CN201576058U - Proportion electromagnet performance testing system - Google Patents
Proportion electromagnet performance testing system Download PDFInfo
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- CN201576058U CN201576058U CN2009202004478U CN200920200447U CN201576058U CN 201576058 U CN201576058 U CN 201576058U CN 2009202004478 U CN2009202004478 U CN 2009202004478U CN 200920200447 U CN200920200447 U CN 200920200447U CN 201576058 U CN201576058 U CN 201576058U
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Abstract
The utility model discloses a proportion electromagnet performance testing system, which comprises a computer, a printer, a multi-function data collecting card, a mechanical driving device, a servo controller, a force sensor, a displacement sensor and a signal converting and amplifying unit. The proportion electromagnet performance testing system sets reasonable testing scheme according to a mechanical structure, performance characteristics and testing programs of a proportion electromagnet; and is formed by organically combining sensor testing technology, computer control technology, virtual instrument technology and ACCESS data base technology. The proportion electromagnet performance testing system has accurate testing, complete functions, high automation degree and fine reliability.
Description
Technical field
The utility model relates to a kind of automatization test system, relates in particular to a kind of ratio electromagnet performance test system.
Background technology
The develop rapidly of proportional technique has driven the widespread use of proportion electro-magnet, as one of critical component of each ratio control system, the reliability of its characteristic and work, The whole control system and other related elements all had crucial influence, and carry out accurate test verification by rational method of testing and perfect test macro Comparative Examples electromagnet,, also be the important prerequisite of further optimal design high-performance ratio electromagnet not only to guaranteeing that whole electro-hydraulic proportional control system combination property has crucial effect.
The application of proportion electro-magnet at present has been deep into numerous engineering automatic fields, lot of domestic and foreign scholar is seeking the automaticity height, accurately, a large amount of research and practice have been carried out in the Test Strategy aspect reliably, propose some and had constructive new approaches, and obtained some and have the achievement of practicality meaning, make the performance test scheme of proportion electro-magnet also progressively be semi-automatic test macro based on computer technology by traditional " sensor+function record instrument " mode development.
And documents and materials show, along with the continuous complexity of measurand kind and improving constantly of test request, still there are many problems to be solved that have in existing Test Strategy.For example because testing scheme or the unreasonable systemic-function that causes of hardware cell design are too simple, and automaticity is not high or system architecture is complicated, measuring accuracy is not high enough.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of ratio electromagnet performance test system is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of ratio electromagnet performance test system, and it comprises computing machine, printer, multifunctional data acquisition card, mechanical actuation device, servo controller, force transducer, displacement transducer, conversion of signals and amplifying unit; Computing machine links to each other with printer, multifunctional data acquisition card is connected with amplifying unit with computing machine, servo controller, force transducer, displacement transducer and conversion of signals respectively, servo controller links to each other with mechanical actuation device, and force transducer is fixed on the mechanical actuation device.
Further, also comprise a testboard bay, described mechanical actuation device, servo controller and displacement transducer all vertically are fixed on the testboard bay, and force transducer is fixedlyed connected with the slide block of mechanical actuation device by its bearing.
The beneficial effects of the utility model are: the utility model ratio electromagnet performance test system is physical construction, performance characteristics and the test event according to proportion electro-magnet, make rational testing scheme, and sensor test technology, Computer Control Technology, virtual instrument technique and ACCESS database technology organically combined design and get, this test system and test is accurate, multiple functional, automaticity is high, good reliability.
Description of drawings
Fig. 1 is the composition frame chart of the utility model ratio electromagnet performance test system;
Fig. 2 is the functional module hierarchical chart of the function software of the utility model ratio electromagnet performance test system;
Fig. 3 is the workflow diagram of the utility model ratio electromagnet performance test system.
Embodiment
The utility model ratio electromagnet performance test system comprises computing machine, printer, multifunctional data acquisition card, mechanical actuation device, servo controller, force transducer, displacement transducer, conversion of signals and amplifying unit.In addition, can also comprise testboard bay and other fixedly connected annexes.Computing machine links to each other with printer, multifunctional data acquisition card is connected with amplifying unit with computing machine, servo controller, force transducer, displacement transducer and conversion of signals respectively, servo controller links to each other with mechanical actuation device, and force transducer is fixed on the mechanical actuation device.
Multifunctional data acquisition card is made up of the data acquisition module of various plug and play, has the multichannel input/output function, can be connected with amplifying unit with computing machine, force transducer, displacement transducer and conversion of signals respectively by its USB connection terminal, realize high speed acquisition, conversion and the transmission of test signal and control signal.This multifunctional data acquisition card can adopt the USB-4711 data collecting card that grinds magnificent company.
Mechanical actuation device and servo controller can vertically be fixed on the testboard bay by hickey, drive sensor movement, and then the indirect armature position of controlling the proportion electro-magnet to be measured that directly contacts with force transducer.Force transducer is fixedlyed connected with the slide block of mechanical actuation device by its bearing, gathers the power output of proportion electro-magnet in test in real time.The shell of displacement transducer vertically is fixed on the testboard bay by its support.The measuring head of displacement transducer driveshaft end remains in test process with the bearing top of described force transducer and contacts, thus the position that records proportion electro-magnet armature indirectly.(0～5V or 0～10V) is converted to the current controling signal of the drive current range that conforms with proportion electro-magnet (according to the drive current range of common proportion electro-magnet to the voltage signal that conversion of signals and amplifying unit are exported multifunctional data acquisition card, generally export the current signal of 0～2A), and flow to proportion electro-magnet.
Computing machine can be common PC (PC), and this computing machine also is equipped with display device, is used for test result is fed back to the tester in real time.Printer is used for the printing function that the coupled system testing software realizes the code test form, in order to the follow-up management work of detecting information.
Centralized control unit as total system, computing machine is by multifunctional data acquisition card output two-way voltage analog signal (AO), one tunnel simulating signal is enough big current controling signal via conversion of signals and amplifying unit (voltage-current converter circuit) conditioning, drive tested proportion electro-magnet and export corresponding power, another road simulating signal is imported servo controller after relay is enlarged into suitable voltage control signal, realize the slide block of mechanical actuation device and the motion control of force transducer, and then indirect control ratio electromagnet armature position.In the test process, force transducer and displacement transducer can be distinguished power output and the armature position corresponding simulating voltage signal that obtains proportion electro-magnet in real time, change analog quantity into digital quantity through multifunctional data acquisition card and pass to computing machine, then realize real-time reception, processing, the preservation of test data, the functions such as printing of characteristic drafting and form by system test software.
Ratio electromagnet performance test comprises: power-current characteristics test and power-stroke characteristic test.
The method of testing of the utility model ratio electromagnet performance test system may further comprise the steps:
1, multifunctional data acquisition card is converted to digital signal with the multichannel analog signals that collects, send computing machine to, receive the command signal that sends by computing machine simultaneously: two-way analog signals and one road digital quantity signal, wherein, one tunnel simulating signal is as the current controling signal of proportion electro-magnet, drive it and export corresponding power, another road simulating signal flows to servo controller as speed control signal, thereby realize the motion control to mechanical actuation device, one road digital quantity signal is the enable signal of mechanical actuation device;
2, the test basic document of typing proportion electro-magnet to be measured carries out every performance test after setting the test parameter of proportion electro-magnet to be measured, and by the real-time feedback test state of each status indicator lamp;
Gather multichannel analog signals when 3, sending control signal by multifunctional data acquisition card; Handle in real time and the demonstration acquired signal, and all acquired signal are stored in the specified database, use in order to follow-up data administrative institute;
4, finally obtain the family curve of tested proportion electro-magnet.
Fig. 2 is the testing software hierarchical chart of the utility model ratio electromagnet performance test system.It is as development environment with LabVIEW, sensor technology, computer technology, virtual instrument technique and ACCESS database technology are organically combined, cooperate the specific design of test philosophy and hardware platform to write, real-time collection, demonstration, the storage automatically of data have not only been realized, basic functions such as the processing of data and characteristic demonstration, and, realized the data management work such as inquiry, deletion of historical record by the powerful database access function of LabSQL kit.Software program employing stratification, modular thought are write test macro mainly are divided into characteristic test module (power of being respectively-current characteristics test and power-stroke characteristic test) and data management module, and each primary module down is divided into the plurality of sub functional module.The specific design process adopts the irregular structure of going forward one by one: the basic framework of determining software earlier, then progressively segment the specific tasks of its submodule downwards, if needed, some submodules also need further refinement downwards again, not only clear process, relation are clear and definite to make whole procedure, be easy to read and debugging, and, realized the maximization of program reusability reducing the program maintenance time.Wherein performance test module is primarily aimed at program involved in the real-time testing, specifically comprises again downwards: parameter is provided with module, is used for the basic document and the test parameter of the tested proportion electro-magnet of typing; Output control module is used to cooperate multifunctional data acquisition card to export the control signal of analog quantity and digital quantity; Data acquisition module is used to cooperate multifunctional data acquisition card to gather multi-channel analog signal; Data processing module is used for the original signal of being gathered is carried out filtering and demarcated processing; Display module is used for acquired signal is fed back to the tester in real time in real time; The family curve generation module is used for utilizing the test parameter after handling to generate corresponding proportion electro-magnet family curve after the end of test (EOT).Data management module wherein mainly is at the analysis management work of tester for historical record, specifically comprises: data query and display module, history curve display module, data deletion and modified module, printing reports module.
As shown in Figure 3, the testing process of the utility model ratio electromagnet performance test system is as follows: at first, system's operation initialization module, finish some basic initial work of system, comprise that all buttons reset, pilot lamp extinguishes, the historical record zero clearing of curve, data and wrong viewing area etc.; Select main functional modules then, then enter in the different functional modules; If the user is in F-S characteristic (power-stroke characteristic) test module or F-I characteristic (power-current characteristics) test module, test macro can be finished the output of multichannel analog control signal, multi-channel analog signal is gathered, the real-time demonstration of data and image, data processing, the functions such as automatic storage of characteristic generation and data, if the user is in data management module, system is by the powerful database access function of LabSQL kit, database to the storage test record conducts interviews, operation, realize the query history record, characteristic synchronous demonstration, the deleting history record, the functions such as demonstration of printing reports and error message.
Claims (2)
1. a ratio electromagnet performance test system is characterized in that, it comprises computing machine, printer, multifunctional data acquisition card, mechanical actuation device, servo controller, force transducer, displacement transducer, conversion of signals and amplifying unit; Described computing machine links to each other with printer, multifunctional data acquisition card is connected with amplifying unit with computing machine, servo controller, force transducer, displacement transducer and conversion of signals respectively, servo controller links to each other with mechanical actuation device, and force transducer is fixed on the mechanical actuation device.
2. according to the described ratio electromagnet performance test system of claim 1, it is characterized in that, also comprise a testboard bay, described mechanical actuation device and servo controller can vertically be fixed on the testboard bay by hickey, and force transducer is fixedlyed connected with the slide block of mechanical actuation device by its bearing; Displacement transducer vertically is fixed on the testboard bay by its support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202004478U CN201576058U (en) | 2009-11-23 | 2009-11-23 | Proportion electromagnet performance testing system |
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| CN2009202004478U CN201576058U (en) | 2009-11-23 | 2009-11-23 | Proportion electromagnet performance testing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177031A (en) * | 2011-12-26 | 2013-06-26 | 深圳光启高等理工研究院 | Artificial electromagnetic material data storage and query methods and device thereof |
| CN103217246A (en) * | 2013-04-02 | 2013-07-24 | 浙江大行科技有限公司 | Static characteristic test equipment for proportional electromagnet |
| CN108872891A (en) * | 2018-05-08 | 2018-11-23 | 南京大学 | The device and method of measurement scale electromagnet action response time and speed |
| CN109654088A (en) * | 2017-10-10 | 2019-04-19 | 中国石油天然气股份有限公司 | Method and device for testing performance of electro-hydraulic actuator |
| CN110907722A (en) * | 2019-11-11 | 2020-03-24 | 浙江大学 | Characteristic testing device and dynamic and static characteristic testing method for proportional electromagnet |
| CN112965016A (en) * | 2021-02-03 | 2021-06-15 | 山东大学 | Measuring device and measuring method for measuring output characteristics of proportional electromagnet |
-
2009
- 2009-11-23 CN CN2009202004478U patent/CN201576058U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177031A (en) * | 2011-12-26 | 2013-06-26 | 深圳光启高等理工研究院 | Artificial electromagnetic material data storage and query methods and device thereof |
| CN103217246A (en) * | 2013-04-02 | 2013-07-24 | 浙江大行科技有限公司 | Static characteristic test equipment for proportional electromagnet |
| CN109654088A (en) * | 2017-10-10 | 2019-04-19 | 中国石油天然气股份有限公司 | Method and device for testing performance of electro-hydraulic actuator |
| CN109654088B (en) * | 2017-10-10 | 2020-08-07 | 中国石油天然气股份有限公司 | Method and device for testing performance of electro-hydraulic actuator |
| CN108872891A (en) * | 2018-05-08 | 2018-11-23 | 南京大学 | The device and method of measurement scale electromagnet action response time and speed |
| CN110907722A (en) * | 2019-11-11 | 2020-03-24 | 浙江大学 | Characteristic testing device and dynamic and static characteristic testing method for proportional electromagnet |
| CN112965016A (en) * | 2021-02-03 | 2021-06-15 | 山东大学 | Measuring device and measuring method for measuring output characteristics of proportional electromagnet |
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Granted publication date: 20100908 Termination date: 20101123 |