CN203375737U

CN203375737U - Novel flat plate collector

Info

Publication number: CN203375737U
Application number: CN201320445639.1U
Authority: CN
Inventors: 倪代维
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-25
Filing date: 2013-07-25
Publication date: 2014-01-01
Anticipated expiration: 2023-07-25

Abstract

The utility model discloses a novel flat plate collector. According to the novel flat plate collector, a light-transmitting cover plate is arranged on a front frame opening of a frame, a back plate is arranged on a rear frame opening of the frame, a heat preservation layer is arranged in the frame, heat conduction pipes and metal heat absorption film are arranged between the heat preservation layer and the light-transmitting cover plate in sequence, a cavity is formed between the metal heat absorption film and the light-transmitting cover plate, the heat conduction pipes penetrate through the frame, part of a pipe body, arranged in the frame, of each heat conduction pipe is embedded into the heat preservation layer, and the metal heat absorption film covers the other part of the pipe body, arranged in the frame, of each heat conduction pipe. Due to the facts that the metal heat absorption film covers the heat conduction pipes, and collecting pipes are externally arranged outside the frame, the heat-exchange area between the heat conduction pipes and the metal heat absorption film is increased, heat transmission efficiency is effectively improved, and the heat collection effect is greatly improved; meanwhile, the novel flat plate collector is simple in structure and convenient to install, expensive copper pipes are not adopted by the heat conduction pipes, the technology is greatly simplified, the number of connecting parts is greatly reduced, and production cost and installation cost are greatly reduced.

Description

Flat-plate heat collector

Technical field

The utility model belongs to technical field of solar water heaters, specifically, and particularly a kind of Flat-plate heat collector.

Background technology

At present, the built-in header design of the general employing of conventional flat plate collector, therefore be difficult to absorption film is carried out to the shape processing, between absorption film and heat pipe, can only adopt line to contact, its contact area is less, thereby causes the heat exchange area of the two also less, the efficiency that heat is transmitted is lower, so header and heat pipe must adopt the copper material that thermal resistance is less, more serious to the consumption of copper metal like this, thus increased production cost.In addition, built-in collecting pipe structure also exists and connector inconvenient, that install is installed is used and the leakage fault seriously, easily occurs, can not realize the seamless series of problems such as mat formation.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of Flat-plate heat collector that can effectively improve heat transference efficiency.

The technical solution of the utility model is as follows: a kind of Flat-plate heat collector, comprise frame (1), euphotic cover plate (2), surface scribbles the metal absorption film (3) of coating for selective absorption, heat pipe (5), heat-insulation layer (6) and backboard (7), front frame mouth place at described frame (1) arranges euphotic cover plate (2), after-frame mouth place arranges backboard (7), and be provided with heat-insulation layer (6) in described frame (1), from described heat-insulation layer (6) to being provided with successively heat pipe (5) and metal absorption film (3) described euphotic cover plate (2), form a cavity (4) between this metal absorption film (3) and euphotic cover plate (2), its key is: many heat pipes (5) are all through frame (1), the pipe shaft part that this heat pipe (5) is arranged in frame (1) embeds heat-insulation layer (6), another part is coated by metal absorption film (3).

Adopt above technical scheme, heat pipe is through after frame, and its two communicates with corresponding header.The utility model is arranged in header the outside of frame, heat pipe layout rules in frame, so can carry out the shape processing to the metal absorption film easily, the metal absorption film is covered on heat pipe, be the face contact between the two, therefore the heat exchange area between metal absorption film and heat pipe increases greatly, can effectively improve the efficiency that heat is transmitted, and heat-transfer effect promotes greatly.In addition, because of header of the present utility model external, when running into large tracts of land and mat formation the situation of this flat plate collector, a plurality of flat plate collectors can be shared same header, can reach the effect of seamless (or gap is minimum), and reduced in a large number connectivity port and installation workload, saved a large amount of erection spaces simultaneously, reduced fault rate.Moreover, applied environment of the present utility model is also very extensive, through simple heat pipe pre-installation, just the utility model can be applied in the environment such as curtain wall, roof, can also be as the heat collection function part of unit solar water heater.

In order to reach better Heat-collecting effect, as preferably, described heat pipe (5) be arranged in frame (1) pipe shaft half embed heat-insulation layer (6), second half is coated by metal absorption film (3).

For the ease of processing and manufacturing, the convenient installation, described frame (1) is the rectangle frame structure, two groups of mouldings, consists of, and heat pipe (5) vertically passes wherein one group of moulding, and parallels with another group moulding.

Because the heat transference efficiency between metal absorption film and heat pipe is high, therefore described heat pipe (5) can adopt the steel that thermal resistance is slightly high, and selection is convenient so on the one hand, is easy to processing and fabricating; On the other hand, avoid the use of copper product, both saved resource, effectively reduced again material cost.

For the ease of line arrangement, the spacing between two adjacent described heat pipes (5) equates.

In order to draw materials conveniently, to increase the security of using, described euphotic cover plate (2) is made by safety glass.

Beneficial effect: the utility model covers the metal absorption film on heat pipe, and header is placed on outside frame, has increased like this heat exchange area between heat pipe and absorption film, has effectively improved heat transfer effectiveness, and Heat-collecting effect has obtained greatly promoting; Simultaneously, the utility model is simple in structure, easy for installation, and heat pipe is not used more expensive copper pipe, and technique is also simplified in a large number, and connector also reduces in a large number, has significantly reduced production and installation cost.

The accompanying drawing explanation

The structural representation that Fig. 1 is embodiment 1.

The top view that Fig. 2 is Fig. 1.

The structural representation of Fig. 3 embodiment 2.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail:

Embodiment 1

As shown in Figure 1 and Figure 2, the present embodiment scribbles coating for selective absorption by frame 1, euphotic cover plate 2, surface metal absorption film 3, heat pipe 5, heat-insulation layer 6 and backboard 7 etc. form.Wherein, frame 1 is the rectangle frame structure, two groups of mouldings, consists of, and every group of moulding is divided into two that are parallel to each other.Front frame mouth place at described frame 1 arranges the euphotic cover plate 2 that shape size adapts with it, and euphotic cover plate 2 is made by safety glass; The after-frame mouth place of frame 1 arranges the backboard 7 that shape size adapts with it, and backboard 7 parallels with euphotic cover plate 2.Be fixedly installed heat-insulation layer 6 in described frame 1, this heat-insulation layer 6 is adjacent with backboard 7, and is formed with cavity 4 between heat-insulation layer 6 and euphotic cover plate 2.

As shown in Figure 1 and Figure 2, at described heat-insulation layer 6, be coated with metal absorption film 3 on the surface of euphotic cover plate 2, metal absorption film 3 adopts existing structure, and therefore not to repeat here.The many vertical wherein frames of one group of moulding that pass of the heat pipe be parallel to each other 5, and parallel with another group moulding.Heat pipe 5 is steel pipe, can select as required stainless steel tube or coating steel pipe, also can adopt other applicable steel structure.The number of heat pipe 5 is definite according to actual needs, and the spacing between two adjacent heat pipes 5 equates.The end of every heat pipe 5 is positioned at outside frame 1, and is connected with the header (not shown in FIG.) of corresponding setting.The pipe shaft part that described heat pipe 5 is arranged in frame 1 is embedded in heat-insulation layer 6, and another part is coated by metal absorption film 3; As preferably, heat pipe 5 be arranged in frame 1 pipe shaft half be embedded in heat-insulation layer 6, second half is coated by metal absorption film 3.

Embodiment 2

As Fig. 3 and referring to Fig. 1, the present embodiment has two frames that are arranged side by side up and down 1, the end that these two frames 1 are relative is close to and is fixed together, the many heat pipes that are parallel to each other 5 are through these two frames 1, the upper end of each heat pipe 5 is positioned at the outside of a top frame 1, the lower end of heat pipe 5 is positioned at the outside of a following frame 1, and the two ends of heat pipe 5 are connected with the header of corresponding setting, has realized like this two flat plate collector common collector.All the other structures of the present embodiment are same as the prior art, and therefore not to repeat here.

Certainly, by that analogy, a plurality of flat plate collectors can be with reference to the mode common collector of embodiment 2.

Operation principle of the present utility model is as follows:

Flat plate collector is placed under the environment of solar radiation, light is by after euphotic cover plate 2, by cavity 4, be incident upon on metal absorption film 3 again, coating for selective absorption above metal absorption film 3 becomes heat energy by light energy conversion, because metal absorption film 3 contacts for face with heat pipe 5, make between the two to there is larger heat exchange area, impel the calorific potential of heat pipe 5 to raise rapidly, now the most of heat that metal absorption film 3 is converted that flows of the heat exchange medium in heat pipe 5 is taken away, this has just realized that the utility model exports the function of heat energy under the solar radiation environment.

Although below by reference to the accompanying drawings preferred embodiment of the present utility model is described, but the utility model is not limited to the above-mentioned specific embodiment, the above-mentioned specific embodiment is only schematic rather than determinate, those of ordinary skill in the art is under enlightenment of the present utility model, under the prerequisite without prejudice to the utility model aim and claim, can make like multiple types and meaning, as change the shape of frame, perhaps heat pipe is changed into to other metal material, perhaps change number and the shape of heat pipe, perhaps change area size that heat pipe coated by the metal absorption film etc., within such conversion all falls into protection domain of the present utility model.

Claims

1. a Flat-plate heat collector, comprise frame (1), euphotic cover plate (2), surface scribbles the metal absorption film (3) of coating for selective absorption, heat pipe (5), heat-insulation layer (6) and backboard (7), front frame mouth place at described frame (1) arranges euphotic cover plate (2), after-frame mouth place arranges backboard (7), and be provided with heat-insulation layer (6) in described frame (1), from described heat-insulation layer (6) to being provided with successively heat pipe (5) and metal absorption film (3) described euphotic cover plate (2), form a cavity (4) between this metal absorption film (3) and euphotic cover plate (2), it is characterized in that: many heat pipes (5) are all through frame (1), the pipe shaft part that this heat pipe (5) is arranged in frame (1) embeds heat-insulation layer (6), another part is coated by metal absorption film (3).

2. according to the described Flat-plate heat collector of claims 1, it is characterized in that: described heat pipe (5) is arranged in half embedding heat-insulation layer (6) of pipe shaft of frame (1), and second half is coated by metal absorption film (3).

3. according to the described Flat-plate heat collector of claims 1, it is characterized in that: described frame (1) is the rectangle frame structure, two groups of mouldings, consists of, and heat pipe (5) vertically passes wherein one group of moulding, and parallels with another group moulding.

4. according to claims 1 or 2 or 3 described Flat-plate heat collectors, it is characterized in that: described heat pipe (5) is steel pipe.

5. according to the described Flat-plate heat collector of claims 4, it is characterized in that: described euphotic cover plate (2) is made by safety glass.