CN202178353U - Radio frequency communication equipment - Google Patents

Radio frequency communication equipment Download PDF

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Publication number
CN202178353U
CN202178353U CN 201120032731 CN201120032731U CN202178353U CN 202178353 U CN202178353 U CN 202178353U CN 201120032731 CN201120032731 CN 201120032731 CN 201120032731 U CN201120032731 U CN 201120032731U CN 202178353 U CN202178353 U CN 202178353U
Authority
CN
China
Prior art keywords
signal transmission
circuit board
radio frequency
transmission pole
frequency communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201120032731
Other languages
Chinese (zh)
Inventor
孙尚传
童恩东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Tatfook Technology Co Ltd
Original Assignee
Shenzhen Tatfook Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Tatfook Technology Co Ltd filed Critical Shenzhen Tatfook Technology Co Ltd
Priority to CN 201120032731 priority Critical patent/CN202178353U/en
Application granted granted Critical
Publication of CN202178353U publication Critical patent/CN202178353U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/201Filters for transverse electromagnetic waves
    • H01P1/205Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/08Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/085Coaxial-line/strip-line transitions

Abstract

The utility model discloses a piece of radio frequency communication equipment, which comprises a cavity body, a cover plate, a signal transmission rod and a metal elastic gasket; the signal transmission rod passes through the cavity body or the cover plate and then passes through a circuit board; the metal elastic gasket is sleeved to the signal transmission rod and radially tightens the signal transmission rod; and the signal transmission rod is connected with a signal transmission point of the circuit board. The radio frequency communication equipment provided by the embodiment of the utility model proposes an improvement scheme for connection mode of the circuit board and the signal transmission rod, which can remove influence on structure and function resulted from relative position error between the signal transmission rod and the signal transmission point of the circuit board, and can ensure good contact between the signal transmission rod and the signal transmission point of the circuit board.

Description

A kind of radio frequency communication devices
Technical field
The utility model 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.
Said 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 sketch map of the circuit board among Fig. 1; Fig. 3 has shown circuit board and the rigging error sketch map of inner wire among Fig. 1.
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; Because the manufacturing and the directional error of inner wire 130, cavity 100 and cover plate 140; When the height of inner wire 130 is lower than the normal mounting height with circuit board 150; Usually can there be gap h, and when the height of inner wire 130 is higher than the normal mounting height with circuit board 150, then maybe be with circuit board 150 jack-up (not shown)s.
In research and practice process to prior art; The inventor of the utility model finds; In the above-mentioned prior art: the ear shape hole 151 on this circuit board 150 is relatively more fragile; Owing to the spacing reasons such as excessive height excessive or inner wire 130 of itself and connector inner wire 130 cause circuit board 150 and connector inner wire 130 to be difficult for installing easily; Circuit board 150 can be deformed, and situation such as fracture appear in the root that short circuit or ear shape hole 151 can appear in circuit board 150 when serious, 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.
The utility model content
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 utility model embodiment provides a kind of radio frequency communication devices.
The utility model embodiment 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, signal transmission pole and metallic elastic packing ring; Said signal transmission pole passes circuit board after passing said cavity or said cover plate again; Said metallic elastic gasket sleeve is on said signal transmission pole, and the said signal transmission pole of banding radially, and the signal transfer point of said signal transmission pole and said circuit board is linked together.
Said signal transfer point is the metal coating around the via hole on the said circuit board, and the said metal coating of said metallic elastic packing ring axial compression links together the signal transfer point of said signal transmission pole and said circuit board.
Said radio frequency communication devices also comprises nut, and said nut is threaded with said signal transmission pole, and said metallic elastic packing ring is pressed on the metal coating of said circuit board.
Said metallic elastic packing ring comprises plain washer and resilient sleeve; Said resilient sleeve is connected with the inner ring of said plain washer; Said resilient sleeve is used for the radially said signal transmission pole of banding, and said nut is pressed on the plain washer of said metallic elastic packing ring on the metal coating of said circuit board vertically.
Said resilient sleeve comprises at least two limbs, and being provided with between the said limb increases the flexible groove of limb.
The axial cross section of said limb is camber line shape, broken line shape or linear.
Said signal transmission pole is provided with the diameter of the diameter of threaded portion less than the signal transmission pole.
Also be provided with the circuit board supporting bracket between said cavity or said cover plate and the said circuit board.
Said radio frequency communication devices is cavity body filter, power splitter, mixer or power amplifier.
Said radio frequency communication devices is any member of transmission signals between the two of cavity body filter, power splitter, mixer or power amplifier.
The radio frequency communication devices that the utility model embodiment provides has proposed improvement project to 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.Improve the connection reliability of signal transmission pole and circuit board in the radio frequency communication devices greatly, adopted the metallic elastic packing ring that the signal transfer point of signal transmission pole and circuit board is linked 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 among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, 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 circuit board and the rigging error sketch map of inner wire among Fig. 1;
Fig. 4 has shown the schematic partial cross-sectional view of the utility model embodiment radio frequency communication devices;
Fig. 5 has shown metallic elastic gasket construction sketch map among the utility model embodiment;
Fig. 6 has shown the structural representation of the circuit board among Fig. 4;
Fig. 7 has shown nut structure sketch map among the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of radio frequency communication devices; Comprise cavity, cover plate, signal transmission pole and metallic elastic packing ring; Said signal transmission pole passes circuit board after passing said cavity or said cover plate again; Said metallic elastic gasket sleeve is on said signal transmission pole, and the said signal transmission pole of banding radially, and the signal transfer point of said signal transmission pole and said circuit board is linked together.
A kind of radio frequency communication devices; As shown in Figure 4; Comprise cavity 300, cover plate 340, signal transmission pole 330 and metallic elastic packing ring 360, said signal transmission pole 330 passes circuit board 350 after passing said cover plate 340 again, and said metallic elastic packing ring 360 is enclosed within on the said signal transmission pole 330; And the said signal transmission pole 330 of banding radially, the signal transfer point of said signal transmission pole 330 with said circuit board 350 linked together.
Said signal transmission pole 330 is used for the signal of radio frequency communication devices is transferred to circuit board 350 or the signal on the circuit board 350 is transferred to radio frequency communication devices.
Said radio frequency communication devices can comprise said circuit board, and the said circuit board of another kind of situation can be in the outside of said radio frequency communication devices.
As shown in Figure 6; Said circuit board 350 is provided with via hole 353; Said signal transmission pole 330 passes this through hole 353 and links together through the signal transfer point of metallic elastic packing ring 360 with said circuit board 350; Said signal transfer point is the metal coating around the via hole on the said metallic plate, and said metal coating can be selected to cover gold or cover copper.The said metal coating of said metallic elastic packing ring 360 axial compression.
Said metallic elastic packing ring 360 comprises plain washer 361 and resilient sleeve, and said resilient sleeve is connected with the inner ring of said plain washer 361, and said resilient sleeve is used for the radially said signal transmission pole of banding.Said resilient sleeve can be chosen as horn-like, and said resilient sleeve comprises at least two limbs 362, and being provided with between the said limb 362 increases the flexible groove of limb.Form the diameter of the minimum diameter of circle between the said limb less than the signal transmission pole; Owing to have elasticity between the limb; When said metallic elastic gasket sleeve was on the signal transmission pole, the limb of metallic elastic packing ring meeting banding signal transmission pole closely linked together metallic elastic packing ring and signal transmission pole; The plain washer of metallic elastic packing ring and the signal transfer point of circuit board link together simultaneously, make signal transmission pole and circuit board can transmit signal each other.
The cross section of said limb is camber line shape, broken line shape or linear, for ease of elastic compression, is preferably camber line shape.
For said metallic elastic packing ring 360 better is connected with circuit board; Preferably; Said radio frequency communication devices also comprises nut 351; As shown in Figure 7, said nut 351 is threaded with said signal transmission pole 330, and the plain washer 361 of said metallic elastic packing ring 360 is pressed on the said circuit board.
Preferably, said nut is a hex nut.
Preferably, damage said signal transmission pole in order to prevent said nut, said signal transmission pole is provided with the diameter of the diameter of threaded portion 354 less than signal transmission pole 330.
Also be provided with the circuit board supporting bracket between said cover plate and the said circuit board, be used to support said circuit board.
Another kind of execution mode, different with the mounting means of accompanying drawing, said metallic elastic packing ring and nut can be installed in the downside of circuit board, through metal coating connecting circuit plate on the circuit board and signal transmission pole.
The third execution mode; A kind of radio frequency communication devices; Comprise cavity 300, cover plate, signal transmission pole 330 and metallic elastic packing ring 360, said signal transmission pole 330 passes circuit board 350 after passing said cavity again, and said metallic elastic packing ring 360 is enclosed within on the said signal transmission pole 330; And the said signal transmission pole 330 of banding radially, the signal transfer point of said signal transmission pole 330 with said circuit board 350 linked together.
Be that said circuit board is positioned at said cavity bottom, this moment, said signal transmission pole passed cavity
Also be provided with supporting bracket between said cavity and the said circuit board, be used to support said circuit board.
In the above-mentioned different execution mode, said 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.
In the above-mentioned different execution mode, said radio frequency communication devices can be any member of transmission signals between the two of cavity body filter, power splitter, mixer or power amplifier.
The radio frequency communication devices that the utility model embodiment provides has proposed improvement project to 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.Improve the connection reliability of signal transmission pole and circuit board in the radio frequency communication devices greatly, adopted the metallic elastic packing ring that the signal transfer point of signal transmission pole and circuit board is linked together, not fragile circuit board, and can guarantee the signal good communication.
What deserves to be mentioned is that among the above embodiment, various structure characteristic (for example above-mentioned multiple connected mode) can make up use each other, is not limited to shown in each accompanying drawing.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation of spirit that does not break away from the utility model and scope.

Claims (9)

1. radio frequency communication devices; It is characterized in that: comprise cavity, cover plate, signal transmission pole and metallic elastic packing ring; Said signal transmission pole passes the via hole that passes circuit board behind said cavity or the said cover plate again; Said metallic elastic gasket sleeve is on said signal transmission pole, and the said signal transmission pole of banding radially, and the signal transfer point of said signal transmission pole and said circuit board is linked together.
2. radio frequency communication devices according to claim 1; It is characterized in that: said signal transfer point is the metal coating around the via hole on the said circuit board, and the said metal coating of said metallic elastic packing ring axial compression links together the signal transfer point of said signal transmission pole and said circuit board.
3. radio frequency communication devices according to claim 2 is characterized in that: also comprise nut, said nut is threaded with said signal transmission pole, and said metallic elastic packing ring is pressed on the metal coating of said circuit board.
4. radio frequency communication devices according to claim 3; It is characterized in that: said metallic elastic packing ring comprises plain washer and resilient sleeve; Said resilient sleeve is connected with the inner ring of said plain washer; Said resilient sleeve is used for the radially said signal transmission pole of banding, and said nut is pressed on the plain washer of said metallic elastic packing ring on the metal coating of said circuit board vertically.
5. radio frequency communication devices according to claim 4 is characterized in that: said resilient sleeve comprises at least two limbs, and being provided with between the said limb increases the flexible groove of limb.
6. radio frequency communication devices according to claim 4 is characterized in that: the axial cross section of said limb is camber line shape, broken line shape or linear.
7. radio frequency communication devices according to claim 3 is characterized in that: said signal transmission pole is provided with the diameter of the diameter of threaded portion less than the signal transmission pole.
8. radio frequency communication devices according to claim 1 is characterized in that: also be provided with the circuit board supporting bracket between said cavity or said cover plate and the said circuit board.
9. according to any described radio frequency communication devices of claim 1 to 8, it is characterized in that: radio frequency communication devices is cavity body filter, power splitter, mixer or power amplifier.
CN 201120032731 2011-01-30 2011-01-30 Radio frequency communication equipment Expired - Fee Related CN202178353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120032731 CN202178353U (en) 2011-01-30 2011-01-30 Radio frequency communication equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201120032731 CN202178353U (en) 2011-01-30 2011-01-30 Radio frequency communication equipment
PCT/CN2012/070544 WO2012100706A1 (en) 2011-01-30 2012-01-18 Cavity filter and radio frequency communication equipment

Publications (1)

Publication Number Publication Date
CN202178353U true CN202178353U (en) 2012-03-28

Family

ID=45868220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120032731 Expired - Fee Related CN202178353U (en) 2011-01-30 2011-01-30 Radio frequency communication equipment

Country Status (2)

Country Link
CN (1) CN202178353U (en)
WO (1) WO2012100706A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103107389A (en) * 2012-11-16 2013-05-15 深圳市大富科技股份有限公司 Cavity filter
CN106785425A (en) * 2016-11-30 2017-05-31 惠州Tcl移动通信有限公司 The antenna attachment structure and mobile terminal of a kind of mobile terminal, mobile phone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003307208A (en) * 2002-02-13 2003-10-31 Murata Mfg Co Ltd Screw fixture, high frequency apparatus using same and its characteristic adjusting method
CN101546857B (en) * 2009-04-21 2012-11-07 华为技术有限公司 A medium resonator and its assembling method, medium filter
CN201708229U (en) * 2010-03-30 2011-01-12 深圳市大富科技股份有限公司 Cavity filter and filter cavity
CN101807736B (en) * 2010-04-12 2013-07-03 深圳市大富科技股份有限公司 Cavity filter, cavity filter cover plate and tuning screw self-locking device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103107389A (en) * 2012-11-16 2013-05-15 深圳市大富科技股份有限公司 Cavity filter
CN106785425A (en) * 2016-11-30 2017-05-31 惠州Tcl移动通信有限公司 The antenna attachment structure and mobile terminal of a kind of mobile terminal, mobile phone
CN106785425B (en) * 2016-11-30 2020-04-10 惠州Tcl移动通信有限公司 Antenna connection structure of mobile terminal, mobile terminal and mobile phone

Also Published As

Publication number Publication date
WO2012100706A1 (en) 2012-08-02

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

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

Patentee after: Shenzhen Tat Fook Technology Co., Ltd.

Address before: 518108 Bao'an District, Shenzhen City, Guangdong Province, Shiyan Town, love group with the rich industrial area A \ B Dong

Patentee before: Shenzhen Tat Fook Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120328

Termination date: 20180130