CN110617563A - Portable acoustic energy air conditioner defrosting method - Google Patents
Portable acoustic energy air conditioner defrosting method Download PDFInfo
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- CN110617563A CN110617563A CN201910865401.6A CN201910865401A CN110617563A CN 110617563 A CN110617563 A CN 110617563A CN 201910865401 A CN201910865401 A CN 201910865401A CN 110617563 A CN110617563 A CN 110617563A
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- control module
- defrosting
- switch control
- heat dissipation
- heat
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/04—Arrangements for portability
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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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
- 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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to the technical field of air conditioner defrosting, and discloses: a portable acoustic energy air conditioner defrosting method comprises the following steps: 1) detector cold end temperature and outdoor ambient temperature; 2) judging whether defrosting is carried out, if the defrosting operation is carried out, executing the step 3), and if not, continuing to execute the step 1); 3) the switch control module controls the reverse rotation of the heat dissipation fan, the reversing valve is in the reverse direction, and the heat of the radiating fins of the sound energy compressor is discharged to the cold-end frosting part in the reverse direction to defrost. According to the portable sound energy air conditioner defrosting method, when defrosting is not needed, the cooling fan rotates forwards to directly discharge waste heat, when defrosting is needed, the cooling fan rotates backwards to transmit the waste heat to the cold end to defrost, and finally the waste heat of the cooling fins of the compressor is utilized, so that the use of electric energy is reduced, the normal work of the sound energy compressor is not influenced, the waste energy is utilized in an environment-friendly manner, waste materials are changed into valuable materials, the cost is low, and the purposes of high efficiency and energy conservation are achieved.
Description
Technical Field
The invention relates to the technical field of air conditioner defrosting, in particular to a portable sound energy air conditioner defrosting method.
Background
An air conditioner, namely an air conditioner, is a device for adjusting and controlling parameters such as temperature, humidity, cleanliness and flow velocity of ambient air in a building by manual means, most of the ambient air is evaporated or condensed by a refrigerant under the action of a compressor, so that the ambient air is evaporated or condensed, and the purpose of changing temperature and humidity is achieved, when an air conditioning system heats, the system sends heat from the outside to the inside, an outdoor heat exchanger serves as an evaporator, when the ambient temperature of the outdoor unit is close to or lower than the freezing point, water vapor in the air is condensed and frosted on the surface of the evaporator, the frosting of the evaporator increases the heat transfer resistance between the surface of the evaporator and the air, increases the flow resistance when the air flow passes through the evaporator, so that the air flow passing through the evaporator is reduced, the heat exchange efficiency is obviously reduced, and the heat exchange quantity between the outdoor environment and the refrigerant is reduced, the system operation condition deteriorates and even the system cannot operate normally, and therefore, the air conditioning system should take defrosting measures during heating operation.
For example, chinese patent CN 105650821B discloses a defrosting method for an air conditioner, which comprises, when the air conditioner is running, acquiring real-time outdoor heat exchanger coil temperature, real-time outdoor environment temperature, real-time outdoor unit wind speed and real-time outdoor heat exchanger two-side wind pressure differential pressure, acquiring real-time reference differential pressure corresponding to real-time outdoor unit wind speed according to the corresponding relationship between the outdoor unit wind speed and the reference differential pressure, acquiring the difference between real-time outdoor heat exchanger two-side wind pressure differential pressure and real-time reference differential pressure, as a real-time differential pressure difference, acquiring real-time reference differential pressure difference corresponding to real-time outdoor unit wind speed according to the corresponding relationship between outdoor unit wind speed and reference differential pressure difference, when the real-time differential pressure difference is not less than the real-time reference differential pressure difference and the real-time outdoor, the method of the invention can solve the problems of inaccurate judgment of the frosting condition of the outdoor unit, energy waste or uncomfortable feeling of users in the prior art, but has the defect of overlarge energy consumed during defrosting, and the heat generated by the radiating fins of the sound energy compressor is not utilized, so that the resource waste is caused, and the method for defrosting the portable sound energy air conditioner is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a portable sound energy air conditioner defrosting method which has the advantages of high efficiency, energy conservation and the like, solves the defects of the prior sound energy air conditioner that the consumed energy is overlarge during defrosting, and solves the problem that the heat generated by the radiating fins of a sound energy compressor is not utilized, so that the resource is wasted.
(II) technical scheme
In order to achieve the purpose of high efficiency and energy saving, the invention provides the following technical scheme: a portable acoustic energy air conditioner defrosting method comprises the following steps:
1) detector cold end temperature and outdoor ambient temperature;
2) judging whether defrosting is carried out, if the defrosting operation is carried out, executing the step 3), and if not, continuing to execute the step 1);
3) the switch control module controls the reverse rotation of the cooling fan, the reversing valve is in the reverse direction, and the heat of the cooling fins of the sound energy compressor is discharged to the cold-end frosting part in the reverse direction to defrost;
4) the timer times the working time of the cooling fan in the step 3) and judges the working time;
5) after defrosting is finished, the switch control module in the step 3) controls the cooling fan to rotate forward, the reversing valve is in the forward direction, and heat of the cooling fins of the sound energy compressor is discharged in the forward direction.
Preferably, when the temperature of the cold end of the detector in the step 1) and the temperature of the outdoor environment are detected, the switch control module controls the cooling fan to rotate forward, the reversing valve is in the forward direction, and the heat of the cooling fins of the sound energy compressor is discharged in the forward direction.
Preferably, the heat dissipation fan is a reversible direct current fan, the working voltage of the direct current fan is 24V, and the switch control module is a PLC control module.
Preferably, the specific judgment of whether defrosting is performed in step 2) is that whether the temperature difference between the cold end temperature and the outdoor temperature is less than a predetermined value, if so, the step 1) is performed, and if not, the step 3) is performed.
Preferably, the specific judgment in the step 4) is that whether the working time of the reverse rotation of the cooling fan is more than three seconds or not, if so, the control module controls the cooling fan to rotate forward, the reversing valve is in the forward direction, and if not, the switch control module controls the cooling fan to rotate backward, and the reversing valve is in the reverse direction.
Preferably, the output end of the detector is in electric signal connection with the input end of the switch control module, the output end of the switch control module is in electric signal connection with the input end of the reversing valve, the output end of the switch control module is in electric signal connection with the input end of the cooling fan, and the switch control module is in bidirectional electric signal connection with the timer.
(III) advantageous effects
Compared with the prior art, the invention provides a portable acoustic energy air conditioner defrosting method which has the following beneficial effects:
the portable acoustic energy air conditioner defrosting method is characterized in that through the use of a switch control module, the switch control module is a PLC control module, the PLC control module is a programmable logic controller, an electronic system operated by digital operation is designed for industrial environment application, the digital logic controller used for automatic control can load control instructions into a memory at any time for storage and execution, the programmable controller is modularly combined by an internal CPU, an instruction and data memory, an input and output unit, a power supply module, a digital analog unit and the like, the work of a radiating fan, a reversing valve and a timer can be rapidly and intensively controlled and judged, the intelligent, efficient and accurate control is realized, manual operation is not needed, through the use of the reversing valve, the reversing valve is also called as a Cris valve, one valve is provided with a multi-direction adjustable channel, and the flow direction of fluid can be timely changed, when the heat dissipation fan works, the driving shaft is rotated by a driving transmission mechanism outside the valve to drive the rocker arm, the valve plate is started, so that working fluid is led to the lower outlet of the valve from the left inlet at any time, and is led to the lower outlet from the right inlet at any time, the purpose of periodically changing the flow direction is realized, through the use of the heat dissipation fan, the motor of the heat dissipation fan is a reversing motor, a lead and a battery or other power supplies form a loop, the power supply can directly supply current to the lead in the magnetic field, a rotor coil of the heat dissipation fan is directly powered by the power supply, the current is led into the rotating rotor coil by a carbon brush and a commutator, the heat dissipation fan can rotate positively and reversely without arranging redundant fans, the occupied space is avoided, the energy consumption is low, and by utilizing the positive and negative rotation of the heat dissipation fan, when defrosting is not needed, the positive rotation of the heat dissipation fan directly discharges waste heat, and when defrosting, the defrosting is carried out, finally, the waste heat of the radiating fins of the compressor is utilized, the use of electric energy is reduced, the normal work of the sound energy compressor is not influenced, the waste energy is utilized in an environment-friendly manner, waste materials are changed into valuable materials, the cost is low, and the purposes of high efficiency and energy conservation are achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A portable acoustic energy air conditioner defrosting method comprises the following steps:
1) detecting the cold end temperature and the outdoor environment temperature of the detector, wherein when the cold end temperature and the outdoor environment temperature of the detector are detected in the step 1), the switch control module controls the heat dissipation fan to rotate forward, the reversing valve is in the forward direction, and the heat of the heat dissipation fins of the sound energy compressor is discharged in the forward direction;
2) judging whether defrosting is carried out, if so, executing the step 3), otherwise, continuing to execute the step 1), and specifically judging whether defrosting is carried out in the step 2), wherein whether the temperature difference between the cold end temperature and the outdoor temperature is smaller than a preset value is judged, if so, the step 1) is carried out, and if not, the step 3) is carried out;
3) the switch control module controls the heat dissipation fan to rotate reversely, the reversing valve is reverse, the heat of the radiating fins of the sound energy compressor is discharged to a cold end frosting position in the reverse direction, defrosting is carried out, the heat dissipation fan is a reversible direct current fan, the working voltage of the direct current fan is 24V, and the switch control module is a PLC control module;
4) the timer times the working time of the cooling fan in the step 3) and judges, and the specific judgment in the step 4) is that whether the working time of the reverse rotation of the cooling fan is more than three seconds or not, if so, the control module controls the cooling fan to rotate forwards, the reversing valve is in the forward direction, and if not, the switch control module controls the cooling fan to rotate backwards, and the reversing valve is in the reverse direction;
5) after defrosting, the switch control module in step 3) controls the heat dissipation fan to rotate forward, the reversing valve is in forward direction, the heat of the heat dissipation fan of the sound energy compressor is discharged in forward direction, the output end of the detector is in electric signal connection with the input end of the switch control module, the detector is a thermocouple sensor which is the most commonly used temperature sensor in temperature measurement, the detector has the main advantages of wide temperature range and adaptability to various atmospheric environments, the thermocouple is composed of two different metal wires connected at one end, when one end of the thermocouple is heated, potential difference exists in a thermocouple circuit, the temperature can be calculated by using the measured potential difference, the output end of the switch control module is in electric signal connection with the input end of the reversing valve, the reversing valve is also called as a Cris valve, one valve is provided with a multi-direction adjustable channel, the flow direction of fluid can be changed timely, and a driving transmission mechanism outside the valve is, the output end of the switch control module is connected with the input end of the cooling fan by an electric signal, the motor of the cooling fan is a reversing motor, leads and a battery or other power supplies form a loop, the power supply can directly supply current to the leads in the magnetic field, a rotor coil of the motor is directly powered by the power supply, the current is led into the rotating rotor coil by a carbon brush and a commutator, the switch control module is in bidirectional electric signal connection with a timer, the electromagnetic striking timer is a timing instrument using an alternating current power supply, the working voltage is 4-6V, the frequency of the power supply is 50Hz, the electromagnetic striking timer strikes a point once every 0.02s, when the coil of the electromagnetic striking timer is powered on, the coil generates a magnetic field, the vibrating piece in the coil is magnetized, the vibrating piece moves upwards or downwards under the action of the magnetic field of the permanent magnet, the direction of the acting force of the permanent magnet on the vibrating piece changes twice in each cycle of the alternating current, so that the magnetized magnetic pole of the vibrating piece changes, the direction of the acting force of the permanent magnet on the vibrating piece also changes, the vibrating piece is dotted once when being applied with the downward force, and the vibrating piece is not dotted when being applied with the upward force, so that the vibrating piece is dotted once in one cycle of the alternating current, namely, the time interval between every two points is equal to the cycle of the alternating current, through the use of the switch control module, the switch control module is a PLC control module which is a programmable logic controller, an electronic system for digital operation and is specially designed for application in industrial environment, a digital logic controller for automatic control can load a control instruction to be stored and executed in a memory at any time, and the programmable controller is internally, the command and data memory, the input/output unit, the power supply module and the digital analog unit are modularly combined, the work of the heat radiation fan, the reversing valve and the timer can be rapidly and intensively controlled and judged, the intelligent, high-efficiency and accurate control is realized, the manual operation is not needed, the reversing valve is used, the reversing valve is also called as a Cris valve, one of the valves is provided with a multi-directional adjustable channel, the flow direction of fluid can be timely changed, the driving shaft is rotated by a driving transmission mechanism outside the valve during the work, the crank arm is driven to swing, the valve plate is started, the working fluid is led to the lower outlet of the valve from the left inlet at any time, the working fluid is led to the lower outlet from the right inlet at any time, the purpose of periodically changing the flow direction is realized, the motor of the heat radiation fan is a reversing motor, a lead and a battery or other power supply form a loop, and the power supply can directly supply current to the lead, the rotor coil is directly powered by a power supply, current is led into the rotating rotor coil by virtue of the carbon brush and the commutator, the cooling fan can rotate forwards and backwards without arranging redundant fans, the occupied space is avoided, the energy consumption is low, the forward rotation and the reverse rotation of the cooling fan are utilized, when defrosting is not needed, waste heat is directly discharged by the forward rotation of the cooling fan, when defrosting is needed, the cooling fan rotates backwards, the waste heat is transmitted to a cold end to defrost, finally, the waste heat of cooling fins of the compressor is utilized, the use of electric energy is reduced, the normal work of the sound energy compressor is not influenced, the waste energy is utilized in an environment-friendly manner, waste materials are changed into things of value, the cost is low, and the purposes of high efficiency and energy conservation.
When in use, the switch control module is a PLC control module which can rapidly and intensively control the work of the cooling fan, the reversing valve and the timer and judge, thereby realizing intelligent, efficient and accurate control without manual operation, through the use of the cooling fan, the motor of the cooling fan is a reversing motor, a lead and a battery or other power supplies form a loop, the power supply can directly supply current to the lead in the magnetic field, a rotor coil of the motor is directly powered by the power supply, the current is led into a rotating rotor coil by a carbon brush and a commutator, the cooling fan can rotate forwards and backwards without arranging redundant fans, the occupied space is avoided, the energy consumption is lower, and the forward and reverse rotation of the cooling fan is utilized, when defrosting is not needed, the waste heat is directly discharged by the forward rotation of the cooling fan, when defrosting is needed, the cooling fan reversely rotates to transmit waste heat to the cold end for defrosting, finally, the waste heat of the cooling fins of the compressor is utilized, the use of electric energy is reduced, the normal work of the sound energy compressor is not influenced, the waste energy is utilized in an environment-friendly manner, waste materials are changed into valuable materials, the cost is low, and the purposes of high efficiency and energy conservation are achieved.
To sum up, through the use of the switch control module, the switch control module is a PLC control module, is a programmable logic controller, is an electronic system of digital operation, is designed for application in industrial environment, is used for the digital logic controller of automation control, can load the control instruction into the memory at any time for storage and execution, the programmable controller is modularly combined by an internal CPU, an instruction and data memory, an input and output unit, a power supply module, a digital analog unit and the like, can rapidly and centrally control the work of a cooling fan, a reversing valve and a timer, and judges, realizes intelligent, efficient and accurate control, does not need manual operation, through the use of the reversing valve, the reversing valve is also called as a Criss valve, one type of the valve has a multi-directional adjustable channel, can change the flow direction of fluid at proper time, and rotates a driving shaft by means of a driving transmission mechanism outside the valve during work, the oscillating arm is driven to start the valve plate, so that the working fluid is led to the lower outlet of the valve from the left inlet and is led to the lower outlet from the right inlet, so that the purpose of periodically changing the flow direction is realized, the motor of the cooling fan is a reversing motor, a lead and a battery or other power supplies form a loop, the power supply can directly supply current to the lead in the magnetic field, a rotor coil of the cooling fan is directly powered by the power supply, the current is led into the rotating rotor coil by a carbon brush and a commutator, the cooling fan can rotate forwards and backwards without arranging redundant fans, the occupied space is avoided, the energy consumption is low, and by utilizing the forward and reverse rotation of the cooling fan, when defrosting is not needed, the cooling fan rotates forwards to directly discharge waste heat, when defrosting is needed, the cooling fan rotates backwards to transfer the waste heat to the cold end for defrosting, and finally the waste heat of the cooling fins of the compressor is utilized, the energy-saving air conditioner has the advantages that the use of electric energy is reduced, the normal work of the sound energy compressor is not influenced, waste energy is utilized in an environment-friendly mode, waste materials are changed into valuable materials, the purpose of high efficiency and energy saving is achieved, the defect that the energy consumed during defrosting of an existing sound energy air conditioner is overlarge is overcome, and the problem that resources are wasted due to the fact that heat generated by cooling fins of the sound energy compressor is not utilized is solved.
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 portable acoustic energy air conditioner defrosting method is characterized by comprising the following steps:
1) detector cold end temperature and outdoor ambient temperature;
2) judging whether defrosting is carried out, if the defrosting operation is carried out, executing the step 3), and if not, continuing to execute the step 1);
3) the switch control module controls the reverse rotation of the cooling fan, the reversing valve is in the reverse direction, and the heat of the cooling fins of the sound energy compressor is discharged to the cold-end frosting part in the reverse direction to defrost;
4) the timer times the working time of the cooling fan in the step 3) and judges the working time;
5) after defrosting is finished, the switch control module in the step 3) controls the cooling fan to rotate forward, the reversing valve is in the forward direction, and heat of the cooling fins of the sound energy compressor is discharged in the forward direction.
2. The defrosting method of a portable sound energy air conditioner according to claim 1, characterized in that, when the temperature of the cold end of the detector in step 1) and the temperature of the outdoor environment are detected, the switch control module controls the heat dissipation fan to rotate forward, the reversing valve is in a forward direction, and the heat of the heat dissipation fins of the sound energy compressor is discharged in the forward direction.
3. The method as claimed in claim 1, wherein the heat dissipation fan is a reversible dc fan, the operating voltage of the dc fan is 24V, and the switch control module is a PLC control module.
4. The method as claimed in claim 1, wherein the specific determination of defrosting in step 2) is that the temperature difference between the cold end temperature and the outdoor temperature is less than a predetermined value, if it is greater than step 1), if it is less than step 3).
5. The method as claimed in claim 1, wherein the specific determination in step 4) is whether the operation time of the reverse rotation of the heat dissipation fan is longer than three seconds, if so, the control module controls the heat dissipation fan to rotate forward, the direction change valve is in forward direction, and if not, the switch control module controls the heat dissipation fan to rotate in reverse, and the direction change valve is in reverse direction.
6. The method as claimed in claim 1, wherein the output terminal of the detector is electrically connected to the input terminal of the switch control module, the output terminal of the switch control module is electrically connected to the input terminal of the reversing valve, the output terminal of the switch control module is electrically connected to the input terminal of the heat dissipation fan, and the switch control module is electrically connected to the timer in a bidirectional manner.
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| CN201910865401.6A CN110617563A (en) | 2019-09-12 | 2019-09-12 | Portable acoustic energy air conditioner defrosting method |
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| CN201910865401.6A CN110617563A (en) | 2019-09-12 | 2019-09-12 | Portable acoustic energy air conditioner defrosting method |
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| JP2004053094A (en) * | 2002-07-18 | 2004-02-19 | Toshiba Kyaria Kk | Air conditioner |
| CN102901156A (en) * | 2012-11-16 | 2013-01-30 | 中国船舶重工集团公司第七0四研究所 | Frost preventing and removing system and frost preventing and removing method of heat pipe type air conditioner |
| CN103123194A (en) * | 2012-03-31 | 2013-05-29 | 宁波奥克斯电气有限公司 | Defrosting method of multi-combination type air conditioning unit |
| CN104132404A (en) * | 2014-07-31 | 2014-11-05 | 青岛海尔空调器有限总公司 | Air-conditioner defrosting method |
| CN107975887A (en) * | 2017-10-31 | 2018-05-01 | 青岛海尔空调器有限总公司 | A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting |
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2019
- 2019-09-12 CN CN201910865401.6A patent/CN110617563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004053094A (en) * | 2002-07-18 | 2004-02-19 | Toshiba Kyaria Kk | Air conditioner |
| CN103123194A (en) * | 2012-03-31 | 2013-05-29 | 宁波奥克斯电气有限公司 | Defrosting method of multi-combination type air conditioning unit |
| CN102901156A (en) * | 2012-11-16 | 2013-01-30 | 中国船舶重工集团公司第七0四研究所 | Frost preventing and removing system and frost preventing and removing method of heat pipe type air conditioner |
| CN104132404A (en) * | 2014-07-31 | 2014-11-05 | 青岛海尔空调器有限总公司 | Air-conditioner defrosting method |
| CN107975887A (en) * | 2017-10-31 | 2018-05-01 | 青岛海尔空调器有限总公司 | A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting |
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Application publication date: 20191227 |