CN111657134A

CN111657134A - Wheat seedling cultivation and growth cabin control method

Info

Publication number: CN111657134A
Application number: CN202010579375.3A
Authority: CN
Inventors: 李正权; 黄云龙; 孙煜嘉; 林媛; 李梦雅; 刘洋; 吴琼; 李宝龙; 武贵路
Original assignee: Jiangnan University
Current assignee: Jiangnan University
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-15

Abstract

The invention provides a wheat seedling cultivation and growth cabin which can efficiently cultivate pollution-free high-quality barley seedlings in a short time, improve the seedling cultivation efficiency and ensure the quality. Meanwhile, the invention also discloses a control method of the wheat seedling cultivation and growth cabin. It includes: the growth cabin shell is arranged on the base, the seedling culture supports are arranged in the growth cabin shell in a layered mode, and the seedling culture tray is placed on the seedling culture supports; seedling raising areas are divided from each layer of seedling raising support along the width direction, each seedling raising area is provided with a seedling raising plate, and an illuminating lamp is arranged between every two seedling raising plates; the seedling raising support and the seedling raising tray are provided with installation inclination angles with the horizontal plane in the width direction of the seedling raising support; a water receiving groove is formed in the bottom of the growth cabin on the lower side of the seedling raising plate; a water tank is arranged on one side of the growth cabin shell, a water pipe is fixedly arranged on each layer of seedling culture support, and water inlets of all the water pipes are connected with a water pump arranged in the water tank.

Description

Wheat seedling cultivation and growth cabin control method

Technical Field

The invention relates to the technical field of seedling raising devices, in particular to a wheat seedling cultivation and growth cabin and a control method of the growth cabin.

Background

The barley seedling is a high-nutrition food material, and can promote metabolism and enhance immunity after being eaten for a long time. With the increasing demand for barley grass in the market, the requirements for quality and production of barley grass are also increasing. Although there are many plant cultivation devices in common use on the market, barley seedlings have their own characteristics because of their growth. The cultivation of barley seedlings by using a general plant cultivation device can cause the problems of overlong cultivation period and low quality of barley seedlings.

Disclosure of Invention

In order to solve the problems of overlong cultivation period and low quality of barley seedlings caused by cultivating the barley seedlings by using a general plant cultivation device, the invention provides the barley seedling cultivation and growth cabin which can efficiently cultivate the barley seedlings with high quality and no pollution in a short time, improve the seedling cultivation efficiency and ensure the quality. Meanwhile, the invention also discloses a control method of the wheat seedling cultivation and growth cabin

The technical scheme of the invention is as follows: a wheat seedling cultivation and growth cabin comprises: the growth cabin shell is mounted on the base, the seedling culture supports are mounted inside the growth cabin shell in a layered mode, and the seedling culture tray is placed on the seedling culture supports; the method is characterized in that: the seedling support is a rectangular frame, seedling areas are divided on each layer of the seedling support along the width direction, each seedling area is provided with one seedling tray, and an illuminating lamp is arranged between every two seedling trays; the seedling support and the seedling tray are provided with installation inclination angles with the horizontal plane in the width direction of the seedling support; a water receiving groove is formed in the bottom of the growth cabin on the lower side of the seedling raising plate, and a water outlet is formed in one side of the water receiving groove;

the water tank is arranged on one side of the growth cabin shell, a water pipe is fixedly arranged on each layer of the seedling culture support, a water outlet of the water pipe is arranged above the higher side of each seedling culture disc, and water inlets of all the water pipes are connected with water pumps arranged in the water tanks.

It is further characterized in that:

an air conditioner and a fan are arranged on the upper part of the side wall of one side of the growth cabin shell, a cabin air inlet is arranged at the adjacent position of the fan, and a cabin air outlet is arranged at the bottom of the side wall of the growth cabin shell;

the growth cabin control system comprises a growth cabin shell, a temperature and humidity sensor and a touch screen, wherein the temperature and humidity sensor is arranged at the middle position in the growth cabin shell; the cabin body air inlet and the cabin body air outlet are respectively communicated with the cabin of the growth cabin shell through a one-way air inlet valve and an air outlet valve; each water pipe is connected with a switch for controlling all water outlets of the water pipe by an electromagnetic valve for water control; the touch screen, the temperature and humidity sensor, the air inlet valve, the air outlet valve, the water control electromagnetic valve, the illuminating lamp, the water pump, the air conditioner and the fan are respectively and electrically connected with the growth cabin control system;

the base is a frame body, and the shape of the frame body is matched with that of the bottom of the growth cabin shell; the water receiving groove and the horizontal plane form an included angle, the bottom of the lower end of the water receiving groove is provided with the water outlet, and the water outlet penetrates through the frame body of the base and is connected with the water tank through the water circulating device;

the inner layer of the growth cabin shell is made of stainless steel materials, the middle layer of the growth cabin shell is made of polyurethane materials, and the outer layer of the growth cabin shell is made of iron materials;

the growth cabin control system comprises a controller module, wherein the controller module comprises a single chip microcomputer U1, a liquid crystal module interface J1, a socket P1, an instrument interface P2, a transceiver chip U2, a memory chip U3, an SWD interface P3, capacitors C1-C20, resistors R1-R8 and a crystal oscillator Y1;

a pin 9 of the singlechip U1 and a pin 2 of the crystal oscillator Y1 are connected with one end of the capacitor C1, the other end of the capacitor C1 is connected with one end of the capacitor C2 and then grounded, and the other end of the capacitor C2, a pin 10 of the singlechip U1 and a pin 1 of the crystal oscillator are connected with each other; a pin 6 of the single chip microcomputer U1, one end of the resistor R2 and one end of the resistor R3 are connected and then connected to a power supply VCC3.3,

pins

15, 23, 36, 49, 62, 72, 82, 91, 103, 114, 127, 136, 149, 159 and 172 of the single chip microcomputer U1, one ends of the capacitors C8-C20, the other end of the resistor R2 and the other end of the resistor R3 are connected and then connected to the power supply V3.3M, and the other ends of the capacitors C8-C20 are grounded; the pin 39 of the singlechip U1, one end of the resistor R1, one end of the capacitor C3 and one end of the capacitor C4 are connected with each other, the other end of the capacitor C3 and the other end of the capacitor C4 are respectively connected to the pin 37 of the singlechip U1, and the other end of the resistor R1 is grounded;

pins

14, 22, 61, 71, 90, 102, 113, 126, 135, 148 and 158 of the single chip microcomputer U1 are grounded;

the 1 pin of the SWD interface P3 is grounded, the 2 pin of the SWD interface P3 is connected with the 137 pin of the singlechip U1, the 3 pin of the SWD interface P3 is connected with the 124 pin of the singlechip U1, the 4 pin of the SWD interface P3 is connected with the 6 pin of the singlechip U1, and the 5 pin of the SWD interface P3 is connected with the 138 pin of the singlechip U1;

the pin 1, the pin 2, the pin 3 and the pin 4 of the memory chip U3 are grounded, the pin 5 of the memory chip U3 is connected with one end of the resistor R5, the pin 6 of the memory chip U3 is connected with one end of the resistor R4, the other end of the resistor R4 and the other end of the resistor R5 are connected with the pin 6 of the singlechip U1, the pin 7 of the memory chip U3 is grounded, the pin 8 of the memory chip U3 is connected with one end of the capacitor C5 and then connected with the pin 6 of the singlechip U1, and the other end of the capacitor C5 is grounded;

a pin 1 of the transceiver chip U2 is connected to a pin 47 of the single chip microcomputer U1,

pins

2 and 3 of the transceiver chip U2 are connected to a pin 163 of the single chip microcomputer U1, a pin 4 of the transceiver chip U2 is connected to a pin 42 of the single chip microcomputer U1, a pin 5 of the transceiver chip U2 is grounded, a pin 6 of the transceiver chip U2 is connected to one end of the resistor R8, one end of the resistor R7, and a pin 1 and a pin 3 of the meter interface P2 and then grounded, a pin 7 of the transceiver chip is connected to the other end of the resistor R8, one end of the resistor R6, and a pin 2 of the meter interface P2, a pin 8 of the transceiver chip is connected to the other end of the resistor R7, and one end of the capacitor C6 and then connected to a pin 6 of the single chip microcomputer U1, and the other end of the capacitor C6 is connected to the other end of the capacitor R6;

the 1 pin and the 2 pin of the liquid crystal module interface J1 are connected with one end of the capacitor C7 and then connected with a power supply, the 3 pin, the 4 pin and the 5 pin of the liquid crystal module interface J1 and the other end of the capacitor C7 are connected with the rear ground, the 6 pin of the liquid crystal module interface J1 is connected with the 86 pin of the singlechip U1, the 7 pin of the liquid crystal module interface J1 is connected with the 87 pin of the singlechip U1, the 8 pin of the liquid crystal module interface J1 is connected with the 88 pin of the singlechip U1, the 9 pin of the liquid crystal module interface J1 is connected with the 89 pin of the singlechip U1, the 11 pin, the 12 pin and the 13 pin of the liquid crystal module interface J1 are grounded, the 14 pin of the liquid crystal module interface 737J 6 is connected with the 128 pin of the singlechip U1, the 15 pin of the liquid crystal module interface J1 is connected with the 129 pin of the singlechip U1, the 16 pin of the liquid crystal module interface J1 is connected with the 130 pin of the singlechip U1, the 18 pin of the liquid crystal module interface J1 is connected with the 132 pin of the singlechip U1, the 19 pin of the liquid crystal module interface J1 is connected with the 133 pin of the singlechip U1, the 20 pin and the 21 pin of the liquid crystal module interface J1 are grounded, the 22 pin and the 23 pin of the liquid crystal module interface J1 are grounded, the 25 pin of the liquid crystal module interface J1 is connected with the 173 pin of the singlechip U1, the 26 pin of the liquid crystal module interface J1 is connected with the 174 pin of the singlechip U1, the 27 pin of the liquid crystal module interface J1 is connected with the 175 pin of the singlechip U1, the 28 pin of the liquid crystal module interface J1 is connected with the 176 pin of the singlechip U6329, the 31 pin of the liquid crystal module interface J1 is connected with the 12 pin of the singlechip U1, the 32 pin of the liquid crystal module interface J1 is connected with the 11 pin of the singlechip U1, the 35 pin of the liquid crystal module interface J1 is connected with the 7 pin of the singlechip U1, and the 1 pin of the singlechip U573134, the pin 40 of the liquid crystal module interface J1 is connected with the pin 138 of the singlechip U1, and the

pins

41 and 42 of the liquid crystal module interface J1 are grounded;

a pin 1 of the socket P1 is connected with a pin 51 of the single chip microcomputer U1; the pin 2 of the socket P1 is connected with the pin 93 of the single chip microcomputer U1; the 3 pins of the socket P1 are connected with the 52 pins of the single chip microcomputer U1; the 4 pins of the socket P1 are connected with the 94 pins of the single chip microcomputer U1; the 6 pins of the socket P1 are connected with the 95 pins of the single chip microcomputer U1; the pin 8 of the socket P1 is connected with the pin 122 of the singlechip U1; the pin 9 of the socket P1 is connected with the pin 168 of the singlechip U1; the 10 pin of the socket P1 is connected with the 123 pin of the single chip microcomputer U1; the 11 pin of the socket P1 is connected with the 80 pin of the single chip microcomputer U1; the 12 pins of the socket P1 are connected with the 115 pins of the single chip microcomputer U1; the 14 pins of the socket P1 are connected with the 116 pins of the singlechip U1.

A control method of a wheat seedling cultivation and growth cabin is characterized by comprising the following steps:

s1: according to the growth period of the barley seedlings, respectively presetting a temperature threshold, a humidity threshold, the illumination cycle switch time of an illuminating lamp, the cycle switch time of a solenoid valve for water control and the starting time of fans at different stages aiming at different growth periods;

the temperature threshold and the humidity threshold are respectively a range value and respectively comprise a temperature maximum value, a temperature minimum value, a humidity maximum value and a humidity minimum value;

s2: starting a main power supply and initializing all devices;

s3: opening the fan according to a preset pre-blowing time;

s4: collecting real-time temperature data and real-time humidity data transmitted back by a temperature and humidity sensor in real time;

comparing the real-time temperature data, the real-time humidity data with the temperature threshold and the humidity threshold;

when the real-time temperature data is higher than the maximum temperature value, starting an air conditioner for refrigeration; when the real-time temperature data is lower than the temperature minimum value, starting an air conditioner to heat;

when the real-time humidity data is lower than the minimum humidity value, opening a solenoid valve for water control to water; when the real-time humidity data is higher than the maximum humidity value, starting a fan to reduce the humidity;

s5: monitoring the starting time of the electromagnetic valve for water control and the lighting lamp in real time;

when the last starting time of the water control electromagnetic valve exceeds the circulating switch time of the water control electromagnetic valve, starting the water control electromagnetic valve to enter a circulating water supplementing mode;

and when the last starting time of the illuminating lamp exceeds the illumination cycle switching time of the illuminating lamp, starting the illuminating lamp to enter a cycle illumination mode.

According to the wheat seedling cultivation and growth cabin provided by the invention, the lighting lamp is arranged between every two seedling raising plates, so that the lighting of the lighting lamp is uniform and fully shines on the seedling raising plates, the sufficient illumination intensity is ensured, the seedling raising rate is improved, and the seedling raising effect is higher; the seedling raising support is provided with an installation inclination angle, so that the seedling raising support is obliquely arranged in the width direction, when the seedling raising plates are placed on the seedling raising support for use, a water outlet of a water pipe is arranged above the higher side of each seedling raising plate, the culture water is uniformly left from the high position of the seedling raising plate, the redundant water flows to the lower side and enters the groove, the wheat seedlings are prevented from being cultured due to transitional soaking, all the wheat seedlings in the seedling raising plates can be uniformly soaked by the culture water, and the high seedling raising rate and the seedling raising effect are ensured by enough and moderate water; according to the technical scheme, aiming at the temperature threshold value, the humidity threshold value, the illumination circulation switching time of the illuminating lamp, the circulation switching time of the electromagnetic valve for water control and the starting time of the fan at different stages which are preset in different growth periods of the barley seedlings, the temperature and the humidity in the growth cabin are monitored in real time by arranging the temperature and humidity sensor in the growth cabin, once the temperature and the humidity exceed the preset threshold range, the controller module adjusts the illuminating lamp, the water pump, the air conditioner, the fan and the electromagnetic valve for water, the condition in the growth cabin is ensured to be suitable for the cultivation of the barley seedlings, the seedling cultivation time is shortened, and the seedling quality is improved.

Drawings

FIG. 1 is a schematic perspective view of a growth pod of the present invention;

FIG. 2 is a schematic view of the internal structure of the growth capsule of the present invention with the growth capsule shell removed;

FIG. 3 is a schematic view of the structure of FIG. 1 from the A-direction view;

FIG. 4 is a schematic structural view of the seedling raising support of the present invention;

FIG. 5 is a block diagram of a control system according to the present invention;

FIG. 6 is a first portion of a schematic diagram of a controller circuit according to the present invention;

FIG. 7 is a second portion of the schematic diagram of the controller circuit of the present invention;

FIG. 8 is a third portion of the schematic circuit diagram of the controller of the present invention;

fig. 9 is a fourth part of the circuit structure schematic diagram of the controller of the present invention.

Detailed Description

Fig. 1 referring to the accessories shows an embodiment of a wheat seedling cultivating and growing cabin of the patent. The growth cabin comprises a base 8 and a growth cabin shell 7, wherein the growth cabin shell 7 is installed on the base 8, four cabin body doors 1 capable of being opened and closed are arranged on the growth cabin shell 7, a seedling culture support 2 is installed in the growth cabin shell 7 in a layered mode and is fixed through a fixing buckle 4, and a seedling culture plate 3 is placed on the seedling culture support 2; the seedling support 2 is a rectangular frame, seedling areas are divided on each layer of seedling support 2 along the width direction, each seedling area is provided with one seedling tray 3, and an illuminating lamp 9 is arranged between every two seedling trays 3; the seedling support 2 and the seedling tray 3 are provided with installation inclination angles with the horizontal plane in the width direction of the seedling support 2; the bottom of the growth cabin at the lower side of the seedling raising plate 3 is provided with a water receiving groove 6, and one side of the water receiving groove 6 is provided with a water outlet 5.

As shown in FIG. 2, the seedling raising support 2 in this example is divided into five twelve areas, and sixty dishes of barley seedlings can be planted simultaneously. The seedling raising plates 3 are 1700mm long, 350mm wide and 40mm high, the interlayer spacing of the seedling raising supports 2 is 310mm, the whole growth cabin of the growth cabin shell 7 is 5770 mm long, 2200 mm wide and 2500mm high, the illuminating lamps 9 are realized based on the existing LED plant lamps on the market, the length of the illuminating lamps 9 is 1500mm, and one illuminating lamp 9 is arranged above the middle of every two seedling raising plates 3, so that each seedling raising plate 3 can be fully contacted with illumination, and the barley seedlings in the seedling raising plates 2 can be fully grown; the inner wall materials of the seedling raising support 2, the seedling raising plate 3 and the growth cabin shell 7 are stainless steel, so that the anti-corrosion effect is achieved, meanwhile, LED light can be reflected, the light utilization rate is increased, the indoor barley seedlings can be more fully illuminated, the cultivation efficiency is improved, the light utilization rate is increased, and the energy is saved.

As shown in fig. 4, the seedling raising support 2 is provided with an installation inclination angle along the width direction, the installation inclination angle cannot be too steep, the culture water in the seedling raising tray 3 needs to flow down slowly, and the barley seedlings in the seedling raising tray 3 cannot be damaged, so the installation inclination angle in the technical scheme of the invention is set between 5 and 15 degrees according to the length of the seedling raising tray 3.

A water tank 13 is arranged on one side of the growth cabin shell 7, a water pipe 21 is fixedly arranged on each layer of seedling raising bracket 2, a water outlet of the water pipe 21 is arranged above the higher side of each seedling raising tray 3, and water inlets of all the water pipes 21 are connected with a water pump 14 arranged in the water tank 13; each water pipe 21 is connected with a water control electromagnetic valve 17 to control the opening and closing of the water outlet of each water pipe 21; in this embodiment, the water tank 13 uses the float valve switch to guarantee that the water of water tank is sufficient at any time, and seedling support 2 sets up a water pipe 21 on each layer, sets up 5 water pipes 21 altogether, 5 solenoid valves 17 for accuse water, and a delivery port is seted up respectively to every water pipe 21 above educating seedling tray 3, and the delivery port sets up water jet equipment (not marked in the figure), will set up 12 delivery ports on every water pipe 21.

The water pipe 21 is fixed on the seedling raising support 2 and positioned above the seedling raising plate 3, one water pipe 21 is arranged on each layer, redundant water flows to the lower end during watering and then flows into the water receiving groove 6, the water receiving groove 6 is connected to the water outlet 5, an included angle is formed between the water receiving groove 6 and the horizontal plane along the length direction of the groove, the water outlet 5 is arranged at the bottom of the lower end of the water receiving groove 6, and the water outlet 5 penetrates through the frame body of the base 8 and is connected with the water tank 13 through a water circulating device (not shown in the figure); the surplus water can be directly discharged out of the growth cabin shell 7, and because the pesticide and nutrient solution are not needed in the wheat seedling cultivation process, the discharged water is only underutilized water and can be reused after purification; the seedling raising support 2 is layered, and each layer is provided with the water pipe 21 and the water spraying device, so that the space utilization rate is improved, and the sufficient and uniform illumination intensity and moisture of the barley seedlings in each seedling raising plate 3 can be ensured.

As shown in fig. 2 and 3, an air conditioner 22 and a fan 20 are arranged at the upper part of the side wall of one side of the growth chamber shell 7, a chamber body air inlet 10 is arranged at the adjacent position of the fan 20, and a chamber body air outlet 11 is arranged at the bottom of the side wall of the growth chamber shell 7; the cabin body air inlet 10 and the cabin body air outlet 11 are respectively communicated with the cabin body of the growth cabin shell 7 through a one-way air inlet valve and an air outlet valve; in this embodiment, the air conditioner compressor 16 is placed under the control system box 15 beside the water tank 13, a system box door 19 is further provided for protecting the control system box 15, a water box door 18 is provided for protecting the water tank 13 and the water pump 14, and the air conditioner 22 is arranged outside the growth cabin shell 7; in the cultivation process, the fan 20 is normally opened, so that the humidity of the surfaces of the seeds is reduced by air circulation in the cabin, the seeds are prevented from mildewing due to humidity, and the temperature in the cabin is uniform; the air inlet 10 of the cabin is arranged at the left side of the fan 20, and the arrangement can ensure that the gas entering from the air inlet 10 can be uniformly diffused into the cabin through the fan 20 quickly, so that the effect of the fan 20 is realized more quickly, and the energy is saved.

The growth cabin control system is installed in the control system box 15, the temperature and humidity sensor is arranged at a position (not shown) in the middle of the growth cabin shell 7 and connected with the growth cabin control system through an RS485 interface, and the collected temperature and humidity are sent to the growth cabin control system in real time; the touch screen, the temperature and humidity sensor, the air inlet valve, the air outlet valve, the water control electromagnetic valve 17, the illuminating lamp 9, the water pump 14, the air conditioner 22 and the fan 20 are respectively and electrically connected with the growth cabin control system.

The base 8 is the framework, and the shape matches with the bottom shape of growth cabin casing 7, and the base 8 does not use solid construction, and the purpose is for reducing the weight of the whole cabin body, can also guarantee the stability of growth cabin casing 7 simultaneously.

The inner layer of the growth cabin shell 7 is made of stainless steel materials, and the middle layer is made of polyurethane materials, so that the temperature in the cabin is stable and is not influenced by the outside; the outer layer is made of iron materials, so that the safety of articles in the growth cabin is ensured, and the outermost layer of the growth cabin is provided with anti-oxidation spray paint, so that the corrosion resistance of the cabin body is improved.

Referring to fig. 6 to 9 of the drawings in the specification, the growth cabin control system comprises a controller module, wherein the controller module comprises a single chip microcomputer U1, a liquid crystal module interface J1, a socket P1, an instrument interface P2, a transceiving chip U2, a memory chip U3, an SWD interface P3, capacitors C1 to C20, resistors R1 to R8 and a crystal oscillator Y1.

In specific implementation, the single chip microcomputer U1 is implemented based on a chip STM32F429IGT6, and is a circuit diagram implemented based on a chip STM32F429IGT6 with reference to fig. 6 and 7 of drawings in the specification; a pin 9 of the singlechip U1 and a pin 2 of the crystal oscillator Y1 are connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with one end of a capacitor C2 and then grounded, and the other end of the capacitor C2, a pin 10 of the singlechip U1 and a pin 1 of the crystal oscillator are connected with each other; a pin 6 of the singlechip U1, one end of a resistor R2 and one end of a resistor R3 are connected and then connected with a power supply VCC3.3,

pins

15, 23, 36, 49, 62, 72, 82, 91, 103, 114, 127, 136, 149, 159 and 172 of the singlechip U1, one ends of capacitors C8-C20, the other end of the resistor R2 and the other end of the resistor R3 are connected and then connected with the power supply V3.3M, and the other ends of the capacitors C8-C20 are grounded; a pin 39 of the singlechip U1, one end of a resistor R1, one end of a capacitor C3 and one end of a capacitor C4 are connected with each other, the other end of the capacitor C3 and the other end of the capacitor C4 are respectively connected to a pin 37 of the singlechip U1, and the other end of the resistor R1 is grounded;

pins

14, 22, 61, 71, 90, 102, 113, 126, 135, 148 and 158 of the single chip microcomputer U1 are grounded; the MCU part and an external power supply are isolated through the resistors R2 and R3, the design mainly considers that the two resistors can be disconnected to determine whether the MCU part is short-circuited or the external short-circuited if the 3.3V power supply is short-circuited in the later maintenance, and the efficiency of producing and repairing chips is improved; the STM32F429IGT6 is provided with a plurality of power supply ports to ensure that the chip has enough voltage; the capacitors C8-C20 are connected to the power supply pins of the chip in parallel, the reason that the capacitors are connected between each power supply and the ground has two functions, namely energy storage and bypass energy storage, and the power supply filters to improve stability.

A pin 1 of the SWD interface P3 is grounded, a pin 2 of the SWD interface P3 is connected with a pin 137 of the singlechip U1, a pin 3 of the SWD interface P3 is connected with a pin 124 of the singlechip U1, a pin 4 of the SWD interface P3 is connected with a pin 6 of the singlechip U1, and a pin 5 of the SWD interface P3 is connected with a pin 138 of the singlechip U1.

The 1 pin, the 2 pin, the 3 pin and the 4 pin of the memory chip U3 are grounded, the 5 pin of the memory chip U3 is connected with one end of a resistor R5, the 6 pin of the memory chip U3 is connected with one end of a resistor R4, the other end of the resistor R4 and the other end of a resistor R5 are connected with the 6 pin of the singlechip U1, the 7 pin of the memory chip U3 is grounded, the 8 pin of the memory chip U3 is connected with one end of a capacitor C5 and then connected with the 6 pin of the singlechip U1, and the other end of the capacitor C5 is grounded; in specific implementation, the memory chip is implemented based on an EEPROM chip with the model number of 24C02, the capacity of the chip is 2Kb, and SCL and SDA are two-wire serial interfaces.

A pin 1 of a transceiving chip U2 is connected with a pin 47 of a singlechip U1, a pin 2 and a pin 3 of the transceiving chip U2 are connected with a pin 163 of a singlechip U1, a pin 4 of the transceiving chip U2 is connected with a pin 42 of a singlechip U1, a pin 5 of the transceiving chip U2 is grounded, a pin 6 of the transceiving chip U2 is connected with one end of a resistor R8, one end of a resistor R7, the pin 1 and the pin 3 of an instrument interface P2 are grounded, a pin 7 of the transceiving chip is connected with the other end of a resistor R8, one end of a resistor R6 and the pin 2 of an instrument interface P2, a pin 8 of the transceiving chip is connected with the other end of a resistor R7 and one end of a capacitor C6 and then connected with the pin 6 of the singlechip U1, and the other end of the capacitor C6;

during specific implementation, the transceiver chip U2 is implemented based on an SP3485 chip, and the meter interface P2 uses an RS485 interface; since the RS485 level cannot be directly connected to the chip STM32F429IGT6, a level conversion chip is required, and the SP3485 is used for RS485 level conversion, where the resistor R8 is a terminal matching resistor, and the resistors R6 and R7 are two bias resistors, so as to ensure that the RS485 bus maintains a logic 1 in the silent state.

The 1 pin and the 2 pin of the liquid crystal module interface J1 are connected with one end of a capacitor C7 and then connected with a power supply, the 3 pin, the 4 pin and the 5 pin of the liquid crystal module interface J1 and the other end of the capacitor C7 are connected with the back ground, the 6 pin of the liquid crystal module interface J1 is connected with the 86 pin of a singlechip U1, the 7 pin of the liquid crystal module interface J1 is connected with the 87 pin of the singlechip U1, the 8 pin of the liquid crystal module interface J1 is connected with the 88 pin of the singlechip U1, the 9 pin of the liquid crystal module interface J1 is connected with the 89 pin of the singlechip U1, the 11 pin, the 12 pin and the 13 pin of the liquid crystal module interface J1 are grounded, the 14 pin of the liquid crystal module interface J1 is connected with the 128 pin of the singlechip U1, the 15 pin of the liquid crystal module interface J1 is connected with the 129 pin of the singlechip U1, the 16 pin of the liquid crystal module interface J1 is connected with the 130 pin of an 1, the 17 pin of the liquid crystal module interface J1 is connected with the pin 131 of the singlechip U1, the singlechip U86, 20 pins and 21 pins of a liquid crystal module interface J1 are grounded, 22 pins and 23 pins of a liquid crystal module interface J1 are grounded, 25 pins of a liquid crystal module interface J1 are connected with 173 pins of a singlechip U1, 26 pins of a liquid crystal module interface J1 are connected with 174 pins of a singlechip U1, 27 pins of a liquid crystal module interface J1 are connected with 175 pins of a singlechip U1, 28 pins of a liquid crystal module interface J1 are connected with 176 pins of a singlechip U1, 31 pins of a liquid crystal module interface J1 are connected with 12 pins of a singlechip U1, 32 pins of a liquid crystal module interface J1 are connected with 11 pins of a singlechip U1, 35 pins of a liquid crystal module interface J1 are connected with 7 pins of the singlechip U1, 36 pins of a liquid crystal module interface J1 are connected with 134 pins of the singlechip U1, 40 pins of the liquid crystal module interface J1 are connected with 138 pins of a singlechip U1, and 41 pins and 42 pins of a liquid crystal module interface J1;

during specific implementation, the liquid crystal module interface J1 is realized based on a universal liquid crystal module interface RGB _ LCD, and supports ALIENTEK full-series LCD modules, and the LCD interface is connected to the FSMC bus of the chip STM32F429IGT6, so that the screen brushing speed of the LCD can be obviously improved, and a touch screen arranged on a wheat seedling cultivation growth cabin is more suitable for the use habit of a user.

Pin 1 of the socket P1 is connected with pin 51 of the singlechip U1; a pin 2 of the socket P1 is connected with a pin 93 of the singlechip U1; the 3 pins of the socket P1 are connected with the 52 pins of the single chip microcomputer U1; the 4 feet of the socket P1 are connected with the 94 feet of the singlechip U1; the 6 feet of the socket P1 are connected with the 95 feet of the single chip microcomputer U1; the pin 8 of the socket P1 is connected with the pin 122 of the singlechip U1; a pin 9 of the socket P1 is connected with a pin 168 of the singlechip U1; the 10 pin of the socket P1 is connected with the 123 pin of the singlechip U1; the 11 pin of the socket P1 is connected with the 80 pin of the singlechip U1; the 12 pins of the socket P1 are connected with the 115 pins of the singlechip U1; the 14 pin of the socket P1 is connected with the 116 pin of the singlechip U1;

when specifically realizing, socket P1 realizes based on Header 7X2H for connect solenoid valve 1~6, 2 LED light, 1 fan, 1 air conditioner, 1 fan to controller chip STM32F429IGT 6.

As shown in fig. 5 of the attached drawings of the specification, in a specific implementation, the growth cabin control system comprises a controller module, a human-computer interaction display module, a power supply module, a temperature and humidity acquisition module, a water pump spraying module, a circulating air module, a temperature control module and an LED light module.

s1: according to the growth period of the barley seedlings, based on a touch screen of a human-computer interaction display module, a user can respectively store a preset temperature threshold value and a preset humidity threshold value for different growth periods, a preset cycle switching time of illumination of an illuminating lamp 9, a preset cycle switching time of a water control solenoid valve 17 and a preset startup time of a fan 20 in different stages in a controller module;

s2: starting a main power supply and initializing all devices; the method comprises the following steps: the device comprises a human-computer interaction display module, a power supply module, a temperature and humidity acquisition module, a water pump spraying module, a circulating air module, a temperature control module and a corresponding device in an LED light module;

s3: according to the preset pre-blowing time, the fan 20 is started based on the circulating air module;

s4: the method comprises the steps that real-time temperature data and real-time humidity data transmitted back by a temperature and humidity sensor are collected in real time based on a temperature and humidity collecting module;

comparing the real-time temperature data and the real-time humidity data with a temperature threshold value and a humidity threshold value;

when the real-time temperature data is higher than the maximum temperature value, starting the air conditioner 22 to refrigerate based on the temperature control module; when the real-time temperature data is lower than the minimum temperature value, the air conditioner 22 is started to heat;

when the real-time humidity data is lower than the minimum humidity value, the electromagnetic valve 17 for water control is opened to water based on the water pump spraying module; when the real-time humidity data is higher than the maximum humidity value, starting the fan 20 to reduce the humidity;

s5: monitoring the starting time of the electromagnetic valve 17 for water control and the lighting lamp 9 in real time;

calculating the difference between the last starting time and the current time of the water-controlling electromagnetic valve 17 in real time, and starting the water-controlling electromagnetic valve 17 to enter a circulating water supplementing mode when the last starting time of the water-controlling electromagnetic valve 17 exceeds the circulating switch time of the water-controlling electromagnetic valve 17; when the method is concretely realized, a certain time is needed for water to reach the electromagnetic valve after the water pump is started, the electromagnetic valve for water control is opened, the time is needed for the water to reach the water spraying device, the pressurizing time of the water pumps with different powers is different, compensation parameters are set in the controller module according to the length, width and height parameters of the seedling raising support, and all wheat seedlings are watered simultaneously; meanwhile, the water control electromagnetic valve is set for switching time, because the heights of all layers of water pipes are different, the water pressure of the upper layer can be lower than that of the lower layer when the water control electromagnetic valve is opened at the same time, each water control electromagnetic valve controls the water pipe of one layer and is independently opened, and only one layer of water is watered each time, so that the arrangement is favorable for uniform irrigation of water, the water pump does not need high power, the energy is saved, and the overall cost is reduced;

and calculating the difference between the last starting time and the current time of the water-control illuminating lamp 9 in real time, and starting the illuminating lamp 9 to enter a circulating illumination mode based on the LED light module when the last starting time of the illuminating lamp 9 exceeds the circulating switch time of illumination of the illuminating lamp 9.

In the specific implementation, the barley seedlings need different illumination and watering conditions in different growth periods, illumination is not needed in the early germination stage, illumination and darkness alternate every day in the growth period, and the natural growth environment is simulated; continuous watering is needed in the germination stage, water is needed to be watered at intervals, and the watering interval can be relatively long in the later growth stage; respectively presetting a temperature threshold, a humidity threshold, the illumination cycle switch time of an illuminating lamp, the cycle switch time of a solenoid valve for water control and the starting time of fans at different stages based on different growth periods; meanwhile, the temperature and humidity sensor continuously collects the temperature and humidity in the cabin and continuously transmits the data to the growth cabin control system through the RS485 port, the controller module continuously reads the states of the LED lamps and the running states of the devices such as the valves, and the running states of the devices read by the controller are displayed in real time through the display; comparing the temperature and the humidity transmitted back by the temperature and humidity sensor with a temperature threshold and a humidity threshold in real time, and carrying out corresponding on-off control on an air conditioner, a fan and a water control electromagnetic valve to ensure that the environment in the cabin of the wheat seedling cultivation and growth cabin is always kept to be an environment suitable for the growth of the barley seedlings; the barley seedlings cultured on the basis of the technical scheme can be successfully cultured after 6-7 days, the culture period of the barley seedlings is greatly shortened, and the culture efficiency and the quality of the barley seedlings are improved.

Claims

1. A wheat seedling cultivation and growth cabin comprises: the growth cabin shell is mounted on the base, the seedling culture supports are mounted inside the growth cabin shell in a layered mode, and the seedling culture tray is placed on the seedling culture supports; the method is characterized in that: the seedling support is a rectangular frame, seedling areas are divided on each layer of the seedling support along the width direction, each seedling area is provided with one seedling tray, and an illuminating lamp is arranged between every two seedling trays; the seedling support and the seedling tray are provided with installation inclination angles with the horizontal plane in the width direction of the seedling support; a water receiving groove is formed in the bottom of the growth cabin on the lower side of the seedling raising plate, and a water outlet is formed in one side of the water receiving groove;

2. The wheat seedling cultivation and growth cabin of claim 1, wherein: the air conditioner and the fan are arranged on the upper portion of the side wall of one side of the growth cabin shell, the cabin air inlet is arranged at the position adjacent to the fan, and the cabin air outlet is arranged at the bottom of the side wall of the growth cabin shell.

3. The wheat seedling cultivation and growth cabin of claim 1, wherein: the growth cabin control system comprises a growth cabin shell, a temperature and humidity sensor and a touch screen, wherein the temperature and humidity sensor is arranged at the middle position in the growth cabin shell; the cabin body air inlet and the cabin body air outlet are respectively communicated with the cabin of the growth cabin shell through a one-way air inlet valve and an air outlet valve; each water pipe is connected with a switch for controlling all water outlets of the water pipe by an electromagnetic valve for water control; the touch screen, the temperature and humidity sensor, the air inlet valve, the air outlet valve, the electromagnetic valve for water control, the illuminating lamp, the water pump, the air conditioner and the fan are respectively and electrically connected with the growth cabin control system.

4. The wheat seedling cultivation and growth cabin of claim 1, wherein: the base is a frame body, and the shape of the frame body is matched with that of the bottom of the growth cabin shell; the water receiving groove and the horizontal plane form an included angle, the bottom of the lower end of the water receiving groove is provided with the water outlet, and the water outlet penetrates through the frame body of the base and is connected with the water tank through the water circulating device.

5. The wheat seedling cultivation and growth cabin of claim 1, wherein: the inner layer of the growth cabin shell is made of stainless steel materials, the middle layer of the growth cabin shell is made of polyurethane materials, and the outer layer of the growth cabin shell is made of iron materials.

6. The wheat seedling growing cabin according to claim 3, wherein: the growth cabin control system comprises a controller module, wherein the controller module comprises a single chip microcomputer U1, a liquid crystal module interface J1, a socket P1, an instrument interface P2, a transceiver chip U2, a memory chip U3, an SWD interface P3, capacitors C1-C20, resistors R1-R8 and a crystal oscillator Y1;

a pin 9 of the singlechip U1 and a pin 2 of the crystal oscillator Y1 are connected with one end of the capacitor C1, the other end of the capacitor C1 is connected with one end of the capacitor C2 and then grounded, and the other end of the capacitor C2, a pin 10 of the singlechip U1 and a pin 1 of the crystal oscillator are connected with each other; a pin 6 of the single chip microcomputer U1, one end of the resistor R2 and one end of the resistor R3 are connected and then connected to a power supply VCC3.3, pins 15, 23, 36, 49, 62, 72, 82, 91, 103, 114, 127, 136, 149, 159 and 172 of the single chip microcomputer U1, one ends of the capacitors C8-C20, the other end of the resistor R2 and the other end of the resistor R3 are connected and then connected to the power supply V3.3M, and the other ends of the capacitors C8-C20 are grounded; the pin 39 of the singlechip U1, one end of the resistor R1, one end of the capacitor C3 and one end of the capacitor C4 are connected with each other, the other end of the capacitor C3 and the other end of the capacitor C4 are respectively connected to the pin 37 of the singlechip U1, and the other end of the resistor R1 is grounded; pins 14, 22, 61, 71, 90, 102, 113, 126, 135, 148 and 158 of the single chip microcomputer U1 are grounded;

the 1 pin of the transceiver chip U2 is connected with the 47 pin of the singlechip U1, the 2 pin and the 3 pin of the transceiver chip U2 are connected with the 163 pin of the singlechip U1, the 4 pin of the transceiver chip U2 is connected with the 42 pin of the singlechip U1, the 5 pin of the transceiver chip U2 is grounded, the 6 pin of the transceiver chip U2 is connected with one end of the resistor R8, one end of the resistor R7 and the 1 pin and the 3 pin of the meter interface P2 are grounded, the 7 pin of the transceiver chip is connected with the other end of the resistor R8, one end of the resistor R6 and the 2 pin of the meter interface P2, the 8 pin of the transceiver chip is connected with the other end of the resistor R7 and one end of the capacitor C6 is connected with the 6 pin of the singlechip U1, and the other end of the capacitor C6 is connected with the other end of the capacitor R6 and is grounded.

7. The wheat seedling growing cabin of claim 6, wherein: the 1 pin of the SWD interface P3 is grounded, the 2 pin of the SWD interface P3 is connected with the 137 pin of the singlechip U1, the 3 pin of the SWD interface P3 is connected with the 124 pin of the singlechip U1, the 4 pin of the SWD interface P3 is connected with the 6 pin of the singlechip U1, and the 5 pin of the SWD interface P3 is connected with the 138 pin of the singlechip U1.

8. The wheat seedling growing cabin of claim 6, wherein: the 1 pin and the 2 pin of the liquid crystal module interface J1 are connected with one end of the capacitor C7 and then connected with a power supply, the 3 pin, the 4 pin and the 5 pin of the liquid crystal module interface J1 and the other end of the capacitor C7 are connected with the rear ground, the 6 pin of the liquid crystal module interface J1 is connected with the 86 pin of the singlechip U1, the 7 pin of the liquid crystal module interface J1 is connected with the 87 pin of the singlechip U1, the 8 pin of the liquid crystal module interface J1 is connected with the 88 pin of the singlechip U1, the 9 pin of the liquid crystal module interface J1 is connected with the 89 pin of the singlechip U1, the 11 pin, the 12 pin and the 13 pin of the liquid crystal module interface J1 are grounded, the 14 pin of the liquid crystal module interface 737J 6 is connected with the 128 pin of the singlechip U1, the 15 pin of the liquid crystal module interface J1 is connected with the 129 pin of the singlechip U1, the 16 pin of the liquid crystal module interface J1 is connected with the 130 pin of the singlechip U1, the 18 pin of the liquid crystal module interface J1 is connected with the 132 pin of the singlechip U1, the 19 pin of the liquid crystal module interface J1 is connected with the 133 pin of the singlechip U1, the 20 pin and the 21 pin of the liquid crystal module interface J1 are grounded, the 22 pin and the 23 pin of the liquid crystal module interface J1 are grounded, the 25 pin of the liquid crystal module interface J1 is connected with the 173 pin of the singlechip U1, the 26 pin of the liquid crystal module interface J1 is connected with the 174 pin of the singlechip U1, the 27 pin of the liquid crystal module interface J1 is connected with the 175 pin of the singlechip U1, the 28 pin of the liquid crystal module interface J1 is connected with the 176 pin of the singlechip U6329, the 31 pin of the liquid crystal module interface J1 is connected with the 12 pin of the singlechip U1, the 32 pin of the liquid crystal module interface J1 is connected with the 11 pin of the singlechip U1, the 35 pin of the liquid crystal module interface J1 is connected with the 7 pin of the singlechip U1, and the 1 pin of the singlechip U573134, the pin 40 of the liquid crystal module interface J1 is connected with the pin 138 of the singlechip U1, and the pins 41 and 42 of the liquid crystal module interface J1 are grounded.

9. The wheat seedling growing cabin of claim 6, wherein: a pin 1 of the socket P1 is connected with a pin 51 of the single chip microcomputer U1; the pin 2 of the socket P1 is connected with the pin 93 of the single chip microcomputer U1; the 3 pins of the socket P1 are connected with the 52 pins of the single chip microcomputer U1; the 4 pins of the socket P1 are connected with the 94 pins of the single chip microcomputer U1; the 6 pins of the socket P1 are connected with the 95 pins of the single chip microcomputer U1; the pin 8 of the socket P1 is connected with the pin 122 of the singlechip U1; the pin 9 of the socket P1 is connected with the pin 168 of the singlechip U1; the 10 pin of the socket P1 is connected with the 123 pin of the single chip microcomputer U1; the 11 pin of the socket P1 is connected with the 80 pin of the single chip microcomputer U1; the 12 pins of the socket P1 are connected with the 115 pins of the single chip microcomputer U1; the 14 pins of the socket P1 are connected with the 116 pins of the singlechip U1.

10. The control method for realizing the wheat seedling cultivation and growth cabin based on the claim 1 is characterized by comprising the following steps:

s2: starting a main power supply and initializing all devices;

s3: opening the fan according to a preset pre-blowing time;