CN204556752U - A kind of electromagnetic interference test device of double antenna and system - Google Patents
A kind of electromagnetic interference test device of double antenna and system Download PDFInfo
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- CN204556752U CN204556752U CN201520225621.XU CN201520225621U CN204556752U CN 204556752 U CN204556752 U CN 204556752U CN 201520225621 U CN201520225621 U CN 201520225621U CN 204556752 U CN204556752 U CN 204556752U
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Abstract
The utility model relates to Electromagnetic Interference Test technical field, provide a kind of electromagnetic interference test device and system of double antenna, wherein device comprises antenna A, the antenna B of vertical direction polarization, switch matrix and the EMI receiver of horizontal direction polarization, described device comprises: control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connects the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively; Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.The utility model embodiment make use of the undesired signal that horizontal and vertical direction measured by two receiving antennas simultaneously, and switch matrix, solves because change the double Measuring Time caused in antenna polarization direction, greatly improves measurement efficiency.
Description
[technical field]
The utility model relates to Electromagnetic Interference Test technical field, particularly relates to a kind of electromagnetic interference test device and system of double antenna.
[background technology]
Radiation interference test is a big event in electromagnetic compatibility test field, and nearly all electronic product all needs to perform this and tests the market that just can circulate.The current scheme of this test is mainly at the test site of a standard, an antenna is utilized to carry out reception electromagnetic wave, again electromagnetic wave is delivered to receiver or spectrum analyzer carry out analysis and finally draw data, but for testing out the maximum interference intensity of electronic product, during actual test except the revolving-turret of necessity and antenna tower, also measurement antenna must be placed in horizontal polarization and vertical polarization is carried out respectively, in addition also need to test accordingly under the different working modes of product.Along with the development of society and the more complicated variation of product function, it is also just more and more longer that the radiation interference of carrying out an electronic product tests the time spent.In this case, need to take some more efficient proving installations to reduce the test duration, improve testing efficiency.
About the test duration of radiation interference, it equals the test duration * 2 (antenna horizontal polarization+vertical polarization) under the single pattern of product pattern quantity * and individual antenna polarised direction, and two polarised directions also just mean that the test duration is double as can be seen here.
[summary of the invention]
The technical problems to be solved in the utility model is to provide a kind of device simultaneously carrying out horizontal polarization and vertical polarization test, in order to draw the radiation interference test result of horizontal and vertical simultaneously.The utility model adopts following technical scheme:
On the one hand, the utility model embodiment provides a kind of electromagnetic interference test device of double antenna, and comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively;
Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
Preferably, when described EMI receiver specifically comprises EMI receiver A and EMI receiver B, described connect described switch matrix respectively two outbound port C and port D to the signal input port of described EMI receiver, specifically comprise: described couple of outbound port C and port D is connected respectively to described EMI receiver A and EMI receiver B, then described device also comprises: control described switch matrix, switch internal port connected mode, port A described in conducting and port D, and port B and port C.
Preferably, the signal that the antenna B that the antenna A of described reveal competence direction polarization and vertical direction polarize receives, specifically also comprises: display receives peak value corresponding to signal, quasi-peak value, mean value, one or more supplemental characteristics in output power.
Preferably, adjustment switch matrix, port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
On the other hand, the utility model embodiment provides a kind of electromagnetic interference test device of double antenna, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer; Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
Preferably, described EMI receiver completes the signal record to described antenna A, specifically comprises: peak value, quasi-peak value, mean value, the record of one or more supplemental characteristics in output power.
Preferably, described spectrum analyzer, to the signal record of antenna B, specifically comprises: the record of one or more supplemental characteristics in signal distortion, percentage modulation spectral purity, frequency stability and crosstalk.
Also have on the one hand, the utility model embodiment provides a kind of electromagnetic interference test system of double antenna, and comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively; Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
Preferably, adjustment switch matrix, port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
Also have on the one hand, the utility model embodiment provides a kind of electromagnetic interference test system of double antenna, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer; Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
Compared with prior art, the beneficial effects of the utility model are: the utility model embodiment make use of the undesired signal that horizontal and vertical direction measured by two receiving antennas simultaneously, and switch matrix, solve because change the double Measuring Time caused in antenna polarization direction, greatly improve measurement efficiency.
[accompanying drawing explanation]
Fig. 1 is the structure drawing of device of the Electromagnetic Interference Test of a kind of double antenna that the utility model embodiment provides;
Fig. 2 is the structure drawing of device of the Electromagnetic Interference Test of a kind of double antenna that the utility model embodiment provides;
Fig. 3 is the system architecture schematic diagram of the Electromagnetic Interference Test of a kind of double antenna that the utility model embodiment provides;
Fig. 4 is the system architecture schematic diagram of the Electromagnetic Interference Test of a kind of double antenna that the utility model embodiment provides;
Fig. 5 is the system architecture schematic diagram of the Electromagnetic Interference Test of a kind of double antenna that the utility model embodiment provides.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
embodiment 1:
As shown in Figure 1, the utility model example 1 provides a kind of electromagnetic interference test device of double antenna, and comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively.
Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
Wherein, show the signal received, the display comprised receives peak value corresponding to signal, quasi-peak value, mean value, one or more supplemental characteristics in output power.
The utility model embodiment make use of the undesired signal that horizontal and vertical direction measured by two receiving antennas simultaneously, and switch matrix, solves because change the double Measuring Time caused in antenna polarization direction, greatly improves measurement efficiency.
In the present embodiment, described EMI receiver can be specifically provide 2 signal input ports to two outbound port C of described switch matrix and port D by 1, and the system construction drawing of its correspondence as shown in Figure 3; Also can be provide 1 signal input port to two outbound port C of described switch matrix and port D respectively by 2 EMI receivers, the system construction drawing of its correspondence as shown in Figure 4.For the implementation of wherein the latter, specifically comprise: described couple of outbound port C and port D is connected respectively to described EMI receiver A and EMI receiver B, then described device also comprises: control described switch matrix, switch internal port connected mode, port A described in conducting and port D, and port B and port C.
In conjunction with the switch matrix described in the present embodiment, the parallel test function of the binary channels as described in embodiment one is not only provided, the test result between poliarizing antenna after signal disturbing can also be provided.Therefore, also there is a kind of implementation of expansion in conjunction with the present embodiment, wherein, adjustment switch matrix, port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
embodiment 2:
As shown in Figure 2, the utility model embodiment provides a kind of electromagnetic interference test device of double antenna, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer.
Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
The utility model embodiment make use of the undesired signal that horizontal and vertical direction measured by two receiving antennas simultaneously, and utilize the mode that switch matrix use receiver and spectrum analyzer combine, solve when not increasing a large amount of input because change the double Measuring Time caused in antenna polarization direction, one times will be shortened the test duration, greatly improve measurement efficiency, reduce the R&D costs of product.
In conjunction with the present embodiment, preferably, described EMI receiver completes the signal record to described antenna A, specifically comprises: peak value, quasi-peak value, mean value, the record of one or more supplemental characteristics in output power.
In conjunction with the present embodiment, preferably, described spectrum analyzer, to the signal record of antenna B, specifically comprises: the record of one or more supplemental characteristics in signal distortion, percentage modulation spectral purity, frequency stability and crosstalk.
embodiment 3:
As shown in Figure 3, the utility model embodiment provides a kind of electromagnetic interference test system of double antenna, and comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively; Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
In conjunction with the present embodiment, preferably, adjustment switch matrix, port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
embodiment 4:
As shown in Figure 5, the utility model embodiment provides a kind of electromagnetic interference test system of double antenna, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer; Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
Compared with prior art, the beneficial effects of the utility model are: the utility model embodiment make use of the undesired signal that horizontal and vertical direction measured by two receiving antennas simultaneously, and switch matrix, solve because change the double Measuring Time caused in antenna polarization direction, greatly improve measurement efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an electromagnetic interference test device for double antenna, is characterized in that, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively;
Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
2. device according to claim 1, it is characterized in that, when described EMI receiver specifically comprises EMI receiver A and EMI receiver B, described connect described switch matrix respectively two outbound port C and port D to the signal input port of described EMI receiver, specifically comprise:
Described couple of outbound port C and port D is connected respectively to described EMI receiver A and EMI receiver B, then described device also comprises:
Control described switch matrix, switch internal port connected mode, port A described in conducting and port D, and port B and port C.
3. device according to claim 1, is characterized in that, the signal that the antenna B that the antenna A of described reveal competence direction polarization and vertical direction polarize receives, and specifically also comprises:
Display receives peak value corresponding to signal, quasi-peak value, mean value, one or more supplemental characteristics in output power.
4. device according to claim 1, is characterized in that, adjustment switch matrix, and port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
5. an electromagnetic interference test device for double antenna, is characterized in that, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described device comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer;
Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
6. device according to claim 5, is characterized in that, described EMI receiver completes the signal record to described antenna A, specifically comprises:
Peak value, quasi-peak value, mean value, the record of one or more supplemental characteristics in output power.
7. device according to claim 5, is characterized in that, described spectrum analyzer, to the signal record of antenna B, specifically comprises:
The record of one or more supplemental characteristics in signal distortion, percentage modulation spectral purity, frequency stability and crosstalk.
8. an electromagnetic interference test system for double antenna, is characterized in that, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix and EMI receiver, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect the signal input port of two outbound port C of described switch matrix and port D to described EMI receiver respectively;
Control described switch matrix, port A described in conducting and port C, and port B and port D, making on described EMI receiver can the signal that receives of the antenna A of reveal competence direction polarization and the antenna B of vertical direction polarization respectively.
9. system according to claim 8, is characterized in that, adjustment switch matrix, and port A described in conducting and port C, and port B and port C, make described EMI receiver can show the frequency spectrum being mixed with the signal that described antenna A and antenna B receives.
10. an electromagnetic interference test system for double antenna, is characterized in that, comprise the antenna A being set to horizontal direction polarization, the antenna B being set to vertical direction polarization, switch matrix, EMI receiver and spectrum analyzer, described system comprises:
Control described switch matrix and connect its couple of inlet side mouth A and port B respectively to described antenna A and antenna B, connect two outbound port C of described switch matrix and port D respectively to the described signal input port of EMI receiver and the signal input port of spectrum analyzer;
Control described switch matrix, port A described in conducting and port C, and port B and port D, and described EMI receiver complete to the signal record of described antenna A and described spectrum analyzer to the signal record of antenna B after, port switching A and port D conducting, and port B and port C conducting.
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| CN201520225621.XU CN204556752U (en) | 2015-04-15 | 2015-04-15 | A kind of electromagnetic interference test device of double antenna and system |
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| CN201520225621.XU CN204556752U (en) | 2015-04-15 | 2015-04-15 | A kind of electromagnetic interference test device of double antenna and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777381A (en) * | 2015-04-15 | 2015-07-15 | 深圳市巴伦检测技术有限公司 | Double-antenna electromagnetic interference testing method and system |
| CN113075464A (en) * | 2021-03-30 | 2021-07-06 | 一汽奔腾轿车有限公司 | Vehicle-mounted three-in-one antenna electromagnetic compatibility test system and control method thereof |
| CN116125172A (en) * | 2022-12-30 | 2023-05-16 | 北京长鹰恒容电磁科技有限公司 | Electromagnetic environment data acquisition and feature analysis method |
-
2015
- 2015-04-15 CN CN201520225621.XU patent/CN204556752U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777381A (en) * | 2015-04-15 | 2015-07-15 | 深圳市巴伦检测技术有限公司 | Double-antenna electromagnetic interference testing method and system |
| CN104777381B (en) * | 2015-04-15 | 2018-03-27 | 深圳市巴伦检测技术有限公司 | A kind of Electromagnetic Interference Test method and system of double antenna |
| CN113075464A (en) * | 2021-03-30 | 2021-07-06 | 一汽奔腾轿车有限公司 | Vehicle-mounted three-in-one antenna electromagnetic compatibility test system and control method thereof |
| CN116125172A (en) * | 2022-12-30 | 2023-05-16 | 北京长鹰恒容电磁科技有限公司 | Electromagnetic environment data acquisition and feature analysis method |
| CN116125172B (en) * | 2022-12-30 | 2023-08-11 | 北京长鹰恒容电磁科技有限公司 | Electromagnetic environment data acquisition and feature analysis method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 section B of the warehouse of Baisha logistics company, Shahe West Road, Shahe West Road, Shahe street, Shenzhen, Guangdong Province, 518000 Patentee after: Shenzhen barren technology Limited by Share Ltd Address before: 518055 District B, Shenzhen, Shenzhen, Guangdong, Shahe West Road Baisha science and Technology Industrial Park, Nanshan District Patentee before: Ba Lun detection technique company limited of Shenzhen |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electromagnetic interference testing arrangement and system of double antenna Effective date of registration: 20180612 Granted publication date: 20150812 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen barren technology Limited by Share Ltd Registration number: 2018990000448 |
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Date of cancellation: 20200628 Granted publication date: 20150812 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN BALUN TECHNOLOGY Co.,Ltd. Registration number: 2018990000448 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 area B, 1st floor, warehouse 2, Baisha logistics company, 3011 Shahe West Road, Shahe street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Ti & balun Technology Co.,Ltd. Address before: 518000 area B, 1st floor, warehouse 2, Baisha logistics company, 3011 Shahe West Road, Shahe street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BALUN TECHNOLOGY Co.,Ltd. |
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