CN201787750U - Solar heat collecting device and curtain wall equipped with the solar heat collecting device - Google Patents

Abstract

The utility model provided a solar heat collecting device and a curtain wall with the same. The device is simple in manufacture technology, less in heat loss, high in heat efficiency, and wide in heat utilization, can be independently used as the solar heat collecting device, and can also be used as a heat pipe type solar heat collecting device which is integrated with a building. The utility model is realized through the following technical schemes: the solar heat collecting device comprises an upper glass plate, a lower glass plate and a plurality of heat collecting pipes arranged between the upper glass plate and the lower glass plate, wherein the peripheries of the upper glass plate and the lower glass plate are sealed to form into a sealed cavity; the heat collecting pipes are made from metal pipes; each heat collecting pipe comprises a heat absorbing section and a heat releasing section; each heat absorbing section of each heat collecting pipe is arranged in the sealed cavity; and each heat releasing section extends out of the sealed cavity. The curtain wall is provided with the solar heat collecting device. The curtain wall further comprises a medium pipeline and a power accumulator, wherein the medium is positioned in the medium pipeline and the power accumulator to flow, and the heat releasing sections of the heat collecting pipes are arranged in the medium pipeline.

Description

Solar heat collecting device and curtain wall equipped with the solar heat collecting device

technical field

The utility model relates to a solar heat collecting device, in particular to a heat collecting device using a heat pipe to collect solar energy, which can be used alone as a heat collector, and can also be conveniently connected and combined with external components and integrated with a building to form a curtain wall.

Background technique

Solar energy, as a pollution-free natural energy with unlimited reserves, has attracted people's attention; solar collectors are key components for collecting solar energy; and glass curtain wall collectors integrated with buildings are also key equipment for effectively utilizing solar energy .

The patent number is 03279695.1, the announcement number is CN2641538, and the Chinese patent titled "inner tube type flat vacuum solar collector" discloses a kind of inner tube type flat vacuum collector, which consists of an upper glass plate, a lower glass plate and a row of It consists of a single-layer glass heat collecting tube, and the upper and lower glass plates are sealed around to form a vacuum gap. The glass tubes arranged closely or at intervals pass through the vacuum layer as the water inlet and outlet pipes. The outer surface of the glass tube has a heat-absorbing black coating or selective sunlight Absorbent film. The sunlight passing through the upper glass plate is absorbed by the heat absorbing layer on the glass tube, so that the working medium (water) in the glass tube is heated, and between the upper glass plate and the single-layer glass tube, the lower glass plate and the single-layer glass tube An array of supports made of low thermal conductivity and high-strength materials are respectively provided between them, so that several point contacts are formed between the upper and lower glass plates and the single-layer glass tube. This kind of inner tube type flat vacuum solar collector adopts glass tubes passing through the vacuum layer as the inlet and outlet pipes; according to the working principle of the heat pipe and the correct installation method, this kind of inlet and outlet water glass heat collector cannot produce the heat pipe effect well, and can only Use as an ordinary water heater.

The patent number is 01264075.1, the announcement number is CN2513053, and the Chinese patent titled "Heat Pipe Solar Flat Panel Heat Collector" discloses a heat pipe type solar flat panel heat collector, which consists of a shell with a built-in heat pipe and a glass cover. The heat pipe is equipped with Low freezing point working fluid, fins are connected to the outer wall of the heat pipe, and the glass cover plate is a flat low-iron tempered glass cover plate with narrow slits, high vacuum degree, and is composed of double-layer tempered glass closed around, with a filler pad between the two layers of tempered glass Lift up and vacuumize, and the outer shell is covered with an insulating layer. This kind of heat pipe solar panel collector consists of a shell with built-in heat pipes and a glass cover. Its structure makes air exist between the transparent cover and the heat absorber, and heat convection reduces thermal efficiency. It can only be used as a low-temperature water heater.

The thermal efficiency of the two heat collectors mentioned above is not high, and they can only be used as ordinary water heaters. The thermal utilization of solar energy is not extensive, and cannot meet the needs of modern family life.

Contents of the invention

The purpose of the utility model is to provide a solar heat collecting device and a curtain wall equipped with the solar heat collecting device. The manufacturing process is simple, the heat loss is small, the thermal efficiency is high, and the heat is widely used. A heat pipe solar collector designed for building integration.

The utility model is achieved through the following technical solutions:

The solar heat collecting device comprises: an upper glass plate, a lower glass plate and a plurality of heat collecting tubes arranged therebetween, the peripheries of the upper glass plate and the lower glass plate are sealed to form an airtight cavity; wherein, the heat collecting tubes are A metal material tube, the heat collecting tube includes a heat absorbing section and a heat releasing section; the heat absorbing section of the heat collecting tube is located in the closed cavity, and the heat releasing section extends out of the closed cavity.

The upper glass plate is a cloth glass plate with high light transmission and heat absorption, and the lower glass plate is a coated glass plate.

At least half of the outer surface of the heat collecting tube is covered with a heat absorbing black coating or a selective solar absorbing film.

The inner surface of the lower glass plate is provided with a heat-insulating and heat-insulating layer.

The curtain wall is equipped with the above-mentioned solar heat collection device, and the curtain wall also includes: a medium pipeline and an energy storage, and the medium flows in the medium pipeline and the energy storage; the heat release section of the heat collection pipe is located in the medium pipeline.

In summary, the beneficial effects of the utility model are:

The solar heat collecting device of the utility model is composed of an upper high-transmittance and heat-absorbing textured glass plate, a lower coated glass plate, and heat collecting tubes arranged in between. The periphery of the upper and lower glass plates is sealed to form a hollow or vacuum interval. One end of the heat-collecting tubes arranged at intervals is placed in a hollow or vacuum space, and its surface is covered with a heat-absorbing black coating or a selective solar absorbing film. The heat-collecting tube is a metal material tube, and the heat-collecting tube includes a heat-absorbing section and a heat releasing section; the heat absorbing section of the heat collecting tube is located in the closed cavity, and the heat releasing section extends out of the closed cavity. The sunlight passing through the glass plate is absorbed by the heat-absorbing layer on the heat-collecting tube, so that the working medium in the heat-pipe is heated, and the other end of the heat-collecting tube is a heat-radiating section. It is preferable to place the glass end (heat-absorbing section) at the bottom, and the heat-emitting section of the heat pipe at the top. This arrangement can produce a good heat pipe effect, low heat start temperature, fast heat transfer, and high heat utilization rate; easy to install , the heat pipe will not be affected by the external environment to shorten its life, and the heat pipe will not accumulate scale and freeze in winter.

The utility model has the following advantages:

①High thermal efficiency, fast start-up, no freezing;

②Simple structure, easy to install;

③ It can be used as a single block, or multiple blocks can be connected and combined to integrate with the building to become a curtain wall;

④ It can realize the function of glass curtain wall, and can absorb solar heat in a large area without destroying the overall shape of the building.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of embodiment one of the utility model solar heat collector;

Fig. 2 is a three-dimensional structural schematic diagram of Embodiment 1 of the solar heat collecting device of the present invention;

Fig. 3 is a schematic diagram of the front structure of Embodiment 1 of the solar heat collecting device of the present invention;

Fig. 4 is a schematic cross-sectional structure diagram of Embodiment 2 of the solar heat collecting device of the present invention;

Fig. 5 is a three-dimensional structural schematic diagram of Embodiment 2 of the solar heat collecting device of the present invention;

Fig. 6 is a schematic view of the front structure of Embodiment 2 of the solar heat collecting device of the present invention;

Fig. 7 is a structural schematic diagram of the curtain wall of the present invention.

Explanation of reference signs:

1. Upper glass plate, 2. Lower glass plate, 3. Heat insulation, insulation layer, 4. Organic adhesive, 5. Solar absorbing film, 6. Heat collecting tube, 7. Supporting device, 8. Airtight cavity, 9 , flat heat collecting tube, 11, medium pipeline, 12, accumulator, 60, heat releasing section of heat collecting tube, 90, heat releasing section of flat heat collecting tube.

Detailed ways

The utility model discloses a solar heat collecting device, as shown in Fig. 1, comprising: an upper glass plate 1, a lower glass plate 2 and a plurality of heat collecting tubes arranged therebetween, the upper glass plate 1, the lower glass plate 2 The periphery is sealed to form a closed cavity 8; wherein, the heat collecting tube is a metal material tube, and the heat collecting tube includes a heat absorbing section and a heat releasing section; the heat absorbing section of the heat collecting tube is located in the closed cavity 8 , the heat release section protrudes from the outside of the airtight cavity 8 .

The upper glass plate 1 is a textured glass plate with high light transmission and heat absorption, and the lower glass plate 2 is a coated glass plate.

A heat-absorbing black coating or a selective solar absorbing film 5 is laid on at least half of the outer surface of the heat collecting tube.

Both ends of the heat collecting tube are sealed, and a cavity is formed inside, and the heat transfer working medium is accommodated in the cavity.

The inner surface of the lower glass plate 2 is provided with a heat-insulating and heat-insulating layer 3 .

The peripheries of the upper glass plate 1 and the lower glass plate 2 are sealed with low melting point metal or flexible metal or organic adhesive 4 .

The airtight cavity 8 is a vacuum cavity or a hollow cavity.

The heat collecting tubes are arranged closely or at intervals.

The heat collecting tubes are copper tubes or aluminum alloy tubes. Tubes of other materials may also be used.

The heat collecting tube is a round tube or a sheet flat tube or a tube of other shapes, and its shape change is not limited.

The heat collecting tube is fixed in the airtight cavity 8 through the supporting device 7 .

The curtain wall is equipped with the above-mentioned solar heat collection device, and the curtain wall also includes: a medium pipeline 11 and an accumulator 12, and the medium 10 flows in the medium pipeline 11 and the energy storage 12; the heat release section of the heat collecting pipe is located in the In the medium pipeline 11.

The medium 10 is water.

The accumulator 12 is a hot water tank.

Embodiment one:

As shown in Figures 1, 2, and 3, this embodiment discloses a solar heat collection device, which consists of an upper high-transmittance and heat-absorbing textured glass plate, a lower reflective and heat-insulating coated glass plate, and heat collecting tubes arranged therebetween. 6 components, the heat collecting tube 6 is a round tube, and the upper and lower glass plates are sealed with an organic adhesive 4 to form a hollow or vacuum interval. Selective solar absorbing film 5, sunlight shines on the selective solar absorbing film 5 through the upper high-transmittance and heat-absorbing cloth textured glass plate, and the heat insulation and thermal insulation layer 3 can irradiate the sun in the hollow or vacuum compartment 8. The light is used for heat preservation and heat insulation, and the selective solar absorbing film 5 absorbs the energy of the sun, and the temperature rises, so that the working medium in the heat collecting tube 6 is heated, and the other end of the heat collecting tube 6 is a heat release section 60 .

When the solar heat collecting device disclosed in this embodiment is used on a curtain wall, as shown in FIG. Stored in the accumulator 12, it can provide thermal energy for heating, bathing, hot water, etc.

Embodiment two:

As shown in Figures 4, 5, and 6, this embodiment discloses a solar heat collecting device. The difference from Embodiment 1 is that a flat heat collecting tube 9 is used with a rectangular cross section, and the heat absorbing section of the flat heat collecting tube 9 is placed In the hollow or vacuum compartment 8, a selective solar absorbing film 5 is laid on the half circumference of its outer surface. The sunlight passes through the upper high light-transmitting and heat-absorbing cloth textured glass plate and irradiates on the selective solar absorbing film 5. The heat insulation and heat preservation layer 3. The sunlight irradiated into the hollow or vacuum compartment 8 can be kept warm and insulated, and the selective solar absorbing film 5 absorbs the energy of the sun, and the temperature rises, so that the working medium in the flat heat collecting tube 9 is heated, and the flat heat collecting tube 9 The other end is the exothermic section 90.

The specific implementation methods listed above are non-restrictive. For those skilled in the art, various improvements and changes made within the scope of the present utility model all belong to the protection scope of the present utility model.

Claims (10)

1. solar energy heat collector includes: upper glass plates (1), lower glass plate (2) and come therebetween many thermal-collecting tubes, and the periphery sealing of described upper glass plates (1), lower glass plate (2) forms closed cavity (8); It is characterized in that: described thermal-collecting tube is a kind of metal material pipe, and described thermal-collecting tube includes endotherm section and heat release section; The endotherm section of thermal-collecting tube is arranged in described closed cavity (8), and heat release section is stretched out the outside of described closed cavity (8).

2. solar energy heat collector according to claim 1 is characterized in that: described upper glass plates (1) is a kind of high printing opacity heat absorption woven design glass plate, and lower glass plate (2) is a kind of coated glass pane.

3. solar energy heat collector according to claim 1 is characterized in that: the outer surface of described thermal-collecting tube half cycle at least is laid with the black coating or the selectivity sun absorbing film (5) of heat absorption.

4. solar energy heat collector according to claim 1 is characterized in that: the sealing of described thermal-collecting tube two, and its inner cavity that forms, heat-transfer working medium is contained in this cavity.

5. solar energy heat collector according to claim 1 is characterized in that: the inner surface of described lower glass plate (2) is provided with heat insulation, heat-insulation layer (3).

6. solar energy heat collector according to claim 1 is characterized in that: the periphery of described upper glass plates (1), lower glass plate (2) adopts low-melting-point metal or flexible metal or organic adhesive (4) to seal.

7. solar energy heat collector according to claim 1 is characterized in that: described closed cavity (8) is vacuum chamber or cavity.

8. solar energy heat collector according to claim 1 is characterized in that: described thermal-collecting tube adopts the solid matter mode or is spaced mode.

9. solar energy heat collector according to claim 1 is characterized in that: described thermal-collecting tube is copper pipe or aluminium-alloy pipe.

10. curtain wall is equipped with as any one described solar energy heat collector in the claim 1 to 9, and described curtain wall also includes: medium pipeline (11) and accumulator (12), medium (10) are arranged in medium pipeline (11) and accumulator (12) flows; The heat release section of thermal-collecting tube is arranged in described medium pipeline (11).

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