CN109654752B - A dimming solar water heater - Google Patents

Abstract

The invention relates to a dimming solar water heater, which comprises a light condensing assembly and a heating assembly, wherein the light condensing assembly comprises a light condensing plate, the light condensing plate comprises a spherical reflecting plate, a reflecting layer is arranged on the surface of the reflecting plate, a reflector is connected to the light condensing plate through a support, and the reflector is positioned at the spherical center of the spherical reflecting plate; the light-gathering device is characterized in that a light-gathering tube is arranged in the center of the spherical surface of the light-gathering plate, a light-gathering mirror is arranged at one end of the light-gathering tube, the light-gathering mirror is positioned on one surface, provided with a reflecting layer, of the light-gathering plate, a light-gathering component is arranged at the other end of the reflecting tube, the light-gathering component further comprises a light-guiding tube arranged in the reflecting tube, the light-gathering mirror is arranged in the light-guiding tube, and a refractor is further arranged in the light-; the heating assembly comprises a connecting cylinder fixedly connected with the light guide cylinder, a heat collecting cylinder with an annular cross section is arranged in the connecting cylinder, an annular heat collecting cavity is arranged in the heat collecting cylinder, and a light transmitting hole is formed in the annular middle of the heat collecting cylinder.

Description

A dimming solar water heater

technical field

The invention relates to the field of solar energy equipment, and belongs to a dimming type solar water heater.

Background technique

This application is a divisional application for an invention patent, a concentrating solar water heater with application number 2016109970727.

The collector tube type solar water heater is connected to a water tank through several collector tubes, and the collector tube receives infrared rays from sunlight to circulate and heat the hot water in the collector tube, so as to achieve the purpose of hot water, in order to ensure good light transmission. The heat collector tube is generally made of glass, so it is relatively fragile. The heat collector tube is generally directly exposed to the environment. Once it encounters hail or severe weather with a large temperature difference, it is easy to rupture and cause danger. .

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the technical problem of the exposed heat collecting tube in the prior art, and provide a heat collecting type solar water heater with a hidden heat collecting tube.

The technical scheme adopted by the present invention to solve its technical problems is:

A dimming solar water heater includes a light concentrating component and a heating component, the light concentrating component includes a light concentrating plate, wherein the light concentrating plate includes a spherical reflecting plate, a reflective layer is arranged on the surface of the reflecting plate, and the concentrating plate is A reflector is connected to the light plate through a bracket, and the reflector is located at the spherical center of the spherical reflector; a light collecting tube is arranged at the center of the spherical surface of the light collecting plate, and a light collecting tube is arranged at one end of the light collecting tube A light collecting mirror, the light collecting mirror is located on the side of the light collecting plate where the reflection layer is arranged, and a said light collecting component is arranged on the other end of the light collecting tube, and the light collecting component also includes a guide installed in the light collecting tube Light tube, a condenser lens is arranged in the light guide tube, and a refracting mirror is also arranged in the light guide tube; wherein the light collecting mirror and the condenser mirror are convex lenses, the refracting mirror is a concave lens, and the surface of the reflecting mirror is an inner concave spherical surface ; The heating assembly includes a connecting tube that is fixedly connected to the aforementioned light guide tube, a heat collecting tube with an annular cross-section is arranged in the connecting tube, and an annular heat collecting cavity is arranged in the heat collecting tube. The annular center of the heat cylinder is a light-transmitting hole, the heat-collecting cylinder is made of light-transmitting material, a drain pipe is arranged at the top of the heat-collecting cylinder, and a water inlet pipe is arranged at the bottom of the heat-collecting cylinder; On the reflector, it is collected on the reflector through the spherically mounted reflector, and then reflected and collected by the concave spherical surface of the reflector. The refracting mirror scatters the focused sunlight into the light-transmitting hole, the sunlight from the light-transmitting hole is scattered on the annular inner wall of the heat collecting cylinder, and the infrared rays in the sunlight heat the water in the heat collecting cavity; The light guide tube is also provided with a focus adjustment block, and the refracting mirror is fixed in the middle of the focus adjustment block; an adjustment ring with a threaded structure is arranged at the bottom of the light guide tube, and the focus adjustment block is adjusted through the screw thread. Ring fixed connection.

As a further improvement of the present invention, a plurality of drainage holes are arranged in the spherical center of the reflecting plate corresponding to the peripheral position of the light collecting mirror; and a heat insulating layer is arranged between the heat collecting cylinder and the inner wall of the connecting cylinder.

As a further improvement of the present invention, the light-transmitting hole of the heat collecting cylinder is filled with a light-guiding rod made of a light-guiding material.

As a further improvement of the present invention, a light-shielding sleeve is arranged at the bottom of the light-guiding tube, a light-shielding tube corresponding to the aforementioned light-shielding sleeve is inlaid at the end of the connecting tube, and one end of the light-shielding tube is pressed against the On the end of the heat collecting cylinder, the other end of the shading cylinder is inserted into the shading sleeve.

As a further improvement of the present invention, a one-way light-transmitting plate with a light-guiding direction from the light collecting mirror to the light collecting mirror is also fixed on the top of the light guide tube.

The beneficial effects of the present invention are:

1) The present invention realizes the collection of sunlight in some low-intensity positions through a concentrating panel type solar light concentrating structure, and compared with the traditional pot type solar water heater, the heating mechanism of this structure is installed in the pot type The bottom of the condenser plate reduces the weight load of the condenser plate and improves the stability.

2) Compared with the traditional pot type solar water heater and collector tube type water heater, the structure of the present invention realizes the built-in water heater, and will not cause damage to the related water heater due to extreme weather, thereby bringing danger, and also Reduces the possibility of water heater wear and aging and improves durability.

3) Drainage holes can realize the drainage and ash removal of the concentrating plate, and prevent the concentrating plate from accumulating dust or water, which affects the normal concentrating and heating.

4) The condensing mirror can not only realize the initial concentration of light and reduce the size of the condensing mirror, but also the convex arc surface can facilitate the discharge of dust and accumulated water.

5) The heat insulating layer can realize the heat preservation of the heat collecting cylinder.

6) The light guide rod realizes the filling of the central cavity of the annular heat collecting cylinder, so that the middle of the annular heat collecting cylinder will not affect the illumination due to factors such as dust.

7) The focus adjustment block can realize the adjustment of the final focus position of the sunlight, and the concave lens can prevent the sunlight from focusing on one point and cause the local temperature to be too high.

8) One-way light-transmitting plate can ensure one-way illumination of light.

9) The shading cover can ensure the efficiency of light transmission, and can prevent the influence of extra dust or water vapor on the light path.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic diagram of a heating assembly;

FIG. 2 is a schematic diagram of a light concentrating assembly.

In the figure: 1. Connecting tube; 2. Heat collecting tube; 3. Insulation layer; 4. Light guide rod; 5. Shading tube; 6. Drain pipe; 7. Water inlet pipe; 8. Flange A; 9. Method Lan B; 10, condenser plate; 11, reflector; 12, condenser mirror; 13, light condenser; 14, drainage hole; 15, light guide tube; 16, condenser mirror; 17, one-way light transmission plate; 18, Refractor; 19, shading cover.

Detailed ways

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

The present invention is a dimming type solar water heater, which mainly includes a concentrating component and a heating component, wherein as shown in FIG. The condensing plate includes a spherical reflector, the surface of the reflector is coated with a reflective layer, and a reflector is connected to the emission plate through a bracket, and the reflector is located at the center of the spherical reflector; the The condensing lens assembly includes a light collecting tube fixed in the middle of the spherical surface of the reflecting plate, a light collecting mirror is arranged at one end of the light collecting tube, the light collecting mirror is located on the side of the light collecting plate where the reflective layer is arranged, and the other side of the light collecting tube is located. One end is provided with a said light-condensing assembly, and the light-concentrating assembly includes a light-guiding cylinder installed in the light-concentrating cylinder, the light-guiding cylinder and the light-concentrating cylinder are connected by threads, and are sequentially arranged in the light-guiding cylinder There are one-way light-transmitting plate, light-condensing mirror, and refracting mirror. The one-way light-transmitting plate is located at the end of the light guide tube facing the light collecting mirror. The refracting mirror is fixed on a focus adjustment block, and a threaded structure is arranged at the bottom of the light guide tube. The adjusting ring, the focus adjusting block is fixedly connected with the adjusting ring through a thread; wherein the condensing mirror and the condensing lens are convex lenses, the refracting mirror is a concave lens, and the surface of the reflecting mirror is a concave spherical surface;

A number of drainage holes are arranged in the center of the spherical surface of the reflecting plate corresponding to the peripheral positions of the light collecting mirror.

As shown in Fig. 1, the heating assembly includes a connecting cylinder fixedly connected with the aforementioned light guide cylinder, a heat collecting cylinder with an annular cross-section is arranged in the connecting cylinder, and the heat collecting cylinder and the inner wall of the connecting cylinder are arranged between the heat collecting cylinder and the inner wall of the connecting cylinder. A thermal insulation layer of foam material is provided, an annular heat collecting cavity is arranged in the heat collecting cylinder, and in the annular middle of the heat collecting cylinder is a light-transmitting hole corresponding to the aforementioned light-guiding cylinder. The hole is filled with a light guide rod made of light guide material. The heat collecting cylinder is made of glass as a whole. The scattered sunlight is irradiated on the annular inner wall of the heat collecting cylinder, and at the same time, the sunlight reciprocates on the inner wall of the light transmission hole. It is reflected in a wave shape, and the infrared rays in the sunlight heat the water in the heat collecting cavity.

The sunlight shines on the reflector, and is collected on the reflector through the spherically mounted reflector, then reflected and collected by the concave spherical surface of the reflector, and then the light is collected through the concentrator, and finally focused to the refractor through the condenser On the top, the focused sunlight is scattered into the light-transmitting hole through the refractor, and the sunlight in the light-transmitting hole is scattered and irradiated on the annular inner wall of the heat collecting cylinder through the light guide rod, and the infrared rays in the sunlight affect the heat collecting cavity The water inside is heated.

At the same time, a flange B is also provided at the end of the light guide cylinder, and a flange A is provided at the end of the connecting cylinder, and the flange A and the flange B are fixedly connected by screws.

The technical progress of this product includes:

1. The present invention realizes the collection of sunlight in some low-intensity positions through a concentrating panel-type solar light concentrating structure, and compared with the traditional pot-type solar water heater, the heating mechanism of this structure is installed in the pot-type solar water heater. The bottom of the condenser plate reduces the weight load of the condenser plate and improves the stability.

2. Compared with the traditional pot type solar water heater and collector tube type water heater, the structure of the present invention realizes the built-in water heater, and will not cause damage to the related water heater due to extreme weather, thereby bringing danger, and at the same time. Reduces the possibility of water heater wear and aging and improves durability.

3. The drainage holes can realize the drainage and ash removal of the concentrator, and prevent the concentrator from accumulating dust or water, which affects the normal concentrating and heating.

4. The condensing mirror can not only realize the initial concentration of light and reduce the size of the condensing mirror, but also the convex arc surface can facilitate the discharge of dust and accumulated water.

5. The thermal insulation layer can realize the thermal insulation of the heat collecting cylinder.

6. The light guide rod realizes the filling of the central cavity of the annular heat collecting cylinder, so that the middle of the annular heat collecting cylinder will not affect the illumination due to factors such as dust.

7. The focus adjustment block can realize the adjustment of the final focus position of the sunlight, and the concave lens can prevent the sunlight from focusing on one point and cause the local temperature to be too high.

8. The one-way light-transmitting plate can ensure one-way illumination of light.

9. The shading cover can ensure the efficiency of light transmission, and can prevent the influence of additional dust or water vapor on the light path.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (5)

1. A dimming type solar water heater is characterized in that: comprising a light-concentrating component and a heating component, the light-concentrating component comprises a light-gathering plate, wherein the light-gathering plate comprises a spherical reflection plate, and a reflective plate is arranged on the surface of the reflection plate layer, a reflector is connected on the condensing plate through a bracket, and the reflector is located at the spherical center of the spherical reflector; a light collecting tube is arranged on the spherical center of the One end of the tube is provided with a light collecting mirror, the light collecting mirror is located on the side of the light collecting plate where the reflective layer is arranged, the other end of the light collecting tube is provided with a said light collecting component, and the light collecting component also includes a mounting In the light guide tube in the light guide tube, a condenser lens is arranged in the light guide tube, and a refracting mirror is also arranged in the light guide tube; wherein the collector mirror and the condenser lens are convex lenses, the refracting mirror is a concave lens, and the reflective lens is a concave lens. The mirror surface is a concave spherical surface; the heating assembly includes a connecting tube fixedly connected with the aforementioned light guide tube, a heat collecting tube with an annular cross-section is arranged in the connecting tube, and an annular heat collecting tube is arranged in the heat collecting tube. The heat collecting cavity has a light-transmitting hole in the ring-shaped middle of the heat-collecting cylinder. The heat-collecting cylinder is made of light-transmitting material. A drain pipe is arranged at the top of the heat-collecting cylinder and a The water inlet pipe; the sunlight shines on the reflector, and is collected on the reflector through the spherically mounted reflector, then reflected and collected by the concave spherical surface of the reflector, and then the light is collected through the collector, and finally focused by the collector On the refracting mirror, the focused sunlight is scattered into the light-transmitting hole through the refracting mirror, and the sunlight from the light-transmitting hole is scattered on the annular inner wall of the heat collecting cylinder, and the infrared rays in the sunlight are harmful to the heat collecting cavity. The water is heated; a focus adjustment block is also arranged in the light guide tube, and the refracting mirror is fixed in the middle of the focus adjustment block; a threaded adjustment ring is arranged at the bottom of the light guide tube, and the focus The adjusting block is fixedly connected with the adjusting ring through threads. 2. A dimming solar water heater as claimed in claim 1, characterized in that: a plurality of drainage holes are arranged at the peripheral position of the light collecting mirror in the middle of the spherical surface of the reflecting plate; the heat collecting cylinder and the connecting cylinder are An insulating layer is arranged between the inner walls of the . 3 . The dimming solar water heater according to claim 1 , wherein the light-transmitting hole of the heat collecting cylinder is filled with a light-guiding rod made of a light-guiding material. 4 . 4. A dimming solar water heater according to claim 1, wherein a light-shielding sleeve is arranged at the bottom of the light guide tube, and a light-shielding sleeve is inlaid at the end of the connecting tube. For the corresponding shading cylinder, one end of the shading cylinder is pressed against the end of the heat collecting cylinder, and the other end of the shading cylinder is inserted into the shading sleeve. 5 . The dimming solar water heater according to claim 1 , wherein a unidirectional light-transmitting plate with a light-guiding direction from the condensing mirror to the condensing mirror is fixed on the top of the light-guiding tube. 6 .

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