on the inside lower surface of electric power cabinet body, stoving side pipe both ends are installed and are erected the drying duct, two erect the drying duct respectively with the lower extreme fixed connection of two drying cabinets, stoving side pipe upper surface center department installs the dehumidification pipe, conical closing up board is installed to the inside upper end of dehumidification pipe, conical closing up board internally mounted has little support, install the toper cover plate on the little support, two spiral electric heating wire are installed to inside center department both sides of stoving side pipe.
The drying heat-preservation heat-dissipation device comprises a heat dissipation opening formed in the lower surface of an electric cabinet body, the heat dissipation opening corresponds to the position of a drying square pipe, a cooling fin is arranged inside the heat dissipation opening, the cooling fin is connected with the lower surface of the drying square pipe, a square sealing baffle is arranged above the drying square pipe, the rear end of the square sealing baffle is fixedly connected with the electric cabinet body, the square sealing baffle is located below a drying box, a rubber sealing gasket is arranged at the front end of the square sealing baffle, the square sealing baffle is movably connected with a dehumidification pipe and a vertical drying pipe, a heat-preservation material is arranged below the square sealing baffle, and the space below the square sealing baffle is filled with the heat-preservation material.
And an air humidity sensor is arranged at the center of the upper surface in the power cabinet body.
The drying square tube is in a large V shape.
The tip of the conical closing plate faces downwards, and the tip of the conical cover plate faces upwards.
According to the efficient dehumidifying device for the electric power cabinet, which is manufactured by the technical scheme, when the montmorillonite desiccant bag is in a dry state, the blade is in an open state at the moment, heat dissipation inside the electric power cabinet body is carried out through air flow, meanwhile, the montmorillonite desiccant bag is dried, so that the inside of the electric power cabinet body is ensured to be in the dry state, when the montmorillonite desiccant bag is in a wet state, the blade is adjusted to be in the closed state, the spiral electric heating wire is heated, and the air exhaust fan works to scour the montmorillonite desiccant bag through high-temperature air, and the montmorillonite desiccant bag is dried again and then reused.
Drawings
FIG. 1 is a schematic structural diagram of an efficient dehumidifying apparatus for an electric power cabinet according to the present invention;
FIG. 2 is a schematic view of a louvered dryer section of the present invention;
FIG. 3 is a schematic view of a blade according to the present invention;
FIG. 4 is a schematic view of a fixed mesh panel according to the present invention;
FIG. 5 is a schematic view of a square sealing baffle according to the present invention;
FIG. 6 is a schematic view of the conical closing plate of the present invention;
in the figure, 1, an electric cabinet body; 2. a control mechanism; 3. a circular heat dissipation port; 4. a circular dust cover; 5. an air extraction fan; 6. a drying oven; 7. fixing the screen plate; 8. a montmorillonite desiccant bag; 9. a louver window; 10. a louver frame; 11. a blade; 12. rotating the short shaft; 13. a waterproof gasket; 14. an extension spring; 15. adjusting the rope; 16. a miniature electric telescopic rod; 17. drying the square tube; 18. a vertical drying pipe; 19. a dehumidification pipe; 20. a conical closing plate; 21. a small support; 22. a conical cover plate; 23. a spiral electric heating wire; 24. a heat dissipation port; 25. a heat sink; 26. a square sealing baffle plate; 27. a rubber gasket; 28. a thermal insulation material; 29. an air humidity sensor.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-6, in this embodiment:
in the device, the device is connected with an external power supply for supplying power, and is connected with an air exhaust fan 5, a micro electric telescopic rod 16, a spiral electric heating wire 23 and an air humidity sensor 29 through a control mechanism 2, so that the operation of the device is controlled;
divide into the dry state mode and drier stoving mode in this device:
when the drying agent is in a drying state mode, when external air circulates, the air is primarily dedusted through the circular dustproof cover 4 on the circular heat dissipation port 3 and then enters the drying box 6, moisture in the air is absorbed through the contact with the montmorillonite desiccant bags 8 in the process that the air passes through the drying box 6 through the staggered distribution of the montmorillonite desiccant bags 8 on the two fixed mesh plates 7, then the dried air enters the electric power cabinet body 1 through the gaps among the blades 11 in the louver frame 10 on the other side, enters the drying box 6 on the other side through the gaps among the blades 11 in the louver frame 10 on the drying box 6 on the other side and is exhausted through the circular heat dissipation port 3 on the other side, thereby, the heat dissipation inside the electric power cabinet body 1 is carried out;
the montmorillonite desiccant bag 8 is contacted with the air for a long time to absorb moisture in the air, when the moisture absorbed by the montmorillonite desiccant bag 8 is in a saturated state, the moisture in the air starts to enter the power cabinet body 1, the air humidity in the power cabinet body 1 is detected through the air humidity sensor 29, and when the air humidity in the power cabinet body 1 reaches a set value, the device enters a desiccant drying mode;
when the device enters a drying agent drying mode, firstly, the miniature electric telescopic rod 16 is controlled to extend out, the miniature electric telescopic rod 16 enables the adjusting rope 15 to be in a loose state through extension, meanwhile, the adjusting rope 15 starts to move upwards through the action of the extension spring 14, and along with the upward movement of the adjusting rope 15, one side of the blade 11 is contacted, so that the louver frame 10 is shielded, and the waterproof sealing gasket 13 is used for sealing, so that the air permeability of the louver frame 10 is reduced to the minimum;
at the moment, the spiral electric heating wire 23 is controlled to start heating, the air extracting fan 5 on one side is controlled to start working, the air extracting fan 5 starts to extract air to the circular heat dissipation port 3 in the power cabinet body 1 and on the other side through the connection of the drying square pipe 17, the two vertical drying pipes 18 and the dehumidifying pipe 19, the air enters the drying square pipe 17 through the vertical drying pipes 18 and the dehumidifying pipe 19, the air is heated through the spiral electric heating wire 23, the temperature of the air is increased, meanwhile, moisture in the air is evaporated, the evaporated moisture enters the drying box 6 on one side along with the flowing of the air, and the moisture in the montmorillonite desiccant bag 8 is evaporated through continuous blowing of high-temperature air to the montmorillonite desiccant bag 8 and is discharged from the air extracting fan 5 along with the flowing of the air;
when the air extracting fan 5 on one side works for a certain time, the air extracting fan 5 on the other side is controlled to work, so that the montmorillonite desiccant bag 8 in the drying box 6 on the other side is dried through the same structure, and the miniature electric telescopic rod is controlled to contract 16 to open the blades 11, so that the dehumidification in the electric power cabinet body 1 can be carried out again;
in the device, the drying square tube 17 is arranged into a large V shape, so that the moisture in the air can be effectively and conveniently evaporated and discharged, and the moisture is prevented from remaining in the device; meanwhile, the heat insulation material and the radiating fins can effectively ensure that no condensation is generated on the upper surface of the square sealing baffle 26 when the spiral electric heating wire 23 is heated, so that the drying of the interior of the electric power cabinet body 1 is ensured; and set up conical closing in mouth board 20 and conical cover plate 22 in dehumidification pipe 19, can effectively reduce steam and rise along dehumidification pipe 19 and flow back to the inside of electric power cabinet body 1.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (1)
1. The utility model provides an electric power cabinet is with high-efficient dehydrating unit, includes electric power cabinet body (1), its characterized in that, be equipped with shutter formula drying cabinet device, intercommunication stoving pipeline device and stoving heat preservation heat abstractor and control mechanism (2) in electric power cabinet body (1), thereby shutter formula drying cabinet device passes through the telescopic link and is connected with the shutter, two crisscross drier bags that distribute on the rack thereby according to the drier bag that
The state of the drying agent is used for adjusting the opening and closing of the shutter, the shutter type drying box device is connected with the drying pipeline communicating device, and the drying agent and the air in the electric power cabinet body are dried through the matching of an electric heating wire and two conical plates which are arranged in the pipeline;
the louver type drying box device comprises an electric power cabinet body (1), wherein two circular heat dissipation ports (3) are formed in the side surfaces of the two sides of the electric power cabinet body (1), circular dust covers (4) are installed in the circular heat dissipation ports (3), air exhaust fans (5) are installed outside the circular heat dissipation ports (3), two drying boxes (6) are installed above the side surfaces of the two sides in the electric power cabinet body (1), the drying boxes (6) are communicated with the circular heat dissipation ports (3), two fixed screen plates (7) are installed on the two sides of the center in the drying boxes (6), a plurality of montmorillonite drying agent bags (8) are installed on the fixed screen plates (7), the montmorillonite drying agent bags (8) are evenly distributed on the fixed screen plates (7), the montmorillonite drying agent bags (8) on the two fixed screen plates (7) are distributed in a staggered mode, and an adjusting louver device is arranged on the side surface of one side of, the adjusting shutter device comprises a shutter window (9) opened on the side surface of one side of the drying box (6), a shutter frame (10) installed in the shutter window (9), a plurality of blades (11) are arranged in the shutter frame (10), the blades (11) are uniformly distributed in the shutter frame (10), rotary short shafts (12) are installed at the two ends of the blades (11), the rotary short shafts (12) are inserted into the shutter frame (10), the rotary short shafts (12) are movably connected with the shutter frame (10), a waterproof sealing gasket (13) is installed on the upper surface of each blade (11), two stretching springs (14) are installed at the two ends of the upper side of one side of the shutter frame (10), adjusting ropes (15) are installed at the lower ends of the stretching springs (14), and the adjusting ropes (15) are fixedly connected with one side of the blades (11), two miniature electric telescopic rods (16) are mounted at two ends of the lower part of one side of the louver frame (10), and the telescopic ends of the miniature electric telescopic rods (16) are fixedly connected with an adjusting rope (15);
the device for communicating the drying pipeline comprises a drying square pipe (17) mounted on the lower surface inside the electric cabinet body (1), vertical drying pipes (18) are mounted at two ends of the drying square pipe (17), the two vertical drying pipes (18) are respectively fixedly connected with the lower ends of two drying boxes (6), a dehumidifying pipe (19) is mounted at the center of the upper surface of the drying square pipe (17), a conical closing plate (20) is mounted at the upper end inside the dehumidifying pipe (19), a small support (21) is mounted inside the conical closing plate (20), a conical cover plate (22) is mounted on the small support (21), and two spiral electric heating wires (23) are mounted on two sides of the center inside of the drying square pipe (17);
an air humidity sensor (29) is installed in the center of the upper surface inside the power cabinet body (1), a desiccant bag is in contact with air for a long time to absorb moisture in the air, after the moisture absorbed by the desiccant bag is in a saturated state, the moisture in the air starts to enter the power cabinet body (1), the air humidity in the power cabinet body (1) is detected through the air humidity sensor (29), when the air humidity inside the power cabinet body (1) reaches a set threshold value, the device enters a desiccant drying mode at the moment, a miniature electric telescopic rod (16) starts to extend out, the miniature electric telescopic rod (16) enables an adjusting rope (15) to be in a loose state through extension, meanwhile, the adjusting rope (15) starts to move upwards under the action of a tension spring (14), and along with the upward movement of the adjusting rope (15), one side of a blade (11) is in contact, the louver frame (10) is shielded, the louver frame is sealed through a waterproof sealing gasket (13), a spiral electric heating wire (23) starts to heat, an air extracting fan (5) starts to work, the air extracting fan (5) extracts air from the circular heat dissipation ports (3) inside the electric cabinet body (1) and on the other side through the connection of a drying square pipe (17), two vertical drying pipes (18) and a dehumidifying pipe (19), air enters the drying square pipe (17) through the vertical drying pipes (18) and the dehumidifying pipe (19), the temperature of the air is raised through the heating of the spiral electric heating wire (23), meanwhile, moisture in the air is evaporated, the evaporated moisture enters a drying box (6) on one side along with the flowing of the air, and is continuously blown to a drying agent bag through high-temperature air, so that the moisture in the drying agent bag is evaporated, and is discharged from the air extracting fan (5) along with the flowing of the air, when the air extracting fan (5) at one side works for a certain time, the air extracting fan (5) at the other side is controlled to work, so that the montmorillonite desiccant bag (8) in the drying box (6) at the other side is dried through the same structure, the miniature electric telescopic rod is controlled to contract (16) at the moment, the blades 11 are opened, and then the dehumidification in the electric power cabinet body (1) can be carried out again,
the drying heat-preservation heat-dissipation device comprises a heat-dissipation opening (24) formed on the lower surface of the electric cabinet body (1), the position of the heat dissipation opening (24) corresponds to that of the drying square tube (17), the heat dissipation sheet (25) is arranged in the heat dissipation opening (24), the radiating fins (25) are connected with the lower surface of the drying square tube (17), a square sealing baffle plate (26) is arranged above the drying square tube (17), the rear end of the square sealing baffle (26) is fixedly connected with the electric power cabinet body (1), the square sealing baffle (26) is positioned below the drying box (6), the front end of the square sealing baffle (26) is provided with a rubber sealing gasket (27), the square sealing baffle (26) is movably connected with the dehumidification pipe (19) and the vertical drying pipe (18), a heat insulation material (28) is arranged below the square sealing baffle (26), and the heat insulation material (28) fills the space below the square sealing baffle (26); the drying square tube (17) is in a large V shape; the conical closing plate (20) has its tip directed downwards and the conical cover plate (22) has its tip directed upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298315.1A CN109974438B (en) | 2019-04-15 | 2019-04-15 | High-efficient dehydrating unit is used to electric power cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298315.1A CN109974438B (en) | 2019-04-15 | 2019-04-15 | High-efficient dehydrating unit is used to electric power cabinet |
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| Publication Number | Publication Date |
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| CN109974438A CN109974438A (en) | 2019-07-05 |
| CN109974438B true CN109974438B (en) | 2021-03-23 |
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| CN201910298315.1A Active CN109974438B (en) | 2019-04-15 | 2019-04-15 | High-efficient dehydrating unit is used to electric power cabinet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884116B (en) * | 2020-08-17 | 2021-12-07 | 广西亿源电气有限公司 | Self-radiating box-type substation |
| CN114101171B (en) * | 2021-11-12 | 2022-11-08 | 深圳市美雅洁技术股份有限公司 | Double-cabin cleaning equipment and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN109974438A (en) | 2019-07-05 |
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