CN109682092B - A solar water heater with concentrating heat pipe structure - Google Patents

Abstract

The present invention relates to a solar water heater with a condensing heat pipe structure, comprising a condensing assembly and a heating assembly, wherein the condensing assembly includes a condensing plate, wherein the condensing plate includes a spherical reflecting plate, and a reflecting layer is arranged on the surface of the reflecting plate , 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 at the spherical center of the light collecting plate, and one end of the light collecting tube is A light collecting mirror is provided, the light collecting mirror is located on one side of the light collecting plate where the reflection layer is arranged, and a light collecting assembly is arranged on the other end of the reflecting tube, and the light collecting assembly also includes a light guide tube installed in the reflecting tube. A condenser lens is arranged in the light guide tube, and a refracting mirror is also arranged in the light guide tube; the heating assembly includes a heat collector tube fixedly connected with the light guide tube, and an annular array is arranged in the heat collector tube There are several heat collecting tubes, and the heat collecting tubes are connected to an annular water storage tank.

Description

A solar water heater with concentrating heat pipe structure

technical field

The invention relates to a solar water heater with a concentrating heat pipe structure, belonging to the field of solar water heaters.

Background technique

This application is a divisional application of application number 2016110154185, a solar water heater with a concentrating heat pipe structure.

As a recyclable and passive heating method, solar water heaters are widely used in some areas where fuel transportation is not very convenient. In these areas, some pot-type solar water heaters are often used. The efficiency is relatively high, and it is very suitable for use in mountainous areas, but this type of water heater also has many shortcomings. First, this type of water heater generally places a water storage container on the pot-type reflector, and the solar energy temperature after concentrating is high. Not only is it very dangerous to access the water storage container, it is also impossible to provide a real-time supply of hot water.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: the technical problem that the pot type solar water heater cannot realize real-time water supply in the prior art, and a solar water heater with a concentrating heat pipe structure is provided.

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

A solar water heater with a concentrating heat pipe structure includes a concentrating component and a heating component, the concentrating component includes a condensing plate, wherein the condensing plate includes a spherical reflecting plate, a reflective layer is arranged on the surface of the reflecting plate, and the 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 at the center of the spherical surface of the light collecting plate, and one end of the light collecting tube is provided with a 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 light collecting assembly is arranged on the other end of the reflecting tube, and the light collecting assembly also includes a light guide tube installed in the reflecting tube, A condensing mirror is arranged in the light guide tube, and a refracting mirror is also arranged in the light guiding tube; wherein the condensing mirror and the condensing 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 The heating assembly includes a heat collecting cylinder that is fixedly connected with the aforementioned light guide cylinder. A reflective cavity is arranged in the heat collecting cylinder, and a reflective layer is also arranged on the inner wall of the reflective cavity. an optical port, a heat collector tube assembly is arranged in the reflection cavity, the heat collector tube assembly includes a plurality of heat collector tubes fixedly connected by connecting brackets, the heat collector tubes are arranged in an annular array relative to the axis of the heat collector cylinder, and are arranged in the middle of the heat collector tube array There is a cylindrical light-guiding cavity that communicates with the light inlet. The open end of the heat collector is located at the top of the reflection cavity corresponding to the light inlet, and the closed end of the heat collector is at the bottom of the reflection cavity. The top is also provided with an annular water storage tank, the heat collecting pipe is connected to the water storage tank through the open end, and a water inlet pipe and a water outlet pipe are respectively connected to the top of the water storage tank; A number of drainage holes are arranged on the periphery of the light mirror; 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; An annular support ring is arranged on the periphery of the fixing clamp, and the support ring is in contact with the inner wall of the heat collecting cylinder. A support plate is fixed at the bottom of the heat collecting cylinder, and a support plate is fixed on the support plate. A ring-shaped top pressing ring, the top pressing ring realizes the support of the connecting bracket through contact with the support ring; 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 heat collecting tube. A corresponding shading cylinder is sleeved, 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.

As a further improvement of the present invention, an adjusting ring with a threaded structure is provided at the bottom of the light guide cylinder, and the focus adjusting block is fixedly connected to the adjusting ring through threads.

As a further improvement of the present invention, a light guide mirror is also fixed at the position of the light inlet, and the light guide mirror is a convex lens.

As a further improvement of the present invention, the reflective layer is made of polished stainless steel plate.

The beneficial effects of the present invention are:

1. The present invention realizes the mixing of the light collecting plate and the heat collecting tube by improving the traditional pot type solar water heater, so that the structure can realize the cyclic use and cyclic filling of hot water, and the heating mechanism does not need to be removed during use. It is more convenient, and the heat collecting tube of this structure can be embedded in the installation base, which can not only reduce the load burden of the light collecting plate, but also improve the safety of the heat collecting tube.

2. Drainage holes can realize dust removal and drainage, preventing dust and accumulated water from affecting the reflection of the concentrator.

3. 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.

4. The heat collecting tubes are fixed by the array bracket, which is convenient for taking out and putting in the heat collecting tubes uniformly, and the structure uses a support plate to realize the support for the whole heat collecting tube array, which makes the taking out of the heat collecting tube array more convenient.

5. 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.

6. The reflective surface of stainless steel has high hardness, is not easy to corrode, and is relatively simple to manufacture, with good durability.

Description of drawings

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

Fig. 1 is the schematic diagram of light-gathering assembly;

Figure 2 is a schematic diagram of a heating assembly.

In the figure: 1, heat collecting cylinder; 2, heat collecting tube; 3, support ring; 4, support plate; 5, shading cylinder; 6, water storage tank; 7, reflective layer; 8, light guide mirror; 9, flange; 10. Condensing plate; 11. Reflector; 12. Concentrating mirror; 13. Lighting tube; 14. Drainage hole; 15. Light guide tube; 16. Condensing 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.

A solar water heater with a concentrating heat pipe structure, comprising a concentrating component and a heating component;

As shown in Fig. 1, the light-condensing assembly includes a light-gathering plate, wherein the light-gathering plate comprises a spherical reflective plate, a stainless steel reflective layer is arranged on the surface of the reflective plate, and a reflective mirror is connected to the light-gathering plate through a bracket, 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, and the reflecting mirror is located at the spherical center of the spherical reflecting plate; a light collecting tube is arranged in the spherical center of the light collecting plate, One end of the light collecting 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, and a light collecting assembly is arranged on the other end of the reflecting tube, and the light collecting component further includes A light guide tube installed in the reflection 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 condensing mirror and the condenser mirror are convex lenses, and the refracting mirror is a concave lens, The surface of the reflector is a concave spherical surface; a focus adjustment block is also arranged in the light guide tube, the refracting mirror is fixed in the middle of the focus adjustment block, and an adjustment ring with a threaded structure is arranged at the bottom of the light guide tube , the focus adjustment block is fixedly connected with the adjustment ring through a thread;

As shown in FIG. 2 , the heating assembly includes a heat collecting cylinder that is fixedly connected to the aforementioned light guide cylinder. The heat collecting cylinder is provided with a reflective cavity, and the inner wall of the reflective cavity is also provided with a reflective layer. There is a light inlet on the top of the light inlet, and a light guide mirror is fixed at the position of the light inlet. The light guide mirror is a convex lens, and a heat collector tube assembly is arranged in the reflection cavity. It includes a number of heat collecting tubes that are fixedly connected by connecting brackets. The connecting bracket includes two sets of fixed clamps. The heat collecting tubes are fixed on the fixed clamps. An annular support ring is arranged on the periphery of the fixed clamps. The ring is in contact with the inner wall of the heat collecting cylinder, a support plate is fixed at the bottom of the heat collecting cylinder, an annular top pressure ring is fixed on the support plate, and the top pressure ring is connected by contacting the support ring. The support of the bracket; in the middle of the heat collector tube array is a cylindrical light guide cavity that communicates with the light inlet. At the bottom of the cavity, an annular water storage tank is also provided on the top of the reflecting cavity, the heat collecting pipe is connected to the water storage tank through the open end, and a water inlet pipe and a water outlet pipe are respectively connected to the top of the water storage tank. .

The heat collecting tube and the light guide tube are fixedly connected by a flange, a light shielding sleeve is arranged at the bottom of the light guide tube, and a light shielding sleeve corresponding to the aforementioned light shielding sleeve is inlaid at the end of the heat collecting tube 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.

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 other hand, the light beam is injected into the heat collecting tube through the refracting mirror, and at the same time, the light is diffused into the heat collecting tube through the light guide mirror, so that the light irradiates the heat collecting tube repeatedly through the reflective layer on the inner wall of the heat collecting tube, so as to realize the protection of the heat collecting tube. Heating; the cold water in the water storage tank enters from the cold water inlet pipe, and then the cold water in the water storage tank enters the heat collecting pipe, and the cold water is reciprocatingly heated through the heat collecting pipe, and the heated water floats on the top of the water storage tank to realize the heating and cooling of the hot water. supply.

The installation of this structure is also more convenient. First, the opening at the top of the balcony of the roof is used for hanging the heating module, and it is fixed to the roof through the flange, and then the concentrating module is installed on the top of the heating module through the flange. At the same time, the sealing and dust-proof between them should be ensured, so as to ensure the long-term stable use of the overall equipment.

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 (4)

1. A solar water heater with a light-gathering heat pipe structure is characterized in that: the device comprises a light gathering component and a heating component, wherein the light gathering component comprises a light gathering plate, the light gathering 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 gathering plate through a support, and the reflector is positioned at the center of the sphere of the spherical reflecting plate; the light source device comprises a light collecting plate, a reflecting tube, a light guide tube and a light source, wherein the spherical center of the light collecting plate is provided with a light collecting tube, one end of the light collecting tube is provided with a light collecting lens, the light collecting lens is positioned on one surface, provided with a reflecting layer, of the light collecting plate, the other end of the reflecting tube is provided with a light collecting component, the light collecting component also comprises the light guide tube arranged in the reflecting tube, the light collecting lens is arranged in the light guide tube, and the light guide tube is also internally provided with a refractor; wherein the light collecting lens and the condensing lens are convex lenses, the refractor is a concave lens, and the surface of the reflector is an inner concave spherical surface; the heating component comprises a heat collecting cylinder fixedly connected with the light guide cylinder, a reflecting cavity is arranged in the heat collecting cylinder, the inner wall of the reflecting cavity is also provided with a reflecting layer, the top of the reflecting cavity is provided with a light inlet, a heat collecting tube assembly is arranged in the reflecting cavity, the heat collecting tube assembly comprises a plurality of heat collecting tubes which are fixedly connected through a connecting bracket, the heat collecting tubes are arranged in an annular array relative to the axis of the heat collecting cylinder, a columnar light guide cavity communicated with the light inlet is arranged in the middle of the heat collecting tube array, the open end of the heat collecting tube is positioned at the position corresponding to the light inlet at the top of the reflecting cavity, the closed end of the heat collecting tube is positioned at the bottom of the reflecting cavity, the top of the reflecting cavity is also provided with an annular water storage tank, the heat collecting tube is connected to the water storage tank through an opening end, and the top of the water storage tank is also respectively connected with a water inlet tube and a water outlet tube; a plurality of drain holes are formed in the middle of the spherical surface of the reflecting plate and correspond to the periphery of the light collecting mirror; a focusing adjusting block is also arranged in the light guide tube, and the refractor is fixed in the middle of the focusing adjusting block; the connecting support comprises two groups of fixed hoops, an annular supporting ring is arranged on the periphery of each fixed hoop, the supporting rings are in contact with the inner wall of the heat collecting cylinder, a supporting plate is fixed at the bottom of the heat collecting cylinder, an annular jacking ring is fixed on the supporting plate, and the jacking ring is in contact with the supporting rings to support the connecting support; the bottom of the light guide cylinder is provided with a shading sleeve, the end part of the heat collection cylinder is embedded with a shading cylinder corresponding to the shading sleeve, one end of the shading cylinder is pressed against the end part of the heat collection cylinder, and the other end of the shading cylinder is inserted into the shading sleeve.

2. A solar water heater with a heat-collecting pipe structure as claimed in claim 1, wherein: the bottom of the light guide cylinder is provided with an adjusting ring with a threaded structure, and the focusing adjusting block is fixedly connected with the adjusting ring through threads.

3. A solar water heater with a heat-collecting pipe structure as claimed in claim 1, wherein: and a light guide lens is also fixed at the position of the light inlet and is a convex lens.

4. A solar water heater with a heat-collecting pipe structure as claimed in claim 1, wherein: the light reflecting layer is made of a polished stainless steel plate.

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