CN218269625U - All-glass CPC light-concentrating heat pipe type heat collecting pipe - Google Patents
All-glass CPC light-concentrating heat pipe type heat collecting pipe Download PDFInfo
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- CN218269625U CN218269625U CN202221593815.1U CN202221593815U CN218269625U CN 218269625 U CN218269625 U CN 218269625U CN 202221593815 U CN202221593815 U CN 202221593815U CN 218269625 U CN218269625 U CN 218269625U
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Abstract
The utility model discloses a full-glass CPC concentrating heat pipe type heat collecting pipe, which comprises a glass outer pipe and a glass heat pipe, wherein the glass heat pipe comprises an evaporation section and a condensation section which are arranged from top to bottom; the outer surface of the evaporation section of the glass heat pipe is provided with a heat absorption film layer; the glass outer tube comprises a light transmitting surface and a compound parabolic light-gathering surface, the compound parabolic light-gathering surface is arranged at the bottom of the glass outer tube, the light transmitting surface is arranged at the upper part of the compound parabolic light-gathering surface, and a reflecting film layer is arranged on the compound parabolic light-gathering surface; the outer lower part of the outer glass tube is attached with a reflecting plate, and the central part of the reflecting plate is matched with the light-gathering surface of the compound paraboloid of the outer glass tube. This device simple structure assembles and dismantles the convenience, and the reflector panel is fixed on solar collector's support, because the reflector panel has compound parabolic spotlight portion, has compound parabolic spotlight face on the glass outer tube, consequently can install the location fast to the reflector panel is fixed firm after the installation. And high heat collection temperature and heat collection efficiency are realized.
Description
Technical Field
The utility model relates to a solar thermal energy utilizes technical field, specifically is a full glass CPC spotlight type heat pipe formula thermal-collecting tube.
Background
The all-glass heat pipe evacuated collector tube is used as a core element of a solar water heater, is used for providing domestic hot water with the temperature lower than 100 ℃, and is the key for improving the thermal performance and the product competitiveness of the solar water heater.
The traditional vacuum heat collecting pipe adopts a structure of vacuumizing between double-layer glass, the sections of the inner glass and the outer glass are both circular, and the outer surface of the inner glass pipe is plated with a heat absorption coating to improve the solar radiation absorption rate. However, the existing all-glass vacuum heat collecting tube still has the problem of low heat efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a full glass CPC spotlight type heat pipe formula thermal-collecting tube that the thermal efficiency is high to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a full-glass CPC light-concentrating heat pipe type heat collecting pipe is characterized by comprising a glass outer pipe and a glass heat pipe, wherein the glass heat pipe comprises an evaporation section and a condensation section which are arranged up and down;
the outer surface of the evaporation section of the glass heat pipe is provided with a heat absorption film layer;
the outer glass tube comprises a light-transmitting surface and a compound parabolic light-focusing surface, the compound parabolic light-focusing surface is arranged at the bottom of the outer glass tube, the light-transmitting surface is arranged at the upper part of the compound parabolic light-focusing surface, and a reflecting film layer is arranged on the compound parabolic light-focusing surface;
the outer lower part of the outer glass tube is attached with a reflecting plate, and the central part of the reflecting plate is matched with the light-gathering surface of the compound paraboloid of the outer glass tube.
The reflecting film layer is any one of the reflecting film layers disclosed in the prior art and suitable for the heat pipe, and the reflecting film layer can be a coating film, a sticking film or other similar modes.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, the printing opacity face of glass outer tube is the arc surface structure, compound parabolic condensing surface is W type spotlight structure.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, the surface or the internal surface at compound parabolic focal plane are established to the reflection rete.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, the reflector panel is equipped with compound parabolic spotlight portion, and compound parabolic spotlight portion coincide with the compound parabolic spotlight face of glass outer tube, and the reflector panel constitutes continuous complete CPC reflecting structure together with the compound parabolic spotlight face of glass outer tube.
The utility model discloses the technical problem that solve can also be realized through following technical scheme, the reflector panel includes compound parabolic spotlight portion, even has the wing of reflecting light in the both sides of compound parabolic spotlight portion.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, reflection of light wing and compound parabolic spotlight portion integrated into one piece constitute.
The utility model discloses the technical problem that will solve can also be realized through following technical scheme, the glass heat pipe is full glass heat pipe, and the heat absorption rete is established on the evaporation zone surface, and inside is equipped with heat transfer medium.
Compared with the prior art, the utility model discloses the glass outer tube of heat pipe has compound parabolic focal plane to be equipped with the reflection rete on the compound parabolic focal plane, can reflect the sunlight to the glass heat pipe on.
The outer of the outer glass tube is provided with a reflector, the middle part of the reflector is matched with the compound parabolic light-gathering surface of the outer glass tube, and thus the reflector and the compound parabolic light-gathering surface of the outer glass tube form a continuous and complete CPC light-reflecting structure together. The sunlight is further condensed through the reflecting wings of the reflecting plate and the light condensing surface of the compound paraboloid of the outer glass tube, so that the light condensing ratio is improved, and higher heat collecting temperature and heat collecting efficiency are realized.
In addition, the device is simple in structure and convenient to assemble and disassemble, the reflector is fixed on the support of the solar thermal collector, and the reflector is provided with the compound parabolic light-gathering part and the compound parabolic light-gathering surface on the outer glass tube, so that the device can be quickly installed and positioned, and the reflector is fixed and stable after installation.
Drawings
FIG. 1 is a schematic cross-sectional view of the present apparatus;
FIG. 2 is a schematic view of a glass heat pipe vacuum heat collecting pipe;
FIG. 3 is a schematic view of the installation of a glass heat pipe evacuated collector tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a full glass CPC spotlight type heat pipe formula thermal-collecting tube, includes glass outer tube 1 and glass heat pipe 2, and glass outer tube 1 and glass heat pipe 2 all adopt borosilicate glass 3.3.
The glass heat pipe 2 is a full glass heat pipe, and comprises an evaporation section and a condensation section which are arranged up and down, wherein the evaporation section extends into the glass outer pipe 1, the opening at the upper end of the glass outer pipe 1 is in seamless fixed connection with the glass heat pipe 2, a vacuum interlayer is formed between the glass heat pipe 2 and the glass outer pipe 1, and a support piece 6 and a getter 7 for supporting the glass heat pipe 2 are arranged at the lower end in the glass outer pipe 1.
The outer surface of the evaporation section of the glass heat pipe 2 is provided with a heat absorption film layer 3, a heat transfer medium is arranged in the heat absorption film layer, and the heat absorption film layer is a selective heat absorption film layer.
The outer glass tube 1 comprises a light-transmitting surface 1-1 and a compound parabolic light-focusing surface 1-2, the compound parabolic light-focusing surface 1-2 is arranged at the bottom of the outer glass tube 1, the light-transmitting surface 1-1 is arranged at the upper part of the compound parabolic light-focusing surface 1-2, and a reflecting film layer 5 is arranged on the compound parabolic light-focusing surface 1-2; the reflecting film layer 5 is any one of reflecting film layers 5 disclosed in the prior art and suitable for the heat pipe, and the reflecting film layer 5 may be a coating film, a sticking film or other similar manners.
The light-transmitting surface 1-1 of the outer glass tube 1 is of an arc surface structure, and the light-gathering surface 1-2 of the compound paraboloid is of a W-shaped light-gathering structure. The reflecting film layer 5 is arranged on the outer surface or the inner surface of the compound parabolic light-gathering surface 1-2.
The outer lower part of the outer glass tube 1 is attached with a reflector 4, and the central part of the reflector 4 is matched with the light-gathering surface 1-2 of the compound paraboloid of the outer glass tube 1. The reflector 4 is provided with a compound parabolic light-gathering part which is matched with the compound parabolic light-gathering surface 1-2 of the outer glass tube 1, and the reflector 4 and the compound parabolic light-gathering surface 1-2 of the outer glass tube 1 form a continuous and complete CPC light-reflecting structure together.
The reflecting plate 4 comprises a compound parabolic light-gathering part, and two sides of the compound parabolic light-gathering part are connected with reflecting wings. The reflecting wing and the light-gathering part of the compound paraboloid are integrally formed, and can also be formed by a plurality of pieces.
The fabrication of the heat pipe is the same as the fabrication methods disclosed in the prior art. Because the outer glass tube 1 of the heat pipe is provided with the compound parabolic light-gathering surface 1-2, and the compound parabolic light-gathering surface 1-2 is provided with the reflecting film layer 5, sunlight can be reflected to the heat pipe 2.
The outer of the glass outer tube 1 is provided with a reflector 4, the middle part of the reflector 4 is matched with the compound parabolic light-gathering surface 1-2 of the glass outer tube 1, so that the reflector 4 and the compound parabolic light-gathering surface 1-2 of the glass outer tube 1 form a continuous and complete CPC light-reflecting structure together. The sunlight is further condensed through the reflecting wings of the reflecting plate 4 and the compound parabolic light-condensing surface 1-2 of the glass outer tube 1, so that the light-condensing ratio is improved, and higher heat collection temperature and heat collection efficiency are realized.
In addition, the device is simple in structure and convenient to assemble and disassemble, the reflecting plate 4 is fixed on a support of the solar thermal collector, the reflecting plate 4 is provided with the compound parabolic light-gathering part, and the compound parabolic light-gathering surface 1-2 is arranged on the outer glass tube 1, so that the device can be quickly installed and positioned, and the reflecting plate 4 is fixed and stable after being installed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a full glass CPC spotlight type heat pipe formula thermal-collecting tube which characterized in that:
the glass heat pipe comprises an outer glass pipe and a glass heat pipe, wherein the glass heat pipe comprises an evaporation section and a condensation section which are arranged up and down, the evaporation section extends into the outer glass pipe, an opening at the upper end of the outer glass pipe is fixedly connected with the glass heat pipe in a seamless mode, and a vacuum interlayer is formed between the glass heat pipe and the outer glass pipe;
the outer surface of the evaporation section of the glass heat pipe is provided with a heat absorption film layer;
the outer glass tube comprises a light-transmitting surface and a compound parabolic light-focusing surface, the compound parabolic light-focusing surface is arranged at the bottom of the outer glass tube, the light-transmitting surface is arranged at the upper part of the compound parabolic light-focusing surface, and a reflecting film layer is arranged on the compound parabolic light-focusing surface;
the outer lower part of the outer glass tube is attached with a reflecting plate, and the central part of the reflecting plate is matched with the light-gathering surface of the compound paraboloid of the outer glass tube.
2. An all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 1, wherein: the light-transmitting surface of the glass outer tube is of an arc surface structure, and the light-gathering surface of the compound paraboloid is of a W-shaped light-gathering structure.
3. An all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 1, wherein: the reflecting film layer is arranged on the outer surface or the inner surface of the light-gathering surface of the compound paraboloid.
4. The all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 1, wherein: the reflector is provided with a compound parabolic light-gathering part which is matched with a compound parabolic light-gathering surface of the outer glass tube, and the reflector and the compound parabolic light-gathering surface of the outer glass tube form a continuous and complete CPC light-reflecting structure together.
5. The all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 4, wherein: the reflecting plate comprises a compound parabolic light-gathering part, and two sides of the compound parabolic light-gathering part are connected with reflecting wings.
6. The all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 5, wherein: the reflecting wing and the light-gathering part of the compound paraboloid are integrally formed.
7. The all-glass CPC concentrating heat pipe type heat collecting pipe according to claim 1, wherein: the glass heat pipe is a full-glass heat pipe, the heat absorption film layer is arranged on the outer surface of the evaporation section, and the heat transfer medium is arranged inside the heat absorption film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221593815.1U CN218269625U (en) | 2022-06-24 | 2022-06-24 | All-glass CPC light-concentrating heat pipe type heat collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221593815.1U CN218269625U (en) | 2022-06-24 | 2022-06-24 | All-glass CPC light-concentrating heat pipe type heat collecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218269625U true CN218269625U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221593815.1U Active CN218269625U (en) | 2022-06-24 | 2022-06-24 | All-glass CPC light-concentrating heat pipe type heat collecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218269625U (en) |
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2022
- 2022-06-24 CN CN202221593815.1U patent/CN218269625U/en active Active
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