阅读说明：本技术 一种一体式双流道太阳能导流管 (Integrated double-flow-channel solar flow guide pipe ) 是由 种衍启 种阳 于 2021-05-12 设计创作，主要内容包括：本发明涉及太阳能光热利用技术领域,提供了一种一体式双流道太阳能导流管,包括管体,管体内设有沿其长度方向延伸的导热管,导热管上下两侧管壁均与管体为一体式成型结构；导热管将管体的内腔分隔为上流道和下流道,导热管的内部空腔为导热室,导热室与上流道和下流道完全隔离；导热管的左右两侧壁中,至少有一个是与管体直接相连的外壁,外壁上开设有多个沿其长度方向排列的超导热管插孔。本发明提供的一体式双流道太阳能导流管,由于其采用了一体式成型结构,免除了焊接工序,降低了制造及维护成本,并且其采用了直通式的导热室,增加了导热面积,降低了导热介质的流通阻力,提高了热传递的效率。(The invention relates to the technical field of solar photo-thermal utilization, and provides an integrated double-flow-passage solar flow guide pipe which comprises a pipe body, wherein a heat conduction pipe extending along the length direction of the pipe body is arranged in the pipe body, and pipe walls on the upper side and the lower side of the heat conduction pipe and the pipe body are of an integrated forming structure; the heat conduction pipe divides the inner cavity of the pipe body into an upper flow passage and a lower flow passage, the inner cavity of the heat conduction pipe is a heat conduction chamber, and the heat conduction chamber is completely isolated from the upper flow passage and the lower flow passage; at least one of the left side wall and the right side wall of the heat conduction pipe is an outer wall directly connected with the pipe body, and a plurality of superconducting heat pipe jacks arranged along the length direction of the outer wall are formed in the outer wall. The integrated double-channel solar flow guide pipe provided by the invention has the advantages that the integrated forming structure is adopted, the welding process is omitted, the manufacturing and maintenance cost is reduced, the straight-through heat conduction chamber is adopted, the heat conduction area is increased, the circulation resistance of a heat conduction medium is reduced, and the heat transfer efficiency is improved.)

1. The utility model provides an integral type double-flow-passage solar energy honeycomb duct, includes the body, its characterized in that: a heat conduction pipe extending along the length direction of the pipe body is arranged in the pipe body, and the upper pipe wall and the lower pipe wall of the heat conduction pipe are of an integral forming structure with the pipe body;

the heat conduction pipe divides the inner cavity of the pipe body into an upper flow passage and a lower flow passage, the inner cavity of the heat conduction pipe is a heat conduction chamber, and the heat conduction chamber is completely isolated from the upper flow passage and the lower flow passage;

at least one of the left side wall and the right side wall of the heat conduction pipe is an outer wall directly connected with the pipe body, and a plurality of superconducting heat pipe jacks arranged along the length direction of the outer wall are formed in the outer wall.

2. The integrated dual-flow-passage solar flow guide of claim 1, wherein: the upper side wall and the lower side wall of the heat conducting pipe comprise a main pipe wall and a transition pipe wall, and the two transition pipe walls are of an outward turning structure and form a horn mouth structure with a wide outer part and a narrow inner part.

3. The integrated dual-flow-passage solar flow guide of claim 2, wherein: the main pipe wall is provided with a plurality of mounting grooves extending along the width direction of the main pipe, and the notches of the mounting grooves correspond to the positions of the insertion holes of the superconducting heat pipes.

4. The integrated dual-flow-passage solar flow guide of claim 3, wherein: the mounting groove is formed by deforming the main pipe wall through an extrusion forming process, and the section of the mounting groove is of an arc-shaped or V-shaped or polygonal structure.

5. The integrated dual-flow-passage solar flow guide of claim 4, wherein: the pipe body and the heat conduction pipe are made of an integrally formed aluminum alloy material.

6. The integrated dual-flow-passage solar flow guide of any of claims 1 to 5, wherein: the left and right side walls of the heat conduction pipe are the outer walls.

7. The integrated dual-flow-passage solar flow guide of claim 6, wherein: at least one of the outer wall and the tube body is of an integral forming structure.

8. The integrated dual-flow-passage solar flow guide of any of claims 1-5, wherein: one of the left side wall and the right side wall of the heat conduction pipe is an outer wall, and the other one of the left side wall and the right side wall of the heat conduction pipe is an inner wall;

the inner wall is located the inboard of body and through the heat-conducting plate with the body integral type connection shaping.

9. The integrated dual-flow-passage solar flow guide of any of claims 1 to 5, wherein: and heat-conducting fins are arranged on the pipe body corresponding to the positions of the jacks of the superconducting heat pipe.

10. The integrated dual-flow-passage solar flow guide of claim 1, wherein: the main body part of the pipe body is of a square structure, and two ends of the pipe body are gradually transited into a round structure.

Technical Field

The invention relates to the technical field of solar photo-thermal utilization, in particular to an integrated double-flow-channel solar flow guide pipe.

Background

At present, the heat collection mode of the superconducting heat pipe solar photo-thermal system is that a vacuum pipe absorbs heat and transfers the heat to a flow guide pipe through the superconducting heat pipe, and media such as water in the flow guide pipe are rapidly heated through rapid heating of the superconducting heat pipe, so that photo-thermal conversion is rapidly realized.

In the prior art, the flow guide pipe is of a tubular structure, a pipe sleeve is punched on a flow guide pipe body and penetrates into a heat conduction chamber of the superconducting heat pipe to serve as the heat conduction chamber, and then a flow passage of the flow guide pipe is completely sealed and isolated from the heat conduction chamber after welding.

Disclosure of Invention

The invention aims to provide an integrated double-channel solar guide pipe which is low in manufacturing cost and high in heat transfer efficiency.

The invention is realized in such a way that the integrated double-flow-passage solar flow guide pipe comprises a pipe body, wherein a heat conduction pipe extending along the length direction of the pipe body is arranged in the pipe body, and the pipe walls on the upper side and the lower side of the heat conduction pipe are of an integrated forming structure with the pipe body;

the heat conduction pipe divides the inner cavity of the pipe body into an upper flow passage and a lower flow passage, the inner cavity of the heat conduction pipe is a heat conduction chamber, and the heat conduction chamber is completely isolated from the upper flow passage and the lower flow passage;

at least one of the left side wall and the right side wall of the heat conduction pipe is an outer wall directly connected with the pipe body, and a plurality of superconducting heat pipe jacks arranged along the length direction of the outer wall are formed in the outer wall.

As an improved scheme, the upper side pipe wall and the lower side pipe wall of the heat conduction pipe comprise a main pipe wall and a transition pipe wall, and the two transition pipe walls are of an outwards-turned structure and form a horn mouth structure with a wide outer part and a narrow inner part together.

As an improved scheme, a plurality of mounting grooves extending along the width direction of the main pipe are arranged on the wall of the main pipe, and notches of the mounting grooves correspond to the positions of the insertion holes of the superconducting heat pipes.

As an improved scheme, the mounting groove is formed by deforming the main pipe wall through an extrusion forming process, and the section of the mounting groove is of an arc-shaped or V-shaped or polygonal structure.

As an improved scheme, the pipe body and the heat conduction pipe are made of an aluminum alloy material which is integrally formed.

As an improved scheme, the left side wall and the right side wall of the heat conduction pipe are both the outer walls.

As an improved scheme, at least one outer wall and the pipe body are of an integrated forming structure.

As an improved scheme, one of the left side wall and the right side wall of the heat conduction pipe is an outer wall, and the other is an inner wall;

the inner wall is located the inboard of body and through the heat-conducting plate with the body integral type connection shaping.

As an improved scheme, heat conducting fins are arranged on the pipe body at positions corresponding to the insertion holes of the superconducting heat pipe.

As an improved scheme, the main body part of the pipe body is of a square structure, and the two ends of the main body part gradually transit into a round structure.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

the integrated double-channel solar flow guide pipe provided by the invention has the advantages that as the heat conduction pipe which is integrally formed with the pipe body is arranged in the pipe body, at least one side wall of the left side wall and the right side wall of the pipe body is directly connected with the pipe body, and the inner cavity of the pipe body is isolated into the heat conduction chamber and the channel which are isolated from each other, the pipe body and the heat conduction pipe can be directly and integrally formed by workers, then the openings at the two ends of the heat conduction pipe are sealed and plugged, and the corresponding position on the outer wall is provided with the superconducting heat pipe jack, so that the process of welding the pipe sleeve is omitted, the manufacturing efficiency of the integrated double-channel solar flow guide pipe is improved, the manufacturing cost is reduced, the natural isolation between the heat conduction chamber and the channel is realized, the heat conduction medium in the channel is prevented from leaking into the heat conduction chamber, the maintenance cost is reduced, the service life of the integrated double-channel solar flow guide pipe is prolonged, and the flow resistance of the heat conduction medium is also reduced due to the adoption of the straight-through type heat conduction chamber, the heat-conducting medium can be heated up quickly, and the heat exchange efficiency is improved.

The inner cavity of the tube body is isolated into an upper flow passage and a lower flow passage through the heat conduction pipe, so that the double-flow passage circulation of a heat conduction medium in the integrated double-flow passage solar diversion tube can be realized, the heat conduction medium in the two flow passages can be simultaneously heated by the superconducting heat pipe, and the heat transfer efficiency is accelerated; when the two flow passages are communicated through the pipe plug, the heat-conducting medium can be circulated between the two flow passages, and the flow speed of the heat-conducting medium is accelerated; when the lower ends of the two flow channels are sealed through the pipe seals, the heat-conducting media in the two flow channels can independently and circularly flow; when the lower ends of the two runners are communicated with the external pipeline through the pipe joint, the integrated double-runner solar guide pipe has pressure bearing capacity, hot water pressure is ensured, and the use experience of a user is improved.

The transition pipe wall is arranged to be of an outward-turning structure, and a horn-shaped structure with wide outside and narrow inside is formed together, so that the superconducting heat pipe can be conveniently installed and removed, and the extrusion forming of the installation groove is facilitated, so that the structure of the pipe body is prevented from being influenced by the structural change in the deformation process of the main pipe wall.

The wall of the main pipe is provided with a plurality of mounting grooves extending along the width direction of the main pipe, and the notches of the mounting grooves correspond to the positions of the insertion holes of the superconducting heat pipe, so that the heat conduction area between the superconducting heat pipe and the heat conduction pipe can be increased, and the heat transfer efficiency is improved.

The mounting groove is formed after the main pipe wall is deformed through an extrusion forming process, so that the forming efficiency of the mounting groove can be improved, and the integral isolation structure of the heat conducting pipe is ensured.

The cross-section of mounting groove is arc or V-arrangement or polygon structure, then can effectively increase the heat exchange area of heat pipe and superconductive heat pipe, and after the heat-conducting medium in the runner was heated and is heated up, the wall of being responsible for can produce the deformation towards superconductive heat pipe, and then hugs closely superconductive heat pipe, plays the effect of fixed superconductive heat pipe.

The integrally formed pipe body and the heat conducting pipe made of the aluminum alloy material are adopted, so that the material cost can be reduced on the premise of ensuring the heat transfer efficiency, the integrally forming process is convenient to realize, and the manufacturing cost is reduced.

The left side wall and the right side wall of the heat conduction pipe are both arranged as the outer walls, so that the insertion of the double-side superconducting heat pipes of the integrated double-flow-channel solar flow guide pipe can be realized, and the heat transfer efficiency can be greatly improved.

At least one outer wall and the pipe body are of an integrated forming structure, so that the integrated forming process of the integrated double-flow-channel solar flow guide pipe can be conveniently realized, the use of materials and the installation or welding procedures can be reduced, and the manufacturing cost is reduced.

In the left and right sides wall of heat pipe, with wherein setting up one as the outer wall, another is the inner wall, the inner wall is located the inboard of body and is connected with the body integral type through the heat-conducting plate, can make this integral type double-flow-passage solar honeycomb duct be applicable to the application of unilateral intubate to can also reduce the use of material, reduce manufacturing cost.

The heat conduction fins are arranged on the pipe body corresponding to the positions of the insertion holes of the superconducting heat pipe, so that the heat conduction fins can directly absorb heat from the vacuum pipe and directly transmit the heat to the inside of the pipe body, heat conduction media in the upper flow channel and the lower flow channel are directly heated, and the heat transmission efficiency is further improved.

The main body part of the pipe body is set to be of a square structure, and two ends of the pipe body are gradually transited to be of a round structure, so that the two ends of the integrated double-runner solar guide pipe and an external device or part can be conveniently installed, the sealing performance of the integrated double-runner solar guide pipe is ensured, the total capacity of an upper runner and a lower runner can be ensured, and the heat transfer efficiency is ensured.

The integrated double-channel solar flow guide pipe provided by the invention has the advantages that the integrated forming structure is adopted, the welding process is omitted, the manufacturing and maintenance cost is reduced, the straight-through heat conduction chamber is adopted, the heat conduction area is increased, the circulation resistance of a heat conduction medium is reduced, and the heat transfer efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art solar draft tube;

FIG. 2 is a front view of the draft tube of FIG. 1;

FIG. 3 is an enlarged cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural diagram of an integrated dual-flow-channel solar flow guide pipe according to an embodiment of the present invention;

FIG. 5 is a front view of the integrated dual flow passage solar nozzle of FIG. 4;

FIG. 6 is an enlarged cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a schematic structural diagram of a heat pipe according to an embodiment of the present invention;

FIG. 8 is a front view of the heat conductive pipe shown in FIG. 7;

FIG. 9 is a cross-sectional view taken in the direction of C-C in FIG. 8;

fig. 10 is a schematic view illustrating the relative positions of the tube bodies and the heat conduction pipes of the integrated dual-flow solar honeycomb duct according to the second embodiment of the present invention;

wherein: a 1-tube body, a 2-tube sleeve, a 3-welding seam, a 4-flow channel, 1 a-tube body, 2-heat conduction tube, 21-outer wall, 22-superconducting heat pipe jack, 23-main tube wall, 24-transition tube wall, 25-installation groove, 26-inner wall, 27-heat conduction plate, 31-upper flow channel, 32-lower flow channel, 4-heat conduction chamber and 5-heat conduction fin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the prior art, as shown in fig. 1 to 3, the flow guide tube is a tubular structure, a hole is drilled in a tube body 1 of the flow guide tube and penetrates a tube sleeve a2 to serve as a heat conduction chamber of the superconducting heat pipe, then the tube sleeve a2 is welded to a corresponding position of a tube body a1 (for easy understanding, a welding seam a3 is marked in the figure), and a flow channel a4 of the flow guide tube is completely sealed and isolated from the heat conduction chamber after welding.

The invention provides an integrated double-flow-channel solar flow guide pipe which comprises a pipe body, wherein a heat conduction pipe extending along the length direction of the pipe body is arranged in the pipe body, and the upper side pipe wall and the lower side pipe wall of the heat conduction pipe are of an integrated forming structure with the pipe body; the heat conduction pipe divides the inner cavity of the pipe body into an upper flow passage and a lower flow passage, the inner cavity of the heat conduction pipe is a heat conduction chamber, and the heat conduction chamber is completely isolated from the upper flow passage and the lower flow passage; at least one of the left side wall and the right side wall of the heat conduction pipe is an outer wall directly connected with the pipe body, and a plurality of superconducting heat pipe jacks arranged along the length direction of the outer wall are formed in the outer wall.

The first embodiment is as follows:

fig. 4 to fig. 6 collectively show a structural schematic view of an integrated dual-channel solar energy guide pipe provided in an embodiment of the present invention, and for convenience of description, only the structural parts related to the present invention are provided in the present drawings. The end of the integrated double-flow-channel solar guide pipe is viewed from the front as a left side view, and the vertical and horizontal directions of the left side view are taken as the vertical and horizontal directions of the following embodiments.

The integrated double-channel solar flow guide pipe comprises a pipe body 1a, wherein a heat conduction pipe 2 extending along the length direction of the pipe body 1a is arranged in the pipe body 1a, and pipe walls on the upper side and the lower side of the heat conduction pipe 2 and the pipe body 1 are of an integrated forming structure; the heat conduction pipe 2 divides the inner cavity of the pipe body 1 into an upper flow passage 31 and a lower flow passage 32, the inner cavity of the heat conduction pipe 2 is a heat conduction chamber 4, and the heat conduction chamber 4 is completely isolated from the upper flow passage 31 and the lower flow passage 32; at least one of the left and right side walls of the heat conducting pipe 2 is an outer wall 21 directly connected with the pipe body 1a, and the outer wall 21 is provided with a plurality of superconducting heat pipe insertion holes 22 arranged along the length direction thereof for inserting superconducting heat pipes for heat transfer and heating heat conducting media in the upper flow passage 31 and the lower flow passage 32; after the structure is adopted, the pipe body 1a and the heat conduction pipe 2 can be directly and integrally formed by workers, then the openings at the two ends of the heat conduction pipe 2 are sealed and plugged, the corresponding positions on the shared side walls of the heat conduction pipe 2 and the pipe body 1a are provided with the superconducting heat pipe jacks 22, the process of welding the pipe sleeve a2 is omitted, the manufacturing efficiency of the integrated double-flow-channel solar energy guide pipe is improved, the manufacturing cost is reduced, the natural isolation among the heat conduction chamber 4, the upper flow channel 31 and the lower flow channel 32 is realized, the heat conduction medium in the upper flow channel and the lower flow channel is prevented from leaking into the heat conduction chamber 4, the maintenance cost is reduced, the service life of the integrated double-flow-channel solar energy guide pipe is prolonged, and the direct-through heat conduction chamber 4 is adopted, the circulation resistance of the heat conduction medium is also reduced, so that the heat conduction medium can be rapidly heated, and the heat exchange efficiency is improved.

In this embodiment, the inner cavity of the tube body is separated into the upper flow channel 31 and the lower flow channel 32 by the heat pipe 2, so that the double-flow channel circulation of the heat-conducting medium in the integrated double-flow channel solar diversion tube can be realized, the heat-conducting medium in the two flow channels can be heated by the superconducting heat pipe at the same time, and the heat transfer efficiency is accelerated; when the two flow passages are communicated through the pipe plug, the heat-conducting medium can be circulated between the two flow passages, and the flow speed of the heat-conducting medium is accelerated; when the lower ends of the two flow channels are sealed through the pipe seals, the heat-conducting media in the two flow channels can independently and circularly flow; when the lower ends of the two runners are communicated with an external pipeline through the pipe joint, the integrated double-runner solar guide pipe has pressure bearing capacity, hot water pressure is ensured, and the use experience of a user is improved.

In this embodiment, the upper and lower pipe walls of the heat pipe 2 include the main pipe wall 23 and the transition pipe walls 24, and the two transition pipe walls 24 are of an outward-turning structure and form a bell-mouth structure with a wide outside and a narrow inside together, which is convenient for the installation and removal of the super heat pipe and is also beneficial for the extrusion forming of the installation groove 25, so as to prevent the structural change of the main pipe wall 23 during the deformation process from affecting the structure of the pipe body 1 a.

In this embodiment, as shown in fig. 7 to 9, a plurality of mounting grooves 25 extending in the width direction of the heat conductive pipe 2 are provided, and the notches of the mounting grooves 25 are positioned to correspond to the positions of the superconducting heat pipe insertion holes 22, so that the heat conductive area between the superconducting heat pipe and the heat conductive pipe 2 can be increased, and the heat transfer efficiency can be improved.

In this embodiment, the installation groove 25 is formed by deforming the main pipe wall 23 by an extrusion molding process, so that the molding efficiency of the installation groove 25 can be improved, and the overall isolation structure of the heat transfer pipe 2 can be ensured.

In this embodiment, the cross section of the mounting groove 25 is an arc-shaped or V-shaped or polygonal structure (shown as an arc-shaped structure), so that the heat exchange area between the heat pipe 2 and the superconducting heat pipe can be effectively increased, and after the heat-conducting medium in the upper flow channel 31 and the lower flow channel 32 is heated and heated, the heat pipe 2 can deform toward the superconducting heat pipe, and further cling to the superconducting heat pipe, thereby fixing the superconducting heat pipe.

In this embodiment, the integrally formed tube body 1a and the heat pipe 2 made of an aluminum alloy material are adopted, so that the material cost can be reduced on the premise of ensuring the heat transfer efficiency, the integrally forming process can be conveniently realized, and the manufacturing cost can be reduced.

In this embodiment, the left and right side walls of the heat pipe 2 are both set as the outer walls 21, so that the insertion of the superconducting heat pipes on both sides of the integrated double-channel solar honeycomb duct can be realized, and the heat transfer efficiency can be greatly improved.

In this embodiment, at least one outer wall 21 and the tube body 1a are an integral molding structure, which is convenient for the integral molding process of the integral double-channel solar energy guide tube, and can reduce the use of materials and the installation or welding procedures, and reduce the manufacturing cost;

wherein, when one outer wall is integrally formed with the tube body 1a, the other outer wall 21 is fixed on the tube body 1a by welding or mounting; of course, the most preferable scheme is that the two outer walls 21 and the pipe body 1a are integrally formed, so that the pipe body 1a and the whole heat-conducting pipe 2 can be directly formed at one time in the forming process, the installation or welding process of the outer walls 21 is omitted, the manufacturing efficiency of the integrated double-flow-channel solar flow guide pipe is greatly improved, and the manufacturing cost is reduced.

Example two:

the integrated double-channel solar energy flow guide pipe provided by the embodiment has the same structure as the first embodiment, and the differences are as follows:

as shown in fig. 10, one of the two side walls of the heat conducting pipes 2 is an outer wall 21, and the other is an inner wall 26, and the inner wall 26 is located inside the pipe body 1a and integrally connected with the pipe body 1a through a heat conducting plate 27, so that the integrated dual-channel solar honeycomb duct is suitable for single-side pipe insertion, and the material usage and the manufacturing cost can be reduced;

in this embodiment, the outer wall 21, the inner wall 26 and the heat conducting plate 27 are all integrally formed with the tube body, so that the tube body 1 and the whole heat conducting tube 2 can be completely formed by an integral forming process, the installation or welding process of the outer wall 21 is omitted, the manufacturing efficiency of the integrated double-channel solar flow guide tube is greatly improved, and the manufacturing cost is reduced.

In the above embodiment, the heat conducting fins 5 are disposed on the tube body 1a at positions corresponding to the superconducting heat pipe insertion holes 22 (for convenience of description, the heat conducting fins 5 are only shown in fig. 10), so that the heat conducting fins 5 can directly absorb heat from the vacuum tube and directly transfer the heat to the interior of the tube body 1a, and thus the heat conducting media in the upper flow passage 31 and the lower flow passage 32 are directly heated, and the heat transfer efficiency is further improved.

In the above embodiment, the main body of the tube body 1a is configured as a square structure, and the two ends thereof are gradually transited to a circular structure, so that the installation of the two ends of the integrated dual-flow-channel solar honeycomb duct and an external device or component is facilitated, the sealing performance is ensured, the total capacity of the upper flow channel 31 and the lower flow channel 32 is ensured, and the heat transfer efficiency is ensured.

The integrated double-channel solar flow guide pipe provided by the invention has the advantages that the integrated forming structure is adopted, the welding process is omitted, the manufacturing and maintenance cost is reduced, the straight-through heat conduction chamber is adopted, the heat conduction area is increased, the circulation resistance of a heat conduction medium is reduced, and the heat transfer efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.