CN101178189A - Heat pump water heater and solar water heater combining method and hot-water system thereof - Google Patents

Heat pump water heater and solar water heater combining method and hot-water system thereof Download PDF

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Publication number
CN101178189A
CN101178189A CN 200610123439 CN200610123439A CN101178189A CN 101178189 A CN101178189 A CN 101178189A CN 200610123439 CN200610123439 CN 200610123439 CN 200610123439 A CN200610123439 A CN 200610123439A CN 101178189 A CN101178189 A CN 101178189A
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CN
China
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water
heating
temperature
thermal
pump
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CN 200610123439
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Chinese (zh)
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CN100554792C (en
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胡龙
林宏璋
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广州科力新能源有限公司
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Priority to CN 200610123439 priority Critical patent/CN100554792C/en
Publication of CN101178189A publication Critical patent/CN101178189A/en
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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 invention relates to a method for combining a thermal pump water heater with a solar water heater and a water heating system thereof, in particular to the method and the system thereof which can fully utilize the solar energy and utilize a thermal pump for heating when the sunshine is not enough. The invention aims at vastly decreasing the electricity consumption. The invention has the theory that a working mode of the water heating system, that is, a solar heating mode or a thermal pump heating mode, is determined according to a temperature signal on a solar thermal collection board. The cold water enters a water heating tank after passing through the thermal collection board. When the sunshine is enough, the cold water is heated on the thermal collection board to a certain temperature until the water level of the water heating tank reaches a preset water level; if the water temperature fails to reach the preset temperature, the thermal pump heating mode is started to heat the water to the preset temperature. When in the thermal pump working mode, the thermal collection board is used as an indirect evaporator of the system; the temperature of the thermal collection device is decreased so as to absorb the thermals of mediums such as sunshine, air and rain water, etc., from outside so as to supply the thermal pump system with thermal source to produce hot water with high efficiency. As the water heating system has a nearly limitless large EER when in solar heating mode and also has higher efficiency than other common wind source thermal pumps when in thermal pump working mode, the annually comprehensive heating efficiency of the system is far higher than that of a wind source thermal pump water heating system. The system of the invention only consumes less than 20 percent of energy consumptions of a gas water heater or an electric water heater, thereby being low in operation cost.

Description

Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system thereof

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: cold water 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 us and has set a certain value, then system begins with the work of solar energy pattern: water compensating valve (or pump) can be controlled the water temperature that enters heating water tank by holding and closing, thereby absorption solar energy, when the water level of heating water tank reaches 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, cycle set heat-exchanger pump and circulation heat pump start, water compensating valve (or pump) and water-delivery pump (or valve) etc. are closed, and shut down after heating water to design temperature, begin with heating water tank to be transported to hot water storage tank standby; When the water of heating water tank was delivered to low water level, water-delivery pump (or valve) was closed, and water intaking valve begins moisturizing again, and system repeats a course of work, constantly prepares hot water.

Cold water 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 running water has not reached us and has set a certain value, then system begins with heat pump mode work: water compensating valve (or pump) is opened, cold water 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 (or pump) and water-delivery pump (or valve) etc. are closed, and shut down after heating water to design temperature, begin with heating water tank to be transported to hot water storage tank standby;

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 cold water of running water pipe, enter heating water tank then, when water temperature does not reach design temperature, system begins with heat pump mode work, 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 (or pump), 8. water-delivery pump (or valve), 9. heating water tank, 10. circulation heating pump.

The specific embodiment

High-efficiency heat pump solar water heater system in Fig. 1, it is made of water resource heat pump, solar heat-collection plate and water tube component, the similar known refrigeration system of water resource heat pump, form by compressor (1), condenser (2), throttle mechanism (3), evaporimeter (4), cycle set heat-exchanger pump (5) and circulation heating pump major parts such as (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 running water pipe, water compensating valve (or pump) (7), water-delivery pump (or valve) (8), cycle set heat-exchanger pump (5) and circulation heating pump (10), solar heat-collection plate (6) and evaporimeter formations such as (4).During heating water tank (9) water inlet, cold water is through thermal-arrest plate (6), control system is according to the open and close of the heat-collecting temperature decision water compensating valve (or pump) (7) of thermal-arrest plate, when the heating water tank water level rises to high water level, water compensating valve (or pump) (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 (or valve) (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 (or pump) (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 (or pump) (7) are closed, and water-delivery pump (or valve) (8) is opened, and hot water is exported stand-by.

Claims (3)

1. a method and hot-water heating system thereof that Teat pump boiler combines with solar water heater, it is characterized in that cold water 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, the controller system that makes begins with the work of solar energy pattern, by control water compensating valve (or pump), make cold water can in the thermal-arrest plate, fully absorb the heat radiation of the sun, when the temp probe T3 of thermal-arrest plate end detects inflow temperature and has risen to a certain temperature, water compensating valve (or pump) is opened, the water that obtains solar energy and heat up is put into heating water tank, when the temperature of this point drops to a certain temperature difference, the temperature difference of itself and thermal-arrest plate irradiation temperature T1 increases, water compensating valve (or pump) is closed, and 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.And when system can not reach the solar energy pattern, water intaking valve was opened, and cold water enters heating water tank when reaching high water level by the thermal-arrest plate, and 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.
2. a method and hot-water heating system thereof that Teat pump boiler combines with solar water heater, comprise by compressor, condenser, evaporimeter, throttling arrangement, solar heat-collection plate and corresponding pipeline, valve member and control element and being formed, it is characterized in that: the cold water heating in the heating water tank, form by two stages, it promptly at first is the solar energy heating section, next, is used for the user to design temperature at last by the supplementary heating of heat pump section.
3. high-efficiency heat pump solar water heating system according to claim 2, it is characterized in that: when cold water enters, whether system works with the solar energy pattern, depend on the heat-collecting temperature of solar heat-collection plate and the temperature difference between the cold water, promptly this temperature difference is determined the mode of operation of system, when this temperature difference reached a certain setting value, system then began with the work of solar energy pattern; When this temperature difference was lower than setting value, system promptly directly opened water compensating valve (or pump).
CN 200610123439 2006-11-10 2006-11-10 Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system CN100554792C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610123439 CN100554792C (en) 2006-11-10 2006-11-10 Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610123439 CN100554792C (en) 2006-11-10 2006-11-10 Method that a kind of Teat pump boiler combines with solar water heater and hot-water heating system

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CN101178189A true CN101178189A (en) 2008-05-14
CN100554792C CN100554792C (en) 2009-10-28

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102444986A (en) * 2010-09-30 2012-05-09 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
CN105423570A (en) * 2015-12-08 2016-03-23 珠海格力电器股份有限公司 Control method and device for heating devices
CN105485759A (en) * 2015-11-20 2016-04-13 北京工业大学 Solar heat storage and supply and power generation system
CN106016695A (en) * 2016-06-22 2016-10-12 程思燕 Water heater capable of automatically switching heat sources
CN106091438A (en) * 2016-06-15 2016-11-09 广州大学 A kind of parallel connection type solar heat pump hot-water system dynamic control method
CN106352559A (en) * 2016-09-29 2017-01-25 山东超越地源热泵科技有限公司 Solar heat pump hot-water system for automatically adjusting working medium charging amount and control method
CN106352558A (en) * 2016-08-25 2017-01-25 上海理工大学 Solar instant heat pump water heater
CN107120833A (en) * 2017-04-27 2017-09-01 东南大学 A kind of heat pump heat pipe combined control system of solar energy water heater 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
CN108679686A (en) * 2018-05-21 2018-10-19 吉林建筑大学 A kind of energy storage type heating system

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102444986A (en) * 2010-09-30 2012-05-09 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
CN105423570A (en) * 2015-12-08 2016-03-23 珠海格力电器股份有限公司 Control method and device for heating devices
CN106091438A (en) * 2016-06-15 2016-11-09 广州大学 A kind of parallel connection type solar heat pump hot-water system dynamic control method
CN106016695A (en) * 2016-06-22 2016-10-12 程思燕 Water heater capable of automatically switching heat sources
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
CN106352559A (en) * 2016-09-29 2017-01-25 山东超越地源热泵科技有限公司 Solar heat pump hot-water system for automatically adjusting working medium charging amount and control method
CN107120833A (en) * 2017-04-27 2017-09-01 东南大学 A kind of heat pump heat pipe combined control system of solar energy water heater and operation method
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
CN108679686A (en) * 2018-05-21 2018-10-19 吉林建筑大学 A kind of energy storage type heating system
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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