CN109709279A - A kind of inflammable volatile matter monitoring safety check instrument with face snap function - Google Patents
A kind of inflammable volatile matter monitoring safety check instrument with face snap function Download PDFInfo
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- CN109709279A CN109709279A CN201910031300.9A CN201910031300A CN109709279A CN 109709279 A CN109709279 A CN 109709279A CN 201910031300 A CN201910031300 A CN 201910031300A CN 109709279 A CN109709279 A CN 109709279A
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- windshield
- upper housing
- mainboard
- air inlet
- camera
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- 238000001514 detection method Methods 0.000 claims abstract description 34
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- 239000011324 bead Substances 0.000 claims description 2
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Abstract
The present invention provides a kind of inflammable volatile matter monitoring safety check instrument with face snap function, including upper housing, lower case, supply fan, camera module, gas detection sensor, mainboard module and memory module；Air inlet windshield is fixed on upper housing, and air inlet windshield is equipped with air-inlet grille, and supply fan is installed on the back side of air inlet windshield；The camera of camera module is fixed in the camera hole of upper housing；Mainboard module and memory module are individually fixed in lower case, and gas detection sensor is welded on mainboard module, and mainboard module is electrically connected with camera module by harness, and camera module is connected with memory module by FPC winding displacement；Mainboard module connects external power supply, and external power supply is powered to mainboard module, supply fan and camera module.The present invention passenger can not only have been held suspicious object carry out quick security check investigation and danger warning prompt, but also the passenger's face for holding dangerous goods can be captured and image storage, so as to the later period track check.
Description
Technical field
The invention belongs to public transport security technology areas, and in particular to a kind of inflammable volatile matter with face snap function
Monitor safety check instrument.
Background technique
With the rapid development of economy, flow of personnel is more frequent, carries inflammable and explosive volatilization dangerous material and take public transport
Tool causes the event of passenger's injures and deaths commonplace, therefore has inflammable volatile matter of the enterprise development for public transport safety to supervise
Alarm system is surveyed, is uncapped safety check, flammable explosive gas density dynamic monitoring, hazardous gas sound-light alarm in compartment using entrance door
With the pinpoint mode in position, the suspicious object that can be carried to passenger is detected and initiative alarming prompts, to eliminate
Security risk.The safety check instrument of existing inflammable volatile matter monitor and alarm system is by way of detection of uncapping, to the passenger to get on the bus
The suspicious object of carrying is used for quickly detecting and checks, by detection volatilization gas concentration and type to determine whether being danger
Product, and warning note is carried out, but can not achieve and the passenger's face for carrying dangerous goods is captured and stored, after not being able to satisfy
Phase image forensics and dangerous material carry the demand of personnel's tracking.
Summary of the invention
The object of the present invention is to provide a kind of, and the inflammable volatile matter with face snap function monitors safety check instrument.
The present invention provides the following technical solutions:
A kind of inflammable volatile matter with face snap function monitors safety check instrument, including upper housing, lower case, supply fan,
Camera module, gas detection sensor, mainboard and memory module；
The upper housing is fixedly connected with the lower case, is formed between the upper housing and the lower case for accommodating
The camera module, the gas detection sensor, the mainboard and the memory module cavity；
The upper housing is equipped with one for assembling the windshield mounting hole of the air inlet windshield, and air inlet windshield is fixed on described
In windshield mounting hole, the air inlet windshield is equipped with air-inlet grille；
The supply fan is installed on the back side of the air inlet windshield；
The camera module is installed on the upper housing, and the upper housing is equipped with camera hole, the camera mould
The camera of block is fixed in the camera hole；
The mainboard and the memory module are individually fixed in the lower case, the mainboard include analog-digital converter and
Comparator, the gas detection sensor are electrically connected with the analog-digital converter, the analog-digital converter and comparator electricity
Connection, the comparator are electrically connected with the camera module, and inflammable volatile gases concentration threshold is stored in the comparator
Value；The camera module and memory module electrical connection；The mainboard connects external power supply, and external power supply gives the master
Plate, the supply fan and camera module power supply.
Preferably, the top of the upper housing is equipped with air outlet grate；The upper housing is the arc shell to arch upward outward, institute
The downside that air inlet windshield is obliquely installed on the upper housing upwards is stated, the air-inlet grille is opposite with the air outlet grate to be set
It sets.
Preferably, the gas detection sensor is installed on the position for facing the air-inlet grille.
Preferably, the supply fan is fan, and the surrounding of the pedestal of the supply fan is respectively equipped with more
The back side of a fan mounting holes, the air inlet windshield is equipped with multiple fan mounting posts, and multiple screws are each passed through the fan
Mounting hole is tightened in the fan mounting post.
Preferably, the air inlet windshield is subcircular, and the periphery at the air inlet windshield back side is equipped with multiple outer buckles, described
Outer buckle includes with the linking arm of air inlet windshield fixation and by the claw of the linking arm outward bending；The upper housing
Be equipped on the inside of windshield mounting hole it is multiple with the outer matched interior buckle of buckle, when the outer buckle and the interior buckle one by one just
Clock synchronization, the air inlet windshield can be pressed into the windshield mounting hole, and the claw of the outer buckle is made to resist the interior buckle.
Preferably, multiple outer buckles are symmetrically distributed in the air inlet windshield.
Preferably, the edge of the windshield mounting hole is formed at interval there are two positive stop strip, and two positive stop strips are equal
Positioned at the top of the windshield mounting hole；The edge of the air inlet windshield is equipped with the annular transitional face of obliquely indent, the ring
There are two place-limited edges for the bead formed on back of shape transition face, and when the outer buckle blocks the interior buckle, two place-limited edges are supported
On the opposite inner sidewall of two positive stop strips.
Preferably, it is set inside the upper housing there are four camera module mounting post, the camera module mounting post is set
There is internal screw thread；There are four camera mounting hole, screws to twist across the camera mounting hole for the quadrangle of the camera module
Tightly in the camera module mounting post.
Preferably, voice guard is installed, the mainboard is electrically connected with the voice guard on the mainboard.
Preferably, the lower case back side is fixed with the first mounting bracket that end face is arc groove, first installation
The second mounting bracket that end face is arc groove, second mounting bracket and first installation is bolted in bracket
The arc groove of bracket encloses and the matched cylindrical hole of the handrail of automobile.
The beneficial effects of the present invention are: being equipped with supply fan and air inlet windshield in shell of the invention, gas is accelerated to exist
The intracorporal flowing of shell improves the sensitivity and actual effect of detection.Gas detection sensor, master are installed in shell of the invention
Plate, camera module and memory module, the gas detection sensor on mainboard can detect the inflammable escaping gas that passenger carries
Concentration, when concentration over-standard, mainboard can trigger camera module and capture to face, and be stored in storage for image is captured
In module, therefore the present invention can not only hold suspicious object to passenger and carry out safety check detection, but also can be to the passenger for holding dangerous goods
Face actively capture and image stores, so that later period tracking is checked.Air inlet windshield of the invention and upper housing installation are fixed,
It is easy to disassemble and install, supply fan is safeguarded convenient for the later period.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is perspective view of the invention；
Fig. 2 is explosive view of the invention；
Fig. 3 is the three-dimensional structure diagram of air inlet windshield and supply fan of the invention；
Fig. 4 is the internal structure chart of lower case of the invention；
Fig. 5 is the structure chart of upper housing and air inlet windshield of the invention；
Fig. 6 is detection of the invention and captures action control schematic diagram.
In the figure, it is marked as 1- upper housing；2- lower case；The second mounting bracket of 3-；4- air inlet windshield；5- supply fan；6-
Camera module；7- mainboard；8- memory module；9- gas detection sensor；10- air outlet grate；11- air-inlet grille；12- wild card
Button；121- linking arm；122- claw；13- fan mounting post；14- fan mounting holes；15- mainboard mounting post；16- memory module
Mounting post；17- slot；18- camera module mounting post；Buckle in 19-；20- positive stop strip；21- shell mounting post；22- limit
Rib；The first mounting bracket of 23-；24- camera hole；25- voice guard；26- annular transitional face；27- fixation hole；28- digital-to-analogue turns
Parallel operation；29- comparator.
Specific embodiment
As shown in Figures 1 to 6, a kind of inflammable volatile matter monitoring safety check instrument with face snap function, including upper housing 1,
Lower case 2, air inlet windshield 4, supply fan 5, camera module 6, mainboard 7 and memory module 8；Upper housing 1 passes through with lower case 2
Screw is fixedly connected, and is formed between upper housing 1 and lower case 2 for accommodating supply fan 5, camera module 6, mainboard 7 and depositing
Store up the cavity of module 8；Upper housing 1 is equipped with one for assembling the windshield mounting hole of air inlet windshield 4, and air inlet windshield 4 is fixed on wind
In lid mounting hole, air inlet windshield 4 is equipped with air-inlet grille 11；Supply fan 5 is installed on the back side of air inlet windshield 4, supply fan 5
Gas is pumped into upper housing 1 by air-inlet grille 11 when operation；Camera module 6 is installed on upper housing 1, is set on upper housing 1
There is camera hole 24, the camera of camera module 6 is fixed in camera hole 24, to capture to face；Mainboard 7 and storage
Module 8 is individually fixed in lower case 2, and gas detection sensor 9 is welded on the circuit board of mainboard 7, gas detection sensor 9
For catalysis oxidation type combustible gas sensor, optional model 4P-75C, gas detection sensor 9 can be to inflammable volatile object
Matter is detected, such as to the sensitivity with higher such as gasoline, alcohol, banana oil, gas detection sensor not by floral water,
The interference effect of other substances such as perfume.Mainboard 7 includes analog-digital converter 28 and comparator 29, gas detection sensor 9 and mould
Number converter 28 is electrically connected, and analog-digital converter 28 is electrically connected with comparator 29, and inflammable volatilization gas is stored in comparator 29
Concentration threshold, comparator 29 are electrically connected with camera module 6, and camera module 6 is electrically connected with memory module 8.Gas detection passes
The concentration of the inflammable volatile matter contained in flowing gas in the detectable shell of sensor 9, and will test the mould that value is sent to mainboard 7
Number converter 28 carries out modulus signal conversion；Low and high level signal after conversion is transferred to comparator 29 by analog-digital converter 28,
The level of comparison result is transferred to camera mould in real time to gas concentration detected value compared with concentration threshold by comparator 29
Block 6；Mainboard 7 is electrically connected with camera module 6 by harness, when gas concentration detected value is greater than concentration threshold, comparator 29
High level signal is transmitted to camera module, triggering camera module 6 works, grabs to the face for holding the detection gas
It claps；Camera module 6 and memory module 8 are electrically connected by FPC winding displacement, and camera module 6 saves face snap image data
In memory module 8；Mainboard 7 connects external power supply by harness, and supply fan 5 connects mainboard 7 by harness, and external power supply is given
Supply fan 5, camera module 6 and mainboard 7 are powered.Face snap image data is stored in the storage card of memory module, is deposited
The card slot being equipped on the downside of module 8 for fixed storage card is stored up, the bottom of lower case 2 is additionally provided with the slot that can facilitate insertion storage card
17, slot 17 is located at the underface of card slot, and storage card can be inserted to be inserted into card slot from slot 17, is electrically connected with memory module 8, slot
17 facilitate plug storage card.
As depicted in figs. 1 and 2, the top of upper housing 1 is equipped with air outlet grate 10, to make the gas detected that shell be discharged
Cavity；Upper housing 1 is the arc shell to arch upward outward, and air inlet windshield 4 is obliquely installed on the downside of upper housing 1 upwards, into
Style grid 11 are oppositely arranged with air outlet grate 10, convenient for accelerating the gas flowing in cavity, will test gas and cavity is quickly discharged,
Improve the sensitivity and actual effect of detection.
As shown in Fig. 2, gas detection sensor 9 is installed on the position for facing air-inlet grille 11, gas sucking is shortened
Until flowing to the time on 9 surface of gas detection sensor, the sensitivity and actual effect of safety check detection and alarm are improved.
As shown in Figures 2 and 3, supply fan 5 is fan small in size, low in energy consumption, the pedestal of supply fan 5
Surrounding is respectively equipped with multiple fan mounting holes 14, and the back side of air inlet windshield 4 is equipped with multiple fan mounting posts 13, multiple screws point
Not Chuan Guo fan mounting holes 14 be tightened in fan mounting post 13, to realize that installation of the supply fan 5 in air inlet windshield 4 is solid
It is fixed.
As shown in Figure 3 and Figure 5, air inlet windshield 4 is subcircular, and the periphery at 4 back side of air inlet windshield is equipped with multiple outer buckles 12,
Multiple outer buckles 12 are symmetrically distributed in air inlet windshield 4, and outer buckle 12 includes the linking arm fixed with air inlet windshield 4
121 and by 121 outward bending of linking arm claw 122；Multiple and outer buckle 12 is equipped on the inside of the windshield mounting hole of upper housing 1
The interior buckle 19 matched firmly is pressed into gas windshield 4 when outer buckle is with interior buckle face, is pressed into the windshield installation of upper housing
Hole, while the inside slight deformation of linking arm 121 buckled outside make claw 122 compress the top of interior buckle 19, realize air inlet windshield
4 fix with the cooperation of upper housing 1, conveniently fast disassembling, installation quickly, it is easy.
The inside edge of windshield mounting hole is formed at interval there are two positive stop strip 20, and two positive stop strips 20 are respectively positioned on windshield
The top of mounting hole；The edge of air inlet windshield 4 is equipped with the annular transitional face 26 of obliquely indent, the back side in annular transitional face 26 at
There are two place-limited edge 22, two place-limited edges 22 to be located between 20 both ends inner sidewall of positive stop strip for type.When installation, just by place-limited edge 22
Air inlet windshield 4 is pressed into meeting on upper housing 1 so that buckling 12 and 19 snap-fits of interior buckle outside by corresponding positive stop strip 20.At this time
Place-limited edge 22 is placed exactly between 20 both ends inner sidewall of positive stop strip, is limited to the position restriction of positive stop strip 20, so that place-limited edge 22
It will not move, so that it is guaranteed that air inlet windshield 4 will not move, increase connective stability between the two.
As shown in figure 4, setting inside lower case 2, there are four mainboard mounting post 15 and four memory module mounting posts 16, mainboards
Mounting post 15 and memory module mounting post 16 have internal screw thread.The mounting hole that screw passes through mainboard quadrangle is tightened in mainboard installation
On column 15, realize that installation of the mainboard 7 in lower case 2 is fixed；The mounting hole that screw passes through memory module quadrangle, which is tightened in, to be deposited
It stores up in module mounting post 16, realizes that installation of the memory module 8 in lower case 2 is fixed.The inside of upper housing 1 images there are four setting
Head module mounting post 18, camera module mounting post 18 are equipped with internal screw thread, and there are four cameras to install for the quadrangle of camera module 6
Hole, screw pass through camera mounting hole and are tightened in camera module mounting post 18, and camera module 6 is fixed on upper housing
On.
As shown in Fig. 2, being welded with voice guard 25 on mainboard 7, mainboard 7 is electrically connected with voice guard 25, works as gas
When the gas concentration detected value of detection sensor 9 is greater than concentration threshold, the output end of mainboard 7 is captured in triggering camera module 6
While, also triggering voice guard 25 carries out audible alarm.
As shown in Figure 4 and Figure 5, four shell mounting posts 21 of the interior design of upper housing 1, the design of shell mounting post 21 have
Internal screw thread, the fixation hole 27 that screw passes through lower case 2 are tightened in shell mounting post 21, realize upper housing 1 and lower case 2
Installation is fixed, and camera module 6, mainboard 7 and memory module 8 are wrapped between upper-lower casing, forms the knot of this safety check instrument
Structure main body.
As depicted in figs. 1 and 2,2 back side of lower case is fixed with the first mounting bracket 23 that end face is arc groove, the first peace
The second mounting bracket 3 that end face is arc groove, the second mounting bracket 3 and the first installation branch is bolted in dress bracket 23
The arc groove of frame 23 encloses and the matched cylindrical hole of the handrail of automobile.As a kind of more preferably structure, the first installation branch
The lateral cylindrical hole perpendicular to cylindrical hole is additionally provided on frame and the second mounting bracket, to can also neatly pacify the present apparatus
In lateral handrail loaded on automobile.
In use, first mounting bracket 23 at 2 back side of lower case is stuck in the handrail of automobile entrance door, the second installation
Bracket 3 is stuck in the other side of handrail, is fastened the second mounting bracket 3 and the first mounting bracket 23 by bolt, realizes intrinsic safety
Installation of the instrument on vehicle is examined to fix.When passenger, which carries suspicious object, to get on the bus, need suspicious object close to air-inlet grille 11
Safety check is carried out, air is sucked by supply fan 5, blows to the gas detection sensor 9 on mainboard 7, then flow through air outlet grate 10
This safety check instrument out.Gas detection sensor 9 detects the concentration of the inflammable volatile matter contained in flowing gas, when inflammable volatile matter is dense
When angle value is more than the concentration threshold of setting, sound prompting alarm is carried out by the voice guard 25 on mainboard 7.In sound prompting
Meanwhile mainboard 7 triggers camera module 6 and works, and captures to the passenger's face for holding suspicious object, and facial image is grabbed
Result is clapped to be stored in memory module 8.The present invention can both hold suspicious object to passenger and carry out safety check detection and warning note, when
When containing inflammable volatile matter in article, and active candid photograph and image storage can be carried out to the passenger's face for holding dangerous goods, with
Phase tracking after an action of the bowels is checked.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of inflammable volatile matter with face snap function monitors safety check instrument, which is characterized in that including upper housing, lower case,
Supply fan, camera module, gas detection sensor, mainboard and memory module；
The upper housing is fixedly connected with the lower case, is formed between the upper housing and the lower case described for accommodating
Camera module, the gas detection sensor, the mainboard and the memory module cavity；
The upper housing is equipped with one for assembling the windshield mounting hole of the air inlet windshield, and air inlet windshield is fixed on the windshield
In mounting hole, the air inlet windshield is equipped with air-inlet grille；
The supply fan is installed on the back side of the air inlet windshield；
The camera module is installed on the upper housing, and the upper housing is equipped with camera hole, the camera module
Camera is fixed in the camera hole；
The gas detection sensor is catalysis oxidation type combustible gas sensor；
The mainboard and the memory module are individually fixed in the lower case, and the mainboard includes analog-digital converter and compares
Device, the gas detection sensor are electrically connected with the analog-digital converter, and the analog-digital converter is electrically connected with the comparator,
The comparator is electrically connected with the camera module, and inflammable volatile gases concentration threshold is stored in the comparator；Institute
State camera module and memory module electrical connection；The mainboard connects external power supply, and external power supply is to the mainboard, described
Supply fan and camera module power supply.
2. the inflammable volatile matter according to claim 1 with face snap function monitors safety check instrument, which is characterized in that described
The top of upper housing is equipped with air outlet grate；The upper housing is the arc shell to arch upward outward, and the air inlet windshield tilts upwards
Ground is installed on the downside of the upper housing, and the air-inlet grille is oppositely arranged with the air outlet grate.
3. the inflammable volatile matter according to claim 2 with face snap function monitors safety check instrument, which is characterized in that described
Gas detection sensor is installed on the position for facing the air-inlet grille.
4. the inflammable volatile matter according to claim 3 with face snap function monitors safety check instrument, which is characterized in that described
Supply fan is fan, and the surrounding of the pedestal of the supply fan is respectively equipped with multiple fan mounting holes, it is described into
The back side of gas windshield is equipped with multiple fan mounting posts, and multiple screws are each passed through the fan mounting holes and are tightened in the fan
In mounting post.
5. the inflammable volatile matter according to claim 4 with face snap function monitors safety check instrument, which is characterized in that described
Air inlet windshield is subcircular, and the periphery at the air inlet windshield back side is equipped with multiple outer buckles, the outer buckle include with it is described into
The fixed linking arm of gas windshield and the claw by the linking arm outward bending；It is equipped on the inside of the windshield mounting hole of the upper housing
The multiple and described outer matched interior buckle of buckle, when the outer buckle is with the interior buckle face, the air inlet windshield can be pressed
Enter the windshield mounting hole, the claw of the outer buckle is made to resist the interior buckle.
6. the inflammable volatile matter according to claim 5 with face snap function monitors safety check instrument, which is characterized in that multiple
The outer buckle is symmetrically distributed in the air inlet windshield.
7. the inflammable volatile matter according to claim 5 with face snap function monitors safety check instrument, which is characterized in that described
The inside edge of windshield mounting hole is formed at interval there are two positive stop strip；The edge of the air inlet windshield is equipped with obliquely indent
Annular transitional face, there are two place-limited edges for the bead formed on back in the annular transitional face, when the outer buckle blocks the interior card
When button, two place-limited edges are against on two opposite inner sidewalls of the positive stop strip.
8. the inflammable volatile matter according to claim 2 with face snap function monitors safety check instrument, which is characterized in that described
It is set inside upper housing there are four camera module mounting post, the camera module mounting post is equipped with internal screw thread；The camera
There are four camera mounting hole, screw passes through the camera mounting hole and is tightened in the camera module peace for the quadrangle of module
It fills on column.
9. the inflammable volatile matter according to claim 2 with face snap function monitors safety check instrument, which is characterized in that described
Voice guard is installed, the mainboard is electrically connected with the voice guard on mainboard.
10. the inflammable volatile matter according to claim 2 with face snap function monitors safety check instrument, which is characterized in that institute
It states the lower case back side and is fixed with the first mounting bracket that end face is arc groove, first mounting bracket has been bolted
End face is the second mounting bracket of arc groove, the arc groove enclosing of second mounting bracket and first mounting bracket
At with the matched cylindrical hole of the handrail of automobile.
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| CN201910031300.9A CN109709279A (en) | 2019-01-14 | 2019-01-14 | A kind of inflammable volatile matter monitoring safety check instrument with face snap function |
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| CN201910031300.9A CN109709279A (en) | 2019-01-14 | 2019-01-14 | A kind of inflammable volatile matter monitoring safety check instrument with face snap function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514786A (en) * | 2019-08-02 | 2019-11-29 | 杨国丽 | A kind of multi-functional gas sensor |
| CN111726572A (en) * | 2020-01-14 | 2020-09-29 | 灞卞嘲 | Instruction signal triggering-based associated personnel locking platform and method |
| CN112633057A (en) * | 2020-11-04 | 2021-04-09 | 北方工业大学 | Intelligent monitoring method for abnormal behaviors in bus |
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