CN216080444U

CN216080444U - Convex lens light-gathering component and solar light-gathering heat collector

Info

Publication number: CN216080444U
Application number: CN202121619664.8U
Authority: CN
Inventors: 王金圣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-03-18
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a convex lens light-gathering component and a solar light-gathering heat collector, wherein the convex lens light-gathering component provided by the utility model intensively irradiates scattered light onto a metal heating plate through a plurality of convex lenses densely distributed on a substrate, the metal heating plate converts light energy into heat radiation to heat air in a shell cover, and heat exchange is realized through a surface air cooler in the shell cover; in addition, in order to solve the problems that the sunlight irradiation angle changes in one day, the position of the convex lens is fixed, and the light condensing capacity fluctuates greatly along with the change of the sunlight irradiation angle, so that the heat collecting capacity of the equipment is unstable.

Description

Convex lens light-gathering component and solar light-gathering heat collector

Technical Field

The utility model relates to a convex lens light-gathering component and a solar light-gathering heat collector.

Background

A solar collector is a device that converts radiant energy of the sun into thermal energy. Since solar energy is relatively dispersed and must be concentrated, collectors are a key part of various solar energy utilization devices. Although solar collectors are not end products directed toward consumers, solar collectors are key components that make up various solar thermal utilization systems. The solar energy heat collector can be used as the power or core component of the system regardless of solar water heater, solar cooker, active solar house, solar greenhouse, solar drying, solar industrial heating, solar energy power generation and the like.

Disclosure of Invention

The utility model aims to provide a convex lens light-gathering component and a solar light-gathering heat collector, wherein the convex lens light-gathering component is novel light-gathering equipment used in the solar heat collector, and the utility model also designs the novel solar light-gathering heat collector on the basis of the equipment.

The technical scheme adopted by the utility model is as follows: a convex lens light-gathering component comprises a substrate, wherein a plurality of convex lenses are densely distributed on the substrate, and light enters from one side of the substrate and is converged by the convex lenses and then irradiates to a light-gathering side.

In a preferred embodiment, the substrate is a flat plate, a plurality of convex lenses with the same focal length are mounted on the substrate, and the focal points of the convex lenses on the substrate are located on the same plane, which is parallel to the substrate.

In a preferred embodiment, the substrate is a non-planar substrate, and has at least two mounting surfaces which are not in the same plane, each mounting surface is provided with a plurality of convex lenses, and the focal lengths of the convex lenses on the same mounting surface are the same; the primary optical axes of the convex lenses on different mounting surfaces intersect in space. For example, the side surface of the substrate is in a trapezoid shape and consists of a horizontal top plate in the middle and inclined plane plates at two sides; for another example, the base plate is a flat-top pyramid-shaped housing, which is composed of a middle horizontal top plate and a plurality of inclined plates arranged around the horizontal top plate. The substrate is any one of a glass plate, an aluminum alloy plate, an iron plate and a stainless steel plate.

A solar energy light-gathering heat collector comprises any one of the convex lens light-gathering components; still including the glass housing that can the printing opacity, convex lens spotlight subassembly sets up inside the housing, and convex lens's spotlight side is equipped with the metal and generates heat the board, and near the metal generates heat the board and is equipped with the surface cooler. Preferably, the shape of the metal heating plate is the same as that of the substrate, and the metal heating plate is any one of an aluminum alloy plate, an iron plate and a stainless steel plate.

Furthermore, the surface cooler is located the metal inboard that generates heat, is half surrounded or is fully surrounded by the metal board that generates heat. The specific structure of the surface cooler comprises a heat exchange tube support, heat exchange tubes, a water supply collecting tube and a water return collecting tube, wherein a plurality of S-shaped bent heat exchange tubes are arranged in the heat exchange tube support; and liquid heat exchange refrigerants with lower temperature enter from the water supply collecting pipe, flow through each elongated heat exchange pipe, exchange heat with hot air in the shell, increase the temperature, and then flow out from the water supply collecting pipe.

The utility model has the beneficial effects that: the convex lens light-gathering component provided by the utility model intensively irradiates scattered light onto the metal heating plate through the plurality of convex lenses densely distributed on the substrate, the metal heating plate converts light energy into heat radiation to heat air in the shell cover, and heat exchange is realized through the surface air cooler in the shell cover. In addition, in order to solve the problems that the sunlight irradiation angle changes in one day, the position of the convex lens is fixed, and the light condensing capacity fluctuates greatly along with the change of the sunlight irradiation angle, so that the heat collecting capacity of the equipment is unstable.

Drawings

Fig. 1 is a front perspective view of embodiment 1 of the present invention.

Fig. 2 is a schematic rear perspective view of embodiment 1 of the present invention.

Fig. 3 is a schematic perspective view of a surface cooler in embodiment 1 of the present invention.

Fig. 4 is a schematic perspective view of embodiment 2 of the present invention.

Fig. 5 is a schematic perspective view of a surface cooler in embodiment 2 of the present invention.

Fig. 6 is a schematic perspective view of embodiment 3 of the present invention.

Fig. 7 is a schematic perspective view of an internal structure of embodiment 3 of the present invention.

Fig. 8 is a schematic bottom perspective view of embodiment 3 of the present invention.

In the figure: the solar heat collector comprises a shell cover 1, a light-gathering component 2, a substrate 201, a convex lens 202, a metal heating plate 3, a communication hole 301, a surface air cooler 4, a heat exchange tube support 401, a heat exchange tube 402, a water supply header 403, a water return header 404, a base 5, a side plug-in unit 6, a supporting leg 7, a pressure release valve 8 and a ventilation device 9.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 3, a solar concentrating collector includes a rectangular casing 1, and the casing 1 is made of high-white transparent glass; or the top surface, the front surface, the left surface and the right surface are made of light-transmitting glass, and the back plate and the bottom plate are made of light-proof materials such as stainless steel; sunlight can enter the shell cover 1 through the light-transmitting surface and irradiate on the light-gathering component 2; in the embodiment, the light condensing assembly 2 is arranged in parallel with the front of the shell cover 1, the light condensing assembly 2 comprises a rectangular substrate 201, a plurality of convex lenses 202 are densely distributed on the substrate 201, sunlight is incident on the convex lenses 202, the convex lenses 202 irradiate condensed light onto a metal heating plate 3 which is arranged in parallel with the lenses, and the metal heating plate 3 converts solar energy into heat radiation to heat air in the shell cover 1; in the embodiment, the metal heating plate 3 is arranged behind the light condensing assembly 2 in parallel, and the distance between the metal heating plate 3 and the light condensing assembly 2 is equal to the focal length of the convex lens 202; the metal heating plate 3 can be made of aluminum alloy plate, iron plate, stainless steel plate, etc. The substrate 201 may be made of a glass plate, an aluminum alloy plate, an iron plate, a stainless steel plate, or the like.

In this embodiment, the light focusing assembly 2 and the metal heating plate 3 are installed in the housing 1 by installing stainless steel bases 5 on both sides of the bottom plate of the housing 1, installing stainless steel side inserts 6 on the left and right sides of the housing 1, and inserting and fixing the light focusing assembly 2 and the metal heating plate 3 in the housing 1.

A surface air cooler 4 is further arranged in the shell cover 1 and behind the metal heating plate 3, as shown in fig. 2 and 3, the surface air cooler 4 comprises a heat exchange tube support 401, heat exchange tubes 402, a water supply header 403 and a water return header 404, the heat exchange tube support 401 is a rectangular frame in the embodiment, a plurality of S-shaped bent heat exchange tubes 402 are arranged in the heat exchange tube support 401, water inlet ports of the heat exchange tubes 402 are connected with the water supply header 403, and water outlet ports of the heat exchange tubes 402 are connected with the water return header 404; the liquid heat exchange refrigerant with a lower temperature enters from the water supply header 403, flows through each of the elongated heat exchange tubes 402 to exchange heat with the hot air in the housing 1, has an increased temperature, and then flows out from the water supply header 403.

The sunlight irradiation angle changes in one day, the position of the convex lens 202 in the embodiment 1 is fixed, and the light condensing capacity fluctuates greatly along with the change of the sunlight irradiation angle, so that the heat collecting capacity of the device is unstable.

Example 2

Referring to fig. 4, a solar concentrating collector comprises a trapezoidal housing 1, wherein a trapezoidal transparent glass cover is mounted on a bottom plate of the housing 1; a light-gathering component 2 with a trapezoidal side surface is arranged in the shell cover 1; in this embodiment, the light condensing assembly 2 includes a substrate 201 whose side is trapezoidal, the substrate 201 is composed of a middle horizontal top plate and two side inclined plates, a plurality of convex lenses 202 are densely distributed on the horizontal top plate and the two side inclined plates, one surface of each of the convex lenses 202 on three surfaces can be adapted to the sunlight irradiation angle (adapted to the running track of the sun when installed), a metal heating plate 3 whose side is trapezoidal is arranged inside the substrate 201, the metal heating plate 3 is also composed of a middle horizontal top plate and two side inclined plates, and the focuses of the convex lenses 202 on three panels of the substrate 201 are located on the three surfaces of the corresponding metal heating plate 3; the metal heating plate 3 is internally provided with a surface air cooler 4, and the surface air cooler 4 is surrounded by the metal heating plate 3.

As shown in fig. 5, the surface cooler 4 includes a heat exchange tube support 401, a heat exchange tube 402, a water supply header 403 and a water return header 404, in this embodiment, the heat exchange tube support 401 is a shell with trapezoidal side surfaces, and is composed of a front trapezoidal side plate, a rear trapezoidal side plate and a plurality of middle connecting plates, a ventilation hole is formed on the heat exchange tube support 401, the heat exchange tube 402 is horizontally installed in the heat exchange tube support 401, the heat exchange tube 402 is S-shaped, U-shaped bends at the front end and the rear end penetrate through the front trapezoidal side plate and the rear trapezoidal side plate to be fixed, a water inlet port of the heat exchange tube 402 is connected with the water supply header 403, and a water outlet port of the heat exchange tube 402 is connected with the water return header 404.

Example 3

Referring to fig. 6 and 7, a solar concentrating collector includes a flat-top pyramid-shaped housing 1, more specifically, a flat-top pyramid-shaped housing in the present embodiment; a flat-top pyramid-shaped light-gathering component 2 with the same shape as the shell 1 is arranged in the shell 1; the light-gathering component 2 comprises a substrate 201, the substrate 201 consists of a horizontal top plate and a plurality of inclined plane plates in the middle, a plurality of convex lenses 202 are densely distributed on the horizontal top plate and the inclined plane plates, a closed space is formed on the inner side of the substrate 201, a flat-top pyramid-shaped metal heating plate 3 with the same shape as the shell cover 1 is arranged, and the focus of the convex lens 202 on the substrate 201 is positioned on the metal heating plate 3; the metal heating plate 3 is internally provided with a surface air cooler 4, and the surface air cooler 4 is surrounded by the metal heating plate 3. In addition, the surface of the metal heating plate 3 is provided with communication holes 301 for communicating the inside and the outside of the metal heating plate 3 for air circulation.

As shown in fig. 8, in this embodiment, the water supply header 403 and the water return header 404 of the surface cooler 4 penetrate out of the bottom plate of the casing 1, and the four corners of the bottom plate of the casing 1 are provided with the support feet 7 so that the whole equipment can be lifted off the ground.

According to a further detailed design, a pressure release valve 8 is further arranged on the water return header 404 in the device, and when the pressure in the circulating pipeline of the surface cooler 4 exceeds the rated pressure of the pressure release valve 8, the pressure release is opened, so that the circulating pipeline is prevented from being damaged; as shown in fig. 2, a ventilation device 9 may be added to the housing cover 1 to replace the air in the housing cover 1. Breather 9 is used for the great equipment of size, when the maintainer need get into the maintenance, need earlier get into again after taking a breath through breather 9, guarantees maintainer's personal safety.

Further, the solar water heating equipment which is universal in the existing market converts the conventional solar radiation energy into heat energy, has low conversion rate and large floor area, and has great requirements on house bearing.

The solar light-gathering heat-collecting water heater of the utility model utilizes the convex lens principle, accelerates the conversion speed of solar radiation energy, improves the conversion rate, strengthens the heat conversion of the solar radiation energy, ensures that when small-sized equipment has sufficient light, the temperature of a light-gathering point reaches 500 plus 1000 ℃ or higher, at least more than 100 high-temperature light hot points are arranged when the convex lenses arranged in a matrix type operate, and simultaneously, the light is directly irradiated on a metal heating plate (generally adopting an alloy material with a graphene coating) with the size of one square meter, so that sufficient heat is provided for the conversion heat of a surface cooler for use, and the real-time outlet water temperature of the equipment is up to more than 90 ℃. Because the thermal efficiency of the equipment is higher, the requirement on the volume size of the equipment is very low, and the heating requirement of the building can be met only by using 3 to 4 percent of the floor area of the heating building; because the equipment volume is on the small side, so the water storage capacity of real-time operation in the equipment is less, can not consider the bearing problem of building, and the outer glass that the equipment adopted is eight millimeters to ten millimeters thickness on average, and the inside subassembly is whole to be metal assembly, greatly reduced the later maintenance of equipment, the whole cost of equipment only uses 1/3 of original solar heating equipment, great reduction the cost of plant use.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A convex lens light-gathering component comprises a substrate (201), wherein a plurality of convex lenses (202) are densely distributed on the substrate (201), and light enters from one side of the substrate (201) and is converged by the convex lenses (202) and then irradiates to a light-gathering side; the method is characterized in that: the substrate (201) is a non-planar plate and is provided with at least two mounting surfaces which are not in the same plane, each mounting surface is provided with a plurality of convex lenses (202), and the focal lengths of the convex lenses (202) on the same mounting surface are the same; the primary optical axes of the convex lenses (202) on different mounting surfaces are crossed in space.

2. The convex lens condenser assembly of claim 1, wherein: the side surface of the base plate (201) is trapezoidal and consists of a horizontal top plate in the middle and inclined plane plates at two sides.

3. The convex lens condenser assembly of claim 1, wherein: the base plate (201) is a flat-top pyramid-shaped shell and consists of a middle horizontal top plate and a plurality of inclined plane plates arranged around the horizontal top plate.

4. A convex lens concentrator assembly according to any one of claims 1 to 3, wherein: the substrate (201) is any one of a glass plate, an aluminum alloy plate, an iron plate and a stainless steel plate.

5. A solar energy light-focusing heat collector is characterized in that: comprising the convex lens light-gathering component of any one of claims 1-3; the solar energy collecting device is characterized by further comprising a transparent glass shell cover (1), the convex lens light collecting assembly is arranged inside the shell cover (1), a metal heating plate (3) is arranged on the light collecting side of the convex lens (202), and a surface air cooler (4) is arranged nearby the metal heating plate (3).

6. The solar concentrating collector of claim 5, wherein: the shape of the metal heating plate (3) is the same as that of the base plate (201), and the metal heating plate (3) is any one of an aluminum alloy plate, an iron plate and a stainless steel plate.

7. The solar concentrating collector of claim 6 wherein: the surface cooler (4) is positioned on the inner side of the metal heating plate (3) and is semi-surrounded or fully surrounded by the metal heating plate (3).

8. The solar concentrating collector of claim 7 wherein: the surface cooler (4) comprises a heat exchange tube (402) support (401), a heat exchange tube (402), a water supply header (403) and a water return header (404), wherein a plurality of S-shaped bent heat exchange tubes (402) are arranged in the heat exchange tube (402) support (401), water inlet ports of the heat exchange tubes (402) are connected with the water supply header (403), and water outlet ports of the heat exchange tubes (402) are connected with the water return header (404); liquid heat exchange refrigerant with lower temperature enters from the water supply header (403), flows through each elongated heat exchange tube (402) to exchange heat with hot air in the shell cover (1), has increased temperature, and then flows out from the water supply header (403).