CN201489058U - Automatic test control device for radiation and electromagnetic disturbance of electronic equipment - Google Patents
Automatic test control device for radiation and electromagnetic disturbance of electronic equipment Download PDFInfo
- Publication number
- CN201489058U CN201489058U CN2009201943549U CN200920194354U CN201489058U CN 201489058 U CN201489058 U CN 201489058U CN 2009201943549 U CN2009201943549 U CN 2009201943549U CN 200920194354 U CN200920194354 U CN 200920194354U CN 201489058 U CN201489058 U CN 201489058U
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- automatic test
- receiving antenna
- control device
- monitoring host
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Abstract
The utility model relates to an automatic test control device for radiation and electromagnetic disturbance of electronic equipment, comprising an automatic test rotary table for bearing a product to be tested, a receiving antenna mechanism which is vertically arranged beside the automatic test rotary table and can lift up and down and a spectrum analyzer which collects a signal of a receiving antenna mechanism by an coaxial cable; the automatic test rotary table, the receiving antenna mechanism and the spectrum analyzer are all connected with a monitoring host machine which controls all parts to work in a coordinating way by a control line; the receiving antenna mechanism comprises a vertical screw rod, a receiving antenna for receiving electromagnetic radiation of a product to be tested is movably arranged on a sliding block of the screw rod, the screw rod is driven by a stepping motor, and the stepping motor is connected with the monitoring host machine; the monitoring host machine comprises a display screen for displaying the test data and a movement control main board which controls the coordinated action of the stepping motor and a servo motor; the automatic test control device has high efficiency, low cost, high reliability of the test result, strong popularity and high automatic degree, thereby being suitable for electro magnetic compatibility of electronic products.
Description
Technical field
The utility model relates to electronic equipment electromagnetic radiation harassing and wrecking test control technology field automatically, relates in particular to a kind of electronic equipment electromagnetic radiation harassing and wrecking test automaton.
Background technology
Electromagnetic compatibility prediction is meant that the electromagnetic property of system, subsystem, each parts and components and parts to electronic product is analyzed, prediction, the every index request of reasonable distribution, and in the electronic product system whole design process, constantly it is revised and replenishes, make electronic product system keep best duty.Development and progress of science and technology along with social demand, countries in the world require more and more stricter to the Electro Magnetic Compatibility of electronic product, various countries have worked out strict electromagnetic compatibility standard one after another to the electronic product of import, as the VCCI standard of the FCC (Federal Communications Commission) of the U.S. and ANSI C63 standard, Japan with the EN standard in Europe etc.Because the standard-required that various countries formulate at import electronic product electromagnetic compatibility is more and more stricter, especially Europe is released after the CE standard, immunity to interference and electromagnetic disturbance to electronic product have proposed strict more requirement, and states such as America and Europe have dropped into lot of manpower and material resources development electromagnetic compatibility cause.Under the promotion of this industry situation, domestic electronic product manufacturing enterprise is to the Electro Magnetic Compatibility pay attention to day by day of its electronic product, and part producing enterprise has begun in the design of its electronic product and manufacture process the Electro Magnetic Compatibility to electronic product and followed the tracks of detection.According to the regulation of various countries' Electro Magnetic Compatibility standard, the electromagnetic compatibility prediction need be tested radio frequency electromagnetic field radiation immunity, and each electronic product manufacturing enterprise mainly utilizes operation manually to finish this content measurement at present.But many, the complex steps of the Frequency point that will test when radio frequency electromagnetic field radiation immunity is tested, finishing test speed by operation manually influences test result because of human factor slowly and easily.In addition, at present a kind of highly versatile, electromagnetic compatibility test equipment that automaticity is high also do not appear in this area, so the diversity of electronic product and complicacy have increased the work difficulty of electromagnetic compatibility test greatly.
The utility model content
Technical problem to be solved in the utility model provides the high electronic equipment electromagnetic radiation of the high and low cost of a kind of efficient, test result reliability height, highly versatile and automaticity and harasses automatic test control device.
For solving the problems of the technologies described above, the technical scheme that the utility model is realized is: a kind of electronic equipment electromagnetic radiation is harassed automatic test control device, but comprise carrying product to be measured automatic test table, stand on the receiving antenna mechanism of automatic test table next door oscilaltion and accept antenna mechanism signal Spectrum Analysis instrument by the concentric cable collection, test table, receiving antenna mechanism and spectrum analyzer all are connected with a monitoring host computer of controlling the each several part co-ordination by operation circuit automatically.
Described receiving antenna mechanism comprises a screw mandrel of erectting, and the receiving antenna that receives product electromagnetic radiation to be measured is movably installed on the slide block of screw mandrel, and screw mandrel is by step motor drive, and stepper motor is connected with monitoring host computer.Described automatic test table comprises the table top of placing product to be measured, and a table top and a servomotor rotate synchronously, the rotation direction down-feed screw vertical cube of table top to, servomotor is connected with monitoring host computer.Described monitoring host computer comprises display screen and control step motor and the private motion control mainboard of obeying the motor coordination action that shows test data.Described motion control mainboard adopts the ARM7 processor as master chip, isolates by optocoupler electrical isolation circuit between ARM7 processor and the driven by servomotor circuit.Monitoring host computer adopts RS232 Near Field Communication standard and is connected with the motion control mainboard by the MAX232 interface chip.Described spectrum analyzer is connected with monitoring host computer by gpib interface.
The advantage that the utility model compared with prior art has is: the work of the general self-winding parts equipment coordination of the utility model replaces manually-operated that electronic product is done emc testing, improves testing efficiency and test result reliability; Monitoring host computer is provided with the intelligence test Control Software that can read and analyze from the electronic equipment electromagnetic radiation harassing and wrecking signal of spectrum analyzer acquisition in this device, make the motion control mainboard control automatic test table and antenna assembly motion according to the intelligent algorithm operation result of intelligence test Control Software, the maximum intensity and the origination point of the harassing and wrecking of energy accurate detection electronic equipment electromagnetic radiation improve the versatility and the automaticity of electronic equipment electromagnetic radiation harassing and wrecking test.
Description of drawings
Fig. 1 is the utility model structural representation block diagram.
Embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing:
Referring to Fig. 1, a kind of electronic equipment electromagnetic radiation is harassed automatic test control device, but comprise carrying product to be measured automatic test table 2, stand on the receiving antenna mechanism 3 of automatic test table next door oscilaltion and accept antenna mechanism signal Spectrum Analysis instrument 4 by the concentric cable collection, test table, receiving antenna mechanism and spectrum analyzer all are connected with a monitoring host computer 5 of controlling the each several part co-ordination by operation circuit automatically.Receiving antenna mechanism comprises a screw mandrel 31 of erectting, and the receiving antenna 32 that receives product electromagnetic radiation to be measured is movably installed on the slide block of screw mandrel, and screw mandrel drives by stepper motor 33, and stepper motor 33 is connected with monitoring host computer 5.Described automatic test table comprises the table top 21 of placing product to be measured, and a table top and a servomotor 22 rotate synchronously, the rotation direction down-feed screw vertical cube of table top to, servomotor is connected with monitoring host computer.Described monitoring host computer 5 comprises display screen and control step motor and the private motion control mainboard 51 of obeying the motor coordination action that shows test data.Described motion control mainboard adopts the ARM7 processor as master chip, isolates by optocoupler electrical isolation circuit between ARM7 processor and the driven by servomotor circuit.Monitoring host computer adopts RS232 Near Field Communication standard and is connected with the motion control mainboard by the MAX232 interface chip.Described spectrum analyzer is connected with monitoring host computer by gpib interface.Wherein, receiving antenna mechanism is used to receive electromagnetic signal that product to be tested sends and the signal that it receives is sent to spectrum analyzer, and spectrum analyzer receives to be analyzed behind the signal of receiving antenna mechanism and analysis result is converted into data delivery to monitoring host computer.Monitoring host computer is used to control and coordinate the running and the cooperation of each parts of entire equipment, and the intelligence test Control Software on the monitoring host computer is analyzed it after receiving the data that spectrum analyzer carries, and analysis result is converted into steering order by intelligent algorithm.The motion control mainboard is according to the motion of the automatic test table of the instruction control of monitoring host computer, receiving antenna device, and complete detection is carried out in harassing and wrecking to the electronic equipment electromagnetic radiation.During practice, the principle of work step that this device is done emc testing to electronic product is as follows:
1, starts this device, the ARM7 processor initialization of motion control mainboard, intelligence test Control Software by monitoring host computer operation is sent instruction, and ARM7 receives and sends the PWM trigger pulse after the instruction and make automatic test table rotate a week for the driven by servomotor circuit of servomotor.Receiving antenna mechanism grab sampling signal.
2, the servomotor uniform rotation time, receiving antenna carries out bigness scale examination (generally using peak detection) in the correspondent frequency scope, be about to the receiving antenna crane and evenly be divided into quarter, span amplitude lifting in this scope of receiving antenna, and receive a series of signal data and signal is passed to spectrum analyzer by concentric cable every 1/4 height place, monitoring host computer fetches data to spectrum analyzer by the GPIB mouth, the intelligence test Control Software reads and analyzes data, rise to the top up to antenna, seek the maximum disturbance field strength of EUT on each Frequency point.
3, on previous test basis, monitoring host computer carries out data analysis to be handled and chooses between next step test section, utilizes based on the intelligent switch control algolithm of Bang-Bang control and controls moving of receiving antenna.Turntable is under the control of ARM7, and each test point is rotated a week, the corresponding test data of intelligence test Control Software collection.
4, repeating step 3, up between the test section of choice certain a bit on, then finish test.
5, after the end of test (EOT), send instruction by the intelligence test control system ARM7 control antenna is moved, get back to the original position, so that the test of next time.
6, after test finished, the intelligence test Control Software was come out the complete drafting of electromagnetic radiation harassing and wrecking curve of electronic equipment according to the test result of record.
The foregoing description is a preferred implementation of the present utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model design, any conspicuous replacement also should fall within the protection domain of the present utility model.
Claims (7)
1. an electronic equipment electromagnetic radiation is harassed automatic test control device, it is characterized in that: comprise carrying product to be measured automatic test table (2) but, stand on the receiving antenna mechanism (3) of automatic test table next door oscilaltion and accept antenna mechanism signal Spectrum Analysis instrument (4) by the concentric cable collection, test table, receiving antenna mechanism and spectrum analyzer all are connected with a monitoring host computer (5) of controlling the each several part co-ordination by operation circuit automatically.
2. electronic equipment electromagnetic radiation according to claim 1 is harassed automatic test control device, it is characterized in that: described receiving antenna mechanism comprises a screw mandrel (31) of erectting, the receiving antenna (32) that receives product electromagnetic radiation to be measured is movably installed on the slide block of screw mandrel, screw mandrel drives by stepper motor (33), and stepper motor is connected with monitoring host computer.
3. electronic equipment electromagnetic radiation according to claim 2 is harassed automatic test control device, it is characterized in that: described automatic test table comprises the table top (21) of placing product to be measured, a table top and a servomotor (22) rotate synchronously, the rotation direction down-feed screw vertical cube of table top to, servomotor is connected with monitoring host computer.
4. electronic equipment electromagnetic radiation according to claim 3 is harassed automatic test control device, it is characterized in that: described monitoring host computer comprises display screen and control step motor and the private motion control mainboard (51) of obeying the motor coordination action that shows test data.
5. electronic equipment electromagnetic radiation according to claim 4 is harassed automatic test control device, it is characterized in that: described motion control mainboard adopts the ARM7 processor as master chip, isolates by optocoupler electrical isolation circuit between ARM7 processor and the driven by servomotor circuit.
6. electronic equipment electromagnetic radiation according to claim 4 is harassed automatic test control device, it is characterized in that: monitoring host computer adopts RS232 Near Field Communication standard and is connected with the motion control mainboard by the MAX232 interface chip.
7. electronic equipment electromagnetic radiation according to claim 4 is harassed automatic test control device, it is characterized in that: described spectrum analyzer is connected with monitoring host computer by gpib interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201943549U CN201489058U (en) | 2009-09-07 | 2009-09-07 | Automatic test control device for radiation and electromagnetic disturbance of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201943549U CN201489058U (en) | 2009-09-07 | 2009-09-07 | Automatic test control device for radiation and electromagnetic disturbance of electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489058U true CN201489058U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201943549U Expired - Fee Related CN201489058U (en) | 2009-09-07 | 2009-09-07 | Automatic test control device for radiation and electromagnetic disturbance of electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201489058U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901956A (en) * | 2010-08-26 | 2010-12-01 | 衡阳泰豪通信车辆有限公司 | Antenna lifting mechanism with locking function |
| CN102393491A (en) * | 2011-08-30 | 2012-03-28 | 山东省计量科学研究院 | Automatic measurement equipment and automatic measurement method for electromagnetic radiation disturbance |
| CN102628899A (en) * | 2012-03-22 | 2012-08-08 | 哈尔滨工程大学 | Three-degree-of-freedom electromagnetic interference automatic test device and method |
| CN104597330A (en) * | 2015-02-10 | 2015-05-06 | 吉林大学 | Electromagnetic radiation signal collecting and processing system and method |
| CN109375023A (en) * | 2018-12-03 | 2019-02-22 | 晶晨半导体(上海)股份有限公司 | EMI test method and system |
| CN112114210A (en) * | 2020-08-12 | 2020-12-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
-
2009
- 2009-09-07 CN CN2009201943549U patent/CN201489058U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901956A (en) * | 2010-08-26 | 2010-12-01 | 衡阳泰豪通信车辆有限公司 | Antenna lifting mechanism with locking function |
| CN102393491A (en) * | 2011-08-30 | 2012-03-28 | 山东省计量科学研究院 | Automatic measurement equipment and automatic measurement method for electromagnetic radiation disturbance |
| CN102393491B (en) * | 2011-08-30 | 2013-09-18 | 山东省计量科学研究院 | Automatic measurement equipment and automatic measurement method for electromagnetic radiation disturbance |
| CN102628899A (en) * | 2012-03-22 | 2012-08-08 | 哈尔滨工程大学 | Three-degree-of-freedom electromagnetic interference automatic test device and method |
| CN104597330A (en) * | 2015-02-10 | 2015-05-06 | 吉林大学 | Electromagnetic radiation signal collecting and processing system and method |
| CN109375023A (en) * | 2018-12-03 | 2019-02-22 | 晶晨半导体(上海)股份有限公司 | EMI test method and system |
| CN112114210A (en) * | 2020-08-12 | 2020-12-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
| CN112114210B (en) * | 2020-08-12 | 2023-09-22 | 欧陆电子电器检测服务(深圳)有限公司 | Product electromagnetic compatibility test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110907 |