CN220187241U - Air source heat pump drying room for photovoltaic electric heating film - Google Patents

Abstract

The invention discloses a photovoltaic electric heating film air source heat pump drying room, which belongs to the technical field of agricultural product processing. The drying room mainly consists of drying room (24), air source heat pump room (5), ventilation duct (6), fan, control box (2), main distribution cabinet (1), photovoltaic panel (11), automatic tracking It is composed of light device, photovoltaic electric heating film (19), etc. The inside of the drying room is mainly equipped with photovoltaic electric heating film (19), photovoltaic electric heating film support and hanger (20), material truck (21), material truck guide rail (22), temperature and humidity sensor and wind speed sensor. The connection between the upper part of the drying room and the ventilation duct adopts a uniform and symmetrically distributed square opening structure to introduce hot air into the drying room, making the heat flow field inside the drying room more uniform. An automatic light tracking device is installed at the bottom of the photovoltaic panel to effectively improve solar energy utilization. The drying chamber has good internal heat flow field uniformity, is energy-saving and environmentally friendly, safe and efficient, saves a lot of manpower and material resources, and has good application prospects.

Description

An air source heat pump drying room for photovoltaic electric heating film

Technical field

The invention belongs to the technical field of agricultural product processing, and specifically relates to an air source heat pump drying room for photovoltaic electric heating films.

Background technique

The drying room is a type of drying equipment widely used in various industries, especially in the field of agricultural product processing. The drying room can adjust supply and demand, remove seasonal surplus, and reduce post-harvest spoilage losses. It has good versatility, convenient operation, and is easy to use. It has the advantages of high performance, high cost performance, large processing capacity, low failure rate, and not easily affected by climatic conditions. It has always been the most commonly used industrial and agricultural drying method.

However, there are also some problems in the drying room, such as long drying time for materials, high energy consumption and production costs, uneven drying of materials and scorching phenomenon, and manual turning of the plates, which may inadvertently cause a certain amount of artificial pollution. It seriously affects the quality of dried products and consumes a lot of non-renewable energy.

Chinese Patent No. CN102564097A discloses a multifunctional solar drying room heat collection system that converts solar energy into thermal energy to heat the drying room through solar collectors, thermal insulation water tanks, circulating return pipes, and heat converters. However, multiple thermal energy conversion processes The medium energy efficiency conversion rate is low, a large amount of heat energy is lost during the conversion process, and the energy utilization rate is low.

Contents of the invention

In order to solve the above problems, the purpose of the present invention is to provide an air source heat pump drying room with photovoltaic electric heating film, which has good internal heat flow field uniformity, so as to solve the common problem of long material drying time, energy consumption and production in existing agricultural product drying rooms. The cost is high, the materials are unevenly dried and burnt, and manual turning over may inadvertently cause a certain amount of artificial pollution and other problems.

The present invention is achieved through the following technical solutions:

The invention discloses an air source heat pump drying room for photovoltaic electric heating film, which is characterized in that it includes a control box (2), a main distribution box (1) and a drying room body (10). The drying room body (10) ) is a closed space composed of the drying room insulation layer (23) and the roof. The drying room body (10) is provided with a main door (14) and a side door (16). There is a large observation window (15) at the main door of the drying room. The drying room A small observation window (17) is left on the side door; the connection between the drying chamber ventilation duct (6) and the drying chamber body (10) adopts a square opening structure evenly and symmetrically distributed. The drying room (24) is equipped with a material cart (21), a material cart guide rail (22), a temperature and humidity sensor, a wind speed sensor, and a photovoltaic electric heating film (19) heating system; the air source heat pump room (5) contains an air chamber inside , condenser, compressor, expansion valve, evaporator, the air source heat pump room (5) is equipped with a moisture removal window (8), a heat dissipation grid (9) and an air intake fan, and a heat pump room distribution box (7).

Further, a photovoltaic electric heating film (19) heating system is provided inside the drying chamber (24). The photovoltaic electric heating film (19) heating system is evenly distributed at each 1/3 of the center line of the width of the drying chamber (24).

Further, each solar photovoltaic panel is evenly distributed in an 8*11 matrix. The photovoltaic panel is equipped with an automatic light chasing device. The automatic light chasing device consists of a light chasing bracket (12) and a light chasing rotating shaft (13). The light chasing bracket (13) The tilt angle range of 12) is 30°-45°, and the rotation angle range of the light-tracing rotating shaft (13) is -60°-60°.

Further, the connection between the ventilation duct (6) and the drying chamber body (10) adopts a uniform and symmetrically distributed square opening structure. The drying chamber body (10) has 8 openings in the length direction and 8 openings in the width direction. There are 4 square openings with a side length of 50 cm. The uniform and symmetrically distributed opening structure makes the heat flow field distribution inside the drying chamber (24) more uniform.

Furthermore, the air source heat pump drying room for photovoltaic electric heating film is characterized in that it includes: a control box (2) controls the opening of the heat pump and the induced draft fan, so that the outside air enters the air chamber of the air source heat pump room (5) through the action of the fan. , and after secondary heating by the condenser, the hot air flow is introduced into the ventilation duct (6) by the induction fan, and then the hot air flow is introduced into the drying chamber (24) through the evenly and symmetrically distributed opening structure, and the hot air flow gradually diffuses downwards , the heat-exchanged gas is discharged through the fan. The control box (2) can also control the photovoltaic electric heating film (19) heating system to work independently, convert electrical energy into mid- and far-infrared rays through the photoelectric effect, and heat the product through air convection or infrared radiation. According to actual needs, the drying room is divided into photovoltaic electric heating film (19) heating system independent drying, air source heat pump independent drying and photovoltaic electric heating film (19) heating system combined with air source heat pump drying.

The above-mentioned air source heat pump drying room for photovoltaic electric heating films disclosed by the present invention has an even distribution of hot air flow throughout the entire interior, which has a good effect on improving the performance and drying quality of drying equipment in the drying room. It is a hot air convection circulation type with high efficiency. Drying equipment.

Description of drawings

Figure 1 is a schematic rear perspective view of the overall structure of the present invention.

Figure 2 is a schematic front oblique view of the overall structure of the present invention.

Figure 3 is a schematic diagram of the internal structure of the drying chamber of the present invention.

In the picture: 1 is the main power distribution cabinet, 2 is the control box, 3 is the industrial control display screen, 4 is the wire trough, 5 is the air source heat pump room, 6 is the ventilation duct, 7 is the air source heat pump room power distribution cabinet, 8 is the air The dehumidification window of the source heat pump room, 9 is the heat dissipation pane, 10 is the drying room body, 11 is the photovoltaic panel, 12 is the light chasing bracket, 13 is the light chasing shaft, 14 is the main entrance, 15 is the large observation window of the main entrance, 16 is Side door, 17 is the small observation window of the side door, 18 is the drying room dehumidification window, 19 is the photovoltaic electric heating film, 20 is the photovoltaic electric heating film support and hanger, 21 is the material truck, 22 is the material truck guide rail, 23 is the drying room insulation Floor 24 is the drying room.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, the content of which is an explanation of the present invention rather than a limitation:

As shown in Figure 1-3, it is an air source heat pump drying room for photovoltaic electric heating film of the present invention, including a control box (2), a main distribution box (1) and a drying room body (10). The drying room body (10 ) is a closed space composed of the drying room insulation layer (23) and the roof. The drying room body (10) is provided with a main door (14) and a side door (16). There is a large observation window (15) at the main door of the drying room. The drying room A small observation window (17) is left on the side door; the connection between the drying chamber ventilation duct (6) and the drying chamber body (10) adopts a square opening structure evenly and symmetrically distributed. The drying room (24) is equipped with a material cart (21), a material cart guide rail (22), a temperature and humidity sensor, a wind speed sensor, and a photovoltaic electric heating film (19) heating system; the air source heat pump room (5) contains an air chamber inside , condenser, compressor, expansion valve, evaporator, the air source heat pump room (5) is equipped with a moisture removal window (8), a heat dissipation grid (9) and an air intake fan, and a heat pump room distribution box (7).

The drying room (24) is equipped with a material cart (21), a material cart guide rail (22), a temperature and humidity sensor, a wind speed sensor, and a photovoltaic electric heating film (19) heating system; preferably, the temperature and humidity sensor and the wind speed sensor are located in In the center of the drying chamber, the photovoltaic electric heating film (19) heating system is evenly distributed at 1/3 of the center line of the width of the drying chamber (24).

In one embodiment of the invention:

The connection between the ventilation duct (6) and the drying chamber body (10) adopts a uniform and symmetrically distributed square opening structure. The drying chamber body (10) has 8 openings in the length direction and 4 openings in the width direction. , the side length of the square opening is 50cm.

The control box (2) controls the opening of the heat pump and the induced draft fan, so that the outside air enters the air chamber of the air source heat pump room (5) through the action of the fan. After being reheated by the condenser, the induction fan introduces the hot air flow into the ventilation duct ( 6) and then introduce the hot air flow into the drying chamber (24) through the evenly and symmetrically distributed opening structure, the hot air flow gradually diffuses downward, and the heat-exchanged gas is discharged through the action of the fan. The control box (2) can also control the photovoltaic electric heating film (19) heating system to work independently, convert electrical energy into mid- and far-infrared rays through the photoelectric effect, and heat the product through air convection or infrared radiation.

The above descriptions are only part of the embodiments of the present invention. Although some terms are used in the present invention, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present invention. Interpreting them as any additional restrictions is contrary to the spirit of the present invention. The above is only an example to further illustrate the content of the present invention, so as to make it easier to understand, but it does not mean that the implementation of the present invention is limited to this. Any technical extension or re-creation based on the present invention is subject to the scope of the present invention. protection of.

Claims (5)

1. An air source heat pump drying room for photovoltaic electric heating film, which is characterized in that it includes a control box (2), a main distribution box (1) and a drying room body (10). The drying room body (10) consists of The drying room is a closed space formed by the insulation layer (23) and the roof. The drying room body (10) is provided with a main door (14) and a side door (16). A large observation window (15) is left at the main door of the drying room, and a large observation window (15) is left at the side door of the drying room. There is a small observation window (17); the connection between the drying room ventilation duct (6) and the drying room body (10) adopts a uniform and symmetrically distributed square opening structure, and the drying room (24) is equipped with a material cart (21), Material truck guide rail (22), temperature and humidity sensor and wind speed sensor, and photovoltaic electric heating film (19) heating system; the air source heat pump room (5) contains an air chamber, condenser, compressor, expansion valve, evaporator, and air source The heat pump room (5) is equipped with a moisture removal window (8), a heat dissipation grid (9), an air intake fan, and a heat pump room distribution box (7). 2. The air source heat pump drying room for photovoltaic electric heating films according to claim 1, characterized in that a photovoltaic electric heating film (19) heating system is provided inside the drying chamber (24), and the photovoltaic electric heating film (19) The heating system is evenly distributed at 1/3 of the center line of the width of the drying chamber (24). 3. The air source heat pump drying room for photovoltaic electric heating films according to claim 1, characterized in that each solar photovoltaic panel is evenly distributed in an 8*11 matrix, and the photovoltaic panels are equipped with an automatic light following device to automatically follow the light. The device consists of a light chasing bracket (12) and a light chasing rotating shaft (13). The tilt angle range of the light chasing bracket (12) is 30° to 45°, and the rotation angle range of the light chasing rotating shaft (13) is -60° to 60°. °. 4. The air source heat pump drying room for photovoltaic electric heating films according to claim 1, characterized in that the connection between the ventilation duct (6) and the drying room body (10) adopts a uniform and symmetrically distributed square opening structure. The number of openings in the length direction of the room body (10) is 8, the number of openings in the width direction is 4, the side length of the square opening is 50cm, the uniform and symmetrically distributed opening structure allows the heat flow inside the drying chamber (24) The field distribution is more even. 5. The air source heat pump drying room for photovoltaic electric heating films according to any one of claims 1 to 4, characterized in that it includes: a control box (2) controls the opening of the heat pump and the induced draft fan, so that the outside air passes through the fan It enters the air chamber of the air source heat pump room (5) and is heated twice by the condenser. The hot air flow is introduced into the ventilation duct (6) by the induction fan, and then the hot air flow is introduced into the drying room through the evenly and symmetrically distributed opening structure. In (24), the hot air flow gradually spreads downward, and the heat-exchanged gas is discharged by the fan; the control box (2) can also control the photovoltaic electric heating film (19) heating system to work independently, and converts electrical energy into COSCO through the photoelectric effect. Infrared rays heat products through air convection or infrared radiation; the drying room is divided into photovoltaic electric heating film (19) heating system independent drying, air source heat pump independent drying and photovoltaic electric heating film (19) heating system combined air source heat pump drying according to actual needs .