CN214791971U

CN214791971U - Low-loss flat-plate solar collector

Info

Publication number: CN214791971U
Application number: CN202120875405.5U
Authority: CN
Inventors: 黄可煜; 海涛; 马富杰
Original assignee: Nanning Keyu Energy Technology Co ltd; Guangxi University
Current assignee: Nanning Keyu Energy Technology Co ltd; Guangxi University
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-19
Anticipated expiration: 2031-04-26

Abstract

The utility model particularly discloses a low-loss flat-plate solar collector, which comprises a shell; the shell is provided with high-light-transmission glass; the high-light-transmission glass is fixed on the top of the shell through the fastener; a heat absorption film is arranged inside the shell; the heat absorption film is arranged below the high-light-transmission glass; an inert gas filling chamber is formed among the shell, the high-light-transmittance glass and the heat absorption film; a heat insulation plate is also arranged inside the shell; the heat insulation plate is arranged below the heat absorption film; a heat absorption chamber is formed between the heat insulation plate and the heat absorption film; a heat collecting tube is arranged in the heat absorption chamber; the heat collecting pipe is arranged at the bottom of the heat absorbing film; a polyurethane heat-insulating material filling chamber is formed between the heat-insulating plate and the bottom of the shell. The utility model discloses can effectively reduce the heat loss of heat absorption film, be favorable to the change or the maintenance of other inside components of casing.

Description

Low-loss flat-plate solar collector

Technical Field

The utility model relates to a heat collector technical field, concretely relates to low-loss flat-plate solar collector.

Background

In the field of solar applications, solar collectors are one of the most commonly used devices. 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. The solar heat collector can be used for cooking solar cookers, solar water heaters for generating hot water, solar dryers for drying articles, and the like. Solar collectors are mainly classified into vacuum tube collectors and flat plate collectors. The existing flat-plate solar collector adopts direct connection between pipelines, and the connection mode among all parts is not tight enough, so that the heat loss is too high, and further the heating efficiency is reduced, thereby influencing the normal work of the collector and bringing inconvenience to the daily work of people. Therefore, a low-loss flat-plate solar collector is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The too high defect of heat loss to current flat-plate solar collector existence among the above-mentioned background art, the utility model provides a low-loss flat-plate solar collector is used for overcoming this defect.

A low-loss flat-plate solar collector comprises a shell; the shell is provided with high-light-transmission glass; the high-light-transmission glass is fixed on the top of the shell through the fastener; a heat absorption film is arranged inside the shell; the heat absorption film is arranged below the high-light-transmission glass; an inert gas filling chamber is formed among the shell, the high-light-transmittance glass and the heat absorption film; a heat insulation plate is also arranged inside the shell; the heat insulation plate is arranged below the heat absorption film; a heat absorption chamber is formed between the heat insulation plate and the heat absorption film; a heat collecting tube is arranged in the heat absorption chamber; the heat collecting pipe is arranged at the bottom of the heat absorbing film; a polyurethane heat-insulating material filling chamber is formed between the heat-insulating plate and the bottom of the shell.

Preferably, the shell comprises side plates which are symmetrically arranged; the top of the side plate is provided with a bending piece; a first transverse plate extends from the middle of the side plate; an arc plate is connected between the first transverse plate and the bending piece.

Preferably, the side plates, the bending pieces, the arc plates and the first transverse plate enclose a heat insulation chamber together.

Preferably, the arc plate is provided with a through hole for communicating the heat insulation chamber and the inert gas filling chamber.

As a preferred scheme, the middle part of the bending piece is bent and recessed into the heat insulation chamber to form a clamping groove; and male clamping blocks are arranged at the edges of the clamping grooves.

As a preferred scheme, the male fixture block is of a triangular structure, and one side of the male fixture block is connected with the edge of the high-light-transmission glass in an abutting mode.

As a preferred scheme, a first scarf joint groove is formed in one end, close to the arc plate, of the bending piece; a first sealing rubber strip is embedded in the first scarf joint groove; the first sealing rubber strip is attached to and connected with the lower surface of the high-light-transmission glass.

Preferably, the fastener comprises a second transverse plate; a female clamping block is arranged at one end of the second transverse plate; and one end of the female fixture block, which is close to the second transverse plate, is in line contact with the surface of the bending piece.

Preferably, the female clamping block extends into the clamping groove, and the female clamping block is connected with the male clamping block in a buckling mode.

As a preferred scheme, a second scarf joint groove is formed in one end, far away from the female clamping block, of the second transverse plate; a second sealing rubber strip is embedded in the second scarf joint groove; the second sealing rubber strip is arranged corresponding to the first sealing rubber strip; and the second sealing rubber strip is attached to the upper surface of the high-light-transmission glass.

Has the advantages that: the utility model discloses a high printing opacity glass reduces the loss of sunlight for solar energy maximum amplitude reaches the heat absorption film, and the sunlight gathers the heat in the thermal-collecting tube after the heat absorption film assembles, and wherein, form inert gas between casing, high printing opacity glass and the heat absorption film and fill the room and be used for filling inert gas, can effectively reduce the heat loss of heat absorption film, simultaneously, still be equipped with polyurethane insulation material and fill the room in the heat absorption chamber bottom, and the stopping can further reduce the loss of heat absorption chamber; the buckle piece is arranged, so that the high-light-transmission glass can be conveniently disassembled and assembled, and the replacement or maintenance of other elements in the shell is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial schematic view of the present invention.

In the figure: 1-a shell; 2-high light transmission glass; 3-a fastener; 4-a heat absorbing film; 5-filling the chamber with inert gas; 6-heat collecting pipe; 7-insulating board; 8-a heat absorption chamber; 9-polyurethane heat insulation material filling chamber; 101-side plate; 102-bending piece; 103-arc plate; 104-a first transverse plate; 105-an insulating chamber; 106-a snap groove; 107-male dog; 108-a first scarf groove; 109-a first sealing rubber strip; 110-a via; 301-a second transverse plate; 302-female fixture block; 303-a second scarf groove; 304-second bead of sealant.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "inner", "outer", "near", "far", "one end", "the other end", "between", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a low-loss flat-plate solar collector, which comprises a shell 1; the shell 1 is provided with high-light-transmission glass 2; the high-light-transmission glass 2 is fixed on the top of the shell 1 through a fastener 3; a heat absorption film 4 is arranged inside the shell 1; the heat absorption film 4 is arranged below the high-light-transmission glass 2; an inert gas filling chamber 5 is formed among the shell 1, the high-light-transmittance glass 2 and the heat absorption film 4; a heat insulation plate 7 is also arranged in the shell 1; the heat insulation plate 7 is arranged below the heat absorption film 4; a heat absorption chamber 8 is formed between the heat insulation plate 7 and the heat absorption film 4; a heat collecting pipe 6 is arranged in the heat absorption chamber 8; the heat collecting pipe 6 is arranged at the bottom of the heat absorbing film 4; a polyurethane heat-insulating material filling chamber 9 is formed between the heat-insulating plate 7 and the bottom of the shell 1; the utility model discloses a high printing opacity glass 2 reduces the loss of sunlight for solar energy maximum amplitude reaches heat absorption film 4, and sunlight gathers the heat in thermal-collecting tube 6 after heat absorption film 4 assembles, wherein, form inert gas filling chamber 5 between casing 1, high printing opacity glass 2 and the heat absorption film 4 and be used for filling inert gas, can effectively reduce the heat loss of heat absorption film 4, simultaneously, still be equipped with polyurethane insulation material filling chamber 9 in the bottom of heat absorption chamber 8, and the stopping can further reduce the loss of heat absorption chamber 8; the arrangement of the fastener 3 not only facilitates the disassembly and assembly of the high-light-transmission glass 2, but also facilitates the replacement or maintenance of other elements inside the shell 1.

As shown in fig. 2, in some examples of the present invention, the housing 1 includes symmetrically disposed side plates 101; the top of the side plate 101 is provided with a bending piece 102; a first transverse plate 104 extends from the middle of the side plate 101; an arc plate 103 is connected between the first transverse plate 104 and the bending piece 102; the side plates 101, the bending pieces 102, the arc plates 103 and the first transverse plate 104 jointly enclose a heat insulation chamber 105; the arc plate 103 is provided with a through hole 110 for communicating the heat insulation chamber 105 with the inert gas filling chamber 5; the middle part of the bending piece 102 is bent and recessed into the heat insulation chamber 105 to form a clamping groove 106; a male latch block 107 is arranged at the edge of the fastening groove 106; the male fixture block 107 is in a triangular structure, and one side of the male fixture block 107 is in abutting connection with the edge of the high-light-transmission glass 2; a first scarf joint groove 108 is formed in one end, close to the arc plate 103, of the bending piece 102; a first sealing rubber strip 109 is embedded in the first scarf joint groove 108; the first sealing rubber strip 109 is attached to the lower surface of the high-light-transmittance glass 2; the fastener 3 comprises a second transverse plate 301; a female clamping block 302 is arranged at one end of the second transverse plate 301; one end of the female fixture block 302 close to the second transverse plate 301 is in line contact with the surface of the bending piece 102; the female fixture block 302 extends into the clamping groove 106, and the female fixture block 302 is connected with the male fixture block 107 in a clamping manner; a second scarf joint groove 303 is formed in one end, far away from the female fixture block 302, of the second transverse plate 301; a second sealing rubber strip 304 is embedded in the second scarf joint groove 303; the second sealing rubber strip 304 is arranged corresponding to the first sealing rubber strip 109; the second sealing rubber strip 304 is attached to the upper surface of the high-light-transmittance glass 2; the through hole 110 is used for communicating the heat insulation chamber 105 and the inert gas filling chamber 5, so that the inert gas filled in the inert gas filling chamber 5 enters the heat insulation chamber 105, the heat loss is reduced, the second sealing rubber strip 304 and the first sealing rubber strip 109 can ensure the sealing connection of the high-transmittance glass 2, the inert gas filling chamber 5 is always in a closed state, and the heat loss is reduced under the action of the inert gas.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low-loss flat-plate solar collector which characterized in that: comprises a shell; the shell is provided with high-light-transmission glass; the high-light-transmission glass is fixed on the top of the shell through the fastener; a heat absorption film is arranged inside the shell; the heat absorption film is arranged below the high-light-transmission glass; an inert gas filling chamber is formed among the shell, the high-light-transmittance glass and the heat absorption film; a heat insulation plate is also arranged inside the shell; the heat insulation plate is arranged below the heat absorption film; a heat absorption chamber is formed between the heat insulation plate and the heat absorption film; a heat collecting tube is arranged in the heat absorption chamber; the heat collecting pipe is arranged at the bottom of the heat absorbing film; a polyurethane heat-insulating material filling chamber is formed between the heat-insulating plate and the bottom of the shell.

2. A low-loss flat-plate solar collector according to claim 1, wherein said housing comprises symmetrically arranged side plates; the top of the side plate is provided with a bending piece; a first transverse plate extends from the middle of the side plate; an arc plate is connected between the first transverse plate and the bending piece.

3. The low-loss flat-plate solar collector as claimed in claim 2, wherein the side plates, the bending member, the arc plate and the first cross plate together enclose a heat insulation chamber.

4. A low-loss flat-plate solar collector as claimed in claim 3, wherein the arc plate is provided with a through hole for communicating the heat insulation chamber and the inert gas filling chamber.

5. A low-loss flat-plate solar collector according to claim 4, wherein the middle part of the bending piece is bent to be recessed into the heat insulation chamber to form a fastening groove; and male clamping blocks are arranged at the edges of the clamping grooves.

6. The low-loss flat-plate solar collector as claimed in claim 5, wherein the male clamping block is of a triangular structure, and one side of the male clamping block is connected with the edge of the high-transmittance glass in an abutting mode.

7. A low-loss flat-plate solar collector according to claim 6, wherein one end of the bending piece close to the arc plate is provided with a first scarf joint groove; a first sealing rubber strip is embedded in the first scarf joint groove; the first sealing rubber strip is attached to and connected with the lower surface of the high-light-transmission glass.

8. A low-loss flat-plate solar collector according to claim 7, wherein said fastener comprises a second cross plate; a female clamping block is arranged at one end of the second transverse plate; and one end of the female fixture block, which is close to the second transverse plate, is in line contact with the surface of the bending piece.

9. The low-loss flat-plate solar collector according to claim 8, wherein the female clamping block extends into the clamping groove, and the female clamping block is connected with the male clamping block in a buckling manner.

10. The low-loss flat-plate solar collector as claimed in claim 9, wherein a second scarf joint groove is formed at one end of the second transverse plate away from the female clamping block; a second sealing rubber strip is embedded in the second scarf joint groove; the second sealing rubber strip is arranged corresponding to the first sealing rubber strip; and the second sealing rubber strip is attached to the upper surface of the high-light-transmission glass.