CN107004932A - Cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier - Google Patents
Cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier Download PDFInfo
- Publication number
- CN107004932A CN107004932A CN201480083457.1A CN201480083457A CN107004932A CN 107004932 A CN107004932 A CN 107004932A CN 201480083457 A CN201480083457 A CN 201480083457A CN 107004932 A CN107004932 A CN 107004932A
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- connector
- duplexer
- filter
- cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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Abstract
The invention discloses a kind of cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier, cavity body filter includes cavity, cavity forms many sub- chambers by isolation bar interval, sub- intracavitary is provided with resonant column, the side wall of sub- chamber is provided with the mounting hole parallel to resonant column, connector is provided with mounting hole, connector is connected by tap with resonant column；The side wall of sub- chamber is communicated with the connectivity slot of mounting hole, and connector is in " L " shape, and with the kink that sub- intracavitary is stretched into from connectivity slot, kink is welded with tap piece.By the above-mentioned means, the present invention can reduce machining sequence, cost is reduced, material is reduced, welding difficulty is reduced, efficiency of assembling is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of communication equipment, in particular to a cavity filter, a connector, a duplexer, radio frequency remote equipment, a signal receiving and transmitting device and a tower top amplifier.
[ background of the invention ]
The cavity filter is widely applied to the field of communication as a frequency selection device, in particular to the field of radio frequency communication. In a base station, a filter is used to select a communication signal and filter out clutter or interference signals outside the frequency of the communication signal.
As shown in fig. 1, the conventional cavity filter 10 generally includes a cavity 11, a connector 12 and a tap piece 13, wherein the connector 12 is fixed on an inner wall of the cavity 11, the connector 12 includes a vertical connecting rod 14, and the connecting rod 14 is welded to one end of the tap piece 13. The weld 15 is located below the connector 12 and is not directly connected to the outside, so that during welding, a threaded hole needs to be drilled through the back of the cavity due to insufficient space, welding is performed from the back, and the seal is closed by the seal piece 16 after welding. Thereby leading to the cavity process increase, the material increases and the welding is difficult, influences assembly efficiency etc..
[ summary of the invention ]
The invention solves the technical problem of providing a cavity filter, a connector, a duplexer, radio frequency remote equipment, a signal transceiver and a tower top amplifier, which can reduce machining procedures, reduce cost, reduce materials, reduce welding difficulty and improve assembly efficiency.
In order to solve the technical problem, the invention provides a cavity filter which comprises a cavity, wherein the cavity is formed into a plurality of sub-cavities at intervals by isolation ribs, resonance columns are arranged in the sub-cavities, mounting holes parallel to the resonance columns are formed in the side walls of the sub-cavities, connectors are arranged in the mounting holes and connected with the resonance columns through taps; the lateral wall of sub-chamber is equipped with the intercommunication groove of intercommunication mounting hole, and the connector is "L" form, has the kink that stretches into the sub-intracavity from the intercommunication groove, and the kink welds with the piece of taking a percentage.
Wherein, the connector still includes outer portion of ally oneself with to and be located the intermediate part between outer portion of ally oneself with and the kink, outer portion of ally oneself with pegs graft and the connector each other is public female external connector.
Wherein, the periphery of intermediate portion is equipped with the knurling, and the connector passes through knurling and mounting hole fixed connection.
Wherein, the one end of mounting hole is equipped with the draw-in groove of holding external portion of ally oneself with, and the clamping ring is established to the cover in the external portion of ally oneself with, and external portion of ally oneself with passes through the clamping ring to be fixed in the draw-in groove.
The outer peripheral surface of the outer connection part is provided with a boss extending outwards along the radial direction, and the pressing ring is in threaded connection or interference fit with the inner peripheral surface of the clamping groove and abuts against the boss at the bottom of the clamping groove.
The tap piece is in a shape of inverted L, one end of the tap piece is vertically connected with the resonator, and the other end of the tap piece is vertically connected with the bent part.
Wherein, the tap piece is provided with a plug hole for receiving the bending part.
In order to solve the above technical problems, the present invention provides a connector, including an external connection portion, a bending portion, and a middle portion located between the external connection portion and the bending portion, wherein the bending portion is welded to a tap piece, and the external connection portion is plugged into the connector to form an external connector which is male and female.
In order to solve the above technical problem, the present invention provides a duplexer, which includes a receiving filter and a transmitting filter, wherein the receiving filter is connected between a receiving terminal and an antenna terminal, the transmitting filter is connected between a transmitting terminal and the antenna terminal, and the receiving filter and the transmitting filter are the cavity filter.
In order to solve the technical problem, the invention provides a radio remote device, which comprises a radio frequency transceiver module, a power amplifier module and the duplexer, wherein the radio frequency transceiver module is connected with the power amplifier module, and the power amplifier module is connected with the duplexer.
In order to solve the above technical problem, the present invention provides a signal transceiver, including the above duplexer, connected to a receiving antenna, and selecting a received signal; the radio frequency low noise amplifier is connected with the signal output end of the duplexer; the circulator is connected with the signal output end of the low-noise amplifier; the combiner is connected with the circulator; the input end of the radio frequency power amplifier is connected with the signal output end of the combiner, and the output end of the radio frequency power amplifier is connected with the duplexer; and the transmitting antenna receives the output signal of the duplexer and transmits the signal.
In order to solve the above technical problem, the present invention provides a tower top amplifier, which includes a low noise amplifier and a band pass filter, where the band pass filter is the above duplexer.
Through the scheme, the invention has the beneficial effects that: through being "L" form with the connector, have the kink that stretches into the subchamber from the intercommunication groove, the kink with take a percentage the piece welding, make the connector can stretch to the sufficient place in cavity welding space and take a percentage the piece welding like this, need not bore through screw hole in order to weld at the cavity back like prior art to seal with the closing foil after the welding, can reduce the machining preface, reduce cost reduces the material, reduces the welding degree of difficulty, improves assembly efficiency.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a prior art cavity filter;
FIG. 2 is a schematic cross-sectional view of a cavity filter according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a connector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a duplexer of an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a radio remote device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a signal transceiver according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a tower top amplifier according to an embodiment of the present invention.
[ detailed description ] embodiments
Referring to fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a cavity filter according to an embodiment of the invention. As shown in fig. 2, the cavity filter 20 includes: cavity 21 and connector 22, cavity 21 are equipped with resonance column 25 by a plurality of sub-chambeies 24 of isolation 23 interval formation in the sub-chamber 24, and the lateral wall of sub-chamber 24 is equipped with the mounting hole 26 that is on a parallel with resonance column 25, is equipped with connector 22 in the mounting hole 26, and connector 22 is connected with resonance column 25 through taking a percentage 27. The lateral wall of subchamber 24 is equipped with the intercommunication groove of intercommunication mounting hole 26, and connector 22 is "L" form, has the kink 221 that stretches into subchamber 24 from the intercommunication groove, and kink 221 and the piece 27 that takes a percentage are welded. Make can extend connector 22 to sub cavity 24 in the enough place of welding space with take a percentage piece 27 welding, can reduce the machining preface, reduce cost reduces the material, reduces the welding degree of difficulty, improves assembly efficiency.
In a more specific embodiment, the connector further includes an external coupling portion 222, and an intermediate portion 223 between the external coupling portion 222 and the bent portion 221, the external coupling portion 222 being plugged into an external connector that is male and female with respect to the connector 22. The outer peripheral surface of the intermediate portion 223 is provided with knurling, and the connector 22 is fixedly connected to the mounting hole 26 by the knurling. One end of the mounting hole 26 is provided with a clamping groove 29 for accommodating the external connection part 222, the external connection part 222 is sleeved with the pressing ring 28, and the external connection part 222 is fixed in the clamping groove 29 through the pressing ring 28. The outer peripheral surface of the outer coupling portion 222 is provided with a boss 224 extending outward in the radial direction, and the press ring 28 is in threaded connection or interference fit with the inner peripheral surface of the card slot 29 to abut the boss 224 against the bottom of the card slot 29.
The tap piece 27 is in the shape of a t, one end of which is perpendicularly connected to the resonant post 25 and the other end of which is perpendicularly connected to the bent portion 221. The tap piece 27 is provided with an insertion hole 271 for receiving the bent portion 221. Sub-chamber 24 has sufficient welding space, and during the welding, welding tool can directly stretch into from sub-chamber 24 open end and weld, need not bore through screw hole in order to weld as big cavity filter's the back as prior art to seal with the gasket after the welding, can reduce the machining preface, reduce cost reduces the material, reduces the welding degree of difficulty, improves assembly efficiency.
Fig. 3 is a schematic structural diagram of a connector according to an embodiment of the present invention. As shown in fig. 3, the connector 22 is L-shaped, and includes a bent portion 221, an outer connecting portion 222, and an intermediate portion 223 located between the outer connecting portion 222 and the bent portion 221, the bent portion 221 is welded to the tap piece 27, and the outer connecting portion 222 is plugged into the connector 32 to form a male-female external connector. The outer peripheral surface of the outer coupling portion 222 is provided with a boss 224 extending outward in the radial direction, so that when the connector 22 is mounted to the cavity filter, the press ring is sleeved to abut the boss 224 against the bottom of the card slot. The outer peripheral surface of the intermediate portion 223 is provided with knurling 225 for fixedly connecting with the mounting hole by the knurling 225 when the connector 22 is mounted to the cavity filter. The connector 22 is connected to the resonant column 25 by a tap 27. In the embodiment of the present invention, when the connector 22 is mounted to the cavity filter, the welding position between the bending portion 221 and the tap piece 27 can be adjusted, so as to reduce the machining process, reduce the cost, reduce the material consumption, reduce the welding difficulty, and improve the assembly efficiency.
Fig. 4 is a schematic structural diagram of a duplexer according to an embodiment of the present invention. As shown in fig. 4, the duplexer 30 includes a receiving filter 31 and a transmitting filter 32, the receiving filter 31 is connected between a receiving terminal 33 and an antenna terminal 34, and the transmitting filter 32 is connected between a transmitting terminal 35 and the antenna terminal 33, wherein the receiving filter 31 and the transmitting filter 32 are the cavity filters in fig. 2.
Fig. 5 is a schematic structural diagram of a radio remote device according to an embodiment of the present invention. As shown in fig. 5, the remote radio device 40 includes a radio transceiver module 41, a power amplifier module 42, a power supply module 43, and the duplexer 30, where the radio transceiver module 41 is connected to the power amplifier module 42, and the power amplifier module 42 is connected to the duplexer 30. The power module 43 supplies power to the components of the remote radio device 40.
Fig. 6 is a schematic structural diagram of a signal transceiver according to an embodiment of the present invention. As shown in fig. 6, the signal transceiver 50 includes the aforementioned duplexer 30, is connected to the receiving antenna 54, and selects a received signal; a radio frequency low noise amplifier 51 connected to the signal output terminal of the duplexer 30; a circulator 53 connected to a signal output terminal of the low noise amplifier 51; a combiner 56 connected to the circulator 53; a radio frequency power amplifier 52, the input end of which is connected with the signal output end of the combiner 56, and the output end of which is connected with the duplexer 30; and a transmitting antenna 55 for receiving the output signal of the duplexer 30 and transmitting the signal.
Fig. 7 is a schematic structural diagram of a tower top amplifier according to an embodiment of the present invention. As shown in fig. 7, the tower top amplifier 60 includes a low noise amplifier 61 and a band pass filter 62. The signal received by the antenna end 63 is subjected to signal amplification in the low noise amplifier 61 after passing through the band pass filter 62, and then the signal is transmitted to the subsequent signal processing unit 64 for processing after being filtered by the green band pass filter 62. The subsequent signal processing unit 64 processes the signal to be transmitted, filters the signal by the band-pass filter 62, and transmits the signal through the antenna end 63. Wherein the band pass filter 61 is the aforementioned duplexer 30.
To sum up, the utility model discloses a be "L" form with the connector, have the kink that stretches into the sublumen from the intercommunication groove, the kink with take a percentage the piece welding, make the connector can stretch to the sufficient place in cavity welding space and take a percentage the piece welding like this, need not bore through screw hole in order to weld at the cavity back like prior art to seal with the closing plate after the welding, can reduce the machining preface, reduce cost reduces the material, reduces the welding degree of difficulty, improves assembly efficiency.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
- A cavity filter is characterized by comprising a cavity, wherein a plurality of sub cavities are formed in the cavity at intervals by isolation ribs, resonant columns are arranged in the sub cavities, mounting holes parallel to the resonant columns are formed in the side walls of the sub cavities, connectors are arranged in the mounting holes, and the connectors are connected with the resonant columns through taps;the lateral wall of sub-chamber is equipped with the intercommunication groove of intercommunication the mounting hole, the connector is "L" form, has the follow the intercommunication groove stretches into the kink in the sub-chamber, the kink with take a percentage the piece welding.
- The cavity filter of claim 1, wherein the connector further comprises an external connection portion, and an intermediate portion between the external connection portion and the bent portion, and the external connection portion is plugged into an external connector which is male and female with the connector.
- The cavity filter of claim 2, wherein the intermediate portion is knurled on an outer peripheral surface thereof, and the connector is fixedly connected to the mounting hole by the knurling.
- The filter according to claim 2, wherein a clamping groove for accommodating the external connection part is formed at one end of the mounting hole, a pressing ring is sleeved on the external connection part, and the external connection part is fixed in the clamping groove through the pressing ring.
- The filter according to claim 4, wherein the outer circumferential surface of the outer coupling portion is provided with a boss extending outward in the radial direction, and the press ring is in threaded connection or interference fit with the inner circumferential surface of the card slot to abut against the boss at the bottom of the card slot.
- The cavity filter according to any one of claims 1 to 5, wherein the tap piece has a shape of "Γ", and one end of the tap piece is vertically connected to the resonator and the other end is vertically connected to the bent portion.
- The cavity filter of claim 6, wherein the tap piece is provided with a plug hole for receiving the bent portion.
- A connector, characterized by: the connector comprises an external connection part, a bent part and a middle part between the external connection part and the bent part, wherein the bent part is welded with a tap piece, and the external connection part is inserted into the connector and is an external connector which is male and female.
- A duplexer, characterized in that: comprising a receive filter and a transmit filter, said receive filter being connected between a receive terminal and an antenna terminal and said transmit filter being connected between a transmit terminal and said antenna terminal, characterized in that said receive filter and transmit filter are cavity filters according to any of claims 1-7.
- A radio remote unit, characterized by: comprising a radio frequency transceiver module, a power amplifier module and the duplexer of claim 9, wherein the radio frequency transceiver module is connected with the power amplifier module, and the power amplifier module is connected with the duplexer.
- A signal transceiving apparatus, characterized in that:a duplexer comprising the antenna of claim 9 connected to a receive antenna and selecting a received signal;the radio frequency low noise amplifier is connected with the signal output end of the duplexer;the circulator is connected with the signal output end of the low-noise amplifier;the combiner is connected with the circulator;the input end of the radio frequency power amplifier is connected with the signal output end of the combiner, and the output end of the radio frequency power amplifier is connected with the duplexer;and the transmitting antenna receives the output signal of the duplexer and transmits the signal.
- A tower mounted amplifier, comprising: comprising a low noise amplifier and a band pass filter, said band pass filter being the duplexer of claim 9.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095941 WO2016106698A1 (en) | 2014-12-31 | 2014-12-31 | Cavity filter, connector, duplexer, remote radio device, signal transceiving apparatus, and tower mounted amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107004932A true CN107004932A (en) | 2017-08-01 |
Family
ID=56283972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480083457.1A Pending CN107004932A (en) | 2014-12-31 | 2014-12-31 | Cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107004932A (en) |
| WO (1) | WO2016106698A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908665A (en) * | 2010-05-31 | 2010-12-08 | 深圳市大富科技股份有限公司 | Cavity filter, filter cavity and installation method of connector |
| CN201749918U (en) * | 2010-05-31 | 2011-02-16 | 深圳市大富科技股份有限公司 | Cavity filter and filter cavity |
| CN202888362U (en) * | 2012-08-30 | 2013-04-17 | 深圳市大富科技股份有限公司 | Cavity filter and communication radio-frequency device |
| CN203326070U (en) * | 2013-03-26 | 2013-12-04 | 深圳市大富科技股份有限公司 | Cavity filter, radio-frequency zooming-out equipment, signal receiving-transmitting device and tower top amplifier |
| CN204632890U (en) * | 2014-12-31 | 2015-09-09 | 深圳市大富科技股份有限公司 | Cavity body filter, connector, duplexer, radio frequency remote equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601201U (en) * | 2010-02-02 | 2010-10-06 | 南京广顺网络通信设备有限公司 | Communication product connector |
| CN202495562U (en) * | 2012-03-22 | 2012-10-17 | 深圳市大富科技股份有限公司 | Cavity filter |
| CN203721861U (en) * | 2013-12-30 | 2014-07-16 | 成都市大富科技有限公司 | Cavity filter and signal transceiving device |
-
2014
- 2014-12-31 WO PCT/CN2014/095941 patent/WO2016106698A1/en active Application Filing
- 2014-12-31 CN CN201480083457.1A patent/CN107004932A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908665A (en) * | 2010-05-31 | 2010-12-08 | 深圳市大富科技股份有限公司 | Cavity filter, filter cavity and installation method of connector |
| CN201749918U (en) * | 2010-05-31 | 2011-02-16 | 深圳市大富科技股份有限公司 | Cavity filter and filter cavity |
| CN202888362U (en) * | 2012-08-30 | 2013-04-17 | 深圳市大富科技股份有限公司 | Cavity filter and communication radio-frequency device |
| CN203326070U (en) * | 2013-03-26 | 2013-12-04 | 深圳市大富科技股份有限公司 | Cavity filter, radio-frequency zooming-out equipment, signal receiving-transmitting device and tower top amplifier |
| CN204632890U (en) * | 2014-12-31 | 2015-09-09 | 深圳市大富科技股份有限公司 | Cavity body filter, connector, duplexer, radio frequency remote equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016106698A1 (en) | 2016-07-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170801 |