CN108872891A - The device and method of measurement scale electromagnet action response time and speed - Google Patents
The device and method of measurement scale electromagnet action response time and speed Download PDFInfo
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- CN108872891A CN108872891A CN201810430275.7A CN201810430275A CN108872891A CN 108872891 A CN108872891 A CN 108872891A CN 201810430275 A CN201810430275 A CN 201810430275A CN 108872891 A CN108872891 A CN 108872891A
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- 238000005259 measurement Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 230000005284 excitation Effects 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000004445 quantitative analysis Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The invention discloses the device of a kind of measurement scale electromagnet action response time and speed, the relay is for controlling on/off electromagnet power supply；The reference signal sample circuit is for recording electromagnet excitation signal；The vibration signal sample circuit is used to acquire the vibration signal of vibrating sensor；For the recorder there are two channel, reference signal sample circuit accesses first passage, and vibration signal sample circuit accesses second channel, and the two paths of signals of acquisition is passed to central processing unit, shown by host computer and analyze signal curve by recorder；The single-chip microcontroller issues step pulse signal, controls the movement of relay and recorder.And disclose the method for measurement scale electromagnet action response time and speed.The present invention can be used for effectively detecting electromagnet action response performance, provide foundation for the electromagnet progress quantitative analysis of variety classes, different batches, Different Individual.
Description
Technical field
The present invention relates to the devices of a kind of measurement scale electromagnet action response time and armature speed, belong to electromagnetism control
Field processed.
Background technique
Common proportioning valve mostly uses proportion electro-magnet, and proportion electro-magnet is designed according to electromagnetic principle, can make its production
Raw mechanical quantity (power or torque and displacement) is proportional to the size of input electrical signal (electric current), then continuous control hydraulic valve valve core
Position, and then realize continuous control hydraulic system pressure, direction and flow.Proportion electro-magnet is by coil, armature, push rod etc.
Composition, when there is signal input line circle, magnetic field generates active force to armature in coil, and armature is in magnetic field by the big of signal code
It is small and direction is proportional, continuously moves, then the pin by being fixed together drives pushrod movement, thus spool control valve valve core
Movement.
The main technical requirements of comparative example electromagnet have：1. horizontal displacement force characteristic, i.e., in the effective work of proportion electro-magnet
Make in stroke, when one timing of coil current, power output is kept constant, unrelated with displacement；2. steady-state current force characteristic has good
The good linearity, lesser dead zone and hysteresis；3. dynamic characteristic step response is fast, frequency response is high.
Electromagnet reaches time used in range, i.e. action response time from coil energization to armature motion, characterizes
The sensitivity of electromagnet response, is one item important technology index, and one of dynamic response characteristic of proportion electro-magnet is to measure
The index.Response time and speed existing individual difference between different proportion electromagnet are bigger, consequently, it is frequently necessary to compare
Example electromagnet action response time and speed measure." power sound is usually only done in the measurement of electromagnet dynamic response characteristic at present
Answer " measurement, i.e., the time used is powered on when there is nominal force output to electromagnet.And another is special for electromagnet dynamic response
Property --- " actuation time response " powers on to armature from electromagnet and is moved to maximum position (limit film, limit film are generally solid
Be scheduled on shell) used in the time, due to be difficult in advance grasp Different Individual the practical moving distance of electromagnet armature, using general
Position sensor it is usually bad by armature lifter top or there are larger measurement error and increase the complexity of measurement, so as to cause
Measurement accuracy is low, and measurement difficulty is big, hardly does the measurement of " actuation time response " this respect at present.
Summary of the invention
The object of the present invention is to provide the devices of a kind of measurement scale electromagnet action response time and speed.
The technical solution adopted by the present invention is：A kind of device of measurement scale electromagnet action response time and speed, packet
It includes：Power supply relay, step signal generating unit, reference signal sample circuit, vibrating sensor, vibration signal sample circuit,
Recorder, SCM system, host computer, the step signal generating unit generate step pulse signal, are loaded into power supply relay
On device；The power supply relay is for controlling on/off electromagnet power supply；The reference signal sample circuit and electromagnetism iron wire
Circle is in parallel, for acquiring the electric impulse signal of excitation electromagnet armature movement；The vibrating sensor is adjacent in electromagnet housing
On any position, since vibrating sensor and armature lifter are not directly contacted with, armature lifter shock not will receive；The vibration letter
Number sample circuit is used to acquire the vibration signal of vibrating sensor, and vibration signal is from movement of the armature in cavity and armature
When being moved to maximum position and the shock of limit film；There are two channel, reference signal sample circuit accesses first for the recorder
Channel, vibration signal sample circuit access second channel, and the two paths of signals of synchronous acquisition is passed to SCM system by recorder；
The host computer receives the data that SCM system transmits, and shows and analyze signal curve, and issue control to single-chip microcontroller and refer to
It enables；The SCM system issues step pulse signal control power supply relay, and control recorder, receives recorder number
According to host computer transmission data, reception PC control instruction, control power power-supply is exported, and monolithic processor controlled recorder is adopted
Sample frequency can be set, and SCM Based recorder sample frequency is high, the sampling period is short, to improve the time point of measurement
Resolution, above two factor result in the raising of the action response time measurement accuracy of electromagnet.
The invention also discloses the methods of a kind of measurement scale electromagnet action response time and speed, based on above-mentioned dress
Realization is set, step includes：
(1), single-chip microcontroller generates step pulse signal, is loaded on power supply relay；
(2), power supply relay connects power power-supply, and electromagnet power supply is connected in control, so that electromagnet armature be excited to move；
(3), the voltage signal of reference signal sample circuit acquisition excitation electromagnet armature movement, and it is sent to recorder the
One channel；
(4), vibrating sensor induction armature motion and armature hit the vibration signal that limit film generates, wherein at shock pair
Answer armature maximum travel position, the vibration signal amplitude that when shock generates is maximum, and vibration signal sample circuit acquires vibration letter
Number and be sent to recorder second channel；Vibrating sensor is not contacted with armature lifter, not will receive shock.
(5), the two paths of signals of acquisition is passed to host computer by single-chip microcontroller by recorder, and host computer is drawn according to two paths of signals
Produce two time-domain curves.Using the voltage excitation signal that electromagnet obtains as reference signal, vibration signal is compared by analysis
Peak position and reference signal transition position to get arrive the electromagnet action response time and speed.
Beneficial effects of the present invention are：The present invention by single-chip microcontroller generate specific current excitation signal be loaded onto it is tested
On electromagnet, then the excitation signal that reference signal sample circuit acquisition electromagnet is born incudes armature with vibrating sensor
The vibration signal that movement generates carries out reference, since monolithic processor controlled recorder is excited with fixed Frequency Synchronization acquisition and recording
Signal and vibration signal compare vibration signal peak position and reference signal transition position by analysis, and available armature exists
It determines the run duration in stroke, the action response time and speed of the electromagnet can be directly obtained, do not need to believe two-way
Number time delay measure and calibrate, improve the precision of measurement.Due to the vibrating sensor used, not with armature lifter
It directly contacts, is not only not easy to be knocked damage, but also high sensitivity is in general mechanical trigger-type sensor, it is crucial that and also
Help to improve measurement accuracy, both without photo-electric sensor light Shu great little influence measurement accuracy, also without force sensor measuring when pair
The reaction force bring measurement error of armature, therefore inductive signal is more acurrate reliably, measurement accuracy is higher；And it is based on monolithic
The recorder sample frequency of machine is high, the sampling period is short, to improve temporal resolution, above two factor results in electromagnetism
The raising of the action response time measurement accuracy of iron.Speed can be directly obtained by response time and movement travel.The present invention surveys
The device and method of amount proportion electro-magnet action response time and speed can be used for carrying out electromagnet action response performance effective
Detection provides foundation for the electromagnet progress quantitative analysis of variety classes, different batches, Different Individual, is capable of providing to life
Produce enterprise and a kind of effective detection means of product user, can blindness to avoid production and the randomness that uses, ensure that
Product quality.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of measurement scale electromagnet action response time and speed.
Fig. 2 is the measuring circuit schematic diagram of the device of measurement scale electromagnet action response time and speed
The present invention is further illustrated with reference to the accompanying drawings and examples.
Specific embodiment
Embodiment 1
The device of this measurement scale electromagnet action response time and speed, including：Power supply relay K1, step signal hair
Raw unit Q1, reference signal sample circuit R2, vibrating sensor LS1, vibration signal sample circuit U1, recorder J1, single-chip microcontroller
System S1, host computer P1, the step signal generating unit Q1 generate step pulse signal, are loaded on power supply relay K1；
The power supply relay K1 is for controlling on/off electromagnet power supply V1；The reference signal sample circuit R2 and electromagnet
MG1 coils from parallel connection of coils, for acquiring the electric impulse signal of excitation electromagnet MG1 armature movement；The vibrating sensor LS1 is adjacent to
On electromagnet MG1 shell, what the vibration signal sample circuit U1 was used to acquire vibrating sensor LS1 receives vibration signal,
When vibration signal is moved to maximum position from movement of the armature in cavity and armature and the shock of limit film；The record
For instrument J1 there are two channel, reference signal sample circuit R2 accesses first passage, and vibration signal sample circuit U1 accesses second channel,
The two paths of signals of synchronous acquisition is passed to SCM system S1 by recorder J1；The host computer P1 receives SCM system S1
The data transmitted show and analyze reference signal and vibration signal curve, and issue control instruction to single-chip microcontroller S1；The monolithic
Machine system S1, instruction step signal generating unit Q1 issue step pulse signal control power supply relay K1, and control record
Instrument J1 receives recorder J1 data, sends data to host computer P1, receives host computer P1 control instruction, controls power power-supply V1
Output.
Embodiment 2
The method of measurement scale electromagnet action response time and speed, the device realization based on embodiment 1, step packet
It includes：
(1), single-chip microcontroller generates step pulse signal, is loaded on power supply relay；10 milliseconds~5000 milli of pulse width
Second, 0~5V of impulse amplitude, step signal rise/fall time<1 microsecond.
(2), power supply relay connects power power-supply, and electromagnet power supply is connected in control, so that electromagnet armature be excited to move；
Power power-supply is controlled by single-chip microcontroller, and output power is adjustable.
(3), the voltage signal of reference signal sample circuit acquisition excitation electromagnet armature movement, and it is sent to recorder the
One channel；At the time of by sample circuit, obtaining the voltage data of electromagnet coil acquisition, and then obtain coil and power on, instruction
Out at the time of armature setting in motion.
(4), vibrating sensor is close to electromagnet housing, it is not necessary to contact with armature, incude armature motion and armature hits limit
The vibration signal that bit slice generates, wherein corresponds to armature maximum travel position at armature shock, the vibration signal width that when shock generates
Degree is maximum, and vibration signal sample circuit acquires the vibration signal and is sent to recorder second channel；After electromagnet coil powers on,
Armature starts smooth sliding, and sampled signal is basicly stable, when armature motion to maximum stroke strikes limit film, sampled signal
Acute variation occurs, indicates armature motion finish time.
(5), the two paths of signals of acquisition is passed to host computer by single-chip microcontroller by recorder, and host computer is drawn according to two paths of signals
Produce two time-domain curves.Using the voltage excitation signal that electromagnet obtains as reference signal, the peak of vibration signal is compared in analysis
It is worth position and reference signal transition position, obtains armature and determining the run duration in stroke, the electromagnet can be obtained in spy
Action response time under fixed working voltage (or electric current).By electromagnet movement travel, by calculating, available armature motion
Average speed.
Those skilled in the art are supplied to the purpose described to the description of the various embodiments of the application above.It is not
It is intended to exhaustion or be not intended to and limit the invention to single disclosed embodiment.As described above, the application's is various
Substitution and variation will be apparent for above-mentioned technology one of ordinary skill in the art.Therefore, although specifically begging for
Some alternative embodiments are discussed, but other embodiment will be apparent or those skilled in the art are opposite
It is easy to obtain.The application is intended to include all substitutions of the invention discussed herein, modification and variation, and falls in
Other embodiment in the spirit and scope of above-mentioned application.
Claims (2)
1. a kind of device of measurement scale electromagnet action response time and speed, including：Power supply relay, step signal occur
Unit, reference signal sample circuit, vibrating sensor, vibration signal sample circuit, recorder, SCM system, host computer；
The step signal generating unit generates step pulse signal, is loaded on power supply relay；
The power supply relay is for controlling on/off electromagnet power supply；
The reference signal sample circuit is in parallel with electromagnet coil, for acquiring the electric pulse letter of excitation electromagnet armature movement
Number；
The vibrating sensor is adjacent on electromagnet housing, not will receive armature lifter shock；
The vibration signal sample circuit is used to acquire the vibration signal of vibrating sensor, and vibration signal is from armature in cavity
In movement and armature when being moved to maximum position and the shock of limit film；
For the recorder there are two channel, reference signal sample circuit accesses first passage, vibration signal sample circuit access the
The two paths of signals of synchronous acquisition is passed to SCM system by two channels, recorder；
The SCM system, control step signal generating unit generate step pulse signal driving power relay, and control
Recorder processed receives recorder data, sends data to host computer, receives PC control instruction, control power power-supply output；
The host computer receives the data that SCM system transmits, and shows and analyze signal curve, and issue and control to single-chip microcontroller
Instruction.
2. a kind of method of measurement scale electromagnet action response time and speed, the device based on claim 1 is realized, step
Suddenly include：
(1), SCM system instruction step signal generating unit generates step pulse signal, is loaded on power supply relay；
(2), power supply relay connects power power-supply, and electromagnet power supply is connected in control, so that electromagnet armature be excited to move；
(3), the voltage signal of reference signal sample circuit acquisition excitation electromagnet armature movement, and it is logical to be sent to recorder first
Road；
(4), vibrating sensor induction armature motion and armature hit the vibration signal that limit film generates, wherein corresponding rank at shock
Iron maximum travel position, the vibration signal amplitude that when shock generates is maximum, and vibration signal sample circuit acquires the vibration signal simultaneously
It is sent to recorder second channel；Vibrating sensor is not contacted with armature lifter, not will receive shock；
(5), the two paths of signals of acquisition is passed to host computer by SCM system by recorder, and host computer is drawn according to two paths of signals
Two time-domain curves are produced, using the voltage excitation signal that electromagnet obtains as reference signal, the peak of vibration signal is compared in analysis
It is worth position and reference signal transition position, obtains armature and determining the run duration in stroke, the dynamic of the electromagnet can be obtained
Make response time and speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430275.7A CN108872891B (en) | 2018-05-08 | 2018-05-08 | Device and method for measuring action response time and speed of proportional electromagnet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810430275.7A CN108872891B (en) | 2018-05-08 | 2018-05-08 | Device and method for measuring action response time and speed of proportional electromagnet |
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| CN108872891B CN108872891B (en) | 2020-03-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112816814A (en) * | 2020-12-31 | 2021-05-18 | 苏州耀德科电磁技术有限公司 | Electromagnet actuation time and current curve acquisition system |
| CN116338538A (en) * | 2022-08-24 | 2023-06-27 | 北京易动宇航科技有限公司 | DC electromagnet response time identification method based on feature identification |
| CN117434878A (en) * | 2023-12-22 | 2024-01-23 | 山东朝辉自动化科技有限责任公司 | Monitoring device for digital stock ground intelligent control equipment based on unmanned aerial vehicle |
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| CN117434878A (en) * | 2023-12-22 | 2024-01-23 | 山东朝辉自动化科技有限责任公司 | Monitoring device for digital stock ground intelligent control equipment based on unmanned aerial vehicle |
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| CN108872891B (en) | 2020-03-24 |
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