CN105299949A - Method and device for regulating evaporating temperature of refrigerating system to clean heat exchanger through condensate water - Google Patents
Method and device for regulating evaporating temperature of refrigerating system to clean heat exchanger through condensate water Download PDFInfo
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Abstract
The invention relates to a method and device for regulating the evaporating temperature of a refrigerating system to collect condensate water for cleaning a heat exchanger. By regulating the temperature of the heat exchanger in an air conditioner, water vapor nearby the air conditioner is condensed into liquid water on the surface of the heat exchanger, and therefore dirt on the surface of the heat exchanger is removed. According to the method for condensing the water vapor into the liquid water, the evaporating temperature of the refrigerating system is regulated in a throttling mode, so that the enough condensate water is obtained by the outer surface of the heat exchanger, and the dirt on the surface of the heat exchanger is removed; automatic cleaning of the heat exchanger is achieved, and the heat exchange efficiency of the heat exchanger is improved.
Description
Technical field
The invention belongs to refrigeration system technical field, relate to a kind of method and the device that regulate refrigeration system evaporating temperature collection condensed water to clean heat exchanger.
Background technology
In the process of refrigerating operaton, the surface of heat exchanger can accumulate dust and dirt, and these dust and dirt can reduce the heat exchange property of heat exchanger on the one hand, on the other hand easy breed bacteria, and form spot mould, these bacteriums and the mould meeting of spot produce peculiar smell in device.
At present, process the problems referred to above to be solved by three kinds of modes:
First kind of way adds dust cleaner at heat exchanger, nozzle is utilized to be removed by dust and dirt to heat exchanger surface expulsion pressure gas, but this mode difficulty or ease are clean clean, moreover cost is high, the fan coil not more being suitable for domestic air conditioner and central air-conditioning terminal cleans.
The second way be utilize heat exchanger for evaporimeter use time, utilize the condensed water of evaporimeter to take away the dust and dirt of heat exchanger surface, because the water yield is little, do not wash clean clearly.The Chinese patent bulletin description CN104848481A frequency-changeable compressor proposed in a kind of air-conditioner improves rotational speed regulation and collects the method that condensed water cleans air-conditioner, but adds power consumption, increases air-conditioner use cost.
The third mode adopts the outer cleaning heat exchanger that supplies water, and Chinese patent bulletin description CN102564215A and CN104896995A adopts air-conditioning to shut down, outer supply-water pump cleaning, and cost is higher, and the Mini-type heat exchanger being also not suitable for conditioner terminal air cleans.
Summary of the invention
An object of the present invention is to solve the problem, propose a kind of method regulating refrigeration system evaporating temperature collection condensed water to clean heat exchanger.Comprise: when the heat exchanger in refrigeration system is evaporimeter, utilize and control refrigeration system cold-producing medium throttle-flow, reduce evaporator external temperature to above freezing, evaporator external is made to obtain enough condensed waters, vaporous water in air near evaporimeter is condensed into aqueous water, the Fouling Cleaning on the surface of described heat exchanger will be attached to, the step that described condensed water is formed comprises: the place outdoor environment temperature gathered according to described refrigeration system and humidity, the dew-point temperature set with master controller is close, point out heat exchanger capable of washing, regulate the flow of throttling arrangement, determine that the surface temperature of described evaporimeter is above freezing, by master controller determination scavenging period, for the refrigeration system and the central air conditioner system that have heat pump cycle, can latter 3 minutes of evaporimeter cleaning under refrigerating state, restart heat-production functions, by this heat exchanger be evaporimeter convert to heat exchanger be condenser use, remained on surface moisture when this heat exchanger of heating removing is condenser, when heating state, for refrigeration system, purge chamber's external heat exchanger is the dirt on evaporimeter, change refrigerating state again, complete the clean of heat pump cycle refrigeration system indoor and outdoor heat exchanger.For the refrigeration system only having refrigerating function, adopt natural air drying evaporator surface or by master controller foundation environment temperature, humidity, determine to start evaporation fan, the air-dry evaporator surface of condensation fan; The place environment temperature that described refrigeration system gathers and humidity, available alert indoor and flow of outside air circulation method, central air conditioner system can start and extend the inletting fresh air automatic humidification time, indoor humidity is provided, also at indoor increase humidifier, indoor humidity can be improved, more convenient, comfortable, reach the automated cleaning of heat exchanger, improve the heat exchange efficiency of heat exchanger.
Another object of the present invention is: propose a kind of device regulating refrigeration system evaporating temperature collection condensed water to clean heat exchanger, described refrigeration system comprises: compressor, muffler, cross valve, condenser, fluid reservoir, device for drying and filtering, capillary, check (non-return) valve, electromagnetism one-way valve, T-way change-over solenoid valve, heating power expansion valve, electric expansion valve, evaporimeter, shell and tube exchanger, gas-liquid separator; Auxiliary heat exchanges and is configured with condensation fan, evaporation fan, and central air conditioner system, except including above-mentioned refrigeration system, also has cooling system and coolant circulating system; Described cooling system comprises: condensation shell and tube exchanger, cooling tower, water pump; Described coolant circulating system comprises: evaporation shell and tube exchanger, coolant pump, evaporimeter; Condenser and evaporator temperature inductor, heat exchanger place ambient humidity inductor, master controller; According to the temperature, the humidity parameter that gather, master controller is utilized to open refrigeration system amount of restriction, reduce heat exchanger be evaporator external temperature above freezing, make heat exchanger outer surface obtain enough condensed waters, completed the dust and dirt overall process of automated cleaning heat exchanger surface by master controller.
The various solution of content of the present invention is as follows:
The solution of the present invention to the refrigeration system of applicable heat pump cycle is: described refrigeration system comprises: compressor, muffler, cross valve, condenser, device for drying and filtering, there are at least two sections of capillaries, check (non-return) valve, electromagnetism one-way valve or T-way change-over solenoid valve, evaporimeter, gas-liquid separator, wherein one section of capillary is in parallel with electromagnetism one-way valve or connect with T-way change-over solenoid valve one end, control electromagnetism one-way valve to open, regulate refrigeration system capillary section flow, reaching reduction heat exchanger is that evaporator external temperature is above freezing, heat exchanger outer surface is made to obtain enough condensed waters, the dust and dirt overall process of automated cleaning heat exchanger surface is completed by master controller.
The present invention to being applicable to only having the solution of the refrigeration system of refrigerating function is: described refrigeration system comprises: compressor, muffler, condenser, capillary, electromagnetism one-way valve or T-way change-over solenoid valve, evaporimeter, gas-liquid separator, wherein one section of capillary is in parallel with electromagnetism one-way valve or connect with T-way change-over solenoid valve one end, Controlling solenoid valve is opened, regulate refrigeration system capillary section flow, reaching reduction heat exchanger is that evaporator external temperature is above freezing, evaporator external is made to obtain enough condensed waters, the dust and dirt overall process of automated cleaning heat exchanger surface is completed by master controller.
The solution of the present invention to applicable employing heating power expansion valve refrigeration system is: described refrigeration system comprises: compressor, muffler, condenser, fluid reservoir, device for drying and filtering, capillary, electromagnetism one-way valve or T-way change-over solenoid valve, heating power expansion valve, evaporimeter, gas-liquid separator, wherein capillary and electromagnetism one-way valve are in parallel or connect with T-way change-over solenoid valve one end, Controlling solenoid valve is opened, regulate refrigeration system amount of restriction, reaching reduction heat exchanger is that evaporator external temperature is above freezing, heat exchanger outer surface is made to obtain enough condensed waters, the dust and dirt overall process of automated cleaning heat exchanger surface is completed by master controller.
The solution of the present invention to central air-conditioning system device refrigeration system is: described central air conditioner system comprises: refrigeration system (handpiece Water Chilling Units), cooling system, coolant circulating system; Described refrigeration system (handpiece Water Chilling Units) comprising: compressor, muffler, cross valve, shell and tube exchanger, device for drying and filtering, electric expansion valve, gas-liquid separator; Described cooling system comprises: condensation shell and tube exchanger, water pump, cooling tower, valve; Described coolant circulating system comprises: evaporation shell and tube exchanger, refrigerant pump, evaporimeter (coil pipe air-cooler); Regulate refrigeration system flow of electronic expansion valve, reducing shell and tube exchanger is evaporating temperature in evaporimeter, make the evaporator external temperature of coolant circulating system above freezing, obtain enough condensed waters, completed the dust and dirt of automated cleaning evaporator external by master controller.
The advantage that the present invention regulates refrigeration system evaporating temperature to collect the method and device that condensed water cleans heat exchanger is: because above-mentioned each solution utilizes the maximum moisture of outdoor environment humidity, regulate the flow of refrigeration system throttling arrangement, reduce the hull-skin temperature of evaporimeter above freezing, make evaporator external obtain enough condensed waters, reach thoroughly clean effect.
Below in conjunction with accompanying drawing and four embodiments, advantage of the present invention is described in detail.
Fig. 1 is a kind of small refrigeration systems and control system schematic diagram of heat pump cycle.
Fig. 2 is a kind of small refrigeration systems and control system schematic diagram of only having refrigerating function.
Fig. 3 is a kind of medium refrigeration systems and control system schematic diagram of only having refrigerating function.
Fig. 4 is a kind of central air-conditioning refrigeration system and control system schematic diagram of heat pump cycle.
Fig. 1 is a kind of to the small refrigeration systems device of applicable heat pump cycle and the solution of control system method:
Refrigeration system regulates evaporating temperature collection condensed water to clean the control system solution of heat exchanger.
The solution step of described refrigeration system is: master controller 17 is by gathering outdoor heat exchanger of air conditioner temperature inductor 22 and neighbouring ambient humidity inductor 21, the dew-point temperature set with master controller 17 is close, (master controller 17 is made up of various control module, according to the various temperature of setting, humidity parameter, the dew-point temperature determined, control automatically open or close refrigeration system valve, the each motor of heat exchange), start cleaning heat exchanger program, environment temperature is gathered again and neighbouring ambient humidity inductor 20 gathers ambient humidity by the surface temperature inductor 23 of indoor evaporator 15, outdoor air ventilates to indoor by prompting, improve indoor humidity, determine that starting clean heat exchanger is evaporimeter 15 surface smut, start compressor 1, close and often open electromagnetism one-way valve 11, evaporation fan 19 rotating speed in control room, ambient humidity moisture is provided, reduce heat exchanger be evaporimeter 15 surface temperature above freezing, make evaporimeter 15 outer surface obtain enough condensed waters, after evaporimeter 15 has cleaned, compressor 1 is out of service, after 3 minutes, master controller 17 starts heating mode, conversion cross valve 3, when being evaporimeter 4 by the heat exchanger of outdoor, controls outdoor fan 18 rotating speed, ambient humidity moisture is provided, reduce outdoor heat exchanger be evaporimeter 4 surface temperature above freezing, make outdoor heat exchanger outer surface obtain enough condensed waters, the indoor heat exchanger of the just cleaning of heating is simultaneously condenser 15, after heat exchanger 4 has cleaned, compressor 1 is out of service, after 3 minutes, same method, master controller 17 starts refrigeration mode, and the outdoor heat exchanger of heating just cleaning is condenser 4, namely completes above-mentioned two heat exchanger cleaning courses.
Refrigeration system regulates evaporating temperature collection condensed water to clean the solution of heat exchanger apparatus:
Described refrigeration system comprises: low pressure refrigerant gas is compressed to higher pressure refrigerant gas by compressor 1, muffler 2 reduces noise in compressor exhaust pipe, solenoid operated four-way valve 3 Transpression machine is arranged, air intake duct gas refrigerant flows to condenser, evaporimeter, the high-pressure gas refrigerant that condenser 4 condensation is discharged from compressor becomes high pressure liquid refrigerant, moisture in the dry high pressure liquid refrigerant of device for drying and filtering 6, filter the impurity in refrigeration system pipe, refrigeration, heat throttle capillary tube 8 and regulate and control the low-pressure state of high condenser pressure liquid refrigerant flow to evaporator inlet, check (non-return) valve 10 liquid refrigerant one way flow, heat throttle capillary tube 9, low temperature throttle capillary tube 7 and electromagnetism one-way valve 11 electromagnetism opening and closing single-pass valve in parallel, low pressure liquid refrigerant evaporation endothermic after the throttling of evaporimeter 15 capillary 8 is vaporized into low-pressure refrigerant gas, the low-pressure refrigerant gas of gas-liquid separator 16 carburation by evaporation contains the liquid of no vaporization, divided gas flow is to compressor air suction mouth, control often to open electromagnetism one-way valve 11 to close, regulate refrigeration system at least two sections of capillary section flows, reaching reduction heat exchanger is that evaporimeter 15 hull-skin temperature is above freezing, evaporimeter 15 outer surface is made to obtain enough condensed waters, the heat exchange that evaporation fan 19 accelerates low pressure liquid refrigerant evaporation endothermic and environment is started by master controller 17, condensation fan 18 accelerates the heat exchange that high-temperature gas condensation of refrigerant becomes liquid and environment, complete refrigeration, heating operations, during automated cleaning refrigeration, heat exchanger is evaporimeter 15, when heating, heat exchanger is the dust and dirt overall process on evaporimeter 4 surface.
Fig. 2 a kind ofly only has the small refrigeration systems device of refrigerating function and the solution of control system method:
Refrigeration system regulates evaporating temperature collection condensed water to clean the control system solution of heat exchanger.
The solution step of described refrigeration system is: master controller 17 is by gathering outdoor heat exchanger of air conditioner temperature inductor 22 and neighbouring ambient humidity inductor 21, the dew-point temperature set with master controller 17 is close, start cleaning heat exchanger program, again by surface temperature inductor 23 and the neighbouring ambient humidity inductor 20 of indoor evaporator 15, outdoor air ventilates to indoor by prompting, improve indoor humidity, determine that starting clean heat exchanger is evaporimeter 15 surface smut; Start compressor 1, conversion of electromagnetic three-way diverter valve 12 changes refrigerant flow direction and connects to capillary 7, evaporation fan 19 rotating speed in control room, ambient humidity moisture is provided, reduce heat exchanger be evaporimeter 15 surface temperature above freezing, make evaporimeter 15 outer surface obtain enough condensed waters, after evaporimeter 15 has cleaned, rerun evaporation fan 19, dries up the moisture that heat exchanger is evaporimeter 15 surface, complete the cleaning course of indoor heat exchanger.
Refrigeration system regulates evaporating temperature collection condensed water to clean the solution of heat exchanger apparatus:
Described refrigerating system device comprises: compressor 1, muffler 2, condenser 4, device for drying and filtering 6, refrigeration throttle capillary tube 8, low temperature throttle capillary tube 7 is connected with T-way change-over solenoid valve 12 one end, evaporimeter 15, gas-liquid separator 16, control conversion of electromagnetic three-way diverter valve 12 to connect to capillary 7, regulate refrigeration system at least two sections of capillary section flows, reaching reduction heat exchanger is that evaporimeter 15 hull-skin temperature is above freezing, make evaporimeter 15 outer surface obtain enough condensed waters, completed the dust and dirt overall process on automated cleaning evaporimeter 15 surface by master controller 17.
Fig. 3 a kind ofly only has the medium refrigeration systems device of refrigerating function and the solution of control system method:
Refrigeration system regulates evaporating temperature collection condensed water to clean the control system solution of heat exchanger.
The solution step of described refrigeration system is: master controller 17 is by gathering cool room external heat exchanger temperature inductor 22 and neighbouring ambient humidity inductor 21, the dew-point temperature set with master controller 17 is close, start cleaning heat exchanger program, again by surface temperature inductor 23 and the neighbouring ambient humidity inductor 20 of evaporimeter 15, outdoor air ventilates to indoor by prompting, improve indoor humidity, determine that starting clean heat exchanger is evaporimeter 15 surface smut; Start compressor 1, control often to open electromagnetism one-way valve 11 to close, evaporation fan 19 rotating speed in control room, ambient humidity moisture is provided, reduce heat exchanger be evaporimeter 15 surface temperature above freezing, make evaporimeter 15 outer surface obtain enough condensed waters, after evaporimeter 15 has cleaned, rerun evaporation fan 19, dries up the moisture that heat exchanger is evaporimeter 15 surface, complete the cleaning course of indoor heat exchanger.
Refrigeration system regulates evaporating temperature collection condensed water to clean the solution of heat exchanger apparatus:
Described refrigerating system device comprises: compressor 1, muffler 2, condenser 4, fluid reservoir 5 condensing high pressure liquid refrigerant storage tank, device for drying and filtering 6, throttle capillary tube 7, electromagnetism one-way valve 11, heating power expansion valve 13 utilizes evaporating pressure to open Valve controlling flow, evaporimeter 15, gas-liquid separator 16, low temperature is in parallel with electromagnetism one-way valve 11 with throttle capillary tube 7, control often to open electromagnetism one-way valve 11 to close, reaching reduction heat exchanger is that evaporimeter 15 hull-skin temperature is above freezing, evaporimeter 15 outer surface is made to obtain enough condensed waters, the dust and dirt overall process on automated cleaning evaporimeter 15 surface is completed by master controller 17.
Fig. 4 is a kind of central air-conditioning refrigeration system device of heat pump cycle and the solution of control system method:
Central air-conditioning regulates coolant circulating system evaporating temperature collection condensed water to clean the control system solution of heat exchanger.
The solution step of described refrigeration system is: master controller 17 is by gathering outdoor heat exchanger of air conditioner temperature inductor 22 and neighbouring ambient humidity inductor 21, the dew-point temperature set with master controller 17 is close, start cleaning heat exchanger program, again by ambient humidity inductor 20 near the surface temperature inductor 23 of indoor handpiece Water Chilling Units shell and tube exchanger 25 and indoor, outdoor air ventilates to indoor by prompting, improve indoor humidity, also can start and extend to indoor for resh air requirement, automatic increase indoor humidity, then compressor 1 is started, automatic adjustment electric expansion valve 14 flow, reduce temperature in shell and tube exchanger 25, in shell and tube exchanger 25, the refrigerant of cooling is delivered to indoor each room by refrigerant pump 27, master controller 17 controls indoor evaporation fan 19 rotating speed in each room, ambient humidity moisture is provided, reduce indoor evaporator (coil pipe air-cooler) 15 surface temperatures above freezing, evaporimeter (coil pipe air-cooler) 15 outer surfaces are made to obtain enough condensed waters, after evaporimeter (coil pipe air-cooler) 15 has cleaned, compressor 1 is out of service, after 3 minutes, master controller 17 starts heating mode, conversion cross valve 3, the shell and tube exchanger 25 of air conditioner cold water unit is heated, in shell and tube exchanger 25, the refrigerant of heating is delivered to each room by refrigerant pump 27 again, master controller 17 controls indoor evaporation fan 19 rotating speed in each room, and each room indoor evaporator (coil pipe air-cooler) 15 of heating just cleaning, namely completes whole cleaning courses of each room indoor evaporator (coil pipe air-cooler) 15.
Central air-conditioning regulates coolant circulating system evaporating temperature collection condensed water to clean the solution of heat exchanger apparatus:
Described central air conditioner system device comprises: air conditioner cold water unit, auxiliary heat switch outside air conditioning chamber, the heat exchanger apparatus of room conditioning terminal.Described refrigeration system (handpiece Water Chilling Units) comprising: compressor 1, muffler 2, cross valve 3, the high-pressure gas refrigerant that condensation shell and tube exchanger 24 compressor is discharged and coil pipe inner cooling water convective heat exchange, take away heat, liquefied pressurized gas, device for drying and filtering 6, electric expansion valve 14 automatic digital regulation and control high condenser pressure liquid refrigerant flow, guarantee that liquid refrigerant flows to the flow status of evaporator inlet, evaporate refrigerant convective heat exchange in shell and tube exchanger 25 low pressure liquid refrigerant and coil pipe, take away cold, cold-producing medium evaporation endothermic is vaporized into low-pressure gas, gas-liquid separator 16, described cooling system comprises: the cooling tower 28 water evaporation endothermic of spray, and reduce water temperature, water pump 26 send cooling tower cold water in the heat exchange of condensation shell and tube exchanger 24 Inner eycle, condensation shell and tube exchanger 24, described coolant circulating system comprises: evaporation shell and tube exchanger 25, refrigerant pump 27, evaporimeter (coil pipe air-cooler) 15, evaporation fan (coiler fan) 19, regulate the electric expansion valve 14 of refrigeration system (handpiece Water Chilling Units), reduce evaporation shell and tube exchanger, evaporating temperature in 25, in evaporation shell and tube exchanger 25, the refrigerant of cooling is sent refrigerant in pipe to exchange in coolant circulating system cycling hot by refrigerant pump 27, deliver to indoor each room evaporimeter (coil pipe air-cooler) 15 low temperature refrigerant heat exchange absorbing and cooling temperature, reduce evaporimeter (coil pipe air-cooler) 15 hull-skin temperatures above freezing, evaporimeter (coil pipe air-cooler) 15 outer surfaces are made to obtain enough condensed waters, refrigeration is completed by master controller 17, heating operations, the dust and dirt overall process on automated cleaning conditioner terminal air evaporimeter (coil pipe air-cooler) 15 surfaces.
Claims (5)
1. the adjustable refrigeration system evaporating temperature of heat pump cycle collects the device that condensed water cleans heat exchanger, and described refrigeration system comprises:
Compressor, is compressed to higher pressure refrigerant gas by low pressure refrigerant gas;
Muffler, reduces noise in compressor exhaust pipe;
Solenoid operated four-way valve, Transpression machine row, air intake duct gas refrigerant flow to condenser, evaporimeter;
Condenser, the high-pressure gas refrigerant that condensation is discharged from compressor becomes high pressure liquid refrigerant;
Condensation fan, accelerates the heat exchange that high-temperature gas condensation of refrigerant becomes liquid and environment;
Device for drying and filtering, the moisture in dry high pressure liquid refrigerant, filters the impurity in refrigeration system pipe;
Capillary, regulation and control high condenser pressure liquid refrigerant flow is to the low-pressure state of evaporator inlet;
Check (non-return) valve, liquid refrigerant one way flow;
Electromagnetism one-way valve, electromagnetism opening and closing single-pass valve;
Evaporimeter, the low pressure liquid refrigerant evaporation endothermic after capillary-compensated is vaporized into low-pressure refrigerant gas;
Evaporation fan, accelerates the heat exchange of low pressure liquid refrigerant evaporation endothermic and environment;
Gas-liquid separator, the low-pressure refrigerant gas of carburation by evaporation contains the liquid of no vaporization, and divided gas flow is to compressor air suction mouth;
Temperature inductor, gathers environment temperature;
Humidity sensor, gathers ambient humidity;
Master controller, is made up of various control module, and according to setting various temperature, humidity parameter, the dew-point temperature determined, controls automatically open or close each motor of refrigeration system, valve;
It is characterized in that: described capillary and electromagnetism one-way valve, have at least two sections of capillaries to be connected between condenser and evaporimeter, wherein one section of capillary and electromagnetism one-way valve are connected in parallel between condenser and evaporimeter; Described temperature inductor, the outdoor condenser of each leisure and indoor evaporator outer surface collecting temperature, described humidity sensor, humidity is gathered near the outdoor condenser of each leisure and indoor evaporator, utilize and control refrigeration system capillary-compensated flow, reduce heat exchanger be evaporator external temperature above freezing, make heat exchanger outer surface obtain enough condensed waters, start evaporation fan, condensation fan air-drying heat exchanger by master controller, complete the dust and dirt overall process of automated cleaning heat exchanger surface.
2. regulate refrigeration system evaporating temperature collection condensed water to clean a device for heat exchanger, described refrigeration system comprises:
Compressor, is compressed into higher pressure refrigerant gas by low pressure refrigerant gas;
Muffler, reduces noise in compressor exhaust pipe;
Condenser, the high-pressure gas refrigerant that condensation is discharged from compressor becomes high pressure liquid refrigerant;
Condensation fan, accelerates the heat exchange that high-temperature gas condensation of refrigerant becomes liquid and environment;
Device for drying and filtering, the moisture in dry high pressure liquid refrigerant, filters the impurity in refrigeration system pipe;
Capillary, regulation and control high condenser pressure liquid refrigerant flow is to the low-pressure state of evaporator inlet;
T-way change-over solenoid valve, changes refrigerant flow direction;
Evaporimeter, the low pressure liquid refrigerant evaporation endothermic after capillary-compensated is vaporized into low-pressure refrigerant gas;
Evaporation fan, accelerates the heat exchange of low pressure liquid refrigerant evaporation endothermic and environment;
Gas-liquid separator, the low-pressure refrigerant gas of carburation by evaporation contains the liquid of no vaporization, and divided gas flow is to compressor air suction mouth;
Temperature inductor; Gather environment temperature;
Humidity sensor; Gather ambient humidity;
Master controller, is made up of various control module, and according to setting various temperature, humidity parameter, the dew-point temperature determined, controls automatically open or close each motor of refrigeration system, valve;
It is characterized in that: described capillary and T-way change-over solenoid valve, at least two sections of capillaries are had to be connected between condenser and evaporimeter, wherein one section of capillary and T-way change-over solenoid valve port are connected between condenser and evaporimeter, utilize conversion refrigeration system capillary-compensated flow, reducing heat exchanger is that evaporator external temperature is above freezing, heat exchanger outer surface is made to obtain enough condensed waters, start evaporation fan air-drying heat exchanger by master controller, complete the dust and dirt overall process of automated cleaning heat exchanger surface.
3. regulate refrigeration system evaporating temperature collection condensed water to clean a device for heat exchanger, described refrigeration system comprises:
Compressor, is compressed into higher pressure refrigerant gas by low pressure refrigerant gas;
Muffler, reduces noise in compressor exhaust pipe;
Condenser, the high-pressure gas refrigerant that condensation is discharged from compressor becomes high pressure liquid refrigerant;
Condensation fan, accelerates the heat exchange that high-temperature gas condensation of refrigerant becomes liquid and environment;
Fluid reservoir, condensing high pressure liquid refrigerant storage tank;
Device for drying and filtering, the moisture in dry high pressure liquid refrigerant, filters the impurity in refrigeration system pipe;
Capillary, regulation and control high condenser pressure liquid refrigerant flow is to the low-pressure state of evaporator inlet;
Heating power expansion valve, utilizes evaporating pressure to open valve, controls flow;
Electromagnetism one-way valve, electromagnetism opening and closing single-pass valve;
Evaporimeter, the low pressure liquid refrigerant evaporation endothermic after heating power expansion valve throttling is vaporized into low-pressure refrigerant gas;
Evaporation fan, accelerates the heat exchange of low pressure liquid refrigerant evaporation endothermic and environment;
Gas-liquid separator, the low-pressure refrigerant gas of carburation by evaporation contains the liquid of no vaporization, and divided gas flow is to compressor air suction mouth;
Temperature inductor, gathers environment temperature;
Humidity sensor, gathers ambient humidity;
Master controller, is made up of various control module, and according to setting various temperature, humidity parameter, the dew-point temperature determined, controls automatically open or close each motor of refrigeration system, valve;
It is characterized in that: described capillary and electromagnetism one-way valve, have at least one section of capillary to be connected between condenser and evaporimeter, wherein one section of capillary and electromagnetism one-way valve are connected in parallel between condenser and evaporimeter; Utilize and control refrigeration system capillary-compensated flow, reducing heat exchanger is that evaporator external temperature is above freezing, make heat exchanger outer surface obtain enough condensed waters, start evaporation fan air-drying heat exchanger by master controller, complete the dust and dirt overall process of automated cleaning heat exchanger surface.
4. the adjustable refrigeration system evaporating temperature of heat pump cycle central air conditioner system collects the device that coolant circulating system evaporator condensation water cleans heat exchanger, and described central air conditioner system comprises: refrigeration system, coolant circulating system, cooling water system;
Described refrigeration system comprises:
Compressor, is compressed into higher pressure refrigerant gas by low pressure refrigerant gas;
Muffler, reduces noise in compressor exhaust pipe;
Solenoid operated four-way valve, Transpression machine row, air intake duct gas refrigerant flow to condenser, evaporimeter;
Condensation shell and tube exchanger, the high-pressure gas refrigerant that compressor is discharged and coil pipe inner cooling water convective heat exchange, take away heat, liquefied pressurized gas;
Device for drying and filtering, the moisture in dry high pressure liquid refrigerant, filters the impurity in refrigeration system pipe;
Electric expansion valve, automatic digital regulation and control high condenser pressure liquid refrigerant flow, guarantees that liquid refrigerant flows to the flow status of evaporator inlet;
Evaporation shell and tube exchanger, refrigerant convective heat exchange in low pressure liquid refrigerant and coil pipe, take away cold, cold-producing medium evaporation endothermic is vaporized into low-pressure gas;
Gas-liquid separator, the low-pressure refrigerant gas of carburation by evaporation contains the liquid of no vaporization, and divided gas flow is to compressor air suction mouth;
Temperature inductor, gathers environment temperature;
Humidity sensor, gathers ambient humidity;
Master controller, is made up of various control module, and according to setting various temperature, humidity parameter, the dew-point temperature determined, controls automatically open or close each motor of refrigeration system, valve;
Described coolant circulating system comprises:
Evaporation shell and tube exchanger, refrigerant convective heat exchange in low pressure liquid refrigerant and coil pipe, take away cold, cold-producing medium evaporation endothermic is vaporized into low-pressure gas;
Refrigerant pump, send refrigerant in pipe to exchange in coolant circulating system cycling hot;
Evaporimeter (coil pipe air-cooler), low temperature refrigerant heat exchange absorbing and cooling temperature;
Evaporation fan, accelerates the heat exchange of the heat absorption of low temperature refrigerant and environment;
Described cooling system comprises:
Condensation shell and tube exchanger, high-pressure gas refrigerant and coil pipe inner cold water convective heat exchange, take away heat, liquefied refrigerant gases at high pressure;
Cooling tower, with the water evaporation endothermic of spray, reduces water temperature;
Water pump, send cooling tower cold water in the heat exchange of condensation shell and tube exchanger Inner eycle;
It is characterized in that: electric expansion valve in described refrigeration system, between condenser and evaporimeter; Described temperature inductor, the outdoor condenser of each leisure and indoor evaporator outer surface collecting temperature, described humidity sensor, humidity is gathered near the outdoor condenser of each leisure and indoor evaporator, utilize and control refrigeration system flow of electronic expansion valve, in reduction evaporation shell and tube exchanger, temperature is above freezing, coolant circulating system evaporator external temperature is reduced, obtain enough condensed waters, start the air-dry evaporimeter of coolant circulating system evaporation fan by master controller, complete the dust and dirt overall process of automated cleaning coolant circulating system evaporator surface.
5. the adjustment refrigeration system evaporating temperature realized described in Claims 1 to 4 collects the method that condensed water cleans heat exchanger, comprise: when the heat exchanger in refrigeration system is evaporimeter, utilize and control refrigeration system throttling arrangement flow reduction indoor evaporator hull-skin temperature to above freezing, evaporator external is made to obtain enough condensed waters, vaporous water in air near evaporimeter is condensed into liquid condensation water, the Fouling Cleaning on the surface of described heat exchanger will be attached to, it is characterized in that, the step that described enough condensed waters are formed is comprised:
The place outdoor environment temperature gathered according to described refrigeration system and humidity, the dew-point temperature set with master controller is close, point out heat exchanger capable of washing, regulate the change of refrigeration system throttling arrangement flow, determine that described heat exchanger is that the hull-skin temperature of evaporimeter is above freezing, by master controller determination scavenging period, for the refrigeration system and the central air conditioner system that have heat pump cycle, can latter 3 minutes of evaporimeter cleaning under refrigerating state, restart heat-production functions, by this heat exchanger be evaporimeter convert to heat exchanger be condenser use, remained on surface moisture when this heat exchanger of heating removing is condenser, when heating state, for refrigeration system, purge chamber's external heat exchanger is the dirt on evaporimeter, change refrigerating state again, complete the clean of heat pump cycle refrigeration system indoor and outdoor heat exchanger, for the refrigeration system only having refrigerating function, adopt natural air drying heat exchanger surface or by master controller foundation environment temperature, humidity, determine to start evaporation fan, condensation fan air-drying heat exchanger surface, the place environment temperature that described refrigeration system gathers and humidity, available alert indoor and flow of outside air circulation method, central air conditioner system can start and extend the inletting fresh air automatic humidification time, indoor humidity is provided, also at indoor increase humidifier, indoor humidity can be improved, more convenient, comfortable, reach the automated cleaning of heat exchanger, improve the heat exchange efficiency of heat exchanger.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727869A (en) * | 2016-04-06 | 2016-07-06 | 河南工程学院 | Energy-saving instant-heating reaction kettle system |
| CN105928071A (en) * | 2016-05-06 | 2016-09-07 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN105953325A (en) * | 2016-05-06 | 2016-09-21 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN106556110A (en) * | 2016-11-18 | 2017-04-05 | 江苏新科电器有限公司 | A kind of method that indoor apparatus of air conditioner is cleaned automatically |
| CN106568173A (en) * | 2016-11-09 | 2017-04-19 | 青岛海尔空调器有限总公司 | Air conditioner cleaning device and cleaning method |
| CN106871420A (en) * | 2017-04-18 | 2017-06-20 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN107192252A (en) * | 2017-05-17 | 2017-09-22 | 中车哈尔滨车辆有限公司 | Reversible type grain heat-drying machine heat exchanger |
| CN108181345A (en) * | 2017-11-27 | 2018-06-19 | 中国空间技术研究院 | A kind of device and method for being used to test condensed water formation |
| CN108800389A (en) * | 2018-07-23 | 2018-11-13 | 东营市国睿节能科技有限公司 | A kind of seawater air conditioning systems system and method for automatic desludging |
| CN110017543A (en) * | 2019-04-17 | 2019-07-16 | 广东美的制冷设备有限公司 | Air conditioner, cleaning control method and computer readable storage medium |
| CN110953715A (en) * | 2019-12-25 | 2020-04-03 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| WO2020192070A1 (en) * | 2019-03-26 | 2020-10-01 | 珠海格力电器股份有限公司 | Air conditioner cleaning device and cleaning method, and air conditioner |
| CN112610991A (en) * | 2020-12-14 | 2021-04-06 | 郭勇 | Range hood equipment with high temperature and clean self-protection function |
| CN113137669A (en) * | 2020-01-16 | 2021-07-20 | 日立江森自控空调有限公司 | Refrigeration cycle system, window type air conditioner and method for operating window type air conditioner |
| CN113587248A (en) * | 2021-07-13 | 2021-11-02 | 重庆海尔空调器有限公司 | Method and device for self-cleaning air duct of air conditioner, air conditioner and storage medium |
| CN113670969A (en) * | 2021-09-09 | 2021-11-19 | 中国矿业大学(北京) | Freeze-thaw cycle simulation device |
| EP3862642A4 (en) * | 2018-11-14 | 2021-12-01 | Daikin Industries, Ltd. | Air conditioner |
| CN113983772A (en) * | 2021-09-30 | 2022-01-28 | 青岛海尔中央空调有限公司 | Control method for baking room system and baking room system |
| CN114341556A (en) * | 2019-09-02 | 2022-04-12 | 大金工业株式会社 | Air conditioning system |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727869B (en) * | 2016-04-06 | 2017-06-09 | 河南工程学院 | Energy-saving quick heating reactor system |
| CN105727869A (en) * | 2016-04-06 | 2016-07-06 | 河南工程学院 | Energy-saving instant-heating reaction kettle system |
| CN105928071A (en) * | 2016-05-06 | 2016-09-07 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN105953325A (en) * | 2016-05-06 | 2016-09-21 | 广东美的制冷设备有限公司 | Air conditioner and cleaning control method thereof |
| CN105928071B (en) * | 2016-05-06 | 2019-10-25 | 广东美的制冷设备有限公司 | Air conditioner and its cleaning control method |
| CN106568173A (en) * | 2016-11-09 | 2017-04-19 | 青岛海尔空调器有限总公司 | Air conditioner cleaning device and cleaning method |
| CN106556110A (en) * | 2016-11-18 | 2017-04-05 | 江苏新科电器有限公司 | A kind of method that indoor apparatus of air conditioner is cleaned automatically |
| CN106871420A (en) * | 2017-04-18 | 2017-06-20 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN107192252A (en) * | 2017-05-17 | 2017-09-22 | 中车哈尔滨车辆有限公司 | Reversible type grain heat-drying machine heat exchanger |
| CN108181345A (en) * | 2017-11-27 | 2018-06-19 | 中国空间技术研究院 | A kind of device and method for being used to test condensed water formation |
| CN108181345B (en) * | 2017-11-27 | 2020-05-08 | 中国空间技术研究院 | Device and method for testing condensate water formation |
| CN108800389A (en) * | 2018-07-23 | 2018-11-13 | 东营市国睿节能科技有限公司 | A kind of seawater air conditioning systems system and method for automatic desludging |
| CN108800389B (en) * | 2018-07-23 | 2023-08-04 | 东营市国睿节能科技有限公司 | Automatic descaling seawater air conditioning system and method |
| EP3862642A4 (en) * | 2018-11-14 | 2021-12-01 | Daikin Industries, Ltd. | Air conditioner |
| WO2020192070A1 (en) * | 2019-03-26 | 2020-10-01 | 珠海格力电器股份有限公司 | Air conditioner cleaning device and cleaning method, and air conditioner |
| CN110017543A (en) * | 2019-04-17 | 2019-07-16 | 广东美的制冷设备有限公司 | Air conditioner, cleaning control method and computer readable storage medium |
| CN114341556A (en) * | 2019-09-02 | 2022-04-12 | 大金工业株式会社 | Air conditioning system |
| CN110953715A (en) * | 2019-12-25 | 2020-04-03 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| CN110953715B (en) * | 2019-12-25 | 2022-04-22 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| CN113137669A (en) * | 2020-01-16 | 2021-07-20 | 日立江森自控空调有限公司 | Refrigeration cycle system, window type air conditioner and method for operating window type air conditioner |
| CN112610991A (en) * | 2020-12-14 | 2021-04-06 | 郭勇 | Range hood equipment with high temperature and clean self-protection function |
| CN113587248A (en) * | 2021-07-13 | 2021-11-02 | 重庆海尔空调器有限公司 | Method and device for self-cleaning air duct of air conditioner, air conditioner and storage medium |
| CN113670969A (en) * | 2021-09-09 | 2021-11-19 | 中国矿业大学(北京) | Freeze-thaw cycle simulation device |
| CN113983772A (en) * | 2021-09-30 | 2022-01-28 | 青岛海尔中央空调有限公司 | Control method for baking room system and baking room system |
| CN113983772B (en) * | 2021-09-30 | 2022-09-16 | 青岛海尔中央空调有限公司 | Control method for baking room system and baking room system |
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