CN107525973A - Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system - Google Patents
Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system Download PDFInfo
- Publication number
- CN107525973A CN107525973A CN201710696270.4A CN201710696270A CN107525973A CN 107525973 A CN107525973 A CN 107525973A CN 201710696270 A CN201710696270 A CN 201710696270A CN 107525973 A CN107525973 A CN 107525973A
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- electronic equipment
- test
- electromagnetic field
- anechoic chamber
- radio frequency
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0821—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning rooms and test sites therefor, e.g. anechoic chambers, open field sites or TEM cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system, its technical characterstic is：Anechoic chamber, ground is galvanized steel plain sheet and is formed with breach, conveyer belt is embedded with below breach, extend anechoic chamber, both sides in conveyer belt first and last end, side is provided with steel plate and track and is close to the bottom of anechoic chamber, on a moving belt, and steel plate can move freely for covering or opening the breach on galvanized steel plain sheet in orbit；Rotating disk and test desk are also installed in anechoic chamber, test desk is placed on rotating disk, and electronic equipment wire base is provided with test desk；Mechanical arm is installed between conveyer belt and test desk.The present invention carries out the transmission and crawl of test item using conveyer belt and mechanical arm, radio frequency electromagnetic field radiation immunity test is carried out to testing for electrical equipment, avoid tester from entering in darkroom and change test item operation, reduce injury of the test electromagnetic field to testing crew, reduce test process time simultaneously, greatly improve operating efficiency.
Description
Technical field
The invention belongs to technical field of electromagnetic compatibility measurement, especially a kind of conveying type electronic equipment radio frequency electromagnetic field radiation
Immunity test system.
Background technology
Modern society is flooded with electromagnetism noise, therefore all kinds of electricity everywhere with industry and the information industry development, surrounding environment
Sub- equipment needs to carry out emc testing (EMC).Emc testing refers to equipment or system in its electromagnetic environment
The operation that meets the requirements does not produce intolerable electromagnetic interference capability to any equipment in its environment.Emc testing
Comprising electromagnetic immunity test (EMS) and electromagnetic disturbance test (EMI), the electromagnetism noise pair being full of for our surrounding environment is set
The standby test influenceed belongs to electromagnetic immunity test (EMS).Important one i.e. radio frequency electromagnetic field in electromagnetic immunity test (EMS)
Radiated immunity test (RS), this test need to carry out in the anechoic chamber, for meeting international and national standard.
Anechoic chamber, is that the wall for meeting indices requirement posts the confined space of absorbing material in simple terms.Traditional
Test mode is that tester, which enters, changes next test item in anechoic chamber, successively after a test item test is completed
Repeating, process time is longer, and because test item quantity is very big, the different batches test item testing time is limited, therefore,
Can not rapidly and accurately it be tested.Meanwhile the electromagnetic wave of very high intensity is flooded with during test in the space of darkroom, can be to tester
The body of member damages.
The content of the invention
It is overcome the deficiencies in the prior art the mesh of the present invention, proposes a kind of reasonable in design, efficiency high and safe and reliable
Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system, including anechoic chamber, it is dark in electric wave
Absorbing material is posted at the surrounding inwall of room and top, and transmitting antenna is provided with anechoic chamber, and the anechoic chamber, ground is
Galvanized steel plain sheet is simultaneously formed with breach, and conveyer belt is embedded with below breach, and conveyer belt first and last end is extended anechoic chamber, both sides, passed
The bottom for being provided with steel plate and track with top and being close to anechoic chamber, is sent, steel plate can move freely for covering in orbit
Or the breach on open galvanized steel plain sheet；Rotating disk and test desk are also installed in anechoic chamber, test desk is placed on rotating disk, is being tested
Electronic equipment wire base is installed on table；Mechanical arm is installed between conveyer belt and test desk.
The shield that the anechoic chamber, is made up of hot-dip galvanizing sheet steel.
The mechanical arm is made up of plastic material and is stretched and rotated with any angle.
The mechanical arm end is that the contacting surface of nonmetallic jig arm and jig arm and electronic equipment is soft material.
Wooden table, the Desktop Dimensions of test desk are less than rotating disk and rotated with rotating disk the test desk entirely.
Equipped with independent metal power supply short column on the electronic equipment wire base, to meet different test item power demands.
The size of the steel plate is consistent in darkroom inside dimension with conveyer belt, and the size of the track is plate size two
Times.
The advantages and positive effects of the present invention are：
1st, the present invention carries out the transmission and crawl of test item using conveyer belt and mechanical arm, so as to electronic equipment and criticize
Measure testing for electrical equipment and carry out radio frequency electromagnetic field radiation immunity test, avoid tester from entering in darkroom and change test item behaviour
Make, reduce injury of the test electromagnetic field to testing crew, while reduce test process time, greatly improve operating efficiency.
2nd, conveyer belt is embedded in anechoic chamber, subsurface and by controlling the steel plate on track to realize that electric wave is dark by the present invention
The closing of room and the function of transmitting test item, on the one hand ensure the function of normal transmission test item, on the other hand can be effectively
Ensure the sealing function of anechoic chamber, avoid injury of the electromagnetic field radiation to operating personnel.
Brief description of the drawings
Fig. 1 is anechoic chamber, top view before the conveyer belt steel plate of the present invention closes；
Fig. 2 is anechoic chamber, vertical cross-sectional view；
Fig. 3 is anechoic chamber, top view after the conveyer belt steel plate of the present invention closes；
In figure, 1- anechoic chamber,s, 2- absorbing materials, 3- conveyer belts, 4- mechanical arms, 5- electronic equipment wire bases, 6-
Test desk, 7- rotating disks, 8- transmitting antennas, 9- steel plates and track.
Embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing.
A kind of conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system, as shown in Figure 1 to Figure 3, including electricity
Ripple darkroom 1, mechanical arm 4, test desk 6, rotating disk 7 and transmitting antenna 8 are installed in anechoic chamber, are provided with test desk
Electronic equipment wire base 5, conveyer belt 3 is embedded with anechoic chamber, subsurface, conveyer belt first and last end needs to extend according to test
Go out anechoic chamber, both sides, for inputting and exporting test item.Side is provided with steel plate and track 9 and is close to electric wave on a moving belt
The bottom in darkroom, plate size is consistent in darkroom inside dimension with conveyer belt, and track size is 2 times of plate size, and steel plate can be
The breach for covering or open anechoic chamber, ground is formed with is moved freely in track.
The shield that the anechoic chamber, is made up of hot-dip galvanizing sheet steel, posted in the surrounding inwall of anechoic chamber, and top
Absorbing material 2, anechoic chamber, ground is galvanized steel plain sheet and side is formed with breach on a moving belt, and indices meet in darkroom
International and requirements of the national standard.
The rotating disk configures for anechoic chamber, internal standard, can adjust rotary speed as required, standard when meeting test
It is required that.
The test desk is the complete wooden table that height is 1 meter, and the Desktop Dimensions of test desk are no more than rotating disk and with rotating disk
Rotate together.
The electronic equipment wire base is packed on test desk, is powered on electronic equipment wire base equipped with independent metal
Short column, meet different test item power demands.
The mechanical arm generally plastic material, not including any metal parts, do not influence to test electromagnetic field to reach
Purpose.Mechanical arm is fixed between rotating disk and conveyer belt, and does not influence rotating disk rotation, can the flexible, rotation with any angle
Turn, reach whole wire bases that scope can be on coverage test table, mechanical arm end is nonmetallic jig arm, can pick up electricity
Sub- equipment, and jig arm and the contacting surface of electronic equipment are soft material, to prevent scratching electronic equipment.
The transmitting antenna configures for darkroom internal standard, launches electromagnetic wave in test according to standard requirement.
The present invention application method be：
1st, the preparatory stage before the test of radio frequency electromagnetic field immunity to interference.Conveyer belt steel plate is not closed, as shown in Figures 1 and 2, transmission
Band starts to roll, and test item, which is placed on conveyer belt, enters anechoic chamber, and mechanical arm, which is hung, grabs test item and assign on test desk
Electronic equipment wire base so that test item Current Voltage terminal it is corresponding with power supply metal short column on wire base connection.Treat
After test item is all assigned, mechanical arm is disposed away from test item position, and conveyer belt stops rolling, and conveyer belt steel plate closes
Close, as shown in figure 3, now anechoic chamber, is totally-enclosed space, electronic equipment is completed to power by wire base, prepares before testing
Complete, can be tested.
2nd, radio frequency electromagnetic field immunity to interference test phase.Mechanical arm is kept in closed anechoic chamber, space away from subject
Grade puts motionless, rotation rotating disk, opens transmitting antenna, and test is completed according to test requirements document.
3rd, the stage after the completion of the test of radio frequency electromagnetic field immunity to interference.After being completed, confirm that transmitting antenna is stopped, rotating disk
Stop operating and stop initial position before testing, conveyer belt starts to roll, and conveyer belt steel plate is opened, and mechanical arm, which is hung, grabs subject
Product are extracted from wire base, and are placed on conveyer belt and are spread out of anechoic chamber,.Meanwhile prepare the subject that next group needs to test
Product, which are placed on conveyer belt, enters darkroom, repeats above procedure.
It is emphasized that embodiment of the present invention is illustrative, rather than it is limited, therefore the present invention is simultaneously
The embodiment described in embodiment is not limited to, it is every to be drawn by those skilled in the art's technique according to the invention scheme
Other embodiment, also belong to the scope of protection of the invention.
Claims (7)
1. a kind of conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system, including anechoic chamber, in anechoic chamber,
Surrounding inwall and top post absorbing material, transmitting antenna is installed in anechoic chamber, it is characterised in that：The electric wave is dark
Room floor is galvanized steel plain sheet and is formed with breach, conveyer belt is embedded with below breach, anechoic chamber, is extended at conveyer belt first and last end
Both sides, square on a moving belt to be provided with steel plate and track and be close to the bottom of anechoic chamber, steel plate can be moved freely in orbit
Employ in the breach in covering or open galvanized steel plain sheet；Rotating disk and test desk are also installed in anechoic chamber, test desk, which is placed in, to be turned
On disk, electronic equipment wire base is installed on test desk；Mechanical arm is installed between conveyer belt and test desk.
2. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：The shield that the anechoic chamber, is made up of hot-dip galvanizing sheet steel.
3. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：The mechanical arm is made up of plastic material and is stretched and rotated with any angle.
4. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：The mechanical arm end is that the contacting surface of nonmetallic jig arm and jig arm and electronic equipment is soft material.
5. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：Wooden table, the Desktop Dimensions of test desk are less than rotating disk and rotated with rotating disk the test desk entirely.
6. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：Equipped with independent metal power supply short column on the electronic equipment wire base, to meet different test item power demands.
7. conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system according to claim 1, its feature exist
In：The size of the steel plate is consistent in darkroom inside dimension with conveyer belt, and the size of the track is two times of plate size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696270.4A CN107525973A (en) | 2017-08-15 | 2017-08-15 | Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696270.4A CN107525973A (en) | 2017-08-15 | 2017-08-15 | Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525973A true CN107525973A (en) | 2017-12-29 |
Family
ID=60681146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696270.4A Pending CN107525973A (en) | 2017-08-15 | 2017-08-15 | Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system |
Country Status (1)
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| CN (1) | CN107525973A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508311A (en) * | 2018-06-08 | 2018-09-07 | 河南省计量科学研究院 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
| CN108693425A (en) * | 2018-06-08 | 2018-10-23 | 河南省计量科学研究院 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
| CN109239470A (en) * | 2018-09-04 | 2019-01-18 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN110542809A (en) * | 2019-08-19 | 2019-12-06 | 深圳立讯检测股份有限公司 | Method for testing radiation immunity of radio frequency electromagnetic field of transmission type electronic equipment |
| CN114002513A (en) * | 2021-11-05 | 2022-02-01 | 西北师范大学 | High-low electromagnetic field interactive radiation simulation device and use method thereof |
| CN114019253A (en) * | 2021-11-05 | 2022-02-08 | 西北师范大学 | Device for testing radiation immunity of radio frequency electromagnetic field of electronic equipment and using method |
| CN116859135A (en) * | 2023-08-31 | 2023-10-10 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
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| CN203535191U (en) * | 2013-09-22 | 2014-04-09 | 上海电器科学研究所（集团）有限公司 | Low-voltage and high-current rotating test rig |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508311A (en) * | 2018-06-08 | 2018-09-07 | 河南省计量科学研究院 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
| CN108693425A (en) * | 2018-06-08 | 2018-10-23 | 河南省计量科学研究院 | Fuel charger radio frequency electromagnetic field radiation immunity experiment keyboard detecting device |
| CN109239470A (en) * | 2018-09-04 | 2019-01-18 | 广州市诚臻电子科技有限公司 | A kind of screened room of draw and insert-type more switching test system |
| CN109239470B (en) * | 2018-09-04 | 2023-06-23 | 广州市诚臻电子科技有限公司 | Shielding room of extraction-insertion type replacement testing system |
| CN110542809A (en) * | 2019-08-19 | 2019-12-06 | 深圳立讯检测股份有限公司 | Method for testing radiation immunity of radio frequency electromagnetic field of transmission type electronic equipment |
| CN110542809B (en) * | 2019-08-19 | 2021-05-28 | 深圳立讯检测股份有限公司 | Method for testing radiation immunity of radio frequency electromagnetic field of transmission type electronic equipment |
| CN114002513A (en) * | 2021-11-05 | 2022-02-01 | 西北师范大学 | High-low electromagnetic field interactive radiation simulation device and use method thereof |
| CN114019253A (en) * | 2021-11-05 | 2022-02-08 | 西北师范大学 | Device for testing radiation immunity of radio frequency electromagnetic field of electronic equipment and using method |
| CN116859135A (en) * | 2023-08-31 | 2023-10-10 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
| CN116859135B (en) * | 2023-08-31 | 2023-10-31 | 辽宁信鼎检测认证有限公司 | Communication contrast test system suitable for wireless product |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |
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| RJ01 | Rejection of invention patent application after publication |