CN105758045A - Ultralow-temperature overlapped triple generation heat pump unit - Google Patents
Ultralow-temperature overlapped triple generation heat pump unit Download PDFInfo
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- CN105758045A CN105758045A CN201610263823.2A CN201610263823A CN105758045A CN 105758045 A CN105758045 A CN 105758045A CN 201610263823 A CN201610263823 A CN 201610263823A CN 105758045 A CN105758045 A CN 105758045A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides an ultralow-temperature overlapped triple generation heat pump unit.The ultralow-temperature overlapped triple generation heat pump unit is characterized in that a low-temperature heat pump system, a high-temperature heat pump system, a hot water producing device and a control center are included; the hot water producing device comprises a hot water producing heat exchanger, a circulating water pump is arranged at the cold water inlet end of the hot water heat exchanger, and an evaporation condenser is connected with a high-temperature throttling device through a high-temperature heat exchanger switching solenoid valve; the output end of a high-temperature part compressor is connected with the heat medium input end of the hot water producing heat exchanger, the heat medium output end of the hot water producing heat exchanger is connected with a high-temperature part four-way valve, and the high-temperature part four-way valve is controlled to control the output end of the high-temperature part compressor to be selectively communicated with a high-temperature part air cooling heat exchanger or a high-temperature part water side heat exchanger.The needs for air conditioner refrigeration and heating and domestic hot water can be met at the same time, an overlapped system is not started during refrigeration, single-stage compression is adopted for refrigeration, the system is simpler and better in energy saving effect, the overlapped system is adopted in the low-temperature heating process, and the heating energy efficiency is higher.
Description
Technical field
The present invention relates to cold and heat supply apparatus field, particularly to a kind of ultra low temperature overlapping formula trilogy supply source pump.
Background technology
The common air-source heat pump water chiller-heater of current China is air conditioning unit and air friction drag is substantially two kinds independent device, and they are the blood circulation being made up of devices such as compressor, heat exchanger, reducer, heat extractor, compressors.Coolant under the effect of compressor at system internal circulation flow.It completes the boosting temperature-rise period of gaseous state in compressor, temperature is up to 100 DEG C, it carries out heat exchange with wind after entering heat exchanger, it is cooled and is converted into flow liquid state, after it runs to heat extractor, liquid evaporation of absorbing heat rapidly is again converted to gaseous state, and temperature drops to subzero 20 DEG C 30 DEG C simultaneously, and at this moment low-temperature heat quantity will be passed to coolant by the air of heat extractor periphery continuously.Coolant constantly circulates the low-temperature heat quantity being achieved that in air and is changed into heat of high temperature and heats cold water process or the process of cooling hot water.
Generally traditional air-source heat pump water chiller-heater is air conditioning unit is two independent equipment with air friction drag, and functions of the equipments are single, and utilization rate of equipment and installations is low and energy utilization rate is on the low side.And in actual application, due to the limitation of the character of coolant and refrigeration system, when the temperature of the surroundings is low, air conditioning unit and air friction drag the heating capacity of air-source heat pump water chiller-heater is on the low side, and efficiency is on the low side.Unit heating operation operating mode at low temperatures is severe simultaneously, and system compresses ratio is bigger than normal, and delivery temperature is high, and lubricating oil viscosity is on the low side, thus causing that the service life of whole system is shorter.
In actual user's demand, also exist for the demand of hot water simultaneously simultaneously, seldom consider user's request at present on the market, it is provided that the solution of hot water, refrigeration and heating that holonomic system is met customer need.
Summary of the invention
For disadvantages described above, present invention aim at how realizing, in varying environment temperature, same system meeting the demand of the hot water of user, refrigeration and heating simultaneously.
In order to solve problem above, the present invention proposes a kind of ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that comprising hot pump in low temp system simultaneously, high temperature heat pump system, hot-water apparatus and control centre, hot pump in low temp system, the control signal input of high temperature heat pump system is all connected with control centre, hot-water apparatus includes water heating heat exchanger, hot water heat exchanger cold water inlet end be provided with water circulating pump, the air vent of the low-temp. portion partial compression machine of hot pump in low temp system is connected with the evaporative condenser of high temperature heat pump system, high temperature heat pump system is additionally provided with high-temperature part air cooling heat exchanger and high-temperature part cross valve, evaporative condenser is connected with high temperature throttling arrangement by high-temperature heat-exchanging switching solenoid valve；High-temperature part air cooling heat exchanger is connected with high temperature throttling arrangement by air cooling heat exchanger switching solenoid valve, high-temperature part compressor output end is connected with the thermal medium input of water heating heat exchanger, the thermal medium outfan of water heating heat exchanger is connected with the high-temperature part cross valve that is connected, and selects to connect with high-temperature part air cooling heat exchanger or high-temperature part water-side heat by controlling high-temperature part cross valve control high-temperature part compressor output end.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterised in that described hot pump in low temp system is provided with defrosting electromagnetic valve, described defrosting electromagnetic valve is arranged on low temperature partial vaporiser and is connected with the air vent of low-temp. portion partial compression machine.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that described control centre includes mode control module, described mode control module include independent air-conditioning heating pattern, independent air conditioner refrigerating pattern, hot environment life water heating pattern, low temperature environment life water heating pattern and or air conditioner refrigerating life water heating pattern.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that independent air-conditioning heating pattern particularly as follows: start hot pump in low temp system and high temperature heat pump system simultaneously, close water circulating pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve；Control hot pump in low temp system and provide thermal source for evaporative condenser.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that described independent air conditioner refrigerating pattern particularly as follows: close hot pump in low temp system system and water circulating pump, open high temperature heat pump system system, control high-temperature part cross valve, high-temperature part compressor output end is connected with high-temperature part air cooling heat exchanger, close high-temperature heat-exchanging switching solenoid valve, open air cooling heat exchanger switching solenoid valve.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that described hot environment life water heating pattern particularly as follows: start high temperature heat pump system and water circulating pump, close hot pump in low temp system system, close air-conditioning side water pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that described low temperature environment life water heating pattern particularly as follows: start high temperature heat pump system, low-temperature water heating system and water circulating pump, close air-conditioning side water pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve control hot pump in low temp system and provide thermal source for evaporative condenser.
Described ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that described air conditioner refrigerating life water heating pattern particularly as follows: start high temperature heat pump system and water circulating pump, control high-temperature part cross valve, high-temperature part compressor output end is connected with high-temperature part air cooling heat exchanger, close the cold icepro device fan of high-temperature part air cooling heat exchanger, close high-temperature heat-exchanging switching solenoid valve, open air cooling heat exchanger switching solenoid valve
The present invention adopts double; two high-temperature part design of condenser by system, and a unit can meet air conditioner refrigerating, heat requirement, also can meet domestic hot-water's user demand；Equipment energy utilization rate is higher: equipment adopts the design of total heat recovery system, and domestic hot-water during summer air-conditioning refrigeration is completely free, and the comprehensive energy efficiency ratio of unit is up to more than 7.0；The heating effect of equipment low temperature environment is better: system adopts folding type cooling system, and running environment is wider, and heating capacity and heating energy efficiency ratio are higher, heat water temperature higher；The stability of equipment is higher, longer service life: the low-temp. portion partial compression machine of folding type cooling system adopts DC frequency-changeable compressor, Defrost mode adopts hot gas bypass defrosting, load variability and the stability of whole hot pump in low temp system are far longer than conventional system so that no matter whole system can stable operation under any load for high-temperature part system；Overcome the defect that overlapping air source heat pump can not freeze, it is possible to meet central air-conditioning refrigeration simultaneously, heat the demand with domestic hot-water.Not starting superposition type system during refrigeration, and adopt single stage compress to freeze, system is simpler, energy-saving effect is better.Adopt superposition type system during low-temperature heating, heat efficiency higher.
Accompanying drawing explanation
Fig. 1 is ultra low temperature overlapping formula trilogy supply heat pump set system block diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is ultra low temperature overlapping formula trilogy supply heat pump set system block diagram.Source pump includes high-temperature part air cooling heat exchanger 1, air cooling heat exchanger blower fan 2, low-temp. portion partial compression machine 3, low temperature partial vaporiser 4, low temperature part gas-liquid separator 5, defrosting electromagnetic valve 6, low temperature partial throttling device 7, low temperature part fluid reservoir 8, evaporative condenser 9, high-temperature heat-exchanging switching high-temperature heat-exchanging switching solenoid valve 10, air cooling heat exchanger switching air cooling heat exchanger switching solenoid valve 11, high temperature throttling arrangement 12, high-temperature part compressor 13, high-temperature part gas-liquid separator 14, high-temperature part cross valve 15, high-temperature part water-side heat 16, the low-temperature refrigerant of hot water heat exchanger 17 and water circulating pump 18 and connecting copper pipe and internal system thereof and high temperature refrigerant pressure composition.
Control centre by controlling hot pump in low temp system, high temperature heat pump system and hot-water apparatus, can allow this system select according to actual needs to operate in independent air-conditioning heating pattern, independent air conditioner refrigerating pattern, hot environment life water heating pattern, low temperature environment life water heating pattern or air conditioner refrigerating life water heating pattern by its internal mode control module.
Each mode operation principle concrete is as follows:
Independent air-conditioning heating pattern:
During independent air-conditioning heating mode operation, high temperature heat pump system and hot pump in low temp system start simultaneously.Circulating hot water is provided for central air conditioner system by the work of applied at elevated temperature side system, high-temperature part compressor 13 is compressed into the high temperature refrigerant gas of High Temperature High Pressure by hot water heat exchanger 17 after being sucked by the high temperature refrigerant of gaseous state low-temp low-pressure, water circulating pump 18 does not run, heat release is carried out with entering in high-temperature part condenser 16 after high-temperature part cross valve 15, the temperature refrigerant liquid being condensed into high pressure carries out reducing pressure by regulating flow through high-temperature part throttling arrangement 12, become the high temperature refrigerant gas-liquid mixture of low-temp low-pressure, then pass through high-temperature heat-exchanging switching solenoid valve 10 enter evaporative condenser 9 be evaporated heat absorption, become the gaseous state high temperature refrigerant of low-temp low-pressure to return to after high-temperature part cross valve 15 and high-temperature part gas-liquid separator 14 high-temperature part compressor 13 continues this cycle of operation.Whole high temperature heat pump system absorbs, by evaporative condenser 9, the heat discharged in hot pump in low temp system, and discharges in air conditioning hot by heat by high-temperature part condenser 16, provides thermal source for hot water heating endlessly, thus reaching the effect of heating.Cryogenic compressor 3 is compressed in the low temperature refrigerant gas entrance evaporative condenser 9 of High Temperature High Pressure after being sucked by the low-temperature refrigerant of gaseous state low-temp low-pressure and carries out heat release simultaneously, the low-temperature refrigerant liquid being condensed into high pressure carries out reducing pressure by regulating flow by low temperature partial throttling device 7 after low temperature part fluid reservoir 8, become the low-temperature refrigerant gas-liquid mixture of low-temp low-pressure, then passing through low temperature partial vaporiser 4 and be evaporated heat absorption, the gaseous state low-temperature refrigerant becoming low-temp low-pressure continues this cycle of operation by returning to after low temperature part gas-liquid separator 5 in cryogenic compressor 3.Whole hot pump in low temp system absorbs heat endlessly from air, and rejects heat to evaporative condenser 9, provides thermal source for high temperature heat pump system work.Hot pump in low temp system adopts DC frequency-changing refrigeration system simultaneously, cryogenic compressor 3 adopts DC frequency-changeable compressor, the FREQUENCY CONTROL of whole system is by outside environment and uses the drying thermic load of side to be adjusted, thus preventing from causing whole system fluctuation of service because the load of high and low pressure system does not mate or breaking down.The defrosting of hot pump in low temp system adopts hot gas bypass defrosting technology, when hot pump in low temp system reaches defrosting condition, defrosting electromagnetic valve 6 is opened, the low temperature refrigerant gas of High Temperature High Pressure directly from cryogenic compressor 3 air vent enters into low temperature partial vaporiser 4 and carries out defrost.This defrosting formal system steady operation, does not interfere with the properly functioning of high temperature heat pump system.
Independent air conditioner refrigerating pattern:
Independent air conditioner refrigerating pattern, high temperature heat pump system starts, and hot pump in low temp system stops.nullCold water is provided for central air conditioner system by the work of applied at elevated temperature side system，High-temperature part compressor 13 is compressed into the high temperature refrigerant gas of High Temperature High Pressure and is changed back into carrying out heat release in high-temperature part air cooling heat exchanger 1 by hot water heat exchanger 17 (water circulating pump 18 does not run) and high-temperature part cross valve 15 after being sucked by the high temperature refrigerant of gaseous state low-temp low-pressure，It is condensed into the temperature refrigerant liquid of high pressure after air cooling heat exchanger switching solenoid valve 11, to enter high-temperature part throttling arrangement 12 carry out reducing pressure by regulating flow，Become the high temperature refrigerant gas-liquid mixture of low-temp low-pressure，Subsequently into high-temperature part condenser 16 is evaporated heat absorption，The gaseous state high temperature refrigerant becoming low-temp low-pressure continues this cycle of operation by returning to after high-temperature part cross valve 15 and high-temperature part gas-liquid separator 14 in high-temperature part compressor 13.Whole high temperature heat pump system passes through high-temperature part air cooling heat exchanger 1 heat release, and continuous by absorbing heat in high-temperature part condenser 16, provides low-temperature receiver for air conditioner cold water cooling endlessly, thus reaching the effect of air conditioner refrigerating.
Hot environment life water heating pattern:
During hot environment life water heating mode operation, high temperature heat pump system starts, and hot pump in low temp system stops.nullDomestic hot-water is provided for hot water supply system by the work of applied at elevated temperature side system，High-temperature part compressor 13 is compressed into the high temperature refrigerant gas of High Temperature High Pressure by hot water heat exchanger 17 after being sucked by the high temperature refrigerant of gaseous state low-temp low-pressure，Water circulating pump 18 runs，Hot water heat exchanger 17 carries out heat release，It is condensed into the temperature refrigerant liquid of high pressure by passing through high-temperature part condenser 16 after high-temperature part cross valve 15，Air-conditioning side water pump does not run，After carry out reducing pressure by regulating flow through high-temperature part throttling arrangement 12，Become the high temperature refrigerant gas-liquid mixture of low-temp low-pressure，Enter high-temperature part air cooling heat exchanger 1 after then passing through air cooling heat exchanger switching solenoid valve 11 and be evaporated heat absorption，The gaseous state high temperature refrigerant becoming low-temp low-pressure continues this cycle of operation by returning to after high-temperature part cross valve 15 and high-temperature part gas-liquid separator 14 in high-temperature part compressor 13.Whole high temperature heat pump system is absorbed heat by high-temperature part air cooling heat exchanger 1, and continuous carries out heat release by hot water heat exchanger 17, thus endlessly for life hot water heating offer thermal source, thus reaching to produce the effect of domestic hot-water.
Low temperature environment life water heating pattern:
During low temperature environment life water heating mode operation, high temperature heat pump system and hot pump in low temp system start simultaneously.nullHot water is provided for hot water supply system by the work of applied at elevated temperature side system，High-temperature part compressor 13 is compressed into the high temperature refrigerant gas of High Temperature High Pressure by hot water heat exchanger 17 after being sucked by the high temperature refrigerant of gaseous state low-temp low-pressure，Water circulating pump 18 runs，Hot water heat exchanger 17 carries out heat release，It is condensed into the temperature refrigerant liquid of high pressure by passing through high-temperature part condenser 16 after high-temperature part cross valve 15，Air-conditioning side water pump does not run，After carry out reducing pressure by regulating flow through high-temperature part throttling arrangement 12，Become the high temperature refrigerant gas-liquid mixture of low-temp low-pressure，Then pass through high-temperature heat-exchanging switching solenoid valve 10 enter evaporative condenser 9 be evaporated heat absorption，Become the gaseous state high temperature refrigerant of low-temp low-pressure to return to after high-temperature part cross valve 15 and high-temperature part gas-liquid separator 14 high-temperature part compressor 13 continues this cycle of operation.Whole high temperature heat pump system absorbs, by evaporative condenser 9, the heat discharged in hot pump in low temp system, and heat is discharged in domestic hot-water by hot water heat exchanger 17, thermal source is provided endlessly, thus reaching to produce the effect of domestic hot-water for life hot water heating.Cryogenic compressor 3 is compressed in the low temperature refrigerant gas entrance evaporative condenser 9 of High Temperature High Pressure after being sucked by the low-temperature refrigerant of gaseous state low-temp low-pressure and carries out heat release simultaneously, the low-temperature refrigerant liquid being condensed into high pressure carries out reducing pressure by regulating flow by low temperature partial throttling device 7 after low temperature part fluid reservoir 8, become the low-temperature refrigerant gas-liquid mixture of low-temp low-pressure, then passing through low temperature partial vaporiser 4 and be evaporated heat absorption, the gaseous state low-temperature refrigerant becoming low-temp low-pressure continues this cycle of operation by returning to after low temperature part gas-liquid separator 5 in cryogenic compressor 3.Whole hot pump in low temp system absorbs heat endlessly from air, and rejects heat to evaporative condenser 9, provides thermal source for high temperature heat pump system work.Hot pump in low temp system adopts DC frequency-changing refrigeration system simultaneously, cryogenic compressor 3 adopts DC frequency-changeable compressor, the FREQUENCY CONTROL of whole system is by outside environment and uses the drying thermic load of side to be adjusted, thus preventing from causing whole system fluctuation of service because the load of high and low pressure system does not mate or breaking down.The defrosting of hot pump in low temp system adopts hot gas bypass defrosting technology, when hot pump in low temp system reaches defrosting condition, defrosting electromagnetic valve 6 is opened, the low temperature refrigerant gas of High Temperature High Pressure directly from cryogenic compressor 3 air vent enters into low temperature partial vaporiser 4 and carries out defrost.This defrosting formal system steady operation, does not interfere with the properly functioning of high temperature heat pump system.
Air conditioner refrigerating life water heating pattern:
During air conditioner refrigerating life water heating mode operation, high temperature heat pump system starts, and hot pump in low temp system stops.nullCold water is provided for central air conditioner system by the work of applied at elevated temperature side system，High-temperature part compressor 13 is compressed into the high temperature refrigerant gas of High Temperature High Pressure by hot water heat exchanger 17 after being sucked by the high temperature refrigerant of gaseous state low-temp low-pressure，Water circulating pump 18 runs，Hot water heat exchanger 17 carries out heat release，The temperature refrigerant liquid being condensed into high pressure passes through after high-temperature part cross valve 15 commutates again through high-temperature part air cooling heat exchanger 1，Condenser fan does not run，After after air cooling heat exchanger switching solenoid valve 11 enter high-temperature part throttling arrangement 12 carry out reducing pressure by regulating flow，Become the high temperature refrigerant gas-liquid mixture of low-temp low-pressure，Subsequently into high-temperature part condenser 16 is evaporated heat absorption，The gaseous state high temperature refrigerant becoming low-temp low-pressure continues this cycle of operation by returning to after high-temperature part cross valve 15 and high-temperature part gas-liquid separator 14 in high-temperature part compressor 13.Whole high temperature heat pump system passes through hot water heat exchanger 17 heat release, heats to domestic hot-water, and continuous by absorbing heat in high-temperature part condenser 16, provides low-temperature receiver for air conditioner cold water cooling endlessly, thus reaching the effect of air conditioner refrigerating+domestic hot-water.Simultaneously producing of domestic hot-water is entirely free, has higher energy-saving effect.
Above disclosed it is only an embodiment of the present invention, certainly this interest field can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are made, still fall within the scope that the present invention contains.
Claims (8)
1. a ultra low temperature overlapping formula trilogy supply source pump, it is characterized in that comprising hot pump in low temp system simultaneously, high temperature heat pump system, hot-water apparatus and control centre, hot pump in low temp system, the control signal input of high temperature heat pump system is all connected with control centre, hot-water apparatus includes water heating heat exchanger, hot water heat exchanger cold water inlet end be provided with water circulating pump, the air vent of the low-temp. portion partial compression machine of hot pump in low temp system is connected with the evaporative condenser of high temperature heat pump system, high temperature heat pump system is additionally provided with high-temperature part air cooling heat exchanger and high-temperature part cross valve, evaporative condenser is connected with high temperature throttling arrangement by high-temperature heat-exchanging switching solenoid valve；High-temperature part air cooling heat exchanger is connected with high temperature throttling arrangement by air cooling heat exchanger switching solenoid valve, high-temperature part compressor output end is connected with the thermal medium input of water heating heat exchanger, the thermal medium outfan of water heating heat exchanger is connected with the high-temperature part cross valve that is connected, and selects to connect with high-temperature part air cooling heat exchanger or high-temperature part water-side heat by controlling high-temperature part cross valve control high-temperature part compressor output end.
2. ultra low temperature overlapping formula trilogy supply source pump according to claim 1, it is characterised in that described hot pump in low temp system is provided with defrosting electromagnetic valve, described defrosting electromagnetic valve is arranged on low temperature partial vaporiser and is connected with the air vent of low-temp. portion partial compression machine.
3. ultra low temperature overlapping formula trilogy supply source pump according to claim 2, it is characterized in that described control centre includes mode control module, described mode control module include independent air-conditioning heating pattern, independent air conditioner refrigerating pattern, hot environment life water heating pattern, low temperature environment life water heating pattern and or air conditioner refrigerating life water heating pattern.
4. ultra low temperature overlapping formula trilogy supply source pump according to claim 3, it is characterized in that independent air-conditioning heating pattern particularly as follows: start hot pump in low temp system and high temperature heat pump system simultaneously, close water circulating pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve；Control hot pump in low temp system and provide thermal source for evaporative condenser.
5. ultra low temperature overlapping formula trilogy supply source pump according to claim 3, it is characterized in that described independent air conditioner refrigerating pattern particularly as follows: close hot pump in low temp system system and water circulating pump, open high temperature heat pump system system, control high-temperature part cross valve, high-temperature part compressor output end is connected with high-temperature part air cooling heat exchanger, close high-temperature heat-exchanging switching solenoid valve, open air cooling heat exchanger switching solenoid valve.
6. ultra low temperature overlapping formula trilogy supply source pump according to claim 3, it is characterized in that described hot environment life water heating pattern particularly as follows: start high temperature heat pump system and water circulating pump, close hot pump in low temp system system, close air-conditioning side water pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve.
7. ultra low temperature overlapping formula trilogy supply source pump according to claim 3, it is characterized in that described low temperature environment life water heating pattern particularly as follows: start high temperature heat pump system, low-temperature water heating system and water circulating pump, close air-conditioning side water pump, control high-temperature part cross valve so that high-temperature part compressor output end connects with high-temperature part water-side heat；Open high-temperature heat-exchanging switching solenoid valve, close air cooling heat exchanger switching solenoid valve control hot pump in low temp system and provide thermal source for evaporative condenser.
8. the ultra low temperature overlapping formula trilogy supply source pump according to claim 3 to 7 any one, it is characterized in that described air conditioner refrigerating life water heating pattern particularly as follows: start high temperature heat pump system and water circulating pump, control high-temperature part cross valve, high-temperature part compressor output end is connected with high-temperature part air cooling heat exchanger, close the cold icepro device fan of high-temperature part air cooling heat exchanger, close high-temperature heat-exchanging switching solenoid valve, open air cooling heat exchanger switching solenoid valve.
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| CN201610263823.2A CN105758045A (en) | 2016-04-25 | 2016-04-25 | Ultralow-temperature overlapped triple generation heat pump unit |
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| CN201610263823.2A CN105758045A (en) | 2016-04-25 | 2016-04-25 | Ultralow-temperature overlapped triple generation heat pump unit |
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| CN105758045A true CN105758045A (en) | 2016-07-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113348333B (en) * | 2019-02-05 | 2023-07-11 | 三菱电机株式会社 | Outdoor unit of refrigeration device and refrigeration device provided with same |
| CN112594954A (en) * | 2021-01-18 | 2021-04-02 | 北京天意能科技有限公司 | Full-working-condition double-cold-storage warm air conditioning system |
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