CN104752859A - Connector and cavity filter - Google Patents
Connector and cavity filter Download PDFInfo
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- CN104752859A CN104752859A CN201310751927.4A CN201310751927A CN104752859A CN 104752859 A CN104752859 A CN 104752859A CN 201310751927 A CN201310751927 A CN 201310751927A CN 104752859 A CN104752859 A CN 104752859A
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- inner wire
- insulator
- hole
- connector
- cavity
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Abstract
A provided connector comprises an external conductor, an internal conductor and an insulator. The center of the external conductor is provided with a through hole. The internal conductor is installed inside the through hole. The insulator is installed between the inner wall of the through hole and the internal conductor. The internal conductor comprises a first internal conductor and a second internal conductor that are connected coaxially. One end of the first internal conductor far away from the second internal conductor is provided with a first plug socket for being connected with an external communication device. The second internal conductor is in a shape like candied fruits on a stick and is formed by alternately connecting a plurality of low-impedance sections having a bigger diameter with a plurality of high-impedance sections having a smaller diameter. The provided filter has a low-pass filtration function. A provided cavity filter comprises a cavity, a cover plate sealing the cavity, and the connector installed on the lateral wall of the cavity. In premise of having the same function, the provided cavity filter has a smaller size.
Description
Technical field
The present invention relates to domain of communication equipment, particularly relate to a kind of cavity body filter and the connector for cavity body filter.
Background technology
Connector is the important component part of connection chamber fluid filter and PERCOM peripheral communication device.As shown in Figure 1, existing connector 110 comprises the coaxial outer conductor 111, inner wire 112 and the dielectric 113 that is arranged between outer conductor 111 and inner wire 112 that arrange.One end of inner wire 112 is provided with spliced eye, is connected with PERCOM peripheral communication device, and the other end is connected with the internal components of cavity body filter.Cavity filtering generally comprises the cover plate 140 of cavity 130 described in cavity 130 and capping, and connector 110 is screwed on the sidewall of cavity 130.Existing cavity body filter all requires low-pass filtering function, usually low pass filter is set in cavity body filter inside, so just must occupy a part of space of cavity 130 inside of cavity body filter, cause cavity body filter volume to increase, user's request cavity body filter volume being had to strict demand can not be met.
Summary of the invention
The object of the present invention is to provide a kind of connector with low-pass filtering function, and adopt the cavity body filter of this connector.
Connector provided by the invention comprises outer conductor, inner wire and insulator, the central authorities of described outer conductor are provided with through hole, described inner wire is located in described through hole, between the inwall that described through hole is located at by described insulator and inner wire, described inner wire comprises the first inner wire and second inner wire of coaxial connection, described first inner wire is provided with away from one end of the second inner wire the first spliced eye be connected with PERCOM peripheral communication device, described second inner wire is sugarcoated haws shapes, and the Low ESR section larger by several diameters and the less high impedance section of diameter are alternately formed by connecting.
Described insulator is divided into independently two sections, is made up of the first insulator be covered on the first inner wire and the second insulator be covered on the second inner wire.
Two sections that the through hole of described outer conductor diametrically reduces gradually towards the second inner wire direction stepped, and described first insulator is connected on the cascaded surface of described outer conductor through hole.
The through-hole wall of described outer conductor is provided with the first hangnail penetrated in described first insulator, and described first hangnail is frusto-conical, and its internal diameter reduces gradually towards the second inner wire direction.
The outer wall of described first inner wire is provided with the second hangnail penetrated in described first insulator, and described second hangnail is frusto-conical, and its external diameter increases gradually towards the direction of the second inner wire.
Described second inner wire is positioned at the through hole of described outer conductor completely.
Described second inner conductor portion stretches out the through hole of described outer conductor.
Described first conductor and described second inner wire one-body molded.
One end that described first inner wire is relative with described second inner wire is provided with the second spliced eye, described second inner wire inserts in described second spliced eye, or one end that described second inner wire is relative with described first inner wire is provided with the second spliced eye, described first inner wire inserts in described second spliced eye.
Cavity body filter provided by the invention, comprises cavity, cover plate, cavity described in described cover plate capping, and is located at the connector on the sidewall of described cavity, and described connector is any one above-mentioned connector.
Adopt connector of the present invention, the second inner wire be alternately formed by connecting owing to being provided with in sugarcoated haws shape, by the larger Low ESR section of several diameters and the less high impedance section of diameter, and the insulator be located between the second inner wire and outer conductor, therefore this connector is provided with low-pass filtering function.Adopt the cavity body filter of this connector, because connector has had low-pass filtering function, therefore do not need to arrange low pass filter again in cavity, decrease the space shared by low pass filter, and then decrease the volume of cavity body filter.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The connector of Fig. 1 prior art and adopt the cavity body filter profile of this connector
The connector of the first execution mode of Fig. 2 embodiment of the present invention one and adopt the cavity body filter profile of this connector
The enlarged drawing of circled shown in Fig. 3 Fig. 2
The connector of the first execution mode of Fig. 4 embodiment of the present invention one and adopt the cavity body filter profile of this connector
The enlarged drawing of circled shown in Fig. 5 Fig. 4
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
As shown in Fig. 2 to 5, the connector that the present embodiment provides comprises outer conductor 100, inner wire and insulator 300, the central authorities of described outer conductor 100 are provided with through hole 110, described inner wire 200 is located in described through hole 110, between the inwall that described through hole 110 is located at by described insulator 300 and inner wire, described inner wire comprises coaxial the first inner wire 210 and the second inner wire 220 connected, described first inner wire 210 is provided with away from one end of described second inner wire 220 the first spliced eye 211 be connected with PERCOM peripheral communication device, described second inner wire 220 is in sugarcoated haws shape, the Low ESR section 221 larger by several diameters and the less high impedance section 222 of diameter are alternately formed by connecting.
Described insulator 300 is divided into two sections, is made up of the first insulator 310 be covered on the first inner wire 210 and the second insulator 320 be covered on the second inner wire 220.The diameter of usual first inner wire 210 is between the diameter and the diameter of high impedance section 222 of the Low ESR section 221 of the second inner wire 220, when the first insulator 310 and the second insulator 320 are positioned at same through hole, the insulation thickness be covered on the first inner wire 210 can be greater than the insulation thickness be covered on the second inner wire 220, therefore for the ease of processing, insulator 300 is divided into vertically independently the first insulator 310 and the second insulator 320.
Are all interference fit between first insulator 310, second insulator 320 and outer conductor through hole 110, rotate relative to outer conductor through hole 110 to prevent the first insulator 310, second insulator 320.Loading frictional resistance suffered in outer conductor through hole 110 for reducing by the second insulator 320, projection can be set on the second insulator 320.
Often insert or extract the first spliced eye 211 of described first inner wire 210 due to PERCOM peripheral communication device, the first insulator 310 may be driven to move axially.Therefore described outer conductor through hole 110 is arranged to towards two sections of the second inner wire 220 orient diameter minimizing stepped, described first insulator 310 is connected on the cascaded surface 112 of described first through hole 110, can prevent the first insulator 310 from moving towards the second inner wire 220 direction like this.Another benefit can also be brought like this, when outside communication device inserts the first inner wire 210, the thrust that first inner wire 210 is subject to first will absorb a part by the first insulator 310 be supported on outer conductor through hole cascaded surface 112, and then pass to the parts be connected with connector in cavity body filter, avoid the damage to these parts.
Move towards deviating from described second inner wire 220 direction to prevent described first insulator 310, the first hangnail 111 penetrated in described first insulator 310 is provided with at described first through hole 110 inwall, described first hangnail 111 is in frusto-conical, and its internal diameter reduces gradually towards the second inner wire 220 direction.
Move towards deviating from the second inner wire 220 direction to prevent the first inner wire 210, the second hangnail 212 penetrated in described first insulator 310 is provided with at the outer wall of described first inner wire 210, described second hangnail 212 is in frusto-conical, and its external diameter increases gradually towards the direction of the second inner wire 220.
As shown in Figures 2 and 3, described second inner wire 220 is positioned at described first through hole 110 completely, can certainly as shown in Figures 4 and 5, and described second inner wire 220 part stretches out described first through hole 110.Concrete employing is any can according to the restriction of connector axial length and the limit decision of filter cavity volume.
The connected mode of described first inner wire and the second inner wire has two kinds, and as shown in Figures 2 and 3, one is by one-body molded with described second inner wire 220 for described first conductor 210, is convenient to like this use mould mass production.As shown in Figures 4 and 5, another kind on one end of described first inner wire 210, is provided with the second spliced eye 223 at described second conductor 220, and described first inner wire 210 inserts in described second spliced eye 223.Can certainly be provided with the second spliced eye at described first conductor 210 on one end of described second inner wire 220, described second inner wire 220 inserts in described spliced eye.In the second connected mode, for ensureing the reliability that the first conductor 210 is connected with the second inner wire 220, after the first conductor 210 and the mutual grafting of the second inner wire 220, a lap welding seam can be welded again in the junction of the first conductor 210 and the second inner wire 220.
Adopt connector of the present invention, owing to being provided with the second inner wire be coaxially connected with the first inner wire in the through hole of outer conductor, and insulator is provided with between the second inner wire and outer conductor, second inner wire is sugarcoated haws shape, is alternately formed by connecting by the larger Low ESR section of several diameters and the less high impedance section of diameter, and therefore this connector is provided with low-pass filtering function.
Embodiment two
With reference to shown in Fig. 2 to Fig. 5, the cavity body filter that the present embodiment provides, comprises cavity 400, cover plate 500 and connector, cavity 400 described in the capping of described cover plate 500, and described connector is installed on the sidewall of cavity 400, described connector 310 comprises outer conductor 100, inner wire and insulator 300, the central authorities of described outer conductor 100 are provided with through hole 110, described inner wire is located in described through hole, between the inwall that described through hole 110 is located at by described insulator 300 and inner wire, described inner wire comprises interconnective first inner wire 210 and the second inner wire 220, one end that described first inner wire 210 is relative with its link is provided with the first spliced eye 211 be connected with PERCOM peripheral communication device, described second inner wire 220 is in sugarcoated haws shape, the Low ESR section 221 larger by several diameters and the less high impedance section 222 of diameter are alternately formed by connecting.
The cavity body filter of the present embodiment, due to the connector adopting embodiment one to have low-pass filtering function, does not therefore need to arrange low pass filter again in cavity, decreases the space shared by low pass filter, and then decrease the volume of cavity body filter.
Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a connector, comprise outer conductor, inner wire and insulator, the central authorities of described outer conductor are provided with through hole, described inner wire is located in described through hole, between the inwall that described through hole is located at by described insulator and inner wire, it is characterized in that, described inner wire comprises the first inner wire and second inner wire of coaxial connection, described first inner wire is provided with away from one end of the second inner wire the first spliced eye be connected with PERCOM peripheral communication device, described second inner wire is sugarcoated haws shapes, the Low ESR section larger by several diameters and the less high impedance section of diameter are alternately formed by connecting.
2. connector according to claim 1, is characterized in that, described insulator is divided into independently two sections, is made up of the first insulator be covered on the first inner wire and the second insulator be covered on the second inner wire.
3. connector according to claim 2, is characterized in that, two sections that the through hole of described outer conductor diametrically reduces gradually towards the second inner wire direction stepped, and described first insulator is connected on the cascaded surface of described outer conductor through hole.
4. connector according to claim 3, is characterized in that, the through-hole wall of described outer conductor is provided with the first hangnail penetrated in described first insulator, and described first hangnail is frusto-conical, and its internal diameter reduces gradually towards the second inner wire direction.
5. connector according to claim 4, is characterized in that, the outer wall of described first inner wire is provided with the second hangnail penetrated in described first insulator, and described second hangnail is frusto-conical, and its external diameter increases gradually towards the direction of the second inner wire.
6. the connector according to claim 1 to 5 any one, is characterized in that, described second inner wire is positioned at the through hole of described outer conductor completely.
7. the connector according to claim 1 to 5 any one, is characterized in that, described second inner conductor portion stretches out the through hole of described outer conductor.
8. connector according to claim 1, is characterized in that, described first inner wire and described second inner wire one-body molded.
9. connector according to claim 1, it is characterized in that, one end that described first inner wire is relative with described second inner wire is provided with the second spliced eye, described second inner wire inserts in described second spliced eye, or one end that described second inner wire is relative with described first inner wire is provided with the second spliced eye, described first inner wire inserts in described second spliced eye.
10. a cavity body filter, comprises cavity, cover plate, cavity described in described cover plate capping, it is characterized in that, the sidewall of described cavity is provided with connector, and described connector is the connector as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751927.4A CN104752859B (en) | 2013-12-31 | 2013-12-31 | Connector and cavity body filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751927.4A CN104752859B (en) | 2013-12-31 | 2013-12-31 | Connector and cavity body filter |
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| Publication Number | Publication Date |
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| CN104752859A true CN104752859A (en) | 2015-07-01 |
| CN104752859B CN104752859B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310751927.4A Active CN104752859B (en) | 2013-12-31 | 2013-12-31 | Connector and cavity body filter |
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| CN (1) | CN104752859B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054525A (en) * | 2017-11-21 | 2018-05-18 | 北京无线电计量测试研究所 | A kind of coaxial connector jack |
| CN108206321A (en) * | 2018-01-15 | 2018-06-26 | 南京福客通信设备有限公司 | A kind of coaxial power splitter of ultra wide band |
| CN110350277A (en) * | 2019-07-18 | 2019-10-18 | 中电科仪器仪表有限公司 | A kind of microminiature SMP radio frequency coaxial matching load |
| CN110770969A (en) * | 2018-06-06 | 2020-02-07 | 深圳市大富科技股份有限公司 | Signal filtering device and signal transceiving equipment |
| CN115864078A (en) * | 2023-03-03 | 2023-03-28 | 深圳国人无线通信有限公司 | Connector, microwave input and output structure, cavity filter and microwave equipment |
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| US20080311788A1 (en) * | 2007-06-18 | 2008-12-18 | Commscope, Inc. Of North Carolina | Coaxial connector with insulator member including elongate hollow cavities and associated methods |
| CN102176565A (en) * | 2010-12-31 | 2011-09-07 | 航天时代电子技术股份有限公司 | Air-tight-seal MMW (millimeter wave) coaxial connector and assembly method thereof |
| CN202153585U (en) * | 2011-06-27 | 2012-02-29 | 镇江蓝箭电子有限公司 | Low-pass intermodulation jack connector |
| CN202159865U (en) * | 2011-06-27 | 2012-03-07 | 镇江蓝箭电子有限公司 | Coaxial adapter |
| CN102386503A (en) * | 2011-08-25 | 2012-03-21 | 合肥佰特微波技术有限公司 | Coaxial cable connector with integrated outer conductor |
| CN203039061U (en) * | 2013-01-04 | 2013-07-03 | 深圳市大富科技股份有限公司 | Low-pass structure body and cavity filter |
| CN203707397U (en) * | 2013-12-31 | 2014-07-09 | 安徽省大富机电技术有限公司 | Connector and cavity filtering device |
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| US20080311788A1 (en) * | 2007-06-18 | 2008-12-18 | Commscope, Inc. Of North Carolina | Coaxial connector with insulator member including elongate hollow cavities and associated methods |
| CN102176565A (en) * | 2010-12-31 | 2011-09-07 | 航天时代电子技术股份有限公司 | Air-tight-seal MMW (millimeter wave) coaxial connector and assembly method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054525A (en) * | 2017-11-21 | 2018-05-18 | 北京无线电计量测试研究所 | A kind of coaxial connector jack |
| CN108054525B (en) * | 2017-11-21 | 2021-10-22 | 北京无线电计量测试研究所 | Coaxial connector socket |
| CN108206321A (en) * | 2018-01-15 | 2018-06-26 | 南京福客通信设备有限公司 | A kind of coaxial power splitter of ultra wide band |
| CN110770969A (en) * | 2018-06-06 | 2020-02-07 | 深圳市大富科技股份有限公司 | Signal filtering device and signal transceiving equipment |
| CN110770969B (en) * | 2018-06-06 | 2021-12-03 | 大富科技(安徽)股份有限公司 | Signal filtering device and signal transceiving equipment |
| CN110350277A (en) * | 2019-07-18 | 2019-10-18 | 中电科仪器仪表有限公司 | A kind of microminiature SMP radio frequency coaxial matching load |
| CN110350277B (en) * | 2019-07-18 | 2021-06-15 | 中电科思仪科技股份有限公司 | Subminiature SMP (symmetrical multi-processing) radio frequency coaxial matching load |
| CN115864078A (en) * | 2023-03-03 | 2023-03-28 | 深圳国人无线通信有限公司 | Connector, microwave input and output structure, cavity filter and microwave equipment |
| CN115864078B (en) * | 2023-03-03 | 2023-08-29 | 深圳国人无线通信有限公司 | Connector, microwave input-output structure, cavity filter and microwave equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104752859B (en) | 2018-12-04 |
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