CN102074774A - Radio frequency communication equipment - Google Patents
Radio frequency communication equipment Download PDFInfo
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- CN102074774A CN102074774A CN2010106016467A CN201010601646A CN102074774A CN 102074774 A CN102074774 A CN 102074774A CN 2010106016467 A CN2010106016467 A CN 2010106016467A CN 201010601646 A CN201010601646 A CN 201010601646A CN 102074774 A CN102074774 A CN 102074774A
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- circuit board
- radio frequency
- frequency communication
- communication devices
- signal transmission
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Abstract
The invention discloses radio frequency communication equipment comprising a cavity, a cover board and a signal transmission rod, wherein the signal transmission rod passes through a circuit board used for transmitting signals after passing through the cavity or the cover board; and the signal transmission rod is connected with the signal transferring point of the circuit board. The radio frequency communication equipment provided by the embodiment of the invention proposes an improvement scheme aiming at the connection type of the circuit board and the signal transmission rod, influence on the structure and the function because of relative position errors between the signal transmission rod and the signal point of the circuit board can be eliminated, and the signal transmission rod and the signal point of the circuit board are in good contact.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of radio frequency communication devices.
Background technology
Cavity body filter is widely used in the communications field as a kind of frequency selection device because the specific (special) requirements that cavity body filter transmits signal, between its each assembly and and joint outer part between interconnective precision have relatively high expectations.
See also Fig. 1, Fig. 1 has shown a kind of schematic partial cross-sectional view of cavity body filter in the prior art, has wherein also shown the external circuit board that part is connected with cavity body filter.
As shown in Figure 1, this cavity body filter comprises cavity 100, cover plate 140 and connector inner wire 130.
Described cover plate 140 capping cavitys 100.And connector inner wire 130 passes cover plate 110, is connected with the signal transfer point of cavity body filter the external circuit board 150.
Please in the lump referring to Fig. 2 and Fig. 3, wherein, Fig. 2 has shown the partial structurtes schematic diagram of the circuit board among Fig. 1; Fig. 3 has shown the circuit board among Fig. 1 and the rigging error schematic diagram of inner wire.
As shown in Figure 2, this circuit board 150 is provided with ear shape hole 151, and the central hole that screw 152 runs through this ear shape hole 151 is connected with connector inner wire 130.As shown in Figure 3; when the height of inner wire 130 is lower than assembling base plane, can there be gap h in inner wire 130 and circuit board 150 owing to make and directional error usually; and when the height of inner wire 130 is higher than assembling base plane, then may be with circuit board 150 jack-up (not shown)s.
In research and practice process to prior art, the present inventor finds, in the above-mentioned prior art: the ear shape hole 151 on this circuit board 150 is relatively more fragile, owing to reasons such as the spacing moment of torsion excessive or screw 152 of itself and connector inner wire 130 is excessive cause the circuit board 150 and the gap of connector inner wire 130 to be difficult for tuning easily, for example circuit board 150 can deform, the situations such as root appearance fracture in short circuit or ear shape hole 151 can appear in circuit board 150 when serious, be difficult to eliminate the relative position error between the signal transfer point of connector inner wire 130 and circuit board 150, can not guarantee good contact the between the signal transfer point of connector inner wire 130 and cavity body filter the external circuit board 150.
Summary of the invention
Fragile in order to solve in the prior art ear shape boring ratio on the circuit board, the problem of distortion, short circuit and fracture appears in circuit board in installation process, and the embodiment of the invention provides a kind of radio frequency communication devices.
The embodiment of the invention solves the problems of the technologies described above the technical scheme of being taked and provides a kind of radio frequency communication devices, comprise cavity, cover plate and signal transmission pole, described signal transmission pole passes circuit board after passing described cavity or described cover plate again, and the signal transfer point of described signal transmission pole and described circuit board links together.
The radio frequency communication devices that the embodiment of the invention provides has proposed improvement project at the connected mode of circuit board and signal transmission pole, can the erasure signal transmission pole and the signal transfer point of circuit board between the relative position error, can guarantee well to contact between the signal transfer point of signal transmission pole and circuit board.Improved the connection reliability of signal transmission pole and circuit board in the radio frequency communication devices greatly, the signal transmission pole and the signal transfer point of circuit board link together not fragile circuit board, and can guarantee the signal good communication.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.Wherein
Fig. 1 has shown a kind of schematic partial cross-sectional view of cavity body filter in the prior art;
Fig. 2 has shown the structural representation of the circuit board among Fig. 1;
Fig. 3 has shown the circuit board among Fig. 1 and the rigging error schematic diagram of inner wire;
Fig. 4 has shown the schematic partial cross-sectional view of the embodiment of the invention one radio frequency communication devices;
Fig. 5 has shown the partial enlarged drawing of Fig. 4;
Fig. 6 has shown the structural representation of the circuit board among Fig. 4;
Fig. 7 has shown the embodiment of the invention one Intermediate gasket structural representation.
Fig. 8 has shown the schematic partial cross-sectional view of the embodiment of the invention two radio frequency communication devices;
Fig. 9 has shown the structural representation of the circuit board among Fig. 8;
Figure 10 has shown the schematic partial cross-sectional view of the another kind of execution modes of the embodiment of the invention two radio frequency communication devices;
Figure 11 has shown the schematic partial cross-sectional view of the another kind of execution modes of the embodiment of the invention two radio frequency communication devices.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of radio frequency communication devices, comprise cavity, cover plate and signal transmission pole, described signal transmission pole passes circuit board after passing described cavity or described cover plate again, and the signal transfer point of described signal transmission pole and described circuit board is fixed together.
Embodiment one
A kind of cavity body filter, as shown in Figure 4, comprise cavity 300, cover plate 340 and signal transmission pole 330, described signal transmission pole 330 passes circuit board 350 after passing described cover plate 340 again, and described signal transmission pole 330 is fixed together with the signal transfer point of described circuit board 350.
Described signal transmission pole 330 is used for the signal of radio frequency communication devices is transferred to circuit board 250 or the signal on the circuit board 350 is transferred to radio frequency communication devices.
Described radio frequency communication devices can comprise described circuit board, and the described circuit board of another kind of situation can be in the outside of described radio frequency communication devices.
As shown in Figure 6, described cavity body filter the external circuit board 350 is provided with through hole 353, the signal transfer point that described signal transmission pole 330 passes this through hole 353 and described circuit board 350 is fixed together, and described metallic plate is provided with the coat of metal, can select gold-plated or copper facing.
Preferably, described signal transmission pole 330 welds together with the signal transfer point of described cavity body filter the external circuit board 350.
Preferably, also comprise pad 352, described pad 352 is enclosed within on the described signal transmission pole 330, the signal transfer point of described pad 352, described signal transmission pole 330 and described circuit board 350 welds together, and solder joint 351 welds together the signal transfer point of described pad 352, described signal transmission pole 330 and described circuit board 350 as shown in Figure 5.
Described pad can be circle, hexagon, waveform or square.Described spacer thickness can be between 0.2 to 0.5, and described gasket width can be between 0.5 to 1.0.
Preferably, described pad 352 is a circular gasket, as shown in Figure 7, can be enclosed within on the described signal transmission pole 330, and preferred, described pad is the round and elastic pad.
Another kind of execution mode, a kind of cavity body filter, comprise cavity 300, cover plate and be located at signal transmission pole 330, described signal transmission pole 330 passes the circuit board 350 that is used for transmission signals after passing described cavity again, and described signal transmission pole 330 is fixed together with the signal transfer point of described circuit board 350.
Be that described circuit board is positioned at described cavity bottom, this moment, described signal transmission pole passed cavity.
In the above-mentioned different execution mode, described radio frequency communication devices can be cavity body filter, power splitter or synthesizer, and wherein said signal transmission pole can be the connector inner wire.
The radio frequency communication devices that the embodiment of the invention provides has proposed improvement project at the connected mode of circuit board and signal transmission pole, can the erasure signal transmission pole and the signal transfer point of circuit board between the relative position error, can guarantee well to contact between the signal transfer point of signal transmission pole and circuit board.Improved the connection reliability of signal transmission pole and circuit board in the radio frequency communication devices greatly, the signal transfer point of signal transmission pole and cavity body filter the external circuit board is fixed together, not fragile circuit board, and can guarantee the signal good communication.
Embodiment two
A kind of radio frequency communication devices as Fig. 8, comprises cavity 200, cover plate 240 and signal transmission pole 230, and described signal transmission pole 230 passes circuit board 250 after passing described cover plate 240 again, and is connected by the signal transfer point of connector with described circuit board 250.
Described signal transmission pole 230 is used for the signal of radio frequency communication devices is transferred to circuit board 250 or the signal on the circuit board 250 is transferred to radio frequency communication devices.
Described radio frequency communication devices can comprise described circuit board, and the described circuit board of another kind of situation can be in the outside of described radio frequency communication devices.
As shown in Figure 9, described circuit board 250 is provided with through hole 251, and described signal transmission pole 230 passes this through hole and links to each other with connector, and described circuit board is provided with the coat of metal, can select gold-plated or copper facing.。
Described signal transmission pole 230 outer surfaces are provided with screw thread, described connector is a nut 252, described nut 252 is positioned on the described circuit board 250, described circuit board is provided with through hole 251, described signal transmission pole 230 passes described through hole and is threaded with described nut 252, described circuit board is provided with the coat of metal, and described nut is positioned on the coat of metal of described circuit board.Because described signal transmission pole is provided with screw thread, moment of torsion that can the adjusting lock nut guarantees that promptly the signal transmission can not damage circuit board again.
Can also be provided with pad between the described nut and the described circuit board coat of metal, as Figure 11, be used for guaranteeing can not damage circuit board, described pad is a plain cushion, can also be provided with the bullet pad below the described plain cushion.
During described radio frequency communication devices operate as normal, described circuit board transfers out signal to described signal transfer point, the coat of metal on the described signal transfer point passes to described nut with signal, by described nut signal is passed to described signal transmission pole, described signal transmission pole transfers signals in the described radio frequency communication devices; Another kind of working method is that described radio frequency communication devices transfers signals to described signal transmission pole, and described signal transmission pole passes to circuit board by the coat of metal on nut and the circuit board with signal.
Another kind of execution mode, a kind of radio frequency communication devices, as Figure 10, comprise cavity 200, cover plate and signal transmission pole 230, described signal transmission pole 230 passes the circuit board 250 that is used for transmission signals after passing described cavity again, and is connected by the signal transfer point of connector with described circuit board 250.
Be that described circuit board is positioned at described cavity bottom, this moment, described signal transmission pole passed cavity.
Also be provided with supporting bracket between described cavity or described cover plate and the described circuit board.
In the above-mentioned different execution mode, described radio frequency communication devices can be cavity body filter, duplexer or synthesizer, and wherein said signal transmission pole can be the connector inner wire.
The radio frequency communication devices that the embodiment of the invention provides has proposed improvement project at the connected mode of circuit board and signal transmission pole, can the erasure signal transmission pole and the signal transfer point of circuit board between the influence that brings of the relative position error, can guarantee well to contact between the signal transfer point of signal transmission pole and circuit board.Improved the connection reliability of signal transmission pole and circuit board in the radio frequency communication devices greatly, circuit board and signal transmission pole keep close-fitting by connector, not fragile circuit board, and can guarantee the signal good communication.
What deserves to be mentioned is that among the above embodiment, different architectural feature (for example above-mentioned multiple connected mode) can be used in combination mutually, is not limited to shown in each accompanying drawing.
At the foregoing description, only the present invention is carried out exemplary description, but those skilled in the art carry out various modifications to the present invention after reading present patent application under the situation that does not break away from the spirit and scope of the present invention.
Claims (14)
1. radio frequency communication devices, it is characterized in that: comprise cavity, cover plate and signal transmission pole, described signal transmission pole passes circuit board after passing described cavity or described cover plate again, and the signal transfer point of described signal transmission pole and described circuit board links together.
2. radio frequency communication devices according to claim 1 is characterized in that: described signal transmission pole is used for the signal of radio frequency communication devices is transferred to circuit board or the signal on the circuit board is transferred to radio frequency communication devices.
3. radio frequency communication devices according to claim 2 is characterized in that: the signal transfer point of described signal transmission pole and described circuit board welds together.
4. radio frequency communication devices according to claim 3 is characterized in that: also comprise pad, described pad is enclosed within on the described signal transmission pole, and the signal transfer point of described pad, described signal transmission pole and described circuit board welds together.
5. radio frequency communication devices according to claim 4 is characterized in that: described pad is circle, hexagon, waveform or square.
6. radio frequency communication devices according to claim 1 is characterized in that: also be provided with supporting bracket between described cavity or described cover plate and the described circuit board.
7. radio frequency communication devices according to claim 1 is characterized in that: described signal transmission pole is connected with the signal transfer point of described circuit board by connector.
8. radio frequency communication devices according to claim 7 is characterized in that: described signal transmission pole is used for the signal of radio frequency communication devices is transferred to circuit board or the signal on the circuit board is transferred to radio frequency communication devices.
9. radio frequency communication devices according to claim 8 is characterized in that: described signal transmission pole outer surface is provided with screw thread, and described connector is a nut, and described nut is positioned on the described circuit board, and described nut is threaded with described signal transmission pole.
10. radio frequency communication devices according to claim 9 is characterized in that: described circuit board is provided with the coat of metal, and described nut is positioned on the coat of metal of described circuit board.
11. radio frequency communication devices according to claim 10 is characterized in that: be provided with pad between the coat of metal of described nut and described circuit board.
12. radio frequency communication devices according to claim 11 is characterized in that: described pad is a plain cushion.
13. radio frequency communication devices according to claim 11 is characterized in that: described pad comprises plain cushion and bullet pad.
14. according to any described radio frequency communication devices of claim 1 to 13, it is characterized in that: described radio frequency communication devices is cavity body filter, duplexer or synthesizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010601646.7A CN102074774B (en) | 2010-12-22 | 2010-12-22 | Radio frequency communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010601646.7A CN102074774B (en) | 2010-12-22 | 2010-12-22 | Radio frequency communication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102074774A true CN102074774A (en) | 2011-05-25 |
| CN102074774B CN102074774B (en) | 2015-05-20 |
Family
ID=44033190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010601646.7A Active CN102074774B (en) | 2010-12-22 | 2010-12-22 | Radio frequency communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102074774B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593560A (en) * | 2012-03-16 | 2012-07-18 | 深圳市大富科技股份有限公司 | Cavity filter and power amplifier module |
| CN103491656A (en) * | 2013-08-20 | 2014-01-01 | 华为技术有限公司 | Base station and duplexor thereof |
| CN107947823A (en) * | 2016-10-13 | 2018-04-20 | 稳懋半导体股份有限公司 | Radio-frequency unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000031705A (en) * | 1998-07-10 | 2000-01-28 | Tokin Corp | Dielectric filter |
| CN201576781U (en) * | 2009-12-25 | 2010-09-08 | 华为技术有限公司 | Connector, circuit board with same and circuit board connecting structure |
| CN101916894A (en) * | 2010-05-11 | 2010-12-15 | 深圳市大富科技股份有限公司 | Method for welding inner conductor of filter and PCB and cavity filter |
| CN201936974U (en) * | 2010-12-22 | 2011-08-17 | 深圳市大富科技股份有限公司 | Radio frequency (RF) communication equipment |
| CN201946720U (en) * | 2010-12-22 | 2011-08-24 | 深圳市大富科技股份有限公司 | Radio frequency communication equipment |
-
2010
- 2010-12-22 CN CN201010601646.7A patent/CN102074774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000031705A (en) * | 1998-07-10 | 2000-01-28 | Tokin Corp | Dielectric filter |
| CN201576781U (en) * | 2009-12-25 | 2010-09-08 | 华为技术有限公司 | Connector, circuit board with same and circuit board connecting structure |
| CN101916894A (en) * | 2010-05-11 | 2010-12-15 | 深圳市大富科技股份有限公司 | Method for welding inner conductor of filter and PCB and cavity filter |
| CN201936974U (en) * | 2010-12-22 | 2011-08-17 | 深圳市大富科技股份有限公司 | Radio frequency (RF) communication equipment |
| CN201946720U (en) * | 2010-12-22 | 2011-08-24 | 深圳市大富科技股份有限公司 | Radio frequency communication equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593560A (en) * | 2012-03-16 | 2012-07-18 | 深圳市大富科技股份有限公司 | Cavity filter and power amplifier module |
| CN102593560B (en) * | 2012-03-16 | 2015-03-18 | 深圳市大富科技股份有限公司 | Cavity filter and power amplifier module |
| CN103491656A (en) * | 2013-08-20 | 2014-01-01 | 华为技术有限公司 | Base station and duplexor thereof |
| CN103491656B (en) * | 2013-08-20 | 2017-06-06 | 华为技术有限公司 | Base station and its duplexer |
| CN107947823A (en) * | 2016-10-13 | 2018-04-20 | 稳懋半导体股份有限公司 | Radio-frequency unit |
| CN107947823B (en) * | 2016-10-13 | 2020-10-27 | 稳懋半导体股份有限公司 | Radio frequency device |
| US11101533B2 (en) | 2016-10-13 | 2021-08-24 | Win Semiconductors Corp. | Radio frequency device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102074774B (en) | 2015-05-20 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 518104, Guangdong, Shenzhen province Baoan District manhole Street oyster road manhole Industrial Company Third Industrial Zone A1, A2, A3 101 and 2 layers, A4 Applicant after: Shenzhen Tat Fook Technology Co., Ltd. Address before: 518108 Guangdong city of Shenzhen province Baoan District alqun Shiyan road with rich industrial area 1-2 building Applicant before: Shenzhen Tat Fook Technology Co., Ltd. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 233000 building 4, national financial incubation Industrial Park, 17 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Dafu Technology (Anhui) Co., Ltd Address before: 518104, Guangdong, Shenzhen province Baoan District manhole Street oyster road manhole Industrial Company Third Industrial Zone A1, A2, A3 101 and 2 layers, A4 Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |