CN114389156A - Intelligent drying processing method for secondary terminal box of electrical equipment - Google Patents
Intelligent drying processing method for secondary terminal box of electrical equipment Download PDFInfo
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- CN114389156A CN114389156A CN202111495248.6A CN202111495248A CN114389156A CN 114389156 A CN114389156 A CN 114389156A CN 202111495248 A CN202111495248 A CN 202111495248A CN 114389156 A CN114389156 A CN 114389156A
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- 238000001035 drying Methods 0.000 title claims abstract description 42
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000007791 dehumidification Methods 0.000 claims abstract description 50
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 230000002159 abnormal effect Effects 0.000 claims abstract description 4
- 238000005338 heat storage Methods 0.000 claims description 37
- 239000011232 storage material Substances 0.000 claims description 19
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 230000000740 bleeding effect Effects 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 description 17
- 238000009825 accumulation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses an intelligent drying processing method for a secondary terminal box of electrical equipment, which comprises the following steps: monitoring the change of the environmental parameters in the secondary terminal box; when the environmental parameters are abnormal, the secondary terminal box is synchronously started to exhaust air, dehumidify and heat; condensed water generated by air extraction and dehumidification is gathered in the water storage box, and the condensed water in the water storage box flows into the heat exchange channel; hot air is introduced into the secondary terminal box, and meanwhile, the heat exchange channel is wrapped outside the secondary terminal box and is used for exchanging heat with the secondary terminal box; hot water in the heat exchange channel exchanges heat with the secondary terminal box and then flows back to the water storage box, and the sequential heat exchange of the water is completed. The heat exchange channel is used for carrying out heat exchange on waste heat generated in the processes of air exhaust and dehumidification and exhaust heating in the secondary terminal box, the processes of air exhaust and dehumidification and exhaust heating form a circulating dry air flow channel to be matched with the heat exchange channel for synchronous drying of the secondary terminal box, the drying efficiency is greatly improved, and the energy is fully utilized.
Description
Technical Field
The invention relates to the technical field of maintenance of electrical equipment, in particular to a drying processing method for a secondary terminal box of the electrical equipment.
Background
The secondary terminal boxes of the equipment such as the mutual inductor are easy to enter water and be affected with damp in a high-humidity environment due to the aging of a sealing ring, the corrosion of a cover plate and the like. Once the secondary terminal box is affected with damp, the insulation resistance value between the secondary terminals is reduced, and the dielectric loss test data is inaccurate, so that the operation state of the electrical equipment is not easy to be correctly evaluated. In the past, when the situations occur, operators mainly adopt methods such as hot air gun drying, natural air drying or moisture absorption material adsorption to process; the shortcoming of hot-blast rifle stoving mainly needs work of eminence and stoving temperature and time in the operation personnel to be difficult to control always, and the high temperature leads to the impaired and personnel of secondary terminal to scald easily, and the time overlength still can cause personnel psychological anxiety, and then increases the eminence risk of falling, and natural air-dry and absorbent material adsorb the time that needs longer, brings bigger pressure for this maintenance work with regard to nervous.
Disclosure of Invention
The intelligent drying processing method for the secondary terminal box of the electrical equipment is provided for solving the technical problems that manual drying is mainly used during drying processing of the secondary terminal box of the electrical equipment at present, operation difficulty is high, and falling risk exists in high-altitude operation.
The invention realizes the purpose through the following technical scheme:
the application discloses intelligent drying processing method for secondary terminal boxes of electrical equipment, which comprises the following steps:
s1, monitoring the change of the environmental parameters in the secondary terminal box;
s2, when the environmental parameters are abnormal, synchronously starting air extraction and dehumidification and exhaust heating in the secondary terminal box;
s3, converging the condensed water generated by air extraction and dehumidification into a water storage box, wherein the condensed water in the water storage box flows into a heat exchange channel, and the heat exchange channel is used for absorbing heat generated in the air extraction and dehumidification process and the exhaust heating process and then exchanging heat with a secondary terminal box;
s4, absorbing partial heat generated by air extraction, dehumidification and exhaust heating by the phase change heat storage material;
s5, the heat exchange channel exchanges heat with the heat storage material, and meanwhile, the exhaust heating heats the heat exchange channel and air exhausted into the secondary terminal box;
s6, introducing hot air into the secondary terminal box, and meanwhile, wrapping the heat exchange channel outside the secondary terminal box for heat exchange with the secondary terminal box;
and S7, the hot water in the heat exchange channel exchanges heat with the secondary terminal box and then flows back to the water storage box to finish the sequential heat exchange of the water.
This application removes the waste heat that the dehumidification of bleeding and exhaust heating process will produce through heat transfer passageway in to the secondary terminal box and carries out the heat exchange, and the heat transfer passageway after dehumidification of bleeding and exhaust heating process form the dry air current channel cooperation heat exchange of circulation realizes the synchronous drying to the secondary terminal box, has improved drying efficiency greatly to the make full use of the energy has been realized.
Preferably, the environmental parameters in step S1 include a temperature parameter and a humidity parameter, and a temperature sensor for monitoring the temperature parameter and a humidity sensor for monitoring the humidity parameter are disposed in the secondary terminal box.
Preferably, in the step S2, a circulation airflow path for drying the secondary terminal box is formed during the air exhaust, dehumidification and exhaust heating process.
Preferably, step S2 is middle to bleed and is dehumidified and exhaust heating adopts dehydrating unit and heating device respectively, the retaining box is integrated in the dehydrating unit, the interlude of heat transfer passageway is integrated among the heating device, the heat dissipation section parcel of heat transfer passageway is in the secondary terminal box outside, just the heat dissipation section of heat transfer passageway with the retaining box is linked together, phase change heat accumulation material is integrated in step S4 heating device, dehydrating unit with heating device is integrated in the equipment box, the secondary terminal box outside is provided with the protection box, the protection box with the equipment box is connected.
Preferably, the heat dissipation part of the dehumidification device is embedded in the heating device, and the heat dissipation part of the dehumidification device is wrapped by the phase change heat storage material.
Preferably, the dehumidifying device comprises a dehumidifying box, the dehumidifying box is integrated in the equipment box, the water storage box is arranged in the dehumidifying box, a semiconductor refrigerating sheet is arranged in the dehumidifying box, a refrigerating end of the semiconductor refrigerating sheet is arranged in the dehumidifying box, and a heat radiating end of the semiconductor refrigerating sheet penetrates through the dehumidifying box and is arranged in the heating device; the dehumidification box is provided with and is used for with the fan of bleeding that moisture took out in the secondary terminal box, set up on the dehumidification box with the gas vent that the fan of bleeding corresponds, the gas vent with the dehumidification box is linked together.
Preferably, a circulating water pump is arranged in the water storage box and communicated with the heat exchange channel, and a water collecting opening communicated with the dehumidification box is formed in the upper portion of the water storage box.
Preferably, the heating device comprises a heating box, the heating box is integrated in the equipment box, a heat storage cavity is formed in the equipment box, a phase change heat storage material is filled in the heat storage cavity, the heat dissipation end of the semiconductor refrigeration piece is arranged in the heat storage cavity, and the middle section of the heat exchange channel is arranged in the heat storage cavity; the top of the heating box is provided with a heating component; the equipment box is provided with an exhaust fan used for introducing hot air into the secondary terminal box, the equipment box is provided with an air inlet corresponding to the exhaust fan, and the air inlet is communicated with the heating box.
Preferably, the heating assembly comprises heating resistance wires which are arranged at the top of the heating box in parallel, and part of the heating resistance wires are arranged in the heat storage cavity in a penetrating manner.
Preferably, a control panel is arranged in the equipment box, the control panel is provided with a storage battery and an MCU, the storage battery is electrically connected with the MCU, and the MCU is respectively electrically connected with the exhaust fan and the heating assembly.
Compared with the prior art, beneficial effect lies in:
according to the secondary terminal box, the heat exchange channel is used for carrying out heat exchange on waste heat generated in the processes of air exhaust and dehumidification and exhaust heating in the secondary terminal box, the circulating dry air channel is formed in the processes of air exhaust and dehumidification and exhaust heating and is matched with the heat exchange channel after heat exchange to realize synchronous drying of the secondary terminal box, the drying efficiency is greatly improved, and the energy is fully utilized;
the heat generated by the semiconductor refrigerating sheet and the heating resistance wire during working is absorbed and stored by the heat storage material in the heat storage cavity, the middle section of the heat exchange channel is integrated in the heat storage cavity, the middle section of the heat exchange channel is wrapped by the phase change heat storage material, during the operation, the low-temperature water in the water storage box flows into the heat exchange channel, the low-temperature water bath phase change heat storage material in the heat exchange channel carries out heat exchange, so that the heating temperature of the low-temperature water rises, the heated low-temperature water is heated again by the heating resistance wire when passing through the heat exchange channel kept in the heating cavity, the heated hot water exchanges heat with the secondary terminal box through the heat exchange channel, meanwhile, the heating cavity carries out drying treatment on the hot air introduced into the secondary terminal box, the cooled warm water after heat exchange flows into the water storage box again through the heat exchange channel, and circulates according to realize the drying and heat preservation in the secondary terminal box, and the full utilization of energy is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the operation of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the secondary terminal box of the present invention.
Fig. 4 is a schematic view of an installation structure of the heating cassette and the dehumidifying cassette of the present invention.
Fig. 5 is a schematic view of the internal structure of the heating box and the dehumidifying box of the present invention.
The reference numerals are explained below:
1 is a protection box, 2 is an equipment box, 3 is a secondary terminal box, and 4 is a heat exchange channel;
21 is a dehumidification box, 211 is a drain pipe, 212 is an air extraction fan, 213 is a semiconductor refrigeration piece, 214 is a circulating water pump, and 215 is a water storage box;
22 is a heating box, 221 is an exhaust fan, 222 is a heating resistance wire, and 223 is a heat storage cavity.
Detailed Description
The technical scheme of the invention is further explained by combining the accompanying drawings 1-5 as follows:
as shown in fig. 1 to 5, the present application discloses an intelligent drying processing method for a secondary terminal box of an electrical device, comprising the following steps:
s1, monitoring the change of the environmental parameters in the secondary terminal box, wherein the environmental parameters comprise temperature parameters and humidity parameters, and a temperature sensor for monitoring the temperature parameters and a humidity sensor for monitoring the humidity parameters are arranged in the secondary terminal box. That is to say, utilize temperature sensor and humidity transducer real-time supervision secondary terminal box in temperature and humidity parameter variation, the signal real-time transmission to MCU of temperature sensor and humidity transducer monitoring.
S2, when the environmental parameters are abnormal, the secondary terminal box 3 is synchronously opened for air extraction and dehumidification and air exhaust and heating. That is to say, when the temperature parameter is less than the temperature and sets for the threshold value, when humidity parameter is higher than setting for the humidity threshold value simultaneously, MCU control dehumidification of bleeding and exhaust heating device start, take out the higher air of humidity with step-by-step in the secondary terminal box, let in the secondary terminal box with outside air heating drying back simultaneously and carry out drying process.
In some embodiments, the circulation airflow path for drying the secondary terminal box 3 is formed during the air-extracting, dehumidifying, and exhaust-heating process in step S2. That is to say, when the air with higher humidity is pumped out from the secondary terminal box, the hot air after heating and drying is synchronously pumped into the secondary terminal box, the pumped hot air forms a directional hot air channel in the secondary terminal box, the air with higher humidity is pumped out to form a directional wet air channel, because the density of the wet air is greater than that of the hot air, and under the pressure of the pumped hot air and the negative pressure state of the pumped wet air, a circulating drying channel with cold and hot intervals is formed in the secondary terminal box, the hot air gradually discharges the wet air, and then the full drying treatment in the secondary terminal box is realized.
In some embodiments, the air exhaust dehumidification and the exhaust heating in the step S2 respectively adopt a dehumidification device and a heating device, a heat dissipation part of the dehumidification device is embedded in the heating device, the heat dissipation part of the dehumidification device is wrapped by the phase change heat storage material, the water storage box 215 is integrated in the dehumidification device, a middle section of the heat exchange channel 4 is integrated in the heating device, a heat dissipation section of the heat exchange channel 4 is wrapped outside the secondary terminal box, and the heat dissipation section of the heat exchange channel 4 is communicated with the water storage box 215. That is to say, utilize dehydrating unit in with the cold air suction of secondary terminal box to dehydrating unit, the interlude of heat transfer passageway 4 sets up in heating device to the interlude of heat transfer passageway 4 has one section secondary heating section from the redundancy in the heating device, realizes the secondary heating of heat transfer passageway and handles, and whole heat transfer passageway constitutes water circulation circuit with the water storage box.
S3, condensing water generated by air suction and dehumidification is gathered in the water storage box 215, the condensing water in the water storage box 215 flows into the heat exchange channel, and the heat exchange channel 4 is used for absorbing heat generated in the air suction and dehumidification process and the exhaust heating process and then exchanges heat with the secondary terminal box 3. That is to say, when dehydrating unit took out the cold air in with the secondary terminal box, the cold air condenses into the water droplet in dehydrating unit cooling, and in the water droplet assembles the retaining box, the ponding that the retaining box will assemble sent into the heat transfer passageway and absorbs the heat back of bleeding dehumidification process and exhaust heating process production and carry out the heat exchange with the secondary terminal box, realizes the make full use of the energy.
S4, absorbing part of heat generated by air extraction, dehumidification and exhaust heating by a phase change heat storage material, integrating the phase change heat storage material in the heating device in the step S4, integrating the dehumidification device and the heating device in an equipment box 2, arranging a protection box 1 outside the secondary terminal box 3, and connecting the protection box 1 with the equipment box 2. That is to say, integrate dehydrating unit and heating device in the equipment box respectively, install the equipment box on the protection box that is equipped with secondary terminal box, utilize dehydrating unit and heating device respectively with secondary terminal box intercommunication, dehydrating unit and heating device are by the phase change heat storage material absorption storage of the part heat that produces in the operation process.
S5, the heat exchange path exchanges heat with the heat storage material, while exhaust heating heats the heat exchange path and the air discharged into the secondary terminal box 3. That is to say, the phase change heat storage material after absorbing heat exchanges heat with low-temperature water in the heat exchange channel to realize primary heating, the warm water after primary heating is secondarily heated by the heating component in the redundant section of the heating device, so that the hot water in the heat exchange channel wrapped on the secondary terminal box exchanges heat with the secondary terminal box, when the heat exchange channel exchanges heat with the secondary terminal box, the hot air introduced into the secondary terminal box from the heating device is dried again, the drying efficiency of the secondary terminal box is greatly improved, and the temperature of the low-temperature water in the water storage box rises after multiple cycles, when the follow-up dehumidification and exhaust heating of stopping bleeding, utilize the warm water continuous cycle of heat transfer passageway and then play the secondary terminal box effect of keeping warm, when the temperature is less than the settlement threshold value in the secondary terminal box, restart dehydrating unit and heating device once more.
S6, hot air is introduced into the secondary terminal box 3, and meanwhile, the heat exchange channel wraps the outer side of the secondary terminal box 3 and is used for exchanging heat with the secondary terminal box 3. That is to say, when carrying out the drying in the secondary terminal box, the parcel has the heat transfer passageway that lets in hydrothermal outside the secondary terminal box, utilizes heat transfer passageway to carry out the heat exchange to the secondary terminal box, improves the drying efficiency of secondary terminal box on the one hand, and on the other hand helps follow-up secondary terminal box heat preservation to be handled, lets in the hot-air in the secondary terminal box simultaneously, utilizes the hot-air to carry out the heating drying in the secondary terminal box.
S7, the hot water in the heat exchange channel 4 exchanges heat with the secondary terminal box 3 and then flows back to the water storage box 215, and the sequential heat exchange of the water is completed. That is to say, hot water in the heat exchange channel flows back to the water storage box after exchanging heat with the secondary terminal box, and the water circulation heat exchange is integrally completed, so that the waste heat recycling in the dehumidification and heating processes is realized, and the waste heat is utilized to heat and preserve heat of the secondary terminal box.
Specifically, the dehumidifying device comprises a dehumidifying box 21, the dehumidifying box 21 is integrated in the equipment box 2, the water storage box 215 is arranged in the dehumidifying box 21, a semiconductor refrigerating sheet 213 is arranged in the dehumidifying box 21, a refrigerating end of the semiconductor refrigerating sheet 213 is arranged in the dehumidifying box 21, and a heat radiating end of the semiconductor refrigerating sheet 213 penetrates through the dehumidifying box 21 and is arranged in the heating device; the dehumidifying box 21 is provided with an air exhaust fan 212 for exhausting the moisture in the secondary terminal box 3, the dehumidifying box 21 is provided with an air exhaust port corresponding to the air exhaust fan, and the air exhaust port is communicated with the dehumidifying box 21. That is to say, when needs dehumidify the secondary terminal box, utilize the extraction fan with the cold air suction in the secondary terminal box to the dehumidification box in, the semiconductor refrigeration piece starts to reduce the interior temperature of dehumidification box simultaneously, the cold air condenses into the water droplet in the dehumidification box, the water droplet is collected and is flowed into in the retaining box, the follow-up water circulation heat exchange water of being convenient for. It should be noted that in order to satisfy the normal water circulation flow, the water storage box is pre-stored with the circulation water.
Specifically, a circulating water pump 214 is arranged in the water storage box 215, the circulating water pump 214 is communicated with the heat exchange channel 4, and a water collecting opening communicated with the dehumidification box 21 is arranged at the upper part of the water storage box 215. That is, the cold air is condensed into water drops in the dehumidification box, the water flow is converged at the position of the water collecting port and flows into the water storage box, and the water in the water storage box is sent into the heat exchange channel by the circulating water pump to realize water circulation heat exchange.
In some embodiments, a liquid level sensor is arranged in the water storage box 215, a water drainage pipe 211 is arranged at the lower part of the water storage box 215, a water drainage valve is arranged on the water drainage pipe 211, the liquid level sensor is used for monitoring the water level in the water storage box 215 in real time, after the water level exceeds an alarm position, the MCU in the control box controls the water drainage valve to open for drainage, after the water level is reduced to the alarm position, the processor controls the water drainage valve to close, so that automatic drainage in the water storage box is completed, and manual participation is not needed
In some embodiments, the water collecting opening is Y-shaped, and the slope formed by the Y-shaped water collecting opening is used for facilitating liquid water formed in the dehumidification box to quickly flow into the water storage box after falling on the slope.
Specifically, the heating device comprises a heating box 22, the heating box 22 is integrated in the equipment box 2, a heat storage cavity 223 is formed in the equipment box 2, the heat storage cavity 223 is filled with a phase change heat storage material, the heat dissipation end of the semiconductor refrigeration sheet 213 is arranged in the heat storage cavity 223, and the middle section of the heat exchange channel 4 is arranged in the heat storage cavity 223; the heating assembly is arranged on the top of the heating box 22; the equipment box 2 is provided with an exhaust fan 221 for introducing hot air into the secondary terminal box, the equipment box 2 is provided with an air inlet corresponding to the exhaust fan 221, and the air inlet is communicated with the heating box 22. That is to say, when carrying out exhaust heating in the terminal box to the secondary, heating element starts, and heat transfer passageway carries out a heat transfer back in the heat accumulation intracavity simultaneously, flows out after the secondary heating in the terminal box of heating redundant one section heat transfer passageway and carries out the heat exchange with secondary terminal box, and the exhaust fan sends into hot-air in to secondary terminal box simultaneously, and is synchronous to the outside and the inside heating drying of secondary terminal box, improves whole drying efficiency greatly.
In some embodiments, a control panel is disposed in the equipment box 2, the control panel is provided with a storage battery and an MCU, the storage battery is electrically connected with the MCU, the MCU is electrically connected with the exhaust fan and the heating assembly respectively, the MCU is electrically connected with the temperature sensor, the humidity sensor, the exhaust fan, the semiconductor refrigeration sheet and the circulating water pump respectively, the heating assembly includes a heating resistance wire 222, the heating resistance wire 222 is disposed at the top of the heating box 222 in parallel, and a part of the heating resistance wire 222 is inserted into the heat storage cavity 223. That is to say, some of heating resistor silk is located the top of heating box, and the top in heat accumulation chamber is worn to establish by the other end of heating resistor silk, when utilizing the heating resistor silk to realize air heating, the heat accumulation material of being convenient for absorbs the heat, and the heat accumulation material stores the heat and is convenient for follow-up dehumidification heating after stopping, and the heat accumulation material is convenient for keep warm with the heat transfer passageway heat exchange and is handled the secondary terminal box.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The intelligent drying processing method for the secondary terminal box of the electrical equipment is characterized by comprising the following steps of:
s1, monitoring the change of the environmental parameters in the secondary terminal box;
s2, when the environmental parameters are abnormal, synchronously starting air extraction and dehumidification and exhaust heating in the secondary terminal box;
s3, converging the condensed water generated by air extraction and dehumidification into a water storage box, wherein the condensed water in the water storage box flows into a heat exchange channel, and the heat exchange channel is used for absorbing heat generated in the air extraction and dehumidification process and the exhaust heating process and then exchanging heat with a secondary terminal box;
s4, absorbing partial heat generated by air extraction, dehumidification and exhaust heating by the phase change heat storage material;
s5, the heat exchange channel exchanges heat with the heat storage material, and meanwhile, the heat exchange channel and air discharged into the secondary terminal box are heated in the exhaust heating process;
s6, introducing hot air into the secondary terminal box, and meanwhile, wrapping the heat exchange channel outside the secondary terminal box for heat exchange with the secondary terminal box;
and S7, the hot water in the heat exchange channel exchanges heat with the secondary terminal box and then flows back to the water storage box to finish the sequential heat exchange of the water.
2. The intelligent drying method for secondary terminal box of electrical equipment as claimed in claim 1, wherein the environmental parameters in step S1 include temperature parameter and humidity parameter, and a temperature sensor for monitoring the temperature parameter and a humidity sensor for monitoring the humidity parameter are disposed in the secondary terminal box.
3. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 1, wherein in the step S2, a circulating airflow channel for drying the secondary terminal box is formed in the processes of air exhaust, dehumidification and exhaust heating.
4. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 1, wherein in the step S2, a dehumidifying device and a heating device are respectively adopted for air exhaust and dehumidification and exhaust heating, the water storage box is integrated in the dehumidifying device, the middle section of the heat exchange channel is integrated in the heating device, the heat dissipation section of the heat exchange channel is wrapped outside the secondary terminal box, the heat dissipation section of the heat exchange channel is communicated with the water storage box, in the step S4, the phase change heat storage material is integrated in the heating device, the dehumidifying device and the heating device are integrated in an equipment box, and a protection box is arranged outside the secondary terminal box and connected with the equipment box.
5. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 4, wherein the heat dissipation part of the dehumidifying device is embedded in the heating device, and the heat dissipation part of the dehumidifying device is wrapped by the phase change heat storage material.
6. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 4 or 5, wherein the dehumidifying device comprises a dehumidifying box, the dehumidifying box is integrated in the equipment box, the water storage box is arranged in the dehumidifying box, a semiconductor refrigerating sheet is arranged in the dehumidifying box, a refrigerating end of the semiconductor refrigerating sheet is arranged in the dehumidifying box, and a heat radiating end of the semiconductor refrigerating sheet penetrates through the dehumidifying box and is arranged in the heating device; the dehumidification box is provided with and is used for with the fan of bleeding that moisture took out in the secondary terminal box, set up on the dehumidification box with the gas vent that the fan of bleeding corresponds, the gas vent with the dehumidification box is linked together.
7. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 6, wherein a circulating water pump is arranged in the water storage box, the circulating water pump is communicated with the heat exchange channel, and a water collecting opening communicated with the dehumidification box is arranged at the upper part of the water storage box.
8. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 6, wherein the heating device comprises a heating box, the heating box is integrated in the equipment box, a heat storage cavity is formed in the equipment box, a phase-change heat storage material is filled in the heat storage cavity, the heat dissipation end of the semiconductor refrigeration piece is arranged in the heat storage cavity, and the middle section of the heat exchange channel is arranged in the heat storage cavity; the top of the heating box is provided with a heating component; the equipment box is provided with an exhaust fan used for introducing hot air into the secondary terminal box, the equipment box is provided with an air inlet corresponding to the exhaust fan, and the air inlet is communicated with the heating box.
9. The intelligent drying processing method for the secondary terminal box of the electrical equipment as claimed in claim 8, wherein the heating assembly comprises heating resistance wires, the heating resistance wires are arranged on the top of the heating box in parallel, and part of the heating resistance wires penetrate through the heat storage cavity.
10. The intelligent drying method for the secondary terminal box of the electrical equipment as claimed in claim 8, wherein a control panel is arranged in the equipment box, the control panel is provided with a storage battery and an MCU, the storage battery is electrically connected with the MCU, and the MCU is electrically connected with the exhaust fan and the heating assembly respectively.
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| CN202111495248.6A CN114389156B (en) | 2021-12-09 | 2021-12-09 | Intelligent drying treatment method for secondary terminal box of electrical equipment |
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| CN202111495248.6A CN114389156B (en) | 2021-12-09 | 2021-12-09 | Intelligent drying treatment method for secondary terminal box of electrical equipment |
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| CN114389156B CN114389156B (en) | 2024-07-30 |
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| KR20050038256A (en) * | 2003-10-21 | 2005-04-27 | 최동각 | Cold and heat device for combined dehumidify |
| CN103759508A (en) * | 2014-01-03 | 2014-04-30 | 哈尔滨工程大学 | Respiration type drying and sterilizing quilt cleaner and respiration type drying and sterilizing quilt cleaning method |
| CN106654926A (en) * | 2016-11-10 | 2017-05-10 | 国网节能服务有限公司 | Energy-saving type power distribution cabinet air conditioning device and method thereof |
| CN107611820A (en) * | 2017-09-28 | 2018-01-19 | 成都汉度科技有限公司 | A kind of dehumidification system for being used for box-type substation and ring main unit |
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