CN102410813A - Motor jump detection device and detection method - Google Patents
Motor jump detection device and detection method Download PDFInfo
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- CN102410813A CN102410813A CN2011104109300A CN201110410930A CN102410813A CN 102410813 A CN102410813 A CN 102410813A CN 2011104109300 A CN2011104109300 A CN 2011104109300A CN 201110410930 A CN201110410930 A CN 201110410930A CN 102410813 A CN102410813 A CN 102410813A
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- 238000000034 method Methods 0.000 claims description 17
- 238000003708 edge detection Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000004148 unit process Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
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- 239000007858 starting material Substances 0.000 claims description 2
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- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention discloses a motor bounce detection device, which comprises: a light emitting unit, a motor fixing seat, a light receiving unit, a motor starting unit and a processing unit which are fastened on the detection device; the motor fixing seat is fixed between the transmitting opening of the light emitting unit and the receiving opening of the light receiving unit. By adopting the motor run-out detection device, the non-contact motor run-out detection and the stable and continuous motor rotor shaft run-out detection under normal working voltage are realized, and the motor run-out detection device has the advantages of reasonable operation, high precision and strong stability.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method, refer to a kind of motor jitter detection apparatus and detection method especially.
Background technology
In the prior art, the motor detection of beating is that the operative employee detects with clock gauge behind the rotary rotor that plugs on the appliance special for detecting and obtains data.Because the amount of motor is bigger, motor is beated needs 100% to detect, and the operative employee measuring error can often occur in detecting for a long time.Can cause measuring error even measure also according to normal method; This measuring error derives from input voltage; Because normal input voltage is at 13V, this voltage can make motor rotate with 4000-5000 commentaries on classics/per minute, and so high rotating speed is difficult to fixed electrical machinery; Test the test of like this will influence more or less beating so generally can adopt low-voltage to reduce rotating speed; Also having an aspect also to have influence on measurement, is exactly clock gauge, because the pressure head of clock gauge is pressed in axle head, possibly reduce the amplitude of beating like this, and then influences the test result of beating, and the value that records is littler than actual value usually.
Summary of the invention
The objective of the invention is to overcome the defective of prior art; And a kind of motor jitter detection apparatus and detection method are provided; Realized under non-contact type motor glitch detection and the normal working voltage that the rotor axis of electric steady and continuous ground of beating detects, have operation rationally, precision is high, stability is strong, detection speed is fast, can be by advantages such as quick metering.
The technical scheme that realizes above-mentioned purpose is:
A kind of motor jitter detection apparatus of the present invention comprises:
Be anchored on an Optical Transmit Unit, a motor fixing seat, a light receiving unit, an electric motor starting unit and a processing unit on the said pick-up unit; The emission port of wherein said Optical Transmit Unit is corresponding with the receiving port of said light receiving unit, and said motor fixing seat is fixed between the receiving port of emission port and said light receiving unit of said Optical Transmit Unit.
Above-mentioned Optical Transmit Unit comprises one or a plurality of light emitting diode and a scattering module and the collimator camera lens on emission light optical axis, arranged successively;
Said light receiving unit comprises a telecentric optics assembly and a high-speed linear imageing sensor of on said emission light optical axis, arranging successively, and said high-speed linear imageing sensor connects said processing unit.
Above-mentioned light receiving unit further comprises one at said emission light optical axis and be located at the optical splitter between said telecentric optics assembly and the high-speed linear imageing sensor; With one be positioned at said optical splitter refract light optical axis image sensor, said image sensor connects said processing unit.
Above-mentioned processing unit comprises an analog to digital converter, a digital edge detection process device, a central processing unit, a storer and the display that communication successively connects, and said analog to digital converter is connected with said memory communication; Said analog to digital converter is used to receive the electric signal of said light receiving unit and is digital signal with said electrical signal conversion; Said storer is used to store data; Said digital edge detection process device is used for the digital edge detection process of data; Said central processing unit is used for the function control of said processing unit and the numerical evaluation of data; Said display is used for showing the detection data.
Above-mentioned motor fixing seat comprises a casing and a push pedal, and said push pedal matches with a lateral opening of said casing, and flexibly connects with said casing, and the said push pedal outside and clamps vertical being fastenedly connected of piston rod of cylinder; The end face of said casing forms an opening;
Said electric motor starting unit comprises:
One cylinder support;
One power interface cylinder, said power interface cylinder are anchored on the said cylinder support;
One power interface fixed head, said power interface fixed head vertically is anchored on the piston rod of said power interface cylinder;
One external power source interface, said external power source interface is fixedly arranged on the said power interface fixed head.
A kind of motor glitch detection method of the present invention may further comprise the steps:
Fixing one treats that measured motor is between an Optical Transmit Unit and a light receiving unit;
Start the said measured motor of treating;
Said Optical Transmit Unit is launched a branch of directional light to the armature spindle of said motor, and then the image of the armature spindle of said motor is projected to said light receiving unit;
Said light receiving unit receives the image of said rotor axis of electric to be measured and is to transfer to a processing unit behind the electric signal with said video conversion;
The said electric signal of said processing unit processes also shows testing result;
A said fixing motor step to be measured further comprises:
Treat that with one measured motor puts into a motor fixing seat;
Adjust the said placement direction of treating measured motor;
After receiving a trigger pip, the piston rod of a holder cylinder ejects, and holds out against said motor in holder;
Said starter motor step further comprises:
The piston rod of one power interface cylinder ejects and promotes a power interface fixed head;
Power interface on the said power interface fixed head docks with the power interface of said motor;
Electric motor starting.
At above-mentioned light receiving unit reception image information and in the step of processing unit transmission of electric signals:
Said image is incident upon on the high-speed linear imageing sensor after through a telecentric optics assembly, and said high-speed linear imageing sensor transmits one first electric signal gives processing unit.
The said electric signal of above-mentioned processing unit processes also shows that testing result comprises step:
Through an analog to digital converter said first electrical signal conversion is become one first digital signal;
Through a digital edge detection process device said first digital signal is carried out carrying out the numerical value processing by a central processing unit again after the digital edge detection process, obtain to detect data;
Said detection data storage is sent to a display behind a storer;
Display shows the detection data.
Above-mentioned image is incident upon respectively on a said high-speed linear imageing sensor and the image sensor by an optical splitter after through a telecentric optics assembly; Said image sensor transmits one second electric signal gives processing unit;
The said electric signal of said processing unit processes also shows that testing result further comprises step:
Through said analog to digital converter said second electrical signal conversion is become one second digital signal;
Said second digital signal is stored in said storer and sends to said display;
Display shows the image that rotor axis of electric is beated.
Above-mentioned directional light sends radiant light also successively through obtaining behind a scattering module and the collimator camera lens through one or a plurality of light emitting diode of said Optical Transmit Unit.
The present invention has been owing to adopted above technical scheme, makes it have following beneficial effect to be:
The employing of Optical Transmit Unit and light receiving unit has realized non-contact type motor glitch detection; Motor fixing seat, push pedal and holder cylinder cooperation realized that the effective controlled of monitoring motor fix; Sensor has realized whether identification has the existence of motor.One power interface cylinder, a power interface fixed head and power interface cylinder have realized that controllable electrical power starts.The employing of grating has improved the security of test, can realize that safety detects automatically.Display is used for showing numerical value and the information of detecting; The employing of alarm has improved the security of system.The present invention has realized that rotor axis of electric detects with beating steady and continuous under non-contact type motor glitch detection and the normal working voltage, has the advantage that operation is reasonable, precision is high, stability is strong.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of motor jitter detection apparatus of the present invention and detection method;
Fig. 2 is motor jitter detection apparatus of the present invention and the motor fixing seat of detection method and the structural representation of electric motor starting unit;
Fig. 3 is the schematic diagram of motor jitter detection apparatus of the present invention and detection method.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
See also Fig. 1, Fig. 3, a kind of motor jitter detection apparatus of the present invention comprises:
Be anchored on the pick-up unit Optical Transmit Unit 3 of 1, a motor fixing seat 4, a light receiving unit 2, an electric motor starting unit 5 and a processing unit 9; Wherein the emission port of Optical Transmit Unit 3 is corresponding with the receiving port of light receiving unit 2, and motor fixing seat 4 is fixed between the receiving port of emission port and light receiving unit 2 of Optical Transmit Unit 3.Optical Transmit Unit 3 is fixed on the pick-up unit 1 through a support respectively with light receiving unit 2.Measure and adopt the heed contacted measure technology, rely on Optical Transmit Unit 3 and light receiving unit 2 to come the induction electromotor rotor axle to beat, realized non-contact type motor glitch detection.
Pick-up unit 1 forms an action pane 11, and a pair of grating 7 is anchored on the outer wall of action pane 11 dual-sides.The employing of grating 7 has realized the operator motor 8 motor fixing seat 4 of packing into, and both hands leave the function of device start behind grating 7 induction regions, has improved the security of test, can realize that safety detects automatically.
See also Fig. 2; Motor fixing seat 4 comprises that a casing 41 and is positioned at the push pedal (not shown) of casing 41 inside; Push pedal matches with a lateral opening of casing 41, and flexibly connects with casing 41, and vertical being fastenedly connected of piston rod of the push pedal outside and a holder cylinder 6; The end face of casing 41 forms an opening 42.Motor fixing seat 4 also comprises a sensor, and sensor is anchored in the casing 41.
Electric motor starting unit 5 comprises: a cylinder support 51; One power interface cylinder 52, power interface cylinder 52 are anchored on the cylinder support 51; One power interface fixed head 53; Power interface fixed head 53 vertically is anchored on the piston rod of power interface cylinder 52; An external power source interface that sets firmly on the motor face at power interface fixed head 53; And the power connector on the corresponding motor 8 in the position of this external power source interface; Promote the external power source interface through power interface cylinder 52 and connect the power connector on the motor 8, the process that patches of whole power supply adopts power interface cylinder 52 levels to advance form, can prevent to greatest extent that like this connection of connector from influencing beating of rotor axis of electric 81.
One alarm is anchored on the pick-up unit 1, alarm equipment alarm when the jitter values of armature spindle surpasses the scope of setting, and the employing of alarm has improved the security of system.
See also Fig. 3, Optical Transmit Unit 3 comprises one or a plurality of gallium nitride (GaN) high brightness LED 31 and a scattering module 32 and the collimator camera lens 33 on emission light optical axis, arranged successively; The cooperation of scattering module 32 and collimator camera lens 33 realizes obtaining more uniform directional light.
Light receiving unit 9 further comprise one the emission light optical axis and be located at telecentric optics assembly 22 and high-speed linear imageing sensor 21 between optical splitter 23; Optical splitter 23 becomes a fixed angle with emission light optical axis; On the refract light optical axis of optical splitter 23, be provided with an image sensor 24, image sensor 24 adopts CMOS image sensor and connection processing unit 9.
The digital edge detection process device of the analog to digital converter 91, that processing unit 9 comprises successively that communication connects 92, a central processing unit 93, a storer 94 and a display 95, and analog to digital converter 91 is communicated by letter with storer 94 and is connected; Analog to digital converter 91 is used to receive the electric signal of light receiving unit 2 and is digital signal with electrical signal conversion; Storer 94 is used to store data; Numeral edge detection process device 92 is used for the digital edge detection process of data; Central processing unit 93 is used for the function control of processing unit 9 and the numerical evaluation of data; Display 95 is used for showing the detection data, detects data and comprises detection numerical value and armature spindle image.
See also Fig. 2, Fig. 3, when detecting, at first fixing one treats that measured motor 8 between an Optical Transmit Unit 3 and a light receiving unit 2, comprising:
Treat that with one measured motor 8 puts into a motor fixing seat 4, the sensors in the motor fixing seat 4 judge that motors 8 exist;
The placement direction of measured motor 8 is treated in adjustment; Placement direction is according to the shape adjustments of opening 42;
After receiving a trigger pip, this trigger pip shifts out checkout equipment by operator's hand, triggers grating 7 and obtains; The piston rod of one holder cylinder 6 ejects, and holds out against motor 8 in holder 4, makes motor 8 secure fixation in motor fixing seat 4.
Then, the piston rod of a power interface cylinder 5 eject and level promote a power interface fixed head 53;
Power interface on the power interface fixed head 53 docks with the power interface of motor 8;
Motor 8 starts.
Optical Transmit Unit 3 is to light receiving unit 2 and rotor axis of electric 81 emitting parallel lights;
Directional light sends radiant light also successively through scattering module 32 and the 33 back acquisitions of collimator camera lens through one or a plurality of high-brightness GaN light emitting diode 31 of Optical Transmit Unit 3.
This image is incident upon respectively on high-speed linear imageing sensor 21 (high-speed linear CCD) and image sensor 24 (CMOS) by an optical splitter 23 through a telecentric optics assembly 22 backs;
Afterwards, high-speed linear CCD and CMOS image sensor 24 transmit one first electric signal and one second electric signal respectively and give control module 9;
Through analog to digital converter 91 first electric signal is become one first digital signal and one second digital signal with second electrical signal conversion;
Wherein first digital signal carries out carrying out the numerical value processing by central processing unit 93 again after the digital edge detection process through a digital edge detection process device 92, obtains final detection data;
Should detect data storage and behind storer 94, send to display 95;
Simultaneously, second digital signal is stored in storer 94 and sends to display 95;
Alarm equipment alarm when the jitter values of armature spindle surpasses the scope of setting.
More than combine accompanying drawing embodiment that the present invention is specified, those skilled in the art can make the many variations example to the present invention according to above-mentioned explanation.Thereby some details among the embodiment should not constitute qualification of the present invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (10)
1. a motor jitter detection apparatus is characterized in that, comprising: be anchored on an Optical Transmit Unit, a motor fixing seat, a light receiving unit, an electric motor starting unit and a processing unit on the said pick-up unit; The emission port of wherein said Optical Transmit Unit is corresponding with the receiving port of said light receiving unit, and said motor fixing seat is fixed between the receiving port of emission port and said light receiving unit of said Optical Transmit Unit.
2. motor jitter detection apparatus according to claim 1 is characterized in that, said Optical Transmit Unit comprises one or a plurality of light emitting diode and a scattering module and the collimator camera lens on emission light optical axis, arranged successively;
Said light receiving unit comprises a telecentric optics assembly and a high-speed linear imageing sensor of on said emission light optical axis, arranging successively, and said high-speed linear imageing sensor connects said processing unit.
3. motor jitter detection apparatus according to claim 2; It is characterized in that; Said light receiving unit further comprises one at said emission light optical axis and be located at the optical splitter between said telecentric optics assembly and the high-speed linear imageing sensor; With one be positioned at said optical splitter refract light optical axis image sensor, said image sensor connects said processing unit.
4. according to claim 2 or 3 described motor jitter detection apparatus; It is characterized in that; Said processing unit comprises an analog to digital converter, a digital edge detection process device, a central processing unit, a storer and the display that communication successively connects, and said analog to digital converter is connected with said memory communication; Said analog to digital converter is used to receive the electric signal of said light receiving unit and is digital signal with said electrical signal conversion; Said storer is used to store data; Said digital edge detection process device is used for the digital edge detection process of data; Said central processing unit is used for the function control of said processing unit and the numerical evaluation of data; Said display is used for showing the detection data.
5. motor jitter detection apparatus according to claim 1 is characterized in that,
Said motor fixing seat comprises a casing and a push pedal, and said push pedal matches with a lateral opening of said casing, and flexibly connects with said casing, and the said push pedal outside and clamps vertical being fastenedly connected of piston rod of cylinder; The end face of said casing forms an opening;
Said electric motor starting unit comprises:
One cylinder support;
One power interface cylinder, said power interface cylinder are anchored on the said cylinder support;
One power interface fixed head, said power interface fixed head vertically is anchored on the piston rod of said power interface cylinder;
One external power source interface, said external power source interface is fixedly arranged on the said power interface fixed head.
6. a motor glitch detection method is characterized in that, comprises the steps:
Fixing one treats that measured motor is between an Optical Transmit Unit and a light receiving unit;
Start the said measured motor of treating;
Said Optical Transmit Unit is launched a branch of directional light to the armature spindle of said motor, and then the image of the armature spindle of said motor is projected to said light receiving unit;
Said light receiving unit receives the image of said rotor axis of electric to be measured and is to transfer to a processing unit behind the electric signal with said video conversion;
The said electric signal of said processing unit processes also shows testing result;
A said fixing motor step to be measured further comprises:
Treat that with one measured motor puts into a motor fixing seat;
Adjust the said placement direction of treating measured motor;
After receiving a trigger pip, the piston rod of a holder cylinder ejects, and holds out against said motor in holder;
Said starter motor step further comprises:
The piston rod of one power interface cylinder ejects and promotes a power interface fixed head;
Power interface on the said power interface fixed head docks with the power interface of said motor;
Electric motor starting.
7. motor glitch detection method according to claim 6 is characterized in that, at said light receiving unit reception image information and in the step of processing unit transmission of electric signals:
Said image is incident upon on the high-speed linear imageing sensor after through a telecentric optics assembly, and said high-speed linear imageing sensor transmits one first electric signal gives processing unit.
8. motor glitch detection method according to claim 7 is characterized in that, the said electric signal of said processing unit processes also shows that testing result comprises step:
Through an analog to digital converter said first electrical signal conversion is become one first digital signal;
Through a digital edge detection process device said first digital signal is carried out carrying out the numerical value processing by a central processing unit again after the digital edge detection process, obtain to detect data;
Said detection data storage is sent to a display behind a storer;
Display shows the detection data.
9. motor glitch detection method according to claim 8 is characterized in that, said image is incident upon respectively on a said high-speed linear imageing sensor and the image sensor by an optical splitter after through a telecentric optics assembly; Said image sensor transmits one second electric signal gives processing unit;
The said electric signal of said processing unit processes also shows that testing result further comprises step:
Through said analog to digital converter said second electrical signal conversion is become one second digital signal;
Said second digital signal is stored in said storer and sends to said display;
Display shows the image that rotor axis of electric is beated.
10. according to Claim 8 or 9 described motor glitch detection methods, it is characterized in that one or a plurality of light emitting diode of said directional light through said Optical Transmit Unit sends radiant light and successively through obtaining behind a scattering module and the collimator camera lens.
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| CN201110410930.0A CN102410813B (en) | 2011-12-12 | 2011-12-12 | Motor jolt detection device and method |
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| CN201110410930.0A CN102410813B (en) | 2011-12-12 | 2011-12-12 | Motor jolt detection device and method |
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| CN102410813B CN102410813B (en) | 2014-03-19 |
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| CN106168462A (en) * | 2015-05-19 | 2016-11-30 | 发那科株式会社 | Axle precision determination device |
| CN106969710A (en) * | 2017-05-26 | 2017-07-21 | 四川瑞丰锻造有限公司 | It is easy to the stable type optical splitter of detection |
| CN108955592A (en) * | 2018-07-13 | 2018-12-07 | 成都添益天然气压缩机制造有限公司 | The detection device of piston rod jitter values |
| CN110988685A (en) * | 2019-12-13 | 2020-04-10 | 青岛丰光精密机械股份有限公司 | Device for motor shaft inspection |
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| Publication number | Publication date |
|---|---|
| CN102410813B (en) | 2014-03-19 |
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