CN216644330U - Household solar heating and hot water combined supply system - Google Patents
Household solar heating and hot water combined supply system Download PDFInfo
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- CN216644330U CN216644330U CN202220002677.9U CN202220002677U CN216644330U CN 216644330 U CN216644330 U CN 216644330U CN 202220002677 U CN202220002677 U CN 202220002677U CN 216644330 U CN216644330 U CN 216644330U
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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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Abstract
The utility model provides a household solar heating and hot water combined supply system, which comprises a solar heat collector, a solar heat supply device, a cold water pipe, a hot water pipe, a water supply main pipe and a water return main pipe, wherein the water supply main pipe and the water return main pipe are connected with a heating tail end, the solar heat supply device consists of a water tank, a support and a plurality of vacuum solar heat collecting pipes inserted into the water tank, the water tank comprises a shell, an inner container and a heat exchanger which are arranged in the shell and a heat insulation layer arranged between the shell and the inner container, the household solar heating and hot water combined supply system can solve the problems of heating and supplying domestic hot water, hot water does not have overheating risks in non-heating seasons, the structure is simple, and the solar photo-thermal utilization rate is high.
Description
Technical Field
The utility model relates to a household heating system, in particular to a household solar heating and hot water combined supply system.
Background
Most areas in China have abundant solar energy resources, and the solar heating and hot water combined supply system for the household is widely popularized and applied, so that the carbon emission of buildings is reduced, and meanwhile, the solar heating and hot water combined supply system has good economic and social benefits.
At present, a solar heating system commonly adopted in rural areas in the north generally takes a compact solar water heater as a heat collecting and storing part, and carries heat to the tail end of a room for heating through pipeline circulation. Although the system has a simple structure, the system has many disadvantages, for example, in order to ensure the heating effect, a plurality of groups of solar water heaters are required to be arranged, the bearing requirement on the roof is high, in non-heating seasons, the overheating condition exists, the water temperature in the water tank can reach 100 ℃, and potential safety hazards exist during use; because the temperature is lower at night in northern areas, the water tank has large volume and large heat loss, and because the water quantity is too much, the average water temperature is lower, and the heat which is effectively utilized is less; if there is the hot water demand of life, need increase the life water tank, not only occupy indoor space, there is moreover because of the heat demand is big in the heating season, and life water tank temperature can not reach the target temperature, needs the problem of auxiliary heating, has further increased the cost.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a household solar heating and hot water combined supply system which can be used for heating and supplying domestic hot water, has no overheating risk of hot water in non-heating seasons, has a simple structure and high solar photo-thermal utilization rate, and aims to overcome the defects of the prior art.
In order to solve the technical problems, the utility model adopts the technical scheme that: the household solar heating and hot water combined supply system comprises a solar heat collector, a solar heating device, a cold water pipe, a hot water pipe, a water supply main pipe and a water return main pipe, wherein the water supply main pipe and the water return main pipe are connected with a heating tail end; the solar heat supply device comprises a water tank, a support and a plurality of evacuated solar collector tubes inserted into the water tank, wherein the water tank comprises a shell, an inner container and a heat exchanger which are arranged in the shell, and a heat insulation layer arranged between the shell and the inner container; the solar heat collector is provided with a circulating inlet and a circulating outlet, the circulating inlet is communicated with the water supply port, the circulating outlet is communicated with the water return pipe, a circulating pump is arranged on a pipe section between the circulating outlet and the water return pipe, and the hot water pipe is communicated with an outlet of the circulating pump and the water return pipe; and a heating pump is arranged on the water return main pipe. During heating, the heating pump is started, the circulating pump is started simultaneously, and heat in the solar heat collector and the solar heat supply device continuously exchanges heat and is conveyed to the heating end through the heat exchanger and the heating pump. When the domestic hot water is used, the circulating pump is started, the hot water is conveyed to the water using end through the hot water pipe under the pressure of the drop and the circulating pump, and the automatic liquid supplementing tank automatically supplements cold water.
Preferably, a three-way valve is arranged on a pipe section between the circulating outlet and the circulating pump, an inlet A of the three-way valve is communicated with an inlet of the circulating pump, an outlet B of the three-way valve is communicated with a water supply port through a pipeline, and a reversing port C of the three-way valve is communicated with the circulating outlet. When in heating, the inlet A of the three-way valve is controlled to be communicated with the reversing port C, so that the maximum heating and heating effects of the system are exerted; in non-heating seasons, the inlet A and the outlet B of the three-way valve are controlled to be communicated, so that hot water of the solar heat collector does not directly enter the solar heat supply device, and the temperature of hot water outlet water is prevented from being too high.
Preferably, the solar heat collector is a vacuum tube type solar heat collector, and the heat exchanger is a plate heat exchanger. The vacuum tube type solar heat collector is less affected by air temperature, has better thermal performance in winter, and the plate heat exchanger has large heat exchange area, small volume and small temperature difference between an inlet and an outlet, thereby being beneficial to ensuring the supply of hot water.
Preferably, the top of the water tank is provided with an air outlet.
Preferably, the automatic liquid replenishing tank is a floating ball type automatic water replenishing tank.
Preferably, an expansion tank is arranged on the water supply main pipe or the water return main pipe.
The utility model has the beneficial effects that:
1. the heating and the domestic water are double loops, so that domestic hot water can be supplied while the tail end is heated;
2. under the condition of the same daylighting area, the solar thermal collector has lighter weight, reduces the load of a roof, has less medium in the solar thermal collector and less circulating water of the system, improves the outlet water temperature of the system, and reduces the heat loss caused by the fact that low-temperature hot water cannot be utilized;
3. in non-heating seasons, hot water of the solar heat collector does not directly enter the solar heat supply device by controlling the three-way valve, and redundant heat can be discharged to the atmosphere, so that the problem of overhigh outlet water temperature is effectively avoided;
4. when the domestic hot water demand is large, the heating pump is turned off, the heat supply at the tail end of heating is reduced, and the domestic hot water supply is preferentially ensured.
Drawings
Fig. 1 is a schematic structural view of a solar heating and hot water combined supply system for a user according to the present invention.
In the figure, 1: a solar heat collector; 101: a recycle outlet; 102: a circulation inlet; 2: a solar heating device; 201: a water supply port; 202: a water return port; 203: a heat exchanger; 204: a media outlet; 205: a media inlet; 206: a water inlet; 3: an automatic liquid replenishing box; 4: a circulation pump; 5: a three-way valve; 6: a heating terminal; 7: a heating pump; 8: a water supply main pipe; 9: a water return main pipe; 10: a water return pipe; 11: a hot water pipe.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to examples.
Example 1: as shown in fig. 1, the household solar heating and hot water combined supply system disclosed by the utility model comprises a solar heat collector 1, a solar heating device 2, a cold water pipe, a hot water pipe 11, a water supply main pipe 8 and a water return main pipe 9, wherein the water supply main pipe 8 and the water return main pipe 9 are connected with a heating tail end 6; the solar heating device 2 comprises a water tank, a support and a plurality of evacuated solar collector tubes inserted into the water tank, wherein the water tank comprises a shell, an inner container and a heat exchanger 203 which are arranged in the shell, and a heat insulation layer between the shell and the inner container, one end of the inner container is provided with a water supply port 201, the other end of the inner container is provided with a water return port 202, the heat exchanger 203 is provided with a water inlet 206, a water outlet, a medium inlet 205 and a medium outlet 204, the water inlet 206 extends out of the shell and is connected with a water return pipe 10, the water outlet is connected with the water return port 202, the medium inlet 205 is connected with a water return header pipe 9, the medium outlet 204 is connected with a water supply header pipe 8, the top of the water tank is provided with an automatic liquid supplementing tank 3, a water supplementing port of the automatic liquid supplementing tank 3 is communicated with the inner container, and a water feeding port of the automatic liquid supplementing tank is connected with a cold water pipe; the solar heat collector 1 is provided with a circulating inlet 102 and a circulating outlet 101, the circulating inlet 102 is communicated with a water supply port 201, the circulating outlet 101 is communicated with a water return pipe 10, a circulating pump 4 is arranged on a pipe section between the circulating outlet 101 and the water return pipe 10, and a hot water pipe 11 is communicated with an outlet of the circulating pump 4 and the water return pipe 10; and a heating pump 7 is arranged on the water return main pipe 9. During heating, the heating pump 7 is started, the circulating pump 4 is started simultaneously, and heat in the solar heat collector 1 and the solar heat supply device 2 continuously exchanges heat and is conveyed to the heating terminal 6 through the heat exchanger 203 and the heating pump 7. When using the domestic hot water, the circulating pump 4 is started, the hot water is conveyed to the water using end through the hot water pipe 11 under the pressure of the circulating pump 4 and the automatic liquid supplementing tank 3 is automatically supplemented with cold water.
Further, a three-way valve 5 is arranged on a pipe section between the circulation outlet 101 and the circulation pump 4, an inlet a of the three-way valve 5 is communicated with an inlet of the circulation pump 4, an outlet B of the three-way valve 5 is communicated with the water supply port 201 through a pipeline, and a reversing port C of the three-way valve 5 is communicated with the circulation outlet 101. When in heating, the inlet A of the three-way valve 5 is controlled to be communicated with the reversing port C, so that the maximum heating and heating effects of the system are exerted; in non-heating seasons, the inlet A and the outlet B of the three-way valve 5 are controlled to be communicated, so that hot water in the solar heat collector 1 does not directly enter the solar heat supply device 2, and the temperature of the hot water outlet is prevented from being too high.
Further, the solar heat collector 1 is a vacuum tube type solar heat collector, and the heat exchanger 203 is a plate heat exchanger.
Further, an air outlet is formed in the top of the water tank. The height of the exhaust port is not lower than that of the automatic liquid replenishing box 3.
Further, the automatic liquid supplementing tank 3 is a floating ball type automatic water supplementing tank, the floating ball valve is automatically closed when water is full, and automatic water supplementing is performed after the water level is reduced.
Furthermore, an expansion tank is arranged on the water supply main pipe 8 or the water return main pipe 9. The expansion tank absorbs the expansion of the medium in the heating loop to prevent the over-high pressure of the system.
Claims (6)
1. The household solar heating and hot water combined supply system is characterized in that: the system comprises a solar heat collector, a solar heat supply device, a cold water pipe, a hot water pipe, a water supply main pipe and a water return main pipe, wherein the water supply main pipe and the water return main pipe are connected with the tail end of heating;
the solar heat supply device comprises a water tank, a support and a plurality of evacuated solar collector tubes inserted into the water tank, wherein the water tank comprises a shell, an inner container and a heat exchanger which are arranged in the shell, and a heat insulation layer arranged between the shell and the inner container;
the solar heat collector is provided with a circulating inlet and a circulating outlet, the circulating inlet is communicated with the water supply port, the circulating outlet is communicated with the water return pipe, a circulating pump is arranged on a pipe section between the circulating outlet and the water return pipe, and the hot water pipe is communicated with an outlet of the circulating pump and the water return pipe;
and a heating pump is arranged on the water return main pipe.
2. The system of claim 1, wherein the system comprises: and a three-way valve is arranged on a pipe section between the circulating outlet and the circulating pump, the inlet of the three-way valve is communicated with the inlet of the circulating pump, the outlet of the three-way valve is communicated with a water supply port through a pipeline, and a reversing port of the three-way valve is communicated with the circulating outlet.
3. The system for supplying solar heating and hot water as claimed in claim 1, wherein: the solar heat collector is a vacuum tube type solar heat collector, and the heat exchanger is a plate heat exchanger.
4. The system of claim 1, wherein the system comprises: and an exhaust port is arranged at the top of the water tank.
5. The system of claim 1, wherein the system comprises: the automatic liquid supplementing tank is a floating ball type automatic water supplementing tank.
6. The system of claim 1, wherein the system comprises: and an expansion tank is arranged on the water supply main pipe or the water return main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220002677.9U CN216644330U (en) | 2022-01-04 | 2022-01-04 | Household solar heating and hot water combined supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220002677.9U CN216644330U (en) | 2022-01-04 | 2022-01-04 | Household solar heating and hot water combined supply system |
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| Publication Number | Publication Date |
|---|---|
| CN216644330U true CN216644330U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220002677.9U Active CN216644330U (en) | 2022-01-04 | 2022-01-04 | Household solar heating and hot water combined supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116592194A (en) * | 2023-06-30 | 2023-08-15 | 赫里欧新能源有限公司 | Circulating water pipeline connection structure and novel photovoltaic photo-thermal building surface layer system |
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2022
- 2022-01-04 CN CN202220002677.9U patent/CN216644330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116592194A (en) * | 2023-06-30 | 2023-08-15 | 赫里欧新能源有限公司 | Circulating water pipeline connection structure and novel photovoltaic photo-thermal building surface layer system |
| CN116592194B (en) * | 2023-06-30 | 2024-04-02 | 赫里欧新能源有限公司 | Circulating water pipeline connection structure and novel photovoltaic photo-thermal building surface layer system |
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