CN111998548A

CN111998548A - Wall-mounted solar heat collector and mounting method thereof

Info

Publication number: CN111998548A
Application number: CN202010906807.7A
Authority: CN
Inventors: 王东明
Original assignee: Guangzhou Dr Li Scientific Research Co ltd
Current assignee: DEZHOU JINHENG NEW ENERGY Co.,Ltd.
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2020-11-27
Anticipated expiration: 2040-09-01
Also published as: CN111998548B

Abstract

The invention relates to the technical field of solar heat collectors, and discloses a wall-mounted solar heat collector and an installation method thereof. The invention drives the moving section of the heat absorbing plate to gather and extend through the electromagnet and the positioning block, so that the heat collector can utilize the CPC light collecting plate to enhance the intensity of solar rays when the rays are sufficient, and increase the sunny area of the heat absorbing coating when the rays are weak, thereby increasing the area for receiving diffused rays.

Description

Wall-mounted solar heat collector and mounting method thereof

Technical Field

The invention relates to the technical field of solar heat collectors, in particular to a wall-mounted solar heat collector and an installation method thereof.

Background

The wall-mounted solar heat collector is specially designed and developed for high-rise and small high-rise residences, and solves the problem that the traditional solar heat collector cannot be combined with buildings and environments. The existing wall-mounted solar heat collector mainly uses a flat plate heat collector and a vacuum tube heat collector, and the two heat collectors respectively have the advantages and the disadvantages as follows:

1. the flat plate collector converts solar energy into heat energy through the heat absorbing plate, and transfers the energy to the heat transfer medium in the heat absorbing plate, and the heat absorbing plate is basically in a flat plate shape, so the flat plate collector has the characteristic of high solar absorption ratio, but the flat plate collector has the defect of high heat loss, and the combination of the condenser to the flat plate collector is limited due to the flat plate heat absorbing plate.

2. The vacuum tube heat collector comprises an outer tube and an inner tube, wherein the outer wall of the inner tube is coated with a heat absorption coating, the outer tube is a transparent glass tube, a heat transfer medium flows in the inner tube, the inner tube and the outer tube are vacuumized, and the heat conduction of air is reduced, so that the vacuum tube heat collector has the advantage of low heat loss, and a light-gathering plate is arranged in the outer pipe to form a heat collector with light-gathering performance, and a light-gathering type vacuum heat collecting pipe in a CPC (compound parabolic concentrator) enables the vacuum pipe heat collector to gather light and improve the light intensity, because the inner tube is a cylindrical surface, when the heat collector is fixedly arranged on a wall surface or a balcony, the surface of the inner tube is provided with a light facing surface and a backlight surface, the light facing surface is the same as a heat absorbing plate of the flat plate heat collector, the direct solar rays and the diffused rays can be absorbed, and the backlight surface mainly absorbs the direct solar rays with higher intensity and partial diffused rays after being concentrated by the CPC.

Compared with a flat plate collector, the vacuum tube collector has the following characteristics: in a sunny day with sufficient light, the intensity of the light can be improved by the vacuum tube heat collector through the gathering effect of CPC on the light, so that the heat collection performance of the vacuum tube heat collector is higher than that of the flat plate heat collector; however, most of the solar rays are diffused rays in rainy days with low rays, but the receiving area of the vacuum tube is reduced due to the cylindrical structure of the vacuum tube, so that the heat collection performance of the vacuum tube is low in rainy days.

In the residential quarter, because the high-rise building stands, the building has blockked sunshine for the time that the heat collector obtains sunshine direct projection is short, and especially in overcast and rainy day, light is more insufficient, how to compromise low heat waste, the spotlight advantage of vacuum tube heat collector, can improve the thermal-arrest performance of vacuum tube heat collector in overcast and rainy day simultaneously is the problem that this scheme will solve.

Disclosure of Invention

Aiming at the defects of the existing wall-mounted solar thermal collector in the background technology in the using process, the invention provides the wall-mounted solar thermal collector and the installation method thereof, which have the advantages of low heat loss, good heat collection performance and intelligent regulation and control, and solve the problem of low heat collection performance in rainy days in the background technology.

The invention provides the following technical scheme: the utility model provides a wall-hanging solar collector and installation method thereof, includes outer tube, inner tube and CPC solar panel, the fixed internal fixation of tube connects in the inside of outer tube, the CPC solar panel is located the inside of outer tube and sets up in the backlight face of inner tube, be equipped with the absorber plate on the outer wall of inner tube, the surface of absorber plate is equipped with the heat absorption coating, the absorber plate includes canned paragraph and removal section, canned paragraph and removal section integrated into one piece, the inner wall fixed mounting of outer tube has the heat insulating board, be equipped with electro-magnet and the locating piece that is located the heat insulating board and keeps away from absorber plate one side in the inner chamber of outer tube, the outer wall sliding.

Preferably, the fixed section is fixedly connected to the outer wall of the inner tube on the side facing the light, and the movable section is soft and telescopic.

Preferably, the outer wall of the fixed section is wavy, and the length value of the absorber plate is the same as the circumference value of the inner pipe.

Preferably, the outer wall of heat insulating board both sides has all seted up the spout, magnetism is inhaled piece sliding connection in the inside of spout, the lateral wall of spout is equipped with the ball.

Preferably, the magnetic block is two permanent magnets which attract each other, the magnetic block is used for connecting the moving section and the electromagnet, and two ends of the moving section and the magnetic block and the electromagnet keep a relatively stable state.

Preferably, the number of the positioning blocks is four, two positioning blocks are set as a group of positioning assemblies, and the two groups of positioning assemblies are respectively and symmetrically arranged on the horizontal and vertical axial planes of the inner pipe.

Preferably, the electromagnet is electrically connected with an illumination sensor, the illumination sensor is connected with a controller through a lead, and the controller is provided with an opening button.

The invention has the following beneficial effects:

1. the invention drives the moving section of the heat absorbing plate to gather and extend through the electromagnet and the positioning block, so that the heat collector can utilize the CPC light collecting plate to enhance the intensity of solar rays when the rays are sufficient, and increase the sunny area of the heat absorbing coating when the rays are weak, thereby increasing the area for receiving diffused rays.

2. The automatic control system is formed by the illumination sensor and the controller, the state of the moving section of the heat absorbing plate can be automatically adjusted according to the light intensity, the purpose of automatic intelligent control is achieved, in addition, the manual control effect is realized by the configuration of the opening button and the controller, the detection time of the illumination sensor can be saved, the heat absorption time of the heat collector is prolonged, and the heat collector has good use performance by the combination of automatic control and manual control.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side partial cross-sectional view of the present invention;

FIG. 3 is a left side partial cross-sectional view of the present invention;

fig. 4 is an installation schematic of the present invention.

In the figure: 1. an outer tube; 2. an inner tube; 3. a CPC light-gathering plate; 4. a heat absorbing plate; 401. a fixed section; 402. a moving section; 5. a heat insulation plate; 6. a chute; 7. a magnetic block; 8. an electromagnet; 9. positioning blocks; 10. a ball bearing; 11. an illumination sensor; 12. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a wall-mounted solar thermal collector and a method for installing the same, includes an outer tube 1, an inner tube 2, and a CPC solar panel 3, the inner tube 2 is fixedly secured inside the outer tube 1, the inner tube 2 is divided into a light facing surface and a light facing surface by a vertical central axis surface of the inner tube 2, the CPC solar panel 3 is located inside the outer tube 1 and is disposed on the light facing surface of the inner tube 2, referring to fig. 2, the outer tube 1 is fixedly secured to a fixing frame, the fixing frame is mounted on a balcony or an outer wall, a heat absorbing plate 4 is disposed on an outer wall of the inner tube 2, a heat absorbing coating is disposed on an outer surface of the heat absorbing plate 4, the heat absorbing plate 4 includes a fixed section 401 and a moving section 402, the fixed section 401 and the moving section 402 are integrally formed, the moving section 402 can be unfolded around an outer wall of the inner tube 2, a connection portion between the fixed section 401 and the, the fixed section 401 is fixedly connected to the outer wall of the light-facing side of the inner tube 2, the fixed section 401 is fixed, the heat-absorbing coating on the outer wall of the fixed section 401 can absorb direct radiation rays and diffused radiation rays of the sun, the moving section 402 is soft and telescopic, the moving section 402 can be gathered at the center of the inner tube 2 and tightly attached to the outer wall of the inner tube 2 to form a complete annular cylinder with the outer tube 1, at the moment, the heat-absorbing plate 4 is divided into a light-facing surface of the fixed section 401 and a backlight surface of the moving section 402, the light-facing surface can absorb direct radiation and diffused radiation rays of sunlight, at the moment, the heat-absorbing coating on the moving section 402 can gather and absorb the rays reflected on the moving section 402 through the CPC light-gathering plate 3, and the moving section 402 absorbs the direct; when the moving section 402 is unfolded towards the two sides of the inner tube 2, the fixed section 401 and the moving section 402 are both smooth surfaces, and can absorb direct radiation and diffused radiation rays, but cannot obtain gathered rays with higher intensity through the CPC light collecting plate 3, in the scheme, the stretching setting condition of the moving section 402 is rainy days, namely, the direct rays of the sun are little or even absent, the moving section 402 mainly absorbs diffused rays after stretching, at the moment, the smooth surface heat absorbing plate 4 of the heat absorbing plate 4 and the inner tube 2 form a structure similar to a tube-plate type flat plate heat collector, the tube-plate type flat plate heat collector has the characteristics of high heat efficiency, no combination of heat resistance and strong pressure resistance, and therefore, after the moving section 402 is stretched, the performance of the heat collector can be ensured; in addition, the outer wall of the fixed section 401 is wavy, the area of a coating is increased, the absorption capacity of solar energy is improved, the length value of the heat absorbing plate 4 is the same as the perimeter value of the inner tube 2, when the movable section 402 is tightly attached to the outer wall of the inner tube 2, the outer wall of the inner tube 2 can be completely wrapped, and therefore when the weather is clear, the CPC light collecting plate 3 can reflect the direct radiation rays of the sun on the heat absorbing coating on the outer side of the inner tube 2; the inner wall of the outer pipe 1 is fixedly provided with a heat insulation plate 5, a known technology that a spring support and a corrugated pipe are used for connecting and sealing the inner pipe 2 and the outer pipe 1 is adopted at the position of the heat insulation plate 5, the outer pipe 1 and the heat insulation plate 5 are vacuumized to form a vacuum cavity, the inner pipe 2 penetrates through the heat insulation plate 5 and the outer pipe 1, a medium is introduced, referring to the figure 1, a CPC light gathering plate 3 and a heat absorption plate 4 are positioned in the vacuum cavity, an electromagnet 8 and a positioning block 9 which are positioned at one side of the heat insulation plate 5 far away from the heat absorption plate 4 are arranged in the inner cavity of the outer pipe 1, the outer wall of the heat insulation plate 5 is connected with a magnetic absorption block 7 in a sliding mode, the outer walls at two sides of the heat insulation plate 5 are both provided with sliding grooves 6, the sliding grooves 6 play a role in guiding the movement of the magnetic absorption block 7, referring to the figure 2, the sliding grooves 6 are provided, the magnetic block 7 is connected inside the chute 6 in a sliding manner, the side wall of the chute 6 is provided with the ball 10, the ball 10 can reduce the friction force of the magnetic block 7 in the moving process due to the bending of the chute 6, the moving smoothness of the moving section 402 is improved, the driving sensitivity of the chute 6 to the heat absorbing plate 4 is improved, the magnetic block 7 is two permanent magnetic blocks which attract each other, the magnetic block 7 is used for connecting the moving section 402 and the electromagnet 8, the two ends of the moving section 402 and the magnetic block 7 and the electromagnet 8 are kept in a relatively stable state, because the heat insulation plate 5 is provided with the seal, in order to ensure the vacuum state of the vacuum cavity, the heat absorption plate 4 and the electromagnet 8 are connected by the attraction of the two permanent magnets, when currents in different directions are introduced into the electromagnet 8, different polarities are generated at two ends of the electromagnet 8, and the moving section 402 is driven to gather or extend by utilizing the principle that like poles repel each other and opposite poles attract each other.

The positioning blocks 9 are positioned in an inner cavity formed by the outer tube 1 and the heat insulation plate 5 and far away from the CPC light gathering plate 3 and the heat absorption plate 4, the electromagnets 8 and the positioning blocks 9 are positioned in the same space, the number of the positioning blocks 9 is four, two positioning blocks 9 are set as a group of positioning components, two groups of positioning components are respectively and symmetrically arranged on the horizontal and vertical axial surfaces of the inner tube 2, the positioning blocks 9 are permanent magnets, the number of the electromagnets 8 is two, the electromagnets 8 and the positioning blocks 9 are divided into two groups of control combinations for respectively controlling the movement of the upper and lower moving sections 402, the magnetic poles of the positioning blocks 9 and the ends opposite to the electromagnets 8 are the same, the electromagnets 8 are electrically connected with illumination sensors 11, the illumination sensors 11 are connected with a controller 12 through leads, the controller 12 is used for controlling the forward and reverse directions of current led into the electromagnets 8, the controller 12 is provided with an, when the light intensity measured by the illumination sensor 11 is within the set weak light range, the illumination sensor 11 feeds back data to the controller 12, and the controller 12 automatically controls the gathering and stretching of the moving section 402, which is automatic adjustment; considering that the magnetic fields generated by the two electromagnets 8 after generating magnetism simultaneously may have mutual influence, a material with high magnetic conductivity may be arranged between the two groups of electromagnets 8 and the positioning block 9 to separate the upper and lower groups of electromagnets 8 and the positioning block 9, so as to avoid the mutual influence of the two magnetic fields.

The adjusting method and principle are as follows: when the moving section 402 is in a gathering state, the light intensity measured by the light sensor 11 is low, or the start button is pressed, the controller 12 supplies current to the electromagnet 8, so that the electromagnet 8 is the same as the magnetic pole at the end opposite to the positioning block 9 on the horizontal axial surface, the magnetic pole at the other end of the electromagnet 8 is opposite to the magnetic pole at the end opposite to the positioning block 9 on the vertical axial surface, under the action of the repulsive force of the positioning block 9 on the horizontal axial surface and the attractive force of the positioning block 9 on the vertical axial surface, the electromagnet 8 drives the moving section 402 connected with the magnetic block 7 to move from the horizontal position to the vertical position along the sliding chute 6 to reach an extending state, at the moment, the whole heat absorption coating on the surface of the heat absorption plate 4 can receive diffused radiation, and the absorption and conversion efficiency of the heat collector; when the moving section 402 is in an extended state, the light intensity measured by the light sensor 11 is high, or the opening button is pressed again to close, then the action is opposite to the above, the moving section 402 is gathered inwards to be attached to the outer wall of the inner tube 2, the CPC light-gathering plate 3 gathers the direct radiation light of the sun and reflects the light on the heat-absorbing coating on the surface of the heat-absorbing plate 4, and the light intensity is effectively improved;

to sum up, this heat collector can be in the lower overcast and rainy day of light intensity, through the increase to the absorptive area of diffuse light, improves the performance of this heat collector to can be in the strong sunny day of light, through the direct sunlight ray of CPC solar panel 3 gathering, improve light intensity, thereby reach and improve this heat collector conversion efficiency.

The using method of the invention is as follows: the fixing frame is arranged on an outdoor balcony or an outdoor wall, one surface of the fixing section 401 of the heat absorbing plate 4 faces outwards, and the water tank connected with the controller 12 is arranged indoors; because the illumination sensor 11 needs a certain time for measurement, if the user knows that the light is weak but the moving section 402 is not extended, the user can press the start button to manually control the moving section 402 to be extended, so as to increase the time for the heat collector to absorb the diffused light; the manual opening and closing and the automatic opening and closing are not affected, after the manual control moving section 402 is extended, if the light detected by the illumination sensor 11 is strong, the controller 12 will automatically control the moving section 402 to be gathered, or vice versa.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wall-hanging solar collector and installation method thereof, includes outer tube (1), inner tube (2) and CPC solar panel (3), inner tube (2) are fixed to be cup jointed in the inside of outer tube (1), CPC solar panel (3) are located the inside of outer tube (1) and set up in the shady face of inner tube (2), its characterized in that: be equipped with absorber plate (4) on the outer wall of inner tube (2), the surface of absorber plate (4) is equipped with the heat absorption coating, absorber plate (4) are including canned paragraph (401) and removal section (402), canned paragraph (401) and removal section (402) integrated into one piece, the inner wall fixed mounting of outer tube (1) has heat insulating board (5), be equipped with in the inner chamber of outer tube (1) and be located heat insulating board (5) electromagnet (8) and locating piece (9) of keeping away from absorber plate (4) one side, the outer wall sliding connection of heat insulating board (5) has magnetism to inhale piece (7).

2. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: the fixed section (401) is fixedly connected to the outer wall of the light-emitting side of the inner tube (2), and the movable section (402) is soft and telescopic.

3. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: the outer wall of the fixed section (401) is wavy, and the length value of the heat absorbing plate (4) is the same as the perimeter value of the inner pipe (2).

4. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: the outer wall of heat insulating board (5) both sides has all seted up spout (6), magnetism piece (7) sliding connection is inhaled in the inside of spout (6), the lateral wall of spout (6) is equipped with ball (10).

5. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: magnetism is inhaled piece (7) and is two permanent magnetism pieces that attract each other, magnetism is inhaled piece (7) and is used for connecting removal section (402) and electro-magnet (8), the both ends of removing section (402) and magnetism are inhaled piece (7) and electro-magnet (8) and are kept relative stable state.

6. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: the number of the positioning blocks (9) is four, two positioning blocks (9) are set as a group of positioning components, and the two groups of positioning components are respectively and symmetrically arranged on the horizontal and vertical axial planes of the inner tube (2).

7. A wall-mounted solar collector and method of installing the same as claimed in claim 1, wherein: electromagnet (8) electric connection has illumination sensor (11), illumination sensor (11) are connected with controller (12) through the wire, be equipped with on controller (12) and open the button.