CN105988043A - Manipulator test system applicable to electromagnetic interference environment and test method thereof - Google Patents
Manipulator test system applicable to electromagnetic interference environment and test method thereof Download PDFInfo
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- CN105988043A CN105988043A CN201510049661.8A CN201510049661A CN105988043A CN 105988043 A CN105988043 A CN 105988043A CN 201510049661 A CN201510049661 A CN 201510049661A CN 105988043 A CN105988043 A CN 105988043A
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Abstract
The invention relates to a manipulator test system applicable to an electromagnetic interference environment. The system comprises a control part arranged outside an electromagnetic interference environment, a monitoring part connected with the control part, and an execution part connected with the control part through a pneumatic structure and arranged inside the electromagnetic interference environment. The monitoring part is connected with a tested product arranged on the execution part through an optical coupler. The control part includes a controller with a signal input end and a signal output end, and a pneumatic motor drive part and a key cylinder drive part which are connected with the signal output end of the controller. The execution part includes a pneumatic motor module connected with the pneumatic motor drive part and a key cylinder connected with the key cylinder drive part. By replacing the traditional electric structure with the pneumatic structure, electromagnetic interference is avoided effectively. The monitoring part inputs a 'digital square wave' through the control part and inputs a 'digital signal' through the tested product, so timing synchronization of the monitoring part, the control part and the tested product is realized. Moreover, the monitoring part can identify the test result automatically, and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of test system and method for testing, be exclusively used in electromagnetic interference environment mechanical hand test system and method for testing thereof particularly to one.
Background technology
Along with technology develops, Ge great auto vendor increasingly payes attention to automobile electronics under strong electromagnetic radiation interference environment, the performance of electronic product electromagnetism interference；When electronic product is by extraneous harsh electromagnetic interference, frequently can lead to that product function is abnormal, infringement；Light then affect occupant sensory experience, heavy then affect occupant's personal safety；
Therefore Ge great auto vendor proposes checking strict to vehicle electronics product and test " Electro Magnetic Compatibility " performance requirement；Vehicle electronics product and occupant realize man-machine interaction mainly by " vision ", " audition ", " sense of touch " at present, and the above two easily realize monitoring in electromagnetic compatibility test, but " sense of touch " is difficult in electromagnetism anti-interference is tested；Reason is people's (personnel can be caused serious harm by strong electromagnetic) in process of the test cannot stay in lock shield room, staff guidance panel button, knob can only be substituted in test process by " mechanical hand ", thus reach to realize checking electronic product opposing radiation interference performance purpose.
But under emc testing, electromagnetic interference is relatively strong, the control system of electrodynamic type mechanical hand is easily subject to outside environment interference during transmission action command, thus causes manipulator behavior instruction to be lost efficacy.Additionally, the contact of extraneous third party's electrical equipment forbidden by tested sample, otherwise will affect the objectivity of emc testing, and the motor of electrodynamic type mechanical hand or motor, digital signal level is needed to be controlled so that it is highly susceptible to interference under this test environment.
Summary of the invention
The invention aims to overcome the defect of above-mentioned background technology, it is provided that a kind of mechanical hand for electromagnetic interference environment tests system and method for testing thereof.
System tested by a kind of mechanical hand for electromagnetic interference environment, including: the monitoring portion that control portion is connected with described control portion, and passing through the enforcement division that pneumatic structure is connected with described control portion, described monitoring portion is connected with device test product in enforcement division by photoelectrical coupler；Described control portion includes air motor drive division and the button air cylinder driven portion that the controller with signal input part and signal output part is connected with described controller signals outfan；Described enforcement division includes the air motor module being connected with described air motor drive division and the button cylinder being connected with described button air cylinder driven portion.
Further, described air motor module includes air motor and limits the limiting cylinder that air motor rotates；The gag lever post of one and described rotors normal is extended on described Pneumatic motor rotor；Described limiting cylinder is telescopic cylinder, and it is arranged on the track that gag lever post rotates, and can stop that described gag lever post moves when described limiting cylinder piston rod stretches out.
Further, the button cylinder piston rod end of described button cylinder is provided with the press head relative with described test product button.
Further, described air motor drive division includes rotating drive division and spacing drive division, and described rotation drive division is the air motor pressure regulator valve being sequentially connected with and air motor start and stop valve；Described spacing drive division is the straight line cylinder pressure regulator valve and limiting cylinder electromagnetic valve being sequentially connected with；The air inlet of described air motor pressure regulator valve and the air inlet of straight line cylinder pressure regulator valve are all connected with external air source, and the described gas outlet of air motor start and stop valve, the gas outlet of limiting cylinder electromagnetic valve connect the air inlet of the air inlet of described air motor, limiting cylinder respectively；
Further, described button air cylinder driven portion includes a button cylinder solenoid valve, and its air inlet and gas outlet connect gas outlet and the air inlet of described button cylinder of described straight line cylinder pressure regulator valve respectively.
Further, described controller is additionally provided with the display output port of output test product state.
It addition, invention additionally discloses a kind of method of testing based on above-mentioned mechanical hand test system, its concrete method of testing is as follows:
A) control described controller and send the control signal for controlling enforcement division work to described enforcement division, and send the action digital square-wave of corresponding specific pulsewidth to described monitoring portion；
B) control described monitoring portion and send the solicited status square-wave signal with described action digital square-wave same pulse width to test product；
C) obtain the state square wave signal of test product transmission and contrast with described control signal, showing testing result.
Preferably, described solicited status square-wave signal and state square wave signal are transmitted by described photoelectrical coupler.
Preferably, the specific pulsewidth of described action digital square-wave is 3ms.
The mechanical hand for electromagnetic interference environment of the present invention tests system and method for testing thereof, replaces traditional electric structure by pneumatic structure, can be effectively prevented from electromagnetic interference.The portion of monitoring simultaneously utilizes control portion input " Digital Square-Wave " and sample input " digital signal ", it is achieved monitoring portion, control portion and test product timing synchronization, and the portion that monitors can identify test result automatically, improves testing efficiency.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram of the mechanical hand test system for electromagnetic interference environment of the present invention.
Fig. 2 is the structure principle chart of the mechanical hand test system for electromagnetic interference environment of the present invention.
Fig. 3 is the electrical schematic diagram of the mechanical hand test system for electromagnetic interference environment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of mechanical hand test system for electromagnetic interference environment and the method for testing thereof of the present invention are further described.
System tested by a kind of mechanical hand for electromagnetic interference environment, as shown in Fig. 1 ~ Fig. 3.Including: the monitoring portion 2 that control portion 1 is connected with control portion 1, and the enforcement division 3 being connected with control portion 1 by pneumatic structure, monitoring portion 2 is connected with device test product 5 in enforcement division 3 by photoelectrical coupler 4；Control portion 1 includes air motor drive division 22 and the button air cylinder driven portion 23 that the controller 21 with signal input part and signal output part is connected with controller 21 signal output part；Enforcement division 3 includes the air motor module 31 being connected with air motor drive division 22 and the button cylinder 32 being connected with button air cylinder driven portion 23.Concrete, control portion 1 and monitoring portion 2 are arranged on outside electromagnetic interference environment, and enforcement division 3 is arranged in electromagnetic interference environment, with the photoelectrical coupler 4 in monitoring portion 2 in then a part is arranged on electromagnetic interference environment.Owing to photoelectrical coupler 4 uses optical signal to conduct, therefore, in the case of long range propagation, it is not disturbed by strong electromagnetic signal.
In preferred embodiment, between controller 21 and external power source, it is provided with the emergency stop switch K3 of interruption of power supply under the state of emergency.Additionally controller 21 its own switch could be arranged to safety switch K1, K2 of two series connection, presses two safety switches K1, K2 the most simultaneously, and test system could start work.
Further, described controller 21 is additionally provided with the display output port 6 of output test product 5 state, for being connected with display device.
At air motor module 31 aspect, it is mainly used in testing the knob portion of test product 5, and concrete air motor module 31 includes air motor 311 and limits the limiting cylinder 312 that air motor 311 rotates.The gag lever post of the junior one and rotors normal is extended on air motor 311 rotor, limiting cylinder 312 is telescopic cylinder, it is arranged on the track that gag lever post rotates, gag lever post motion is stopped when limiting cylinder 312 piston rod stretches out, now air motor 311 is in halted state, when needing control air motor 311 to rotate, limiting cylinder 312 piston rod retraction, air motor 311 rotates under the driving of air motor drive division 22, when the rotation week number of air motor 311 reaches default value, limiting cylinder 312 piston rod is shot out, realize the angle of test product 5 knob is accurately controlled.Owing to air motor 311 rotary speed is very fast, and limiting cylinder 312 can only control air motor 311 and rotate integer multiples, in actual test process, the test result of test product 5 may be produced deviation, therefore to be precisely controlled, deceleration gear structure it is provided with, for reducing test product 5 rotary speed and the running accuracy controlled between air motor 311 and test product 5.
Additionally, the air motor drive division 22 driving air motor module 31 work includes rotating drive division 221 and spacing drive division 222, wherein, rotating drive division 221 is the air motor pressure regulator valve 223 being sequentially connected with and air motor start and stop valve 224, and spacing drive division 222 is the straight line cylinder pressure regulator valve 225 and limiting cylinder electromagnetic valve 226 being sequentially connected with.The air inlet of air motor pressure regulator valve 223 and the air inlet of straight line cylinder pressure regulator valve 225 are all connected with external air source, and the gas outlet of air motor start and stop valve 224, the gas outlet of limiting cylinder electromagnetic valve 226 connect the air inlet of air motor 311, the air inlet of limiting cylinder 312 respectively.Two pressure regulator valves are used for changing air inlet air pressure, thus change air motor 311 and the movement velocity of limiting cylinder 312, and air motor start and stop valve 224 and limiting cylinder electromagnetic valve 226 then control air motor 311 and limiting cylinder 312 start and stop.In a preferred embodiment, in order to preferably monitor air pressure size, an air gauge can be set at the gas outlet of two pressure regulator valves, it is achieved monitoring in real time and the accurately control to air pressure.
At button cylinder 32 aspect, then by button air cylinder driven portion 23, button cylinder 32 is driven, by button cylinder 32 piston rod telescopic process, the button of test product 5 is tested, button cylinder 32 piston-rod end is provided with the press head relative with test product 5 button, and quantity and the big I of press head are adjusted according to test product 5.Button air cylinder driven portion 23 is then a button cylinder solenoid valve 231, and in order to simplify design, its air inlet and gas outlet connect gas outlet and the air inlet of button cylinder 32 of straight line cylinder pressure regulator valve 225 respectively.
When test product is tested, electromagnetic valve is controlled by controller by square-wave signal, the portion of monitoring simultaneously is by counting controller sending action counting square wave, simultaneously also by photoelectrical coupler to test product send request signal and receive test product feedback signal contrast, obtain test result.Air motor module 31 and button cylinder 32 owing to being arranged under electromagnetic interference environment are pneumatic design, it is connected to air motor drive division 22 and the button air cylinder driven portion 23 being in outside battery interference environment by trachea, and therefore its work is not disturbed by strong electromagnetic.
It addition, in order to preferably test test product 5, invention additionally discloses a kind of method of testing based on above-mentioned mechanical hand test system, its concrete method of testing is as follows:
A) control controller 21 and send the control signal for controlling enforcement division work to enforcement division 3, and send the action digital square-wave of corresponding specific pulsewidth to monitoring portion 2.
B) control monitoring portion 2 and send the solicited status square-wave signal with action digital square-wave same pulse width to test product 5, after test product receives solicited status square-wave signal, send state square wave signal to monitoring portion.
C) monitoring portion 2 obtains the state square wave signal of test product 5 transmission and contrasts with control signal, shows testing result.
Concrete testing result shows and can be such that key-press status test uses display lamp mode to represent each button particular state of test product 5, green represents that button has been pressed；Red expression button is not pressed, and key-press status window is frozen, and prompting button is made mistakes by electromagnetic interference, and needing tester correspondingly to operate could thaw.
Knob state verification uses display lamp mode to represent the test product 5 concrete virtual condition of knob, and when knob rotates clockwise certain angle, display lamp will become green and move right；When knob is made mistakes by electromagnetic interference, display lamp becomes red, and the frozen prompt knob of window is made mistakes by electromagnetic interference.
Preferably, solicited status square-wave signal and state square wave signal are transmitted by photoelectrical coupler 4.
Preferably, the specific pulsewidth of action digital square-wave is 3ms.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to various changes can be made on the premise of without departing from present inventive concept.
Claims (9)
1. the mechanical hand test system for electromagnetic interference environment, it is characterized in that, including: the monitoring portion that the control portion for being placed in outside electromagnetic interference environment is connected with described control portion, and pass through the enforcement division that pneumatic structure is connected with described control portion, described enforcement division is placed in electromagnetic interference environment in the application；Described monitoring portion is connected with device test product in enforcement division by photoelectrical coupler；Described control portion includes air motor drive division and the button air cylinder driven portion that the controller with signal input part and signal output part is connected with described controller signals outfan；Described enforcement division includes the air motor module being connected with described air motor drive division and the button cylinder being connected with described button air cylinder driven portion.
2. mechanical hand test system as claimed in claim 1, it is characterised in that: described air motor module includes air motor and limits the limiting cylinder that air motor rotates；The gag lever post of one and described rotors normal is extended on described Pneumatic motor rotor；Described limiting cylinder is telescopic cylinder, and it is arranged on the track that gag lever post rotates, and can stop that described gag lever post moves when described limiting cylinder piston rod stretches out.
3. mechanical hand test system as claimed in claim 1, it is characterised in that: the button cylinder piston rod end of described button cylinder is provided with the press head relative with described test product button.
4. mechanical hand test system as claimed in claim 1, it is characterised in that: described air motor drive division includes rotating drive division and spacing drive division, and described rotation drive division is the air motor pressure regulator valve being sequentially connected with and air motor start and stop valve；Described spacing drive division is the straight line cylinder pressure regulator valve and limiting cylinder electromagnetic valve being sequentially connected with；The air inlet of described air motor pressure regulator valve and the air inlet of straight line cylinder pressure regulator valve are all connected with external air source, and the described gas outlet of air motor start and stop valve, the gas outlet of limiting cylinder electromagnetic valve connect the air inlet of the air inlet of described air motor, limiting cylinder respectively.
5. mechanical hand test system as claimed in claim 4, it is characterised in that: described button air cylinder driven portion includes a button cylinder solenoid valve, and its air inlet and gas outlet connect gas outlet and the air inlet of described button cylinder of described straight line cylinder pressure regulator valve respectively.
6. mechanical hand test system as claimed in claim 1, it is characterised in that: described controller is additionally provided with the display output port of output test product state.
7. the method for testing testing system based on mechanical hand described in claim 1, it is characterised in that its concrete method of testing is as follows:
A) control described controller and send the control signal for controlling enforcement division work to described enforcement division, and send the action digital square-wave of corresponding specific pulsewidth to described monitoring portion；
B) control described monitoring portion and send the solicited status square-wave signal with described action digital square-wave same pulse width to test product；
C) control described monitoring portion obtain the state square wave signal of test product transmission and contrast with described control signal, show testing result.
8. method of testing as claimed in claim 7, it is characterised in that: described solicited status square-wave signal and state square wave signal are transmitted by described photoelectrical coupler.
9. method of testing as claimed in claim 7, it is characterised in that: the specific pulsewidth of described action digital square-wave is 3ms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049661.8A CN105988043B (en) | 2015-01-30 | 2015-01-30 | A kind of manipulator test macro and its test method for electromagnetic interference environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510049661.8A CN105988043B (en) | 2015-01-30 | 2015-01-30 | A kind of manipulator test macro and its test method for electromagnetic interference environment |
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| CN105988043A true CN105988043A (en) | 2016-10-05 |
| CN105988043B CN105988043B (en) | 2019-02-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011107053A (en) * | 2009-11-20 | 2011-06-02 | National Institute Of Information & Communication Technology | Load applying apparatus and test method |
| CN102967787A (en) * | 2012-12-04 | 2013-03-13 | 中国北方车辆研究所 | Electromagnetic interference test device of dynamic electromechanical hybrid system |
| US8450895B1 (en) * | 2009-05-06 | 2013-05-28 | Levitate Ip, Llc | 3-D servo positioning system and method |
| CN103698559A (en) * | 2013-12-13 | 2014-04-02 | 国家电网公司 | Electromagnetic interference prevention device for tong type ammeter |
| CN103957540A (en) * | 2014-04-28 | 2014-07-30 | 工业和信息化部电信研究院 | Electromagnetic interference testing method of multimode multi-standby terminal |
-
2015
- 2015-01-30 CN CN201510049661.8A patent/CN105988043B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8450895B1 (en) * | 2009-05-06 | 2013-05-28 | Levitate Ip, Llc | 3-D servo positioning system and method |
| JP2011107053A (en) * | 2009-11-20 | 2011-06-02 | National Institute Of Information & Communication Technology | Load applying apparatus and test method |
| CN102967787A (en) * | 2012-12-04 | 2013-03-13 | 中国北方车辆研究所 | Electromagnetic interference test device of dynamic electromechanical hybrid system |
| CN103698559A (en) * | 2013-12-13 | 2014-04-02 | 国家电网公司 | Electromagnetic interference prevention device for tong type ammeter |
| CN103957540A (en) * | 2014-04-28 | 2014-07-30 | 工业和信息化部电信研究院 | Electromagnetic interference testing method of multimode multi-standby terminal |
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