CN113983701A

CN113983701A - Solar heat absorber and heating system comprising same

Info

Publication number: CN113983701A
Application number: CN202111343175.9A
Authority: CN
Inventors: 李栋; 刘润泽; 熊熙源; 李岩; 王德刚
Original assignee: Jiayu Guangneng Technology Fuxin Co ltd
Current assignee: Jiayu Guangneng Technology Fuxin Co ltd
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-01-28
Anticipated expiration: 2041-11-13
Also published as: CN113983701B

Abstract

The utility model relates to a solar heat absorbing device relates to the field of solar heating technology, and it includes base and heat absorption subassembly, and the heat absorption subassembly is including setting up the frame on the base, the heat absorption pipe that fixed connection set up at a plurality of interval at frame top and the refraction board of fixed connection in the frame bottom, and the projection face at part place between heat absorption pipe and the adjacent heat absorption pipe is covered to the refraction board, and the refraction board top surface evenly is formed with the recess that a plurality of side slope set up. The application also relates to a solar heating system. The solar heat absorption effect can be improved on the basis of not increasing the installation space.

Description

Solar heat absorber and heating system comprising same

Technical Field

The application relates to the field of solar heating technology, in particular to a solar heat absorber and a heating system comprising the same.

Background

Solar energy is a green sustainable clean energy and is also an ideal energy in the future, and a solar heating technology is used as an important branch of solar heat utilization, so that the solar heating system has a wide development and utilization prospect.

At present, solar heating technology generally converts solar energy into heat energy through a solar heat collector and then transmits the heat energy to a user pipeline, and the heat energy is supplied to heating requirements of users through the user pipeline. Conventional solar heat collectors are generally installed on a roof or an open area, and absorb radiant energy of the sun through the surface of the solar heat collector and exchange heat with a heat transfer medium, thereby converting the solar energy into heat energy.

In view of the above-mentioned related art, the inventor believes that the conventional solar heat collecting plate has poor heat absorption effect, and generally increases the area of the solar heat collecting plate to achieve the required heat, but the conventional solar heat collecting plate occupies a larger installation space.

Disclosure of Invention

In order to improve the solar heat absorption effect on the basis of not increasing the installation space, the application provides a solar heat absorption device and a heating system comprising the same.

In a first aspect, the present application provides a solar heat absorber, which adopts the following technical scheme:

the utility model provides a solar heat absorbing device, includes base and heat absorption subassembly, and the heat absorption subassembly is including setting up the frame on the base, fixed connection is at the heat-absorbing pipe that a plurality of interval at frame top set up and the refraction board of fixed connection in the frame bottom, and the refraction board covers the plane of projection at part place between heat-absorbing pipe and the adjacent heat-absorbing pipe, and refraction board top surface evenly is formed with the recess that a plurality of side slope set up.

Through adopting above-mentioned technical scheme, when the sunlight shines on the heat absorbing device, partly sunlight directly shines downwards at the top of heat absorption pipe, partly sunlight shines on the refraction board from the clearance between the adjacent heat absorption pipe, then refract on the refraction board, and upwards refract in the bottom of heat absorption pipe, thereby make the top and the bottom homoenergetic of heat absorption pipe absorb the radiant heat of sunlight, and heat transfer medium in the heat absorption pipe heats, the direct contact area with the sunlight of heat absorption pipe has been increased, both avoid increasing the installation space of heat absorbing device, the heat absorption effect of heat absorbing device has also effectively been improved.

Optionally, the heat absorption assembly is provided with a plurality of groups, wherein a group of heat absorption assembly is horizontally arranged right above the base, the rest heat absorption assemblies are symmetrically arranged above two sides of the base, one side of the heat absorption assembly far away from the base is inclined downwards, and the inclination angles of the heat absorption assemblies on two sides of the base are gradually increased along the direction of the heat absorption assembly far away from the right above the base.

Through adopting above-mentioned technical scheme, set up a plurality of groups heat absorption subassembly on the base, and a plurality of heat absorption subassembly just right sets up along the motion trail of sun from morning to evening, makes each moment in daytime the sun can both shine at least one heat absorption subassembly, has further improved heat absorber's heat absorption effect.

Optionally, adjacent to the frame of heat absorption subassembly is articulated each other, be provided with the telescopic driving piece between every heat absorption subassembly of base both sides and the base, driving piece one end is articulated with the frame of heat absorption subassembly, and the other end is articulated with the base.

Through adopting above-mentioned technical scheme, all set up the driving piece between the heat absorption subassembly of base both sides and the base, and the frame of adjacent heat absorption subassembly is articulated each other, can make the heat absorption subassembly rotate under the effect of driving piece to adjust the inclination of the heat absorption subassembly of base both sides, in order to ensure that the sunlight can shine on the heat absorption subassembly.

Optionally, the heat absorbing pipes are arranged in two layers along a direction perpendicular to the refraction plate, each layer of heat absorbing pipes is provided with a plurality of heat absorbing pipes, and the two layers of heat absorbing pipes are arranged in a staggered manner.

Through adopting above-mentioned technical scheme, set up the heat-absorbing pipe two-layerly to make two-layer heat-absorbing pipe crisscross the setting, under the sunlight irradiation area's that does not influence the heat-absorbing pipe top and receive the prerequisite, increased the clearance between the adjacent heat-absorbing pipe, and then make more sunlight can follow and shine on the refraction board between the adjacent heat-absorbing pipe, thereby effectively increased the sunlight to the refraction intensity of heat-absorbing pipe bottom, improved heat absorbing device's heat absorption effect.

Optionally, the grooves are elongated, and the side surfaces of adjacent grooves are abutted to each other.

Through adopting above-mentioned technical scheme, make the mutual butt of side of recess, can increase the area of refraction position on the refraction board, and then increased the sunlight refraction that shines on the refraction board and in the possibility of heat absorption tube bottom.

Optionally, the surface of the refraction plate is coated with far infrared radiation paint.

By adopting the technical scheme, the far infrared radiation coating is coated on the surface of the refraction plate, so that the radiation effect of the refraction plate can be effectively enhanced, the refraction intensity of sunlight irradiating the refraction plate to the heat absorption pipe is enhanced, and the heat absorption effect of the heat absorption pipe is further improved.

In a second aspect, the present application provides a solar heating system, which adopts the following technical scheme:

a solar heating system comprises a heat absorption device, a user pipeline and a circulating pipeline for circularly communicating all heat absorption pipes of the heat absorption device with the user pipeline, wherein a circulating pump is installed on the circulating pipeline.

By adopting the technical scheme, when the heating system works, the heat absorbed by the heat absorbing device exchanges heat with the flowing medium in the circulating pipeline, so that the flowing medium in the circulating pipeline is heated, and then flows into the user pipeline, the required heat is provided for the user pipeline, and the heat flows back to the heat absorbing device again through the circulating pipeline after being cooled, so that the heating process of the solar heat absorbing device is realized, and the heating effect of the heating process is improved.

Optionally, the circulating pipeline is communicated with a plurality of connecting pipes which are arranged in one-to-one correspondence with the heat absorption assemblies, and one end of each connecting pipe, which is far away from the circulating pipeline, is communicated with all the heat absorption pipes of the corresponding heat absorption assemblies; still include controlling means, controlling means includes the controller, temperature-detecting element and control valve all be provided with a plurality of and with the connecting pipe one-to-one, temperature-detecting element installs in the connecting pipe that corresponds to and be used for detecting the temperature in the connecting pipe that corresponds, the control valve is installed on the connecting pipe that corresponds, the controller all is connected with temperature-detecting element, control valve, and is used for the control valve on the highest connecting pipe of control temperature to open.

By adopting the technical scheme, during heating, because the positions of the sun at different moments in the day are different, the solar heat energy absorbed by the heat absorbing pipes of each heat absorbing assembly is different, and when heating is needed, the control valve on the connecting pipe with the highest control temperature of the control assembly is opened, so that the flowing medium in the connecting pipe with the highest temperature flows into a user pipeline, and the heating effect of the user pipeline is ensured.

Optionally, the controller is connected with the driving part, and when the temperature of the connecting pipe with the highest temperature exceeds a high-temperature preset value, the controller is used for driving the driving part to stretch and contract and enabling the inclination angles of the rest heat absorption assemblies on the two sides of the base to be the same as the inclination angle of the heat absorption assembly corresponding to the connecting pipe with the highest temperature.

Through adopting above-mentioned technical scheme, when the temperature of the highest connecting pipe of temperature surpassed the high temperature default daytime, all the other heat absorption subassemblies of controller drive base both sides all rotated to the state the same with the inclination of the most heat absorption subassembly that absorbs heat, and all heat absorption subassemblies of base both sides can fully absorb solar heat energy this moment, have further improved heat absorbing device's heat absorption effect.

Optionally, a heat storage pipe is communicated between two ends of the circulation pipe, a heat storage is communicated with the heat storage pipe, a switching valve connected with the controller is further installed on the heat storage pipe, and when the temperature of the connecting pipe with the highest temperature exceeds a high-temperature preset value, the controller controls the switching valve to be opened.

Through adopting above-mentioned technical scheme, there is the heat accumulator through heat accumulation pipe intercommunication between the circulation pipeline, when the temperature of the highest connecting pipe of temperature surpassed the high temperature default, the controller makes the diverter valve open, partly flow medium in the circulation pipeline can get into in the heat accumulator and carry out the heat transfer this moment, and flow back to the heat sink in through heat accumulation pipe and circulation pipeline, and the flow medium of flowing through the heat accumulator can be stored the heat in the heat accumulator, so that supply heat to the user pipeline through the heat accumulator when the heat sink heat supply is not enough.

In summary, the present application includes at least one of the following beneficial technical effects:

the heat absorption tubes are arranged, and the refraction plates are arranged below the heat absorption tubes, so that the top and the bottom of the heat absorption tubes can absorb the radiation heat of sunlight, the direct contact area between the heat absorption tubes and the sunlight is increased, and the heat absorption effect of the heat absorption device is effectively improved;

by arranging the plurality of groups of heat absorption components, the sun can irradiate at least one heat absorption component at each moment in the day, so that the heat absorption effect of the heat absorption device is further improved;

the control valve on the connecting pipe with the highest temperature is opened by arranging the control device, so that the flowing medium in the connecting pipe with the highest temperature flows into the user pipeline, and the heating effect of the user pipeline is ensured;

through the flexible process that makes controller control driving piece, and then make the inclination of all the other heat absorption subassemblies of base both sides all the same with the inclination of the heat absorption subassembly that the temperature is the highest, make all heat absorption subassemblies all can fully absorb solar heat energy, further improved heat absorbing device's heat absorption effect.

Drawings

FIG. 1 is a schematic view of a heat sink according to an embodiment of the present application;

FIG. 2 is an exploded view of a heat sink assembly according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a heat sink according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a heating system according to an embodiment of the present application;

fig. 5 is a schematic partial structure diagram of a connecting pipe according to an embodiment of the present application.

Description of reference numerals: 1. a heat sink; 11. a base; 111. a driving cylinder; 12. a heat sink assembly; 121. a frame; 1211. a support frame; 122. a heat absorbing tube; 123. a refracting plate; 1231. a groove; 2. a user line; 3. a circulation line; 31. a connecting pipe; 32. a circulation pump; 4. a control device; 41. a controller; 42. a thermometer; 43. a control valve; 5. a heat storage pipe; 51. a switching valve; 6. a heat accumulator.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a solar heat absorbing device.

Referring to fig. 1, a solar heat absorbing device comprises a base 11 and a plurality of groups of heat absorbing assemblies 12 arranged in sequence along the movement track of the sun in the daytime, wherein at least one group of heat absorbing assemblies 12 can be irradiated by the sun in the daytime and absorb the radiant heat energy of the sun.

Referring to fig. 1 and 2, the heat absorbing assembly 12 includes a frame 121, a heat absorbing pipe 122 and a refraction plate 123, the frame 121 is a rectangular frame and is connected to the base 11, a support 1211 is disposed at the bottom of the frame 121, and the support 1211 is cross-shaped and is fixedly connected to the frame 121; two layers of heat absorbing pipes 122 are arranged in the top of the frame 121 along the direction perpendicular to the plane of the frame 121, a plurality of heat absorbing pipes 122 are arranged at intervals along the width direction of the frame 121, the two layers of heat absorbing pipes 122 are arranged in a staggered manner, the length direction of the heat absorbing pipes 122 is the same as that of the frame 121, and two ends of each heat absorbing pipe 122 penetrate out of two ends of the frame 121 respectively and are fixedly connected with the frame 121; the plane at refraction board 123 place is parallel with the plane at frame 121 place, and fixed setting is in frame 121 two-layer heat absorption pipe 122 below, the size of refraction board 123 and the inside size looks adaptation of frame 121, refraction board 123 is formed by the rectangular form swash plate reciprocal anchorage that a plurality of slope set up along its width, the incline direction of two adjacent swash plates is opposite, and evenly form a plurality of recess 1231 at refraction board 123 top surface, refraction board 123 surface is paintd far infrared radiation coating 1232.

When the sunlight heat absorption device is used, a part of sunlight downwards irradiates on the tops of the heat absorption tubes 122, and a part of sunlight passes through the space between the adjacent heat absorption tubes 122 and irradiates on the top surfaces of the refraction plates 123, and then upwards refracts on the inclined plates on the top surfaces of the refraction plates 123 and irradiates on the bottoms of the heat absorption tubes 122, so that the tops and the bottoms of the heat absorption tubes 122 can absorb the radiation heat energy of the sunlight, and the heat absorption effect is effectively improved.

Referring to fig. 3, the frame 121 of one set of heat absorbing assemblies 12 is horizontally disposed right above the base 11, and the support 1211 at the bottom of the frame 121 is fixedly connected to the top end of the base 11. The rest of the heat absorbing assemblies 12 are symmetrically arranged above the two sides of the base 11, the sides of the frames 121 of the rest of the heat absorbing assemblies 12, which are far away from the base 11, are inclined downwards, and the inclination angles of the frames 121 on the two sides of the base 11 are gradually increased along the direction of keeping away from the frames 121 right above the base 11.

When the solar heat absorber is used, the refraction plates 123 on the two sides of the base 11 are respectively positioned in the east and west directions, and along with the movement track of the sun in the daytime, sunlight can irradiate on the heat absorption pipes 122 of different heat absorption assemblies 12 at different moments, so that the heat absorber 1 can absorb solar radiation heat energy at any moment in the daytime, and the heat absorption effect is further improved.

Referring to fig. 3, the frames 121 of adjacent heat absorbing assemblies 12 are hinged to each other, a driving member is disposed between the supporting frame 1211 and the base 11 under each group of heat absorbing assemblies 12 on both sides of the base 11, the driving member is a driving cylinder 111 disposed along a plane perpendicular to the supporting frame 1211, one end of the driving cylinder 111 is hinged to the supporting frame 1211, and the other end is hinged to the base 11.

When the solar heat absorber is used, the inclination angles of different heat absorbing assemblies 12 can be adjusted by stretching and contracting the piston rod of the driving cylinder 111, so that sunlight can irradiate on the heat absorbing pipe 122 as much as possible, and the heat absorbing effect of the heat absorber 1 is ensured.

The implementation principle of the solar heat absorbing device in the embodiment of the application is as follows: when the heat absorption device is used, the refraction plates 123 on the two sides of the base 11 are respectively positioned in the east and west directions, along with the movement track of the sun in the daytime, sunlight can irradiate on different heat absorption components 12 at different moments, wherein a part of sunlight downwards irradiates on the tops of the heat absorption tubes 122, and a part of sunlight passes through the space between the adjacent heat absorption tubes 122 and irradiates on the top surfaces of the refraction plates 123 and irradiates on the bottoms of the heat absorption tubes 122 after being refracted, so that the tops and the bottoms of the heat absorption tubes 122 of the corresponding heat absorption components 12 absorb the radiation heat energy of the sunlight at any moment in the daytime, and the heat absorption effect is effectively improved.

The embodiment of the application also discloses a solar heating system.

Referring to fig. 4, a solar heating system includes the heat absorber 1, a user pipeline 2 and a circulation pipeline 3, the heat absorber 1 is installed on a roof, the user pipeline 2 is installed indoors, and the circulation pipeline 3 is used for circularly communicating the heat absorber 1 and the user pipeline 2, so that heat energy absorbed by the heat absorber 1 can supply heat to the user pipeline 2.

Referring to fig. 5, the outlet ends of the heat absorbing pipes 122 of each group of heat absorbing assemblies 12 are all commonly communicated with a connecting pipe 31, the other end of the connecting pipe 31 is communicated with the circulation pipeline 3, the inlet ends of the heat absorbing pipes 122 of each group of heat absorbing assemblies 12 are all communicated with the circulation pipeline 3, and the circulation pump 32 is installed on the circulation pipeline 3.

Referring to fig. 4 and 5, the heating system further includes a control device 4, the control device 4 includes a controller 41, temperature detecting elements and control valves 43, the temperature detecting elements and the control valves 43 are respectively provided with a plurality of ones and are in one-to-one correspondence with the connecting pipes 31, the temperature detecting elements are thermometers 42, the thermometers 42 and the control valves 43 are respectively installed on the corresponding connecting pipes 31, and the thermometers 42 are used for detecting the temperature of the flowing medium in the corresponding connecting pipes 31 and outputting detection signals; the controller 41 is connected to both the temperature detecting element and the control valve 43, and the controller 41 is responsive to the detection signal and is configured to control the control valve 43 on the connection pipe 31 having the highest temperature to open.

During heating, each group of heat absorption assemblies 12 absorbs solar radiation heat energy, the controller 41 opens the control valve 43 on the connecting pipe 31 with the highest temperature, so that the heat absorption pipe 122 of the heat absorption assembly 12 with the highest temperature is circularly communicated with the user pipeline 2 through the connecting pipe 31 and the circulating pipeline 3, and the circulating pump 32 conveys the flowing medium in the heat absorption pipe 122 of the heat absorption assembly 12 with the highest temperature into the user pipeline 2 to supply heat for the user pipeline 2.

Referring to fig. 3 and 4, the controller 41 is connected to all the driving cylinders 111, and when the temperature of the connection pipe 31 with the highest temperature exceeds a preset value, the controller 41 is configured to drive the piston rods of the driving cylinders 111 to extend and contract and enable the inclination angles of the rest of the heat absorbing assemblies 12 on both sides of the base 11 to be the same as the inclination angle of the heat absorbing assembly 12 corresponding to the connection pipe 31 with the highest temperature.

When the sunlight is sufficiently irradiated, the temperature of the connecting pipe 31 with the highest temperature exceeds the preset value, at this time, the controller 41 makes the piston rods of the driving cylinders 111 below the heat absorbing assemblies 12 on the two sides of the base 11 stretch, so that all the heat absorbing assemblies 12 on the two sides of the base 11 rotate to the same inclination angle as the heat absorbing assembly 12 with the highest temperature, the sunlight can vertically irradiate on the heat absorbing pipes 122 of all the heat absorbing assemblies 12 on the two sides of the base 11, and the heat absorbing effect of the heat absorbing device 1 when the sunlight is sufficiently irradiated is effectively improved.

Referring to fig. 4, a heat storage pipe 5 is communicated between both ends of the circulation pipe, a heat storage 6 and a switching valve 51 are installed on the heat storage pipe 5, the switching valve 51 is connected to the controller 41, and the controller 41 controls the switching valve 51 to be opened when the temperature of the connection pipe 31 having the highest temperature exceeds a preset value.

When the sunlight is sufficient, the temperature of the connecting pipe 31 with the highest temperature exceeds the preset value, at the moment, the controller 41 controls the switching valve 51 to be opened, a part of flowing medium heated by the heat absorbing device 1 flows into the heat accumulator 6 along the heat storage pipe 5 to exchange heat, and redundant heat is stored in the heat accumulator 6, so that heat is supplied to the user pipeline 2 through the heat accumulator 6 when the sunlight illumination condition is poor.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A solar heat absorber device, comprising: including base (11) and heat absorption subassembly (12), heat absorption subassembly (12) are including setting up frame (121) on base (11), heat absorption pipe (122) that a plurality of interval at frame (121) top set up and refraction board (123) of fixed connection in frame (121) bottom, the projection plane at partial place between heat absorption pipe (122) and adjacent heat absorption pipe (122) is covered in refraction board (123), refraction board (123) top surface evenly is formed with recess (1231) that a plurality of side slope set up.

2. A solar heat absorber device according to claim 1, wherein: the heat absorption components (12) are provided with a plurality of groups, wherein one group of heat absorption components (12) are horizontally arranged right above the base (11), the rest heat absorption components (12) are symmetrically arranged above the two sides of the base (11), one side of the heat absorption components far away from the base (11) is inclined downwards, and the inclination angles of the heat absorption components (12) at the two sides of the base (11) are gradually increased along the direction of the heat absorption components (12) far away from the right above the base (11).

3. A solar heat absorber device according to claim 2, wherein: the frames (121) of the adjacent heat absorption assemblies (12) are hinged with each other, a telescopic driving part is arranged between each heat absorption assembly (12) on two sides of the base (11) and the base (11), one end of the driving part is hinged with the frame (121) of the heat absorption assembly (12), and the other end of the driving part is hinged with the base (11).

4. A solar heat absorber device according to claim 1, wherein: the heat absorption tubes (122) are provided with two layers along the direction perpendicular to the refraction plate (123), each layer of heat absorption tubes (122) is provided with a plurality of heat absorption tubes, and the two layers of heat absorption tubes (122) are arranged in a staggered mode.

5. A solar heat absorber device according to claim 1, wherein: the grooves (1231) are long-strip-shaped, and the side surfaces of the adjacent grooves (1231) are mutually abutted.

6. A solar heat absorber device according to claim 1, wherein: the surface of the refraction plate (123) is coated with far infrared radiation paint (1232).

7. A solar heating system is characterized in that: comprising a heat absorber device (1) according to any one of claims 3-6, a user line (2) and a circulation line (3) for circulating all heat absorber tubes (122) of the heat absorber device (1) in communication with the user line (2), the circulation line (3) being provided with a circulation pump (32).

8. A solar heating system according to claim 7, wherein: the circulating pipeline (3) is communicated with a plurality of connecting pipes (31) which are arranged in one-to-one correspondence with the heat absorption assemblies (12), and one end of each connecting pipe (31) far away from the circulating pipeline (3) is communicated with all heat absorption pipes (122) of the corresponding heat absorption assembly (12); still include controlling means (4), controlling means (4) include controller (41), temperature detection component and control valve (43) all are provided with a plurality of and with connecting pipe (31) one-to-one, the temperature detection component is installed in corresponding connecting pipe (31), and be used for detecting the temperature in the connecting pipe (31) that corresponds, install on corresponding connecting pipe (31) control valve (43), controller (41) and temperature detection component, control valve (43) all are connected, and control valve (43) on being used for the connecting pipe (31) that the control temperature is the highest are opened.

9. A solar heating system according to claim 8, wherein: the controller (41) is connected with the driving part, and when the temperature of the connecting pipe (31) with the highest temperature exceeds a high-temperature preset value, the controller (41) is used for driving the driving part to stretch and contract and enabling the inclination angles of the rest heat absorption assemblies (12) on the two sides of the base (11) to be the same as the inclination angle of the heat absorption assembly (12) corresponding to the connecting pipe (31) with the highest temperature.

10. A solar heating system according to claim 8, wherein: and a heat storage pipe (5) is communicated between two ends of the circulating pipe, a heat storage (6) is communicated on the heat storage pipe (5), a switching valve (51) connected with the controller (41) is further installed on the heat storage pipe (5), and when the temperature of the connecting pipe (31) with the highest temperature exceeds a preset value, the controller (41) controls the switching valve (51) to be opened.