CN107515279A - Air detecting device - Google Patents
Air detecting device Download PDFInfo
- Publication number
- CN107515279A CN107515279A CN201710778316.7A CN201710778316A CN107515279A CN 107515279 A CN107515279 A CN 107515279A CN 201710778316 A CN201710778316 A CN 201710778316A CN 107515279 A CN107515279 A CN 107515279A
- Authority
- CN
- China
- Prior art keywords
- air
- housing
- cover plate
- detecting device
- data transmission
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000008602 contraction Effects 0.000 claims abstract description 22
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical group O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 10
- 235000019256 formaldehyde Nutrition 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention discloses a kind of air detecting device, and the air detecting device includes housing, the sensor being arranged in the housing, cover plate, and data transmission interface.Wherein, air admission hole is provided with the housing, the cover plate is installed in the housing；The data transmission interface is movably installed in the housing, and is connected with the cover plate；The data transmission interface has the extended configuration stretched out from the detection main body, and stores to the contraction state of the detection main body.When the data transmission interface is moved to contraction state, the cover plate isolates the air admission hole with the sensor；When the data transmission interface is moved to extended configuration, the cover plate is mobile and the air admission hole is connected with the sensor.Technical scheme improves the service life of air detecting device.
Description
Technical field
The present invention relates to air detection technical field, more particularly to a kind of air detecting device.
Background technology
Existing air detecting device is that air admission hole is opened up on its housing, and extraneous air can be entered by air admission hole to be examined
Main body is surveyed, so as to be detected sensor detection built-in in main body.
However, existing this air detecting device, when in idle state, extraneous air equally can be along air admission hole
Into in housing, and enter in sensor, so as to the continuous consuming sensor of meeting, cause sensor to be damaged, leverage sky
The service life of gas detection means.
The content of the invention
The main object of the present invention is to propose a kind of air detecting device, it is intended to which that improves air detecting device uses the longevity
Life.
To achieve the above object, air detecting device proposed by the present invention includes detection main body, and the detection main body has
Housing and the sensor being arranged in the housing, air admission hole are provided with the housing, the air detecting device also includes：
Cover plate, it is installed in the housing；
Data transmission interface, the housing is movably installed in, and is connected with the cover plate；The data transmission interface has
The extended configuration stretched out from the detection main body, and store to the contraction state of the detection main body；
When the data transmission interface is moved to contraction state, the cover plate by the air admission hole and the sensor every
From；When the data transmission interface is moved to extended configuration, the cover plate is mobile and makes the air admission hole and the sensor
It is connected.
Preferably, the housing has the panel for setting the air admission hole, and the cover plate is bonded with the inwall of the panel.
Preferably, air-vent is provided with the cover plate, it is described when the data transmission interface is moved to contraction state
Air-vent staggers with the air admission hole；When the data transmission interface is moved to extended configuration, the air-vent with it is described enter
Stomata docks.
Preferably, the cover plate is held between the sensor and the panel.
Preferably, the housing has the panel for setting the air admission hole, and the inwall of the panel is provided with for the lid
The slot of one end insertion of the remote USB plug of plate.
Preferably, an installing port is provided with the housing, the data transmission interface inside and outside can telescopically be installed on institute
State installing port.
Preferably, the air detecting device also includes framework, and the framework is set in the periphery of the detection main body, institute
State housing and be installed on the framework turnablely.
Preferably, the first magnetic assembly is provided with the housing, the second magnetic assembly is provided with the framework, it is described
Housing is coordinated with the framework by first magnetic assembly and the second magnetic assembly magnetic.
Preferably, venthole is additionally provided with the housing, the cover plate lid is together in the sensor.
Preferably, the air detecting device is methylene oxide detecting instrument.
By setting a cover plate in the housing of air detecting device, cover plate connection data pass technical scheme
Defeated interface, when data transmission interface switches between contraction state and extended configuration, cover plate can be driven to move, to be not required to
It when will be to air detection, can be isolated with sensor with extraneous air, avoid extraneous air from entering sensor for a long time and cause to sense
Device is damaged, and then influences the service life of air detecting device.
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
There is the required accompanying drawing used in technology description to be 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
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of air detecting device one of the present invention；
Fig. 2 is the explosive view of air detecting device in Fig. 1；
Fig. 3 is the structural representation of another embodiment of air detecting device of the present invention；
Fig. 4 is the explosive view of air detecting device in Fig. 3；
Fig. 5 is the side view of air detecting device in Fig. 3；
Sectional view of the air detecting device along M-M lines in Fig. 6 bitmaps 5；
Fig. 7 is the structural representation of the another embodiment of air detecting device of the present invention；
Fig. 8 is the structural representation of air detecting device another embodiment of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Air detecting device | 11 | Detect main body |
| 11a | Housing | 11b | PCB |
| 11c | Sensor | 11d | Cover plate |
| 11e | Air-vent | 11f | Slot |
| 110 | First magnetic assembly | 111 | Air admission hole |
| 111’ | Venthole | 112 | Installing port |
| 12 | Framework | 120 | Second magnetic assembly |
| 13 | Data transmission interface | 14 | Rotating shaft |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.
Fig. 1 to Fig. 8 shows the preferred embodiment and variant embodiment of air detecting device of the present invention, in these embodiments
In there is multiple improvement；In specific descriptions, it is described as an embodiment for each improve therein, in no constructive interference
In the case of conflict, the technical characteristic between following each embodiments can be with independent assortment.When the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of air detecting device.The air detecting device can be for detecting formaldehyde (i.e. formaldehyde
Detector) or for detecting CO's or for detecting CO2Or for detecting NH4 +, also may be used
For detection methane (gas leak), PM2.5 detections are can be used for, can be used for detecting SO2, nitrogen oxides, O3,
It can also be for detecting the volatile materials such as benzene, phenol, anthracene.
In embodiments of the present invention, as depicted in figs. 1 and 2, the air detecting device 10 includes detection main body 11, the inspection
Surveying main body 11 has housing 11a, the sensor 11c being arranged in the housing 11a, the cover plate being installed in the housing 11a
11d, and it is movably installed in the data transmission interface 13 (can be USB interface or serial ports) of the housing 11a.Its
In, air admission hole 111 is provided with the housing 11a, the data transmission interface 13 is connected with the cover plate 11d.The data
Coffret 13 has the extended configuration stretched out from the detection main body 11, and storage detects the contraction-like of main body 11 to described
State.When the data transmission interface 13 is moved to contraction state, the cover plate 11d is by the air admission hole 111 and the sensing
Device 11c isolates；When the data transmission interface 13 is moved to extended configuration, the cover plate 11d is mobile and makes the air admission hole
111 are connected with the sensor 11c, and (air admission hole 111 is connected with sensor 11c to be referred to be entered in housing by air admission hole 111
Air the two directly connection can not be limited with flow sensor 11c).
Specifically, PCB 11b is also equipped with housing 11a, sensor 11c is electrically connected with PCB 11b
Connect, sensor 11c can be fixed on housing 11a, can also be fixed on PCB 11b.Data transmission interface 13 is to use
In what is be connected with mobile phone, Pad or other intelligent terminals (subsequently by taking mobile phone as an example).Data transmission interface 13 is and PCB
What 11B was electrically connected with, user can be connected by data transmission interface 13 with mobile phone, can easily detect air matter in real time
Amount.
When data transmission interface 13 is in contraction state, cover plate 11d is to isolate air admission hole 111 with sensor 11c, tool
Body isolation method can be that cover plate 11d blocks air admission hole 111 or cover plate 11d covers sensor 11c.Work as data
In extended configuration, air admission hole 111 will connect coffret 13 with sensor 11c, that is, air admission hole 111 and sensor
Do not obstructed between 11c, extraneous air can flow to sensor 11c, by sensor after air admission hole 111 enters housing 11a
11c is detected.
Conversions of the USB between contraction state and extended configuration is the connection with housing 11a by data transmission interface 13
What mode was realized.And data transmission interface 13 and housing 11a movable connection method have it is a variety of, for example, data transmission interface 13
It is slidably mounted on the housing 11a or is rotatablely installed in the housing 11a.
For data transmission interface 13 is slidably mounted on the housing 11a, can be opened up on housing 11a one with
The installing port 112 of the inner chamber connection of the housing 11a, the data transmission interface 13 inside and outside can telescopically be installed on the installation
Mouth 112.When data transmission interface 13 is in contraction state, data transmission interface 13 is largely or entirely positioned at housing 11a's
, can be manually or using instrument by data when user needs to adjust data transmission interface 13 to extended configuration in inner chamber
Coffret 13 releases (pull-out), or is ejected by elastic component.It can also be and form a chute in housing 11a external concavities,
Data transmission interface 13 is installed in the chute；Data transmission interface 13 can slide back and forth in the chute, be stretched so as to realize
The conversion of exhibition state and contraction state.
For data transmission interface 13 is rotatablely installed in the housing 11a.Can be that data transmission interface 13 passes through
One rotating shaft 14 is installed on housing 11a, and data transmission interface 13 can be with around the shaft 14 upsets or rotation, so as to realize extended configuration
With the conversion of contraction state.
Data transmission interface 13 and cover plate 11d connected mode also has a variety of.Such as it is directly connected to and is indirectly connected with.For
For the mode being directly connected to, cover plate 11d one end or detachably connects with can be fixedly connected with data transmission interface 13
Connect or be integrally formed with data transmission interface 13.For the side of being directly connected to of data transmission interface 13 and cover plate 11d
Formula, suitable for data transmission interface 13 be rotatablely installed in the housing 11a (when data transmission interface 13 is in contraction state,
Cover plate 11d is between air admission hole 111 and sensor 11c；When data transmission interface 13 turns to extended configuration by contraction state
When, cover plate 11d is removed between air admission hole 111 and sensor 11c), it is also applied for data transmission interface 13 and is slidably mounted on institute
State housing 11a (data transmission interface 13 directly drives cover plate 11d to move, and air admission hole 111 is isolated with sensor 11c, or from
Removed between air admission hole 111 and sensor 11c).
For data transmission interface 13 and cover plate 11d indirect connections, gear teeth can be passed through therebetween
Bar coordinates.
Can be in data when data transmission interface 13 is installed on above-mentioned installing port 112 or chute in a sliding manner
Rack is respectively provided with coffret 13 and cover plate 11d, sets between data transmission interface 13 and cover plate 11d and is connect with data transfer
The gear that 13 rack of mouth and cover plate 11d rack are meshed.When data transmission interface 13 stretches out from inside to outside, gear rotation
Cover plate 11d movements (opposite with the moving direction of data transmission interface 13) are driven, so that air admission hole 111 and sensor 11c connects
It is logical.Data transmission interface 13 can also be what is be connected by connecting rod with cover plate 11d indirect connections, the middle part of the connecting rod with
Housing 11a is hinged, and the both ends of connecting rod are connected respectively data transmission interface 13 and cover plate 11d.
When data transmission interface 13 is installed on housing 11a in a rotating manner, gear can be installed in rotating shaft 14,
The rack being meshed with the gear is installed on cover plate 11d.By USB rotation (upset or rotation), can be revolved together with moving gear
Turn, when gear rotates, rack drives cover plate 11d displacements can be passed through.
Technical scheme in the housing 11a of air detecting device 10 by setting a cover plate 11d, the cover plate
11d connections data transmission interface 13, can band when data transmission interface 13 is cut and switched between contraction state in extended configuration
Dynamic cover plate 11d movements, need not be to air detection when, sensor 11c can be made to isolate with extraneous air, avoid outside
Air enters sensor 11c for a long time and causes sensor 11c to be damaged, so as to improve the service life of air detecting device 10.
In above-described embodiment, when data transmission interface 13 is in contraction state, cover plate 11d can be covered in sensor
It is on 11c or cover air admission hole 111.It is difficult that sensor 11c sealings are covered into (outside sky in view of cover plate 11d
After gas enters housing 11a, can enter from cover plate 11d and sensor 11c gap in sensor 11c), in the present embodiment,
The housing 11a is interior with the panel with the panel (not indicated in figure) for setting the air admission hole 111, the cover plate 11d
Wall is bonded.It is, when data transmission interface 13 is in contraction state, cover plate 11d and panel attachment, and by air admission hole 111
Closure；When data transmission interface 13 is in extended configuration, cover plate 11d is with the movement of data transmission interface 13 and from air admission hole
Withdrawn between 111 and sensor 11c.
Reference picture 2, Fig. 4 and Fig. 6, multiple air admission holes 111 are often provided with housing 11a, multiple air admission holes 111 account for
According to certain region, generally, in order that air inlet is easy, the region is often larger (such as occupying the region of panel 1/4~1/2).
If cover plate 11d withdrawn completely from the region, the displacement required for cover plate 11d is larger.But data transmission interface 13
By extended configuration and contraction state to be switched to the displacement that cover plate 11d brings smaller, so being difficult to the requirement for reaching cover plate.Mirror
In this, in the present embodiment, air-vent 11e is provided with the cover plate 11d, when the data transmission interface 13 is moved to contraction
During state, the air-vent 11e staggers with the air admission hole 111.When the data transmission interface 13 is moved to extended configuration,
The air-vent 11e docks with the air admission hole 111.
In above-described embodiment, although cover plate 11d be bonded with panel inner wall can strengthen cover plate 11d cover effect,
In the long-term moving process of cover plate 11d, cover plate 11d can be reduced gradually with the effect that is bonded of panel inner wall, eventually result in cover plate 11d
Depart from from panel inner wall, so as to can not effectively block air admission hole 111.In consideration of it, in the present embodiment, in order that cover plate 11d
Cover better, the cover plate 11d is held between the sensor 11c and the panel.In this way, cover plate 11d is always
Be held between panel and sensor 11c, cover plate 11d to air admission hole 111 to cover effect preferable.
With continued reference to Fig. 6, it also is contemplated that into the long-term moving process of cover plate 11d, cover plate 11d is bonded effect with panel inner wall
Fruit can gradually reduce, and eventually result in cover plate 11d and depart from from panel inner wall, so as to block air admission hole 111.So at this
In embodiment, the inwall of the panel is provided with the slot of one end insertion for the remote USB plug of the cover plate 11d
11f.In the presence of the slot 11f, on the one hand there is supporting role to cover plate 11d, avoid cover plate 11d to air admission hole 111
Plugging effect it is bad.On the other hand, by slot 11f guide effect, cover plate 11d motion track is relatively stable, cover plate 11d
When covering air admission hole 111, will not deflection, cover plate 11d is preferable to the plugging effect of air admission hole 111.
Furthermore, reference picture 3 to Fig. 8, the air detecting device 10 also includes framework 12, and the framework 12 is arranged
In the periphery of the detection main body 11, the housing 11a is installed on the framework 12 turnablely.
Specifically, framework 12 can annularly be set, and for ring-shaped frame 12, can be annulus, also may be used
To be Fang Huan, three square rings, rhombus ring etc..In addition, ring-shaped frame 12 can also be what is set in semicircular, that is, in ring-type frame
On the basis of frame 12, the edge of framework 12 is set into a breach, makes the open loop of ring-shaped frame 12 (not being in closed ring shape).
For ring-shaped frame 12, the installation of detection main body 11 is more stable, rotates more smooth.For semicircular framework 12
For, because it has a breach, so, it is easy to hanging for the air detecting device 10.
When user needs to detect air quality, can be rotated with manual toggle housing 11a, air can be rapidly from fresh air inlet
Into in housing 11a, to be contacted with sensor 11c.Due to the increase of outer gas stream amount, so as to reduce sensor 11c sound
Between seasonable, and then it can detect in time.Furthermore due to gas flow relative increase so that extraneous gas fully connects with sensor 11c
Touch, the accuracy of air detection can be improved, so as to both quick and detect air quality exactly.
In above-described embodiment, housing 11a is not easy to store in framework 12.In consideration of it, reference picture 7 and Fig. 8, in this implementation
In example, the first magnetic assembly 110 is provided with the housing 11a, the second magnetic assembly 120, institute are provided with the framework 12
Housing 11a is stated with the framework 12 by first magnetic assembly 110 and the magnetic of the second magnetic assembly 120 to coordinate.
For the first magnetic assembly 110 and the second magnetic assembly 120, the mode of mutual magnetic has a variety of.For example, the
One of which in one magnetic assembly 110 and the second magnetic assembly 120 is magnetic metalwork (such as iron, cobalt, nickel, or three
Any both or three alloy), another one is magnet.Can also be the first magnetic assembly 110 and the second magnetic assembly 120
It is magnet.
It should be noted that when the first magnetic assembly 110 is magnet, framework 12 with generally magnetic metalwork, or
Local is magnetic metalwork, to be used as the second magnetic assembly 120.Equally, when the second magnetic assembly 120 is magnet, detection master
The housing 11a of body 11 can generally magnetic metalwork (such as stainless steel), or local is magnetic metalwork, to be used as the first magnetic
Inhale component 110.
When user needs to detect air quality, the first magnetic assembly 110 and the second magnetic can be made with roll-shell 11a
Component 120 departs from magnetic, and then, housing 11a 14 can be swung around the shaft.In swing process, extraneous air can quickly enter shell
Detected in body 11a by sensor 11c.After user has used air detecting device 10, first can be made with roll-shell 11a
The position correspondence of 110 and second magnetic assembly of magnetic assembly 120, so as to which the first magnetic assembly 110 and the second magnetic assembly 120 can
So that housing 11a is positioned in framework 12 by magnetic.
With continued reference to Fig. 8, enter for the ease of extraneous air in housing 11a, in the present embodiment, on the housing 11a
Venthole 111 ' is additionally provided with, the cover plate 11d is covered on the sensor 11c.Here, venthole 111 ' and air admission hole 111
Position be not construed as limiting.Certainly, in order to avoid entering after the air-flow outflow in housing 11a from air admission hole 111 in housing 11a again,
The spacing distance of air admission hole 111 and venthole 111 ' is the bigger the better.I.e.：The venthole 111 ' is in phase with the air admission hole 111
To setting, that is, the air admission hole 111 is arranged on housing 11a panel, and venthole 111 ' is arranged on backboard.It is in this way, outside
When gas is entered in housing 11a, the gas in housing 11a can flow out from venthole 111 ' quickly, and outer gas stream enters housing
After in 11a, it will not be influenceed by gas original in housing 11a, it is higher so as to sensor 11c detection precision.
Although venthole 111 ' is in be oppositely arranged to avoid collaborating (after the air-flow outflow in housing 11a with air admission hole 111
Enter again from air admission hole 111 in housing 11a), still, if venthole 111 ' is set overleaf, when housing 11a is rotated, enter
Stomata 111 and venthole 111 ' are at state windward.So now the air-flow in housing 11a is not easy to flow out, outer gas stream
It is not easy to enter in housing 11a.In consideration of it, in the present embodiment, the venthole 111 ' is arranged on housing 11a side plate.Such as
This, when housing 11a is rotated, windward, air-flow flows into along housing 11a panel along gas air holes, and the gas in housing 11a is along venthole
111 ' flow out from side wall, and the air drag that air-flow is subject to during outflow is smaller.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of air detecting device, including detection main body, the detection main body has housing and is arranged in the housing
Sensor, air admission hole is provided with the housing, it is characterised in that the air detecting device also includes：
Cover plate, it is installed in the housing；
Data transmission interface, the housing is movably installed in, and is connected with the cover plate；The data transmission interface has from institute
The extended configuration that detection main body is stretched out is stated, and is stored to the contraction state of the detection main body；
When the data transmission interface is moved to contraction state, the cover plate isolates the air admission hole with the sensor；
When the data transmission interface is moved to extended configuration, the cover plate is mobile and the air admission hole is connected with the sensor
It is logical.
2. air detecting device as claimed in claim 1, it is characterised in that the housing has the face for setting the air admission hole
Plate, the cover plate are bonded with the inwall of the panel.
3. air detecting device as claimed in claim 1, it is characterised in that air-vent is provided with the cover plate, when described
When data transmission interface is moved to contraction state, the air-vent staggers with the air admission hole；When the data transmission interface moves
When moving to extended configuration, the air-vent docks with the air admission hole.
4. air detecting device as claimed in claim 3, it is characterised in that the cover plate be held on the sensor with it is described
Between panel.
5. air detecting device as claimed in claim 1, it is characterised in that the housing has the face for setting the air admission hole
Plate, the inwall of the panel are provided with the slot of one end insertion for the remote USB plug of the cover plate.
6. the air detecting device as described in claim 1 to 5 any one, it is characterised in that be provided with one on the housing
Installing port, the data transmission interface inside and outside can telescopically be installed on the installing port.
7. the air detecting device as described in claim 1 to 5 any one, it is characterised in that the air detecting device is also
Including framework, the framework is set in the periphery of the detection main body, and the housing is installed on the framework turnablely.
8. air detecting device as claimed in claim 7, it is characterised in that the first magnetic assembly is provided with the housing,
The second magnetic assembly is provided with the framework, the housing passes through first magnetic assembly and described second with the framework
Magnetic assembly magnetic coordinates.
9. air detecting device as claimed in claim 7, it is characterised in that venthole is additionally provided with the housing, it is described
Cover plate lid is together in the sensor.
10. air detecting device as claimed in claim 1, it is characterised in that the air detecting device is methylene oxide detecting instrument.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778316.7A CN107515279B (en) | 2017-08-31 | 2017-08-31 | Air detection device |
| PCT/CN2017/105132 WO2019041444A1 (en) | 2017-08-31 | 2017-09-30 | Air detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778316.7A CN107515279B (en) | 2017-08-31 | 2017-08-31 | Air detection device |
Publications (2)
| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109164206A (en) * | 2018-07-25 | 2019-01-08 | 六安志成智能科技有限公司 | A kind of atmospheric monitoring device |
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| CN202404083U (en) * | 2011-12-31 | 2012-08-29 | 安徽山河矿业装备股份有限公司 | Multifunctional detecting device for escape capsule gas |
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| CN107515279B (en) | 2020-04-21 |
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