CN2128388Y - Omnidirectional electromagnetic field intensity meter probe - Google Patents
Omnidirectional electromagnetic field intensity meter probe Download PDFInfo
- Publication number
- CN2128388Y CN2128388Y CN 92226104 CN92226104U CN2128388Y CN 2128388 Y CN2128388 Y CN 2128388Y CN 92226104 CN92226104 CN 92226104 CN 92226104 U CN92226104 U CN 92226104U CN 2128388 Y CN2128388 Y CN 2128388Y
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- China
- Prior art keywords
- field intensity
- probe
- intensity meter
- electromagnetic field
- probes
- Prior art date
- 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
- 239000000523 sample Substances 0.000 title claims abstract description 25
- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
An omnidirectional electromagnetic field intensity meter probe for testing space electromagnetic interference and harmful field intensity; the field intensity meter is improved into a plurality of probes on the basis of a single-probe field intensity meter, each probe consists of three dipoles, three detection circuits, a support frame and a high-resistance feeder, the input ends of the three detection circuits are respectively connected with the three dipoles in a matching mode, and the output ends of the three detection circuits are connected with the high-resistance feeder after being connected in series. The device has the advantages of simple structure, light weight, small volume, power saving, capability of being matched and connected with a simple circuit, capability of reaching a measuring range of more than 50 decibels, good reliability and stability, convenient maintenance and calibration and low production cost.
Description
The utility model relates to surveying instrument, and specifically a kind of omnidirectional's electromagnetic field intensity meter of being made up of many probes is popped one's head in more.
Be used for respectively polarize three electromagnetic near field electrometer of field strength probe of field intensity and total intensity of measurement space all is single probe in the past, for example the Narda8600 series radio frequency width of cloth of U.S. Narda company production is penetrated the EFM-5 type of detecting device and NBS's production, HI-3004 type electrometer of field strength etc., and my patent " a kind of three electromagnetic near field electrometer of field strength probe " (patent No.: CN87213153.X), if this class single probe electrometer of field strength is the better simply circuit of proportioning, it is then less that it measures range, generally only be about 30 decibels, if increase range, then need connect complicated circuit, and its poor stability, weight, volume is all bigger, power consumption is also bigger, and failure rate is also higher.
The purpose of this utility model provides that a kind of measurement range is bigger, simple in structure, in light weight, and volume is little, power consumptive province, and cheap omnidirectional's electromagnetic field strong dose probe of being made up of a plurality of probes.
Realize that the purpose of this utility model is on the basis of my CN87213153.X patent, change single probe and be a plurality of probes, each probe is made of three electrode couple, three detecting circuits, bracing frame and high resistant feeder line, the input end of three detecting circuits connects with three electrode couple respectively, and output terminal series connection back is connected with the high resistant feeder line.
The utility model is simple in structure, and is in light weight, and volume is little, and the power consumptive province can connect better simply circuit, and its range can reach more than 50 decibels, and reliability and stability are good, and maintenance and calibration are all very convenient, and low production cost is better than external similar import instrument.The utility model disturbs and endangers the near field measurement except that being used for, and also can be used for monitoring wireless radiation power etc.
Fig. 1 is two sonde configuration synoptic diagram of the present utility model.
That shown in Figure 1 is a kind of embodiment of the present utility model, it is the improvement on CN87213153.X patent basis, in insulation crust 7, by bearing support 1, three electrode couple 2, three detecting circuits 3 and high resistant feeder line 8 are formed a probe, by bearing support 4, three electrode couple 5, three detecting circuits 6 and high resistant feeder line 9 are formed another probes, bearing support 1 and 4 is connected to each other and the bearing support 4 by the bottom side is fixed on the cramp bar 10, detecting circuit 3 and 6 all has three respectively, each all is by resistance, diode, electric capacity constitutes, the input end of three detecting circuits 3 connects with three electrode couple 2 respectively, connect 8 outputs of high resistant feeder line after its three road output terminals series connection, three detecting circuits 6, connection and three electrode couple 2 that three electrode couples 5 and high resistant feeder line are 9, three detecting circuits 3, the connection that reaches 9 of high resistant feeder lines is identical; High resistant feeder line 8 and 9 passes cramp bar 10 and through extension line 11 access table bodies 12, isolates by bearing support 1, three electrode couple 2, three detecting circuits 3 with by electricity between bearing support 4, three electrode couple 5, three probes that detecting circuit 6 is formed.Here, bearing support 1 and 4 is made for nonmetallic materials, and cramp bar 10 is a hollow plastic tube, and diode can be selected schottky diode, 2AP31 or other ultrahigh frequency detection tube for use.
The utility model also can have a plurality of embodiment such as three probes, four probes by above-mentioned two sonde configuration forms, and the structure of each embodiment and combination thereof are identical with two probe principles of the foregoing description.
The utility model survey frequency scope is 0.5MHZ-1000MHZ or 2MHZ-10000MHZ
Field strength range is 0.1uw/cm
2-700mw/cm
2
Or 0.01uw/cm
2-20mw/cm
2
Each to homogeneity error＜± 0.5dB.
Claims (1)
1, a kind of omnidirectional electromagnetic field strong dose probe, comprise insulation crust 7 and bearing support 1, three single probes that detecting circuit 2, three electrode couples 3 and high resistant feeder line 8 are formed, it is characterized in that also having a plurality of probes of forming by three detecting circuits, bearing support, three electrode couple and high resistant feeder line, the input end of their three detecting circuits connects with three electrode couple respectively, outputs to the high resistant feeder line and meets the people after the series connection of three road output terminals and show body 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92226104 CN2128388Y (en) | 1992-06-27 | 1992-06-27 | Omnidirectional electromagnetic field intensity meter probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92226104 CN2128388Y (en) | 1992-06-27 | 1992-06-27 | Omnidirectional electromagnetic field intensity meter probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2128388Y true CN2128388Y (en) | 1993-03-17 |
Family
ID=33770521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92226104 Expired - Fee Related CN2128388Y (en) | 1992-06-27 | 1992-06-27 | Omnidirectional electromagnetic field intensity meter probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2128388Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955076A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Design method of spherical near field test probe |
| CN103004016A (en) * | 2010-07-23 | 2013-03-27 | 扩音器研究股份有限公司 | Field probe |
| CN105676007A (en) * | 2016-02-17 | 2016-06-15 | 北京森馥科技股份有限公司 | Dipole antenna and omnidirectional probe employing same |
-
1992
- 1992-06-27 CN CN 92226104 patent/CN2128388Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004016A (en) * | 2010-07-23 | 2013-03-27 | 扩音器研究股份有限公司 | Field probe |
| CN103004016B (en) * | 2010-07-23 | 2014-11-12 | 扩音器研究股份有限公司 | Field probe |
| CN102955076A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Design method of spherical near field test probe |
| CN105676007A (en) * | 2016-02-17 | 2016-06-15 | 北京森馥科技股份有限公司 | Dipole antenna and omnidirectional probe employing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |