CN103138128B - radio frequency connecting device - Google Patents
radio frequency connecting device Download PDFInfo
- Publication number
- CN103138128B CN103138128B CN201110399288.0A CN201110399288A CN103138128B CN 103138128 B CN103138128 B CN 103138128B CN 201110399288 A CN201110399288 A CN 201110399288A CN 103138128 B CN103138128 B CN 103138128B
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- Prior art keywords
- hole
- circuit board
- radio frequency
- fixed block
- lower fixed
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Links
- 238000002788 crimping Methods 0.000 claims description 23
- 238000005868 electrolysis reaction Methods 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a radio frequency connecting device, which is used for fixing a radio frequency coaxial connector to a circuit board and comprises an upper fixed block, a lower fixed block and a circuit board, wherein the upper fixed block is provided with a large semicircular hole in the middle, the lower fixed block is provided with a small semicircular hole in the middle, and the circuit board is provided with an embedded groove and a grounding pressure plate hole on one side; the upper fixing block, the lower fixing block and the radio frequency coaxial connector are mutually fixed, a tail shell of the radio frequency coaxial connector is tightly jointed with the upper fixing block and the lower fixing block, the axis of the radio frequency coaxial connector is jointed with a radio frequency signal output lead of the circuit board, and the upper fixing block and the lower fixing block are mutually connected through a grounding pressure plate hole. The radio frequency connecting device provided by the invention can firmly fix the radio frequency coaxial connector on the circuit board and realize the reliable connection of the radio frequency coaxial connector and the circuit on the circuit board.
Description
Technical field
The present invention relates to interface unit technical field, particularly a kind of radio frequency connection device.
Background technology
Radio frequency (RF) coaxial connector is considered to be installed on cable or be arranged on instrument usually, as the element that transmission line is electrically connected or is separated.According to the difference of radio-frequency power, transmission frequency, radio frequency (RF) coaxial connector has multiple different specification, the mini-series such as medium-sized series such as such as M, N, C, BNC, TNC etc. and SMA, SMB, SMC.
The radio-frequency power of hundreds of watts to thousands of watts is commonly used in field of semiconductor manufacture, the communications field, the radiofrequency signal transmitting this power level selects the radio frequency (RF) coaxial connector of M, N-type usually, the various standard specifications of these two kinds of radio frequency (RF) coaxial connectors can be fixed on cabinet, and cannot to be securely fixed on circuit board and to be reliably connected with the circuit on circuit board.
Such as, between rf power amplifier circuit with power-sensing circuit, the general copper sheet that adopts is connected, namely radiofrequency signal output lead is connected via copper sheet with the output of power-sensing circuit, the ground wire of rf power amplifier circuit is also connected via copper sheet with the ground wire of power-sensing circuit, do the shielding being unfavorable for radiofrequency signal like this, other parts in cabinet are impacted.Another kind of way is directly soldered on circuit board by radio frequency (RF) coaxial connector, the axis (i.e. radio frequency signal transmission line) of radio frequency (RF) coaxial connector is connected with the radiofrequency signal output lead on circuit board, the shell of radio frequency (RF) coaxial connector is connected with the ground wire of circuit board, then power-sensing circuit is connected to by radio-frequency (RF) coaxial transmission cable, because the shielding of radio-frequency (RF) coaxial transmission cable is good, so can ensure that radiofrequency signal exports other parts do not disturbed in cabinet, but radio frequency (RF) coaxial connector and circuit board are welding of several point, the poor reliability connected, especially need constantly to screw when assembling and setting to pull radio frequency (RF) coaxial connector, repeatedly be easy to several times the solder joint between connector and circuit board is loosened, even split, thus cause radio frequency to export fault, damage power device.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly radio frequency (RF) coaxial connector is securely fixed on circuit board and realizes and radio frequency connection device that the circuit on circuit board is reliably connected.
For solving the problems of the technologies described above, the invention provides a kind of radio frequency connection device, for radio frequency (RF) coaxial connector is fixed to circuit board, comprising
Upper fixed block, has more than half circular hole therebetween;
Lower fixed block, has smaller part circular hole therebetween;
And circuit board, have embedded groove and earth contact pressure disk hole at it;
Fixed piece, described lower fixed block and described radio frequency (RF) coaxial connector interfix, the afterbody shell of described radio frequency (RF) coaxial connector and fixed piece, described lower fixed block fluid-tight engagement, the axis of described radio frequency (RF) coaxial connector is engaged in the radiofrequency signal output lead of described circuit board, and fixed piece is interconnected via described earth contact pressure disk hole with described lower fixed block.
Further, fixed piece is provided with stationary plane on connector, on described connector, stationary plane has fixing hole, described lower fixed block is provided with stationary plane under connector, under described connector, stationary plane has lower fixed hole, and fixed piece interfixes via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block.
Further, fixed hole and described lower fixed hole are all screw, and fixed piece utilizes screw to interfix via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block.
Further, fixed hole and described lower fixed hole are all through hole, and fixed piece utilizes bolt and nut to interfix via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block.
Further, the axis of described radio frequency (RF) coaxial connector directly welds for utilizing high temperature scolding tin with the juncture of the radiofrequency signal output lead of described circuit board, and pad is hemisphere, covers one end of axis completely.
Further, fixed piece is provided with electrolysis on circuit board, on described circuit board, electrolysis has on circuit board and crimps hole, described lower fixed block is provided with electrolysis under circuit board, under described circuit board, electrolysis crimps hole under having circuit board, and fixed piece and described lower fixed block are interconnected via crimping hole under described circuit board crimping hole, described earth contact pressure disk hole, described circuit board.
Further, described circuit board crimping hole is screw, crimping hole under described circuit board is through hole, utilizes screw, hole, described earth contact pressure disk hole, described circuit board crimp hole is connected fixed piece with described lower fixed block successively via crimping under described circuit board.
Further, described circuit board crimping hole is through hole, crimping hole under described circuit board is screw, utilizes screw, is connected successively via crimping hole under described circuit board crimping hole, described earth contact pressure disk hole, described circuit board by fixed piece with described lower fixed block.
Further, be all made up of conductive metallic material with described lower fixed block for fixed piece, preferably made of aluminum.
Compared with prior art, tool of the present invention has the following advantages:
Radio frequency (RF) coaxial connector can be fixed to circuit board by the embedded groove of A, the upper fixed block due to radio frequency connection device of the present invention, lower fixed block and circuit board in longitudinal direction, transverse direction and direction of rotation, so can be securely fixed on circuit board by radio frequency (RF) coaxial connector;
B, because the axis of the radio frequency (RF) coaxial connector in radio frequency connection device of the present invention is connected for utilizing high temperature scolding tin directly to weld with the radiofrequency signal output lead of circuit board, solder joint is hemisphere, cover one end of axis completely, radiofrequency signal between realizing circuit plate and radio frequency (RF) coaxial connector reliably connects, and upper fixed block, the afterbody shell fluid-tight engagement of lower fixed block and radio frequency (RF) coaxial connector, upper fixed block, lower fixed block is connected with the ground wire of circuit board by earth contact pressure disk hole, and the ground connection of realizing circuit plate and radio frequency (RF) coaxial connector is abundant, thus achieve radio frequency (RF) coaxial connector and be connected with the reliable electric of circuit on-board circuitry.
Accompanying drawing explanation
The structural representation of the radio frequency connection device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of upper mounted plate in radio frequency connection device shown in Fig. 1;
Fig. 3 is the structural representation of bottom plate in radio frequency connection device shown in Fig. 1;
Fig. 4 is the structural representation of circuit board in radio frequency connection device shown in Fig. 1.
Embodiment
See Fig. 1, a kind of radio frequency connection device that the embodiment of the present invention provides, comprises the upper fixed block 1 with semicircle orifice and lower fixed block 6, circuit board 5.Upper fixed block 1 and lower fixed block 6 are made up of conducting metal, and preferred aluminium contributes to abundant ground connection.Upper fixed block 1 and lower fixed block 6, after circuit board 5 both sides pressing, can be combined closely with flanged M, N type radio frequency coaxial connector 7, and now the axis of radio frequency (RF) coaxial connector 7 engages with the radiofrequency signal output lead 8 of circuit board 5 just.The axis of radio frequency (RF) coaxial connector 7 welds with the radiofrequency signal output lead 8 be fixed on circuit board 5 through welding, thus forms axis pad 3; Preferably, utilize high temperature scolding tin directly to be welded by axis, pad is hemisphere, covers one end of axis completely, ensures that the radiofrequency signal between circuit board and radio frequency (RF) coaxial connector reliably connects.The shell of radio frequency (RF) coaxial connector 7 is as ground wire, by the afterbody shell fluid-tight engagement of upper fixed block 1, lower fixed block 6 and radio frequency (RF) coaxial connector 7, and upper fixed block 1, lower fixed block 6 crimp with the earth lead 4 on circuit board 5, form ground wire electrolysis 2, ensure that the ground connection of circuit board and radio frequency (RF) coaxial connector is abundant.
See Fig. 2, the shape of upper fixed block 1 is substantially the rectangular block that centre has hole, middle perforate is more than half circular hole 15, and the profile of more than half circular hole 15 can close with the afterbody match profiles of radio frequency (RF) coaxial connector 7, so that more than half circular hole 15 fits tightly with the afterbody of radio frequency (RF) coaxial connector 7.The width of upper fixed block 1 is equal with the width of radio frequency (RF) coaxial connector.Upper fixed block 1 to be provided with on connector electrolysis 16 on stationary plane 11 and circuit board.On connector, stationary plane 11 is provided with two upper fixing holes 12, and its position is corresponding with the fixing hole on radio frequency (RF) coaxial connector 7.Upper fixing hole can be screw or through hole, if screw, then radio frequency (RF) coaxial connector 7 and upper fixed block 1 are fixed by available screw; If through hole, then radio frequency (RF) coaxial connector 7 and upper fixed block 1 are fixed by available bolt and nut.On circuit board, electrolysis 16 is provided with on circuit board and crimps hole 13, circuit board crimps hole 13 for through hole or screw.
See Fig. 3, lower fixed block 6 identical with the shape of upper fixed block 1 be substantially also the middle rectangular block having hole, but the height of lower fixed block 6 is less than the height of fixed block 1.Middle perforate is smaller part circular hole 28, and the profile of smaller part circular hole 28 can close with the afterbody match profiles of radio frequency (RF) coaxial connector 7, so that smaller part circular hole 28 fits tightly with the afterbody of radio frequency (RF) coaxial connector 7.The width of lower fixed block 6 is equal with the width of radio frequency (RF) coaxial connector.After upper fixed block 1, lower fixed block 6, circuit board 5 are fixing with radio frequency (RF) coaxial connector 7, the axis of radio frequency (RF) coaxial connector 7 can be fitted circuit board 5.Lower fixed block 6 to be provided with under connector electrolysis 26 under stationary plane 21 and circuit board.Under connector, stationary plane 21 is provided with two lower fixed holes 22, and its position is corresponding with the fixing hole on radio frequency (RF) coaxial connector 7.Lower fixed hole 22 can be screw or through hole, if screw, then radio frequency (RF) coaxial connector 7 and lower fixed block 6 are fixed by available screw; If through hole, then radio frequency (RF) coaxial connector 7 and lower fixed block 6 are fixed by available bolt and nut.Under circuit board, electrolysis 26 crimps hole 27 under being provided with circuit board, crimps hole 27 and can be through hole or screw under circuit board.
But if circuit board crimps hole 13 for through hole, then crimping hole 27 under circuit board can only be screw; If circuit board crimps hole 13 for screw, then crimp hole 27 under circuit board and can be through hole or screw, namely crimping hole under circuit board crimping hole and circuit board has at least a hole to be threaded, and have at least a hole to be penetrating hole, utilize screw will to crimp hole 27 under circuit board crimping hole 13 and circuit board by fastening to upper fixed block 1, circuit board 5, lower fixed block 6 to facilitate.
See Fig. 4, for the circuit board 5 coordinated with said apparatus, should inwardly offer radio frequency (RF) coaxial connector embedded groove 54 at board edge 55, its geomery should match with radio frequency (RF) coaxial connector 7 used.In the position corresponding to radio frequency (RF) coaxial connector axis 7, axis 53 (being generally the output lead of radiofrequency signal) is set, for welding the axis of radio frequency (RF) coaxial connector 7 and being connected with on-board circuitry; In the position that the crimping hole of upper fixed block 1 and lower fixed block 6 is corresponding, arrange ground connection platen 51, the center of ground connection platen 51 arranges earth contact pressure disk hole 52, for through screw.
Radio frequency connection device provided by the invention can by radio frequency (RF) coaxial connector, the particularly flange form radio frequency (RF) coaxial connector of M or N-type, be fixed on circuit board 5, radio frequency connection device is by upper fixing hole, lower fixed hole is being connected with on axis being parallel direction with radio frequency (RF) coaxial connector, by circuit board crimps hole, crimp under circuit board hole respectively with circuit board, radio frequency (RF) coaxial connector is being connected in vertical direction with axis, by more than half circular hole, smaller part circular hole, the afterbody profile fluid-tight engagement of embedded groove and radio frequency (RF) coaxial connector 7, realize radio frequency (RF) coaxial connector in longitudinal direction, laterally and in direction of rotation be fixed to circuit board, the firm difficult drop-off of fixed form.Axis due to radio frequency (RF) coaxial connector is the transmission line of radiofrequency signal, shell is the ground wire of radiofrequency signal, by radio frequency connection device of the present invention, can by the axis of radio frequency (RF) coaxial connector and shell respectively with the radiofrequency signal output lead on circuit board and earth lead firm engagement, realize the reliable connection electrically, and structure is simple.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a radio frequency connection device, for radio frequency (RF) coaxial connector is fixed to circuit board, is characterized in that, comprises
Upper fixed block, has more than half circular hole therebetween;
Lower fixed block, has smaller part circular hole therebetween;
And circuit board, have embedded groove and earth contact pressure disk hole at it;
Fixed piece, described lower fixed block and described radio frequency (RF) coaxial connector interfix, the afterbody shell of described radio frequency (RF) coaxial connector and fixed piece, described lower fixed block fluid-tight engagement, the axis of described radio frequency (RF) coaxial connector is engaged in the radiofrequency signal output lead of described circuit board, and fixed piece is interconnected via described earth contact pressure disk hole with described lower fixed block;
Fixed piece is provided with stationary plane on connector, on described connector, stationary plane has fixing hole, described lower fixed block is provided with stationary plane under connector, under described connector, stationary plane has lower fixed hole, and fixed piece interfixes via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block; Fixed piece is provided with electrolysis on circuit board, on described circuit board, electrolysis has on circuit board and crimps hole, described lower fixed block is provided with electrolysis under circuit board, under described circuit board, electrolysis crimps hole under having circuit board, and fixed piece and described lower fixed block are interconnected via crimping hole under described circuit board crimping hole, described earth contact pressure disk hole, described circuit board.
2. radio frequency connection device according to claim 1, is characterized in that:
Fixed hole and described lower fixed hole are all screw, and fixed piece utilizes screw to interfix via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block.
3. radio frequency connection device according to claim 1, is characterized in that:
Fixed hole and described lower fixed hole are all through hole, and fixed piece utilizes bolt and nut to interfix via fixed hole, described lower fixed hole and described radio frequency (RF) coaxial connector respectively with described lower fixed block.
4. radio frequency connection device according to claim 1, is characterized in that:
The axis of described radio frequency (RF) coaxial connector directly welds for utilizing high temperature scolding tin with the juncture of the radiofrequency signal output lead of described circuit board, and pad is hemisphere, covers one end of axis completely.
5. radio frequency connection device according to claim 1, is characterized in that:
Described circuit board crimping hole is screw, and crimping hole under described circuit board is through hole, utilizes screw, hole, described earth contact pressure disk hole, described circuit board crimp hole is connected fixed piece with described lower fixed block successively via crimping under described circuit board.
6. radio frequency connection device according to claim 1, is characterized in that:
Described circuit board crimping hole is through hole, and crimping hole under described circuit board is screw, utilizes screw, is connected successively via crimping hole under described circuit board crimping hole, described earth contact pressure disk hole, described circuit board by fixed piece with described lower fixed block.
7., according to the radio frequency connection device in claim 1 to 6 described in any one claim, it is characterized in that:
All be made up of conductive metallic material with described lower fixed block for fixed piece.
8. radio frequency connection device according to claim 7, is characterized in that:
Fixed piece all made of aluminum with described lower fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399288.0A CN103138128B (en) | 2011-12-05 | 2011-12-05 | radio frequency connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399288.0A CN103138128B (en) | 2011-12-05 | 2011-12-05 | radio frequency connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103138128A CN103138128A (en) | 2013-06-05 |
| CN103138128B true CN103138128B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110399288.0A Active CN103138128B (en) | 2011-12-05 | 2011-12-05 | radio frequency connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103138128B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3057383B1 (en) * | 2013-10-30 | 2018-04-04 | Huawei Technologies Co., Ltd. | Signal connection apparatus |
| TWI499781B (en) * | 2013-12-23 | 2015-09-11 | Univ Nat Taiwan Science Tech | A probe module |
| CN205429163U (en) * | 2015-11-04 | 2016-08-03 | 华为技术有限公司 | Base station antenna |
| CN106129622A (en) * | 2016-08-17 | 2016-11-16 | 苏州市吴通天线有限公司 | A kind of coaxial cable ground connection and fixing flange |
| CN113740568B (en) * | 2021-08-25 | 2024-04-12 | 深圳市速联技术有限公司 | Radio frequency PCB end connector parameter test fixture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130896A (en) * | 1991-02-22 | 1992-07-14 | Hewlett-Packard Company | Apparatus for electromagnetic interference containment for printed circuit board connectors |
| US6231380B1 (en) * | 1999-03-31 | 2001-05-15 | Adc Telecommunications, Inc. | Bulkhead connector system including angled adapter |
| CN101964466A (en) * | 2009-07-21 | 2011-02-02 | 泰科电子公司 | Electric coupler component with shielding part |
-
2011
- 2011-12-05 CN CN201110399288.0A patent/CN103138128B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130896A (en) * | 1991-02-22 | 1992-07-14 | Hewlett-Packard Company | Apparatus for electromagnetic interference containment for printed circuit board connectors |
| US6231380B1 (en) * | 1999-03-31 | 2001-05-15 | Adc Telecommunications, Inc. | Bulkhead connector system including angled adapter |
| CN101964466A (en) * | 2009-07-21 | 2011-02-02 | 泰科电子公司 | Electric coupler component with shielding part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103138128A (en) | 2013-06-05 |
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Effective date of registration: 20201217 Address after: 510000 601, building a, 136 Kaiyuan Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: AoXin integrated circuit technology (Guangdong) Co.,Ltd. Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3 Patentee before: Institute of Microelectronics of the Chinese Academy of Sciences |
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Effective date of registration: 20220428 Address after: 510000 room 710, Jianshe building, No. 348, Kaifa Avenue, Huangpu District, Guangzhou, Guangdong Patentee after: Ruili flat core Microelectronics (Guangzhou) Co.,Ltd. Address before: 510000 601, building a, 136 Kaiyuan Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee before: AoXin integrated circuit technology (Guangdong) Co.,Ltd. |
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