CN201032223Y - Hot-water apparatus of solar energy-heat pump classified heating type energy conservation - Google Patents

Hot-water apparatus of solar energy-heat pump classified heating type energy conservation Download PDF

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CN201032223Y
CN201032223Y CN 200620047262 CN200620047262U CN201032223Y CN 201032223 Y CN201032223 Y CN 201032223Y CN 200620047262 CN200620047262 CN 200620047262 CN 200620047262 U CN200620047262 U CN 200620047262U CN 201032223 Y CN201032223 Y CN 201032223Y
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water tank
heating
water
stepped
heat
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潘戈
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潘戈
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The utility model relates to a water heating device of solar energy-heat pump classified heating type energy storage, comprising a solar collector, a pump, a heat pump, an electric heating device, a water tank, a control unit and so on. The utility model is characterized in that the water tank consists of a collector circulating heating water tank, a classification heating type conflux hot water tank and an energy storage water tank. The solar collector and the collector circulating heating water tank are connected; the collector circulating heating water tank is connected with the classification heating type conflux hot water tank; the classification heating type conflux hot water tank is connected with the energy storage water tank; the heat pump, the electric heating device and the water tank match each other; the starting control of the solar collector, the pump and the heat pump and the electric heating device are respectively connected with the control unit electrically. With the structure, while meeting the standard of supplying hot water of above 45 DEG C for 24 hours in 365 days, the device can attempt to make full use of solar energy for heating; then the device can make use of energy of the heat pump or the peak and valley electricity for heating, and can achieve the lowest operation cost.

Description

A kind of hot water apparatus of solar energy-heat pump stepped-heating type energy-storage
Technical field
The utility model relates to field of solar energy utilization, especially relates to a kind of hot water apparatus of solar energy-heat pump stepped-heating type energy-storage.
Background of invention
Solar energy enormous amount, the annual solar radiant energy that arrives earth surface are about 130,000,000,000,000 tons of mark coals, but be characterized in having dispersiveness, discontinuity and unstability.Although the total amount of the solar radiant energy of arrival earth surface is very big, energy-flux density is but very low, therefore wants to obtain certain radiant power, just needs the bigger swept area of accepting.So-called discontinuity and unstability are meant that natural conditions such as solar radiant energy is subjected to round the clock, season, geographic latitude, height above sea level limit, and stochastic factor such as fine, cloudy, cloud, rain.For eliminate these shortcomings, just solve the energy storage problem and can reach round-the-clock use by means of other supplementary energy with regard to needs.Energy consumptions for building such as hot water making can be main finishing fully with the regenerative resource of low level, if adopt high-order electric energy to finish to be a kind of waste to energy resources, therefore, in the system that adopts solar water, guarantee that farthest utilizing the effective energy storage of solar energy and realization system is one of leading indicator of systematic function, to guarantee also that simultaneously the hot water output temperature satisfies industry standard and requires to remain on more than 45 ℃, can annual all-weather use, promptly can guarantee supply in annual 365 days 24 hours hot water more than 45 ℃ at least, also should be able to be under the possible condition by supplying the hot water of secondary temperature in 365 days 24 hours as 30 ℃-40 ℃; Secondly, when selecting to use electric heater unit, should make device can fully use the paddy electric energy of electricity period, minimum with the operating cost of ensuring equipment; In addition, should be able to reduce device cost is set, and obtain the maximum adaptability of installing and using simultaneously, help reaching and integrated combination of building.
The energy storage means that prior art solves the solar hot water system mainly are by volume that increases energy-accumulating water tank or the unit volume energy storage density that increases energy-accumulating medium, wherein, aspect employing increase energy-accumulating water tank volume, the CN1403760A that has announced " multiple complementary energy source system " in introduced and a kind ofly comprised that solar energy heating and supplementary energy and employing accumulation of energy water tank carry out the technical scheme of heat supply, cooling, the accumulation of energy water tank that it adopts comprises hot hydroecium and cold water chamber, separate with heat-insulating material between the two, solar thermal collection system is connected with the accumulation of energy water tank respectively with earth-source hot-pump system.By shown in its accompanying drawing etc., the use of the making of hot water and hot water is to adopt system in real time in this scheme, therefore in order to ensure that the heat exchange between solar thermal collection system and hot water storage tank normally carries out, in amount of exports fixed output quota calorimetric water, must import the cold water of same amount, because cold enters at any time, adopt the non-hot water storage tank of normal size to be difficult to reach by annual 45 ℃ of requirements that design specified hot water amount of securing an adequate supply in 365 days 24 hours, in addition, the sunlight sky is along with hot water storage tank top water temperature constantly rises, the collecting efficiency of this solar thermal collection system constantly descends, generally promptly like this at the nearly noon of fine day, therefore, the overall thermal performance of system is lower; Come energy storage if adopt the mode that increases the heat storage water tank volume, then the latter half of heat storage water tank is the lower water of temperature all the time, the hot water output to every day does not have enough contributions, and low-heat warm water more is easy to generate bacterial reproduction and pollutes water supply, there is not certain layering heat preservation technology measure, hot and cold water stores easily and mixes mutually, the water on top also is not easy to meet the requirements of output temperature, the volume waste of water tank is too big, hot hydroecium and cold water chamber independently are provided with seasonal the use in addition, make its utilization rate reduce greatly, it is too high that cost is set.
The auxiliary characteristics that add thermal recovery electric heating pump technology are energy-conservation, under the same thermoelectrical efficiency power consumption be general electrical heating elements 1/3rd or below, but the efficient of electric heating pump work is required the restriction of heating-up temperature and heat source temperature scope, also can frosting during the subcritical temperature, equipment is fragile during the heating excessive temperature differentials, because electric energy in short supply, also should adopt the electric energy of low-valley interval to drive electric heating pump as far as possible and finish work such as hot water making.
In order to address the above problem, I have proposed a kind of solar energy heating and electrically heated hot water apparatus in the application for a patent for invention of application number 200510025652.1, adopt solar thermal collector, heat pump, compositions such as electrical heating elements, through solar thermal collector, or heat pump, or electrical heating elements is distinguished made quantitative hot water storage in water tank, so that made hot water can realize storing supply by time sharing mode, the output of the hot water of assurance device can reach more than 45 ℃ 365 days 24 hours supply standard, and makes device can select farthest to utilize solar energy and only use the paddy electric energy of electric period.Adopt the hot water apparatus of this technical scheme also to run into some problems in actual applications, as: under the situation that building roof solar thermal collector erection space is restricted, be difficult to guarantee farthest to utilize solar energy, simultaneously, it is additional that solar energy utilizes the part of energy shortage then certainly will will adopt heat pump to do, therefore, needing the supply of the enough low price energy such as low ebb electricity guarantees, this is difficult to obtain enough low ebb electricity supplies night again under the fixing situation of domestic consumer's inlet wire current capacity; Simultaneously, fall cost effectiveness in order to obtain energy storage, the volume of water tank can need to do greatlyyer, has so just increased the cost that is provided with of hot water apparatus; For large-scale concentrated hot water apparatus, the volume that increases water tank is provided with cost except the meeting increase, also can produce the problem of roof installation and installed surface bearing capacity, and the solar thermal collector erection space is reduced, thereby the installation adaptability of its application is affected.
Summary of the invention
The purpose of utility model is to provide a kind of hot water apparatus of solar energy-heat pump stepped-heating type energy-storage, utilize solar thermal collector, heat pump, electric heater unit, water tank and control module etc. are formed the heating arrangement combination under the time-sharing work, satisfy device can be more than 45 ℃ under the standard of hot water by supply in 365 days 24 hours, make device utilize solar energy heating as much as possible, just utilize the heating of heat pump energy source or peak valley electric energy then, and adopt the classification heating to obtain the minimum operation cost, heat in advance with the made hot water of the mode of classification heating by time-sharing work and can realize energy storage and timesharing supply by different set temperature grade hot water; When the heat collector erection space is not enough, can the heat collector output water temperature be set with the lifting collecting efficiency by secondary temperature, and can make energy-accumulating water tank separate setting, reduce the installation adaptability that device is provided with cost and expansion instrument.
The hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage of the present utility model, can realize by the following technical solutions: the hot water apparatus that adopts a kind of solar energy-heat pump stepped-heating type energy-storage, by solar thermal collector, water pump, heat pump, electric heater unit, composition such as water tank and control module, it is characterized in that, described water tank is by the heat collector cyclic heating water tank, conflux boiler and energy-accumulating water tank of stepped-heating type formed, solar thermal collector is connected with the heat collector cyclic heating water tank, heat collector cyclic heating water tank and the stepped-heating type boiler that confluxes is connected, the stepped-heating type boiler that confluxes is connected with energy-accumulating water tank, heat pump, electric heater unit and water tank phase configuration, solar thermal collector, water pump, the start-up control of heat pump and electric heater unit are electrically connected with control module respectively.Described energy-accumulating water tank is more than one water tank, and energy-accumulating water tank comprises stepped-heating type warm water heat storage water tank and whole warm heat storage water tank, and stepped-heating type being connected between boiler and stepped-heating type warm water heat storage water tank and end warm heat storage water tank of confluxing is to be connected in parallel.Described heat collector cyclic heating water tank can be one or more than, one or above heat collector cyclic heating water tank last heat collector cyclic heating water tank after interconnecting be the double as stepped-heating type boiler that confluxes simultaneously.Described heat pump, electric heater unit and water tank phase configuration are to reach outside the water tank to be provided with heat pump or electric heater unit on the stepped-heating type water tank.Described heat pump is to comprise one or more heat pump, one or more heat pump is configured in and comprises that the stepped-heating type boiler that confluxes goes up and form classification heating heat pump between the two with whole warm storage tank, and can form direct or indirect being connected in series between the classification heating heat pump.Described stepped-heating type warm water heat storage water tank with eventually also can be provided with the bypass conduit in parallel between warm heat storage water tank with it, have on this bypass conduit from stepped-heating type warm water heat storage water tank to eventually warm heat storage water tank supplies water or heating is supplied water check valve.Described stepped-heating type conflux boiler and stepped-heating type warm water heat storage water tank and be equipped with the electric-controlled switch valve on the supply channel that is connected in parallel between warm heat storage water tank eventually.Be equipped with the output tube connector that supplies water on described stepped-heating type warm water heat storage water tank and the whole warm heat storage water tank, also the hot water booster pump can be set on this water supply output tube connector.
The advantage of the stepped-heating type energy-storage hot-water device that solar energy-heat pump of the present utility model is compound is: owing to adopted water tank by the heat collector cyclic heating water tank, conflux boiler and energy-accumulating water tank of stepped-heating type formed, solar thermal collector is connected with the heat collector cyclic heating water tank, heat collector cyclic heating water tank and the stepped-heating type boiler that confluxes is connected, heat pump, electric heater unit and water tank phase configuration, solar thermal collector, water pump, stepped-heating type water tank that the start-up control of heat pump and electric heater unit are electrically connected with control module respectively and classification heating are provided with, satisfy device can be more than 45 ℃ under the standard of hot water by supply in 365 days 24 hours, make device can utilize solar energy heating as much as possible, just utilize the heating of heat pump energy source or peak valley electric energy then, and obtain least cost, heat in advance with the made hot water of the mode of classification heating by time-sharing work and can realize energy storage and timesharing supply by different set temperature grade hot water; And since the stepped-heating type boiler that confluxes be connected with energy-accumulating water tank, can be stored in stepped-heating type water tank and the energy-accumulating water tank respectively after the classified heating of made quantitative hot water, and the separable setting of energy-accumulating water tank, the volume of energy-accumulating water tank can be reduced significantly, and the installation adaptability of hot water apparatus enlarges; And when the solar thermal collector erection space is not enough, can the heat collector output water temperature be set to promote collecting efficiency, compared with prior art, can reach higher solar energy utilization ratio and lower operating cost, can also significantly reduce device cost is set by secondary temperature.
Description of drawings
Fig. 1 is the apparatus structure schematic diagram of one of the utility model Application Example;
Fig. 2 is two an apparatus structure schematic diagram of the utility model Application Example;
Fig. 3 is three an apparatus structure schematic diagram of the utility model Application Example;
Fig. 4 is four an apparatus structure schematic diagram of the utility model Application Example;
The specific embodiment:
The hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage of the utility model can be described further by following examples:
Referring to shown in Figure 1 be the apparatus structure signal of one of the utility model Application Example, comprise solar thermal collector 1, control module 2, heat pump 3, storage tank 4, booster pump 5, heating water tank 6, electric heater unit 7, electric-controlled switch valve 8 etc.
Wherein, heating water tank 6 is stepped-heating type water tanks, the stepped-heating type water tank is made up of 2 or above stepped-heating type water tank 611 and 612, stepped-heating type water tank 611 is the stepped-heating type boilers that conflux, stepped-heating type water tank 612 is stepped-heating type warm water heat storage water tanks, stepped-heating type water tank 611 also comprises stepped-heating type heat collector cyclic heating water tank 610 and the stepped-heating type boiler 611 that confluxes, before stepped-heating type boiler 611 and 612 is arranged on whole warm storage tank 4, each other by classification heating-up temperature order promptly: the low slightly heat collector cyclic heating water tank 611 of heating-up temperature is preceding, heating-up temperature slightly high 612 after, heat collector cyclic heating water tank 611 with 612 be connected by the road between warm storage tank eventually.Water tank can also adopt the combined type water tank of the energy storage heating that the heating water tank announced by CN2544229Y and heat storage water tank form.
Solar thermal collector 1 is provided with the classification heating that heat pump 3 can be formed different temperatures, solar thermal collector 1 and heat pump 3 classifications heating is provided with the classification that is constituted and adds thermal output and be connected by the road with corresponding stepped-heating type water tank 6, described electric heater unit comprises electrical heating elements and electric heating pump, can be provided with electrical heating elements 7 in the stepped-heating type water tank, solar thermal collector, storage tank, water pump, heating water tank, the heat pump start-up control, electric-controlled switch valve and electrical heating elements etc. are connected with control module 2 electric control respectively, are stored in more than one energy-accumulating water tank after the classified heating of made quantitative hot water respectively and comprise in stepped-heating type warm water heat storage water tank 612 and the whole warm storage tank 4.
Described stepped-heating type boiler can comprise stepped-heating type heat collector cyclic heating water tank 610 and the stepped-heating type boiler 611 that confluxes, secondary hot water after solar thermal collector heating enters the stepped-heating type boiler 611 that confluxes behind several stepped-heating type heat collector cyclic heating water tanks 610, infeeding eventually warm storage tank 4 through the electric-controlled switch valve 8 shown in Fig. 1 and connecting line when becoming 45 ℃ of whole warm waters stores, or when warm storage tank water is full eventually, be arranged to whole temperature or secondary temperature hot water and enter stepped-heating type warm water heat storage water tank 612 through the electric-controlled switch valve 8 of parallel connection and connecting line and store for future use, and heat pump is made further heat temperature raising after the eventually warm storage tank 4 of the heat pump bypass conduit input shown in Fig. 1 stores at any time.When solar energy is not enough or solar thermal collector erection space when not enough, can be arranged on about 30 ℃-40 ℃ from the hot water temperature of heat collector output, enter again in the stepped-heating type warm water heat storage water tank 612 as secondary hot water output and store for future use, and but heat pump is done to import eventually warm storage tank 4 storages behind the further heat temperature raising, for this reason, stepped-heating type warm water heat storage water tank all can have tube connector and the booster pump 5 that hot water is exported with whole warm storage tank 4, the hot water of stepped-heating type warm water heat storage water tank cooperates to warm storage tank eventually through check valve and replenishes, or after rearmounted heat pump to the whole warm water of eventually warm storage tank supply.
Described heat pump 3 is air source heat pumps, its heat source is airborne thermal source, in addition also can be different heat pump such as water resource heat pump or earth source heat pump or its combinations, as: adopt and utilize of water resource heat pump and the air source heat pump combination of building sanitary wastewater for heat source.Described heat pump 3 comprises one or above classification heating heat pump, at this, 2 classification heating heat pumps 311 and 312 have been adopted, all be configured between stepped-heating type water tank and the whole warm storage tank as on the stepped-heating type water tank and outside the water tank, wherein, preposition classification heating heat pump 311 and the stepped-heating type boiler 611 that confluxes links to each other, rearmounted classification heating heat pump 312 classified heated type warm water heat storage water tanks 612 link to each other with whole warm storage tank, form being connected in series indirectly as shown in Figure 1 between 2 classifications heating heat pump, in addition, heat pump also can form direct or indirect being connected in parallel.The quantitative hot water that design is determined partly accounts for about the 80%-90% of secondary output stepped-heating type warm water heat storage water tank or whole warm heat storage water tank volume.The output circulation line that also can connect heating or air-conditioning refrigerating hot water between the stepped-heating type water tank through heat exchanger.
The apparatus for heating water by solar energy of being made up of solar thermal collector etc. comprises heat exchange circulation line etc., and its pipeline connects and comprise single flow, loop back streaming or the pipeline of its combination connects, and at this, can adopt Natural Circulation reverse-flow type pipeline to connect.Hot water manufacturing process is through solar thermal collector, or heat pump, or electric heater unit carries out the combination of classification heating respectively, comprised the method that adopts solar thermal collector to heat, the method of the method for heat pump and electric heater unit heating, wherein, the sunlight sky adopts solar thermal collector to heat, the peak valley electricity period at night can adopt electric heating pump to heat, the non-peak valley electricity period of no sunlight can select to adopt different heat pumps to heat and energy storage according to quantitative hot water reserves, peak valley electricity period night in winter can adopt electric heater unit to heat when making the heat pump cisco unity malfunction because of crossed by environment temperature to hang down to influence.In addition, when not having electric supply condition, the electrical heating that also can adopt combustion gas heating as gas-fired heat pump to substitute electric heater unit forms makes up.
Periodically classification is heated and is stored in stepped-heating type after prepared quantitative hot water amount can make respectively in advance and confluxes and be used as the supply of timesharing hot water in boiler and the energy-accumulating water tank.The constant temperature hot water amounts that prepared quantitative hot water amount is meant second day morning, two peak valleys required assurance timesharing supplies between the electricity period in evening are heated in described periodicity classification.Described constant temperature is meant that the utility model is suitable for the heat outputting coolant-temperature gage of stipulating in the ground apparatus for heating water by solar energy technical standard.Be suitable for ground China, should adopt the hot water output temperature according to existing technology new standard is 45 ℃, in addition, the classified heated type warm water of hot water apparatus heat storage water tank 612 can also be by supplying secondary temperature life washing hot water as 30 ℃-40 ℃ in 365 days 24 hours, store in two water tanks of quantitative hot water and all have temperature and level sensor, store the management of water through the control program of control module 2.
The three-dimensional solar heat collector that but solar thermal collector 1 is a metope to be installed and used, as the technical scheme that adopts CN2558931Y to announce, can avoid like this image appearance of building is produced destruction, the heat collector of standing installation simultaneously can satisfy perpendicular the putting of metope high thermal efficiency output steady in a long-term is installed down, it also is the perpendicular key of putting the installation aspect of metope, the three-dimensional solar heat collector can be that perpendicular putting installed or tilting installation or level installation or its combination, at this, adopted perpendicular combination of putting installation and tilting installation.
Described water tank comprises that heating water tank and heat storage water tank etc. are with or without energy storage material, except the positive displacement water tank that adopts common single formula, also can adopt the parallel water tank of displacement type water heater, detailed content can be referring to " the parallel water tank of a kind of displacement type water heater " that CN2656881Y announced.
Referring to shown in Figure 2 be two the apparatus structure signal of the utility model Application Example, comprise solar thermal collector 1, control module 2, heat pump 3, warm storage tank 4, booster pump 5, heating water tank 6, electric heater unit 7, electric-controlled switch valve 8 etc. eventually.Wherein, form the classification heating setting of different temperatures between the solar thermal collector 1 and with 3 of heat pumps, solar thermal collector classification heating is provided with 2 classifications that constituted and adds thermal output and be connected by the road with 611 with corresponding stepped-heating type water tank 610, can be provided with electrical heating elements 7 in the stepped-heating type water tank, form classification that the classification heater configuration of different temperatures constitutes between solar thermal collector and heat pump and add thermal output and be connected by the road with corresponding stepped-heating type water tank 6.
It is to have comprised the output of the circulation heated type of stepped-heating type water tank and the output of stepped-heating type water tank is done the output of direct-heating type that described classification adds thermal output.Solar thermal collector, storage tank, water pump, heating water tank, heat pump and electric heater unit etc. are connected with control module 2 electric control respectively, are stored in respectively after the classified heating of made quantitative hot water in stepped-heating type warm water heat storage water tank 612 and the whole warm storage tank 4.
Water tank is the combined type water tank that adopts the energy storage heating that heating water tank and heat storage water tank form, wherein, heating water tank 6 is stepped-heating type water tanks, the stepped-heating type water tank is by 3 stepped-heating type water tanks 610,611 and 612 compositions, before stepped-heating type warm water heat storage water tank is arranged on whole warm heat storage water tank or heat storage water tank 4, wherein, the heat collector cyclic heating water tank can be one or more than, as Fig. 2, shown in Figure 3, when a plurality of heat collector cyclic heating water tanks are connected in series mutually, last heat collector cyclic heating water tank 611 also is simultaneously the stepped-heating type boiler that confluxes, the classification heating that stepped-heating type heat collector cyclic heating water tank 610 and 611 constitutes between solar thermal collector each other is provided with, and and 3 of heat pumps form classification heating setting again, each other promptly by classification heating-up temperature order: heating-up temperature low slightly preceding, heating-up temperature slightly high after, stepped-heating type water tank 611 is connected between warm storage tank respectively with eventually by the road with 612.
The classified heated type heat collector of elementary hot water cyclic heating water tank 610 after the solar thermal collector heating enter stepped-heating type heat collector cyclic heating water tank or the boiler 611 that confluxes through heat temperature raising again such as supporting heat pump or electric heater unit, infeed eventually warm storage tank 4 storages after becoming whole warm water, or when warm storage tank 4 water are full eventually, being arranged to whole temperature or secondary hot water temperature enters stepped-heating type warm water heat storage water tank 612 and stores for future use, at this moment, stepped-heating type warm water heat storage water tank also can be converted as whole warm heat storage water tank, make the hot water storage ability of device obtain nearly raising doubly, and the eventually warm storage tank 4 of input stored after heat pump was made further heat temperature raising at any time, for this reason, stepped-heating type warm water heat storage water tank 612 all can have water supply tube connector and the booster pump 5 that hot water is exported with whole warm storage tank 4, the hot water of stepped-heating type warm water heat storage water tank 612 cooperates and can replenish to warm storage tank eventually through the bypass conduit of parallel connection and check valve, or after rearmounted heat pump to the whole warm water of eventually warm storage tank supply.
Heat pump 3 comprises 1 or above classification heating heat pump, at this, having adopted 2 classification heating heat pumps 311 and 312 to constitute directly is connected in series, also can adopt a double stage heat pump to make equivalent substitution, so just, can adapt in the winter time and utilize the directly whole warm water's output of classification heating making of low ebb electricity under the low temperature situation, in addition, the electric heating pump that adopts when winter is during because of the low temperature cisco unity malfunction, just carry out the classification heating by the electrical heating elements in the stepped-heating type boiler and substitute, classification heating heat pump all is arranged between stepped-heating type warm water heat storage water tank 612 and the whole warm storage tank 4.
The installation of solar thermal collector 1 is to adopt the perpendicular combination of installing with tilting installation of putting, get as major part that metope is perpendicular puts installation, fraction is got the combination of the tilting installation of roofing, the apparatus for heating water by solar energy of being made up of solar thermal collector etc. comprises heat exchange circulation line etc., it is the pipeline connection of forced circulation reverse-flow type that its pipeline connects, wherein, the classification heating that solar thermal collector 1 can be formed different temperatures is provided with, classification heating as 2 different temperatures is provided with, form each other being connected in series as shown in Figure 2, the heat collector of lower temperature output is preceding, the heat collector of higher temperature output after, directly sending into eventually warm storage tank 4 through this classification heated hot water stores, when solar energy is not enough, can send in the stepped-heating type warm water heat storage water tank 612 and store for future use, but and heat pump make further heat temperature raising after the eventually warm storage tank 4 of input store.
Referring to shown in Figure 3 be three the apparatus structure signal of the utility model Application Example, comprise solar thermal collector 1, control module 2, heat pump 3, warm storage tank 4, booster pump 5, heating water tank 6, electrical heating elements 7 etc. eventually.Wherein, solar thermal collector 1 is provided with the classification heating that heat pump 3 can be formed different temperatures, solar thermal collector and heat pump classification heating is provided with the classification that is constituted and adds thermal output and be connected by the road with corresponding stepped-heating type water tank 6, the configurable electrical heating elements 7 of stepped-heating type water tank, solar thermal collector, storage tank, water pump, heating water tank, heat pump and electrical heating elements etc. are connected with control module 2 electric control respectively, are stored in respectively after the classified heating of made quantitative hot water in stepped-heating type warm water heat storage water tank 612 and the whole warm storage tank 4.
Water tank adopts heating water tank and heat storage water tank to form, wherein, heating water tank 6 is stepped-heating type water tanks, the stepped-heating type water tank is made up of 2 stepped-heating type water tanks 611 and 612, before all being arranged on whole warm storage tank 4, the low slightly stepped-heating type heat collector cyclic heating water tank 611 of heating-up temperature stepped-heating type preceding, that heating-up temperature is slightly high conflux boiler 612 after, stepped-heating type water tank 611 with 612 be connected by the road between warm storage tank eventually.
Whole warm water's hot water after the solar thermal collector heating is through directly eventually warm storage tank 4 storages of input of control module 2 controls, when solar energy is not enough or solar thermal collector erection space when not enough, the secondary hot water of making is input in the stepped-heating type warm water heat storage water tank 612 and stores for future use, but and heat pump make further heat temperature raising after the eventually warm storage tank 4 of input store.
Heat pump 3 comprises the air source heat pump of 2 classification heating, all series connection is arranged between stepped-heating type warm water heat storage water tank and the whole warm storage tank, wherein, preposition classification heating heat pump 311 links to each other with stepped-heating type warm water heat storage water tank 611, and rearmounted classification heating heat pump 312 links to each other with whole warm storage tank.
Solar thermal collector 1 is the perpendicular three-dimensional solar heat collector of installing and using of putting of metope, can avoid like this image appearance of building is produced destruction, the apparatus for heating water by solar energy of being made up of solar thermal collector etc. comprises heat exchange circulation line etc., and its pipeline connects the pipeline that adopts the Natural Circulation reverse-flow type and connects.Be stored in after quantitative hot water is made in advance and be used as the supply of timesharing hot water in the water tank, store in two water tanks of quantitative hot water and all have temperature and level sensor, store the management of water through the control program of control module 2, in addition, two water tanks that store quantitative hot water are except adopting the positive displacement water tank of common single formula, also all can adopt the parallel water tank of displacement type water heater, thereby can select for use favourable size shape to reduce the floor space of water tank.
Referring to shown in Figure 4 be four the apparatus structure signal of the utility model Application Example, comprise solar thermal collector 1, control module 2, heat pump 3, warm storage tank 4, booster pump 5, heating water tank 6, electric heater unit 7 etc. eventually.Wherein, the classification heating that solar thermal collector 1 is formed different temperatures is provided with, simultaneously, solar thermal collector 1 is also formed the classification heating setting of different temperatures with heat pump 3, solar thermal collector classification heating is provided with the classification that is constituted and adds thermal output, and solar thermal collector and heat pump classification are heated and the classification that is constituted is set is added the classified heated type of the thermal output boiler that confluxes and be connected by the road with corresponding heat storage water tank respectively, can be provided with electrical heating elements 7 in the stepped-heating type water tank, solar thermal collector, storage tank, water pump, heating water tank, heat pump and electrical heating elements etc. are connected with control module 2 electric control respectively, are stored in respectively after the classified heating of made quantitative hot water in stepped-heating type warm water heat storage water tank 612 and the whole warm storage tank 4.
Solar thermal collector 1 is the tilting two-dimentional solar heat collector of installing and using, the apparatus for heating water by solar energy of being made up of solar thermal collector etc. comprises heat exchange circulation line etc., its pipeline connects and comprises single flow, loops back streaming or the connection of the pipeline of its combination, at this, can adopt forced circulation reverse-flow type pipeline to connect.
The combined type water tank that the energy storage that water tank adopts heating water tank and heat storage water tank to form is heated, wherein, heating water tank 6 is stepped-heating type water tanks, the stepped-heating type water tank is made up of 3 heat collector cyclic heating water tanks 610,611 and 612, before stepped-heating type warm water heat storage water tank is arranged on whole warm storage tank 4, be provided with in proper order by the classification heating-up temperature each other, be connected by the road between warm storage tank with end, stepped-heating type warm water heat storage water tank all can have the booster pump 5 that hot water is exported with whole warm storage tank 4.
Described stepped-heating type boiler can comprise stepped-heating type water tank 610 and 611, after confluxing boiler 611, the classified heated type of elementary hot water after the solar thermal collector heating sends into stepped-heating type warm water heat storage water tank 612, whole warm water after the heating is through directly eventually warm storage tank 4 storages of input of control module 2 controls, when solar energy is not enough or the secondary hot water made when not enough of solar thermal collector erection space be input in the stepped-heating type warm water heat storage water tank 612 and store for future use, but and heat pump make further heat temperature raising after the eventually warm storage tank 4 of input store.Be stored in after quantitative hot water is made in advance and be used as the supply of timesharing hot water in the water tank, store in two water tanks of quantitative hot water and all have temperature and level sensor, store the management of water through the control program of control module 2.
Heat pump 3 has adopted 2 classification heating heat pumps 311 and 312, all be arranged between stepped-heating type boiler and the whole warm storage tank, wherein, preposition classification heating heat pump 311 links to each other with stepped-heating type warm water heat storage water tank 611, rearmounted classification heating heat pump 312 is arranged between stepped-heating type warm water heat storage water tank and whole warm storage tank, form being connected in series indirectly as shown in Figure 4 between 2 classifications heating heat pump, what all the other settings can be with embodiment is three identical.
The use and the operation principle of method of the present utility model and device are as follows: shining upon down, adopt solar thermal collector that the water in the classification heating water tank is heated, at the preferential heat pump that adopts of paddy electricity period at night the water of classification heating water tank is heated, environment temperature is crossed when hanging down the electric heating pump cisco unity malfunction in the winter time, adopting electrical heating elements or gas-fired heat pump to substitute electric heating pump heats, be stored in after quantitative hot water is made in advance and be used as the supply of timesharing hot water in the water tank, only supply second day early, the constant temperature hot water amount of two peak valley required assurance timesharing supplies between the electricity period in evening.
After the heat collector of apparatus for heating water by solar energy absorbs solar energy, through its circulating heat exchanging pipe and the heat exchange of stepped-heating type heat collector cyclic water tank, the water in the heating water tank; When overcast and rainy or winter, the solar thermal collector collecting efficiency reduces, the quantitative hot water reserves deficiency of supply next cycle in the storage tank 4, at this moment, can continue the water in the water tank is heated through heat pump in the paddy electricity period at night, peak valley electricity period night in winter crosses low the influence when making the electric heating pump cisco unity malfunction because of being subjected to environment temperature, can adopt electrical heating elements in the classification heating water tank to substitute and heat.The prefabricated quantitative hot water amount of heating that the peak valley electricity period is finished when finishing only is second day morning, the constant temperature hot water amount of two peak valley required assurance timesharing supplies between the electricity period in evening, this water yield only accounts for the 80%-90% of stepped-heating type warm water heat storage water tank or whole warm heat storage water tank volume, therefore guaranteed that its storage capacity when the sun sets is large enough to hold the warm water that solar thermal collector and heat collector cyclic heating water tank and stepped-heating type conflux and discharge in the boiler, can not influence second day solar thermal collector and continue the efficient that classification is heated, when warm storage tank water is full eventually, preposition classification hot water output transfers to the whole warm water of stepped-heating type warm water heat storage water tank 612 storages, can replenish to whole warm storage tank through the delivery pump of bypass conduit when needing, or when sun deficiency or solar thermal collector erection space deficiency, then earlier carry secondary hot water storage standby to stepped-heating type warm water heat storage water tank 612, and can be at any time or after low ebb electricity period heat pump is made further heat temperature raising by the time the eventually warm storage tank of input store; The non-peak valley electricity period of no sunlight can be provided with demand according to quantitative hot water reserves and adopt heat pump and stored hot water.Because being provided with preposition heat collector cyclic heating water tank also is the stepped-heating type boiler that confluxes at this simultaneously, make rearmounted stepped-heating type warm water heat storage water tank 612 and whole warm storage tank 4 can be arranged on indoor or not influence the building level surface that carries is installed, avoided the roof that unfavorable factor and bearing capacity restriction are installed, for the installation of solar thermal collector has saved more area, and the workload and the difficulty that make the water tank roof install reduce greatly, simultaneously, appearance effects to building also greatly reduces, therefore, the application of this hot water apparatus and installation adaptability are expanded.
Hot water under-reserve in sunlight sky storage tank, as during the corresponding Minimum requirements water level that is lower than that certain sets period, and when the water storage temperature is also less than 45 ℃ in the stepped-heating type warm water heat storage water tank 612, control module just starts rearmounted heat pump and carries out emergent immediately heating water storage, so just can guarantee 365 days 24 hours through the hot water of eventually warm storage tank supply more than 45 ℃, in addition, the classified heated type warm water of hot water apparatus heat storage water tank 612 can also be supplied secondary temperature as 30 ℃-40 ℃ hot water, under the condition of farthest utilizing solar energy for the master, use electric energy power supply heat pump of electric period of paddy at night or electrical heating elements heating, reduce peak in the existing electrical network, intersegmental load difference during paddy.
In addition, the classification heating that device adopts is provided with, and can make when the solar thermal collector erection space is not enough, adopts the heat collector operating temperature to be set to secondary output temperature, like this, can improve collector efficiency to a greater degree, compensation heat collector erection space deficiency; Being provided with stepped-heating type warm water heat storage water tank makes device can store secondary or whole level hot water, the storage tank size is reduced, and make storage tank separate setting with the roof, avoid problems such as bearing capacity that the roof installs and appearance effects, but can also increase the heat collector erection space, reduce device cost and the installation adaptability that has enlarged hot water apparatus are set.
What prior art adopted is that solar energy heating and earth source heat pump are supplementary energy, both carry out heat supply, cooling after connecting with the accumulation of energy water tank respectively, the accumulation of energy water tank that it adopts comprises hot hydroecium and cold water chamber, separate with heat-insulating material between the two, therefore the making of its hot water and the use of hot water are real-time systems, can't reach by annual 45 ℃ of requirements that design specified hot water amount of securing an adequate supply in 365 days 24 hours; Though assist the Electric heating that adds the thermal recovery earth source heat pump energy-conservation, but because accumulation of energy water tank hot hydroecium volume is big, the sun is not enough or the water on the overcast and rainy same day is realized by instant heating, and what this Electric heating mainly consumed is the high price power supply of non-peak valley electricity period, and energy consumption structure is unreasonable; Again because it adopts the mode that increases the heat storage water tank volume to come energy storage, then the latter half of heat storage water tank is the lower water of temperature all the time, pollute water supply except being easy to generate bacterial reproduction, adopt dual mode to heat and also be easy to generate cold and hot mixed water, producing water efficient reduces, the energy storage weak effect, the volume waste of the effective heat accumulation of water tank is very big, hot hydroecium and cold water chamber independently are provided with by season separately and use in addition, make its utilization rate reduce greatly, it is too high that cost is set, and adaptability is installed in influence on the roof, when the heat collector thermal efficiency because of being subjected to water temperature and raising or during the adverse effect of erection space restriction, operating cost being higher.
Time sharing system is adopted in the making of the utility model hot water and the use of hot water, promptly heat and be stored in stepped-heating type after prepared quantitative hot water can be made in advance and conflux and be used as the timesharing hot water supply of next cycle in boiler and the energy-accumulating water tank through the periodicity classification, be to be stored in the timesharing supply that is used as different temperatures grade hot water in the energy-accumulating water tank after quantitative hot water is made in advance, only supply second day early, the constant temperature hot water amount of two peak valley required assurance timesharing supplies between the electricity period in evening, the prefabricated quantitative hot water amount of heating that the peak valley electricity period is finished when finishing can be second day morning, the constant temperature hot water amount of two peak valley required assurance timesharing supplies between the electricity period in evening, this water yield accounts for the 80%-90% of warm heat storage water tank volume eventually, and second day morning, evening, two peak valleys were between the electricity period, promptly heat and be stored in stepped-heating type again repeatablely after prepared quantitative hot water is made in advance and conflux and be used as the timesharing hot water supply of next cycle in boiler and the energy-accumulating water tank, compared with prior art realized energy storage satisfactorily and reduced the problem of operating cost through the periodicity classification.
Because water tank is made up of conflux boiler and energy-accumulating water tank of stepped-heating type heat collector cyclic heating water tank, stepped-heating type, whole warm water stores separately, has exempted cold and hot mixed water problems, and the volume of the effective heat accumulation of water tank is big, does not produce waste; In addition, being provided with stepped-heating type being also advantageous in that of boiler of confluxing shortens the circulating heat-collecting tube road between preposition solar thermal collector and its cyclic heating water tank greatly, heat exchange circulates resistance and can descend significantly, and solar thermal collector cyclic heating water tank and the stepped-heating type mode that circulating heat-collecting tube road between boiler carried by the clearance-type that dropped with top water single tube of confluxing replaces, heat collecting pipeline insulation heat waste in former this part hot water circuit transmission can be exempted, the remarkable thermal efficiency of lifting device has thus exceeded thermal-arrest and heat transfer efficiency that prior art adopts the solar thermal collector heating.
Because of solar thermal collector, water pump, the start-up control of heat pump and electric heater unit are electrically connected with control module respectively, and solar thermal collector is connected with stepped-heating type heat collector cyclic heating water tank, stepped-heating type heat collector cyclic heating water tank and the stepped-heating type boiler that confluxes is connected, the stepped-heating type boiler that confluxes is connected with energy-accumulating water tank, heat pump, electric heater unit and water tank phase configuration, device can select to adopt the sunlight sky all to adopt solar thermal collector to heat and stored hot water, shining upon down, adopt solar thermal collector that the water in the stepped-heating type heat collector cyclic heating water tank is heated, to night the peak valley electricity can adopt heat pump the warm water of above-mentioned water tank to be carried out supplementary heating and stored hot water the period by the classification heating, or can preferentially adopt electric heater unit to comprise that electric heating pump carries out above-mentioned heating, environment temperature is crossed and is hanged down when adopting the electric heating pump cisco unity malfunction in the winter time, also can adopt electrical heating elements to substitute electric heating pump heats, and can fully use electric energy power supply heat pump or the electric heater unit heating of paddy electricity period at night, improved peak in the existing electrical network, intersegmental balancing the load during paddy, compared with prior art, can satisfy the requirement that guarantees the hot water of timesharing in 24 hours in 365 days supply more than 45 ℃.
In addition, the above-mentioned classification heating of device is provided with and can makes when the solar thermal collector erection space is not enough, can adopt the heat collector operating temperature to be set to secondaryly heat output temperature and utilize heat pump to carry out the pattern of supplementary heating again, like this, can improve collector efficiency to a greater degree, compensation heat collector erection space deficiency is compared with the prior art the solar energy utilization ratio and the auxiliary heat utilization efficiency that adds of low ebb electricity that reach higher; And, after the classification heating that device adopts is provided with, single energy-accumulating water tank size can reduce, and can leave the roof setting, compared with prior art can avoid problems such as bearing capacity that the roof installs and appearance effects, but make former roof tank area occupied become the solar thermal collector erection space more, reduced device cost and the installation adaptability that has enlarged hot water apparatus are set.
Boiler is connected with energy-accumulating water tank because stepped-heating type confluxes, energy-accumulating water tank is divided into the stepped-heating type warm water heat storage water tank and whole warm heat storage water tank that split up and down in parallel is provided with, compared with prior art, can also store and supply secondary temperature as 30 ℃-40 ℃ life washing hot water, can store to reclaim in the whole warm water more than 45 ℃ in assurance winter and not reach the secondary warm water supply that whole warm water requires, stepped-heating type warm water heat storage water tank can be converted to eventually warm heat storage water tank summer and use the unnecessary heat of storage, realize that winter is to obtain maximum collecting efficiency, summer is to obtain the equipment energy characteristic of maximum heat storage capacity; Because the hot water storage ability of device can obtain nearly raising doubly, guaranteed that its storage capacity when the sun sets is large enough to hold the warm water that solar thermal collector and heat collector cyclic heating water tank and stepped-heating type conflux and discharge in the boiler, so just can not influence the heating and the heat exchange efficiency of second day solar thermal collector, make device utilize solar energy to reduce operating cost as much as possible, increased collecting efficiency and the ability of exporting different temperatures hot water of promoting than prior art.
In addition, being provided with stepped-heating type warm water heat storage water tank makes device can store secondary or whole level hot water, like this, can also be provided with in the non-peak valley electricity period of no sunlight that demand is selected to adopt heat pump meet an urgent need to heat and the water tank energy storage is made ready for accidents according to quantitative hot water reserves, at any time replenish or heat up to whole warm storage tank and send water, guarantees to supply hot water more than 45 ℃ by the minimum operation cost in 365 days 24 hours.

Claims (8)

1. the hot water apparatus of a solar energy-heat pump stepped-heating type energy-storage, by solar thermal collector, water pump, heat pump, electric heater unit, composition such as water tank and control module, it is characterized in that, described water tank is by the heat collector cyclic heating water tank, conflux boiler and energy-accumulating water tank of stepped-heating type formed, solar thermal collector is connected with the heat collector cyclic heating water tank, heat collector cyclic heating water tank and the stepped-heating type boiler that confluxes is connected, the stepped-heating type boiler that confluxes is connected with energy-accumulating water tank, heat pump, electric heater unit and water tank phase configuration, solar thermal collector, water pump, the start-up control of heat pump and electric heater unit are electrically connected with control module respectively.
2. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1, it is characterized in that, described energy-accumulating water tank is more than one water tank, energy-accumulating water tank comprises stepped-heating type warm water heat storage water tank and whole warm heat storage water tank, and stepped-heating type being connected between boiler and stepped-heating type warm water heat storage water tank and end warm heat storage water tank of confluxing is to be connected in parallel.
3. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1, it is characterized in that, described heat collector cyclic heating water tank can be one or more than, one or above heat collector cyclic heating water tank last heat collector cyclic heating water tank after interconnecting be the double as stepped-heating type boiler that confluxes simultaneously.
4. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1 is characterized in that, described heat pump, electric heater unit and water tank phase configuration are to reach outside the water tank to be provided with heat pump or electric heater unit on the stepped-heating type water tank.
5. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1, it is characterized in that, described heat pump is to comprise one or more heat pump, one or more heat pump is configured in and comprises that the stepped-heating type boiler that confluxes goes up and form classification heating heat pump between the two with whole warm storage tank, and can form direct or indirect being connected in series between the classification heating heat pump.
6. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1, it is characterized in that, described stepped-heating type warm water heat storage water tank with eventually also can be provided with the bypass conduit in parallel between warm heat storage water tank with it, have on this bypass conduit from stepped-heating type warm water heat storage water tank to eventually warm heat storage water tank supplies water or heating is supplied water check valve.
7. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1 and 2, it is characterized in that described stepped-heating type conflux boiler and stepped-heating type warm water heat storage water tank and be equipped with the electric-controlled switch valve on the supply channel that is connected in parallel between warm heat storage water tank eventually.
8. the hot water apparatus of a kind of solar energy-heat pump stepped-heating type energy-storage according to claim 1, it is characterized in that, be equipped with the output tube connector that supplies water on described stepped-heating type warm water heat storage water tank and the whole warm heat storage water tank, also the hot water booster pump can be set on this water supply output tube connector.
CN 200620047262 2006-10-30 2006-10-30 Hot-water apparatus of solar energy-heat pump classified heating type energy conservation Expired - Fee Related CN201032223Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832590A (en) * 2009-03-13 2010-09-15 潘戈 Solar heating system and method thereof for heating and supplying hot water
CN101676637B (en) * 2008-09-19 2012-05-23 上海申通轨道交通研究咨询有限公司 Air source heat pump assisted solar water heating system applicable to rail transportation base
CN102997492A (en) * 2012-12-03 2013-03-27 华中科技大学 Solar hot water and air conditioner integrated heat utilization system
CN1892142B (en) * 2005-06-28 2013-09-04 潘戈 Solar, heat-pump composite, stepped-heating type energy-storage hot-water making method and special device
CN104033950A (en) * 2013-10-29 2014-09-10 安徽理工大学 Heat storing type solar ground source heat pump coupling system
CN104728916A (en) * 2015-02-26 2015-06-24 辽宁工业大学 Solar heating system adopting DDC multi-unit combined operation and method
CN107131552A (en) * 2017-05-19 2017-09-05 上海交通大学 A kind of solar energy composite heat power supply hot-water heating system and its control method
CN108458389A (en) * 2018-02-11 2018-08-28 合肥顺昌分布式能源综合应用技术有限公司 A kind of intelligence separate type heating system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1892142B (en) * 2005-06-28 2013-09-04 潘戈 Solar, heat-pump composite, stepped-heating type energy-storage hot-water making method and special device
CN101676637B (en) * 2008-09-19 2012-05-23 上海申通轨道交通研究咨询有限公司 Air source heat pump assisted solar water heating system applicable to rail transportation base
CN101832590A (en) * 2009-03-13 2010-09-15 潘戈 Solar heating system and method thereof for heating and supplying hot water
CN102997492A (en) * 2012-12-03 2013-03-27 华中科技大学 Solar hot water and air conditioner integrated heat utilization system
CN102997492B (en) * 2012-12-03 2015-04-15 华中科技大学 Solar hot water and air conditioner integrated heat utilization system
CN104033950A (en) * 2013-10-29 2014-09-10 安徽理工大学 Heat storing type solar ground source heat pump coupling system
CN104033950B (en) * 2013-10-29 2017-01-18 安徽理工大学 Heat storing type solar ground source heat pump coupling system
CN104728916A (en) * 2015-02-26 2015-06-24 辽宁工业大学 Solar heating system adopting DDC multi-unit combined operation and method
CN107131552A (en) * 2017-05-19 2017-09-05 上海交通大学 A kind of solar energy composite heat power supply hot-water heating system and its control method
CN108458389A (en) * 2018-02-11 2018-08-28 合肥顺昌分布式能源综合应用技术有限公司 A kind of intelligence separate type heating system

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