CN103326207A - Radio frequency coaxial connector and through-wall shielding connecting method thereof - Google Patents
Radio frequency coaxial connector and through-wall shielding connecting method thereof Download PDFInfo
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- CN103326207A CN103326207A CN2013102237271A CN201310223727A CN103326207A CN 103326207 A CN103326207 A CN 103326207A CN 2013102237271 A CN2013102237271 A CN 2013102237271A CN 201310223727 A CN201310223727 A CN 201310223727A CN 103326207 A CN103326207 A CN 103326207A
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- radio frequency
- coaxial connector
- mounting flange
- shielding box
- shielding
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Abstract
The invention relates to a radio frequency coaxial connector and a through-wall shielding connecting method thereof. The radio frequency coaxial connector comprises a radio frequency circuit assembly which is sequentially connected with a first radio frequency coaxial connector female head, a radio frequency cable and a radio frequency coaxial connector male head. The first radio frequency coaxial connector female head is connected to a shielding box through an installing flange, and the radio frequency coaxial connector male head penetrates through a special-shaped hole formed in the shielding box to be correspondingly connected with a second radio frequency coaxial connector female head arranged on a printed board. Meanwhile, the special-shaped hole is shielded by the installing flange. The radio frequency coaxial connector has the advantages of being good in shielding property and easy to operate.
Description
Technical field
The present invention relates to a kind of radio frequency (RF) coaxial connector and the shielding method of attachment through walls thereof in electrical communications field, be provided with the radio frequency cable assembly that has mounting flange, can be applied to the electrical module of sealing, shielding requirements, need to use the occasion of radio frequency (RF) coaxial connector transmitting radio frequency signal through walls.
Background technology
At present, have the radio frequency (RF) coaxial connector that arranges in the electrical module of shielding box, mainly contain two kinds of shielding connected modes through walls.
Cooperation is referring in Fig. 1, the first kind of mode shown in Figure 2, radio frequency (RF) coaxial connector female 1 is passed shielding box 12, and, be fixed on the shielding box 12 from threaded by radio frequency (RF) coaxial connector female 11, or be fixed on the shielding box 12 from flanged use screw by radio frequency (RF) coaxial connector female 11; After printed board 13 is fixed on box body inside, the pad of taking in pin and the printed board 13 of radio frequency (RF) coaxial connector female 11 is overlapped, and fixing by artificial welding, and mark 14 is depicted as solder joint among Fig. 1.The advantage of this connected mode is advantages of good shielding performance, can avoid the interference of other radiofrequency signals, but also have the following disadvantages:
(1) operability is poor.Connection procedure at first installs and fixes radio frequency (RF) coaxial connector, and then artificial soldering, and not easy to operate, efficient is not high, and it is bigger influenced by artifact.
(2) poor reliability.When the gentle vibration of height, will inevitably take pin and solder joint 14 places generation stress, if not prison welding, or take the pin insufficient strength, solder joint may occur and come off, take phenomenons such as pin fracture.
(3) maintainability is poor.Circuit board breaks down when needing repairing, and need to use flatiron that scolding tin is removed, waste time and energy, and the high temperature during welding may RF coaxial connector and components and parts cause damage.
Cooperation is referring in Fig. 3, the second way shown in Figure 4, and the bottom of radio frequency (RF) coaxial connector female 21 is fixed in the printed board 23 by modes such as welding; Shielding box 22 sides are provided with perforate 24, and shielding box 22 is passed via the U-shaped opening part of this perforate 24 in the side of radio frequency (RF) coaxial connector female 21, and, directly contact between this radio frequency (RF) coaxial connector female 21 and the shielding box 22.The advantage of this connected mode is simple to operate, the reliability height, and shortcoming is because there is perforate 24 shielding box 22 sides, causes problems such as signal leakage, interference, shielding properties is poor.
Therefore, existing radio frequency (RF) coaxial connector connected mode main not enough in short summarizing is exactly maskable difficult the operation, easy-operatingly do not shield.
Summary of the invention
The purpose of this invention is to provide a kind of radio frequency (RF) coaxial connector and shielding method of attachment through walls thereof, use has the radio frequency cable assembly of mounting flange, the relatively poor links of reliability such as artificial welding have been avoided in the operating process, install simple fast, avoid producing stress in use, the process of the test, have good shielding properties, simultaneously simple to operate, realize technical scheme application highly reliable, the Easy Test maintenance.
In order to achieve the above object, a technical scheme of the present invention provides a kind of radio frequency (RF) coaxial connector, and it is provided with the radio frequency cable assembly that has mounting flange,
One end of described radio frequency cable assembly is connected to shielding box by mounting flange; The other end of described radio frequency cable assembly is connected to printed board after passing the profiled holes of offering on the described shielding box; Described mounting flange also covers described profiled holes.
Described mounting flange is provided with the interface that is connected with the radio frequency cable assembly, can directly not be connected with shielding box when described radio frequency cable assembly is connected to this interface.
Described radio frequency cable assembly is provided with the first radio frequency (RF) coaxial connector female, fixedlys connected with mounting flange, and is connected to shielding box by mounting flange.
An end that passes profiled holes on the described radio frequency cable assembly is provided with the radio frequency (RF) coaxial connector male, the corresponding connection of the second radio frequency (RF) coaxial connector female of arranging in described radio frequency (RF) coaxial connector male and the printed board.
Between the described first radio frequency (RF) coaxial connector female and the described radio frequency (RF) coaxial connector male, be connected by the radio frequency cable of suitable line style, length.
Corresponding being provided with for the mechanical interface that connects both on described mounting flange and the described shielding box.
Another technical scheme of the present invention provides a kind of shielding method of attachment through walls of radio frequency (RF) coaxial connector, and it comprises:
Prepare a radio circuit assembly, wherein connected the first radio frequency (RF) coaxial connector female, radio frequency cable and radio frequency (RF) coaxial connector male successively;
By a mounting flange that is complementary, the first radio frequency (RF) coaxial connector female is connected on the shielding box, and avoids both direct connections;
After the radio frequency (RF) coaxial connector male passed the profiled holes of offering on the shielding box, with the corresponding connection of the second radio frequency (RF) coaxial connector female of arranging in the printed board; Simultaneously, this profiled holes is covered by described mounting flange.
Compared with prior art, radio frequency (RF) coaxial connector of the present invention and shielding method of attachment through walls thereof, it has following outstanding technique effect: radio frequency cable assembly of the present invention as one independently assembly can separate with box body, install and remove convenient and simplely, be easy to test and maintenance operation; Mounting flange can avoid welding the stress that brings as the part of realizing that shielding box and radio frequency (RF) coaxial connector are connected, also is used to cover irregularly-shaped hole simultaneously to guarantee the shielding properties of electrical module.Therefore, with respect to existing radio frequency (RF) coaxial connector connected mode, the present invention has shielding advantage good He simple to operate simultaneously.
Description of drawings
Fig. 1 is first kind of syndeton schematic diagram of radio frequency (RF) coaxial connector in the prior art;
Fig. 2 is first kind of syndeton design sketch of radio frequency (RF) coaxial connector in the prior art;
Fig. 3 is second kind of syndeton schematic diagram of radio frequency (RF) coaxial connector in the prior art;
Fig. 4 is second kind of syndeton design sketch of radio frequency (RF) coaxial connector in the prior art;
Fig. 5 is the structural representation of mounting flange described in the present invention;
Fig. 6 is the structural representation of the assembly of radio frequency cable described in the present invention;
Fig. 7 is the profiled holes structural representation of shielding box among the present invention;
Fig. 8 is the syndeton schematic diagram of radio frequency (RF) coaxial connector described in the present invention;
Fig. 9 is the syndeton design sketch of radio frequency (RF) coaxial connector described in the present invention.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 6, provide a kind of radio frequency cable assembly 30 among the present invention, the one end is the first radio frequency (RF) coaxial connector female 32, is connected by screw thread with mounting flange 31; The other end is radio frequency (RF) coaxial connector male 34; Select for use the radio frequency cable 33 of suitable line style, length to connect between the two ends, select the radio frequency cable 33 that shielding is good, bending radius is little as far as possible for use.
As shown in Figure 5, provide a kind of mounting flange 31 among the present invention, be used for realizing being connected of above-mentioned radio frequency cable assembly 30 and shielding box 40, but avoid both direct connections; This mounting flange 31 is also seen Fig. 7 with the profiled holes 411(that offers on the shielding box 40 simultaneously) block, to guarantee the capability of electromagnetic shielding of electrical module.
That is, have the interface 311 that is connected with radio frequency cable assembly 30 on the described mounting flange 31, this interface 311 is typically provided with screw thread, in order to connect the described first radio frequency (RF) coaxial connector female 32.Simultaneously, the corresponding mechanical interface that is provided with to connect both on described mounting flange 31 and the shielding box 40, usually being through hole 312 at mounting flange 31, is screwed hole 412 at shielding box 40, mounting flange 31 is fixed on the outside of shielding box 40 by screw 313.As shown in Figure 7, the structural design of shielding box 40 the above profiled holes 411 should guarantee that radio frequency (RF) coaxial connector male 34 through after adjusting angle, can pass shielding box 40 via this profiled holes 411.
Cooperation is referring to Fig. 8, shown in Figure 9, and the major part of radio frequency cable assembly 30 (as radio frequency (RF) coaxial connector male 34 and radio frequency cable 33) is passed the inboard that profiled holes 411 is positioned at shielding box 40.Be furnished with the second radio frequency (RF) coaxial connector female 51 in printed board 50, can be connected with the radio frequency (RF) coaxial connector male 34 of radio frequency cable assembly 30, the connector form is selected according to the layout of printed board 50, can be straight cutting, also can bend cutting.
The shielding method of attachment through walls of above-mentioned radio frequency (RF) coaxial connector among the present invention mainly comprises following process:
Prepare a radio circuit assembly 30, wherein connected the first radio frequency (RF) coaxial connector female 32, radio frequency cable 33 and radio frequency (RF) coaxial connector male 34 successively.By a mounting flange that is complementary 31, the first radio frequency (RF) coaxial connector female 32 is connected on the shielding box 40; And radio frequency (RF) coaxial connector male 34 passed profiled holes 411 on the shielding box 40, with the second radio frequency (RF) coaxial connector female, the 51 corresponding connections of arranging in the printed board 50.This profiled holes 411 is mounted flange 31 and covers simultaneously.
In sum, the radio frequency cable assembly that provides among the present invention can separate with box body as an assembly, installs and removes convenient and simplely, is easy to test and maintenance operation, the profiled holes 411 that while mounting flange 31 can block shielding box 40 sidewalls has guaranteed that whole electrical appliance module has good shielding properties.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a radio frequency (RF) coaxial connector is characterized in that, is provided with the radio frequency cable assembly (30) that has mounting flange (31),
One end of described radio frequency cable assembly (30) is connected to shielding box (40) by mounting flange (31); The other end of described radio frequency cable assembly (30) is connected to printed board (50) after passing the profiled holes of offering on the described shielding box (40) (411); Described mounting flange (31) also covers described profiled holes (411).
2. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, described mounting flange (31) is provided with the interface (311) that is connected with radio frequency cable assembly (30), and described radio frequency cable assembly (30) is connected to this interface (311) Shi Buhui and directly is connected with shielding box (40).
3. radio frequency (RF) coaxial connector as claimed in claim 1 or 2, it is characterized in that, described radio frequency cable assembly (30) is provided with the first radio frequency (RF) coaxial connector female (32), fixedlys connected with mounting flange (31), and is connected to shielding box (40) by mounting flange (31).
4. radio frequency (RF) coaxial connector as claimed in claim 3, it is characterized in that, an end that passes profiled holes (411) on the described radio frequency cable assembly (30) is provided with radio frequency (RF) coaxial connector male (34), and described radio frequency (RF) coaxial connector male (34) goes up the corresponding connection of the second radio frequency (RF) coaxial connector female (51) of arranging with printed board (50).
5. radio frequency (RF) coaxial connector as claimed in claim 4 is characterized in that, between the described first radio frequency (RF) coaxial connector female (32) and the described radio frequency (RF) coaxial connector male (34), is connected by the radio frequency cable (33) of suitable line style, length.
6. radio frequency (RF) coaxial connector as claimed in claim 1 or 2 is characterized in that, described mounting flange (31) is gone up corresponding being provided with for the mechanical interface that connects both with described shielding box (40).
7. the shielding method of attachment through walls of a radio frequency (RF) coaxial connector is characterized in that, comprises:
Prepare a radio circuit assembly (30), wherein connected the first radio frequency (RF) coaxial connector female (32), radio frequency cable (33) and radio frequency (RF) coaxial connector male (34) successively;
By a mounting flange that is complementary (31), the first radio frequency (RF) coaxial connector female (32) is connected on the shielding box (40), and avoids both direct connections;
After radio frequency (RF) coaxial connector male (34) passed the profiled holes of offering on the shielding box (40) (411), go up the corresponding connection of the second radio frequency (RF) coaxial connector female (51) of arranging with printed board (50); Simultaneously, this profiled holes (411) is covered by described mounting flange (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223727.1A CN103326207B (en) | 2013-06-04 | 2013-06-04 | Radio frequency (RF) coaxial connector and shielding method of attachment through walls thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223727.1A CN103326207B (en) | 2013-06-04 | 2013-06-04 | Radio frequency (RF) coaxial connector and shielding method of attachment through walls thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103326207A true CN103326207A (en) | 2013-09-25 |
| CN103326207B CN103326207B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310223727.1A Active CN103326207B (en) | 2013-06-04 | 2013-06-04 | Radio frequency (RF) coaxial connector and shielding method of attachment through walls thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040038564A1 (en) * | 2002-06-21 | 2004-02-26 | Bi-Jian Yan | Electrical connector |
| CN200969461Y (en) * | 2006-11-10 | 2007-10-31 | 中兴通讯股份有限公司 | N-type blind insertion RF connector |
| CN201829737U (en) * | 2010-05-07 | 2011-05-11 | 摩比天线技术（深圳）有限公司 | Installation structure of radio-frequency connector |
| CN102456964A (en) * | 2010-10-25 | 2012-05-16 | 韦成红 | Mobile communication connector |
| CN203288897U (en) * | 2013-06-04 | 2013-11-13 | 上海无线电设备研究所 | Radio frequency coaxial connector capable of shielding and being easily operated |
-
2013
- 2013-06-04 CN CN201310223727.1A patent/CN103326207B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040038564A1 (en) * | 2002-06-21 | 2004-02-26 | Bi-Jian Yan | Electrical connector |
| CN200969461Y (en) * | 2006-11-10 | 2007-10-31 | 中兴通讯股份有限公司 | N-type blind insertion RF connector |
| CN201829737U (en) * | 2010-05-07 | 2011-05-11 | 摩比天线技术（深圳）有限公司 | Installation structure of radio-frequency connector |
| CN102456964A (en) * | 2010-10-25 | 2012-05-16 | 韦成红 | Mobile communication connector |
| CN203288897U (en) * | 2013-06-04 | 2013-11-13 | 上海无线电设备研究所 | Radio frequency coaxial connector capable of shielding and being easily operated |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103326207B (en) | 2016-09-07 |
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