WO2022033027A1

WO2022033027A1 - Seed cultivation and culture system

Info

Publication number: WO2022033027A1
Application number: PCT/CN2021/080623
Authority: WO
Inventors: 刘飞; 孙经纬
Original assignee: 南京汉尔斯生物科技有限公司
Priority date: 2020-08-11
Filing date: 2021-03-12
Publication date: 2022-02-17
Also published as: CN111990242A

Abstract

A seed cultivation and culture system comprises a cultivation box (1) and a door (2) rotatably mounted at one side of the cultivation box (1). An inner box (7) is fixedly mounted in an internal cavity of the cultivation box (1). A bottom portion of the inner box (7) is fixedly mounted on a bottom portion of the internal cavity of the cultivation box (1). The inner box (7) and the cultivation box (1) are each provided with a ventilation window (4) formed on a sidewall thereof. A liquid storage tank (3) is fixedly mounted at an inner bottom portion of the inner box (7). A mounting rack (6) is fixedly mounted at a top portion of the liquid storage tank (3). In addition, the mounting rack (6) is fixedly connected to a sidewall of an internal cavity of the inner box (7). Multiple placement boxes (5) are fixedly mounted at an inner side of a rack body of the mounting rack (6). Respective sides and respective other sides of adjacent placement boxes (5) are connected by means of tubes. The device has high heating efficiency and low heat loss.

Description

A seed cultivation system

technical field

The invention relates to the technical field of seed cultivation, in particular to a seed cultivation system.

Background technique

Soilless cultivation does not use soil, but uses other things to cultivate plants, including hydroponics, fog (air) cultivation, and substrate cultivation. In the current seed cultivation and cultivation, soilless cultivation technology is also widely used. In cultivation technology, due to the high germination conditions of seeds, embryo development is often carried out in special incubators.

The current seed incubators generally use the method of heating the air, and then control the temperature of the entire incubator. This method causes the incubation liquid in the incubator to heat slowly, and there will be a large heat loss. The heating of the incubator is also uneven. In addition, the seeds in the incubator also need to be sprayed regularly to promote germination to ensure that the seeds have sufficient water for germination, which is more troublesome.

technical problem

The purpose of the present invention is to provide a seed cultivating and cultivating system, to solve the problem that the heating of the existing culture solution proposed in the above-mentioned background technology is relatively slow, and there will be large heat loss, and the heating of the entire incubator is not uniform at the same time. In addition, the seeds in the incubator also need to be sprayed regularly to promote germination to ensure that the seeds have sufficient water for germination, which is a troublesome problem.

technical solutions

In order to achieve the above object, the present invention provides the following technical solutions: a seed cultivation system, comprising an incubator and a box door that is rotatably installed on one side of the incubator, the inner cavity of the incubator is fixedly installed with an inner box, and the The bottom of the inner box and the bottom of the inner cavity of the incubator are fixedly installed, the side wall of the inner box and the side wall of the incubator are both provided with ventilation windows, the inner bottom of the inner box is fixedly installed with a liquid storage tank, and the A mounting bracket is fixedly installed on the top of the liquid storage tank, and the mounting bracket is fixedly connected with the side wall of the inner cavity of the inner box, and a plurality of placing boxes are fixedly installed on the inner side of the frame body of the mounting bracket.

Preferably, the placement box is a box structure with an upper opening, a placement plate is slidably installed at the upper opening of the placement box, and two side walls of the placement box are respectively provided with a liquid inlet and a liquid outlet. The height of the liquid inlet is lower than the height of the liquid outlet, and both the liquid inlet and the liquid outlet are fixedly installed with hollow flow plates.

Preferably, the side wall of the upper opening of the placing box is integrally provided with a slideway, the upper end of the placing plate is provided with a placing slot, and the placing plate is provided with uniformly distributed through holes penetrating the placing plate.

Preferably, a water pump is fixedly installed on one side of the bottom of the liquid storage tank, the water pump communicates with the liquid inlet of the uppermost placing box through a pipeline, and a PTC heating element is fixedly installed at the bottom of the liquid storage tank, so A controller is installed outside the shell of the incubator.

Preferably, both the incubator and the inner box are made of glass.

Preferably, the through hole is a cylindrical through hole or a conical through hole with a small upper opening and a large lower opening.

Preferably, the bottommost end of the liquid outlet is 20%-30% higher than the thickness of the through hole of the placing plate.

Preferably, the controller is a TMP-01 temperature controller.

Preferably, the PTC heating element is a tubular or sheet-type PTC heating element, with a thickness of 2 mm and a normal temperature resistance of 30-3000 ohms.

A seed cultivating and cultivating system, its using method is:

S1. When using, first fill the liquid storage tank inside the box with nutrient solution, and then turn on the water pump, so that the placing box is filled with nutrient solution;

S2. Then take the placement plate out of the placement box, put the seeds to be cultivated in the placement slot of the placement plate, so that the seeds are located in the through holes on the placement plate, push the placement plate into the placement box, so that the The bottom is just above the placement box;

S3. Then supply power to the TMP-01 temperature controller, close the switch SA, the primary coil of the transformer T is connected to AC power, and the secondary output 12 V AC voltage, after bridge rectification and capacitor filtering, it is supplied to the electronic temperature control circuit; temperature control The circuit's TMP-01 temperature controller's pins 1 and 2, pins 3 and 4 are respectively connected with two potentiometers to set the constant temperature; when the ambient temperature is lower than the set temperature, the temperature control Pin 6 of the IC outputs a high level, the infrared light-emitting diode emits infrared light through the forward current of 5-15 mA, so that the photosensitive bidirectional switch with the output stage of the zero-crossing detector is turned on, and the LED is lit, the bidirectional The thyristor vs trigger is turned on and the heater starts to heat up. When the ambient temperature rises to the set temperature, contrary to the above, pin six of the TMP-01 temperature controller of the temperature circuit temperature control circuit jumps from high level to low level, which makes the photosensitive bidirectional switch of the output stage turn off , the LED light is off, vs is off, so the heater is powered off to stop heating. At this time, the pin 6 of the TMP-01 temperature controller of the temperature control circuit will keep the low level all the time, and only when the ambient temperature drops below the set temperature, will it output the high level, so that the heater will be energized again; The above control process is repeated over and over again, so that the ambient temperature is always kept within the set temperature to achieve the purpose of automatic temperature control; and because the water pump transports the heated nutrient solution to the highest placing box, and the two sides of the placing box are equipped with The liquid inlet and outlet, so under the action of the potential energy of the nutrient solution, the nutrient solution will flow down layer by layer from the uppermost placing box until it flows into the liquid storage tank to continue heating. Since the nutrient solution is flowing, it is located in the inner The temperature of each layer of the box inside the box is consistent, so as to ensure that the temperature of each layer of the box is constant, so that the placing plate above the box can be kept at a constant temperature.

beneficial effect

1. In the present invention, an inner box is arranged inside the incubator, so that the incubator is called a double-layer structure, which has better thermal insulation effect, and the incubator and the inner box are made of glass material, which is more convenient for observation, and has ventilation windows, It can be ensured that there is enough air in the incubator.

2. Multiple placement boxes can effectively use space, and each placement box is connected to each other. The placement box and the liquid storage tank form a cycle, which can ensure that the nutrient solution in each placement box can be replaced in time, and the nutrient solution For heating, the nutrient solution can heat the placing box and the placing plate, and the heating method from the inside to the outside is adopted, which has higher heating efficiency than the existing direct heating of air, and then uses air to heat the culture solution, and has less heat loss, and The arrangement of the multi-layer placement box also makes the heating inside the incubator more uniform.

3. The placement plate is convenient for the placement of seeds, and the seeds placed in the placement plate can fall into the through holes. The through holes are connected to the placement box, and the evaporated water can provide enough water for the germination of the seeds, avoiding the need for germination of seeds. Water spray for seeds.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the schematic diagram of the structure of the placement plate of the present invention;

Fig. 3 is the sectional view of the incubator of the present invention;

4 is a cross-sectional view of a placement box of the present invention;

Fig. 5 is the enlarged view of A place in Fig. 4 of the present invention;

6 is a schematic diagram of the circuit structure of the present invention;

FIG. 7 is a schematic diagram of the circuit of the present invention.

In the figure: 1. Incubator; 2. Door; 3. Storage tank; 4. Ventilation window; 5. Placing box; 51. Slide; 52. Liquid outlet; 53. Liquid inlet; 6. Mounting frame ; 7, inner box; 8, pipeline; 9, flow plate; 10, placement plate; 101, through hole; 102, placement slot; 11, water pump; 12, PTC heating element; 13, controller.

Embodiments of the present invention

In order to solve the problem that the heating of the incubator is relatively slow, there will be a large heat loss, and the heating of the entire incubator is not uniform. In addition, the seeds in the incubator need to be sprayed regularly to promote germination to ensure that the seeds have sufficient water for germination, which is rather troublesome. The present invention provides a seed cultivation system. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Referring to FIGS. 1-7 , this embodiment provides a seed cultivation system, including an incubator 1 and a door 2 rotatably installed on one side of the incubator 1 . An inner cavity of the incubator 1 is fixedly installed with an inner box 7, and the bottom of the inner box 7 and the bottom of the inner cavity of the incubator 1 are fixedly installed, a vacuum structure can be formed between the inner box 7 and the side wall of the incubator 1, and some thermal insulation cotton or sponge can also be filled, so that the incubation The box 1 has a better thermal insulation effect, and the side wall of the inner box 7 and the side wall of the incubator 1 are provided with ventilation windows 4, which are convenient to provide air to the interior of the inner box 7, and the ventilation windows 4 are provided with side walls, Ensure that a vacuum is formed between the inner box 7 and the shell of the incubator 1, or provide support for the thermal insulation cotton or sponge filled in the inner box 7 and the shell of the incubator 1 to prevent the thermal insulation cotton or sponge from falling. A liquid storage tank 3 is fixedly installed at the bottom of the inner side of the liquid storage tank 3, and a mounting frame 6 is fixedly installed on the top of the liquid storage tank 3, and the mounting frame 6 is fixedly connected with the side wall of the inner cavity of the inner box 7, so that the mounting frame 6 is more stable. , a plurality of placement boxes 5 are fixedly installed on the inner side of the frame body of the mounting frame 6 , and both sides of the adjacent placement boxes 5 are connected by water pipes.

Wherein, a water pump 11 is fixedly installed on the bottom side of the liquid storage tank 3, and the water pump 11 is communicated with the placing box 5 at the top through the pipeline 8, and the water pump 11 provides power for the water circulation inside the placing box 5; the placing box 5 It is a box structure with an upper opening. The upper opening of the placing box 5 is slidably installed with a placing plate 10 for placing the seeds that need to be cultivated. The side wall of the upper opening of the placing box 5 is provided with a slideway 51. , the upper end of the placement plate 10 is provided with a placement slot 102, and the placement plate 10 is provided with through holes 101 that are evenly distributed and run through the placement plate 10, and the seeds to be cultivated and cultivated will slightly sink into the through holes 101, The shaking of the seeds is prevented, and at the same time, the through hole 101 leads to the placing box 5, and the evaporated water vapor can provide sufficient moisture for the germination of the seeds.

A PTC heating element 12 is fixedly installed on the bottom of the liquid storage tank 3, a controller 13 is installed on the outer side of the shell of the incubator 1, and the PTC heating element 12 is connected with the heating output end of the controller 13. Preferably, the described The PTC heating element 12 is a tubular or sheet-type PTC heating element, with a thickness of 2 mm and a normal temperature resistance of 30-3000 ohms.

The model of the controller 13 remains unchanged. Preferably, the controller 13 is a TMP-01 temperature controller. See Figure 6. The TMP-01 temperature controller is used in conjunction with the chip MOC3061, and the TMP-01 temperature controller of the temperature control circuit Pin 1 and pin 2, pin 3 and pin 4 are respectively connected with two potentiometers, the output end of the circuit is connected with a transformer T and a bridge, and a capacitor is installed on the output circuit of the bridge, and the switch is closed. SA, the primary coil of the transformer T is supplied with alternating current, and the secondary output is 12 V alternating voltage, which is supplied to the electronic temperature control circuit after bridge rectification and capacitor filtering; the first and second pins of the TMP-01 temperature controller of the temperature control circuit 2. Two potentiometers are connected to pins 3 and 4 respectively to set the constant temperature. Because the output terminal of pin 7 is not used, the resistance between pin 2 and pin 3 is omitted; when the ambient temperature is When the temperature is lower than the set temperature, pin 6 of the temperature control IC outputs a high level, and the infrared light-emitting diode emits infrared light through the forward current of 5-15 mA, so that the photosensitive bidirectional switch with the output stage of the zero-crossing detector conducts. On, and the LED is lit, the triac vs triggers on, and the heater starts to heat. When the ambient temperature rises to the set temperature, on the contrary to the above, the pin 6 of the TMP-01 temperature controller of the temperature control circuit jumps from high level to low level, so that the photosensitive bidirectional switch of the output stage is turned off, and the LED The light is off, and the VS is off, so the heater is powered off to stop heating. At this time, the pin 6 of the TMP-01 temperature controller of the temperature control circuit will keep the low level all the time, and only when the ambient temperature drops below the set temperature, will it output the high level, so that the heater will be energized again; The above control process is repeated over and over again, so that the ambient temperature is always kept within the set temperature to achieve the purpose of automatic temperature control.

The method of using the device is:

S1. When in use, first fill the liquid storage tank 3 inside the box with nutrient solution, and then turn on the water pump 11, so that the placement box 5 is filled with nutrient solution;

S2. Then the placing plate 10 is pulled out from the placing box 5, and the seeds to be cultivated are placed in the placing groove 102 of the placing plate 10, so that the seeds are located in the through holes 101 on the placing plate 10, and the placing plate 10 is pushed into the placing plate 10. in the box 5, so that the bottom of the placing plate 10 is just above the placing box 5;

S3. Then supply power to the TMP-01 temperature controller, close the switch SA, the primary coil of the transformer T is supplied with AC power, and the secondary output 12 V AC voltage, after bridge rectification and capacitor filtering, it is supplied to the electronic temperature control circuit; temperature control The circuit's TMP-01 temperature controller's pins 1 and 2, pins 3 and 4 are respectively connected with two potentiometers to set the constant temperature. Because the output terminal of pin seven is not used, it is omitted. Resistance between pin 2 and pin 3; when the ambient temperature is lower than the set temperature, pin 6 of the temperature control IC outputs a high level, and the infrared light-emitting diode emits infrared light through a forward current of 5-15 mA , so that the photosensitive bidirectional switch with the output stage of the zero-crossing detector is turned on, and the LED is lit, the bidirectional thyristor vs is triggered and turned on, and the heater starts to heat. When the ambient temperature rises to the set temperature, contrary to the above, pin six of the TMP-01 temperature controller of the temperature circuit temperature control circuit jumps from high level to low level, which makes the photosensitive bidirectional switch of the output stage turn off , the LED light is off, vs is off, so the heater is powered off to stop heating. At this time, the pin 6 of the TMP-01 temperature controller of the temperature control circuit will keep the low level all the time, and only when the ambient temperature drops below the set temperature, will it output the high level, so that the heater will be energized again; The above control process is repeated over and over again, so that the ambient temperature is always kept within the set temperature, and the purpose of automatic temperature control is achieved; Both sides are connected by water pipes, so under the action of the potential energy of the nutrient solution, the nutrient solution will flow down layer by layer from the uppermost placing box 5 until it flows into the storage tank 3 to continue heating. Since the nutrient solution is flowing, so The temperature of each layer of placement boxes 5 inside the inner box 7 is consistent, so as to ensure that the temperature of each layer of placement boxes 5 is constant, so that the placement plate 10 above the placement box 5 is kept constant.

Example 2

Please refer to FIGS. 2-4, and further improvements are made on the basis of Example 1: the two side walls of the placing box 5 are respectively provided with a liquid inlet 53 and a liquid outlet 52, and the height of the liquid inlet 53 is low. At the height of the liquid outlet 52, the liquid inlet 53 and the liquid outlet 52 are fixedly installed with a hollow liquid flow plate 9, wherein the water pump 11 communicates with the liquid inlet of the uppermost placing box 5 through the pipeline 8. The port 53 is connected, and the flow plate 9 is a horizontal U-shaped structure, and the flow plate 9 of the U-shaped structure is provided with a flow chamber for flowing water, and the flow plate 9 is respectively connected to the liquid inlet 53 of the adjacent placement box 5 And the liquid outlet 52, the bottom end of the liquid outlet 52 is higher than 20%-30% of the thickness of the through hole 101 of the placement plate 10, the liquid inlet 53 is located at the bottom of the placement box 5, and the liquid outlet at the upper end 52 can ensure the water level of the nutrient solution inside the placing box 5, so as to provide sufficient water source for the seeds.

According to any one of the above embodiments, the incubator 1 and the inner box 7 are made of glass, which is convenient for observing the inside of the incubator, and the glass has permeability, which can provide light for seeds after germination.

According to any one of the above embodiments, the through hole 101 is a cylindrical through hole or a conical through hole with a small upper opening and a large lower opening, so that the upper part of the through hole 101 has a larger diameter, which is convenient for seeds to fall into the through hole 101 , and at the same time, the seeds can be prevented from falling out of the through holes 101 , and after the seeds germinate, their roots can absorb enough nutrient solution.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the purpose of It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, "first", "second" and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and restricted, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims

A seed cultivation system, comprising an incubator (1) and a box door (2) rotatably installed on one side of the incubator (1), characterized in that: an inner cavity of the incubator (1) is fixedly installed with an inner box (7), and the bottom of the inner box (7) and the bottom of the inner cavity of the incubator (1) are fixedly installed, and the side walls of the inner box (7) and the side wall of the incubator (1) are provided with A ventilation window (4), a liquid storage tank (3) is fixedly mounted on the inner bottom of the inner box (7), a mounting bracket (6) is fixedly mounted on the top of the liquid storage tank (3), and the mounting rack (6) It is fixedly connected to the side wall of the inner cavity of the inner box (7), a plurality of placement boxes (5) are fixedly installed on the inner side of the frame body of the mounting frame (6), and two adjacent placement boxes (5) are fixedly installed. Both sides are connected by pipes.
A seed cultivation system according to claim 1, characterized in that: the placement box (5) is a box structure with an upper opening, and a placement plate ( 10), the two side walls of the placing box (5) are respectively provided with a liquid inlet (53) and a liquid outlet (52), and the height of the liquid inlet (53) is lower than the height of the liquid outlet (52). Height, the liquid inlet (53) and the liquid outlet (52) are fixedly installed with a hollow flow plate (9).
A seed cultivation system according to claim 2, characterized in that a slideway (51) is provided on the side wall of the upper opening of the placing box (5), and the upper end of the placing plate (10) is provided with a slideway (51). There is a placement groove (102), and the placement plate (10) is provided with through holes (101) which are evenly distributed and penetrate through the placement plate (10).
A seed cultivation system according to claim 1, characterized in that: a water pump (11) is fixedly installed on one side of the bottom of the liquid storage tank (3), and the water pump (11) communicates with the water pump (11) through a pipeline (8). The liquid inlet (53) of the uppermost placing box (5) is connected, the bottom of the liquid storage tank (3) is fixedly installed with a PTC heating element (12), and the outer side of the shell of the incubator (1) is installed There are controllers (13).
A seed cultivation system according to claim 1, characterized in that: the incubator (1) and the inner box (7) are made of glass.
A seed cultivation system according to claim 3, characterized in that: the through hole (101) is a cylindrical through hole or a conical through hole with a small upper opening and a large lower opening.
A seed cultivation system according to claim 6, characterized in that: the bottommost end of the liquid outlet (52) is higher than the thickness of the through hole (101) of the placing plate (10) by 20%-30% .
A seed cultivation system according to claim 4, characterized in that: the controller (13) is a TMP-01 temperature controller.
A seed cultivation system according to claim 4, characterized in that: the PTC heating element (12) adopts a tubular or sheet PTC heating element, the thickness is 2 mm, and the normal temperature resistance is 30-3000 ohms.
According to any one of the above-mentioned seed cultivation system, its using method is:

S1. When using, first fill the liquid storage tank (3) inside the box with nutrient solution, and then turn on the water pump (11), so that the placing box (5) is filled with nutrient solution;

S2. Then take the placement plate (10) out of the placement box (5), and place the seeds to be cultivated in the placement slot (102) of the placement plate (10) so that the seeds are located in the through holes on the placement plate (10). In (101), the placing plate (10) is pushed into the placing box (5), so that the bottom of the placing plate (10) is just above the placing box (5);

S3. Then supply power to the TMP-01 temperature controller, close the switch SA, the primary coil of the transformer T is connected to AC power, and the secondary output 12 V AC voltage, after bridge rectification and capacitor filtering, it is supplied to the electronic temperature control circuit; The TMP-01 temperature controller of the control circuit is connected with two potentiometers respectively to pins 1 and 2, pins 3 and 4 to set the constant temperature (because the output of pin seven is not used, saving remove the resistance between pin 2 and pin 3); when the ambient temperature is lower than the set temperature, pin 6 of the temperature control IC outputs a high level, and the infrared light-emitting diode passes through the forward current of 5-15 mA. Infrared light is emitted, the photosensitive bidirectional switch with the output stage of the zero-crossing detector is turned on, and the LED is lit, the bidirectional thyristor is triggered and turned on, and the heater starts to heat; when the ambient temperature rises to the set temperature, the same as the above On the contrary, the pin six of the TMP-01 temperature controller of the temperature control circuit of the temperature circuit jumps from a high level to a low level, so that the photosensitive two-way switch of the output stage is turned off, the LED light is off, and the VS is turned off, so the heating At this time, the TMP-01 temperature controller pin 6 of the temperature control circuit will always maintain a low level, and only when the ambient temperature drops below the set temperature will it output a high level, thereby making the heating The above control process is repeated over and over again, so that the ambient temperature is always kept within the set temperature to achieve the purpose of automatic temperature control; and because the water pump (11) transports the heated nutrient solution to the highest placement box (5 ), and both sides of the placing box (5) are provided with a liquid inlet (53) and a liquid outlet (52), so under the action of the potential energy of the nutrient solution, the nutrient solution will be gradually removed from the uppermost placing box (5). The layer flows down until it flows into the liquid storage tank (3) and continues to heat. Since the nutrient solution is flowing, the temperature of each layer of placing boxes (5) located inside the inner box (7) is consistent, so as to ensure that each layer The temperature of the placing box (5) is constant, so that the placing plate (10) above the placing box (5) is kept constant.