CN114237334A - Laboratory ventilation intelligent PLC system adopting wireless transparent transmission mode - Google Patents
Laboratory ventilation intelligent PLC system adopting wireless transparent transmission mode Download PDFInfo
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- CN114237334A CN114237334A CN202111538379.8A CN202111538379A CN114237334A CN 114237334 A CN114237334 A CN 114237334A CN 202111538379 A CN202111538379 A CN 202111538379A CN 114237334 A CN114237334 A CN 114237334A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 33
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 238000012790 confirmation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 238000003672 processing method Methods 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012216 screening Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000011369 optimal treatment Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses a laboratory ventilation intelligent PLC system adopting a wireless transparent transmission mode, and particularly relates to the technical field of a ventilation control system. According to the invention, by arranging the extraction module, the statistical module, the voice control module, the environment detection module and the data updating module, the PLC system can update the optimal data generated in the network and the using process of an operator in real time in the actual using process, and can carry out optimal processing in the shortest time according to the screening of the optimal data, and the diversified and real-time updating arrangement can ensure that the PLC system can cope with more complex indoor environments, thereby reducing energy consumption and ensuring the processing effect on the indoor environments.
Description
Technical Field
The invention relates to the technical field of ventilation control systems, in particular to a laboratory ventilation intelligent PLC system adopting a wireless transparent transmission mode.
Background
The laboratory ventilation system is one of the most extensive systems with the largest scale in the whole laboratory design and construction process. The perfection of a ventilation system has a significant impact on the laboratory environment, the physical health of laboratory personnel, the operation and maintenance of laboratory equipment, etc., and laboratory ventilation systems must be able to handle emergency situations in order to prevent laboratory workers from inhaling toxic, flammable or pathogenic vapors, gases and particles generated during physicochemical biological tests. The fume chamber is one of the necessary devices of the ventilation system, the fume chamber is a relatively closed cabinet body with a certain container space, a movable cabinet door is arranged in front of the cabinet body, an operation platform is arranged in the cabinet body, so that laboratory personnel can use the platform to conduct various physical chemistry biological tests after opening the cabinet door, the existing laboratory ventilation system usually adopts the mode of detecting the air in a laboratory to judge whether the ventilation is needed, however, in the actual use process, because the conditions in the laboratory are variable and the experimental contents in different laboratories are different, the specific data of the ventilation are difficult to be unified, most of the existing laboratory ventilation systems usually adopt the mode of manual control, the defects are obvious, the optimal treatment of the gas in the laboratory in the shortest time is difficult, and the corresponding treatment is difficult to be carried out according to different gases in the laboratory, the treatment effect is not in proportion to time consumption and cost.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an intelligent laboratory ventilation PLC system adopting a wireless transparent transmission mode, and the invention aims to solve the technical problems that: in the process of actual use, because the conditions in the laboratory are variable, and the experimental contents of different laboratories are different, the specific data of ventilation are difficult to unify, so most laboratory ventilation systems generally adopt a manual control mode at present, but the defects are particularly obvious, the optimal treatment of the gas in the laboratory in the shortest time is difficult, the corresponding treatment of different gases in the laboratory is difficult, and the problem that the treatment effect and the time consumption and the cost are difficult to reach a direct ratio is caused.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent laboratory ventilation PLC system adopting a wireless transparent transmission mode comprises a PLC control end, wherein the output end of the PLC control end is electrically connected with the input end of a ventilation module, the output end of the ventilation module is electrically connected with the input end of an environment detection module, the output ends of the PLC control end and the environment detection module are both electrically connected with the input end of a database, the output end of the database is electrically connected with the input end of an extraction module, the input end of the extraction module is electrically connected with the input end of a statistic module, the input end of the statistic module is electrically connected with the output end of an airflow adjusting module, the output end of the extraction module is electrically connected with the input end of the database, the output end of the statistic module is electrically connected with the input end of the database, the input end of the airflow adjusting module is electrically connected with the output end of the PLC control end, and the output end of the PLC control end is respectively electrically connected with the input ends of an alarm module and an air purifier, the input end of the database is electrically connected with the output end of the data updating module, the input end of the data updating module is electrically connected with the output end of the extracting module, and the input end of the PLC control end is electrically connected with the output end of the database.
As a further scheme of the invention: the PLC control end includes display module and voice control module, the display module shows according to the data instruction that receives, and it is including extruding the real-time data that shows interface and database feedback, the voice control module is according to the module that can assign the personnel's information of instruction and collect of database internal storage, when the operation that needs judge or change PLC control end, can broadcast through the voice control module and report and control ventilation module, air purifier and alarm module after obtaining affirmation or cancellation instruction.
As a further scheme of the invention: the air current regulation module comprises a temperature regulation module, a humidity regulation module and a wind speed regulation module, the temperature regulation module is used for regulating indoor temperature data collected by the environment detection module, the indoor optimal temperature data stored in the data control module is required to be referred according to the regulation, the replacement instruction can be inquired through the voice control module when the regulation is required, and the laboratory temperature is regulated after the confirmation instruction is obtained.
The humidity adjusting module is used for adjusting indoor humidity, the indoor optimal humidity data stored in the data control system is required to be referred according to the adjustment, the replacement instruction is inquired through the voice control module when the adjustment is required, and the humidity in the laboratory is adjusted after the confirmation instruction is obtained.
The wind speed adjusting module is a module for adjusting indoor ventilation wind speed, indoor optimal wind speed data stored in data control needs to be referred according to the adjusting requirement, the wind speed is divided into high speed, normal speed and low speed, a replacing instruction can be inquired through the voice control module when the adjusting requirement is needed, the wind speed in a laboratory is adjusted after a confirmation instruction is obtained, meanwhile, a temperature difference value needs to be calculated according to the current indoor temperature and humidity distance, a high-speed mode is started when the difference value needs to be up to the standard by more than 1H when the difference value is discharged through the normal speed, the low-speed mode is started when the difference value needs to be up to the standard by 5-10min when the difference value is discharged through the normal speed, and the residual difference value is discharged at the normal speed.
As a further scheme of the invention: the environment detection module comprises a temperature detection module, a gas content detection module, a harmful gas detection module and a humidity detection module.
The temperature detection module is a module for detecting the temperature in the laboratory, transmits data to the database after the temperature data in the laboratory is detected, and transmits the temperature data to the temperature regulation module through the data.
The humidity detection module is a detection module for detecting the humidity in the laboratory, transmits data to the database after the humidity data in the laboratory is detected, and transmits the humidity data to the humidity adjusting module through the data.
The gas content detection module is used for detecting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen in the air, transmitting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen to the database, and transmitting the content of gas to the wind speed regulation module through the database.
The module that carries out real-time detection to the harmful gas in the experiment during harmful gas detection module then can trigger alarm module when detecting out the harmful gas in the experiment to report through voice control module, then air purifier operation can be controlled to the PLC control end, obtains the control back at indoor harmful gas, again with data transmission to the PLC control end in.
As a further scheme of the invention: and the extraction network extracts the optimal processing method according to the processing modes of over-low or over-high temperature, over-low or over-high humidity and harmful gas concentration, and the extracted processing method is conveyed to the PLC control end in an option mode to be displayed.
A statistic module: can collect the instruction that the PLC control end was assigned, through the higher data of airflow regulation module and air regulation module to appointed time, and combine the data that the environment detection module was collected to make statistics of, obtain the instruction that laboratory staff assigned under the condition of appointed time, temperature and humidity, and reach indoor most comfortable temperature and humidity this moment, show data through the PLC control end, simultaneously, inquire whether need change through voice control module.
A data updating module: judging according to the network data counted by the extraction module, and obtaining the indoor optimal data of temperature, humidity and wind speed according to a calculation formula, wherein the specific algorithm comprises the following steps:
P(s)＝p(w1)p<w2|w1>...p<wn|wn-1>
wherein p(s) is the obtained best indoor data, p (w1) is the current best data, p < w2| w1> is the difference between the best data and the current indoor data, and p < wn | wn-1> is the difference between the nth time data and the current best data.
The invention has the beneficial effects that:
the invention is provided with an extraction module, a statistical module, a voice control module, an environment detection module and a data updating module, because the extraction module can extract the processing modes of over-low or over-high temperature, over-low or over-high humidity and harmful gas concentration in the network, and extract the optimal processing method, the extracted processing method is transmitted to the PLC control end for display through the option mode, the statistical module can collect the instruction issued by the PLC control end, the instruction issued by the laboratory personnel at the appointed time, temperature and humidity can be obtained through the higher data of the airflow adjusting module and the air volume adjusting module at the appointed time and the statistics by combining the data collected by the environment detection module, and the most comfortable temperature and humidity in the room can be obtained, the data can be displayed through the PLC control end, and simultaneously, ask through the speech control module whether need to change, make this PLC system can in real time update the network and the best data that produces in the operating personnel use at the in-process of in-service use, and according to screening the best data, thereby reach the temperature that accords with current indoor environment most, and different with conventional mode of setting, when the option is replaced at every turn, adjust this PLC system through voice broadcast and speech control's mode, in the time of convenient operation, it can carry out the best processing to have ensured this PLC system in the shortest time, and diversified and real-time update's setting can ensure that this PLC system can deal with more complicated indoor environments, the treatment effect to indoor environment has been ensured when having reduced the power consumption.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a system block diagram of the airflow conditioning module of the present invention;
FIG. 3 is a system block diagram of the environmental detection module of the present invention;
in the figure: the system comprises a PLC control end 1, a ventilation module 2, an environment detection module 3, a database 4, an extraction module 5, a statistical module 6, an airflow regulation module 7, an alarm module 8, an air purifier 9 and a data updating module 10.
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.
As shown in fig. 1-3, the invention provides a laboratory ventilation intelligent PLC system adopting a wireless transparent transmission mode, comprising a PLC control terminal 1, wherein an output terminal of the PLC control terminal 1 is electrically connected with an input terminal of a ventilation module 2, an output terminal of the ventilation module 2 is electrically connected with an input terminal of an environment detection module 3, output terminals of the PLC control terminal 1 and the environment detection module 3 are both electrically connected with an input terminal of a database 4, an output terminal of the database 4 is electrically connected with an input terminal of an extraction module 5, an input terminal of the extraction module 5 is electrically connected with an input terminal of a statistic module 6, an input terminal of the statistic module 6 is electrically connected with an output terminal of an airflow adjusting module 7, an output terminal of the extraction module 5 is electrically connected with an input terminal of the database 4, an output terminal of the statistic module 6 is electrically connected with an input terminal of the database 4, an input terminal of the airflow adjusting module 7 is electrically connected with an output terminal of the PLC control terminal 1, the output of PLC control end 1 is connected with alarm module and air purifier 9's input electricity respectively, and the input of database 4 is connected with the output electricity of data update module 10, and the input of data update module 10 is even with the output electricity that draws module 5, and the input of PLC control end 1 is connected with the output electricity of database 4.
PLC control end 1 includes display module and voice control module, the display module shows according to the data instruction that receives, it is including extruding the real-time data that shows interface and database 4 feedback, the voice control module is according to the module that can assign the personnel's information of instruction of database 4 inside storage and collect, when needs judge or change PLC control end 1's operation, can broadcast through the voice control module and control ventilation module 2 after obtaining affirmation or cancellation instruction, air purifier 9 and alarm module 8.
The air flow adjusting module 7 comprises a temperature adjusting module, a humidity adjusting module and an air speed adjusting module, the temperature adjusting module adjusts indoor temperature data collected by the environment detecting module 3, the indoor optimal temperature data stored in the data control module is required to be referred according to the adjustment, the replacement instruction can be inquired through the voice control module when the adjustment is required, and the temperature in the laboratory is adjusted after the confirmation instruction is obtained.
The humidity adjusting module adjusts indoor humidity according to indoor optimal humidity data stored in the data control to be referred to, and when the indoor optimal humidity data need to be adjusted, the replacing instruction is inquired through the voice control module, and the indoor humidity is adjusted after the confirming instruction is obtained.
The wind speed adjusting module is a module for adjusting indoor ventilation wind speed, indoor optimal wind speed data stored in data control needs to be referred according to the adjustment, the wind speed is divided into high speed, normal speed and low speed, a replacing instruction can be inquired through the voice control module when the adjustment is needed, the wind speed in a laboratory is adjusted after a confirmation instruction is obtained, meanwhile, a temperature difference value needs to be calculated according to the current indoor temperature and humidity distance, when the difference value needs to be up to the standard after being discharged through the normal speed by more than 1H, the high speed mode is started, when the difference value needs to be up to the standard after being discharged through the normal speed by 5-10min, the low speed mode is started, and the residual difference value discharge time is discharged through the normal speed.
The environment detection module 3 comprises a temperature detection module, a gas content detection module, a harmful gas detection module and a humidity detection module.
The temperature detection module is a module for detecting the temperature in the laboratory, transmits data to the database 4 after the temperature data in the laboratory is detected, and transmits the temperature data to the temperature regulation module through the data.
The humidity detection module is a detection module for detecting the humidity in the laboratory, and transmits data to the database 4 after the humidity data in the laboratory is detected, and transmits the humidity data to the humidity adjusting module through the data.
The gas content detection module is used for detecting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen in the air, transmitting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen to the database 4 and transmitting the content of gas to the wind speed regulation module through the database 4.
The module that carries out real-time detection to the harmful gas in the experiment during harmful gas detection module then can trigger alarm module 8 when detecting out the harmful gas in the experiment, and report through voice control module, then air purifier 9 operation can be controlled to PLC control end 1, obtains the control back at indoor harmful gas, again with data transmission to PLC control end 1 in.
And extracting the processing modes of over-low or over-high temperature, over-low or over-high humidity and harmful gas concentration in the network, extracting the optimal processing method, and conveying the extracted processing method to the PLC control end 1 for display in an option mode.
And a statistic module 6: can collect the instruction that PLC control end 1 was assigned, through the higher data of airflow regulation module 7 and the air regulation module to appointed time, and combine the data that environment detection module 3 collected to make statistics of, obtain the instruction that laboratory staff assigned under the condition of appointed time, temperature and humidity, and reach indoor most comfortable temperature and humidity this moment, show data through PLC control end 1, simultaneously, ask whether need change through voice control module.
The data update module 10: the judgment is carried out according to the network data counted by the extraction module 5, and the indoor optimal temperature, humidity and wind speed data are obtained according to a calculation formula, wherein the specific algorithm comprises the following steps:
P(s)＝p(w1)p<w2|w1>...p<wn|wn-1>
wherein, p(s) is the obtained best indoor data, p (w1) is the current best data, p < w2| w1> is the difference between the best data and the current indoor data, and p < wn | wn-1> is the difference between the nth data and the current best data.
Because of being provided with and drawing module 5, statistics module 6, the voice control module, environment detection module 3 and data update module 10, make this PLC system can update the best data that produces in the network and the operating personnel use in real time at the in-process of in-service use, and filter according to the best data, thereby reach the temperature that accords with current indoor environment most, and different with conventional mode of setting, when the option is changed at every turn, adjust this PLC system through voice broadcast and voice control's mode, in the time of convenient operation, it can carry out the best processing to have ensured this PLC system in the shortest time, and diversified and real-time update's setting can ensure that this PLC system can deal with more complicated indoor environment, the treatment effect to indoor environment has been ensured when having reduced the power consumption.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides an adopt laboratory ventilation intelligence PLC system of wireless biography mode, includes PLC control end (1), its characterized in that: the output of PLC control end (1) is connected with the input of ventilation module (2) electrically, the output of ventilation module (2) is connected with the input of environment detection module (3) electrically, the output of PLC control end (1) and environment detection module (3) all are connected with the input of database (4) electrically, the output of database (4) is connected with the input of extraction module (5) electrically, the input of extraction module (5) is connected with the input of statistics module (6) electrically, the input of statistics module (6) is connected with the output of air current regulation module (7) electrically, the output of extraction module (5) is connected with the input of database (4) electrically, the output of statistics module (6) is connected with the input of database (4) electrically, the input of air current regulation module (7) is connected with the output of PLC control end (1) electrically, the output of PLC control end (1) is connected with the input electricity of alarm module and air purifier (9) respectively, the input of database (4) is connected with the output electricity of data update module (10), the input of data update module (10) is connected with the output electricity that draws module (5), the input of PLC control end (1) is connected with the output electricity of database (4).
2. The intelligent laboratory ventilation PLC system adopting the wireless transparent transmission mode as claimed in claim 1, wherein: PLC control end (1) includes display module and voice control module, display module shows according to the data instruction that receives, and it is including extruding the real-time data that shows interface and database (4) feedback, voice control module is according to the module that can assign the personnel's information of instruction and collect of database (4) inside storage, when the operation of judging or changing PLC control end (1) needs, can report and control ventilation module (2), air purifier (9) and alarm module (8) after obtaining affirmation or cancellation instruction through voice control module.
3. The intelligent laboratory ventilation PLC system adopting the wireless transparent transmission mode as claimed in claim 1, wherein: the air flow adjusting module (7) comprises a temperature adjusting module, a humidity adjusting module and a wind speed adjusting module, the temperature adjusting module adjusts according to indoor temperature data collected by the environment detecting module (3), the adjustment is carried out according to indoor optimal temperature data stored in data control needing to be referred, when the adjustment is needed, a replacement instruction is inquired through the voice control module, and the temperature in the laboratory is adjusted after a confirmation instruction is obtained;
the humidity adjusting module adjusts the indoor humidity according to the indoor optimal humidity data stored in the data control to be referred to, and when the indoor optimal humidity data need to be adjusted, the replacing instruction is inquired through the voice control module, and the indoor humidity is adjusted after the confirmation instruction is obtained;
the wind speed adjusting module is a module for adjusting indoor ventilation wind speed, indoor optimal wind speed data stored in data control needs to be referred according to the adjusting requirement, the wind speed is divided into high speed, normal speed and low speed, a replacing instruction can be inquired through the voice control module when the adjusting requirement is needed, the wind speed in a laboratory is adjusted after a confirmation instruction is obtained, meanwhile, a temperature difference value needs to be calculated according to the current indoor temperature and humidity distance, a high-speed mode is started when the difference value needs to be up to the standard by more than 1H when the difference value is discharged through the normal speed, the low-speed mode is started when the difference value needs to be up to the standard by 5-10min when the difference value is discharged through the normal speed, and the residual difference value is discharged at the normal speed.
4. The intelligent laboratory ventilation PLC system adopting the wireless transparent transmission mode as claimed in claim 3, wherein: the environment detection module (3) comprises a temperature detection module, a gas content detection module, a harmful gas detection module and a humidity detection module;
the temperature detection module is used for detecting the temperature in the laboratory, transmitting data into the database (4) after the temperature data in the laboratory are detected, and transmitting the temperature data to the temperature regulation module through the data;
the humidity detection module is used for detecting the humidity in the laboratory, transmitting the data into the database (4) after the humidity data in the laboratory are detected, and transmitting the humidity data to the humidity adjustment module through the data;
the gas content detection module is used for detecting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen in the air, transmitting the content of carbon monoxide, the content of carbon dioxide and the content of oxygen to the database (4), and transmitting the content of gas to the wind speed regulation module through the database (4);
the module that carries out real-time detection to the harmful gas in the experiment during harmful gas detection module then can trigger alarm module (8) when detecting out the harmful gas in the experiment to report through voice control module, then air purifier (9) operation can be controlled in PLC control end (1), obtains control back at indoor harmful gas, again with data transmission to PLC control end (1).
5. The intelligent laboratory ventilation PLC system adopting the wireless transparent transmission mode as claimed in claim 1, wherein: the extraction network extracts the optimal processing method for the processing modes of over-low or over-high temperature, over-low or over-high humidity and harmful gas concentration, and the extracted processing method is conveyed to the PLC control end (1) for display in an option mode;
a statistical module (6): the instructions issued by the PLC control end (1) can be collected, the higher data of the airflow adjusting module (7) and the air volume adjusting module at the appointed time are counted by combining the data collected by the environment detection module (3), the instructions issued by laboratory personnel at the appointed time, the temperature and the humidity are obtained, the most comfortable indoor temperature and humidity are obtained, the data are displayed by the PLC control end (1), and meanwhile, whether the data need to be changed or not is inquired by the voice control module;
data update module (10): the judgment is carried out according to the network data counted by the extraction module (5), and the indoor optimal temperature, humidity and wind speed data are obtained according to a calculation formula, wherein the specific algorithm comprises the following steps:
P(s)＝p(w1)p<w2|w1>...p<wn|wn-1>
wherein p(s) is the obtained best indoor data, p (w1) is the current best data, p < w2| w1> is the difference between the best data and the current indoor data, and p < wn | wn-1> is the difference between the nth time data and the current best data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538379.8A CN114237334B (en) | 2021-12-15 | Laboratory ventilation intelligent PLC system adopting wireless transmission mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111538379.8A CN114237334B (en) | 2021-12-15 | Laboratory ventilation intelligent PLC system adopting wireless transmission mode |
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| Publication Number | Publication Date |
|---|---|
| CN114237334A true CN114237334A (en) | 2022-03-25 |
| CN114237334B CN114237334B (en) | 2024-07-16 |
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| CN106212243A (en) * | 2016-07-11 | 2016-12-14 | 吉林大学 | A kind of based on micro-training case with the organic farm products intellectualized production system of cloud platform |
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