CN2658974Y - Transfer socket with shield filter - Google Patents
Transfer socket with shield filter Download PDFInfo
- Publication number
- CN2658974Y CN2658974Y CNU032530161U CN03253016U CN2658974Y CN 2658974 Y CN2658974 Y CN 2658974Y CN U032530161 U CNU032530161 U CN U032530161U CN 03253016 U CN03253016 U CN 03253016U CN 2658974 Y CN2658974 Y CN 2658974Y
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- China
- Prior art keywords
- contact pin
- housing
- printed board
- mentioned
- tap
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- Expired - Lifetime
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Abstract
The utility model discloses a shielded filtering multi-tap, used for equipment housing to connect plugs of external and internal cables, comprising a housing, a fixture, a PCB component and a fire-retarding insulating layer; the above-mentioned housing comprises a cover and a bottom, which are fixed together through the fixture; the above-mentioned PCB component comprises a PCB epoxy board, a copper foil laminate, a capacitance and a pin. The above-mentioned copper foil laminate, the capacitance and the pin are positioned on the PCB epoxy board; the above-mentioned copper foil laminate is fixed onto the above-mentioned housing to form electrical connection; one end of the above-mentioned capacitance is connected with the above-mentioned pin, while the other end of the above-mentioned capacitance is connected with the copper foil laminate; the above-mentioned PCB component is enclosed in the above-mentioned housing through the above-mentioned fire-retarding insulating layer. The utility model is an independent shield, convenient for installation on equipment housing, with the plug and the cable allowing to solder respectively, to avoid the damage to the multi-tap during refabrication.
Description
Technical field
The utility model relates to a kind of socket that is used on communication or the electronic equipment, especially relates to a kind of socket that is used for anti-radio frequency interference.
Background technology
Communication apparatus or electronic equipment need the authentication by 3C at home now, need the authentication by CE in the European market, wherein need pass through emc testing.Every kind of equipment all has the cable of access device, because cable is effective reception antenna and radiating antenna, therefore, cable is a link the weakest in the equipment.Solve the electromagnetic interference of cable: the one, adopt shielded type cable, the screen of cable must realize that 360 ° of low resistances reliably overlap with casing, this is difficult to realize that particularly cable is more for a long time; Another kind is to use low pass filter at the cable two ends, with the radio-frequency component filtering on the cable.At present, to have a kind of be that resolution element is made to filter---volume is big, weak effect; Another kind is D type filter connector (9 cores, 15 cores, 25 cores, 37 cores and 50 cores)---an end straight cutting, the other end is a sealing wire, each contact pin is a C type feed-through capacitor filter, welding has requirement to temperature, temperature is too high can destroy filter, cost height in addition---every pin and does not have highdensityly more than 10 circle RMB, and the domestic production technology of filtering socket cheaply is poor.Switch device is owing to the corresponding relation of subscribers feeder and distributing frame, and the heart yearn of every cable should be 8 multiple, and the exchanger user veneer is 16 tunnel, 24 road and 32 tunnel 3 kinds of user situations at present, and cable is many.
The utility model content
Technical problem to be solved in the utility model provides a kind of mask filter multi-tap with anti-radio frequency interference function, and its filter connector price is low, volume is little, compact to design and install and use flexibly.
For achieving the above object, the utility model can be realized in the following way:
The utility model provides a kind of mask filter multi-tap, is used to connect inside and outside cable plug on the casing of the equipment that is installed in, and includes housing, fixture, PCB assembly and flame-retardant insulating material layer;
Described housing comprises upper shell and lower house, and is fixed as one by described fixture;
Described PCB assembly includes PCB epoxy plate, peripheral coating foil, electric capacity and contact pin, described peripheral coating foil, electric capacity and contact pin are arranged on the described PCB epoxy plate, described peripheral coating foil is fixed with described housing and is become to be electrically connected, described electric capacity one end connects described contact pin, the described electric capacity other end connects described peripheral coating foil, and described PCB assembly is enclosed in the described housing admittedly by described flame-retardant insulating material layer.
In the above-mentioned multi-tap, its characteristics are that described PCB epoxy plate comprises positive printed board and reverse side printed board, and it is provided with contact pin metallization via hole and capacity earth metallization via hole; The periphery of described positive printed board is provided with described peripheral coating foil, and the centre is provided with described contact pin metallization via hole and capacity earth metallization via hole; Described reverse side printed board is the formation isolation plate, and described formation isolation plate is a metal lump plate, and is connected with described capacity earth metallization via hole, and described contact pin metallization via hole and described formation isolation plate are isolated.
In the above-mentioned multi-tap, its characteristics are, described fixture includes riveting nut and screw, and it is as a whole that described upper shell and lower house are riveted together into by described riveting nut, described housing by described screw on the casing of described equipment.
In the above-mentioned multi-tap, its characteristics are, described contact pin is the middle whole contact pin that has limited step, an end that has limited step is welded on by wave-soldering in the described contact pin metallization via hole of described positive printed board, and described contact pin passes the described contact pin metallization via hole of described reverse side printed board.
In the above-mentioned multi-tap, its characteristics are that many contact pins are enclosed in described positive printed board and the reverse side printed board admittedly by described flame-retardant insulating material layer.
In the above-mentioned multi-tap, its characteristics are that described peripheral coating foil and described housing are welded to connect.
In the above-mentioned multi-tap, its characteristics are that described electric capacity is SMD electric capacity, and are welded in the described positive printed board by paster.
In the above-mentioned multi-tap, its characteristics are that described housing adopts the machine work moulding, adopts casting or adopts the sheet metal punch forming.
In the above-mentioned multi-tap, its characteristics are that the shape of described housing is circular, square or trapezoidal.
Technique effect of the present utility model is:
The utility model provides a kind of mask filter multi-tap, be the two ends mutual-inserting type, the advantage of two ends mutual-inserting type is that the mask filter multi-tap is shield independently, be convenient on the casing of the equipment that is installed in, plug with holes and cable can weld separately, damage when avoiding the reprocessing of mask filter multi-tap, cable processing is simple, wiring is neat, this uses the highdensity through connection filter of novel employing, volume is less, overcomes prior art filter connector price height, volume is big, density is low, install and use inflexible defective.The utility model is applicable to digital instrumentation, instrument and the electronic device field of the anti-radio frequency interference of various requirement, and can provide best interference to suppress on interconnection line.
Further describe specific embodiment of the utility model below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is that the parts of mask filter multi-tap of the present utility model are formed schematic diagram;
Fig. 2 is a mask filter multi-tap exploded sketch of the present utility model;
Fig. 3 a is the vertical view of mask filter multi-tap of the present utility model;
Fig. 3 b is the end view of mask filter multi-tap of the present utility model;
Fig. 3 c is the front view of mask filter multi-tap of the present utility model;
Fig. 4 a is the vertical view of PCB assembly in the mask filter multi-tap of the present utility model;
Fig. 4 b is the front view of PCB assembly in the mask filter multi-tap of the present utility model;
Fig. 4 c is the upward view of PCB assembly in the mask filter multi-tap of the present utility model;
Fig. 4 d is the end view of PCB assembly in the mask filter multi-tap of the present utility model;
Fig. 5 is the schematic diagram of contact pin in the mask filter multi-tap PCB assembly of the present utility model;
Fig. 6 is a mask filter multi-tap of the present utility model principle schematic in working order.
Embodiment
Fig. 1 is that the parts of this mask filter multi-tap are formed schematic diagram, and the parts of forming the mask filter multi-tap have: housing 1, fixture 2, PCB assembly 3 are formed.PCB assembly coating foil part and housing 1 welding guarantee reliably to be electrically connected; In housing 1, adopt flame-retardant insulating material 31 solid envelopes then.
Fig. 2 is this mask filter multi-tap exploded sketch, forms the housing 1 of mask filter multi-tap: housing 1 can adopt the machine work moulding, adopts casting, adopt sheet metal punch forming, perhaps other any method moulding.The shape of housing 1 can be made circle, square, trapezoidal or other solid geometry shapes.Usually construction profile is unified mutually with AN connector.The stamping forming housing 1 of sheet metal shown in Figure 2 comprises: upper casing 11, and lower casing 12 is punch forming and plating aftertreatment technology, the production efficiency height, cost is low, meets requirements of mass production.The fixture 2 of forming the parts of mask filter multi-tap comprises: riveting nut 21 and screw 22 are formed.Be riveted together into upper shell 11, lower house 12 as a whole by riveting nut 21.Screw 22 is fixed mask filtering multi-taps in actual use, and is easy to install.The size of riveting nut 21 and screw 22 is unified mutually with the size of standard D connector.
Fig. 3 a, 3b, 3c are the views of the different directions of this mask filter multi-tap, and PCB coating foil formation isolation plate 38 and housing 1 welding guarantee reliably to be electrically connected in the PCB assembly 3, adopt flame-retardant insulating material 31 to be enclosed in admittedly in the housing 1 then.Admittedly seal by flame-retardant insulating material, guarantee the requirement of marshalling, mechanical strength, perpendicularity and the electric property of contact pin.
Fig. 4 a, 4b, 4c, 4d are the views of the different directions of PCB assembly in this mask filter multi-tap, comprising: PCB epoxy plate 32, contact pin 33, patch capacitor 34.Electric capacity 34 is welded on by paster on the front of PCB epoxy plate 32, and contact pin 33 is welded on the PCB epoxy plate 32 by wave-soldering.Fig. 4 a dash area is a PCB periphery coating foil 35, increases contact area, improves antistatic property, and welds with housing 1, guarantees the low resistance overlap joint.The dash area of Fig. 4 c is for applying copper formation isolation plate 38 and forming with capacity earth metallization via hole 36 connection pads, and formation isolation plate 38 is the metallic plate of monoblock except that contact pin via hole 37, is ground plane.
Fig. 5 represents the schematic diagram of contact pin in this mask filter multi-tap PCB assembly, and diagram contact pin 33 has a limited step 331, locatees when being convenient to assembling and crossing wave-soldering; Reduce artificial or the spacing expense of anchor clamps.
Fig. 6 is this mask filter multi-tap principle schematic in working order.The mask filter multi-tap is by carrying screw on casing, reliable overlap joint (low resistance earthing).Outer cable 61 inner cable 62 are connected with the mask filter multi-tap with plug 63,64 with holes respectively, guarantee that casing 65 is complete, a continuous shield, high frequency noise inside and outside the casing is diverted to the housing 1 of mask filter multi-tap by electric capacity, again by the casing the earth of releasing, in actual product, use at present, after tested, functional.
Claims (9)
1, a kind of mask filter multi-tap is used to connect inside and outside cable plug on the casing of the equipment that is installed in, and it is characterized in that, includes housing, fixture, PCB assembly and flame-retardant insulating material layer;
Described housing comprises upper shell and lower house, and is fixed as one by described fixture;
Described PCB assembly includes PCB epoxy plate, peripheral coating foil, electric capacity and contact pin, described peripheral coating foil, electric capacity and contact pin are arranged on the described PCB epoxy plate, described peripheral coating foil is fixed with described housing and is become to be electrically connected, described electric capacity one end connects described contact pin, the described electric capacity other end connects described peripheral coating foil, and described PCB assembly is enclosed in the described housing admittedly by described flame-retardant insulating material layer.
2, multi-tap according to claim 1 is characterized in that, described PCB epoxy plate comprises positive printed board and reverse side printed board, and it is provided with contact pin metallization via hole and capacity earth metallization via hole; The periphery of described positive printed board is provided with described peripheral coating foil, and the centre is provided with described contact pin metallization via hole and capacity earth metallization via hole; Described reverse side printed board is the formation isolation plate, and described formation isolation plate is a metal lump plate, and is connected with described capacity earth metallization via hole, and described contact pin metallization via hole and described formation isolation plate are isolated.
3, multi-tap according to claim 1, it is characterized in that, described fixture includes riveting nut and screw, and it is as a whole that described upper shell and lower house are riveted together into by described riveting nut, described housing by described screw on the casing of described equipment.
4, according to claim 1,2 or 3 described multi-taps, it is characterized in that, described contact pin is the middle whole contact pin that has limited step, an end that has limited step is welded on by wave-soldering in the described contact pin metallization via hole of described positive printed board, and described contact pin passes the described contact pin metallization via hole of described reverse side printed board.
5, multi-tap according to claim 4 is characterized in that, many contact pins are enclosed in described positive printed board and the reverse side printed board admittedly by described flame-retardant insulating material layer.
6, multi-tap according to claim 1 is characterized in that, described peripheral coating foil and described housing are welded to connect.
7, multi-tap according to claim 1 is characterized in that, described electric capacity is SMD electric capacity, and is welded in the described positive printed board by paster.
8, multi-tap according to claim 1 is characterized in that, described housing adopts machine work moulding, casting or sheet metal punch forming.
9, multi-tap according to claim 1 is characterized in that, the shape of described housing is circular, square or trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032530161U CN2658974Y (en) | 2003-09-27 | 2003-09-27 | Transfer socket with shield filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032530161U CN2658974Y (en) | 2003-09-27 | 2003-09-27 | Transfer socket with shield filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2658974Y true CN2658974Y (en) | 2004-11-24 |
Family
ID=34328161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032530161U Expired - Lifetime CN2658974Y (en) | 2003-09-27 | 2003-09-27 | Transfer socket with shield filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2658974Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884684A (en) * | 2017-12-30 | 2018-04-06 | 西安开容电子技术有限责任公司 | A kind of electromagnetic interference trouble-shooter and application method |
| CN111092282A (en) * | 2019-12-19 | 2020-05-01 | 杭州航天电子技术有限公司 | Combined frame type filtering structure |
| CN111342309A (en) * | 2018-12-18 | 2020-06-26 | 广东皓英电子科技有限公司 | Cable connector |
| CN112366483A (en) * | 2020-10-14 | 2021-02-12 | 北京计算机技术及应用研究所 | D-type filtering connector |
-
2003
- 2003-09-27 CN CNU032530161U patent/CN2658974Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884684A (en) * | 2017-12-30 | 2018-04-06 | 西安开容电子技术有限责任公司 | A kind of electromagnetic interference trouble-shooter and application method |
| CN107884684B (en) * | 2017-12-30 | 2023-12-15 | 西安开容电子技术有限责任公司 | Electromagnetic interference fault diagnosis device and use method |
| CN111342309A (en) * | 2018-12-18 | 2020-06-26 | 广东皓英电子科技有限公司 | Cable connector |
| CN111092282A (en) * | 2019-12-19 | 2020-05-01 | 杭州航天电子技术有限公司 | Combined frame type filtering structure |
| CN112366483A (en) * | 2020-10-14 | 2021-02-12 | 北京计算机技术及应用研究所 | D-type filtering connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130927 Granted publication date: 20041124 |