CN101839520B - Solar-powered-air source heat-pump composite water heating system and control method thereof - Google Patents
Solar-powered-air source heat-pump composite water heating system and control method thereof Download PDFInfo
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- CN101839520B CN101839520B CN2010101959582A CN201010195958A CN101839520B CN 101839520 B CN101839520 B CN 101839520B CN 2010101959582 A CN2010101959582 A CN 2010101959582A CN 201010195958 A CN201010195958 A CN 201010195958A CN 101839520 B CN101839520 B CN 101839520B
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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
- Y02E10/44—Heat exchange systems
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Abstract
The invention discloses a solar-powered-air source heat-pump composite water heating system, which comprises a water tank, an air source heat-pump system, a solar heat collector, a water pump, an overflow pipe, a cold water inlet pipe, a circulating water pipe, a four-way joint, a heat collector temperature sensor, an ambient temperature sensor, a water tank temperature sensor and a circulating water temperature sensor. The water tank is communicated with a main water outlet pipe; the water pump is positioned on the main water outlet pipe; the main water outlet pipe behind the water pump is divided into a hot water pipe and an adjusting pipe; the circulating water pipe is communicated with the hot water pipe; the overflow pipe is communicated with the solar heat collector; the adjusting pipe, the overflow pipe, the cold water inlet pipe and the circulating water pipe are connected to four interfaces of the four-way joint respectively; the cold water inlet pipe is provided with a first electromagnetic valve; the adjusting pipe is provided with a second electromagnetic valve; and the circulating water pipe is provided with a third electromagnetic valve. The water heating system is controlled by gathering temperature information. The system has a simple pipeline structure and a simple control method because the pipelines only need to be connected to the four-way joint during pipeline installation.
Description
(1) technical field
The present invention relates to a kind of solar-powered-air source heat-pump composite water heating system and control method thereof.
(2) background technology
Solar-powered-air source heat-pump composite water heating system is a kind of energy-conservation hot water supply system, and solar energy heating and air source heat pump are auxiliary each other.But existing solar-powered-air source heat-pump composite water heating system pipeline structure is very complicated, and control method is also very complicated.
(3) summary of the invention
In order to overcome the above-mentioned deficiency of existing solar-powered-air source heat-pump composite water heating system, the present invention provides simple solar-powered-air source heat-pump composite water heating system of a kind of pipeline structure and control method thereof.
The technical scheme that the present invention solves its technical problem is: a kind of solar-powered-air source heat-pump composite water heating system; Be provided with the water tank of water level switch in comprising; Described water tank is connected with air source heat pump system; Also comprise solar thermal collector and water pump, described water tank is communicated with outfall sewer, and described water pump is positioned on the described outfall sewer; At the rear of said water pump, described outfall sewer is divided into hot-water line and adjustable pipe; Also comprise flow tube, cold water oral siphon, circulating water pipe and four-way connection, described circulating water pipe and described hot-water line UNICOM, described flow tube and described solar thermal collector UNICOM; Described adjustable pipe, flow tube, cold water oral siphon and circulating water pipe are connected on four interfaces of said four-way connection; Be communicated with through water-supply-pipe between described solar thermal collector and the described water tank; Described cold water oral siphon is provided with first magnetic valve, and described adjustable pipe is provided with second magnetic valve, and described circulating water pipe is provided with the 3rd magnetic valve; Also comprise the heat collector temperature sensor that is used to detect temperature in the solar thermal collector, testing environment temperature environment temperature sensor, be used to detect water temperature in the water tank the water tank temperature sensor, be used to detect the circulating water temperature sensor of water temperature in the circulating water pipe.
Further, described water pump is the frequency conversion self priming pump.
The control method of above-mentioned solar-powered-air source heat-pump composite water heating system; Adopt following measures to control the switching of first magnetic valve and air source heat pump system: the temperature in environment temperature is lower than 20 ℃ and solar thermal collector instructs first magnetic valve to open during more than or equal to 50 ℃; Temperature in environment temperature is lower than 20 ℃ and solar thermal collector is during smaller or equal to 40 ℃, instructs first closed electromagnetic valve; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during more than or equal to 55 ℃, instruct first magnetic valve to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during smaller or equal to 45 ℃, instruct first closed electromagnetic valve; When environment temperature between 25 ℃～30 ℃ and the temperature in the solar thermal collector during more than or equal to 60 ℃, instruct first magnetic valve to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during smaller or equal to 50 ℃, instruct first closed electromagnetic valve; Temperature in environment temperature is higher than 30 ℃ and solar thermal collector instructs first magnetic valve to open during more than or equal to 70 ℃; Temperature in environment temperature is higher than 30 ℃ and solar thermal collector is during smaller or equal to 50 ℃, instructs first closed electromagnetic valve;
No matter under which kind of situation: the temperature in the time of 8 in the solar thermal collector during with respect to 6 the temperature in the solar thermal collector rise smaller or equal to setting value; Then instruct first magnetic valve to open; When the water level in the water tank reach the water tank moisture storage capacity 25% the time; Instruct first closed electromagnetic valve to instruct air source heat pump system to start simultaneously, instruct air source heat pump system to close when the water temperature to water tank reaches design temperature again; Afterwards according to following circular flow in water tank to peak level: carry out the inspection that the temperature in the solar thermal collector rises at regular intervals; If temperature rises less than setting value; Then instruct first magnetic valve to open; Water temperature to water tank instructs first closed electromagnetic valve to instruct heat pump to start simultaneously during than the low setting value of design temperature, instructs air source heat pump system to close when the water temperature in water tank reaches design temperature again;
Adopt following measures to control the switching of second magnetic valve: when the temperature in detecting solar thermal collector exceeds setting value than the water temperature in the water tank or the temperature in the solar thermal collector when being lower than a setting value second magnetic valve open, otherwise second closed electromagnetic valve then;
Adopt following measures to control the switching of the 3rd magnetic valve: the 3rd closed electromagnetic valve during of the water temperature in detecting circulating water pipe greater than a high temperature setting value; The 3rd magnetic valve was opened when the water temperature in detecting circulating water pipe was lower than a low temperature setting value; The 3rd magnetic valve is in closed condition when the water temperature in the circulating water pipe is reduced to this low temperature setting value by this high temperature setting value, and the 3rd magnetic valve is in open mode when the water temperature in the circulating water pipe rises to this high temperature setting value by the low temperature setting value.
Further, the temperature in the time of 8 in the solar thermal collector during with respect to 6 the temperature in the solar thermal collector rise smaller or equal to 10 ℃, then instruct first magnetic valve to open; According to following circular flow in water tank to peak level: every inspection of carrying out the temperature rising in the solar thermal collector at a distance from one hour; If temperature rises less than 10 ℃; Then instruct first magnetic valve to open; Water temperature to water tank instructs first closed electromagnetic valve to instruct heat pump to start simultaneously during than low 20 ℃ of design temperature, instructs air source heat pump system to close when the water temperature in water tank reaches design temperature again; When the temperature in detecting solar thermal collector exceeds 15 ℃ than the water temperature in the water tank or the temperature in the solar thermal collector when being lower than 3 ℃ second magnetic valve open, otherwise second closed electromagnetic valve then; Water temperature in detecting circulating water pipe the 3rd closed electromagnetic valve during greater than 42 ℃; The 3rd magnetic valve was opened when the water temperature in detecting circulating water pipe was lower than 37 ℃; The 3rd magnetic valve is in closed condition when the water temperature in the circulating water pipe is reduced to 37 ℃ by 42 ℃, and the 3rd magnetic valve is in open mode when the water temperature in the circulating water pipe rises to 42 ℃ by 37 ℃.
Beneficial effect of the present invention is: pipeline structure is simple, is carrying out pipeline when installing, and only need pipeline be connected on the four-way connection to get final product, and control method is simple.
(4) description of drawings
Fig. 1 is the structural representation of solar-powered-air source heat-pump composite water heating system of the present invention.
(5) specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
With reference to Fig. 1; A kind of solar-powered-air source heat-pump composite water heating system is provided with the water tank 1 of water level switch in comprising, described water tank 1 is connected with air source heat pump 2 systems; Also comprise solar thermal collector 3 and water pump 4; Described water tank 1 is communicated with outfall sewer 5, and described water pump 4 is positioned on the described outfall sewer 5, and this water pump 4 is the frequency conversion self priming pump on the present embodiment.
At the rear of said water pump 4, described outfall sewer 5 is divided into hot-water line 6 and adjustable pipe 7; Store hot water in the water tank 1, the first-class outlet terminal of the fire hose is set on hot-water line 6.
Also comprise flow tube 8, cold water oral siphon 9, circulating water pipe 10 and four-way connection 11, described circulating water pipe 10 and described hot-water line 6 UNICOMs, described flow tube 8 and described solar thermal collector 3 UNICOMs;
Described adjustable pipe 7, flow tube 8, cold water oral siphon 9 and circulating water pipe 10 are connected on four interfaces of said four-way connection 11;
Be communicated with through water-supply-pipe 12 between described solar thermal collector 3 and the described water tank 1;
Described cold water oral siphon 9 is provided with first magnetic valve 13, and described adjustable pipe 7 is provided with second magnetic valve 14, and described circulating water pipe 10 is provided with the 3rd magnetic valve 15;
Also comprise the heat collector temperature sensor that is used to detect temperature in the solar thermal collector, testing environment temperature environment temperature sensor, be used to detect water temperature in the water tank the water tank temperature sensor, be used to detect the circulating water temperature sensor of water temperature in the circulating water pipe.
The control method of above-mentioned solar-powered-air source heat-pump composite water heating system is:
Adopt following measures to control the switching of first magnetic valve 13 and air source heat pump system 2:
Temperature in environment temperature is lower than 20 ℃ and solar thermal collector 3 then instructs first magnetic valve 13 to open during more than or equal to 50 ℃; Temperature in environment temperature is lower than 20 ℃ and solar thermal collector 3 instructs first magnetic valve 13 to close during smaller or equal to 40 ℃.What this was provided with correspondence is the setting to winter; The winter environment temperature is lower; If explanation was sunny when environment temperature was lower than temperature in 20 ℃ and the solar thermal collector 3 more than or equal to 50 ℃; Solar thermal collector 3 can fully absorb solar energy water is heated, and therefore can open first magnetic valve 13 advances cold water; If the temperature in the solar thermal collector 3 during smaller or equal to 40 ℃ explanation sunlight inadequate, solar thermal collector 3 is not enough to heat cold water, therefore instructs first magnetic valve 13 to close.
When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector 3 during more than or equal to 55 ℃, instruct first magnetic valve 13 to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector 3 during smaller or equal to 45 ℃, instruct first magnetic valve 13 to close.What this was provided with correspondence is the setting to spring, autumn; If environment temperature between 20 ℃～25 ℃ and the temperature solar thermal collector 3 in explain during more than or equal to 55 ℃ sunny; Solar thermal collector 3 can fully absorb solar energy water is heated, and therefore can open first magnetic valve 13 advances cold water; If the temperature in the solar thermal collector 3 during smaller or equal to 45 ℃ explanation sunlight inadequate, solar thermal collector 3 is not enough to heat cold water, therefore instructs first magnetic valve 13 to close.
When environment temperature between 25 ℃～30 ℃ and the temperature in the solar thermal collector 3 during more than or equal to 60 ℃, instruct first magnetic valve 13 to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector 3 during smaller or equal to 50 ℃, instruct first magnetic valve 13 to close.What this was provided with correspondence is the setting to summer; If environment temperature between 25 ℃～30 ℃ and the temperature solar thermal collector 3 in explain during more than or equal to 60 ℃ sunny; Solar thermal collector 3 can fully absorb solar energy water is heated, and therefore can open first magnetic valve 13 advances cold water; If the temperature in the solar thermal collector 3 during smaller or equal to 50 ℃ explanation sunlight inadequate, solar thermal collector 3 is not enough to heat cold water, therefore instructs first magnetic valve 13 to close.
Temperature in environment temperature is higher than 30 ℃ and solar thermal collector 3 instructs first magnetic valve 13 to open during more than or equal to 70 ℃; Temperature in environment temperature is higher than 30 ℃ and solar thermal collector 3 instructs first magnetic valve 13 to close during smaller or equal to 50 ℃.What this was provided with correspondence is the setting to the cruel summer; If explanation was sunny when environment temperature was higher than temperature in 30 ℃ and the solar thermal collector 3 more than or equal to 70 ℃; Solar thermal collector 3 can fully absorb solar energy water is heated, and therefore can open first magnetic valve 13 advances cold water; If the temperature in the solar thermal collector 3 during smaller or equal to 50 ℃ explanation sunlight inadequate, solar thermal collector 3 is not enough to heat cold water, therefore instructs first magnetic valve 13 to close.
No matter under which kind of situation: the temperature in the time of 8 in the solar thermal collector 3 during with respect to 6 the temperature in the solar thermal collector 3 rise smaller or equal to 10 ℃; Then instruct first magnetic valve 13 to open; When the water level in the water tank reach the water tank moisture storage capacity 25% the time; Instruct first magnetic valve 13 to close and instruct air source heat pump system 2 to start simultaneously, instruct air source heat pump system 2 to close when the water temperature to water tank reaches design temperature again.Temperature in the time of 8 in the solar thermal collector 3 during with respect to 6 the temperature in the solar thermal collector rise smaller or equal to 10 ℃; Explain that sunlight is not enough; Solar thermal collector 3 is not enough to heat cold water, still will continue but supply water, and just be responsible for main heating tasks by air source heat pump system 2 this moment.Temperature in the time of certain 8 in the solar thermal collector 3 just instructs first magnetic valve 13 to open when the temperature in the solar thermal collector 3 rise not necessarily smaller or equal to 10 ℃ during with respect to 6, can set this numerical value according to actual conditions.Afterwards according to following circular flow in water tank 1 to peak level: every inspection of carrying out the temperature rising in the solar thermal collector 3 at a distance from one hour; If temperature rises less than 10 ℃; Then instruct first magnetic valve 13 to open; Water temperature to water tank 1 instructs first magnetic valve 13 to close during than low 20 ℃ of design temperature to instruct simultaneously heat pump 2 startups, instructs air source heat pump system 2 to close when the water temperature in water tank 1 reaches design temperature again.The same with aforementioned principles; Temperature in one hour in the solar thermal collector 3 rises less than 10 ℃ (this numerical value also can be set another numerical value for); Explain that sunlight is not enough; Solar thermal collector 3 is not enough to heat cold water, still will continue but supply water, and just be responsible for main heating tasks by air source heat pump system 2 this moment.
Adopt following measures to control the switching of second magnetic valve 14: when the temperature in detecting solar thermal collector 3 exceeds 15 ℃ than the water temperature in the water tank 1 or the temperature in the solar thermal collector 3 when being lower than 3 ℃ second magnetic valve 14 open, otherwise then second magnetic valve 14 cuts out.When the temperature in the solar thermal collector 3 exceeds 15 ℃ (this numerical value also can be configured to another numerical value certainly) than the water temperature in the water tank 1; Explain that the temperature in the solar thermal collector 3 is too high, this moment, second magnetic valve 14 opened that water flow to the cooling of in the solar thermal collector 3 solar thermal collector 3 being carried out to a certain degree from water tank 1 under the effect of water pump 4; When the temperature in the solar thermal collector 3 is lower than 3 ℃ (this numerical value also can be configured to another numerical value certainly); Explain that temperature in the solar thermal collector 3 cross low solar thermal collector 3 and have by the danger of bursting by freezing, this moment, second magnetic valve 14 opened that water flow to the heating of in the solar thermal collector 3 solar thermal collector 3 being carried out to a certain degree from water tank 1 under the effect of water pump 4.
Adopt following measures to control the switching of the 3rd magnetic valve: the water temperature in detecting circulating water pipe 10 during greater than 42 ℃ the 3rd magnetic valve 15 close; The 3rd magnetic valve 15 was opened when the water temperature in detecting circulating water pipe 10 was lower than 37 ℃; The 3rd magnetic valve 15 is in closed condition when the water temperature in the circulating water pipe 10 is reduced to 37 ℃ by 42 ℃, and the 3rd magnetic valve 15 is in open mode when the water temperature in the circulating water pipe 10 rises to 42 ℃ by 37 ℃.When the water temperature in the circulating water pipe 10 during greater than 42 ℃ (this numerical value also can be configured to another numerical value certainly), explain that water are too warm in the hot-water line 6, the 3rd magnetic valve 15 cut out the water route circulation and stopped this moment, and water temperature suitably descends.When the water temperature in the circulating water pipe 10 is lower than 37 ℃ (this numerical value also can be configured to another numerical value certainly), explain that water is too warm in the hot-water line 6, the 3rd magnetic valve 15 was opened and was realized the water route circulation this moment, and water temperature suitably rises.
Claims (4)
1. solar-powered-air source heat-pump composite water heating system; Be provided with the water tank of water level switch in comprising; Described water tank is connected with air source heat pump system; Also comprise solar thermal collector and water pump, described water tank is communicated with outfall sewer, it is characterized in that: described water pump is positioned on the described outfall sewer;
At the rear of said water pump, described outfall sewer is divided into hot-water line and adjustable pipe;
Also comprise flow tube, cold water oral siphon, circulating water pipe and four-way connection, described circulating water pipe and described hot-water line UNICOM, described flow tube and described solar thermal collector UNICOM;
Described adjustable pipe, flow tube, cold water oral siphon and circulating water pipe are connected on four interfaces of said four-way connection;
Be communicated with through water-supply-pipe between described solar thermal collector and the described water tank;
Described cold water oral siphon is provided with first magnetic valve, and described adjustable pipe is provided with second magnetic valve, and described circulating water pipe is provided with the 3rd magnetic valve;
Also comprise the heat collector temperature sensor that is used to detect temperature in the solar thermal collector, testing environment temperature environment temperature sensor, be used to detect water temperature in the water tank the water tank temperature sensor, be used to detect the circulating water temperature sensor of water temperature in the circulating water pipe.
2. solar-powered-air source heat-pump composite water heating system as claimed in claim 1 is characterized in that: described water pump is the frequency conversion self priming pump.
3. the control method of solar-powered-air source heat-pump composite water heating system as claimed in claim 1 is characterized in that:
Adopt following measures to control the switching of first magnetic valve and air source heat pump system:
Temperature in environment temperature is lower than 20 ℃ and solar thermal collector instructs first magnetic valve to open during more than or equal to 50 ℃; Temperature in environment temperature is lower than 20 ℃ and solar thermal collector is during smaller or equal to 40 ℃, instructs first closed electromagnetic valve;
When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during more than or equal to 55 ℃, instruct first magnetic valve to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during smaller or equal to 45 ℃, instruct first closed electromagnetic valve;
When environment temperature between 25 ℃～30 ℃ and the temperature in the solar thermal collector during more than or equal to 60 ℃, instruct first magnetic valve to open; When environment temperature between 20 ℃～25 ℃ and the temperature in the solar thermal collector during smaller or equal to 50 ℃, instruct first closed electromagnetic valve;
Temperature in environment temperature is higher than 30 ℃ and solar thermal collector instructs first magnetic valve to open during more than or equal to 70 ℃; Temperature in environment temperature is higher than 30 ℃ and solar thermal collector is during smaller or equal to 50 ℃, instructs first closed electromagnetic valve;
No matter under which kind of situation: the temperature in the time of 8 in the solar thermal collector during with respect to 6 the temperature in the solar thermal collector rise smaller or equal to setting value; Then instruct first magnetic valve to open; When the water level in the water tank reach the water tank moisture storage capacity 25% the time; Instruct first closed electromagnetic valve to instruct air source heat pump system to start simultaneously, instruct air source heat pump system to close when the water temperature to water tank reaches design temperature again; Afterwards according to following circular flow in water tank to peak level: carry out the inspection that the temperature in the solar thermal collector rises at regular intervals; If temperature rises less than setting value; Then instruct first magnetic valve to open; Water temperature to water tank instructs first closed electromagnetic valve to instruct heat pump to start simultaneously during than the low setting value of design temperature, instructs air source heat pump system to close when the water temperature in water tank reaches design temperature again;
Adopt following measures to control the switching of second magnetic valve:
When the temperature in detecting solar thermal collector exceeds setting value than the water temperature in the water tank or the temperature in the solar thermal collector when being lower than a setting value second magnetic valve open, otherwise second closed electromagnetic valve then;
Adopt following measures to control the switching of the 3rd magnetic valve:
Water temperature in detecting circulating water pipe the 3rd closed electromagnetic valve during greater than a high temperature setting value; The 3rd magnetic valve was opened when the water temperature in detecting circulating water pipe was lower than a low temperature setting value; The 3rd magnetic valve is in closed condition when the water temperature in the circulating water pipe is reduced to this low temperature setting value by this high temperature setting value, and the 3rd magnetic valve is in open mode when the water temperature in the circulating water pipe rises to this high temperature setting value by the low temperature setting value.
4. the control method of solar-powered-air source heat-pump composite water heating system as claimed in claim 3; It is characterized in that: the temperature in the time of 8 in the solar thermal collector during with respect to 6 the temperature in the solar thermal collector rise smaller or equal to 10 ℃, then instruct first magnetic valve to open; According to following circular flow in water tank to peak level: every inspection of carrying out the temperature rising in the solar thermal collector at a distance from one hour; If temperature rises less than 10 ℃; Then instruct first magnetic valve to open; Water temperature to water tank instructs first closed electromagnetic valve to instruct heat pump to start simultaneously during than low 20 ℃ of design temperature, instructs air source heat pump system to close when the water temperature in water tank reaches design temperature again;
When the temperature in detecting solar thermal collector exceeds 15 ℃ than the water temperature in the water tank or the temperature in the solar thermal collector when being lower than 3 ℃ second magnetic valve open, otherwise second closed electromagnetic valve then;
Water temperature in detecting circulating water pipe the 3rd closed electromagnetic valve during greater than 42 ℃; The 3rd magnetic valve was opened when the water temperature in detecting circulating water pipe was lower than 37 ℃; The 3rd magnetic valve is in closed condition when the water temperature in the circulating water pipe is reduced to 37 ℃ by 42 ℃, and the 3rd magnetic valve is in open mode when the water temperature in the circulating water pipe rises to 42 ℃ by 37 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101959582A CN101839520B (en) | 2010-06-07 | 2010-06-07 | Solar-powered-air source heat-pump composite water heating system and control method thereof |
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| CN2010101959582A CN101839520B (en) | 2010-06-07 | 2010-06-07 | Solar-powered-air source heat-pump composite water heating system and control method thereof |
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| CN101839520B true CN101839520B (en) | 2012-08-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102410648A (en) * | 2011-08-05 | 2012-04-11 | 美的集团有限公司 | Temperature testing method of solar water heater |
| WO2018170812A1 (en) * | 2017-03-22 | 2018-09-27 | 深圳市瑞荣创电子科技有限公司 | Smart solar-assisted heat pump management system and management method |
| CN109059313B (en) * | 2018-06-22 | 2024-05-14 | 国网冀北节能服务有限公司 | High-efficiency solar heat collection combined electric energy heating system |
| CN109307361A (en) * | 2018-10-10 | 2019-02-05 | 宁波市建筑设计研究院有限公司 | The energy-saving control method of air source heat pump |
| CN110243082A (en) * | 2019-06-05 | 2019-09-17 | 贺州市光耀太阳能设备有限公司 | Solar energy can combine the storage of water tank High Efficiency Thermal with air, utilize device and method |
| CN111474971B (en) * | 2020-04-28 | 2021-08-24 | 宁波奥克斯电气股份有限公司 | Control method for preventing excessive low water flow and water supply machine |
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| US6357246B1 (en) * | 1999-12-30 | 2002-03-19 | Keum Su Jin | Heat pump type air conditioning apparatus |
| CN2569049Y (en) * | 2002-08-23 | 2003-08-27 | 戴佳荔 | Heat pump type air conditioner operated by utilizing heat-electricity |
| CN2596283Y (en) * | 2002-09-09 | 2003-12-31 | 张振华 | Heat pump refrigeratng and heating device for solar greenhouse |
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2010
- 2010-06-07 CN CN2010101959582A patent/CN101839520B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357246B1 (en) * | 1999-12-30 | 2002-03-19 | Keum Su Jin | Heat pump type air conditioning apparatus |
| CN2569049Y (en) * | 2002-08-23 | 2003-08-27 | 戴佳荔 | Heat pump type air conditioner operated by utilizing heat-electricity |
| CN2596283Y (en) * | 2002-09-09 | 2003-12-31 | 张振华 | Heat pump refrigeratng and heating device for solar greenhouse |
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| CN101839520A (en) | 2010-09-22 |
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