CN105928959A - Gradient warning device and safety detection device using gradient warning device - Google Patents
Gradient warning device and safety detection device using gradient warning device Download PDFInfo
- Publication number
- CN105928959A CN105928959A CN201610464272.6A CN201610464272A CN105928959A CN 105928959 A CN105928959 A CN 105928959A CN 201610464272 A CN201610464272 A CN 201610464272A CN 105928959 A CN105928959 A CN 105928959A
- Authority
- CN
- China
- Prior art keywords
- circuit
- output
- signal
- unit
- receives
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 23
- 230000003321 amplification Effects 0.000 claims abstract description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 238000011896 sensitive detection Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000005674 electromagnetic induction Effects 0.000 claims description 7
- 150000002843 nonmetals Chemical class 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 238000003384 imaging method Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 239000003086 colorant Substances 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 241000287181 Sturnus vulgaris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Geology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- High Energy & Nuclear Physics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to a gradient warning device and a safety detection device using the gradient warning device. The gradient warning device comprises an image display and processing unit, a sine wave generating unit, an enlarged current power amplification unit, an emitting coil unit, a receiving coil unit, a voltage boosting signal processing unit, an AD (analog-to-digital) sampling conversion unit and a warning execution unit. The gradient warning device has the two effects that (1) different warning colors can be shown through the warning execution unit, and correspond to gradients conforming to cross section areas of inspected metals, so that the gradient warning on the metals in different sizes can be realized; meanwhile, the warning execution unit gives out sound for warning; (2) an X ray transmission imaging technology of the safety detection device is used to perform the fast transmission scanning imaging; metal and nonmetal can be detected; the types of detected articles are many; the detection is overall; the inspection efficiency is high.
Description
Technical field
The present invention relates to field of safety check, particularly to a kind of gradient alarm and the safety detection device of application thereof.
Background technology
At present, the detection technique for personal safe protection that the whole world is used, such as X-ray transmission imaging technique,
Back scattering imaging technology, mm-wave imaging technology etc., be all to utilize imaging display device, makes the clothes on the person lose,
Under the setting off of human body contour outline, if the coin on the person, button, key, wrist-watch, jewelry etc. are it is apparent that conceal pistol, explode
The violated things such as bullet, dagger, drugs, cover all at one glance especially.Same, as baggages class article are also Detection results.Adopt
With imaging display techniques, its shortcoming is to need the staring display screen that stares at of security staff, and Detection results is by security staff
Decision-making ability determine, so, security staff subjects great operating pressure.
It addition, currently used relatively early, more be metal detector, by the electromagnetic induction of metal is sent
Sound and light alarm, detects the metal object entrained by people.It can detect the weapon in people, parcel and luggage, explosive etc. gold
Belong to the article of composition.It is easy to detect, and degree of accuracy is high, effective, it can only the article of detection metal ingredient, it is impossible to detection
Its area, shape, more cannot detect and judge non-metal kind dangerous goods.
Summary of the invention
It is an object of the invention to provide a kind of gradient alarm and the safety detection device of application thereof, can image display quilt
Inspection contoured article, identifies and gets rid of dangerous goods；Meanwhile, metal class checking matter is provided with the sound and light of alarm of gradient prompting,
And being highlighted of image, reminds security staff, it is achieved warning function.For achieving the above object, present invention employs following
Technical scheme:
A kind of gradient alarm, show including image and processing unit, sinusoidal wave generation unit, expand stream power amplification unit,
Ray coil unit, receiving coil unit, boost signal processing unit, AD sample conversion unit, warning performance element；
Described image shows and processing unit sets alarm threshold value, and output frequency is adjusted signal；
Described sinusoidal wave generation unit, receives image and shows and the frequency setting signal of processing unit output, and sine wave output is believed
Number；
The described stream power amplification unit that expands, the sine wave signal of reception sine wave generation unit output, export powerful sine
Ripple；
Described transmitting coil unit as carrier, receives and expands the high-power sine wave signal of stream power amplification unit output defeated
Go out；
The electromagnetic induction effect of transmitting coil unit and receiving coil unit, described receiving coil unit is utilized as carrier, to connect
Receive the electromagnetic induction signal that transmitting coil gives off, produce the small-signal of Noise；
Described boost signal processing unit, receives the small-signal of the Noise that receiving coil unit produces, and exports direct current letter
Number；
Described AD sample conversion unit, receives the direct current signal of boost signal processing unit, and output digit signals；
Described image shows and processing unit, receives the digital signal of AD sample conversion unit output, and output indication signal gives report
Alert performance element, meanwhile, utilizes image display function to carry out image alarm.
Further, described transmitting coil unit includes that transmitting coil, described receiving coil unit include that two are connected
Receiving coil, transmitting coil is around the receiving coil of two series connection；
Described boost signal processing unit, including differential amplifier circuit, the first filter circuit, audio frequency pre-amplification circuit, second
Filter circuit, phaselocked loop phase-sensitive detection circuit, active low-pass filter circuit, reverse add circuit, peak holding circuit, servo are anti-
Current feed circuit, Zero-cross comparator circuit, balanced output circuit；
Described differential amplifier circuit, the receiving coil receiving two series connection exports the signal of faint Noise, and exports merging
Sine wave signal for single channel；
Described first filter circuit, receive differential amplifier circuit output sine wave signal, and export filter hot-tempered tone signal after
Sine wave signal；
Described audio frequency pre-amplification circuit, receives the sine wave signal of the first filter circuit output, and is amplified output；
Described second filter circuit, receives the sine wave signal of audio frequency pre-amplification circuit output, and output filters hot-tempered sound again
After sine wave signal；
Described phaselocked loop phase-sensitive detection circuit, receives the sine wave signal of the second filter circuit output and exports；
Described active low-pass filter circuit, receives the sine wave signal of phaselocked loop phase-sensitive detection circuit output and exports；
Described reverse add circuit, receives the sine wave signal of active low-pass filter circuit output, exports direct current signal；
Described peak holding circuit, for keeping maximum DC voltage value convenient detected, receives the straight of reverse add circuit output
Stream signal also exports；
Described servo feedback circuit, for improving direct current signal stability, receives the direct current signal defeated of peak holding circuit output
Go out；
Described Zero-cross comparator circuit, for improving direct current signal stability, receives the direct current signal defeated of servo feedback circuit output
Go out；
Described balanced output circuit, for improving direct current signal stability, receives the direct current signal of Zero-cross comparator circuit output, output
Direct current signal is to AD sample conversion circuit.
A kind of safety detection device using described gradient alarm, also includes framework, lane device, transmitting X-ray
Penetrating source apparatus, the reception device of reception X-ray, described framework opposite face correspondence offers two ports, and described lane device is put
In two ports, fix and run through framework；
Described penetrate source apparatus and receive setting position and be relatively fixed in framework, and penetrating source apparatus and be positioned at the lower section of lane device；
Receiving device and be positioned at the top of lane device, be of an L-shaped structure shape, wherein one side is fixed along the side of lane device, another side
Parallel framework top；
Described lane device includes the first bracing frame group, the second bracing frame group, pulley mechanism and is positioned at below pulley mechanism
Non-metal board；Non-metal board is fixed in framework；First bracing frame group and the second bracing frame group are separately fixed at the two of framework
Side；Described pulley mechanism runs through framework, and is fixed in the first bracing frame group and the second bracing frame group；
The receiving coil of described transmitting coil and two series connection all embeds the upper surface of non-metal board；
Described image shows and processing unit, including penetrating source controller, industrial computer and display operating board, penetrates source controller and industry control
Machine is connected, and is respectively positioned in framework, the display operating board outside industrial computer line；
Described warning performance element includes that audible-visual annunciator, audible-visual annunciator are arranged in framework, and line is in industrial computer.
Further, described non-metal board material is epoxy resin material or nylon material.
Further, described pulley mechanism includes belt, tightens the first cylinder and the second tin roller of belt, described belt
Run through framework；
Described first bracing frame group, including two the first support bars of flat shape, the axle two ends of the first cylinder are respectively sleeved at two
On first support bar；Described second bracing frame group, including two parallel the second support bars, the axle two ends of second tin roller are overlapped respectively
It is located on two the second support bars；
Further, described lane device also includes four pieces of plate washers, described four pieces of plate washers respectively along two the first support bars and
Two the second support bars fixed above.
Further, described pulley mechanism also includes the first pinch roller and the second folder pinch roller；First clamping rolling
The axle two ends of cylinder are respectively sleeved on two the first support bars, and are positioned at below the first cylinder, and support belt outer rim；Described
The axle two ends of two pinch roller are respectively sleeved on the second support bar, and are positioned at below second tin roller, and support belt outer rim.
Further, described non-metal board is positioned at belt inner edge, or is positioned at below belt outer rim.
Further, described display operating board set gradient alarm threshold value and be conveyed to industrial computer, by industry control apparatus control
The warning color that audible-visual annunciator display sets, and blow a whistle.
Further, when described industrial computer detects set gradient alarm threshold value, make display operating board with setting
Color displays, prompting is reported to the police.
From above technical scheme, the invention has the beneficial effects as follows:
(1) two or more than two gradient alarm threshold values are set by display operating board so that it is move closer to tested metal object cross section
Area, and with the alarm threshold value set by different warning color display correspondences, can be judged and tested metal object by warning color
The gradient of area of section compatibility, meanwhile, triggers audible-visual annunciator and blows a whistle；It addition, utilize the color displays of display operating board, carry
Show that security staff has suspicious tested metal object.
(2) utilize X-ray transmission imaging technique, quickly have an X-rayed scanning imagery, metal and nonmetal, detectable substance kind can be surveyed
Class is many, and detection comprehensively, checks that efficiency is high.
(3) both sides of belt are provided with plate washer, it is to avoid the checking matter being placed on belt is from the landing of belt both sides.
Accompanying drawing explanation
Fig. 1 is the structure flow chart that in the present invention, gradient is reported to the police；
Fig. 2 is the structure flow chart of Fig. 1 boost signal processing unit；
Fig. 3 is the safety detection device structural representation of application gradient alarm；；
Fig. 4 is Fig. 3 internal structure schematic diagram and connects display operating board schematic diagram；
Fig. 5 is the structural representation of pulley mechanism；
Fig. 6 is the structural representation that transmitting coil and receiving coil embed non-metal board；
Fig. 7 is the another kind of structural representation that transmitting coil and receiving coil embed non-metal board.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings:
As it is shown in figure 1, a kind of gradient alarm, by the judgement to surveyed metal object area of section, set two or two with
On gradient alarm threshold value so that it is move closer to tested metal object actual cross-section area, and trigger warning performance element and make phase
The action prompt answered is reported to the police.Now its principle is explained.
A kind of gradient alarm, shows including image and processing unit 91, sinusoidal wave generation unit 92, expansion stream power amplification
Unit 93, transmitting coil unit 94, receiving coil unit 95, boost signal processing unit 96, AD sample conversion unit 97, warning
Performance element 98.
Its implementation is: shown by image and processing unit 91 sets alarm threshold value, and output frequency is adjusted signal；
Sinusoidal wave generation unit 92, receives image and shows and the frequency setting signal of processing unit 91 output, and sine wave output is believed
Number；
Expand stream power amplification unit 93, receive the sine wave signal of sinusoidal wave generation unit 92 output, export powerful sine
Ripple；
Transmitting coil unit 94 as carrier, receives and expands the high-power sine wave signal of stream power amplification unit 93 output defeated
Go out；
Utilize the electromagnetic induction effect of transmitting coil unit 94 and receiving coil unit 95, receiving coil unit 95 as carrier,
Receive the electromagnetic induction signal that transmitting coil 94 gives off, produce the small-signal of Noise；
Boost signal processing unit 96, receives the small-signal of the Noise that receiving coil unit 95 produces, and exports direct current letter
Number；
AD sample conversion unit 97, receives the direct current signal of boost signal processing unit 96, and output digit signals；
Image shows and processing unit 91, receives the digital signal of AD sample conversion unit 97 output, and output indication signal gives report
Alert performance element 98, meanwhile, utilizes images themselves display function to carry out image alarm.
As in figure 2 it is shown, wherein boost signal processing unit 96, including differential amplifier circuit the 910, first filter circuit 911,
Audio frequency pre-amplification circuit the 912, second filter circuit 913, phaselocked loop phase-sensitive detection circuit 914, active low-pass filter circuit
915, reverse add circuit 916, peak holding circuit 917, servo feedback circuit 918, Zero-cross comparator circuit 919, Differential Output
Circuit 920；
Differential amplifier circuit 910, the receiving coil 95 receiving two series connection exports the signal of faint Noise, and exports merging
Sine wave signal for single channel；
First filter circuit 911, receive differential amplifier circuit 910 output sine wave signal, and export filter hot-tempered tone signal after
Sine wave signal；
Audio frequency pre-amplification circuit 912, receives the sine wave signal of the first filter circuit 911 output, and is amplified output；
Second filter circuit 913, receives the sine wave signal of audio frequency pre-amplification circuit 912 output, and output filters hot-tempered again
Sine wave signal after sound；
Phaselocked loop phase-sensitive detection circuit 914, receives the sine wave signal of the second filter circuit 913 output and exports；
Active low-pass filter circuit 915, receives the sine wave signal of phaselocked loop phase-sensitive detection circuit 914 output and exports；
Reversely add circuit 916, receives the sine wave signal of active low-pass filter circuit 915 output, exports direct current signal；
Peak holding circuit 917, for keeping maximum DC voltage value convenient detected, receives the output of reverse add circuit 916
Direct current signal also exports；
Servo feedback circuit 918, for improving direct current signal stability, receives the direct current signal of peak holding circuit 917 output also
Output；
Zero-cross comparator circuit 919, for improving direct current signal stability, receives the direct current signal of servo feedback circuit 918 output also
Output；
Balanced output circuit 920, for improving direct current signal stability, receives the direct current signal of Zero-cross comparator circuit 919 output, defeated
Go out direct current signal to AD sample conversion circuit.
In conjunction with the principle of above-mentioned gradient alarm, existing correspondence illustrates with the safety detection device of above-mentioned alarm.
As shown in Fig. 3,4,5, a kind of safety detection device using gradient alarm, also include framework 1, the passage closed
Device 2, launch X-ray penetrate source apparatus 3, receive X-ray reception device 4, penetrate source controller 5, industrial computer 6, sound and light alarm
Device 7, display operating board 8.
Wherein, above-mentioned image shows and processing unit 91 i.e. includes penetrating source controller 5, industrial computer 6, display operating board 8；On
State warning performance element 98 and include audible-visual annunciator 7.
Described framework 1 opposite face correspondence offers two ports 11 and 12, and described lane device 2 is placed in two port 11 Hes
In 12, fix and run through framework 1；It is installed with sheet lead curtain 111 and 121 the most respectively at two ports 11 and 12, makes sheet lead curtain 111 He
121 hang down to lane device 1.Sheet lead curtain 111 and 121, because of the leaded effect with isolation X-ray, makes to penetrate source apparatus 3 and launches X and penetrate
Source will not be radiated outside framework 1, it addition, sheet lead curtain 111 and 121 is softer because of its material, the article on passage can be made still can to wear
More sheet lead curtain 111 and 121.
Penetrate source apparatus 3 and receive device 4 and be each attached in framework 1, and penetrating source apparatus 3 and be positioned at the lower section of lane device 2；Connect
Receiving apparatus 4 is positioned at the top of lane device 2, and is of an L-shaped structure shape, and wherein one side 41 is fixed along the side of lane device 2,
Another side 42 is parallel to framework 1 top.Wherein, being installed with fixing bar 43 in framework 1, the face 41 receiving device 4 leans on fixing bar
43, and by fixed block 44, make the face 41 of reception device 4 be fixed on fixing bar 43.
Knowable to above-mentioned, penetrate source apparatus 3 and answer position relative with receiving device 4, make reception device 4 to receive and penetrate source apparatus 3
Launch and pass the X-ray of lane device 2.Audible-visual annunciator 7 is arranged on 1 top in framework, and line is in industrial computer 6.Penetrate source
Controller 5 line industrial computer 6, is respectively positioned in framework 1, the display operating board 8 outside industrial computer 6 line.
Lane device 2 includes four pieces of plate washers the 20, first bracing frame group the 21, second bracing frame group 22, pulley mechanism 23 and
Being positioned at the non-metal board 24 below pulley mechanism 23, non-metal board 24 is fixed in framework 1.
Pulley mechanism 23 includes belt the 231, first cylinder 232, second tin roller the 233, first pinch roller 234 and second
Pinch roller 235, the first cylinder 232 and second tin roller 233 be tightened in two ends, belt 231 inner edge, and belt 231 runs through framework 1.
First bracing frame group 21 and the second bracing frame group 22 are separately fixed at the both sides of framework 1；First bracing frame group 21 is wrapped
Including two the first support bars 211 of flat shape, the axle two ends of the first cylinder 232 are respectively sleeved on two the first support bars 211, make
First cylinder 232 can rotate on two the first support bars 211.
Second bracing frame group 22 includes parallel two the second support bar 221, and the axle two ends of second tin roller 233 are the most sheathed
On two the second support bars 221, make second tin roller 233 can rotate on the second support bar 221.Four pieces of plate washers 20 are fixed respectively
On two the first support bars 211 and the second support bar 221, make the article being placed on belt 231 will not be from belt 231 both sides
Landing.In first cylinder 232 and second tin roller 233, any one can make drive roll connecting power device, and another is as driven
Cylinder.
It addition, the axle two ends of the first pinch roller 234 are respectively sleeved on two the first support bars 211, and it is positioned at first
Below cylinder 232, and support belt 231 outer rim；The axle two ends of the second pinch roller 235 are respectively sleeved at two the second support bars
On 221, and it is positioned at below second tin roller 233, and supports belt outer rim.
First pinch roller 234 and the second pinch roller 235 are all rotatable, and for clamping belt 231, make belt 231
Will not cause loose after a long time use, affect belt 231 conveying function.
Wherein, non-metal board 24 is placed in below belt 231 outer rim, and alternatively, non-metal board 24 is also placed in
In the middle of belt 231 inner edge.
As shown in Figure 6,7, non-metal board 24 surface is embedded with receiving coil 241 and the transmitting coil 242 of two series connection, connects
Take-up circle 241 is around two transmitting coils 242.From the foregoing, transmitting coil unit 94 includes two transmitting coils contacted
242, receiving coil unit 95 includes receiving coil 241.Non-metal board 24 material is epoxy resin material or nylon material, compares
Durable.Above-mentioned Fig. 6, shown in 7 be two kinds on non-metal board 24 of receiving coil 241 and two transmitting coils 242 not
Same arrangement mode.
As it has been described above, a kind of safety detection device applying above-mentioned gradient alarm, the following two kinds function can be realized:
(1) utilize X-ray transmission imaging technique, launched tested through on belt 231 and belt 231 of X-ray by penetrating source apparatus 3
Article, and be radiated to receive on device 4, display operating board 8 perspective imaging show, it is determined whether carry metal and nonmetal danger
Danger article.
(2) judgement to tested metal object area of section is first passed through, then, by setting two on display operating board 8
Individual or more than two alarm threshold values so that it is move closer to tested metal object area of section, set by difference warning color display correspondence
Fixed alarm threshold value, can be judged the gradient with tested metal object area of section compatibility by warning color, meanwhile, trigger acousto-optic report
Alert device 7 is blown a whistle；It addition, utilize display operating board 8 color displays, prompting security staff has suspicious tested metal object.
Embodiment described above is only to be described the preferred embodiment of the present invention, not the scope to invention
Being defined, on the premise of designing spirit without departing from the present invention, those of ordinary skill in the art are to technical scheme
The various deformation made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (10)
1. gradient alarm, it is characterised in that: include that image shows and processing unit, sinusoidal wave generation unit, expansion stream power are put
Big unit, transmitting coil unit, receiving coil unit, boost signal processing unit, AD sample conversion unit, warning perform list
Unit；
Described image shows and processing unit sets alarm threshold value, and output frequency is adjusted signal；
Described sinusoidal wave generation unit, receives image and shows and the frequency setting signal of processing unit output, and sine wave output is believed
Number；
The described stream power amplification unit that expands, the sine wave signal of reception sine wave generation unit output, export powerful sine
Ripple；
Described transmitting coil unit as carrier, receives and expands the high-power sine wave signal of stream power amplification unit output defeated
Go out；
The electromagnetic induction effect of transmitting coil unit and receiving coil unit, described receiving coil unit is utilized as carrier, to connect
Receive the electromagnetic induction signal that transmitting coil gives off, produce the small-signal of Noise；
Described boost signal processing unit, receives the small-signal of the Noise that receiving coil unit produces, and exports direct current letter
Number；
Described AD sample conversion unit, receives the direct current signal of boost signal processing unit, and output digit signals；
Described image shows and processing unit, receives the digital signal of AD sample conversion unit output, and output indication signal gives report
Alert performance element, meanwhile, utilizes image display function to carry out image alarm.
2. gradient alarm as claimed in claim 1, it is characterised in that:
Described transmitting coil unit includes that transmitting coil, described receiving coil unit include two receiving coils connected, and launches
The receiving coil of coil encircling two series connection；
Described boost signal processing unit, including differential amplifier circuit, the first filter circuit, audio frequency pre-amplification circuit, second
Filter circuit, phaselocked loop phase-sensitive detection circuit, active low-pass filter circuit, reverse add circuit, peak holding circuit, servo are anti-
Current feed circuit, Zero-cross comparator circuit, balanced output circuit；
Described differential amplifier circuit, the receiving coil receiving two series connection exports the signal of faint Noise, and exports merging
Sine wave signal for single channel；
Described first filter circuit, receive differential amplifier circuit output sine wave signal, and export filter hot-tempered tone signal after
Sine wave signal；
Described audio frequency pre-amplification circuit, receives the sine wave signal of the first filter circuit output, and is amplified output；
Described second filter circuit, receives the sine wave signal of audio frequency pre-amplification circuit output, and output filters hot-tempered sound again
After sine wave signal；
Described phaselocked loop phase-sensitive detection circuit, receives the sine wave signal of the second filter circuit output and exports；
Described active low-pass filter circuit, receives the sine wave signal of phaselocked loop phase-sensitive detection circuit output and exports；
Described reverse add circuit, receives the sine wave signal of active low-pass filter circuit output, exports direct current signal；
Described peak holding circuit, for keeping maximum DC voltage value convenient detected, receives the straight of reverse add circuit output
Stream signal also exports；
Described servo feedback circuit, for improving direct current signal stability, receives the direct current signal defeated of peak holding circuit output
Go out；
Described Zero-cross comparator circuit, for improving direct current signal stability, receives the direct current signal defeated of servo feedback circuit output
Go out；
Described balanced output circuit, for improving direct current signal stability, receives the direct current signal of Zero-cross comparator circuit output, output
Direct current signal is to AD sample conversion circuit.
3. the safety detection device of the gradient alarm that a kind uses described in claim 1 or 2, it is characterised in that: also include frame
Body, lane device, transmitting X-ray penetrate source apparatus, receive X-ray reception device, described framework opposite face correspondence offers
Two ports, described lane device is placed in two ports, fixes and runs through framework；
Described penetrate source apparatus and receive setting position and be relatively fixed in framework, and penetrating source apparatus and be positioned at the lower section of lane device；
Receiving device and be positioned at the top of lane device, and be of an L-shaped structure shape, wherein one side is fixed along the side of lane device, another
Parallel framework top, face；
Described lane device includes the first bracing frame group, the second bracing frame group, pulley mechanism and is positioned at below pulley mechanism
Non-metal board；Non-metal board is fixed in framework；First bracing frame group and the second bracing frame group are separately fixed at the two of framework
Side；Described pulley mechanism runs through framework, and is fixed in the first bracing frame group and the second bracing frame group；
The receiving coil of described transmitting coil and two series connection all embeds the upper surface of non-metal board；
Described image shows and processing unit, including penetrating source controller, industrial computer and display operating board, penetrates source controller and industry control
Machine is connected, and is respectively positioned in framework, the display operating board outside industrial computer line；
Described warning performance element includes that audible-visual annunciator, audible-visual annunciator are arranged in framework, and line is in industrial computer.
4. the safety detection device of a gradient alarm as claimed in claim 3, it is characterised in that: described nonmetal plate
Matter is epoxy resin material or nylon material.
5. the safety detection device of a gradient alarm as claimed in claim 4, it is characterised in that: described pulley mechanism
Including belt, tightening the first cylinder and the second tin roller of belt, described belt runs through framework；
Described first bracing frame group, including two the first support bars of flat shape, the axle two ends of the first cylinder are respectively sleeved at two
On first support bar；Described second bracing frame group, including two parallel the second support bars, the axle two ends of second tin roller are overlapped respectively
It is located at two the second support bars.
6. the safety detection device of a gradient alarm as claimed in claim 5, it is characterised in that: described lane device is also
Including four pieces of plate washers, described four pieces of plate washers are fixed above respectively along two the first support bars and two the second support bars.
7. the safety detection device of a gradient alarm as claimed in claim 6, it is characterised in that: described pulley mechanism
Also include the first pinch roller and the second folder pinch roller；The axle two ends of the first pinch roller are respectively sleeved at two first supports
On bar, and it is positioned at below the first cylinder, and supports belt outer rim；The axle two ends of described second pinch roller are respectively sleeved at second
On support bar, and it is positioned at below second tin roller, and supports belt outer rim.
8. the safety detection device of a gradient alarm as claimed in claim 7, it is characterised in that: described non-metal board position
In belt inner edge, or it is positioned at below belt outer rim.
9. the safety detection device of a gradient alarm as claimed in claim 8, it is characterised in that: by described display operation
Platform sets gradient alarm threshold value and is conveyed to industrial computer, the display of industry control apparatus control audible-visual annunciator the warning color set, and
Blow a whistle.
10. the safety detection device of a gradient alarm as claimed in claim 9, it is characterised in that: described industry control machine examination
When measuring set gradient alarm threshold value, display operating board is made to report to the police with the color displays set, prompting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464272.6A CN105928959A (en) | 2016-06-24 | 2016-06-24 | Gradient warning device and safety detection device using gradient warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464272.6A CN105928959A (en) | 2016-06-24 | 2016-06-24 | Gradient warning device and safety detection device using gradient warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928959A true CN105928959A (en) | 2016-09-07 |
Family
ID=56830791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610464272.6A Pending CN105928959A (en) | 2016-06-24 | 2016-06-24 | Gradient warning device and safety detection device using gradient warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928959A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646628A (en) * | 2016-12-30 | 2017-05-10 | 合肥通用机械研究院 | Metal-detector-based metal detection device and metal detection method thereof |
| CN106981718A (en) * | 2017-04-13 | 2017-07-25 | 安徽启路达光电科技有限公司 | A kind of broad-band antenna applied to NQR stimulated radiation detecting systems |
| CN108680960A (en) * | 2018-07-14 | 2018-10-19 | 漳州市玉山电子制造有限公司 | A kind of metal detector of difference output driving mode |
| CN110465500A (en) * | 2019-08-27 | 2019-11-19 | 武义圣理汽车用品有限公司 | A kind of automatic safety check apparatus of express delivery cargo |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202110295U (en) * | 2011-03-08 | 2012-01-11 | 山东华特磁电科技股份有限公司 | Metal detector |
| CN104213938A (en) * | 2014-01-22 | 2014-12-17 | 三一重型装备有限公司 | Automatic gas detection system |
| CN104537791A (en) * | 2014-12-18 | 2015-04-22 | 北京天诚同创电气有限公司 | Fire monitoring method and device |
| CN204314240U (en) * | 2015-01-06 | 2015-05-06 | 安徽中福光电科技有限公司 | A kind of multi-functional X-ray screening machine |
| CN205091277U (en) * | 2015-11-17 | 2016-03-16 | 北京京泰亨安检设备有限责任公司 | Energy -conserving security check machine |
| CN205301210U (en) * | 2015-12-29 | 2016-06-08 | 天津银箭科技有限公司 | Intelligence safety inspection management all -in -one |
| CN205808966U (en) * | 2016-06-24 | 2016-12-14 | 安徽启路达光电科技有限公司 | A kind of gradient alarm and the safety detection device of application thereof |
-
2016
- 2016-06-24 CN CN201610464272.6A patent/CN105928959A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202110295U (en) * | 2011-03-08 | 2012-01-11 | 山东华特磁电科技股份有限公司 | Metal detector |
| CN104213938A (en) * | 2014-01-22 | 2014-12-17 | 三一重型装备有限公司 | Automatic gas detection system |
| CN104537791A (en) * | 2014-12-18 | 2015-04-22 | 北京天诚同创电气有限公司 | Fire monitoring method and device |
| CN204314240U (en) * | 2015-01-06 | 2015-05-06 | 安徽中福光电科技有限公司 | A kind of multi-functional X-ray screening machine |
| CN205091277U (en) * | 2015-11-17 | 2016-03-16 | 北京京泰亨安检设备有限责任公司 | Energy -conserving security check machine |
| CN205301210U (en) * | 2015-12-29 | 2016-06-08 | 天津银箭科技有限公司 | Intelligence safety inspection management all -in -one |
| CN205808966U (en) * | 2016-06-24 | 2016-12-14 | 安徽启路达光电科技有限公司 | A kind of gradient alarm and the safety detection device of application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646628A (en) * | 2016-12-30 | 2017-05-10 | 合肥通用机械研究院 | Metal-detector-based metal detection device and metal detection method thereof |
| CN106981718A (en) * | 2017-04-13 | 2017-07-25 | 安徽启路达光电科技有限公司 | A kind of broad-band antenna applied to NQR stimulated radiation detecting systems |
| CN106981718B (en) * | 2017-04-13 | 2023-02-07 | 安徽启路达光电科技有限公司 | Broadband antenna applied to NQR stimulated radiation detection system |
| CN108680960A (en) * | 2018-07-14 | 2018-10-19 | 漳州市玉山电子制造有限公司 | A kind of metal detector of difference output driving mode |
| CN108680960B (en) * | 2018-07-14 | 2023-10-31 | 漳州市玉山电子制造有限公司 | Metal detector with differential output driving mode |
| CN110465500A (en) * | 2019-08-27 | 2019-11-19 | 武义圣理汽车用品有限公司 | A kind of automatic safety check apparatus of express delivery cargo |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105928959A (en) | Gradient warning device and safety detection device using gradient warning device | |
| EP2553427B1 (en) | Inspection apparatus | |
| DE502007006410D1 (en) | Eierzählsensor | |
| ATE528639T1 (en) | DETECTION SYSTEM AND DETECTION METHOD BASED ON PULSED ENERGETIC PARTICLES | |
| CN205157812U (en) | Novel intelligent monitoring security check machine | |
| CN105842739A (en) | Passing-through type specific metal detecting door | |
| WO2013171498A3 (en) | Security system and method of detecting contraband items | |
| TR199901292T2 (en) | Magnetic detector for valuable documents | |
| CN106873045B (en) | A kind of remote passive type Terahertz safety check imaging system | |
| CN205808966U (en) | A kind of gradient alarm and the safety detection device of application thereof | |
| CN204422449U (en) | A kind of X-ray detection equipment | |
| CN104375203A (en) | Double-channel security inspection device with multiple security inspection technologies | |
| CN111123375A (en) | Security inspection platform and method | |
| CN208902891U (en) | A kind of adaptive logistics delivery line double-visual angle intelligence safety check apparatus | |
| JP2005265793A (en) | Apparatus for tracking specified substance | |
| CN105931254B (en) | A kind of frontier port inspection and quarantining for import/export low temperature checking method and system | |
| US20210149073A1 (en) | Automatic detection of manipulated metal objects in x-ray images | |
| CN207817234U (en) | Violated dangerous material automatic alarm system | |
| CN206038928U (en) | Prevent security check machine that child got into | |
| CN205844537U (en) | A kind of screening machine radiant matter with isolation pickup function detects alarm device | |
| CN205484862U (en) | Through type safety inspection door with leading infrared detecting device | |
| CN206862924U (en) | A kind of detecting system for container or packaging vehicle | |
| CN204556867U (en) | A kind of metal and X-ray combination screening machine | |
| Schecklman et al. | Terahertz non-destructive evaluation of textile ropes and slings | |
| US20100156634A1 (en) | Table top contraband sensing apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |