CN102645044A - Direct-expansion solar heat pump water heating system - Google Patents
Direct-expansion solar heat pump water heating system Download PDFInfo
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- CN102645044A CN102645044A CN2012101573073A CN201210157307A CN102645044A CN 102645044 A CN102645044 A CN 102645044A CN 2012101573073 A CN2012101573073 A CN 2012101573073A CN 201210157307 A CN201210157307 A CN 201210157307A CN 102645044 A CN102645044 A CN 102645044A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S10/753—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being parallel to each other
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The invention discloses a heat absorption core of a collector used for a solar heat pump water heating system, a naked plate type collector, a collector with a glass cover plate as well as a direct-expansion solar heat pump water heating system. The naked plate type collector and collector with the glass cover plate are connected through an electromagnetic valve and a refrigerant copper pipe and, a PLC (Programmable Logic Controller) controls the open and close of the electromagnetic valve according to different external conditions so as to realize the separated operation and series operation of the naked plate type collector and the collector with the glass cover plate. Refrigerant gas through evaporation and compression enters a plate-type heat exchanger so as to carry out countercurrent flow heat exchange with circulating water, hot water temperature is fed back to a controller through a temperature sensor, and the controller controls the open and stop of a compressor. With the structure, the system has the advantages of high energy efficiency ratio, good environmental adaptation, simple structure and the like and is environment-friendly and energy-saving.
Description
Technical field
The present invention relates to a kind of solar-heating water device, specifically, is a kind of direct expanding solar heating pump hot-water heating system, belongs to heating, air-conditioning and domestic hot-water's apparatus technology.
Background technology
Solar energy has obtained more utilization and development as the maximum regenerative resource of the earth in recent years.Direct expanding solar heating pump system (DX-SAHP) is the evaporimeter of heat pump with the solar energy heating plate; Refrigeration working medium charges in the thermal-arrest plate when the thermal-arrest of flowing through/evaporimeter and absorbs the heat in solar energy and the surrounding environment, through heat pump cycle condenser heat is passed to heated material then.The more non-direct-expansion type of direct expanding solar heating pump is compared, and has saved the heat transmission equipment between the thermal-arrest circulation and heat pump cycle in the non-direct-expansion type system, simple in structure, cost is low, functional, equipment life is long, becomes the emphasis that people study concern day by day.
In the direct-expansion type system, the structure of solar heat-collection/evaporimeter has considerable influence to the performance of heat pump.Because heat collector and evaporimeter unite two into one on 26S Proteasome Structure and Function; Make that solar energy heating temperature and cold-producing medium evaporating temperature are comparatively approaching; Heat-collecting temperature is in the lower temperature range, and collecting efficiency is higher, adopts the bare board heat collector also can reach solar collecting performance preferably; And along with the raising of cold-producing medium evaporating temperature, the performance of heat pump also will improve a lot.
The Wang Ruzhu of Shanghai Communications University equals calendar year 2001 and has applied for patent of invention " directly expanding solar heat-pump water heater "; Authorize publication number: CN2520486; Application number: 01276456Y; This patent name is a kind of directly expanding solar heat-pump water heater, and solar thermal collector is held concurrently as evaporator with heat pump, and the evaporation process of cold-producing medium and the thermal-arrest process of solar energy are carried out in an equipment simultaneously.Heat collector adopts the bare board formula heat collector of no glass cover-plate, the insulation of nothing bottom as evaporimeter; The cold-producing medium copper pipe is a bend pipe; Be welded on the thermal-arrest plate, evaporator outlet links to each other with the compressor air suction mouth, and exhaust outlet of compressor links to each other with condenser inlet; Condenser is that immersion places water tank, accomplishes closed circulation in the evaporimeter after drier, expansion valve are got back to.This cover system has improved the hot property of the solar collecting performance and the heat pump of solar thermal collector, has obvious energy-saving effect.But weak point is the submerged condenser heat exchanger surface and is corroded easily, installs and cleans inconvenience, and heat exchange efficiency is not high, and connecting line is long simultaneously, if the generation leakage of refrigerant will polluted water; Evaporimeter is a tandem, when operation, has the cold-producing medium skewness, and energy is not fully used, and cold-producing medium can produce pressure drop in the flow process, can not control collector area in real time according to the change of external environment simultaneously, influences systematic function.
Summary of the invention
The objective of the invention is to, a kind of heat exchanger core that is used for the heat collector of solar heat pump and water heating system is provided.
The objective of the invention is to, a kind of bare board formula heat collector is provided.
The objective of the invention is to, a kind of heat collector that has glass cover-plate is provided.
The objective of the invention is to, a kind of direct expanding solar heating pump hot-water heating system is provided, to overcome the above-mentioned shortcoming and defect of existing in prior technology.
Adopt in this system structure more reasonable, can suitably control the thermal-arrest/evaporimeter of collector area and heat exchange efficiency is higher, use is comparatively stable plate-type condenser; According to different external environments; Suitably regulate the collector area of thermal-arrest/evaporimeter, thereby improve the runnability of system, reduce the operating cost of system; Structure is more compact simultaneously, and applicability is more extensive.
The technical problem that will solve required for the present invention, can realize through following technical scheme:
As first aspect of the present invention, a kind of heat exchanger core that is used for the heat collector of solar heat pump and water heating system is characterized in that, comprising: house steward, and the tubular structure of horizontally set has cold-producing medium in it; And band, vertically be provided with, form by cold-producing medium copper pipe and aluminium fin, wherein, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around.
As second aspect of the present invention, a kind of bare board formula heat collector like described heat exchanger core is characterized in that comprise: by heat exchanger core and anodized coating that house steward and band are processed, wherein, said house steward is the tubular structure of horizontally set, and cold-producing medium is arranged in it; Said band vertically is provided with, form by cold-producing medium copper pipe and aluminium fin, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around; Said strip face coated anode oxide covering.
As second aspect of the present invention; A kind of heat collector that has glass cover-plate of as described heat exchanger core is characterized in that, comprising: heat exchanger core, the anodized coating processed by house steward and band; Glass cover-plate, backboard and frame; Wherein, said house steward is the tubular structure of horizontally set, and cold-producing medium is arranged in it; Said band vertically is provided with, form by cold-producing medium copper pipe and aluminium fin, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around; Said strip face coated anode oxide covering; Said glass cover-plate is arranged at the front of said heat exchanger core; Said backboard adopts insulation material to process platy structure, is arranged at the back side of said heat exchanger core; Said frame be coated on said heat exchanger core around.
As the third aspect of the invention; The direct expanding solar heating pump hot-water heating system that a kind of as described heat collector is processed; It is characterized in that, comprising: the cold-producing medium of being made up of at least one heat collector and gas-liquid separator, compressor, condenser, fluid reservoir, heating power expansion valve circulates; And the water of forming by condenser, water circulating pump and hot water storage tank circulation.
Further, a kind of direct expanding solar heating pump hot-water heating system of the present invention can also have such characteristic: also comprise: temperature sensor is used to detect the gas temperature of the air entry of said compressor; Temperature sensor is used to detect the temperature of the water in the said hot water storage tank; And controller, be used to detect the running current of said compressor and said water circulating pump.
Further; A kind of direct expanding solar heating pump hot-water heating system of the present invention can also have such characteristic: wherein; The quantity of said heat collector is two; Each said heat collector is connected with gas-liquid separator through magnetic valve, and each said heat collector is connected with said heating power expansion valve through magnetic valve, and is in series through magnetic valve between two said heat collectors.
Further; A kind of direct expanding solar heating pump hot-water heating system of the present invention can also have such characteristic: wherein; Said heat collector comprises: bare board formula heat collector with have the heat collector of glass cover-plate, at least one two ends of bare board formula heat collector and the heat collector that has glass cover-plate are connected with said heating power expansion valve with said gas-liquid separator respectively.
Further; A kind of direct expanding solar heating pump hot-water heating system of the present invention can also have such characteristic: wherein; Said condenser is a plate type heat exchanger; Said plate type heat exchanger plate-type condenser is formed by a plurality of corrugated cardboard sheet closed assemblies, and said cold-producing medium and said water carry out countercurrent flow in said plate type heat exchanger.
Beneficial effect of the present invention:
Band is by the cold-producing medium copper pipe and the aluminium fin is rolling forms, and this structure has solved cold-producing medium skewness in the conventional coiled pipe heat collector, the problem that pressure drop is bigger.
Cold-producing medium copper pipe two ends vertical connection house steward Yu, this structure will reduce the pressure loss in the running greatly, make that simultaneously the heat of heat collector is evenly utilized.
Bare board formula heat collector, strip face coated anode oxide covering, this coating for selective absorption have absorptivity height, reflectivity is low, collecting efficiency is high advantage.Have advantages such as cost is low, in light weight, easy transportation and installation.
The heat collector that has glass cover-plate, heat exchanger core top installs the insulation glass cover-plate additional, is positioned in the aluminum alloy frame; The heat exchanger core bottom installs the backboard of insulation material additional; Prevent that heat from distributing, good heat insulating is suitable for weather cold, season that solar irradiation intensity is lower.
Two solar heat-collection plates are connected with magnetic valve through pipeline, close/open the magnetic valve between the heat collector according to different external environments, thereby realize series connection, isolated operation between the thermal-arrest plate.
Temperature sensor, temperature sensor, compressor, water circulating pump all are connected in controller, in order to guarantee the safety and stability of system.
Bare board formula heat collector 1 links to each other with magnetic valve C, magnetic valve D, magnetic valve E, magnetic valve F, magnetic valve G through refrigerant line with the heat collector that has glass cover-plate.Variation according to external environment; The unlatching of each magnetic valve of PLC touch screen interface control through controller, close realizing bare board formula heat collector and to have the isolated operation or the operation simultaneously of the heat collector of glass cover-plate, fluid reservoir is installed on before the expansion valve in order to the refrigerant flow in the automatic-balancing system.
Condenser is not to be conventional immersion structure, but adopts plate type heat exchanger.Compact conformation not only, pressure-bearing is better, and forms turbulent flow and higher heat transfer coefficient can count at very little Re the time.Cold-producing medium and recirculated water carry out countercurrent flow in plate type heat exchanger, recirculated water is by water pump suction plate type heat exchanger, and regulate the power and the flow of water pump through controller, have solved shortcomings such as conventional immersion heat collector heat exchange efficiency is low, surperficial corrosion-vulnerable.
Description of drawings
The structural representation of Fig. 1 direct expanding solar heating pump hot-water heating system.
The structural representation of the heat exchanger core of Fig. 2 heat collector.
Reference numeral:
Bare board formula heat collector 1 has the heat collector 2 of glass cover-plate, gas-liquid separator 3, compressor 4, plate type heat exchanger 5, fluid reservoir 6, heating power expansion valve 7, water circulating pump 8, hot water storage tank 9, controller 10, temperature sensor 11, temperature sensor 12.
Magnetic valve A21, magnetic valve B22, magnetic valve C23, magnetic valve D24, magnetic valve E25, magnetic valve F26, magnetic valve G27, magnetic valve H28.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described further.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
Embodiment
The structural representation of Fig. 1 direct expanding solar heating pump hot-water heating system.
As shown in Figure 1, a kind of direct expanding solar heating pump hot-water heating system comprises: bare board formula heat collector 1 has the heat collector 2 of glass cover-plate; Gas-liquid separator 3, compressor 4, plate type heat exchanger 5 (condenser); Fluid reservoir 6, heating power expansion valve 7, water circulating pump 8; Hot water storage tank 9, controller 10, temperature sensor 11 and temperature sensor 12.
This direct expanding solar heating pump hot-water heating system has cold-producing medium circulation and two circulations of water circulation, and control circuit.
Wherein, cold-producing medium circulation: form by bare board formula heat collector 1, the heat collector 2 that has glass cover-plate, gas-liquid separator 3, compressor 4, plate type heat exchanger 5, fluid reservoir 6, heating power expansion valve 7, magnetic valve C23, magnetic valve D24, magnetic valve E25, magnetic valve F26, magnetic valve G27 and temperature sensor 11.
In the cold-producing medium circulation; Bare board formula heat collector 1 and/or the export pipeline that has a heat collector 2 of glass cover-plate are connected with the air entry of compressor 4 behind gas-liquid separator 3; The exhaust outlet of compressor 4 is connected with the refrigerant inlet of plate type heat exchanger 5, and the pipeline of the cold-producing medium of the outlet of plate type heat exchanger 5 inserts bare board formula heat collector 1 and/or has heat collector 2 inlets of glass cover-plate after fluid reservoir 6 is regulated refrigerant amount and heating power expansion valve 7.
Wherein, water circulation: form by plate type heat exchanger 5, water circulating pump 8, hot water storage tank 9, magnetic valve A21, magnetic valve B22, magnetic valve H28 and temperature sensor 12.
In water circulation, the running water in the hot water storage tank 9 is gone into board-like heat exchanger 5 and cold-producing medium circulation carrying out countercurrent flow through water circulating pump 8 pressurization works done are laggard, and running water passes back into hot water storage tank 9 after plate type heat exchanger 5 heating.
Magnetic valve A21 connects the running water water inlet, and magnetic valve B22 connects domestic hot-water's delivery port, and magnetic valve C23, magnetic valve D24, magnetic valve E25, magnetic valve F26, magnetic valve G27 connect refrigerant line, and magnetic valve H28 connects the water inlet of water circulating pump 8.
As shown in Figure 1, control circuit by compressor 4, water circulating pump 8, temperature sensor 11, temperature sensor 12 all and controller 10 form.
Further set forth the structure of this system.
Bare board formula heat collector 1 and the heat collector 2 that has glass cover-plate have the effect of thermal-arrest and evaporation; The outlet of the two links to each other with an end of gas-liquid separator 3; The other end of gas-liquid separator 3 is connected in the air entry of compressor 4, and the exhaust outlet of compressor 4 links to each other with the refrigerant side inlet of plate type heat exchanger 5, and plate type heat exchanger 5 outlets are connected with fluid reservoir 6; Fluid reservoir 6 links to each other with heating power expansion valve 7; Heating power expansion valve 7 links to each other with the heat collector that has glass cover-plate 2 with bare board formula heat collector 1, adopts refrigerant line to be connected between each device, forms the closed circulation passage of refrigerant side.
Bare board formula heat collector 1 is connected with gas-liquid separator 3 through magnetic valve F26, and the heat collector 2 that has glass cover-plate passes through magnetic valve G27 and is connected with gas-liquid separator 3, and bare board formula heat collector 1 and having between the heat collector 2 of glass cover-plate is in series through magnetic valve E25.
Bare board formula heat collector 1 is connected with heating power expansion valve 7 through magnetic valve D24.The heat collector 2 that has glass cover-plate is connected with heating power expansion valve 7 through magnetic valve C23.
Condenser is a plate type heat exchanger 5.The water loop exit of hot water storage tank 9 one ends links to each other with water circulating pump 8 through magnetic valve H28, and the outlet of water circulating pump 8 links to each other with the water loop head of plate type heat exchanger 5.The water loop exit of plate type heat exchanger 5 links to each other with the water loop head of hot water storage tank 9.The water inlet of the other end of hot water storage tank 9 links to each other with running water pipe through magnetic valve A21, and the delivery port of cyclic water tank 9 other ends connects domestic hot-water's pipeline through magnetic valve B22, and this part is accomplished closed water circulation.
Heat collector of the present invention adopts bare board formula heat collector 1 and the heat collector 2 that has glass cover-plate, and at least one two ends of bare board formula heat collector 1 and the heat collector that has glass cover-plate 2 are connected with heating power expansion valve 7 with gas-liquid separator 3 respectively.Bare board formula heat collector 1 all adopts heat exchanger core to process with the heat collector 2 that has glass cover-plate.
The structural representation of the heat exchanger core of Fig. 2 heat collector, as shown in Figure 2, heat exchanger core comprises: house steward 13 and band.
The tubular structure of house steward's 13 horizontally sets has cold-producing medium in the house steward 13.Band 14 vertically is provided with, by aluminium fin 14 and cold-producing medium copper pipe 15 rolling forming, aluminium fin 14 be arranged at cold-producing medium copper pipe 15 around.Cold-producing medium copper pipe 15 and house steward's 13 vertical connections, and then several strips and house steward 13 are connected to form heat exchanger core.
Bare board formula heat collector 1 only is made up of heat exchanger core, and at heat exchanger core surface-coated anodized coating, absorptivity is greater than 92%.
Bare board formula heat collector 1, no glass cover-plate and bottom insulation only are formed by connecting house steward and compound heat absorption band; Have advantages such as cost is low, in light weight, easy transportation and installation; Band is by the cold-producing medium copper pipe and aluminium sheet is rolling forms, and constitutes heat exchanger core, strip face coated anode oxide covering; This coating for selective absorption has absorptivity height, reflectivity is low, collecting efficiency is high advantage; Cold-producing medium copper pipe two ends vertical connection house steward Yu, this structure will reduce the pressure loss in the running greatly, make that simultaneously the heat of heat collector is evenly utilized.
The heat collector 2 that has glass cover-plate is on the basis of bare board formula heat collector 1, and heat exchanger core top installs the insulation glass cover-plate additional, and top installs glass cover-plate (insulation safety glass) additional, and the back installs insulation material additional, is positioned in the aluminum alloy frame.Because the heat exchanger core bottom installs insulation material additional as backboard, prevent that heat from distributing, good heat insulating is suitable for weather cold, season that solar irradiation intensity is lower.
Bare board formula heat collector 1 is connected with magnetic valve through pipeline with the heat collector that has glass cover-plate 2, closes/open the magnetic valve between the heat collector according to different external environments, thereby realizes series connection, isolated operation between the thermal-arrest plate.
The present invention adopts plate type heat exchanger 5 as condenser, is different from conventional immersion structure.Plate type heat exchanger 5 plate-type condensers are formed by a plurality of corrugated cardboard sheet closed assemblies, and cold-producing medium and recirculated water carry out countercurrent flow in plate type heat exchanger 5.And regulate the power and the flow of water circulating pump 10 through controller 10.Thereby produce required domestic hot-water through the heat exchange between running water and the high-temperature high-pressure refrigerant; Have advantages such as heat exchange efficiency height, stable performance, compact conformation, convenience for washing; Plate type heat exchanger 5 is arranged in outside the hot water storage tank 9 simultaneously; The layout in its place is more flexible, and applicability is stronger, the infringement of also having avoided corrosion of piping, leakage of refrigerant that system is caused.
The course of work of the present invention:
The present invention is with solar thermal collector (bare board formula heat collector 1; The heat collector 2 that has glass cover-plate) the double evaporator with heat pump of doing; Cold-producing medium gets into compressor as the evaporation of in heat collector, absorbing heat of solar energy heating medium after the gas-liquid separator drying, high temperature and high pressure gas is laggard goes into board-like heat exchanger 5 and carry out countercurrent flow with recirculated water through being compressed into; Condensed cold-producing medium gets into heating power expansion valve 7 from the outlet of plate type heat exchanger 5; Get back to solar thermal collector (bare board formula heat collector 1 has the heat collector 2 of glass cover-plate) after the throttling, accomplish the cold-producing medium circulation.Simultaneously; Running water in the hot water storage tank 9 is extracted out laggardly to go into board-like heat exchanger 5 and carry out heat exchange with cold-producing medium by water circulating pump 8; Be heated the outlet entering hot water storage tank 9 of back by plate type heat exchanger 5; Temperature sensor 12 is housed in the hot water storage tank 9, treat water temperatures in the hot water storage tank 9 reach specify require after, the start and stop of control system.
Among the present invention, regulating thermal-arrest/evaporimeter operational mode of (bare board formula heat collector 1 has the heat collector 2 of glass cover-plate) according to outer work condition, is to consider the influence of external condition to system.
Be that the hot water demand measures maximum and temperature is minimum, irradiation intensity is minimum operating mode winter, and this moment, operation had the heat collector 2 of glass cover-plate, can effectively protect the heat of collecting in the heat collector, improved system performance.
If still can not satisfy terminal hot water demand this moment,, opens solenoid valve moves simultaneously but realizing two thermal-arrests (bare board formula heat collector 1 has the heat collector 2 of glass cover-plate) plate.
When solar irradiation intensity was big, isolated operation bare board formula heat collector 1 not only can obtain higher collecting efficiency, and the plate temperature is comparatively constant; Operating temperature is low; Thereby play the effect of protection compressor, when rainy weather, the heat-transfer surface of bare board formula heat collector 1 directly contacts with outside air simultaneously; With the heat convection better performances of air, can from air, obtain the auxiliary thermal source of certain heat as system.The operational mode of this adjusting collector area has guaranteed that not only system can be issued to higher efficient in any operating mode; Good, the installation and easy to operate of remarkable, the annual applicability of energy-saving effect; Also guaranteed the safe operation of the core component-compressor of system, had a good application prospect.
Method for using of the present invention:
Among the present invention, opens solenoid valve A21 at first, running water gets into hot water storage tank 9, observes the water yield in the meter monitoring hot water storage tank 9 through liquid level, treats in the hot water storage tank 9 to close magnetic valve A21, opens solenoid valve H28 after the fills with water.After system started, the running water in the hot water storage tank 9 was gone into board-like heat exchanger 5 and cold-producing medium circulation carrying out countercurrent flow through water circulating pump 8 pressurizations are laggard, and running water is through plate type heat exchanger 5 heating back inflow hot water storage tanks 9.Temperature sensor 12 is used for the water temperature in the monitoring water tank; After treating that water temperature reaches specified temp in the hot water storage tank 9; Temperature sensor 12 passes to controller 10 with signal; Through closing of controller 10 control compressors 4 and water circulating pump 8, fill with the domestic hot-water of assigned temperature this moment in the hot water storage tank 9, supply with the user through magnetic valve B22 and use.
Simultaneously in the cold-producing medium circulation; After system started, controller 10 started with compressor 4 simultaneously, and refrigerant liquid gets into bare board formula heat collector 1 and heat collector 2 bottoms that have glass cover-plate; Heat absorption evaporation within it; Get into compressor 4 through the dry back of gas-liquid separator 3, be collapsed in compressor 4 that high temperature and high pressure gas is laggard goes into board-like heat exchanger 5 and carry out heat exchange with water, through condensation become liquid after entering heating power expansion valve 7; Get back to bare board formula heat collector 1 and the heat collector 2 that has glass cover-plate after the throttling, accomplish the refrigerant side circulation.
Summer irradiation better, under the environment temperature condition with higher, adopt bare board formula heat collector 1 not only can from solar radiation, absorb heat, and have good heat convection performance with surrounding air, be more conducive to from air, absorb heat.Magnetic valve C23, magnetic valve E25, magnetic valve G27 close at this moment, and magnetic valve D24, magnetic valve F26 open, and cold-producing medium can satisfy water circulation user's demand in the 1 heat absorption evaporation of bare board formula heat collector.
Environment temperature reduces in the winter time, and under the more weak situation of solar radiation, the heat collector 2 that has glass cover-plate will reduce the heat loss of heat collector and surrounding enviroment; Effective solar radiation energy of being gathered that guarantees is fully used; This moment, magnetic valve D24, magnetic valve E25, magnetic valve F26 closed, and magnetic valve C23, magnetic valve G27 open, the cold-producing medium evaporation of in the heat collector that has glass cover-plate 2, absorbing heat; After system moves a period of time; If the water circulating water temperature still can not satisfy the demands, close magnetic valve C23, magnetic valve F26, opens solenoid valve D24, magnetic valve E25, magnetic valve G27; Make bare board formula heat collector 1 and the heat collector 2 that has glass cover-plate move the heat that absorbs external environment simultaneously, improve the runnability of system.
Among the present invention, remove controller 10 adopt programmable controllers (Programmable Logic Controller, PLC); Compressor 4, magnetic valve A21, magnetic valve B22; Magnetic valve C23, magnetic valve D24, magnetic valve E25, magnetic valve F26, magnetic valve G27, magnetic valve H28, water circulating pump 8 adopt integrated touch-screen visual interface operation all through the PLC programming Control; Operation interface is positioned over indoor, can realize hand, the automatic integratedization control of whole system in real time to carrying out manual adjustments with upper-part; On the basis of guaranteeing system's security of operation, have plurality of advantages such as easy to operate, exquisite appearance.
Above specific embodiments of the invention is illustrated, but the present invention is as limit, and only otherwise break away from aim of the present invention, the present invention can also have various variations.
Claims (8)
1. a heat exchanger core that is used for the heat collector of solar heat pump and water heating system is characterized in that, comprising:
House steward, the tubular structure of horizontally set has cold-producing medium in it; And
Band vertically is provided with, forms by cold-producing medium copper pipe and aluminium fin,
Wherein, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around.
2. the bare board formula heat collector of a heat exchanger core as claimed in claim 1 preparation is characterized in that, comprising: heat exchanger core and the anodized coating processed by house steward and band,
Wherein, said house steward is the tubular structure of horizontally set, and cold-producing medium is arranged in it;
Said band vertically is provided with, form by cold-producing medium copper pipe and aluminium fin, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around;
Said strip face coated anode oxide covering.
3. the heat collector that has glass cover-plate of a heat exchanger core preparation as claimed in claim 1 is characterized in that, comprising: by heat exchanger core, the anodized coating that house steward and band are processed, and glass cover-plate, backboard and frame,
Wherein, said house steward is the tubular structure of horizontally set, and cold-producing medium is arranged in it;
Said band vertically is provided with, form by cold-producing medium copper pipe and aluminium fin, said cold-producing medium copper pipe and house steward's vertical connection, said aluminium fin be arranged at said cold-producing medium copper pipe around;
Said strip face coated anode oxide covering;
Said glass cover-plate is arranged at the front of said heat exchanger core;
Said backboard adopts insulation material to process platy structure, is arranged at the back side of said heat exchanger core;
Said frame be coated on said heat exchanger core around.
4. a direct expanding solar heating pump hot-water heating system of processing like each described heat collector of claim 2-3 is characterized in that, comprising:
The cold-producing medium of being made up of at least one heat collector and gas-liquid separator (3), compressor (4), condenser, fluid reservoir (6), heating power expansion valve (7) circulates; And
The water of being made up of condenser, water circulating pump 8 and hot water storage tank 9 circulates.
5. a kind of direct expanding solar heating pump hot-water heating system according to claim 4 is characterized in that, also comprises:
Temperature sensor (11) is used to detect the gas temperature of the air entry of said compressor (4);
Temperature sensor (12) is used to detect the temperature of the water in the said hot water storage tank (9); And
Controller (10) is used to detect the running current of said compressor (4) and said water circulating pump (8).
6. a kind of direct expanding solar heating pump hot-water heating system according to claim 4 is characterized in that:
Wherein, the quantity of said heat collector is two,
Each said heat collector is connected with gas-liquid separator (3) through magnetic valve, and each said heat collector is connected with said heating power expansion valve (7) through magnetic valve, and is in series through magnetic valve between two said heat collectors.
7. a kind of direct expanding solar heating pump hot-water heating system according to claim 6 is characterized in that:
Wherein, Said heat collector comprises: bare board formula heat collector (1) and have the heat collector (2) of glass cover-plate, at least one two ends of bare board formula heat collector (1) and the heat collector that has glass cover-plate (2) are connected with said heating power expansion valve (7) with said gas-liquid separator (3) respectively.
8. a kind of direct expanding solar heating pump hot-water heating system according to claim 4 is characterized in that:
Wherein, said condenser is plate type heat exchanger (5), and said plate type heat exchanger (5) plate-type condenser is formed by a plurality of corrugated cardboard sheet closed assemblies, and said cold-producing medium and said water carry out countercurrent flow in said plate type heat exchanger (5).
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| CN2012101573073A CN102645044A (en) | 2012-05-17 | 2012-05-17 | Direct-expansion solar heat pump water heating system |
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| CN2012101573073A CN102645044A (en) | 2012-05-17 | 2012-05-17 | Direct-expansion solar heat pump water heating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109556291A (en) * | 2018-12-21 | 2019-04-02 | 珠海格力电器股份有限公司 | Temperature adjusting device and water heater |
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| CN106642739A (en) * | 2016-11-15 | 2017-05-10 | 武汉圣普太阳能科技有限公司 | Hot water and steam generation system adopting trough type solar heat collectors |
| CN106642739B (en) * | 2016-11-15 | 2019-04-02 | 武汉圣普太阳能科技有限公司 | Using the hot water and steam generating system of trough type solar heat-collector |
| CN109556291A (en) * | 2018-12-21 | 2019-04-02 | 珠海格力电器股份有限公司 | Temperature adjusting device and water heater |
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