CN108847004A - A kind of non-contact gas monitoring device based on wireless communication - Google Patents

A kind of non-contact gas monitoring device based on wireless communication Download PDF

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Publication number
CN108847004A
CN108847004A CN201810699851.8A CN201810699851A CN108847004A CN 108847004 A CN108847004 A CN 108847004A CN 201810699851 A CN201810699851 A CN 201810699851A CN 108847004 A CN108847004 A CN 108847004A
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CN
China
Prior art keywords
wireless communication
laser sensor
module
master controller
signal processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810699851.8A
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Chinese (zh)
Inventor
卢龙华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Jing Mei Graphics & Technology Co Ltd
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Hefei Jing Mei Graphics & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Jing Mei Graphics & Technology Co Ltd filed Critical Hefei Jing Mei Graphics & Technology Co Ltd
Priority to CN201810699851.8A priority Critical patent/CN108847004A/en
Publication of CN108847004A publication Critical patent/CN108847004A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16Combustible gas alarms

Abstract

The invention discloses a kind of non-contact gas monitoring device based on wireless communication, including master controller, laser sensor, signal processing module, sound and light alarm module, spacescan module and wireless communication transmissions device, the present invention is using contactless, without gas chamber, and use lossless passive mounting means, in timing detection cycle, start laser sensor and signal processing module, acquire methane concentration value in surrounding space, directly monitor gas concentration, note abnormalities alarm, it realizes under complex environment for a long time, the gas leakage of long range monitors, outside timing detection cycle, all other device is in a dormant state, reduce Overall Power Consumption, has the characteristics that low-power consumption, the longest duty cycle was up to 5 years.

Description

A kind of non-contact gas monitoring device based on wireless communication
Technical field
The invention belongs to gas leakage detection technique fields, are related to a kind of gas monitoring device, specifically a kind of based on wireless The non-contact gas monitoring device of communication.
Background technique
It is the most serious with the security risk of gas leakage in family or neighbourhood unit class management of fire safety, it is poisoned, is quick-fried Fried, fire happens occasionally.Currently used gas leakage monitoring means is chemical formula monitoring --- catalytic combustion type sensor, at This is low, but the duty cycle is short, needs periodic calibrating and replacement, and maintenance is frequent;Physically monitoring --- laser sensor is stablized, Without calibration, the duty cycle is long.
Existing monitoring technology defect:
1, the duty cycle of existing monitoring sensor is short, needs to repeat to demarcate calibration drift value, and substantially live school Standard, it is not convenient for safeguarding;
2, existing detection means have certain progressive formation using direct contact type, triggering alarm, cannot be timely Feedback;
3, existing communication pattern coverage area is small, power consumption is big, is unsuitable for remote, monitoring for a long time.
Summary of the invention
The purpose of the present invention is to provide a kind of non-contact gas monitoring device based on wireless communication realizes complex environment The gas leakage monitoring of lower long-time, long range.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of non-contact gas monitoring device based on wireless communication, including master controller, laser sensor, signal processing Module, sound and light alarm module, spacescan module and wireless communication transmissions device;
The laser sensor communicates to connect master controller by signal processing module, and the laser sensor is sent out to space Detection laser beam is sent, methane concentration in surrounding space and interference gas concentration are converted into electric signal in real time and are output to signal processing Module, the electric signal that the signal processing module exports laser sensor carry out analog-to-digital conversion, filtering and calculating, steam, Dust and other gas interference signals filter out, and output has dimension concentration value to master controller;
The sound and light alarm module and master controller communicate to connect, and transmitting device connects the master controller by wireless communication It is connected to remote monitoring platform, the master controller is analyzed, stored and transmitted to the methane concentration value of detection, if methane is dense Degree reaches upper explosion limit, the warning of starting sound and light alarm module scene, while transmitting device passes by wireless communication by alarm signal It is defeated to arrive remote monitoring platform.
Further, there is the laser sensor laser to send probe and laser pick-off probe.
Further, the wireless communication transmissions device adheres to wireless network signal base station, connect with remote monitoring platform And data interaction.
Further, the laser sensor is mounted in spacescan module, and the spacescan module connects master control Device processed, by main controller controls, start by set date motor driven laser sensor is to ambient level space 360 degree of scannings.
A kind of monitoring method of the non-contact gas monitoring device based on wireless communication, the gas monitoring device electrifying startup Afterwards, by main controller controls, in timing detection cycle, start laser sensor and signal processing module, acquire in surrounding space Methane concentration value;Outside timing detection cycle, all other device in a dormant state, reduces Overall Power Consumption;Hair in detection cycle Existing methane concentration is more than upper explosion limit value, and starting sound and light alarm module scene warns, while starting wireless communication transmissions device connection Net, to long-range monitoring transmission warning message, when detecting alarm signal, complete machine does not enter dormant state, first around real-time detection Alkane concentration, until methane concentration is reduced to upper explosion limit or less.
Beneficial effects of the present invention:A kind of non-contact gas monitoring device based on wireless communication provided by the invention, is adopted With contactless, be not necessarily to gas chamber, and use lossless passive mounting means, in timing detection cycle, starting laser sensor and Signal processing module acquires methane concentration value in surrounding space, directly monitoring gas concentration, and note abnormalities alarm, realizes multiple Under heterocycle border for a long time, the monitoring of the gas leakage of long range, outside timing detection cycle, all other device in a dormant state, Overall Power Consumption is reduced, has the characteristics that low-power consumption, the longest duty cycle was up to 5 years.
Detailed description of the invention
Present invention is further described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is system schematic of the invention.
Fig. 2 is work flow diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of non-contact gas monitoring device based on wireless communication, including main control Device, laser sensor, signal processing module, sound and light alarm module, spacescan module, wireless communication transmissions device and power supply mould Block.
Wherein, there is laser sensor laser to send probe and laser pick-off probe, and laser sensor passes through signal processing Module communicates to connect master controller, and laser sensor sends detection laser beam to space, in real time by methane concentration in surrounding space And interference gas concentration is converted to electric signal and is output to signal processing module, the electricity that signal processing module exports laser sensor Signal carries out analog-to-digital conversion, filtering and calculating, and steam, dust and other gas interference signals are filtered out, and guarantees to methane signal Detect uniqueness, output has dimension concentration value to master controller.
Sound and light alarm module and master controller communicate to connect, and transmitting device is connected to remotely master controller by wireless communication Monitor supervision platform, master controller is analyzed, stored and is transmitted to the methane concentration value of detection, if methane concentration reaches in explosion Limit, the warning of starting sound and light alarm module scene, while transmitting device is transferred to long-range monitoring by wireless communication by alarm signal Platform, wireless communication transmissions device adhere to wireless network signal base station, connect with remote monitoring platform and data interaction.
Laser sensor is mounted in spacescan module, and spacescan module connects master controller, passes through master controller Control, start by set date motor driven laser sensor is to ambient level space 360 degree of scannings.Power module is used to be other all Device provides power supply, is powered.
When the invention works, as shown in Fig. 2, after gas monitoring device electrifying startup, by main controller controls, timing detects week In phase, start laser sensor and signal processing module, acquires methane concentration value in surrounding space;Outside timing detection cycle, institute There are other devices in a dormant state, reduces Overall Power Consumption;Discovery methane concentration is more than upper explosion limit value, starting in detection cycle The warning of sound and light alarm module scene, while starting the networking of wireless communication transmissions device, to long-range monitoring transmission warning message, detection When to alarm signal, complete machine does not enter dormant state, methane concentration around real-time detection, until methane concentration is reduced in explosion Limit is following.
A kind of non-contact gas monitoring device based on wireless communication provided by the invention, use is contactless, is not necessarily to gas Room, and lossless passive mounting means is used, in timing detection cycle, start laser sensor and signal processing module, acquisition Methane concentration value in surrounding space, directly monitoring gas concentration, note abnormalities alarm, realizes long-time under complex environment, length The gas leakage of distance monitors, and outside timing detection cycle, all other device in a dormant state, reduces Overall Power Consumption, has The characteristics of low-power consumption, the longest duty cycle was up to 5 years.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.

Claims (5)

1. a kind of non-contact gas monitoring device based on wireless communication, it is characterised in that:Including master controller, laser sensing Device, signal processing module, sound and light alarm module, spacescan module and wireless communication transmissions device;
The laser sensor communicates to connect master controller by signal processing module, and the laser sensor sends to space and examines Laser beam is surveyed, methane concentration in surrounding space and interference gas concentration are converted into electric signal in real time and are output to signal processing mould Block, the signal processing module carries out analog-to-digital conversion, filtering and calculating to the electric signal that laser sensor exports, steam, powder Dirt and other gas interference signals filter out, and output has dimension concentration value to master controller;
The sound and light alarm module and master controller communicate to connect, and transmitting device is connected to the master controller by wireless communication Remote monitoring platform, the master controller is analyzed, stored and is transmitted to the methane concentration value of detection, if methane concentration reaches To upper explosion limit, start the warning of sound and light alarm module scene, while transmitting device is transferred to by wireless communication by alarm signal Remote monitoring platform.
2. a kind of non-contact gas monitoring device based on wireless communication according to claim 1, it is characterised in that:It is described There is laser sensor laser to send probe and laser pick-off probe.
3. a kind of non-contact gas monitoring device based on wireless communication according to claim 1, it is characterised in that:It is described Wireless communication transmissions device adheres to wireless network signal base station, connect with remote monitoring platform and data interaction.
4. a kind of non-contact gas monitoring device based on wireless communication according to claim 1, it is characterised in that:It is described Laser sensor is mounted in spacescan module, and the spacescan module connects master controller, by main controller controls, Start by set date motor driven laser sensor is to ambient level space 360 degree of scannings.
5. a kind of monitoring method of non-contact gas monitoring device based on wireless communication according to claim 1, special Sign is:After the gas monitoring device electrifying startup, by main controller controls, in timing detection cycle, start laser sensor And signal processing module, acquire methane concentration value in surrounding space;Outside timing detection cycle, all other device is in suspend mode shape State reduces Overall Power Consumption;Discovery methane concentration is more than upper explosion limit value in detection cycle, and starting sound and light alarm module scene is alert Show, while starting the networking of wireless communication transmissions device, to long-range monitoring transmission warning message, when detecting alarm signal, complete machine Do not enter dormant state, methane concentration around real-time detection, until methane concentration is reduced to upper explosion limit or less.
CN201810699851.8A 2018-06-29 2018-06-29 A kind of non-contact gas monitoring device based on wireless communication Pending CN108847004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810699851.8A CN108847004A (en) 2018-06-29 2018-06-29 A kind of non-contact gas monitoring device based on wireless communication

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Application Number Priority Date Filing Date Title
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CN108847004A true CN108847004A (en) 2018-11-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109360381A (en) * 2018-12-05 2019-02-19 大连兰特科技有限公司 A kind of gas transmission station combustible gas leakage laser acquisition early warning system
CN109914483A (en) * 2019-04-17 2019-06-21 北京航星网讯技术股份有限公司 Laser combustible gas monitors well lid
CN111431162A (en) * 2020-03-20 2020-07-17 重庆邮电大学 Power supply circuit system for reducing power consumption of coal mine laser methane sensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2438724A (en) * 2006-06-02 2007-12-05 Tq Environmental Plc Gas monitoring system
CN202393703U (en) * 2011-12-14 2012-08-22 河南汉威电子股份有限公司 Device for gas leakage monitoring by means of three-dimensional cradle head scanning and laser telemetering
CN202793696U (en) * 2012-10-10 2013-03-13 泉州市燃气有限公司 GPRS intelligent detection terminal based on infrared gas sensor
CN205157428U (en) * 2015-11-24 2016-04-13 安徽中科瀚海光电技术发展有限公司 Fixed scanning formula methane gas remote supervising system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2438724A (en) * 2006-06-02 2007-12-05 Tq Environmental Plc Gas monitoring system
CN202393703U (en) * 2011-12-14 2012-08-22 河南汉威电子股份有限公司 Device for gas leakage monitoring by means of three-dimensional cradle head scanning and laser telemetering
CN202793696U (en) * 2012-10-10 2013-03-13 泉州市燃气有限公司 GPRS intelligent detection terminal based on infrared gas sensor
CN205157428U (en) * 2015-11-24 2016-04-13 安徽中科瀚海光电技术发展有限公司 Fixed scanning formula methane gas remote supervising system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109360381A (en) * 2018-12-05 2019-02-19 大连兰特科技有限公司 A kind of gas transmission station combustible gas leakage laser acquisition early warning system
CN109914483A (en) * 2019-04-17 2019-06-21 北京航星网讯技术股份有限公司 Laser combustible gas monitors well lid
CN111431162A (en) * 2020-03-20 2020-07-17 重庆邮电大学 Power supply circuit system for reducing power consumption of coal mine laser methane sensor
CN111431162B (en) * 2020-03-20 2023-09-01 重庆光可巡科技有限公司 Power supply circuit system for reducing power consumption of coal mine laser methane sensor

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Application publication date: 20181120