CN204577795U - A kind of power filter interface of shielding device - Google Patents
A kind of power filter interface of shielding device Download PDFInfo
- Publication number
- CN204577795U CN204577795U CN201520216649.7U CN201520216649U CN204577795U CN 204577795 U CN204577795 U CN 204577795U CN 201520216649 U CN201520216649 U CN 201520216649U CN 204577795 U CN204577795 U CN 204577795U
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- housing
- interface
- aviation plug
- mounting panel
- power
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- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model belongs to electromangnetic spectrum field, is specifically related to a kind of power filter interface of shielding device, comprises A aviation plug, B aviation plug, A housing, B housing, filter circuit and interface mounting panel; Described A housing, B housing are installed on the both sides of interface mounting panel respectively; Described A aviation plug is arranged on the side of A housing away from interface mounting panel; Described A aviation plug is positioned at one end of A housing and filter circuit is electrically connected; Described B aviation plug is arranged on the side of B housing away from interface mounting panel; Described B aviation plug is positioned at one end of B housing and filter circuit is electrically connected; Described filter circuit is arranged on interface mounting panel.Described filter circuit, can be made up of circuit board or feedthrough capacitor etc.Described power filter interface can directly be fixed on shielding device, not only easy for installation and enhance the dependability of power interface, especially can improve fail safe when power supply big current.
Description
Technical field
The utility model belongs to electromangnetic spectrum field, is specifically related to a kind of power filter interface of shielding device.
Background technology
The modern development of already spending nearly 30 years fast of China, the brute force being subject to market drives, and constantly heats up to the research of radiotechnics.Shielding device is the shield of the various shapes utilizing conduction or permeability magnetic material to make, common is electromagnetic shielding box, electromagnetic capability is limited within the scope of certain space, for suppressing the metallic object of radiated interference, and conduction and radiation are processed, to realize the equipment providing glitch-free test environment to tested wireless telecommunications system.Mainly be applicable to radio communication product test, as: the Related product tests such as mobile phone, wireless network card, wireless data card, wireless router, WIFI.
Power supply is widely used in the every field such as experimental teaching, Electric Machine Control, instrument and meter, electronics production line, metering, LED driving, communication.Traditional harmonic filter can be divided into passive filter and the large class of active filter two.Wherein active filter device is exactly, and for satisfying the demand and providing the device of suitable power source, usual active filter forms primarily of resistance, electric capacity and operational amplifier.
The power-converting device increasing prevalence that Contemporary Digitalization controls, a large amount of harmonic waves can be produced in AC and DC power conversion process, accurately examination and controlling is to wherein associated harmonic parameter, quantitative physical reference foundation can not only be provided for the controlling mechanism of power-converting device, and certain guarantee can also be provided for its reliability service, the work quality of power-converting device can be changed again and improve control technology performance index.From numerous and diverse numerous harmonic waves, filter out the harmonic signal treating measured frequency, the high accuracy harmonic filter design in testing circuit is the place of most critical.
Current electromagnetic shielding equipment has been widely used in the field tests of radio communication, to under the scene of in-line power, power filter interface of the prior art generally adopts various types of ordinary couplings, interface connected mode is simple, reliability and fail safe lower, especially serious when especially larger for supply power voltage, electric current; Simultaneously when special paint is for shielding electromagnetic wave tank surface, shield effectiveness is inadequate, and add that the joint of employing is generally non-metallic material, shielding properties is extremely poor; Require that interface structure difference is comparatively large for different application in addition, R&D and production versatility seems unable to do what one wishes.
Summary of the invention
The purpose of this utility model is to provide a kind of power filter interface, for conversion and the filtering of shielding device internal/external power; Existing power interface poor universality, problem that reliability is low can be solved thus.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of power filter interface, comprises A aviation plug, B aviation plug, A housing, B housing, filter circuit and interface mounting panel;
Described A housing, B housing are installed on the both sides of interface mounting panel respectively;
Described A aviation plug is arranged on the side of A housing away from interface mounting panel; Described A aviation plug is positioned at one end of A housing and filter circuit is electrically connected;
Described B aviation plug is arranged on the side of B housing away from interface mounting panel; Described B aviation plug is positioned at one end of B housing and filter circuit is electrically connected;
Described filter circuit is arranged on interface mounting panel.
In technique scheme, interface mounting panel is provided with the through hole of screw thread, can be fitted on the outer wall of shielding device by described power filter interface direct tipping by screw, convenient and swift, is beneficial to dismounting.One of interface mounting panel of the present utility model act as and is fixed on the sidewall of shielding device by power filter interface, stable in order to install, the general mode adopting four sides fixing, and namely interface mounting panel all arranges screwed hole up and down, for wearing screw; These means not only make power filter interface easy for installation simultaneously, and detachably, good seal, stable, attractive in appearance, beautiful.
In technique scheme, described filter circuit can be made up of circuit board or feedthrough capacitor etc.; The preferred feedthrough capacitor of the utility model.
In technique scheme, described aviation plug base comprises 2 or 3 power pin or hole; Multiple power sources pin, core can be supported thus, also can meet different voltage requests, solve the defect of prior art poor universality.
In technique scheme, described aviation plug and filter circuit are welded to connect.Preferably, described welding position arranges heat-shrink tube, protection firm welding.
In preferred technical scheme, described filter circuit is arranged on interface mounting panel also through interface mounting panel.
In preferred technical scheme, between described housing and interface mounting panel, all conductive sponge is set; Between described aviation plug and housing, all conductive sponge is set.Power filter interface also comprises conductive sponge, conductive sponge can be affixed on respectively the position that described aviation plug and described A, B housing contact with each other; Also can be affixed on respectively on surface that A, B housing contacts with interface mounting panel.Thus, conductivity and the screening effectiveness in interface contact face is improved further.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model makes public for the first time a kind of power filter interface, there is aviation plug, housing, filter circuit and interface mounting panel, connected mode is reliable, good airproof performance, significantly improve the reliability of power interface, fail safe and shield effectiveness, especially when power source supplying voltage, electric current are larger, successful.
2. power filter interface disclosed in the utility model, is directly fixed on shielding device by the screwed hole of screw through interface mounting panel, easy for installation, highly versatile, and safeguards easily, is beneficial to industrialization.
Accompanying drawing explanation
Fig. 1 is the structural representation of power filter interface in embodiment one;
Fig. 2 is the schematic top plan view of power filter interface in embodiment one;
Fig. 3 is the Longitudinal cross section schematic of power filter interface in embodiment one;
Wherein: 1, A housing, 2, interface mounting panel, 21, screwed through hole, 3, B housing, 4, filter circuit, 5, A aviation plug, 6, B aviation plug.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described:
Embodiment one: see accompanying drawing 1-3, a kind of power filter interface, comprises A housing 1, B housing 3, interface mounting panel 2, filter circuit 4, A aviation plug 5 and B aviation plug 6;
Described A housing, B housing are installed on the both sides of interface mounting panel respectively; Housing and mounting panel can be threaded connection, and also can weld or bonding; The present embodiment for being threaded, simultaneously at interface mounting panel towards the one side setting area of A housing slightly larger than the concave surface of A housing mounting surface area, then connect housing and interface mounting panel; Be conducive to sealing, filtering, increase effect.
Described A aviation plug is arranged on the side of A housing away from interface mounting panel; Described A aviation plug is positioned at one end of A housing and filter circuit is electrically connected; Described B aviation plug is arranged on the side of B housing away from interface mounting panel; Described B aviation plug is positioned at one end of B housing and filter circuit is electrically connected; Described filter circuit is feedthrough capacitor, is arranged on interface mounting panel.
Be provided with the through hole 21 of screw thread in the middle of described interface mounting panel, the screw thread of through hole, through being M3, is directly assembled to shielding device by screw, on the outer wall of such as electromagnetic shielding box; Convenient and swift, be beneficial to dismounting.
Described filter circuit is feedthrough capacitor, and feedthrough capacitor can carry out filtering to electric current; The installation screw thread of feedthrough capacitor is through being M8, and feedthrough capacitor is fixed on interface mounting panel by through hole; Described feedthrough capacitor, two ends are connected to A aviation plug and B aviation plug respectively by electronic circuit, and electronic circuit and the contact-making surface of feedthrough capacitor, aviation plug are connected by welding, and reinforce at the contact-making surface external heat draw.
A aviation plug is connected with external power source, is called outer aviation plug, and B aviation plug is connected with shielding device internal electric source, is called interior aviation plug.Outer aviation plug in power filter joint is connected with feedthrough capacitor respectively by electronic circuit with interior aviation plug, external power source completes conversion and the filtering of power supply successively by external power source joint, outer aviation plug, feedthrough capacitor, interior aviation plug, internal electric source joint, internal unit is connected can uses with internal electric source joint.
Embodiment two: a kind of power filter interface, main body is consistent with embodiment one, also comprises conductive sponge, and conductive sponge is affixed on aviation plug and described A, B housing, and on the surface contacted with each other between A, B housing and interface mounting panel.
Outer aviation plug in power filter joint is connected with feedthrough capacitor respectively by electronic circuit with interior aviation plug, external power source completes conversion and the filtering of power supply successively by external power source joint, outer aviation plug, feedthrough capacitor, interior aviation plug, internal electric source joint, internal unit is connected can uses with internal electric source joint.In this process, each component contact face all arranges conductive sponge, improves conductivity and overall shield effectiveness.
Claims (10)
1. a power filter interface for shielding device, is characterized in that, described power filter interface comprises A aviation plug, B aviation plug, A housing, B housing, filter circuit and interface mounting panel;
Described A housing, B housing are installed on the both sides of interface mounting panel respectively;
Described A aviation plug is arranged on the side of A housing away from interface mounting panel; Described A aviation plug is positioned at one end of A housing and filter circuit is electrically connected;
Described B aviation plug is arranged on the side of B housing away from interface mounting panel; Described B aviation plug is positioned at one end of B housing and filter circuit is electrically connected;
Described filter circuit is arranged on interface mounting panel.
2. power filter interface according to claim 1, is characterized in that: described interface mounting panel is provided with the through hole of screw thread.
3. power filter interface according to claim 1, is characterized in that: described filter circuit is feedthrough capacitor.
4. power filter interface according to claim 1, is characterized in that: the base of described aviation plug comprises 2 or 3 power pin or hole.
5. power filter interface according to claim 1, is characterized in that: described shielding device is electromagnetic shielding box.
6. power filter interface according to claim 1, is characterized in that: described housing is all metal shell; Described interface mounting panel is metallic plate.
7. power filter interface according to claim 1, is characterized in that: described filter circuit to be arranged on interface mounting panel and through interface mounting panel.
8. power filter interface according to claim 1, is characterized in that: described aviation plug and filter circuit are welded to connect.
9. power filter interface according to claim 8, is characterized in that: the welding position of described aviation plug and filter circuit arranges heat-shrink tube.
10. power filter interface according to claim 1, is characterized in that: all arrange conductive sponge between described housing and interface mounting panel; Between described aviation plug and housing, all conductive sponge is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216649.7U CN204577795U (en) | 2015-03-20 | 2015-04-09 | A kind of power filter interface of shielding device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158427 | 2015-03-20 | ||
| CN2015201584274 | 2015-03-20 | ||
| CN201520216649.7U CN204577795U (en) | 2015-03-20 | 2015-04-09 | A kind of power filter interface of shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577795U true CN204577795U (en) | 2015-08-19 |
Family
ID=53870390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520216649.7U Expired - Fee Related CN204577795U (en) | 2015-03-20 | 2015-04-09 | A kind of power filter interface of shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204577795U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684786A (en) * | 2017-01-24 | 2017-05-17 | 顺丰科技有限公司 | Wiring seal structure and storage cabinet by employing same |
| CN110474217A (en) * | 2019-08-26 | 2019-11-19 | 深圳市盛格纳电子有限公司 | Adapter and connector fitting configuration |
| CN115397228A (en) * | 2022-08-22 | 2022-11-25 | 广州国保科技有限公司 | Shielding cabinet |
-
2015
- 2015-04-09 CN CN201520216649.7U patent/CN204577795U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684786A (en) * | 2017-01-24 | 2017-05-17 | 顺丰科技有限公司 | Wiring seal structure and storage cabinet by employing same |
| CN110474217A (en) * | 2019-08-26 | 2019-11-19 | 深圳市盛格纳电子有限公司 | Adapter and connector fitting configuration |
| CN115397228A (en) * | 2022-08-22 | 2022-11-25 | 广州国保科技有限公司 | Shielding cabinet |
| CN115397228B (en) * | 2022-08-22 | 2023-11-24 | 广州国保科技有限公司 | Shielding cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Hong Teda Electronic Science and Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Hong Teda Electronic Science and Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |