CN112082273A - High-efficient CPC heat collector - Google Patents

Abstract

The invention discloses a high-efficiency CPC heat collector, which comprises a frame body; a header is arranged above the frame body, and a tail seat is arranged below the frame body; a plurality of heating pipes are uniformly distributed between the header and the tail seat in the frame body; the heating pipe supports fixedly through the mount, and the below of heating pipe all is equipped with the CPC reflector panel. The header consists of a header bottom plate, a header cover plate and a header side plate; the header bottom plate and the header cover plate are clamped, and the header side plates are fixed on two sides of the header bottom plate through bolts; and a copper flow pipeline is arranged in the header. The heating pipe comprises an aluminum heat pipe and a vacuum pipe; the aluminum heat pipe is internally embedded in the vacuum pipe; the upper end of the aluminum heat pipe is embedded in the interface groove of the copper flow pipeline, and a pipe opening sealing plug is arranged between the aluminum heat pipe and the upper end of the vacuum pipe. Compared with the prior art, the invention has the beneficial effects that: the light-gathering effect is good, the heat-collecting area can be effectively increased, and the heat loss in the heat transfer process is reduced.

Description

High-efficient CPC heat collector

Technical Field

The invention relates to the field of heat collectors, in particular to a high-efficiency CPC 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. Due to different purposes, the heat collectors and the types of systems matched with the heat collectors are classified into a plurality of types and names, such as solar cookers for cooking, solar water heaters for producing hot water, solar dryers for drying articles, solar furnaces for melting metal, solar houses, solar thermal power stations, solar seawater desalinizers and the like.

Therefore, the application of the solar heat collector is quite wide at present, but the traditional solar heat collector has the problems of low reflectivity and poor heat collecting function, so that the working efficiency is greatly reduced.

Disclosure of Invention

The invention provides a high-efficiency CPC heat collector which is characterized by good light condensation effect, capability of effectively improving heat collection area and reducing heat loss in the heat transfer process.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency CPC heat collector comprises a frame body; a header is arranged above the frame body, and a tail seat is arranged below the frame body; a plurality of heating pipes are uniformly distributed between the header and the tail seat in the frame body; the heating pipe supports fixedly through the mount, and the below of heating pipe all is equipped with the CPC reflector panel.

The header consists of a header bottom plate, a header cover plate and a header side plate; the header bottom plate and the header cover plate are clamped, and the header side plates are fixed on two sides of the header bottom plate through bolts; and a copper flow pipeline is arranged in the header.

The heating pipe comprises an aluminum heat pipe and a vacuum pipe; the aluminum heat pipe is internally embedded in the vacuum pipe; the upper end of the aluminum heat pipe is embedded in the interface groove of the copper flow pipeline, and a pipe opening sealing plug is arranged between the aluminum heat pipe and the upper end of the vacuum pipe.

And optimally, a rock wool heat preservation pipe is arranged outside the copper flow pipeline.

Preferably, fins are arranged between the aluminum heat pipe and the vacuum pipe.

Preferably, a dustproof ring is arranged at the joint of the heating pipe and the header.

Preferably, the CPC reflector and the heating tube are in a concentric structure.

Preferably, joints communicated with the copper flow pipeline are arranged on two sides of the header side plate.

As optimization, one side of the header is provided with a nameplate, and the other side of the header is provided with a trademark.

As optimization, the two sides of the frame body are provided with hoisting belts.

As optimization, the lower extreme of heating pipe passes through the tailstock card and inlays on the tailstock, and the bottom of tailstock is equipped with the rubber stopper pad.

Preferably, the aluminum heat pipe is made of rare earth aluminum alloy, and the copper flow pipeline is made of red copper.

Compared with the prior art, the invention has the following beneficial effects: the CPC heat collector adopts the compound parabolic condenser to condense solar radiation light according to a certain condensation ratio, so that the effective heat collection area is greatly increased; the vacuum tube has excellent heat insulation performance, and the heat loss of the heat collector is greatly reduced; the structural design of the heating pipe is optimized, and compared with the traditional copper water heat pipe, the heat transfer capacity is stronger, the performance in a full working temperature area is stable, and the heat transfer capacity of the heat collector is greatly improved.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is an enlarged view of the X portion of fig. 3.

Fig. 5 is an enlarged view of a portion Y of fig. 3.

The device comprises a frame body 1, a heating pipe 2, a header 3, a nameplate 4, a trademark 5, a CPC reflector 6, a connector 7, a fixing frame 8, a hoisting belt 9, a header side plate 10, a connector groove 11, a header bottom plate 12, a header cover plate 13, a rock wool heat-insulating pipe 14, a copper flow pipeline 15, a pipe orifice sealing plug 16, a dust ring 17, an aluminothermic pipe 18, a fin 19, a vacuum pipe 20, a rubber plug pad 21, a tailstock 22 and a tailstock 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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.

A high-efficient CPC heat collector which characterized in that: comprises a frame body 1; the header 3 is arranged above the frame body 1, and the tail seat 22 is arranged below the frame body; a plurality of heating pipes 2 are uniformly distributed between the header 3 and the tail seat 22 in the frame body 1; the heating pipe 2 is supported and fixed through a fixing frame 8, and a CPC (compound parabolic concentrator) reflector 6 is arranged below the heating pipe 2. The CPC reflector 6 and the heating pipe 2 are in concentric structure.

The CPC reflector plate adopts a compound parabolic cylinder reflection principle to collect light in 360 degrees, and the heat efficiency is improved by 15 percent. The CPC reflector has double cambered surfaces, the camber lines of the two cambered surfaces are involute curves of the cross section circle of the heating pipe 2, the light of each point on the double cambered surfaces can be reflected to the heating pipe 2 according to the optical principle, the CPC reflector can realize 360-degree lighting no matter in sunny days or cloudy days, the light condensation efficiency is high, the reflectivity is high, and the heat loss of the whole machine is small; especially in rainy days, the CPC reflector plate can focus the scattered sunlight in the air and reflect the scattered sunlight to the surface of the true-hole tube, so that the heat collection efficiency is improved. Compared with a common heat collector, the CPC heat collector can obtain more energy in spring, autumn and winter, and can safely and reliably supply hot water all year round no matter whether the weather is cloudy or the temperature is below zero ℃.

The CPC reflector is simple to install, attractive and elegant in appearance, the floating dust coefficient is quite small after special treatment of a ceramic mirror surface, and rainwater can be automatically cleaned in rainy days. The absorptivity and reflectivity are ensured all the year round. CPC reflector plate is made of high-precision alloy material, the surface layer is ceramic layer with high reflectivity, the edge of CPC reflector plate is pressed directly without connecting angle and pressing angle; CPC reflector is formed by pressing the whole plate, and has good strength; the cambered surfaces of the multiple groups of structures which are adjacent in pairs can be made into split bodies and then assembled, so that the universality is strong, and the packaging and transportation are convenient.

And a dustproof ring 17 is arranged at the joint of the upper end of the heating pipe 2 and the header 3. The lower end of the heating pipe 2 is embedded on the tailstock 22 through a tailstock 23, and a rubber plug pad 21 is arranged at the bottom end of the tailstock 22.

The installation mode of the heating pipe 2 is more simple and convenient to answer, the quick installation can be realized through the clamping and embedding, and the installation efficiency and the maintenance efficiency are greatly improved.

The header 3 consists of a header bottom plate 12, a header cover plate 13 and a header side plate 10; the header bottom plate 12 and the header cover plate 13 are clamped, and the header side plates 10 are fixed on two sides of the header bottom plate through bolts; and a copper flow pipeline 15 is arranged in the header 3. And a rock wool heat-insulating pipe 14 is arranged outside the copper flow pipeline 15.

The heating pipe 2 comprises an aluminum heat pipe 18 and a vacuum pipe 20; the aluminum heat pipe 18 is embedded in the vacuum pipe 20; fins 19 are arranged between the aluminum heat pipe 18 and the vacuum pipe 20. The upper end of the aluminum heat pipe 18 is embedded in the interface groove 11 of the copper flow pipeline 15, and a pipe opening sealing plug 16 is arranged between the aluminum heat pipe 18 and the upper end of the vacuum pipe 20.

And joints 7 communicated with the copper flow pipeline 15 are arranged on two sides of the header side plate 10.

One side of the header 3 is provided with a nameplate 4, and the other side is provided with a trademark 5.

And hoisting belts 9 are arranged on two sides of the frame body 1.

The aluminum heat pipe 18 is made of a rare earth aluminum alloy, and the copper flow pipe 15 is made of red copper.

The working principle is as follows:

sunlight passes through the heating pipe 2 and is projected on the CPC reflector panel 6, the CPC reflector panel 6 absorbs solar radiation energy and converts the solar radiation energy into heat energy, a working medium filled in the middle of the aluminum heat pipe 18 in the heating pipe 2 is heated, the working medium is vaporized and transmits the heat energy to the top end of the aluminum heat pipe 18 and a heating heat transfer medium (usually water) in the copper flow pipeline 15 for heat exchange, and meanwhile, the working medium is condensed and flows back to the lower end (heating end) of the aluminum heat pipe 18, so that the circulation is continuous.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A high-efficient CPC heat collector which characterized in that: comprises a frame body (1); a header (3) is arranged above the frame body (1), and a tail seat (22) is arranged below the frame body; a plurality of heating pipes (2) are uniformly distributed between the header (3) and the tail seat (22) in the frame body (1); the heating pipe (2) is supported and fixed through a fixing frame (8), and CPC (compound parabolic concentrator) reflector plates (6) are arranged below the heating pipe (2);

the header (3) consists of a header bottom plate (12), a header cover plate (13) and a header side plate (10); the header bottom plate (12) is clamped with the header cover plate (13), and the header side plates (10) are fixed on two sides of the header bottom plate through bolts; a copper flow pipeline (15) is arranged in the header (3);

the heating pipe (2) comprises an aluminum heat pipe (18) and a vacuum pipe (20); the aluminum heat pipe (18) is embedded in the vacuum pipe (20); the upper end of the aluminum heat pipe (18) is embedded in the connector groove (11) of the copper flow pipeline (15), and a pipe opening sealing plug (16) is arranged between the upper ends of the aluminum heat pipe (18) and the vacuum pipe (20).

2. The high-efficiency CPC heat collector according to claim 1, wherein: and a rock wool heat-insulating pipe (14) is arranged outside the copper flow pipeline (15).

3. The high-efficiency CPC heat collector according to claim 1, wherein: and a fin (19) is arranged between the aluminum heat pipe (18) and the vacuum pipe (20).

4. The high-efficiency CPC heat collector according to claim 1, wherein: and a dustproof ring (17) is arranged at the joint of the heating pipe (2) and the header (3).

5. The high-efficiency CPC heat collector according to claim 1, wherein: the CPC reflector (6) and the heating pipe (2) are in concentric structure.

6. The high-efficiency CPC heat collector according to claim 1, wherein: and joints (7) communicated with the copper flow pipelines (15) are arranged on two sides of the header side plate (10).

7. The high-efficiency CPC heat collector according to claim 1, wherein: one side of the header (3) is provided with a nameplate (4), and the other side is provided with a trademark (5).

8. The high-efficiency CPC heat collector according to claim 1, wherein: and hoisting belts (9) are arranged on two sides of the frame body (1).

9. The high-efficiency CPC heat collector according to claim 1, wherein: the lower end of the heating pipe (2) is embedded on the tailstock (22) through a tailstock (23), and a rubber plug pad (21) is arranged at the bottom end of the tailstock (22).

10. The high-efficiency CPC heat collector according to claim 1, wherein: the aluminum heat pipe (18) is made of rare earth aluminum alloy, and the copper flow pipeline (15) is made of red copper.

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