CN210569287U

CN210569287U - Solar air heat collector

Info

Publication number: CN210569287U
Application number: CN201920982012.7U
Authority: CN
Inventors: 赵清红; 李培伦; 袁婉丽
Original assignee: Shandong Linuo Paradigma Co Ltd
Current assignee: Shandong Linuo Paradigma Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-19
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a solar thermal energy utilization field, concretely relates to solar energy air heat collector of solar collector as the heat source. The air enters the clip-shaped flow channel after being dedusted by the air filtering device from the cold air inlet through the fan, flows out from the hot air outlet after flowing in a circling way, and can be fully contacted with the heat absorbing plate under the action of the clip-shaped flow channel, so that the heat exchange efficiency is improved.

Description

Solar air heat collector

Technical Field

The utility model relates to a solar thermal energy utilization field, concretely relates to solar energy air heat collector of solar collector as the heat source.

Background

Nowadays, the rapid development of human society advocates energy conservation and emission reduction, and advocates green economy to become a national action. Solar energy is used as a green renewable energy source, the development and application of solar energy related products are gradually becoming one of main research directions, and the flat plate type solar heat collector is widely applied to solar energy building integration due to the characteristics of simple structure, easiness in processing, low manufacturing cost, easiness in matching with buildings and the like.

The solar air heat collector is a common solar energy utilization device, has simple and reliable structure and convenient installation and maintenance, has no problems of leakage, blockage, freezing prevention and the like because of adopting an air medium, and is widely applied to the fields of auxiliary heating, agricultural and sideline product drying, desiccant regeneration, seawater desalination and the like. However, in many flat-plate solar air collectors, the heated air exchanges heat through natural convection between the glass cover plate and the environment, and the heat exchange efficiency is very low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to improve heat exchange efficiency's solar energy air heat collector.

The utility model discloses a realize through following technical scheme:

a solar air heat collector comprises a box body, a heat absorbing plate and a flow guide plate, wherein the upper end face of the box body is a glass cover plate, the lower end face of the box body is a back plate, the heat absorbing plate is arranged on the back plate, the flow guide plate is vertically arranged on the heat absorbing plate, and a square-shaped flow channel is formed in an inner cavity of the box body;

the air-conditioning cabinet is characterized in that one end of the flow channel is a cold air inlet, the other end of the flow channel is a hot air outlet, the cold air inlet and the hot air outlet are both arranged outside the cabinet body, an air filtering device is arranged in the cold air inlet, and a fan is arranged in the cold air inlet.

Furthermore, the cold air inlet and the hot air outlet are arranged outside the back plate, and the hot air outlet is positioned in the center of the clip-shaped flow passage.

Further, the solar air heater further comprises a photovoltaic panel, a temperature sensor and a controller, wherein the photovoltaic panel is electrically connected with the controller, the controller is electrically connected with the temperature sensor and the fan respectively, and the temperature sensor is arranged on the hot air outlet.

Furthermore, the shell of the box body is made of aluminum alloy, and a heat insulation layer is arranged on the inner wall of the shell of the box body.

Compared with the prior art, the utility model the beneficial effect who gains as follows:

1. air is guided into the clip-shaped flow channel from the cold air inlet through the fan and flows out from the hot air outlet after the air flows in a circling way, and the air can be fully contacted with the heat absorbing plate under the action of the clip-shaped flow channel, so that the heat exchange efficiency is improved;

2. the air filtering device is arranged at the cold air inlet and can remove dust, so that the dust is prevented from covering the heat absorbing plate, and the heat exchange efficiency is improved;

3. the cooperation of photovoltaic board, controller and temperature sensor can make full use of light energy, reduces power consumption, realizes automatic control fan simultaneously and opens.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a solar air heat collector of the present invention;

FIG. 2 is a schematic view of the internal structure of the solar air collector of the present invention;

fig. 3 is a top view of the solar air collector of the present invention;

in the figure: 1. the heat absorption device comprises a box body, 2, a heat absorption plate, 3, a guide plate, 4, a clip-shaped flow channel, 5, a cold air inlet, 6, a hot air outlet, 7, a fan, 8, an air filtering device, 9 and a heat insulation layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

The solar air heat collector shown in fig. 1-3 comprises a box body 1 made of aluminum alloy, a heat absorbing plate 2 and a flow guide plate 3 bent in a shape like a Chinese character 'hui'. The inner wall of the shell of the box body 1 is provided with a heat preservation layer 9, the upper end face of the box body 1 is provided with a glass cover plate, and the lower end face of the box body is provided with a back plate for supporting. The heat absorbing plate 2 is arranged on the back plate and is used for absorbing sunlight incident through the transparent cover layer to convert light energy into heat energy. The guide plate 3 is vertically arranged on the heat absorbing plate 2 to form a square flow channel 4 in the inner cavity of the box body 1.

One end of the flow channel is a cold air inlet 5, the other end of the flow channel is a hot air outlet 6, and the hot air outlet 6 is positioned in the center of the square-shaped flow channel 4. The cold air inlet 5 and the hot air outlet 6 are both arranged at the lower part of the back plate of the box body 1, an air filtering device 8 is arranged in the cold air inlet 5, and a fan 7 is arranged in the cold air inlet 5.

In order to save electric energy, a photovoltaic panel and a controller can be arranged outside the box body, a temperature sensor is arranged on the hot air outlet, the photovoltaic panel is electrically connected with the controller, and the controller is respectively and electrically connected with the temperature sensor and the fan 7. When the temperature received by the temperature sensor is lower than a set value, the controller controls the fan to be started, so that hot air is formed, and the temperature is increased; when the temperature received by the temperature sensor is higher than a set value, the controller controls the fan to be closed.

The concrete working process of solar air heat collector as follows:

the air enters the clip-shaped flow channel after being dedusted by the air filtering device from the cold air inlet through the fan, flows out from the hot air outlet after flowing in a circling way, and can be fully contacted with the heat absorbing plate under the action of the clip-shaped flow channel, so that the heat exchange efficiency is improved.

Claims

1. A solar air heat collector comprises a box body (1), wherein the upper end face of the box body (1) is a glass cover plate, and the lower end face of the box body (1) is a back plate, and the solar air heat collector is characterized by further comprising a heat absorption plate (2) and a flow guide plate (3) bent into a shape like a Chinese character 'hui', wherein the heat absorption plate (2) is installed on the back plate, and the flow guide plate (3) is vertically installed on the heat absorption plate (2) to form a Chinese character 'hui' flow channel (4) in an inner cavity;

the one end of runner is cold air inlet (5), the other end is hot air outlet (6), cold air inlet (5) and hot air outlet (6) are all established in box (1) outside, be equipped with air filter (8) in cold air inlet (5), be equipped with fan (7) in cold air inlet (5).

2. The solar air collector according to claim 1, wherein the cold air inlet (5) and the hot air outlet (6) are provided outside the back plate, and the hot air outlet (6) is located at the center of the meandering channel (4).

3. The solar air collector according to claim 1, further comprising a photovoltaic panel electrically connected to the controller, a temperature sensor and a controller electrically connected to the temperature sensor and the fan (7), respectively, said temperature sensor being arranged on said hot air outlet (6).

4. The solar air collector according to any one of claims 1-3, wherein the casing of the box body (1) is made of aluminum alloy, and the inner wall of the casing of the box body (1) is provided with an insulating layer (9).