Focusing type medium-temperature solar thermal collector
By employing a base frame, support frame, and angle adjustment structure in the solar water heater, the high cost and inconvenient replacement issues of vacuum tube solar water heaters are solved, achieving efficient focused collection of sunlight and efficient utilization of solar energy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-03-24
AI Technical Summary
The focusing mirror structure of existing vacuum tube solar water heaters is costly and inconvenient to replace, and the required angle of sunlight incidence is high, resulting in low efficiency in focusing and collecting sunlight.
The base and support frame are symmetrically arranged, combined with slides, pulley blocks and angle adjustment structures. The angle of the reflector is adjusted by a motor-driven transmission shaft and gear rack. The design of multiple flat reflectors and vacuum tubes improves the efficiency of sunlight reflection.
It achieves efficient focusing and collection of sunlight, reduces costs, simplifies the structural replacement process, and improves the efficiency of solar energy utilization.
Smart Images

Figure CN224034042U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of home appliances, specifically relates to a focusing type medium-temperature solar heat collector. BACKGROUND
[0002] The solar water heater is a heating device converting solar energy into heat energy, and it heats water from low temperature to high temperature to meet the hot water use in life and production. The solar water heater is divided into vacuum tube type solar water heater and flat plate type solar water heater according to structural form, and the vacuum tube type solar water heater is mainly used and occupies 95% of the market share in China. The vacuum tube type household solar water heater is composed of a heat collecting tube, a water storage tank and a support and other related parts, and the conversion of solar energy into heat energy mainly relies on the vacuum heat collecting tube.
[0003] The heat collector is not conducive to the focusing collection of sunlight because the area of the inner tube for receiving sunlight is limited and the focusing mirror and the sunlight incidence angle are high. The focusing mirror generally needs to be a special arc-shaped structure, but the arc-shaped structure has high cost and is inconvenient to replace, so further improvement is needed. CONTENT OF THE UTILITY MODEL
[0004] The utility model mainly solves the technical problems in the prior art and provides a focusing type medium-temperature solar heat collector.
[0005] The above technical problems of the utility model are mainly solved by the following technical scheme: a focusing type medium-temperature solar heat collector, comprising two symmetrically arranged chassis, characterized by: the top of each of the two chassis is provided with a support frame, the side of each of the two support frames facing each other is provided with a sliding groove, the side of each of the two support frames facing each other is provided with a side frame, one side of the side frame is formed with an L-shaped limiting frame, a plurality of upper and lower spliced plane reflecting plates are arranged between the two side frames, the two sides of the plane reflecting plate are respectively inserted and arranged corresponding to the L-shaped limiting frame, and the top and bottom of the left and right sides of the plane reflecting plate are provided with clamping heads, a cross frame is arranged between the two chassis, roller frames are arranged on the two sides of the front end of the cross frame, an angle adjusting structure is arranged on the output end of the roller frame, a plurality of vacuum tubes are arranged above the plane reflecting plate, tube frames are arranged at the two ends of the vacuum tube, the two ends of the vacuum tube are respectively inserted into the two tube frames, connecting plates are arranged at the front and rear ends of the tube frame, and the rear end of the connecting plate is connected with the corresponding side frame.
[0006] Preferably, a feeding port is arranged on one side of the chassis, and a water tank frame is inserted and arranged at the feeding port and fixedly connected with the chassis.
[0007] Preferably, auxiliary pads are sleeved with the two ends of the bottom of the chassis and the bottom of the support frame.
[0008] As preferred, the side frame is provided with pulley blocks at both ends of the side frame, and the side frame is slidably arranged with the sliding groove through the pulley blocks.
[0009] As preferred, the vacuum tube is provided with a head at one end, and a copper U-shaped pipeline and a heat exchange tube are respectively inserted into the vacuum tube and arranged through the head.
[0010] As preferred, the angle adjusting structure comprises a motor, a transmission shaft, a gear and a rack, the transmission shaft is sleeved between the two roller frames, the rack is respectively arranged on the back of the two side frames, the gear is sleeved at both ends of the transmission shaft and is engaged with the rack, the motor is arranged on one side of the transmission shaft and is connected with the side frame.
[0011] The utility model discloses have the beneficial effect that: through being provided with the side frame, a plurality of plane reflection plates are laid on the side frame, and the side frame is an arc structure, and the plane reflection plate connected on the surface can be designed according to arc and is adhered, the effect of reflected sunlight is played, and the pipe frame and the vacuum tube of upper and lower double -layer setting are set in the upper portion, thereby better light energy can be absorbed and utilized, simultaneously, the plane reflection plate is clamped with the L -type limit frame on the side frame through the clamping head of both sides, and good fixing effect is played, then through setting the angle adjusting structure on the back of the side frame, the transmission shaft is started to rotate through the motor, simultaneously, the gear on both sides of the transmission shaft is engaged with the rack installed on the back of the side frame, and the side frame is slid in the sliding groove of the support frame through the pulley block on both sides of the side frame, so that the side frame can realize the adjustment of angle, and the side frame can better follow the light source and reflect. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic view of the front of the utility model;
[0013] Figure 2 It is a three-dimensional structure schematic view of the back of the utility model;
[0014] Figure 3 It is a split structure schematic view of the plane reflection plate and the side frame of the utility model;
[0015] Figure 4 It is Figure 1 It is an enlarged structure schematic view of A in the figure;
[0016] Figure 5 It is Figure 2 It is an enlarged structure schematic view of B in the figure.
[0017] In the diagram: 1. Support frame; 11. Slide groove; 12. Base frame; 13. Water tank frame; 14. Feed inlet; 15. Horizontal frame; 16. Roller frame; 17. Auxiliary pad; 2. Side frame; 21. L-shaped limit frame; 22. Pulley block; 3. Flat reflector; 31. Clamp; 41. Pipe rack; 42. Connecting plate; 43. Vacuum tube; 431. End cap; 432. Copper U-shaped pipe; 433. Heat exchange tube; 5. Angle adjustment structure; 51. Motor; 52. Drive shaft; 53. Gear; 54. Rack. Detailed Implementation
[0018] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0019] Example: A focusing medium-temperature solar collector, such as Figures 1-5 As shown, the device includes two symmetrically arranged base frames 12. Each base frame 12 has a support frame 1 at its top. Auxiliary pads 17 are fitted onto both ends of the bottom of the base frame 12 and the bottom of the support frame 1. The device can be placed with the base frame 12 flat, so that the vacuum tube 43 at the top faces upwards, or with one end of the base frame 12 and one end of the support frame 1 on the ground. Each support frame 1 has a sliding groove 11 on one side facing each other. Each support frame 1 also has a side frame 2 on one side facing each other. Each end of the side frame 2 facing the support frame 1 has a pulley system 22. The side frame 2 slides against the sliding groove 11 via the pulley system 22. The side frame 2 has a semi-circular arc design. One side of the side frame 2 has an L-shaped limiting frame 21. Multiple vertically joined planar reflectors 3 are arranged between the two side frames 2. The two sides of each planar reflector 3 correspond to the L-shaped limiting frames 2. 1. An insertion and connection are made, and the top and bottom of both sides of the planar reflector 3 are provided with clamps 31. A cross frame 15 is provided between the two base frames 12. Roller frames 16 are provided on both sides of the front end of the cross frame 15. An angle adjustment structure 5 is provided on the output end of the roller frame 16. Multiple vacuum tubes 43 are provided above the planar reflector 3. The inner wall of the vacuum tube 43 is sprayed with a solar spectrum selective absorption coating. One end of the vacuum tube 43 is provided with a cap 431. A copper U-shaped pipe 432 and a heat exchange pipe 433 are respectively inserted into the vacuum tube 43. One end of the copper U-shaped pipe 432 and the heat exchange pipe 433 passes through the cap 431. Tube supports 41 are provided at both ends of the vacuum tube 43. The two ends of the vacuum tube 43 are respectively inserted into the tube supports 41 on both sides. Connecting plates 42 are provided at both ends of the tube supports 41. The rear end of the connecting plates 42 is connected to the corresponding side frame 2.
[0020] The bottom frame 12 is provided with a feeding port 14 on one side, and a water tank frame 13 is inserted and arranged at the feeding port 14, the water tank frame 13 is fixedly connected with the bottom frame 12, and a water tank is arranged in the water tank frame 13 and fixed in the water tank frame 13 by a limiting hoop and a bolt.
[0021] The angle adjusting structure comprises a motor 51, a transmission shaft 52, a gear 53 and a rack 54, the transmission shaft 52 is sleeved between the two roller frames 16, the rack 54 is respectively arranged on the back of the two side frames 2, the gear 53 is sleeved on the two ends of the transmission shaft 52 and is in mesh with the rack 54, and the motor 51 is arranged on one side of the transmission shaft 52 and is connected with the side frame 2.
[0022] Then, the angle adjusting structure 5 is arranged on the back of the side frame 2, the transmission shaft 52 is driven to rotate by the motor 51, the gears 53 on the two sides of the transmission shaft 52 are in mesh with the racks 54 arranged on the back of the side frame 2, the side frames 2 on the two sides are driven to slide in the sliding groove 11 of the support frame 1 through the pulley blocks 22, so that the side frame 2 can be adjusted in angle and better follow the light source to reflect.
[0023] Finally, it should be pointed out that the above embodiments are only more representative examples of the present application. Obviously, the present application is not limited to the above embodiments, and there can be many variations. Any simple modification, equivalent change and modification according to the technical essence of the present application to the above embodiments shall be considered as falling within the protection scope of the present application.
Claims
1. A focused medium temperature solar collector comprising two symmetrically arranged chassis (12), characterised in that: The top of each of the two chassis (12) is provided with a support frame (1), the side of each of the two support frames (1) facing each other is provided with a sliding groove (11), the side of each of the two support frames (1) facing each other is provided with a side frame (2), one side of the side frame (2) is formed with an L-shaped limiting frame (21), a plurality of upper and lower spliced plane reflecting plates (3) are arranged between the two side frames (2), the two sides of the plane reflecting plate (3) are respectively inserted and arranged correspondingly to the L-shaped limiting frame (21), and the top and bottom of the left and right sides of the plane reflecting plate (3) are provided with clamping heads (31), a cross frame (15) is arranged between the two chassis (12), the two sides of the front end of the cross frame (15) are provided with roller frames (16), an angle adjusting structure is arranged on the output end of the roller frame (16), a plurality of vacuum tubes (43) are arranged above the plane reflecting plate (3), pipe frames (41) are arranged at the two ends of the vacuum tube (43), the two ends of the vacuum tube (43) are respectively inserted into the pipe frames (41) on the two sides, and the front and rear ends of the pipe frame (41) are provided with connecting plates (42), and the rear end of the connecting plate (42) is connected with the corresponding side frame (2).
2. A focused medium temperature solar collector according to claim 1, characterized in that: The side of the chassis (12) is provided with a feeding port (14), and the feeding port (14) is provided with a water tank frame (13) in a plug-in manner.
3. The focused medium temperature solar collector according to claim 1, characterized in that: The two ends of the bottom of the chassis (12) and the bottom of the support frame (1) are sleeved with auxiliary pads (17).
4. The focused medium temperature solar collector according to claim 1, characterized in that: The two ends of the side frame (2) on the side facing the support frame (1) are provided with pulley blocks (22), the side frame (2) is slidably arranged with the sliding groove (11) through the pulley block (22), and the side frame (2) is correspondingly formed in a semicircular arc type.
5. The focused medium temperature solar collector according to claim 1, characterized in that: One end of the vacuum tube (43) is provided with an end cover (431), a copper U-shaped pipeline (432) and a heat exchange pipe (433) are respectively inserted and arranged in the vacuum tube (43), and one end of the copper U-shaped pipeline (432) and the heat exchange pipe (433) penetrates the end cover (431).
6. The focused medium temperature solar collector according to claim 1, characterized in that: The angle adjusting structure comprises a motor (51), a transmission shaft (52), a gear (53) and a rack (54), the transmission shaft (52) is sleeved between the two roller frames (16), the rack (54) is correspondingly arranged on the back of the two side frames (2), the gear (53) is sleeved on the two ends of the transmission shaft (52) and is engaged with the rack (54), and the motor (51) is arranged on one side of the transmission shaft (52) and is connected with the side frame (2).