CN208255437U - Multi-channel type explosive and drug detector - Google Patents
Multi-channel type explosive and drug detector Download PDFInfo
- Publication number
- CN208255437U CN208255437U CN201820833275.7U CN201820833275U CN208255437U CN 208255437 U CN208255437 U CN 208255437U CN 201820833275 U CN201820833275 U CN 201820833275U CN 208255437 U CN208255437 U CN 208255437U
- Authority
- CN
- China
- Prior art keywords
- light
- propagation channel
- light propagation
- fluorescence
- sample detection
- 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.)
- Active
Links
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model relates to detector fields, disclose multi-channel type explosive and drug detector, sample collecting apparatus includes air cavity, heater and micro air pump, air cavity one end is connect with heater, the air cavity other end is connect with micro air pump, first light propagation channel is connected to the second light propagation channel, it is connected in the one end in the first light propagation channel and the cavity of air cavity, detection device includes carrier, the front end of sample detection layer setting carrier, the other end of carrier is connect with the first light propagation channel removable seal, and sample detection layer is inserted in air cavity by carrier；Heater is equipped with air inlet pipe and detection entrance, and the quantity of sample detection layer is three；3 groups of fluorescence detection components are provided in first light propagation channel, the number of fluorescence detection component, the number of type and sample detection layer, type correspond；Light source is provided in second light propagation channel, light source enters the first light propagation ducts through the second light propagation channel.The present apparatus has many advantages, such as that detection is accurate, and investigative range is wide.
Description
Technical field
The utility model relates to unmanned probing devices, more particularly to multi-channel type explosive and drug detector.
Background technique
When fluorescence can be generated under irradiation of the high molecular material in LED or other blue-violet lights；When the micro steaming of explosive
Meeting delustring when vapour passes through fluorescence, therefore we detect explosive using this characteristic of high molecular material.Existing explosive
Detector, using frangible capillary glass tube formula optical waveguide, equipment volume is huge, and structure is complicated for built-in system, involves great expense, and
And it can not identify explosive.Therefore, simplify explosion item detector internal structure, reduce its manufacturing cost and identify explosive right and wrong
It is often necessary.
Patent No. " 201310478635.8 ", patent name are that the China of " a kind of explosive and drug detector " is practical
New patent provides relatively reasonable technical solution to solve above-mentioned technical problem, has structure simple, and sample replaces speed
The advantages that fast.But the technical solution still has following technical problem, the program is merely able to detect a kind of explosive or drugs,
And actual environment is complicated, it may be necessary to while a variety of explosives or drugs are detected, utility model people is practical new according to this
The shortcomings that type, provides a kind of detector of multi-channel type, to guarantee that detection is more accurate, detection range is wider.
Utility model content
The utility model is directed to the disadvantages of existing in the prior art, provides multi-channel type explosive and drugs detection
Device.
In order to solve the above technical problems, the utility model is addressed by following technical proposals:
Multi-channel type explosive and drug detector, including shell are provided with lightray propagation device, detection dress in shell
It sets, sample collecting apparatus and light-sensitive detector, lightray propagation device includes the first light propagation channel and the second light propagation channel,
Detection device includes interchangeable sample detection layer, and sample detection layer is light-sensitive material, and sample detection layer is under the irradiation of LED light
Fluorescence is generated, sample collecting apparatus includes air cavity, heater and micro air pump, and air cavity one end is connect with heater, and air cavity is another
End is connect with micro air pump, and the first light propagation channel is connected to the second light propagation channel, the one end in the first light propagation channel and gas
Connection in the cavity of chamber, detection device include carrier, and the front end of carrier, the other end of carrier and the first light is arranged in sample detection layer
Sample detection layer is inserted in air cavity by the connection of propagation ducts removable seal, carrier；Heater is equipped with air inlet pipe and detection
Entrance, the type at least two of sample detection layer and the non-interference front end for being independently arranged at carrier；First light propagation channel
Inside it is provided at least two groups fluorescence detection component, the number of fluorescence detection component, the number of type and sample detection layer, type one
One is corresponding；Light source is provided in second light propagation channel, light source is right into the first light propagation ducts through the second light propagation channel
Convergence is radiated at the fluorescence that different wave length is generated on different sample detection layers afterwards, and the fluorescence of different wave length is visited through corresponding fluorescence
It is radiated on light-sensitive detector after surveying component filters, the number of light-sensitive detector and the number of fluorescence detection component correspond；
By the substance of detection inlet steam sucking air cavity and sample detection layer fluorescence is occurred for explosive steam or drugs by micro air pump
Quenching reaction, light-sensitive detector detect corresponding fluorescence intensity change.The device sample detection layer different using multiple groups, from
And the detection of a variety of explosives or drugs can be completed, although multichannel single-chip microcontroller and place due to the data volume very little of curve
Function is very strong quickly for the speed of reason device, is independent of each other so the device mutually detects, and circuit board can be one piece, display screen
It is also possible to one, it can be to different material multi-section display.
Preferably, fluorescence detection component includes the first convergent lens, the first bandpass filter and the second convergent lens, it is glimmering
Light successively passes through the first convergent lens, the first bandpass filter, the second convergent lens and converges on light-sensitive detector.First band logical
Optical filter only penetrates the light of peak wavelength ± 5nm corresponding with explosive fluorescent quenching peak, so between different fluorescent quenchings
It is independent of each other.
Preferably, light source is violet light emitting diodes, third convergent lens, hair are additionally provided in the second light propagation channel
Glass, collimation lens, the second bandpass filter and the 4th convergent lens；It is opaque that the side of frosted glass emergent light is provided with black
The baffle of material, loophole is offered on baffle, and the point of orthographic projection of the loophole on frosted glass is the object of third convergent lens
Point, point locating for sample detection layer are the picture point of the 4th convergent lens；Light through light source emit successively by third convergent lens,
Frosted glass, loophole, collimation lens, the second bandpass filter, the 4th convergent lens are radiated on sample detection layer, sample detection
Layer issues fluorescence, and fluorescence enters fluorescence detection component.The LED light of transmitting is carried out diminution convergence by third convergent lens, reduces it
Light afterwards becomes the object point of a uniformly light-emitting by frosted glass, and the light of the object point is irradiated to collimation lens by loophole 24
25, obtain directional light.Since the light on frosted glass very uniform density is very high, according to light on the photosensitive material, also very uniform density is very
Height, also very uniform density is very high for the fluorescence discharged by light-sensitive material, this allows for the device being capable of quick detection trace explosives
And drugs.Second bandpass filter is short pass filter, and short pass filter filters out the wavelength light longer than LED light, and LED light is last
It is radiated on sample detection layer by the 4th convergent lens, the first bandpass filter is long pass filter, and long pass filter may filter that
The shorter LED light of wavelength, so, LED light will not be transferred to after the filtering of both too short pass filter, long pass filter
Light-sensitive detector,；And fluorescence can pass through the first convergent lens, the first bandpass filter and the second convergent lens convergent lens
It converges on light-sensitive detector.
Preferably, the first light propagation channel and the second light propagation channel are vertically arranged, the second light propagation channel is connected to
The one 45 degree point is provided in the junction in the middle part in the first light propagation channel, the second light propagation channel and the first light propagation channel
Beam piece, light source are violet light emitting diodes, and it is saturating that third convergent lens, frosted glass, collimation are additionally provided in the second light propagation channel
Mirror, the second bandpass filter, the side of frosted glass emergent light are provided with the baffle of the opaque material of black, offer on baffle
Unthreaded hole, the point of orthographic projection of the loophole on frosted glass are the object point of third convergent lens, and point locating for sample detection layer is the
The picture point of four convergent lenses；Light emits successively through light source by third convergent lens, frosted glass, loophole, collimation lens, the
Two bandpass filters, the one 45 degree of beam splitting chip, the first convergent lens are radiated on sample detection layer；The axis of fluorescence detection component
It is vertically arranged with the first light propagation channel, one-to-one 2nd 45 degree is additionally provided with fluorescent component in the first light propagation channel
Beam splitting chip, fluorescence through the one 45 degree of beam-splitting plate of the first convergent lens do not occur deviation direct projection to the 2nd 45 degree of beam splitting chip deviation into
Enter fluorescence detection component.Using this structure, the first light propagation channel and the second light propagation channel are to be vertically arranged, and processing is more
It is convenient.
Preferably, detection device further includes detecting device placing table, carrier is embedded in detecting device placing table and by cap
Lid is fixed and seals；Air cavity is equipped with isolation window, and isolation window is arranged above sample detection layer, is isolated on the outside of window and sets
It is equipped with anti-reflection film, isolation window 51 can guarantee that fluorescence enters the first light propagation channel, and anti-reflection film can prevent steam knot
The propagation of mist influence light.And replacement is convenient.
Preferably, carrier is aluminium bar.
Preferably, the front end of carrier is provided with capillary, the different zones of capillary tube inner wall are coated with different sample inspections
Layer is surveyed, the inside that sample detection layer is coated in capillary is led so that sample detection layer be avoided to be arrived during replacement by grazing
Cause fluorescence volume insufficient, so that detection is not sensitive enough.
Preferably, sample detection layer is light-sensitive material, the number of sample detection layer is three, and respectively nitro class is quick-fried
Fried object sample detection layer, per-compound explosive sample detection layer and drugs sample detection layer.So as to be detected simultaneously by
A variety of explosives and drugs.
Preferably, light-sensitive detector further includes circuit board and spectrum display instrument, light-sensitive detector includes photodiode
Or photomultiplier tube or snowslide pipe, fluorescence are focused at photodiode or photomultiplier tube or snowslide pipe through the second convergent lens
On, photodiode or photomultiplier tube or snowslide pipe are connect with circuit board point, photodiode or photomultiplier tube or snowslide
Pipe is connected by circuit board with spectrum display instrument.
The utility model by adopting the above technical scheme, has the advantages that
Provided by the utility model: light-sensitive detector can feed back different extinction curves onto spectrum display instrument,
People are facilitated to differentiate different detection substances；And the detector can detect a variety of dangerous goods simultaneously, greatly reduce inspection
Cost and the device space are surveyed, detection speed is improved；Device is used for the coating of detection layers using capillary, can not only guarantee to examine
Surveying layer is not in scrape, and removes extraneous influence from, improves service life, and can reduce the section variable area of detection layers, makes
Light is obtained to be more easier to converge.45 degree of beam splitting chips, short pass filter, long pass filter can filter LED light, make light-sensitive detector
On receive only fluorescence, reach high signal-to-noise ratio；Heater can make the explosive for not generating preventing trace amount of steam generate micro steaming
Vapour；Sample detection layer is fixed on carrier, by replacing carrier, the replacement of realization sample detection layer that can be simple and quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of Fig. 1 isolation window；
Fig. 3 is the structural schematic diagram of 2 capillary of embodiment；
Fig. 4 is the structural schematic diagram of embodiment 3.
Appended drawing reference in figure corresponds to following technical name: the 1-the first light propagation channel, the 2-the second light propagation channel,
65-sample detection layers, 5-air cavitys, 4-micro air pumps, 61-carriers, 3-heaters, 31-air inlet pipe, 32-detect into
Mouth, 21-light sources, 85-light-sensitive detectors, the 73-the first convergent lens, the 74-the first bandpass filter, 76-the second are assembled thoroughly
Mirror, 22-third convergent lenses, 23-frosted glass, 24-loopholes, 25-collimation lenses, the 26-the second bandpass filter,
27-the four convergent lens, 14-the one 45 degree of beam splitting chip, 69-the 2 45 degree of beam splitting chip, 62-mounting tables.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Embodiment 1
As depicted in figs. 1 and 2, multi-channel type explosive and drug detector, including shell, the transparent metal in shell tail portion
Shell, lightray propagation device, detection device, sample collecting apparatus and light-sensitive detector 85 are provided in shell, and optical signal passes
Broadcasting device includes the first light propagation channel 1 and the second light propagation channel 2, and detection device includes interchangeable sample detection layer 65,
Sample detection layer 65 is light-sensitive material, and sample detection layer 65 generates fluorescence under the irradiation of LED light, and sample collecting apparatus includes gas
Chamber 5, heater 3 and micro air pump 4,5 one end of air cavity are connect with heater 3, and 5 other end of air cavity is connect with micro air pump 4, and first
Light propagation channel 1 is connected to the second light propagation channel 2, is connected to, is examined in the one end in the first light propagation channel 1 and the cavity of air cavity 5
Surveying device includes carrier 61, and the front end of carrier 61, the other end of carrier 61 and the first light propagation channel 1 is arranged in sample detection layer 65
Sample detection layer 65 is inserted in air cavity 5 by removable seal connection, carrier 61；Heater 3 is equipped with air inlet pipe 31 and detection
Entrance 32, the type of sample detection layer 65 are three kinds and the non-interference front end for being independently arranged at carrier 61；First light propagation
Three groups of fluorescence detection components, the one-to-one correspondence of fluorescence detection component and sample detection layer 65 are provided in channel 1；Second light propagation
Light source 21 is provided in channel 2, light source 21 enters the first then convergence irradiation of light propagation ducts 1 through the second light propagation channel 2
The fluorescence of different wave length is generated on different sample detection layers 65, the fluorescence of different wave length is through corresponding fluorescence detection component mistake
It is radiated at after filter on light-sensitive detector 85, the number of light-sensitive detector 85 and the number of fluorescence detection component correspond；It is miniature
Air pump 4 explosive steam or drugs is occurred by the substance of 32 steam of detection entrance sucking air cavity 5 and sample detection layer 65 glimmering
Optical quenching reaction, light-sensitive detector 85 detect corresponding fluorescence intensity change, and the gas of extraction is discharged by gas outlet 41, air cavity
The gas of reduction is supplemented by air inlet pipe 31 in 5, if explosive or drugs are non-volatile at normal temperature, starts heating
Device 3 is heated, so that detector accurate judgement.
Three groups of fluorescent components are arranged in parallel in the first light propagation channel 1, and fluorescence detection component includes the first convergent lens
73, the first bandpass filter 74 and the second convergent lens 76, fluorescence successively pass through the first convergent lens 73, the first bandpass filter
74, the second convergent lens 76 converges on light-sensitive detector 85, wherein the first light propagation channel 1 and the second light propagation channel 2 are in
Certain angle setting, first light propagation channel 1 are connected to the one end in the second light propagation channel 2, and the carrier 61 is arranged
In the junction in the first light propagation channel 1 and the second light propagation channel 2.Light source 21 is violet light emitting diodes, the second light propagation
Third convergent lens 22, frosted glass 23, collimation lens 25, the second bandpass filter 26 and the 4th is additionally provided in channel 2 to assemble
Lens 27；The side of 23 emergent light of frosted glass is provided with the baffle of the opaque material of black, offers loophole 24 on baffle, thoroughly
The point of orthographic projection of the unthreaded hole 24 on frosted glass 23 is the object point of third convergent lens 22, and point locating for sample detection layer 65 is the
The picture point of four convergent lenses 27；Light through light source 21 emit successively by third convergent lens 22, frosted glass 23, loophole 24,
Collimation lens 25, the second bandpass filter 26, the 4th convergent lens 27 are radiated on sample detection layer 65, and sample detection layer 65 is sent out
Fluorescence out, fluorescence enter fluorescence detection component, are focused on light-sensitive detector 85 through fluorescence detection component, and detection device further includes
Detecting device placing table 6, carrier 61 are embedded in detecting device placing table 6 and are fixed and sealed by cap 62；Air cavity 5 be equipped with every
From window 51, window 51 is isolated and is arranged above sample detection layer 65, the outside of isolation window 51 is provided with anti-reflection film 52.It is anti-reflection
Film 52 can prevent the condensation of water mist, because the temperature difference inside and outside air cavity 5 can generate water mist during heating.
Second bandpass filter 23 is short pass filter, and short pass filter filters out the wavelength light longer than LED light, LED light
It is finally radiated on sample detection layer 65 by the 4th convergent lens 27, the first bandpass filter 74 is long pass filter, long logical filter
Mating plate may filter that the shorter LED light of wavelength, so, LED light is incited somebody to action after the filtering of both too short pass filter, long pass filter
Light-sensitive detector 85 will not be transferred to；And fluorescence can pass through the first convergent lens 73, the first bandpass filter 74 and second
Convergent lens 76 converges on light-sensitive detector 85.
The carrier 61 is aluminium bar, and sample detection layer 65 is light-sensitive material, and sample detection layer is 3, respectively nitro
Class explosive sample detection layer 65, per-compound explosive TATP sample detection layer 65 and drugs sample detection layer 65, apply
It overlays on aluminium bar.
Light-sensitive detector 85 further includes circuit board 80 and spectrum display instrument 90, light-sensitive detector 85 include photodiode or
Photomultiplier tube or snowslide pipe, fluorescence are focused at photodiode or photomultiplier tube or snowslide pipe through the second convergent lens 76
On, photodiode or photomultiplier tube or snowslide pipe are connect with 80 points of circuit board, photodiode or photomultiplier tube or snow
Collapse pipe and be connected with spectrum display instrument 90 by circuit board 80, three photodiode photo diodes or photomultiplier tube or
Snowslide pipe connects the same circuit board 80, and electric signal is shown on spectrum display instrument 90 in the form of waveform.
The overall process of the device is that light source 21 emits light and is focused on sample survey layer through the second light propagation channel 2,
To generate the fluorescence of different wave length, fluorescence and remaining LED light are through the fluorescence detection component filters in the first light propagation channel 1
Afterwards, fluorescence passes through, and extra LED light is filtered, and fluorescence is finally focused on light-sensitive detector 85, and optical signal is converted to electric signal
It is shown in the form of waveform on spectrum display instrument 90 again, when the steam that drugs or explosive generate is entered by detection entrance 32
Quenching reaction occurs with corresponding sample detection layer in air cavity 5, so that corresponding fluorescence intensity changes, it is aobvious to be shown in spectrum
Show on instrument 90 to be that waveform changes, user is facilitated to judge.
Embodiment 2
As shown in figure 3, being in place of the present embodiment and the difference of embodiment 1, the front end of carrier 61 is provided with capillary
610, the different zones of 610 inner wall of capillary are coated with different sample detection layers 65, the simpler convenience of optically focused, and sample and examine
Surveying layer 65 not will receive external scraping, and service life is more long.
Embodiment 3
As shown in figure 4, being in place of the present embodiment and the difference of embodiment 1, the first light propagation channel 1 and the second light propagation
T-shape is vertically arranged between channel 2.First light propagation channel 1 and the second light propagation channel 2 are vertically arranged, the second light propagation
Channel 2 is connected to the middle part in the first light propagation channel 1, sets in the junction in the second light propagation channel 2 and the first light propagation channel 1
It is equipped with the one 45 degree of beam splitting chip 14, light source 21 is violet light emitting diodes, and third convergence is additionally provided in the second light propagation channel 2
Lens 22, frosted glass 23, collimation lens 25, the second bandpass filter 26, the side of 23 emergent light of frosted glass are provided with black not
The baffle of light-transmitting materials, loophole 24 is offered on baffle, and the point of orthographic projection of the loophole 24 on frosted glass 23 is third meeting
The object point of poly- lens 22, point locating for sample detection layer 65 are the picture point of the 4th convergent lens 27；Light through light source 21 emit according to
It is secondary to pass through third convergent lens 22, frosted glass 23, loophole 24, collimation lens 25,26, the 1st degree points of the second bandpass filter
Beam piece 14, the first convergent lens 73 are radiated on sample detection layer 65；The axis of fluorescence detection component and the first light propagation channel 1
It is vertically arranged, is additionally provided in the first light propagation channel 1 and the one-to-one 2nd 45 degree of beam splitting chip 69 of fluorescent component, fluorescence warp
Deviation direct projection does not occur and enters fluorescence to the 2nd 45 degree of 69 deviation of beam splitting chip for first the one 45 degree of convergent lens 73 beam-splitting plate 14
Probe assembly makees the first convergent lens 73 by the use for eliminating the 4th convergent lens 27 in embodiment 1 in the present embodiment
It carries out for two lens using to reduce the use of lenticular unit number.The difference technical solution that the present embodiment is described
It is equally applicable to embodiment 2.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (9)
1. multi-channel type explosive and drug detector, including shell, lightray propagation device, detection dress are provided in shell
It sets, sample collecting apparatus and light-sensitive detector (85), it is characterised in that: lightray propagation device includes the first light propagation channel
(1) and the second light propagation channel (2), detection device include interchangeable sample detection layer (65), and sample detection layer (65) is light
Quick material, sample detection layer (65) generate fluorescence under the irradiation of LED light, and sample collecting apparatus includes air cavity (5), heater
(3) it being connect with micro air pump (4), air cavity (5) one end with heater (3), air cavity (5) other end is connect with micro air pump (4), the
One light propagation channel (1) is connected to the second light propagation channel (2), the one end in the first light propagation channel (1) and the cavity of air cavity (5)
Interior connection, detection device include carrier (61), and the front end of carrier (61), the other end of carrier (61) is arranged in sample detection layer (65)
It is connect with first light propagation channel (1) removable seal, sample detection layer (65) is inserted in air cavity (5) by carrier (61)；Add
Hot device (3) is equipped with air inlet pipe (31) and detects entrance (32), the type at least two of sample detection layer (65) and non-interference
The front end for being independently arranged at carrier (61)；At least two groups fluorescence detection component, fluorescence are provided in first light propagation channel (1)
The number of probe assembly, the number of type and sample detection layer (65), type correspond；It is set in second light propagation channel (2)
It is equipped with light source (21), light source (21) enters the first light propagation ducts (1) and then converge through the second light propagation channel (2) to be radiated at
The fluorescence of different wave length is generated on different sample detection layers (65), the fluorescence of different wave length is through corresponding fluorescence detection component mistake
It is radiated at after filter on light-sensitive detector (85), the number of light-sensitive detector (85) and the number of fluorescence detection component correspond；
Micro air pump (4) is by explosive steam or drugs by detection entrance (32) steam sucking air cavity (5) and sample detection layer (65)
Substance fluorescent quenching reaction occurs, light-sensitive detector (85) detects corresponding fluorescence intensity change.
2. multi-channel type explosive according to claim 1 and drug detector, it is characterised in that: fluorescence detection component packet
It includes the first convergent lens (73), the first bandpass filter (74) and the second convergent lens (76), fluorescence and successively passes through the first convergence
Lens (73), the first bandpass filter (74), the second convergent lens (76) converge on light-sensitive detector (85).
3. according to multi-channel type explosive as claimed in claim 2 and drug detector, it is characterised in that: light source (21) is purple hair
Optical diode, be additionally provided in the second light propagation channel (2) third convergent lens (22), frosted glass (23), collimation lens (25),
Second bandpass filter (26) and the 4th convergent lens (27)；The side of frosted glass (23) emergent light is provided with the impermeable finish of black
The baffle of matter offers loophole (24) on baffle, and the point of orthographic projection of the loophole (24) on frosted glass (23) is third meeting
The object point of poly- lens (22), point locating for sample detection layer (65) are the picture point of the 4th convergent lens (27)；Light is through light source
(21) third convergent lens (22), frosted glass (23), loophole (24), collimation lens (25), the second band logical are successively passed through in transmitting
Optical filter (26), the 4th convergent lens (27) are radiated on sample detection layer (65), and sample detection layer (65) issues fluorescence, fluorescence
Into fluorescence detection component.
4. according to multi-channel type explosive as claimed in claim 2 and drug detector, it is characterised in that: the first light propagation channel
(1) it is vertically arranged with the second light propagation channel (2), the second light propagation channel (2) is connected in the first light propagation channel (1)
The one 45 degree of beam splitting chip (14), light are provided in the junction in portion, the second light propagation channel (2) and the first light propagation channel (1)
Source (21) is violet light emitting diodes, is additionally provided with third convergent lens (22), frosted glass in the second light propagation channel (2)
(23), the side of collimation lens (25), the second bandpass filter (26), frosted glass (23) emergent light is provided with the impermeable finish of black
The baffle of matter offers loophole (24) on baffle, and the point of orthographic projection of the loophole (24) on frosted glass (23) is third meeting
The object point of poly- lens (22), point locating for sample detection layer (65) are the picture point of the 4th convergent lens (27)；Light is through light source
(21) third convergent lens (22), frosted glass (23), loophole (24), collimation lens (25), the second band logical are successively passed through in transmitting
Optical filter (26), the one 45 degree of beam splitting chip (14), the first convergent lens (73) are radiated on sample detection layer (65)；Fluorescence detection
The axis of component is vertically arranged with the first light propagation channel (1), is additionally provided with and fluorescent component one in the first light propagation channel (1)
One corresponding 2nd 45 degree of beam splitting chip (69), fluorescence do not occur partially through the one 45 degree of beam-splitting plate (14) of the first convergent lens (73)
It rolls over direct projection and enters fluorescence detection component to the 2nd 45 degree of beam splitting chip (69) deviation.
5. according to multi-channel type explosive described in claim 1 and drug detector, it is characterised in that: detection device further includes inspection
It surveys device mounting table (6), carrier (61) is embedded in detecting device placing table (6) and is fixed by cap (62) and sealed；Air cavity (5)
It is equipped with isolation window (51), isolation window (51) setting is set on the outside of isolation window (51) above sample detection layer (65)
It is equipped with anti-reflection film (52).
6. according to any multi-channel type explosive and drug detector described in claim 1 to 5, it is characterised in that: carrier (61)
For aluminium bar.
7. according to any multi-channel type explosive and drug detector described in claim 1 to 5, it is characterised in that: carrier (61)
Front end be provided with capillary (610), the different zones of capillary (610) inner wall are coated with different sample detection layers (65).
8. according to any multi-channel type explosive and drug detector described in claim 1 to 5, it is characterised in that: sample detection
Layer (65) is light-sensitive material, and the number of sample detection layer (65) is three, respectively nitro explosive sample detection layer
(65), per-compound explosive (TATP) sample detection layer (65) and drugs sample detection layer (65).
9. multi-channel type explosive according to claim 1 and drug detector, it is characterised in that: light-sensitive detector (85)
It further include circuit board (80) and spectrum display instrument (90), light-sensitive detector (85) includes photodiode or photomultiplier tube or snow
Pipe is collapsed, fluorescence is focused on photodiode or photomultiplier tube or snowslide pipe through the second convergent lens (76), two pole of photoelectricity
Pipe or photomultiplier tube or snowslide pipe and circuit board (80) point connect, and photodiode or photomultiplier tube or snowslide pipe pass through electricity
Road plate (80) is connected with spectrum display instrument (90).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833275.7U CN208255437U (en) | 2018-05-31 | 2018-05-31 | Multi-channel type explosive and drug detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833275.7U CN208255437U (en) | 2018-05-31 | 2018-05-31 | Multi-channel type explosive and drug detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255437U true CN208255437U (en) | 2018-12-18 |
Family
ID=64651950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820833275.7U Active CN208255437U (en) | 2018-05-31 | 2018-05-31 | Multi-channel type explosive and drug detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255437U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668879A (en) * | 2019-01-30 | 2019-04-23 | 汉王科技股份有限公司 | Formaldehyde examination device |
| CN110272822A (en) * | 2019-06-06 | 2019-09-24 | 上海交通大学 | A kind of gene magnification real time fluorescent quantitative detection device and detection method |
| CN115791730A (en) * | 2022-11-30 | 2023-03-14 | 中船重工安谱（湖北）仪器有限公司 | Optical detection module for detecting trace drugs and explosives |
-
2018
- 2018-05-31 CN CN201820833275.7U patent/CN208255437U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668879A (en) * | 2019-01-30 | 2019-04-23 | 汉王科技股份有限公司 | Formaldehyde examination device |
| CN110272822A (en) * | 2019-06-06 | 2019-09-24 | 上海交通大学 | A kind of gene magnification real time fluorescent quantitative detection device and detection method |
| CN115791730A (en) * | 2022-11-30 | 2023-03-14 | 中船重工安谱（湖北）仪器有限公司 | Optical detection module for detecting trace drugs and explosives |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208255437U (en) | Multi-channel type explosive and drug detector | |
| US4945250A (en) | Optical read head for immunoassay instrument | |
| CN110121643A (en) | Systems for optical inspection, flow cytometer systems and its application method for flow cytometer | |
| CN110325830A (en) | Integrated irradiating and detecting flow cell for liquid chromatogram | |
| CN206270228U (en) | Fluorescence photometer with binary channels light path system | |
| CN105940292A (en) | Flow cytometer | |
| US20110147592A1 (en) | Arrangement adapted for spectral analysis of small concentrations of gas | |
| US4792689A (en) | Method for obtaining a ratio measurement for correcting common path variations in intensity in fiber optic sensors | |
| CN108828682A (en) | Multi-channel type explosive and drug detector | |
| JPH03503454A (en) | Optical reader for immunoassays | |
| CN106018330A (en) | Pocket-type near-infrared spectrometer | |
| CN103543476B (en) | A kind of explosive and drug detector | |
| CN105466821B (en) | Optical fiber dust particle sensor | |
| CN217237745U (en) | Miniature multichannel fluorescence detection system | |
| CN113720825B (en) | Optical instant detector and detection method and application | |
| CN209014458U (en) | A kind of integrating sphere photodetector and optical measuring system | |
| US11022489B2 (en) | Portable multi-spectrometry system for chemical and biological sensing in atmospheric air | |
| US2857801A (en) | Flame photometer | |
| CN208588682U (en) | Optical Synthetic test device for appreciation | |
| JPS61196204A (en) | Optical filter | |
| CN212301305U (en) | Multi-mode spectrum testing device | |
| CN208091899U (en) | A kind of optical fibre light splitting measuring system | |
| CN209372697U (en) | A kind of light transmitting device suitable for luminoscope | |
| CN208297349U (en) | The mercury detector of high measurement accuracy | |
| CN203551802U (en) | Detector for explosive and drugs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |