CN210465699U - Multifunctional hazardous gas monitoring device and monitoring and early warning system - Google Patents

Multifunctional hazardous gas monitoring device and monitoring and early warning system Download PDF

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Publication number
CN210465699U
CN210465699U CN201921036554.1U CN201921036554U CN210465699U CN 210465699 U CN210465699 U CN 210465699U CN 201921036554 U CN201921036554 U CN 201921036554U CN 210465699 U CN210465699 U CN 210465699U
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sensor
monitoring
controller
rod body
data
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施富强
廖学燕
施轶凡
吕恒
蒯念生
何雄元
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Sichuan Anxin Kechuang Technology Co ltd
Sichuan Hengyuntong Technology Co ltd
Sichuan safety science and technology research institute
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Sichuan Anxin Kechuang Technology Co ltd
Sichuan Hengyuntong Technology Co ltd
Sichuan safety science and technology research institute
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Abstract

The utility model relates to a multifunctional hazardous gas monitoring device and a monitoring and early warning system, the device comprises a base and a rod body arranged on the base, the top end of the rod body is provided with a GNSS receiver and an air speed and wind direction sensor, and the base is provided with a micro-seismic sensor which is integrated with the monitoring device; the upper part of the rod body is provided with a photovoltaic cross rod, and a photovoltaic plate is arranged on the photovoltaic cross rod; the upper part of the rod body is provided with a laser methane sensor, and the lower part of the rod body is provided with an integrated gas sensor; the control box is internally provided with a data sampling module, a controller, a data transmission module and an MPPT controller connected with the photovoltaic panel; the wind speed and direction sensor, the microseismic sensor, the laser methane sensor, the integrated gas sensor and the MPPT controller are connected with the controller through the data sampling module; the GNSS receiver, the alarm device and the data transmission module are respectively connected with the controller; the controller judges whether to send an alarm signal to the alarm device according to whether various monitoring data trigger a threshold value.

Description

Multifunctional hazardous gas monitoring device and monitoring and early warning system
Technical Field
The utility model relates to a dangerous chemical monitoring field, especially a multi-functional dangerous gas monitoring devices and monitoring early warning system.
Background
Aiming at the hazardous gas chemical industry, the conventional mode adopts a regular handheld inspection to the gas which is possibly leaked, or adopts a fixed-point monitoring measure to monitor the gas concentration reaching a threshold value and give an alarm locally, so as to solve the leakage safety problem of the hazardous gas. The manual checking mode is time-consuming and labor-consuming, and has the defects of incomplete point detection and poor real-time performance, so that false alarm is easy to generate. The fixed-point monitoring of the gas concentration only focuses on the dangerous gas, and the available information provided by relevant factors influencing the generation of the leakage of the dangerous gas and the early warning and escape suggestions of dangerous disasters is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of low monitoring efficiency, real-time detection and easy false missing and report of the existing hazardous gas monitoring scheme, a multifunctional hazardous gas monitoring device and a monitoring and early warning system are provided.
A multifunctional hazardous gas monitoring device comprises a base and a rod body arranged on the base, wherein a GNSS receiver and an air speed and wind direction sensor are arranged at the top end of the rod body, and a micro-seismic sensor integrated with the monitoring device is arranged on the base;
a photovoltaic cross rod is arranged at the upper part of the rod body, and a photovoltaic plate is arranged on the photovoltaic cross rod; the upper part of the rod body is provided with a laser methane sensor, and the lower part of the rod body is provided with an integrated gas sensor;
the photovoltaic module comprises a rod body, a photovoltaic panel, a data sampling module, a controller, a data transmission module and an MPPT controller, wherein the rod body is also provided with a control box and an alarm device, and the MPPT controller is connected with the photovoltaic panel;
the wind speed and direction sensor, the microseismic sensor, the laser methane sensor, the integrated gas sensor and the MPPT controller are connected with the controller through the data sampling module; the GNSS receiver, the alarm device and the data transmission module are respectively connected with the controller; and the controller judges whether to send an alarm signal to the alarm device according to whether various monitoring data trigger a threshold value.
The monitoring device is based on the landslide and the settlement monitoring of GNSS positioning and based on the static differential measurement original to realize the high-precision millimeter precision monitoring scheme. Static differencing means that measurements are made between two or more GNSS receivers over a relatively long period of time (typically over one hour) to obtain highly accurate position data.
The wind speed and direction sensor is used for monitoring real-time meteorological information of the positioning point so as to obtain a timely gas diffusion channel and diffusion conditions.
The laser methane sensor detects the highest concentration of methane on the path through which the laser passes through by the laser emission principle, and compared with the traditional gas sensor, the laser methane sensor can only detect the gas distribution condition of the adjacent area of the gas sensor, and the detection range is wider. The integrated gas sensor that the body of rod lower part set up can integrate multiple gas sensor as required, surveys multiple flammable and explosive and toxic gas simultaneously.
In a specific embodiment, the monitoring device is provided with 3-channel microseismic sensors, the frequency response range of the microseismic sensors is 0.01Hz to 250Hz, the speed measurement range is 0.01cm/s to 40cm/s (X, Y, Z three directions), and the measurement precision is 0.5 percent.
The MPPT (maximum Power Point tracking) sensor is a maximum Power Point tracking sensor, the output Power of the photovoltaic module is changed due to the influence of external factors such as light intensity and environment, and the MPPT sensor is used for keeping an inverter of the photovoltaic module to operate at a maximum Power Point, so that solar energy is fully utilized.
Further, the control box is provided with a door sensor, and the door sensor is connected with the controller through the data sampling module. The monitoring device is provided with a door magnetic sensor, the opening and closing state of the door of the control box is monitored in real time, and the monitoring device plays a good role in monitoring malicious damage and illegal invasion.
Further, a temperature and humidity sensor is further arranged on the rod body and connected with the controller through the data sampling module. In the specific implementation mode, the monitoring device is provided with a TH10S-B _ RS485 communication type temperature and humidity sensor, the power consumption is less than 0.1W, the use requirement of lack of field electric power energy is met, and the temperature precision is as follows: 0.1 ℃ resolution of +/-0.5 ℃, humidity precision: 5% rh, resolution 0.1 rh.
Further, the GNSS receiver supports GPS, Beidou and GLONASS multimode satellite navigation systems.
Furthermore, a video monitoring device is further arranged on the rod body or the cross rod and connected with the controller to transmit video signals. The video monitoring device can be started according to the abnormal conditions of various monitoring data to acquire the image data around the monitoring point positions of the hazardous gas.
Furthermore, a fixed support is arranged on the cross rod, and the photovoltaic panel is connected with the fixed support through a semicircular mounting plate; the semicircular mounting plate comprises a fixing hole near the circle center and angle adjusting holes distributed in a fan shape on the inner side of the circumference, and the angle adjusting holes are hole positions separated from each other or integral fan-shaped strip-shaped holes.
Furthermore, a waist circular hole along the circumferential direction is formed in the circumference of the rod body base with the center of the base as the circle center.
The utility model discloses an on the other hand provides a multi-functional dangerous gas monitoring and early warning system: the monitoring device comprises a GNSS reference station and a plurality of monitoring devices arranged in a monitoring area, wherein the monitoring devices are connected with a remote data service platform through a wireless communication network, and the remote data service platform is used for storing, analyzing and early warning various monitoring data transmitted by the monitoring devices and sending warning information to warning equipment and the monitoring devices;
the remote data service platform comprises a data server, a data backup server, a WEB server and an application program server, and sends alarm information to the alarm equipment through the application program server.
Furthermore, the system also comprises a third-party monitoring platform, and the remote data service platform sends monitoring data to the third-party monitoring platform through a network firewall.
Has the advantages that:
1. the application provides a multi-functional danger monitoring devices has been equipped with laser methane sensor and integrated gas sensor and corresponding collection, control and transmission equipment simultaneously, has realized the online real-time supervision to multiple inflammable and explosive, toxic gas, and laser methane sensor's setting has broken through the limitation that traditional gas sensor can only gather the sensor near area, has enlarged hazardous gas's detection scope.
2. The monitoring device integrates GNSS information and microseismic information, and simultaneously monitors the accident explosion vibration of the place where the dangerous chemical monitoring device is located and the seismic waves reaching the place, so that the influence degree of the explosion shock waves or the seismic wave intensity on the dangerous source can be measured.
3. The photovoltaic panel of the monitoring device adopts the photovoltaic bracket and the semicircular mounting plate to realize an angle-adjustable mounting mode, so that the single-axis direction of the photovoltaic panel is adjustable; meanwhile, the waist round hole formed in the device base along the circumferential direction enables the monitoring device to rotate in the horizontal direction and to be adjustable, and the photovoltaic panel is driven to achieve double-shaft-direction adjustment. The double-shaft direction of the photovoltaic panel is adjustable, the placing angle of the photovoltaic panel can be adjusted according to the needs of seasons or terrains, and the photovoltaic use efficiency is improved to the maximum.
4. The remote real-time online monitoring and early warning system based on the GNSS satellite positioning system and the Internet of things technology is constructed by the monitoring device, the monitoring device and the data analysis service platform are integrated, and the gas concentration, vibration, wind power and wind direction and field environment data of a plurality of dangerous gas monitoring points in a monitoring area are collected in real time.
Drawings
FIG. 1 is a front view of the structure of the multifunctional hazardous gas monitoring device in embodiment 1;
FIG. 2 is a structural front view of the multifunctional hazardous gas monitoring device in the embodiment 1;
FIG. 3 is a view showing the arrangement of a waist circular hole of a base in accordance with example 1;
FIG. 4 is a connection diagram of functional modules of the multifunctional hazardous gas monitoring device in the embodiment 1;
FIG. 5 is a circuit diagram of a GNSS module according to an embodiment 1;
FIG. 6 is a circuit diagram of a microseismic sensor of embodiment 1;
FIG. 7 is a circuit diagram of a laser methane sensor according to example 1;
FIG. 8 is a circuit diagram of an integrated gas sensor according to example 1;
FIG. 9 is a circuit diagram of a temperature/humidity sensor according to embodiment 1;
FIG. 10 is a circuit diagram of an MPPT sensor of embodiment 1;
FIG. 11 is a circuit diagram of a data transmission module according to embodiment 1;
fig. 12 is a structural view of a monitoring system of embodiment 2.
The labels in the figure are: the system comprises a base 1, a rod body 2, a GNSS receiver 3, an anemoruminal direction sensor 4, a microseismic sensor 5, a photovoltaic cross rod 6, a photovoltaic plate 7, a laser methane sensor 8, an integrated gas sensor 9, a temperature and humidity sensor 10 and a control box 11.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Embodiment 1 provides a multifunctional hazardous gas monitoring device, as shown in fig. 1-2, which includes a base 1 and a rod body 2 disposed on the base 1, wherein a GNSS receiver 3 and a wind speed and direction sensor 4 are disposed at a top end of the rod body 2, and the base 1 is provided with a microseismic sensor 5 integrated with the monitoring device;
a photovoltaic cross rod 6 is arranged at the upper part of the rod body 2, and a photovoltaic plate 7 is arranged on the photovoltaic cross rod 6; the upper part of the rod body 2 is provided with a laser methane sensor 8, and the lower part of the rod body 2 is provided with an integrated gas sensor 10;
the rod body 2 is also provided with a control box 11 and an alarm device, and a data sampling module, a controller, a data transmission module and an MPPT controller connected with the photovoltaic panel are arranged in the control box 11;
as shown in fig. 4, the wind speed and direction sensor 4, the microseismic sensor 5, the laser methane sensor 8, the integrated gas sensor 9 and the MPPT controller are connected to the controller through the data sampling module; the GNSS receiver 3, the alarm device and the data transmission module are respectively connected with the controller; and the controller judges whether to send an alarm signal to the alarm device according to whether various monitoring data trigger a threshold value.
The monitoring device is based on the landslide and the settlement monitoring of GNSS positioning and based on the static differential measurement original to realize the high-precision millimeter precision monitoring scheme. Static differencing means that measurements are made between two or more GNSS receivers over a relatively long period of time (typically over one hour) to obtain highly accurate position data.
The wind speed and direction sensor 4 is used for monitoring real-time meteorological information of the positioning point so as to obtain a timely gas diffusion channel and diffusion conditions.
The laser methane sensor 8 detects the highest concentration of methane on the path through which the laser passes by the laser emission principle. The integrated gas sensor 9 that the body of rod lower part set up can integrate multiple gas sensor as required, surveys multiple flammable and explosive and toxic gas simultaneously.
The monitoring device is provided with a 3-channel microseismic sensor 5, the frequency response range of the microseismic sensor 5 is 0.01Hz to 250Hz, the speed measurement range is 0.01cm/s to 40cm/s (X, Y, Z three directions), and the measurement precision is 0.5 percent.
The MPPT (maximum Power Point tracking) sensor is a maximum Power Point tracking sensor, the output Power of the photovoltaic module is changed due to the influence of external factors such as light intensity and environment, and the MPPT sensor is used for keeping an inverter of the photovoltaic module to operate at a maximum Power Point, so that solar energy is fully utilized.
The control box 11 is provided with a door sensor, and the door sensor is connected with the controller through the data sampling module. The monitoring device is provided with a door magnetic sensor, the opening and closing state of the door of the control box is monitored in real time, and the monitoring device plays a good role in monitoring malicious damage and illegal invasion.
Still be provided with temperature and humidity sensor 10 on the body of rod 2, temperature and humidity sensor 10 passes through data sampling module connects the controller. In the specific implementation mode, the monitoring device is provided with a TH10S-B _ RS485 communication type temperature and humidity sensor, the power consumption is less than 0.1W, the use requirement of lack of field electric power energy is met, and the temperature precision is as follows: 0.1 ℃ resolution of +/-0.5 ℃, humidity precision: 5% rh, resolution 0.1 rh.
The GNSS receiver supports GPS, Beidou and GLONASS multimode satellite navigation systems.
The rod body or the cross rod is further provided with a video monitoring device, and the video monitoring device is connected with the controller to transmit video signals. The video monitoring device can be started according to the abnormal conditions of various monitoring data to acquire the image data around the monitoring point positions of the hazardous gas.
As shown in fig. 2, a fixing bracket is arranged on the cross bar, and the photovoltaic panel is connected with the fixing bracket through a semicircular mounting plate; the semicircular mounting plate comprises a fixing hole near the circle center and angle adjusting holes distributed in a fan shape on the inner side of the circumference, and the angle adjusting holes are hole positions separated from each other or integral fan-shaped strip-shaped holes.
As shown in fig. 3, a circle of the rod base with the center of the base as a circle center is provided with a circular hole along the circumference direction.
In a specific implementation manner, the controller adopts an STM32F407VET6 type embedded single chip microcomputer, the data acquisition module adopts an STM32F103R8 embedded single chip microcomputer, as shown in fig. 5, a GNSS receiver module circuit is provided, the GNSS receiver supports a GPS, beidou and GLONASS multimode satellite navigation system, the GNSS receiver is connected to a corresponding port of the controller through U1-24 RXDE and U1-23 TXD4 in the figure, and the GNSS receiver and the controller adopt USART (full duplex universal synchronous/asynchronous serial transceiver module) communication.
As shown in FIG. 6, the circuit diagram of the microseismic sensor is shown, and the microseismic sensor is connected with the corresponding port of the controller through U9-16 and U9-17. Similarly, fig. 7 is a circuit diagram of a laser methane sensor, fig. 8 is a circuit diagram of an integrated gas sensor including a gas detection sensor 4, fig. 9 is a circuit diagram of a temperature and humidity sensor, and fig. 10 is a circuit diagram of an MPPT sensor; after the sensors are connected with the data sampling module through corresponding ports, the data sampling module is connected with the controller for data transmission. In addition, the door magnetic sensor adopts switching value input, the integrated gas sensor adopts analog value input, the laser methane sensor and the microseismic sensor adopt RS232 communication, and the MPPT sensor and the temperature and humidity sensor adopt RS485 communication.
Fig. 10 is a circuit diagram of a data transmission module, fig. 11 is a circuit diagram of a power control module of an acousto-optic alarm module and a video monitoring device, the above modules are directly connected with the controller, the control of the data transmission and the controller to the modules is realized, wherein, the acousto-optic alarm module adopts switching value output, and the DTU data transmission module adopts USART communication.
Example 2
Embodiment 2 provides a monitoring and early warning system constructed by using the above multifunctional hazardous gas monitoring device, as shown in fig. 12, which includes a GNSS reference station and a plurality of monitoring devices disposed in a monitoring area according to the first aspect of the present invention, wherein the monitoring devices are connected to a remote data service platform through a 4G wireless transmission module DTU, and the remote data service platform is used for storing, analyzing and early warning various types of monitoring data transmitted by the monitoring devices, and sending warning information to a warning device and the monitoring devices; the storage comprises standardization of data formats, construction of a database and construction of query indexes, the analysis and early warning mainly comprises the steps of comparing various monitoring data with a preset threshold value so as to send an alarm signal to the monitoring device according to whether the monitoring data exceed the threshold value, and carrying out dynamic visual information presentation according to various real-time data, and the related visual process can be realized by the existing commercial visual software.
The remote data service platform comprises a data server, a data backup server, a WEB server and an application program server, and sends alarm information to the alarm equipment through the application program server. The alarm device comprises a mobile terminal and a fixed electronic device which are connected with the application server, and the application server sends alarm information to the alarm device in a short message and e-mail mode. The application program server can also be connected with network printing equipment, and various monitoring data information received by the remote data service platform is printed and output as paper files. The application program server can also be connected with a large-screen display device, so that the early warning center can conveniently master dynamic change information of the monitored data in real time.
The system also comprises a third-party monitoring platform, and the remote data service platform sends monitoring data to the third-party monitoring platform through a network firewall. The third-party monitoring platform is convenient for the superior department of charge to master monitoring information in real time and guide on-site safety monitoring in real time.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a multi-functional danger gas monitoring devices, includes the base and sets up the body of rod on the base, its characterized in that: the top end of the rod body is provided with a GNSS receiver and an air speed and wind direction sensor, and the base is provided with a microseismic sensor which is integrated with the monitoring device;
a photovoltaic cross rod is arranged at the upper part of the rod body, and a photovoltaic plate is arranged on the photovoltaic cross rod; the upper part of the rod body is provided with a laser methane sensor, and the lower part of the rod body is provided with an integrated gas sensor;
the photovoltaic module comprises a rod body, a photovoltaic panel, a data sampling module, a controller, a data transmission module and an MPPT controller, wherein the rod body is also provided with a control box and an alarm device, and the MPPT controller is connected with the photovoltaic panel;
the wind speed and direction sensor, the microseismic sensor, the laser methane sensor, the integrated gas sensor and the MPPT controller are connected with the controller through the data sampling module; the GNSS receiver, the alarm device and the data transmission module are respectively connected with the controller; and the controller judges whether to send an alarm signal to the alarm device according to whether various monitoring data trigger a threshold value.
2. The apparatus of claim 1, wherein: the control box is provided with a door sensor, and the door sensor is connected with the controller through the data sampling module.
3. The apparatus of claim 1, wherein: the rod body is also provided with a temperature and humidity sensor, and the temperature and humidity sensor is connected with the controller through the data sampling module.
4. The apparatus of claim 1, wherein: the GNSS receiver supports GPS, Beidou and GLONASS multimode satellite navigation systems.
5. The apparatus of claim 1, wherein: the rod body or the cross rod is further provided with a video monitoring device, and the video monitoring device is connected with the controller to transmit video signals.
6. The apparatus of claim 1, wherein: the photovoltaic panel is connected with the fixed support through a semicircular mounting plate; the semicircular mounting plate comprises a fixing hole near the circle center and angle adjusting holes distributed in a fan shape on the inner side of the circumference, and the angle adjusting holes are hole positions separated from each other or integral fan-shaped strip-shaped holes.
7. The apparatus of claim 1, wherein: the rod body base is provided with a waist circular hole along the circumferential direction on the circumference taking the center of the base as the circle center.
8. The utility model provides a multi-functional dangerous chemical gas monitoring and early warning system which characterized in that: the monitoring device comprises a GNSS reference station and a plurality of monitoring devices according to any one of claims 1 to 7, wherein the monitoring devices are arranged in a monitoring area, the monitoring devices are connected with a remote data service platform through a wireless communication network, and the remote data service platform is used for storing, analyzing and early warning various monitoring data transmitted by the monitoring devices and sending the warning information to warning equipment and the monitoring devices;
the remote data service platform comprises a data server, a data backup server, a WEB server and an application program server, and sends alarm information to the alarm equipment through the application program server.
9. The system of claim 8, wherein: the system also comprises a third-party monitoring platform, and the remote data service platform sends monitoring data to the third-party monitoring platform through a network firewall.
CN201921036554.1U 2019-07-04 2019-07-04 Multifunctional hazardous gas monitoring device and monitoring and early warning system Active CN210465699U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110261878A (en) * 2019-07-04 2019-09-20 四川省安全科学技术研究院 A kind of multi-functional danger gas controlling device and system of integrated GNSS and microseism information
CN112145977A (en) * 2020-09-16 2020-12-29 重庆元图位联科技有限公司 Underground pipe network gas dangerous source monitoring and early warning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110261878A (en) * 2019-07-04 2019-09-20 四川省安全科学技术研究院 A kind of multi-functional danger gas controlling device and system of integrated GNSS and microseism information
CN112145977A (en) * 2020-09-16 2020-12-29 重庆元图位联科技有限公司 Underground pipe network gas dangerous source monitoring and early warning system

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