CN102109198A - Solar heat pump water heating system - Google Patents
Solar heat pump water heating system Download PDFInfo
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- CN102109198A CN102109198A CN 201110083146 CN201110083146A CN102109198A CN 102109198 A CN102109198 A CN 102109198A CN 201110083146 CN201110083146 CN 201110083146 CN 201110083146 A CN201110083146 A CN 201110083146A CN 102109198 A CN102109198 A CN 102109198A
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a solar heat pump water heating system. The system mainly comprises a solar thermal collector, a hot water preparing water tank, a domestic water tank, a heat pump and an electric heater. When in sunny days, the solar energy is fully utilized to heat water; if the water is not heated to a temperature high enough, the water can be heated to the temperature high enough by an auxiliary high-efficiency heat pump; and when the solar energy is not sufficient and the efficiency of the heat pump is reduced in continuous overcast and rainy days, the water is heated to the temperature high enough by an auxiliary electric heater in a low-electrovalence time period. Thus, enough hot water required by the user can be provided for the user no matter what the weather is. The solar heat pump water heating system disclosed by the invention has the characteristics that the structure is simple, the cost is low, the optimized combination of the solar energy, the high-efficiency heat pump and the low electrovalence is utilized, and the system is energy-saving and environment-friendly.
Description
Technical field
The present invention relates to the solar energy hot water supply system technical field, particularly relate to a kind of solar heat pump and water heating system.
Background technology
Along with expanding economy, the raising of living standards of the people, domestic hot-water's use amount is increasing, and the domestic hot-water has become the importance of architectural energy consumption.Solar energy has obtained very big popularization in recent years as a kind of green energy resource, but the application of solar energy is subjected to weather effect obvious, utilize the solar energy heating domestic hot-water not have practical guarantee, people propose many improvement projects to this, the general at present improvement way that the solar energy heating water tank is increased auxiliary heating of special electricity or the auxiliary firing equipment of combustion gas that adopts, because adopt auxiliary heating of special electricity or the auxiliary firing equipment of combustion gas, equipment cost and operating cost are all higher.Therefore, design a kind of novelly, can guarantee result of use, can make the maximized system of energy conservation seem particularly important again.
Summary of the invention
Technical problem to be solved by this invention is the deficiency at above-mentioned existing solar energy hot water supply system, if will increase auxiliary heating of special electricity or the auxiliary firing equipment of combustion gas, equipment complexity, the defective that investment is big, and propose a kind of according to weather forecast and by the time load prediction determine to utilize the energy-saving solar pump hot-water heating system of solar energy, high-efficiency heat pump and the electrically optimized combination of low ebb, this system can guarantee the quality of hot water supply, again can be according to varying environment condition and loading condiction, adopt different mode of heatings, help energy savings.
The technical problem that the present invention requires to solve can be achieved through the following technical solutions:
A kind of solar heat pump and water heating system, comprise that solar thermal collector, hot water preparation water tank, user use water tank, heat pump, electric heater, described solar thermal collector, hot water preparation water tank, user connect successively with water tank, described heat pump is connected with water tank with the user with the hot water preparation water tank respectively, described electric heater is connected on the hot water preparation water tank, and described hot water preparation water tank all is connected running water pipe with the user with water tank.
Between described solar thermal collector and hot water preparation water tank, between heat pump and hot water preparation water tank, heat pump and user be with being two-way pipeline between water tank, wherein the circuits between solar thermal collector and hot water preparation water tank is used for the delivering hot water and prepares water in water tank to solar thermal collector, on this pipeline, be connected with first valve and first water pump, another set of pipeline is used for carrying hot water that solar thermal collector heated to the hot water preparation water tank, is connected with second valve on this pipeline; Circuits between heat pump and hot water preparation water tank is used for the delivering hot water and prepares the hot water of water tank to heat pump, on this pipeline, be connected with the 6th valve and the 5th water pump, another set of pipeline is used to carry water after the heat pump release heat to the hot water preparation water tank, and the tenth valve is housed on this pipeline; Heat pump and user are used to carry the hot water through the heat pump preparation to use water tank in the user with the circuits between water tank, on this pipeline, be connected with the 11 valve, another set of pipeline is used to carry from the user with the come water of water tank to heat pump, is connected with the 7th valve and the 4th water pump on this pipeline; It is unidirectional pipeline that described hot water preparation water tank and user use between water tank, the 3rd valve and second water pump are housed on this pipeline, it is two-way pipeline that described user uses between water tank and user, one circuits is used for to user's heat supply water, the 4th valve and the 3rd water pump are housed on this pipeline, another set of pipeline is used for the delivery user backwater to water tank, and the 5th valve is housed on this pipeline.
All be connected check-valves between the two ends of described first water pump, second water pump, the 3rd water pump, the 4th water pump and the 5th water pump.
Described hot water preparation water tank 2 and user be with equal mounting temperature sensor of water tank and liquid level sensor, and described hot water preparation water tank and user are connected with water tank on the pipeline of running water is equipped with the 8th valve and the 9th valve respectively.
Described each valve is hand sluice valve, dish valve or magnetic valve.
When by day solar energy being arranged, the valve closing between hot water preparation water tank and the user's water tank, solar thermal collector heating system and hot water supply system work alone separately.Solar thermal collector is to the heating of the water in the hot water preparation water tank, and the user supplies the hot water of storage the previous day with water tank to the user and detects the water level of user's water tank, water temperature so that user's water tank is replenished in good time.When do not have solar energy night, close the water circulating pump of solar thermal collector side, have only hot water supply system work this moment.At the low ebb electricity for the previous period constantly, hot water supply system quits work, hot water preparation water tank and user use the valve open between the water tank, hot water preparation water tank water temperature is detected, (this temperature combines with load prediction according to environmental condition to be higher than a certain assigned temperature if water temperature is lower than the temperature of user's needs, and calculate in conjunction with local low ebb electricity price and to try to achieve, this moment units of heat to prepare price minimum) time then is transported to the user with the water conservancy in the hot water preparation water tank with water pump and uses water tank, continue heat temperature raising by heat pump, until the instructions for use of satisfying second day.When if water temperature is lower than a certain assigned temperature, be heated to the assigned temperature rear by electric heater and all be transported to the user by water pump and use water tank, continue to heat by heat pump again, until satisfying instructions for use.If it is temperature required that water temperature is higher than the user, then part delivery in the hot water preparation water tank can be used water tank to the user, the adding cold water mix is to the required water temperature of user in water tank.Higher because of the heat pump heat supply coefficient, compare the electric heater heating and can save a large amount of electricity charge again.Because heat pump when low temperature coefficient of heat supply less than electric heater, so when temperature is low, can be heated to assigned temperature with electric heater earlier after, heat by heat pump again and more save the electricity charge, and also can make full use of the low ebb electricity, it is obvious to save operating cost.Second day, with the valve closing between hot water preparation water tank and the user's usefulness water tank, solar thermal collector heating system and hot water supply system worked alone once more, so circulation.
Owing to adopted as above technical scheme, the present invention compared with prior art has following characteristics: with low cost, device simple, make full use of solar energy,, help energy savings according to the auxiliary low ebb heat supply measure of adopting high-efficiency heat pump and electric heater under the different situations.
Description of drawings
Fig. 1 is a structure composition frame chart of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, the present invention mainly is made up of with water tank 3, heat pump 4, electric heater 5, temperature sensor 11, liquid level sensor 12, the first to the 11 valve K1, K2, K3, K4, K5, K6, K7, K8, K9, K10, K11 and first to the 5th water pump 6,7,8,9,10 that are installed on each pipeline solar thermal collector 1, hot water preparation water tank 2, user.
Operation of the present invention divides four kinds of patterns: first kind of pattern is when having daytime solar energy to utilize, hot water preparation water tank 2 works alone with water tank 3 separately with the user, and detect water level, the water temperature of user's water tank 3 in good time, so that user's water tank 3 is replenished.Second kind of pattern is to begin for the previous period the low ebb electricity price time period, measure the temperature of hot water preparation water tank 2, (this temperature combines with load prediction according to environmental condition if be higher than a certain assigned temperature, and calculate in conjunction with local low ebb electricity price and to try to achieve, this moment units of heat to prepare price minimum), the water in the hot water preparation water tank 2 is transferred to the user with water tank 3 by second water pump 7.The third pattern is when the water in the hot water preparation water tank 2 is lower than a certain assigned temperature, is transferred to the user and uses water tank 3 after the low ebb electricity price time period is heated to this assigned temperature by the water in 5 pairs of hot water preparation water tanks 2 of electric heater.The 4th kind of pattern is to be utilized the low ebb electricity that the user is continued heating with the water in the water tank 3 by heat pump 4 in the low ebb electricity price time period to use temperature requirement in second day until satisfying.These four kinds of patterns of the present invention can satisfy almost any weather condition.Daytime is fine, sunshine abundance, when outdoor temperature was higher, the temperature of water met or exceeded the required water temperature of user in the hot water preparation water tank 2, only needed that then the water in the hot water preparation water tank 2 is transferred to the user night and got final product with in the water tank 3.Inadequate when sunshine on daytime, when weather condition was undesirable, the night dip electricity price utilized 4 pairs of heat pumps to be transferred to the water continuation heating of user with water tank 3 constantly, until meeting the demands.When the weather situation is very poor, continuous when overcast and rainy as winter, water temperature does not reach assigned temperature, heat pump 4 efficient at this moment is lower, utilize night the low ebb electricity to be heated to assigned temperature earlier with electric heater 5, transfer to the user with in the water tank 3 with second water pump 7 then, be heated to by heat pump 4 again and meet the demands.
Under first kind of operational mode, the 3rd valve K3 closes, and second water pump 7 does not move, and hot water preparation water tank 2 works alone with water tank 3 separately with the user, and detects water level, the water temperature of user's water tank 3 in good time, so that user's water tank 3 is replenished.The first valve K1, the second valve K2 open, 6 operations of first water pump, the water heating in 1 pair of hot water preparation water tank 2 of solar thermal collector.The 6th valve K6, the 7th valve K7, the tenth valve K10, the 11 valve K11 close, the 4th water pump 9, the 5th water pump 10 do not move, and heat pump 4 is not worked, and the 4th valve K4, the 5th valve K5 open, 8 operations of the 3rd water pump, the user uses water tank 3 to user's hot-water supply.This moment, whole system was utilized solar heat-preservation on one side, on one side to user's hot-water supply.But do not have the solar energy time spent daytime if run into, first water pump 6 does not move in order to avoid expend unnecessary electric energy.
Under second kind of operational mode, the 3rd valve K3 opens, 7 operations of second water pump, the first valve K1, the second valve K2, the 6th valve K6, the 7th valve K7, the 4th valve K4, the 5th valve K5 close, and the water in the hot water preparation water tank 2 is transferred to the user and uses water tank 3.Under this pattern, if the water temperature in the hot water preparation water tank 2 surpasses user's instructions for use, then only part water is transferred to the user with in the water tank 3, open the 9th valve K9 hot and cold water is mixed to the required water temperature of user; If the water temperature of hot water preparation water tank 2 is equal to or less than customer requirements, then the water of hot water preparation water tank 2 all is transferred to the user when being higher than assigned temperature with in the water tank 3, after transfer is finished, second water pump 7 is out of service, close the 3rd valve K3, open the 8th valve K8, water-filling in the hot water preparation water tank 2 is closed the 8th valve K8 after being full of.When the temperature in the hot water preparation water tank 2 is lower than assigned temperature, after earlier in hot water preparation water tank 2, being heated to assigned temperature by electric heater 5, the water of hot water preparation water tank 2 all is transferred to the user with in the water tank 3, after transfer is finished, second water pump 7 is out of service, closes the 3rd valve K3, opens the 8th valve K8, water-filling in the hot water preparation water tank 2 is full of back valve-off K8.
Under the third operational mode, the valve Close All, utilize the low ebb electricity in hot water preparation water tank 2, to heat by electric heater 5, after being heated to assigned temperature, the 3rd valve K3 opens, 7 operations of second water pump, the first valve K1, the second valve K2, the 4th valve K4, the 5th valve K5, the 6th valve K6, the 7th valve K7 close, and the water in the hot water preparation water tank 2 is transferred to the user and uses water tank 3.If temperature is higher than assigned temperature in the hot water preparation water tank 2, then do not need the third pattern.
Under the 4th kind of operational mode, the 6th valve K6, the 7th valve K7, the tenth valve K10, the 11 valve K11 open all the other valve closings.The 4th water pump 9,10 operations of the 5th water pump, heat pump 4 is started working, and is continued the user with the heating of the water in the water tank 3, until reaching required water temperature through the 4th water pump 9 and the 5th water pump 10 by heat pump 4.If hot water preparation water tank 2 temperature are higher than under the situation of user's instructions for use under second kind of pattern, then do not need the 4th kind of pattern.
First water pump 6, second water pump 7, the 3rd water pump 8, the 4th water pump 9 and the 5th water pump 10 two ends are connected the 5th check-valves 17, first check-valves 13, second check-valves 14, the 3rd check-valves 15, the 4th check-valves 16 respectively among Fig. 1; protect each water pump with bypass; prevent from the running to have a power failure suddenly and cause and the impact that current carry out pump damage water pump.Temperature sensor 11 is used for detecting hot water preparation water tank 2 with liquid level sensor 12, the user uses the water temperature and the water yield in the water tank 3.
In the above implementation step, whole system control is easy, therefore manually control or all realizations easily of control automatically of employing.If manually control, each valve can adopt hand-operated valve lock or butterfly valve, operates getting final product according to the above-mentioned specific embodiment.If automatically control, each valve can adopt electric control valves such as magnetic valve, and sensor is adopted in the detection of each parameter in the system, and the control that links of equipment such as each corresponding valve, water pump heat pump is controlled platform and can be adopted microcomputer etc., but whole system fully automatic operation like this.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. solar heat pump and water heating system, it is characterized in that, comprise that solar thermal collector, hot water preparation water tank, user use water tank, heat pump, electric heater, described solar thermal collector, hot water preparation water tank, user connect successively with water tank, described heat pump is connected with water tank with the user with the hot water preparation water tank respectively, described electric heater is connected on the hot water preparation water tank, and described hot water preparation water tank all is connected running water pipe with the user with water tank.
2. solar heat pump and water heating as claimed in claim 1 system, it is characterized in that, between described solar thermal collector and hot water preparation water tank, between heat pump and hot water preparation water tank, heat pump and user be with being two-way pipeline between water tank, wherein the circuits between solar thermal collector and hot water preparation water tank is used for the delivering hot water and prepares water in water tank to solar thermal collector, on this pipeline, be connected with first valve and first water pump, another set of pipeline is used for carrying hot water that solar thermal collector heated to the hot water preparation water tank, is connected with second valve on this pipeline; Circuits between heat pump and hot water preparation water tank is used for the delivering hot water and prepares the hot water of water tank to heat pump, on this pipeline, be connected with the 6th valve and the 5th water pump, another set of pipeline is used to carry water after the heat pump release heat to the hot water preparation water tank, and the tenth valve is housed on this pipeline; Heat pump and user are used to carry the hot water through the heat pump preparation to use water tank in the user with the circuits between water tank, on this pipeline, be connected with the 11 valve, another set of pipeline is used to carry from the user with the come water of water tank to heat pump, is connected with the 7th valve and the 4th water pump on this pipeline; It is unidirectional pipeline that described hot water preparation water tank and user use between water tank, the 3rd valve and second water pump are housed on this pipeline, it is two-way pipeline that described user uses between water tank and user, one circuits is used for to user's heat supply water, the 4th valve and the 3rd water pump are housed on this pipeline, another set of pipeline is used for the delivery user backwater to water tank, and the 5th valve is housed on this pipeline.
3. solar heat pump and water heating as claimed in claim 2 system is characterized in that, all is connected check-valves between the two ends of described first water pump, second water pump, the 3rd water pump, the 4th water pump and the 5th water pump.
4. solar heat pump and water heating as claimed in claim 1 system, it is characterized in that, described hot water preparation water tank 2 and user be with equal mounting temperature sensor of water tank and liquid level sensor, and described hot water preparation water tank and user are connected with water tank on the pipeline of running water is equipped with the 8th valve and the 9th valve respectively.
5. as claim 2 or 4 described solar heat pump and water heating systems, it is characterized in that described each valve is hand sluice valve, dish valve or magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110083146 CN102109198A (en) | 2011-04-02 | 2011-04-02 | Solar heat pump water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110083146 CN102109198A (en) | 2011-04-02 | 2011-04-02 | Solar heat pump water heating system |
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| CN102109198A true CN102109198A (en) | 2011-06-29 |
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| CN 201110083146 Pending CN102109198A (en) | 2011-04-02 | 2011-04-02 | Solar heat pump water heating system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538065A (en) * | 2012-01-17 | 2012-07-04 | 东莞市盈信节能投资有限公司 | Method for making hot water by adopting solar energy and air source and hot-water making system |
| CN104456702A (en) * | 2013-09-22 | 2015-03-25 | 苏州苏宝新能源科技有限公司 | Full-glass tube type solar centralized hot water supplying system |
| CN105698412A (en) * | 2015-12-24 | 2016-06-22 | 沈丰 | Control method of concentrated solar water heating system using weather forecast |
| CN107120718A (en) * | 2017-06-16 | 2017-09-01 | 中建三局第三建设工程有限责任公司 | Workman faces in living area construction and applies solar energy heating bathing and winter heating system |
| WO2018082115A1 (en) * | 2016-11-03 | 2018-05-11 | 广东美的暖通设备有限公司 | Heat pump water heater unit and control method and device thereof |
| CN113063172A (en) * | 2021-04-02 | 2021-07-02 | 广东纽恩泰新能源科技发展有限公司 | Air source heat pump system with solar energy and electric heating and control method |
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| JP2006275363A (en) * | 2005-03-29 | 2006-10-12 | Tokyo Electric Power Co Inc:The | Heat pump water heater |
| CN2886434Y (en) * | 2006-05-12 | 2007-04-04 | 上海海事大学 | Weatherable dual-tank hot water supply system for solar water heater |
| CN201412910Y (en) * | 2009-05-15 | 2010-02-24 | 昆明民本科技有限公司 | Hot water device taking air source heat pump and solar energy as heat sources |
| CN201992737U (en) * | 2011-04-02 | 2011-09-28 | 上海海事大学 | Solar heat pump hot water system |
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2011
- 2011-04-02 CN CN 201110083146 patent/CN102109198A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006275363A (en) * | 2005-03-29 | 2006-10-12 | Tokyo Electric Power Co Inc:The | Heat pump water heater |
| CN2886434Y (en) * | 2006-05-12 | 2007-04-04 | 上海海事大学 | Weatherable dual-tank hot water supply system for solar water heater |
| CN201412910Y (en) * | 2009-05-15 | 2010-02-24 | 昆明民本科技有限公司 | Hot water device taking air source heat pump and solar energy as heat sources |
| CN201992737U (en) * | 2011-04-02 | 2011-09-28 | 上海海事大学 | Solar heat pump hot water system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538065A (en) * | 2012-01-17 | 2012-07-04 | 东莞市盈信节能投资有限公司 | Method for making hot water by adopting solar energy and air source and hot-water making system |
| CN102538065B (en) * | 2012-01-17 | 2014-07-16 | 东莞市盈信节能投资有限公司 | Method for making hot water by adopting solar energy and air source and hot-water making system |
| CN104456702A (en) * | 2013-09-22 | 2015-03-25 | 苏州苏宝新能源科技有限公司 | Full-glass tube type solar centralized hot water supplying system |
| CN105698412A (en) * | 2015-12-24 | 2016-06-22 | 沈丰 | Control method of concentrated solar water heating system using weather forecast |
| WO2018082115A1 (en) * | 2016-11-03 | 2018-05-11 | 广东美的暖通设备有限公司 | Heat pump water heater unit and control method and device thereof |
| CN107120718A (en) * | 2017-06-16 | 2017-09-01 | 中建三局第三建设工程有限责任公司 | Workman faces in living area construction and applies solar energy heating bathing and winter heating system |
| CN113063172A (en) * | 2021-04-02 | 2021-07-02 | 广东纽恩泰新能源科技发展有限公司 | Air source heat pump system with solar energy and electric heating and control method |
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Application publication date: 20110629 |