CN102954596B - Solar water heating machine and heating method thereof - Google Patents
Solar water heating machine and heating method thereof Download PDFInfo
- Publication number
- CN102954596B CN102954596B CN201210480921.3A CN201210480921A CN102954596B CN 102954596 B CN102954596 B CN 102954596B CN 201210480921 A CN201210480921 A CN 201210480921A CN 102954596 B CN102954596 B CN 102954596B
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- water
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- heat
- temperature
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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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
- Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
-
- 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 water heating machine which comprises a water tank, a solar heat collector, a first heat exchanger, a heat pump, a three-way valve, a control device, a first water pump and a second water pump. The heat pump comprises a second heat exchanger, a compressor and a third heat exchanger which are connected in series to form a refrigerant cycle. The water tank is connected with the solar heat collector and the first water pump through the first end and the second end of the three-way valve; the water tank is connected with the second heat exchanger and the second water pump; the solar heat collector is connected with the first heat exchanger and the first water pump through the first end and the third end of the three-way valve; the control device is used for controlling the opening and closing of all ends of the three-way valve, for controlling the first and second water pumps and for controlling the compressor.
Description
Technical field
The present invention relates to a kind of solar water machine with and heating means.
Background technology
In prior art, shortage can better be utilized the method for solar energy, and particularly, in the situation that solar energy is faint, how making full use of solar energy resources is the problem that always perplexs technical staff.
Summary of the invention
The invention provides a kind of solar water machine with and heating means, it can better utilize solar energy resources.
The invention discloses a kind of solar water machine, it comprises water tank, solar thermal collector, First Heat Exchanger, heat pump, triple valve, control device, the first water pump and the second water pump, described heat pump comprises that mutual series connection is to form the second heat exchanger of refrigerant circulation, compressor and the 3rd heat exchanger, described water tank is connected with the second end by the first end of described triple valve with solar thermal collector and described the first water pump, described water tank is connected with the second heat exchanger and the second water pump, described solar thermal collector is connected by first end and the 3rd end of triple valve with described First Heat Exchanger and the first water pump, described control device is used for the switching of each end of controlling triple valve, be used for controlling the first water pump and the second water pump, be used for controlling compressor.
Preferably, the cold-producing medium in refrigerant circulation is freon.
Preferably, described First Heat Exchanger and described compressor and the second heat exchanger are in series.Preferably, described the 3rd heat exchanger is coil exchanger.
Preferably, described heat pump also comprises an expansion valve, and this expansion valve and described compressor, the second heat exchanger and the 3rd heat exchanger are in series.
Preferably, described expansion valve and described compressor, the second heat exchanger and First Heat Exchanger are in series.Heating means that adopt solar water machine, it comprises the following steps:
A) when the temperature t in water tank is lower than the first design temperature t
1time, the first end of triple valve and the 3rd end are connected, and water tank is connected with the second heat exchanger and the second water pump, and heat pump opens when operation, and solar water machine enters heat pump;
B) when water temperature t in water tank reaches the first design temperature t
1after, heat pump is out of service;
C) when water temperature t in water tank is lower than the first design temperature t
1-return difference temperature t
3time, the first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump;
D) if deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is more than or equal to the second design temperature t
2time, the first end of triple valve and the second end are connected, and solar thermal collector forms heat-exchanging water-circulation by the first water pump and water tank; If deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is less than the second design temperature t
2time, the first end of triple valve and the 3rd end are connected, and heat pump is opened, and water tank and the second heat exchanger form heat-exchanging water-circulation by the second water pump.
Preferably, described return difference temperature t
3be set as 0
~t
1.
Preferably, to deduct the mobility scale of the temperature △ t of the water inlet of First Heat Exchanger be 0 to the temperature of the delivery port of described First Heat Exchanger
~t
l.
Preferably, the first end of triple valve and the 3rd end are connected, when heat pump is opened, described solar thermal collector is by the first water pump and described First Heat Exchanger formation heat-exchanging water-circulation, described First Heat Exchanger and described compressor and the second heat exchanger formation refrigerant circulation that is in series.
The present invention adopts above structure and method, has the following advantages:
1, faint solar energy resources can be made full use of to improve the utilization rate of solar energy resources;
2, switching working mode optionally, better to utilize solar energy resources;
Brief description of the drawings
The structural representation that accompanying drawing 1 is heat exchanger of the present invention.
In accompanying drawing: 1, water tank; 2, triple valve; 3, the first water pump; 4, solar thermal collector; 5, First Heat Exchanger; 6, the second heat exchanger; 7, the 3rd heat exchanger; 8, compressor; 9, expansion valve; 10, the second water pump; A, first end; B, the second end; C, the 3rd end.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
As shown in Figure 1, the first embodiment of the present invention, a kind of solar water machine, it comprises water tank, solar thermal collector, First Heat Exchanger, heat pump, triple valve, control device, the first water pump and the second water pump, described heat pump comprises that mutual series connection is to form the second heat exchanger of refrigerant circulation, compressor and the 3rd heat exchanger, described water tank is connected with the second end by the first end of described triple valve with solar thermal collector and described the first water pump, described water tank is connected with the second heat exchanger and the second water pump, described solar thermal collector is connected by first end and the 3rd end of triple valve with described First Heat Exchanger and the first water pump, described control device is used for the switching of each end of controlling triple valve, be used for controlling the first water pump and the second water pump, be used for controlling compressor.
The first end of triple valve and the 3rd end are connected, water tank is connected with the second heat exchanger and the second water pump, and when heat pump is opened operation, solar thermal collector forms heat-exchanging water-circulation by the first water pump and described First Heat Exchanger, and the second heat exchanger in heat pump, compressor and the 3rd heat exchanger form refrigerant circulation, solar water machine enters heat pump pattern.
The first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump, and solar water machine enters solar energy heating pattern.In the time that sunshine irradiance is strong, provide domestic hot-water by solar thermal collector, now the second end B of triple valve and first end A connect, and this is solar energy heating pattern; In the time that sunshine irradiance is not strong, provide domestic hot-water by heat pump, now the 3rd end c of triple valve and first end A connect, and this is heat pump pattern, can maximally utilise like this solar energy, reaches energy-conservation object.
The processing method of solar thermal collector is by the switching of the each end for controlling triple valve, for controlling the first water pump and the second water pump, completing and comprise the following steps for controlling the control device of compressor:
A) when the temperature t in water tank is lower than the first design temperature t
1time, the first end of triple valve and the 3rd end are connected, and water tank is connected with the second heat exchanger and the second water pump, and heat pump opens when operation, and solar water machine enters heat pump.
B) when water temperature t in water tank reaches the first design temperature t
1after, heat pump is out of service;
C) when water temperature t in water tank is lower than the first design temperature t
1-return difference temperature t
3time, the first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump;
D) if deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is more than or equal to the second design temperature t
2time, the first end of triple valve and the second end are connected, and solar thermal collector forms heat-exchanging water-circulation by the first water pump and water tank; If deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is less than the second design temperature t
2time, the first end of triple valve and the 3rd end are connected, and heat pump is opened, and water tank and the second heat exchanger form heat-exchanging water-circulation by the second water pump.
Further, heat pump also comprises an expansion valve for the sake of security, and this expansion valve and described compressor, the second heat exchanger and the 3rd heat exchanger are in series.
Cold-producing medium in heat pump can be the corresponding intermediate mediums such as freon.
Wherein, the 3rd heat exchanger is coil exchanger.
The difference of the second embodiment of the present invention and the first embodiment exists: First Heat Exchanger is also in series with compressor and the second heat exchanger.The first end of triple valve and the 3rd end are connected, when heat pump is opened, described solar thermal collector is by the first water pump and described First Heat Exchanger formation heat-exchanging water-circulation, described First Heat Exchanger and described compressor and the second heat exchanger formation refrigerant circulation that is in series.
That is to say, in the time starting heat pump pattern, solar water machine can further pass to the second heat exchanger by the energy that is not enough to completely water be heated of collecting from solar thermal collector.So, even can realize sunshine irradiance deficiency time, still can supplement the heat of solar water machine.
Further, heat pump also comprises when expansion valve and described compressor, the second heat exchanger and the 3rd heat exchanger are in series and described compressor, the second heat exchanger and First Heat Exchanger are in series for the sake of security.The processing method of solar thermal collector comprises the following steps:
A) when the temperature t in water tank is lower than the first design temperature t
1time, far below referring to lower than the more than 100% of the first design temperature, the first end of triple valve and the 3rd end are connected, and water tank is connected with the second heat exchanger and the second water pump, and heat pump opens when operation, and solar water machine enters heat pump;
B) when water temperature t in water tank reaches the first design temperature t
1after, heat pump is out of service;
C) when water temperature t in water tank is a little less than the first design temperature t
1-return difference temperature t
3time, (t
3be set as 0
~t
1) time, a little less than referring to lower than 0
~between 100%, the first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump;
D) if deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is more than or equal to the second design temperature t
2time, the first end of triple valve and the second end are connected, and solar thermal collector forms heat-exchanging water-circulation by the first water pump and water tank; If deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is less than the second design temperature t
2time, the first end of triple valve and the 3rd end are connected, and heat pump is opened, and water tank and the second heat exchanger form heat-exchanging water-circulation by the second water pump.
Concrete, A) when the temperature t in water tank is during lower than 10 DEG C, the first end of triple valve and the 3rd end are connected, and water tank is connected with the second heat exchanger and the second water pump, and heat pump opens while operation, and solar water machine enters heat pump;
B) when water temperature t in water tank reaches after 10 DEG C, heat pump is out of service;
C) as (t during lower than O DEG C of water temperature t in water tank
3be 10 DEG C), the first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump;
D) if the temperature of the delivery port of First Heat Exchanger deducts the temperature △ t of the water inlet of First Heat Exchanger while being more than or equal to 10 DEG C of the second design temperatures, the first end of triple valve and the second end are connected, and solar thermal collector forms heat-exchanging water-circulation by the first water pump and water tank; If the temperature of the delivery port of First Heat Exchanger deducts the temperature △ t of the water inlet of First Heat Exchanger while being less than 10 DEG C of the second design temperatures, the first end of triple valve and the 3rd end are connected, heat pump is opened, and water tank and the second heat exchanger form heat-exchanging water-circulation by the second water pump.
Above specific embodiment of the present invention is illustrated in conjunction with diagram, not leaving on the basis of scope and spirit of the present invention clearly, can much revise prior art and technique.Under of the present invention, in technical field, the common knowledge of a GPRS, just can, within the scope of technology main idea of the present invention, carry out diversified change.
Claims (4)
1. the heating means of a solar water machine, described solar water machine comprises water tank, solar thermal collector, First Heat Exchanger, heat pump, triple valve, control device, the first water pump and the second water pump, described heat pump comprises that mutual series connection is to form the second heat exchanger of refrigerant circulation, compressor and the 3rd heat exchanger, described water tank is connected with the second end by the first end of described triple valve with solar thermal collector and described the first water pump, described water tank is connected with the second heat exchanger and the second water pump, described solar thermal collector is connected by first end and the 3rd end of triple valve with described First Heat Exchanger and the first water pump, described control device is used for the switching of each end of controlling triple valve, be used for controlling the first water pump and the second water pump, be used for controlling compressor,
It is characterized in that: described heating means comprise the following steps:
A) when the temperature t in water tank is lower than the first design temperature t
1time, the first end of triple valve and the 3rd end are connected, and water tank is connected with the second heat exchanger and the second water pump, and heat pump opens when operation, and solar water machine enters heat pump;
B) when water temperature t in water tank reaches the first design temperature t
1after, heat pump is out of service;
C) when water temperature t in water tank is lower than the first design temperature t
1-return difference temperature t
3time, the first end of triple valve and the 3rd end are connected, the solar thermal collector formation heat-exchanging water-circulation that is connected with First Heat Exchanger by the first water pump;
D) if deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is more than or equal to the second design temperature t
2time, the first end of triple valve and the second end are connected, and solar thermal collector forms heat-exchanging water-circulation by the first water pump and water tank; If deducting the temperature △ t of the water inlet of First Heat Exchanger, the temperature of the delivery port of First Heat Exchanger is less than the second design temperature t
2time, the first end of triple valve and the 3rd end are connected, and heat pump is opened, and water tank and the second heat exchanger form heat-exchanging water-circulation by the second water pump.
2. according to the heating means described in claim 1, it is characterized in that: described return difference temperature t
3be set as 0 ~ t
1.
3. according to the heating means described in claim 1, it is characterized in that: the mobility scale that the temperature of the delivery port of described First Heat Exchanger deducts the temperature △ t of the water inlet of First Heat Exchanger is 0 ~ t
l.
4. heating means according to claim 1, it is characterized in that: the first end of triple valve and the 3rd end are connected, when heat pump is opened, described solar thermal collector is by the first water pump and described First Heat Exchanger formation heat-exchanging water-circulation, described First Heat Exchanger and described compressor and the second heat exchanger formation refrigerant circulation that is in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480921.3A CN102954596B (en) | 2012-11-23 | 2012-11-23 | Solar water heating machine and heating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480921.3A CN102954596B (en) | 2012-11-23 | 2012-11-23 | Solar water heating machine and heating method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102954596A CN102954596A (en) | 2013-03-06 |
| CN102954596B true CN102954596B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210480921.3A Active CN102954596B (en) | 2012-11-23 | 2012-11-23 | Solar water heating machine and heating method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175259B (en) * | 2013-04-11 | 2015-07-15 | 中天同圆太阳能高科技有限公司 | Controlling method of solar heating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087058A (en) * | 2011-03-18 | 2011-06-08 | 苏州苏净安发空调有限公司 | Three-in-one solar heat pump unit |
| CN102221270A (en) * | 2011-07-15 | 2011-10-19 | 中山市爱美泰电器有限公司 | Device used for providing cool and warm as well as domestic hot water and adopting heat pump set linked with solar energy |
| CN102563896A (en) * | 2010-12-15 | 2012-07-11 | 太仓南极风能源设备有限公司 | Solar heat pump water heater |
| CN202993575U (en) * | 2012-11-23 | 2013-06-12 | 苏州苏净安发空调有限公司 | Solar water heater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2899671B1 (en) * | 2006-04-11 | 2015-03-06 | Michel Louis Dupraz | HEATING SYSTEM, REFRIGERATION AND PRODUCTION OF SANITARY HOT WATER BY SOLAR SENSOR COMBINED WITH A HEAT PUMP AND A THERMAL RESERVE AT LOW TEMPERATURE. |
-
2012
- 2012-11-23 CN CN201210480921.3A patent/CN102954596B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563896A (en) * | 2010-12-15 | 2012-07-11 | 太仓南极风能源设备有限公司 | Solar heat pump water heater |
| CN102087058A (en) * | 2011-03-18 | 2011-06-08 | 苏州苏净安发空调有限公司 | Three-in-one solar heat pump unit |
| CN102221270A (en) * | 2011-07-15 | 2011-10-19 | 中山市爱美泰电器有限公司 | Device used for providing cool and warm as well as domestic hot water and adopting heat pump set linked with solar energy |
| CN202993575U (en) * | 2012-11-23 | 2013-06-12 | 苏州苏净安发空调有限公司 | Solar water heater |
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| Publication number | Publication date |
|---|---|
| CN102954596A (en) | 2013-03-06 |
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Address after: 215122 No. 2, new road, Suzhou Industrial Park, Jiangsu, China Patentee after: Suzhou Sujing Anfa Environmental Technology Co.,Ltd. Address before: 215122 No. 2, new road, Suzhou Industrial Park, Jiangsu, China Patentee before: SUZHOU SUJING AIM FAR AIR CONDITIONING Co.,Ltd. |