Solar collector tracking device and solar collector

Abstract

This invention discloses a solar collector and solar photoelectric tracking device, relating to the field of solar engineering technology. It includes a support shaft, a bottom rotating shaft, a drive device, and a rotation mechanism. Multiple support shafts are arranged side-by-side along the axial direction of the bottom rotating shaft, which is rotatably mounted on these support shafts. Multiple fixed supports are arranged along the axial direction of the bottom rotating shaft, and these fixed supports are used to fix the solar collector units. Each fixed support is equipped with a rotation mechanism connected to the solar collector unit, which can drive the solar collector unit to rotate, thereby adjusting the azimuth angle of the solar collector unit. The drive device is connected to the bottom rotating shaft and can drive the bottom rotating shaft to rotate around its axis, thereby simultaneously adjusting the height angle of multiple solar collector units. This invention also provides a solar collector, including a solar collector unit and the solar collector and solar photoelectric tracking device described above. This invention simplifies the overall structure, reduces the number of control mechanisms and cables, simplifies installation, and makes control simpler and more unified.

Description

Technical Field

[0001] This invention relates to the field of solar energy engineering technology, and in particular to a solar collector and solar photovoltaic device and a solar collector. Background Technology

[0002] With the advancement of the national "carbon compliance" goal, solar thermal collectors have been widely used in various industries. Due to their green and pollution-free characteristics, they are gradually replacing traditional fossil energy and reducing environmental pollution caused by carbon emissions.

[0003] Currently, most solar collectors used in the market adopt a single-group row arrangement. Each group of collectors needs to be equipped with an elevation angle adjustment structure and control mechanism, resulting in a large number of cables to be laid, which increases the difficulty of on-site construction. Moreover, the elevation angle adjustment mechanism is usually located at a high position, making it difficult to repair and posing a certain degree of danger if a fault occurs.

[0004] Therefore, a solar collector and a solar photovoltaic device are provided to solve the above-mentioned problems existing in the prior art. Summary of the Invention

[0005] The purpose of this invention is to provide a solar collector and light-following device and a solar collector to solve the problems existing in the prior art, simplify the overall structure, reduce the number of control mechanisms and cables, facilitate installation, and make control simpler and more unified.

[0006] To achieve the above objectives, the present invention provides the following solution:

[0007] This invention provides a solar collector and light-following device, including a support shaft seat, a bottom rotating shaft, a drive device, and a rotation mechanism. Multiple support shaft seats are arranged side-by-side along the axial direction of the bottom rotating shaft, and the bottom rotating shaft is rotatably mounted on the multiple support shaft seats. Multiple fixed supports are arranged along the axial direction of the bottom rotating shaft, and the fixed supports are used to fix solar collector units. Each fixed support is equipped with a rotation mechanism, which is connected to the solar collector unit and can drive the solar collector unit to rotate, thereby adjusting the azimuth angle of the solar collector unit. The drive device is connected to the bottom rotating shaft and can drive the bottom rotating shaft to rotate around its axis, thereby simultaneously adjusting the height angle of the multiple solar collector units.

[0008] Preferably, it also includes a bottom foundation, which extends axially along the bottom pivot, and the bottom of the support shaft seat is fixed to the bottom foundation by anchor bolts.

[0009] Preferably, the bottom rotating shaft is provided with the support shaft seat at both ends and on both sides of any one of the fixed supports; wherein any one of the support shaft seats includes a bearing bush, a bearing bush seat and a bearing bush cover, the bearing bush is located on the top of the bearing bush seat, the bearing bush cover is located on the top of the bearing bush and fastens the bearing bush to the bearing bush seat, and the bottom rotating shaft is rotatably installed in the bearing bush.

[0010] Preferably, the driving device is a drive motor, the output shaft of the drive motor is connected to a reducer and a first reduction gear is coaxially mounted thereon, and a second reduction gear is coaxially mounted on the bottom rotating shaft. The first reduction gear meshes with the second reduction gear so that the drive motor can drive the bottom rotating shaft to rotate; wherein, the diameter of the first reduction gear is smaller than the diameter of the second reduction gear.

[0011] Preferably, it further includes a clamping device for clamping the bottom rotating shaft to prevent the bottom rotating shaft from rotating;

[0012] The clamping device and the driving device are both connected to the controller signal. When no power is applied, the clamping device clamps the bottom rotating shaft. When the driving device drives the bottom rotating shaft to rotate, the clamping device releases the bottom rotating shaft.

[0013] Preferably, the bottom rotating shaft is a hollow shaft, and the two ends of the hollow shaft are connected to rotary joints through flanges. A heat-conducting medium pipe is arranged inside the hollow shaft along its axial direction. The two ends of the heat-conducting medium pipe are respectively connected to the connecting pipe through the rotary joints at both ends, and the heat-conducting medium pipe is connected to the pipe of the heat collection unit.

[0014] Preferably, it further includes a positioning tube assembly, through which the heat-conducting medium pipeline is connected to the pipeline of the heat collection unit; the positioning tube assembly includes a double rotary joint assembly, which is provided with a medium inlet channel and a medium outlet channel, one end of the medium inlet channel and the medium outlet channel being connected to the pipeline of the heat collection unit, and the other end being connected to the heat-conducting medium pipeline.

[0015] Preferably, it also includes a lower connecting frame, the top of which is used to connect to the heat collection unit, and the bottom of which is connected to the positioning tube assembly;

[0016] The slewing mechanism is a slewing reducer, the top of which is connected to the bottom of the lower connecting frame, and the bottom of which is connected to the positioning tube assembly.

[0017] Preferably, multiple bottom rotating shafts are arranged side by side, and the heat-conducting medium pipes within the multiple bottom rotating shafts are connected in parallel through the connecting pipe and arranged in the same direction; the connecting pipe is connected to the main pipe and is used to transport the heated heat-conducting medium to the heat-using end.

[0018] The present invention also provides a solar collector, including a heat collection unit and a solar collector and light-emitting device as described above.

[0019] The present invention achieves the following technical effects compared to the prior art:

[0020] This invention uses a rotary mechanism to drive a single set of solar collector units to rotate in azimuth angle, ensuring that the solar collector units rotate synchronously with the sun. The drive device can drive the bottom rotating shaft and multiple solar collector units on it to rotate, and can simultaneously adjust the height angle of multiple collector units. Compared with the prior art, which requires an electric push rod for each set of solar collector units to adjust the height angle, this invention simplifies the overall structure, reduces the number of control mechanisms and cables, makes installation easier, and makes control simpler and more unified. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a partial schematic diagram of the solar collector in an embodiment of the present invention;

[0023] Figure 2 This is a partial schematic diagram of the main view of the solar collector in an embodiment of the present invention;

[0024] Figure 3 This is a partial rear view of the solar collector in an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the return position of the solar collector in an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the array layout of the solar collector in an embodiment of the present invention.

[0027] In the diagram: 1-Slot-type heat collection unit; 2-Lower connecting frame; 3-Positioning tube assembly; 4-Rotary reducer; 5-Bottom shaft; 6-Support shaft seat; 7-Drive motor; 8-Clamping device. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] The purpose of this invention is to provide a solar collector and light-following device and a solar collector to solve the problems existing in the prior art, simplify the overall structure, reduce the number of control mechanisms and cables, facilitate installation, and make control simpler and more unified.

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Example 1

[0032] like Figures 1-5 As shown, this embodiment provides a solar collector and light-following device, mainly including a support shaft seat 6, a bottom rotating shaft 5, a drive device, and a rotation mechanism. Multiple support shaft seats 6 are arranged side-by-side along the axial direction of the bottom rotating shaft 5, and the bottom rotating shaft 5 is rotatably mounted on multiple support shaft seats 6. Multiple fixed supports are arranged along the axial direction of the bottom rotating shaft 5, and the fixed supports are used to fix the heat collection units. Each fixed support is equipped with a rotation mechanism, which is connected to the heat collection unit and can drive the heat collection unit to rotate, thereby adjusting the azimuth angle of the heat collection unit. The drive device is connected to the bottom rotating shaft 5 and can drive the bottom rotating shaft 5 to rotate around its axis, thereby simultaneously adjusting the height angle of multiple heat collection units.

[0033] In this embodiment, a rotary mechanism drives a single solar collector unit to rotate in azimuth angle, ensuring that the solar collector unit rotates synchronously with the sun. A drive device drives the bottom rotating shaft 5 and multiple solar collector units on it to rotate, which can simultaneously adjust the height angle of multiple collector units. Compared with the prior art, where each solar collector unit requires an electric push rod for height angle adjustment, this simplifies the overall structure, reduces the number of control mechanisms and cables, makes installation easier, and makes control simpler and more unified.

[0034] In this embodiment, a bottom foundation is also included, which extends axially along the bottom pivot 5, and the bottom of the support shaft seat 6 is fixed to the bottom foundation by anchor bolts; wherein, the bottom foundation can be a concrete foundation, and the overall stability is improved by setting a bottom foundation.

[0035] In this embodiment, the bottom rotating shaft 5 is provided with support bearings 6 at both ends and on both sides of any one of the fixed supports; wherein, each of the support bearings 6 includes a bearing bush, a bearing bush seat, and a bearing bush cover. The bearing bush is located on top of the bearing bush seat, and the bearing bush cover is located on top of the bearing bush. The bearing bush is fastened to the bearing bush seat by bolts. The bottom rotating shaft 5 is rotatably installed in the bearing bush, which reduces rotational friction and ensures the coaxiality of the bottom rotating shaft 5, so that the drive device can smoothly drive the bottom rotating shaft 5 and the heat collection unit to rotate when working.

[0036] In this embodiment, the driving device is preferably a drive motor 7. The output shaft of the drive motor 7 is connected to a reducer and a first reduction gear is coaxially mounted thereon. A second reduction gear is coaxially mounted on the bottom rotating shaft 5. The first reduction gear meshes with the second reduction gear so that the drive motor 7 can drive the bottom rotating shaft 5 to rotate. The diameter of the first reduction gear is smaller than the diameter of the second reduction gear, achieving further speed reduction. When the drive motor 7 operates, it drives the first reduction gear to rotate, causing the bottom rotating shaft 5 to rotate through gear transmission. This causes the solar collector unit to rotate up and down, forming a fan-shaped motion trajectory, thereby adjusting the solar altitude angle of the solar collector.

[0037] In this embodiment, a clamping device 8 is also included. The clamping device 8 is used to clamp the bottom rotating shaft 5 to prevent the bottom rotating shaft 5 from rotating. The clamping device 8 can be selected according to specific working needs, and is preferably a drum brake, which mainly includes a base, a connecting frame, a motor, and brake pads. The clamping device 8 is connected to the bottom rotating shaft 5 via the brake pads and fixed to the bottom rotating shaft 5. When the clamping device 8 is powered on, the brake pads are released, allowing the bottom rotating shaft 5 to rotate. When the clamping device 8 stops working, the brake pads clamp, fixing the bottom rotating shaft 5 and keeping it stationary, making the bottom base and the bottom rotating shaft 5 a single unit, ensuring the stability and wind resistance of the device. In the event of a power outage, the clamping device 8 will also remain clamped to ensure the stability of the device and cope with the sudden occurrence of extreme weather.

[0038] In this embodiment, the bottom rotating shaft 5 is a hollow shaft. Both ends of the hollow shaft are connected to rotary joints via flanges. The rotary joints are connected to the flanges by fastening bolts, and a sealing gasket is provided between them to ensure the sealing and stability of the connection. A heat-conducting medium pipe is arranged axially inside the hollow shaft. The heat-conducting medium pipe is fixed inside the hollow shaft by multiple concentric fixing plates arranged side by side to ensure coaxial arrangement. Both ends of the heat-conducting medium pipe are connected to connecting pipes through the rotary joints at both ends, ensuring that the heat-conducting medium pipe inside the bottom rotating shaft 5 can rotate synchronously with it when the bottom rotating shaft 5 rotates. The heat-conducting medium pipe is connected to the pipe of the heat collection unit.

[0039] In this embodiment, a positioning tube assembly 3 is also included. The heat transfer medium pipeline is connected to the pipeline of the heat collection unit through the positioning tube assembly 3. The positioning tube assembly 3 includes a double rotary joint assembly, which is fixed on a fixed support. The assembly has a medium inlet channel and a medium outlet channel. One end of each channel is connected to the pipeline of the heat collection unit, and the other end is connected to a pre-installed tee flange on the heat transfer medium pipeline via a flexible metal hose. In this embodiment, multiple heat collection units on the same bottom rotating shaft 5 are connected in series, and a multi-stage heating method is used to heat the heat transfer medium to the design temperature.

[0040] In this embodiment, a lower connecting frame 2 is also included. The top of the lower connecting frame 2 is used to connect to the heat collection unit, and the bottom is connected to the positioning tube assembly 3. The lower connecting frame 2 includes a support bracket and diagonal braces. The support bracket and diagonal braces are welded to form a triangular structure, which makes the device more stable and ensures the integrity, torsional resistance and stability of the frame.

[0041] Furthermore, the rotary mechanism is preferably a rotary reducer 4, the top of which is connected to the bottom of the lower connecting frame 2, and the bottom of which is connected to the positioning tube assembly 3. The rotary reducer 4 drives the lower connecting frame 2 to rotate, so that the heat collection unit tracks along the solar azimuth angle. The double rotary joint assembly may also be provided with a positioning disc for fixing the rotary reducer 4.

[0042] In this embodiment, as Figure 5 As shown, multiple bottom rotating shafts 5 are arranged side by side, and the heat-conducting medium pipes within the multiple bottom rotating shafts 5 are connected in parallel through the connecting pipe and arranged in the same direction to ensure that the flow rate in each heat-conducting medium pipe is equal; the connecting pipe is connected to the main pipe and is used to collect the heated heat-conducting medium into the main pipe and transport it to the heat-using end.

[0043] This embodiment also provides a solar collector, including a heat collection unit and a solar collector and light-following device as described above. The heat collection unit can be selected according to working needs, and is preferably a trough-type heat collection unit 1.

[0044] The working process of the solar collector in this embodiment is as follows:

[0045] When the entire array solar collector starts working, in the light-following state, the drive motor 7 starts working, and the clamping device 8 is energized and the brake pads are released. The bottom rotating shaft 5 starts to rotate, driving the heat collection unit to rotate. Through the controller signal, the drive motor 7 accurately positions the solar altitude angle at that time. The bottom rotating shaft 5 drives multiple sets of heat collection units to simultaneously position the solar altitude angle. After the controller program, it is more accurate and uniform. At the same time, the rotary reducer 4 on the upper part of the positioning tube assembly 3 starts working, driving the heat collection unit to rotate. The controller program adjusts the solar azimuth angle at this time, so that the entire heat collection unit is in the ideal light-following state.

[0046] Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this invention. Furthermore, those skilled in the art will recognize that, based on the ideas of this invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this invention.

Claims

1. A solar collector and light-emitting device, characterized in that: The device includes a support shaft seat, a bottom rotating shaft, a drive device, and a rotation mechanism. Multiple support shaft seats are arranged side-by-side along the axial direction of the bottom rotating shaft, and the bottom rotating shaft is rotatably mounted on the multiple support shaft seats. Multiple fixed supports are arranged along the axial direction of the bottom rotating shaft, and these fixed supports are used to fix the heat collection units. Each fixed support is equipped with a rotation mechanism, which is connected to the heat collection unit and can drive the heat collection unit to rotate, thereby adjusting the azimuth angle of the heat collection unit. The drive device is connected to the bottom rotating shaft and can drive the bottom rotating shaft to rotate around its axis, thereby simultaneously adjusting the height angle of the multiple heat collection units. The bottom rotating shaft is provided with support bearings at both ends and on both sides of any one of the fixed supports; wherein, each of the support bearings includes a bearing bush, a bearing bush seat, and a bearing bush cover, the bearing bush is located on top of the bearing bush seat, the bearing bush cover is located on top of the bearing bush, and the bearing bush is fastened to the bearing bush seat, the bottom rotating shaft is rotatably installed in the bearing bush, which reduces rotational friction and also ensures the coaxiality of the bottom rotating shaft; It also includes a clamping device for clamping the bottom rotating shaft to prevent the bottom rotating shaft from rotating; wherein, the clamping device and the driving device are both connected to the controller signal; when no power is applied, the clamping device clamps the bottom rotating shaft; when the driving device drives the bottom rotating shaft to rotate, the clamping device releases the bottom rotating shaft.

2. The solar collector and light-emitting device according to claim 1, characterized in that: It also includes a bottom foundation that extends axially along the bottom pivot, and the bottom of the support shaft seat is fixed to the bottom foundation by anchor bolts.

3. The solar collector follow-up device according to claim 1, characterized in that: The driving device is a drive motor. The output shaft of the drive motor is connected to a reducer and a first reduction gear is coaxially mounted thereon. A second reduction gear is coaxially mounted on the bottom rotating shaft. The first reduction gear meshes with the second reduction gear so that the drive motor can drive the bottom rotating shaft to rotate. The diameter of the first reduction gear is smaller than the diameter of the second reduction gear.

4. The solar collector follow-up device according to claim 1, characterized in that: The bottom rotating shaft is a hollow shaft, and the two ends of the hollow shaft are connected to rotary joints through flanges. A heat-conducting medium pipe is arranged inside the hollow shaft along its axial direction. The two ends of the heat-conducting medium pipe are respectively connected to the connecting pipe through the rotary joints at both ends, and the heat-conducting medium pipe is connected to the pipe of the heat collection unit.

5. The solar collector follow-up device according to claim 4, characterized in that: It also includes a positioning tube assembly, through which the heat-conducting medium pipeline is connected to the pipeline of the heat collection unit; the positioning tube assembly includes a double rotary joint assembly, which is provided with a medium inlet channel and a medium outlet channel, one end of the medium inlet channel and the medium outlet channel being connected to the pipeline of the heat collection unit, and the other end being connected to the heat-conducting medium pipeline.

6. The solar collector follow-up device according to claim 5, characterized in that: It also includes a lower connecting frame, the top of which is used to connect to the heat collection unit, and the bottom of which is connected to the positioning tube assembly; The slewing mechanism is a slewing reducer, the top of which is connected to the bottom of the lower connecting frame, and the bottom of which is connected to the positioning tube assembly.

7. A solar collector tracking device according to any one of claims 4 to 6, wherein: Multiple bottom rotating shafts are arranged side by side, and the heat-conducting medium pipes within the multiple bottom rotating shafts are connected in parallel through the connecting pipe and arranged in the same direction; the connecting pipe is connected to the main pipe and is used to transport the heated heat-conducting medium to the heat-using end.

8. A solar collector characterized by: It includes a solar collector unit and a solar collector and light-emitting device as described in any one of claims 1-7.

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