CN108344177A - Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet - Google Patents
Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet Download PDFInfo
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- CN108344177A CN108344177A CN201810319979.7A CN201810319979A CN108344177A CN 108344177 A CN108344177 A CN 108344177A CN 201810319979 A CN201810319979 A CN 201810319979A CN 108344177 A CN108344177 A CN 108344177A
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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
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
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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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
A kind of double compressing hot pump water heaters of step heating multi-model coupling layering water outlet, including evaporator, the first compressor, the first shut-off valve, the second shut-off valve, the second compressor, the first expansion valve, the second expansion valve, regenerator, third expansion valve, the second condenser, the first condenser, water pump, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve, flow control valve, water tank, the first water mixing valve, the second water mixing valve, third water mixing valve and the 11st shut-off valve；Switched by various modes using the heat pump cycle of two stages of compression two-stage throttle type and independent heating is carried out to multiple and different thermal stratification areas in water tank, by way of individually being heated to different set thermal stratification area under different coupled mode to the switching of different shut-off valves realization, by the way of fetching water from different temperatures demixing zone.Heat production efficiency of the present invention is higher.
Description
Technical field
The invention belongs to art of heat pumps, are related to a kind of Teat pump boiler.
Background technology
With the gradual approval and the support of national policy in market, air source hot pump water heater has obtained unprecedented extensive
Promote, user to water comfort level and energy saving special attention.However less efficient several of traditional directly-heated type Teat pump boiler
A major reason is caused by the heat transfer temperature difference between refrigerant and cold water is larger, is also that restriction loss is led with compressor loss
It causes, therefore Teat pump boiler also needs to consume a large amount of electric energy, efficiency is ideal not enough, therefore it is a weight to improve its electrical efficiency
The improvement direction wanted.Existing Teat pump boiler can only heat the water to very high temperature and be stored in water tank, when user's use compared with
When the hot water of low temperature, it could be used after can only being mixed from the hot water for releasing very high temperature in water tank with cold water, this mistake
Journey can waste the available energy in hot waterTo generate larger entropy production, the utilization rate of the energy is reduced, and there is hot water temperature
Spend it is single can not quickly meet user to it is different with coolant-temperature gage the needs of；And it can be opened automatically when heat pump system detection water temperature reduces
The dynamic water to entire water tank carries out circulating-heating, this heat that can be caused energy waste and cannot quickly supplement user's required temperature
Water problems.However user generally has quickly with water and energy-efficient demand, it is an important topic to improve heat pump heat production efficiency.
Invention content
Heat production in order to overcome the shortcomings of existing water heater is less efficient, and the present invention provides a kind of heat production efficiency is higher
Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of double compressing hot pump water heaters of step heating multi-model coupling layering water outlet, the water heater includes evaporation
Device, the first compressor, the first shut-off valve, the second shut-off valve, the second compressor, the first expansion valve, the second expansion valve, regenerator,
Third expansion valve, the second condenser, the first condenser, water pump, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th section
Only valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve, flow control valve, water tank, the first water mixing valve,
Second water mixing valve, third water mixing valve and the 11st shut-off valve；
The import of first compressor is connected with the outlet of evaporator, and the outlet of the first compressor ends with first respectively
The outlet of valve, the import of the second shut-off valve are connected with the first import of the first condenser；The import of evaporator and the first expansion valve
Outlet be connected；The outlet of second shut-off valve is connected with the import of the second compressor；First import of regenerator is expanded with third
The outlet of valve is connected, and the second import of regenerator is connected with the first outlet of the second condenser, the first outlet of regenerator and the
The import of one shut-off valve is connected, and the second outlet of regenerator is connected with the import of the second expansion valve；The second of first condenser into
Mouth is connected with the outlet of water pump, the first outlet of the first condenser and the import of the first expansion valve, the outlet phase of the second expansion valve
Even, the second outlet of the first condenser is connected with the second import of the second condenser；The first import and second of second condenser
The outlet of compressor is connected, first outlet the second import with the import of third expansion valve and regenerator respectively of the second condenser
It is connected, the second outlet of the second condenser is connected with the import of the 5th shut-off valve and the import of the 6th shut-off valve respectively；Water pump
Import is connected with the outlet of third shut-off valve and the outlet of flow control valve respectively；The import of third shut-off valve respectively with the tenth section
Only the import of valve, the outlet of the 4th shut-off valve are connected with the outlet of the 9th shut-off valve；The import of 4th shut-off valve is respectively with the 8th
The import of shut-off valve, the outlet of the 5th shut-off valve are connected with the outlet of the 7th shut-off valve；First import of water tank and the 6th cut-off
The outlet of valve is connected, and the second import of water tank is connected with the outlet of the 8th shut-off valve, third import and the tenth shut-off valve of water tank
Outlet be connected, the 4th import of water tank is connected with the outlet of the 11st shut-off valve, the first outlet of water tank and the 7th shut-off valve
Import be connected, the second outlet of water tank is connected with the import of the 9th shut-off valve, and the third of water tank exports and flow control valve
Import is connected, and the 4th outlet of water tank is connected with the first import of the first water mixing valve, the 5th outlet of water tank and the second water mixing valve
The first import be connected, water tank the 6th outlet be connected with the first import of third water mixing valve；Second import of the first water mixing valve
It is connected with cooling water inlet, the outlet of the first water mixing valve is the first hot water outlet；Second import of the second water mixing valve and cooling water inlet
It is connected, the outlet of the second water mixing valve is the second hot water outlet；Second import of third water mixing valve is connected with cooling water inlet, and third is mixed
The outlet of water valve is third hot water outlet.
Further, first water mixing valve, the second water mixing valve and third water mixing valve carry flow sensor.
Further, the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensing
Device, the first temperature sensor are located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at warm water in water tank
The middle part of demixing zone, third temperature sensor are located at the middle part in water tank low-temperature stratification area.
Further, the water heater further includes control system, and first water mixing valve, the second water mixing valve and third mix water
The flow sensor of valve, the first temperature sensor, second temperature sensor and third temperature sensor with the control system
Connection, the control system are expanded with the first shut-off valve, the second shut-off valve, the first expansion valve, the second expansion valve, third respectively
Valve, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th cut-off
The controlled end company of valve, the tenth shut-off valve, the 11st shut-off valve, flow control valve, the first compressor, the second compressor and water pump
It connects.
Beneficial effects of the present invention are mainly manifested in：First, the present invention proposes a kind of heat of step coupling two-step heating
Pumping system is innovated from Systems Theory level, is coupled and is heated using step, cold water will be by ingredient two-step heating, to subtract
Small heat transfer temperature difference improves heat exchange efficiency.The second, high pressure compressor pressure ratio can be reduced using two stages of compression, effectively reduces pressure
Irreversible loss in compression process is to improve heat pump efficiency.Third, the present invention use the heat pump of two stages of compression single-stage throttle type
It cycles through various modes switching and independent heating is carried out to multiple and different thermal stratification areas in water tank, it can be with different temperatures demixing zone
More optimal coupling is carried out, to greatly promote the efficiency of the ability and cycle that heat water, is extended compared with the heat pump of single-stage
Use scope neatly uses two-step heating hot water compared with the existing two stages of compression heat pump, when hot water temperature rises larger,
The wasted work of high pressure compressor can be greatly reduced, improve efficiency, and use the processing of backheat Gas-supplying enthalpy-increasing formula, by condensed system
In cryogen heat recovery to the refrigerant of two-stage compressor second vapor injection, high pressure stage compressor admission pressure, refrigerant can be improved
Enthalpy reduces the pressure ratio of high pressure compressor, to reduce wasted work, improves efficiency.4th, use medium temperature, lower temperature in user
Hot water when, compared to high temperature traditionally is heated to the water of entire large water tank, then by slow thermaltransmission mode become compared with
Hot water available energy caused by the water of low temperatureReduction, the lag of the waste of the energy and hot water supply, the present invention is logical
It crosses and the mode individually heated to different set thermal stratification area under different coupled mode is realized to the switching of different shut-off valves, it can
With effectively energy saving waste, and hot water can be quickly supplemented to being used by a user consumed hot water demixing zone.5th,
It is brought by by the hot water of high-temperature and cold water mix when using lower temperature hot water to reduce userLoss, this
Invention from different temperatures demixing zone by the way of fetching water；And present invention incorporates directly-heated type Teat pump boilers to user's use heat
The reaction speed of water demand is fast and circulating heat pump water heater can keep the advantage stablized to thermal stratification area hot water temperature, designs
User use and idle state under different heating mode, to better conforming to user demand.
Description of the drawings
Fig. 1 is the schematic diagram of double compressing hot pump water heaters of step heating multi-model coupling layering water outlet.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of double compressing hot pump water heaters of step heating multi-model coupling layering water outlet, including evaporator 1,
First compressor 2, the first shut-off valve 3, the second shut-off valve 4, the second compressor 5, the first expansion valve 6, the second expansion valve 7, backheat
Device 8, third expansion valve 9, the second condenser 10, the first condenser 11, water pump 12, third shut-off valve 13, the 4th shut-off valve 14,
Five shut-off valves 15, the 6th shut-off valve 16, the 7th shut-off valve 17, the 8th shut-off valve 18, the 9th shut-off valve 19, the tenth shut-off valve 20,
Flow control valve 21, water tank 22, the first water mixing valve 23 (band flow sensor), the second water mixing valve 24 (band flow sensor), the
Three water mixing valves 25 (band flow sensor), the 11st shut-off valve 26, control system 27, the first temperature sensor 28, second temperature
Sensor 29 and third temperature sensor 30.
The import of first compressor 2 is connected with the outlet of evaporator 1 by pipeline, the outlet point of the first compressor 2
It is not connected by pipeline with the outlet of the first shut-off valve 3, the import of the second shut-off valve 4 and the first import of the first condenser 11；
The import of evaporator 1 is connected with the outlet of the first expansion valve 6 by pipeline；The outlet of second shut-off valve 4 and the second compressor 5
Import is connected by pipeline；There are four inlet and outlet, the first imports to be connected by pipeline with the outlet of third expansion valve 9 for regenerator 8,
Second import is connected with the first outlet of the second condenser 10 by pipeline, and first outlet and the import of the first shut-off valve 3 pass through
Pipeline is connected, and second outlet is connected with the import of the second expansion valve 7 by pipeline；Inlet and outlet that there are four first condensers 11, the
One import is connected with the outlet of the first shut-off valve 3, the import of the second shut-off valve 4 and the outlet of the first compressor 2 by pipeline, the
Two imports are connected with the outlet of water pump 12 by pipeline, and the import of first outlet and the first expansion valve 6, the second expansion valve 7 go out
Mouth is connected by pipeline, and second outlet is connected with the second import of the second condenser 10 by pipeline；Second condenser 10 has four
A inlet and outlet, the first import are connected with the outlet of the second compressor 5 by pipeline, the second import and the second of the first condenser 11
Outlet is connected by pipeline, and second import of the first outlet respectively with the import of third expansion valve 9 and regenerator 8 passes through pipeline phase
Even, second outlet is connected with the import of the 5th shut-off valve 15 and the 6th shut-off valve 16 by pipeline respectively；The import of water pump 12 point
It is not connected by pipeline with the outlet of third shut-off valve 13 and flow control valve 21；The import of third shut-off valve 13 is respectively with the tenth
The import of shut-off valve 20, the outlet of the 4th shut-off valve 14 are connected with the outlet of the 9th shut-off valve 19 by pipeline；4th shut-off valve
14 import passes through pipe with the import, the outlet of the 5th shut-off valve 15 and the outlet of the 7th shut-off valve 17 of the 8th shut-off valve 18 respectively
Line is connected；Water tank 22 has ten inlet and outlet, the first import to be connected by pipeline with the outlet of the 6th shut-off valve 16, the second import with
The outlet of 8th shut-off valve 18 is connected by pipeline, and third import is connected with the outlet of the tenth shut-off valve 20 by pipeline, and the 4th
Import is connected with the outlet of the 11st shut-off valve 26 by pipeline, and first outlet and the import of the 7th shut-off valve 17 pass through pipeline phase
Even, second outlet is connected with the import of the 9th shut-off valve 19 by pipeline, and the import that third exports with flow control valve 21 passes through
Pipeline is connected, and the 4th outlet is connected with the first import of the first water mixing valve 23 by pipeline, the 5th outlet and the second water mixing valve 24
The first import by pipeline be connected, the 6th outlet be connected by pipeline with the first import of third water mixing valve 25；First mixed water
There are three inlet and outlet, the second imports to be connected by pipeline with cooling water inlet for valve 23, and outlet is supplied with hot water needed for user；Second is mixed
There are three inlet and outlet, the second imports to be connected by pipeline with cooling water inlet for water valve 24, and outlet is supplied with hot water needed for user；Third
There are three inlet and outlet, the second imports to be connected by pipeline with cooling water inlet for water mixing valve 25, and outlet is supplied with hot water needed for user.The
One temperature sensor 28 is located at the middle part of 22 high-temperature-hot-water demixing zone of water tank, and second temperature sensor 29, which is located in water tank 22, to be warmed
The middle part in water stratification area, third temperature sensor 30 are located at the middle part in 22 low-temperature stratification area of water tank.
The course of work of the present embodiment is：
First compressor selects frequency-changeable compressor, the second compressor to select invariable frequency compressor.
Two-stage Compression step heats high-temperature-hot-water water exit mode：The pattern, user are used when required hot water temperature is higher
It is fetched water by the outlet of the first water mixing valve 23, the flow sensor at the first water mixing valve 23 detects hot water flow signal at this time,
Control system 27 is passed the signal along to, then control system 27 outputs a control signal to each component, makes the first shut-off valve 3, second
Shut-off valve 4, the 6th shut-off valve 16, the 11st shut-off valve 26 are opened, third shut-off valve 13, the cut-off of the 4th shut-off valve the 14, the 5th
Valve 15, the 7th shut-off valve 17, the 8th shut-off valve 18, the 9th shut-off valve 19, the tenth shut-off valve 20 are turned off, the first compressor 2 with
High-frequency is run, and the second compressor 5, water pump 12 are run, and control system 27 is made flow-rate adjustment to flow control valve 21 and made
Water flow is equal to hot water flow at the first water mixing valve 23 at flow control valve 21.The gaseous refrigerant of medium temperature and medium pressure is compressed from first
The outlet outflow of machine 2 is divided into two-way, and the first via enters the first import of the first condenser 11, and heat release is cold in the first condenser 11
Solidifying, the liquid refrigerant pressed in low temperature is flowed out from the first outlet of the first condenser 11；Second tunnel goes out with from the first shut-off valve 3
The import for flowing into the second compressor 5 after the medium temperature and medium pressure gaseous refrigerant mixing of mouth through the second shut-off valve 4, in the second compressor 5
In be re-compressed, the gaseous refrigerant for becoming high temperature and pressure flows into the first import of the second condenser 10, in the second condenser
The liquid refrigerant of exothermic condensation in 10, medium temperature high pressure is divided into two-way, the first via from the outflow of the first outlet of the second condenser 10
The refrigerant air-liquid mixture for becoming to press in low temperature after third expansion valve 9 enters the first import of regenerator 8, in regenerator
Heat is absorbed in 8, the gaseous refrigerant of the medium temperature and medium pressure after heat absorption evaporation is flowed out from the first outlet of regenerator 8 through shut-off valve 3
With mixed from the medium temperature and medium pressure gaseous refrigerant that the first compressor 2 exports after return to the import of shut-off valve 4, the second road flows into back
Second import of hot device 8 in regenerator 8 releases heat and becomes the liquid refrigerant of cryogenic high pressure to go out from the second of regenerator 8
Mouthful outflow becomes the liquid refrigerant pressed in low temperature after the second expansion valve 7, and from the low of 11 first outlet of the first condenser
The refrigerant air-liquid mixture for becoming low-temp low-pressure after middle benefit gas pressure liquid refrigerant mixing through the first expansion valve 6, then flows into steaming
The import for sending out device 1, absorbs amount of heat in evaporator 1, and the low-temp low-pressure gaseous refrigerant after heat absorption evaporation is inhaled into first
The entrance of compressor 2 becomes the gaseous refrigerant of medium temperature and medium pressure after the compression of the first compressor 2.Cold water by public water supply pipe into
Enter, the 4th import of water tank 22 is flowed into through the 11st shut-off valve 26, flow control valve is passed through by the third outlet outflow of water tank 22
The second import for entering the first condenser 11 after 21 through water pump 12, warm water during primary heating becomes in the first condenser 11, then
The second import that the second condenser 10 is exited into from the second outlet of the first condenser 11, by again in the second condenser 10
Heating becomes the first import that high-temperature-hot-water flows into water tank 22 through the 6th shut-off valve 16, and high-temperature-hot-water is by the 4th outlet stream of water tank 22
Go out into 23 first import of the first water mixing valve with the cold water from 23 second import of the first water mixing valve after certain proportion mixes
Outflow supply user is exported by the first water mixing valve 23.When user turns off hot water, water tank 22 high temperature hot water demixing zone at this time
First temperature sensor 28 detects water tank high temperature batch area hot water temperature, and temperature signal is transmitted to control system 27, if should
Temperature be less than 22 high-temperature-hot-water demixing zone set temperature of water tank when, control system 27 output control signal make third shut-off valve 13,
4th shut-off valve 14, the 7th shut-off valve 17 are opened, and the 11st shut-off valve 26, flow control valve 21 are closed.High temperature in water tank 22
The hot water of hot water demixing zone is flowed out from first outlet through the 7th shut-off valve 17, the 4th shut-off valve 14, third shut-off valve 13, water pump 12
Into the second import of the first condenser 11, warm water during primary heating becomes in the first condenser 11, then from the first condenser
11 second outlet exits into the second import of the second condenser 10, is heated again in the second condenser 10 and becomes high temperature
Hot water returns to the first import of water tank 22 through the 6th shut-off valve 16.If 22 high temperature hot water demixing zone hot water temperature of water tank reaches
22 high-temperature-hot-water demixing zone set temperature of water tank, control system 27 output a control signal to each component, each component are made to be turned off.
Two-stage Compression step heats medium temperature hot water effluent's pattern：The pattern, user are used when required hot water temperature is normal
It is fetched water by the outlet of the second water mixing valve 24, the flow sensor at the second water mixing valve 24 detects hot water flow signal at this time,
Control system 27 is passed the signal along to, then control system 27 outputs a control signal to each component, makes the first shut-off valve 3, second
Shut-off valve 4, the 5th shut-off valve 15, the 8th shut-off valve 18, the 11st shut-off valve 26 are opened, and third shut-off valve the 13, the 4th ends
Valve 14, the 6th shut-off valve 16, the 7th shut-off valve 17, the 9th shut-off valve 19, the tenth shut-off valve 20 are turned off, the first compressor 2 with
Normal frequency is run, and the second compressor 5, water pump 12 are run, and control system 27 makes flow-rate adjustment to flow control valve 21 to be made
It obtains water flow at flow control valve 21 and is equal to hot water flow at the second water mixing valve 24.The gaseous refrigerant of medium temperature and medium pressure is pressed from first
The outlet outflow of contracting machine 2 is divided into two-way, and the first via enters the first import of the first condenser 11, the heat release in the first condenser 11
It condenses, the liquid refrigerant pressed in low temperature is flowed out from the first outlet of the first condenser 11；Second tunnel with come from the first shut-off valve 3
The import for flowing into the second compressor 5 after the medium temperature and medium pressure gaseous refrigerant mixing of outlet through the second shut-off valve 4, in the second compressor
It is re-compressed in 5, the gaseous refrigerant for becoming high temperature and pressure flows into the first import of the second condenser 10, in the second condenser
The liquid refrigerant of exothermic condensation in 10, medium temperature high pressure is divided into two-way, the first via from the outflow of the first outlet of the second condenser 10
The refrigerant air-liquid mixture for becoming to press in low temperature after third expansion valve 9 enters the first import of regenerator 8, in regenerator
Heat is absorbed in 8, the gaseous refrigerant of the medium temperature and medium pressure after heat absorption evaporation is flowed out from the first outlet of regenerator 8 through shut-off valve 3
With mixed from the medium temperature and medium pressure gaseous refrigerant that the first compressor 2 exports after return to the import of shut-off valve 4, the second road flows into back
Second import of hot device 8 in regenerator 8 releases heat and becomes the liquid refrigerant of cryogenic high pressure to go out from the second of regenerator 8
Mouthful outflow becomes the liquid refrigerant pressed in low temperature after the second expansion valve 7, and from the low of 11 first outlet of the first condenser
The refrigerant air-liquid mixture for becoming low-temp low-pressure after middle benefit gas pressure liquid refrigerant mixing through the first expansion valve 6, then flows into steaming
The import for sending out device 1, absorbs amount of heat in evaporator 1, and the low-temp low-pressure gaseous refrigerant after heat absorption evaporation is inhaled into first
The entrance of compressor 2 becomes the gaseous refrigerant of medium temperature and medium pressure after the compression of the first compressor 2.Cold water by public water supply pipe into
Enter, the 4th import of water tank 22 is flowed into through 11 shut-off valves 26, flow control valve 21 is passed through by the third outlet outflow of water tank 22
The second import for entering the first condenser 11 by water pump 12, the primary heating in the first condenser 11, then from the first condenser
11 second outlet exits into the second import of the second condenser 10, is heated again in the second condenser 10 and becomes medium temperature
Hot water flows into the second import of water tank 22 through the 5th shut-off valve 15 and the 8th shut-off valve 18, and middle warm water is exported by water tank 22 the 5th
24 first import of the second water mixing valve is exited into mix by certain proportion with the cold water from 24 second import of the second water mixing valve
Outflow supply user is exported by the second water mixing valve 24 afterwards.When user turns off hot water, warm water demixing zone in water tank 22 at this time
Second temperature sensor 29 detects warm water demixing zone hot water temperature in water tank, and temperature signal is transmitted to control system 27,
If the temperature is less than warm water demixing zone set temperature in water tank 22, the output control signal of control system 27 makes third shut-off valve
13, the 9th shut-off valve 19 is opened, and the 11st shut-off valve 26, flow control valve 21 are closed.The heat of warm water demixing zone in water tank 22
Water flows out the second import for entering the first condenser 11 through the 9th shut-off valve 19, third shut-off valve 13, water pump 12 from second outlet,
The primary heating in the first condenser 11, then exit into the second of the second condenser 10 from the second outlet of the first condenser 11
Import is heated again warm water in becoming in the second condenser 10 and is returned to through the 5th shut-off valve 15, the 8th shut-off valve 18
Second import of water tank 22.If warm water demixing zone hot water temperature reaches setting temperature in warm water demixing zone in water tank 22 in water tank 22
Degree, control system 27 output a control signal to each component, each component are made to be turned off.
Single stage compress heats low-temperature water heating water exit mode：The pattern, user is used to pass through when required hot water temperature is relatively low
The outlet of third water mixing valve 25 is fetched water, and the flow sensor at third water mixing valve 25 detects hot water flow signal at this time, will believe
Number it is transmitted to control system 27, then control system 27 outputs a control signal to each component, and the 4th shut-off valve the 14, the 5th is made to end
Valve 15, the tenth shut-off valve 20, the 11st shut-off valve 26 are opened, the first shut-off valve 3, the second shut-off valve 4, third shut-off valve 13,
6th shut-off valve 16, the 7th shut-off valve 17, the 8th shut-off valve 18, the 9th shut-off valve 19 are turned off, and the first compressor 2 is with normal frequency
Rate is run, and water pump 12 is run, and control system 27 makes flow-rate adjustment to flow control valve 21 and makes water at flow control valve 21
Flow is equal to hot water flow at third water mixing valve 25.The gaseous refrigerant of high temperature and pressure from the outlet of the first compressor 2 flow out into
The first import for entering the first condenser 11, the exothermic condensation in the first condenser 11, the liquid refrigerant of cryogenic high pressure is from first
The first outlet outflow of condenser 11 becomes the refrigerant air-liquid mixture of low-temp low-pressure through the first expansion valve 6, then flows into steaming
The import for sending out device 1, absorbs amount of heat in evaporator 1, and the low-temp low-pressure gaseous refrigerant after heat absorption evaporation is inhaled into first
The entrance of compressor 2 becomes the gaseous refrigerant of high temperature and pressure after the compression of the first compressor 2.Cold water by public water supply pipe into
Enter, the 4th import of water tank 22 is flowed into through 11 shut-off valves 26, flow control valve 21 is passed through by the third outlet outflow of water tank 22
The second import for entering the first condenser 11 by water pump 12, after being heated in the first condenser 11, then from the first condenser
11 second outlet outflow through the 5th shut-off valve 15, the 4th shut-off valve 14 and the tenth shut-off valve 20 inflow water tank 22 third into
Mouthful, low-temperature water heating exits into 25 first import of third water mixing valve by the outlet of water tank 22 the 6th and comes from third water mixing valve 25 second
The cold water of import exports outflow supply user after certain proportion mixes by third water mixing valve 25.When user does not use hot water
When, the third temperature sensor 30 of 22 low-temperature water heating demixing zone of water tank detects low-temperature water heating demixing zone hot water temperature in water tank at this time
Degree, control system 27 is transmitted to by temperature signal, if the temperature is less than 22 low-temperature water heating demixing zone set temperature of water tank, control
The output control signal of system 27 makes 21 standard-sized sheet of flow control valve, the 11st shut-off valve 26 close.Low-temperature water heating is layered in water tank 22
The hot water in area exports the second import flowed out and enter the first condenser 11 through flow control valve 21, water pump 12 from third, first
After being heated in condenser 11, then from the outflow of the second outlet of the first condenser 11 through the 5th shut-off valve 15, the 4th shut-off valve 14
The third import of water tank 22 is returned to the tenth shut-off valve 20.If low-temperature water heating demixing zone hot water temperature reaches water tank in water tank 22
22 low-temperature water heating demixing zone set temperatures, control system 27 output a control signal to each component, each component are made to be turned off.
Claims (5)
1. a kind of double compressing hot pump water heaters of step heating multi-model coupling layering water outlet, which is characterized in that the water heater
Including evaporator, the first compressor, the first shut-off valve, the second shut-off valve, the second compressor, the first expansion valve, the second expansion valve,
Regenerator, third expansion valve, the second condenser, the first condenser, water pump, third shut-off valve, the 4th shut-off valve, the 5th cut-off
Valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve, flow control valve, water tank,
One water mixing valve, the second water mixing valve, third water mixing valve and the 11st shut-off valve；
The import of first compressor is connected with the outlet of evaporator, the first compressor outlet respectively with the first shut-off valve
Outlet, the import of the second shut-off valve are connected with the first import of the first condenser；The import of evaporator goes out with the first expansion valve
Mouth is connected；The outlet of second shut-off valve is connected with the import of the second compressor；First import of regenerator and third expansion valve
Outlet is connected, and the second import of regenerator is connected with the first outlet of the second condenser, the first outlet of regenerator and first section
Only the import of valve is connected, and the second outlet of regenerator is connected with the import of the second expansion valve；Second import of the first condenser with
The outlet of water pump is connected, and the first outlet of the first condenser is connected with the import of the first expansion valve, the outlet of the second expansion valve, the
The second outlet of one condenser is connected with the second import of the second condenser；First import of the second condenser and the second compressor
Outlet be connected, the first outlet of the second condenser is connected with the second import of the import of third expansion valve and regenerator respectively,
The second outlet of second condenser is connected with the import of the 5th shut-off valve and the import of the 6th shut-off valve respectively；The import of water pump point
It is not connected with the outlet of third shut-off valve and the outlet of flow control valve；The import of third shut-off valve respectively with the tenth shut-off valve
Import, the outlet of the 4th shut-off valve are connected with the outlet of the 9th shut-off valve；The import of 4th shut-off valve respectively with the 8th shut-off valve
Import, the 5th shut-off valve outlet be connected with the outlet of the 7th shut-off valve；First import of water tank and going out for the 6th shut-off valve
Mouth is connected, and the second import of water tank is connected with the outlet of the 8th shut-off valve, the outlet of the third import and the tenth shut-off valve of water tank
It is connected, the 4th import of water tank is connected with the outlet of the 11st shut-off valve, the import of the first outlet of water tank and the 7th shut-off valve
It is connected, the second outlet of water tank is connected with the import of the 9th shut-off valve, the import phase of the third outlet and flow control valve of water tank
Even, the 4th outlet of water tank is connected with the first import of the first water mixing valve, the 5th outlet and the first of the second water mixing valve of water tank
Import is connected, and the 6th outlet of water tank is connected with the first import of third water mixing valve；Second import of the first water mixing valve and cold water
Import is connected, and the outlet of the first water mixing valve is the first hot water outlet；Second import of the second water mixing valve is connected with cooling water inlet, the
The outlet of two water mixing valves is the second hot water outlet；Second import of third water mixing valve is connected with cooling water inlet, third water mixing valve
Outlet is third hot water outlet.
2. double compressing hot pump water heaters of step heating multi-model coupling layering water outlet as described in claim 1, feature exist
In first water mixing valve, the second water mixing valve and third water mixing valve carry flow sensor.
3. double compressing hot pump water heaters of step heating multi-model coupling layering water outlet as described in claim 1, feature exist
In the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensor, the first temperature sensing
Device is located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at the middle part of warm water demixing zone in water tank, the
Three-temperature sensor is located at the middle part in water tank low-temperature stratification area.
4. double compressing hot pump water heaters of step heating multi-model coupling layering water outlet as claimed in claim 2, feature exist
In the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensor, the first temperature sensing
Device is located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at the middle part of warm water demixing zone in water tank, the
Three-temperature sensor is located at the middle part in water tank low-temperature stratification area.
5. double compressing hot pump water heaters of step heating multi-model coupling layering water outlet as claimed in claim 4, feature exist
In, the water heater further includes control system, first water mixing valve, the second water mixing valve and third water mixing valve flow sensing
Device, the first temperature sensor, second temperature sensor and third temperature sensor are connect with the control system, the control
System respectively with the first shut-off valve, the second shut-off valve, the first expansion valve, the second expansion valve, third expansion valve, third shut-off valve,
4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve,
11st shut-off valve, flow control valve, the first compressor, the second compressor are connected with the controlled end of water pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319979.7A CN108344177A (en) | 2018-04-11 | 2018-04-11 | Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet |
| CN201910282710.0A CN109812974B (en) | 2018-04-11 | 2019-04-10 | Step heating multi-mode coupling heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319979.7A CN108344177A (en) | 2018-04-11 | 2018-04-11 | Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108344177A true CN108344177A (en) | 2018-07-31 |
Family
ID=62958013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810319979.7A Withdrawn CN108344177A (en) | 2018-04-11 | 2018-04-11 | Step heats double compressing hot pump water heaters of multi-model coupling layering water outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686308A (en) * | 2019-10-25 | 2020-01-14 | 东北电力大学 | Solar energy and air source heat pump heat energy graded utilization system |
| EP4004454A4 (en) * | 2019-07-31 | 2023-08-16 | Rheem Manufacturing Company | Heated water availability control |
-
2018
- 2018-04-11 CN CN201810319979.7A patent/CN108344177A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4004454A4 (en) * | 2019-07-31 | 2023-08-16 | Rheem Manufacturing Company | Heated water availability control |
| CN110686308A (en) * | 2019-10-25 | 2020-01-14 | 东北电力大学 | Solar energy and air source heat pump heat energy graded utilization system |
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Application publication date: 20180731 |