Closed cabin for mushroom planting

Abstract

The utility model discloses a sealed cabin for mushroom planting, which relates to the technical field of mushroom planting, and comprises a sealed cabin, a plastic film air supply pipe is suspended at a position 100mm below the top of the inner side of the sealed cabin, and two ends of the inner part of the plastic film air supply pipe are respectively provided with a water atomizer. One end of the plastic film air supply pipe is connected with an air source heat pump user side heat exchange system, the middle of one end of the air source heat pump user side heat exchange system is connected with a heat preservation pipeline, one end of the heat preservation pipeline is provided with a fresh air system, and an upper hole is formed in the connecting position of the heat preservation pipeline and the closed cabin. The system has the advantages that control air outlets of three control factors are integrated into one outlet, equipment basic conditions are provided for linkage control of the three factors, the three control units are integrated into one system, the temperature, humidity and carbon dioxide concentration in the closed cabin can be adjusted accurately, and the system is convenient to operate. And high-humidity atomized water drops can be prevented from dropping on the mushrooms to influence normal growth of the mushrooms.

Description

Technical Field

[0001] The utility model relates to the technical field of mushroom cultivation, in particular to a closed cabin used for mushroom cultivation. Background Art

[0002] The use of closed mushroom cultivation cabins for artificial mushroom cultivation is an artificial mushroom cultivation method that has emerged in recent years. The so-called closed cabin is constructed with insulation panels, which is completely isolated from the ambient air and all or part of the sunlight. The closed cabin uses artificial supplementary light sources to adjust the light intensity, an air source heat pump to adjust the temperature in the closed cabin, a fresh air system to replace the high carbon dioxide air in the closed cabin, and spray humidification to increase the humidity in the closed cabin, so as to achieve precise control of environmental factors such as light intensity, temperature, humidity, and carbon dioxide concentration. The mushroom sticks for mushroom growth are put in at one time, and the mushrooms grow around the clock under suitable artificial conditions until the nutrients contained in the mushroom sticks are exhausted, so that mushrooms can be produced in a short time and in large quantities.

[0003] The internal environment of the existing mushroom cultivation closed cabin is controlled by a temperature control system, i.e., an air source heat pump; a humidity control system, i.e., a humidification system; and a carbon dioxide control system, i.e., a fresh air system. The three systems are relatively independent units and operate independently and are controlled separately.

[0004] The temperature control in the mushroom cultivation closed cabin includes heating and cooling. Usually, an air source heat pump system is used to raise or lower the temperature of the air in the mushroom cultivation closed cabin. When the air source heat pump system raises the temperature of the air in the mushroom cultivation closed cabin, it only changes the temperature in the mushroom cultivation closed cabin, and has no effect on the humidity conditions in the closed cabin. However, the outlet air after heating is high-temperature air. Although the water vapor concentration of the outlet air does not change, the relative humidity decreases after the temperature rise, and a small area of ​​high-temperature and low-relative-humidity air appears near the heated air outlet. The mushrooms in the small area may become dehydrated and wither in this high-temperature and low-relative-humidity air area. When the air source heat pump system cools down the air in the closed cabin for mushroom cultivation, since the air in the closed cabin is high-humidity air, condensation will occur when the temperature is reduced in the heat exchange system on the user side of the air source heat pump. That is, condensation may occur on the heat exchange interface of the heat exchanger and remove moisture, resulting in a decrease in the water vapor concentration of the air after cooling. That is, the outlet of the temperature-reduced air is saturated humidity air under low temperature conditions, but the water vapor concentration is lower than that of the air in the closed cabin, that is, dehydration occurs. On the one hand, the low-temperature and high-humidity environment in a small area near the outlet affects the growth of mushrooms. On the other hand, the water vapor concentration of the air in the closed cabin is reduced, requiring additional humidification, which increases the control difficulty and operating cost.

[0005] Control of humidity in the closed cabin for mushroom cultivation: With the growth of mushrooms in the closed cabin, the water vapor concentration in the closed cabin gradually decreases, and water needs to be supplemented. Usually, humidification is achieved by water mist vaporization. Water mist is sprayed from the atomization equipment, and the atomized fine water droplets vaporize into water vapor in the air of the closed cabin. The speed of water droplet atomization depends on the relative humidity of the air. The vaporization speed is slow when the relative humidity of the air is high, and no vaporization occurs when the relative humidity of the air is saturated. At the same time, the vaporization of water mist will absorb the heat in the air, resulting in a local temperature drop in the vaporization area of ​​the water mist. In this way, vaporization increases the water vapor concentration, and the temperature drop reduces the saturated humidity value, that is, the relative humidity of the air in the small vaporization area is increased. The relative humidity of the air in the closed cabin for mushroom cultivation is usually 85-90% of high humidity conditions. Therefore, under such high humidity conditions, the speed of water mist vaporization is very slow, resulting in a large number of atomized water droplets not vaporizing, that is, falling in the form of water droplets. The water droplets falling on the surface of the mushrooms will seriously affect the normal growth of the mushrooms. Utility Model Content

[0006] Based on this, the purpose of the utility model is to provide a closed cabin for mushroom cultivation, so as to solve the technical problem that the influencing factors controlled by three control units influence each other and thus affect the normal growth of mushrooms.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closed cabin for mushroom cultivation, comprising a closed cabin, a plastic film air supply pipe is suspended 100 mm downward from the top of the inner side of the closed cabin, a water atomizer is provided at both ends of the plastic film air supply pipe, one end of the plastic film air supply pipe is connected to an air source heat pump user-side heat exchange system, a heat preservation pipe is connected to the middle of one end of the air source heat pump user-side heat exchange system, one end of the heat preservation pipe is provided with a fresh air system, an upper hole is provided at the connection between the heat preservation pipe and the closed cabin, and the upper hole is located at the closed cabin. A fresh air hole is provided at the top of one end of the closed cabin, at the connection between the insulation pipe and the fresh air system, a control box is provided at the top of the rear side of one end of the closed cabin, an air source heat pump environment side heat exchange system is provided at the rear side of one end of the closed cabin, and the air source heat pump environment side heat exchange system is located directly below the control box, a lower hole is provided at the connection between the lower part of the insulation pipe and the closed cabin, a bottom hole is provided below the lower hole, an exhaust system is clamped on the inner side of the bottom hole, a water supply system is provided at one end of the exhaust system, and a test system is provided below the middle of the front side of the closed cabin and in the middle of one end of the closed cabin.

[0008] The utility model is further configured that a plurality of slings are fixedly connected to both the front and rear sides of the plastic film air supply pipe, and the plastic film air supply pipe is suspended to the top of the inner side of the closed cabin through the slings.

[0009] The utility model is further configured as follows: a water inlet solenoid valve is provided below the water atomizer, a water storage tank is provided at the rear side of one end inside the water supply system, a water supply pipe is provided above one end of the water storage tank, a quantitative water pump is provided at the connection between the water supply pipe and the middle part of one end of the water supply system, and a water inlet hole is provided at the connection between the water supply pipe and the closed cabin.

[0010] The utility model is further configured that a fresh air fan is provided at one end inside the fresh air system, a fresh air filter is provided at one end of the fresh air fan, and a fresh air electric air valve is provided at one end of the fresh air filter.

[0011] The utility model is further configured that an exhaust fan is provided at one end of the inner side of the exhaust system, and an exhaust electric air valve is provided at one end of the exhaust fan.

[0012] The utility model is further configured that an electric air valve is provided at one end of the inner side of the lower hole, and the electric air valve is located below the insulation pipe and is fixedly connected to the bottom of the insulation pipe.

[0013] In summary, the utility model mainly has the following beneficial effects: the control air outlets of the three control factors are combined into one outlet, which provides the basic equipment conditions for the linkage control of the three elements, and integrates the three control units into a system, which is convenient for accurately adjusting the temperature, humidity and carbon dioxide concentration in the closed cabin, and is beneficial to preventing high-humidity atomized water droplets from falling on the mushrooms and affecting their normal growth. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the front view of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the side view of the utility model;

[0016] Figure 3 It is a schematic structural diagram of a top view of the utility model.

[0017] In the figure: 1. Plastic film air supply duct; 101. Lifting rope; 2. Water atomizer; 201. Water inlet solenoid valve; 3. Heat exchange system on the user side of air source heat pump; 4. Insulation pipe; 5. Fresh air system; 501. Fresh air fan; 502. Fresh air filter; 503. Fresh air electric air valve; 6. Exhaust system; 601. Exhaust fan; 602. Exhaust electric air valve; 7. Heat exchange system on the environment side of air source heat pump; 8. Water supply system; 801. Dosing water pump; 802. Water supply pipe; 803. Water storage tank; 804. Water inlet hole; 9. Test system; 10. Control box; 11. Upper hole; 12. Lower hole; 1201. Electric air valve; 13. Fresh air hole; 14. Bottom hole; 15. Closed cabin. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0019] The following describes an embodiment of the utility model based on its overall structure.

[0020] A closed cabin for mushroom cultivation, such as Figure 1-Figure 3 As shown, a water atomizer 2 is arranged inside a plastic film air supply pipe 1, and the water atomizer 2 is quantitatively supplied with water by a water supply system 8 composed of a water storage tank 803 and a quantitative water pump 801. The water atomizer 2 can be atomized by an ultrasonic atomizer or a high-pressure spray nozzle, and the water quality of the spray water should be softened water or desalted water to prevent scaling of the atomizer;

[0021] The water atomizer 2 is composed of an atomizer A arranged near the air outlet of the heat exchange system 3 on the user side of the air source heat pump, and an atomizer B arranged near the air outlet of the plastic film air supply pipe 1. The atomizer A or the atomizer B is turned on according to the operating state of the heat exchange system 3 on the user side of the air source heat pump;

[0022] The heat exchange system 3 on the user side of the air source heat pump adopts a copper tube and aluminum fin heat exchanger. Air exchanges heat with the refrigerant flowing in the copper tube through the surface of the copper tube and aluminum fin. The copper tube and aluminum fin heat exchanger is sealed by an outer shell with circular holes on both sides. A frequency-modulated fan is arranged in the sealed outer shell to extract air from one circular hole. After being heated / cooled by the copper tube and aluminum fin heat exchanger, the air is sent out through another circular hole. The copper tube through which the refrigerant circulates is connected to the environment side heat exchanger through a compressor and an expansion valve. One of the two circular holes in the sealed outer shell is sealed to a plastic film air supply pipe bag, and the other is sealed to an upper hole 11 opened on the side wall of the closed cabin. The heat exchange system 3 on the user side of the air source heat pump is arranged on one side wall of the inner length direction of the closed cabin 15 for mushroom cultivation, and is fixed to the side wall by a bracket.

[0023] An upper hole 11 is provided on the side wall of the sealed cabin 15 , one side of the upper hole 11 is sealedly connected to the heat exchange system on the user side of the air source heat pump, and the other side of the upper hole 11 is sealedly connected to the insulation pipe 4 .

[0024] An insulation pipe 4 is arranged outside the closed cabin 15, and the insulation pipe 4 is a side-standing U-shape. One end of the side-standing U-shaped insulation pipe 4 is sealed and connected to an upper hole 11 opened on the side wall of the closed cabin 15, and a fresh air hole 13 is opened on the other end; the lower end of the side-standing U-shaped insulation pipe is sealed and connected to a lower hole 12 opened on the side wall of the closed cabin 15.

[0025] The fresh air hole 13 is provided with a frequency-modulated axial flow fan, an air filter, and an electric air volume regulating valve.

[0026] A lower hole 12 is provided on the side wall of the closed cabin 15, one side of the lower hole 12 is sealedly connected to the insulation pipe, and the other side is provided with an electric air volume regulating valve.

[0027] The same side wall of the sealed cabin 15 is provided with a bottom hole 14, and the bottom hole 14 is provided with a frequency-modulated axial flow fan and an electric air volume regulating valve.

[0028] The test system 9 composed of temperature, humidity, carbon dioxide concentration, and gas pressure test elements is respectively arranged inside and outside the closed cabin 15 to detect the test values ​​of mushroom growth factors inside and outside the closed cabin 15.

[0029] The air source heat pump environment side heat exchange system 7, the system includes a compressor, an expansion valve, and the environment side heat exchange system also adopts a copper tube aluminum fin heat exchanger. Air exchanges heat with the refrigerant flowing in the copper tube through the surface of the copper tube aluminum fin. The copper tube aluminum fin heat exchanger is sealed by an outer shell with circular holes on both sides. A frequency-modulated fan is arranged in the sealed outer shell to extract air from one circular hole, and after being heated / cooled by the copper tube aluminum fin heat exchanger, it is sent out through another circular hole. The air source heat pump environment side heat exchange system including the compressor and the expansion valve is connected to the user side heat exchanger by the copper tube through which the refrigerant flows through the compressor and the expansion valve. The air source heat pump environment side heat exchange system 7 is arranged on the outside of the same side wall of the above-mentioned closed cabin 15 on the supporting steel structure extending from the bottom of the closed cabin 15, and forms a whole with the closed cabin 15.

[0030] The water supply system 8 consisting of a water storage tank 803 and a quantitative water pump 801 is also arranged on the outer side of the same side wall of the above-mentioned closed cabin 15 on the supporting steel structure extending from the bottom of the closed cabin 15, forming a whole with the closed cabin 15.

[0031] The control box 10 composed of the control elements is suspended on the supporting steel structure on the outside of the same side wall of the closed cabin 15, and forms a whole with the closed cabin 15;

[0032] When replacing with fresh air:

[0033] When the carbon dioxide concentration in the closed cabin tested by the test system 9 composed of temperature, humidity, carbon dioxide concentration, and gas pressure test elements is higher than the system set value, it is necessary to start the fresh air replacement operation, as follows:

[0034] The frequency-modulated axial flow fan and the electric air volume regulating valve provided at the bottom hole 14, and the frequency-modulated axial flow fan, the air filter, and the electric air volume regulating valve provided at the fresh air hole 13 are opened to extract high-carbon dioxide air from the closed cabin and introduce low-carbon dioxide air into the closed cabin to replace the fresh air. At the same time, the electric air volume regulating valve provided at the lower hole 12 is closed to stop the internal circulation;

[0035] When the carbon dioxide concentration test result of the test system 9 is lower than the system set value, the fresh air replacement operation is stopped, that is, the frequency-modulated axial flow fan and the electric air volume regulating valve provided in the bottom hole 14, and the frequency-modulated axial flow fan, the air filter, and the electric air volume regulating valve provided in the fresh air hole 13 are closed, and the fresh air replacement is stopped. At the same time, the electric air volume regulating valve provided in the lower hole 12 is opened to switch to the internal circulation operation;

[0036] Inner loop:

[0037] Open the electric air volume regulating valve provided in the lower hole 12, and at the same time close the frequency-modulated axial flow fan and the electric air volume regulating valve provided in the bottom hole 14, and the frequency-modulated axial flow fan, the air filter, and the electric air volume regulating valve provided in the fresh air hole 13, that is, start the internal circulation;

[0038] When heating or cooling:

[0039] The air temperature input from the upper hole 11 is equal to the fresh air replacement of the ambient temperature measured by the test system 9, or the internal circulation of the measured temperature in the closed cabin, and the measured temperature is greater than the system set temperature, then the air source heat pump environment side heat exchange system 7 starts the cooling mode, cools the input air and outputs it; otherwise, it starts the heating mode, heats the input air and outputs it;

[0040] When humidifying:

[0041] When humidification is required in cooling mode, start the water atomizer 2 set at atomizer A near the air outlet of the user-side heat exchange system. When humidification is required in heating mode, start the water atomizer 2 set at atomizer B near the air outlet of the plastic film air duct bag.

[0042] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A closed cabin for mushroom cultivation, comprising a closed cabin (15), characterized in that: A plastic film air supply pipe (1) is suspended 100 mm downward from the top of the inner side of the sealed cabin (15), and a water atomizer (2) is provided at both ends of the plastic film air supply pipe (1). One end of the plastic film air supply pipe (1) is connected to an air source heat pump user-side heat exchange system (3), and the middle of one end of the air source heat pump user-side heat exchange system (3) is connected to an insulation pipe (4), and one end of the insulation pipe (4) is provided with a fresh air system (5). An upper hole (11) is provided at the connection between the insulation pipe (4) and the sealed cabin (15), and the upper hole (11) is located at the top of one end of the sealed cabin (15). A fresh air system (5) is provided at the connection between the insulation pipe (4) and the fresh air system (5). A hole (13) is provided at the top of the rear side of one end of the sealed cabin (15), a control box (10) is provided at the rear side of one end of the sealed cabin (15) and an air source heat pump environment side heat exchange system (7) is provided. The air source heat pump environment side heat exchange system (7) is located directly below the control box (10). A lower hole (12) is provided at the connection between the lower part of the insulation pipe (4) and the sealed cabin (15). A bottom hole (14) is provided below the lower hole (12). An exhaust system (6) is clamped inside the bottom hole (14). A water supply system (8) is provided at one end of the exhaust system (6). A test system (9) is provided below the middle part of the front side of the sealed cabin (15) and in the middle part of one end of the sealed cabin (15).

2. The closed cabin for mushroom cultivation according to claim 1, characterized in that: A plurality of slings (101) are fixedly connected to both the front and rear sides of the plastic film air supply pipe (1), and the plastic film air supply pipe (1) is suspended to the top of the inner side of the sealed cabin (15) via the slings (101).

3. The closed cabin for mushroom cultivation according to claim 1, characterized in that: A water inlet solenoid valve (201) is provided below the water atomizer (2); a water storage tank (803) is provided at the rear side of one end of the water supply system (8); a water supply pipe (802) is provided above one end of the water storage tank (803); a quantitative water pump (801) is provided at the connection between the water supply pipe (802) and the middle part of one end of the water supply system (8); and a water inlet hole (804) is provided at the connection between the water supply pipe (802) and the sealed cabin (15).

4. The closed cabin for mushroom cultivation according to claim 1, characterized in that: A fresh air fan (501) is provided at one end inside the fresh air system (5), a fresh air filter (502) is provided at one end of the fresh air fan (501), and a fresh air electric air valve (503) is provided at one end of the fresh air filter (502).

5. The closed cabin for mushroom cultivation according to claim 1, characterized in that: An exhaust fan (601) is provided at one end of the inner side of the exhaust system (6), and an exhaust electric air valve (602) is provided at one end of the exhaust fan (601).

6. The closed cabin for mushroom cultivation according to claim 1, characterized in that: An electric air valve (1201) is provided at one end of the inner side of the lower hole (12); the electric air valve (1201) is located below the thermal insulation pipe (4) and is fixedly connected to the bottom of the thermal insulation pipe (4).

Images