Groove type photo-thermal power generation mirror field device

Abstract

The utility model discloses a groove type photo-thermal power generation mirror field device which comprises a mirror field, the mirror field is formed by evenly distributing a plurality of heliostats, solar energy is reflected and utilized through the heliostats, cleaning mechanisms are additionally arranged on the heliostats, and the cleaning mechanisms are used for scrubbing the surfaces of the heliostats. And the cleaning mechanism is used for moving and cleaning on the heliostat. In order to guarantee the cleanliness of the heliostat, the cleaning mechanism is additionally arranged on the heliostat, in a normal state, the spraying cavity can be moved out of the heliostat, interference to normal reflection of the heliostat is avoided, during cleaning, only the spraying cavity needs to be moved to the surface of the heliostat, and then the heliostat is washed and cleaned by means of the high-pressure spraying head and the cleaning brush on the spraying cavity, so that the cleaning efficiency is greatly improved. According to the heliostat cleaning device, the cleanliness of the heliostat is ensured, the cleaning position of the spraying cavity can be moved, covering cleaning of the heliostat is achieved, and the manual cleaning difficulty and workload are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to heliostats, and specifically to a trough-type photothermal power generation mirror field device. Background Art

[0002] A heliostat is a concentrating device consisting of a reflector, a mirror frame and base, a tracking drive system, and a control system. It is used to reflect sunlight onto the absorber surface at the top of a tower. It is the basic optical unit of a tower-type solar thermal power station. Multiple heliostats can be arranged to form a mirror field.

[0003] Tower heliostats are beginning to be applied in large-scale power plants. Each type of tower heliostat still has its own characteristics. The main shapes of heliostats are circular, hexagonal, rectangular, and pentagonal. Rectangular heliostats are more commonly used. Current heliostats have the following deficiencies in subsequent maintenance.

[0004] Currently, heliostat cleaning is mostly done by cleaning trucks and manually. However, in areas with densely distributed heliostats, cleaning trucks cannot operate, requiring manual cleaning. This results in low overall cleaning efficiency and greater cleaning difficulty, increasing the investment in manpower and material resources and raising maintenance costs. Utility Model Content

[0005] The purpose of the present invention is to provide a trough-type photothermal power generation mirror field device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a trough-type solar thermal power generation mirror field device, comprising a mirror field, wherein the mirror field is formed by a plurality of evenly distributed heliostats, and solar energy is reflected and utilized by the heliostats. A cleaning mechanism is added to the heliostats, and the cleaning mechanism is used to scrub the surface of the heliostats, and the cleaning action is performed by moving the heliostats on the heliostats.

[0007] As a further preferred embodiment of the present technical solution, the cleaning mechanism includes an annular member fixedly mounted on the back of the heliostat, a driving member is slidably mounted on the annular member, an extension arm is added to the driving member, a cleaning component is mounted at the tail of the extension arm, and the surface of the heliostat is cleaned by the cleaning component.

[0008] As a further preferred embodiment of the present technical solution, a gear ring is fixedly provided on the bottom of the outer wall of the annular member, and an annular groove is provided on the top of the outer wall of the annular member.

[0009] As a further preferred embodiment of the present technical solution, the driving member includes a slide slidably mounted on the annular member, the slide correspondingly slides and engages in the annular groove, the slide is fixedly connected to the extension arm, the side wall of the slide is mounted with motor No. 1 through a bracket, the output end of motor No. 1 is mounted with a gear, and the gear is meshed with the ring gear for transmission connection.

[0010] As a further preferred embodiment of the present technical solution, the cleaning component includes a vertical platform vertically mounted at the front end of the top of the extension arm, a reserved groove is provided on the vertical platform, a spray chamber is rotatably mounted in the reserved groove, a reduction motor is mounted on the top of one side of the vertical platform, the output end of the reduction motor is transmission-connected to the spray chamber, a plurality of high-pressure nozzles are evenly distributed on the lower surface of the spray chamber, a fixed seat is installed on one side of the spray chamber, a cleaning brush is detachably mounted on the lower surface of the fixed seat by bolts, the cleaning brush contacts the surface of the heliostat for cleaning, and the working state of the spray chamber is adjusted by the reduction motor.

[0011] As a further preferred embodiment of the present technical solution, a water tank is installed on one side of the bottom of the extension arm, a water inlet pipe is passed through the top of the water tank, a No. 1 pipe is installed on the bottom of one side of the water tank, a No. 2 pipe is installed on the tail of one side of the spray chamber, a water pump for pumping water is installed at the end of the No. 2 pipe, and a spring pipe is installed between the No. 1 pipe and the No. 2 pipe.

[0012] As a further preferred embodiment of the present technical solution, the tail of the extension arm extends out corresponding to the heliostat, and the extension arm is made of metal.

[0013] The utility model provides a trough-type photothermal power generation mirror field device, which has the following beneficial effects:

[0014] (1) The utility model is provided with a cleaning component, and the high-pressure nozzle on the spray chamber sprays water to flush the surface of the heliostat, and the cleaning brush thereon is used to brush the heliostat. The spray chamber is controlled by a reduction motor, and the reduction motor can be used to rotate the spray chamber out of the heliostat to avoid obstruction. When cleaning, the reduction motor is used to move the spray chamber to the heliostat for flushing, which is convenient to use.

[0015] (2) The utility model is provided with a driving member to start the No. 1 motor, and through the meshing of the gear and the ring gear, the slide is driven to rotate on the ring member, and the linkage extension arm and the spray chamber rotate in the circumferential direction around the ring member, so that the spray chamber can stably clean the heliostat in the circumferential direction, ensuring the comprehensive cleaning of the heliostat, improving the cleaning accuracy, eliminating the need for manual cleaning, and reducing the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation of the cleaning mechanism of the utility model on the heliostat;

[0018] Figure 3 This is a schematic diagram of the installation of the annular member of the utility model on the heliostat;

[0019] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the driving member of the utility model;

[0021] Figure 6 This is a schematic structural diagram of the cleaning component of the present utility model.

[0022] In the figure: 1. Heliostat; 2. Ring member; 3. Driving member; 301. Slide; 302. Motor No. 1; 303. Gear; 4. Extension arm; 5. Ring gear; 6. Annular groove; 7. Vertical platform; 8. Reserved groove; 9. Spray chamber; 10. Reducer motor; 11. High-pressure nozzle; 12. Fixed seat; 13. Cleaning brush; 14. Water tank; 15. Water inlet pipe; 16. Pipe No. 1; 17. Pipe No. 2; 18. Spring pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figure 1 、 Figure 2 and Figure 3 As shown, in this embodiment, a trough-type solar thermal power generation mirror field device includes a mirror field, which is formed by a plurality of evenly distributed heliostats 1. Solar energy is reflected and utilized by the heliostats 1. A cleaning mechanism is added to the heliostats 1. The cleaning mechanism is used to brush the surface of the heliostats 1. The cleaning action is performed on the heliostats 1 by the cleaning mechanism.

[0025] like Figure 4 and Figure 6 As shown, the cleaning mechanism includes a ring member 2 fixedly mounted on the back of the heliostat 1, a driving member 3 is slidably mounted on the ring member 2, and an extension arm 4 is added to the driving member 3, and a cleaning component is installed at the tail of the extension arm 4, which cleans the surface of the heliostat 1 through the cleaning component;

[0026] During cleaning, a cleaning component is provided. First, cleaning liquid is injected into the water tank 14. Then, the cleaning liquid is sent into the spray chamber 9 through the No. 1 pipe 16, the No. 2 pipe 17, and the spring tube 18. The cleaning liquid is sprayed out through the high-pressure nozzle 11 on the spray chamber 9 to flush the surface of the heliostat 1. The heliostat 1 is scrubbed with the help of the cleaning brush 13 thereon. The spray chamber 9 is controlled by the reduction motor 10. The reduction motor 10 can rotate the spray chamber 9 out of the heliostat 1 to avoid obstruction. During cleaning, the reduction motor 10 is used to move the spray chamber 9 to the heliostat 1 for flushing, which is convenient to use.

[0027] In some disclosures, a gear ring 5 is fixedly sleeved at the bottom of the outer wall of the annular member 2, an annular groove 6 is opened at the top of the outer wall of the annular member 2, and a cleaning component includes a vertical platform 7 vertically mounted on the front end of the top of the extension arm 4, a reserved groove 8 is opened on the vertical platform 7, a spray chamber 9 is rotatably installed in the reserved groove 8, a reduction motor 10 is installed on the top of one side of the vertical platform 7, the output end of the reduction motor 10 is connected to the spray chamber 9 by transmission, a plurality of high-pressure nozzles 11 are evenly distributed on the lower surface of the spray chamber 9, a fixed seat 12 is installed on one side of the spray chamber 9, and a cleaning brush 13 is detachably installed on the lower surface of the fixed seat 12 by bolts, and the cleaning brush 13 is detachably installed on the lower surface of the fixed seat 12. A brush 13 contacts the surface of the heliostat 1 to clean it, and the working state of the spray chamber 9 is adjusted by the reduction motor 10. A water tank 14 is installed on one side of the bottom of the extension arm 4. A water inlet pipe 15 is connected to the top of the water tank 14 and penetrates it. A No. 1 pipe 16 is installed on the bottom of one side of the water tank 14. A No. 2 pipe 17 is installed on the tail of one side of the spray chamber 9. A water pump for pumping water is installed at the end of the No. 2 pipe 17, and a spring tube 18 is installed between the No. 1 pipe 16 and the No. 2 pipe 17. The tail of the extension arm 4 extends out of the heliostat 1, and the extension arm 4 is made of metal.

[0028] like Figure 5 As shown, the driving member 3 includes a slide 301 slidably mounted on the annular member 2, the slide 301 correspondingly slidingly engages in the annular groove 6, the slide 301 is fixedly connected to the extension arm 4, and a No. 1 motor 302 is mounted on the side wall of the slide 301 through a bracket. A gear 303 is mounted on the output end of the No. 1 motor 302, and the gear 303 is meshed and transmission-connected with the ring gear 5;

[0029] During movement, the driving member 3 is provided to start the No. 1 motor 302, and the gear 303 is engaged with the ring gear 5, driving the slide 301 to rotate on the ring member 2. The linkage extension arm 4 and the spray chamber 9 rotate in a circumferential direction around the ring member 2, so that the spray chamber 9 can stably clean the heliostat 1 in the circumferential direction, ensuring comprehensive cleaning of the heliostat 1 and improving cleaning accuracy. Manual cleaning is no longer required, which reduces the workload of the staff and reduces the difficulty of subsequent maintenance.

[0030] The present invention provides a trough-type solar thermal power generation mirror field device, the specific working principle of which is as follows: a mirror field can be formed by uniformly distributing multiple heliostats 1, and light is reflected to a heat absorption tower by means of the heliostats 1 to generate electricity. To ensure the cleanliness of the heliostats 1, a cleaning mechanism is added to the heliostats 1. Under normal conditions, a spray chamber 9 can be moved out of the heliostat 1 to avoid interference with the normal reflection of the heliostat 1. During cleaning, the spray chamber 9 only needs to be moved to the surface of the heliostat 1, and then the heliostat 1 is flushed and cleaned by means of a high-pressure nozzle 11 and a cleaning brush 13 thereon, thereby ensuring the cleanliness of the heliostat 1. In addition, the cleaning position of the spray chamber 9 can be moved, thereby achieving coverage cleaning of the heliostat 1 and reducing the difficulty and workload of manual cleaning.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trough-type solar thermal power generation mirror field device, comprising a mirror field, wherein the mirror field is formed by a plurality of heliostats (1) evenly distributed, and solar energy is reflected and utilized by the heliostats (1), characterized in that: A cleaning mechanism is added to the heliostat (1), and the cleaning mechanism is used to scrub the surface of the heliostat (1). The cleaning mechanism performs a moving cleaning action on the heliostat (1).

2. The trough-type solar thermal power generation mirror field device according to claim 1, characterized in that: The cleaning mechanism comprises an annular member (2) fixedly mounted on the back of the heliostat (1), a driving member (3) being slidably mounted on the annular member (2), an extension arm (4) being added to the driving member (3), a cleaning component being mounted on the tail of the extension arm (4), and the surface of the heliostat (1) being cleaned by the cleaning component.

3. The trough-type solar thermal power generation mirror field device according to claim 2, characterized in that: A gear ring (5) is fixedly sleeved on the bottom of the outer wall of the annular member (2), and an annular groove (6) is provided on the top of the outer wall of the annular member (2).

4. The trough-type solar thermal power generation mirror field device according to claim 2, characterized in that: The driving member (3) includes a slide seat (301) slidably mounted on the annular member (2), the slide seat (301) correspondingly slidingly engaging with the annular groove (6), the slide seat (301) being fixedly connected to the extension arm (4), a No. 1 motor (302) being mounted on the side wall of the slide seat (301) via a bracket, a gear (303) being mounted on the output end of the No. 1 motor (302), and the gear (303) being meshed and transmission-connected with the ring gear (5).

5. The trough-type solar thermal power generation mirror field device according to claim 2, characterized in that: The cleaning component comprises a vertical platform (7) vertically mounted at the front end of the top of the extension arm (4), a reserved groove (8) is provided on the vertical platform (7), a spray chamber (9) is rotatably mounted in the reserved groove (8), a reduction motor (10) is mounted on the top of one side of the vertical platform (7), an output end of the reduction motor (10) is transmission-connected to the spray chamber (9), a plurality of high-pressure nozzles (11) are evenly distributed on the lower surface of the spray chamber (9), a fixing seat (12) is mounted on one side of the spray chamber (9), a cleaning brush (13) is detachably mounted on the lower surface of the fixing seat (12) by means of bolts, the cleaning brush (13) contacts the surface of the heliostat (1) for cleaning, and the working state of the spray chamber (9) is adjusted by the reduction motor (10).

6. The trough-type solar thermal power generation mirror field device according to claim 5, characterized in that: A water tank (14) is installed on one side of the bottom of the extension arm (4), a water inlet pipe (15) is connected to and penetrated through the top of the water tank (14), a No. 1 pipe (16) is connected to and installed at the bottom of one side of the water tank (14), a No. 2 pipe (17) is connected to and installed at the tail end of one side of the spray chamber (9), a water pump for pumping water is installed at the end of the No. 2 pipe (17), and a spring pipe (18) is connected and installed between the No. 1 pipe (16) and the No. 2 pipe (17).

7. The trough-type solar thermal power generation mirror field device according to claim 2, characterized in that: The tail of the extension arm (4) is arranged to extend out from the heliostat (1), and the extension arm (4) is made of metal material.

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