CN212299476U

CN212299476U - High-efficiency conversion flat plate collector

Info

Publication number: CN212299476U
Application number: CN202020430035.XU
Authority: CN
Inventors: 陶玉良; 张胜萍; 陶雪韵
Original assignee: Tongling Hongan Solar Energy Science & Technology Co ltd
Current assignee: Tongling Hongan Solar Energy Science & Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-05
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a high-efficiency conversion flat plate collector, which relates to the field of flat plate collectors, and comprises a shell, the side surface of the shell is provided with a through hole, the inner side of the shell is fixed with a heat-insulating layer which is attached to the inner wall of the shell, a heat absorbing plate is fixed in the heat insulating layer, the heat absorbing plate comprises a collecting pipe embedded in the heat insulating layer, the side surface of the collecting pipe is fixedly connected with a plurality of calandria which take the axis of the collecting pipe as a path and are in linear array, the end part of the header is provided with a connector which is fixedly connected with a connecting pipe penetrating through the through hole, the connecting pipe is positioned at the inner side of the heat preservation layer in the through hole, the top end of the shell is fixedly connected with the cover plate, in the utility model, the connecting pipe is connected with the collecting pipe in a splicing way, thereby avoiding the heat loss from the notch, meanwhile, the heat-insulating layer integrally connected with the inside of the shell is arranged inside the through hole, so that heat loss caused by the connecting pipe is avoided, and the conversion efficiency of energy absorbed by the heat collecting plate core is improved.

Description

High-efficiency conversion flat plate collector

Technical Field

The utility model relates to a flat plate collector field especially relates to high efficiency conversion flat plate collector.

Background

The flat plate collector is the most common conversion device in the current solar energy conversion, and the working principle of the flat plate collector is that sunlight irradiates a heat absorbing body coated with an absorbing layer on the surface through a transparent cover plate, wherein most solar radiation energy is absorbed by the absorbing body and is converted into heat energy, and the heat energy is transferred to a working medium in a fluid channel. Therefore, the cold working medium at the bottom inlet of the heat collector is heated by solar energy in the fluid channel, the temperature is gradually increased, the heated hot working medium carries useful heat energy to be stored in the water storage tank for standby from the upper end outlet of the heat collector, namely useful energy is gained, after the solar energy is absorbed by the heat absorption plate, the absorbed energy is only partially transferred to the working medium in the collecting pipe, and the other part is dissipated in a radiation mode, so that the heat is retained by arranging the heat insulation layer in the shell, the heat loss is reduced, and the energy conversion efficiency is improved.

However, in the prior art, the heat collecting plate core is integrally connected with the header, so that the shell needs to be provided with corresponding notches to enable the end parts of the header to extend out of the shell, and after the shell is assembled, if the notch is not sealed tightly enough, heat loss is easily caused, and the energy conversion rate is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high efficiency conversion flat plate collector to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: high efficiency conversion flat plate collector, which comprises a housin, the casing side is provided with the through-hole, the casing inboard is fixed with the heat preservation rather than the inner wall laminating, be fixed with the absorber plate in the heat preservation, the absorber plate is including embedding heat preservation intraformational collector, a plurality of calandrias that are linear array as the route with the collector axis of collector side fixedly connected with, the collector tip is provided with the connector, connector and the connecting pipe fixed connection who runs through the through-hole, the connecting pipe is located the inboard of heat preservation in the through-hole, casing top and apron fixed connection.

Preferably, the connector is a threaded cylinder with the inner diameter larger than that of the header, and the threaded cylinder is in threaded connection with a connecting pipe with an external thread arranged at the end part.

Preferably, the apron includes the grillage, the inboard fixedly connected with light-passing board of grillage.

Preferably, the light-transmitting plate is low-iron tempered glass, the light-transmitting plate thickness is 3.2mm, the grillage bottom side is provided with the card limit, go up card limit and the fixed lower card limit joint in casing top.

Preferably, the inner side of the upper clamping edge is provided with a card, and the card is clamped with the clamping groove in the outer side of the lower clamping edge.

Preferably, the heat preservation is made of polyester cotton materials, and the thickness of the heat preservation layer is 50 mm.

Preferably, the shell is made of aluminum magnesium alloy profiles, and the thickness of the shell is 1.2 mm.

Preferably, the collecting pipe and the discharging pipe are copper pipes, the outer side of the discharging pipe is fixedly connected with the heat collecting plate core, the heat collecting plate core is made of 0.4mm aluminum plates, and black chromium plating is plated on the aluminum plates.

The utility model has the advantages that:

in the utility model, the side of the shell is provided with the through hole to replace the prior notch connection mode, the end part of the collecting pipe is provided with the connector, the connecting pipe is connected with the collecting pipe in a splicing mode, the heat loss from the notch is avoided, meanwhile, the heat preservation layer which is integrally connected with the inside of the shell is arranged in the through hole, the heat loss from the connecting pipe is avoided, and the conversion efficiency of the energy absorbed by the heat collecting plate core is improved; and secondly, an upper clamping edge is arranged at the bottom of the cover plate and clamped with a lower clamping edge at the top of the shell, and the top of the layer is kept to abut against the sealing cover plate, so that the cover plate is tightly connected with the shell.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of the connection structure of the cover plate and the housing of the present invention;

reference numerals: 1. a housing; 11. a through hole; 12. clamping edges; 13. a card slot; 2. a heat-insulating layer; 3. a cover plate; 31. a plate frame; 32. a light-transmitting plate; 33. lower edge clamping; 34. a card; 4. a heat absorbing plate; 41. a header; 42. arranging pipes; 43. a heat collecting plate core; 44. a connector; 5. and (4) connecting the pipes.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a flat plate collector with high efficiency conversion comprises a casing 1, a through hole 11 is provided on the side of the casing 1, a heat insulating layer 2 attached to the inner wall of the casing 1 is fixed on the inner side of the casing 1, a heat absorbing plate 4 is fixed in the heat insulating layer 2, the heat absorbing plate 4 comprises a collecting pipe 41 embedded in the heat insulating layer 2, a plurality of rows of tubes 42 in linear array with the axis of the collecting pipe 41 as the path are fixedly connected to the side of the collecting pipe 41, a connector 44 is provided at the end of the collecting pipe 41, the connector 44 is fixedly connected to a connecting pipe 5 penetrating through the through hole 11, the connecting pipe 5 is located on the inner side of the heat insulating layer 2 in the through hole 11, the top of the casing 1 is fixedly connected to a cover plate 3, the connector 44 is a threaded cylinder with the inner diameter larger than the inner diameter of the collecting pipe, the thickness of the light transmission plate 32 is 3.2mm, the bottom side of the plate frame 31 is provided with an upper clamping edge 12, the upper clamping edge 12 is clamped with a lower clamping edge 33 fixed on the top of the shell 1, a clamping sheet 34 is arranged on the inner side of the upper clamping edge 12, and the clamping sheet 34 is clamped with a clamping groove 13 on the outer side of the lower clamping edge 33.

During assembly, firstly, the heat preservation layer 2 is paved in the shell 1, a cylindrical heat preservation ring on the side surface of the heat preservation layer 2 is positioned in a through hole 11 on the side surface of the shell 1, then the heat absorption plate 4 is arranged on the heat preservation layer 2, the bottom surface of the heat absorption plate 4 is attached to the upper surface of the heat preservation layer 2, then the connecting pipe 5 is inserted into the shell 1 from the through hole 11 on the side surface of the shell 1, the outer side of the connecting pipe 5 is attached to the inner side of the heat preservation ring, the end part of the connecting pipe 5 is contacted with the end part of the collecting pipe 41, then the collecting pipe 41 is fixed with the connecting pipe 5 by rotating the connecting pipe 5, at the moment, the side surface of the connecting pipe 5 is fixedly connected with the connector 44, the end part of the connecting pipe 5 is abutted against the end part of the collecting pipe 41, the inner diameters of the collecting pipe 41 and the connecting pipe 5 are the same, the water resistance at the, simultaneously 2 tops of heat preservation and apron 3 are inconsistent, make apron 3 and casing 1 zonulae occludens, avoid the heat to run off by shell side face side notch, the low-speed railway just trades glass impact resistance strong, possesses high light transmittance, high strength, high thermal stability is strong, high chemical stability, ageing-resistant, resistant advantage of erosion.

Example 2

As shown in fig. 1-3, the flat plate collector with high efficiency conversion comprises a casing 1, a through hole 11 is arranged on the side surface of the casing 1, a heat insulation layer 2 attached to the inner wall of the casing 1 is fixed on the inner side of the casing 1, a heat absorption plate 4 is fixed in the heat insulation layer 2, the heat absorption plate 4 comprises a collecting pipe 41 embedded in the heat insulation layer 2, a plurality of exhaust pipes 42 which are linearly arrayed by taking the axis of the collecting pipe 41 as the path are fixedly connected on the side surface of the collecting pipe 41, a connector 44 is arranged at the end part of the collecting pipe 41, the connector 44 is fixedly connected with a connecting pipe 5 penetrating through the through hole 11, the connecting pipe 5 is arranged on the inner side of the heat insulation layer 2 in the through hole 11, the top end of the casing 1 is fixedly connected with a cover plate 3, the heat insulation is made of polyester cotton material, the thickness of the heat insulation layer 2, the heat collecting plate core 43 is made of a 0.4mm aluminum plate plated with black chrome.

The heat preservation 2 that the polyester cotton that thickness is 50mm made, the polyester cotton has the heat preservation effect and can reduce the thermal loss of absorber plate 4 through blocking absorber plate 4, and the shell that thickness is 1.2mm almag section bar and makes has intensity height, corrosion-resistant advantage, guarantees the life of heat collector, and it is good to have a heat-conducting property by the heat collection plate core 43 of plating black chromium on the 0.4mm aluminum plate, and the operation is reliable and stable advantage.

The working principle is as follows: when the heat-insulating plate is assembled, a notch does not need to be formed in the side surface of the shell 1, after the heat-insulating layer 2 is laid, the heat-absorbing plate 4 is fixed on the heat-insulating layer 2, the connecting pipe 5 is inserted into the through hole 11, the heat-insulating layer 2 is attached to the outer side of the connecting pipe 5, the heat of the heat-absorbing plate 4 is prevented from being transmitted to the shell 1 through the connecting pipe 5, the heat loss is reduced, and the energy conversion efficiency is improved; the bottom of the cover plate 3 is provided with an upper clamping edge 12, the inside of the shell 1 is provided with a lower clamping edge 33, and a clamping piece 34 on the upper clamping edge 12 is clamped with a clamping groove 13 on the lower clamping edge 33, so that the cover plate 3 is attractive and tight after being connected with the shell 1.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High efficiency conversion flat plate collector, including casing (1), its characterized in that: casing (1) side is provided with through-hole (11), casing (1) inboard is fixed with heat preservation (2) rather than the inner wall laminating, heat preservation (2) internal fixation has absorber plate (4), collector plate (41) in absorber plate (4) including embedding heat preservation (2), a plurality of calandria (42) that are linear array for the route with collector plate (41) axis of collector plate (41) side fixedly connected with, collector plate (41) tip is provided with connector (44), connector (44) and connecting pipe (5) fixed connection that runs through-hole (11), connecting pipe (5) are located the inboard of through-hole (11) internal insulation layer (2), casing (1) top and apron (3) fixed connection.

2. The high efficiency conversion flat panel thermal collector according to claim 1 wherein: the connecting head (44) is a threaded cylinder with the inner diameter larger than that of the header (41), and the threaded cylinder is in threaded connection with a connecting pipe (5) with an external thread arranged at the end part.

3. The high efficiency conversion flat panel thermal collector according to claim 1 wherein: the cover plate (3) comprises a plate frame (31), and the inner side of the plate frame (31) is fixedly connected with a light-transmitting plate (32).

4. The high efficiency conversion flat panel thermal collector according to claim 3 wherein: the light-transmitting plate (32) is low-iron tempered glass, the thickness of the light-transmitting plate (32) is 3.2mm, an upper clamping edge (12) is arranged on the bottom side of the plate frame (31), and the upper clamping edge (12) is clamped with a lower clamping edge (33) fixed to the top of the shell (1).

5. The high efficiency conversion flat panel thermal collector according to claim 4 wherein: go up card limit (12) inboard and be provided with card (34), card (34) and draw-in groove (13) the joint in the card limit (33) outside down.

6. The high efficiency conversion flat panel thermal collector according to claim 1 wherein: the heat-insulating layer (2) is made of polyester cotton materials, and the thickness of the heat-insulating layer (2) is 50 mm.

7. The high efficiency conversion flat panel thermal collector according to claim 1 wherein: the shell (1) is made of aluminum magnesium alloy section bars, and the thickness of the shell (1) is 1.2 mm.

8. The high efficiency conversion flat panel thermal collector according to claim 1 wherein: the collector pipe (41) and the calandria (42) are copper pipes, the outer side of the calandria (42) is fixedly connected with the heat collection plate core (43), the heat collection plate core (43) is made of a 0.4mm aluminum plate, and black chromium plating is performed on the aluminum plate.