Zero-carbon heat supply system

By integrating photovoltaic and solar thermal modules with an AC/DC coupled direct-heat pump control system, the pollution and greenhouse gas emission problems of traditional heating systems have been solved, achieving the goal of zero-carbon heating and improving heating efficiency and energy utilization.

CN223580033UActive Publication Date: 2025-11-21RICHU DONGFANG SOLAR ENERGY +1
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Patent Information

Application Number
CN202423224531.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-21
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional coal-fired or gas-fired boiler heating systems produce air pollutants and greenhouse gases. Existing clean energy heating systems rely on fossil fuels and are difficult to achieve zero-carbon heating.

Method used

The system employs integrated photovoltaic and solar thermal components and AC/DC coupled direct-heat pumps, combined with a control system, to achieve solar heating and supplemental mains power supply. Integrated operation is achieved through the integrated control of an electric three-way valve, a heating circulation pump, a water supply booster pump, and a temperature sensor.

Benefits of technology

It provides efficient heating under different weather conditions, achieves zero-carbon heating, improves heating efficiency, adapts to changes in sunlight, and ensures maximum heating stability and energy efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223580033U_ABST
Patent Text Reader

Abstract

The utility model relates to a zero-carbon heat supply system which comprises a photovoltaic photo-thermal integrated assembly, an alternating current and direct current coupling driving direct-heating heat pump, a control system and a water tank, and a photovoltaic power generation assembly is connected with a photovoltaic direct current power supply end of the alternating current and direct current coupling driving direct-heating heat pump through a circuit. The control system comprises an electric three-way valve, a heating circulating pump, a water supply booster pump, a water supplementing electromagnetic valve, a water tank temperature sensor and a control cabinet, the water inlet end of the water heat exchanger is connected with a second port of the electric three-way valve through a water pipeline, and the water outlet end of the water heat exchanger is connected with a third port of the electric three-way valve through a water pipeline; a third port of the electric three-way valve is connected with the water inlet end of the alternating-current and direct-current coupling drive direct-heating heat pump, the water outlet end of the alternating-current and direct-current coupling drive direct-heating heat pump is connected with a water inlet of the water tank, and a first port of the electric three-way valve is connected with a water outlet of the water tank through a pipeline. According to the design, high-efficiency zero-carbon heat supply can be realized.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of heat supply technology, in particular to a zero-carbon heat supply system. BACKGROUND

[0002] Traditional coal-fired or gas-fired boiler heat supply systems produce a large amount of air pollutants, such as sulfur dioxide, nitrogen oxides and particulate matter, affecting air quality. Although gas-fired boilers are relatively clean, they still rely on fossil fuels and produce greenhouse gas emissions.

[0003] The use of green and low-carbon energy has become an inevitable trend in the development of production and life. Solar energy is a clean and renewable energy that uses solar radiation energy to generate electricity or heat. Because solar energy is constantly radiated from the sun to the earth and does not produce pollutants or greenhouse gases, it is widely considered one of the most sustainable and environmentally friendly energy sources. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to achieve the goal of zero-carbon heat supply, and a zero-carbon heat supply system is proposed.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a zero-carbon heat supply system, comprising a photovoltaic-photothermal integrated assembly, an AC-DC coupled driving direct heat pump, a control system and a water tank, characterized in that the photovoltaic-photothermal integrated assembly comprises a photovoltaic power generation assembly and a water heat exchanger, the water heat exchanger is arranged on the back of the photovoltaic power generation assembly, and the photovoltaic power generation assembly and the photovoltaic DC power supply end of the AC-DC coupled driving direct heat pump are connected through an electric circuit. The control system comprises an electric three-way valve, a heating circulating pump, a water supply booster pump, a water replenishment electromagnetic valve, a water tank temperature sensor and a control cabinet, the water inlet end of the water heat exchanger is connected with the second port of the electric three-way valve through a water pipeline, the water outlet end of the water heat exchanger is connected with the third port of the electric three-way valve through a water pipeline, the third port of the electric three-way valve is connected with the water inlet end of the AC-DC coupled driving direct heat pump, the water outlet end of the AC-DC coupled driving direct heat pump is connected with the water inlet of the water tank, the first port of the electric three-way valve is connected with the water outlet of the water tank through a pipeline, and the heating circulating pump is connected in series between the pipelines.

[0006] As a further scheme of the utility model: the water tank is provided with a water replenishment port, the water replenishment port is connected with tap water through a water replenishment pipeline, and the water replenishment pipeline is connected in series with a water replenishment electromagnetic valve. By arranging the water replenishment electromagnetic valve, when the water level in the water tank is lower than the set value, the water replenishment electromagnetic valve is opened, cold water enters the water tank, and when the set water level is reached, the water replenishment electromagnetic valve is closed, achieving automatic water replenishment.

[0007] As a further scheme of the utility model: water tank temperature sensor is arranged on the bottom side wall of the water tank. The water tank temperature sensor is arranged on the water tank and connected with the electric appliance cabinet for control, so that the water tank temperature can be known in time and operation is facilitated.

[0008] As a further scheme of the utility model: the water tank is provided with a water supply port, the water supply port is connected with a water faucet through a water supply pipeline, and a water supply booster pump is connected in series between the water supply pipelines. When it is detected that water is needed at the end or the water temperature in the main pipe is lower than the set value, the water supply booster pump is started to realize zero cold water heating at the end.

[0009] As a further scheme of the utility model: valves are arranged on both sides of the pipeline of the heating circulating pump, the water replenishing electromagnetic valve and the water supply booster pump. The valves are arranged to facilitate maintenance when a fault occurs.

[0010] As a further scheme of the utility model: the alternating current power supply end of the alternating current-direct current coupling driving direct heating heat pump is connected with a commercial power circuit. When the illumination is insufficient, the commercial power circuit can be used to supply power, alternating current-direct current coupling driving is realized, the energy efficiency is maximized, and zero carbon heating is possible.

[0011] As a further scheme of the utility model: the control end of the alternating current-direct current coupling driving direct heating heat pump, the electric three-way valve, the heating circulating pump, the water supply booster pump, the water replenishing electromagnetic valve and the water tank temperature sensor are connected with the control cabinet through a circuit. In this way, the control cabinet control system can be operated, and integrated operation is realized.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The photovoltaic light heat integrated assembly and the alternating current-direct current coupling driving heat pump are combined to heat, which is suitable for different weather conditions, improves the heating efficiency and realizes efficient zero carbon heating.

[0014] 2. The control end of the alternating current-direct current coupling driving direct heating heat pump, the electric three-way valve, the heating circulating pump, the water supply booster pump, the water replenishing electromagnetic valve and the water tank temperature sensor are connected with the control cabinet through a circuit. In this way, the control cabinet control system can be operated, and integrated operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] In the drawing: 1, photovoltaic power generation assembly; 2, water heat exchanger; 3, alternating current-direct current coupling driving direct heating heat pump; 4, electric three-way valve; 5, heating circulating pump; 6, water supply booster pump; 7, water replenishing electromagnetic valve; 8, control cabinet; 9, water tank temperature sensor 10, water tank. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figure 1 The utility model provides the following technical scheme:

[0019] A zero-carbon heating system, including photovoltaic light heat integration assembly, AC coupling drive straight heat pump 3, control system and water tank 10, photovoltaic light heat integration assembly includes photovoltaic power generation assembly 1 and water heat exchanger 2, water heat exchanger 2 is arranged at the back of photovoltaic power generation assembly 1, the photovoltaic power generation assembly 1 and the photovoltaic DC power supply end of AC coupling drive straight heat pump 3 are connected through circuit. The control system includes electric three-way valve 4, heating circulating pump 5, water supply booster pump 6, water supplement solenoid valve 7, water tank 10 temperature sensor 9 and control cabinet 8, the water inlet end of water heat exchanger 2 is connected with the second port of electric three-way valve 4 through water pipeline, the water outlet end of water heat exchanger 2 is connected with the third port of electric three-way valve 4 through water pipeline, the third port of electric three-way valve 4 is connected with the water inlet end of AC coupling drive straight heat pump 3, the water outlet end of AC coupling drive straight heat pump 3 is connected with the water inlet of water tank 10, the first port of electric three-way valve 4 is connected with the water outlet of water tank 10 through pipeline, and the pipeline is connected with heating circulating pump 5 in series.

[0020] The water tank 10 is provided with a water supplement port, the water supplement port is connected with tap water through a water supplement pipeline, and the water supplement pipeline is connected with a water supplement solenoid valve 7 in series. When the water level of the water tank 10 is lower than a set value, the water supplement solenoid valve 7 is opened, cold water enters the water tank 10, and when the set water level is reached, the water supplement solenoid valve 7 is closed, so that water supplement automation is realized.

[0021] The water tank 10 temperature sensor 9 is arranged on the side wall of the bottom of the water tank 10. The water tank 10 temperature sensor 9 is arranged on the water tank 10 and connected with the electric appliance cabinet for control, so that the temperature of the water tank 10 can be known in time, and operation is facilitated.

[0022] The water tank 10 is provided with a water supply port, the water supply port is connected with a faucet through a water supply pipeline, and the water supply pipeline is connected with a water supply booster pump 6 in series. When it is detected that water is needed at the end or the water temperature in the main pipe is lower than a set value, the water supply booster pump 6 is opened, and end heating zero cold water is realized.

[0023] Valves are arranged on both sides of the pipeline of the heating circulating pump 5, the water replenishing electromagnetic valve 7 and the water supply booster pump 6.

[0024] The AC power supply end of the AC-DC coupled driving direct heating heat pump 3 is connected with the power supply circuit.

[0025] The control end of the AC-DC coupled driving direct heating heat pump 3, the electric three-way valve 4, the heating circulating pump 5, the water supply booster pump 6, the water replenishing electromagnetic valve 7 and the water tank temperature sensor 9 are connected with the control cabinet 8 through lines.

[0026] In the use of the utility model, in good weather, when the end needs water and the water temperature of the water tank is lower than the set temperature, the heating circulating pump 5 is opened by operating the control cabinet 8, the first port and the second port of the electric three-way valve 4 are communicated, the cold water of the water tank 10 is heated by the photovoltaic and photo-thermal integrated assembly using solar energy resources, and after the water temperature is raised by the water heat exchanger 2, the cold water enters the AC-DC coupled driving direct heating heat pump 3, and after being heated by the heat pump, the cold water flows back to the water tank 10 for use by the end.

[0027] In the use of the utility model, in good weather, when the end needs water and the water temperature of the water tank is lower than the set temperature, the heating circulating pump 5 is opened by operating the control cabinet 8, the first port and the second port of the electric three-way valve 4 are communicated, the cold water of the water tank 10 is heated by the photovoltaic and photo-thermal integrated assembly using solar energy resources, and after the water temperature is raised by the water heat exchanger 2, the cold water enters the AC-DC coupled driving direct heating heat pump 3, and after being heated by the heat pump, the cold water flows back to the water tank 10 for use by the end.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A zero-carbon heating system, comprising a photovoltaic-photothermal integrated assembly, an AC-DC coupled driving direct heating heat pump (3), a control system and a water tank (10), characterized in that: The photovoltaic and photo-thermal integrated assembly comprises a photovoltaic power generation assembly (1) and a water heat exchanger (2), the water heat exchanger (2) is arranged on the back of the photovoltaic power generation assembly (1), the photovoltaic power generation assembly (1) and the photovoltaic direct current power supply end of the alternating current and direct current coupling driving direct heating heat pump (3) are connected through an electric circuit; the control system comprises an electric three-way valve (4), a heating circulating pump (5), a water supply booster pump (6), a water replenishing electromagnetic valve (7), a water tank (10) temperature sensor (9) and a control cabinet (8), the water inlet end of the water heat exchanger (2) is connected with the second port of the electric three-way valve (4) through a water pipeline, the water outlet end of the water heat exchanger (2) is connected with the third port of the electric three-way valve (4) through a water pipeline, the third port of the electric three-way valve (4) is connected with the water inlet end of the alternating current and direct current coupling driving direct heating heat pump (3), the water outlet end of the alternating current and direct current coupling driving direct heating heat pump (3) is connected with the water inlet of the water tank (10), the first port of the electric three-way valve (4) is connected with the water outlet of the water tank (10) through a pipeline, and the heating circulating pump (5) is connected in series between the pipelines.

2. A zero-carbon heating system according to claim 1, wherein: The water tank (10) is provided with a water replenishing port, the water replenishing port is connected with tap water through a water replenishing pipeline, and the water replenishing pipeline is connected in series with the water replenishing electromagnetic valve (7).

3. A zero-carbon heating system according to claim 2, wherein: The water tank (10) temperature sensor (9) is arranged on the bottom side wall of the water tank (10).

4. A zero-carbon heating system according to claim 1, wherein: The water tank (10) is provided with a water supply port, the water supply port is connected with a faucet through a water supply pipeline, and the water supply pipeline is connected in series with the water supply booster pump (6).

5. A zero-carbon heating system according to claim 1, wherein: Valves are arranged on both sides of the pipelines of the heating circulating pump (5), the water replenishing electromagnetic valve (7) and the water supply booster pump (6).

6. A zero-carbon heating system according to claim 1, wherein: The alternating current power supply end of the alternating current and direct current coupling driving direct heating heat pump (3) is connected with a commercial power circuit.

7. A zero-carbon heating system according to claim 1, wherein: The control end of the alternating current and direct current coupling driving direct heating heat pump (3), the electric three-way valve (4), the heating circulating pump (5), the water supply booster pump (6), the water replenishing electromagnetic valve (7) and the water tank (10) temperature sensor (9) are connected with the control cabinet (8) through lines.