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 PDFInfo
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- 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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- wireless communication
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- master controller
- signal processing
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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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
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.
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 |
|---|---|---|---|
| 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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| CN108847004A true CN108847004A (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810699851.8A Pending CN108847004A (en) | 2018-06-29 | 2018-06-29 | A kind of non-contact gas monitoring device based on wireless communication |
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Cited By (3)
| 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 |
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| 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 |
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2018
- 2018-06-29 CN CN201810699851.8A patent/CN108847004A/en active Pending
Patent Citations (4)
| 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)
| 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 |