Solar concentrator

Abstract

The utility model relates to the technical field of solar energy, in particular to a solar concentrator, which not only can blow and clean an arc-shaped reflecting plate at regular intervals to ensure the absorption efficiency of the reflecting plate, but also can enable the arc-shaped reflecting plate to rotate along with the sun to improve the utilization rate of solar energy. Comprising a positioning mechanism; the device further comprises a rotating mechanism, an absorption mechanism, a conversion mechanism and a blowing mechanism, the rotating mechanism is installed on the positioning mechanism and conveniently drives the device to rotate, the absorption mechanism is installed on the rotating mechanism and conveniently absorbs solar light, and the conversion mechanism is installed on the positioning mechanism and converts solar energy. The purging mechanism is installed on the switching mechanism and purges the absorption mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of solar energy, in particular to a kind of solar concentrator. BACKGROUND

[0002] Thermodynamic solar device is mainly used for the generation of electric energy, and is usually based on the use of solar concentrator (preferably a so-called sun tracker), which has a variety of shapes of reflectors, such as flat mirrors, parabolic mirrors or parabolic-shaped reflectors.

[0003] The existing solar concentrator, for example, the solar concentrator disclosed in the utility model patent with application number 201320891916.1, mainly includes a reflector having a focal axis, the reflector being adapted to reflect solar rays to concentrate the solar rays corresponding to the focal axis, and a solar boiler supported at the focal axis, the solar boiler including a circulation chamber for a heat transfer fluid; in use, the solar rays from the sun hit the receiving surface of the reflector and are concentrated in the focal point of the reflector at the entrance window, the reflected rays enter the receiving chamber, where they are mainly absorbed by an absorbing surface that will heat up, the heat transfer fluid is injected into the circulation chamber at a first fluid temperature through the tube and the inlet door, and the heat transfer fluid flowing towards the cylindrical bottom exchanges heat with the absorbing surface through the side wall.

[0004] However, the solar concentrator is generally used outdoors, and the reflective surface is easily attached with dust after long-term use, thereby affecting the efficiency of solar reflection, and most of the existing solar concentrators are fixedly installed, so it is difficult to follow the rotation of the sun, thereby affecting the solar absorption efficiency. SUMMARY

[0005] To solve the above technical problems, the utility model provides a solar concentrator which can periodically clean the arc-shaped reflector plate to ensure the absorption efficiency of the reflector plate, and can make the arc-shaped reflector plate follow the rotation of the sun to improve the utilization rate of solar energy.

[0006] The utility model discloses a kind of solar concentrators, including positioning mechanism;Further including rotating mechanism, absorption mechanism, conversion mechanism and blowing mechanism, rotating mechanism is installed on positioning mechanism and is convenient to drive device rotation, absorption mechanism is installed on rotating mechanism and is convenient to absorb solar energy, conversion mechanism is installed on positioning mechanism and conversion is carried out to solar energy, blowing mechanism is installed on conversion mechanism and is blown to absorption mechanism;Positioning mechanism is fixed on working surface, adjust the pitch angle of absorption mechanism, follow the position of sun rotating mechanism drives absorption mechanism to follow rotation, it is convenient to maximum absorption solar energy, conversion mechanism is converted to solar energy, regularly open blowing mechanism to the surface of absorption mechanism is blown, guarantee absorption mechanism absorption effect.

[0007] Preferably, the positioning mechanism comprises four sets of fixing seats and a positioning ring, the bottom ends of the four sets of fixing seats are connected with the top end of the working surface, the bottom end of the positioning ring is connected with the top ends of the four sets of fixing seats, and a sliding groove is formed in the inside of the positioning ring; the four sets of fixing seats and the positioning ring are arranged to facilitate the limiting and fixing of the rotating mechanism and ensure the overall stability of the device.

[0008] Preferably, the rotating mechanism comprises a mounting plate, a stepping motor, a speed reducer, a connecting shaft and a connecting plate, the mounting plate is installed on the working surface, the bottom end of the stepping motor is connected with the bottom end of the mounting plate, the bottom end of the speed reducer is connected with the bottom end of the mounting plate, the connecting shaft is rotatably installed on the mounting plate and is longitudinally connected with the speed reducer, and the connecting plate is rotatably installed in the sliding groove of the positioning ring and the bottom end of the connecting plate is connected with the top end of the connecting shaft; through program setting, the stepping motor is started, the stepping motor drives the connecting shaft to rotate through the speed reducer, and the connecting shaft drives the connecting plate to rotate, so that the absorbing mechanism always faces the direction of the sun, thereby facilitating the maximum absorption of solar energy.

[0009] Preferably, the absorbing mechanism comprises a plurality of connecting columns, two sets of main support frames, a plurality of reinforcing ribs, two sets of rotating shafts and an arc-shaped reflecting plate, the bottom ends of the plurality of connecting columns are connected with the top end of the connecting plate, the bottom ends of the two sets of main support frames are connected with the top ends of the connecting columns, the bottom ends of the plurality of reinforcing ribs are respectively connected with the top ends of the plurality of connecting columns, the top ends of the plurality of reinforcing ribs are respectively connected with the two sets of main support frames, the two sets of rotating shafts are respectively rotatably installed on the two sets of main support frames, and the arc-shaped reflecting plate is installed on the two sets of rotating shafts; the two sets of main support frames are arranged to facilitate the support of the arc-shaped reflecting plate, the plurality of reinforcing ribs are arranged to improve the stability of the two sets of main support frames, and the arc-shaped reflecting plate absorbs solar energy.

[0010] Preferably, the two sets of rotating shafts are respectively provided with an adjusting knob and a locking device; the two sets of rotating shafts are driven to rotate by the adjusting knob, the arc-shaped reflecting plate is driven to rotate by the two sets of rotating shafts to adjust the pitch angle, and then the two sets of rotating shafts are locked by the locking device, thereby facilitating the orientation of the arc-shaped reflecting plate towards the sun.

[0011] Preferably, the conversion mechanism comprises a vice support frame, a mounting box and a converter, the vice support frame is installed on the arc-shaped reflecting plate, the mounting box is installed on the vice support frame, and the converter is installed on the mounting box; the vice support frame and the mounting box are arranged to facilitate the converter to face the center of the arc-shaped reflecting plate, and the converter converts and transports the solar energy absorbed by the arc-shaped reflecting plate.

[0012] Preferably, the blowing mechanism comprises a gas pump and four sets of nozzles, the gas pump is installed on the mounting box, and the four sets of nozzles are installed on the mounting box and are in communication with the gas pump; through program setting, the gas pump is started at a regular time every morning, the gas pump compresses air, the compressed air is transported into the four sets of mounting boxes, and the four sets of nozzles spray air to blow the surface of the arc-shaped reflecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the positioning mechanism is fixed on the working face, the pitch angle of the absorption mechanism is adjusted, the position of the sun is followed, the rotation mechanism drives the absorption mechanism to follow the rotation, the solar energy is absorbed conveniently to the maximum, the conversion mechanism converts the solar energy, the blowing mechanism is opened regularly to blow the surface of the absorption mechanism, and the absorption effect of the absorption mechanism is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the utility model;

[0015] Figure 2 is the shaft measurement structural schematic diagram of the positioning mechanism and the absorption mechanism of the utility model;

[0016] Figure 3 is the local enlarged sectional shaft measurement structural schematic diagram of the rotation mechanism of the utility model;

[0017] Figure 4 is the local enlarged shaft measurement structural schematic diagram of the conversion mechanism and the blowing mechanism of the utility model;

[0018] Figure 5 is the shaft measurement structural schematic diagram of the utility model;

[0019] Figure 6 is the actual picture of the utility model.

[0020] Mark in the drawing: 01, positioning mechanism;11, fixed seat;12, positioning ring;02, rotation mechanism;21, mounting plate;22, step motor;23, speed reducer;24, connecting shaft;25, connecting plate;03, absorption mechanism;31, connecting column;32, main support frame;33, reinforcing rib;34, rotating shaft;35, arc-shaped reflecting plate;04, conversion mechanism;41, vice support frame;42, mounting box;43, converter;05, blowing mechanism;51, air pump;52, spray head. DETAILED DESCRIPTION

[0021] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Embodiment 1

[0023] The utility model discloses a kind of solar concentrators, including positioning mechanism 01;Still including rotating mechanism 02, absorption mechanism 03, conversion mechanism 04 and purging mechanism 05, rotating mechanism 02 is installed on positioning mechanism 01 and is convenient to drive device rotation, absorption mechanism 03 is installed on rotating mechanism 02 and is convenient to absorb solar energy, conversion mechanism 04 is installed on positioning mechanism 01 and is converted to solar energy, purging mechanism 05 is installed on conversion mechanism 04 and is purged to absorption mechanism 03;Positioning mechanism 01 includes four groups of fixed seat 11 and positioning ring 12, the bottom end of four groups of fixed seat 11 is connected with working surface top end, the bottom end of positioning ring 12 is connected with the top end of four groups of fixed seat 11, and sliding slot is opened in the inside of positioning ring 12;Rotating mechanism 02 includes mounting plate 21, step motor 22, speed reducer 23, connecting shaft 24 and connecting plate 25, mounting plate 21 is installed on working surface, the bottom end of step motor 22 is connected with the bottom end of mounting plate 21, the bottom end of speed reducer 23 is connected with the bottom end of mounting plate 21, connecting shaft 24 is rotatably installed on mounting plate 21 and is connected with speed reducer 23 longitudinally, connecting plate 25 is rotatably installed in the sliding slot of positioning ring 12 and the bottom end of connecting plate 25 is connected with the top end of connecting shaft 24;Absorption mechanism 03 includes multiple connecting columns 31, two groups of main support frames 32, multiple reinforcing ribs 33, two groups of rotating shafts 34 and arc reflecting plate 35, the bottom end of multiple connecting columns 31 is connected with the top end of connecting plate 25, the bottom end of two groups of main support frames 32 is connected with the top end of connecting column 31, the bottom end of multiple reinforcing ribs 33 is connected with the top end of multiple connecting columns 31 respectively, and the top end of multiple reinforcing ribs 33 is connected with two groups of main support frames 32 respectively, two groups of rotating shafts 34 are rotatably installed on two groups of main support frames 32 respectively, and arc reflecting plate 35 is installed on two groups of rotating shafts 34;Still including that adjusting knob and locking device are arranged on two groups of rotating shafts 34;Conversion mechanism 04 includes vice support frame 41, installation box 42 and converter 43, vice support frame 41 is installed on arc reflecting plate 35, installation box 42 is installed on vice support frame 41, and converter 43 is installed on installation box 42;In its work, first, by setting four groups of fixed seat 11 and positioning ring 12 convenient for rotating mechanism 02 limiting fixed, ensure the overall stability of the device, through program setting, start stepper motor 22, stepper motor 22 through speed reducer 23 drive connecting shaft 24 rotation, connecting shaft 24 drive connecting plate 25 rotation, make absorption mechanism 03 always opposite the sun direction, convenient maximum absorption solar energy, by setting two groups of main support frame 32 convenient for arc-shaped reflector plate 35 support, by setting multiple groups of reinforcing ribs 33 improve the stability of two groups of main support frame 32, staff through the adjustment knob drive two groups of rotating shaft 34 rotation, two groups of rotating shaft 34 drive arc-shaped reflector plate 35 rotation adjustment pitch angle, then utilize locking device and lock two groups of rotating shaft 34, convenient arc-shaped reflector plate 35 towards the sun, by setting vice support frame 41 and installation box 42 convenient converter 43 opposite arc-shaped reflector plate 35 center, converter 43 to arc-shaped reflector plate 35 absorbed solar energy conversion and transport.

[0024] Embodiment 2

[0025] As Figures 1 to 6 The utility model discloses a solar concentrator, on the basis of embodiment 1;Blowing mechanism 05 includes air pump 51 and four groups of sprayer 52, air pump 51 installs on installation box 42, four groups of sprayer 52 all install on installation box 42 and communicate with air pump 51;In its work, first, by setting four groups of fixed seat 11 and positioning ring 12 convenient for rotating mechanism 02 limiting fixed, ensure the overall stability of the device, through program setting, start stepper motor 22, stepper motor 22 through speed reducer 23 drive connecting shaft 24 rotation, connecting shaft 24 drive connecting plate 25 rotation, make absorption mechanism 03 always opposite the sun direction, convenient maximum absorption solar energy, by setting two groups of main support frame 32 convenient for arc-shaped reflector plate 35 support, by setting multiple groups of reinforcing ribs 33 improve the stability of two groups of main support frame 32, staff through the adjustment knob drive two groups of rotating shaft 34 rotation, two groups of rotating shaft 34 drive arc-shaped reflector plate 35 rotation adjustment pitch angle, then utilize locking device and lock two groups of rotating shaft 34, convenient arc-shaped reflector plate 35 towards the sun, by setting vice support frame 41 and installation box 42 convenient converter 43 opposite arc-shaped reflector plate 35 center, converter 43 to arc-shaped reflector plate 35 absorbed solar energy conversion and transport, through program setting, every morning regularly start air pump 51, air pump 51 compresses air, and air is transported to four groups of installation box 42, and four groups of sprayer 52 blow out air and sweep arc-shaped reflector plate 35 surface.

[0026] The stepper motor 22, the speed reducer 23 and the air pump 51 of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0027] The above merely describes preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as falling within the protection scope of the present application.

Claims

1. A solar concentrator comprising a positioning mechanism (01); characterized in that, It also includes rotating mechanism (02), absorption mechanism (03), conversion mechanism (04) and blowing mechanism (05), rotating mechanism (02) is installed on positioning mechanism (01) and facilitates driving device rotation, absorption mechanism (03) is installed on rotating mechanism (02) and facilitates absorption solar light, conversion mechanism (04) is installed on positioning mechanism (01) and converts solar energy, blowing mechanism (05) is installed on conversion mechanism (04) and blows absorption mechanism (03).

2. A solar concentrator as claimed in claim 1, wherein, Positioning mechanism (01) includes four groups of fixed seat (11) and positioning ring (12), the bottom end of four groups of fixed seat (11) is connected with the top end of working surface, the bottom end of positioning ring (12) is connected with the top end of four groups of fixed seat (11), and a sliding groove is formed in the inside of positioning ring (12).

3. A solar concentrator as claimed in claim 2, wherein, Rotating mechanism (02) includes mounting plate (21), stepping motor (22), speed reducer (23), connecting shaft (24) and connecting plate (25), mounting plate (21) is installed on working surface, the bottom end of stepping motor (22) is connected with the bottom end of mounting plate (21), the bottom end of speed reducer (23) is connected with the bottom end of mounting plate (21), connecting shaft (24) is rotatably installed on mounting plate (21) and is connected with speed reducer (23) longitudinally, and connecting plate (25) is rotatably installed in the sliding groove of positioning ring (12) and the bottom end of connecting plate (25) is connected with the top end of connecting shaft (24).

4. A solar concentrator as claimed in claim 3, wherein the reflective surface is a parabolic surface. Absorption mechanism (03) includes multiple groups of connecting columns (31), two groups of main support frames (32), multiple groups of reinforcing ribs (33), two groups of rotating shafts (34) and arc-shaped reflecting plates (35), the bottom end of multiple groups of connecting columns (31) is connected with the top end of connecting plate (25), the bottom end of two groups of main support frames (32) is connected with the top end of connecting column (31), the bottom end of multiple groups of reinforcing ribs (33) is respectively connected with the top end of multiple groups of connecting columns (31), and the top end of multiple groups of reinforcing ribs (33) is respectively connected with two groups of main support frames (32), two groups of rotating shafts (34) are rotatably installed on two groups of main support frames (32) respectively, and arc-shaped reflecting plates (35) are installed on two groups of rotating shafts (34).

5. A solar concentrator as claimed in claim 4, wherein the reflective surface is a parabolic surface. Two groups of rotating shafts (34) are provided with adjusting knobs and locking devices.

6. A solar concentrator as claimed in claim 4, wherein, Conversion mechanism (04) includes vice support frame (41), mounting box (42) and converter (43), vice support frame (41) is installed on arc-shaped reflecting plate (35), mounting box (42) is installed on vice support frame (41), and converter (43) is installed on mounting box (42).

7. A solar concentrator as claimed in claim 6, wherein the reflective surface is a parabolic surface. Blowing mechanism (05) includes air pump (51) and four groups of nozzles (52), air pump (51) is installed on mounting box (42), and four groups of nozzles (52) are all installed on mounting box (42) and are communicated with air pump (51). Blowing mechanism (05) includes air pump (51) and four groups of nozzles (52), air pump (51) is installed on mounting box (42), and four groups of nozzles (52) are all installed on mounting box (42) and are communicated with air pump (51).

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