NL2031614B1

NL2031614B1 - System for Collecting and Converting Heat Energy by Using Residential Solar Energy

Info

Publication number: NL2031614B1
Application number: NL2031614A
Authority: NL
Inventors: Tian Wei; Xu Lina; Qian Yongmei; Wang Ruozhu; Niu Lei; Jiang Xin; Xie Xinying; Zhu Chunfeng; Jin Yujie; Cai Jingwei
Original assignee: Univ Jilin Jianzhu
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-01-23

Abstract

The invention relates to the technical field of solar energy, in particular to a system for collecting and converting heat energy by using residential solar energy. A vertical plate, the end of which is fixedly connected with the edge of the bottom plate and is vertically arranged with the bottom plate; A linear motion part arranged on the bottom plate; A solar heating component, one end of which is hinged with the linear motion part, and the other end of which is slidably connected with the vertical plate; An electric water heater assembly, in which a fourth water pipe is arranged, the water inlet end of the fourth water pipe is communicated with the solar heating assembly through a pressure regulating part, and the edge of the fourth water pipe is communicated with a plurality of nozzles. According to the invention, the purpose of reasonably configuring solar energy and electric energy is achieved by improving the structures of solar energy and electric heating water heaters and the matching relationship between them.

Description

System for Collecting and Converting Heat Energy by Using Residential Solar Energy

TECHNICAL FIELD The invention relates to the technical field of solar energy, in particular to a system for collecting and converting heat energy by using residential solar energy.

BACKGROUND The existing residential hot water system usually adopts electric heating water heater or solar water heater. The water introduced into the electric heating water heater is usually tap water, and the tap water temperature is the ambient temperature. Electric heating is used to heat the room temperature water to the pre-set value and keep it warm, which consumes more electric energy. Solar water heaters use renewable heat energy as energy to heat water, which is clean and pollution-free, but it is greatly affected by weather and seasons. How to rationally allocate solar energy and electric energy to heat domestic water has become an urgent problem to be solved. In addition, the existing structures of solar energy and electric heating water heaters also restrict the heating effect of domestic water, so a system for collecting and converting heat energy by using residential solar energy is urgently needed to solve the problem.

SUMMARY The purpose of the present invention is to provide a system for collecting and converting heat energy by using residential solar energy to solve the above-mentioned problems, and to achieve the purpose of rational allocation of solar energy and electric energy by improving the structures of solar energy and electric heating water heaters and their matching relationship. To achieve the above objective, the present invention provides the following scheme: a system for collecting and converting heat energy by using residential solar energy includes A bottom plate; A vertical plate, the end of which is fixedly connected with the edge of the bottom plate and vertically arranged with the bottom plate; A linear motion part arranged on the bottom plate; A solar heating component, one end of which is hinged with the linear motion part, and the other end of which is slidably connected with the vertical plate; An electric water heater assembly, wherein a fourth water pipe is arranged inside the electric water heater assembly; the water inlet end of the fourth water pipe is communicated with the solar heating assembly through a pressure regulating part; and the edge of the fourth water pipe is communicated with a plurality of nozzles.

Preferably, the linear motion part comprises a slideway arranged on the bottom plate, the slideway is slidably connected with a slider, the top of the slider is hinged with the solar heating assembly, and the middle of the slider is in transmission connection with a power part.

Preferably, the power part comprises a motor, the side wall of the motor is fixedly connected with the edge of the bottom plate, the output shaft of the motor is fixedly connected with a screw rod, the end of the bottom plate far from the motor is fixedly connected with a support seat, the middle part of the support seat is rotatably connected with the screw rod, and the middle part of the screw rod is threadedly connected with the slider.

Preferably, the solar heating assembly comprises a rotating plate, one end of which is hinged with the top of the slider, the other end of which is rotatably connected with a hinge shaft, and the hinge shaft is slidably connected with the vertical plate; the top surface of the rotating plate is fixedly connected with a first water tank and a plurality of heat collecting tubes through a first bracket; a plurality of heat collecting tubes are communicated with the first water tank; and a reflecting part is arranged below the heat collecting tubes.

Preferably, the reflecting part comprises an insulation board fixedly connected with the rotating plate through a second bracket, the insulation board is located directly below the heat collecting pipe, and the side of the insulation board far away from the second bracket is fixedly connected with a reflection board, and the cross sections of the reflection board and the insulation board are arc structures.

Preferably, the pressure regulating part comprises a second water pipe, one end of which is communicated with the first water tank, the other end of which is communicated with the water inlet end of the fourth water pipe, the middle part of which is communicated with a booster pump, and the middle part of the second water pipe is communicated with a third water pipe through a three-way valve, the end of which is far away from the three-way valve is communicated with the water inlet end of the fourth water pipe, and the three-way valve is located in front of the water inlet end of the booster pump.

Preferably, the electric water heater assembly also includes an outer shell, a foaming layer and an inner container which are sequentially arranged from outside to inside, wherein the fourth water pipe penetrates through the outer shell, the foaming layer and the inner container; the inner wall of the inner container is fixedly connected with two heating pipes which are symmetrically arranged; the bottom of the inner container is provided with a temperature sensor; the bottom of the inner container is communicated with a water outlet pipe which penetrates through the outer shell and the foaming layer; and the top of the inner container is provided with an exhaust part.

Preferably, the exhaust part comprises an air vent, one end of which is communicated with the inner container, the inner wall of the other end of which is fixedly connected with a spring, and one side of the spring close to the inner container is fixedly connected with an air vent plug,

the bottom of which has an arc structure, and the side wall of the air vent is communicated with a plurality of air vent pipes. The invention has the following technical effects: the linear motion part can drive the bottom of the solar heating assembly to do linear motion, and at the same time, the top of the solar heating assembly slides along the vertical plate, so that the angle of the solar heating assembly relative to the ground changes, and the angle of the solar heating assembly can be adjusted according to the season and time, so as to increase the sunshine time, thereby increasing the heat obtained by the solar heating assembly, making the domestic water in the solar heating assembly reach a higher temperature than that heated by the traditional solar water heater, and improving the solar heating efficiency. The domestic water heated by the solar heating assembly enters the electric water heater assembly through the pressure regulating part, and is heated again as required; When the weather is cloudy and there is no sunshine, the temperature of domestic water heated by the solar heating assembly is low, and the solar energy and electric energy can be reasonably configured by the secondary heating of the electric water heater assembly. The pressure regulating part can increase the water pressure, and the high-pressure water is sprayed from the nozzle through the fourth water pipe, and the high-pressure water can wash away the scale generated inside the electric water heater assembly, thereby enhancing the heat transfer efficiency of the heat-generating parts inside the electric water heater assembly and facilitating the rapid rise of the water temperature. Domestic water with a certain amount of heat provided by the solar heating assembly enters the electric water heater assembly, which is more energy-saving compared with the traditional electric water heater assembly that directly heats cold water. It can control the switch of the electric water heater assembly according to the need to realize the rational allocation of solar energy and electric energy.

BRIEF DESCRIPTION OF THE FIGURES In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and for ordinary technicians in the field, other drawings can be obtained according to these drawings without paying creative labour. Fig. 1 is a structural diagram of the present invention; Fig. 2 is an enlarged view of a part in fig. 1 of the present invention; Fig. 3 is a sectional view of a reflection part of the present invention; Among them, 1, bottom plate; 2, mounting seat; 3, slider; 4, slide way; 5, supporting seat; 6, screw rod; 7, motor; 8, rotating plate; 9, first bracket; 10, collector tube; 11, second bracket; 12, insulation board; 13, first water pipe; 14, first water tank; 15, second water pipe; 16, vertical plate; 17, chute; 18, articulated shaft; 19, third water pipe; 20, three-way valve; 21, booster pump; 22, shell; 23, foam layer; 24, inner container; 25, fourth water pipe; 26, nozzle; 27, heating pipe; 28, water outlet pipe; 29, temperature sensor; 30, bleeding plug; 31, vent pipe; 32, spring; 33, vent pump; 34, reflector plate.

DESCRIPTION OF THE INVENTION Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of the present invention.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention will be described in further detail below with reference to the drawings and detailed description.

Referring to figs. 1-3, this embodiment provides a system for collecting and converting heat energy by using residential solar energy, including: A bottom plate 1; A vertical plate 16, the end of which is fixedly connected with the edge of the bottom plate 1 and vertically arranged with the bottom plate 1; A linear motion part arranged on the bottom plate 1; A solar heating component, one end of which is hinged with the linear motion part, and the other end of which is slidably connected with the vertical plate 16; An electric water heater assembly, in which a fourth water pipe 25 is arranged, the water inlet end of the fourth water pipe 25 is communicated with the solar heating assembly through a pressure regulating part, and the edge of the fourth water pipe 25 is communicated with a plurality of nozzles 26. The linear motion part can drive the bottom of the solar heating assembly to do linear motion, and at the same time, the top of the solar heating assembly slides along the vertical plate 16, so that the angle of the solar heating assembly relative to the ground changes, and the angle of the solar heating assembly can be adjusted according to the season and time, so as to increase the sunshine time, thereby increasing the heat obtained by the solar heating assembly, making the domestic water in the solar heating assembly reach a higher temperature than that heated by the traditional solar water heater, and improving the solar heating efficiency. The domestic water heated by the solar heating assembly enters the electric water heater assembly through the pressure regulating part, and is heated again as required.

When the weather is cloudy and there is no sunshine, the temperature of domestic water heated by the solar heating assembly is low, and the rational allocation of solar energy and electric energy can be realized through the secondary heating of the electric water heater assembly. The pressure regulating part can increase the water pressure, and the high-pressure water can be sprayed out from the nozzle 26 through the fourth water pipe 25, which can wash away the scale generated inside the electric water heater assembly, enhance the heat transfer efficiency of heat-generating parts inside the electric water heater assembly, and help the rapid increase of water temperature. Domestic water with a certain amount of heat provided by the 5 solar heating assembly enters the electric water heater assembly, which is more energy-saving compared with the traditional electric water heater assembly that directly heats cold water. The switch of the electric water heater assembly can be controlled as needed to realize the rational allocation of solar energy and electric energy. According to a further optimization scheme, the linear motion part comprises a slideway 4 arranged on the bottom plate 1, wherein the slideway 4 is slidably connected with a slider 3, the top of the slider 3 is hinged with a solar heating assembly, and the middle part of the slider 3 is in transmission connection with a power part. The slider 3 can slide linearly along the slideway 4, and the slideway 4 drives the solar heating assembly to move during the sliding process, so as to change the angle of the solar heating assembly.

In a further optimization scheme, the power part includes a motor 7, the side wall of which is fixedly connected with the edge of the bottom plate 1, the output shaft of which is fixedly connected with a screw rod 6, and the end of the bottom plate 1 away from the motor 7 is fixedly connected with a support seat 5, the middle part of which is rotatably connected with the screw rod 8, and the middle part of the screw rod 6 is threadedly connected with the slider 3.

The rotation of the motor 7 drives the screw rod 6 to rotate, and the support seat 5 plays a role of supporting the screw rod 6 to prevent the screw rod 6 from bending and deformation, and the screw rod 6 drives the slider 3 to make linear movement along the slideway 4 through screw matching.

In a further optimization scheme, the solar heating assembly comprises a rotating plate 8, one end of which is hinged with the top of the slider 3, and the other end of which is rotatably connected with a hinge shaft 18 which is slidably connected with the vertical plate 16; The top surface of the rotating plate 8 is fixedly connected with a first water tank 14 and a plurality of heat collecting tubes 10 through a first bracket 9, and the heat collecting tubes 10 are communicated with the first water tank 14, and a reflecting part is arranged below the heat collecting tubes 10. The middle of the vertical plate 16 is provided with a chute 17 in which the hinge shaft 18 slides. The hinge shaft 18 moving along the chute 17 to change the inclination angle of the rotating plate 8 when the slider 3 drives the rotating plate 8. The heat collector tube 10 heats the water inside by the irradiation of sunlight. The first water tank 14 is used to store domestic water. The first water tank 14 is connected with a first water pipe 13, which is used to add water into the first water tank 14. The reflecting part enhances the irradiation of sunlight on the heat collector tube 10.

In a further optimization scheme, the reflecting part comprises an insulation board 12 fixedly connected with the rotating plate 8 through the second bracket 11, the insulation board

12 is located directly under the heat collecting pipe 10, and a reflecting plate 34 is fixedly connected to the side of the insulation board 12 away from the second bracket 11, and the cross sections of the reflection plate 34 and the insulation board 12 are arc structures.

The reflection plate 34 reflects sunlight to the back of the heat collector tube 10, so that the heat collector tube 10 can absorb more sunlight and increase the utilization efficiency of sunlight.

The insulation board 12 can reduce the heat dissipation of the reflection plate 34 itself.

In a further optimization scheme, the pressure regulating part includes a second water pipe 15, one end of which is communicated with the first water tank 14, the other end of which is communicated with the water inlet end of the fourth water pipe 25, the middle part of which is communicated with a booster pump 21, and the middle part of which is communicated with a third water pipe 19 through a three-way valve 20; The end of the third water pipe 19 far away from the three-way valve 20 is communicated with the water inlet end of the fourth water pipe 25, and the three-way valve 20 is located in front of the water inlet end of the boost pump 21. The domestic water heated by the solar heating assembly flows into the fourth water pipe 25 through the second water pipe 15. Adjust the three-way valve 20 to make the third water pipe 19 in a non-conducting state.

After the water is pressurized by the booster pump 21, it is sprayed out from the nozzle 26 to remove the scale inside the electric water heater assembly.

When the third water pipe 19 is in a conducting state through the three-way valve 20, the water body is slowly poured into the electric water heater assembly without passing through the booster pump 21. In a further optimization scheme, the electric water heater assembly also includes an outer shell 22, a foaming layer 23 and an inner liner 24 which are sequentially arranged from outside to inside.

The fourth water pipe 25 penetrates through the outer shell 22, the foaming layer 23 and the inner liner 24. Two heating pipes 27 which are symmetrically arranged are fixedly connected to the inner wall of the inner liner 24. A temperature sensor 29 is arranged at the bottom of the inner liner 24. The bottom of the inner liner 24 is communicated with a water outlet pipe 28 which penetrates through the outer shell 22 and the foaming layer 23. The top of the inner liner 24 is provided with an exhaust part.

The outer shell 22 plays an anti-impact role, the foaming layer 23 plays a heat preservation role, the inner container 24 plays a sealing and waterproof role, and the heating pipe 27 is connected with an external power supply for heating domestic water; The domestic water is discharged from the water outlet pipe 28, the temperature sensor 29 is used to detect the temperature of the water body, and the exhaust part prevents the internal pressure of the inner container 24 from being too high.

In a further optimization scheme, the exhaust part includes an air vent 33, one end of which is communicated with the inner container 24, and the inner wall of the other end of which is fixedly connected with a spring 32. The side of the spring 32 close to the inner container 24 is fixedly connected with an air vent plug 30, the bottom of which has an arc structure, and the side wall of the air vent 33 is communicated with a plurality of air vent pipes 31. When the internal pressure of the inner liner 24 is high, the internal pressure of the inner liner 24 pushes the air vent plug 30 upward, the spring 32 is compressed, and the inner liner 24 communicates with the external environment through the air vent pipe 31 to realize the pressure relief function. When the nozzle 26 sprays high-pressure water into the inner liner 24, the pressure of the inner liner 24 rises, and the air vent plug 30 acts to relieve the pressure.

The working process of this embodiment is as follows: the edge of the bottom plate 1 is provided with the mounting seat 2, which is convenient for the installation of the bottom plate 1. The sun shines on the heat collector tube 10, and the water inside the heat collector tube 10 heats up. The reflection plate 34 reflects the sunlight to the back of the heat collector tube 10, so that the heat collector tube 10 absorbs more sunlight and increases the utilization efficiency of the sunlight. The insulation board 12 can reduce the heat dissipation of the reflection plate 34 itself. The heated water flows into the inner container 24 through the third water pipe 19. The sun height angle could changes along with the season changes, and the motor 7 drives the screw rod 6 to rotate. The screw rod 6 drives the slider 3 to move linearly along the slideway 4 through screw fitting. During the sliding process of the slideway 4, the rotating plate 8 is driven to move, and the top of the rotating plate 8 slides along the vertical plate 16, thus realizing the change of the angle of the solar heating assembly and improving the utilization rate of solar energy. The water heated by the collector tube 10 enters the inner container 24, and if the weather is gloomy and the sun is not visible or it is in winter, the heating tube 27 is started to heat the water again. If the weather is sunny and the required water temperature is not high, you can choose to turn off the heating pipe 27 to save the electric energy and achieve the effect of rational allocation of solar energy and electric energy. The water entering the inner container 24 can be at high pressure or normal pressure. After being pressurized by the booster pump 21, the water is sprayed by the nozzle 26 to remove the scale on the surface of the heating pipe 27, thereby enhancing the heat transfer performance of the heating pipe 27 and improving the utilization efficiency of electric energy.

In the description of the present invention, it should be understood that the terms vertical, horizontal, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside and outside, these words indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for the convenience of describing the present invention, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

The above-mentioned embodiments only describe the preferred mode of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, all kinds of modifications and improvements made by ordinary technicians in the field to the technical scheme of the present invention should fall within the protection scope determined by the claims of the present invention.

Claims

CONCLUSIONS

A system for capturing and converting heat energy using residential solar energy, comprising: — a base plate (1); - a vertical plate (16), the end of which is fixedly connected to the edge of the bottom plate (1) and is placed vertically in relation to the bottom plate (1); - a linear movement part mounted on the bottom plate (1); - a solar heating component, one end of which is hingedly connected to the linear movement member, and the other end of which is slidably connected to the vertical plate (16); - an electric boiler, wherein - a fourth water pipe (25) is placed inside the electric boiler; - the water inlet end of the fourth water pipe (25) is connected to the solar heating component by a pressure regulator; and - the edge of the fourth water pipe (25) is in communication with a number of nozzles (26).

The system for capturing and converting heat energy using residential solar energy according to claim 1, characterized in that the linear movement member comprises a sliding track (4) mounted on the bottom plate (1), wherein — a slider (3) is slidably connected to the slider (4), — the top of the slider (3) is hingedly connected to the solar heating component, and — the middle of the slider (3) is connected in a transmission way to a power source.

The heat energy recovery and conversion system using residential solar energy according to claim 2, characterized in that the power source comprises a motor (7), wherein - the side wall of said motor (7) is fixed is connected to the edge of the bottom plate (1), and — the motor output shaft (7) is fixedly connected to a threaded rod (6); - the end of the bottom plate (1) remote from the motor (7) is fixedly connected to a support seat (5), - the middle part of the support seat (5) is pivotally connected to the threaded rod (6), and - the middle part of the threaded screw rod (6) is connected to the slider (3).

The system for capturing and converting heat energy using residential solar energy according to claim 2, characterized in that - the solar heating component comprises a rotating plate (8), one end of which is connected to the top of the slider (3) is pivoted, and the other end is rotatably connected to a hinged shaft (18), which is slidably connected to the vertical plate (16); - the top surface of the rotating plate {8) is fixedly connected via a first bracket (9) to a first water tank (14) and a number of heat collector tubes (10), and - the heat collector tubes (10) are connected to the first water tank ( 14), and - a reflective part is placed under the heat collector tubes (10).

The system for collecting and converting heat energy using residential solar energy according to claim 4, characterized in that - the reflecting part comprises an insulating plate (12) fixedly connected to the rotating plate (8 ) by means of a second support (11); — the insulation plate (12) is directly below the heat-collecting pipe (10), and — a reflective plate (34) is fixedly connected to a side of the insulation plate (12) remote from the second support (11), and - the cross sections of the reflective plate (34) and the insulating plate (12) are arc structures.

The heat energy recovery and conversion system using residential solar energy according to claim 4, characterized in that the pressure regulator comprises a second water pipe (15), wherein - one end of the second water pipe (15 ) is connected to the first water tank (14), — the other end of the second water pipe (15) is connected to the water supply end of the fourth water pipe (25), — the center of the second water pipe (15) is connected with a lift pump (21), and — the center of the second water pipe (15) is in communication with a three-way valve (20), — the three-way valve (20} is located in front of the water inlet end of the lift pump (21).

The heat energy recovery and conversion system using residential solar energy according to claim 2, characterized in that the electric water heater also comprises an outer shell (22), a foam layer (23) and an inner container ( 24) arranged successively from outside to inside, where — the fourth water conduit {25) passes through the shell (22), the foaming layer (23) and the inner container (24), — the inner wall of the inner container ( 24) is fixedly connected to two symmetrically placed heating pipes (27) — the bottom of the inner wall of the inner container (24) is provided with a temperature sensor (29), and — the bottom of the inner container (24) is connected to a water discharge pipe (24) The top of the internal container (24) is provided with an outlet.

The heat energy collection and conversion system using residential solar energy according to claim 1, characterized in that the outlet comprises a vent (33), wherein - one end of the vent (33) communicates with the internal container (24), — the inner wall of the other end of the breather (33) is rigidly connected to a spring (32), — the side of the spring (32) close to the internal container (24 ) is fixedly connected to a vent plug (30), and - the bottom of the vent plug (30) has an arc structure; - the side wall of vent (33) is connected to a number of vent pipes (31).