CN219958340U - Toxic and harmful gas monitoring system for multiple limited spaces in factory - Google Patents

Toxic and harmful gas monitoring system for multiple limited spaces in factory Download PDF

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Publication number
CN219958340U
CN219958340U CN202320487421.6U CN202320487421U CN219958340U CN 219958340 U CN219958340 U CN 219958340U CN 202320487421 U CN202320487421 U CN 202320487421U CN 219958340 U CN219958340 U CN 219958340U
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China
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module
controller
alarm
toxic
monitoring
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CN202320487421.6U
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Inventor
佟宇轩
周广利
刘飘
张皓
袁帅
赵剑
侯兴鑫
张骞文
王健
韩明健
丁建博
祁海鹏
艾云涛
王相平
李志强
贾东升
许冬亮
王广永
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Huaneng Tianjin Coal Gasification Power Generation Co Ltd
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Huaneng Tianjin Coal Gasification Power Generation Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model belongs to the technical field of limited space operation, and particularly relates to a system for monitoring toxic and harmful gases in multiple limited spaces in a factory. The system comprises a plurality of monitoring units and an upper computer which is in communication connection with the monitoring units; the monitoring unit comprises a gas detection module positioned in a limited space; the monitoring unit also comprises a field alarm module arranged in the limited space; the monitoring unit further comprises a controller, and the gas detection module and the on-site alarm module are both connected with the controller; the monitoring unit also comprises a communication module, and the communication module is connected with the controller and the upper computer. The utility model can continuously monitor, remotely and intuitively observe the concentration condition of toxic and harmful gases in each limited space, can give an alarm in time and ensures the safety of operators in the limited space.

Description

Toxic and harmful gas monitoring system for multiple limited spaces in factory
Technical Field
The utility model belongs to the technical field of limited space operation, and particularly relates to a system for monitoring toxic and harmful gases in multiple limited spaces in a factory.
Background
The limited space in the factory is more, such as furnaces, tower kettles, tanks, bins, pools, tank cars, pipelines, flues and the like in various equipment of the factory, and the gas in the limited space often contains toxicity and is extremely dangerous when leaked. The limited space operation is one of the important matters of the safety production work of the power enterprises, belongs to high-risk operation, the importance of the safety operation environment of the constructors of the limited space operation does not reach the required height, the assessment of the environment safety of the limited space during on-site operation is very deficient, and if the operation is improper or the protection is improper, casualty accidents can be caused. At present, no reliable and visual system is available in a factory area, which can monitor a plurality of limited spaces, and before workers construct, whether toxic and harmful gases exist in the spaces can not be accurately mastered, so that the safety of the workers can not be well ensured.
Disclosure of Invention
Aiming at the technical problem that the safety of operators cannot be guaranteed in a limited space of a factory in the prior art, the utility model provides a multi-limited-space toxic and harmful gas monitoring system of the factory, which can continuously monitor, remotely and intuitively observe the concentration condition of toxic and harmful gases in each limited space, can give an alarm in time and ensures the safety of the operators in the limited space.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
a factory multi-limited space toxic and harmful gas monitoring system comprises a plurality of monitoring units and an upper computer which is in communication connection with the monitoring units; the monitoring unit comprises a gas detection module positioned in a limited space; the monitoring unit also comprises a field alarm module arranged in the limited space; the monitoring unit further comprises a controller, and the gas detection module and the on-site alarm module are both connected with the controller; the monitoring unit also comprises a communication module, and the communication module is connected with the controller and the upper computer.
Further, the alarm module comprises a plurality of alarm devices, and the alarm devices are connected with the controller.
Further, the alarm device comprises an audible and visual alarm and a loudspeaker.
Further, the monitoring unit further comprises a display device, and the display device is connected with the controller through the communication module.
Further, the gas detection module comprises a gas detector, and the output ends of the gas detector are connected with the input end of the controller.
Further, the monitoring unit further comprises a power supply module, and the power supply module is connected with the controller, the gas detection module and the on-site alarm module to supply power to the controller, the gas detection module and the on-site alarm module.
Further, the controller, the communication module and the power supply module are all arranged in an explosion-proof control box in the limited space.
Further, the monitoring unit further comprises a fire protection module, wherein the fire protection module comprises a plurality of fire protection devices, and the fire protection devices are connected with the controller.
Further, the system also comprises a mobile alarm unit, wherein the mobile alarm unit comprises a plurality of mobile alarm devices, and the mobile alarm devices are in communication connection with the upper computer through wireless communication.
The utility model has the following advantages and beneficial effects:
the gas detection module through the monitoring unit can continuously monitor the toxic and harmful gas in the limited space, the concentration value of the toxic and harmful gas detected by the gas detection module is transmitted to the upper computer through the controller and the communication module, the concentration condition of the toxic and harmful gas in each limited space can be observed remotely and intuitively through the upper computer, and the alarm module can alarm in time when the concentration exceeds a certain value, so that the safety of operation personnel in the limited space is ensured, the limited space operation in a factory is safer, casualty accidents are reduced, the operation of continuously checking the harmful gas in the space by manpower inspection is reduced, manpower is saved, and trouble is reduced.
Drawings
FIG. 1 is an overall frame diagram of a toxic and harmful gas monitoring system provided by the utility model;
fig. 2 is a schematic flow chart of the toxic and harmful gas monitoring system provided by the utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1 and 2, the system for monitoring toxic and harmful gases in multiple limited spaces of a factory area comprises a plurality of monitoring units and an upper computer in communication connection with the monitoring units, wherein the plurality of monitoring units respectively monitor the plurality of limited spaces in the factory area, such as a plurality of underground pits and the like, and the monitoring data are transmitted to the upper computer in a concentrated manner for concentrated observation.
The monitoring unit is used for monitoring the concentration of toxic and harmful gases in the limited space, and comprises a gas detection module positioned in the limited space, and is used for monitoring gases such as CO, H2S, NH3, CO2 and O2 in real time, or additionally detecting other gases according to the requirements of working conditions, continuously transmitting the monitored gas concentration information to a controller for monitoring whether the concentration of the toxic and harmful gases exceeds a standard or whether the concentration of oxygen is too low, and the like, and is generally arranged at a part which is easy to gather the toxic and harmful gases in the limited space in a factory.
The monitoring unit also comprises a field alarm module arranged in the limited space, and the alarm module is started after receiving an alarm signal from a controller described below.
The monitoring unit also comprises a controller, and the controller is connected with the gas detection modules and the on-site alarm modules; after receiving the gas concentration signal from the gas detection module, the controller compares the gas concentration signal with a preset threshold value signal, controls alarm equipment to warn if the gas concentration signal exceeds the preset threshold value, and simultaneously communicates and transmits data to a host computer and display equipment through the signal transmission module for display, wherein the preset threshold value can be set by controlling the controller through the host computer or by setting through the display equipment.
The monitoring unit also comprises a communication module, wherein the communication module is connected with the controller and the upper computer, and signals transmitted by the communication module comprise various gas concentration analog quantities output by the controller in a factory, signals communicated with the upper computer, switching value alarm signals and dangerous gas alarm signals output by a fire fighting system;
the alarm module comprises a plurality of alarm devices, and the alarm devices are connected with the controller. The alarm device comprises an audible and visual alarm and a loudspeaker, wherein the audible and visual alarm and the loudspeaker are connected with the controller, and the controller controls the starting and stopping of the alarm device. And the loudspeaker can broadcast the gas alarm information of the current controller in a voice way.
The monitoring unit further comprises a display device, the display device is connected with the controller through the communication module, the display device is arranged beside each limited space and used for displaying the gas concentration information in the nearest dotted space on site, the monitoring unit is convenient for personnel to monitor intuitively, and the display device has a programmable function and can edit and reset the preset threshold value of the controller according to the display device.
The gas detection module comprises a gas detector, and the output ends of the gas detector are connected with the input end of the controller.
The monitoring unit also comprises a power supply module, wherein the power supply module is connected with the controller, the gas detection module and the on-site alarm module to supply power to the controller, and is used for supplying power to other modules needing power in the system, such as display equipment, a fire-fighting module and the like. The power supply module comprises a 24VDC storage battery or a 22VAC/50Hz mains supply switching power supply.
The controller, the communication module and the power supply module are all arranged in the explosion-proof control box in the limited space, toxic and harmful gas can be exploded carelessly, the explosion-proof control box can also protect internal devices, the service life of the internal devices in the limited space can be prolonged, equipment in the limited space can also be directly replaced by explosion-proof type gas detectors, but the cost can be increased, and the gas detectors can be replaced by the explosion-proof type gas detectors or not according to the needs.
The monitoring unit also comprises a fire-fighting module, the fire-fighting module comprises a plurality of fire-fighting equipment and the fire-fighting equipment is connected with the controller, the fire-fighting module is started after receiving a dangerous gas alarm signal from the controller, and the gas in the limited space can be exhausted in a fan mode or other modes capable of processing harmful gas.
The mobile alarm unit comprises a plurality of mobile alarm devices, and the mobile alarm devices are in communication connection with the upper computer through wireless communication. The mobile alarm device can be a device which is specially provided with a display screen and can display alarm information or a device which is provided with a loudspeaker and can broadcast early warning information, or can be a device which directly uses a mobile terminal, for example, a corresponding program is installed on a mobile phone to realize the function of mobile alarm. The mobile alarm device, the upper computer and the display device can display controller configuration information, gas monitoring information, gas concentration alarm information, equipment fault information, alarm records and the like, and perform corresponding configuration operation. The wireless communication may use GPRS, wi Fi, loRa, bluetooth, etc., the controller may be any controller with data receiving, transmitting, programmable capabilities, in this embodiment, a PLC controller may be used, and the upper computer may be a DCS system of the present province in a factory area, which has functions of data display, data storage, data processing, etc.
The working principle of the utility model is as follows: the method comprises the steps that a toxic and harmful gas detector is arranged at a position, in a limited space, where toxic and harmful gases are easy to gather, of the toxic and harmful gas detector, toxic and harmful gas monitoring information is collected in real time, the gas detector monitors the content of each gas in the space in real time, monitoring data are transmitted to a controller, the controller transmits the data to an upper computer through a signal transmission module to be displayed in a centralized mode, display equipment displays the data on site, when the concentration of the toxic and harmful gas exceeds an allowable value or the oxygen content is too low, the controller immediately sends an alarm signal to alarm, sends the alarm information to a DCS system, sends out an alarm signal for exceeding the standard of the toxic gas to a fire module to automatically alarm and fire, and starts an alarm device in the area to warn personnel not to enter or remind the personnel to evacuate as soon as possible.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The system for monitoring the toxic and harmful gases in a plurality of limited spaces in a factory is characterized by comprising a plurality of monitoring units and an upper computer which is in communication connection with the monitoring units;
the monitoring unit comprises a gas detection module positioned in a limited space;
the monitoring unit also comprises a field alarm module arranged in the limited space;
the monitoring unit further comprises a controller, and the gas detection module and the on-site alarm module are both connected with the controller;
the monitoring unit also comprises a communication module, and the communication module is connected with the controller and the upper computer.
2. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the alarm module comprises a plurality of alarm devices, and the alarm devices are connected with the controller.
3. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 2, wherein: the alarm device comprises an audible and visual alarm and a loudspeaker.
4. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the monitoring unit further comprises a display device, and the display device is connected with the controller through the communication module.
5. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the gas detection module comprises a gas detector, and the output ends of the gas detector are connected with the input end of the controller.
6. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the monitoring unit further comprises a power supply module, and the power supply module is connected with the controller, the gas detection module and the on-site alarm module to supply power to the controller, the gas detection module and the on-site alarm module.
7. A factory floor multiple confined space toxic and harmful gas monitoring system according to claim 5, wherein: the controller, the communication module and the power supply module are all arranged in the explosion-proof control box in the limited space.
8. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the monitoring unit further comprises a fire-fighting module, wherein the fire-fighting module comprises a plurality of fire-fighting equipment, and the fire-fighting equipment is connected with the controller.
9. The factory floor multiple confined space toxic and harmful gas monitoring system according to claim 1, wherein: the mobile alarm unit comprises a plurality of mobile alarm devices, and the mobile alarm devices are in communication connection with the upper computer through wireless communication.
CN202320487421.6U 2023-03-14 2023-03-14 Toxic and harmful gas monitoring system for multiple limited spaces in factory Active CN219958340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320487421.6U CN219958340U (en) 2023-03-14 2023-03-14 Toxic and harmful gas monitoring system for multiple limited spaces in factory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320487421.6U CN219958340U (en) 2023-03-14 2023-03-14 Toxic and harmful gas monitoring system for multiple limited spaces in factory

Publications (1)

Publication Number Publication Date
CN219958340U true CN219958340U (en) 2023-11-03

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ID=88548434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320487421.6U Active CN219958340U (en) 2023-03-14 2023-03-14 Toxic and harmful gas monitoring system for multiple limited spaces in factory

Country Status (1)

Country Link
CN (1) CN219958340U (en)

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