CN205808966U - A kind of gradient alarm and the safety detection device of application thereof - Google Patents
A kind of gradient alarm and the safety detection device of application thereof Download PDFInfo
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Abstract
This utility model relates to a kind of gradient alarm and the safety detection device of application thereof, and wherein gradient alarm includes that image shows and processing unit, sinusoidal wave generation unit, expansion stream power amplification unit, transmitting coil unit, receiving coil unit, boost signal processing unit, AD sample conversion unit, warning performance element.This utility model effect can divide 2 points: (1) by the different warning color of warning performance element display, the gradient of corresponding tested cross section metal area compatibility, thus can embody the gradient to different size metal and report to the police, and meanwhile, warning performance element is blown a whistle warning；(2) utilizing the X-ray transmission imaging technique of safety detection device, quickly have an X-rayed scanning imagery, can survey metal and nonmetal, detection type of goods is many, and detection comprehensively, checks that 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 techniques below scheme:
A kind of gradient alarm, shows including image and processing unit, sinusoidal wave generation unit, expansion stream power amplification list
Unit, transmitting 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, output sine
Ripple signal；
The described stream power amplification unit that expands, the sine wave signal of reception sine wave generation unit output, export powerful
Sinusoidal wave；
Described transmitting coil unit, as carrier, receives and expands the high-power sine wave signal of stream power amplification unit output also
Output；
Utilizing the electromagnetic induction effect of transmitting coil unit and receiving coil unit, described receiving coil unit is as load
Body, receives the electromagnetic induction signal that transmitting coil gives off, and produces the small-signal of Noise；
Described boost signal processing unit, receives the small-signal of the Noise that receiving coil unit produces, and exports straight
Stream signal；
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 is given to report to the police and performed list
Unit, 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, watch
Take feedback 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
Merge into the sine wave signal of single channel；
Described first filter circuit, receives the sine wave signal of differential amplifier circuit output, and output filters 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 again
Sine wave signal after hot-tempered sound；
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 output of reverse add circuit
Direct current signal and export；
Described servo feedback circuit, for improving direct current signal stability, receives the direct current signal of peak holding circuit output
And export；
Described Zero-cross comparator circuit, for improving direct current signal stability, receives the direct current signal of servo feedback circuit output
And export；
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 under lane device
Side；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
Parallel framework top, face；
Described lane device includes the first bracing frame group, the second bracing frame group, pulley mechanism and is positioned at pulley mechanism
The non-metal board of lower section；Non-metal board is fixed in framework；First bracing frame group and the second bracing frame group are separately fixed at framework
Both sides；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, penetrate source controller with
Industrial computer 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 skin
Band 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
On two the first support bars；Described second bracing frame group, including two parallel the second support bars, the axle two ends of second tin roller are divided
It is not set on two the second support bars；
Further, described lane device also includes four pieces of plate washers, and described four pieces of plate washers are respectively along two first supports
Bar and two the second support bars fixed above.
Further, described pulley mechanism also includes the first pinch roller and the second pinch roller；First pinch roller
Axle two ends be respectively sleeved on two the first support bars, and be positioned at below the first cylinder, and support belt outer rim；Described second
The axle two ends of 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
Area of section, and with the alarm threshold value set by different warning color display correspondences, can be judged and tested gold by warning color
Belong to the gradient of thing area of section compatibility, meanwhile, trigger audible-visual annunciator and blow a whistle；It addition, utilize the color of display operating board to show
Showing, prompting 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
Individual above gradient alarm threshold value so that it is move closer to tested metal object actual cross-section area, and trigger warning performance element work
Go out corresponding action prompt to report 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, output sine
Ripple signal；
Expand stream power amplification unit 93, receive the sine wave signal of sinusoidal wave generation unit 92 output, export powerful
Sinusoidal wave；
Transmitting coil unit 94, as carrier, receives and expands the high-power sine wave signal of stream power amplification unit 93 output also
Output；
Utilizing the electromagnetic induction effect of transmitting coil unit 94 and receiving coil unit 95, receiving coil unit 95 is as load
Body, receives the electromagnetic induction signal that transmitting coil 94 gives off, and produces 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 straight
Stream signal；
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, exports indication signal
To warning performance element 98, meanwhile, images themselves display function is utilized 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
Merge into the sine wave signal of single channel；
First filter circuit 911, receives the sine wave signal of differential amplifier circuit 910 output, and output filters hot-tempered message
Sine wave signal after number；
Audio frequency pre-amplification circuit 912, receives the sine wave signal of the first filter circuit 911 output, and is amplified defeated
Go out；
Second filter circuit 913, receives the sine wave signal of audio frequency pre-amplification circuit 912 output, and again exports filter
Except the sine wave signal after hot-tempered 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 reverse add circuit 916 defeated
The direct current signal that goes out also exports；
Servo feedback circuit 918, for improving direct current signal stability, receives the direct current letter of peak holding circuit 917 output
Number and export；
Zero-cross comparator circuit 919, for improving direct current signal stability, receives the direct current letter of servo feedback circuit 918 output
Number and export；
Balanced output circuit 920, for improving direct current signal stability, receives the direct current letter of Zero-cross comparator circuit 919 output
Number, output direct current signal is 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, separately along the side of lane device 2
Simultaneously 42 are 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 X-ray through on belt 231 and belt 231 by penetrating source apparatus 3
Inspected object, and be radiated to receive on device 4, display operating board 8 perspective imaging show, it is determined whether carry metal and Fei Jin
Belong to dangerous goods.
(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 on two the first support bars；Described second supports
Frame group, including two parallel the second support bars, the axle two ends of second tin roller are respectively sleeved 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 pinch roller；The axle two ends of the first pinch roller are respectively sleeved at two the first support bars
On, and be positioned at below the first cylinder, and support belt outer rim；The axle two ends of described second pinch roller are respectively sleeved at second
On strut, 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.
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| CN201620631342.8U CN205808966U (en) | 2016-06-24 | 2016-06-24 | A kind of gradient alarm and the safety detection device of application thereof |
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| CN201620631342.8U CN205808966U (en) | 2016-06-24 | 2016-06-24 | A kind of gradient alarm and the safety detection device of application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928959A (en) * | 2016-06-24 | 2016-09-07 | 安徽启路达光电科技有限公司 | Gradient warning device and safety detection device using gradient warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928959A (en) * | 2016-06-24 | 2016-09-07 | 安徽启路达光电科技有限公司 | Gradient warning device and safety detection device using gradient warning device |
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