CN202050042U - Filter - Google Patents
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- Publication number
- CN202050042U CN202050042U CN2011200290059U CN201120029005U CN202050042U CN 202050042 U CN202050042 U CN 202050042U CN 2011200290059 U CN2011200290059 U CN 2011200290059U CN 201120029005 U CN201120029005 U CN 201120029005U CN 202050042 U CN202050042 U CN 202050042U
- Authority
- CN
- China
- Prior art keywords
- connector
- filter
- cavity
- shield member
- external equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
Abstract
The utility model discloses a filter which comprises a filter main body; an integrated cavity connector, the integrated cavity connector is connected with the filter main body and used for being connected with external equipment and transmitting signals. The filter can reduce the plugging damage on the connector and a cable thereof, and can ensure the low plugging damage requirement on a radio frequency front-end device.
Description
Technical field
The utility model relates to the communications field, in particular to a kind of filter.
Background technology
Filter is widely used in the communications field as a kind of frequency selection device, is used to select signal of communication in system, clutter or interference signal that the filtering communication signal frequency is outer.In the design of present radio-frequency front-end microwave filter, coaxial cavity filter because its Q value height, electromagnetic shielding is good, Insertion Loss is low, power capacity is big, requirement on machining accuracy is low, easy to make and be easy to advantage such as debugging and be used widely.
Along with base station transmitting power is increasing, the Insertion Loss of filter is required more and more stricter because the magnitude relationship of filter Insertion Loss is to main performances such as the efficient of base station, heat radiations.
In the correlation technique, cavity body filter adopts connector to realize and being connected of other devices usually, this mode since between Insertion Loss that connector brings and the connector Insertion Loss that brings of cable bigger, be difficult to satisfy the demand of the low Insertion Loss of radio-frequency front-end device.
The utility model content
Propose the utility model at the bigger problem of the Insertion Loss of connector in the correlation technique median filter and cable thereof, for this reason, main purpose of the present utility model is to provide a kind of filter, to address the above problem.
To achieve these goals, according to an aspect of the present utility model, provide a kind of filter.
Comprise according to filter of the present utility model: filter main body; Cavity one connector is connected with filter main body, is used for being connected and transmission signals with external equipment.
Further, cavity one connector comprises: connector body; The connector inner wire in connector body inside, is used for being connected and transmission signals with external equipment; Shield member is connected with connector body, is used for the interference of shielded signal.
Further, shield member is a shading ring; Cavity one connector also comprises: groove, be built-in with compressible flexible conducting material, and be used for cavity one connector ground connection.
Further, shield member is a shielding trench, and shielding trench is built-in with flexible conducting material.
Further, the connector inner wire is a thread pore structure, is connected with external equipment by thread connecting mode.
Further, the screw of thread connecting mode use or bolt are through silver-plated processing.
Further, the Supporting Media between connector inner wire and the shield member is air dielectric and/or PTFE medium.
Further, the connector inner wire is in shield member inside, and the connector inner wire is concentric with shield member two circles.
Further, cavity one connector also comprises one or more screwed holes, is used for being connected with external equipment by thread connecting mode.
Further, filter main body and cavity one connector are one-body molded.
Further, external equipment is a printed substrate.
The utility model directly is connected with printed substrate by cavity one connector, has reduced the Insertion Loss of connector and cable thereof, can guarantee the demand of the low Insertion Loss of radio-frequency front-end device.In addition, this connector construction is simple, also possesses advantages such as simple installation, fitting operation space be little.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the filter of the utility model embodiment;
Fig. 2 is the schematic diagram according to the filter of the utility model preferred embodiment;
Fig. 3 is according to the filter of the utility model preferred embodiment and the direct-connected schematic diagram of printed substrate.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The utility model embodiment provides a kind of filter.Fig. 1 is according to the schematic diagram of the filter of the utility model embodiment, comprising: filter main body 12, cavity one connector 14.Below its structure is described in detail.
Cavity one connector 14 is connected with filter main body 12, is used for being connected and transmission signals with external equipment 16.
In the correlation technique, the connector in the filter and the Insertion Loss of cable thereof are bigger, are difficult to satisfy the demand of the low Insertion Loss of radio-frequency front-end device.Among the utility model embodiment, directly be connected, reduced the Insertion Loss of connector and cable thereof, can guarantee the demand of the low Insertion Loss of radio-frequency front-end device with external equipment by cavity one connector.
Fig. 2 is the schematic diagram according to the filter of the utility model preferred embodiment.
Preferably, cavity one connector 14 comprises connector body 142, connector inner wire 144, shield member 146.Below its structure is described in detail.
Connector inner wire 144 in connector body 142 inside, is used for being connected and transmission signals with external equipment 16; Shield member 146 is connected with connector body 142, is used for the interference of shielded signal.
Preferably, shield member 146 is a shading ring; Cavity one connector 14 also comprises: groove 148, be built-in with compressible flexible conducting material, and be used for cavity one connector 14 ground connection.
Need to prove that this preferred embodiment can guarantee the shielding properties and the reliable ground of connector.
Preferably, shield member 146 is a shielding trench, and shielding trench is built-in with flexible conducting material.
Need to prove that this preferred embodiment can guarantee the shielding properties and the reliable ground of connector.
Preferably, connector inner wire 144 is a thread pore structure, is connected with external equipment 16 by thread connecting mode.
Preferably, the screw of thread connecting mode use or bolt are through silver-plated processing.
Preferably, the Supporting Media between connector inner wire 144 and the shield member 146 is air dielectric and/or PTFE medium.
Preferably, connector inner wire 144 is in shield member 146 inside, and 146 liang of circles of connector inner wire 144 and shield member are concentric.
Preferably, cavity one connector 14 also comprises one or more screwed holes 149, is used for being connected with external equipment 16 by thread connecting mode.
Need to prove that this preferred embodiment can guarantee that connector body 12 and printed substrate are stranded closely.
Preferably, filter main body 12 is one-body molded with cavity one connector 14.
Preferably, external equipment 16 is a printed substrate.
Preferably, filter main body 12 is one-body molded by forms such as die casting, machinings with cavity one connector 14, other module such as printed substrate can be directly and filter be interlockingly connected, reduce printed substrate and be connected the loss and the fitting operation space of bringing by wire and cable connector with filter.
Be described in detail below in conjunction with the implementation procedure of example the utility model embodiment.
Fig. 3 is according to the filter of the utility model preferred embodiment and the direct-connected schematic diagram of printed substrate, as shown in Figure 3, comprises filter main body 31, cavity one connector 32, and printed substrate 33, metal throuth hole 34 on the printed substrate, silver-plated screw 35.Below its structure is described in detail.
Cavity one connector 32 is produced on the filter main body 31, and is one-body molded with filter main body 31, can generate by the form processing of machining after the first die casting.
Silver-plated screw 35 has two effects, and the one, printed substrate 33 and one connector 32 are fastenedly connected.The 2nd, the radiofrequency signal on the printed substrate 33 enters in the filter thereby be transmitted to by metal throuth hole 34 on silver-plated screw 35 and the printed substrate on the inner wire of cavity one connector 32.
In sum, according to the foregoing description of the present utility model, provide a kind of filter.The utility model directly is connected with printed substrate by cavity one connector, has reduced the Insertion Loss of connector and cable thereof, can guarantee the demand of the low Insertion Loss of radio-frequency front-end device.In addition, this connector construction is simple, also possesses advantages such as simple installation, fitting operation space be little.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (11)
1. a filter is characterized in that, comprising:
Filter main body;
Cavity one connector is connected with described filter main body, is used for being connected and transmission signals with external equipment.
2. filter according to claim 1 is characterized in that, described cavity one connector comprises:
Connector body;
The connector inner wire in described connector body inside, is used for being connected with described external equipment and transmitting described signal;
Shield member is connected with described connector body, is used for the interference of shielded signal.
3. filter according to claim 2 is characterized in that, described shield member is a shading ring; Described cavity one connector also comprises:
Groove is built-in with compressible flexible conducting material, is used for described cavity one connector ground connection.
4. filter according to claim 2 is characterized in that, described shield member is a shielding trench, and described shielding trench is built-in with flexible conducting material.
5. filter according to claim 2 is characterized in that, described connector inner wire is a thread pore structure, is connected with described external equipment by thread connecting mode.
6. filter according to claim 5 is characterized in that, screw that described thread connecting mode uses or bolt are through silver-plated processing.
7. filter according to claim 2 is characterized in that, the Supporting Media between described connector inner wire and the described shield member is air dielectric and/or PTFE medium.
8. according to each described filter in the claim 2 to 7, it is characterized in that described connector inner wire is in described shield member inside, described connector inner wire is concentric with described shield member two circles.
9. according to each described filter in the claim 2 to 7, it is characterized in that described cavity one connector also comprises one or more screwed holes, be used for being connected with described external equipment by thread connecting mode.
10. according to each described filter in the claim 1 to 7, it is characterized in that described filter main body and described cavity one connector are one-body molded.
11., it is characterized in that described external equipment is a printed substrate according to each described filter in the claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200290059U CN202050042U (en) | 2011-01-27 | 2011-01-27 | Filter |
| PCT/CN2011/083779 WO2012100602A1 (en) | 2011-01-27 | 2011-12-09 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200290059U CN202050042U (en) | 2011-01-27 | 2011-01-27 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050042U true CN202050042U (en) | 2011-11-23 |
Family
ID=44990339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200290059U Expired - Fee Related CN202050042U (en) | 2011-01-27 | 2011-01-27 | Filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202050042U (en) |
| WO (1) | WO2012100602A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012100601A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Connector |
| WO2012100602A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Filter |
| CN103066350A (en) * | 2012-12-31 | 2013-04-24 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency device |
| CN109256609A (en) * | 2017-07-13 | 2019-01-22 | 昇达科技股份有限公司 | Has the contactless frequency automatic adjusting and testing filter of anti-leak chamber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7753726B2 (en) * | 2008-04-16 | 2010-07-13 | Tyco Electronics Corporation | Composite electrical connector assembly |
| CN101728614B (en) * | 2010-01-07 | 2013-09-18 | 东莞市高鑫机电科技服务有限公司 | Method for controlling signal attenuation and cross coupling structure |
| CN201655934U (en) * | 2010-03-30 | 2010-11-24 | 深圳市大富科技股份有限公司 | Cavity filter and filter cavity |
| CN101916895A (en) * | 2010-08-20 | 2010-12-15 | 深圳市大富科技股份有限公司 | Cavity filter and manufacturing method thereof |
| CN202050042U (en) * | 2011-01-27 | 2011-11-23 | 中兴通讯股份有限公司 | Filter |
-
2011
- 2011-01-27 CN CN2011200290059U patent/CN202050042U/en not_active Expired - Fee Related
- 2011-12-09 WO PCT/CN2011/083779 patent/WO2012100602A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012100601A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Connector |
| WO2012100602A1 (en) * | 2011-01-27 | 2012-08-02 | 中兴通讯股份有限公司 | Filter |
| CN103066350A (en) * | 2012-12-31 | 2013-04-24 | 深圳市大富科技股份有限公司 | Cavity filter and radio frequency device |
| CN103066350B (en) * | 2012-12-31 | 2018-06-05 | 深圳市大富科技股份有限公司 | A kind of cavity body filter and radio-frequency devices |
| CN109256609A (en) * | 2017-07-13 | 2019-01-22 | 昇达科技股份有限公司 | Has the contactless frequency automatic adjusting and testing filter of anti-leak chamber |
| CN109256609B (en) * | 2017-07-13 | 2020-04-03 | 昇达科技股份有限公司 | Non-contact type frequency automatic adjusting and detecting filter with leakage-proof cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012100602A1 (en) | 2012-08-02 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20190127 |