CN105423466B - Heat pump air conditioning system and its control method - Google Patents
Heat pump air conditioning system and its control method Download PDFInfo
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- CN105423466B CN105423466B CN201510791442.7A CN201510791442A CN105423466B CN 105423466 B CN105423466 B CN 105423466B CN 201510791442 A CN201510791442 A CN 201510791442A CN 105423466 B CN105423466 B CN 105423466B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
- F24F2203/021—Compression cycle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
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- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of heat pump air conditioning system and its control methods, wherein heat pump air conditioning system includes water pump, refrigeration system and water supply conduit；Refrigeration system includes cold-storage material, the first heat exchanger tube and the cold-storage pump of storage tank and its inside, and the first heat exchanger tube connects water pump and water supply conduit, and the first heat exchanger tube pass through storage tank and with cold-storage material heat exchange；The circulation loop that indirectly forms of indoor evaporator and storage tank, cold-storage pump is arranged on circulation loop, for driving cold-storage material to be circulated between storage tank and indoor evaporator；Heat pump air conditioning system provided by the invention, the abundant actual conditions of Rural Areas of China underground water source are fully considered, and comprehensively utilize the characteristics of underground water temperature variation lags behind ground air temperature change, make cold-storage material that the cold of underground water is transferred to indoor environment to freeze, drive the amount of work of whole system operation small in the program, this greatly reduces the power consumption of product, its use cost has been saved.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of heat pump air conditioning system and the heat pump air conditioning system
Control method.
Background technology
With the improvement of living standards, people also more pay close attention to room environment comfort, to make the demand of air-conditioning
Increase year by year, Rural Areas of China especially relatively low in air-conditioning occupation rate, the upgrading of residents consumption pattern make its at
For most potential air-conditioning class product consumption market；But since traditional compressed air conditioner generally existing power consumption is big, efficiency
The problems such as low, this makes the energy social status quo that supply falls short of demand become the maximum resistance that traditional air conditioner product carries out marketing,
One kind how is designed as a result, to be suitable for promoting in Rural Areas of China, and the air-conditioning products that power consumption is small, efficiency is high, become mesh
Preceding air conditioner industry urgent problem to be solved.
Invention content
At least one to solve above-mentioned technical problem, it is an object of the present invention to provide one kind to be suitable in Chinese countryside
Area is promoted, and the heat pump air conditioning system that power consumption is small, efficiency is high.
It is another object of the present invention to provide a kind of control methods of heat pump air conditioning system, for controlling above-mentioned heat pump
Air-conditioning system.
To achieve the above object, the embodiment of first aspect present invention provides a kind of heat pump air conditioning system, including water pump,
Refrigeration system and water supply conduit；The water pump includes pump intake and pumping outlet, and the pump intake is connected to underground water source；The system
Cooling system includes：Cold-storage material in storage tank and the storage tank；First heat exchanger tube, the nozzle at first heat exchanger tube both ends respectively with
The pumping outlet is connected to the water supply conduit, and it is described first heat exchange tube portion be located in the storage tank, and with the cold-storage
Agent heat exchange；Indoor evaporator, is connected with inlet tube and outlet tube, and the inlet and liquid outlet of the indoor evaporator connect respectively
Liquid pipe and outlet tube are tapped into, and the inlet tube and the outlet tube are connected to the storage tank respectively；Cold-storage pumps, and is arranged described
On inlet tube or the outlet tube, for driving the cold-storage material to be circulated between the storage tank and the indoor evaporator.
The heat pump air conditioning system that the embodiment of first aspect present invention provides in refrigeration system, utilizes the storage in storage tank
Cryogen absorbs the cold of underground water source, and pumps driving cold-storage material by cold-storage and circulated between storage tank and indoor evaporator, makes
Its cold carried is discharged into through indoor evaporator in indoor environment, to realize to indoor refrigeration purpose；Wherein, this programme integrates
It is less than ground air temperature using summer underground water temperature, and cold-storage material has the characteristics of stronger cold absorption ability to ensure
Meet to indoor refrigeration demand, in addition, the cold of underground water is mainly transferred in indoor environment by the work of cold-storage material, phase
Drive the amount of work of whole system operation small for traditional compressed air conditioner, in this programme, this greatly reduces productions
The power consumption of product has saved its use cost；In addition, the underground water in this programme into water supply conduit can directly supply resident's
Domestic water, this makes the driving structure part to underground water in product, i.e., sequentially connected water pump, the first heat exchanger tube and send water
Pipeline portions can be transformed by the existing domestic water pipeline in rural area and be formed, and This further reduces the costs of product.
In addition, the heat pump air conditioning system in above-described embodiment provided by the invention can also have following supplementary technology special
Sign：
In above-mentioned technical proposal, it is provided with the first valve on first heat exchanger tube, for controlling first heat exchanger tube
Break-make；The heat pump air conditioning system further includes heating system, in parallel with the refrigeration system, and the heating system includes：
Compressor, indoor condenser, restricting element and the heat exchanger for being sequentially connected in series and being formed into a loop, and refrigerant flows in the circuit
It is dynamic；The nozzle of second heat exchanger tube, second heat exchanger tube both ends is connected to the pumping outlet and the water supply conduit respectively, described
The heat exchanger is accessed at the middle part of second heat exchanger tube, and in the heat exchanger with the refrigerant heat exchange；Second valve, setting
On second heat exchanger tube, the break-make for controlling second heat exchanger tube.
In the heating system of this programme, underground water is made fully to exchange heat with refrigerant in heat exchanger, here with winter
Lower coolant-temperature gage be above the ground level air themperature the characteristics of, the opposite efficiency of heating surface improved to refrigerant can ensure that with this from throttling member
The refrigerant of part outflow obtains in heat exchanger fully heating returns liquid, and also relative reduction system operation to avoid compressor
In amount of work, to reduce product energy consumption；In addition, since underground water temperature variation lags behind ground air temperature change, this
Weaken environmental factor to a certain extent influences caused by running efficiency of system, improves the quality of product；In addition, our
The domestic water of resident can be directly supplied in case into the underground water of water supply conduit, this makes the driving structure of underground water in product
Part, i.e., sequentially connected water pump, the second heat exchanger tube and water supply conduit part can be transformed by the existing domestic water pipeline in rural area
It is formed, This further reduces the costs of product.
In any of the above-described technical solution, the inlet tube is located at the downside of the outlet tube, and cold-storage pump setting exists
On the inlet tube.
Indoor evaporator is flowed into along inlet tube from storage tank for cold-storage material, and storage is flowed back into from indoor evaporator along outlet tube
The process of tank is located at the downside of outlet tube by the way that inlet tube is arranged, i.e. the horizontal position of inlet tube is less than the horizontal position of outlet tube
It sets, drives cold-storage material to flow out storage tank from inlet tube automatically using the static energy of cold-storage material in storage tank with this, and reduce cold-storage material
The flow resistance that this process of storage tank is flowed back into from outlet tube is reduced the live load of cold-storage pump with this, further decreases product
Power consumption, and extend cold-storage pump service life.
In any of the above-described technical solution, the storage tank includes adiabatic shell；The cold-storage material is phase change cold accumulating agent, and described
Cold-storage material includes carbon dioxide and the hydrate of tetrabutylammonium bromide.
Ensure the refrigeration of product by the way that adiabatic shell is arranged on storage tank to reduce the loss of refrigeration capacity of cold-storage material in storage tank
Efficiency；And cold-storage material select phase change cold accumulating agent, with undergone phase transition during absorption or released cold quantity by cold-storage material come into
The heat load that one step improves cold-storage material can make storage tank towards lightweight then under conditions of product thermic load is certain by the design
Direction is developed, and This further reduces the processing of product and transportation cost, consequently facilitating improving the occupation rate of market of product.
In any of the above-described technical solution, the heat pump air conditioning system further includes server, and the server includes：Detection
Module, for detecting indoor environment temperature；Control module is connect with the detection module, for receiving the environment temperature,
And the operating mode of the heat pump air conditioning system is selected according to the environment temperature, and according to the operating mode control of selection
Make the break-make of first valve and second valve, and the start and stop of the control cold-storage pump.
Specifically, server internal stores preset temperature section numerical value, and to be in this pre- for corresponding indoor environment temperature
If human body feels comfortable when in temperature range, in addition, detecting the work that indoor environment temperature judges product by detection module
Pattern, that is, the environment temperature detected are higher than or when at or below preset temperature sections, are corresponding in turn to product operation refrigeration mode
Or do not work or heating mode, the design make the operation of product more intelligent, to improve the usage comfort of product.
Specifically, in product when not working, heating system and refrigeration system are stopped transport, at this point, the first valve and
Two valves are turned off, and cold-storage pump is stopped；Certainly, when needing to connect domestic water pipeline under the not operating mode of product,
The manually controllable starting mode of pump of user, the first valve and/or the second valve are opened, and underground water is drawn.
Under the refrigeration mode of product, the first valve of control module automatic switching on, starts cold-storage pump at the second valve of cut-out,
So that indoor temperature declines, in addition, specifically, it can be by adjusting the running parameter of storage pump further to adjust indoor environment
Temperature；Under the heating mode of product, the second valve of control module automatic switching on the first valve of cut-out, is closed cold-storage pump, and is made
Hot systems are run so that indoor temperature rising, in addition, heating system operation specifically includes startup compressor, and can pass through to adjust and press
The running parameter of contracting machine is further to adjust indoor environment temperature.
In any of the above-described technical solution, under refrigeration work pattern, the detection module is additionally operable to detect the indoor steaming
Send out the middle portion temperature of device；The control module receives the middle portion temperature and the environment temperature, and according to the middle portion temperature
With the environment temperature, the running parameter of the cold-storage pump is adjusted.
It is worth noting that, the middle portion temperature is detected by the temperature sensor being fixed on inside indoor evaporator herein
Tube temperature.
Under the refrigeration mode of product, this programme judges the thermic load of product using middle portion temperature and environment temperature, and makes
The running parameter that control module is pumped according to load of heat dynamic regulation cold-storage can be such that indoor environment temperature quickly reaches with this
Human body preference temperature, and control indoor environment temperature dynamic and be maintained at the human body preference temperature, to improve the use of product
Comfort level.
Specifically, for example by the middle portion temperature and the environment temperature difference can reactor product load of heat, i.e.,
When the difference of middle portion temperature and environment temperature is excessive, the thermic load of product is larger, at this time by improving the work of cold-storage pump frequently
Rate can be such that environment temperature declines rapidly；And when the difference of middle portion temperature and environment temperature narrows down to certain level, control cold-storage
Pump is maintained at smaller pump output and/or lower working frequency, and the energy consumption of product is reduced with this.
The embodiment of second aspect of the present invention provides a kind of control method of heat pump air conditioning system, for controlling the present invention
The heat pump air conditioning system that the embodiment of first aspect provides, the control method of the heat pump air conditioning system include：The heat pump air conditioner
When system executes refrigeration work pattern, the middle part of indoor environment temperature and the indoor evaporator of the heat pump air conditioning system is detected
Temperature；According to the environment temperature of detection and the middle portion temperature, the work of the cold-storage pump of the heat pump air conditioning system is adjusted
Parameter.
It is worth noting that, the middle portion temperature is detected by the temperature sensor being fixed on inside indoor evaporator herein
Tube temperature.
The control method for the heat pump air conditioning system that the embodiment of second aspect of the present invention provides, utilizes middle portion temperature and environment
Temperature judges the thermic load of product, and the running parameter for making control module be pumped according to load of heat dynamic control cold-storage, with this
Indoor environment temperature can be made quickly to reach human body preference temperature, and its dynamic is made to be maintained at the human body preference temperature, to carry
The usage comfort of high product.
It is described that the cold-storage pump is adjusted according to the environment temperature of detection and the middle portion temperature in above-mentioned technical proposal
Running parameter, including：Calculate the difference of the environment temperature and the middle portion temperature；The cold-storage is adjusted according to the difference
The operational taps of pump.
In this scenario, by the difference of middle portion temperature and environment temperature can directly reactor product load of heat, that is, exist
When the difference of middle portion temperature and environment temperature is excessive, it is known that the thermic load of product is larger, at this time by improving cold-storage pump operation shelves
Position is so that environment temperature declines rapidly；And when the difference of middle portion temperature and environment temperature narrows down to certain level, it is known that product
Thermic load it is smaller, at this time by turn down cold-storage pump operational taps so that indoor environment temperature dynamic be maintained at suitable temperature
Degree, and reduce the energy consumption of product.
In above-mentioned technical proposal, the operational taps that the cold-storage pump is adjusted according to the difference, including：By the difference
Value is multiplied by predetermined coefficient and obtains evaluation work frequency；Judge the predeterminated frequency section where the evaluation work frequency, and obtains
Preset gear corresponding with the predeterminated frequency section；The cold-storage pump is adjusted to run under the preset gear of acquisition.
In this design, multiple predeterminated frequency sections are provided with, each predeterminated frequency section corresponds to a preset gear, and
When cold-storage pump is run with a preset gear, working frequency is in predeterminated frequency corresponding with preset gear section, specially
The average frequency value of a certain frequency values or the predeterminated frequency section in the predeterminated frequency section；The fortune that setting cold-storage pumps herein
Row gear is corresponding with the working frequency that cold-storage pumps, i.e., reduces middle portion temperature and ring by adjusting the working frequency of cold-storage pump to realize
The purpose of border temperature-difference；And herein it is worth noting that, due on the time shaft that product is run, the curved change of the temperature difference
Change, then evaluation work frequency is also with the curved variation of the temperature difference, and this programme in server internal by prestoring the more of distribution gradient
A predeterminated frequency section, so that the operational taps of cold-storage pump change in gradient with the change of the temperature difference, this states control mesh in realization
On the basis of, the adjusting frequency pumped to cold-storage is significantly reduced, to the opposite service life for extending cold-storage pump.
In any of the above-described technical solution, the control method of the heat pump air conditioning system further includes：Detect the environment temperature；
The operating mode of the heat pump air conditioning system is selected according to the environment temperature of detection；According to the operating mode control of selection
Make the break-make of the first valve and the second valve of the heat pump air conditioning system, and the start and stop of the control cold-storage pump.
In above-mentioned technical proposal, the operating mode according to selection controls the first valve of the heat pump air conditioning system
The break-make of door and the second valve, and the start and stop of the cold-storage pump are controlled, including：Judge the environment temperature of detection and presets
The magnitude relationship of temperature range；If the environment temperature is more than the upper limit value in the preset temperature section, it is connected to first valve
Door starts the cold-storage pump, cuts off second valve, the heat pump air conditioning system is made to execute refrigeration work pattern；If described
Environment temperature is less than the lower limiting value in the preset temperature section, is connected to second valve, closes the cold-storage and pumps, described in cut-out
First valve makes the heat pump air conditioning system execute heating operating mode.
Specifically, which corresponds to the suitable temperature range of human body, in addition, being detected by detection module indoor
Environment temperature judge the operating mode of product, that is, the environment temperature detected is higher than or when at or below preset temperature section,
It is corresponding in turn to product operation refrigeration mode or does not work or heating mode, realized with this and can ensure that room under any environment temperature
Interior amenity, this makes the operation of product more intelligent.
Certainly, when needing to connect domestic water pipeline under the not operating mode of product, user can manually boot water pump, connection
First valve and/or the second valve, underground water is drawn.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram of heat pump air conditioning system described in one embodiment of the invention；
Fig. 2 is the flow diagram of the control method of heat pump air conditioning system described in one embodiment of the invention.
Wherein, the reference numeral in Fig. 1 and the correspondence between component names are：
100 heat pump air conditioning systems, 10 water pumps, 21 storage tanks, 211 cold-storage materials, 22 first heat exchanger tubes, 23 first valves, Room 24
Interior evaporator, 241 inlet tubes, 242 outlet tubes, 25 cold-storages pump, 30 water supply conduits, 41 compressors, condenser in Room 42,43 throttlings
Element, 44 heat exchangers, 45 second heat exchanger tubes, 46 second valves, 50 underground water sources.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The heat pump air conditioning system described according to some embodiments of the invention is described referring to Fig. 1.
As shown in Figure 1, the heat pump air conditioning system 100 that the embodiment of first aspect present invention provides, including water pump 10, refrigeration
System and water supply conduit 30.
Specifically, water pump 10 includes pump intake and pumping outlet, and pump intake is connected to underground water source 50；
Refrigeration system includes：Cold-storage material 211, the first heat exchanger tube 22, indoor evaporator 24 in storage tank 21, storage tank 21 and storage
Cold pump 25, wherein the nozzle at 22 both ends of the first heat exchanger tube is connected to pumping outlet and water supply conduit 30 respectively, and the first heat exchanger tube 22
Part be located at storage tank 21 in, and with 211 heat exchange of cold-storage material；Indoor evaporator 24 is connected with inlet tube 241 and outlet tube 242,
The inlet and liquid outlet of indoor evaporator 24 are connected separately with inlet tube 241 and outlet tube 242, and inlet tube 241 and go out liquid
Pipe 242 is connected to storage tank 21 respectively；Cold-storage pump 25 is arranged on inlet tube 241 or outlet tube 242, for driving cold-storage material 211
It is circulated between storage tank 21 and indoor evaporator 24.
The heat pump air conditioning system 100 that the embodiment of first aspect present invention provides, in refrigeration system, using in storage tank 21
Cold-storage material 211 absorb the cold of underground water source 50, and by 25 driving cold-storage materials 211 of cold-storage pump in storage tank 21 and indoor evaporation
It is circulated between device 24, the cold that it is carried is made to be discharged into indoor environment through indoor evaporator 24, to realize to indoor refrigeration
Purpose；Wherein, this programme comprehensive utilization summer underground water temperature be less than ground air temperature, and cold-storage material 211 have it is stronger
The characteristics of cold absorption ability, ensures to meet to indoor refrigeration demand, in addition, the work of cold-storage material 211 is mainly by underground
The cold of water is transferred in indoor environment, and whole system operation is driven for traditional compressed air conditioner, in this programme
Amount of work it is small, this greatly reduces the power consumption of product, saved its use cost；Water is sent in addition, entering in this programme
The underground water of pipeline 30 can directly supply the domestic water of resident, this makes the driving structure part to underground water in product, i.e.,
30 part of sequentially connected water pump 10, the first heat exchanger tube 22 and water supply conduit can be transformed by the existing domestic water pipeline in rural area
It is formed, This further reduces the costs of product.
Further, as shown in Figure 1, being provided with the first valve 23 on the first heat exchanger tube 22, for controlling the first heat exchanger tube
22 break-make；Heat pump air conditioning system 100 further includes heating system, in parallel with refrigeration system, and heating system includes：It is sequentially connected in series
And compressor 41, indoor condenser 42, restricting element 43 and the heat exchanger 44 being formed into a loop, and refrigerant flows in the loop；The
Two heat exchanger tubes 45 and the second valve 46, wherein the nozzle at 45 both ends of the second heat exchanger tube connects with pumping outlet and water supply conduit 30 respectively
Logical, heat exchanger 44 is accessed at the middle part of the second heat exchanger tube 45, and in heat exchanger 44 with refrigerant heat exchange；The setting of second valve 46 exists
On second heat exchanger tube 45, the break-make for controlling the second heat exchanger tube 45.
In the heating system of this programme, underground water is made fully to exchange heat with refrigerant in heat exchanger 44, here with winter
Underground water temperature be above the ground level air themperature the characteristics of, the opposite efficiency of heating surface improved to refrigerant can ensure that with this from throttling
The refrigerant that element 43 flows out obtains fully heating in heat exchanger 44 returns liquid to avoid compressor 41, and also relative reduction system
Amount of work in operational process, to reduce product energy consumption；In addition, since underground water temperature variation lags behind ground air temperature
Variation, this weakens environmental factor to a certain extent influences caused by running efficiency of system, improves the quality of product；This
Outside, the domestic water of resident can be directly supplied in this programme into the underground water of water supply conduit 30, this makes underground water in product
Driving structure part, i.e., sequentially connected water pump 10,30 part of the second heat exchanger tube 45 and water supply conduit can be existing by rural area
Domestic water pipeline is transformed to be formed, and This further reduces the costs of product.
In one embodiment of the invention, as illustrated in fig. 1, it is preferred that inlet tube 241 is located at the downside of outlet tube 242,
And cold-storage pump 25 is arranged on inlet tube 241.
In this embodiment, indoor evaporator 24 is flowed into along inlet tube 241 from storage tank 21 for cold-storage material 211, and from room
Interior evaporator 24 flows back into the process of storage tank 21 along outlet tube 242, and the downside of outlet tube 242 is located at by the way that inlet tube 241 is arranged,
I.e. the horizontal position of inlet tube 241 be less than outlet tube 242 horizontal position, with this using in storage tank 21 cold-storage material 211 it is quiet
Pressure energy drives cold-storage material 211 to flow out storage tank 21 from inlet tube 241 automatically, and reduces cold-storage material 211 and flow back into storage from outlet tube 242
The flow resistance of 21 this process of tank is reduced the live load of cold-storage pump 25 with this, further decreases the power consumption of product, and prolong
The service life of long cold-storage pump 25.
In one particular embodiment of the present invention, it is preferable that storage tank 21 includes adiabatic shell (not shown), is passed through
The structure can reduce the loss of refrigeration capacity of cold-storage material 211 in storage tank 21, to ensure the refrigerating efficiency of product；Additionally, it is preferred that cold-storage material
211 be phase change cold accumulating agent 211.
In this embodiment, cold-storage material 211 select phase change cold accumulating agent 211, with by cold-storage material 211 absorb or discharge it is cold
It is undergone phase transition during amount to further increase the heat load of cold-storage material 211, then under conditions of product thermic load is certain, led to
Crossing the design can be such that storage tank 21 develops towards lightweight direction, and This further reduces the processing of product and transportation cost, to just
In the occupation rate of market for improving product.
In a kind of realization rate of said program, cold-storage material 211 can be selected specifically including carbon dioxide and tetrabutyl bromine
Change the cold-storage material of the hydrate of ammonium, and preferably, a concentration of the 35% of tetrabutylammonium bromide.
Certainly, there is multiple choices scheme for the cold-storage material of heat transfer can be achieved, such as non-phase transformation also can be selected and store
Cryogen herein no longer itemizes the type of cold-storage material, but should all be in the protection domain of this programme；In addition, for difference
Cold-storage material its heat-insulating property of storage tank is required also different, the scheme and cold-storage material that storage tank includes adiabatic shell can be designed herein
A variety of design schemes be combined with each other, certainly, can not also be arranged on the storage tank thermal insulation shell.
In one particular embodiment of the present invention, heat pump air conditioning system 100 further includes server (not shown), and
Server includes：Detection module and control module.
Specifically, detection module is for detecting indoor environment temperature；Control module is connect with detection module, for receiving
Environment temperature, and according to the operating mode of environment temperature selection heat pump air conditioning system 100, and the operating mode control according to selection
Make the break-make of the first valve 23 and the second valve 46, and the start and stop of control cold-storage pump 25.
In the embodiment, server internal stores preset temperature section numerical value, and corresponding indoor environment temperature is in
Human body feels comfortable when in the preset temperature section, in addition, detecting indoor environment temperature by detection module judges product
Operating mode, that is, the environment temperature detected are higher than or when at or below preset temperature sections, are corresponding in turn to product operation refrigeration
Pattern does not work or heating mode, the design make the operation of product more intelligent, and the use to improve product is relaxed
Appropriateness.
Specifically, in product when not working, heating system and refrigeration system are stopped transport, at this point, 23 He of the first valve
Second valve 46 is turned off, and cold-storage pump 25 is stopped；Certainly, it needs to connect water service pipe under the not operating mode of product
Lu Shi, the manually controllable water pump 10 of user starts, the first valve 23 and/or the second valve 46 are opened, and underground water is drawn.
Under the refrigeration mode of product, the first valve of control module automatic switching on 23, starts cold-storage at the second valve 46 of cut-out
Pump 25, so that indoor temperature declines, in addition, specifically, it can be by adjusting the running parameter of storage pump in further regulation room
Environment temperature；Under the heating mode of product, the second valve of control module automatic switching on 46, is closed at the first valve 23 of cut-out
Cold-storage pump 25, and heating system is run so that indoor temperature rises, in addition, heating system operation specifically includes startup compressor
41, and can be by adjusting the running parameter of compressor 41 further to adjust indoor environment temperature.
In above-mentioned specific embodiment, further, under refrigeration work pattern, detection module is additionally operable to detect indoor evaporation
The middle portion temperature of device 24；Control module receives middle portion temperature and environment temperature, and according to middle portion temperature and environment temperature, adjusts and store
The running parameter of cold pump 25.
It is worth noting that, the middle portion temperature is examined by the temperature sensor being fixed on inside indoor evaporator 24 herein
The tube temperature of survey.
In this embodiment, under the refrigeration mode of product, judge that the heat of product is negative using middle portion temperature and environment temperature
Lotus, and make control module that can make indoor environment temperature according to the running parameter of load of heat dynamic regulation cold-storage pump 25 with this
Degree quickly reaches human body preference temperature, and controls indoor environment temperature dynamic and be maintained at the human body preference temperature, to improve
The usage comfort of product.
Specifically, for example by the middle portion temperature and the environment temperature difference can reactor product load of heat, i.e.,
When the difference of middle portion temperature and environment temperature is excessive, the thermic load of product is larger, the work for pumping 25 by improving cold-storage at this time
Frequency can be such that environment temperature declines rapidly；And when the difference of middle portion temperature and environment temperature narrows down to certain level, control stores
Cold pump 25 is maintained at smaller pump output and/or lower working frequency, and the energy consumption of product is reduced with this.
As shown in Fig. 2, in provide one of control method of heat pump air conditioning system of embodiment of second aspect of the present invention
Specific embodiment includes the following steps：
Step 100, detection module detects indoor environment temperature t2；
Step 200, control module judges whether t2 falls into preset temperature section [t1, t3], and specifically judge t2 with [t1,
T3] magnitude relationship；If t2 < t1, enter step 320；If t2 > t1, enter step 340；
In step 320, control module selection enters refrigeration work pattern, and specifically includes following steps：
Step 322, control module is connected to the first valve, the second valve of cut-out, starts cold-storage pump, and makes heat pump air conditioning system
Execute refrigeration work pattern；
In refrigeration work pattern, following steps are specifically executed：
Step 324, the middle portion temperature t4 and environment temperature t2 of detection module detection indoor evaporator；
Step 326, the difference C of t2 and t4 is calculated in control module；
C is multiplied by predetermined coefficient a and obtains evaluation work frequency P2 by control module；
Control module judges the predeterminated frequency section [P1, P3] where P2；
Control module obtains and [P1, P3] corresponding preset gear A2；
Step 328, control module control cold-storage pump is run at A2, wherein running frequency of the cold-storage pump at A2 be
A certain frequency values in [P1, P3], or the average frequency value for [P1, P3].
In step 340, control module enters heating mode, and specifically includes following steps：
Step 342, it is connected to the second valve, the first valve of cut-out, closes cold-storage pump；
Step 344, heating system is run, specifically, including starts compressor, further, according to environment temperature t2
To compressor frequency modulation.
The control method for the heat pump air conditioning system that the embodiment of second aspect of the present invention provides, utilizes middle portion temperature and environment
Temperature judges the thermic load of product, and the running parameter for making control module be pumped according to load of heat dynamic control cold-storage, with this
Indoor environment temperature can be made quickly to reach human body preference temperature, and its dynamic is made to be maintained at the human body preference temperature, to carry
The usage comfort of high product.
In conclusion for existing compressed air conditioner, heat pump air conditioning system provided by the invention fully considers
Rural Areas of China underground water source abundant actual conditions, and lag behind ground air temperature using underground water temperature variation and become
The characteristics of change, i.e. summer underground water temperature are less than ground air temperature, and winter underground water temperature is higher than bottom surface air themperature, with ground
Lower water reduces the system amount of work in heat transfer process as heat exchange source, to significantly reduce the power consumption of product, saves
Its use cost, and in the energy-saving and emission-reduction for truly realizing product, it is suitable for the marketing of product；And the present invention provides
Heat pump air conditioning system control method, the heat of product is judged using the middle portion temperature and indoor environment temperature of indoor evaporator
Load, and the running parameter pumped according to load of heat dynamic control cold-storage, can be such that indoor environment temperature quickly reaches with this
Human body preference temperature, and its dynamic is made to be maintained at the human body preference temperature, to improve the usage comfort of product.
In the present invention, term " first ", " second " are only used for the purpose described, are not understood to indicate or imply phase
To importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ", " connected ",
The terms such as " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, can also be detachably to connect
It connects, or is integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of heat pump air conditioning system, which is characterized in that including water pump, refrigeration system and water supply conduit；
The water pump includes pump intake and pumping outlet, and the pump intake is connected to underground water source；
The refrigeration system includes：
Cold-storage material in storage tank and the storage tank；
The nozzle of first heat exchanger tube, first heat exchanger tube both ends is connected to the pumping outlet and the water supply conduit respectively, and
It is described first heat exchange tube portion be located in the storage tank, and with the cold-storage material heat exchange；
Indoor evaporator, the inlet and liquid outlet of the indoor evaporator are separately connected inlet tube and outlet tube, and it is described into
Liquid pipe and the outlet tube are connected to the storage tank respectively；
Cold-storage pumps, and is arranged on the inlet tube or the outlet tube, for driving the cold-storage material in the storage tank and described
It is circulated between indoor evaporator；
It is provided with the first valve on first heat exchanger tube, the break-make for controlling first heat exchanger tube；
The heat pump air conditioning system further includes heating system, in parallel with the refrigeration system, and the heating system includes：
Compressor, indoor condenser, restricting element and the heat exchanger for being sequentially connected in series and being formed into a loop, and refrigerant is in the circuit
Flowing；
The nozzle of second heat exchanger tube, second heat exchanger tube both ends is connected to the pumping outlet and the water supply conduit respectively, institute
The heat exchanger is accessed at the middle part for stating the second heat exchanger tube, and in the heat exchanger with the refrigerant heat exchange；
Second valve is arranged on second heat exchanger tube, the break-make for controlling second heat exchanger tube；
The heat pump air conditioning system further includes server, and the server includes：
Detection module, for detecting indoor environment temperature；
Control module is connect with the detection module, and institute is selected for receiving the environment temperature, and according to the environment temperature
The operating mode of heat pump air conditioning system is stated, and first valve and described second are controlled according to the operating mode of selection
The break-make of valve, and control the start and stop of the cold-storage pump.
2. heat pump air conditioning system according to claim 1, which is characterized in that
The inlet tube is located at the downside of the outlet tube, and cold-storage pump is arranged on the inlet tube.
3. heat pump air conditioning system according to claim 1, which is characterized in that
The storage tank includes adiabatic shell；
The cold-storage material is phase change cold accumulating agent, and the cold-storage material includes carbon dioxide and the hydrate of tetrabutylammonium bromide.
4. heat pump air conditioning system according to claim 1, which is characterized in that
Under refrigeration work pattern, the detection module is additionally operable to detect the middle portion temperature of the indoor evaporator；
The control module receives the middle portion temperature and the environment temperature, and according to the middle portion temperature and the environment temperature
Degree adjusts the running parameter of the cold-storage pump.
5. a kind of control method of heat pump air conditioning system, which is characterized in that for controlling such as any one of claims 1 to 4 institute
The heat pump air conditioning system stated, including：
When the heat pump air conditioning system executes refrigeration work pattern, indoor environment temperature and the heat pump air conditioning system are detected
The middle portion temperature of indoor evaporator；
According to the environment temperature of detection and the middle portion temperature, the work ginseng of the cold-storage pump of the heat pump air conditioning system is adjusted
Number；
Detect the environment temperature；
The operating mode of the heat pump air conditioning system is selected according to the environment temperature of detection；
The break-make of the first valve and the second valve of the heat pump air conditioning system is controlled according to the operating mode of selection, and
Control the start and stop of the cold-storage pump.
6. the control method of heat pump air conditioning system according to claim 5, which is characterized in that described according to described in detection
Environment temperature and the middle portion temperature adjust the running parameter of the cold-storage pump, including：
Calculate the difference of the environment temperature and the middle portion temperature；
The operational taps of the cold-storage pump are adjusted according to the difference.
7. the control method of heat pump air conditioning system according to claim 6, which is characterized in that described according to the difference tune
The operational taps of the cold-storage pump are saved, including：
The difference is multiplied by predetermined coefficient and obtains evaluation work frequency；
Judge the predeterminated frequency section where the evaluation work frequency, and obtains corresponding with the predeterminated frequency section default
Gear；
The cold-storage pump is adjusted to run under the preset gear of acquisition.
8. the control method of heat pump air conditioning system according to claim 5, which is characterized in that described according to described in selection
Operating mode controls the break-make of the first valve and the second valve of the heat pump air conditioning system, and controls opening for the cold-storage pump
Stop, including：
Judge the magnitude relationship of the environment temperature and preset temperature section of detection；
If the environment temperature is more than the upper limit value in the preset temperature section, it is connected to first valve, starts the cold-storage
Pump cuts off second valve, and the heat pump air conditioning system is made to execute refrigeration work pattern；
If the environment temperature is less than the lower limiting value in the preset temperature section, it is connected to second valve, closes the cold-storage
Pump cuts off first valve, and the heat pump air conditioning system is made to execute heating operating mode.
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| CN106969487B (en) * | 2017-04-26 | 2022-08-19 | 青岛海尔空调器有限总公司 | Air conditioner condensate water recycling device and control method thereof |
| CN108050582B (en) * | 2017-12-28 | 2020-06-05 | 广东美的暖通设备有限公司 | Heat pump system and heat pump control method |
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| CN102620372A (en) * | 2012-04-26 | 2012-08-01 | 余庄 | Ultraslow energy consumption system for directly adjusting indoor environment by using ground source |
| CN202494188U (en) * | 2012-03-21 | 2012-10-17 | 淄博一村空调有限公司 | Double-medium circulating cold and warm humidifying air conditioner |
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| CN1120339C (en) * | 2000-08-18 | 2003-09-03 | 徐生恒 | Geothermal liquid cold and hot source system |
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| CN104422048A (en) * | 2013-08-24 | 2015-03-18 | 朱振明 | Tap water energy-saving utilization system of high-rise building |
| CN104566703A (en) * | 2013-10-15 | 2015-04-29 | 高天罡 | Dual-system energy-saving central air-conditioner |
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| CN202494188U (en) * | 2012-03-21 | 2012-10-17 | 淄博一村空调有限公司 | Double-medium circulating cold and warm humidifying air conditioner |
| CN102620372A (en) * | 2012-04-26 | 2012-08-01 | 余庄 | Ultraslow energy consumption system for directly adjusting indoor environment by using ground source |
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