CN110487879A - A kind of gas alarm detection device - Google Patents
A kind of gas alarm detection device Download PDFInfo
- Publication number
- CN110487879A CN110487879A CN201910835370.XA CN201910835370A CN110487879A CN 110487879 A CN110487879 A CN 110487879A CN 201910835370 A CN201910835370 A CN 201910835370A CN 110487879 A CN110487879 A CN 110487879A
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- Prior art keywords
- partition
- module
- box body
- gas
- air bag
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
Abstract
The invention discloses a kind of gas alarm detection devices, including box body, partition is fixedly connected in box body, cassette upper end, side are respectively equipped with several acoustic aperture, air hole, detection module, control module, air bag on the downside of partition, air bag two sides are equipped with through-hole, partition upper end is stated equipped with buzzer, link block, link block upper end is equipped with warning lamp, is equipped in link block and presses die block, by trigger module is equipped in die block, trigger module can carry out resetting clearing to control module.It not only may be implemented by button press to air sac pressing, gas content in test chamber is eliminated, it prevents gas from accumulating in detection module for a long time, corrodes noble metal electrode, increase the service life of device, and button moves down and can carry out linkage work to trigger module, it realizes the starting to clear circuit is resetted in control circuit board, buzzer, warning lamp is closed, the clearing of detection module is realized, total is simply exquisite, and stability is preferable.
Description
Technical field
The present invention relates to gas detection technology field more particularly to a kind of gas alarm detection devices.
Background technique
Gas detecting instrument is a kind of instrument and meter tool of gas leakage Concentration Testing, including: Portable gas physical examination
Survey instrument, hand-held gas detecting instrument, stationary gas detector, online gas detecting instrument etc..Mainly utilize gas sensor
Gaseous species present in environment are detected, gas sensor is the sensor of the composition and content for detection gas.Measurement
Principle is mainly based upon solid state electrolysis method, paramagnetic method, electro-chemical cell method, chemoluminescence method etc..However the above these types of technology is all
It is contact measurement, is easy to appear in industrial application using detection device personnel's intoxicating phenomenon, and sensing probe corrosion-vulnerable,
The service life for influencing instrument needs often calibration just to can guarantee the accurate of measurement in use.Such as in workshop
Under sulfur dioxide leakage situation, due to the toxicity of sulfur dioxide, need the detection carried out to it, in traditional technology sensing probe by
In being chronically exposed in gas to be detected, so that sensing probe receives corrosion, service life is greatly reduced.In view of the above-mentioned problems,
Need to propose a kind of gas alarm detection device.
Summary of the invention
The purpose of the present invention is to solve above-mentioned problems, and a kind of gas alarm detection device proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of gas alarm detection device, including box body are fixedly connected with partition in the box body, and the cassette upper end is set
There are several acoustic aperture, the box body side is equipped with several air holes；
The detection module for detecting sulfur dioxide is equipped on the downside of the partition, the detection module rear end is equipped with control mould
Block；
The air bag for emptying partition underside gas is equipped on the downside of the partition, the air bag two sides are equipped with through-hole；
The partition upper end is equipped with buzzer；
Middle position is equipped with the link block for the effect that is attached on the upside of the partition, and it is alert that the link block upper end is equipped with annular
Show lamp, be equipped in the link block for press air bag by die block；
Described to be equipped with the trigger module for being used for linking by die block is interior, the trigger module can reset control module
It resets.
Preferably, the detection module includes the good worry film of sulfur dioxide permeability and two electrodes, two electricity
One piece of pole is noble metal negative electrode, two another piece of the electrode big for ionization tendency of metal positive electrode.
Preferably, the control module includes single-chip microcontroller, control circuit board, power supply, the control module control buzzer,
The opening and closing of warning lamp.
Compared with prior art, the present invention has following advantages:
1, using the principle by sulfur dioxide and Precious metal oxidation output electronics by the content of sulfur dioxide in air
Percentage information is converted into electric signal, then controls buzzer, warning lamp work in workshop by single-chip microcontroller and control circuit board
Poisonous gas leakage is fed back, and realizes quickly processing, and apparatus structure is exquisite, high stability.
2, it not only may be implemented to disappear to gas content in test chamber to air sac pressing using by button press
It removes, realizes that detection gas empty in detection module, prevent the gas from accumulating in detection module for a long time, corrode noble metal electrode,
The service life of device is increased, and linkage work, realization pair can be carried out to trigger module by moving down for button
Buzzer, warning lamp are closed in the starting that clear circuit is resetted in control circuit board, and the clearing for realizing detection module resets,
Total is simply exquisite, and stability is preferable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of gas alarm detection device proposed by the present invention；
Fig. 2 is a kind of pressing modular structure schematic diagram of gas alarm detection device proposed by the present invention；
Fig. 3 is that the present invention proposes hair big figure in the part a part in Fig. 3；
Fig. 4 is a kind of work flow diagram of gas alarm detection device proposed by the present invention；
Fig. 5 is a kind of reset circuit figure of gas alarm detection device proposed by the present invention.
In figure: film, 6 electrodes, 7 control modules, 8 risers, 9 connecting holes, 10 are considered in 1 box body, 2 partitions, 3 acoustic aperture, 4 air holes, 5
Air bag, 11 through-holes, 12 buzzers, 13 link blocks, 14 warning lamps, 15 trays, 16 first springs, 17 vertical cores, 18 are by compression leg, 19 convex
It rises, 20 triggering slots, 21 sliding blocks, 22 second springs, 23 frizzens, 24 sliding slots, 25 buttons, 26 filter plates.
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.
Referring to figs. 1 to Fig. 3, a kind of gas alarm detection device, including box body 1, box body 1 are that upper end is round and smooth cambered surface knot
Structure, 1 lower end of box body are cylinder, and partition 2 is fixedly connected in box body 1, and 1 upper end of box body is equipped with several acoustic aperture 3,1 side of box body
Equipped with several air holes 4；
The detection module for detecting sulfur dioxide is equipped on the downside of partition 2, detection module rear end is equipped with control module；
The air bag 10 for emptying partition underside gas is equipped on the downside of partition 2,10 two sides of air bag are equipped with through-hole 11；
2 upper end of partition is equipped with buzzer 12；
2 upside middle position of partition is equipped with the link block 13 for the effect that is attached, and 13 upper end of link block is equipped with annular warning
Lamp 14, warning lamp 14 is identical as link block cross-sectional shape, be equipped in link block 13 for press air bag 10 by die block；
By the trigger module being equipped in die block for linkage, trigger module can carry out resetting clearing to control module；
Referring to Fig.1, detection module includes the good worry film 5 of sulfur dioxide permeability and two electrodes 6, two electrodes 6 one
Block is noble metal negative electrode, and negative electrode metal material is selected as silver, two 6 another pieces of electrode big for ionization tendency of metal positive electricity
Pole, positive electrode metal are selected as aluminium；
Control module 7 includes single-chip microcontroller, control circuit board, power supply, and control module 7 controls buzzer 12, warning lamp 14
Opening and closing；
It is fixedly connected under partition 2 there are two film 5 is considered, has been respectively fixedly connected with silvery metal negative electrode 6 on rear side of two worry films 5
With aluminum metal positive electrode 6, and the cuboid of through-hole is equipped among control module 7,7 through hole of control module and two risers 8
It is fixedly connected, 8 upper and lower end of riser is fixedly connected with partition 2,1 bottom wall of box body respectively, and riser 8 is equipped with connecting hole 9, in through-hole
Meta position has installed air bag 10, and 10 lower wall of air bag is fixedly connected with 5 bottom wall of box body；
It referring to Fig.1 with 3, presses die block and includes tray 15, the first spring 16, vertical core 17, presses compression leg 18 and button 25, connect
Block 13 and 14 middle position of annular warning lamp slidably connect button 25, and 25 lower end of button, which is fixedly connected with, presses compression leg 18, pressing
18 lower end of column is fixedly connected with top on air bag 10, and button 25 is pressed equipped with vertical core 17 in compression leg 18, and vertical core 17 is on air bag 10
Top, vertical core 17 are connected to the outside of box body 1 with inside air bag 10, and 17 upper end of vertical core is equipped with arc groove, be easy to use personnel's thumb with
The fitting of button 25 is equipped with tray 15 on the downside of button 25, and outer wall tray 15 is fixedly connected with 13 inner wall of link block, 15 inner wall of tray
It is slidably connected with by 18 outer wall of compression leg, is fixedly connected between tray 15 and button 25 by two the first springs 16；Link block 13
It is fixedly connected with warning lamp 14 with 1 upper end of box body；
Referring to Fig. 4, trigger module includes that protrusion 19, triggering slot 20, sliding block 21, second spring 22 and frizzen 23 form,
It is equipped with protrusion 19 on the left of squeezing rod 18, triggering slot 20 is equipped in tray 15, triggers middle position in slot 20 and is equipped with sliding block 21, sliding block
21 upper and lower sides pass through second spring 22 respectively and connect with lower wall on triggering slot 20, and sliding block 21 is equipped with frizzen 23, frizzen 23
One end extends to triggering slot 20 with by 19 mating reactions raised on compression leg 18, and 23 other end of frizzen extends to control through link block 13
It in module 7, and is connect with the reset circuit contact position of control module 7, link block 13 is equipped with sliding slot 24, frizzen 23 and cunning
Slot 24 is slidably connected.
It is worth noting that, being equipped with filter plate 26 on the through-hole 11 of vertical core 17 and air bag 10, filter plate 26 can prevent two
Sulfur oxide gas passes through, and prevents detection gas from there into detection module 7.
Referring to Fig. 5, its working principle is that hand push button resets need that high level artificially is added on the RESET input RST.
The method generally used is the indirect button at the end RST and positive supply VCC.When artificially pressing lower button, then+the 5V of VCC
Level will be applied directly to the end RST.The circuit that hand push button resets is as shown.Since the movement of people can also be such that button keeps fastly again
It connects and reaches several ms, so, it is fully able to meet the time requirement resetted.In the design, use frizzen 23 as touching
Transmitting apparatus, button is resetted in single-chip microcontroller by active force in circuit when side-to-side movement under the action of frizzen 23 is in protrusion 19
Circuit work, so that monolithic processor resetting, buzzer 13 and warning lamp 14 are closed, and control module 7 and detection module are reset,
Again it is detected.
The present invention is placed under environment to be detected in use, will test equipment, and gaseous sulfur dioxide to be detected passes through box
Air hole on 1 side wall of body enters 2 lower wall of partition, is contacted by considering film 5 with the silver negative electrode 6 in left side, redox occurs
Reaction generates free electron, and electronics flows to anode by ammeter, and lead metal is oxidized there, so that examining in control module 7
The movement of free electron in detection module is measured, so that single-chip microcontroller works in control module 7, so that 12 He of buzzer
Annular warning lamp 14 works, and buzzer 12 pipes, warning lamp 14 flashes, and reminds staff that sulfur dioxide gas occurs and lets out
Leakage, staff check and repair；
After Measuring error, staff's push button 25 to move down by compression leg 18, air bag 10 is compressed, due to thumb
Finger is blocked 17 upper end of vertical core on button, and filter plate 26 prevents gas from entering in air bag 10, and air bag 10 is due to receiving
It squeezes volume to become smaller, gas is discharged by connecting hole 9 on riser 8 for gas in air bag 10, since connecting hole 9 is smaller so that gas
Flow velocity becomes faster, and the sulfur dioxide gas that will test in module 7 is discharged from air hole 4, prevents gas accumulation for a long time from causing expensive
Metal negative electrode receives erosion, due to the effect of the first spring 16 after push button 18, resets button 18；
And when moving down by compression leg 18, touch trigger bar 23 is moved down therewith by protrusion 19 on compression leg 18, so that with triggering
The sliding block that bar 23 connects moves in triggering slot 20 under the action of second spring 22, and frizzen 23 is in link block 13
Sliding in sliding slot 24,23 other end of frizzen are touched with the button in reset circuit in control module 7, are made multiple in control module 7
Position circuit start so that buzzer 12 and warning lamp 14 are closed, and repeatedly push button 25 can realize the safety disc row to gas
Out.
Description before offer be can practice to make any person skilled in the art it is described herein various
Aspect.Various modifications in terms of these will be easy to be understood by those skilled, and general as defined in this article
Suitable principle can be applied to other aspects.Therefore, claim be not intended to be limited to herein shown in aspect, but answer
The full scope consistent with linguistic claim is awarded, wherein removing non-specifically sound to the citation of the singular of element
It is bright, it is otherwise not intended to indicate " one and only one ", but " one or more ".
Claims (3)
1. a kind of gas alarm detection device, including box body (1), the box body (1) is interior to be fixedly connected with partition (2), the box
Body (1) upper end is equipped with several acoustic aperture (3), and box body (1) side is equipped with several air holes (4), it is characterised in that；
The detection module for detecting sulfur dioxide is equipped on the downside of the partition (2), the detection module rear end is equipped with control mould
Block；
The air bag (10) for emptying partition underside gas is equipped on the downside of the partition (2), air bag (10) two sides are equipped with logical
Hole (11)；
Partition (2) upper end is equipped with buzzer (12)；
Middle position is equipped with the link block (13) for the effect that is attached on the upside of the partition (2), and link block (13) upper end is set
Have annular warning lamp (14), be equipped in the link block (13) for press air bag (10) by die block；
Described to be equipped with the trigger module for being used for linking by die block is interior, the trigger module can carry out control module to reset clear
Zero.
2. a kind of gas alarm detection device according to claim 1, which is characterized in that the detection module includes dioxy
Change the good worry film (5) of sulphur permeability and two electrodes (6), two (6) one pieces of the electrode are noble metal negative electrode, two institutes
State another piece of electrode (6) big for ionization tendency of metal positive electrode.
3. a kind of gas alarm detection device according to claim 1, which is characterized in that the control module (7) includes
Single-chip microcontroller, control circuit board, power supply, the opening and closing of control module (7) control buzzer (12), warning lamp (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835370.XA CN110487879B (en) | 2019-09-05 | 2019-09-05 | Gas alarm detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835370.XA CN110487879B (en) | 2019-09-05 | 2019-09-05 | Gas alarm detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110487879A true CN110487879A (en) | 2019-11-22 |
| CN110487879B CN110487879B (en) | 2022-06-21 |
Family
ID=68556537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835370.XA Active CN110487879B (en) | 2019-09-05 | 2019-09-05 | Gas alarm detection device |
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| Country | Link |
|---|---|
| CN (1) | CN110487879B (en) |
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| CN110197571A (en) * | 2019-06-19 | 2019-09-03 | 电子科技大学 | A kind of toxic air alarm device based on gas sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009104349A (en) * | 2007-10-23 | 2009-05-14 | Nohmi Bosai Ltd | Fire alarm |
| US20110187543A1 (en) * | 2010-02-04 | 2011-08-04 | Linda Russo | Home safety 911 system |
| CN101958032A (en) * | 2010-09-27 | 2011-01-26 | 江苏大学 | Wireless sensor smoke detection device for fire protection and detection method thereof |
| WO2013012382A1 (en) * | 2011-07-20 | 2013-01-24 | Logico2 Online Sarl | Device and system for gas leakage detection and alarm |
| EP2871620A1 (en) * | 2013-11-07 | 2015-05-13 | Labor Strauss Sicherungsanlagenbau Ges. m. b. H | Smoke detection assembly |
| US20170045472A1 (en) * | 2014-04-22 | 2017-02-16 | Sprue Safety Products Ltd. | Electrochemical cell |
| CN204303115U (en) * | 2014-12-03 | 2015-04-29 | 张维国 | A kind of novel smoke alarm |
| CN204856802U (en) * | 2015-08-07 | 2015-12-09 | 国网山东安丘市供电公司 | Cleaning type for conflagration cigarette feel detector |
| CN106441746A (en) * | 2016-09-06 | 2017-02-22 | 国网山东省电力公司潍坊供电公司 | Gas leakage speed detector specially used for GIS equipment |
| CN206877485U (en) * | 2017-07-06 | 2018-01-12 | 天津金蔷薇数码科技有限公司 | Smoke detector |
| CN208110793U (en) * | 2017-12-27 | 2018-11-16 | 深圳市乐鑫宝科技开发有限公司 | Convenient for the smoke alarm of control |
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| CN110197571A (en) * | 2019-06-19 | 2019-09-03 | 电子科技大学 | A kind of toxic air alarm device based on gas sensor |
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| Publication number | Publication date |
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| CN110487879B (en) | 2022-06-21 |
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Effective date of registration: 20220531 Address after: No. 6, Yiyuan Road, Helan Industrial Park, Yinchuan City, Ningxia Hui Autonomous Region 750200 Applicant after: NINGXIA NUOKEYINFENG INTELLIGENT TECHNOLOGY CO.,LTD. Address before: Room 2223, 5 / F, building 1, No.9, science Avenue, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Applicant before: Zhengzhou Weiner Experimental Equipment Co.,Ltd. |
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