Rice constant-temperature breeding device

Abstract

The utility model discloses a rice constant-temperature breeding device, which belongs to the technical field of breeding equipment and comprises a box body and a box door, a solar heat collection plate is laid at the upper end of the box body and is connected with a heat storage water tank through a pipeline, a plurality of constant-temperature areas are arranged in the box body and are independently arranged, and the box door is connected with the heat storage water tank through a pipeline. A drainage groove is formed between every two constant-temperature areas, the water inlet of each constant-temperature area is connected with a water inlet pipeline through a four-way connector, the end of each water inlet pipeline is connected with the bottom of the heat storage water tank, the drainage grooves are connected with a micro water pump through water outlet pipelines, and water in the drainage grooves is sent back to the heat storage water tank through the micro water pumps. The constant-temperature area is of a groove body structure, a heat conduction plate is arranged at the top end of the constant-temperature area, and the temperature in the groove is controlled through water circulation; the constant-temperature rice breeding device effectively solves the problems that an existing constant-temperature rice breeding device is high in breeding energy consumption and poor in temperature control effect in areas with large day and night temperature difference.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of breeding equipment, in particular to a rice constant temperature breeding device. BACKGROUND

[0002] The rice constant temperature breeding device is the core equipment for rice seed germination and seedling cultivation, can accurately set and adjust temperature and time through an intelligent control system, and improves germination rate and seedling quality.

[0003] The prior art rice constant temperature breeding mostly adopts water bath constant temperature or electric heating temperature control, for the water bath constant temperature, the seed is directly immersed, resulting in humidity > 95%, inducing mold contamination, experiments show that the germination rate is reduced by 10-15%, the water bath method needs continuous water supply, water resources are seriously wasted, and uneven heating caused by temperature difference between water inlet and outlet easily exists, affecting seedling quality, and for the electric heating temperature control, the temperature can be accurately controlled, but the power consumption is large, and the breeding cost is easily increased, therefore, the traditional device relies on continuous power supply, according to the data of Chinese rice research in 2022, in the region with day and night temperature difference > 15 DEG C, the temperature fluctuation at night reaches ± 3 DEG C, resulting in a 20% decrease in seed chest rate.

[0004] In view of the above problems, it is urgent to provide a rice constant temperature breeding device with low energy consumption, good temperature control effect and adaptability to day and night temperature difference. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of rice constant temperature breeding devices with low energy consumption, good temperature control effect and adaptability to day and night temperature difference.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows: a rice constant temperature breeding device, including box and box door, the upper end of the box is paved with solar heat collecting plate, the solar heat collecting plate is connected with heat storage water tank by pipeline, a plurality of constant temperature zones are equipped in the box, and each constant temperature zone is independently arranged, and is equipped with water inlet and water outlet, drainage groove is formed between two constant temperature zones, the water inlet of each constant temperature zone is connected with water inlet pipeline by four-way joint, and the end of water inlet pipeline is connected with the bottom of heat storage water tank, drainage groove is connected with micro water pump by water outlet pipeline, water in drainage groove is sent back to heat storage water tank by micro water pump, to form closed circulation, the constant temperature zone is in groove structure, and is equipped with heat conduction plate at its top end, water flow circulation temperature control is carried out in groove, and seedling tray is placed above heat conduction plate, so that the bottom of seedling tray is attached to the surface of heat conduction plate, and heat conduction plate transmits water bath heat to seedling tray.

[0007] Further, the box is composed of outer side plate and inner side plate, the outer side plate adopts straw compression plate or waste plastic plate, the inner side plate adopts polyurethane foam plate, and aluminum foil reflective film is attached to the inner side of the inner side plate.

[0008] Further, the heat-conducting plate is made of aluminum alloy or copper material, the thickness is 1-3mm, the temperature sensor is embedded in the heat-conducting plate, the humidity sensor is arranged on the box corresponding to the seedling tray and is arranged at 1-2cm above the seedling tray.

[0009] Further, the light supplementing member is arranged above the constant temperature area, the light supplementing member comprises height-adjustable LED lamp groups, the LED lamp groups are arranged in a proportion of 6:1 and comprise red light lamp groups of 660nm and blue light lamp groups of 450nm, and the light illumination is 500-1000μmol / (m²·s).

[0010] Further, the light supplementing member and the constant temperature area are provided with the gas fog member for spraying nutrient solution or assisting in cooling, the gas fog member comprises a gas fog pipe, and the two ends of the gas fog pipe are slidably connected with the inner side wall of the box through sliding members.

[0011] Further, the top of the box is provided with an openable and closable ventilation opening, and the ventilation opening is connected with a micro exhaust fan.

[0012] Further, the box door is provided with an operation controller and a visual window for observing the breeding condition in the box, a silica gel sealing ring is arranged at the edge of the visual window, the visual window is made of double-layer vacuum glass, and argon is filled in the middle to make the heat conductivity coefficient ≤1.0W / (㎡·K).

[0013] The rice constant temperature breeding device has the following beneficial effects:

[0014] The solar heat collecting plate is combined with the heat storage water tank and the constant temperature area and the heat-conducting plate, the constant temperature area is in closed circulation with the heat storage water tank through the four-way flow equalization, and the metal heat-conducting plate is combined with the heat equalization, so that the temperature difference of each constant temperature area can be effectively controlled, the breeding quality is improved, the operation is convenient, the practicability is high, and the problems of high breeding energy consumption and poor temperature control effect in the existing rice constant temperature breeding device in the area with large diurnal temperature difference are solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the rice constant temperature breeding device.

[0016] Figure 2 It is a structure schematic view of the constant temperature area of the rice constant temperature breeding device.

[0017] Figure 3 It is a structure schematic view of the gas fog member of the rice constant temperature breeding device.

[0018] In the figure, 1, box; 2, box door; 3, solar heat collecting plate; 4, heat storage water tank; 5, constant temperature zone; 6, water inlet; 7, water outlet; 8, drain groove; 9, heat conducting plate; 11, light supplementing component; 12, aerosol component; 121, aerosol pipe; 122, sliding part; 14, micro exhaust fan; 15, visual window. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be described clearly and completely in combination with the specific embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, rather than all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment one

[0021] As Figure 1 described, the utility model provides a kind of rice constant temperature breeding device, including box 1 and box door 2, the box 1 is made of outer side plate and inner side plate, the outer side plate adopts the straw compression board or waste plastic board of thickness 1.5-2cm, and is coated with waterproof coating on its surface, the inner side plate adopts 2.5-3cm polyurethane foam board, and is pasted with aluminium foil reflection film on inner side plate inner side, the top of the box 1 is equipped with openable ventilation opening, and ventilation opening is connected 12v micro exhaust fan 14, the box door 2 is equipped with operation controller and visual window 15 for observing the breeding condition in box 1, the visual window 15 edge is equipped with silica gel sealing ring, the visual window 15 adopts double-layer vacuum glass, and is filled with argon in the middle, so that its thermal conductivity coefficient ≤1.0W / (㎡·K).

[0022] The upper end of the box 1 is paved with solar heat collecting plate 3, the solar heat collecting plate 3 is inclined at 30 ° and arranged on the top of the box 1, the solar heat collecting plate 3 is connected with heat storage water tank 4 through copper pipe line, the inner wall of the heat storage water tank 4 is made of 304 stainless steel, and the outer layer is coated with 5cm polyurethane foam, under the condition that diurnal temperature difference ≤3 ℃, the water temperature can be maintained at 40-45 ℃ at night, the capacity of the heat storage water tank 4 is designed according to the size of the box 1, for example, if the size of the box 1 is 2*1*1.5m, the capacity of the heat storage water tank 4 is selected as 200L.

[0023] The box 1 is provided with a plurality of constant temperature zones 5, and each constant temperature zone 5 is independently provided, so that the independent constant temperature zone 5 of the application can support the synchronous cultivation of multiple varieties, and improve the practical performance. The constant temperature zone 5 is in the form of a groove structure with a groove depth of 15 cm, and a heat conduction plate 9 is arranged at the top end thereof. Each constant temperature zone 5 is provided with a water inlet 6 and a water outlet 7, and a drainage groove 8 is formed between two constant temperature zones 5. The water inlet 6 is located at the bottom side of the groove, and the water outlet 7 is located at the top side of the groove. The water flows from bottom to top through the corresponding constant temperature zone 5. The water inlet 6 of each constant temperature zone 5 is connected with a water inlet pipeline through a four-way joint with a regulating valve, and the end of the water inlet pipeline is connected with the bottom of the heat storage water tank 4. The drainage groove 8 is connected with a micro water pump through a water outlet pipeline. The micro water pump sends the water in the drainage groove 8 back to the heat storage water tank 4, forming a closed circulation. The water flow in the groove is circulated to control the temperature. The heat conduction plate 9 is provided with a seedling raising tray above, so that the bottom of the seedling raising tray is attached to the surface of the heat conduction plate 9. The heat conduction plate 9 transmits the water bath heat to the seedling raising tray. The seedling raising tray is made of PP plastic material, and the bottom is tightly attached to the heat conduction plate 9. The seedling raising tray is provided with a rice seed layer.

[0024] The heat conduction plate 9 is made of aluminum alloy or copper material with a thickness of 1-3 mm. A temperature sensor is embedded in the heat conduction plate 9, i.e. the temperature sensor is embedded in the center position of the heat conduction plate 9. The box 1 is provided with a humidity sensor corresponding to the seedling raising tray, which is arranged 1-2 cm above the seedling raising tray and is provided with a splash-proof cover. The micro exhaust fan 14 is controlled to be opened and closed by the temperature and humidity sensor. The heat conduction plate 9 of the application is made of aluminum alloy material with a thickness of 2 mm, and has a heat conduction coefficient of 237 W / (m·K). It completely covers the top of the constant temperature zone 5, and the surface is coated with heat-resistant silicone grease with a thermal resistance of ≤0.01 m²·K / W.

[0025] The applicant conducted rice constant temperature breeding tests and obtained that, by using the traditional water bath device for rice constant temperature breeding, the average temperature difference between the water inlet and the water outlet is 3.2℃, the average temperature difference of the seedling raising tray in the transverse direction is 2.1℃, the temperature uniformity is ±3℃, the daily average power consumption is 18kWh / m², the germination rate is 82%±10%, and the temperature control accuracy is ±15%. The rice constant temperature breeding device provided by the application is used for breeding rice, and the monitoring shows that the average temperature difference between the water inlet and the water outlet is 0.4℃, the average temperature difference of the seedling raising tray in the transverse direction is 0.3℃, the temperature uniformity is ±0.5℃, the daily average power consumption is 2kWh / m², the germination rate is 95%±2%, and the temperature control accuracy is ±5%. The application can effectively control the temperature fluctuation ≤±0.5℃ by the heat conduction plate 9 and the closed loop water circulation, which can significantly improve the breeding quality.

[0026] Example Two

[0027] On the basis of the above-mentioned embodiments, in order to improve the breeding efficiency, the application is characterized in that Figure 2According to the application, the constant temperature area 5 is provided with a light supplement component 11, and the operation controller is provided with an LED lamp group control program, so that it can adapt to the needs of different breeding stages. The light supplement component 11 comprises an LED lamp group with adjustable height. The height of the LED lamp group can be adjusted according to the needs of different breeding stages. According to the test comparison, the LED lamp group of the application is set by 660 nm red light lamp group and 450 nm blue light lamp group at a ratio of 6:1, and the red light accounts for 85%. The illumination is 500-1000 μmol / (m²·s), preferably 800 μmol / (m²·s). According to the test comparison, it can accelerate the growth of chest and embryo bud sheath in the breeding process. Compared with the traditional full-spectrum white light, the germination period is shortened by 1-2 days, and the germination rate is increased by more than 10%.

[0028] Embodiment three

[0029] On the basis of the above-mentioned embodiments, in order to improve the breeding quality, the application comprises the following steps: Figures 2-3 The light supplement component 11 and the constant temperature area 5 are provided with an aerosol component 12 for spraying nutrient solution or auxiliary cooling. The aerosol component 12 comprises an aerosol pipe 121, which is provided with a plurality of aerosol nozzles on one side of the seedling tray. The aerosol pipe 121 is connected with an aerosol generator. The two ends of the aerosol pipe 121 are connected with the inner side wall of the box 1 through sliding members 122. The sliding members 122 are provided with a drive device for driving the sliding members 122 to slide the aerosol pipe 121. The box 1 is provided with a drainage port with a control valve. The aerosol component 12 is opened and closed by the temperature and humidity sensor linkage control.

[0030] The utility model discloses still can add the flexible solar photovoltaic board for the maintenance water pump, light group and the power supply of driver in the side of box 1, when using, detect whether each component operation is normal, then place the seedling tray in the corresponding constant temperature area 5 of box 1, open the light supplement component 11 through the operation controller, secondly open the micro water pump in the heat storage water tank 4 and carry out the replacement of solar heat collecting panel 3 and the water body of heat storage water tank 4, make solar heat collecting panel 3 heat flow to 50-60 DEG C, store to heat storage water tank 4 (day heat storage stage), open the regulating valve of four -way joint again, make the warm water in heat storage water tank 4 enter each constant temperature area 5, and heat plate 9 absorbs water bath heat, makes the temperature of seedling tray stable at 28±0.5 DEG C, opens the micro water pump of water tank connection and makes the water flow in box 1 can return to heat storage water tank 4 and carry out replacement, the application night constant temperature stage, heat storage water tank 4 continues water supply circulation, and the micro water pump adjusts flow according to temperature feedback, the application can reduce the breeding energy consumption through heat plate 9 even heating combination closed loop water circulation, can reduce the breeding energy consumption while significantly improving the breeding quality, thereby the existing water temperature breeding device for rice for the area of great day and night temperature difference, the problem of high breeding energy consumption and poor temperature control effect is solved. For those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0031] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A rice constant temperature breeding device, comprising a box body (1) and a box door (2), characterized in that: The upper end of the box (1) is covered with a solar collector plate (3), which is connected to a hot water storage tank (4) through a pipe. The box (1) is equipped with multiple constant temperature zones (5), and each constant temperature zone (5) is set independently. Each constant temperature zone (5) is equipped with a water inlet (6) and a water outlet (7). A drainage trough (8) is formed between each pair of constant temperature zones (5). The water inlet (6) of each constant temperature zone (5) is connected to a water inlet pipe through a four-way connector, and the end of the water inlet pipe is connected to... The bottom of the hot water storage tank (4) is connected to the drainage trough (8) and the micro water pump is connected through the water outlet pipe. The micro water pump sends the water in the drainage trough (8) back to the hot water storage tank (4) to form a closed loop. The constant temperature zone (5) is a tank structure and a heat conduction plate (9) is provided at its top. The temperature in the tank is controlled by water circulation. A seedling tray is placed above the heat conduction plate (9) so that the bottom of the seedling tray is in contact with the surface of the heat conduction plate (9). The heat of the water bath is transferred to the seedling tray through the heat conduction plate (9).

2. The rice constant temperature breeding device according to claim 1, characterized in that: The box body (1) is composed of an outer side panel and an inner side panel. The outer side panel is made of straw compressed board or waste plastic board, and the inner side panel is made of polyurethane foam board. An aluminum foil reflective film is attached to the inner side of the inner side panel.

3. The rice constant-temperature breeding device according to claim 1, characterized in that: The heat-conducting plate (9) is made of aluminum alloy or copper and has a thickness of 1-3mm. A temperature sensor is embedded inside the heat-conducting plate (9). A humidity sensor is provided in the box (1) corresponding to the seedling tray and is placed 1-2cm above the seedling tray.

4. The rice constant-temperature breeding device according to claim 1, characterized in that: Above the constant temperature zone (5) is a supplementary lighting component (11), which includes a height-adjustable LED light group. The LED light group is composed of a 660nm red light group and a 450nm blue light group in a 6:1 ratio, with an illumination of 500-1000μmol / (m²·s).

5. The rice constant-temperature breeding device according to claim 4, characterized in that: Between the supplementary lighting component (11) and the constant temperature zone (5), there is an aerosol component (12) for spraying nutrient solution or assisting in cooling. The aerosol component (12) includes an aerosol tube (121), and the two ends of the aerosol tube (121) are slidably connected to the inner side wall of the box body (1) through a sliding member (122).

6. The rice constant temperature breeding device according to claim 1, characterized in that: The top of the box (1) is provided with an openable vent, and the vent is connected to a miniature exhaust fan (14).

7. The rice constant-temperature breeding device according to claim 1, characterized in that: The door (2) is equipped with an operation controller and a viewing window (15) for observing the breeding situation inside the box (1). The edge of the viewing window (15) is equipped with a silicone sealing ring. The viewing window (15) is made of double-layer vacuum glass and filled with argon gas in the middle, so that its thermal conductivity is ≤1.0W / (㎡·K).

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