CN111397141A - Dehumidifier control method - Google Patents

Dehumidifier control method Download PDF

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Publication number
CN111397141A
CN111397141A CN202010294511.4A CN202010294511A CN111397141A CN 111397141 A CN111397141 A CN 111397141A CN 202010294511 A CN202010294511 A CN 202010294511A CN 111397141 A CN111397141 A CN 111397141A
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CN
China
Prior art keywords
control
temperature
powered
electromagnetic valve
cooled condenser
Prior art date
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
CN202010294511.4A
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Chinese (zh)
Inventor
姚永明
赵鹏程
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Jiangsu Gaoke Applied Science Research Institute Co ltd
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Jiangsu Gaoke Applied Science Research Institute Co ltd
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Priority to CN202010294511.4A priority Critical patent/CN111397141A/en
Publication of CN111397141A publication Critical patent/CN111397141A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps

Abstract

The invention discloses a dehumidifier control method, wherein the dehumidifier comprises a compressor, an evaporator, an air-cooled condenser, an expansion valve, a water-cooled condenser, a straight-through electromagnetic valve, a bypass electromagnetic valve, a liquid supply electromagnetic valve and a water valve, wherein the water-cooled condenser is communicated with an external cooling water pump, and each piece of charged equipment of the dehumidifier is electrically connected with an external control device, and the dehumidifier control method comprises the following steps: s1: inputting upper and lower limit values of temperature and humidity and an operation mode instruction of the dehumidifier to the control device; s2: the temperature and humidity sensor sends collected temperature and humidity information of an air inlet of the air-cooled condenser to the control device in real time; s3: and the control device generates a power supply start-stop instruction according to the temperature and humidity information in the step S2 and by combining the temperature and humidity upper and lower limit values set in the step S1 and the dehumidification operation mode, and controls the on-off of a corresponding device of the dehumidifier according to the power supply start-stop instruction. The invention can make the control logic of the dehumidifier simple and clear and improve the stability of the device.

Description

Dehumidifier control method
Technical Field
The invention relates to the technical field of dehumidification control, in particular to a dehumidifier control method.
Background
Along with the progress and development of society, people begin to improve the quality of life continuously, and the dehumidifier receives more and more attention from everyone, and various dehumidifiers are increasing, and under general condition, the dehumidifier has the working condition of heating and dehumidifying, the working condition of temperature-adjusting and dehumidifying, the working condition of cooling and dehumidifying, and some dehumidifiers also include various auxiliary working conditions.
However, the prior art has at least the following problems that have not been solved: the dehumidification system has more working conditions, easily causes the control logic to be complicated and various, and has low stability.
Therefore, a dehumidifier control method is provided.
Disclosure of Invention
The invention aims to provide a dehumidifier control method, which can make the control logic of a dehumidifier simple and clear and improve the stability of equipment so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a dehumidifier control method comprises the following steps:
s1: inputting upper and lower limit values of temperature and humidity and dehumidifier operation mode instructions to a control device, wherein the dehumidifier operation mode instructions comprise one of a heating dehumidification control mode, a temperature adjustment dehumidification control mode, a cooling dehumidification control mode, a ventilation control mode, a water supply control mode and a shutdown mode;
s2: the temperature and humidity sensor sends collected temperature and humidity information of an air inlet of the air-cooled condenser to the control device in real time;
s3: and the control device generates a power supply start-stop instruction according to the temperature and humidity information in the step S2 and by combining the temperature and humidity upper and lower limit values set in the step S1 and the dehumidification operation mode, and controls the on-off of a corresponding device of the dehumidifier according to the power supply start-stop instruction.
Preferably, the step S3 specifically includes:
when the temperature rise dehumidification control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the direct electromagnetic valve and the compressor to be powered off; if the humidity of the inlet air is larger than or equal to the upper humidity limit, the liquid supply electromagnetic valve is controlled to be powered on after the time delay setting time, the straight-through electromagnetic valve and the compressor are controlled to be powered on after the time delay setting time, when the humidity of the inlet air is smaller than or equal to the lower humidity limit, the liquid supply electromagnetic valve is controlled to be powered off, and the straight-through electromagnetic valve and the compressor are controlled to be powered off after the time delay setting.
Preferably, the step S3 specifically includes:
when the temperature adjusting and dehumidifying control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the direct electromagnetic valve and the compressor to be powered off; if the humidity of the inlet air is larger than or equal to the upper limit of the humidity, controlling the power on of the liquid supply electromagnetic valve after delaying for a set time, controlling the power on of the direct connection electromagnetic valve and the compressor after delaying for a set time again, controlling the power off of the liquid supply electromagnetic valve when the humidity of the inlet air is smaller than or equal to the lower limit of the humidity, and controlling the power off of the direct connection electromagnetic valve and the compressor after delaying for a set time again; and if the temperature of the inlet air is not less than the upper temperature limit, controlling the compressor to be powered on, controlling the water valve, the cooling water pump and the water-cooled condenser to be powered on after delaying for a set time, controlling the compressor to be powered off when the temperature of the inlet air is not more than the lower temperature limit, and controlling the water valve, the cooling water pump and the water-cooled condenser to be powered off after delaying for a set time.
Preferably, the step S3 specifically includes:
when the cooling and dehumidifying control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the bypass electromagnetic valve and the compressor to be powered off; if the temperature of the inlet air is larger than or equal to the upper temperature limit, the liquid supply electromagnetic valve is controlled to be powered on after the set time is delayed, the bypass electromagnetic valve and the compressor are controlled to be powered on after the set time is delayed again, the liquid supply electromagnetic valve is controlled to be powered off when the temperature of the inlet air is smaller than or equal to the lower temperature limit, and the bypass electromagnetic valve and the compressor are controlled to be powered off after the set time is delayed again; if the temperature of the inlet air is larger than or equal to the upper temperature limit, the water valve, the cooling water pump and the water-cooled condenser are controlled to be powered on after the time delay setting time, and when the temperature of the inlet air is smaller than or equal to the lower temperature limit, the water valve, the cooling water pump and the water-cooled condenser are controlled to be powered off after the time delay setting time.
Preferably, the step S3 specifically includes:
when in the ventilation control mode, the control device controls the air-cooled condenser to be electrified;
when the water is in the water-through control mode, the control device controls the water valve, the cooling water pump and the water-cooled condenser to be powered on;
when the operation mode is stopped, the control device controls all the dehumidification operation modes to be stopped.
Preferably, the compressor, the evaporator, the air-cooled condenser and the water-cooled condenser are communicated through a plurality of pipelines, and the expansion valve, the straight-through electromagnetic valve, the bypass electromagnetic valve, the liquid supply electromagnetic valve and the water valve are arranged on the corresponding pipelines.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional method, the control method is simpler, the control logic of the dehumidifier is simple and clear, and the stability of the device is improved.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a block diagram of the dehumidifier of the present invention.
In the figure: 1. a compressor; 2. an evaporator; 3. an air-cooled condenser; 4. an expansion valve; 5. a water-cooled condenser; 6. a straight-through electromagnetic valve; 7. a bypass solenoid valve; 8. a liquid supply solenoid valve; 9. a water valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1 to 2, the present invention provides a technical solution:
as shown in fig. 2, a dehumidifier control method includes a compressor 1, an evaporator 2, an air-cooled condenser 3, an expansion valve 4, a water-cooled condenser 5, a direct solenoid valve 6, a bypass solenoid valve 7, a liquid supply solenoid valve 8, and a water valve 9, wherein the compressor 1, the evaporator 2, the air-cooled condenser 3, and the water-cooled condenser 5 are communicated with each other through a plurality of pipes, the expansion valve 4, the direct solenoid valve 6, the bypass solenoid valve 7, the liquid supply solenoid valve 8, and the water valve 9 are installed on corresponding pipes, the water-cooled condenser 5 is communicated with an external cooling water pump, the above components are electrically connected with an external control device, and the control device is electrically connected with a temperature and humidity sensor arranged at an air inlet of the air-cooled condenser 3, as shown in fig. 1, the:
s1: inputting upper and lower limit values of temperature and humidity and dehumidifier operation mode instructions to a control device, wherein the dehumidifier operation mode instructions comprise one of a heating dehumidification control mode, a temperature adjustment dehumidification control mode, a cooling dehumidification control mode, a ventilation control mode, a water supply control mode and a shutdown mode;
s2: the temperature and humidity sensor sends collected temperature and humidity information of an air inlet of the air-cooled condenser 3 to the control device in real time;
s3: the control device generates a power supply start-stop instruction according to the temperature and humidity information in the step S2 and by combining the temperature and humidity upper and lower limit values set in the step S1 with the dehumidification operation mode, and controls the on-off of a corresponding device of the dehumidifier according to the power supply start-stop instruction, which is as follows:
when in the heating and dehumidifying control mode, the control device controls the air-cooled condenser 3 to be electrified and controls the direct electromagnetic valve 6 and the compressor 1 to be powered off; if the humidity of the inlet air is larger than or equal to the upper humidity limit, delaying for 3 minutes, controlling the liquid supply electromagnetic valve 8 to be powered on, delaying for 5 seconds again, controlling the through electromagnetic valve 6 and the compressor 1 to be powered on, when the humidity of the inlet air is smaller than or equal to the lower humidity limit, controlling the liquid supply electromagnetic valve 8 to be powered off, and delaying for 3 seconds again, controlling the through electromagnetic valve 6 and the compressor 1 to be powered off; in the process of temperature rise and dehumidification, the cooling water pump does not operate, no cooling water flows through the water-cooled condenser 5, and all condensation heat is transferred to the air subjected to dehumidification and temperature reduction by the evaporator 2 through the air-cooled condenser 3; high-temperature and high-pressure refrigerant gas discharged by the compressor 1 sequentially passes through the water-cooled condenser 5, the straight-through electromagnetic valve 6 and the air-cooled condenser 3, releases heat to the processing air, becomes high-pressure and low-temperature liquid, is throttled and reduced in pressure by the liquid supply electromagnetic valve 8 and the expansion valve 4, becomes low-temperature and low-pressure liquid, enters the evaporator 2 to absorb the heat of the air, becomes low-temperature and low-pressure gas, and is sucked by the compressor 1 to complete the refrigeration cycle; the air is cooled and dehumidified by the evaporator 2 to become air with low temperature, low absolute humidity and high relative humidity, and then is reheated and heated by the air-cooled condenser 3 to become air with higher temperature and low relative humidity; because the refrigeration system discharges all condensation heat to the treated air, the air supply temperature of the dehumidifier is higher than the air inlet temperature;
when the temperature-adjusting dehumidification control mode is adopted, the control device controls the air-cooled condenser 3 to be electrified and controls the direct electromagnetic valve 6 and the compressor 1 to be powered off; if the humidity of the inlet air is larger than or equal to the upper limit of the humidity, delaying for 3 minutes, controlling the liquid supply electromagnetic valve 8 to be powered on, delaying for 5 seconds again, controlling the through electromagnetic valve 6 and the compressor 1 to be powered on, when the humidity of the inlet air is smaller than or equal to the lower limit of the humidity, controlling the liquid supply electromagnetic valve 8 to be powered off, and delaying for 3 seconds again, controlling the through electromagnetic valve 6 and the compressor 1 to be powered off; if the temperature of the inlet air is more than or equal to the upper temperature limit, controlling the compressor 1 to be powered on, delaying for 3 minutes, controlling the water valve 9, the cooling water pump and the water-cooled condenser 5 to be powered on, and when the temperature of the inlet air is less than or equal to the lower temperature limit, controlling the compressor 1 to be powered off, delaying for 3 seconds, and controlling the water valve 9, the cooling water pump and the water-cooled condenser 5 to be powered off; in the process of temperature adjustment and dehumidification, a cooling water pump runs, cooling water flows through a water-cooled condenser 5, and part or all of condensation heat is transferred to the air subjected to dehumidification and temperature reduction by an evaporator 2 through an air-cooled condenser 3; high-temperature and high-pressure refrigerant gas discharged by the compressor 1 sequentially passes through the water-cooled condenser 5, the straight-through electromagnetic valve 6 and the air-cooled condenser 3, releases heat to the processing air, becomes high-pressure and low-temperature liquid, is throttled and reduced in pressure by the liquid supply valve and the expansion valve 4, becomes low-temperature and low-pressure liquid, enters the evaporator 2 to absorb the heat of the air, becomes low-temperature and low-pressure gas, and is sucked by the compressor 1 to complete the refrigeration cycle; the air is cooled and dehumidified by the evaporator 2 to become air with low temperature, low absolute humidity and high relative humidity, and then is reheated and heated by the air-cooled condenser 3 to become air with higher temperature and low relative humidity; the refrigeration system bears the condensation heat by the air-cooled condenser 3 and the water-cooled condenser 5 together, the refrigerant is partially condensed by the water-cooled condenser 5 and then condensed by the air-cooled condenser 3, and the cooling water quantity is adjusted through the opening degree of the water valve 9, so that the distribution ratio of the condensation heat between the water-cooled condenser 5 and the air-cooled condenser 3 is adjusted, and the purpose of adjusting the air outlet temperature is further achieved;
when in the cooling and dehumidifying control mode, the control device controls the air-cooled condenser 3 to be powered on and controls the bypass electromagnetic valve 7 and the compressor 1 to be powered off; if the temperature of the inlet air is larger than or equal to the upper temperature limit, delaying for 3 minutes, controlling the liquid supply electromagnetic valve 8 to be powered on, delaying for 5 seconds again, controlling the bypass electromagnetic valve 7 and the compressor 1 to be powered on, and when the temperature of the inlet air is smaller than or equal to the lower temperature limit, controlling the liquid supply electromagnetic valve 8 to be powered off, delaying for 3 seconds again, controlling the bypass electromagnetic valve 7 and the compressor 1 to be powered off; if the temperature of the inlet air is more than or equal to the upper temperature limit, delaying for 3 minutes, controlling the water valve 9, the cooling water pump and the water-cooled condenser 5 to be powered on, and when the temperature of the inlet air is less than or equal to the lower temperature limit, delaying for 3 seconds, controlling the water valve 9, the cooling water pump and the water-cooled condenser 5 to be powered off; in the process of cooling and dehumidifying, a cooling water pump runs, cooling water flows through the water-cooled condenser 5, and condensation heat is completely borne by the water-cooled condenser 5; high-temperature and high-pressure refrigerant gas discharged by the compressor 1 sequentially passes through the water-cooled condenser 5 to emit heat to the outside to become high-pressure and low-temperature liquid, passes through the bypass electromagnetic valve 7, is throttled and depressurized by the liquid supply valve to the expansion valve 4 to become low-temperature and low-pressure liquid, enters the evaporator 2 to absorb the heat of air, becomes low-temperature and low-pressure gas, and is sucked by the compressor 1 to finish the refrigeration cycle; the air is cooled and dehumidified by the evaporator 2 to become air with low temperature, low absolute humidity and high relative humidity, and is not reheated by the air-cooled condenser 3, because the refrigeration system bears all the condensation heat by the water-cooled condenser 5, and the cooling water flow is maximum at the moment;
the time delay in the three dehumidification control modes can avoid overlarge current caused by the simultaneous starting of the charged equipment, reduce the load of a power grid and protect a dehumidification unit;
when in the ventilation control mode, the control device controls the air-cooled condenser 3 to be electrified;
when the water is in the water passing control mode, the control device controls the water valve 9, the cooling water pump and the water-cooled condenser 5 to be electrified;
when the machine is in a shutdown mode, the control device controls all the dehumidification operation modes to stop;
if the control device receives a fire signal transmitted by the dehumidifier in the running process of the dehumidifier, the control device controls the machine to stop completely and gives an alarm;
if the control device receives a fault signal transmitted by the dehumidifier in the running process of the dehumidifier, the control device controls the corresponding device of the dehumidifier to carry out on-off electricity running inspection, and the specific steps are as follows:
a: the control device controls the dehumidifier to stop to carry out troubleshooting;
b: if the dehumidifier still has faults after being stopped, the control device starts a ventilation control mode and a water supply control mode, and if the ventilation control mode and the water supply control mode can run, the compressor 1 has faults; if the ventilation control mode cannot operate, and the water-passing control mode can operate, the air-cooled condenser 3 is in failure; if the ventilation control mode can be operated and the water-passing control mode cannot be operated, the cooling water pump or the water-cooled condenser 5 is in failure;
c: the staff maintains the fault device detected by the control device;
d: the fault is resolved and the process returns to S1.
According to the control method provided by the invention, the power-on and power-off time and the power-on and power-off sequence of each device of the dehumidifier are controlled through the preset control logic of the control device, so that the control method is simpler than the traditional method, the control logic of the dehumidifier is simple and clear, and the equipment stability is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A dehumidifier control method is disclosed, the dehumidifier comprises a compressor, an evaporator, an air-cooled condenser, an expansion valve, a water-cooled condenser, a straight-through electromagnetic valve, a bypass electromagnetic valve, a liquid supply electromagnetic valve and a water valve, wherein the water-cooled condenser is communicated with an external cooling water pump, the devices are electrically connected with an external control device, and the control device is electrically connected with a temperature and humidity sensor arranged at an air inlet of the air-cooled condenser, the dehumidifier control method is characterized by comprising the following steps:
s1: inputting upper and lower limit values of temperature and humidity and dehumidifier operation mode instructions to a control device, wherein the dehumidifier operation mode instructions comprise one of a heating dehumidification control mode, a temperature adjustment dehumidification control mode, a cooling dehumidification control mode, a ventilation control mode, a water supply control mode and a shutdown mode;
s2: the temperature and humidity sensor sends collected temperature and humidity information of an air inlet of the air-cooled condenser to the control device in real time;
s3: and the control device generates a power supply start-stop instruction according to the temperature and humidity information in the step S2 and by combining the temperature and humidity upper and lower limit values set in the step S1 and the dehumidification operation mode, and controls the on-off of a corresponding device of the dehumidifier according to the power supply start-stop instruction.
2. The dehumidifier control method according to claim 1, wherein: the step S3 specifically includes:
when the temperature rise dehumidification control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the direct electromagnetic valve and the compressor to be powered off; if the humidity of the inlet air is larger than or equal to the upper humidity limit, the liquid supply electromagnetic valve is controlled to be powered on after the time delay setting time, the straight-through electromagnetic valve and the compressor are controlled to be powered on after the time delay setting time, when the humidity of the inlet air is smaller than or equal to the lower humidity limit, the liquid supply electromagnetic valve is controlled to be powered off, and the straight-through electromagnetic valve and the compressor are controlled to be powered off after the time delay setting.
3. The dehumidifier control method according to claim 1, wherein: the step S3 specifically includes:
when the temperature adjusting and dehumidifying control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the direct electromagnetic valve and the compressor to be powered off; if the humidity of the inlet air is larger than or equal to the upper limit of the humidity, controlling the power on of the liquid supply electromagnetic valve after delaying for a set time, controlling the power on of the direct connection electromagnetic valve and the compressor after delaying for a set time again, controlling the power off of the liquid supply electromagnetic valve when the humidity of the inlet air is smaller than or equal to the lower limit of the humidity, and controlling the power off of the direct connection electromagnetic valve and the compressor after delaying for a set time again; and if the temperature of the inlet air is not less than the upper temperature limit, controlling the compressor to be powered on, controlling the water valve, the cooling water pump and the water-cooled condenser to be powered on after delaying for a set time, controlling the compressor to be powered off when the temperature of the inlet air is not more than the lower temperature limit, and controlling the water valve, the cooling water pump and the water-cooled condenser to be powered off after delaying for a set time.
4. The dehumidifier control method according to claim 1, wherein: the step S3 specifically includes:
when the cooling and dehumidifying control mode is adopted, the control device controls the air-cooled condenser to be powered on and controls the bypass electromagnetic valve and the compressor to be powered off; if the temperature of the inlet air is larger than or equal to the upper temperature limit, the liquid supply electromagnetic valve is controlled to be powered on after the set time is delayed, the bypass electromagnetic valve and the compressor are controlled to be powered on after the set time is delayed again, the liquid supply electromagnetic valve is controlled to be powered off when the temperature of the inlet air is smaller than or equal to the lower temperature limit, and the bypass electromagnetic valve and the compressor are controlled to be powered off after the set time is delayed again; if the temperature of the inlet air is larger than or equal to the upper temperature limit, the water valve, the cooling water pump and the water-cooled condenser are controlled to be powered on after the time delay setting time, and when the temperature of the inlet air is smaller than or equal to the lower temperature limit, the water valve, the cooling water pump and the water-cooled condenser are controlled to be powered off after the time delay setting time.
5. The dehumidifier control method according to claim 1, wherein: the step S3 specifically includes:
when in the ventilation control mode, the control device controls the air-cooled condenser to be electrified;
when the water is in the water-through control mode, the control device controls the water valve, the cooling water pump and the water-cooled condenser to be powered on;
when the operation mode is stopped, the control device controls all the dehumidification operation modes to be stopped.
6. The dehumidifier control method according to claim 1, wherein: the compressor, the evaporator, the air-cooled condenser and the water-cooled condenser are communicated through a plurality of pipelines, and the expansion valve, the straight-through electromagnetic valve, the bypass electromagnetic valve, the liquid supply electromagnetic valve and the water valve are arranged on the corresponding pipelines.
CN202010294511.4A 2020-04-15 2020-04-15 Dehumidifier control method Pending CN111397141A (en)

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Application Number Priority Date Filing Date Title
CN202010294511.4A CN111397141A (en) 2020-04-15 2020-04-15 Dehumidifier control method

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060014704A (en) * 2004-08-11 2006-02-16 이현희 Dehumidifier
CN201611147U (en) * 2009-10-24 2010-10-20 江苏高科应用科学研究所有限公司 Double-system non-blind area thermoregulation dehumidifier
CN104296272A (en) * 2014-10-27 2015-01-21 广东申菱空调设备有限公司 High-temperature type dehumidifier and control method thereof
CN104344505A (en) * 2014-11-14 2015-02-11 赵强飞 Intelligent energy-saving dehumidification and thermoregulation system and control method thereof
CN107575960A (en) * 2017-10-11 2018-01-12 南京五洲制冷集团有限公司 A kind of wide operating mode frost-free type non-blind zone temperature regulating dehumidifying machine and its control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060014704A (en) * 2004-08-11 2006-02-16 이현희 Dehumidifier
CN201611147U (en) * 2009-10-24 2010-10-20 江苏高科应用科学研究所有限公司 Double-system non-blind area thermoregulation dehumidifier
CN104296272A (en) * 2014-10-27 2015-01-21 广东申菱空调设备有限公司 High-temperature type dehumidifier and control method thereof
CN104344505A (en) * 2014-11-14 2015-02-11 赵强飞 Intelligent energy-saving dehumidification and thermoregulation system and control method thereof
CN107575960A (en) * 2017-10-11 2018-01-12 南京五洲制冷集团有限公司 A kind of wide operating mode frost-free type non-blind zone temperature regulating dehumidifying machine and its control method

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