CN216522443U - Overheat-proof household solar water heating system capable of applying waste heat - Google Patents
Overheat-proof household solar water heating system capable of applying waste heat Download PDFInfo
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- CN216522443U CN216522443U CN202123260981.8U CN202123260981U CN216522443U CN 216522443 U CN216522443 U CN 216522443U CN 202123260981 U CN202123260981 U CN 202123260981U CN 216522443 U CN216522443 U CN 216522443U
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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
- 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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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model provides an overheating prevention household solar water heating system capable of applying waste heat, when a heat storage water tank is overheated, if indoor heating is needed, redundant heat is led into a heat exchanger, if indoor heating is not needed, redundant heat is led into a radiator, and the solar heat collector is prevented from overheating and smoldering, so that the whole system is ensured to run stably; a water inlet main pipe is arranged at a water outlet of the solar heat collector, and water inlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel to the water inlet main pipe; the water return port of the solar heat collector is provided with a water return main pipe, and the water outlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel on the water return main pipe.
Description
Technical Field
The utility model belongs to the technical field of household solar hot water, and particularly relates to an anti-overheating household solar hot water system capable of applying waste heat.
Background
The household solar split hot water system is one of the main forms of hot water for household houses such as low-density houses, independent villas and the like. At present, a flat plate collector or a vacuum tube metal collector is used as a heat source, and a pressure-bearing water tank, a solar pump station and a circulating pipeline with larger capacity are configured.
However, the system has a disadvantage that when a user uses hot water untimely or the usage amount is small, the solar system is overheated, and the conventional system overheating treatment mode mainly comprises water tank high-temperature protection and heat collector overheating protection, namely, the water pump stops heat exchange forcibly. At this moment, the risk of smoldering and drying the pressure release exists in the solar collector, causes the overheated carbonization of heat medium and leakage loss in the system, pollutes user's house environment, perhaps frequently releases the pressure moisturizing, causes the scale more in the closed pipeline, and in the long run, solar energy system heat transfer effect is poor to cause the waste of solar energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an overheating prevention household solar water heating system capable of applying waste heat, when the heat storage water tank is overheated, if indoor heating is needed, redundant heat is led into a heat exchanger, and if indoor heating is not needed, redundant heat is led into a radiator, so that the solar heat collector is prevented from being overheated and smoldered, and the whole system is ensured to operate stably.
The utility model is realized by the following technical scheme:
an overheating prevention household solar water heating system capable of applying waste heat comprises a solar heat collector, a heat storage water tank, a radiator and a heat exchanger, wherein the output end of the heat exchanger is circularly communicated with a floor heating water supply system;
a water inlet main pipe is arranged at a water outlet of the solar heat collector, and water inlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel to the water inlet main pipe;
the water return port of the solar heat collector is provided with a water return main pipe, and the water outlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel on the water return main pipe.
Furthermore, a heat exchange coil is arranged in the heat storage water tank, and a water inlet and a water outlet of the heat exchange coil are respectively communicated with the water inlet main pipe and the water return main pipe.
Furthermore, one end of the water inlet main pipe, which is far away from the solar heat collector, is connected in parallel with a first water inlet branch and a second water inlet branch through an electromagnetic three-way valve, and the first water inlet branch is communicated with a water inlet of the heat exchange coil;
the second water inlet branch is connected with a third water inlet branch and a fourth water inlet branch in parallel, the third water inlet branch is communicated with the water inlet of the radiator through a heat dissipation valve, and the fourth water inlet branch is communicated with the water inlet of the heat exchanger through a heat exchange valve.
Further, the radiator is installed the top of heat storage water tank, the heat exchanger is installed the bottom of heat storage water tank, radiator, heat storage water tank and heat exchanger setting are in the box shell.
Further, the radiator is an air-cooled radiator.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the overheating in the heat storage water tank reaches a set value, if heating is needed indoors, the redundant heat of the solar heat collector is guided into the heat exchanger, indoor heating is conducted through the heat exchanger, and if heating is not needed indoors, the redundant heat is guided into the radiator, so that the solar heat collector is prevented from being overheated and smoldered, and the stable operation of the whole system is guaranteed;
the solar water heater disclosed by the utility model is more suitable for the use habit of the current user, not only can guarantee the solar water heating requirement, but also can apply redundant solar energy, so that the solar energy is utilized to the maximum extent, and the energy conservation is guaranteed. The utility model optimizes the mode of overheating protection of the center of the household solar water heater, ensures the reliable and stable operation of the system pipeline and the heating medium, and improves the use experience of users;
2. the radiator, the heat exchanger and the heat exchange coil belong to three heat exchange devices connected in parallel, the pressure drop loss is basically consistent, and the stable operation is ensured;
3. radiator, heat storage water tank and heat exchanger set up in the box shell to form integrated multi-functional water tank, simple structure, simple to operate.
Drawings
FIG. 1 is a schematic structural diagram of an anti-overheating household solar water heating system according to the present invention;
in the figure: 1. solar collector, 2, solar energy circulating pump, 3, radiator, 4, heat exchanger, 5, electromagnetism three-way valve, 6, heat exchange valve, 7, radiator valve, 8, heat storage water tank, 9, multi-functional water tank, 10, heat transfer coil pipe, 11, water inlet main, 12, return water house steward, 13, first branch road of intaking, 14, second branch road of intaking, 15, third branch road of intaking, 16, fourth branch road of intaking.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the utility model discloses an overheating prevention household solar water heating system capable of applying waste heat, which comprises a solar heat collector 1, a solar circulating pump 2, a radiator 3, a heat exchanger 4, an electromagnetic three-way valve 5, a heat exchange valve 6, a heat dissipation valve 7, a heat storage water tank 8 and a multifunctional water tank 9, wherein the output end of the heat exchanger 4 is circularly communicated with a floor heating water supply system for indoor heating. A water inlet main pipe 11 is installed at a water outlet of the solar heat collector 1, a water return main pipe 12 is installed at a water outlet of the solar heat collector 1, and the solar circulating pump 2 is installed on the water return main pipe 12.
Install heat exchange coil 10 in heat storage water tank 8, radiator 3 installs at heat storage water tank 8's outside top, and in this embodiment, radiator 3 adopts air-cooled radiator 3, and heat exchanger 4 installs in heat storage water tank 8's outside bottom. One end of the water inlet main pipe 11, which is far away from the solar heat collector 1, is connected in parallel with a first water inlet branch 13 and a second water inlet branch 14 through an electromagnetic three-way valve 5, the first water inlet branch 13 is communicated with a water inlet of the heat exchange coil 10, the second water inlet branch 14 is connected in parallel with a third water inlet branch 15 and a fourth water inlet branch 16, the third water inlet branch 15 is communicated with a water inlet of the radiator 3 through a heat dissipation valve 7, and the fourth water inlet branch 16 is communicated with a water inlet of the heat exchanger 4 through a heat exchange valve 6. The heat storage water tank 8, the radiator 3 and the water outlet of the heat exchanger 4 are connected in parallel on the water return main pipe 12 through three one-way pipes.
In order to realize equipment centralization and convenient installation, the radiator 3, the heat exchange valve 6, the heat dissipation valve 7, the heat storage water tank 8 and the heat exchanger 4 are arranged in a box body shell of the multifunctional water tank 9, and joints of all pipelines are reserved on the side wall of the box body shell of the multifunctional water tank 9.
The working modes of the overheating-prevention household solar water heating system capable of applying waste heat mainly comprise two modes: 1. hot water + heating mode 2, hot water + heat dissipation mode, above two modes are the hot water that satisfies heat storage water tank 8 and take precedence. For convenience of description, T1 is the temperature of the water outlet of the solar heat collector 1, T2 is the temperature of water in the hot water storage tank 8, and T3 is the temperature of return water of the heat exchanger 4. The two modes specifically work as follows:
hot water + heating mode: in the heating season, when T1-T2 is more than or equal to 8 ℃ (can be set) and T2 is less than or equal to 55 ℃ (can be set), the solar circulating pump 2 is started, the heat dissipation valve 7 and the heat exchange valve 6 are closed, the electromagnetic three-way valve 5 enables the water inlet header pipe 11 to be communicated with the first water inlet branch, so that the solar heat collector 1 is communicated with the heating coil in a circulating mode, and the heat storage water tank 8 is used for heating;
when T2 is larger than 55 ℃ (can be set) and T1-T3 is larger than or equal to 5 ℃ (can be set), the solar circulating pump 2 is started, the heat dissipation valve 7 is closed, the heat exchange valve 6 is opened, the electromagnetic three-way valve 5 enables the water inlet main pipe 11 to be communicated with the second water inlet branch, the second water inlet branch is communicated with the fourth water inlet branch 16, and therefore the solar heat collector 1 and the heat exchanger 4 are communicated in a circulating mode to supply heat for floor heating;
when the above conditions are not met, the solar circulating pump 2 is automatically turned off.
Hot water + heat dissipation mode: in a non-heating season, when T1-T2 is more than or equal to 8 ℃ (can be set) and T2 is less than or equal to 55 ℃ (can be set), the solar circulating pump 2 is started, the heat dissipation valve 7 and the heat exchange valve 6 are closed, the electromagnetic three-way valve 5 enables the water inlet header pipe 11 to be communicated with the first water inlet branch, so that the solar heat collector 1 is communicated with the heating coil in a circulating mode, and the heat storage water tank 8 is used for heating;
when T2 is larger than 75 ℃ (can be set) and T1 is larger than or equal to 90 ℃ (can be set), the solar circulating pump 2 is started, the heat dissipation valve 7 is started, the heat exchange valve 6 is closed, the electromagnetic three-way valve 5 enables the water inlet header pipe 11 to be communicated with the second water inlet branch, the second water inlet branch is communicated with the third water inlet branch 15, and therefore the solar heat collector 1 and the heat dissipater 3 are communicated in a circulating mode to dissipate heat of the solar system;
when none of the above conditions is satisfied, the solar circulation pump 2 is turned off.
The solar water heater disclosed by the utility model is more suitable for the use habit of the current user, not only can guarantee the solar water heating requirement, but also can apply redundant solar energy, so that the solar energy is utilized to the maximum extent, and the energy conservation is guaranteed. The utility model optimizes the mode of overheating protection of the center of the household solar water heater, ensures the reliable and stable operation of the system pipeline and the heating medium, and improves the use experience of users.
Claims (5)
1. An overheating prevention household solar water heating system capable of applying waste heat comprises a solar heat collector and a heat storage water tank, and is characterized by further comprising a radiator and a heat exchanger, wherein the output end of the heat exchanger is circularly communicated with a floor heating water supply system;
a water inlet main pipe is arranged at a water outlet of the solar heat collector, and water inlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel to the water inlet main pipe;
the water return port of the solar heat collector is provided with a water return main pipe, and the water outlets of the heat storage water tank, the radiator and the heat exchanger are connected in parallel on the water return main pipe.
2. The anti-overheating household solar water heating system according to claim 1, wherein a heat exchange coil is arranged in the heat storage water tank, and a water inlet and a water outlet of the heat exchange coil are respectively communicated with the water inlet main pipe and the water return main pipe.
3. The anti-overheating household solar water heating system according to claim 2, wherein one end of the water inlet main pipe, which is far away from the solar heat collector, is connected with a first water inlet branch and a second water inlet branch in parallel through an electromagnetic three-way valve, and the first water inlet branch is communicated with the water inlet of the heat exchange coil;
the second water inlet branch is connected with a third water inlet branch and a fourth water inlet branch in parallel, the third water inlet branch is communicated with the water inlet of the radiator through a heat dissipation valve, and the fourth water inlet branch is communicated with the water inlet of the heat exchanger through a heat exchange valve.
4. An anti-overheating household solar water heating system as claimed in any one of claims 1 to 3, wherein the heat radiator is mounted on the top of the hot water storage tank, the heat exchanger is mounted on the bottom of the hot water storage tank, and the heat radiator, the hot water storage tank and the heat exchanger are arranged in a tank body shell.
5. An anti-overheating household solar water heating system according to any one of claims 1-3, wherein the heat sink is an air-cooled heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260981.8U CN216522443U (en) | 2021-12-23 | 2021-12-23 | Overheat-proof household solar water heating system capable of applying waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260981.8U CN216522443U (en) | 2021-12-23 | 2021-12-23 | Overheat-proof household solar water heating system capable of applying waste heat |
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| Publication Number | Publication Date |
|---|---|
| CN216522443U true CN216522443U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260981.8U Active CN216522443U (en) | 2021-12-23 | 2021-12-23 | Overheat-proof household solar water heating system capable of applying waste heat |
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| Country | Link |
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| CN (1) | CN216522443U (en) |
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2021
- 2021-12-23 CN CN202123260981.8U patent/CN216522443U/en active Active
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