CN211607663U - Edible fungus greenhouse central control device based on PLC and HMI - Google Patents
Edible fungus greenhouse central control device based on PLC and HMI Download PDFInfo
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- CN211607663U CN211607663U CN201922254680.0U CN201922254680U CN211607663U CN 211607663 U CN211607663 U CN 211607663U CN 201922254680 U CN201922254680 U CN 201922254680U CN 211607663 U CN211607663 U CN 211607663U
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- 241000233866 Fungi Species 0.000 title claims abstract description 22
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an domestic fungus big-arch shelter central control unit based on PLC and HMI: the system comprises a central control part, a zigbee sensor module, a PLC and a touch screen HMI; the compressor, the fan, the four-way valve and the air valve in the central controller part are connected with the O output end of the PLC through a relay module, and the frequency converter in the central controller is directly connected with the PLC; the Zigbee data receiving terminal is connected with the PLC through the switch, and the touch screen HMI is connected with the PLC through the switch; the utility model discloses collect Zigbee technique, PLC and HMI technique as an organic whole, carry out real-time supervision to each environmental parameter in the big-arch shelter and show and control, realized human-computer interaction well, intelligent degree is high, and environmental factor control accuracy is high, and control is accurate, saves the labour, has guaranteed the output and the quality of domestic fungus.
Description
Technical Field
The utility model relates to an edible mushroom big-arch shelter central control unit based on PLC and HMI belongs to vegetation environment and adjusts technical field.
Background
The greenhouse cultivation of edible fungi is a traditional planting project and is also a main project for earning foreign exchange by the agricultural export in China, and the market demand at home and abroad is very large, so that the product quality of the edible fungi is ensured while the large-scale production of the edible fungi is ensured. The temperature, humidity, carbon dioxide concentration and the like in the environment are important factors influencing the growth of the edible fungi.
At present, measures for controlling environmental factors in edible fungus greenhouses comprise: heating by coal stove or electricity in winter; introducing fresh air through a manual on-off exhaust fan to adjust the concentration of carbon dioxide; sprinkling water in the greenhouse to perform humidification treatment; there are also simple air conditioning equipment for environmental factor control, etc., but these measures have problems: 1. harmful metal and sulfur dioxide are easily generated by heating the coal stove, and the quality of the edible fungi is seriously influenced. 2. The operating costs of the electrical heating unit can be high. 3. The manual start-stop air exhauster is controlled randomly, and the aim of accurate control cannot be achieved. 4. The simple air-conditioning equipment is generally manually operated and controlled and adjusted, the labor amount of an operator is large, the adjusting precision is poor, the control and adjustment of environmental factors are not accurate enough, and even the environmental state which is not suitable for the growth of the simple air-conditioning equipment appears, so that the yield of the edible fungi is low, and the product quality of the edible fungi is also influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned prior art is not enough, provides an edible mushroom big-arch shelter central control device based on PLC and HMI, and this device can control fungus room humiture and carbon dioxide concentration, and control accuracy is high, saves the labour, is favorable to guaranteeing the edible mushroom quality and improves the edible mushroom output, can extensively popularize and apply.
The utility model discloses a following technical scheme realizes:
a central control device of an edible fungus greenhouse based on a PLC and an HMI comprises the PLC, a central control part, a zigbee sensor module and the HMI of a touch screen;
the central control part comprises a compressor, a frequency converter, a fan, a four-way valve, an evaporator, a condenser and an air valve, wherein the compressor, the fan and the air valve are connected with the I/O output end of the PLC through a relay module, and the frequency converter is connected with an RS485 port of the PLC; the port A of the four-way valve is connected with the exhaust port of the compressor, the port B is connected with the condenser connecting port, the port C is connected with the air inlet of the compressor, and the port D is connected with the evaporator connecting port; the evaporator is arranged in the greenhouse chamber, the condenser is arranged outside the greenhouse chamber, and the condenser is connected with the evaporator through a pipeline;
the zigbee sensor module comprises an environment sensor, a zigbee data acquisition terminal and a zigbee data receiving terminal; the Zigbee data receiving terminal is connected with an Ethernet port of the PLC through the switch; the environmental sensor is connected with a zigbee data acquisition terminal;
the touch screen HMI is connected with an Ethernet port of the PLC through the switch.
Starting operation conditions of the current equipment; the parameter monitoring column displays various parameters of the current growth environment such as indoor air temperature and humidity and CO of the greenhouse2Concentration, wind speed and wind direction, temperature and humidity of soil and pH value; the control button part comprises a cold and hot mode, a constant temperature mode, wind speed setting, air valve control, parameter setting and information recording.
The central control part comprises a cooling control mode, a heating control mode, a constant temperature control mode and a wind speed control mode.
The environment sensor comprises an air temperature and humidity sensor, a soil pH value sensor, a carbon dioxide gas sensor and an ultrasonic wind speed and direction sensor.
The zigbee data acquisition terminal comprises a data acquisition unit and a battery module, wherein the data acquisition unit comprises a sensor wiring end, a voltage transformation circuit board, a sensor information acquisition and transmission module and a sensor type identification module.
The zigbee data receiving terminal comprises an information receiving module, an Ethernet communication module and a power supply module; and the zigbee data receiving terminal is connected with the PLC through the Ethernet communication module.
The PLC is Siemens S7-200 SMART PLC, and the touch screen HMI is Siemens SMART LINE V3.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the Siemens S7-200 SMART PLC and the SMART LINE V3 touch screen matched with the Siemens S7-200 SMART PLC are combined to realize effective monitoring of various environmental factors of the edible fungi in different growth periods, and the system is convenient to operate and control, good in working stability, accurate in control and labor-saving.
2. Central control unit has guaranteed through adjusting big-arch shelter environment humiture, wind speed etc. that the big-arch shelter internal environment reaches the most suitable environment of domestic fungus growth, has avoided traditional artifical various final controlling element of regulation, and on will regulating and control the accurate transmission of information to PLC, through touch-sensitive screen man-machine interaction, realized efficient management and control simultaneously.
3, the zigbee sensor module monitors and collects the internal environment of the greenhouse in real time, accurately and quickly uploads information to the PLC, timely collection of the internal environment data of the greenhouse is achieved, collection time is shortened, performance is stable, energy consumption is greatly reduced, and greenhouse environment management work efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the central control device based on PLC and HMI.
Fig. 2 is a flow chart of the central control device of the present invention.
Fig. 3 is a flowchart illustrating the operation of the zigbee sensor module according to the present invention.
Fig. 4 is a connection diagram of the four-way valve port of the present invention.
Fig. 5 is a schematic view of a sunshade net structure.
Fig. 6 is a schematic structural view of the central control part.
In the figure, 1, a greenhouse, 2 sunshade nets, 3 reels, 4 ropes, 11 central control parts, 12zigbee sensor modules, 13PLC, 14 touch screen HMI, 21 compressors, 22 frequency converters, 23 fans, 24 four-way valves, 25 evaporators, 26 condensers, 27 air valves, 31 environmental sensors, 32 zigbee data acquisition terminals and 33 zigbee data receiving terminals.
Detailed Description
The invention is further illustrated below with reference to the following examples and drawings:
as shown in figure 1, the utility model relates to an edible mushroom big-arch shelter central control unit based on PLC and HMI is including: a central control section 11, a zigbee sensor module 12, a PLC 13 and a touchscreen HMI 14.
The PLC is Siemens S7-200 SMART PLC, and the touch screen HMI is Siemens SMART LINE V3.
The central control portion 11 includes a compressor 21, an inverter 22, a fan 23, a four-way valve 24, an evaporator 25, a condenser 26, and an air valve 27. The compressor 21, the fan 23 and the air valve 27 in the central control part are connected with the I/O output end of the PLC 3 through a relay module, and the frequency converter 22 in the central control part is directly connected with the RS485 port of the PLC 13.
The A port of the four-way valve 24 is connected with the exhaust port of the compressor 21, the B port is connected with a connecting port of a condenser 26, the C port is connected with the air inlet of the compressor 21, and the D port is connected with a connecting port of an evaporator 25; the evaporator 25 is arranged in the greenhouse 1, the condenser 26 is arranged outside the greenhouse, and the condenser is connected with the evaporator through a pipeline;
the cooling control mode of the central control part is as follows: the refrigerant is compressed in the compressor 21, and a low-temperature and low-pressure refrigerant gas is compressed into high-temperature and high-pressure superheated steam, and then discharged from a compressor discharge port and enters from an inlet a of the four-way valve 24. And introduced into the condenser 26 through the port B of the four-way valve for cooling. The refrigerant is changed from a gaseous state into a liquid state through the cooling and heat dissipation effects of the fan 23, the refrigerant is throttled and depressurized through the capillary tube, the low-temperature and low-pressure refrigerant liquid flows into the indoor evaporator 25 to absorb heat and vaporize, the temperature of the ambient temperature is reduced, and cold air is blown into the greenhouse 1 through the air valve 27.
The temperature rise control mode of the central control part is as follows: the high-temperature high-pressure superheated steam compressed by the compressor 21 is discharged from an exhaust port of the compressor 21, and then enters an indoor evaporator 25 through a four-way valve 24, the air valve blows out heat dissipated from the evaporator, the superheated steam is cooled into low-temperature high-pressure liquid, and then the liquid is sent into an outdoor condenser through capillary throttling, the vaporization process is completed, and the liquid returns to a suction port of the compressor through a suction pipe connected with the compressor.
The constant temperature control mode of the central control part mainly adjusts the work of the compressor through the frequency converter so as to realize the constant temperature function.
The wind speed control mode of the central control part is that the rotating speed of the fan and the opening and closing degree of the air valve are adjusted through the frequency converter according to the environmental parameter display.
As shown in FIG. 3, the zigbee sensor module 12 comprises an environmental sensor 31, a zigbee data collection terminal 32, and a zigbee data receiving terminal 33. The Zigbee data receiving terminal is connected to the ethernet port of the PLC through the switch (see fig. 2).
The environment sensor comprises an air temperature and humidity sensor, a soil pH value sensor, a carbon dioxide gas sensor and an ultrasonic wind speed and direction sensor.
The zigbee data acquisition terminal comprises a data acquisition unit and a battery module, wherein the data acquisition unit comprises a sensor wiring end, a voltage transformation circuit board, a sensor information acquisition and transmission module and a sensor type identification module; the environment sensor is connected with the data acquisition unit through the sensor wiring end; the zigbee data receiving terminal comprises an information receiving module, an Ethernet communication module and a power supply module; and the zigbee data receiver is connected with the PLC through the Ethernet communication module.
The touch screen HMI is connected with an Ethernet port of the PLC through the switch. The touch screen HMI interface comprises a state display bar, a parameter monitoring bar and a control button part, wherein the state display bar prompts the starting operation condition of the current equipment; the parameter monitoring column displays various parameters of the current growing environment such as indoor air temperature and humidity and CO of the greenhouse2Concentration, wind speed and wind direction, temperature and humidity of soil and pH value; the control button part comprises a cold and hot mode, a constant temperature mode, wind speed setting, air valve control, parameter setting and information recording.
The central control part is further provided with a driving motor, a sunshade net 2 is further arranged on the outer roof of the greenhouse 1, a reel 3 is arranged on the roof, the sunshade net is a flexible net body, two ends of the sunshade net are respectively connected with a rolling rope 4, the rolling ropes are wound on two ends of the reel 3, and the reel 3 is connected with the driving motor.
The foregoing shows and describes the general principles of the present invention, its essential features, and advantages, and thus, the present invention has been described in considerable detail with particularity and detail without limitation to the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A central control device of an edible fungus greenhouse based on a PLC and an HMI is characterized by comprising the PLC, a central control part, a zigbee sensor module and the HMI of a touch screen;
the central control part comprises a compressor, a frequency converter, a fan, a four-way valve, an evaporator, a condenser and an air valve, wherein the compressor, the fan and the air valve are connected with the I/O output end of the PLC through a relay module, and the frequency converter is connected with an RS485 port of the PLC; the port A of the four-way valve is connected with the exhaust port of the compressor, the port B is connected with the condenser connecting port, the port C is connected with the air inlet of the compressor, and the port D is connected with the evaporator connecting port; the evaporator is arranged in the greenhouse chamber, the condenser is arranged outside the greenhouse chamber, and the condenser is connected with the evaporator through a pipeline;
the zigbee sensor module comprises an environment sensor, a zigbee data acquisition terminal and a zigbee data receiving terminal; the Zigbee data receiving terminal is connected with an Ethernet port of the PLC through the switch; the environmental sensor is connected with a zigbee data acquisition terminal;
the touch screen HMI is connected with an Ethernet port of the PLC through the switch.
2. The edible fungus greenhouse central control device based on the PLC and the HMI is characterized in that the touch screen HMI interface comprises a status display bar, a parameter monitoring bar and a control button part, wherein the status display bar prompts the starting operation condition of the current equipment; the parameter monitoring column displays various parameters of the current growth environment such as indoor air temperature and humidity and CO of the greenhouse2Concentration, wind speedWind direction, temperature and humidity of soil and pH value; the control button part comprises a cold and hot mode, a constant temperature mode, wind speed setting, air valve control, parameter setting and information recording.
3. The central control device for edible fungus greenhouses based on PLC and HMI according to claim 1, wherein the central control part comprises a cooling control mode, a heating control mode, a constant temperature control mode and a wind speed control mode.
4. The edible fungus greenhouse central control device based on the PLC and the HMI according to claim 1, wherein the environment sensors comprise an air temperature and humidity sensor, a soil PH value sensor, a carbon dioxide gas sensor and an ultrasonic wind speed and direction sensor.
5. The edible fungus greenhouse central control device based on the PLC and the HMI is characterized in that the zigbee data acquisition terminal comprises a data acquisition unit and a battery module, and the data acquisition unit comprises a sensor terminal, a voltage transformation circuit board, a sensor information acquisition and transmission module and a sensor type identification module.
6. The central control device for edible fungus greenhouses based on PLC and HMI according to claim 1, wherein the zigbee data receiving terminal comprises an information receiving module, an Ethernet communication module and a power supply module; and the zigbee data receiving terminal is connected with the PLC through the Ethernet communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922254680.0U CN211607663U (en) | 2019-12-16 | 2019-12-16 | Edible fungus greenhouse central control device based on PLC and HMI |
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| CN201922254680.0U CN211607663U (en) | 2019-12-16 | 2019-12-16 | Edible fungus greenhouse central control device based on PLC and HMI |
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| CN211607663U true CN211607663U (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396782A (en) * | 2021-07-15 | 2021-09-17 | 德州竹林空调设备有限公司 | Automatic control system for mushroom culture room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396782A (en) * | 2021-07-15 | 2021-09-17 | 德州竹林空调设备有限公司 | Automatic control system for mushroom culture room |
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Address after: 030012 No. 106, Changzhi Road, Taiyuan, Shanxi Patentee after: Shanxi inspection and Testing Center (Shanxi Institute of standard measurement technology) Country or region after: China Patentee after: SHANXI WANLI TECHNOLOGY Co.,Ltd. Address before: 030002 No. 190, Wucheng South Road, Taiyuan City, Shanxi Province Patentee before: SHANXI INSTITUTE OF METROLOGY Country or region before: China Patentee before: SHANXI WANLI TECHNOLOGY Co.,Ltd. |