CN101413961A - Multifunctional air environment monitoring control device - Google Patents
Multifunctional air environment monitoring control device Download PDFInfo
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- CN101413961A CN101413961A CNA2007101761230A CN200710176123A CN101413961A CN 101413961 A CN101413961 A CN 101413961A CN A2007101761230 A CNA2007101761230 A CN A2007101761230A CN 200710176123 A CN200710176123 A CN 200710176123A CN 101413961 A CN101413961 A CN 101413961A
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Abstract
The invention discloses a multifunctional air environment monitoring and control device, comprising: a sensor part which senses one or more parameters of ambient air environment and outputs the parameters as analog quantity or digital quantity or frequency; a central processing unit part which processes and outputs signals detected by the sensor; a power supply part which provides energy for various parts of the multifunctional air environment monitoring and control device; an operation part which is operated by a user and controls the device by inputting a command; a display part; an output part; and a communication part which is a two-way communication interface to transmit digital data of the central processing unit part to other external devices and receive the data and the command from the outside. Single gas or mixed gas in the environment can be respectively monitored and controlled by the multifunctional air environment monitoring and control device, and the monitored air quality indicators can be displayed and directly controlled or transmitted to other devices, thereby being convenient for use.
Description
Technical field
The present invention relates to a kind of multifunctional air environment monitoring control device, more particularly, relate to a kind of Monitoring and Controlling air ambient and the data target that monitors is shown that by owned LED or LCD mode also can directly control the air outside treatment facility regulates air ambient, can also be sent to miscellaneous equipment or publicity system simultaneously.
Background technology
Indoor air quality (Indoor Air Quality-IAQ) is a composite target, it relates to indoor multiple gases and various low concentration pollutes, though indoor pollution possibility concentration is very low, but people are being sucked unawares passively, this low concentration pollutes long-term interference to the people can cause vegetative nervous disorder, hypoimmunity, cause in the behavior and function on variation, can't estimate the harm that the people is potential.Therefore the real-time monitoring of indoor air quality is a pith that guarantees good indoor air environment.
Hybrid gas sensor (being called the TVOC sensor) is to airborne VOC content (volatile organic compounds, as the toluene that wood coating and other building products gave out, formaldehyde), and other air pollutants such as smoke from cigarette, ammonia and hydrogen sulfide gas have high sensitivity.Simultaneously, it is to carbon monoxide, alcohol, and rock gas, sulphuric dioxide, sulfuretted hydrogen and human scent also have very high sensitivity.So, compare other single kind of gas sensor, it is more suitable for being used for monitoring for a long time room air.
In the indoor place of relative closure such as public place, family, office, railway carriage etc., especially in the public place, such as large scale business center and other places, because people are in the space of a relative closure, the air flow degree is not as high out of doors, so pollutant is easy to accumulate in air.At this moment, adopt display screen to show airborne pollutant and concentration thereof, so that people can know clearly self residing ambient conditions.
Fig. 1 shows a kind of chemical gas transmitter of prior art, and it comprises 10, one sensors 11 of central processing portion, output 12, power unit 13.Wherein, the analog signals of sensor 11 inductions is transmitted to central processing portion 10, central processing portion 10 is with the A/D conversion process of simulating signal through self, the simulating signal that sensor 11 is transmitted changes into digital signal, be converted to simulating signal by output through D/A and deliver to DDC or other equipment, come opertaing device by DDC or other equipment, for example, blower fan etc.Thereby reach the purpose of control air quality.
Above multifunctional air environment monitoring control device can pass through airborne certain gas concentration of sensor, and exports linear analog quantity by output, is transferred to DDC or other equipment.Its power unit is generally 24VAC, and this just requires the erecting stage must have the 24VAC power supply, makes troubles to application.This equipment can not be exported in the mode that PID regulates as controller, and does not have the conversion of mode of operation button, switching value output can't carry out directly control of scene, for example, controls new wind, ventilation equipment etc.Need connect other equipment as controlling then.In addition, environment is to the influence of sensor, and for example, the humiture of environment, sea level elevation etc. are not revised automatically, and this just will certainly have influence on equipment measuring accuracy in different environment, has certain error with the actual value of gas concentration.Thereby caused The measuring precision poor, structure is single, the inconvenience that the user uses.While is owing to sensor is single, if the concentration of gas with various in the monitoring air need be installed different types of transmitter respectively.Increased cost so rapidly, and caused and installed inconvenience.Increased unsafe factor.And can not select by button control mode, limit application flexibility.
Summary of the invention
Therefore, the invention is intended to solve because one or more problems that the defective of prior art causes.
The purpose of this invention is to provide a kind of multifunctional air environment monitoring control device, it can carry out data processing with detected environmental parameter, so that directly output to miscellaneous equipment or computing machine, is directly used.A kind of possibility of two-way communication is provided.Also can show, and control the air quality conditioning equipment, thereby reach the air quality of regulating monitored space, or when the concentration of a certain gas surpasses setting value, report to the police by the output block of self by owned indicating device LED or LCD.
Another object of the present invention provides a kind of multifunctional air environment monitoring control device, and (the chemical classes sensor comprises, the sensor of single kind of gas, mixed gas sensor, a plurality of gas sensors, physical sensors comprises temperature, humidity sensor) it can carry out data processing with detected environmental parameter, so that directly output to miscellaneous equipment or computing machine, directly to be used.Or control the air quality conditioning equipment, thereby reach the air quality of regulating monitored space by the output block of self.Also can show by owned indicating device LED or LCD
The purpose of this invention is to provide a kind of merit multifunctional air environment monitoring control device, its can with the external equipment two-way communication, also can directly carry out data presentation by owned display device (LED light or LCD).Or control the air quality conditioning equipment by the output block of self, and for example, blower fan etc.
According to purpose of the present invention, a kind of multifunctional air environment monitoring control device is provided, it comprises sensor element, it is induction ambient air environment parameter and the sensor of exporting this parameter with analog quantity or pulse; The central processing unit parts, it is the processor of integrated chip structure, with sensor to conversion of signals be numerical data, and carry out a series of data processing; Functional unit, it is to adopt button to regulate, transformation working pattern, display unit, it is indicated the numerical data after changing or show; Output block, setting are as required exported corresponding electric signal and are comprised for application, and linear output, PID regulate output, switch output; Power supply unit, it is the power supply that energy is provided to each parts of multifunctional air environment monitoring control device; Communication component, it is the communication interface of communicating by letter with cpu and other external equipment, thus the numerical data that transmits the central processing unit part and can receive external command simultaneously sensor parameters is set and revised to external equipment,
According to purpose of the present invention, a kind of multifunctional air environment monitoring control device is provided, it comprises sensor element, it is induction one or more parameters of ambient air environment and the sensor of exporting this parameter with analog quantity or pulse; The central processing unit parts, it is the processor of integrated chip structure, with sensor to conversion of signals be numerical data; Power supply unit, it is the power supply that energy is provided to each parts of multifunctional air environment monitoring control device; Display unit, it is indication or the various parameter values that show air in the air; Output block, setting are as required exported corresponding electric signal for application, comprise, linear output, PID regulate output, switch output, buzzer warning; Communication component, it is the communication interface of communicating by letter with cpu and other external equipment, thus the numerical data that transmits the central processing unit part and can receive external command simultaneously sensor parameters is set and revised to external equipment.
According to the present invention, this multifunctional air environment monitoring control device can offer display device after treatment with the multinomial air quality parameters in the environment of sensing, or shows by self LED light or LCD, and display result comes into plain view.And has a warning function.Be applicable to long-term on-line monitoring, in real time monitoring.Thereby simplified system architecture and user-friendly.
Preferably, adopt the embedded microprocessor microcontroller of multi-functional high integration to realize that multifunctional air environment monitoring control device of the present invention is with real-time processing data.
Preferably, a plurality of single-sensor of the present invention can concentrate in the multifunctional air environment monitoring control device.
Preferably, the present invention has communication interface, and realizes intercommunication mutually by communication interface.Thereby the data of handling are sent to the perimeter network of the corresponding interface, and receive information from perimeter network.
Like this, by multifunctional air environment monitoring control device, for the processing of data and be sent to peripheral processing unit so that Centralized Monitoring, function that can enhanced system.And, show availability that can enhanced system in real time by the owned display device of multifunctional air environment monitoring control device.
In addition, directly control air conditioning equipment by the output unit of multifunctional air environment monitoring control device, applying flexible, and, directly control the difference in functionality conditioning equipment by the operating means of multifunctional air environment monitoring control device.
In addition, by the communication device of multifunctional air environment monitoring control device, air quality is controlled in on-line monitoring for a long time in real time, the Realtime Alerts prompting.
In sum, the Sensor section by multifunctional air environment monitoring control device is installed as the mixer body sensor, can detect the composite target of gas with various simultaneously.And multifunctional air environment monitoring control device of the present invention can be realized convenient the installation, and can monitor the air ambient data that the sensor sensing of long-range setting arrives simultaneously, so that the different user operation.
Description of drawings
Fig. 1 is the block diagram of the gas transmitter of prior art;
Fig. 2 is the theory diagram according to multifunctional air environment monitoring control device of the present invention;
Embodiment
Describe specific embodiments of the invention below with reference to the accompanying drawings in detail.
Fig. 2 is the theory diagram according to multifunctional air environment monitoring control device of the present invention.
As shown in Figure 2, multifunctional air environment monitoring control device of the present invention mainly comprises: central processing portion 100, display part 101, Sensor section 102, output 103, communication part 104, power unit 105, functional unit 106.
According to the present invention, this multifunctional air environment monitoring control device has one or more pure gas sensors or hybrid gas sensor 102, for example, it can be CO2+CO (VOC/O3/SO2/HCHO)+temperature+humidity network multifunctional air environment monitoring control device, or VOC multifunctional air environment monitoring control device, or other kind network multifunctional air environment monitoring control devices, such as F2000TSM-IAQ-S401-N.This multifunctional air environment monitoring control device 102 can adopt the chemical classes sensor, for example, and CO
2, CO, VOC, O
3, SO
2, sensor and physics class sensors such as HCHO, for example, NTC thermistor, HS series capacitive humidity sensor are monitored the concentration of airborne all gases, and the temperature and humidity of air.This multifunctional air environment monitoring control device also comprises intelligent AVR chip, high speed MAX487E communication chip etc., thereby concentration, temperature, the humidity raw data of all gases in the monitored site space of Sensor section 102 collections is sent to central processing portion 100 by the communication interface of himself after treatment.In the present invention, central processing portion 100 is with the raw data of environmental parameter, carry out data processing such as A/D conversion and linearization, filtering by embedded microprocessor microcontroller itself, obtain the measured value of respective environment parameter, directly export by RS485 communication interface part 104 again.Or central processing portion 100 becomes displayable data layout to show by display part 101 original data processing of environmental parameter.Central processing portion 100 is exported corresponding electric signal for application according to the raw data of environmental parameter and setting in advance by output 104.Central processing portion 100 is controlled output 103 on off states according to the operation of operation part 106 (inductive switch or other buttons), for example, often opens, normally closed, automatic control.
Describe various piece of the present invention in detail below with reference to Fig. 2.
As shown in Figure 2, multifunctional air environment monitoring control device of the present invention comprises central processing unit part 100, display part 101, Sensor section 102, output 103, communications portion 104, power unit 105, operation part 106.
In certain embodiments of the invention, central processing portion 100 is the integrated form chip structure, and for example, the AVR series monolithic is handled with the data that Sensor section 102 is sensed.Power unit 105 is applicable to wide in range voltage input, for example, mains supply 220VAC or 12V-40VAC/VDC, it can adopt high performance power management chip, thereby reaches the effect that reduces the power supply temperature, to reduce the interference of temperature to sensor.Communications portion 104 can comprise one road RS485 interface, thereby can carry out data communication with other opertaing devices.Operation part 106 is high performance induction chip, substitutes traditional by strong.Equipment is operated.As required, Sensor section 102 can comprise chemical classes, for example, and carbon dioxide (CO
2), carbon monoxide (CO), mixed gas (composite target of VOC multiple gases) ozone (O
3) sulphuric dioxide (SO
2), formaldehyde sensors such as (HCHO), the physics class, for example, sensors such as temperature, humidity can be sensors known to a person of ordinary skill in the art with upper sensor, therefore, here will not be described in detail.
In this multifunctional air environment monitoring control device, will be by carbon dioxide (CO2), carbon monoxide (CO), mixed gas (VOC), ozone (O
3), sensor acquisition such as sulphuric dioxide (SO2), formaldehyde (HCHO), temperature, the humidity raw data of coming handled by central processing portion 100, and the data of handling offered other opertaing devices by the RS485 interface.Or show by display part 101, and control output 103 carries out the electric signal output or the output of reporting to the police.Output 103 can comprise that switch output and linearity output or PID after the D/A conversion regulate output, select according to different needs.
According to the present invention, multifunctional air environment monitoring control device is inner to adopt embedded microprocessor microcontroller to carry out data processing, after the environmental parameter process conversion Calculation that collects, send other treatment facility again to, can show by owned indicating device LED or LCD, or handle laggard line output control.Therefore, because multifunctional air environment monitoring control device itself has carried out computing to data, multifunctional air environment monitoring control device also can directly be sent to PC or other peripheral processing unit and communication facilities with data by the RS485 interface.
For example, this multifunctional air environment monitoring control device can have the digital interface of transmitted in both directions, not only the signal of sensor can be transferred to miscellaneous equipment after treatment, and simultaneously by this two-way communication data communication interface, can carry out the setting and the correction of measurement parameter to this multifunctional air environment monitoring control device, comprise compensation of carrying out atmospheric pressure in the environment for use etc.Thereby, can connect with computing machine or miscellaneous equipment by many multifunctional air environment monitoring control devices owing to adopt data communication interface can grow the Distance Transmission data.
In addition, those skilled in the art in the present invention, according to concrete needs, can integrate a plurality of single gas sensors or hybrid gas sensor as can be known, improve the integrated level of device, and the simplification device structure reduces manufacturing cost.
Below, will be with regard to the part measurand of multifunctional air environment monitoring control device: environment carbon monoxide (CO) concentration, environment carbon dioxide (CO2), environment mixed gas (VOC), environment ozone (O3), environment formaldehyde (HCHO), environment sulphuric dioxide (SO2) concentration, environment temperature, ambient humidity be described the treatment scheme of multifunctional air environment monitoring control device of the present invention.
1. environment carbon monoxide (CO) concentration operating process is as follows:
The airborne CO concentration of CO sensors sense environmental, and convert voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (CO) preset value.
2. environment carbon dioxide (CO2) concentration operating process is as follows:
The airborne CO2 concentration of CO2 sensor assembly testing environment, and outputting data signals; Central processing unit is handled by serial ports read module data, and the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (CO2) preset value.
3. environment mixed gas (VOC) concentration operating process is as follows:
Mixed gas concentration (composite target of multiple gases) in the tested gas in VOC sensor public place, and convert voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (VOC) preset value.
4. environment ozone (O3) concentration operating process is as follows:
O3 concentration in the tested gas in O3 sensor public place, and convert voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (O3) preset value.
5. environment formaldehyde (HCHO) concentration operating process is as follows:
HCHO concentration in the tested gas in formaldehyde (HCHO) sensor public place, and convert voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (HCHO) preset value.
6. environment sulphuric dioxide (SO2) concentration operating process is as follows:
SO2 concentration in the tested gas in SO2 sensor public place, and convert voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with (SO2) preset value.
7. the environment temperature operating process is as follows:
Temperature sensor detects public place test environment temperature, and converts voltage signal to; Voltage signal is sent to amplifier, converts digital signal to and handle through the A/D convertor circuit of central processing unit itself; And the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with the temperature value of presetting.
8. the ambient humidity operating process is as follows:
Humidity sensor detects public place test environment humidity, converts frequency signal to through freq converting circuit; Central processing unit monitoring frequency signal is also handled, and the data-signal after will handling shows by owned display part, or is transferred to other equipment by communication interface.Simultaneously can be by comparing output control with the humidity value of presetting.
By top described, in the present invention, adopt the embedded microprocessor microcontroller of multi-functional high integration to realize multifunctional air environment monitoring control device, thereby real-time processing data, and the present invention can be integrated in a multifunctional air environment monitoring control device with a plurality of sensors, or use a hybrid gas sensor, monitor the multiple gases concentration in the gas simultaneously, thereby saved manufacturing cost.And, in the middle of production run, can one a plurality of sensors in the multifunctional air environment monitoring control device carry out mutual verification, improved the accuracy and the required time of verification.Processing capacity and the control Presentation Function of finishing data make designs simplification, and convenient the installation reduced cost.
In sum, by the present invention, can make product integrated level height, constitute simple, volume and reduce; Reduce product and use difficulty (comprise and installing and operation), thereby this product can be used widely in multiple place.
In addition, by the air ambient data that monitor are handled, and send to peripheral processing unit, the present invention can significantly improve the handling property of system, the networking of whole air environment monitoring be can realize simultaneously, the remote collection and the centralized management of data are convenient to.
Claims (10)
1. multifunctional air environment monitoring control device comprises:
Sensor element, its induction one or more parameters of ambient air environment are also exported this parameter with analog quantity or digital quantity or frequency;
The central processing unit parts, it is the processor of integrated chip structure, and the signal of sensor directly is converted to digital signal output;
Power supply unit, it is the power supply that energy is provided to each parts of multifunctional air environment monitoring control device;
Functional unit, it is operated by the user, and input instruction is to control device;
Display unit, it is shown to the user with the air quality index that monitors;
Output block, it provides data and instruction output by output interface to the external world;
Communication component, it is the bi-directional communication interface of cpu and other external device communication, thus the numerical data that transmits the central processing unit part arrives other external unit, and receive data and instruction from the outside.
2. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that this sensor element comprises chemical classes gas sensor and physical sensors.
3. multifunctional air environment monitoring control device as claimed in claim 2 is characterized in that, this chemical classes gas sensor is the sensor of one or more measurement pure gases, perhaps mixed gas sensor.
4. multifunctional air environment monitoring control device as claimed in claim 2, wherein, this physical sensors comprises temperature sensor, at least one in the humidity sensor or a plurality of.
5. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that, these central processing unit parts are embedded microprocessor microcontrollers.
6. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that, this functional unit adopts induction type touch key-press or other button to regulate, with the mode of operation of conversion equipment.
7. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that, this display unit shows the air quality index that monitors by LED or LCD mode.
8. multifunctional air environment monitoring control device as claimed in claim 1, wherein, the further warning piece of this output block, it is reported to the police by auditory tone cues when the air quality index that monitors exceeds index.
9. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that this output block further comprises the D/A converting member, and it provides analog output interface circuit to cpu and other external equipment.
10. multifunctional air environment monitoring control device as claimed in claim 1 is characterized in that this output block further comprises switch output control part spare, and it provides the switch control interface to cpu and other external unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101761230A CN101413961A (en) | 2007-10-19 | 2007-10-19 | Multifunctional air environment monitoring control device |
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| CNA2007101761230A CN101413961A (en) | 2007-10-19 | 2007-10-19 | Multifunctional air environment monitoring control device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806483A (en) * | 2010-03-30 | 2010-08-18 | 重庆海润节能技术股份有限公司 | Air quality detection and control system |
| CN102608173A (en) * | 2012-02-23 | 2012-07-25 | 广东白云学院 | Wide humidity environment-friendly humidity sensing device and control method thereof |
| CN102798698A (en) * | 2011-05-26 | 2012-11-28 | 北京中立格林控制技术有限公司 | Internet of things gas monitoring and warning device |
| CN103632497A (en) * | 2013-11-22 | 2014-03-12 | 青岛海尔软件有限公司 | Smoking ban warning system |
| CN105136198A (en) * | 2015-07-31 | 2015-12-09 | 合肥智凯电子科技有限公司 | Air environment monitoring display system for public places |
| CN105381556A (en) * | 2015-11-19 | 2016-03-09 | 宁波祖创电子科技有限公司 | Intelligent wearable type air purifier |
| CN106980309A (en) * | 2017-05-23 | 2017-07-25 | 龙湖物业服务集团有限公司 | Facilities and equipment intelligent remote management system |
| CN107402046A (en) * | 2017-08-16 | 2017-11-28 | 广西柳城县绿之缘生态农业科技有限公司 | A kind of environment monitoring device based on agricultural sightseeing tourism special zone |
| CN107776530A (en) * | 2016-08-26 | 2018-03-09 | 何享贤 | Remote short messages warning device is monitored based on ammonia fuel automobile vehicle environment |
| CN107782360A (en) * | 2016-08-26 | 2018-03-09 | 何享贤 | Automobile bodies environmental monitoring remote short messages warning device |
| CN108267170A (en) * | 2017-12-28 | 2018-07-10 | 青岛真时科技有限公司 | A kind of method of environmental monitoring and device |
-
2007
- 2007-10-19 CN CNA2007101761230A patent/CN101413961A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806483A (en) * | 2010-03-30 | 2010-08-18 | 重庆海润节能技术股份有限公司 | Air quality detection and control system |
| CN101806483B (en) * | 2010-03-30 | 2012-07-04 | 重庆海润节能技术股份有限公司 | Air quality detection and control system |
| CN102798698A (en) * | 2011-05-26 | 2012-11-28 | 北京中立格林控制技术有限公司 | Internet of things gas monitoring and warning device |
| CN102608173A (en) * | 2012-02-23 | 2012-07-25 | 广东白云学院 | Wide humidity environment-friendly humidity sensing device and control method thereof |
| CN103632497A (en) * | 2013-11-22 | 2014-03-12 | 青岛海尔软件有限公司 | Smoking ban warning system |
| CN105136198A (en) * | 2015-07-31 | 2015-12-09 | 合肥智凯电子科技有限公司 | Air environment monitoring display system for public places |
| CN105381556A (en) * | 2015-11-19 | 2016-03-09 | 宁波祖创电子科技有限公司 | Intelligent wearable type air purifier |
| CN107776530A (en) * | 2016-08-26 | 2018-03-09 | 何享贤 | Remote short messages warning device is monitored based on ammonia fuel automobile vehicle environment |
| CN107782360A (en) * | 2016-08-26 | 2018-03-09 | 何享贤 | Automobile bodies environmental monitoring remote short messages warning device |
| CN106980309A (en) * | 2017-05-23 | 2017-07-25 | 龙湖物业服务集团有限公司 | Facilities and equipment intelligent remote management system |
| CN107402046A (en) * | 2017-08-16 | 2017-11-28 | 广西柳城县绿之缘生态农业科技有限公司 | A kind of environment monitoring device based on agricultural sightseeing tourism special zone |
| CN108267170A (en) * | 2017-12-28 | 2018-07-10 | 青岛真时科技有限公司 | A kind of method of environmental monitoring and device |
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Application publication date: 20090422 |