A solar heat collecting device

Abstract

The present invention provides a solar thermal collector device, which relates to the technical field of solar thermal collectors and includes a mounting frame, wherein the mounting frame is provided with two groups, and a plurality of groups of heat collecting tubes are arranged side by side between the two groups of mounting frames, wherein the heat collecting tube includes an outer tube, an inner tube is installed inside the outer tube, and water inlet and water outlet are arranged at both ends of the inner tube, and plug interfaces are arranged on the surface of the mounting frame corresponding to the two ends of the heat collecting tube, and the water inlet and water outlet of the inner tube can be connected inside the plug interfaces. Compared with the prior art, the heat collecting tube is installed on the mounting frame through a mounting assembly, and two focusing plates at the bottom refract sunlight and illuminate the backlight surface of the heat collecting tube. By driving the heat collecting tube to rotate through the driving assembly, the problem of dead angle of the heat collecting tube can be eliminated, and the heat collecting efficiency of the heat collecting tube can be made higher. The surface of the heat collecting tube can also be cleaned by the focusing plate, thereby preventing the attachments on the surface of the heat collecting tube from affecting direct sunlight.

Description

Technical Field

[0001] The invention relates to the technical field of solar thermal collectors, in particular to a solar thermal collector device. Background Art

[0002] Solar energy is a renewable energy source, which refers to the thermal radiation energy of the sun, and its main manifestation is the commonly known sunlight. A solar thermal collector is a device that absorbs solar radiation and transfers the generated heat energy to a heat transfer medium. The heat absorbing plate is a component in a flat-plate solar thermal collector that absorbs solar radiation energy and transfers heat to a heat transfer medium. It is basically in the shape of a flat plate. On the flat-plate-shaped heat absorbing plate, there are usually row pipes and headers. The row pipe refers to the component that is arranged longitudinally on the heat absorbing plate and forms a fluid channel; the header refers to the component that connects several row pipes horizontally at the upper and lower ends of the heat absorbing plate to form a fluid channel.

[0003] In order to solve the problem of poor heat collection effect caused by uneven heating on the side of the heat collecting tube facing away from the sunlight, the existing tube-row collector usually sets a focusing plate at the bottom of the heat collecting tube to refract sunlight to the side of the heat collecting tube facing away from the sunlight through physical reflection technology. However, this technical method is inconvenient to use for multiple groups of heat collecting tubes arranged side by side, and the focusing plate still has blind spots that affect the heat collection effect. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a solar energy collector to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. The heat collecting tube is installed on the mounting frame through an installation component. The two focusing plates at the bottom refract the sunlight and illuminate it on the backlight surface of the heat collecting tube. The heat collecting tube is driven to rotate by the driving component, which can eliminate the problem of blind spots in the heat collecting tube and make the heat collecting efficiency of the heat collecting tube higher. The surface of the heat collecting tube can also be cleaned by the focusing plate, thereby preventing the attachments on the surface of the heat collecting tube from affecting direct sunlight.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a solar thermal collector device includes a mounting frame, the mounting frame is provided with two groups, and multiple groups of heat collecting tubes are arranged side by side between the two groups of mounting frames, the heat collecting tube includes an outer tube, an inner tube is installed inside the outer tube, and water inlet and water outlet are arranged at both ends of the inner tube, plug-in ports are arranged on the surface of the mounting frame corresponding to the two ends of the heat collecting tube, and the water inlet and water outlet of the inner tube can be connected inside the plug-in ports, two groups of focusing plates are arranged on both sides of the bottom of the heat collecting tube, and a through annular groove is opened on the surface of the mounting frame at the position corresponding to the two focusing plates, and an arc is slidably inserted inside the slide groove. Plate, connecting rods are fixed at both ends of the focusing plate, and the other end of the connecting rod is rotatably connected to the arc plate through a bearing, a mounting assembly is arranged on the inner side of the mounting frame, and the mounting assembly includes a bearing seat, a bearing seat is rotatably mounted on the periphery of the plug interface, and a sleeve is arranged inside the bearing seat, and the two ends of the heat collecting tube can be mounted inside the sleeve, a driving assembly is arranged on the outer side of the mounting frame at one end of the heat collecting tube, and the driving assembly includes a gear ring, a gear ring is fixed on the outer surface of the bearing seat, the mounting frame is located at the top of the gear ring and rotatably mounted with a third gear, the third gear is meshed with the gear ring, and a driving motor connected to the third gear is installed inside the mounting frame.

[0006] Furthermore, the heat collecting tube also includes a connecting end, the two ends of the inner tube are rotatably mounted with the connecting ends through bearings, and the water outlet and water inlet ends of the inner tube are both mounted on the connecting ends, and the two ends of the outer tube are fixed with sleeves, and the sleeves are wrapped around the outer periphery of the connecting ends.

[0007] Furthermore, the installation component also includes a slide groove, an annular slide groove is opened on the periphery of the sleeve, and a slider is slidably connected in the slide groove, a vertical rod is fixed on the top of the slider, and a top plate is fixed on the top of the vertical rod, a mobile frame is slidably installed on the top of the installation frame, and the mobile frame is located between the two groups of top plates and is slidably plugged with a column, and the column can be inserted into the inside of the top plate.

[0008] Furthermore, a screw hole is provided on the top of the cover, and a locking bolt is threadedly inserted on the surface of the sleeve corresponding to the screw hole, and the locking bolt can be inserted into the screw hole of the cover.

[0009] Furthermore, a movable groove is provided on the top of the mounting frame, and the bottom of the movable frame slides along the movable groove, an adjusting screw is threadedly inserted in the middle position of the top of the movable frame, and the other end of the adjusting screw is rotatably connected to the movable frame through a bearing, a slot is provided on the surface of the bearing seat, and the sleeve is slidably inserted in the slot of the bearing seat.

[0010] Furthermore, the driving assembly also includes a first gear, and the first gear is rotatably installed on the inner ring of the annular groove corresponding to each group of heat collecting tubes on the outside of the mounting frame through a bearing, and a second gear is provided on the outside of the first gear, and a plug-in shaft is fixed at the axis center of the first gear and the second gear, and the plug-in shafts of the first gear and the second gear are rotatably connected through a shaft ring, and a connecting cross groove is opened inside the two plug-in shafts.

[0011] Furthermore, electric push rods are fixed on both sides of the mounting frame, and a drive box is fixed to the extended end of the electric push rod. Drive motors are arranged and installed inside the drive box. A cross drive shaft is fixed to the output end of each drive motor in the drive box, and the cross drive shaft can be inserted into the cross slot in the plug-in shaft.

[0012] Furthermore, the outer end of the arc plate is fixedly connected to the surface of the second gear, and the connecting rods of the two focusing plates rotate to transmit the arc plate to be fixed with a fourth gear, and the fourth gear is meshed and connected with the first gear.

[0013] Furthermore, a brush roller is fixed to one end of the focusing plate away from the connecting rod, and the brush roller can be in sliding contact with the surface of the outer tube after the focusing plate rotates.

[0014] Furthermore, the outer tube is made of ceramic material, the inner tube is made of plant fiber material, and both the inner tube and the outer tube are coated with improved epoxy resin.

[0015] Beneficial effects of the present invention:

[0016] 1. The present invention can improve the heat conduction and heat exchange efficiency and the heat energy absorption rate through the ceramic material of the outer tube and the plant fiber material of the inner tube, and has a good protective effect on the inner tube and the outer tube with a special waterproof and moisture-proof coating.

[0017] 2. The present invention drives the cross drive shaft of the driving box through the electric push rod to be inserted into the plug-in shaft of the first gear. At this time, the cross drive shaft is separately engaged with the first gear. The driving motor in the driving box controls the cross drive shaft to rotate slightly, and the first gear rotates and meshes with the fourth gears on both sides. The focusing plate is driven to rotate counterclockwise through the connecting rod. The focusing plates on both sides simultaneously contact one end of the brush roller with the outer tube. At this time, the third gear is meshed with the gear ring, and the heat collecting tube rotates. The brush roller wipes and cleans the surface of the heat collecting tube to remove the covered dust and dirt to avoid affecting the reception of sunlight.

[0018] 3. In the present invention, when the cross drive shaft is inserted between the plug-in shafts of the first gear and the second gear, when the driving motor in the driving box drives the cross drive shaft to rotate, the first gear and the second gear rotate synchronously. At this time, the arc plate rotates with the second gear, so the fourth gear will also rotate together. In this process, because the first gear also rotates synchronously, the fourth gear and the first gear can be regarded as an integrated type, and no meshing transmission will be generated. Then, the positions of the two focusing plates are adjusted by the arc plate, so as to better refract sunlight when responding to different directions of sunlight.

[0019] 4. The present invention pulls out the plug column connecting the movable frame and the top plate separately, thereby collecting the sleeve at that position into the bearing seat, so that a heat collecting tube can be removed separately for maintenance. By rotating the adjusting screw, the movable frame is driven to slide along the movable groove. The movable frame and the top plate are limited by the plug column, which can drive multiple groups of sleeves to be retracted into the bearing seat at the same time, so as to facilitate the installation or removal of a whole row of heat collecting tubes.

[0020] 5. The present invention receives the sleeve into the slot of the bearing seat, exposes the plug interface, connects the two connecting ends of the inner tube to the plug interface, and realizes the connectivity of the waterway. Then the sleeve is sleeved on the outer periphery of the sleeve cover, and the two are locked by a locking bolt. When the sleeve drives the heat collecting tube to rotate, the slider slides along the slide groove to keep the position of the vertical rod and the top plate unchanged. At the same time, the connecting end rotates with the inner tube to maintain the waterway connection with the plug interface.

[0021] 6. Compared with the prior art, the present invention installs the heat collecting tube on the mounting frame through the mounting assembly, and the two focusing plates at the bottom refract the sunlight and illuminate it on the backlight surface of the heat collecting tube. The heat collecting tube is driven to rotate by the driving assembly, which can eliminate the problem of dead angle of the heat collecting tube and make the heat collecting efficiency of the heat collecting tube higher. The surface of the heat collecting tube can also be cleaned by the focusing plate, so as to avoid the attachment on the surface of the heat collecting tube affecting the direct sunlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a solar thermal collector device of the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of a driving component of a solar thermal collector of the present invention;

[0024] Figure 3 This is a schematic diagram of the connection between a first gear and a second gear of a solar thermal collector of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of an installation component of a solar thermal collector of the present invention;

[0026] Figure 5 A schematic diagram of the connection between a heat collecting tube and a sleeve of a solar heat collecting device of the present invention;

[0027] Figure 6 A schematic diagram of the connection between a sleeve and a bearing seat of a solar heat collector of the present invention;

[0028] Figure 7 A schematic diagram of the installation of a concentrating plate of a solar thermal collector of the present invention;

[0029] Figure 8 The present invention is a schematic diagram of a heat collecting tube structure of a solar heat collecting device.

[0030] In the figure: 1. mounting frame; 11. annular groove; 12. plug interface; 2. heat collecting tube; 21. outer tube; 22. inner tube; 23. connecting end; 24. cover; 3. mounting assembly; 31. adjusting screw; 32. movable groove; 33. movable frame; 34. plug column; 35. top plate; 36. sleeve; 37. slide groove; 38. slide block; 39. vertical rod; 310. bearing seat; 311. locking bolt; 4. driving assembly; 41. driving box; 42. electric push rod; 43. cross driving shaft; 44. plug-in shaft; 45. first gear; 46. second gear; 47. third gear; 48. gear ring; 49. arc plate; 410. fourth gear; 5. focusing plate; 51. brush roller; 52. connecting rod. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] See also Figures 1 to 8The present invention provides a technical solution: a solar thermal collector comprises a mounting frame 1, wherein the mounting frame 1 is provided with two groups, and a plurality of heat collecting tubes 2 are arranged side by side between the two groups of mounting frames 1, wherein the heat collecting tube 2 comprises an outer tube 21, an inner tube 22 is installed inside the outer tube 21, and water inlet and water outlet are arranged at both ends of the inner tube 22, plug-in ports 12 are arranged on the surface of the mounting frame 1 corresponding to the two ends of the heat collecting tube 2, and the water inlet and water outlet of the inner tube 22 can be connected inside the plug-in ports 12, two groups of focusing plates 5 are arranged on both sides of the bottom of the heat collecting tube 2, a through annular groove 11 is opened on the surface of the mounting frame 1 corresponding to the positions of the two focusing plates 5, and an arc plate 49 is slidably inserted inside the slide groove 37, connecting rods 52 are fixed at both ends of the focusing plate 5, and the other end of the connecting rod 52 is rotatably connected to the arc plate 49 through a bearing, and a mounting assembly 3 is arranged on the inner side of the mounting frame 1, and the mounting assembly 3 comprises a bearing seat 310, and a bearing seat 31 is rotatably installed on the periphery of the plug-in port 12 0, and a sleeve 36 is provided inside the bearing seat 310, and both ends of the heat collecting pipe 2 can be installed inside the sleeve 36. A driving component 4 is provided on the outside of the mounting frame 1 at one end of the heat collecting pipe 2, and the driving component 4 includes a gear ring 48. A gear ring 48 is fixed on the outer surface of the bearing seat 310. The mounting frame 1 is located on the top of the gear ring 48 and is rotatably installed with a third gear 47. The third gear 47 is meshed and connected with the gear ring 48, and a driving motor connected to the third gear 47 is installed inside the mounting frame 1. When using the device, the heat collecting pipe 2 is installed side by side between the two mounting frames 1 through the mounting component 3, and the water inlet and outlet ends of the heat collecting pipe 2 are connected to the plug interfaces 12 of the two mounting frames 1 and then exported. The sunlight is refracted to the two sides of the bottom of the heat collecting pipe 2 through the two concentrators 5 at the bottom of the heat collecting pipe 2. The heat collecting pipe 2 is driven to rotate with the driving component 4 to improve the efficiency of heat collection. The two concentrators 5 are turned over to contact with the outer tube 21 of the heat collecting pipe 2 to clean the surface of the outer tube 21 of the heat collecting pipe 2.

[0033] In this embodiment, the heat collecting tube 2 also includes a connecting end 23, and the two ends of the inner tube 22 are rotatably mounted with the connecting ends 23 through bearings, and the water outlet and water inlet ends of the inner tube 22 are both mounted on the connecting ends 23, and the two ends of the outer tube 21 are fixed with sleeve covers 24, and the sleeve covers 24 are wrapped around the outer periphery of the connecting end 23, and the mounting assembly 3 also includes a slide groove 37, and the outer periphery of the sleeve 36 is provided with an annular slide groove 37, and a slider 38 is slidably connected in the slide groove 37, and a vertical rod 39 is fixed on the top of the slider 38, and a top plate 35 is fixed on the top of the vertical rod 39, and a movable frame 33 is slidably mounted on the top of the mounting frame 1, and the movable frame 33 is located between the two groups of top plates 35 and is slidably plugged with a plug column 34, and the plug column 34 can be inserted into the top plate 35, a screw hole is provided on the top of the sleeve 24, and a locking bolt 311 is threadedly inserted on the surface of the sleeve 36 corresponding to the screw hole, and the locking bolt 311 can be inserted into the screw hole of the sleeve 24. First, the sleeve 36 is received into the slot of the bearing seat 310, and the plug interface 12 is exposed, and the two connecting ends 23 of the inner tube 22 are connected to the plug interface 12 to realize the communication of the water path. Then the sleeve 36 is sleeved on the outer periphery of the sleeve 24, and the two are locked by the locking bolt 311. In the process of the sleeve 36 driving the heat collecting tube 2 to rotate, the slider 38 slides along the slide groove 37 to keep the position of the vertical rod 39 and the top plate 35 unchanged. At the same time, the connection end 23 and the inner tube 22 rotate to maintain the water path connection with the plug interface 12.

[0034] In this embodiment, a movable groove 32 is provided on the top of the mounting frame 1, and the bottom of the movable frame 33 slides along the movable groove 32, an adjusting screw 31 is threadedly inserted in the middle position of the top of the movable frame 33, and the other end of the adjusting screw 31 is rotatably connected to the movable frame 33 through a bearing, a slot is provided on the surface of the bearing seat 310, and the sleeve 36 is slidably inserted into the slot of the bearing seat 310, and the column 34 connecting the movable frame 33 and the top plate 35 can be pulled out individually, so that the sleeve 36 at this position is received into the bearing seat 310, so that one heat collecting tube 2 can be disassembled individually for maintenance, and by rotating the adjusting screw 31, the movable frame 33 is driven to slide along the movable groove 32, and the movable frame 33 and the top plate 35 are limited by the column 34, which can simultaneously drive multiple groups of sleeves 36 to be retracted into the bearing seat 310, so as to facilitate the installation or disassembly of a whole row of heat collecting tubes 2.

[0035] In this embodiment, the driving assembly 4 also includes a first gear 45, and the first gear 45 is rotatably mounted on the inner ring of the annular groove 11 corresponding to each group of heat collecting tubes 2 on the outer side of the mounting frame 1 through a bearing, and a second gear 46 is provided on the outer side of the first gear 45, and a plug-in shaft 44 is fixed at the axis of the first gear 45 and the second gear 46, and the plug-in shaft 44 of the first gear 45 and the second gear 46 is rotatably connected through a shaft ring, and a connected cross groove is opened inside the two plug-in shafts 44, and electric push rods 42 are fixed on both sides of the mounting frame 1, and a driving box 41 is fixed to the extended end of the electric push rod 42, and the inside of the driving box 41 The driving motors are arranged and installed, and a cross driving shaft 43 is fixed to the output end of each driving motor in the driving box 41, and the cross driving shaft 43 can be inserted into the cross groove in the plug-in shaft 44. The outer end of the arc plate 49 is fixedly connected to the surface of the second gear 46. The connecting rod 52 of the two focusing plates 5 rotates to transmit the arc plate 49 to fix the fourth gear 410, and the fourth gear 410 is meshed with the first gear 45. The end of the focusing plate 5 away from the connecting rod 52 is fixed with a brush roller 51, and the brush roller 51 can slide and contact with the surface of the outer tube 21 after the focusing plate 5 rotates. The driving component 4 has two modes. First, the electric push rod 4 The cross drive shaft 43 of the driving box 41 is inserted into the plug-in shaft 44 of the first gear 45. At this time, the cross drive shaft 43 is separately engaged with the first gear 45. The driving motor in the driving box 41 controls the cross drive shaft 43 to rotate slightly, and the first gear 45 rotates and meshes with the fourth gears 410 on both sides. The light collecting plate 5 is driven to rotate counterclockwise through the connecting rod 52. The light collecting plates 5 on both sides simultaneously contact one end of the brush roller 51 with the outer tube 21. At this time, the third gear 47 is meshed with the gear ring 48, and the heat collecting tube 2 rotates. The brush roller 51 wipes and cleans the surface of the heat collecting tube 2 to remove the covered dust and dirt to avoid affecting the reception of the positive When the cross drive shaft 43 is inserted between the plug-in shaft 44 of the first gear 45 and the second gear 46, the driving motor in the driving box 41 drives the cross drive shaft 43 to rotate, and the first gear 45 and the second gear 46 rotate synchronously. At this time, the arc plate 49 rotates with the second gear 46, so the fourth gear 410 also rotates together. In this process, because the first gear 45 also rotates synchronously, the fourth gear 410 and the first gear 45 can be regarded as an integrated type, and no meshing transmission will be generated. Then, the position of the two focusing plates 5 is adjusted by the arc plate 49, so as to better refract the sunlight when responding to different sunlight irradiation directions.

[0036] In this embodiment, the outer tube 21 is made of ceramic material, and the inner tube 22 is made of plant fiber material. The inner tube 22 and the outer tube 21 are both wrapped with improved epoxy resin. The ceramic material of the outer tube 21 and the plant fiber material of the inner tube 22 can better improve the efficiency of heat conduction and heat exchange, and improve the heat energy absorption rate. The special waterproof and moisture-proof coating has a good protective effect on the inner tube 22 and the outer tube 21.

[0037] When using the device, the heat collecting pipe 2 is installed side by side between the two mounting frames 1 through the installation component 3, the sleeve 36 is received into the slot of the bearing seat 310, the plug interface 12 is exposed, and the two connecting ends 23 of the inner pipe 22 are connected to the plug interface 12 to realize the communication of the water path, and then the sleeve 36 is sleeved on the outer periphery of the sleeve cover 24, and the two are locked by the locking bolt 311, and the sunlight is refracted to the bottom two sides of the heat collecting pipe 2 through the two focusing plates 5 at the bottom of the heat collecting pipe 2, and the heat collecting pipe 2 is driven to rotate with the driving component 4 to improve the efficiency of heat collection. When the cross drive shaft 43 is inserted between the plug-in shaft 44 of the first gear 45 and the second gear 46, the driving motor in the driving box 41 drives the cross drive shaft 43 to rotate, and the first gear 45 and the second gear 46 rotate synchronously. At this time, the arc plate 49 rotates with the second gear 46, so the fourth gear 410 will also rotate together. In this process, because the first gear 4 5 also rotates synchronously, the fourth gear 410 and the first gear 45 can be regarded as an integrated type, and no meshing transmission is generated, and then the positions of the two focusing plates 5 are adjusted by the arc plate 49, so as to better refract the sunlight when responding to different directions of sunlight. The electric push rod 42 drives the cross drive shaft 43 of the driving box 41 to be inserted into the plug-in shaft 44 of the first gear 45. At this time, the cross drive shaft 43 is separately engaged with the first gear 45, and the cross drive shaft 43 is controlled by the driving motor in the driving box 41 to rotate slightly, and the first gear 45 rotates and meshes with the fourth gears 410 on both sides, and the focusing plates 5 are driven to rotate counterclockwise through the connecting rod 52. The focusing plates 5 on both sides simultaneously contact one end of the brush roller 51 with the outer tube 21. At this time, the third gear 47 is meshed with the gear ring 48, and the heat collecting tube 2 rotates, and the brush roller 51 wipes and cleans the surface of the heat collecting tube 2 to remove the covered dust and dirt to avoid affecting the reception of sunlight.

[0038] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A solar thermal collector, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with two groups, and a plurality of groups of heat collecting tubes (2) are arranged side by side between the two groups of mounting frames (1), the heat collecting tubes (2) comprising an outer tube (21), an inner tube (22) being installed inside the outer tube (21), and water inlet ends and water outlet ends being arranged at both ends of the inner tube (22), plug interfaces (12) being arranged on the surface of the mounting frame (1) at the two ends corresponding to the heat collecting tubes (2), and the water inlet end and the water outlet end of the inner tube (22) can be connected inside the plug interfaces (12), two groups of light collecting plates (5) are arranged on both sides of the bottom of the heat collecting tube (2), and a through hole is opened on the surface of the mounting frame (1) at the positions corresponding to the two light collecting plates (5). The annular groove (11) is passed through, and an arc plate (49) is slidably inserted inside the annular groove (11), connecting rods (52) are fixed at both ends of the focusing plate (5), and the other end of the connecting rod (52) is rotatably connected to the arc plate (49) through a bearing, a mounting assembly (3) is arranged on the inner side of the mounting frame (1), and the mounting assembly (3) includes a bearing seat (310), the outer periphery of the insertion port (12) is rotatably mounted with the bearing seat (310), and a sleeve (36) is arranged inside the bearing seat (310), and the two ends of the heat collecting tube (2) can be mounted inside the sleeve (36), and a driving mechanism is arranged on the outer side of the mounting frame (1) at one end of the heat collecting tube (2). The drive assembly (4) comprises a gear ring (48), the gear ring (48) is fixed on the outer surface of the bearing seat (310), the mounting frame (1) is located on the top of the gear ring (48) and is rotatably mounted with a third gear (47), the third gear (47) is meshingly connected with the gear ring (48), and a drive motor connected to the third gear (47) is installed inside the mounting frame (1), the heat collecting tube (2) further comprises a connecting end (23), the connecting ends (23) are rotatably mounted on both ends of the inner tube (22) through bearings, and the water outlet and water inlet of the inner tube (22) are both mounted on the connecting end (23), and the outer tube (22) is provided with a plurality of connecting ends (23). The two ends of the (21) are fixed with sleeve covers (24), and the sleeve covers (24) are wrapped around the periphery of the connecting end (23). The installation component (3) also includes a slide groove (37). The periphery of the sleeve (36) is provided with an annular slide groove (37), and a slider (38) is slidably connected in the slide groove (37). A vertical rod (39) is fixed on the top of the slider (38), and a top plate (35) is fixed on the top of the vertical rod (39). A movable frame (33) is slidably installed on the top of the installation frame (1), and the movable frame (33) is located between the two groups of top plates (35) and is slidably plugged with a plug post (34), and the plug post (34) can be inserted into the inside of the top plate (35).

2. A solar thermal collector according to claim 1, characterized in that: A screw hole is provided at the top of the sleeve cover (24), and a locking bolt (311) is threadedly inserted on the surface of the sleeve (36) corresponding to the screw hole. The locking bolt (311) can be inserted into the screw hole of the sleeve cover (24).

3. A solar thermal collector according to claim 2, characterized in that: The top of the mounting frame (1) is provided with a moving groove (32), and the bottom of the moving frame (33) slides along the moving groove (32). An adjusting screw (31) is threadedly inserted in the middle of the top of the moving frame (33), and the other end of the adjusting screw (31) is rotatably connected to the moving frame (33) via a bearing. A slot is provided on the surface of the bearing seat (310), and the sleeve (36) is slidably inserted into the slot of the bearing seat (310).

4. A solar thermal collector according to claim 1, characterized in that: The driving assembly (4) further comprises a first gear (45), the first gear (45) being rotatably mounted on the inner ring of the annular groove (11) corresponding to each group of heat collecting tubes (2) on the outer side of the mounting frame (1) via a bearing, and a second gear (46) being arranged on the outer side of the first gear (45), a plug-in shaft (44) being fixed at the axis center of both the first gear (45) and the second gear (46), the plug-in shafts (44) of the first gear (45) and the second gear (46) being rotatably connected via a shaft ring, and a communicating cross groove being arranged inside the two plug-in shafts (44).

5. A solar thermal collector according to claim 4, characterized in that: Electric push rods (42) are fixed on both sides of the mounting frame (1), and a drive box (41) is fixed to the extended end of the electric push rod (42), and drive motors are arranged and installed inside the drive box (41), and a cross drive shaft (43) is fixed to the output end of each drive motor in the drive box (41), and the cross drive shaft (43) can be inserted into a cross slot in the plug-in shaft (44).

6. A solar thermal collector according to claim 5, characterized in that: The outer end of the arc plate (49) is fixedly connected to the surface of the second gear (46); the connecting rods (52) of the two focusing plates (5) rotate to pass through the arc plate (49); a fourth gear (410) is fixed to the connecting rod (52), and the fourth gear (410) is meshedly connected to the first gear (45).

7. A solar thermal collector according to claim 6, characterized in that: A brush roller (51) is fixed to one end of the light collecting plate (5) away from the connecting rod (52), and the brush roller (51) can come into sliding contact with the surface of the outer tube (21) after the light collecting plate (5) rotates.

8. A solar thermal collector according to claim 1, characterized in that: The outer tube (21) is made of a ceramic material, the inner tube (22) is made of a plant fiber material, and both the inner tube (22) and the outer tube (21) are coated with improved epoxy resin.

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