WO2012065526A1

WO2012065526A1 - Solar energy converging method and application thereof in heating and illumination

Info

Publication number: WO2012065526A1
Application number: PCT/CN2011/082117
Authority: WO
Inventors: 李忠孝; 邓新军
Original assignee: Li Zhongxiao; Deng Xinjun
Priority date: 2010-11-19
Filing date: 2011-11-11
Publication date: 2012-05-24
Also published as: CN102062937A

Abstract

A solar energy converging method and the application thereof in heating and illumination are provided. The solar energy converging method is as follows: setting a converging device capable of converging solar energy, which comprises a collection pan (1) whose axial section has a parabola shape and a light reflecting pan (2) whose axial section has a parabola shape, wherein the opening directions of the collection pan (1) and the light reflecting pan (2) are the same. A light-permeable hole (3) is provided at the middle of the bottom of the collection pan (1). The diameter of the light reflecting pan (2) is smaller than that of the collection pan (1). The inner surface of the collection pan (1) is a reflective surface, and the outer surface of the light reflecting pan (2) is a reflective surface. Parallel sunlight straightly shoots to the inner surface of the collection pan (1), is reflected and converged by the collection pan (1), and then irradiates to the outer surface of the light reflecting pan (2); and after being reflected by the light reflecting pan (2), the converged sunlight is projected to the other surface of the collection pan (1) through the light-permeable hole (3) for use. The solar energy converging method can be applied in illumination and heating.

Description

Solar energy gathering method and application thereof in heating and illumination

[0001] The present invention discloses a solar energy gathering method and application, and more particularly, a solar energy gathering method and its application in heating and lighting. Background technique

[0002] With the gradual reduction of resources such as coal and oil, and the serious pollution caused by its use, the development of a new clean energy is the focus of people's development. The more geothermal, wind, tidal and solar energy are used as clean energy. The more people come to the attention, the geothermal, wind and tidal energy are usually limited by the geographical environment, and can not be used as a universal energy source. Only solar energy is widely used as a representative of clean energy. At present, people apply solar energy. Usually it is limited to boiling water and power generation, and it is not fully utilized. The reason is that the sunlight is relatively scattered, and the sunlight per unit area is not enough to be used as a heat source. How to carry out solar energy? Gathering, the focus of people's use of solar energy, although already mentioned in the elementary school textbook, using a pot-shaped thing to reflect the sun's light to the point - for cooking, but it is just an idea, not suitable In fact, if the area of the reflecting pot is small, then the energy of the gathering is small, and it is not enough to use. If the area of the reflecting pot is large, the point of convergence will be very embarrassing, and it will be impossible to cook and cook. This is a contradiction that cannot be solved. Therefore, in the past 20 years, I have come to see such things in people's daily lives. Hair content

[0003] In view of the above-mentioned problem of insufficient solar energy application in the prior art, the present invention provides a new solar energy gathering method and its application in heating, which uses a large collecting disk to concentrate parallel sunlight. At a point, the reflected sunlight is reflected into parallel light through a reflecting plate, and is used behind the collecting plate to solve the above contradiction.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a solar energy gathering method, the method is provided with a collecting device capable of concentrating solar energy, and the collecting device comprises a collecting disk with a parabolic surface and a parabola And an anti-disc with a parabolically curved surface, the opening direction of the collecting disk and the anti-disc is the same, and a transparent hole is opened in the middle of the bottom of the collecting plate, the diameter of the anti-disc is smaller than the diameter of the collecting plate, and the inner surface of the collecting plate is a reflective surface. The outer surface of the anti-disc is a reflective surface, and the parallel sunlight is directly directed onto the inner surface of the collecting disc. After being reflected and concentrated by the collecting disc, it is irradiated onto the outer surface of the anti-disc, and the reflected sunlight is reflected by the anti-disc. The light transmission hole is projected onto the other side of the collection disk.

[0005] A solar energy gathering method as described above is applied in heating, and a support table for placing a sawing stove is disposed behind the collecting tray, and the supporting table is disposed corresponding to the light-transmitting hole on the stacking tray, so as to pass through The converging sunlight of the light holes can illuminate the pot on the support table to heat the pot. ■

[0006] A solar energy gathering method as described above is applied in heating, and a heating tank is fixedly disposed behind the collecting tray, and the heating tank is disposed corresponding to the light transmitting hole on the collecting tray, so that the concentrated sunlight passing through the light transmitting hole can be The heating bath is irradiated to heat the substance in the heating bath.

[0007] An application of the solar energy convergence method as described above in illumination, wherein the focus of the axial section of the diskless and anti-disc is coincident, and an optical fiber or a first mirror is disposed behind the light transmission hole corresponding to the light transmission hole, When a fiber is disposed behind the light-transmitting hole, the light transmitted through the light-transmitting hole is caused by the optical fiber to be illuminated, and illumination is performed: when the first mirror is disposed behind the light-transmitting hole,

Correction page (Article 91) - The mirror reflects the light transmitted through the light-transmissive aperture into ^a straight upward or vertical downward light, and the light transmitted through the light-transmitting aperture is caused by more than one second mirror to cause illumination and illumination.

[0008] The technical solution adopted by the present invention to solve the technical problem thereof further includes -

[0009] The focal points of the axis of the collecting disc and the anti-disc are coincident, or the focal point of the axis of the collecting disc is slightly inside than the focus of the axis of the anti-disc.

[0010] The method further includes providing a rotating base, the concentrating device is mounted on the rotating base, and the rotating base drives the concentrating device to rotate, so that the anti-disc is always facing the sun.

[00] 1] The bottom of the rotating base is a base, a plane bearing is mounted on the base, and a horizontal turntable is mounted on the plane bearing, and the first motor drives the horizontal turntable to rotate the ice flat turntable to be mounted with a support frame, and the support frame passes The rotating shaft is equipped with a vertical turntable, the vertical turntable is set perpendicular to the horizontal turntable, the collecting disk is mounted on the vertical turntable, and the second motor drives the vertical turntable to rotate.

[0012] The horizontal turntable is externally provided with gear teeth, and the first gear is mounted on the rotor of the first motor, and the first gear meshes with the horizontal turntable.

[0013] The vertical turntable is externally provided with gear teeth, the second motor rotor is mounted with a second gear, and the second gear is meshed with the vertical turntable

[0014] The back of the collecting tray is fixedly provided with a mirror to reflect the concentrated sunlight to the bottom of the pot ₄

[0015] The invention has the beneficial effects that the present invention changes the conventional method for concentrating sunlight by a lens, and the solar light is concentrated by two discs whose parabolic planes are parabolic, and the scattered parallel sunlight is converted into The parallel solar light can be used for heating and illumination, which can be used for solar energy. It provides a research direction for the research of solar energy utilization and has epoch-making significance. When the invention is used, the light-receiving body can be determined to be inactive, which brings great convenience to use and design.

[0016] The present invention will be further described with reference to the drawings and specific embodiments. Country description

1 is a schematic view showing the structure of a three-dimensional state of the present invention.

2 is a schematic structural view of an exploded state of the present invention.

[0019] The cabinet 3 is a schematic diagram of the first embodiment of the present invention.

4 is a schematic diagram of the principle of the second embodiment of the present invention

[0021] The display 5 is a schematic diagram of the structure of the invention for illumination.

[0022] FIG. 6 is a schematic view of the structural principle of the present invention for heating,

[0023] The cabinet 7 is a schematic diagram of the structural principle of the present invention for cooking.

[0024] 3⁄4, 1-collection disc, 2-anti-disc, 3-transparent hole, 4-strut, 5-base, 6-plane bearing, 7-horizon wheel, 8~first motor, 9-support Rack, 10-sleeve, 11-spindle, 12-vertical turntable, 13-second motor, 14-first mirror, 15-second mirror, 16-heating slot, 17-third mirror, 18- Support table, 19-pot, 20-support plate. detailed description

[0025] This embodiment is a preferred embodiment of the present invention, and other principles and basic structures thereof are the same as or similar to those of the present embodiment, and are all within the scope of the present invention.

An important invention of the present invention is a method for concentrating sunlight, please refer to FIG. 3 and FIG. 4, in the present invention.

Correction page (Article 91) There is a collecting disc I and an anti-disc 2, and the axial section of the collecting disc 1 is parabolic. In this embodiment, the inner surface of the collecting disc 1 is a reflective surface, and the collecting disc 1 is facing the sun, and can pass through the crucible. The reflection of the collecting tray 1 concentrates the parallel sunlight to the parabolic focal point of the axis of the collecting tray 1. The axial cut surface of the anti-disc 2 is also parabolic. In this embodiment, the outer surface of the anti-disc 2 is a reflective surface. In this embodiment, the focal points of the axis-cut faces of the take-up disk 1 and the anti-disc 2 are coincident, or the focus of the axis of the take-up disk 1 is slightly inside than the focus of the axis of the anti-disc 2, when the disk I and the anti-disc 2 are collected. When the focal points of the axial section coincide, the reflected sunlight of the collecting disk 1 can form parallel light by the reflection of the anti-disc 2, and in this embodiment, the diameter of the collecting disk I is much larger than the diameter of the anti-optical disk 2, so the anti-disc 2 The light intensity of the parallel light formed by the reflection is much larger than the light intensity of the ordinary sunlight; when the focus of the axis of the collecting disk 1 is slightly inside than the focus of the axis of the anti-disc 2, the sunlight reflected by the collecting disk 1 can pass through The reflection of the anti-disc 2 forms concentrated sunlight, which will be large area Sunlight to a point, be used. In the present invention, the bottom of the collecting tray 1 is provided with a light-transmitting hole 3, and the diameter of the light-transmitting hole 3 is equal to or slightly larger than the diameter of the anti-optical disc 2, so that the parallel sunlight reflected by the anti-disc 2 can be irradiated to the collecting tray 1. Later, it is utilized; when the anti-optical disc 2 is reflected to form concentrated sunlight, the diameter of the light-transmitting hole 3 can also be smaller than the diameter of the anti-optical disc 2.

[0027] The solar energy concentrating method in the present invention needs to maintain the entanglement disk 1 to face the sun at the same time. In the present invention, a rotating base is also provided, and the smashing disk 1 and the anti-disc 2 are mounted on the rotating base. In the upper part, the turret collecting plate 1 is moved by the rotating base, so that the 釆 collecting plate 1 is kept facing the sun at all times. Referring to FIG. 1 and FIG. 2, in the embodiment, the bottom of the rotating base is a base 5 for supporting. The base 5 is mounted with a plane bearing 6 on which the horizontal turntable 7 is mounted. The horizontal turntable 7 can rotate horizontally and horizontally with the base 5 under the support of the plane bearing 6. In this embodiment, the outer circumference of the horizontal turntable 7 is provided with gear teeth, and the first motor 8 is fixedly mounted on the base 5, and the first gear is fixedly mounted on the rotor of the first motor 8, and the first gear and the outer side of the horizontal turntable 7 The gear teeth are directly meshed, and the first motor 8 drives the horizontal turntable 7 to rotate. In this embodiment, it is a simple and stable implementation manner. In specific implementation, the first motor 8 also drives the level through a gear set, a connecting rod or a belt. The turntable 7 is rotated. A support frame 9 is fixedly mounted on the horizontal turntable 1. In the present embodiment, two support frames 9 are provided, and a support sleeve 10 is fixedly mounted on each support frame 9. A vertical turntable 12 is fixedly mounted on the outer side of the stacking plate 1. In this embodiment, the outer circumference of the vertical turntable 12 is provided with gear teeth, and the center of the vertical turntable 12 is provided with a rotating shaft U mounted on the support frame 9. In the sleeve 10, in the embodiment, in order to balance the force and structure of the collecting disc 1, a supporting disc 13 is fixedly mounted on the outer side of the collecting disc 1, and the supporting disc 13 is symmetrically arranged with the vertical turntable 12, and the supporting disc 13 is arranged. A rotating shaft 11 is also fixed at the center of the circle, and the rotating shaft 11 is mounted in the sleeve 10 on the other supporting frame 9. The second motor 13 is fixedly mounted on the horizontal turntable 7. The second gear 13 is fixedly mounted on the rotor of the second motor 13, and the second gear is directly meshed with the teeth on the outer side of the vertical turntable 12. The second motor 13 drives the vertical turntable 12 to rotate. In this embodiment, it is a simple and stable implementation manner. In specific implementation, the second motor 13 also drives the vertical turntable 12 to rotate through a gear set, a connecting rod or a belt. In this embodiment, in order to make the rotation angles of the first motor 8 and the second motor 13 easier to control, the first motor 8 and the second motor 13 adopt a plunging motor, and the first motor δ and the second motor 〖3 are arranged according to each At a constant speed, the first motor 8 and the second motor 13 drive the disk 1 to rotate, so that the disk 1 is always facing the sun. In the present embodiment, the anti-disc 2 is mounted to the take-up disc 1 via the strut 4.

[0028] In the above embodiment, it is only one implementation manner of the present invention. When the angle adjustment is performed in the present invention, it can also be realized by a worm wheel and a worm.

[0029] The concentrating method of the present invention can be used in a variety of ways:

[0030] Please refer to the cabinet 5, when the solar light convergence method of the present invention is used for illumination, an optical fiber can be installed at the light transmission hole 3 on the collection tray 1, and the concentrated sunlight is transmitted to the required illumination through the optical fiber. s position. Can be at the exit of the fiber

Correction page (Article 91) Set the pitting point, or set a long mirror at the exit of the fiber, or a diffuser, etc., to scatter the concentrated sunlight transmitted by the fiber for illumination. The first mirror 14 can also be mounted on the light-transmitting hole 3 on the collecting disk 1. In this embodiment, the sunlight transmitted through the light-transmitting hole 3 is converted into a vertical upward or vertical direction by the first mirror. The underlying sunlight then passes through the more than one second mirror 15 to conduct the concentrated solar light into the room through reflection to illuminate. In this embodiment, the first mirror 1 is mounted on the horizontal turntable 7. As the horizontal turntable 7 is horizontally rotated, the sunlight passing through the light-transmitting hole 3 of the collecting disk 1 is irradiated to the first mirror at all times. In this embodiment, the horizontal turntable 7 is further provided with a mirror driving motor (not shown), and the mirror driving motor drives the first mirror to perform a pitching motion. In this embodiment, the first reflecting light The vertical rotation angle of the mirror 14 corresponds to the vertical rotation angle of the stacking tray 1. The vertical rotation angle of the first mirror 1 is one-half of the vertical rotation angle of the collection tray I, that is, the vertical rotation of the collection tray 1 is 2 A mirror M is rotated 1 vertically. In this way, the solar light reflected by the first mirror 14 can be kept in a straight upward or vertical downward state, and the second mirror 15 and the subsequent mirrors can be kept stationary.

[0031] Please refer to the country 6, when the solar light collecting method of the present invention is used for heating, a heating tank 16 can be installed at the light transmission hole 3 on the collecting tray 1, and the heating tank in this embodiment is a water tank. The heating tank 16 is provided with an inlet pipe and an outlet pipe, and the material in the heating tank 16 can be heated by the concentrated sunlight transmitted through the light transmission hole 3. The heating tank 16 of the present invention is a water tank, which can heat the water in the water tank by sunlight, and when the hot water is used for household bathing, washing vegetables, etc., the area of the collecting tray 1 can also be made very large. to a large number of converging sunlight can be used for smelting, welding or cutting when the sun _β aggregation method of the present invention for heating, the disk 1 and the focal axis acquisition section anti-optical disc 2 may coincide, so Bian The illuminating concentrated sunlight can form parallel light by the reflection of the anti-disc 2; it can also make the axis of the yoke I have a focus point slightly on the inner side of the axis of the anti-disc 2, and the concentrating disk 1 reflects the concentrated sun. The light forms a concentrated sunlight through the reflection of the anti-optical disc 2, and concentrates a large area of sunlight onto the heating bath 16, so that the heating effect is better.

Referring to FIG. 7, the solar light gathering method of the present invention can also be used for cooking and cooking, and a support table 18 is mounted on the light transmission hole 3 on the collection tray 1, and the support table 18 can be used for placing the pot. The stove is 〖9, etc., so that the concentrated sunlight is used for cooking and cooking. In the present embodiment, a third mirror 17 is mounted under the support table 18, and the concentrated sunlight is reflected by the third mirror 17 to the pot 19 At the bottom, heat it. In this embodiment, the focus of the collecting disk 〖and the axis of the anti-disc 2 may coincide, so that the sunlight reflected by the collecting disk 1 can be formed by the reflection of the anti-disc 2 to form parallel light; and the axis of the collecting disk 1 can also be focused. Slightly behind the focus of the axis of the anti-disc 2, the concentrated solar light reflected by the collecting disk 1 forms a concentrated sunlight through the reflection of the anti-precursor 2, and condenses a large area of sunlight to the third reflecting mirror 17, so that Its heating effect is better"

[0033] The invention has other uses and is not described in detail herein.

[0034] The present invention further changes the conventional method of concentrating sunlight by a lens, and the solar disk is concentrated by using two axes of the axis-throwing throwing line to convert the scattered parallel sunlight into convergent parallel sunlight. By using it for heating, lighting, etc., it can be used well for solar energy, and it provides an important research reference direction for the research of solar energy utilization, which has epoch-making significance. When the invention is used, the light-receiving body can be drawn and moved, which brings great convenience to use and design.

Correction page (Article 91)

Claims

Claim

A solar energy gathering method, characterized in that: the method comprises providing a collecting device capable of concentrating solar energy, wherein the collecting device comprises a collecting disk having a parabolic surface and a parabolic cutting surface and a parabolic cutting surface. In the anti-disc, the opening direction of the collecting disc and the anti-disc is the same, and the transparent hole is opened in the middle of the rake portion, the diameter of the anti-disc is smaller than the diameter of the collecting disc, the inner surface of the collecting disc is a reflecting surface, and the outer surface of the anti-disc is a reflecting surface. Parallel sunlight directly hits the inner surface of the collecting plate, and after being reflected and concentrated by the collecting plate, it is irradiated onto the outer surface of the anti-disc, and the reflected sunlight is reflected by the anti-disc, and then projected through the through-hole to the collecting plate. Use one side.

The solar energy concentrating method according to claim 2 or 2, wherein the focus of the axis of the collecting disk and the anti-disc is coincident, or the axis of the collecting disk is slightly closer than the axis of the anti-disc. Focus on the inside*

The solar energy gathering method according to claim 1 or 2, wherein the method further comprises: providing a rotating base, the assembling device is mounted on the rotating base, and the rotating base drives the convergence device to rotate, Keep the anti-disc moment toward the sun.

4. The solar energy fC gathering method according to claim 3, wherein the bottom of the rotating base is a base, a plane bearing is mounted on the base, a horizontal turntable is mounted on the plane bearing, and the first motor drives the horizontal turntable. Rotating; a support frame is mounted on the horizontal turntable, a vertical turntable is mounted on the support frame through the rotating shaft, the vertical turntable is set perpendicular to the horizontal turntable, the collecting disk is mounted on the vertical turntable, and the second motor drives the vertical turntable to rotate.

Δ. The solar energy concentrating method according to claim 4, wherein the horizontal rotating wheel of the cymbal is provided with gear teeth, and the first gear is mounted on the first motor rotor, and the first gear meshes with the horizontal rotating disk.

The solar energy gathering method according to claim 5, wherein the vertical turntable is provided with gear teeth, the second motor is mounted with a second gear, and the second gear is meshed with the vertical turntable.

The application of the solar energy concentrating method according to any one of claims 1 to 6 in heating, characterized in that: the support tray is provided with a support table for placing the cooker, and a support table Corresponding to the arrangement of the light-transmitting holes on the collecting tray, the concentrated sunlight passing through the light-transmitting holes can be irradiated to the pot on the support table, and the pot is heated.

8 . The application of the solar energy concentrating method according to claim 7 , wherein the concentrating disk is arranged with a mirror to reflect the concentrated sunlight to the bottom of the pot. 8 .

The use of the solar energy gathering method according to any one of claims 1 to 6 for heating, characterized in that: the collecting tray is provided with a heating tank, and the heating tank corresponds to the collecting tray The upper light-transmitting holes are arranged such that the concentrated sunlight passing through the light-transmitting holes can be irradiated to the heating water tank to heat the water in the heating water tank.

10. Use of a solar energy convergence method according to any one of claims 1 to 6 in illumination, characterized in that: the focus of the axis-cut surface of the enthalpy disk and the counter-first disk coincides with each other. An optical fiber or a first mirror is disposed behind the optical hole corresponding to the light-transmitting hole. When an optical fiber is disposed behind the light-transmitting hole, the light-transmitting light is used to cause illumination to be illuminated, and the light is provided behind the light-transmitting hole. When there is a first-mirror, the first-mirror reflects the light transmitted through the light-transmissive hole into vertical upward or vertical downward light, and causes light transmitted through the light-transmitting hole through one or more second mirrors. Lighting is required for lighting.

Correction page (Article 91)