CN100554792C - Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system - Google Patents
Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system Download PDFInfo
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- CN100554792C CN100554792C CN 200610123439 CN200610123439A CN100554792C CN 100554792 C CN100554792 C CN 100554792C CN 200610123439 CN200610123439 CN 200610123439 CN 200610123439 A CN200610123439 A CN 200610123439A CN 100554792 C CN100554792 C CN 100554792C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
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Abstract
Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system, can make full use of solar energy and when sunlight is not enough, utilize heat pump to produce hot water, its objective is the reduction power consumption, its principle is to determine the mode of operation of system according to the temperature signal on the solar heat-collection plate: during the solar energy heating pattern, entry is heated to a certain temperature at the thermal-arrest plate, through entering heating water tank behind the thermal-arrest plate, reach designated water level until the heating water tank water level, if water temperature does not reach design temperature, restart the heat pump pattern; During the heat pump pattern, the thermal-arrest plate becomes the indirect evaporation device, absorbs the heat energy of media such as sunlight, air and rainwater from the external world, prepares hot water efficiently.With the system that this method constituted, energy consumption is below 20% of gas heater or electric heater only, and operating cost is low; Have advantages such as simple in structure, environment-friendly high-efficiency, cost be low, safe and reliable simultaneously, have good value for applications.
Description
Affiliated technical field
The present invention relates to a kind of solar heat radiation and heat energy such as air and rainwater of making full use of, prepare the method and the hot-water heating system thereof of hot water with lower cost, particularly relate to the compound heat hot water device of a kind of heat pump-solar energy with solar heat-collection plate and water source heat pump water heater.
Background technology
At present, the water heater product mainly contains gas heater, electric heater, solar water heater, Teat pump boiler.Their existing oneself advantages have the shortcoming of oneself again.Gas heater uses most convenient, plug and play, but poor safety performance, install and use improper meeting and cause anthracemia, the danger that blast is arranged and catch fire, seriously polluted, therefore on market, cause a part of consumer that it is not dared to inquire, area, Hong Kong has forbidden selling; Electric heater, the initial stage drops into little, and safety in utilization also can be accepted, but use cost is higher, and power consumption is too big;
Energy-saving hot water apparatus is solar energy and heat pump two big classes at present, along with the energy supply anxiety, more and more be subjected to user's welcome: though the solar water heater use cost is cheap, obtain government and advocate, but the initial stage input cost is big, it is bigger to be subjected to climatic effect, thermal source is single, reliability is relatively poor, can not round-the-clockly use again, causes many inconvenience of user; In recent years, the water heater that directly utilizes heat pump principle to make though average annual pyrogenicity efficient generally can reach more than 300%, can not directly utilize valuable solar energy again, and use cost is still than higher.At above problem, solar energy and heat pump two big series products organically can be combined, it is higher to design a kind of heating efficiency, safe and reliable, can guarantee that again the New-type water heater that the user uses has become the problem that presses for solution.
Summary of the invention
The method and system that the purpose of this invention is to provide more low-cost preparation hot water, solar energy and heat pump are organically combined, not only can directly utilize solar energy, simultaneously also can be at night and overcast and rainy production hot water, thereby reduce the power consumption of hot water production greatly, the electric energy of its hot water consumption per ton is reduced to about 6 kilowatt hours even lower.
The technical solution adopted for the present invention to solve the technical problems is: entry is when entering heating water tank, must be earlier through solar heat-collection plate, if this moment, the heat radiation of solar energy had the value of utilization, the temperature difference of thermal-arrest plate and running water has reached setting value, then system begins with the work of solar energy heating mode: by the control water compensating valve, make entry can in the thermal-arrest plate, fully absorb the radiant heat of the sun, when the leaving water temperature T3 of thermal-arrest plate end rises to a certain temperature, water compensating valve is opened, and the water that obtains solar energy and heat up is put into heating water tank; When the leaving water temperature T3 of thermal-arrest plate end drops to a certain temperature, water compensating valve is closed, so circulation is carried out, until heating water tank to high water level, system will according to this moment heating water tank water temperature whether reach design temperature and determine whether that needs start heat pump mode, if reached or surpassed design temperature, system-down then, begin with heating water tank to be transported to hot water storage tank standby; If do not reach design temperature, then system enters the heat pump mode of operation automatically, at this moment, compressor starts, and cycle set heat-exchanger pump and circulation heat pump start, and water compensating valve and water-delivery pump etc. is closed, after heating water to design temperature, shut down, begin with heating water tank to be transported to hot water storage tank standby; Heating water tank reduce to low water level under water the time, water-delivery pump is closed, water compensating valve begins moisturizing again, system repeats a course of work, constantly prepares hot water.
Entry is when entering heating water tank, earlier through solar heat-collection plate, if this moment, the heat radiation of solar energy did not have value, the temperature difference of thermal-arrest plate and entry does not reach setting value, then system begins with the work of heat pump pattern: water compensating valve is opened, entry directly enters heating water tank by the thermal-arrest plate, when it reaches high water level, heat pump starts, and at this moment, compressor starts, cycle set heat-exchanger pump and circulation heating pump start, water compensating valve and water-delivery pump etc. are closed, and shut down after heating water to design temperature, begin the delivery of heating water tank standby to hot water storage tank;
The device of realizing this purpose is by a kind of water source heat pump system efficiently, and parts such as solar heat-collection plate and pipeline, valve, pump are formed, water resource heat pump is similar to known refrigeration system, form by major parts such as refrigeration compressor, condenser, throttle pipe, evaporimeter and water circulating pumps, same quadrat method according to known refrigeration system is communicated with into closed system with above each several part successively with pipeline, fill in the system with suitable working medium (cold-producing medium), other has the work of electric controller in order to parts such as control compressor, water pumps.Solar heat-collection plate is similar with at present commercially available heat-collecting plate core, but is not incubated.
During system works, in solar heat-collection plate, absorb the radiations heat energy intensification of the sun earlier from the entry of running water pipe, enter heating water tank then, when water temperature does not reach design temperature, system begins with the work of heat pump pattern, water in the heating water tank is driven by the circulation heating pump, constantly obtains heat through condenser, until reaching design temperature.Thereby realized that the sun then absorbs solar energy, do not had the sun also can utilize the heat energy of media such as air and rainwater to heat the purpose of cold water.
The invention has the beneficial effects as follows that the ratio of consumed power (quantity of heat production with) can reach more than 3~4 times itself because the efficiency ratio of water resource heat pump, adds and adopts solar energy preheating water inlet.Therefore the comparable existing electric heater of this high-efficiency water heater system is energy-conservation more than 80%.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structure principle chart of the present invention.
1. compressors among the figure, 2. condenser, 3. throttle mechanism, 4. evaporimeter, 5. cycle set heat-exchanger pump, 6. solar heat-collection plate, 7. water compensating valve, 8. water-delivery pump, 9. heating water tank, 10. circulation heating pump.
The specific embodiment
The hot-water heating system that Teat pump boiler in Fig. 1 combines with solar water heater, it is made of water resource heat pump, solar heat-collection plate and water tube component etc., the similar known refrigeration system of water resource heat pump, form by major parts such as compressor 1, condenser 2, throttle mechanism 3, evaporimeter 4, cycle set heat-exchanger pump 5 and circulation heating pumps 10, same quadrat method according to known refrigeration system is communicated with into closed system with above each several part successively with pipeline, fills in the system with known working medium.Thermal-arrest plate and water resource heat pump are tied by diagramatic way, are connect mutually with magnetic valve by water pipe between thermal-arrest plate and heating water tank.
Water tube component comprises formations such as running water pipe, water compensating valve 7, water-delivery pump 8, cycle set heat-exchanger pump 5 and circulation heating pump 10, solar heat-collection plate 6 and evaporimeter 4.During heating water tank 9 water inlets, entry is through thermal-arrest plate 6, control system is according to the radiation temperature T1 of thermal-arrest plate and go into the open and close of the leaving water temperature T3 decision water compensating valve 7 of the temperature difference between the coolant-temperature gage, thermal-arrest plate end, when the heating water tank water level rises to high water level, water compensating valve 7 is closed, whether control system reaches this condition of design temperature and determines whether system begins to enter the heat pump pattern according to the water temperature of heating water tank this moment, as this moment water temperature met or exceeded design temperature, then do not start heat pump work, water-delivery pump 8 is opened, and hot water is exported stand-by; When this moment, water temperature did not reach design temperature, system will work with the heat pump pattern, compressor 1, cycle set heat-exchanger pump 5 and circulation heating pump 10 start at this moment, water compensating valve 7 is closed, when the water temperature of heating water tank 9 is increased to design temperature, compressor 1, cycle set heat-exchanger pump 5, circulation heating pump 10 and water compensating valve 7 are closed, and water-delivery pump 8 is opened, and hot water is exported stand-by.
Claims (2)
1, the method that combines with solar water heater of a kind of Teat pump boiler, it is characterized in that entry process solar heat-collection plate before entering heating water tank, when thermal-arrest plate irradiation temperature T1 is higher than entry temperature T 2 and reaches a certain setting degree, system works with the solar energy heating mode: by the control water compensating valve, make entry can in the thermal-arrest plate, fully absorb the radiant heat of the sun, when the leaving water temperature T3 of thermal-arrest plate end rises to a certain temperature, water compensating valve is opened, and the water that obtains solar energy and heat up is put into heating water tank; When the leaving water temperature T3 of thermal-arrest plate end drops to a certain temperature, water compensating valve is closed, so circulation is carried out, until heating water tank to high water level, if the water tank temperature T4 of this moment fails to reach design temperature, then system begins with heat pump mode work, and water inlet is closed, until the water in the heating water tank is heated to design temperature; When system can not reach the work of solar energy heating pattern, water compensating valve is opened, and entry enters heating water tank until reaching high water level by the thermal-arrest plate, and water compensating valve is closed, system begins with the work of heat pump pattern, until the water in the heating water tank is heated to design temperature.
2, the hot-water heating system that combines with solar water heater of a kind of Teat pump boiler, mainly formed by compressor, condenser, evaporimeter, throttling arrangement, solar heat-collection plate and corresponding pipeline, valve member and control element, it is characterized in that: the water heating in the heating water tank, finish by two kinds of approach, the preferential solar energy heating pattern of using is worked, next adopts the work of heat pump pattern, and supplementary heating is used for the user at last to design temperature; It is characterized in that: whether system works with the solar energy heating mode, depend on the radiation temperature of solar heat-collection plate and go into the temperature difference between the coolant-temperature gage, promptly this temperature difference is determined the mode of operation of system, and when this temperature difference reached setting value, system then began with the work of solar energy heating mode; When this temperature difference did not reach setting value, system was with the work of heat pump pattern, and entry enters heating water tank until reaching high water level by the thermal-arrest plate, and water compensating valve is closed, and operation of heat pump is until the water in the heating water tank is heated to design temperature.
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Families Citing this family (13)
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CN102444986B (en) * | 2010-09-30 | 2014-04-16 | 艾欧史密斯(中国)热水器有限公司 | Duel-energy-source hot water supply system for implementing economical operation and operation method thereof |
CN103411318A (en) * | 2013-07-11 | 2013-11-27 | 广西比迪光电科技工程有限责任公司 | Water source heat pump water heater collecting heat from solar energy and air energy |
CN104390375A (en) * | 2014-11-12 | 2015-03-04 | 柳州市同进汽车零部件制造有限公司 | Solar heating device |
CN104913514A (en) * | 2015-05-20 | 2015-09-16 | 湖南秋水长天环境能源科技有限公司 | Directly-heated type air source heat pump and solar period-divided constant-temperature constant-liquid-level control system |
CN105485759A (en) * | 2015-11-20 | 2016-04-13 | 北京工业大学 | Solar heat storage and supply and power generation system |
CN105423570B (en) * | 2015-12-08 | 2017-11-28 | 珠海格力电器股份有限公司 | Heating equipment control method and device |
CN106091438B (en) * | 2016-06-15 | 2018-12-25 | 广州大学 | A kind of parallel connection type solar heat pump hot-water system dynamic control method |
CN106016695B (en) * | 2016-06-22 | 2019-02-05 | 程思燕 | Automatically switch the water heater of heat source |
CN106352558A (en) * | 2016-08-25 | 2017-01-25 | 上海理工大学 | Solar instant heat pump water heater |
CN106352559B (en) * | 2016-09-29 | 2018-07-31 | 山东超越地源热泵科技有限公司 | A kind of the solar heat pump and water heating system and control method of automatic adjustment working medium charging amount |
CN107120833B (en) * | 2017-04-27 | 2020-06-09 | 东南大学 | Heat pump and heat pipe combined solar water heater control system and operation method |
CN107606693A (en) * | 2017-07-26 | 2018-01-19 | 珠海格力电器股份有限公司 | A kind of air-conditioning and its control method and device |
CN108679686B (en) * | 2018-05-21 | 2019-07-23 | 吉林建筑大学 | A kind of energy storage type heating system |
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