CN201262480Y

CN201262480Y - flat plate collector

Info

Publication number: CN201262480Y
Application number: CN200820099524.0U
Authority: CN
Inventors: 段绪群
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-23
Filing date: 2008-07-23
Publication date: 2009-06-24
Anticipated expiration: 2018-07-23

Abstract

The utility model discloses a flat plate collector which comprises a metal outer box, a heat absorbing sheet which is arranged in the metal outer box, a heat prevention layer which is arranged in the inner cavity of the metal outer box and on the inner surface of the backlight surface of the metal outer box. The flat plate collector adopts double-seal assembly structure of the metal outer box and a toughened grass inner box, the heat absorbing sheet adopts a narrow-margin dissymmetric gilled tube type heat absorbing sheet, the arrangement of the heat absorbing sheet adopts a manner that a gilled tube and a collecting tube are vertically arranged, meanwhile, the heat absorbing sheet is assembled by leaning inwards on the basis of decreasing the local latitude by 10 degrees so as to realize the optimal combination of the width and angular of the heat absorbing sheet, reduce blocking area to the utmost extent and increase photic area. The flat plate collector can solve the problems of old-fashioned structure and low thermal conversion efficiency of the existing flat plate collector; not only can improve thermal performance index, but also can have easy installation and construction; and is also consistent to architectural appearance, with extremely strong applicability.

Description

Flat plate collector

Technical field

The utility model relates to the solar thermal utilization apparatus field, particularly a kind of flat plate collector.

Background technology

Flat plate collector has the not available advantage of other thermal-arrest forms as an important branch in the heat collector family, is mainly reflected in:

1. flat plate collector does not have the vacuum requirement, and therefore, its life-span is generally longer;

2. in flat plate collector, working media flows in metallic conduit, can not cause that pipeline burst causes the leakage of water or medium because of contact, thereby cause systemic breakdown;

3. the heat-collecting part of flat plate collector and the sealing walked between the wet part will be got well the good reliability of long-time running than other thermal performance of collectors;

4. except that heat collection function, can also have concurrently other as insulation, hide rain, function such as sun-proof;

5. shape and structure is all comparatively flexible.

Just be based on above advantage, flat plate collector has all obtained popularization and use in a big way all over the world, occupied the bigger market share.

Existing flat plate collector structure comprises tube-sheet type, wing pipe type, flat box type and coil pipe type, all there is the bigger problem of heat loss in these structures, therefore, need improve existing flat plate collector structure, can improve the hot property index, installation is easy again, also coordinates mutually with architectural appearance.

The utility model content

In view of this, the purpose of this utility model provides a kind of flat plate collector, can solve the problem that existing flat plate collector structure is outmoded, thermal conversion efficiency is not high, can improve the hot property index, installation is easy again, also coordinates mutually with architectural appearance, has extremely strong applicability.

A kind of flat plate collector that the utility model relates to comprises metal outer container and heat absorbing sheet, and described heat absorbing sheet is arranged on metal outer container inside;

Further, also comprise heat-insulation layer, described heat-insulation layer is arranged in the inner chamber of metal outer container, and is positioned at the inner surface of metal outer container shady face;

Further, described heat absorbing sheet comprises canalis pterygoideus, fin I and fin II, and the length of described fin I is greater than fin II, and described fin I and fin II are mutually 180 ° of angles and are arranged on the canalis pterygoideus surface, and is positioned on the same plane by the canalis pterygoideus axis;

Further, also comprise collector, described collector vertically is arranged in the metal outer container, the canalis pterygoideus of described heat absorbing sheet is horizontally installed in the metal outer container by collector, it is vertical with collector and guarantee the heat collector surface of the installation of fin I towards the metal outer container that described canalis pterygoideus is provided with direction, fin II installation towards heat-insulation layer;

Further, the acute angle angle that forms between the plane of described fin II and the collector axis latitude that equals the infield deducts 10 °;

Further, also comprise case in the safety glass, the outside size of case equals the inner edge size of metal outer container in the nested inner surface that is arranged on the metal outer container of case in the described safety glass, described safety glass;

Further, the junction, corner of case adopts seal to seal in described metal outer container and the safety glass;

Further, described heat-insulation layer is provided with insulation film;

Further, the inside of described flat plate collector is set to vacuum body.

The beneficial effects of the utility model are: flat plate collector of the present utility model has adopted the double containment modular construction of case in metal outer container and the safety glass, can effectively encapsulate heat absorbing sheet, keeps endothermic effect; Heat absorbing sheet adopts asymmetric in a narrow margin wing pipe type heat absorbing sheet, compares traditional heat absorbing sheet and more can increase lighting efficiency; Canalis pterygoideus and the vertically disposed mode of collector have been adopted in being provided with of heat absorbing sheet, have farthest strengthened endothermic effect; Heat absorbing sheet subtracts 10 ° of assemblings of tilting inwards according to local latitude, realizes that the best of breed of heat absorbing sheet width and angle reduces folding shelves area to greatest extent and increases light-receiving area; The utility model can solve the problem that existing flat plate collector structure is outmoded, thermal conversion efficiency is not high, can improve the hot property index, and installation is easy again, also coordinates mutually with architectural appearance, has extremely strong applicability.

Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.

Description of drawings

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:

Fig. 1 is the structural representation of flat plate collector;

Fig. 2 is the structural representation of heat absorbing sheet.

The specific embodiment

As depicted in figs. 1 and 2: flat plate collector comprises metal outer container 1 and heat absorbing sheet 2, and heat absorbing sheet 2 is arranged on metal outer container 1 inside.Metal outer container 1 uses heat absorptivity preferred metal material to make, and selects aluminium in the present embodiment for use.

Heat-insulation layer 8 is arranged in the inner chamber of metal outer container 1, and covers the inner surface of metal outer container 1 shady face, and heat-insulation layer 8 is provided with insulation film 9.

Heat absorbing sheet 2 is an aluminium matter, comprise canalis pterygoideus 3, fin I4 and fin II5, the length of canalis pterygoideus 3 is 85mm, and the length of fin I4 is 42mm, the length of fin II5 is 25mm, and fin I4 and fin II5 are mutually 180 ° of angles and are arranged on canalis pterygoideus 3 surface and are positioned on the same plane by canalis pterygoideus 3 axis.

Collector 6 vertically is arranged in the metal outer container 1, the canalis pterygoideus 3 of heat absorbing sheet 5 is horizontally installed in the metal outer container 1 by collector 6, it is vertical and guarantee that fin I4 and fin II5 favour collector 6 that canalis pterygoideus 3 is provided with direction and collector 6, the installation of fin I4 towards metal outer container 1 towards the light face, fin II5 installation towards heat-insulation layer 8.The latitude that the acute angle angle that forms between the plane of fin II 5 and collector 6 axis equals the infield deducts 10 °, and this mounting means has reduced folding shelves area to greatest extent and increased light-receiving area, makes a year thermal effect reach 45%-65%.

The outside size of case 7 equals the inner edge size of metal outer container 1 in the case 7 nested inner surfaces that are arranged on metal outer container 1 in the safety glass, safety glass.

Metal outer container 1 adopts sealing strip and/or sealing ring to seal with the junction, corner of the interior case 7 of safety glass, and the inside of flat plate collector is set to vacuum body, and better conversion solar can be heat energy.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. A flat plate heat collector, comprising a metal outer box (1) and a heat-absorbing sheet (2), characterized in that: the heat-absorbing sheet (2) is arranged inside the metal outer box (1).

2. The flat plate heat collector according to claim 1, characterized in that: it also includes an insulating layer (8), and the insulating layer (8) is arranged in the inner cavity of the metal outer box (1) and is located outside the metal The inner surface of the backlit side of the box (1).

3. The flat-plate heat collector according to claim 2, characterized in that: the heat-absorbing fins (2) include finned tubes (3), fins I (4) and fins II (5), and the fins The length of sheet I (4) is greater than that of fin II (5), and said fin I (4) and fin II (5) are arranged on the surface of wing tube (3) at an angle of 180° to each other, and are located through the wing tube (3) On the same plane as the central axis.

4. The flat plate heat collector according to claim 3, characterized in that: it also includes a header (6), the header (6) is vertically arranged in the metal outer box (1), and the heat-absorbing sheet ( 5) the wing tube (3) is horizontally arranged in the metal outer box (1) through the header (6), and the setting direction of the wing tube (3) is perpendicular to the header (6) and ensures the tightness of the wing 1 (4). Install towards the heat collecting surface of the metal outer box (1), and the installation of the fin II (5) towards the insulation layer (8).

5. The flat plate heat collector according to claim 4, characterized in that: the acute angle formed between the plane of the fin II (5) and the central axis of the header (6) is equal to the latitude of the installation site minus 10 °.

6. The flat plate heat collector according to claim 5, characterized in that: it also includes a tempered glass inner box (7), and the toughened glass inner box (7) is nested on the inner surface of the metal outer box (1) , the outer size of the tempered glass inner box (7) is equal to the inner size of the metal outer box (1).

7. The flat plate heat collector according to claim 6, characterized in that: the junction of the metal outer box (1) and the tempered glass inner box (7) is sealed by a sealing member (10).

8. The flat plate heat collector according to claim 7, characterized in that: a thermal insulation film (9) is arranged on the thermal insulation layer (8).

9. The flat-plate heat collector according to claim 8, characterized in that: the interior of the flat-plate heat collector is set as a vacuum body.