CN211781372U

CN211781372U - Central heating equipment

Info

Publication number: CN211781372U
Application number: CN201922495641.XU
Authority: CN
Inventors: 曾智勇; 梁荣; 张增添
Original assignee: Qingdao Aineng Smart Equipment Co ltd
Current assignee: Qingdao Aineng Smart Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-27
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical equipment field of warm logical, especially, relate to a central heating equipment. Central heating equipment includes: a circulation system for storing circulating water; the solar heat collector comprises a solar heat collecting pipe, and the air source heat pump and the solar heat collecting pipe are both communicated with the circulating system and are used for circulating water to flow through and heat the circulating water; and the heating system is used for exchanging heat energy with the photovoltaic power generation heat collector and/or the solar heat collector and radiating the exchanged heat energy to a preset target. The utility model discloses an have at least one and heat transfer structure formation heat energy exchange circuit in air source heat pump and the solar energy collection pipe to central heating equipment's reliability has been improved.

Description

Central heating equipment

Technical Field

The utility model belongs to the technical equipment field of warm logical, especially, relate to a central heating equipment.

Background

In recent years, the problem of energy shortage is becoming more severe, and countries seek and develop richer and more stable sustainable energy sources such as solar energy, wind energy, tidal energy and the like in a dispute. In addition, the haze pollution frequently outbreaks in China, the degree is more serious, the body health of residents and the safety and smoothness of traffic are influenced, and the significant negative influence is brought to social production and life. And the pollution emission caused by coal-fired heating is one of the main causes of haze.

At present, the photovoltaic power generation installation amount is rapidly increased due to government support and the inherent advantage of solar energy, so that central heating equipment driven by clean energy is widely applied, such as an air source heat pump, a solar heat collector and the like.

However, in the market of the clean energy heating field, the heating form is single. Namely, the air source heat pump is used for heating, or the solar heat collector is used for heating. However, such a single heating mode is prone to cause problems such as unstable heating. Namely, once the air source heat pump or the solar heat collector is out of order, the heating is interrupted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a central heating equipment aims at solving the problem that how to improve central heating equipment reliability.

The utility model provides a central heating equipment, include:

a circulation system for storing circulating water;

the solar heat collector comprises a solar heat collecting pipe for receiving solar thermal energy, and the air source heat pump and the solar heat collecting pipe are both communicated with the circulating system and are used for circulating water to flow through and heat the circulating water; and

the heating system comprises a heat exchange structure, wherein the heat exchange structure is used for exchanging heat energy with the photovoltaic power generation heat collector and/or the solar heat collector and radiating the heat energy to a preset target by the exchanged heat energy.

The technical effects of the utility model are that: at least one of the air source heat pump and the solar heat collecting pipe forms a heat exchange loop with the heat exchange structure, so that the heat exchange structure has a plurality of heat exchange modes, the interruption of heating caused by the fault of one of the air source heat pump and the solar heat collecting pipe is avoided, and the reliability of the central heating equipment is improved.

Drawings

Fig. 1 is a schematic structural diagram of a central heating system according to an embodiment of the present invention;

the correspondence between reference numbers and names in the drawings is as follows:

100. central heating equipment; 10. a circulation system; 101. a heat collection system; 50. a heating system; 11. a water storage tank; 111. a first water replenishing port; 21. a solar heat collecting pipe; 22. a solar photovoltaic panel; 14. A stop valve; 20. a solar heat collector; 24. a photovoltaic heat collector; 23. an air source heat pump; 251. an electricity storage structure; 252. a photovoltaic controller; 253. an inverter; 254. an alternating current electricity storage box; 255. an equipment power distribution structure; 40. a carbon crystal wall; 30. a heat exchange structure; 32. a heat exchange assembly; 31. a heating water tank; 33. a water tank; 34. a heat exchanger; 331. a second water replenishing port; 61. a first solenoid valve; 62. a second solenoid valve; 63. A third electromagnetic valve; 64. a fourth solenoid valve; 65. a fifth solenoid valve; 71. a first circulation pump; 72. a second circulation pump; 73. a third circulation pump; 74. a fourth circulation pump; 66. a sixth electromagnetic valve;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "vertical", "parallel", "bottom", "angle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship.

Referring to fig. 1, a central heating apparatus 100 according to an embodiment of the present invention includes a circulation system 10, a heat collecting system 101, and a heating system 50. The circulation system 10 includes a storage tank 11 for storing circulating water and a plurality of pipes. The pipeline is used for connecting the water storage tank 11, the heat collecting system 101 and the heating system 50. In particular, the circulating water is liquid water or other fluid medium. The heat collecting system 101 is disposed outdoors and includes a photovoltaic heat collector and a solar heat collector 20. The photovoltaic power generation heat collector comprises a solar photovoltaic panel 22 for receiving sunlight and converting light energy into electric energy and an air source heat pump 23 which is electrically connected with the solar photovoltaic panel 22 and converts electric energy into heat energy, and the solar heat collector 20 comprises a solar heat collecting tube 21 for receiving sunlight. The air source heat pump 23 and the solar heat collecting pipe 21 are both communicated with the water storage tank 11 and are used for circulating water to flow through and heat the circulating water. Specifically, the photovoltaic heat collector converts light energy into electric energy, and then converts the electric energy into heat energy of circulating water, and the solar heat collector 20 directly converts the light energy into the heat energy of the circulating water. The heating system 50 includes a heat exchange structure 30, and the heat exchange structure 30 is used for exchanging heat energy with the photovoltaic power generation heat collector and/or the solar heat collector 20 and radiating the exchanged heat energy to a predetermined target. Specifically, a heat energy exchange loop is formed among the heat exchange structure 30, the water storage tank 11 and the air source heat pump 23, low-temperature circulating water flowing out of the water storage tank 11 is heated by the air source heat pump 23 into high-temperature circulating water, the high-temperature circulating water is subjected to heat energy exchange with the heat exchange structure 30, and the heat exchange structure 30 thermally radiates the obtained heat energy to a preset target, so that heating is realized. Similarly, a heat energy exchange loop is formed among the heat exchange structure 30, the water storage tank 11 and the solar heat collecting pipes 21, low-temperature circulating water flowing out of the water storage tank 11 is heated by the solar heat collecting pipes 21 to form high-temperature circulating water, the high-temperature circulating water is subjected to heat energy exchange with the heat exchange structure 30, and the heat exchange structure 30 thermally radiates the obtained heat energy to a preset target, so that heating is realized.

At least one of the air source heat pump 23 and the solar heat collecting pipe 21 and the heat exchanging structure 30 form a heat exchanging loop, so that the heat exchanging structure 30 has a plurality of heat exchanging modes, and the interruption of heating caused by the failure of one of the air source heat pump 23 or the solar heat collecting pipe 21 is avoided, thereby improving the reliability of the central heating equipment 100.

In one embodiment, a plurality of solar heat collecting pipes 21 are arranged at intervals, each solar heat collecting pipe 21 is sequentially communicated, at least one solar heat collecting pipe 21 is communicated to the water storage tank 11, and at least one solar heat collecting pipe 21 is communicated to the heat exchanging structure 30.

Referring to fig. 1, in an embodiment, a solar photovoltaic panel 22 is disposed between any two adjacent solar heat collecting tubes 21, and two ends of the solar photovoltaic panel 22 are respectively connected to the two corresponding solar heat collecting tubes 21. Specifically, the solar heat collecting pipes 21 are disposed at both ends of the solar photovoltaic panel 22, so that the central heating facility 100 has a compact structure and occupies a small space. And the circulating water is arranged in the solar heat collecting pipe 21, so that the heat generated by the solar photovoltaic panel 22 can be taken away, the heat dissipation of the solar photovoltaic panel 22 is realized, and the service life of the solar photovoltaic panel 22 is prolonged.

In one embodiment, the solar photovoltaic panels 22 are arranged in series, or the solar photovoltaic panels 22 are arranged in parallel.

In one embodiment, the solar heat collecting pipes 21 are arranged in a plurality of groups, each group including three solar heat collecting pipes 21 arranged at intervals.

In one embodiment, the sunlight receiving surfaces of the solar photovoltaic panels 22 are disposed coplanar.

In one embodiment, the heat exchange structure 30 includes a heating water tank 31 and a plurality of heat exchange assemblies 32 exchanging heat energy with the heating water tank 31, an outlet of the heating water tank 31 is connected to the water storage tank 11, and an inlet of the heating water tank 31 is connected to the heat collecting system 101. Specifically, a heat exchange loop is formed between the heating water tank 31 and the heat exchange assembly 32, and the heating system 50 further includes a filter disposed on a pipeline connecting the water outlet of the heating water tank 31 and the heat exchange assembly 32, so as to filter the high-temperature circulating water flowing into each heat exchange assembly 32. The heat exchange assembly 32 serves to thermally radiate heat into the room, thereby maintaining the temperature of the room within a proper range.

Referring to fig. 1, in an embodiment, the heat exchange structure 30 further includes a water tank 33 for containing domestic water, and a heat exchanger 34 disposed in the water tank 33 for heating the domestic water, wherein a water outlet of the heat exchanger 34 is communicated to the water tank 11, and a water inlet of the heat exchanger 34 is communicated to the heat collecting system 101. The domestic water in the water tank 33 can be heated by the heat exchanger 34 and used by the user.

In one embodiment, the storage tank 11 is provided with a first refill port 111 and the use tank 33 is provided with a second refill port 331.

In one embodiment, the heating system 50 further includes a carbon crystal wall 40 disposed in the room, and the carbon crystal wall 40 obtains electric energy from the solar photovoltaic panel 22 and is used to convert the electric energy into heat energy and radiate the heat energy to a predetermined target.

In one embodiment, the carbon crystal wall 40 includes a carbon crystal heat-generating layer and a thermal insulation layer connected to the carbon crystal heat-generating layer, one side surface of the carbon crystal heat-generating layer radiates heat energy indoors, and the thermal insulation layer is disposed on the other side surface of the carbon crystal heat-generating layer. The carbon crystal heat-generating layer is formed by vacuum high-temperature pressing of epoxy resin. The epoxy resin is formed by high-temperature pressing through a ten thousand-ton vacuum oil press, so that the safety, stability and uniform heating of the electrical performance of the carbon crystal heat-generating layer are ensured, the electric-heat conversion efficiency is higher, and the service life is longer. Specifically, the working principle of the carbon crystal heat-generating layer is as follows: under the drive of current, carbon molecules in the carbon crystal heat-generating layer do Brownian motion, in the process of mutual collision, heat and abundant far infrared rays are generated, and the temperature in the space is increased by utilizing two heat radiation modes of heat conduction and heat radiation of the far infrared rays.

In one embodiment, the photovoltaic thermal collector further comprises a photovoltaic controller 252 connected to the solar photovoltaic panel 22 for regulating the current, an inverter 253 connected to the photovoltaic controller 252 for converting direct current to alternating current, an equipment power distribution structure 255, and an alternating current electrical storage tank 254 connecting the inverter 253 to the air source heat pump 23. The device power distribution structure 255 is used to distribute the ac power between the carbon crystal wall 40 and the air source heat pump 23 so that the carbon crystal wall 40 and the air source heat pump 23 operate properly.

Referring to fig. 1, in one embodiment, the central heating facility 100 further includes an electricity storage component, which is connected to the photovoltaic controller 252 and is used for storing dc power. Specifically, when the solar radiation intensity is relatively high in daytime and the direct current generated by the solar photovoltaic panel 22 is relatively abundant, a part of the direct current is transmitted to the electricity storage assembly for storage. At night or when the sunshine intensity is low, the stored direct current is transmitted to the inverter 253, so that the utilization rate of solar energy is further improved, and the central heating equipment 100 can normally operate.

In one embodiment, the circulation system 10 further includes a plurality of shut-off valves 14 disposed on the conduit.

The utility model discloses utilize photovoltaic power generation auxiliary air source heat pump 23 and combine the brilliant wall 40 of carbon to a new heating mode is provided, not only energy-conservation but also environmental protection, and complementary with the air energy advantage.

In the following, various operation modes of the central heating apparatus 100 are explained in conjunction with the structural features of the central heating apparatus 100:

1. the photovoltaic power generation heat collector supplies heat and domestic water:

the air source heat pump 23 is started, the first circulating pump 71 is started and pumps the low-temperature circulating water in the water storage tank 11 to enter the air source heat pump 23 for heat exchange, then the low-temperature circulating water enters the heating water tank 31 through the first electromagnetic valve 61, and then the low-temperature circulating water returns to the water storage tank 11 from the heating water tank 31, so that the system completes one cycle. The high-temperature circulating water in the heating water tank 31 is pumped by the fourth circulating pump 74, and enters each heat exchange assembly 32 in the room from the heating water tank 31 to be heated by heat radiation.

The air source heat pump 23 is started, the first circulating pump 71 is started and pumps low-temperature circulating water in the water storage tank 11 to enter the air source heat pump 23 for heat exchange, the circulating water in the heat exchanger 34 enters the heating water tank 31 through the third electromagnetic valve 63 and then returns to the water storage tank 11 through the sixth electromagnetic valve 66 through the fifth electromagnetic valve 65 and the heat exchange with domestic water in the water using water tank 33 through the heat exchanger 34, and the system completes one cycle. The temperature of the domestic water rises and the high-temperature domestic hot water in the water tank 33 is pumped by the third circulation pump 73 for use.

2. The solar heat collector 20 supplies heat and domestic hot water:

the second circulation pump 72 is started to convey the high-temperature circulating water in the solar heat collecting pipe 21 to the heating water tank 31, the circulating water enters the heating water tank 31 through the fourth electromagnetic valve 64 and the second electromagnetic valve 62, and then returns to the water storage tank 11 through the sixth electromagnetic valve 66, and the system completes one circulation. The fourth circulation pump 74 draws the circulation water of the heating water tank 31 and supplies the circulation water from the heating water tank 31 to the heat exchange units 32 in the room to perform thermal radiation heating.

And (3) starting the second circulating pump 72 to convey the high-temperature circulating water in the solar heat collecting pipe 21 to the water using tank 33, wherein the high-temperature circulating water passes through the fourth electromagnetic valve 64 and exchanges heat with the domestic water in the water using tank 33 through the heat exchanger 34, the low-temperature circulating water in the heat exchanger 34 enters the heating water tank 31 through the third electromagnetic valve 63 and then returns to the water storage tank 11, and the system completes one cycle. The high-temperature domestic water is drawn by the third circulation pump 73 and is used by the user.

3. The photovoltaic power generation heat collector and the solar heat collector 20 provide heating and domestic hot water:

the first circulating pump 71 and the second circulating pump 72 are started to convey the circulating water of the air source heat pump 23 and the high-temperature circulating water in the solar heat collecting pipe 21 to the heating water tank 31, the first electromagnetic valve 61, the fourth electromagnetic valve 64 and the second electromagnetic valve 62 are all opened, so that the circulating water enters the heating water tank 31 and then returns to the water storage tank 11, and the system completes one cycle. The high-temperature circulating water in the heating water tank 31 is pumped by the fourth circulating pump 74, and enters each heat exchange assembly 32 in the room from the heating water tank 31 to be heated by heat radiation.

The first circulating pump 71 and the second circulating pump 72 are started to convey the high-temperature circulating water of the air source heat pump 23 and the high-temperature circulating water in the solar heat collecting pipe 21 to the water using tank 33, the fifth electromagnetic valve 65 and the fourth electromagnetic valve 64 are all started and exchange heat with the domestic water in the water using tank 33 through the heat exchanger 34, the low-temperature circulating water in the heat exchanger 34 enters the heating water tank 31 through the third electromagnetic valve 63 and then returns to the water storage tank 11 through the sixth electromagnetic valve 66, and the system completes one cycle. The temperature of the domestic water rises and the high-temperature domestic hot water in the water tank 33 is pumped by the third circulation pump 73 for use.

4. The solar photovoltaic power generation is electrically connected with the air source heat pump 23 and the carbon crystal wall 40:

the solar photovoltaic panel 22 is irradiated by sunlight to generate direct current, the direct current is input into the photovoltaic controller 252 through a lead, is adjusted through the photovoltaic controller 252 and is input into the inverter 253 through a lead, the direct current in the inverter 253 is converted into alternating current, the alternating current power storage box 254 is connected with the equipment power distribution structure 255 through a lead, and the equipment power distribution structure 255 is connected with the air source heat pump 23 and the carbon crystal wall 40.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A central heating apparatus, comprising:

a circulation system for storing circulating water;

2. A central heating apparatus according to claim 1, characterized in that: the solar heat collecting pipes are arranged at intervals, are sequentially communicated, and are communicated with the circulating system by at least one solar heat collecting pipe and communicated with the heat exchange structure by at least one solar heat collecting pipe.

3. A central heating apparatus according to claim 2, characterized in that: the solar photovoltaic panel is arranged between any two adjacent solar heat collecting tubes, and two ends of the solar photovoltaic panel are respectively connected with the two corresponding solar heat collecting tubes.

4. A central heating apparatus according to claim 3, characterized in that: the sunlight receiving surfaces of the solar photovoltaic panels are arranged in a coplanar manner.

5. A central heating apparatus according to claim 1, characterized in that: the heat exchange structure comprises a heating water tank and a plurality of heat exchange assemblies which exchange heat energy with the heating water tank, a water outlet of the heating water tank is communicated to the circulating system, and a water inlet of the heating water tank is communicated to the heat collection system.

6. A central heating apparatus according to claim 1, characterized in that: the heat exchange structure further comprises a water tank for domestic water and a heat exchanger which is arranged in the water tank and used for heating the domestic water, wherein a water outlet of the heat exchanger is communicated to the circulating system, and a water inlet of the heat exchanger is communicated to the heat collecting system.

7. A central heating apparatus according to claim 1, characterized in that: the photovoltaic power generation heat collector further comprises a photovoltaic controller, an inverter and an alternating current electricity storage box, wherein the photovoltaic controller is connected with the solar photovoltaic panel and used for adjusting current, the inverter is connected with the photovoltaic controller and used for converting direct current into alternating current, and the alternating current electricity storage box is connected with the inverter and the air source heat pump.

8. A central heating apparatus according to claim 7, characterized in that: the central heating equipment also comprises an electricity storage structure, and the electricity storage structure is connected with the photovoltaic controller and used for storing the direct current.

9. A central heating apparatus according to claim 1, characterized in that: the heating system further comprises a carbon crystal wall arranged indoors, and the carbon crystal wall obtains electric energy from the solar photovoltaic panel and is used for converting the electric energy into heat energy and radiating the heat energy to a preset target.

10. A central heating apparatus according to claim 9, characterized in that: the carbon crystal wall comprises a carbon crystal heat-generating layer and a heat-insulating layer connected with the carbon crystal heat-generating layer, wherein the carbon crystal heat-generating layer is formed by vacuum high-temperature pressing of epoxy resin.