CN215301997U - Automatic control system for mushroom culture room - Google Patents
Automatic control system for mushroom culture room Download PDFInfo
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- CN215301997U CN215301997U CN202121609797.7U CN202121609797U CN215301997U CN 215301997 U CN215301997 U CN 215301997U CN 202121609797 U CN202121609797 U CN 202121609797U CN 215301997 U CN215301997 U CN 215301997U
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Abstract
The utility model provides an automatic control system for a mushroom culture room, which comprises a master control upper computer, a PLC (programmable logic controller), an air-conditioning terminal, an ABB (ABB) frequency converter, a CO2 transmitter, a fresh air valve and an air return valve. The utility model comprises the following steps: the touch screen is provided with various parameters to control other terminal equipment such as an air conditioning unit, a frequency converter, a fresh air valve, a return air valve and the like, and can automatically disturb flow according to the temperature difference between the upper and lower parts of a room and regularly disturb flow aiming at the problem of uneven room temperature. Aiming at the problem that a large amount of CO2 is generated during the culture of the mushroom sticks, the concentration of CO2 is detected, a fresh air valve, an air return valve, an exhaust fan and the like are automatically opened according to a set value to automatically exchange fresh air, high-concentration CO2 in a room is exhausted outdoors, a timed fresh air exchange function can also be started, and fresh air is exchanged at regular intervals. The automatic control system has an automatic air cooling function, and if the ambient temperature is far lower than the indoor temperature, the equipment can be automatically converted into an air cooling mode, so that a large amount of energy is saved.
Description
Technical Field
The utility model relates to the technical field of automatic control systems, in particular to an automatic control system for a mushroom culture room.
Background
With the continuous improvement of living standard of people, the demand of people on mushrooms is increasing day by day, the cultivation of mushroom sticks is generally carried out in spring and autumn every year in the past, the cultivation time of the mushroom sticks is too long due to large temperature difference between day and night in spring and autumn, and the success rate and the fruiting rate are not high. Summer and winter cannot be finished at all due to weather reasons. With the development of science and technology, people begin to use air conditioners to cultivate the mushroom sticks, so that the mushroom sticks can be cultivated all the year round. The conventional control method comprises the following steps: the room is kept at a constant temperature through the refrigerating and heating functions of the air conditioner, and the exhaust is started and stopped according to the concentration of CO 2. However, in our use, we have found that there are many disadvantages to such control:
1. after the press is stopped, the air supply fan is also stopped, and after the air supply fan is stopped, the upper temperature and the lower temperature in a room are uneven, so that the qualified rate of the fungus sticks is low;
2. when the CO2 transmitter is damaged or the measurement is inaccurate, the exhaust fan cannot be started, so that the concentration of CO2 in a room is increased, and the qualification rate of the bacteria sticks is low;
3. the air speed of the air feeder is too high, and the fungus sticks are easily dried after long-term operation;
4. because the fungus sticks have the self-heating function, the outside air is cooled by air-conditioning refrigeration when being cold, and a large amount of energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic control system for a mushroom culture room, which aims to solve the problems that the upper and lower temperatures in the existing mushroom culture room cannot be guaranteed, and the qualified rate of mushroom sticks is low because the concentration of CO2 in the culture room cannot be accurately detected.
In order to achieve the purpose, the utility model provides the following technical scheme: an automatic control system of a mushroom culture room comprises an automatic control system, wherein the automatic control system comprises a touch screen arranged at an entrance of each room, the touch screen is connected with a PLC (programmable logic controller), the PLC detects the room temperature to control the operation and stop of an air conditioning unit, the air conditioning unit comprises a blower controlled by an ABB (analog-to-digital) frequency converter, a fresh air valve, an air return valve and a group of exhaust fans, and the touch screen is connected with a CO2 transmitter.
In order to make each room have an independent control system, as a preferred scheme of the utility model: each room comprises a touch screen, a CO2 transmitter and a plurality of air conditioning units, and each air conditioning unit comprises: the system comprises an ABB frequency converter, a fresh air valve, an air return valve and a plurality of exhaust fans, wherein each air conditioning unit is provided with a temperature sensor.
In order to reduce the concentration of CO2 inside the culture room, as a preferred embodiment of the present invention: and when the concentration of CO2 is higher than the upper limit of a set value, the fresh air valve, the exhaust fan and the blower are in an open state, and the return air valve is in a closed state.
In order to keep the temperature in the room uniform, as a preferred scheme of the utility model: the touch screen is provided with a function of a timing switch of the air blower.
In order to have the function of timed air exhaust, the utility model adopts a preferable scheme that: the touch screen is provided with an exhaust fan timing switch function.
In order to facilitate control of the electrical equipment, as a preferred embodiment of the present invention: and the CO2 transmitter, the PLC and the ABB frequency converter are connected with a touch screen connected with the display unit through a Modbus bus.
In order to facilitate the control of the work of the fresh air valve and the return air valve, the utility model adopts a preferable scheme that: the fresh air valve and the return air valve are powered by a 24V transformer and are controlled to be switched on and off by a PLC (programmable logic controller).
In order to facilitate the operation of the device, as a preferred embodiment of the present invention: the display unit and various parameter settings adopt a touch screen.
Compared with the prior art, the utility model has the beneficial effects that:
(1) various parameters are set on the touch screen to control other terminal equipment such as an air conditioning unit, an ABB frequency converter, a fresh air valve, an air return valve and the like, so that the problem of uneven room temperature is solved, and automatic flow disturbance and timing flow disturbance can be realized according to the temperature difference between the upper and lower parts of a room;
(2) through detecting CO2 concentration, automatically opening new trend valve, return air valve exhaust fan according to the setting value, automatically trade the new trend, arrange room interior high concentration CO2 to the open-air, also can open regularly and trade the new trend function, trade the new trend once every certain time, this automatic control system has automatic forced air cooling function, if ambient temperature is far less than indoor temperature, equipment automatic switch is the forced air cooling mode to a large amount of energy saving.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic diagram of a wiring diagram of the PLC controller of the present invention;
FIG. 3 is a schematic diagram of the temperature difference turbulent flow structure of the present invention;
FIG. 4 is a schematic diagram of the timing and flow disturbing process of the blower of the present invention;
FIG. 5 is a schematic diagram of the timing disturbance flow of the exhaust fan according to the present invention;
FIG. 6 is a schematic view of an automatic air-cooling fluorine-cooling conversion process according to the present invention.
In the figure: 1. a touch screen; 2. a PLC controller; 3. an air conditioning unit; 4. a fresh air valve; 5. a return air valve; 6. an exhaust fan; 7. an ABB frequency converter; 8. a blower; 9. a CO2 transmitter; 10. and a Modbus bus.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic control system of a mushroom culture room comprises an automatic control system, wherein the automatic control system comprises a touch screen 1 arranged at an entrance of each room, the touch screen 1 is connected with a PLC (programmable logic controller) 2, the PLC 2 detects the room temperature to control the operation and the stop of an air conditioning unit 3, the air conditioning unit 3 comprises a blower 8 controlled by an ABB (absolute air balance) frequency converter 7, a fresh air valve 4, an air return valve 5 and a group of exhaust fans 6, and the touch screen 1 is connected with a CO2 transmitter 9.
In this embodiment: each room comprises a touch screen 1, a CO2 transmitter 9 and a plurality of air conditioning units 3, and each air conditioning unit 3 comprises: an ABB frequency converter 7, a fresh air valve 4, an air return valve 5 and a plurality of exhaust fans 6, wherein each set of air conditioning unit 3 is provided with a temperature sensor.
When in specific use: the operation of the PLC controller 2 is controlled through the touch screen 1, the CO2 transmitter 9 detects the content of CO2 in the culture room, the detection result is sent to the PLC controller 2, the air conditioning unit 3 is finally controlled to realize the operation of electrical equipment, at most four or more air conditioning units 3 are arranged in the room, temperature sensors arranged in the air conditioning units 3 are used for detecting the temperature inside and outside the room, and in the fluorine cooling mode, when the outdoor temperature is lower than the temperature of converting into air cooling, the system can automatically convert from the fluorine cooling mode into the air cooling mode; in the air cooling mode, when the outdoor temperature is higher than the temperature of converting into fluorine cooling, the system automatically converts from the air cooling mode into the fluorine cooling mode. This function does not work in the heating mode, thereby saving a lot of energy.
In this embodiment: a room is provided with a CO2 transmitter 9, when the concentration of CO2 is higher than the upper limit of a set value, the fresh air valve 4, the exhaust fan 6 and the blower 8 are in an open state, and the return air valve 5 is in a closed state.
When in specific use: when the concentration of CO2 is higher than the upper limit of the set value, a fresh air valve 4 of each unit is opened, a return air valve 5 is closed, an exhaust fan 6 and a blower 8 are opened, so that the concentration of CO2 in the room is reduced, and when the concentration of CO2 is lower than the lower limit, the fresh air valve 4 is closed, the return air valve 5 is opened, the exhaust fan 6 is closed, and the blower 8 is closed.
In this embodiment: the touch screen 1 is provided with a function of a timing switch of the blower 8.
When in specific use: and automatically storing after setting. When the blower 8 is selected to be on, the blower 8 is switched on and off at regular time according to set time to disturb the flow of the room, so that the temperature of the room is more uniform, the PLC 2 respectively samples T1 (lower temperature of the room) and T2 (upper temperature of the room) in the room, calculates the difference value between T1 and T2, starts the blower 8 to disturb the flow of the room when the difference value between T1 and T2 is larger than the upper limit of the set temperature difference, stops the disturbance flow when the difference value between T1 and T2 is smaller than the lower limit of the set temperature difference, circularly executes the touch screen 1 according to the set off time and on time when the timed disturbance flow of the blower 8 is selected to be on, and sends an on instruction to the ABB frequency converter 7 to enable the blower 8 to disturb the room when the touch screen 1 is in the on time period to enable the blower 8 to act
In this embodiment: the touch screen 1 is provided with a timing switch function of an exhaust fan 6.
When in specific use: and automatically storing after setting. When the exhaust fan 6 is selected to be opened, the fresh air valve 4 of each set of unit is opened, the return air valve 5 is closed, the exhaust fan 6 and the blower 8 are opened, the CO2 concentration of a room is reduced, after the opening time is up, the fresh air valve 4 is closed, the return air valve 5 is opened, the exhaust fan 6 is closed, the blower 8 is closed, when the CO2 transmitter 9 is damaged or the measured value is inaccurate, the CO2 concentration in the room may be very high, the measured value of the CO2 cannot reach the set upper limit due to the damage of the CO2 transmitter 9 or inaccurate measurement and the like, and the exhaust cannot be started. If the concentration of CO2 in a room is too high for a long time, the qualification rate of the bacteria sticks is reduced, when the exhaust fan 6 exhausts air regularly, the touch screen 1 can execute circularly according to set off time and on time, and when the air exhauster is in an on time period, the touch screen 1 sends instructions for opening the exhaust fan 6 and opening the fresh air valve 4 to the PLC 2 to enable the exhaust fan 6 to act, so that the concentration of CO2 in the room is reduced.
In this embodiment: the CO2 transmitter 9, the PLC controller 2 and the ABB frequency converter 7 are connected with the touch screen 1 connected with the display unit through a Modbus bus 10.
When in specific use: the Modbus 10 is used for connecting the CO2 transducer 9, the PLC controller 2 and the ABB transducer 7 with the touch screen 1 connected with the display unit, so that the control through the touch screen 1 is convenient.
In this embodiment: the fresh air valve 4 and the return air valve 5 are powered by a 24V transformer and are controlled to be switched on and off by the PLC 2.
When in specific use: the PLC controller 2 is used for controlling the opening and closing of the fresh air valve 4 and the return air valve 5, so that the equipment is intelligent and convenient to control and operate.
In this embodiment: the touch panel 1 is used for the display unit and various parameter settings.
When in specific use: the touch screen 1 is simple in setting operation, and meanwhile, the operation instruction of the equipment is convenient to set.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a mushroom culture room automatic control system, includes autonomous system, its characterized in that, autonomous system is including setting up in touch-sensitive screen (1) of every room entrance, touch-sensitive screen (1) and PLC controller (2) link to each other, PLC controller (2) detect the operation and the stopping of room temperature control air conditioning unit (3), air conditioning unit (3) include one by blower (8) of ABB converter (7) control, a new trend valve (4), a return air valve (5) and a set of exhaust fan (6), touch-sensitive screen (1) and CO2 changer (9) link to each other.
2. An automatic control system for mushroom cultivation room according to claim 1, characterized in that: each room comprises a touch screen (1), a CO2 transmitter (9) and a plurality of air conditioning units (3), and each air conditioning unit (3) comprises: the air conditioning unit comprises an ABB frequency converter (7), a fresh air valve (4), an air return valve (5) and a plurality of exhaust fans (6), wherein each set of air conditioning unit (3) is provided with a temperature sensor.
3. An automatic control system for mushroom cultivation room according to claim 2, characterized in that: and one room is provided with a CO2 transmitter (9), when the concentration of CO2 is higher than the upper limit of a set value, the fresh air valve (4), the exhaust fan (6) and the blower (8) are in an open state, and the return air valve (5) is in a closed state.
4. An automatic control system for mushroom cultivation room according to claim 3, characterized in that: the touch screen (1) is provided with a function of a timing switch of the air blower (8).
5. An automatic control system for mushroom cultivation room according to claim 4, characterized in that: the touch screen (1) is provided with a timing switch function of an exhaust fan (6).
6. An automatic control system for mushroom cultivation room according to claim 5, characterized in that: and the CO2 transducer (9), the PLC controller (2) and the ABB transducer are connected with a touch screen (1) connected with a display unit through a Modbus (10).
7. An automatic control system for mushroom cultivation room according to claim 6, characterized in that: the fresh air valve (4) and the return air valve (5) are powered by a 24V transformer, and the on-off of the fresh air valve and the return air valve is controlled by the PLC (2).
8. An automatic control system for mushroom cultivation room according to claim 1, characterized in that: the display unit and various parameter settings adopt a touch screen (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609797.7U CN215301997U (en) | 2021-07-15 | 2021-07-15 | Automatic control system for mushroom culture room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121609797.7U CN215301997U (en) | 2021-07-15 | 2021-07-15 | Automatic control system for mushroom culture room |
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| CN215301997U true CN215301997U (en) | 2021-12-28 |
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| CN202121609797.7U Active CN215301997U (en) | 2021-07-15 | 2021-07-15 | 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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2021
- 2021-07-15 CN CN202121609797.7U patent/CN215301997U/en active Active
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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