CN214581356U - Solar-energy-based auxiliary heating and domestic hot water supply system - Google Patents
Solar-energy-based auxiliary heating and domestic hot water supply system Download PDFInfo
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- CN214581356U CN214581356U CN202120789218.5U CN202120789218U CN214581356U CN 214581356 U CN214581356 U CN 214581356U CN 202120789218 U CN202120789218 U CN 202120789218U CN 214581356 U CN214581356 U CN 214581356U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 391
- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000008236 heating water Substances 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 14
- 239000003034 coal gas Substances 0.000 abstract description 7
- 239000003345 natural gas Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000010079 rubber tapping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009182 swimming Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides an auxiliary heating and domestic hot water supply system based on solar energy, include: the water outlet of the solar water heater is communicated with the water collecting tank through a water outlet pipeline, the water inlet of the solar water heater is communicated with the water collecting tank through a water inlet pipeline, a water pump is arranged on the water inlet pipeline, an electromagnetic valve is arranged on the water outlet pipeline, a water feeding pipeline is arranged on the water collecting tank, one end of the water feeding pipeline is connected with a water return pipeline, and the other end of the water feeding pipeline is communicated with the water collecting tank; a water feeding pump is arranged on the water feeding pipeline; a temperature sensor and a liquid level meter are arranged in the water collecting tank, and the temperature sensor is electrically connected with the controller; the controller is respectively connected with the electromagnetic valve, the water pump, the liquid level meter and the solar water heater; the bottom of the water collecting tank is provided with an external interface for outputting water, the external interface is communicated with a water supply pipeline, and the water supply pipeline is communicated with a water return pipeline. The scheme can realize the mode of heating by utilizing solar heating water, and can reduce the use amount of coal or natural gas in the heating season.
Description
Technical Field
The utility model relates to a warm logical and for drainage technical field, especially involve and be a supplementary heating and supply life hot water system based on solar energy.
Background
The heating and domestic hot water supply are the living needs of residents living in northern areas of China, are social services, and simultaneously solve the basic living needs of the residents living in the northern areas of China, most of the existing heating is municipal central heating, but with the development of technology, small gas heating equipment is also installed in partial areas and families in the south of China for heating in winter and supplying the domestic hot water.
At present, most northern heating adopts a coal or gas fired boiler for winter heating, coal or natural gas belongs to non-renewable resources, and especially combustion of coal causes huge pollution to the environment, so that equipment capable of reducing the using amount of coal or natural gas is required to be manufactured.
SUMMERY OF THE UTILITY MODEL
In order to make the equipment that can reduce coal or natural gas use quantity, the utility model provides an auxiliary heating system based on solar energy, specific technical scheme is as follows:
the embodiment of the utility model provides a supplementary heating and supply life hot water system based on solar energy, include:
the solar water heater comprises a solar water heater and a water collecting tank, wherein a water outlet of the solar water heater is communicated with the water collecting tank through a water outlet pipeline, a water inlet of the solar water heater is communicated with the water collecting tank through a water inlet pipeline, a water pump is arranged on the water inlet pipeline and is used for conveying water in the water collecting tank to the solar water heater, and an electromagnetic valve is arranged on the water outlet pipeline and is used for controlling the on-off of the water outlet pipeline;
a water feeding pipeline is arranged on the water collecting tank, one end of the water feeding pipeline is connected with a water return pipeline, and the other end of the water feeding pipeline is communicated with the water collecting tank; a water feeding pump is arranged on the water feeding pipeline;
a controller is arranged outside the water collection tank, a temperature sensor and a liquid level meter are arranged inside the water collection tank, and the temperature sensor is electrically connected with the controller; the controller is respectively connected with the electromagnetic valve, the water pump, the liquid level meter and the solar water heater; the bottom of jar that catchments is provided with the external tapping that is used for exporting water, external tapping intercommunication water supply pipe, water supply pipe with return water pipeline intercommunication.
Further, an electric heating wire is arranged inside the water collecting tank and heats water stored in the water collecting tank; and the power supply is used for supplying power to the heating wire.
Further, the controller is a PLC controller or a single chip microcomputer.
Further, a protective cover is arranged on the outer side of the controller.
Further, the liquid level meter is a ball valve liquid level meter.
The embodiment of the utility model provides an auxiliary heating and confession life hot water system based on solar energy, include: the solar water heater comprises a solar water heater and a water collecting tank, wherein a water outlet of the solar water heater is communicated with the water collecting tank through a water outlet pipeline, a water inlet of the solar water heater is communicated with the water collecting tank through a water inlet pipeline, a water pump is arranged on the water inlet pipeline and is used for conveying water in the water collecting tank to the solar water heater, and an electromagnetic valve is arranged on the water outlet pipeline and is used for controlling the on-off of the water outlet pipeline; a water feeding pipeline is arranged on the water collecting tank, one end of the water feeding pipeline is connected with a water return pipeline, and the other end of the water feeding pipeline is communicated with the water collecting tank; a water feeding pump is arranged on the water feeding pipeline; a controller is arranged outside the water collection tank, a temperature sensor and a liquid level meter are arranged inside the water collection tank, and the temperature sensor is electrically connected with the controller; the controller is respectively connected with the electromagnetic valve, the water pump, the liquid level meter and the solar water heater; the bottom of jar that catchments is provided with the external tapping that is used for exporting water, external tapping intercommunication water supply pipe, water supply pipe with return water pipeline intercommunication. In the using process, the controller receives the temperature of the water in the water collecting tank detected by the temperature sensor and judges whether the temperature is lower than a preset temperature, when the temperature is lower than the preset temperature, the controller controls the water pump to be started, the water pump pumps the water stored in the water collecting tank into the solar water heater, the solar water heater heats the water in the solar water heater by utilizing the solar light, after the water is heated to the preset temperature, the controller controls the electromagnetic valve to be opened and simultaneously controls the water pump to be started, the hot water in the solar energy is conveyed into the water collecting tank, the cold water in the water collecting tank is conveyed into the solar water heater, the circulating heating is realized until the water in the water collecting tank reaches the preset temperature, then, a user can adopt the hot water in the water collecting tank to heat through an external connection port arranged on the water collecting tank, and the water feeding pipeline can be a heating water return pipeline, in this scheme, through setting up the level gauge, can the water level in the real-time supervision jar that catchments, after the water level in the jar that catchments is less than the predetermined value, the user can add water to the jar that catchments through the water pipe. By adopting the scheme provided by the scheme, the mode of heating by utilizing solar heating water can be realized, and the use amount of coal or natural gas in the heating season can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of an auxiliary heating and domestic hot water supply system based on solar energy according to an embodiment of the present invention.
Fig. 2 is an internal structure schematic diagram of a water collecting tank provided by the embodiment of the utility model.
Fig. 3 is a schematic diagram of a control connection of a controller according to an embodiment of the present invention.
Reference numerals:
the solar water heater comprises a solar water heater 1, a water collecting tank 2, a water outlet pipeline 3, a water inlet pipeline 4, a water pump 5, an electromagnetic valve 6, a water feeding pipeline 7, a water return pipeline 8, a water feeding pump 9, a controller 10, a temperature sensor 11, a liquid level meter 12, an external interface 13, a water supply pipeline 14, an electric heating wire 15, a power supply 16 and a protective cover 17.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a solar-based auxiliary heating and domestic hot water supply system, including: the solar water heater comprises a solar water heater 1 and a water collecting tank 2, wherein a water outlet of the solar water heater 1 is communicated with the water collecting tank 2 through a water outlet pipeline 3, a water inlet of the solar water heater 1 is communicated with the water collecting tank 2 through a water inlet pipeline 4, a water pump 5 is arranged on the water inlet pipeline 4, the water pump 5 is used for conveying water in the water collecting tank 2 to the solar water heater 1, an electromagnetic valve 6 is arranged on the water outlet pipeline 3, and the electromagnetic valve 6 is used for controlling the on-off of the water outlet pipeline 3; a water feeding pipeline 7 is arranged on the water collecting tank 2, one end of the water feeding pipeline 7 is connected with a water return pipeline 8, and the other end of the water feeding pipeline 7 is communicated with the water collecting tank 2; a water feeding pump 9 is arranged on the water feeding pipeline 7; a controller 10 is arranged outside the water collecting tank 2, a temperature sensor 11 and a liquid level meter 12 are arranged inside the water collecting tank 2, and the temperature sensor 11 is electrically connected with the controller 10; the controller 10 is respectively connected with the electromagnetic valve 6, the water pump 5, the liquid level meter 12 and the solar water heater 1; the bottom of the water collecting tank 2 is provided with an external interface 13 for outputting water, the external interface 13 is communicated with a water supply pipeline 14, and the water supply pipeline 14 is communicated with the water return pipeline 8.
Specifically, the solar water heater 1 can be an existing solar water heater 1 and can be purchased directly, in the scheme, a plurality of solar water heaters 1 can be connected to form a solar water heater 1 group, or a single solar water heater 1, the number and the types of the solar water heaters 1 are not limited, and when a plurality of solar water heaters 1 are connected, the water collecting tanks 2 of the solar water heaters 1 can be directly communicated through pipelines to form a heating loop; when the scheme of connecting a plurality of solar water heaters 1 is adopted, each solar water heater 1 is respectively connected with a controller 10; the controller 10 receives the temperature of the water in the solar water heater 1 in real time, and it should be noted that the solar water heater 1 transmits the water temperature to the controller 10, which belongs to a conventional means in the field, that is, the existing solar water heater 1 can directly display the water temperature, and in the scheme, the method for the controller 10 to receive the temperature of the solar water heater 1 is not improved.
Above-mentioned jar 2 that catchments can directly purchase and obtain, in this scheme, for better for the user provides hot water, can adopt insulation material to adhere to the lateral wall at above-mentioned jar 2 that catchments, and then improve jar 2 that catchments's heat preservation performance. The heat insulation material can be directly purchased and obtained, such as the existing heat insulation plate, heat insulation foam and the like; the present embodiment is not limited to specific types thereof.
The method for controlling the water pump 5 and the electromagnetic valve 6 by the controller 10 belongs to the conventional technical means in the field, and the embodiment does not improve the method, and the method for controlling the water pump 5 to be opened or closed by the controller 10 according to the water temperature in the water collecting tank 2 belongs to the conventional means in the field, for example, the application numbers are as follows: CN201721633644.X, the name is in a constant temperature control circulating water pump 5 system, a constant temperature control circulating water pump 5 system is disclosed, including controller 10, controller 10 is connected with the heat exchanger through temperature regulator, temperature sensor 11 is installed at the heat exchanger exit, and the heat exchanger is connected with controller 10 through temperature sensor 11, the heat exchanger is installed at swimming pool water inlet, the swimming pool leads to pipe and flocculation basin intercommunication, circulating water pump 5 is installed at swimming pool water outlet, the flocculation basin leads to pipe and oxidation pond is connected, and install the sand filtration jar on the water pipe between flocculation basin and the oxidation pond, automatic control valve is installed at circulating water pump 5 exit, automatic control valve is connected with controller 10 electricity. The utility model discloses compact structure, convenient to use carries out real-time detection through carrying out real-time detection to winter and summer two seasons water equipment heat exchanger outlet temperature, sets for invariable temperature, and 5 actual water supply volumes of water pump 5 are adjusted to 5 export automatic control valves's aperture of control water pump, reach real-time control water yield reduction evaporation capacity in winter, finally realize the purpose of water conservation economize on electricity. In this solution, the controller 10 controls the operation of the water pump 5 according to the water temperature, and the control method can be directly applied to the present application for realizing: when the water temperature of the water in the water collecting tank 2 is lower than the preset temperature, the water pump 5 is controlled to be started, and the water in the water collecting tank 2 is pumped into the solar water heater 1; the scheme is limited to the case that sunlight exists on the day, whether the sunlight exists or not can be obtained according to the fact that the controller 10 receives the change of the water temperature in the solar water heater 1, and when the water temperature in the solar water heater 1 is reduced and is lower than the temperature value sensed by the temperature sensor 11, the water pump 5 is not controlled to be started no matter whether the temperature value sensed by the temperature sensor 11 is lower than the preset temperature or not. In this embodiment, it is a conventional method in the art to compare the two temperatures and perform corresponding control according to the comparison result, and this scheme is not improved.
Specifically, the controller 10 is connected to the liquid level meter 12, and obtains the liquid level value in real time, which belongs to a conventional method in the field, the scheme does not improve how the controller 10 obtains the value of the liquid level meter 12, the controller 10 obtains the value of the liquid level meter 12 in real time, and notifies the value to the user, when the value is lower than a predetermined value, for example, lower than 50cm, the user needs to add water into the water collection tank 2 manually, so as to ensure that the water source in the water collection tank 2 is sufficient, and the water adding mode can be that water is added through a water pipe water receiving faucet.
The three pipeline intercommunications of water supply pipe 14, return water pipe 8, water feeding pipe 7 constitute heating return circuit, and in practical application, the user can adjust the length and the mounted position of return water pipe 8 according to actual demand, realizes the heating to the predetermined area.
In the using process, the controller 10 receives the temperature of the water in the water collecting tank 2 detected by the temperature sensor 11 and judges whether the temperature is lower than a preset temperature, when the temperature is lower than the preset temperature, the controller 10 controls the water pump 5 to be started, the water pump 5 pumps the water stored in the water collecting tank 2 to the solar water heater 1, the solar water heater 1 heats the water in the solar water heater 1 by utilizing the solar light, after the water is heated to the preset temperature, the controller 10 controls the electromagnetic valve 6 to be started and simultaneously controls the water pump 5 to be started, hot water in the solar energy is conveyed to the water collecting tank 2, cold water in the water collecting tank 2 is conveyed to the solar water heater 1, the circulating heating is realized until the water in the water collecting tank 2 reaches the preset temperature, and then a user can use the hot water in the water collecting tank 2 for heating through an external connection port 13 arranged on the water collecting tank 2, above-mentioned water pipe 7 can be the return water pipe 8 of heating, in this scheme, through setting up level gauge 12, can the water level in real-time supervision jar 2 that catchments, and after the water level in jar 2 that catchments was less than the predetermined value, the user can add water to jar 2 that catchments through the water pipe. By adopting the scheme provided by the scheme, the mode of heating by utilizing solar heating water can be realized, and the use amount of coal or natural gas in the heating season can be reduced.
In a specific embodiment, a heating wire 15 is provided inside the water collection tank 2, and the heating wire 15 heats the water stored in the water collection tank 2; and a power supply 16 for supplying power to the heating wire 15. In this embodiment, the heating wire 15 is added to compensate for the heating requirement in cloudy days or at night, that is, when the solar water heater 1 cannot heat water without sunlight, the heating wire 15 is powered to heat water in the first water collecting tank 2.
In a specific embodiment, the controller 10 is a PLC controller or a single chip microcomputer.
In one embodiment, a protective cover 17 is provided on the outside of the controller 10. The protection cover 17 is arranged on the outer side of the controller 10, so that the controller 10 can be effectively protected.
In a specific embodiment, the solar water heater further comprises a water pipeline, the water pipeline is connected with the external interface 13, and a valve is arranged on the water pipeline.
In one embodiment, the gauge 12 is a ball valve gauge.
The embodiment of the utility model provides an auxiliary heating and confession life hot water system based on solar energy, include: the solar water heater comprises a solar water heater 1 and a water collecting tank 2, wherein a water outlet of the solar water heater 1 is communicated with the water collecting tank 2 through a water outlet pipeline 3, a water inlet of the solar water heater 1 is communicated with the water collecting tank 2 through a water inlet pipeline 4, a water pump 5 is arranged on the water inlet pipeline 4, the water pump 5 is used for conveying water in the water collecting tank 2 to the solar water heater 1, an electromagnetic valve 6 is arranged on the water outlet pipeline 3, and the electromagnetic valve 6 is used for controlling the on-off of the water outlet pipeline 3; a water feeding pipeline 7 is arranged on the water collecting tank 2, one end of the water feeding pipeline 7 is connected with a water return pipeline 8, and the other end of the water feeding pipeline 7 is communicated with the water collecting tank 2; a water feeding pump 9 is arranged on the water feeding pipeline 7; a controller 10 is arranged outside the water collecting tank 2, a temperature sensor 11 and a liquid level meter 12 are arranged inside the water collecting tank 2, and the temperature sensor 11 is electrically connected with the controller 10; the controller 10 is respectively connected with the electromagnetic valve 6, the water pump 5, the liquid level meter 12 and the solar water heater 1; the bottom of the water collecting tank 2 is provided with an external interface 13 for outputting water, the external interface 13 is communicated with a water supply pipeline 14, and the water supply pipeline 14 is communicated with the water return pipeline 8. In the using process, the controller 10 receives the temperature of the water in the water collecting tank 2 detected by the temperature sensor 11 and judges whether the temperature is lower than a preset temperature, when the temperature is lower than the preset temperature, the controller 10 controls the water pump 5 to be started, the water pump 5 pumps the water stored in the water collecting tank 2 to the solar water heater 1, the solar water heater 1 heats the water in the solar water heater 1 by utilizing the solar light, after the water is heated to the preset temperature, the controller 10 controls the electromagnetic valve 6 to be started and simultaneously controls the water pump 5 to be started, hot water in the solar energy is conveyed to the water collecting tank 2, cold water in the water collecting tank 2 is conveyed to the solar water heater 1, the circulating heating is realized until the water in the water collecting tank 2 reaches the preset temperature, and then a user can use the hot water in the water collecting tank 2 for heating through an external connection port 13 arranged on the water collecting tank 2, above-mentioned water pipe 7 can be the return water pipe 8 of heating, in this scheme, through setting up level gauge 12, can the water level in real-time supervision jar 2 that catchments, and after the water level in jar 2 that catchments was less than the predetermined value, the user can add water to jar 2 that catchments through the water pipe. By adopting the scheme provided by the scheme, the mode of heating by utilizing solar heating water can be realized, and the use amount of coal or natural gas in the heating season can be reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. An auxiliary heating and domestic hot water supply system based on solar energy, comprising:
the solar water heater comprises a solar water heater (1) and a water collecting tank (2), wherein a water outlet of the solar water heater (1) is communicated with the water collecting tank (2) through a water outlet pipeline (3), a water inlet of the solar water heater (1) is communicated with the water collecting tank (2) through a water inlet pipeline (4), a water pump (5) is arranged on the water inlet pipeline (4), the water pump (5) is used for conveying water in the water collecting tank (2) to the solar water heater (1), an electromagnetic valve (6) is arranged on the water outlet pipeline (3), and the electromagnetic valve (6) is used for controlling the on-off of the water outlet pipeline (3);
a water feeding pipeline (7) is arranged on the water collecting tank (2), one end of the water feeding pipeline (7) is connected with a water return pipeline (8), and the other end of the water feeding pipeline is communicated with the water collecting tank (2); a water feeding pump (9) is arranged on the water feeding pipeline (7);
a controller (10) is arranged outside the water collecting tank (2), a temperature sensor (11) and a liquid level meter (12) are arranged inside the water collecting tank (2), and the temperature sensor (11) is electrically connected with the controller (10); the controller (10) is respectively connected with the electromagnetic valve (6), the water pump (5), the liquid level meter (12) and the solar water heater (1); the bottom of the water collecting tank (2) is provided with an external interface (13) for outputting water, the external interface (13) is communicated with a water supply pipeline (14), and the water supply pipeline (14) is communicated with the water return pipeline (8).
2. The solar-based auxiliary heating and domestic hot water system according to claim 1, wherein the water collection tank (2) is internally provided with a heating wire (15), the heating wire (15) heating water stored in the water collection tank (2); and the electric heating wire is characterized by also comprising a power supply (16) for supplying power to the electric heating wire (15).
3. The solar-based auxiliary heating and domestic hot water system according to claim 1, wherein said controller (10) is a PLC controller or a single chip microcomputer.
4. Solar-based auxiliary heating and domestic hot water system according to any of claims 1-3, characterized in that a protective cover (17) is arranged outside the control (10).
5. Solar-based auxiliary heating and domestic hot water system according to any of claims 1-3, wherein the level gauge (12) is a ball valve level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120789218.5U CN214581356U (en) | 2021-04-19 | 2021-04-19 | Solar-energy-based auxiliary heating and domestic hot water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120789218.5U CN214581356U (en) | 2021-04-19 | 2021-04-19 | Solar-energy-based auxiliary heating and domestic hot water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214581356U true CN214581356U (en) | 2021-11-02 |
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ID=78360352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120789218.5U Expired - Fee Related CN214581356U (en) | 2021-04-19 | 2021-04-19 | Solar-energy-based auxiliary heating and domestic hot water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214581356U (en) |
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2021
- 2021-04-19 CN CN202120789218.5U patent/CN214581356U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |