CN104677541A - Dynamic and static performance testing device of proportion electromagnet - Google Patents
Dynamic and static performance testing device of proportion electromagnet Download PDFInfo
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- CN104677541A CN104677541A CN201510054131.2A CN201510054131A CN104677541A CN 104677541 A CN104677541 A CN 104677541A CN 201510054131 A CN201510054131 A CN 201510054131A CN 104677541 A CN104677541 A CN 104677541A
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- 238000007906 compression Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 12
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- 238000006073 displacement reaction Methods 0.000 description 23
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Abstract
The invention provides a dynamic and static testing performance device of a proportion electromagnet. The dynamic and static testing performance device comprises a bottom board, a static performance testing mechanism, a dynamic performance testing mechanism, a first actuator support and a second actuator support, wherein the static performance testing mechanism, the dynamic performance testing mechanism, the first actuator support and the second actuator support are arranged on the bottom board, the to-be-tested proportion electromagnet is arranged on the first actuator support and the second actuator support, the static performance testing mechanism is used for testing the static performance of the to-be-tested proportion electromagnet, and the dynamic performance electromagnet is used for testing the dynamic performance of the to-be-tested proportion electromagnet. According to the dynamic and static testing performance device provided by the invention, not only can the static performance of the proportion electromagnet be tested, but also the dynamic performance of the proportion electromagnet can be tested, the testing content is comprehensive, and the accuracy, the efficiency and the automation degree of a testing process can be greatly increased by combining devices such as an industrial personal computer and a multifunctional data collection card.
Description
Technical field
The present invention relates to electromagnet technical field of measurement and test, relate to a kind of proportion electro-magnet dynamic and static state performance proving installation specifically.
Background technology
Proportion electro-magnet is as the electricity in proportional control element-mechanical switch device, and its function is the electric signal converting to force or displacement that Proportional Amplifer are exported.Due to structural particular design, proportion electro-magnet has good " power-displacement " horizontal nature in its impulse stroke.In addition, compared with all the other " electricity-machinery " converters, proportion electro-magnet has that thrust is large, structure simple, less demanding to oil, with low cost, and the comprehensive advantages such as functions expanding is strong, have therefore won the extensive favor of ratio control field user.
As the key element in ratio control system, the dynamic and static state performance of proportion electro-magnet has material impact to whole control system, needs to be tested it by rational proving installation.
Nineteen ninety is published in paper on High-Voltage Electrical Appliances the 1st phase mensuration of electromagnet dynamic state suction characteristic " in the electromagnetic mechanism " and proposes a kind of resistance strain gage measuring technology that adopts to measure the dynamic state suction characteristic of ZN4-10/1000-16 type vacuum circuit breaker DC electromagnet used.This method of testing is relatively more direct, but measuring accuracy is limited, and needs more manual operations, and automaticity is low.
Calendar year 2001 is published in paper " exploitation of hydraulic pressure valve control electromagnet CAT system " on Tongji University's journal the 29th volume the 4th phase for the supporting testing software of certain type hydraulic pressure valve control electromagnet CAT testing table, has set forth testing software and has realized the feature in data sampling and processing, curve output function etc.This system belongs to microcomputer type data acquisition system (DAS), and hardware components comprises test-bed, sensor, pre-process circuit, capture card, computing machine and peripherals, and software development adopts Visual C++6.0.Robotization can complete the Acquire and process of test data, curve of output and test report on screen and printer, measuring accuracy and efficiency all improve a lot, but its function ratio is more single, mainly complete displacement-suction experimental test work of electromagnet.And mainly stress the principle introducing whole system, do not relate to concrete test bed.
Application number be 201310112752.2 Chinese patent propose a kind of static characteristic test equipment for proportional electromagnet, it mainly comprises servomotor, ball-screw, displacement transducer, force snesor, control panel and computing machine, there is total digitalization display, good man-machine interface, the advantages such as higher measuring accuracy and testing efficiency.But it is for the static characteristics of proportion electro-magnet, function is comprehensive not.
Therefore, a kind of measuring accuracy is designed and automaticity is high, complete function, easy to operate ratio electromagnet performance test device have important practical significance.
Summary of the invention
The object of the invention is in order to provide a kind of can the properties of comprehensive and accurate test proportion electro-magnet, the proportion electro-magnet dynamic and static state performance proving installation that the design and optimization for proportion electro-magnet lays the foundation.
The object of the present invention is achieved like this: comprise base plate, be arranged on the static properties mechanism for testing on base plate, be arranged on the dynamic performance testing mechanism on base plate and the first actuator bracket be arranged on base plate and the second actuator bracket, tested proportion electro-magnet is arranged on the first described actuator bracket and the second actuator bracket, described static properties mechanism for testing comprises the electric cylinder support be arranged on base plate, be arranged on the electric cylinder on electric cylinder support, tension-compression sensor and push rod, the output shaft of electric cylinder and the two ends of tension-compression sensor are provided with threaded hole, the connecting pin all arranging screw thread by two ends between the output shaft of electric cylinder and tension-compression sensor links together, one end of push rod is provided with external thread and is arranged in the threaded hole of tension-compression sensor by threaded engagement, the other end of push rod arranges a vertical holes along the direction perpendicular to push rod axis, the tested proportion electro-magnet corresponding with static properties mechanism for testing is arranged on the first actuator bracket, the output terminal of tested proportion electro-magnet is installed with and steps up block on first and step up block first time, step up block left end first time and the first cylinder boss is set, described first cylinder boss is respectively arranged with the first circular hole vertically and the second circular hole perpendicular to axial direction, the other end of push rod is arranged in the first circular hole, the vertical holes arranged perpendicular to the direction of push rod axis and the second circular hole coaxial line and in vertical holes and the second circular hole, pin is installed,
Described dynamic performance testing mechanism comprises the backing plate be arranged on base plate, be arranged on the guide rail on backing plate, the coupling shaft being arranged on the moveable installing plate on guide rail and being arranged on moveable installing plate, the end of coupling shaft is provided with external thread, the tested proportion electro-magnet corresponding with dynamic performance testing mechanism is arranged on the second actuator bracket, the output terminal of tested proportion electro-magnet is installed with and steps up block on second and step up block second time, the left end stepping up block for second time is provided with the second cylinder boss, second cylinder boss is provided with external thread, coupling shaft and the second cylinder boss are linked together by the female swivel nut of tool.
Compared with prior art, the invention has the beneficial effects as follows: the present invention both can test the static properties of proportion electro-magnet, the dynamic property of proportion electro-magnet can be tested again, content measurement is comprehensive, can improve the precision of test process, efficiency and automaticity greatly in conjunction with the equipment such as industrial computer, multifunctional data acquisition card.
Accompanying drawing explanation
Fig. 1 is the front view of static properties mechanism for testing of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the front view of dynamic performance testing mechanism of the present invention;
Fig. 4 is the left view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Composition graphs 1 to Fig. 4, the present invention includes proportion electro-magnet static properties mechanism for testing and proportion electro-magnet dynamic performance testing mechanism two large divisions.Specifically: the present invention includes base plate 3, be arranged on the static properties mechanism for testing on base plate 3, the first actuator bracket 10 and the second actuator bracket 18 being arranged on the dynamic performance testing mechanism on base plate 3 and being arranged on base plate 3, tested proportion electro-magnet 11 is arranged on the first described actuator bracket 10 and the second actuator bracket 18, described static properties mechanism for testing comprises the electric cylinder support 2 be arranged on base plate 3, be arranged on the electric cylinder 1 on electric cylinder support 2, tension-compression sensor 5 and push rod 6, the output shaft of electric cylinder 1 and the two ends of tension-compression sensor 5 are provided with threaded hole, the connecting pin 4 all arranging screw thread by two ends between the output shaft of electric cylinder and tension-compression sensor 5 links together, all there is external thread at connecting pin 4 two ends specifically, all there is internal thread hole at output shaft and tension-compression sensor 5 two ends of electric cylinder 1, the cylinder output shaft of electronic 1 and tension-compression sensor 5 are linked together by thread connection by connecting pin 4, one end of push rod 6 is provided with external thread and is arranged on by threaded engagement in the threaded hole of tension-compression sensor 5, the other end of push rod 6 arranges a vertical holes along the direction perpendicular to push rod axis, the tested proportion electro-magnet 11 corresponding with static properties mechanism for testing is arranged on the first actuator bracket 10, the output terminal of tested proportion electro-magnet 11 is installed with and steps up block 9 on first and step up block 8 first time, also namely step up that block 8 and first step up block 9 for first time to be fixed together by the output terminal of bolt and tested proportion electro-magnet 11, the left end stepping up block 8 for first time arranges the first cylinder boss, described first cylinder boss is respectively arranged with the first circular hole vertically and the second circular hole perpendicular to axial direction, the other end pushing away 6 bars is arranged in the first circular hole, the vertical holes arranged perpendicular to the direction of push rod axis and the second circular hole coaxial line and in vertical holes and the second circular hole, pin 7 is installed, also namely there is screw thread one end of described push rod 6, the other end has the vertical holes perpendicular to push rod axis, step up block 8 left end for first time and have the first cylinder boss, first cylinder boss there are circular hole vertically and circular hole perpendicular to axial direction, the threaded hole of push rod 6 threaded end and tension-compression sensor 5 coordinates, in the axial hole that push rod 6 has circular hole end can be inserted on the first cylinder boss, pin 7 is inserted in both circular hole perpendicular to axial direction, realize fixing, described dynamic performance testing mechanism comprises the backing plate 21 be arranged on base plate 3, be arranged on the guide rail 20 on backing plate 21, the coupling shaft 14 being arranged on the moveable installing plate 13 on guide rail 20 and being arranged on moveable installing plate 13, the end of coupling shaft 14 is provided with external thread, the tested proportion electro-magnet 11 corresponding with dynamic performance testing mechanism is arranged on the second actuator bracket 18, the output terminal of tested proportion electro-magnet 11 is installed with and steps up block 17 on second and step up block 16 second time, the left end stepping up block 16 for second time is provided with the second cylinder boss, second cylinder boss is provided with external thread, coupling shaft 14 and the second cylinder boss are linked together by the female swivel nut 15 of tool.
Backing plate 21 is mounted by means of bolts on base plate 3 specifically, guide rail 20 is fixedly mounted on backing plate 21, moveable installing plate 13 is fixedly mounted on guide rail 20 top, coupling shaft 14 is fixedly connected with moveable installing plate 13 or is integral type structure, step up that block 16 and second step up block 17 for second time to be fixed together by the output shaft of bolt and tested proportion electro-magnet 11, second actuator bracket 18 is bolted on base plate 3, and tested proportion electro-magnet 11 is arranged on the second actuator bracket 18.Described coupling shaft 14 right-hand member has screw thread, and stepping up block 16 left end for second time has the second cylinder boss, and there is external thread the second cylinder boss end, thread connection can be utilized to be linked together by the cylinder boss that coupling shaft 14 and second time step up block 16 by swivel nut 15.Described backing plate 21 is designed to ladder-type structure, to save material, reduces costs.
Concrete test function implementation of the present invention is as follows:
First tested proportion electro-magnet 11 of the present invention is described, its inside carries displacement transducer, and when carrying out performance test to tested proportion electro-magnet 11, the displacement transducer that tested proportion electro-magnet 11 inside carries also can work, and has assisted performance test.
(1) the static properties test of proportion electro-magnet.
Tested proportion electro-magnet 11 is fixed on the first actuator bracket 10, in the cold situation of tested proportion electro-magnet 11, start electric cylinder 1 and drive push rod 6 slow running to the right, stop after push rod 6 is inserted in down the cylinder boss axial hole stepping up block 8, in both holes perpendicular to axial direction, insert pin 7, both are fixed together.And then start electric cylinder 1, slowly move armature to maximum displacement from initial position.Meanwhile, obtain back-moving spring in elastic force, the displacement respective signal of diverse location by tension-compression sensor 5 and displacement transducer, deliver to industrial computer through data collecting card, after software process, obtain the elastic force-displacement curve of back-moving spring.
Tested proportion electro-magnet 11 is passed into the steady current of different size, make its armature motion to a certain displacement place, start electric cylinder 1 and drive push rod 6 slow running to the right, stop after push rod 6 is inserted in the cylinder boss axial hole stepping up block 8 for first time, in both holes perpendicular to axial direction, insert pin 7, both are fixed together.And then starting electric cylinder 1, band moving armature slowly moves to change its displacement.Simultaneously, obtain tested proportion electro-magnet 11 by tension-compression sensor 5 and overcome the electromagnetic force signal after the elastic force of back-moving spring, corresponding displacement signal is obtained by displacement transducer, these signals deliver to industrial computer through data collecting card, obtain the power-displacement curve of tested proportion electro-magnet 11 after software process.
Electric cylinder 1 is utilized to drive the armature of tested proportion electro-magnet 11 to stop behind a certain position to stroke range, displacement is remained unchanged, then tested proportion electro-magnet 11 is passed into the steady current of different size, the power-current characteristic curve of tested proportion electro-magnet 11 can be obtained.
To sum up, static properties mechanism for testing of the present invention can the elastic force-displacement curve of test reset spring in the cold situation of tested proportion electro-magnet 11, power-the displacement curve exported after it overcomes spring force can be tested when tested proportion electro-magnet 11 is energized, by software, the power in corresponding for these two curves displacement is added, the electromagnetic force-displacement curve of tested proportion electro-magnet 11 can be obtained.
(2) dynamic performance testing of proportion electro-magnet.
Tested proportion electro-magnet 11 is fixed on the second actuator bracket 18, moveable installing plate 13 fixedly has the thing block of certain mass with skimulated motion part quality, swivel nut 15 is utilized tested proportion electro-magnet 11 and thing block to be linked together, to tested proportion electro-magnet 11 impact electric current, dash forward and let out electric current, its displacement signal is obtained by displacement transducer, industrial computer is delivered to through data collecting card, displacement-the time curve of tested proportion electro-magnet under loading condition can be obtained, to test the step response situation under its loading condition after software process.
Tested proportion electro-magnet 11 is passed into the electric current changed by sinusoidal rule of certain frequency, armature displacement signal is obtained by displacement transducer, industrial computer is delivered to through data collecting card, displacement-the time curve of tested proportion electro-magnet under loading condition can be obtained after software process, follow response condition to test its loading condition bottom offset with curent change.
Unclamp swivel nut 15, load is separated with tested proportion electro-magnet 11, in like manner can obtain the step response situation under no-load condition and follow response condition.
To sum up, dynamic performance testing mechanism of the present invention can realize the connection of tested proportion electro-magnet 11 and load by swivel nut 15 or be separated, and tests impact under its load or no-load condition, prominently follows response characteristic when letting out step response characteristic and the input different frequency control signal of electric current.
Claims (1)
1. a proportion electro-magnet dynamic and static state performance proving installation, comprise base plate, be arranged on the static properties mechanism for testing on base plate, be arranged on the dynamic performance testing mechanism on base plate and the first actuator bracket be arranged on base plate and the second actuator bracket, tested proportion electro-magnet is arranged on the first described actuator bracket and the second actuator bracket, it is characterized in that: described static properties mechanism for testing comprises the electric cylinder support be arranged on base plate, be arranged on the electric cylinder on electric cylinder support, tension-compression sensor and push rod, the output shaft of electric cylinder and the two ends of tension-compression sensor are provided with threaded hole, the connecting pin all arranging screw thread by two ends between the output shaft of electric cylinder and tension-compression sensor links together, one end of push rod is provided with external thread and is arranged in the threaded hole of tension-compression sensor by threaded engagement, the other end of push rod arranges a vertical holes along the direction perpendicular to push rod axis, the tested proportion electro-magnet corresponding with static properties mechanism for testing is arranged on the first actuator bracket, the output terminal of tested proportion electro-magnet is installed with and steps up block on first and step up block first time, step up block left end first time and the first cylinder boss is set, described first cylinder boss is respectively arranged with the first circular hole vertically and the second circular hole perpendicular to axial direction, the other end of push rod is arranged in the first circular hole, the vertical holes arranged perpendicular to the direction of push rod axis and the second circular hole coaxial line and in vertical holes and the second circular hole, pin is installed,
Described dynamic performance testing mechanism comprises the backing plate be arranged on base plate, be arranged on the guide rail on backing plate, the coupling shaft being arranged on the moveable installing plate on guide rail and being arranged on moveable installing plate, the end of coupling shaft is provided with external thread, the tested proportion electro-magnet corresponding with dynamic performance testing mechanism is arranged on the second actuator bracket, the output terminal of tested proportion electro-magnet is installed with and steps up block on second and step up block second time, the left end stepping up block for second time is provided with the second cylinder boss, second cylinder boss is provided with external thread, coupling shaft and the second cylinder boss are linked together by the female swivel nut of tool.
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| CN201510054131.2A CN104677541B (en) | 2015-01-30 | 2015-01-30 | Dynamic and static performance testing device of proportion electromagnet |
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| CN201510054131.2A CN104677541B (en) | 2015-01-30 | 2015-01-30 | Dynamic and static performance testing device of proportion electromagnet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109633497A (en) * | 2019-01-03 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of electromagnet testing stand and detection platform |
| CN109633498A (en) * | 2019-01-03 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of electromagnet testing stand and detection platform |
| CN110057483A (en) * | 2019-05-22 | 2019-07-26 | 温州大学激光与光电智能制造研究院 | It is a kind of for eccentric or deflection armature linear actuator force performance testing device |
| CN111812563A (en) * | 2020-06-24 | 2020-10-23 | 三一汽车制造有限公司 | System, method, computer and storage medium for testing force characteristics of proportional electromagnet |
| CN114235370A (en) * | 2021-12-17 | 2022-03-25 | 中国核动力研究设计院 | Device and method for measuring output precision of electromagnetic actuating mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633497A (en) * | 2019-01-03 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of electromagnet testing stand and detection platform |
| CN109633498A (en) * | 2019-01-03 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of electromagnet testing stand and detection platform |
| CN110057483A (en) * | 2019-05-22 | 2019-07-26 | 温州大学激光与光电智能制造研究院 | It is a kind of for eccentric or deflection armature linear actuator force performance testing device |
| CN111812563A (en) * | 2020-06-24 | 2020-10-23 | 三一汽车制造有限公司 | System, method, computer and storage medium for testing force characteristics of proportional electromagnet |
| CN114235370A (en) * | 2021-12-17 | 2022-03-25 | 中国核动力研究设计院 | Device and method for measuring output precision of electromagnetic actuating mechanism |
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