CN111237981A - Deicing method and deicing device for water pan of dehumidifier - Google Patents

Deicing method and deicing device for water pan of dehumidifier Download PDF

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Publication number
CN111237981A
CN111237981A CN202010149935.1A CN202010149935A CN111237981A CN 111237981 A CN111237981 A CN 111237981A CN 202010149935 A CN202010149935 A CN 202010149935A CN 111237981 A CN111237981 A CN 111237981A
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CN
China
Prior art keywords
heat exchanger
compressor
dehumidifier
water pan
deicing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010149935.1A
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Chinese (zh)
Inventor
田中丈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO DEYE DOMESTIC ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd.
Original Assignee
Deye Japan Co ltd
Ningbo Deye Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deye Japan Co ltd, Ningbo Deye Technology Co ltd filed Critical Deye Japan Co ltd
Priority to CN202010149935.1A priority Critical patent/CN111237981A/en
Publication of CN111237981A publication Critical patent/CN111237981A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • 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
    • F25B2600/00—Control issues
    • F25B2600/01—Timing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Drying Of Gases (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an ice melting device of a water pan of a dehumidifier, which comprises a dehumidifier body, wherein a first heat exchanger, a second heat exchanger, a compressor, a pressure reducer, a fan, a four-way reversing valve and a temperature detector arranged on the first heat exchanger are arranged in the dehumidifier body, the fan is positioned at the rear end of the second heat exchanger, the first heat exchanger is positioned at the front end of the second heat exchanger, two ends of the first heat exchanger are respectively connected with the pressure reducer and one end of the four-way reversing valve, two ends of the second heat exchanger are respectively connected with the pressure reducer and the other end of the four-way reversing valve, the other two ends of the four-way reversing valve are connected with two ends of the compressor, the water pan is arranged below the first heat exchanger and the second heat exchanger, and the compressor is positioned below the water pan. The invention also discloses an ice melting method of the water pan of the dehumidifier, and the invention realizes the energy-saving effect.

Description

Deicing method and deicing device for water pan of dehumidifier
Technical Field
The invention relates to the technical field of dehumidifiers, in particular to an ice melting method and an ice melting device for a water receiving disc of a dehumidifier.
Background
The dehumidifier is also called dehumidifier, drier and dehumidifier, generally divided into two categories of civil dehumidifier and industrial dehumidifier, belonging to one part of air-conditioning family. Generally, a conventional dehumidifier is composed of a compressor, a heat exchanger, a fan, a water container, a cabinet, and a controller.
The working principle is as follows: the wet air is pumped into the dehumidifier by a fan, passes through a heat exchanger, water molecules in the air are condensed into water drops, the treated dry air is discharged out of the dehumidifier, and the indoor humidity is kept at the proper relative humidity by circulation, wherein the refrigerant circulation process of the dehumidifier is as follows: the liquid refrigerant in the evaporator absorbs heat in air and begins to evaporate, the air is cooled and dehumidified, the liquid refrigerant is evaporated to be gaseous and then is sucked and compressed (pressure and temperature are increased) by the compressor, the gaseous refrigerant discharges heat through the condenser, the air is heated, the refrigerant is condensed to be liquid, the liquid refrigerant is throttled by the expansion valve and then becomes low-temperature and low-pressure refrigerant, and the low-temperature and low-pressure refrigerant enters the evaporator, so that the refrigerant circulation process is completed.
The existing dehumidifier is easy to frost under the low-temperature working condition, generally needs defrosting, and the defrosting process is easy to cause the water pan to freeze due to too low temperature, so that the heating wire is arranged at the bottom of the water pan to realize the function of defrosting in the process of heating the water pan, but the energy waste is serious due to the need of resetting the heating wire, and how to design the defrosting method with good energy-saving effect is very important.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an ice melting method and an ice melting device for a water pan of a dehumidifier, which can automatically melt ice in the water pan by using the heat of a compressor inside the dehumidifier and realize an energy-saving effect without additionally arranging a heating wire.
In order to achieve the purpose, the invention provides an ice melting method for a water pan of a dehumidifier, which specifically comprises the following steps:
s1, providing a dehumidifier, wherein the dehumidifier comprises a first heat exchanger, a second heat exchanger, a compressor, a pressure reducer, a fan, a four-way reversing valve and a temperature detector arranged on the first heat exchanger;
s2, starting the dehumidifying operation, and when the dehumidifier is in a defrosting mode;
s3, accumulating the dehumidification times through a formula of Cd = Cd + 1, and obtaining the defrosting operation time Cd of the defrosting operation of the first heat exchanger;
s4, acquiring preset defrosting times Cs of the heat exchanger, and judging whether Cd ≧ Cs is established or not; if yes, go to step S5; if not, returning to the step S2;
s5, considering that the defrosting control of the water pan is started, and starting to calculate the running time Td of the defrosting control at the moment;
s6, enabling the compressor to be in an open state and enabling the blower to enter a closed state;
s7, acquiring preset ice melting control time Ts1, and judging whether Td ≧ Ts1 is established or not; if yes, go to step S8; if not, returning to the step S6;
s8, measuring and calculating the temperature Tn of the first heat exchanger, comparing the temperature Tn with the acquired set temperature Ts of the first heat exchanger, and judging whether the temperature Tn is equal to or larger than the set temperature Ts; if yes, go to step S9; if not, returning to the step S6;
s9, enabling the compressor to be in a stop state;
s10, starting to calculate the stop time St of the compressor;
s11, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S12;
s12, judging whether St ≧ Sx is established or not, wherein Sx is preset compressor stop time Sx, and if yes, entering step S13; if not, go to step S9;
s13, changing the compressor from the stop state to the start state;
s14, starting to calculate the compressor driving time Dt;
s15, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S16;
s16, judging whether Dt ≧ Dx is established or not, wherein Dx is preset compressor driving time Dx, and if yes, entering step S10; if not, go to step S13;
and S17, ending the deicing control.
The invention also discloses an ice melting device of the dehumidifier water pan, which comprises a dehumidifier body, wherein a first heat exchanger, a second heat exchanger, a compressor, a pressure reducer, a fan, a four-way reversing valve and a temperature detector arranged on the first heat exchanger are arranged in the dehumidifier body, the fan is positioned at the rear end of the second heat exchanger, the first heat exchanger is positioned at the front end of the second heat exchanger, two ends of the first heat exchanger are respectively connected with the pressure reducer and one end of the four-way reversing valve, two ends of the second heat exchanger are respectively connected with the pressure reducer and the other end of the four-way reversing valve, the other two ends of the four-way reversing valve are connected with two ends of the compressor, the water pan is arranged below the first heat exchanger and the second heat exchanger, and the compressor is positioned below the water pan.
Further, for convenient installation, the four-way reversing valve is positioned below the water pan.
Further, in order to improve the deicing effect, the first heat exchanger and the second heat exchanger are mounted on the mounting bracket, and the water pan and the mounting bracket are integrally formed.
Furthermore, in order to improve the deicing effect, a compressor containing cavity with two blocked sides is arranged in the mounting support, the compressor containing cavity is matched with the shell of the dehumidifier body to form a heat storage bin, the heat storage bin is positioned below the water pan, and an outlet communicated with the bottom of the water pan is arranged above the compressor containing cavity.
Furthermore, heat diffusion is avoided, the ice melting effect is influenced, heat shields for preventing heat diffusion are arranged on two sides of the bottom of the water receiving tray respectively, and the heat shields are located on the outer side of the outlet.
Further, the efficiency of deicing is improved, energy-conserving effect is further realized, the compressor holds the export bore in chamber and equals one half of water collector bottom bore.
The invention obtains an ice melting method and an ice melting device for a water pan of a dehumidifier, the invention realizes better energy-saving effect of ice melting without adding a heater at the later stage by placing a compressor below the water pan and then melting ice generated on the water pan by heat generated during the operation of the compressor.
Drawings
Fig. 1 is a schematic flow chart of an upper half part of an ice melting method for a water pan of a dehumidifier in embodiment 1;
fig. 2 is a schematic flow diagram of the lower half of the ice melting method for the water pan of the dehumidifier of embodiment 1;
FIG. 3 is a schematic view showing the connection of a control part of the ice melting apparatus of the water pan of the dehumidifier of embodiment 1;
FIG. 4 is a first schematic view of the internal structure of the ice melting device of the water pan of the dehumidifier in the embodiment 1 when the shell is removed;
FIG. 5 is a second schematic view of the internal structure of the ice melting device of the water pan of the dehumidifier of embodiment 1 when the shell is removed;
fig. 6 is a graph showing the operation state of the compressor for deicing in embodiment 1.
In the figure: the dehumidifier comprises a first heat exchanger 1, a second heat exchanger 2, a compressor 3, a pressure reducer 4, a fan 5, a four-way reversing valve 6, a water pan 7, a mounting bracket 8, a compressor accommodating cavity 9, a heat storage bin 10, an outlet 11, a heat shield 12, a temperature detector 13 and a dehumidifier body 14.
Detailed Description
In order to more clearly understand the technical scheme of the invention, the invention is further illustrated by the following embodiments in combination with the accompanying drawings.
Example 1:
as shown in fig. 1-2, the method for melting ice on a water pan of a dehumidifier provided in this embodiment specifically includes the following steps:
s1, providing a dehumidifier, wherein the dehumidifier comprises a first heat exchanger, a second heat exchanger, a compressor, a pressure reducer, a fan, a four-way reversing valve and a temperature detector arranged on the first heat exchanger;
s2, starting the dehumidifying operation, and when the dehumidifier is in a defrosting mode;
s3, accumulating the dehumidification times through a formula of Cd = Cd + 1, and obtaining the defrosting operation time Cd of the defrosting operation of the first heat exchanger;
s4, acquiring preset defrosting times Cs of the heat exchanger, and judging whether Cd ≧ Cs is established or not; if yes, go to step S5; if not, returning to the step S2;
s5, considering that the defrosting control of the water pan is started, and starting to calculate the running time Td of the defrosting control at the moment;
s6, enabling the compressor to be in an open state and enabling the blower to enter a closed state;
s7, acquiring preset ice melting control time Ts1, and judging whether Td ≧ Ts1 is established or not; if yes, go to step S8; if not, returning to the step S6;
s8, measuring and calculating the temperature Tn of the first heat exchanger, comparing the temperature Tn with the acquired set temperature Ts of the first heat exchanger, and judging whether the temperature Tn is equal to or larger than the set temperature Ts; if yes, go to step S9; if not, returning to the step S6;
s9, enabling the compressor to be in a stop state;
s10, starting to calculate the stop time St of the compressor;
s11, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S12;
s12, judging whether St ≧ Sx is established or not, wherein Sx is preset compressor stop time Sx, and if yes, entering step S13; if not, go to step S9;
s13, changing the compressor from the stop state to the start state;
s14, starting to calculate the compressor driving time Dt;
s15, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S16;
s16, judging whether Dt ≧ Dx is established or not, wherein Dx is preset compressor driving time Dx, and if yes, entering step S10; if not, go to step S13;
and S17, ending the deicing control.
The invention firstly obtains the data of the condition that the defrosting times reach a plurality of times through experiments, the defrosting times of the water pan can be frozen at the moment, then the defrosting times corresponding to the freezing of the water pan is preset and stored, the defrosting times are monitored in real time when the defrosting starts in the later period and are compared with the preset defrosting times Cd, once the defrosting times obtained in real time are more than the preset defrosting times (namely the deicing requirement is reached), the compressor is started to work to generate heat, the heat rises to perform deicing operation on the ice on the water pan, the running time Td of the deicing is obtained at the moment and is judged with the preset deicing time, and whether the deicing can be finished or not is judged by comparing the process of calculating the temperature Tn of the first heat exchanger with the preset temperature mechanical energy, and the service life of the compressor is prolonged by discontinuously controlling the compressor to stop or start in the whole control process, the method can judge the icing state of the water pan by detecting the defrosting times in real time, realize the automatic operation process of deicing the water pan by controlling the compressor to be intermittently started and stopped when the preset icing requirement is met, realize the deicing operation process of the water pan without additionally arranging a heating device, ensure the problem that the compressor is damaged due to long-time use by intermittently controlling the compressor, and finally prolong the service life of the compressor.
As shown in fig. 3-5, the embodiment further discloses an ice melting device for a water pan of a dehumidifier, which includes a dehumidifier body 14, a first heat exchanger 1, a second heat exchanger 2, a compressor 3, a decompressor 4, a fan 5, a four-way reversing valve 6 and a temperature detector 13 arranged on the first heat exchanger 1 are arranged in the dehumidifier body 14, the fan 5 is arranged at the rear end of the second heat exchanger 2, the first heat exchanger 1 is arranged at the front end of the second heat exchanger 2, two ends of the first heat exchanger 1 are respectively connected with the decompressor 4 and one end of the four-way reversing valve 6, two ends of the second heat exchanger 2 are respectively connected with the decompressor 4 and the other end of the four-way reversing valve 6, the other two ends of the four-way reversing valve 6 are connected with two ends of the compressor 3, the water pan 7 is arranged below the first heat exchanger 1 and the second heat exchanger 2, the compressor 3 is positioned below the water pan 7.
Further, for the convenience of installation, the four-way reversing valve 6 is positioned below the water pan 7.
Further, in order to improve the deicing effect, the first heat exchanger 1 and the second heat exchanger 2 are mounted on a mounting bracket 8, and the water pan 7 and the mounting bracket 8 are integrally formed.
Further, in order to improve the deicing effect, a compressor accommodating cavity 9 with two blocked sides is arranged in the mounting support 8, the compressor accommodating cavity 9 is matched with a shell of the dehumidifier body 14 to form a heat storage bin 10, the heat storage bin 10 is positioned below the water pan 7, and an outlet 11 communicated with the bottom of the water pan 7 is arranged above the compressor accommodating cavity 9.
Further, heat diffusion is avoided, the ice melting effect is influenced, heat shields 12 for preventing heat diffusion are arranged on two sides of the bottom of the water receiving tray 7 respectively, and the heat shields 12 are located on the outer side of the outlet 11.
Further, the deicing efficiency is improved, the energy-saving effect is further realized, and the caliber of an outlet 11 of the compressor accommodating cavity 9 is equal to one half of the caliber of the bottom of the water pan 7.
The invention is through putting the compressor 3 under the water pan 7, then carry on the deicing treatment to the ice produced on the water pan 7 through the heat that the compressor 3 produces while working, in order to realize and does not need to add the heater later on to realize the energy-conserving effect of deicing better, the invention does not need to use heating device such as the heater, etc., utilize the waste heat of the compressor to melt and relieve the ice on the water pan, realize and can carry on the operation of dehumidification continuously under the environment, because the compressor as heat source is set up in carrying on the dehydrating unit (produce the condensed water device) and water pan and lower part of the drain outlet, so can utilize the heat that the compressor produces to melt ice, realize on the basis of keeping the compressor reliability finally and heat and make the control of the deicing in the water pan of the compressor.
In operation, when the deicing requirement is met, after the dehumidification operation for a certain time, the fan is closed to only operate the compressor, then the compressor is stopped according to the temperature of the first heat exchanger, and then the ON/OFF state switching is repeatedly performed, the compressor driving in the intermittent operation needs to be more than 3 minutes to prevent the abrasion of the sliding part and the winding temperature is less than 120 ℃, therefore, the ON time and the OFF time of the compressor need to be adjusted according to different environmental temperatures and different types of compressors in actual conditions, and the start-stop time of the compressor in the ice melting process in the embodiment sequentially comprises the following steps: when the ice melting requirement is met, the compressor is in an on state at the moment, the fan can be stopped at the moment, the compressor is only guaranteed to work, then the temperature of the first heat exchanger 1 is obtained, when the preset requirement is met, the compressor is controlled to stop for 15 minutes, then the compressor performs circulating work in the sequence of working for 3 minutes and stopping for 15 minutes until the ice melting is finished, and the process is shown in fig. 6.

Claims (7)

1. A method for deicing a water pan of a dehumidifier is characterized by comprising the following steps:
s1, providing a dehumidifier, wherein the dehumidifier comprises a first heat exchanger, a second heat exchanger, a compressor, a pressure reducer, a fan, a four-way reversing valve and a temperature detector arranged on the first heat exchanger;
s2, starting the dehumidifying operation, and when the dehumidifier is in a defrosting mode;
s3, accumulating the dehumidification times through a formula of Cd = Cd + 1, and obtaining the defrosting operation time Cd of the defrosting operation of the first heat exchanger;
s4, acquiring preset defrosting times Cs of the heat exchanger, and judging whether Cd ≧ Cs is established or not; if yes, go to step S5; if not, returning to the step S2;
s5, considering that the defrosting control of the water pan is started, and starting to calculate the running time Td of the defrosting control at the moment;
s6, enabling the compressor to be in an open state and enabling the blower to enter a closed state;
s7, acquiring preset ice melting control time Ts1, and judging whether Td ≧ Ts1 is established or not; if yes, go to step S8; if not, returning to the step S6;
s8, measuring and calculating the temperature Tn of the first heat exchanger, comparing the temperature Tn with the acquired set temperature Ts of the first heat exchanger, and judging whether the temperature Tn is equal to or larger than the set temperature Ts; if yes, go to step S9; if not, returning to the step S6;
s9, enabling the compressor to be in a stop state;
s10, starting to calculate the stop time St of the compressor;
s11, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S12;
s12, judging whether St ≧ Sx is established or not, wherein Sx is preset compressor stop time Sx, and if yes, entering step S13; if not, go to step S9;
s13, changing the compressor from the stop state to the start state;
s14, starting to calculate the compressor driving time Dt;
s15, judging whether Td ≧ Tx is established or not, wherein Tx is preset deicing control time Tx, and if yes, entering step S17; if not, go to step S16;
s16, judging whether Dt ≧ Dx is established or not, wherein Dx is preset compressor driving time Dx, and if yes, entering step S10; if not, go to step S13;
and S17, ending the deicing control.
2. The utility model provides an ice melting device of dehumidifier water collector, includes dehumidifier body (14), characterized by: a first heat exchanger (1), a second heat exchanger (2), a compressor (3), a decompressor (4), a fan (5), a four-way reversing valve (6) and a temperature detector (13) arranged on the first heat exchanger (1) are arranged in a dehumidifier body (14), the fan (5) is positioned at the rear end of the second heat exchanger (2), the first heat exchanger (1) is positioned at the front end of the second heat exchanger (2), two ends of the first heat exchanger (1) are respectively connected with the decompressor (4) and one end of the four-way reversing valve (6), two ends of the second heat exchanger (2) are respectively connected with the decompressor (4) and the other end of the four-way reversing valve (6), the other two ends of the four-way reversing valve (6) are connected with two ends of the compressor (3), a water receiving disc (7) is arranged below the first heat exchanger (1) and the second heat exchanger (2), the compressor (3) is positioned below the water pan (7).
3. The deicing device of the water pan of the dehumidifier as set forth in claim 2, wherein: the four-way reversing valve (6) is positioned below the water pan (7).
4. An ice melting device for a water pan of a dehumidifier as claimed in claim 2 or 3, wherein: the first heat exchanger (1) and the second heat exchanger (2) are mounted on a mounting bracket (8), and the water pan (7) and the mounting bracket (8) are integrally formed.
5. The deicing device of the water pan of the dehumidifier as set forth in claim 4, wherein: the dehumidifier is characterized in that a compressor containing cavity (9) with two blocked sides is arranged in the mounting support (8), the compressor containing cavity (9) is matched with a shell of the dehumidifier body (14) to form a heat storage bin (10), the heat storage bin (10) is positioned below the water receiving tray (7), and an outlet (11) communicated with the bottom of the water receiving tray (7) is arranged above the compressor containing cavity (9).
6. The deicing device of the water pan of the dehumidifier as set forth in claim 5, wherein: two sides of the bottom of the water receiving tray (7) are respectively provided with a heat shield (12) for preventing heat from diffusing, and the heat shields (12) are positioned on the outer side of the outlet (11).
7. The deicing device of the water pan of the dehumidifier as set forth in claim 5, wherein: the caliber of an outlet (11) of the compressor accommodating cavity (9) is equal to one half of the caliber of the bottom of the water receiving disc (7).
CN202010149935.1A 2020-03-06 2020-03-06 Deicing method and deicing device for water pan of dehumidifier Pending CN111237981A (en)

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CN202010149935.1A CN111237981A (en) 2020-03-06 2020-03-06 Deicing method and deicing device for water pan of dehumidifier

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Application Number Priority Date Filing Date Title
CN202010149935.1A CN111237981A (en) 2020-03-06 2020-03-06 Deicing method and deicing device for water pan of dehumidifier

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864570A (en) * 2021-09-14 2021-12-31 刘志武 Reciprocating type anti-freezing connector suitable for natural gas supply pipeline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864570A (en) * 2021-09-14 2021-12-31 刘志武 Reciprocating type anti-freezing connector suitable for natural gas supply pipeline

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