CN211316600U - Solar heat collecting device - Google Patents

Abstract

The utility model discloses a solar heat collection device, including thermal-arrest subassembly and water tank, the thermal-arrest subassembly includes glass apron, bottom plate and frame, be equipped with the heat pipe on the bottom plate, the upper end of heat pipe all communicates with the water tank, and the lower extreme of heat pipe all communicates with a buffer tank, is equipped with a horizontal water-stop sheet in the heat pipe, and the upper portion of water-stop sheet is equipped with the water service mouth that supplies upper strata pipe and lower floor's pipe intercommunication, port and water tank intercommunication and its lower port seal on the upper strata pipe, the lower port and the buffer tank intercommunication of lower floor's pipe and its port seal on it, be equipped with the absorber plate between heat pipe and the glass apron, it is equipped with a plurality of condensing lenses to correspond the space department between two heat pipes on the absorber plate, be equipped with the heat preservation between heat pipe and the bottom plate, it is equipped with. The utility model discloses, convenient to use, through setting up condensing lens and energy storage pipe, make full use of solar energy has improved heat collection device's efficiency.

Description

Solar heat collecting device

Technical Field

The utility model relates to a solar facilities technical field, concretely relates to solar heat collection device.

Background

Solar energy is inexhaustible renewable energy source and clean energy source, and does not produce any environmental pollution. With the rapid development of economy and the continuous improvement of living standard of people, people have been widely applied to various solar products for utilizing solar energy. In the heat utilization of solar energy, the key point is to convert the radiation energy of the sun into heat energy, which has become one of the important indexes of the human science and technology development, and the solar energy must be concentrated by trying to disperse the solar illumination, and the heat collecting device is a key part of various solar energy utilization devices.

The flat plate heat collecting device is a common device for absorbing solar radiation energy and transferring heat to a working medium, but the conventional flat plate heat collecting device has the problem of low heat collecting efficiency due to insufficient utilization of solar energy. For example, in a heat collection device for collecting heat by using a heat collection tube, only one side of the heat collection tube facing the sun can absorb solar radiation, and the back of the heat collection tube cannot utilize solar illumination, so that the temperature difference of the front and back sides of the heat collection tube is large, and the temperature difference of working media at the same radial position in the tube is large, so that the heat collection efficiency of the heat collection device is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned problem, provide a high solar heat collection device of collection efficiency.

The utility model adopts the following technical scheme:

a solar heat collection device comprises a heat collection assembly and a water tank, wherein the heat collection assembly comprises a glass cover plate arranged at the top of the assembly, a bottom plate arranged at the bottom of the assembly and a frame hooped at the periphery of the assembly, a plurality of heat conduction pipes arranged in parallel are arranged on the bottom plate, the upper ends of the heat conduction pipes are communicated with the water tank, the lower ends of the heat conduction pipes are communicated with a buffer tank, a transverse water baffle is arranged in the heat conduction pipes and divides the heat conduction pipes into an upper layer pipe and a lower layer pipe, a water through hole for communicating the upper layer pipe and the lower layer pipe is formed in the upper part of the water baffle, the upper end port of the upper layer pipe is communicated with the water tank, the lower end port of the lower layer pipe is communicated with the buffer tank, the upper end port of the lower layer pipe is sealed, a heat absorption plate is arranged between the heat conduction pipes and the glass cover plate, a, the heat-preserving water tank is characterized in that a heat-accumulating pipe is arranged in the heat-preserving layer corresponding to a gap between the two heat-conducting pipes, the water tank is provided with a first water inlet and a second water outlet, and the buffer tank is provided with a second water inlet.

As an optimized technical scheme of the utility model, the material of absorber plate, heat pipe, buffer tank and heat accumulation pipe is copper.

As a preferred technical solution of the present invention, the heat storage tube is filled with a phase-change energy storage material, and the phase-change energy storage material is a liquid-gas phase-change material or a solid-liquid phase-change material.

As a preferred technical scheme of the utility model, the space department that corresponds between two heat pipes on the absorber plate is equipped with a plurality of fixed orificess, inlay one by one in the fixed orifices and be fixed with the condensing lens.

As a preferred technical scheme of the utility model, the focus of condensing lens falls on the heat accumulation pipe.

The utility model has the advantages that:

the utility model discloses, convenient to use, through setting up condensing lens and energy storage pipe, make full use of solar energy has improved heat collection device's efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the heat collecting assembly at the lower port of the heat conductive pipe;

FIG. 3 is a cross-sectional structure view of the heat collecting assembly at the water opening of the water-stop plate;

FIG. 4 is a cross-sectional view of the heat collecting assembly at the upper port of the heat conductive pipe.

The symbols in the drawings illustrate that:

1: a water tank, 2: glass cover plate, 3: bottom plate, 4: frame, 5: heat transfer pipe, 51: upper layer tube, 52: lower-layer tube, 6: buffer tank, 7: water-stop sheet, 8: water passage port, 9: absorber plate, 10: fixing hole, 11: condenser lens, 12: insulating layer, 13: heat storage tube, 14: water inlet one, 15: water outlet, 16: and a second water inlet.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a solar heat collection device includes a heat collection assembly and a water tank 1, the heat collection assembly includes a glass cover plate 2 disposed on the top of the assembly, a bottom plate 3 disposed on the bottom of the assembly, and a frame 4 hooped on the periphery of the assembly, the bottom plate 3 is provided with a plurality of heat pipes 5 arranged in parallel, the upper ends of the heat pipes 5 are all communicated with the water tank 1, the lower ends of the heat pipes 5 are all communicated with a buffer tank 6, a horizontal water stop plate 7 is disposed in the heat pipes 5, the heat pipes 5 are separated into an upper pipe 51 and a lower pipe 52 by the water stop plate 7, and the upper portion of the water stop plate 7 is provided with a water port 8 for communicating the upper pipe 51 and the lower. The upper end port of the upper layer pipe 51 is communicated with the water tank 1, the lower end port of the upper layer pipe is closed, namely, the lower end port of the upper layer pipe 51 is not communicated with the buffer tank 6, the lower end port of the lower layer pipe 52 is communicated with the buffer tank 6, the upper end port of the lower layer pipe 52 is closed, namely, the upper end port of the lower layer pipe 52 is not communicated with the water tank 1, a heat absorbing plate 9 is arranged between the heat conducting pipe 5 and the glass cover plate 2, and the heat absorbing plate 9 is used for absorbing solar radiation and transferring heat to the heat conducting pipe 5 to heat water in the heat conducting. A plurality of fixing holes 10 are formed in the heat absorbing plate 9 corresponding to the gap between the two heat conducting pipes 5, and condenser lenses 11 are fixedly embedded in the fixing holes 10 one by one. A heat insulation layer 12 is arranged between the heat conduction pipes 5 and the bottom plate 3, a heat storage pipe 13 is arranged in the heat insulation layer 12 corresponding to a gap between the two heat conduction pipes 5, and a phase change energy storage material is filled in the heat storage pipe 13 and is a liquid-gas phase change material or a solid-liquid phase change material. The focus of the condenser lens 11 is located on the heat storage tube 13, so that the light passing through the glass cover plate 2 passes through the condenser lens 11 and then falls on the heat storage tube 13 in a concentrated manner to heat the heat storage tube 13. The water tank 1 is provided with a first water inlet 14 and a second water outlet 15, and the buffer tank 6 is provided with a second water inlet 16. The heat absorbing plate 9, the heat conducting pipe 5, the buffer tank 6 and the heat storage pipe 13 are all made of copper with good heat conducting performance.

The utility model discloses during the use, cold water gets into water tank 1 from water inlet one 14 to get into upper strata pipe 51 from the last port of upper strata pipe 51, daytime, the sunlight sees through glass apron 2, shines on absorber plate 9, absorber plate 9 absorbs solar radiation and transmits the heat to upper strata pipe 51 rather than direct contact, makes the water in upper strata pipe 51 heat up, makes water tank 1 and the aquatic products in upper strata pipe 51 produce the difference in temperature, and forms the thermosiphon pressure head of system, makes water circulate in the system, constantly stores hot water in water tank 1 at last; the lower layer pipe 52 is positioned below the upper layer pipe 51 and on the back side of the upper layer pipe 51, so that the heat quantity transferred to the lower layer pipe 52 by the heat absorbing plate 9 is limited, and sunlight cannot be directly irradiated, so that the heat quantity absorbed by the water in the lower layer pipe 52 is limited, the temperature of the water in the lower layer pipe is not higher than that of the water in the upper layer pipe 51, namely, the temperature difference between the water on two sides is larger, the water on the upper side and the lower side in the heat conduction pipe 5 can be clearly separated by arranging the water baffle plate 7, the water in the lower layer pipe 52 flows into the buffer tank 6 from the water inlet II 16, then enters the lower layer pipe 52 through the lower end opening of the lower layer pipe 52 and is gradually filled, and the buffer tank 6 is made of copper with good heat conduction performance, so that the water in the lower layer pipe can be heated by absorbing heat, the hot water floats upwards along the lower layer pipe, then enters the upper layer pipe 51 through the water inlet 8, because the temperature of the water entering the upper, therefore, the water temperature in the upper layer pipe 51 cannot be influenced, and temperature unbalance is caused; in addition, by arranging the condenser 11, sunlight can be gathered into a bundle and falls on the heat storage pipe 13, the heat storage pipe 13 absorbs heat and stores the heat, when the temperature drops at night without the sun, the phase change energy storage material in the heat storage pipe 13 can generate phase change and release the heat at the same time, the heat conduction pipe 5 is insulated, the solar energy is fully utilized, and the heat collection efficiency is high; and the water inlets of the upper layer pipe 51 and the lower layer pipe 52 are different, and are two relatively independent water delivery systems, so that double guarantee of water delivery of the solar heat collecting device is formed, namely if the first water inlet 14 is blocked suddenly, the heat collecting device does not need to be stopped immediately, cold water can be delivered from the second water inlet 16, firstly enters the lower layer pipe 52 through the buffer tank 6, floats upwards to enter the upper layer pipe 51 through the water through port 8, and finally enters the water tank 1, so that the normal use of the heat collecting device can be ensured, and on the contrary, similarly, after the second water inlet 16 is blocked, the cold water enters the water tank 1 from the first water inlet 14 and then enters the upper layer pipe 51, the lower layer pipe 52 and the buffer tank 6 in sequence.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (5)

1. A solar heat collection device comprises a heat collection component and a water tank (1), and is characterized in that: the heat collection assembly comprises a glass cover plate (2) arranged at the top of the assembly, a bottom plate (3) arranged at the bottom of the assembly and a frame (4) hooped and arranged on the periphery of the assembly, wherein a plurality of heat conduction pipes (5) arranged in parallel are arranged on the bottom plate (3), the upper ends of the heat conduction pipes (5) are communicated with a water tank (1), the lower ends of the heat conduction pipes (5) are communicated with a buffer tank (6), a transverse water-stop plate (7) is arranged in the heat conduction pipes (5), the heat conduction pipes (5) are separated into an upper layer pipe (51) and a lower layer pipe (52) by the water-stop plate (7), a water through hole (8) for communicating the upper layer pipe (51) and the lower layer pipe (52) is formed in the upper part of the water-stop plate (7), the upper port of the upper layer pipe (51) is communicated with the water tank (1) and the lower port of the upper layer pipe is closed, be equipped with absorber plate (9) between heat pipe (5) and glass apron (2), the gap department that corresponds between two heat pipes (5) on absorber plate (9) is equipped with a plurality of condensing lenses (11), be equipped with between heat pipe (5) and bottom plate (3) heat preservation (12), the gap department that corresponds between two heat pipes (5) in heat preservation (12) is equipped with heat accumulation pipe (13), water tank (1) is equipped with water inlet (14) and delivery port (15), buffer tank (6) is equipped with water inlet two (16).

2. A solar collector apparatus according to claim 1, wherein: the heat absorption plate (9), the heat conduction pipe (5), the buffer tank (6) and the heat storage pipe (13) are all made of copper.

3. A solar collector apparatus according to claim 1 or 2, wherein: the heat storage pipe (13) is filled with a phase change energy storage material, and the phase change energy storage material is a liquid-gas phase change material or a solid-liquid phase change material.

4. A solar collector apparatus according to claim 1, wherein: a plurality of fixing holes (10) are formed in the position, corresponding to the gap between the two heat conduction pipes (5), of the heat absorption plate, and condenser lenses (11) are fixedly embedded in the fixing holes (10) one by one.

5. A solar collector apparatus according to claim 1 or 4, wherein: the focus of the condenser lens (11) is located on the heat storage pipe (13).

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