CN105044109A - Gas concentration sensing device for article protection and burglary prevention - Google Patents
Gas concentration sensing device for article protection and burglary prevention Download PDFInfo
- Publication number
- CN105044109A CN105044109A CN201510406737.8A CN201510406737A CN105044109A CN 105044109 A CN105044109 A CN 105044109A CN 201510406737 A CN201510406737 A CN 201510406737A CN 105044109 A CN105044109 A CN 105044109A
- Authority
- CN
- China
- Prior art keywords
- gas
- air chamber
- gas concentration
- sensing device
- concentration sensing
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a gas concentration sensing device for article protection and burglary prevention. In the prior art, the sensing modes for article burglary prevention protection include light, electromagnetism, machinery, video images, gravity and vibration, etc., and the machinery and video image burglary prevention are commonly used. Machinery burglary prevention usually adopts safety boxes and the like, and safety box burglary prevention has the disadvantages of high process and incapability of real-time monitoring. The gas concentration sensing device for article protection and burglary prevention provided by the invention consists of a sealed container, a gas detection apparatus, a communicating pipe, a telescope observation element and a photoelectric image detecting element. The sealed container is in connection with the gas detection apparatus through the communicating pipe, the telescope observation element is corresponding to the gas detection apparatus and has a detection window for displaying the gas concentration change, and the photoelectric image detecting element converts the image of the detection window into an image signal and outputs the signal. The gas concentration sensing device provided by the invention has the advantages of reasonable structure design, low cost and good secrecy, and can conduct real-time monitoring.
Description
Technical field
The present invention relates to a kind of gas concentration sensing device antitheft for article protection, for detecting unpacking or opening the action of box of the container of storing articles.
Background technology
At present, the sensing mode of the anti-theft protection of known article protection has optical, electrical magnetic, machinery, video image, gravity and vibration etc.Wherein comparatively conventional is the antitheft of mechanical type and video image formula.What mechanical type anti-theft adopted usually is safety cabinet etc., and safety cabinet is antitheft, and to have price higher, can not carry out the shortcoming of monitoring in real time.
Authorized announcement date is on 05 20th, 2015, and Authorization Notice No. is in the Chinese patent of CN204350193U, discloses a kind of anti-robbery anti-theft security system for Jin Dian, jeweler's shop, it is characterized in that: comprise, supervising device, for picture in real-time Control Room; Be placed in indoor safety feature, for indoor occupant provides safeguard protection; And, be placed in indoor display cabinet, provide safeguard protection for exhibiting product and for product.Wherein supervising device generally includes some cameras, and camera is arranged on indoor, and thus it is easy to be discovered, disguised poor, can not be satisfied with some specific theft-proof requirement.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, cost is lower, and crypticity is good, can carry out the gas concentration sensing device antitheft for article protection of monitoring in real time.
The present invention's adopted technical scheme that solves the problem is: this is used for the antitheft gas concentration sensing device of article protection, it is characterized in that: by closed container, gas-detecting device, cross over pipe, element observed by telescope and photoelectric image detecting element forms; Described closed container is connected with gas-detecting device by cross over pipe, it is corresponding with gas-detecting device and have one for showing the detection window that gas concentration changes that element observed by described telescope, and the image of detection window is converted into picture signal and exports by described photoelectric image detecting element.During use; being placed on by article in closed container and arranging blanket gas in closed container, closed container observed out by element air pressure change by gas-detecting device observed by telescope, and presents in the form of images; photoelectric image detecting element is transferred to picture signal and is exported; by observing the change of picture signal, just can judge the opening action of closed container, said structure is simple; cost is lower; better disguised, not easily discovered, user can monitor in real time.
Gas-detecting device of the present invention comprises standard air chamber, blanket gas air chamber, light source, level crossing, refractive prism and catoptron, described blanket gas air chamber is communicated with closed container by cross over pipe, described level crossing has first surface and second surface, described light source is used for sending light beam, this light beam is after the first surface of level crossing and the reflection of second surface, reflected light are restrainted in formation two and this two bundles reflected light difference correspondence passes standard air chamber and blanket gas air chamber, this two bundles reflected light (is reflected respectively by refractive prism and passes corresponding standard air chamber and blanket gas air chamber, again through flat mirror reflects to catoptron, this two bundles reflected light back is observed element to telescope by described catoptron, the interference of light striped of the detection window display reflected light of element observed by described telescope.Light source forms two bundle reflected light via flat mirror reflects; this two bundles reflected light also finally pools together respectively by standard air chamber and blanket gas air chamber; form interference of light striped; when closed container is opened; the concentration of the blanket gas in closed container changes; thus the gas concentration in blanket gas air chamber also changes; thus when making reflected light pass blanket gas air chamber; its refractive direction deflects; interference of light striped is changed, and the detection window that element observed by telescope observes interference of light striped.
The present invention also comprises condenser, and described condenser is arranged between light source and level crossing.Condenser for assembling light beam, and makes beam projection on level crossing, penetrates intensity to obtain good light, makes final interference of light striped comparatively obvious, convenient identification.
The present invention also comprises air pump, and described air pump is arranged on cross over pipe.Air pump flows for the gas accelerated between closed container and blanket gas air chamber, can reflect the pressure reduction that the opening action of closed container is adjoint in time.
The present invention compared with prior art, have the following advantages and effect: structure is simple, reasonable in design, during use, article to be placed in closed container and blanket gas is set in closed container, closed container observed out by element gas concentration change by gas-detecting device observed by telescope, and present in the form of images, photoelectric image detecting element is transferred to picture signal and is exported, by observing the change of picture signal, just the opening action of closed container can be judged, said structure is simple, cost is lower, better disguised, not easily discovered, user can monitor in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas concentration sensing device antitheft for article protection in the embodiment of the present invention.
Fig. 2 is the structural representation of gas-detecting device.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1.
See Fig. 1 to Fig. 2, the gas concentration sensing device antitheft for article protection of the present embodiment is made up of closed container 1, gas-detecting device 5, cross over pipe 4, telescope observation element 13 and photoelectric image detecting element 14.Wherein the container not easily moved selected by closed container 1.
Closed container 1 in the present embodiment is connected with gas-detecting device 5 by cross over pipe 4, it is corresponding with gas-detecting device 5 and have one for showing the detection window 15 that gas concentration changes that element 13 observed by telescope, and the image of detection window 15 is converted into picture signal and exports by photoelectric image detecting element 14.During use; being placed on by article in closed container 1 and arranging blanket gas in closed container 1, closed container 1 observed out by element 13 gas concentration change by gas-detecting device 5 observed by telescope, and presents in the form of images; photoelectric image detecting element 14 is transferred to picture signal and is exported; by observing the change of picture signal, just can judge the opening action of closed container 1, said structure is simple; cost is lower; better disguised, not easily discovered, user can monitor in real time.
Gas-detecting device 5 in the present embodiment comprises standard air chamber 7, blanket gas air chamber 8, light source 11, level crossing 6, refractive prism 9 and catoptron 12, blanket gas air chamber 8 is communicated with closed container 1 by cross over pipe 4, described level crossing 6 has first surface 61 and second surface 62, light source 11 is for sending light beam 11a, this light beam 11a is after the first surface 61 of level crossing 6 and the reflection of second surface 62, reflected light 11b are restrainted in formation two and this two bundles reflected light 11b difference correspondence passes standard air chamber 7 and blanket gas air chamber 8, this two bundles reflected light 11b is reflected respectively by refractive prism 9 and passes corresponding standard air chamber 7 and blanket gas air chamber 8, catoptron 12 is reflexed to again through level crossing 6, this two bundles reflected light 11b is reflexed to telescope and observes element 13 by catoptron 12, the detection window 15 of telescope observation element 13 shows the interference of light striped of reflected light 11b.Light source 11 reflects to form two bundle reflected light 11b via level crossing 6, this two bundles reflected light 11b also finally pools together respectively by standard air chamber 7 and blanket gas air chamber 8, form interference of light striped, when closed container 1 is opened, the concentration of the blanket gas in closed container 1 changes, thus the gas concentration in blanket gas air chamber 8 also changes, thus when making reflected light 11b through blanket gas air chamber 8, its refractive direction deflects, interference of light striped is changed, the detection window 15 that element 13 observed by telescope observes interference of light striped.
Standard air chamber 7 in the present embodiment is consistent with the optical path length of blanket gas air chamber 8.
During use, can select gas according to the actual requirements, the gas of selection can have crypticity by water white transparency, can select different gas and the different concentration of same gas.
The present embodiment also comprises condenser 10, and condenser 10 is arranged between light source 11 and level crossing 6.Condenser 10 for assembling light beam 11a, and makes light beam 11a project on level crossing 6, penetrates intensity to obtain good light, makes final interference of light striped comparatively obvious, convenient identification.
The present embodiment also comprises air pump 17, and air pump 17 is arranged on cross over pipe 4.Air pump 17 flows for the gas accelerated between closed container and blanket gas air chamber 8, can reflect the pressure reduction that the opening action of closed container is adjoint in time.
Above content described in this instructions is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of instructions of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (4)
1. for the gas concentration sensing device that article protection is antitheft, it is characterized in that: by closed container, gas-detecting device, cross over pipe, element observed by telescope and photoelectric image detecting element forms; Described closed container is connected with gas-detecting device by cross over pipe, it is corresponding with gas-detecting device and have one for showing the detection window that gas concentration changes that element observed by described telescope, and the image of detection window is converted into picture signal and exports by described photoelectric image detecting element.
2. the gas concentration sensing device antitheft for article protection according to claim 1, it is characterized in that: described gas-detecting device comprises standard air chamber, blanket gas air chamber, light source, level crossing, refractive prism and catoptron, described blanket gas air chamber is communicated with closed container by cross over pipe, described level crossing has first surface and second surface, described light source is used for sending light beam, this light beam is after the first surface of level crossing and the reflection of second surface, reflected light are restrainted in formation two and this two bundles reflected light difference correspondence passes standard air chamber and blanket gas air chamber, this two bundles reflected light is reflected respectively by refractive prism and passes corresponding standard air chamber and blanket gas air chamber, again through flat mirror reflects to catoptron, this two bundles reflected light back is observed element to telescope by described catoptron, the interference of light striped of the detection window display reflected light of element observed by described telescope.
3. the gas concentration sensing device antitheft for article protection according to claim 2, is characterized in that: also comprise condenser, and described condenser is arranged between light source and level crossing.
4. the gas concentration sensing device antitheft for article protection according to claim 1 and 2, is characterized in that: also comprise air pump, and described air pump is arranged on cross over pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510406737.8A CN105044109A (en) | 2015-07-10 | 2015-07-10 | Gas concentration sensing device for article protection and burglary prevention |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510406737.8A CN105044109A (en) | 2015-07-10 | 2015-07-10 | Gas concentration sensing device for article protection and burglary prevention |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105044109A true CN105044109A (en) | 2015-11-11 |
Family
ID=54450822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510406737.8A Pending CN105044109A (en) | 2015-07-10 | 2015-07-10 | Gas concentration sensing device for article protection and burglary prevention |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105044109A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105784030A (en) * | 2016-02-29 | 2016-07-20 | 郑再峰 | Antitheft method of metering of gas ultrasonic flow meter |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2186398Y (en) * | 1993-11-01 | 1994-12-28 | 胡传镛 | Laser interference harmful gas monitoring end instrument |
JP2000046737A (en) * | 1998-07-29 | 2000-02-18 | Taiheiyo Tanko Kk | Apparatus and method for measurement of concentration of gas |
JP2001133403A (en) * | 1999-11-02 | 2001-05-18 | Nippon Sanso Corp | Method and apparatus for analysis of gas by semiconductor-laser multiple-reflection absorption spectroscopy |
CN201251546Y (en) * | 2008-09-01 | 2009-06-03 | 陈书乾 | Optical interference type methane measuring device |
JP2010197191A (en) * | 2009-02-25 | 2010-09-09 | Riken Keiki Co Ltd | Optical interference type gas concentration measuring device |
CN102288609A (en) * | 2011-07-18 | 2011-12-21 | 徐州奥奇光电科技有限公司 | On-line monitoring intelligent flame endoscope |
CN102507498A (en) * | 2011-10-24 | 2012-06-20 | 兖矿集团有限公司 | Measurement range enlarging use method of gas tester and corresponding novel gas tester |
CN202720190U (en) * | 2012-06-15 | 2013-02-06 | 重庆同博测控仪器有限公司 | Light path system of light interference gas detection device |
CN103411888A (en) * | 2013-08-27 | 2013-11-27 | 南京信息工程大学 | Gas concentration measuring method and measuring device |
CN104359861A (en) * | 2014-09-26 | 2015-02-18 | 中国石油大学(华东) | Light interference gas detection alarm device |
CN204390381U (en) * | 2014-12-06 | 2015-06-10 | 黑龙江建龙钢铁有限公司 | Storehouse security alarm |
-
2015
- 2015-07-10 CN CN201510406737.8A patent/CN105044109A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2186398Y (en) * | 1993-11-01 | 1994-12-28 | 胡传镛 | Laser interference harmful gas monitoring end instrument |
JP2000046737A (en) * | 1998-07-29 | 2000-02-18 | Taiheiyo Tanko Kk | Apparatus and method for measurement of concentration of gas |
JP2001133403A (en) * | 1999-11-02 | 2001-05-18 | Nippon Sanso Corp | Method and apparatus for analysis of gas by semiconductor-laser multiple-reflection absorption spectroscopy |
CN201251546Y (en) * | 2008-09-01 | 2009-06-03 | 陈书乾 | Optical interference type methane measuring device |
JP2010197191A (en) * | 2009-02-25 | 2010-09-09 | Riken Keiki Co Ltd | Optical interference type gas concentration measuring device |
CN102288609A (en) * | 2011-07-18 | 2011-12-21 | 徐州奥奇光电科技有限公司 | On-line monitoring intelligent flame endoscope |
CN102507498A (en) * | 2011-10-24 | 2012-06-20 | 兖矿集团有限公司 | Measurement range enlarging use method of gas tester and corresponding novel gas tester |
CN202720190U (en) * | 2012-06-15 | 2013-02-06 | 重庆同博测控仪器有限公司 | Light path system of light interference gas detection device |
CN103411888A (en) * | 2013-08-27 | 2013-11-27 | 南京信息工程大学 | Gas concentration measuring method and measuring device |
CN104359861A (en) * | 2014-09-26 | 2015-02-18 | 中国石油大学(华东) | Light interference gas detection alarm device |
CN204390381U (en) * | 2014-12-06 | 2015-06-10 | 黑龙江建龙钢铁有限公司 | Storehouse security alarm |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105784030A (en) * | 2016-02-29 | 2016-07-20 | 郑再峰 | Antitheft method of metering of gas ultrasonic flow meter |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108230553B (en) | Mirror image visual identification self-service vending machine system | |
CN100476570C (en) | Method and apparatus for inhibiting projection of selected areas of projected image | |
WO2020010835A1 (en) | Vending machine and control method therefor | |
US20160306062A1 (en) | Door assembly for an mri room | |
CN205494939U (en) | Take transparent display screen's isolation operation equipment | |
EP2624574A3 (en) | 3D glasses, display apparatus and control method thereof | |
CN206110964U (en) | A safety -protective door for on ATM cash dispenser | |
CN105044109A (en) | Gas concentration sensing device for article protection and burglary prevention | |
CN101777223B (en) | Financial self-service terminal and control method of safety zone thereof | |
ITFI20000186A1 (en) | VIDEO APPARATUS FOR DIAGNOSTICS OF AUTOMATIC POINTS OF SALE OF GOODS / OR SERVICES. | |
CN102543029A (en) | Display device and display control method thereof | |
CN207764890U (en) | A kind of self-service cabin | |
CN204498254U (en) | Based on the face identification device of binocular vision under monitoring scene | |
CN106595476A (en) | Spare and accessory part detecting method and device based on AR technology | |
CN205476624U (en) | Novel fitting room | |
CN205861574U (en) | A kind of video borescope | |
US20140379501A1 (en) | Pos system and method for operating a pos system | |
CN209328149U (en) | Watching shield cover and bank self-aid apparatus | |
CN204029106U (en) | A kind of fire detection alarm | |
CN202814659U (en) | An ethylene gas infrared imaging leakage detector | |
CN210015433U (en) | Self-service terminal based on air imaging and interaction | |
CN208056917U (en) | A kind of financial safety cabinet with warning function | |
CN103673575A (en) | Visible microwave dryer | |
CN104811668A (en) | Electronic peep hole system | |
CN202611526U (en) | Safe one-way transparent cat eye |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
|
WD01 | Invention patent application deemed withdrawn after publication |