CN111653962A - Constant-temperature dehumidifying power distribution cabinet - Google Patents
Constant-temperature dehumidifying power distribution cabinet Download PDFInfo
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- CN111653962A CN111653962A CN202010582429.1A CN202010582429A CN111653962A CN 111653962 A CN111653962 A CN 111653962A CN 202010582429 A CN202010582429 A CN 202010582429A CN 111653962 A CN111653962 A CN 111653962A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Abstract
The invention discloses a constant-temperature dehumidifying power distribution cabinet, which comprises a power distribution cabinet shell, wherein a power distribution cabinet body and a gas inlet are fixedly arranged in the power distribution cabinet shell, and the gas inlet is positioned between the power distribution cabinet shell and the power distribution cabinet body; through air-supply line and centrifugal fan in with air suction heat exchanger, handle the back through heat exchanger, moisture content condensation in the air becomes the drop of water this moment, dry air input after will handling carries out the constant temperature in to the constant temperature structure and handles, dehumidification and constant temperature can not combine the processing in can solving current scheme, cause the wasting of resources and the not good problem of processing result, line concentration piece and guard plate through setting up, can collect the internal connecting wire of switch board, the easy ageing oxidation damage of connecting wire in having solved current device, the easy mistake bumps and leads to not hard up problem, the filter block of setting, air filter screen and handle piece, the problem that the air filter effect is not good and be difficult to the clearance in the current scheme has been solved.
Description
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a power distribution cabinet device, in particular to a constant-temperature dehumidification power distribution cabinet.
Background
The power distribution cabinet is a general name of a motor control center, and part of power grid equipment manufacturers adopt a ventilation method for cooling and dehumidifying, but the problem that in summer, the outdoor temperature is high originally, and the circulating air temperature is also high, so that the equipment runs at an excessive temperature, an internal circuit fails, and in humid weather, the equipment is more prone to being affected by humidity circulation, and the internal environment of the power distribution cabinet is prone to being affected by humidity due to circuit short circuit, so that the maintenance cost of the power distribution cabinet is increased, and meanwhile, the stable power supply of a power supply system is greatly influenced;
the invention with the application number of CN201721415937 discloses a constant-temperature and constant-humidity power distribution cabinet, which is Z-shaped, wherein a middle cavity is used for mounting various electronic components, a wire switch, a temperature sensor and a humidity sensor, when the temperature is too high, the temperature sensor transmits a signal for sensing the too high temperature to an intelligent control system, the intelligent control system starts a refrigerating and air conveying fan, and cold air is conveyed into the middle cavity through an upper cold air channel, so that the temperature is reduced, and the cold air is blown down from the upper part, and the temperature is reduced more rapidly; when the temperature is too low or the humidity is too high, the intelligent control system starts the heating and air conveying fan, hot air enters the middle cavity from the hot air channel at the lower end, the temperature rising speed is higher, and moisture is easier to rise along with the hot air and flows away from the ventilation opening and the cold air channel; not only heat up, cooling, dehumidification are faster, and refrigeration air conveying machine and heating air conveying machine all do not directly set up in the middle part holds the chamber in addition, all have certain installation distance with inside electronic components for inside electronic components is difficult to ageing more. But has the following disadvantages: (1) the device does not combine the constant temperature treatment device with the dehumidification device, and the distribution treatment of the two devices not only causes the waste of resources, but also increases more occupied area of the equipment, so that the constant temperature treatment and the dehumidification treatment are not efficient; (2) the device does not perform good filtering treatment on the particulate matters and floccules in the air, so that the work of the air in the constant-temperature treatment device and the dehumidification device is influenced, the particulate matters and the floccules can block parts in the constant-temperature treatment device and the dehumidification device, and the device is damaged and cannot work; (3) the device does not do the protection to the connecting wire and handles, and the connecting wire exposes in the air of different humidity for a long time, makes the connecting wire ageing, oxidation cause the damage easily, and then influences the normal work of switch board.
Disclosure of Invention
In order to overcome the technical problem, the invention aims to provide a constant-temperature dehumidification power distribution cabinet which comprises:
(1) according to the invention, the temperature and the humidity of the air in the power distribution cabinet body are detected by the arranged temperature sensor and the humidity sensor, when the temperature and the humidity exceed standard values, the air in the power distribution cabinet body 2 is pumped into the heat exchanger through the air inlet pipe and the centrifugal fan, after the air is treated by the heat exchanger, the moisture in the air is condensed into water drops, the water drops are discharged through the water storage box and the water outlet pipe, the treated dry air is input into the constant temperature structure for constant temperature treatment, and the problem that dehumidification and constant temperature cannot be combined in the existing scheme can be solved;
(2) according to the invention, through the arrangement of the line concentration block and the protection plate, connecting lines in the power distribution cabinet body can be collected, the connecting lines pass through the line clamping holes in the line clamping blocks, the protection pad can play a role in protecting and clamping the connecting lines, so that not only can the problem of friction and damage of the connecting lines in the line clamping blocks be eliminated, but also the connecting lines can be effectively isolated from air, the problem that the connecting lines are easy to oxidize and age is solved, the line concentration block has strong flexibility and elasticity, the line concentration block and the line arranging block can be conveniently clamped and fixed through the fixing of the line concentration block and the protection plate, and the problem that the protection performance of the connecting lines is;
(3) according to the invention, the air filter screen is embedded in the filter block through the filter block, the air filter screen and the handle block, when air enters the air inlet pipe, floccules and particles in the air can be effectively filtered through the air filter screen, so that the air can be conveniently subjected to subsequent dehumidification and constant temperature treatment, the filter block is fixed at the bottom of the power distribution cabinet body through the fixing block and the second fixing clamp pad, and the filter block is more convenient to install and disassemble through a clamping connection mode.
The purpose of the invention can be realized by the following technical scheme:
a constant-temperature and dehumidifying power distribution cabinet comprises a power distribution cabinet shell, wherein a power distribution cabinet body and an air inlet are fixedly arranged in the power distribution cabinet shell, the air inlet is positioned between the power distribution cabinet shell and the power distribution cabinet body, a flat cable block is fixedly arranged on the inner surface of the power distribution cabinet body, the outer surface of the flat cable block is movably connected with a line concentration block close to the upper position, a filter block is movably arranged on the inner surface of the power distribution cabinet body close to the lower position, an air filter screen is embedded in the filter block, an air inlet pipe is movably connected with the lower surface of the filter block, a fixed block is fixedly arranged on one side of the filter block, a friction block is fixedly arranged on the outer surface of the filter block, a handle block is fixedly arranged on the outer surface of the friction block, a constant-temperature dehumidifying structure is arranged on one side of the power distribution cabinet shell, the upper surface of the constant-temperature dehumidification structure is movably connected with an air outlet pipe;
the constant-temperature dehumidification structure comprises a centrifugal fan, a heat exchanger and a water storage box, wherein the centrifugal fan is positioned above the heat exchanger, the heat exchanger is positioned on one side of the water storage box, an adjusting valve is fixedly arranged at a position, close to the upper part, of the outer surface of the centrifugal fan, a pressure sensor is fixedly arranged on one side of the water storage box, a constant-temperature structure and a compressor are fixedly arranged at a position, close to the upper part, in the constant-temperature dehumidification structure, the compressor is positioned above the constant-temperature structure, the constant-temperature structure comprises a heating block and a refrigerating block, and the heating block is positioned on one side of the refrigerating;
the utility model discloses a heating device, including heating piece, refrigeration piece, fixed surface, collection piece, line clamping piece, the internal fixed surface of heating piece installs the casing that heats, the inside of heating piece is provided with the condenser, the lower fixed surface of refrigeration piece installs and collects piece and expansion valve, it is located one side of expansion valve to collect the piece, the inside of refrigeration piece is close to the fixedly connected with connecting pipe of position of top, the inside of line clamping piece is inlayed and is had first fixation clamp pad, the internal surface of line clamping piece is provided with first magic and pastes and the line clamping piece, first magic is pasted and is located the below of line clamping piece, the internal surface parcel of line clamping piece has the protection pad, the external surface swing joint of line clamping piece has the spliced pole, the external surface movable mounting of spliced pole has the guard plate.
As a further scheme of the invention: the internal surface of the distribution cabinet body is close to the position fixed mounting of one side and has temperature sensor, the internal surface of the distribution cabinet body is close to the position fixed mounting of opposite side and has humidity transducer, the line concentration piece is fixed with the block joint of winding displacement through first fixed clamp pad.
As a further scheme of the invention: the shape of fixed block is n shape, the inside of fixed block is inlayed and is had the fixed clamp pad of second, the width and the height that highly all are less than the fixed block of the fixed clamp pad of second, the connected mode of fixed clamp pad of second and fixed block is for splicing.
As a further scheme of the invention: the outer surface of the friction block is provided with a plurality of concave-convex grooves, the friction block and the handle block are L-shaped, and the filter block is pulled up or moved down through the friction block and the handle block.
As a further scheme of the invention: the constant temperature structure passes through cable and water storage box swing joint, the position between constant temperature structure and the water storage box is provided with the PLC controller.
As a further scheme of the invention: a plurality of the guard plate is equidistant and distributes side by side, the fixed surface of guard plate installs the second magic and pastes and seal the pad, the second magic is pasted and is located the top that seals up, the shape and the size homogeneous phase that the first magic of second magic was pasted are the same.
As a further scheme of the invention: the guard plate passes through the second magic and pastes and paste and double-layered line piece swing joint with first magic, be provided with the double-layered line hole in the double-layered line piece, the width and the height of sealed pad are the same with the width and the height homonymy in double-layered line hole, sealed pad is for splicing with the connected mode of guard plate.
As a further scheme of the invention: the constant temperature dehumidification step of the equipment is as follows:
the method comprises the following steps: the temperature sensor and the humidity sensor monitor the temperature and the humidity of air in the power distribution cabinet body, when the temperature and the humidity exceed or are lower than preset standard values, the temperature standard value of the power distribution cabinet is 15 ℃ and the relative humidity standard value is less than 75% at low voltage, the temperature standard value of the power distribution cabinet is 25 ℃ and the relative humidity standard value is less than 50% at high voltage, the PLC starts the centrifugal fan, air in the power distribution cabinet body is sucked into the heat exchanger through the air inlet pipe, and floccules and particles in the air are filtered through the air filter screen;
step two: after air enters a heat exchanger and is processed, the humidity value of the air in low pressure or high pressure is lower than a relative humidity standard value, moisture in the air is condensed into water drops and conveyed to a water storage box, a pressure sensor monitors the pressure of the water drops in the water storage box and discharges the water drops through a water outlet pipe, and the processed dry air is input into a constant temperature structure for constant temperature processing;
step three: the PLC receives data of the temperature sensor, and according to a preset standard value, if the air temperature is lower than the temperature standard value, the processed dry air is conveyed into the heating block through the regulating valve, when the air passes through the heating block, the air temperature is raised through the heating strips in the heating block, the temperature of the heating strips is regulated and controlled by the PLC, and the heated air is output through the connecting pipe; if the air temperature is higher than the temperature standard value, the processed dry air is conveyed into the refrigerating block through the regulating valve, when the air passes through the refrigerating block, a condenser in the refrigerating block condenses the air, water drops generated by condensation are collected through the collecting block, a condensation temperature PLC controller of the condenser performs regulation control, and the condensed air is output through the connecting pipe;
step four: air after heating or condensation passes through the outlet duct and carries to air inlet department, and the air after the processing passes through the inside that the air inlet got into the distribution cabinet body, and then circulates the diffusion in the internal portion of distribution cabinet for the internal portion of distribution cabinet keeps the effect of constant temperature dehumidification.
The invention has the beneficial effects that:
1. detect the internal air temperature and humidity of switch board through the temperature sensor and the humidity transducer that set up, when temperature and humidity surpassed the standard value, through air-supply line and centrifugal fan with the internal air suction heat exchanger of switch board in, handle the back through heat exchanger, the moisture content condensation in the air becomes the drop of water this moment, pass through water storage box and outlet pipe discharge with the drop of water, carry out the constant temperature processing in importing the air of the drying after will handling to constant temperature structure, handle dehumidification and constant temperature and combine together the processing, avoid causing the wasting of resources.
2. Through the line concentration piece and the guard plate that set up, can collect the internal connecting wire of switch board, pass the trapping mechanism hole in the trapping mechanism piece with the connecting wire, the protection is filled up and can be played protection and tight effect of clamp to the connecting wire, both can eliminate the problem of connecting wire friction damage in the trapping mechanism piece, can effectively keep apart connecting wire and air again, solve the easy oxidative aging's of connecting wire problem, the line concentration piece has stronger elasticity and elasticity, it is fixed with the block of arranging the line to carry out the block through first fixed trapping mechanism convenience, easy to assemble and dismantlement, the guard plate plays the effect of protection to the trapping mechanism piece, eliminate the accumulational problem of particulate matter in the trapping mechanism piece, the easy ageing oxidative damage of connecting wire among the prior art device has been solved, the easy mistake is bumped and is leaded to not hard up.
3. Through the filter block that sets up, air filter screen and handle piece, air filter screen inlays the inside at filter block, during the air admission air-supply line, can effectively filter floccule and particulate matter in the air through air filter screen, make things convenient for subsequent dehumidification of air and constant temperature to handle, filter block passes through fixed block and the fixed bottom of filling up and fixing at the distribution cabinet body of second clamp, the connected mode through the block makes filter block's installation and dismantlement work more convenient, can be better carry out the cleaning work to filter block, through stirring rubbing block and handle piece up, can be with filter block and distribution cabinet body bottom separation, the problem that air filter effect is not good and be difficult to the clearance in the current scheme has been solved.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of a constant-temperature and dehumidifying power distribution cabinet according to the present invention.
FIG. 2 is a schematic structural view of a constant temperature dehumidification structure according to the present invention.
Fig. 3 is a schematic structural diagram of a heating block and a cooling block in the present invention.
Fig. 4 is a schematic structural diagram of the hub block of the present invention.
Fig. 5 is a schematic view of the structure of the filter block of the present invention.
In the figure 1, a power distribution cabinet shell; 2. a power distribution cabinet body; 3. a wire arranging block; 4. a line concentration block; 401. a first stationary clamp pad; 402. a first magic tape; 403. a wire clamping block; 404. a protective pad; 5. a temperature sensor; 6. a humidity sensor; 7. a filter block; 701. an air screen; 702. a fixed block; 703. a second stationary clamp pad; 704. a friction block; 705. a handle block; 8. an air inlet pipe; 9. a constant temperature dehumidification structure; 901. a water outlet pipe; 902. an air outlet pipe; 903. an air inlet; 10. a constant temperature structure; 11. a centrifugal fan; 12. a heat exchanger; 13. a water storage box; 14. a compressor; 15. a heating block; 16. a refrigeration block; 17. a PLC controller; 18. adjusting a valve; 19. a pressure sensor; 20. a heating housing; 21. a refrigeration housing; 22. heating the strip; 23. a condenser; 24. collecting blocks; 25. an expansion valve; 26. a connecting pipe; 27. connecting columns; 28. a protection plate; 29. a second magic tape; 30. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-5, a constant temperature power distribution cabinet capable of dehumidifying, includes a power distribution cabinet shell 1, the inside fixed mounting of power distribution cabinet shell 1 has a power distribution cabinet body 2 and an air inlet 903, air inlet 903 is located at the position between power distribution cabinet shell 1 and power distribution cabinet body 2, the internal fixed surface of power distribution cabinet body 2 has a winding displacement block 3, the position that the surface of winding displacement block 3 is close to the top has a winding displacement block 4, the position that the internal surface of power distribution cabinet body 2 is close to the bottom has a filter block 7, the inside of filter block 7 is inlayed with an air filter screen 701, the lower surface of filter block 7 has an air inlet pipe 8, one side of filter block 7 has a fixed block 702, the external fixed surface of filter block 7 has a friction block 704, the external fixed surface of friction block 704 has a handle block 705, one side of power distribution cabinet shell 1 is provided with a constant temperature dehumidifying structure 9, a water outlet pipe 901 is fixedly arranged at a position, close to the lower part, on the outer surface of the constant temperature dehumidification structure 9, and an air outlet pipe 902 is movably connected to the upper surface of the constant temperature dehumidification structure 9;
the constant temperature dehumidification structure 9 comprises a centrifugal fan 11, a heat exchanger 12 and a water storage box 13, wherein the centrifugal fan 11 is positioned above the heat exchanger 12, the heat exchanger 12 is positioned on one side of the water storage box 13, a regulating valve 18 is fixedly arranged on the outer surface of the centrifugal fan 11 at a position close to the upper part, a pressure sensor 19 is fixedly arranged on one side of the water storage box 13, a constant temperature structure 10 and a compressor 14 are fixedly arranged in the constant temperature dehumidification structure 9 at a position close to the upper part, the compressor 14 is positioned above the constant temperature structure 10, the constant temperature structure 10 comprises a heating block 15 and a refrigerating block 16, and the heating block 15 is positioned on one side of the refrigerating block 16;
a heating shell 20 is fixedly installed on the inner surface of the heating block 15, a heating strip 22 is arranged inside the heating shell 20, a refrigeration shell 21 is fixedly arranged on the inner surface of the refrigeration block 16, a condenser 23 is arranged in the refrigeration shell 21, the lower surface of the refrigeration block 16 is fixedly provided with a collection block 24 and an expansion valve 25, the collection block 24 is positioned at one side of the expansion valve 25, a connecting pipe 26 is fixedly connected to a position near the upper part inside the refrigeration block 16, a first fixing clamp pad 401 is embedded inside the line concentration block 4, the inner surface of the wire collecting block 4 is provided with a first magic tape 402 and a wire clamping block 403, the first magic tape 402 is positioned below the wire clamping block 403, the inner surface of the wire clamping block 403 is wrapped with a protective pad 404, the outer surface of the wire collecting block 4 is movably connected with a connecting column 27, and the outer surface of the connecting column 27 is movably provided with a protective plate 28.
The internal surface of the distribution cabinet body 2 is close to the fixed position of one side and has temperature sensor 5, the internal surface of the distribution cabinet body 2 is close to the fixed position of opposite side and has humidity transducer 6, line concentration piece 4 is fixed with 3 blocks of winding displacement through first fixed clamp pad 401.
The shape of fixed block 702 is n shape, the inside of fixed block 702 is inlayed and is had second fixing clip pad 703, the width and the height of second fixing clip pad 703 all are less than the width and the height of fixed block 702, the connected mode of second fixing clip pad 703 and fixed block 702 is for gluing.
The outer surface of the friction block 704 is provided with a plurality of concave-convex grooves, the friction block 704 and the handle block 705 are L-shaped, and the filter block 7 is pulled up or moved down through the friction block 704 and the handle block 705.
The constant temperature structure 10 is movably connected with the water storage box 13 through a cable, and a PLC (programmable logic controller) 17 is arranged between the constant temperature structure 10 and the water storage box 13.
A plurality of protection plate 28 is equidistant and distributes side by side, the fixed surface of protection plate 28 installs second magic subsides 29 and sealed the pad 30, second magic subsides 29 are located the top of sealed pad 30, the shape and the size homogeneous phase of second magic subsides 29 and first magic subsides 402 are the same.
The guard plate 28 is through second magic subsides 29 and first magic subsides 402 and double-layered line piece 403 swing joint, be provided with in the double-layered line hole in the double-layered line piece 403, the width and the height that seal up 30 are the same with the width and the height homoenergetic in double-layered line hole, the connected mode of seal up 30 and guard plate 28 is for gluing.
The constant temperature dehumidification step of the equipment is as follows:
the method comprises the following steps: the temperature sensor 5 and the humidity sensor 6 monitor the temperature and the humidity of air in the power distribution cabinet body 2, when the temperature and the humidity exceed or are lower than preset standard values, the temperature standard value of the power distribution cabinet at low voltage is 15 ℃, the relative humidity standard value is less than 75%, the temperature standard value of the power distribution cabinet at high voltage is 25 ℃, the relative humidity standard value is less than 50%, the PLC 17 starts the centrifugal fan 11, air in the power distribution cabinet body 2 is sucked into the heat exchanger 12 through the air inlet pipe 8, and floccules and particles in the air are filtered through the air filter screen 701;
step two: after air enters the heat exchanger 12 and is processed, the humidity value of the air in low pressure or high pressure is lower than a relative humidity standard value, moisture in the air is condensed into water drops and is conveyed to the water storage box 13, the water drops are discharged through the water outlet pipe 901 by monitoring the pressure of the water drops in the water storage box 13 through the pressure sensor 19, and the processed dry air is input into the constant temperature structure 10 for constant temperature processing;
step three: the PLC 17 receives the data of the temperature sensor 5, according to a preset standard value, if the air temperature is lower than the temperature standard value, the processed dry air is conveyed to the heating block 15 through the regulating valve 18, when the air passes through the heating block 15, the temperature of the air is raised through the heating strips 22 in the heating block 15, the temperature of the heating strips 22 is regulated and controlled by the PLC 17, and the heated air is output through the connecting pipe 26; if the air temperature is higher than the temperature standard value, the processed dry air is conveyed into the refrigerating block 16 through the regulating valve 18, when the air passes through the refrigerating block 16, the air is condensed by a condenser 23 in the refrigerating block 16, water drops generated by condensation are collected by a collecting block 24, a condensation temperature PLC (programmable logic controller) 17 of the condenser 23 is regulated and controlled, and the condensed air is output through a connecting pipe 26;
step four: the air after heating or condensation passes through outlet duct 902 and carries to air inlet 903 department, and the air after the processing passes through air inlet 903 and gets into the inside of the distribution cabinet body 2, and then circulates the diffusion in the distribution cabinet body 2 is inside for the inside effect that keeps constant temperature dehumidification of the distribution cabinet body 2.
Example 2
A constant-temperature power distribution cabinet capable of dehumidifying is characterized in that when the power distribution cabinet works, a temperature sensor 5 and a humidity sensor 6 detect the temperature and the humidity of air in a power distribution cabinet body 2, the model of the temperature sensor 5 is TXY510, the model of the humidity sensor 6 is C15-M53R, when the temperature and the humidity exceed or are lower than preset standard values, the standard temperature value of the power distribution cabinet at low voltage is 15 ℃, the standard relative humidity value is less than 75%, the standard temperature value of the power distribution cabinet at high voltage is 25 ℃, the standard relative humidity value is less than 50%, a PLC (programmable logic controller) 17 starts a centrifugal fan 11, air in the power distribution cabinet body 2 is sucked into a heat exchanger 12 through an air inlet pipe 8 and the centrifugal fan 11, the model of the centrifugal fan 11 is GNT-12138, the model of the heat exchanger 12 is BL14, an air filter screen 701 is embedded in a filter block 7, and when the air enters the air inlet pipe 8, subsequent dehumidification and constant temperature treatment of air are facilitated, the filter block 7 is fixed at the bottom of the power distribution cabinet body 2 through the fixing block 702 and the second fixing clamp pad 703, the filter block 7 is more convenient to mount and dismount through a clamping connection mode, cleaning work can be better performed on the filter block 7, the filter block 7 can be separated from the bottom of the power distribution cabinet body 2 by shifting the friction block 704 and the handle block 705 upwards, moisture in the air is condensed into water drops after treatment through the heat exchanger 12, the water drops are discharged through a water outlet pipe 901 and a model HM22 of the pressure sensor 19 by monitoring the pressure of the water drops in the water storage box 13, and the treated dry air is input into the constant temperature structure 10 for constant temperature treatment;
the PLC 17 receives the data of the temperature sensor 5, according to a preset standard value, if the air temperature is lower than the temperature standard value, the processed dry air is conveyed to the heating block 15 through the regulating valve 18, when the air passes through the heating block 15, the temperature of the air is raised through the heating strips 22 in the heating block 15, the temperature of the heating strips 22 is regulated and controlled by the PLC 17, and the heated air is output through the connecting pipe 26; if the air temperature is higher than the temperature standard value, the processed dry air is conveyed into the refrigerating block 16 through the regulating valve 18, when the air passes through the refrigerating block 16, the air is condensed by a condenser 23 in the refrigerating block 16, water drops generated by condensation are collected by a collecting block 24, a condensation temperature PLC (programmable logic controller) 17 of the condenser 23 is regulated and controlled, and the condensed air is output through a connecting pipe 26;
heated or condensed air is conveyed to the air inlet 903 through the air outlet pipe 902, the treated air enters the inside of the distribution cabinet body 2 through the air inlet 903 and is then circularly diffused in the inside of the distribution cabinet body 2, so that the inside of the distribution cabinet body 2 keeps a constant-temperature dehumidification effect, the treated air enters from the upper part of the distribution cabinet body 2, long-term contact between the air and the wire arranging block 3 in the distribution cabinet body 2 is avoided, the influence of the treated air on the wire arrangement on the wire arranging block 3 is eliminated, the arranged wire collecting block 4 and the protection plate 28 can collect connecting wires in the distribution cabinet body 2, the connecting wires penetrate through wire clamping holes in the wire clamping blocks 403, the protection pad 404 can play a role in protecting and clamping the connecting wires, the problem of friction damage of the connecting wires in the wire clamping blocks 403 can be eliminated, the connecting wires can be effectively isolated from the air, and the problem of easy oxidation and aging of the connecting wires is solved, line concentration piece 4 has stronger elasticity and elasticity, and it is fixed to conveniently carry out the block with line concentration piece 4 and winding displacement piece 3 through first fixed clamp pad 401, easy to assemble and dismantlement, and guard plate 28 plays the effect of protection to line concentration piece 403, eliminates the accumulational problem of particulate matter in line concentration piece 403, has solved the easy ageing oxidation damage of connecting wire among the prior art device, has collided the problem that leads to becoming flexible by easy mistake.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a but power distribution cabinet of constant temperature dehumidification, a serial communication port, including switch board shell (1), the inside fixed mounting of switch board shell (1) has switch board body (2) and air inlet (903), air inlet (903) are located the position between switch board shell (1) and the switch board body (2), the internal fixed surface of switch board body (2) installs winding displacement piece (3), the surface of winding displacement piece (3) is close to the position swing joint of top has line concentration piece (4), the internal surface of switch board body (2) is close to the position movable mounting of below has filter block (7), the inside of filter block (7) is inlayed and is had air filter screen (701), the lower surface swing joint of filter block (7) has air inlet pipe (8), one side fixed mounting of filter block (7) has fixed block (702), the external fixed mounting of filter block (7) has clutch block (704), a handle block (705) is fixedly installed on the outer surface of the friction block (704), a constant-temperature dehumidification structure (9) is arranged on one side of the power distribution cabinet shell (1), a water outlet pipe (901) is fixedly installed at a position, close to the lower part, of the outer surface of the constant-temperature dehumidification structure (9), and a gas outlet pipe (902) is movably connected to the upper surface of the constant-temperature dehumidification structure (9);
the constant temperature dehumidification structure (9) comprises a centrifugal fan (11), a heat exchanger (12) and a water storage box (13), the centrifugal fan (11) is located above the heat exchanger (12), the heat exchanger (12) is located on one side of the water storage box (13), an adjusting valve (18) is fixedly installed on the outer surface of the centrifugal fan (11) close to the upper position, a pressure sensor (19) is fixedly installed on one side of the water storage box (13), a constant temperature structure (10) and a compressor (14) are fixedly installed on the inner portion of the constant temperature dehumidification structure (9) close to the upper position, the compressor (14) is located above the constant temperature structure (10), the constant temperature structure (10) comprises a heating block (15) and a refrigerating block (16), and the heating block (15) is located on one side of the refrigerating block (16);
the utility model discloses a heating device, including heating piece (15), refrigeration piece (15), the internal surface fixed mounting of heating piece (15) has heating casing (20), the inside of heating casing (20) is provided with heating strip (22), the internal surface fixed mounting of refrigeration piece (16) has refrigeration casing (21), the inside of refrigeration casing (21) is provided with condenser (23), the lower fixed surface of refrigeration piece (16) installs and collects piece (24) and expansion valve (25), it is located one side of expansion valve (25) to collect piece (24), the inside of refrigeration piece (16) is close to the position fixedly connected with connecting pipe (26) of top, the inside of line concentration piece (4) is inlayed and is had first fixed clamp pad (401), the internal surface of line concentration piece (4) is provided with first magic subsides (402) and clamp line piece (403), first magic subsides (402) are located the below of clamp line piece (403), the internal surface parcel of clamp line piece (403) has protection pad (404), the outer surface swing joint of line concentration piece (4) has spliced pole (27), the surface movable mounting of spliced pole (27) has guard plate (28).
2. The constant-temperature and dehumidifying power distribution cabinet according to claim 1, wherein a temperature sensor (5) is fixedly mounted at a position, close to one side, of the inner surface of the power distribution cabinet body (2), a humidity sensor (6) is fixedly mounted at a position, close to the other side, of the inner surface of the power distribution cabinet body (2), and the wire collecting block (4) is fixedly clamped with the wire arranging block (3) through a first fixing clamping pad (401).
3. The constant-temperature and dehumidifying power distribution cabinet according to claim 1, wherein the fixed block (702) is n-shaped, a second fixing clamp pad (703) is embedded in the fixed block (702), the width and the height of the second fixing clamp pad (703) are both smaller than those of the fixed block (702), and the second fixing clamp pad (703) and the fixed block (702) are connected by gluing.
4. The power distribution cabinet capable of achieving constant temperature and dehumidification according to claim 1, wherein a plurality of concave-convex grooves are formed in the outer surface of the friction block (704), the friction block (704) and the handle block (705) are L-shaped, and the filter block (7) is pulled up or moved down through the friction block (704) and the handle block (705).
5. The thermostatic dehumidification electric power distribution cabinet according to claim 1, characterized in that the thermostatic structure (10) is movably connected with the water storage box (13) through a cable, and a PLC (17) is arranged between the thermostatic structure (10) and the water storage box (13).
6. The constant-temperature and dehumidifying power distribution cabinet according to claim 1, wherein the protection plates (28) are distributed side by side at equal intervals, a second magic tape (29) and a sealing gasket (30) are fixedly mounted on the outer surfaces of the protection plates (28), the second magic tape (29) is located above the sealing gasket (30), and the second magic tape (29) and the first magic tape (402) are identical in shape and size.
7. The constant-temperature and dehumidifying power distribution cabinet according to claim 6, wherein the protection plate (28) is movably connected with the wire clamping block (403) through a second magic tape (29) and a first magic tape (402), a wire clamping hole is formed in the wire clamping block (403), the width and the height of the sealing gasket (30) are the same as those of the wire clamping hole, and the sealing gasket (30) is connected with the protection plate (28) in a gluing mode.
8. A thermostatic, dehumidifiable power distribution cabinet according to claims 1-7, characterized in that the thermostatic dehumidification step of the apparatus is:
the method comprises the following steps: the temperature sensor (5) and the humidity sensor (6) monitor the temperature and the humidity of air in the power distribution cabinet body (2), when the temperature and the humidity exceed or are lower than preset standard values, the temperature standard value of a power distribution cabinet at low voltage is 15 ℃, the relative humidity standard value is less than 75%, the temperature standard value of the power distribution cabinet at high voltage is 25 ℃, and the relative humidity standard value is less than 50%, the PLC (17) starts the centrifugal fan (11), air in the power distribution cabinet body (2) is sucked into the heat exchanger (12) through the air inlet pipe (8), and floccules and particulate matters in the air are filtered through the air filter screen (701);
step two: after air enters a heat exchanger (12) and is processed, the humidity value of the air in low pressure or high pressure is lower than a relative humidity standard value, the moisture in the air is condensed into water drops and is conveyed to a water storage box (13), a pressure sensor (19) monitors the pressure of the water drops in the water storage box (13) and discharges the water drops through a water outlet pipe (901), and the processed dry air is input into a constant temperature structure (10) for constant temperature processing;
step three: the PLC (17) receives data of the temperature sensor (5), according to a preset standard value, if the air temperature is lower than the temperature standard value, the processed dry air is conveyed into the heating block (15) through the regulating valve (18), when the air passes through the heating block (15), the air temperature is raised through the heating strips (22) in the heating block (15), the temperature of the heating strips (22) is regulated and controlled by the PLC (17), and the heated air is output through the connecting pipe (26); if the air temperature is higher than the temperature standard value, the processed dry air is conveyed into the refrigerating block (16) through the regulating valve (18), when the air passes through the refrigerating block (16), the air is condensed by a condenser (23) in the refrigerating block (16), water drops generated by condensation are collected by a collecting block (24), a condensation temperature PLC (programmable logic controller) (17) of the condenser (23) is regulated and controlled, and the condensed air is output through a connecting pipe (26);
step four: the air after heating or condensation passes through outlet duct (902) and carries to air inlet (903) department, and the air after the processing passes through air inlet (903) and gets into the inside of the distribution cabinet body (2), and then circulates the diffusion in distribution cabinet body (2) inside for the inside effect that keeps constant temperature dehumidification of distribution cabinet body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582429.1A CN111653962A (en) | 2020-06-23 | 2020-06-23 | Constant-temperature dehumidifying power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582429.1A CN111653962A (en) | 2020-06-23 | 2020-06-23 | Constant-temperature dehumidifying power distribution cabinet |
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| CN111653962A true CN111653962A (en) | 2020-09-11 |
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| CN202010582429.1A Withdrawn CN111653962A (en) | 2020-06-23 | 2020-06-23 | Constant-temperature dehumidifying power distribution cabinet |
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| CN102155472A (en) * | 2011-04-13 | 2011-08-17 | 三河市同飞制冷设备有限公司 | Energy storage type constant temperature oil cooler |
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Application publication date: 20200911 |