CN103728611B - A kind of localization method and alignment system of shield shell slit position - Google Patents
A kind of localization method and alignment system of shield shell slit position Download PDFInfo
- Publication number
- CN103728611B CN103728611B CN201310682589.3A CN201310682589A CN103728611B CN 103728611 B CN103728611 B CN 103728611B CN 201310682589 A CN201310682589 A CN 201310682589A CN 103728611 B CN103728611 B CN 103728611B
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- Prior art keywords
- electromagnetic wave
- electromagnetic
- shield shell
- energy value
- wave energy
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
Abstract
The invention provides a kind of localization method and alignment system of shield shell slit position, this method includes：Step S101, the electromagnetic wave sent by focusing arrangement to shield shell slit are focused；Step S102, electromagnetic wave is received by diverse location of the electromagnetic receiving device after focusing in electromagnetic regime；Step S103, the electromagnetic wave that the electromagnetic receiving device receives is converted to by electromagnetic wave energy value by optical recording apparatus and recorded；Step S104, described electromagnetic wave energy value is compared by analytical equipment, draws maximum electromagnetic wave energy value, and determine to obtain the position of the maximum electromagnetic wave energy value；Step S105, described shield shell slit position is positioned by the position of described maximum electromagnetic wave energy value.The localization method and alignment system of the shield shell slit position can be accurately positioned to small slit, effectively prevent shield shell electromagnetic leakage.
Description
Technical field
The present invention relates to field of optical detection, in particular it relates to the localization method of a kind of shield shell slit position and fixed
Position system.
Background technology
Electronic equipment in use, can usually be disturbed by electromagnetic wave, in order to protect electronic devices from itself
Or external electromagnetic interference, it will usually which shielding measure is taken to electronic equipment.Big system can be positioned over screened room or take
In the building of shielding measure, small electronic equipment is typically electromagnetically shielded by shield shell.However, on shield shell
It is general all inevitably to carry slit, or the connection for power line and signal wire, or be actually needed for ventilation etc..Shielding
The slit electromagnetic leakage of housing will form electromagnetic disturbance to other things in system, and produce electromagnetic compatibility problem.And its each mould
In the event of similar radiation between block, mutual harassing and wrecking are will also cause, influence coexisting between modules.Therefore, shielding design requirement,
Slit width must be controlled in λ/10 of minimal wave length between λ/100.However, electromagnetic radiation is after slit diffraction, due to ripple
Coherent superposition, strengthened on the contrary, generate the special-effect different from shielding design expection, influence the normal of electronic equipment
Use.
At present, shield shell slit is detected usually using near field probes, but is often finding leakage point and carrying out
After shielding processing, it is found that radiation leakage does not obtain enough improvement, its reason is exactly that leakage point is small slit, and this is slightly
The wave frequency of aperture seam leakage is up to 400GHz, and the near field probes used now can only detect 30MHz-6GHz frequencies
In the range of electromagnetic wave.
The content of the invention
Include to solve the above problems, the present invention provides a kind of localization method of shield shell slit position：
Step S101, the electromagnetic wave sent by focusing arrangement to shield shell slit are focused；
Step S102, electromagnetic wave is carried out by diverse location of the electromagnetic receiving device after focusing in electromagnetic regime
Receive；
Step S103, the electromagnetic wave that the electromagnetic receiving device receives is converted to by electromagnetic wave by optical recording apparatus
Energy value is simultaneously recorded；
Step S104, described electromagnetic wave energy value is compared by analytical equipment, draws maximum electromagnetic wave energy
Value, and determine to obtain the position of the maximum electromagnetic wave energy value；
Step S105, described shield shell slit position is positioned by the position of described maximum electromagnetic wave energy value.
Further, the position of described maximum electromagnetic wave energy value is that the electromagnetic receiving device obtains maximum electromagnetism
Position during wave energy value after described focusing in electromagnetic regime.
Present invention also offers a kind of alignment system of shield shell slit position, including focusing arrangement, electromagnetic wave to receive
Device, optical recording apparatus and analytical equipment, wherein,
The electromagnetic wave that focusing arrangement is sent to shield shell slit is focused；Electricity of the electromagnetic receiving device after focusing
Diverse location in the range of magnetic wave receives to electromagnetic wave；The electricity that optical recording apparatus receives the electromagnetic receiving device
Magnetic wave is converted to electromagnetic wave energy value；Described electromagnetic wave energy value is compared by the analytical equipment, draws maximum electromagnetism
Wave energy value, and determine to obtain the position of the maximum electromagnetic wave energy value.
Further, the position of described maximum electromagnetic wave energy value is that the electromagnetic receiving device obtains maximum electromagnetism
Position during ripple after described focusing in electromagnetic regime.
Further, the optical recording apparatus is EMC receivers or spectrum analyzer.
Further, the focusing arrangement is lens antenna.
Further, the electromagnetic receiving device is reception antenna.
Further, in addition to for the warning device prompted the result of the comparison.
The present invention has following beneficial effects：The localization method of shield shell slit position provided by the invention and positioning system
System, is focused by the electromagnetic wave sent to shield shell slit, received, compared, so as to realize to shield shell slit position
The positioning put.This method and alignment system can quickly position small slit, the 5GHz- that can be sent to small slit
Electromagnetic wave in 400GHz frequency ranges is received and realizes positioning, so as to effectively prevent shield shell electromagnetic leakage.
Brief description of the drawings
Fig. 1 is the flow chart of the localization method of shield shell slit position involved in the present invention；
Fig. 2 is the alignment system use state diagram of shield shell slit position involved in the present invention.
Embodiment
To make those skilled in the art more fully understand technical scheme, first, the principle of the present invention is entered
Row is simple to be introduced.The far field construction that the electromagnetic radiation of electronic equipment shielding housing slit is formed is Fraunhofer diffraction, works as electromagnetic wave
During through slit, the bright spot of view-field center of diffraction pattern is that Airy disc is most bright, and electromagnetic wave energy is maximum, therefore by electromagnetic wave energy most
Big position can bit mask housing slit position.Below in conjunction with the accompanying drawings to shield shell slit position provided by the invention
Localization method and alignment system be described in detail.
Fig. 1 is the flow chart of the localization method of shield shell slit position provided by the present invention.Including step S101, lead to
The electromagnetic wave that over-focusing device is sent to shield shell slit is focused；
Step S102, electromagnetic wave is carried out by diverse location of the electromagnetic receiving device after focusing in electromagnetic regime
Receive；Step S103, the electromagnetic wave that the electromagnetic receiving device receives is converted to by electromagnetism wave energy by optical recording apparatus
Value；Step S104, described electromagnetic wave energy value is compared by analytical equipment, draws maximum electromagnetic wave energy value,
And determine to obtain the position of the maximum electromagnetic wave energy value；Step S105, pass through the position of described maximum electromagnetic wave energy value
The described shield shell slit position of positioning.Wherein, the position of described maximum electromagnetic wave energy value can be that the electromagnetic wave connects
Position when receiving apparatus obtains maximum electromagnetic wave energy value after described focusing in electromagnetic regime.Specifically, by described
The electromagnetic wave that focusing arrangement is sent to shield shell slit is focused；Then by electromagnetic receiving device to the focusing after
Electromagnetic wave is received, wherein, diverse location of the electromagnetic receiving device after focusing in electromagnetic regime is carried out respectively
Electromagnetic wave receives；Electromagnetic receiving device is converted to electromagnetic wave in the electromagnetic wave that diverse location receives by optical recording apparatus
Energy value, and recorded；Then the electromagnetic wave energy value of the diverse location recorded by analytical equipment to optical recording apparatus
It is compared, draws when the position i.e. electromagnetic receiving device of maximum electromagnetic wave energy value obtains maximum electromagnetic wave energy value in institute
Position after the focusing stated in electromagnetic regime, finally by the position bit mask housing slit position of electromagnetic receiving device
Put.
The present embodiment is focused by the electromagnetic wave sent to shield shell slit, received, compared, so as to realize to screen
Cover the positioning of housing slit position.The electromagnetic wave in 5GHz-400GHz frequency ranges that this method can be sent to small slit
Received and realize positioning, so as to effectively prevent shield shell electromagnetic leakage.
Fig. 2 is the alignment system use state diagram of shield shell slit position involved in the present invention.Wherein this hair
The alignment system of bright involved shield shell slit position includes focusing arrangement 12, electromagnetic receiving device 13, optical recording
Device 14 and analytical equipment 15, also include shield shell slit 11 in Fig. 2 in addition.Wherein, focusing arrangement 12 is to shielding case body opening
The electromagnetic wave that seam 11 is sent is focused, and diverse location of the electromagnetic receiving device 13 in the electromagnetic regime after focusing is to electricity
Magnetic wave is received, and the electromagnetic wave that electromagnetic receiving device 13 receives is converted to electromagnetic wave energy value by optical recording apparatus 14；
Described electromagnetic wave energy value is compared by analytical equipment 15, draws maximum electromagnetic wave energy value, and determines to obtain the maximum
The position of electromagnetic wave energy value.Wherein, EMC receivers or spectrum analyzer, focusing arrangement 12 can be selected in optical recording apparatus 14
Lens antenna can be selected, reception antenna can be selected in electromagnetic receiving device 13.
Specifically, can shape after the focusing of focusing arrangement 12 as shown in Fig. 2 electromagnetic wave is sent from shield shell slit 11
Electromagnetic regime after being focused on into one, diverse location of the electromagnetic receiving device 13 after the focusing in electromagnetic regime receive
Electromagnetic wave, the electromagnetic wave of the diverse location of reception are converted into electromagnetic wave energy value by optical recording apparatus 14 and recorded, so
The electromagnetic wave energy value of record is sent into analytical equipment 15 afterwards to be compared, draws maximum electromagnetic wave energy value, i.e. electromagnetic wave
Position when reception device 13 obtains maximum electromagnetic wave energy value after described focusing in electromagnetic regime, finally by electromagnetism
The position of the position bit mask housing slit 11 of wave receiving device 13.
Further, the system of the bit mask housing slit position also includes warning device 16, the warning device with
Described analytical equipment 15 is connected, for prompting the result of the comparison of analytical equipment 15.
The present embodiment passes through the shielding that is made up of focusing arrangement, electromagnetic receiving device, optical recording apparatus, analytical equipment
Housing slit location positioning system realizes the positioning to shield shell slit, and the system being capable of fast positioning shield shell slit position
Put.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (8)
- A kind of 1. localization method of shield shell slit position, it is characterised in that including：Step S101, the electromagnetic wave sent by focusing arrangement to shield shell slit are focused；Step S102, electromagnetic wave is connect by diverse location of the electromagnetic receiving device after focusing in electromagnetic regime Receive；Step S103, the electromagnetic wave that the electromagnetic receiving device receives is converted to by electromagnetic wave energy by optical recording apparatus It is worth and is recorded；Step S104, described electromagnetic wave energy value is compared by analytical equipment, draws maximum electromagnetic wave energy value, and It is determined that obtain the position of the maximum electromagnetic wave energy value；Step S105, described shield shell slit position is positioned by the position of described maximum electromagnetic wave energy value.
- 2. the localization method of shield shell slit position according to claim 1, it is characterised in that described maximum electromagnetism The position of wave energy value be the electromagnetic receiving device obtain maximum electromagnetic wave energy value when after described focusing electromagnetic wave In the range of position.
- A kind of 3. alignment system of shield shell slit position, it is characterised in that including focusing arrangement, electromagnetic receiving device, Optical recording apparatus and analytical equipment, wherein,The electromagnetic wave that focusing arrangement is sent to shield shell slit is focused；Electromagnetic wave of the electromagnetic receiving device after focusing In the range of diverse location electromagnetic wave is received；The electromagnetic wave that optical recording apparatus receives the electromagnetic receiving device Be converted to electromagnetic wave energy value；Described electromagnetic wave energy value is compared by the analytical equipment, draws maximum electromagnetism wave energy Value, and determine to obtain the position of the maximum electromagnetic wave energy value.
- 4. the alignment system of shield shell slit position according to claim 3, it is characterised in that described maximum electromagnetism When the position of wave energy value is electromagnetic receiving device acquisition maximum electromagnetic wave after described focusing in electromagnetic regime Position.
- 5. the alignment system of shield shell slit position according to claim 3, it is characterised in that the optical recording dress It is set to EMC receivers or spectrum analyzer.
- 6. the alignment system of shield shell slit position according to claim 3, it is characterised in that the focusing arrangement is Lens antenna.
- 7. the alignment system of shield shell slit position according to claim 3, it is characterised in that the electromagnetic wave receives Device is reception antenna.
- 8. the alignment system of shield shell slit position according to claim 3, it is characterised in that also include being used for institute State the warning device that result of the comparison is prompted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310682589.3A CN103728611B (en) | 2013-12-16 | 2013-12-16 | A kind of localization method and alignment system of shield shell slit position |
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| CN201310682589.3A CN103728611B (en) | 2013-12-16 | 2013-12-16 | A kind of localization method and alignment system of shield shell slit position |
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| CN103728611A CN103728611A (en) | 2014-04-16 |
| CN103728611B true CN103728611B (en) | 2017-11-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761782B (en) * | 2019-11-13 | 2024-02-09 | 中国石油天然气集团有限公司 | Direction while-drilling nuclear magnetic resonance logging device for geosteering |
| CN112260765B (en) * | 2020-10-19 | 2022-02-22 | 中国核动力研究设计院 | Gamma-ray communication system and communication method |
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| JPH07123029A (en) * | 1993-10-22 | 1995-05-12 | Miharu Tsushin Kk | Method for transmission of leakage detection signal in catv transmission line |
| CN1480301A (en) * | 2003-04-30 | 2004-03-10 | 哈尔滨工业大学 | Method for synchronous tracking pipeline robot through X ray detecting realtime image |
| CN102667455A (en) * | 2009-10-13 | 2012-09-12 | 超科有限公司 | X-ray inspection apparatus for pipeline girth weld inspection |
| CN102695453A (en) * | 2009-08-28 | 2012-09-26 | 超科有限公司 | Method and apparatus for external pipeline weld inspection |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07123029A (en) * | 1993-10-22 | 1995-05-12 | Miharu Tsushin Kk | Method for transmission of leakage detection signal in catv transmission line |
| CN1480301A (en) * | 2003-04-30 | 2004-03-10 | 哈尔滨工业大学 | Method for synchronous tracking pipeline robot through X ray detecting realtime image |
| CN102695453A (en) * | 2009-08-28 | 2012-09-26 | 超科有限公司 | Method and apparatus for external pipeline weld inspection |
| CN102667455A (en) * | 2009-10-13 | 2012-09-12 | 超科有限公司 | X-ray inspection apparatus for pipeline girth weld inspection |
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| Measurement of Electric-Field Intensities Using Scanning Near-Field Microwave Microscopy;Roman Kantor et al.;《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》;20031130;第51卷(第11期);第2228-2234页 * |
| 用于电磁检测的综合孔径辐射计成像研究;杨洁青 等;《电子测量技术》;20130131;第36卷(第1期);第41-47页 * |
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Address after: 100143 Yuquanlu Road Haidian District, No. 1, layer 4, layer 4104, 12, Applicant after: Beijing Chaosi Electronic Technology Co., Ltd. Address before: 100039 Beijing City, Haidian District Fuxing Road, No. 83 West floor three room 320 Applicant before: Beijing Ultra-thinking Electronic Technology Co., Ltd. |
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Address after: Room 410-412, 2 / F, 3 / F, 4 / F, building 2, No.9, Shuangyuan Road, Shijingshan District, Beijing 100041 Patentee after: Beijing Chaos Electronic Technology Co., Ltd. Address before: 100143, Haidian District, Yuquanlu Road, No. 12, 4, 4104, Beijing Patentee before: Beijing Chaos Electronic Technology Co., Ltd. |
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