CN203164406U - GTEM chamber based ultrahigh frequency sensor sensitivity testing device - Google Patents
GTEM chamber based ultrahigh frequency sensor sensitivity testing device Download PDFInfo
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- CN203164406U CN203164406U CN 201320144998 CN201320144998U CN203164406U CN 203164406 U CN203164406 U CN 203164406U CN 201320144998 CN201320144998 CN 201320144998 CN 201320144998 U CN201320144998 U CN 201320144998U CN 203164406 U CN203164406 U CN 203164406U
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- frequency sensor
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Abstract
The utility model relates to a GTEM chamber based ultrahigh frequency sensor sensitivity testing device, which comprises a GTEM chamber, a signal generator and a spectrum analyzer, wherein the signal generator is connected with a signal transmitting terminal of the GTEM chamber, an ultrahigh frequency sensor to be tested is arranged in a test area of the GTEM chamber and connected with the spectrum analyzer. Compared with the prior art, by using the structure of the GTEM chamber, the ultrahigh frequency sensor is arranged in the test area of the GTEM chamber, and voltage signals of the sensor are acquired and compared with a field intensity value of the sensor position, thereby detecting the sensitivity of the ultrahigh frequency sensor. In addition, the test precision is further improved through averaging a plurality of groups of data.
Description
Technical field
The utility model relates to a kind of proving installation, especially relates to a kind of uhf sensor sensibility testing arrangement based on the GTEM chamber.
Background technology
Testing tool is put in ultrahigh frequency office can be divided into generally that tester is put in hand-held ultrahigh frequency office, tester is put in portable ultrahigh frequency office and test macro is put in centimetre-sized location ultrahigh frequency office.Hand-held ultrahigh frequency office puts tester and generally has 1～2 ultra-high frequency signal treatment channel, adopts the embedded type CPU chip, and instrument generally all has time domain collection of illustrative plates or other relevant collection of illustrative plates to show the ultra-high frequency signal amplitude of test.Tester is put in portable ultrahigh frequency office, refers to be with 2～4 uhf channels, adopts notebook computer control front end signal conditioning and data collector, and data are analyzed and testing apparatus is put in the office that diagnoses.
Centimetre-sized location ultrahigh frequency office puts digital storage oscilloscope that test macro refers generally to have high sampling rate, can analyze flexibly and carry out pinpoint office ultrahigh frequency office discharge signal and put test macro.System generally is made up of uhf sensor, signal regulating device and digital storage oscilloscope.For the accuracy that guarantees to test, the sensitivity of uhf sensor is particularly important, but lacks the device that can accurately test uhf sensor sensitivity at present.
The utility model content
The purpose of this utility model is exactly to provide a kind of uhf sensor sensibility testing arrangement based on the GTEM chamber for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of uhf sensor sensibility testing arrangement based on the GTEM chamber, comprise GTEM chamber, signal generator and spectrum analyzer, described signal generator is connected with the signal transmitting terminal of GTEM chamber, uhf sensor to be tested is arranged in the test zone of GTEM chamber, and is connected with spectrum analyzer.
The shaft section of the test zone of described GTEM chamber is isosceles triangular structure, and described signal transmitting terminal is positioned at the summit of isosceles triangular structure, and the place, base of isosceles triangular structure arranges the absorbing material layer.
Described signal generator is the signal generator of output frequency between 300MHz～1500MHz.
Compared with prior art, the utility model utilizes the structure of GTEM chamber, uhf sensor is arranged in the test zone of GTEM chamber, obtain the voltage signal of sensor, compare with the field intensity value of sensing station, detector sensitivity, and can average by multi-group data, the precision of test further improved.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of uhf sensor sensibility testing arrangement based on the GTEM chamber, comprise GTEM chamber 1, signal generator 2 and spectrum analyzer 3, signal generator 2 is connected with the signal transmitting terminal 11 of GTEM chamber 1, the test signal of output frequency between 300MHz～1500MHz, uhf sensor 4 to be tested is arranged in the test zone of GTEM chamber, the shaft section of this test zone is isosceles triangular structure, described signal transmitting terminal 11 is positioned at the summit of isosceles triangular structure, and the place, base of isosceles triangular structure arranges absorbing material layer 12.Spectrum analyzer 3 connects the output terminal of uhf sensors 4, obtains the voltage signal of uhf sensor 4, and the ratio of voltage signal and the field intensity of uhf sensor 4 positions is the test value of sensitivity.
Claims (3)
1. uhf sensor sensibility testing arrangement based on the GTEM chamber, it is characterized in that, comprise GTEM chamber, signal generator and spectrum analyzer, described signal generator is connected with the signal transmitting terminal of GTEM chamber, uhf sensor to be tested is arranged in the test zone of GTEM chamber, and is connected with spectrum analyzer.
2. a kind of uhf sensor sensibility testing arrangement based on the GTEM chamber according to claim 1, it is characterized in that, the shaft section of the test zone of described GTEM chamber is isosceles triangular structure, described signal transmitting terminal is positioned at the summit of isosceles triangular structure, and the place, base of isosceles triangular structure arranges the absorbing material layer.
3. a kind of uhf sensor sensibility testing arrangement based on the GTEM chamber according to claim 1 is characterized in that, described signal generator is the signal generator of output frequency between 300MHz～1500MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144998 CN203164406U (en) | 2013-03-27 | 2013-03-27 | GTEM chamber based ultrahigh frequency sensor sensitivity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144998 CN203164406U (en) | 2013-03-27 | 2013-03-27 | GTEM chamber based ultrahigh frequency sensor sensitivity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164406U true CN203164406U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320144998 Expired - Lifetime CN203164406U (en) | 2013-03-27 | 2013-03-27 | GTEM chamber based ultrahigh frequency sensor sensitivity testing device |
Country Status (1)
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| CN (1) | CN203164406U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630774A (en) * | 2013-11-14 | 2014-03-12 | 中国电子科技集团公司第四十一研究所 | Comprehensive test simulation environment combining humiture, vibration and electromagnetism |
| CN104215925A (en) * | 2014-09-09 | 2014-12-17 | 广州供电局有限公司 | High-frequency sensor and sensitivity detecting device and method thereof |
| CN106610480A (en) * | 2015-10-27 | 2017-05-03 | 中国电力科学研究院 | Multi-parameter ultra-high frequency sensor performance comprehensive evaluation method |
| CN106772170A (en) * | 2015-11-23 | 2017-05-31 | 中国电力科学研究院 | A kind of calibration method of UHF partial-discharge measuring devices |
| CN108375749A (en) * | 2018-04-02 | 2018-08-07 | 国网安徽省电力有限公司电力科学研究院 | A kind of superfrequency PD meter automated calibration system and method |
-
2013
- 2013-03-27 CN CN 201320144998 patent/CN203164406U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630774A (en) * | 2013-11-14 | 2014-03-12 | 中国电子科技集团公司第四十一研究所 | Comprehensive test simulation environment combining humiture, vibration and electromagnetism |
| CN103630774B (en) * | 2013-11-14 | 2016-04-13 | 中国电子科技集团公司第四十一研究所 | A kind of humiture, vibration and electromagnetic compatibility compbined test analog machine |
| CN104215925A (en) * | 2014-09-09 | 2014-12-17 | 广州供电局有限公司 | High-frequency sensor and sensitivity detecting device and method thereof |
| CN106610480A (en) * | 2015-10-27 | 2017-05-03 | 中国电力科学研究院 | Multi-parameter ultra-high frequency sensor performance comprehensive evaluation method |
| CN106772170A (en) * | 2015-11-23 | 2017-05-31 | 中国电力科学研究院 | A kind of calibration method of UHF partial-discharge measuring devices |
| CN108375749A (en) * | 2018-04-02 | 2018-08-07 | 国网安徽省电力有限公司电力科学研究院 | A kind of superfrequency PD meter automated calibration system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |