CN108226634A - A kind of electronic soft label detection of characteristic parameters instrument - Google Patents
A kind of electronic soft label detection of characteristic parameters instrument Download PDFInfo
- Publication number
- CN108226634A CN108226634A CN201810215353.1A CN201810215353A CN108226634A CN 108226634 A CN108226634 A CN 108226634A CN 201810215353 A CN201810215353 A CN 201810215353A CN 108226634 A CN108226634 A CN 108226634A
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- soft label
- circuit
- push rod
- characteristic parameters
- electronic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention belongs to electronic soft label detection technique fields, and in particular to a kind of electronic soft label detection of characteristic parameters instrument, it is characterised in that：Including：Main platform, auxiliary platform, the soft label measurement sensor for being arranged on main platform interior, the circuit board being electrically connected with soft label measurement sensor, the ultrasonic range finder being arranged on main platform upper surface, the rotary extension push rod being arranged on auxiliary platform, be fixed on rotary extension push rod push rod output terminal soft label clamping plate and display screen for showing detected electronic soft label parameter；The bottom end of rotary extension push rod is rotatably connected with auxiliary platform；Soft label is clamped between two pieces of soft label clamping plates.Present device is simple in structure, high degree of automation, and accuracy of detection is high.
Description
Technical field
The invention belongs to electronic soft label detection technique fields, and in particular to a kind of electronic soft label detection of characteristic parameters
Instrument.
Background technology
At present in country's electronic anti-theft label production process, the quality testing of electronic anti-theft label product mostly using artificial or
The detection mode of simple instrument indirect labor, efficiency is low, and statistical data is not accurate, product parameters not factors such as science,
Constrain the development that anti-theft tag manufacturing enterprise of China Electronics explores world market.
Electronic soft label is usually to be made of a LC series loop, according to the analysis to LC series loops, it is understood that
Inductance L and capacitance C in lc circuit determines a resonant frequency fc and quality factor q.Only have to given LC series circuits
When sinusoidal excitation is a certain specific frequency, i.e., equal to centre frequency, circuit could be in resonant condition, and when resonance may be adjoint
There is the extra-high voltage at capacitance and inductance both ends, the high-intensity magnetic field that the extra-high voltage of exactly this variation generates just makes tag detection region
There is apparent disturbance in magnetic field.And when under other frequency excitations, circuit is not in extra-high voltage so, to disturb inspection
Survey regional magnetic field distribution.It can detect that the frequency and quality factor of electronic soft label using this principle.If electronic soft label
Frequency within the limits prescribed, then can determine that electronic soft label qualification, otherwise unqualified.
Invention content
The purpose of the present invention is overcoming electronic soft label detection efficiency in the prior art low, detection data is not accurate
Defect provides a kind of easy to detect, high degree of automation, the accurate electronic soft label detection of characteristic parameters instrument of detection data.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of electronic soft label detection of characteristic parameters instrument, it is characterised in that：Including：Main platform, auxiliary platform, be arranged on it is described
The soft label measurement sensor of main platform interior, the circuit board being electrically connected with the soft label measurement sensor, be arranged on it is described
Ultrasonic range finder on main platform upper surface, is fixed on the rotation at the rotary extension push rod being arranged on the auxiliary platform
The soft label clamping plate of the push rod output terminal of telescopic putter and for showing the display screen of soft tag parameter detected；It is described
The bottom end of rotary extension push rod is rotatably connected with the auxiliary platform；The soft label is clamped in two pieces of soft label clamping plates
Between.
Further, the soft label measurement sensor includes：Plastic sleeve is separately fixed at the plastic sleeve inner wall
Transmitting coil and receiving coil on face, the transmitting coil and receiving coil with the circuit board electrical connection.
Further, the soft label clamping plate uses acrylic clamping plate.
Further, the detection circuit of the electronic soft label includes：Power unit circuit, control unit circuit, storage
Element circuit, sinusoidal signal generation circuit, receives signal filtering and amplifying circuit, A/D conversion circuits, ultrasonic wave at display circuit
Measuring circuit and rotary extension push rod control circuit；The power unit circuit is electrically connected with described control unit circuit；It is described
Control unit circuit is electrically connected with the sinusoidal signal generation circuit, the sinusoidal signal generation circuit and transmitting coil electricity
Connection, the transmitting coil and electronic soft label act on receiving coil by electromagnetic induction, and the receiving coil connects with described
The collection of letters number filtering and amplifying circuit electrical connection, the reception signal filtering and amplifying circuit are electrically connected with the A/D conversion circuits,
The A/D conversion circuits are electrically connected with described control unit circuit, described control unit circuit and the display circuit and storage
Element circuit is electrically connected, and the ultrasonic measurement circuit is electrically connected with described control unit circuit.
Further, the rotary extension push rod drives the flexible of its telescopic rod using stepper motor.
Further, the rotary extension push rod drives its unitary rotation using stepper motor.
Further, there is the action key for being used for adjusting the rotating extensible arm movement on the auxiliary platform.
Further, the measurement regulating key being electrically connected on the main platform with described control unit circuit.
Further, the sinusoidal signal generation circuit generate frequency 1MHZ-11MHZ it is continually changing it is multigroup just
String signal, and the sinusoidal signal amplitude of different frequency is identical, the frequency of sinusoidal signal described in every group is 0.01Mhz.
A kind of advantageous effect of electronic soft label detection of characteristic parameters instrument of the present invention is：
1st, device structure is simple, high degree of automation, and high certainty of measurement, can adjust electronic soft label apart from soft label
The distance of measurement sensor, by adjusting to optimum distance, to improve the precision of the frequency measurement of electronic soft label.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structure chart of the embodiment of the present invention；
Fig. 2 is the soft label measurement sensor structure chart of the embodiment of the present invention；
Fig. 3 is circuit system control figure of the embodiment of the present invention；
Fig. 4 is power unit circuit；
Fig. 5 is control unit circuit；
Fig. 6 is storage unit circuit；
Fig. 7 is display unit circuit；
Fig. 8 is sinusoidal signal generation circuit；
Fig. 9 is signal amplifier circuit；
Figure 10 is to receive signal filtering and amplifying circuit；
Figure 11 is ultrasonic measurement circuit；
Figure 12 is rotary extension push rod control circuit.
In figure：1st, main platform, 2, auxiliary platform, 3, soft label measurement sensor, 31, plastic sleeve, 32, transmitting coil, 33,
Receiving coil, 4, circuit board, 5, ultrasonic range finder, 6, rotary extension push rod, 7, soft label clamping plate, 8, display screen, 9, electronics
Soft label, 10, action key, 11, measure regulating key, 12, storage unit circuit, 13, power unit circuit, 14, sinusoidal letter
Number occur circuit, 15, receive signal filtering and amplifying circuit, 16, A/D conversion circuits, 17, ultrasonic measurement circuit, 18, rotation
Telescopic putter control circuit, 19, signal amplifier, 20, control unit circuit.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
A kind of specific embodiment of electronic soft label detection of characteristic parameters instrument of the present invention as shown in Figure 1-Figure 3, including：
Main platform 1, the soft label measurement sensor 3 being arranged on inside main platform 1, is electrically connected with soft label measurement sensor 3 at auxiliary platform 2
The circuit board 4 that connects, the ultrasonic range finder 5 being arranged on main 1 upper surface of platform, the rotary extension being arranged on auxiliary platform 2 push away
Bar 6, be fixed on rotary extension push rod 6 push rod output terminal soft label clamping plate 7 and for show detected soft label ginseng
Several display screens 8；The bottom end of rotary extension push rod 6 is rotatably connected with auxiliary platform 2；Electronic soft label 9 be clamped in two pieces it is soft
Between label clamping plate 7.
In the present embodiment, soft label measurement sensor 3 includes：Plastic sleeve 31 is separately fixed at 31 inner wall of plastic sleeve
Transmitting coil 32 and receiving coil 33 on face, transmitting coil 32 and receiving coil 33 are electrically connected with circuit board 4.
In the present embodiment, soft label clamping plate 7 uses acrylic clamping plate.Rotary extension push rod 6 drives it using stepper motor
Telescopic rod stretches.Rotary extension push rod 6 drives its unitary rotation using stepper motor.Have on auxiliary platform 2 and be used for adjusting rotation
Turn the action key 10 of telescopic rod movement.The measurement regulating key 11 being electrically connected on main platform 1 with control unit circuit 20.
The present embodiment can realize the detection to the electronic soft label 9 in 1MHZ-11MHZ frequency ranges.Electronic soft label
Detection circuit include：Power unit circuit 13, control unit circuit 20, storage unit circuit 12, display circuit, sinusoidal signal
Circuit 14 occurs, receives signal filtering and amplifying circuit 15, A/D conversion circuits 16, ultrasonic measurement circuit 17 and rotary extension
Push rod control circuit 18；Power unit circuit 13 is electrically connected with control unit circuit 20；Control unit circuit 20 and sinusoidal signal
Circuit 14 occurs to be electrically connected, sinusoidal signal generation circuit 14 is electrically connected with transmitting coil 32, transmitting coil 32 and electronic soft label 9
Receiving coil 33 is acted on by electromagnetic induction, receiving coil 33 is electrically connected with receiving signal filtering and amplifying circuit 15, receives
Signal filters and amplifying circuit 15 is electrically connected with A/D conversion circuits 16, and A/D conversion circuits 16 are electrically connected with control unit circuit 20
It connects, control unit circuit 20 is electrically connected with display circuit and storage unit circuit 12, ultrasonic measurement circuit 17 and control unit
Circuit 20 is electrically connected.
The course of work of the embodiment of the present invention is：Electronic soft label 9 is clipped among the soft label clamping plate 7 of two pieces of acrylics,
The soft label clamping plate 7 of acrylic is driven to rotate to soft label measurement sensor 3 by stepper motor, pass through ultrasonic wave at this time
Rangefinder 5 measures distance of the electronic soft label 9 apart from ultrasonic range finder 5, and control unit circuit 20 controls sinusoidal signal
Circuit 14 continuously generates multigroup sinusoidal signal, and the frequency of every group of sinusoidal signal constantly changes between 1MHZ-11MHZ, Ke Yicong
Small frequency changes to big frequency, can also change from big frequency to small frequency, but the sinusoidal magnitude in each period is equal；Every group
The frequency of sinusoidal signal is 0.01Mhz, and sinusoidal signal is emitted after the amplification of signal amplifier 19 by transmitting coil 32, works as transmitting
After coil 32 emits electromagnetic wave, since electromagnetic induction acts on, a sinusoidal signal, the sinusoidal signal are also generated in receiving coil 33
It is equal with the sinusoidal signal frequency that transmitting coil 32 emits, amplitude variation.32 outside of transmitting coil has electronic soft label at this time
9, electronic soft label 9 can generate induced electromotive force also due to transmitting coil 32 acts on the electromagnetic induction of label in label, should
Induced electromotive force equally can generate magnetic field by tag coil, act on receiving coil 33.Receiving coil 33 is come from hair
The joint effect in the magnetic field of ray circle 32 and label.When the tranmitting frequency of transmitting coil 32 is equal to the frequency of electronic soft label 9
When, the voltage magnitude of receiving coil 33 is maximum, and the frequency of receiving coil 33 is exactly the frequency of electronic soft label 9 at this time.
Electronic soft label 9 when the present invention is detected and finds Q value maximums to Q values is relative to ultrasonic range finder 5
Or the relative position of soft label measurement sensor 3, the Q values of electronic tag are calculated indirectly by frequency, therefore suitable
Distance to showing that practical Q values have important influence.When the present invention can record Q value maximums by ultrasonic range finder 5
The relative displacement of electronic soft label 9, and record.Q values can be obtained by frequency calculating, can by research：
Frequency centered on wherein f, f1And f2The frequency of centre frequency both sides, center are frequent when dropping to 3db points for amplitude
Rate i.e. resonant frequency, what it is in detection is that must remember frequency and amplitude simultaneously, and Q values can be obtained by frequency and amplitude.
When detecting wait 9 range sensor of electronic soft label the different Q values acquired of distance be different, therefore can by away from
From control, control electronic soft label 9 finally acquires true Q values, and record the distance side of the point to the distance of sensor
It detects in face.The optimal point of Q values influences the precision of the soft mark frequency measurement of electronics.
Power unit circuit 13 as shown in Figure 4；DC12V voltages are inputted, are filtered first by filter capacitor, are passed through
After LM7805 voltage stabilizings and filter capacitor filtering, stable 5V voltages VCC, DC5V voltage is generated using LM117-3.3 voltage stabilizings
Stable 3.3V voltages are generated with after filter capacitor filtering.D4 is power supply indicator.
Control unit circuit 20 as shown in Figure 5；Using STM32F407ZET6 as control centre, control unit circuit
20 mainly include crystal oscillating circuit and reset circuit.
Storage unit circuit 12 as shown in Figure 6；FM24CL04 is selected as system data storage chip, main completion pair
The storage of 9 data of electronic soft label in detection process.
Display unit circuit as shown in Figure 7；Using LCD12864 as display device, mainly show that current electronics is soft
Tag parameter data.The type of detection parameters is set by button realization.
Sinusoidal signal generation circuit 14 as shown in Figure 8；Excitations of the DDS chips AD9830 as swept-frequency signal is selected
Source.The chip is can to export highest clock frequency as 50MHz, and the signal output of 20MHz can be reached in actual use, and
And the resolution ratio of chip is very high.The frequency sweep detection signal of 1-10M is generated in system using signal generating circuit.
19 circuit of signal amplifier as shown in Figure 9；The sine sweep signal that DDS is generated, after amplifying by the circuit
Emitted by inductance coil.DDS swept-frequency signals are inputted by Z_OUT12, are amplified by high-frequency signal amplifier 19SBB2089Z
Later.Sine wave after output amplification, the fan-out capability of intensifier coil.
Reception signal filtering as shown in Figure 10 and amplifying circuit 15；The collected signal of sensor passes through AD620 two levels
The A/D end of convert of input control unit after amplification, A/D conversion circuits are completed using A/D included inside STM32F407ZET6.
Ultrasonic measurement circuit 17 as shown in figure 11；Using PD10 mouthfuls of triggering rangings, it is more than when PD10 mouthfuls to one
When the triggering level of 10us, ultrasound detection circuit sends the square wave of 8 40KHZ automatically, and ultrasound detection circuit is automatic
It has detected whether signal return, has just exported a high level if there is signal returns to PD10, high level lasting time is exactly ultrasound
Wave can realize the inspection to 9 optimum distance of electronic soft label by formula from the time for being emitted to return in the hope of measuring distance
It surveys.
Rotary extension push rod control circuit 18 as shown in figure 12；Pulse is controlled to be exported by PD4/PD5, it is anti-through 74LS14
Enter 9014 after phase, control optoelectronic switch after 9014 amplifications, after Phototube Coupling, carried out pulse signal by power tube TIP122
Voltage and current amplifies, each phase winding of Driving Stepping Motor.Make stepper motor with different pulse signals rotates forward respectively,
The actions such as reversion, acceleration, deceleration and stopping.Button S2/S3/S4/S5 is realized to speed, the movement of rotary extension push rod 6 etc.
Setting.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
The obvious changes or variations that the spirit of the present invention is extended out are still in the protection scope of this invention.
Claims (9)
1. a kind of electronic soft label detection of characteristic parameters instrument, it is characterised in that：Including：Main platform (1), is arranged on auxiliary platform (2)
The internal soft label measurement sensor (3) of the main platform (1), the circuit being electrically connected with the soft label measurement sensor (3)
Plate (4), the ultrasonic range finder (5) being arranged on main platform (1) upper surface, the rotation being arranged on the auxiliary platform (2)
Turn telescopic putter (6), the soft label clamping plate (7) for the push rod output terminal for being fixed on the rotary extension push rod (6) and for showing
Show the display screen (8) of detected electronic soft label (9) parameter；The bottom end of the rotary extension push rod (6) and the auxiliary platform
(2) it is rotatably connected；The electronic soft label (9) is clamped between two pieces of soft label clamping plates (7).
2. a kind of electronic soft label detection of characteristic parameters instrument according to claim 1, which is characterized in that the soft label is surveyed
Quantity sensor (3) includes：Plastic sleeve (31), the transmitting coil (32) being separately fixed on the plastic sleeve (31) internal face
With receiving coil (33), the transmitting coil (32) and receiving coil (33) are electrically connected with the circuit board (4).
A kind of 3. electronic soft label detection of characteristic parameters instrument according to claim 1, which is characterized in that the soft Label clip
Plate (7) is using acrylic clamping plate.
A kind of 4. electronic soft label detection of characteristic parameters instrument according to claim 2, which is characterized in that the soft mark of electronics
The detection circuit of label includes：Power unit circuit (13), control unit circuit (20), storage unit circuit (12), display circuit,
Sinusoidal signal generation circuit (14) receives signal filtering and amplifying circuit (15), A/D conversion circuits (16), ultrasonic measurement electricity
Road (17) and rotary extension push rod control circuit (18)；The power unit circuit (13) and described control unit circuit (20) electricity
Connection；Described control unit circuit (20) is electrically connected with the sinusoidal signal generation circuit (14), and electricity occurs for the sinusoidal signal
Road (14) is electrically connected with the transmitting coil (32), and the transmitting coil (32) and electronic soft label (9) are made by electromagnetic induction
For receiving coil (33), the receiving coil (33) is electrically connected with the reception signal filtering and amplifying circuit (15), described
It receives signal filtering and amplifying circuit (15) is electrically connected with the A/D conversion circuits (16), the A/D conversion circuits (16) and institute
State control unit circuit (20) electrical connection, described control unit circuit (20) and the display circuit and storage unit circuit (12)
Electrical connection, the ultrasonic measurement circuit (17) are electrically connected with described control unit circuit (20).
A kind of 5. electronic soft label detection of characteristic parameters instrument according to claim 1, which is characterized in that the rotary extension
Push rod (6) drives the flexible of its telescopic rod using stepper motor.
A kind of 6. electronic soft label detection of characteristic parameters instrument according to claim 5, which is characterized in that the rotary extension
Push rod (6) drives its unitary rotation using stepper motor.
7. a kind of electronic soft label detection of characteristic parameters instrument according to claim 1, it is characterised in that：The auxiliary platform
(2) there is the action key (10) for being used for adjusting the rotating extensible arm movement on.
8. a kind of electronic soft label detection of characteristic parameters instrument according to claim 1, it is characterised in that：The main platform
(1) the measurement regulating key (11) being electrically connected on described control unit circuit (20).
9. a kind of electronic soft label detection of characteristic parameters instrument according to claim 1, it is characterised in that：The sinusoidal signal
Circuit (14) occurs and generates continually changing multigroup sinusoidal signal of the frequency in 1MHZ-11MHZ, and the sinusoidal signal of different frequency
Amplitude is identical, and the frequency of sinusoidal signal described in every group is 0.01Mhz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215353.1A CN108226634A (en) | 2018-03-15 | 2018-03-15 | A kind of electronic soft label detection of characteristic parameters instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215353.1A CN108226634A (en) | 2018-03-15 | 2018-03-15 | A kind of electronic soft label detection of characteristic parameters instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226634A true CN108226634A (en) | 2018-06-29 |
Family
ID=62658438
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810215353.1A Pending CN108226634A (en) | 2018-03-15 | 2018-03-15 | A kind of electronic soft label detection of characteristic parameters instrument |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808371A (en) * | 2021-09-16 | 2021-12-17 | 深圳市朗鑫智能科技有限公司 | Gas leakage alarm device convenient to installation |
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