CN106769266A - Active suction-type flammable explosive gas detection means air channel structure - Google Patents
Active suction-type flammable explosive gas detection means air channel structure Download PDFInfo
- Publication number
- CN106769266A CN106769266A CN201611141974.7A CN201611141974A CN106769266A CN 106769266 A CN106769266 A CN 106769266A CN 201611141974 A CN201611141974 A CN 201611141974A CN 106769266 A CN106769266 A CN 106769266A
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- bellows
- suction
- detection means
- gas detection
- explosive gas
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 239000002360 explosive Substances 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to gas detection servicing unit field, and in particular to a kind of active suction-type flammable explosive gas detection means air channel structure, including suction mechanism and bellows, also including flexible pipe and switching mechanism；The suction mechanism is rotatably connected on the bellows top by jointed shaft；The flexible pipe is located between the suction mechanism and the bellows；The bellows are the vertical cabinet structure of inner hollow；An air-flow buffer structure is additionally provided with the bellows.Simple structure of the present invention, using effect is good, the need for can meeting quick flammable explosive gas detection means, stabilization, normal detection on a large scale, can manually adjust the angle of detection as needed in detection.
Description
Technical field
The present invention relates to gas detection servicing unit field, and in particular to a kind of active suction-type flammable explosive gas detection
Device air channel structure.
Background technology
Prevent and reduce natural disasters increasingly urgent to the demand of flammable explosive gas detection, such as, in public safety applications, bus
The detection of carrying inflammable and explosive dangerous goods, current or blank, wherein main cause is that flow of the people is big on bus, it is therefore desirable to
Quickly, gas is collected on a large scale, is then detected.
Air channel structure is a kind of guide structure for guiding air-flow to enter in detection means, and the quality of air channel structure is directly affected
To follow-up Detection results.
The all no Duct design of the instrument and meter of traditional detection inflammable and explosive dangerous goods, completely by flammable explosive gas freedom
Probe is diffused into, therefore produces very big measurement delay, also, device is used in open occasion, and slow diffusion can make inflammable
Explosion hazard gases molecule seriously scatters and disappears, and concentration lowers and is more difficult to detection quickly；And traditional air channel can not adjust the angle of detection
Degree, is often adjusted when adjustment angle is needed, it is necessary to move whole device, wastes time and energy.
The content of the invention
In view of the shortcomings of the prior art, the present invention discloses a kind of active suction-type flammable explosive gas detection means air channel knot
Structure.
To realize object above, the present invention is achieved by the following technical programs：
A kind of active suction-type flammable explosive gas detection means air channel structure, including suction mechanism and bellows, also including flexible pipe
And switching mechanism；The suction mechanism is rotatably connected on the bellows top by jointed shaft；The flexible pipe is located at the air-breathing
Between mechanism and the bellows；The bellows are the vertical cabinet structure of inner hollow；An air-flow is additionally provided with the bellows
Buffer structure.
Preferably, the suction mechanism includes casing, fan shroud and suction fan；The box house is hollow；The case
There is an air inlet on the upper surface of body；The fan shroud is arranged in the air inlet；The suction fan is arranged on institute
State in fan shroud；The casing right side is connected by the flexible pipe with the bellows.
Preferably, the switching mechanism includes screw mandrel, screw, connecting rod, fix bar, sliding sleeve, symmetrical above and below located at the wind
Case front end face upper mounted plate and the vertically symmetrical guide rod between the fixed plate；The leading screw passes through the bearing company of rotation vertically
It is connected between the fixed plate；The screw is arranged on the leading screw；Described fix bar one end is fixedly connected with the screw mandrel,
The other end is fixedly connected with the sliding sleeve；The sliding sleeve is sheathed on the guide rod；Described connecting rod one end is fixedly connected on described
Above sliding sleeve, the other end is hinged on the suction mechanism；The bottom of the leading screw is also provided with a turning handle.
Preferably, the air-flow buffer mechanism is included located at the bellows or so two several stomatas on end face top；
Baffle plate of the level on the bellows front end face inwall；The guide vanes on the bellows rear end face inwall are inclined, and
The guide vanes are located at the lower section of the baffle plate.
Preferably, the left side bottom of the bellows is provided with the air outlet of shutter；On the rear end face of the bellows
With an opening；A chamber door is hinged with the opening.
The present invention discloses a kind of active suction-type flammable explosive gas detection means air channel structure, and simple structure uses effect
It is really good, can quickly absorb gas on a large scale；Air-flow buffer mechanism can play a part of mixed airflow and speed stabilizing；Simultaneously
Switching mechanism can as needed adjust the angle of air-breathing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is sectional view of the invention；
Fig. 3 is the structural representation of bellows rear end face of the invention.
In figure：1st, bellows；201st, casing；202nd, fan shroud；203rd, suction fan；3rd, flexible pipe；4th, jointed shaft；501st, it is fixed
Plate；502nd, guide rod；503rd, sliding sleeve；504th, screw；505th, leading screw；506th, connecting rod；507th, fix bar；508th, bearing；509th, turning handle；
601st, stomata；602nd, baffle plate；603rd, guide vanes；7th, air outlet；8th, chamber door.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in Figure 1 to Figure 3, a kind of active suction-type flammable explosive gas detection means air channel described in the embodiment of the present invention
Structure, including suction mechanism and bellows 1, also including flexible pipe 3 and switching mechanism；Suction mechanism is rotatably connected on by jointed shaft 4
The top of bellows 1；Flexible pipe 3 is located between suction mechanism and bellows 1；Bellows 1 are the vertical cabinet structure of inner hollow；In bellows 1
It is additionally provided with an air-flow buffer structure.
Suction mechanism includes casing 201, fan shroud 202 and suction fan 203；The inner hollow of casing 201；Casing 201
There is an air inlet on upper surface；Fan shroud 202 is arranged in air inlet；Suction fan 203 is arranged in fan shroud 202；
The right side of casing 201 is connected by flexible pipe 3 with bellows 1.Fan shroud 202 can protect blower fan.
Switching mechanism includes screw mandrel, screw 504, connecting rod 506, fix bar 507, sliding sleeve 503, symmetrical above and below located at bellows 1
Front end face upper mounted plate 501 and the vertically symmetrical guide rod 502 between fixed plate 501；Leading screw 505 is vertical by bearing 508
It is rotatably connected between fixed plate 501；Screw 504 is arranged on leading screw 505；The one end of fix bar 507 is fixedly connected with screw mandrel, separately
One end is fixedly connected with sliding sleeve 503；Sliding sleeve 503 is sheathed on guide rod 502；The one end of connecting rod 506 is fixedly connected on sliding sleeve 503
Face, the other end is hinged on suction mechanism；The bottom of leading screw 505 is also provided with a turning handle 509.
Air-flow buffer mechanism includes being located at 1 or so two several stomatas 601 on end face top of bellows；Level is located at bellows
Baffle plate 602 on 1 front end face inwall；Incline the guide vanes 603 on the rear end face inwall of bellows 1, and guide vanes 603
In the lower section of baffle plate 602.
The left side bottom of bellows 1 is provided with the air outlet 7 of shutter；There is an opening on the rear end face of bellows 1；
A chamber door 8 is hinged with opening.The air outlet 7 of shutter and the setting purpose of chamber door 8 are to be easy to the later stage to device
Inside is cleared up and is safeguarded.
Operation principle：After casing 201 is moved into measuring point to be checked, detection means is put well in bellows 1；Then as needed
Adjust the angle of switching mechanism；Concrete operations are：Turning handle 509 is rotated, drives screw 504 to be moved up and down on leading screw 505, and then
Sliding sleeve 503 is driven to move up and down；Sliding sleeve 503 continues drivening rod 506 and moves up and down, so as to complete the angular turn of casing 201.
After being turned to proper angle, suction fan 203 is opened, target area air is pumped into bellows 1；Air enters the He of baffle plate 602
When between stomata 601, stomata 601 and baffle plate 602 make air-flow molecule circle round, so that baffle plate 602 and stomata 601 constitute an air-flow
Buffering area, herein, flammable explosive gas molecule is fully stirred evenly, while controlling suction airflow speed；Gas molecule after stirring evenly
Enter the bottom of bellows 1 along guide vanes 603, so that the gas that detection means detection enters.Meanwhile, guide vanes 603 and gear
This of plate 602 is staggeredly arranged, and liquid can be prevented to be splashed into bellows 1, so as to damage detection means.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (5)
1. a kind of active suction-type flammable explosive gas detection means air channel structure, including suction mechanism and bellows, its feature exist
In：Also include flexible pipe and switching mechanism；The suction mechanism is rotatably connected on the bellows top by jointed shaft；The flexible pipe
Between the suction mechanism and the bellows；The bellows are the vertical cabinet structure of inner hollow；In the bellows also
It is provided with an air-flow buffer structure.
2. active suction-type flammable explosive gas detection means air channel structure according to claim 1, it is characterised in that：Institute
Stating suction mechanism includes casing, fan shroud and suction fan；The box house is hollow；Have one on the upper surface of the casing
Individual air inlet；The fan shroud is arranged in the air inlet；The suction fan is arranged in the fan shroud；The casing
Right side is connected by the flexible pipe with the bellows.
3. active suction-type flammable explosive gas detection means air channel structure according to claim 1, it is characterised in that：Institute
State switching mechanism including screw mandrel, screw, connecting rod, fix bar, sliding sleeve, it is symmetrical above and below located at the bellows front end face upper mounted plate and
The vertically symmetrical guide rod between the fixed plate；The leading screw by bearing be rotatably connected on vertically the fixed plate it
Between；The screw is arranged on the leading screw；Described fix bar one end is fixedly connected with the screw mandrel, the other end and the sliding sleeve
It is fixedly connected；The sliding sleeve is sheathed on the guide rod；Described connecting rod one end is fixedly connected on above the sliding sleeve, other end hinge
It is connected on the suction mechanism；The bottom of the leading screw is additionally provided with a turning handle.
4. active suction-type flammable explosive gas detection means air channel structure according to claim 1, it is characterised in that：Institute
Stating air-flow buffer mechanism is included located at the bellows or so two several stomatas on end face top；Level is before the bellows
Baffle plate on end face inwall；The guide vanes on the bellows rear end face inwall are inclined, and the guide vanes are located at institute
State the lower section of baffle plate.
5. the active suction-type flammable explosive gas detection means air channel structure according to claim any one of 1-4, it is special
Levy and be：The left side bottom of the bellows is provided with the air outlet of shutter；There is one on the rear end face of the bellows
Opening；A chamber door is hinged with the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141974.7A CN106769266A (en) | 2016-12-12 | 2016-12-12 | Active suction-type flammable explosive gas detection means air channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141974.7A CN106769266A (en) | 2016-12-12 | 2016-12-12 | Active suction-type flammable explosive gas detection means air channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769266A true CN106769266A (en) | 2017-05-31 |
Family
ID=58880406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611141974.7A Pending CN106769266A (en) | 2016-12-12 | 2016-12-12 | Active suction-type flammable explosive gas detection means air channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769266A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163412A (en) * | 2017-12-30 | 2018-06-15 | 郑州赫恩电子信息技术有限公司 | It is a kind of to facilitate the environment-protection garbage can that rubbish is toppled over |
| CN108466197A (en) * | 2018-03-28 | 2018-08-31 | 湖南大学 | A kind of fixture can adjust spatial position for fixing various sizes of mandible model |
| CN108555795A (en) * | 2018-03-28 | 2018-09-21 | 湖南大学 | One kind can stepless changing spatial position and posture fixture for fixing mandible model |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125636A (en) * | 1995-10-31 | 1997-05-13 | Matsushita Electric Works Ltd | Leader joint |
| KR20050100933A (en) * | 2004-04-16 | 2005-10-20 | 이기원 | Air inhalation gas leak sensor |
| CN103578235A (en) * | 2013-11-04 | 2014-02-12 | 福建美营自动化科技有限公司 | Initiative absorbing type flammable and explosive gas detection alarm |
| CN204201899U (en) * | 2014-10-08 | 2015-03-11 | 龙山红日锅炉有限公司 | A kind of guide plate type fuel gas energy-saving combustion chamber |
| CN105592880A (en) * | 2013-08-08 | 2016-05-18 | 蒸汽热能公司 | Respiratory therapy condensation adaptor |
| CN105771445A (en) * | 2014-12-24 | 2016-07-20 | 戴礼礼 | Novel environment-friendly welding fume treatment device |
| CN205701805U (en) * | 2016-06-08 | 2016-11-23 | 信丰正天伟电子科技有限公司 | A kind of chemical laboratory extractor fan |
-
2016
- 2016-12-12 CN CN201611141974.7A patent/CN106769266A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125636A (en) * | 1995-10-31 | 1997-05-13 | Matsushita Electric Works Ltd | Leader joint |
| KR20050100933A (en) * | 2004-04-16 | 2005-10-20 | 이기원 | Air inhalation gas leak sensor |
| CN105592880A (en) * | 2013-08-08 | 2016-05-18 | 蒸汽热能公司 | Respiratory therapy condensation adaptor |
| CN103578235A (en) * | 2013-11-04 | 2014-02-12 | 福建美营自动化科技有限公司 | Initiative absorbing type flammable and explosive gas detection alarm |
| CN204201899U (en) * | 2014-10-08 | 2015-03-11 | 龙山红日锅炉有限公司 | A kind of guide plate type fuel gas energy-saving combustion chamber |
| CN105771445A (en) * | 2014-12-24 | 2016-07-20 | 戴礼礼 | Novel environment-friendly welding fume treatment device |
| CN205701805U (en) * | 2016-06-08 | 2016-11-23 | 信丰正天伟电子科技有限公司 | A kind of chemical laboratory extractor fan |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163412A (en) * | 2017-12-30 | 2018-06-15 | 郑州赫恩电子信息技术有限公司 | It is a kind of to facilitate the environment-protection garbage can that rubbish is toppled over |
| CN108466197A (en) * | 2018-03-28 | 2018-08-31 | 湖南大学 | A kind of fixture can adjust spatial position for fixing various sizes of mandible model |
| CN108555795A (en) * | 2018-03-28 | 2018-09-21 | 湖南大学 | One kind can stepless changing spatial position and posture fixture for fixing mandible model |
| CN108555795B (en) * | 2018-03-28 | 2019-07-05 | 湖南大学 | One kind can stepless changing spatial position and posture fixture for fixing mandible model |
| CN108466197B (en) * | 2018-03-28 | 2019-09-24 | 湖南大学 | It can adjust the fixture of spatial position for fixing various sizes of mandible model |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |