CN107861483A - A kind of workpiece neglected loading monitoring system and its detection method based on ultrasonic sensing - Google Patents
A kind of workpiece neglected loading monitoring system and its detection method based on ultrasonic sensing Download PDFInfo
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- CN107861483A CN107861483A CN201711079867.0A CN201711079867A CN107861483A CN 107861483 A CN107861483 A CN 107861483A CN 201711079867 A CN201711079867 A CN 201711079867A CN 107861483 A CN107861483 A CN 107861483A
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- workpiece
- ultrasonic
- ultrasonic wave
- neglected loading
- injection device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31439—Alarms can be warning, alert or fault
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of workpiece neglected loading monitoring system and its detection method based on ultrasonic sensing, wherein monitoring system includes information acquisition system, information processing system and display alarm system：Information acquisition system includes ultrasonic wave to injection device, power amplifier and the first dc source；Information processing system includes signal conditioning circuit, information acquisition device, control computer and the second dc source；Display alarm system includes projector and audible-visual annunciator.The workpiece neglected loading monitoring system of this production line includes information acquisition system, information processing system and display alarm system, the neglected loading that workpiece is whether there is on production line can automatically real-time be monitored, realize open contactless detection, the parameter setting at initial stage need to only be carried out, without artificial intervention during monitoring, reduce unnecessary manpower and waste of time, help reduces workpiece neglected loading rate in production process, and improves the total quality and security performance of the product of workpiece assembling.
Description
Technical field
The present invention relates to workpiece neglected loading monitoring field, more particularly to a kind of workpiece neglected loading monitoring system based on ultrasonic sensing
System and its detection method.
Background technology
In order to realize during the manual assembly of various industrial productions (particularly auto industry production) to workpiece neglected loading
Detection, employed some special device and methods both at home and abroad.Although the method for currently used neglected loading detection is all
There is the advantages of respective, but more deficiency be present, can not such as realize that single (a certain device can only be real for detection, detection object in real time
Now to the missing inspection of a certain special object), the restrictive condition of detection it is various etc..
From the point of view of the method for currently used workpiece neglected loading detection：1) artificial detection method：By special messenger on station
Each workpiece is carried out comprehensively and specific neglected loading inspection, determines whether the situation of workpiece neglected loading.Although this method can reach
The purpose of neglected loading detection, and the particular location of workpiece neglected loading can be determined, but need special messenger to operate, the people of consuming
Work and time are more, and the real-time of detection is very poor；2) weight verification detection method：Accurately claimed by the workpiece to assembling
Weight, by obtained data compared with the weight data of the workpiece assembled of standard, sees whether the neglected loading that workpiece be present.
The advantages of this method is that principle is simple, easy to operate.Shortcoming is the poor real of detection, and equally workpiece neglected loading position can not be entered
Row positioning, and when more workpiece needs detection, can not meet that requirement is realized and timely detect；3) image recognition detection side
Method：By gathering various view data and carrying out Treatment Analysis to them, neglected loading and the misloading of workpiece are judged whether.The party
The advantages of method is that stability is good, and the degree of accuracy is high.Shortcoming be must according to corresponding to designing detection object device, and monitoring device
Cost it is high, volume is big, installs sufficiently complex.
At present in workpiece Assembling Production, due to various and caused by workpiece neglected loading phenomenon, gently then can shadow
The performance for the product for needing to be provided with the workpiece of neglected loading is rung, it is heavy then product can be caused to break down or even cause in use
Accident, endanger the safety of user.In addition, although many factory and enterprises all employ some advanced methods and apparatus at present,
To strengthen the detection to workpiece neglected loading, but the phenomenon of workpiece neglected loading is still more generally present.Therefore, a kind of reason of design
The workpiece neglected loading monitoring system applied on production line thought just becomes extremely important.
Ultrasonic sensor is the sensor that ultrasonic signal is converted into other energy signals (being typically electric signal).It is super
Sound wave is the mechanical wave that vibration frequency is higher than 20KHz.It has frequency height, wavelength is short, diffraction phenomenon is small, particularly directionality
It is good, can turn into ray and the features such as direction propagation.Ultrasonic wave is very big to the penetrating power of liquid, solid, especially in sunlight
In opaque solid.Ultrasonic wave, which encounters impurity or interface, can produce significantly to reflect to form and be reflected into echo, encounter live animal
Physical efficiency produces Doppler effect.Ultrasonic sensor is widely used in industry, national defence, biomedicine etc..
The content of the invention
A kind of present invention seek to address that above-mentioned mentioned technical problem, there is provided workpiece neglected loading prison based on ultrasonic sensing
Control system and its detection method.
The present invention is realized by following technical scheme：
A kind of workpiece neglected loading monitoring system based on ultrasonic sensing, including information acquisition system, information processing system and
Display alarm system：
Information acquisition system includes ultrasonic wave to injection device, power amplifier and the first dc source：Ultrasonic wave is to penetrating dress
Put and correspond to the first ultrasonic wave of both sides to injection device including being arranged on worker, and be arranged on the second ultrasonic wave that workpiece corresponds to both sides
To injection device, each ultrasonic wave includes ultrasonic transmission device and ultrasonic probe, ultrasonic receiver, ultrasonic wave transmitting dress to injection device
Put for sending ultrasound line detection workman or workpiece, ultrasonic probe, ultrasonic receiver be used to receiving ultrasonic transmission device send it is super
The input connection of sound wave line, its output end and power amplifier；First dc source is used to provide to ultrasonic transmission device
3.4V DC voltage；
Information processing system includes signal conditioning circuit, data acquisition unit, control computer and the second dc source：Signal is adjusted
Reason circuit is used to induced signal carrying out voltage increase, and signal reduces and filtering, and the A/D of its output end and data acquisition unit turns
Change input connection；Data acquisition unit is sent to control computer progress induced signal after the signal of collection is carried out into A/D conversions
Processing；Control computer is used to handle the induced signal that detection collects, and judges that workpiece whether there is neglected loading, if workpiece
Neglected loading be present, then send a signal to display alarm system, control display alarm system shows the production line where neglected loading workpiece
And send sound and light alarm；Second dc source is used to providing 3.4V DC voltage, its output end respectively with signal conditioning circuit,
Data acquisition unit connects with the power input of control computer；
Display alarm system includes projector and audible-visual annunciator：Projector includes projecting apparatus and projector's curtain, wherein
Enlargement key is provided with projecting apparatus, reduces key, function key, determination key and unlatching/Pause key, the input of projecting apparatus and control
The output end connection of computer processed；Audible-visual annunciator includes the buzzer and alarm lamp controlled by control computer, for detecting
Sound and light alarm is sent after having workpiece neglected loading.
The ultrasonic transmission device includes single-chip microcomputer, drive circuit, modulation circuit and ultrasonic wave emitting head, the first direct current
The output end of power supply and the input of single-chip microcomputer connect, and the ultrasonic probe, ultrasonic receiver includes ultrasonic wave and receives head and demodulation electricity
Road, demodulator circuit are connected with signal conditioning circuit.
A kind of method that a kind of workpiece neglected loading monitoring system based on ultrasonic sensing described in is detected, including
Following step：
1) the first ultrasonic wave is arranged on to the corresponding both sides of worker to injection device, the second ultrasonic wave is arranged on to injection device
The corresponding both sides of workpiece；
2) the standard time section that the second ultrasonic wave of setting is interdicted to injection device by workpiece；
3) the first ultrasonic wave is started to injection device, after worker reaches station, after the first ultrasonic wave is interrupted to injection device
Signal is sent to computer is controlled, control computer sends the ultrasonic wave of signal enabling second to injection device；
4) after workpiece reaches station, time that the second ultrasonic wave interdict to injection device start recording by workpiece, and will believe
Control computer number is fed back to, control computer judges whether the situation of workpiece neglected loading according to the signal received：
If the standard time section that the second ultrasonic wave is set to injection device by the time that workpiece interdicts in step 2)
Interior, the system continues to be monitored the workpiece on production line；
If the standard time area that the second ultrasonic wave is not set to injection device by the time that workpiece interdicts in step 2)
In, control computer upon receipt of the signals, sends signal control display alarm system, shows the production where neglected loading workpiece
Line, and send sound and light alarm.
Beneficial effect is：The system includes information acquisition system, information processing system and display alarm system, information gathering
System applies ultrasonic wave to injection device, makes the sensing capability of the system good, can automatically real-time monitor life in good time
The neglected loading of workpiece is whether there is in producing line.The parameter setting at initial stage need to be only carried out, without carrying out manpower intervention during monitoring, is reduced
Unnecessary manpower and time waste, and help to reduce the workpiece neglected loading rate in production process, and improve the product of workpiece assembling
Total quality and security performance.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing briefly describes.Obviously, described accompanying drawing is the part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the system module block diagram of the present invention；
Fig. 3 is the ultrasound line sound pressure variations situation that ultrasonic probe, ultrasonic receiver receives.
Embodiment
Carried out below with reference to the design of embodiment and accompanying drawing to the present invention, concrete structure and caused technique effect clear
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiments obtained on the premise of creative work, belong to protection scope of the present invention.In addition, be previously mentioned in text
All annexations, not singly refer to component and directly connect, and refer to can be according to specific implementation situation, by adding or reducing connection
Auxiliary, to form more excellent attachment structure.Each technical characteristic in the invention, on the premise of not conflicting conflict
Can be with combination of interactions.
As shown in Fig. 1 to 2, a kind of workpiece neglected loading monitoring system based on ultrasonic sensing, including information acquisition system 1,
Information processing system 2 and display alarm system 3, information acquisition system 1 here can be distributed in simultaneously on different production lines
Multiple information acquisition systems 1, they do the data transfer collected to information processing system 2, and by information processing system 2
Go out to judge, wherein：
Information acquisition system 1 includes ultrasonic wave to injection device, the dc source 13 of power amplifier 12 and first：Ultrasonic wave pair
Injection device, which includes being arranged on worker, corresponds to the first ultrasonic wave of both sides to injection device, and is arranged on workpiece and corresponds to the second surpassing for both sides
Sound wave includes ultrasonic transmission device 111 and ultrasonic probe, ultrasonic receiver 112 to injection device, each ultrasonic wave to injection device, surpasses
Acoustic emission apparatus 111 is used to send ultrasound line detection workman or workpiece, and ultrasonic probe, ultrasonic receiver 112 is used to receive ultrasonic wave
The ultrasound line that emitter 111 is sent, as shown in figure 3, when the ultrasound line that ultrasonic transmission device 111 is sent is hindered by workpiece
During gear, ultrasound line acoustic pressure that ultrasonic probe, ultrasonic receiver 112 receives by step-down, according to ultrasound line acoustic pressure step-down it is lasting when
Between, it can be determined that go out the estimation time of workpiece assembling, then by required big of estimation time and conventional the workpiece assembling of workpiece assembling
The general time is contrasted, it can be determined that whether workpiece there may be the situation of neglected loading.The output end of ultrasonic probe, ultrasonic receiver 112 with
The input connection of power amplifier 12；First dc source 12 is used to provide 3.4V direct currents to ultrasonic transmission device 111
Pressure, ensure that ultrasonic transmission device 111 constantly can send ultrasound line by ultrasonic wave emitting head；
Information processing system 2 includes signal conditioning circuit 21, data acquisition unit 22, the control dc source of computer 23 and second
24：Signal conditioning circuit 21 is used to induced signal carrying out voltage increase, and signal is reduced and filtering, its output end are adopted with data
The A/D conversion inputs connection of storage 22；Data acquisition unit 22 is sent to control computer after the signal of collection is carried out into A/D conversions
23 carry out the processing of induced signal；Control computer 23 is used to handle the induced signal that detection collects, and judges that workpiece is
It is no neglected loading to be present, if workpiece has neglected loading, display alarm system 3 is sent a signal to, control display alarm system 3 is shown
Production line where neglected loading workpiece simultaneously sends sound and light alarm；Second dc source 24 is used for the DC voltage for providing 3.4V, and its is defeated
Go out input of the end respectively with signal conditioning circuit 21, data acquisition unit 22 and control computer 23 to be connected.
Display alarm system 3 includes projector 31 and audible-visual annunciator 32：Projector 31 includes projecting apparatus and projector's curtain
Cloth, enlargement key is wherein provided with projecting apparatus, reduces key, function key, determination key and unlatching/Pause key, can be previously according to
The position projected is needed, regulates projecting apparatus various parameters and putting position, projection is clearly presented on projector's curtain
On cloth, with controlling the output end of computer 23 to be connected, projector 31 is receiving from control computer 23 input of projector 31
Signal after, the production line where neglected loading workpiece can be would indicate that；Audible-visual annunciator 32 includes the honeybee controlled by control computer 23
Ring device and alarm lamp, and after workpiece neglected loading has been detected, buzzer sends buzzing alarm, and alarm lamp lights red light and reported
It is alert.
The ultrasonic transmission device 111 includes single-chip microcomputer, drive circuit, modulation circuit and ultrasonic wave emitting head, and first
The output end of dc source 13 and the input of single-chip microcomputer connect, and the ultrasonic probe, ultrasonic receiver 112 includes ultrasonic wave and receives head
And demodulator circuit, demodulator circuit are connected with signal conditioning circuit 21.
A kind of method that a kind of workpiece neglected loading monitoring system based on ultrasonic sensing described in is detected, including
Following step：
1) the first ultrasonic wave is arranged on to the corresponding both sides of worker to injection device, the second ultrasonic wave is arranged on to injection device
The corresponding both sides of workpiece；
2) the standard time section that the second ultrasonic wave of setting is interdicted to injection device by workpiece, 15 to 20 seconds；
3) the first ultrasonic wave is started to injection device, after worker reaches station, after the first ultrasonic wave is interrupted to injection device
Signal is sent to computer 23 is controlled, control computer 23 sends the ultrasonic wave of signal enabling second to injection device；
4) after workpiece reaches station, the time that the second ultrasonic wave is interdicted by workpiece to injection device start recording is (by workpiece
Time spent by the time of blocking i.e. workpiece assembling), and signal is fed back into control computer 23, control the basis of computer 23
The signal received judges whether the situation of workpiece neglected loading：
If the standard time section that the second ultrasonic wave is set to injection device by the time that workpiece interdicts in step 2),
In i.e. 15 to 20 seconds, the system continues to be monitored the workpiece on production line；
If the standard time area that the second ultrasonic wave is not set to injection device by the time that workpiece interdicts in step 2)
Between, i.e., in 15 to 20 seconds, control computer 23 upon receipt of the signals, sends signal control display alarm system 3, shows neglected loading
Production line where workpiece, and send sound and light alarm.
Above example is not limited to the embodiment technical scheme of itself, can be incorporated between embodiment new
Embodiment.The above embodiments are merely illustrative of the technical solutions of the present invention and is not limited, all without departing from the present invention
Any modification of spirit and scope or equivalent substitution, it all should cover in the range of technical solution of the present invention.
Claims (3)
- A kind of 1. workpiece neglected loading monitoring system based on ultrasonic sensing, it is characterised in that：At information acquisition system, information Reason system and display alarm system：Information acquisition system includes ultrasonic wave to injection device, power amplifier and the first dc source：Ultrasonic wave is to injection device bag Include and be arranged on worker and correspond to the first ultrasonic wave of both sides to injection device, and be arranged on workpiece and correspond to the second ultrasonic wave of both sides to penetrating Device, each ultrasonic wave include ultrasonic transmission device and ultrasonic probe, ultrasonic receiver to injection device, and ultrasonic transmission device is used In sending ultrasound line detection workman or workpiece, ultrasonic probe, ultrasonic receiver is used to receive the ultrasonic wave that ultrasonic transmission device is sent The input connection of line, its output end and power amplifier；First dc source is used to provide 3.4V to ultrasonic transmission device DC voltage；Information processing system includes signal conditioning circuit, data acquisition unit, control computer and the second dc source：Signal condition electricity Road is used to induced signal carrying out voltage increase, and signal reduces and filtering, and the A/D conversions of its output end and data acquisition unit are defeated Enter end connection；Data acquisition unit is sent to the processing of control computer progress induced signal after the signal of collection is carried out into A/D conversions； Control computer is used to handle the induced signal that detection collects, and judges that workpiece whether there is neglected loading, if workpiece is present Neglected loading, then send a signal to display alarm system, and the production line where control display alarm system shows neglected loading workpiece is concurrent Go out sound and light alarm；Second dc source is used to providing 3.4V DC voltage, its output end respectively with signal conditioning circuit, data Collector connects with the power input of control computer；Display alarm system includes projector and audible-visual annunciator：Projector includes projecting apparatus and projector's curtain, wherein projecting Enlargement key is provided with instrument, reduces key, function key, determination key and unlatching/Pause key, input and the control electricity of projecting apparatus The output end connection of brain；Audible-visual annunciator includes the buzzer and alarm lamp controlled by control computer, for detecting work Sound and light alarm is sent after part neglected loading.
- A kind of 2. workpiece neglected loading monitoring system based on ultrasonic sensing according to claim 1, it is characterised in that：It is described Ultrasonic transmission device includes single-chip microcomputer, drive circuit, modulation circuit and ultrasonic wave emitting head, the output end of the first dc source Be connected with the input of single-chip microcomputer, the ultrasonic probe, ultrasonic receiver includes ultrasonic wave and receives head and demodulator circuit, demodulator circuit with Signal conditioning circuit connects.
- A kind of 3. side that a kind of workpiece neglected loading monitoring system based on ultrasonic sensing using described in claim 1 is detected Method, it is characterised in that comprise the following steps：1) the first ultrasonic wave is arranged on to the corresponding both sides of worker to injection device, the second ultrasonic wave is arranged on workpiece to injection device Corresponding both sides；2) the standard time section that the second ultrasonic wave of setting is interdicted to injection device by workpiece；3) the first ultrasonic wave is started to injection device, after worker reaches station, the first ultrasonic wave is sent after being interrupted to injection device For signal to computer is controlled, control computer sends the ultrasonic wave of signal enabling second to injection device；4) after workpiece reaches station, time that the second ultrasonic wave is interdicted to injection device start recording by workpiece, and signal is anti- Feed and control computer, control computer judges whether the situation of workpiece neglected loading according to the signal received：If the standard time that the second ultrasonic wave is set to the injection device time that workpiece interdicts in step 2) is in section, this System continues to be monitored the workpiece on production line；If the standard time that the second ultrasonic wave is not set to the injection device time that workpiece interdicts in step 2) is in section, Control computer upon receipt of the signals, send signal control display alarm system, show the production line where neglected loading workpiece, and Send sound and light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079867.0A CN107861483B (en) | 2017-11-06 | 2017-11-06 | Workpiece neglected loading monitoring system based on ultrasonic induction and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079867.0A CN107861483B (en) | 2017-11-06 | 2017-11-06 | Workpiece neglected loading monitoring system based on ultrasonic induction and detection method thereof |
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| Publication Number | Publication Date |
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| CN107861483A true CN107861483A (en) | 2018-03-30 |
| CN107861483B CN107861483B (en) | 2020-12-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907730A (en) * | 2010-06-28 | 2010-12-08 | 重庆大学 | Electromagnetic induction type metal part neglected loading detection and detection method |
| CN102672457A (en) * | 2012-06-05 | 2012-09-19 | 震宇（芜湖）实业有限公司 | Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool |
| CN103777562A (en) * | 2012-10-24 | 2014-05-07 | 亿和精密工业（苏州）有限公司 | Detection missing prevention device |
| KR101406135B1 (en) * | 2013-03-12 | 2014-06-12 | 정의종 | System for detecting defect of ultrasonic sound scan apparatus having electricity equipment |
| CN105364489A (en) * | 2015-12-11 | 2016-03-02 | 江苏宏宝工具有限公司 | Machine drilling device |
-
2017
- 2017-11-06 CN CN201711079867.0A patent/CN107861483B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907730A (en) * | 2010-06-28 | 2010-12-08 | 重庆大学 | Electromagnetic induction type metal part neglected loading detection and detection method |
| CN102672457A (en) * | 2012-06-05 | 2012-09-19 | 震宇（芜湖）实业有限公司 | Part assembling tool with misloading prevention function and process method for assembling parts by using assembling tool |
| CN103777562A (en) * | 2012-10-24 | 2014-05-07 | 亿和精密工业（苏州）有限公司 | Detection missing prevention device |
| KR101406135B1 (en) * | 2013-03-12 | 2014-06-12 | 정의종 | System for detecting defect of ultrasonic sound scan apparatus having electricity equipment |
| CN105364489A (en) * | 2015-12-11 | 2016-03-02 | 江苏宏宝工具有限公司 | Machine drilling device |
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| CN107861483B (en) | 2020-12-01 |
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