CN203289574U - Low electro-magnetic interference (EMI) remote control shooting system - Google Patents
Low electro-magnetic interference (EMI) remote control shooting system Download PDFInfo
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- CN203289574U CN203289574U CN2013203544427U CN201320354442U CN203289574U CN 203289574 U CN203289574 U CN 203289574U CN 2013203544427 U CN2013203544427 U CN 2013203544427U CN 201320354442 U CN201320354442 U CN 201320354442U CN 203289574 U CN203289574 U CN 203289574U
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Abstract
The utility model relates to a low EMI remote control shooting system comprising a shielding shell, a digital camera, a fiber transceiver, a power supply filter and a DC switch power supply. A shielding shell front panel is equipped with a stainless steel shielding net, a shielding shell back panel is equipped with a power line hole and a fiber waveguide tube and fiber interface flange, and the digital camera, the fiber transceiver, the power supply filter and the DC switch power supply are arranged in the shielding shell. The digital camera is connected with the fiber transceiver via a netting twine, and the output end of the fiber transceiver is connected with a fiber interface flange in a manner of a fiber penetrating a fiber waveguide tube; the output end of the power supply filter is connected with the input end of the DC switch power supply, and the output end of the DC switch power supply is connected with the digital camera and the fiber transceiver separately to supply power. The low EMI remote control shooting system of the utility model possesses an electromagnetic compatibility, is not influenced by the electromagnetic interference of other devices, guarantees the clear and stable shot images, and does not interfere the normal work of other devices.
Description
Technical field
The utility model relates to a kind of low EMI Long-distance Control camera system, belongs to the electromagnetic interference technical field, is specially adapted to make supervisory control system and external equipment to be independent of each other, normal operation than strong electromagnetic interference environment with to the occasion of electromagnetic radiation sensitivity.
Background technology
EMI(Electron-Magnetic Interference)-electromagnetic interference, any electronic equipment that generates an electromagnetic field all can produce noise field more or less, disturbs near its electronic equipment, and this phenomenon just is called electromagnetic interference.Electromagnetic interference is divided into Conducted Electromagnetic Interference (Conducted EMI) and Radiative EMI (Radiated EMI).
EMI succeeds in reaching an agreement the custom point to be exactly that an equipment or components and parts conduct by cable or space radiation has influence on other equipment or components and parts in its operational environment at work.On the other side, EMS is exactly the ability that an equipment or components and parts can be resisted the interference that in its operational environment other equipment or components and parts produce.
At microwave dark room, particularly EMC darkroom and some special test occasions, for the real time monitoring test process, prevent unexpected the generation, must at first solve the impact of watch-dog on test environment, guarantee that test is effectively reliable, also will avoid simultaneously the monitor interference problem under high radiation condition.
At present, existing video camera all can cause radiation to environment of living in, proper testing and the operation of meeting jamming equipment.Simultaneous camera itself can only use at radiationless interference region, and slightly there is interference in the external world, and pilot signal is just influenced, even can't supervise.
Previous utility model patent CN200959062Y, just solved the disturbed phenomenon of camera supervised signal under the 200V/m electric field environment, and how camera performance is not set forth under higher electric field environment; Mainly that this system is to whether testing equipment is influential unknown on every side.
Summary of the invention
The utility model relates to a kind of low EMI Long-distance Control camera system, and problem to be solved is to provide the digital camera system of a kind of electromagnetic compatibility, is applicable to than strong electromagnetic interference environment with to the occasion of electromagnetic radiation sensitivity.
The technical solution of the utility model:
A kind of low EMI Long-distance Control camera system, comprise shield shell, digital camera, fiber optical transceiver, power-supply filter, direct-current switch power supply; Be provided with power line hole, optical fiber waveguides in conjunction and optical fiber interface flange at the shield shell rear board; Digital camera, fiber optical transceiver, power-supply filter, direct-current switch power supply are contained in shield shell; At shield shell front panel monitoring opening part (camera is anterior), stainless steel shielding net is housed, described video camera is digital camera, digital camera is connected with fiber optical transceiver by netting twine, and the fiber optical transceiver output is crossed optical fiber waveguides in conjunction by optical fiber and is connected to the optical fiber interface flange; The output termination direct-current switch power supply input of power-supply filter, the direct-current switch power supply output connects digital camera respectively and fiber optical transceiver is powered to it.
Digital camera described in the utility model is digitlization gunlock or integrated digitlization ball machine with The Cloud Terrace control, and power-supply filter is 220 volts of alternating current supply filters.
The material of shield shell of the present utility model is the thick galvanized steel plain sheet of 3mm, and stainless steel shielding net, with 100 order stainless steel shielding nets, is welded on the shield shell front panel and monitors opening part; The front and back end ports surrounding has the beryllium-bronze reed, front and back panel and beryllium-bronze reed tight fit, and have screw that front and back panel is fixed.
Be provided with support in shield shell of the present utility model; Digital camera, fiber optical transceiver, direct-current switch power supply are rack-mount.Digital camera is installed fixing by double-screw bolt, fiber optical transceiver, direct-current switch power supply are installed fixing by screw, and support is fastened on housing bottom by the screw shimming; Power-supply filter is fixed on the shield shell rear board by screw.
All screws on the utility model shield shell conductive copper cotton of all pressurizeing while installing, also fill in the conductive copper cotton in the power line hole.
Pilot signal of the present utility model spreads out of to another fiber optical transceiver from the optical fiber interface flange, then by netting twine, imports computer into or DVR is carried out Long-distance Control or real time monitoring.The utility model also comprises computer or the DVR that is connected with fiber optical transceiver, and computer or DVR are connected with external network.
Low EMI Long-distance Control camera system of the present utility model, make supervisory control system and external equipment to be independent of each other, and all can work, and supervisory control system is remote controlled again simultaneously.Namely meet " limit value and the method for measurement of industry, science and medical radio-frequency installation electromagnetical disturbance characteristic " (GB4824-2001), meet again " civilian close-circuit television,closed-circuft televishon engineering legislation " (GB50198-94) and " radio disturbance limit value and the method for measurement of Information Technology Equipment " (GB9254-1998).
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is vertical view.
In Fig. 1～Fig. 2,1. shield shell, 2. digital camera, 3. fiber optical transceiver, 4. power-supply filter, 5. direct-current switch power supply, 6. shield shell rear board, 7. beryllium-bronze reed, 8. stainless steel shielding net, 9. screw, 10. pad, 11. double-screw bolts, 12. support, 13. the power line hole, 14. optical fiber waveguides in conjunction and interface, 15. shield shell front panels.
Embodiment
By the embodiment shown in figure, it includes shield shell 1, digital camera 2, fiber optical transceiver 3, power-supply filter 4, direct-current switch power supply 5; Anterior at shield shell front panel 15(camera) stainless steel shielding net 8 is housed, be provided with power line hole 13 and optical fiber waveguides in conjunction and optical fiber interface flange 14 on shield shell rear board 6; Digital camera 2, fiber optical transceiver 3, power-supply filter 4, direct-current switch power supply 5 are contained in shield shell 1; Digital camera 2 is connected with fiber optical transceiver 3 by netting twine, and the fiber optical transceiver output is crossed optical fiber waveguides in conjunction by optical fiber and is connected to the optical fiber interface flange; Output termination direct-current switch power supply 5 inputs of power-supply filter 4, direct-current switch power supply output connect respectively digital camera 2 and fiber optical transceiver 3 to its power supply, and both share a power supply; Digital camera 2 is digitlization gunlocks, and power-supply filter 4 is 220 volts of alternating current supply filters.
In the present embodiment, the material of shield shell 1 is the thick galvanized steel plain sheet of 3mm.
In the present embodiment, stainless steel shielding net 8 use 100 order stainless steel shielding nets, be welded on the shield shell front panel and monitor opening part; The front and back end ports surrounding has beryllium-bronze reed 7, the vertical edges of front and back panel and beryllium-bronze reed 7 tight fits, and have screw that front and back panel is fixed.
In the present embodiment, digital camera 2, fiber optical transceiver 3, direct-current switch power supply 5 are arranged on support 12, digital camera 2 is installed fixing by double-screw bolt 11, fiber optical transceiver 3, direct-current switch power supply 5 are installed fixing by screw 9, support after installing is put into housing, from outside screw shimming 10, is fastened on housing bottom; Power-supply filter 4 is fixed on shield shell rear board 6 by screw; Be provided with power line hole 13, optical fiber waveguides in conjunction and optical fiber interface flange 14 on shield shell rear board 6, facilitate power supply to introduce and signal output.
In the present embodiment, shield shell 1 adopts CO
2Protection weldering continuous welding; All screws, double-screw bolt, nut and pad are all zinc-plated, and screw on the shield shell conductive copper cotton of all pressurizeing while installing, also fill in the conductive copper cotton in power line hole 13, can guarantee better shield effectiveness like this, makes system have higher Electromagnetic Compatibility.
In the present embodiment, pilot signal spreads out of test environment to control room by optical fiber from the optical fiber interface flange, import computer or DVR through fiber optical transceiver into by netting twine, computer or DVR are connected with external network, realize local, long-range control, Real Time Monitoring or video recording, it is very convenient to use.
This system process is through simulation leak detection and screening effectiveness test, and screening effectiveness meets GJBz-20219-94C level performance at 10KHz-40GHz, and 〉=100～80dB@0.4～40GHz is linear to descend.
In the present embodiment, while carrying out the EMI measurement in the EMC darkroom, more than its radiation is measured limit value 6dB lower than EUT, thus the precision of assurance EMI measurement data; Carry out video monitoring system in the EMS test and even up to the electric field strength of 300V/m, shine at 200V/m, working properly, image is without any interference.
, if digital camera is changed to integrated digitlization ball machine with The Cloud Terrace control, can also realize that image reaches the adjustment control of zoom, more convenient use up and down.
The scope that the utility model is asked for protection is not limited to the description of above-described embodiment.
Claims (8)
1. low EMI Long-distance Control camera system, comprise shield shell (1), video camera (2), fiber optical transceiver (3), power-supply filter (4), direct-current switch power supply (5); Video camera (2), fiber optical transceiver (3), power-supply filter (4), direct-current switch power supply (5) are contained in shield shell (1), are provided with power line hole (13) and optical fiber waveguides in conjunction and optical fiber interface flange (14) on shield shell rear board (6); It is characterized in that, described video camera is digital camera, and digital camera is connected with fiber optical transceiver (3) by netting twine, and the fiber optical transceiver output is crossed optical fiber waveguides in conjunction by optical fiber and is connected to the optical fiber interface flange; At shield shell front panel (15) monitoring opening part, stainless steel shielding net (8) is housed, output termination direct-current switch power supply (5) input of power-supply filter (4), the direct-current switch power supply output connects respectively digital camera (2) and fiber optical transceiver (3) to its power supply, and both share a power supply.
2. low EMI Long-distance Control camera system according to claim 1, is characterized in that digital camera is digitlization gunlock or integrated digitlization ball machine with The Cloud Terrace control, and power-supply filter (4) is 220 volts of alternating current supply filters.
3. low EMI Long-distance Control camera system according to claim 1, the material that it is characterized in that shield shell (1) is the thick galvanized steel plain sheet of 3mm.
4. low EMI Long-distance Control camera system according to claim 2, is characterized in that stainless steel shielding net (8) is 100 order stainless steel shielding nets, is welded on the shield shell front panel and monitors opening part; The front and back end ports surrounding has beryllium-bronze reed (7), front and back panel and beryllium-bronze reed (7) tight fit, and have screw that front and back panel is fixed.
5. low EMI Long-distance Control camera system according to claim 4, is characterized in that in shield shell (1) being provided with support (12); Digital camera (2), fiber optical transceiver (3), direct-current switch power supply (5) are arranged on support (12).
6. low EMI Long-distance Control camera system according to claim 5, it is characterized in that digital camera (2) is fixing by double-screw bolt (11) installation, fiber optical transceiver (3), direct-current switch power supply (5) are installed fixing by screw (9), support is fastened on housing bottom by screw shimming (10); Power-supply filter (4) is fixed on shield shell rear board (6) by screw.
7. one of according to claim 1-5 described low EMI Long-distance Control camera systems, is characterized in that when screw (9) on shield shell is installed all pressurizeing the conductive copper cotton, and the power line hole also is provided with the conductive copper cotton in (13).
8. low EMI Long-distance Control camera system according to claim 6, characterized by further comprising the computer or the DVR that are connected with fiber optical transceiver, and computer or DVR are connected with external network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203544427U CN203289574U (en) | 2013-06-19 | 2013-06-19 | Low electro-magnetic interference (EMI) remote control shooting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203544427U CN203289574U (en) | 2013-06-19 | 2013-06-19 | Low electro-magnetic interference (EMI) remote control shooting system |
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| CN203289574U true CN203289574U (en) | 2013-11-13 |
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| CN2013203544427U Expired - Fee Related CN203289574U (en) | 2013-06-19 | 2013-06-19 | Low electro-magnetic interference (EMI) remote control shooting system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219499A (en) * | 2014-08-25 | 2014-12-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Panoramic surveillance camera shooting system of cockpit |
| CN105681634A (en) * | 2016-01-21 | 2016-06-15 | 广州市诚臻电子科技有限公司 | Camera, remote video speech system and applications of camera and remote video speech system |
| WO2017124914A1 (en) * | 2016-01-21 | 2017-07-27 | 广州市诚臻电子科技有限公司 | Electromagnetic compatibility test system and method for on-screen-display data |
| CN107613265A (en) * | 2017-10-17 | 2018-01-19 | 吉林大学 | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference |
| US10923798B2 (en) | 2016-01-04 | 2021-02-16 | Guangzhou Changen Electronic Technology Co., Ltd | Antenna support and antenna position control system |
-
2013
- 2013-06-19 CN CN2013203544427U patent/CN203289574U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219499A (en) * | 2014-08-25 | 2014-12-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Panoramic surveillance camera shooting system of cockpit |
| CN104219499B (en) * | 2014-08-25 | 2018-01-30 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of aircraft cockpit panorama monitoring camera system |
| US10923798B2 (en) | 2016-01-04 | 2021-02-16 | Guangzhou Changen Electronic Technology Co., Ltd | Antenna support and antenna position control system |
| CN105681634A (en) * | 2016-01-21 | 2016-06-15 | 广州市诚臻电子科技有限公司 | Camera, remote video speech system and applications of camera and remote video speech system |
| WO2017124914A1 (en) * | 2016-01-21 | 2017-07-27 | 广州市诚臻电子科技有限公司 | Electromagnetic compatibility test system and method for on-screen-display data |
| WO2017124913A1 (en) * | 2016-01-21 | 2017-07-27 | 广州市诚臻电子科技有限公司 | Camera, remote video speech system and applications thereof |
| CN105681634B (en) * | 2016-01-21 | 2019-02-26 | 广州市诚臻电子科技有限公司 | It is a kind of video camera, long-range depending on saying system and its application |
| US10712379B2 (en) | 2016-01-21 | 2020-07-14 | Guangzhou Changen Electronic Technology Co., Ltd | Electromagnetic compatibility test system and method for on-screen-display data |
| US10893174B2 (en) | 2016-01-21 | 2021-01-12 | Guangzhou Changen Electronic Technology Co., Ltd | Camera, remote video speech system and applications thereof |
| CN107613265A (en) * | 2017-10-17 | 2018-01-19 | 吉林大学 | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20160619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |