CN204462286U - Between a kind of emc testing - Google Patents
Between a kind of emc testing Download PDFInfo
- Publication number
- CN204462286U CN204462286U CN201520153393.XU CN201520153393U CN204462286U CN 204462286 U CN204462286 U CN 204462286U CN 201520153393 U CN201520153393 U CN 201520153393U CN 204462286 U CN204462286 U CN 204462286U
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- Prior art keywords
- anechoic chamber
- antenna
- shielded anechoic
- receiver
- emc testing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 230000005855 radiation Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000011358 absorbing material Substances 0.000 claims abstract description 9
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 6
- 239000008397 galvanized steel Substances 0.000 claims abstract description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses between a kind of emc testing, comprise shielded anechoic chamber, proving installation, and test board, described proving installation comprises the antenna tower be arranged in shielded anechoic chamber, and the receiver be arranged on outside shielded anechoic chamber, described antenna tower comprise antenna holder, be arranged on liftable antenna on antenna holder, described antenna receives the radiation signal of the product radiation to be measured on test board, and being transferred to described receiver, described receiver receives described radiation signal and analyzes described radiation signal.The utility model is by arranging shielded anechoic chamber; and galvanized steel flaggy, ferrite layer and absorbing material layer and protective seam are set on each wall of shielded anechoic chamber; can, effectively to each electric wave in the shielded anechoic chamber external world, test result can not be interfered, more accurately.By antenna tower are arranged to liftable structure, can need according to the size of electronic product to be measured the adjustment carrying out aerial position, to make test smooth.
Description
Technical field
The utility model relates to electromagnetic compatibility test field, particularly relates between a kind of emc testing.
Background technology
Electro Magnetic Compatibility EMC (Electro Magnetic Compatibility) refers to that equipment or system normally can work and can not bear the ability of electromagnetic disturbance to anything formation in this environment in its electromagnetic environment.
At present, along with the electromagnetic interference (EMI) emissions frequency range of each electronic product is more and more wider, electromagnetic environment is day by day severe, and every country has worked out the EMC regulation about electronic product all accordingly, such as the CCC forcible authentication of China.After obtaining corresponding regulation certification, product could be sold in this state, so, need the electronic product to producing to carry out EMC test, when existing EMC proving installation is tested, can be subject to the interference of extraneous electric wave, and test angle is not comprehensive, makes test result inaccurate.
Utility model content
The purpose of this utility model is to provide between a kind of emc testing, can shield the interference of extraneous each electric wave to test, and can carry out comprehensive test to product to be measured, obtain a test result more accurately.
For reaching this object, the utility model is by the following technical solutions: between a kind of emc testing, comprise shielded anechoic chamber, proving installation, and test board, described proving installation comprises the antenna tower be arranged in shielded anechoic chamber, and the receiver be arranged on outside shielded anechoic chamber, described antenna tower comprise antenna holder, be arranged on liftable antenna on antenna holder, described antenna receives the radiation signal of the product radiation to be measured on test board, and is transferred to described receiver, and described receiver receives described radiation signal and analyzes described radiation signal.
As preferably, each wall of described shielded anechoic chamber by outer and in be disposed with galvanized steel flaggy, ferrite layer and absorbing material layer, shield the electric wave in the described shielded anechoic chamber external world.
As preferably, described absorbing material layer is processed by isocyanurate foam or nonflammable nonwoven fabrics or silicate board metal film.
As preferably, described antenna holder comprises brace table, is arranged on the lift rail on brace table, be set in the driving box on lift rail, described antenna is located on described driving box, is provided with drive unit in described driving box, described antenna is driven by described drive unit, and lift rail moves.
As preferably, described drive unit is drive motor, and described drive motor output terminal is provided with gear, and described gear is meshed with the tooth bar that lift rail is arranged.
As preferably, the floor of described shielded anechoic chamber is provided with universal stage, and described test board is installed on described universal stage.
As preferably, described universal stage comprises the underfloor electric rotating machine being arranged on shielded anechoic chamber, and is driven the swivel plate rotated by described electric rotating machine, and test board is installed on described swivel plate.
As preferably, also comprise signal wire, described signal wire one end is connected to the tail end of described antenna, and the other end is connected to described receiver through the sidewall of shielded anechoic chamber.
As preferably, described receiver is receiver or frequency spectrograph.
As preferably, the sidewall of described shielded anechoic chamber is provided with shield door, and roof is provided with camera.
The beneficial effects of the utility model:
1, by arranging shielded anechoic chamber, and galvanized steel flaggy, ferrite layer and absorbing material layer and protective seam being set on each wall of shielded anechoic chamber, can, effectively to each electric wave in the shielded anechoic chamber external world, test result can not being interfered, more accurately.
2, by antenna tower are arranged to liftable structure, can need according to the size of electronic product to be measured the adjustment carrying out aerial position, to make test smooth.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the structural representation of antenna tower of the present utility model;
In figure:
1, shielded anechoic chamber; 2, test board; 3, antenna tower; 4, universal stage; 5, signal wire; 6, shield door; 11, galvanized steel flaggy; 12, ferrite layer; 13, absorbing material layer; 31, antenna holder; 32, antenna; 311, brace table; 312, lift rail; 313, driving box.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
In order to better carry out EMC test to electronic product, the utility model provides between a kind of emc testing, concrete structure as shown in Figure 1, it comprises shielded anechoic chamber 1, proving installation, and test board 2, wherein the part of proving installation and test board 2 are all placed in shielded anechoic chamber 1, for the ease of the understanding of the utility model structure, in FIG the roof of shielded anechoic chamber 1 and a sidewall are hidden, as shown in Figure 1, the proving installation of the present embodiment comprises the antenna tower 3 be arranged in shielded anechoic chamber 1, and the receiver be arranged on outside shielded anechoic chamber 1, receiver adopts receiver or frequency spectrograph, for to the collection of the radiation signal received and analysis.There is between antenna tower 3 and receiver the relation of Signal transmissions and reception.
As shown in Figure 2, antenna tower 3 comprise antenna holder 31, antenna holder 31 is provided with liftable antenna 32, antenna 32 receives the radiation signal of the product radiation to be measured on test board 2, and be transferred to receiver, this receiver received radiation signal is also analyzed radiation signal, and then determines whether product to be measured reaches corresponding statutory standard.Why antenna 32 is arranged to liftable by the present embodiment, is because product to be measured has different shape sizes, thus in order to the product of satisfied different size, can realizes multi-faceted test, be arranged to liftable by antenna 32, so that regulate.The present embodiment is when test, and antenna 32 faces product to be measured, directly can receive the radiation signal that product to be measured gives off.
In the present embodiment, with reference to Fig. 1, each wall of shielded anechoic chamber 1 all has characteristic shield extraneous electric wave, each wall by outward and in be disposed with galvanized steel flaggy 11, ferrite layer 12 and absorbing material layer 13, and lower end is provided with protective seam.Through the shielded anechoic chamber 1 that sandwich construction is arranged, the wave shield in the external world can be fallen, and then provide a more single test environment to product to be measured, make test result more accurate.The absorbing material layer 13 of the present embodiment preferentially selects isocyanurate foam or nonflammable nonwoven fabrics or silicate board metal film to process, to realize good shield effectiveness.
With reference to Fig. 2, the antenna holder 31 of the present embodiment comprises brace table 311, supports whole antenna tower 3 structure, and brace table 311 includes supporting seat and is arranged on the support bar below supporting seat, is wherein provided with pulley below support bar, for the movement of whole antenna tower; Brace table 311 is provided with lift rail 312, concrete is arranged on one jiao of brace table 311, lift rail 312 is arranged with driving box 313, what antenna 32 was fixing is located on driving box 313, drive unit is provided with in driving box 313, antenna 32 is driven by drive unit, and lift rail 312 moves.Drive unit is drive motor, this drive motor is arranged in driving box 313, and its output terminal is provided with gear, tooth bar is provided with on lift rail 312, tooth bar cogs with drive motor and is meshed, and then when drive motor operates time, due to the cause of wheel and rack engagement, tooth bar is in fixed state, whole driving box 313 can along lift rail 312 upwards or move down by gear driven together with antenna 32, finally realize the lift adjustment of antenna 32, to meet the test request of the product to be measured of differing heights size.
As shown in Figure 1, the floor of shielded anechoic chamber 1 is provided with universal stage 4, and described test board 2 is installed on described universal stage 4.Concrete, universal stage 4 comprises the underfloor electric rotating machine being arranged on shielded anechoic chamber 1, and the swivel plate rotated is driven by this electric rotating machine, test board 2 is installed on swivel plate, and then when product needed to be measured carries out the test of other angles time, only electric rotating machine need be driven to rotate, final drive test board 2 and the product to be measured on it carry out rotating, convenient and swift, and the universal stage 4 in the present embodiment be 360 ° without dead angle rotate, be applicable to the test request of each product.
As preferred technical scheme, also include signal wire 5 between this test, signal wire 5 one end is connected to the tail end of antenna 32, and the other end is connected to receiver through the sidewall of shielded anechoic chamber 1, for the radiation signal received by antenna 32 is passed to receiver, then analyzed by receiver.The present embodiment requires to arrange anti-shield assembly, to keep good test environment in the sidewall junction of signal wire 5 with shielded anechoic chamber 1.
In the present embodiment, the sidewall of shielded anechoic chamber 1 is provided with shield door 6, for entering of operating personnel during non-test, the roof of shielded anechoic chamber 1 is provided with camera, for monitoring the situation between test, corresponding testing process, and can adjust timely.
Obviously, above-described embodiment of the present utility model is only used to clearly demonstrate the utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. between an emc testing, comprise shielded anechoic chamber (1), proving installation, and test board (2), it is characterized in that, described proving installation comprises the antenna tower (3) be arranged in shielded anechoic chamber (1), and be arranged on shielded anechoic chamber (1) receiver outward, described antenna tower (3) comprise antenna holder (31), be arranged on the upper liftable antenna (32) of antenna holder (31), described antenna (32) receives the radiation signal of the product radiation to be measured on test board (2), and be transferred to described receiver, described receiver receives described radiation signal and analyzes described radiation signal.
2. between emc testing according to claim 1, it is characterized in that, described shielded anechoic chamber (1) each wall by outer and in be disposed with galvanized steel flaggy (11), ferrite layer (12) and absorbing material layer (13), shield the electric wave in described shielded anechoic chamber (1) external world.
3. between emc testing according to claim 2, it is characterized in that, described absorbing material layer is processed by isocyanurate foam or nonflammable nonwoven fabrics or silicate board metal film.
4. between emc testing according to claim 1, it is characterized in that, described antenna holder (31) comprises brace table (311), be arranged on the lift rail (312) on brace table (311), be set in the driving box (313) on lift rail (312), described antenna (32) is located on described driving box (313), described driving box is provided with drive unit in (313), described antenna (32) is driven by described drive unit, upper mobile at lift rail (312).
5. between emc testing according to claim 4, it is characterized in that, described drive unit is drive motor, and described drive motor output terminal is provided with gear, and described gear is meshed with the upper tooth bar arranged of lift rail (312).
6. between emc testing according to claim 1, it is characterized in that, the floor of described shielded anechoic chamber (1) is provided with universal stage (4), and described test board (2) is installed on described universal stage (4).
7. between emc testing according to claim 6, it is characterized in that, described universal stage (4) comprises the underfloor electric rotating machine being arranged on shielded anechoic chamber (1), and the swivel plate rotated is driven by described electric rotating machine, test board (2) is installed on described swivel plate.
8. between emc testing according to claim 1, it is characterized in that, also comprise signal wire (5), described signal wire (5) one end is connected to the tail end of described antenna (32), and the other end is connected to described receiver through the sidewall of shielded anechoic chamber (1).
9. between emc testing according to claim 1, it is characterized in that, described receiver is receiver or frequency spectrograph.
10. between emc testing according to claim 1, it is characterized in that, the sidewall of described shielded anechoic chamber (1) is provided with shield door (6), and roof is provided with camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153393.XU CN204462286U (en) | 2015-03-18 | 2015-03-18 | Between a kind of emc testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520153393.XU CN204462286U (en) | 2015-03-18 | 2015-03-18 | Between a kind of emc testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462286U true CN204462286U (en) | 2015-07-08 |
Family
ID=53669155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520153393.XU Expired - Fee Related CN204462286U (en) | 2015-03-18 | 2015-03-18 | Between a kind of emc testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204462286U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505513A (en) * | 2016-06-14 | 2017-12-22 | 美光科技公司 | Device and method for test device |
| CN107525973A (en) * | 2017-08-15 | 2017-12-29 | 国网天津市电力公司电力科学研究院 | Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system |
| CN109358215A (en) * | 2018-09-04 | 2019-02-19 | 广州市诚臻电子科技有限公司 | A kind of screened room of rotary replacement monitor station |
| CN109921868A (en) * | 2019-02-27 | 2019-06-21 | Oppo广东移动通信有限公司 | A kind of technological equipment and a kind of measurement method of the radiation value of electronic device |
| 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 |
| CN113406399A (en) * | 2021-06-22 | 2021-09-17 | 珠海市精实测控技术有限公司 | Socket RF signal leakage automatic checkout device |
| CN113721083A (en) * | 2021-09-02 | 2021-11-30 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
| CN113884774A (en) * | 2021-08-30 | 2022-01-04 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothes |
| CN114302441A (en) * | 2021-11-29 | 2022-04-08 | 杭州永谐科技有限公司 | System for applying 5G MIMO technology to carry out batch test on multiple UE |
| 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 |
-
2015
- 2015-03-18 CN CN201520153393.XU patent/CN204462286U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505513A (en) * | 2016-06-14 | 2017-12-22 | 美光科技公司 | Device and method for test device |
| CN107525973A (en) * | 2017-08-15 | 2017-12-29 | 国网天津市电力公司电力科学研究院 | Conveying type electronic equipment radio frequency electromagnetic field radiation immunity test system |
| CN109358215A (en) * | 2018-09-04 | 2019-02-19 | 广州市诚臻电子科技有限公司 | A kind of screened room of rotary replacement monitor station |
| CN109358215B (en) * | 2018-09-04 | 2024-03-26 | 广州市诚臻电子科技有限公司 | Shielding room of rotary replacement detection table |
| CN109921868A (en) * | 2019-02-27 | 2019-06-21 | Oppo广东移动通信有限公司 | A kind of technological equipment and a kind of measurement method of the radiation value of electronic device |
| CN109921868B (en) * | 2019-02-27 | 2021-04-27 | Oppo广东移动通信有限公司 | Technological equipment and method for measuring radiation value of electronic device |
| 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 |
| CN113406399B (en) * | 2021-06-22 | 2022-07-05 | 珠海市精实测控技术有限公司 | Socket RF signal leakage automatic checkout device |
| CN113406399A (en) * | 2021-06-22 | 2021-09-17 | 珠海市精实测控技术有限公司 | Socket RF signal leakage automatic checkout device |
| CN113884774A (en) * | 2021-08-30 | 2022-01-04 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothes |
| CN113884774B (en) * | 2021-08-30 | 2024-04-26 | 西安工程大学 | Device and method for continuously testing electromagnetic wave reflection performance of electromagnetic shielding clothing |
| CN113721083B (en) * | 2021-09-02 | 2024-02-23 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
| CN113721083A (en) * | 2021-09-02 | 2021-11-30 | 深圳市德普华电子测试技术有限公司 | Radiation stray test system and test method |
| CN114302441A (en) * | 2021-11-29 | 2022-04-08 | 杭州永谐科技有限公司 | System for applying 5G MIMO technology to carry out batch test on multiple UE |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 4499, Wuzhong Avenue, Hengjing street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: WALTEK SERVICES (SU ZHOU) Co.,Ltd. Address before: 215129 699 deer Road, Suzhou hi tech Development Zone, Jiangsu, Suzhou Patentee before: WALTEK SERVICES (SU ZHOU) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |