CN201323109Y - Network filter - Google Patents
Network filter Download PDFInfo
- Publication number
- CN201323109Y CN201323109Y CNU2008202032223U CN200820203222U CN201323109Y CN 201323109 Y CN201323109 Y CN 201323109Y CN U2008202032223 U CNU2008202032223 U CN U2008202032223U CN 200820203222 U CN200820203222 U CN 200820203222U CN 201323109 Y CN201323109 Y CN 201323109Y
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- signal input
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Abstract
The utility model relates to the technical field of the filer, in particular to a network filter, which comprises a shell, a left pin end which is arranged on the left end of the shell, a right pin end which is arranged on the right end of the shell, a signal input coupling iron core and a signal output coupling iron core; a left winding of the signal input coupling iron core and a left winding of the signal output coupling iron core are connected with a fourth pin through a power-supply lead wire, and a right winding of the signal input coupling iron core and a right winding of the signal output coupling iron core are connected with a thirteenth pin through a grounding lead wire; and the network filter can be applied to the network circuit board requiring that the network filters share the same power source and are grounded together.
Description
Technical field:
The utility model relates to the wave filter technology field, relates in particular to network filter.
Background technology:
At present, network filter has been widely used in the communication network, and general lattice network plate is provided with network filter.Existing network filter generally comprises housing, is located at the left pin end of housing left end, the right leads ends of being located at the housing right-hand member, signal input coupling iron core and signal output coupling iron core; Described left pin end comprises first pin, the 3rd pin, the 4th pin, the 5th pin and the 7th pin that is arranged in order from top to bottom, and described right leads ends comprises the 16 pin, the 14 pin, the 13 pin, the 12 pin and the tenth pin that is arranged in order from top to bottom; The left winding of signal input coupling iron core connects first pin and the 3rd pin by signal lead, and the right winding of signal input coupling iron core connects the 16 pin and the 14 pin by signal lead; The left winding of signal output coupling iron core connects the 5th pin and the 7th pin by signal lead, and the right winding of signal output coupling iron core connects the 12 pin and the tenth pin by signal lead.The left winding of the signal input coupling iron core of this network filter connects a pin by power supply lead wire, the left winding of signal output coupling iron core connects another pin by power supply lead wire, same, the right winding of signal input coupling iron core connects a pin by ground lead, and the right winding of signal output coupling iron core connects another pin by ground lead.Adopt the network filter of this structure, can't be applied in and require network filter to connect power supply altogether and altogether on the lattice network plate of ground connection.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, and a kind of network filter is provided, and this network filter can be applicable to and requires network filter to connect altogether on the lattice network plate of power supply and common ground connection.
For achieving the above object, the utility model is achieved through the following technical solutions: network filter comprises housing, is located at the left pin end of housing left end, the right leads ends of being located at the housing right-hand member, signal input coupling iron core and signal output coupling iron core; Described left pin end comprises first pin, the 3rd pin, the 4th pin, the 5th pin and the 7th pin that is arranged in order from top to bottom, and described right leads ends comprises the 16 pin, the 14 pin, the 13 pin, the 12 pin and the tenth pin that is arranged in order from top to bottom; The left winding of signal input coupling iron core connects first pin and the 3rd pin by signal lead, and the right winding of signal input coupling iron core connects the 16 pin and the 14 pin by signal lead; The left winding of signal output coupling iron core connects the 5th pin and the 7th pin by signal lead, the right winding of signal output coupling iron core connects the 12 pin and the tenth pin by signal lead, the left winding of described signal input coupling iron core is connected the 4th pin with the left winding of signal output coupling iron core jointly by power supply lead wire, and the right winding of described signal input coupling iron core is connected the 13 pin with the right winding of signal output coupling iron core jointly by ground lead.
Also comprise signal input filtering iron core and signal output filtering iron core, described signal input filtering iron core is connected between the 16 pin, the 14 pin of the right winding of signal input coupling iron core and right leads ends; Described signal output filtering iron core is connected between the 12 pin, the tenth pin of the right winding of signal output coupling iron core and right leads ends.
Described filtering iron core is the High frequency filter iron core.
Described left pin end also comprises second pin, the 6th pin and the 8th pin, and second pin is between first pin and the 3rd pin, and the 6th pin is between the 5th pin and the 7th pin, and the 8th pin is positioned at the 7th pin downside; Described right leads ends also comprises the 15 pin, the 11 pin and the 9th pin, and the 15 pin is between the 16 pin and the 14 pin, and the 11 pin is between the 12 pin and the tenth pin, and the 9th pin is positioned at the tenth pin downside; Described second pin, the 6th pin, the 8th pin, the 15 pin, the 11 pin and the 9th pin are the sky pin.
Described housing is the integrated housing that the injection moulding encapsulation forms.
The beneficial effects of the utility model: the left winding of signal input coupling iron core of the present utility model is connected the 4th pin with the left winding of signal output coupling iron core jointly by power supply lead wire, the right winding of signal input coupling iron core is connected the 13 pin with the right winding of signal output coupling iron core jointly by ground lead, therefore, network filter described in the utility model can be applicable to and requires network filter to connect altogether on the lattice network plate of power supply and common ground connection.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is a wiring schematic diagram of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further elaborated:
As shown in Figures 1 and 2, network filter comprises housing 17, is located at the left pin end 22 of housing 17 left ends, the right leads ends 23 of being located at housing 17 right-hand members, signal input coupling iron core 19 and signal output coupling iron core 21; Described left pin end 22 comprises first pin 1, the 3rd pin 3, the 4th pin 4, the 5th pin 5 and the 7th pin 7 that is arranged in order from top to bottom, and described right leads ends 23 comprises the 16 pin the 16, the 14 pin the 14, the 13 pin the 13, the 12 pin 12 and the tenth pin 10 that is arranged in order from top to bottom; The left winding of signal input coupling iron core 19 connects first pin 1 and the 3rd pin 3 by signal lead, and the right winding of signal input coupling iron core 19 connects the 16 pin 16 and the 14 pin 14 by signal lead; The left winding of signal output coupling iron core 21 connects the 5th pin 5 and the 7th pin 7 by signal lead, the right winding of signal output coupling iron core 21 connects the 12 pin 12 and the tenth pin 10 by signal lead, the left winding of described signal input coupling iron core 19 is connected the 4th pin 4 with the left winding of signal output coupling iron core 21 jointly by power supply lead wire, and the right winding of described signal input coupling iron core 19 is connected the 13 pin 13 with the right winding of signal output coupling iron core 21 jointly by ground lead.
Described network filter also comprises signal input filtering iron core 18 and signal output filtering iron core 20, and described signal input filtering iron core 18 is connected between the 16 pin the 16, the 14 pin 14 of the right winding of signal input coupling iron core 19 and right leads ends 23; Described signal output filtering iron core 20 is connected between the 12 pin 12, the tenth pin 10 of the right winding of signal output coupling iron core 21 and right leads ends 23.
Described signal input filtering iron core 18 and signal output filtering iron core 20 are the High frequency filter iron core.
Described left pin end 22 also comprises second pin 2, the 6th pin 6 and the 8th pin 8, the second pins 2 between first pin 1 and the 3rd pin 3, and the 6th pin 6 is between the 5th pin 5 and the 7th pin 7, and the 8th pin 8 is positioned at the 7th pin 7 downsides; Described right leads ends 23 also comprises the 15 pin the 15, the 11 pin 11 and the 9th pin 9, the 15 pin 15 is between the 16 pin 16 and the 14 pin 14, the 11 pin 11 is between the 12 pin 12 and the tenth pin 10, and the 9th pin 9 is positioned at the tenth pin 10 downsides; Described second pin 2, the 6th pin 6, the 8th pin the 8, the 15 pin the 15, the 11 pin 11 and the 9th pin 9 are the sky pin.
Described housing 17 can be enhanced productivity for the integrated housing that the injection moulding encapsulation forms, and reduces cost.
During use, the left pin end 22 of this network filter inserts the IC chip, and right leads ends 23 inserts a RJ45 interface, and the RJ45 interface is connected on the Ethernet by Media Interface Connector again.Behind ethernet signal process Media Interface Connector and the RJ45 interface, carrying out High frequency filter by signal input filtering iron core 18 handles, carry out signal coupling and isolation processing by signal input coupling iron core 19 again, be input to the IC chip then, after the IC chip signal is handled, ethernet signal is output to signal output coupling iron core 21 and carries out signal coupling and isolation processing, is undertaken after High frequency filter handles by signal output filtering iron core 20 again, and ethernet signal outputs to Ethernet through RJ45 interface and Media Interface Connector.Network filter described in the utility model can be applicable to and requires network filter to connect altogether on the lattice network plate of power supply and common ground connection.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (5)
1, network filter comprises housing (17), is located at the left pin end (22) of housing (17) left end, the right leads ends (23) of being located at housing (17) right-hand member, signal input coupling iron core (19) and signal output are coupled iron core (21); Described left pin end (22) comprises first pin (1), the 3rd pin (3), the 4th pin (4), the 5th pin (5) and the 7th pin (7) that is arranged in order from top to bottom, and described right leads ends (23) comprises the 16 pin (16), the 14 pin (14), the 13 pin (13), the 12 pin (12) and the tenth pin (10) that is arranged in order from top to bottom; The left winding of signal input coupling iron core (19) connects first pin (1) and the 3rd pin (3) by signal lead, and the right winding of signal input coupling iron core (19) connects the 16 pin (16) and the 14 pin (14) by signal lead; The left winding of signal output coupling iron core (21) connects the 5th pin (5) and the 7th pin (7) by signal lead, the right winding of signal output coupling iron core (21) connects the 12 pin (12) and the tenth pin (10) by signal lead, it is characterized in that: the left winding of described signal input coupling iron core (19) is connected the 4th pin (4) with the left winding of signal output coupling iron core (21) jointly by power supply lead wire, and the right winding of described signal input coupling iron core (19) is connected the 13 pin (13) with the right winding of signal output coupling iron core (21) jointly by ground lead.
2, network filter according to claim 1, it is characterized in that: also comprise signal input filtering iron core (18) and signal output filtering iron core (20), described signal input filtering iron core (18) is connected the signal input and is coupled between the 16 pin (16), the 14 pin (14) of the right winding of iron core (19) and right leads ends (23); Described signal output filtering iron core (20) is connected between the 12 pin (12), the tenth pin (10) of the right winding of signal output coupling iron core (21) and right leads ends (23).
3, network filter according to claim 2 is characterized in that: described signal input filtering iron core (18) and signal output filtering iron core (20) are the High frequency filter iron core.
4, network filter according to claim 2, it is characterized in that: described left pin end (22) also comprises second pin (2), the 6th pin (6) and the 8th pin (8), second pin (2) is positioned between first pin (1) and the 3rd pin (3), the 6th pin (6) is positioned between the 5th pin (5) and the 7th pin (7), and the 8th pin (8) is positioned at the 7th pin (7) downside; Described right leads ends (23) also comprises the 15 pin (15), the 11 pin (11) and the 9th pin (9), the 15 pin (15) is positioned between the 16 pin (16) and the 14 pin (14), the 11 pin (11) is positioned between the 12 pin (12) and the tenth pin (10), and the 9th pin (9) is positioned at the tenth pin (10) downside; Described second pin (2), the 6th pin (6), the 8th pin (8), the 15 pin (15), the 11 pin (11) and the 9th pin (9) are the sky pin.
5, according to each described network filter of claim 1 to 4, it is characterized in that: the integrated housing that described housing (17) forms for the injection moulding encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202032223U CN201323109Y (en) | 2008-11-11 | 2008-11-11 | Network filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202032223U CN201323109Y (en) | 2008-11-11 | 2008-11-11 | Network filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323109Y true CN201323109Y (en) | 2009-10-07 |
Family
ID=41160485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202032223U Expired - Fee Related CN201323109Y (en) | 2008-11-11 | 2008-11-11 | Network filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323109Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2278694A4 (en) * | 2008-05-14 | 2016-07-06 | Daikin Ind Ltd | Filter circuit mounting unit and power source unit |
-
2008
- 2008-11-11 CN CNU2008202032223U patent/CN201323109Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2278694A4 (en) * | 2008-05-14 | 2016-07-06 | Daikin Ind Ltd | Filter circuit mounting unit and power source unit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20101111 |