CN204632890U - Cavity body filter, connector, duplexer, radio frequency remote equipment - Google Patents
Cavity body filter, connector, duplexer, radio frequency remote equipment Download PDFInfo
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- CN204632890U CN204632890U CN201420872713.2U CN201420872713U CN204632890U CN 204632890 U CN204632890 U CN 204632890U CN 201420872713 U CN201420872713 U CN 201420872713U CN 204632890 U CN204632890 U CN 204632890U
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- connector
- kink
- cavity body
- public relations
- chamber
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Abstract
The utility model discloses a kind of cavity body filter, connector, duplexer, radio frequency remote equipment, cavity body filter comprises cavity, cavity is by the multiple sub-chamber of isolation bar gap-forming, resonant column is provided with in sub-chamber, the sidewall in sub-chamber is provided with the installing hole being parallel to resonant column, be provided with connector in installing hole, connector is connected with resonant column by tap; The sidewall in sub-chamber is provided with the connectivity slot being communicated with installing hole, and the diameter of connectivity slot is less than the diameter of installing hole, and connector is in " L " shape, and have the kink stretched into from connectivity slot in sub-chamber, kink welds with tap sheet.By the way, the utility model reduce engine can add operation, reduces costs, and reduces material, reduces welding difficulty, improves efficiency of assembling.
Description
Technical field
The present invention relates to communication equipment field, particularly relate to a kind of cavity body filter, connector, duplexer, radio frequency remote equipment.
Background technology
Cavity body filter is widely used in the communications field as a kind of frequency selection device, especially field of radio frequency communication.In a base station, filter for selecting signal of communication, the clutter outside filtering communication signal frequency or interference signal.
As shown in Figure 1, existing cavity body filter 10 generally comprises cavity 11, connector 12 and tap sheet 13, and connector 12 is fixed on the inwall of cavity 11, and connector 12 comprises vertical connecting rod 14, and connecting rod 14 is welded to connect with one end of tap sheet 13.Weld 15 is positioned at the below of connector 12, is not directly communicated with the external world, makes, when welding, because insufficient space need drill through screwed hole at the cavity back side, to weld from the back side, and close with cap liner 16 after welding.Thus result in the increase of cavity operation, material increases and welding difficulty, affects efficiency of assembling etc.
Summary of the invention
The technical problem that the present invention solves provides a kind of cavity body filter, connector, duplexer, radio frequency remote equipment, reduce engine can add operation, reduce costs, and reduces material, reduces welding difficulty, improve efficiency of assembling.
For solving the problems of the technologies described above, the invention provides a kind of cavity body filter, cavity body filter comprises cavity, cavity is by the multiple sub-chamber of isolation bar gap-forming, resonant column is provided with in sub-chamber, the sidewall in sub-chamber is provided with the installing hole being parallel to resonant column, is provided with connector in installing hole, and connector is connected with resonant column by tap; The sidewall in sub-chamber is provided with the connectivity slot being communicated with installing hole, and the diameter of connectivity slot is less than the diameter of installing hole, and connector is in " L " shape, and have the kink stretched into from connectivity slot in sub-chamber, kink welds with tap sheet.
Wherein, connector also comprises Public Relations Department, and the pars intermedia between Public Relations Department and kink, the aerial lug of Public Relations Department's grafting and connector male and female each other.
Wherein, the outer peripheral face of pars intermedia is provided with annular knurl, and connector is fixedly connected with installing hole by annular knurl.
Wherein, one end of installing hole is provided with the draw-in groove of accommodating Public Relations Department, and sheathed pressure ring in Public Relations Department, Public Relations Department is fixed in draw-in groove by pressure ring.
Wherein, the outer peripheral face of Public Relations Department is provided with the boss radially stretched out, and pressure ring is threaded or interference fit with the inner peripheral surface of draw-in groove, boss is connected to the bottom of draw-in groove.
Wherein, tap sheet is in " Γ " shape, and its one end is connected with resonator is vertical, and the other end is connected with kink is vertical.
Wherein, tap sheet is provided with the spliced eye receiving kink.
For solving the problems of the technologies described above, the invention provides a kind of connector, comprising Public Relations Department, kink, and the pars intermedia between Public Relations Department and kink, kink welds with tap sheet, the aerial lug of Public Relations Department's grafting and connector male and female each other.
For solving the problems of the technologies described above, the invention provides a kind of duplexer, comprise receiving filter and emission filter, receiving filter is connected between receiving terminal and antenna terminal, emission filter is connected to and sends between terminal and antenna terminal, and receiving filter and emission filter are aforesaid cavity body filter.
For solving the problems of the technologies described above, the invention provides a kind of radio frequency remote equipment, comprise radio-frequency (RF) transceiver module, power amplifier module and aforesaid duplexer, radio-frequency (RF) transceiver module is connected with power amplifier module, and power amplifier module is connected with duplexer.
For solving the problems of the technologies described above, the invention provides a kind of signal receiving/transmission device, comprising aforesaid duplexer, being connected with reception antenna, and selecting to received signal; Radio frequency low-noise amplifier, is connected with the signal output part of duplexer; Circulator, is connected with the signal output part of low noise amplifier; Mixer, is connected with circulator; Radio-frequency power amplifier, input is connected with the signal output part of mixer, and output is connected with duplexer; Transmitting antenna, receives the output signal of duplexer and is launched by signal.
For solving the problems of the technologies described above, the invention provides a kind of tower amplifier, comprising low noise amplifier and band pass filter, band pass filter is aforesaid duplexer.
Pass through such scheme, the invention has the beneficial effects as follows: by by connector in " L " shape, there is the kink stretched into from connectivity slot in sub-chamber, kink welds with tap sheet, make connector can extend the place that in cavity, welding space is enough like this to weld with tap sheet, do not need to drill through screwed hole to weld at the cavity back side as prior art, and close with cap liner after welding, reduce engine can add operation, reduce costs, reduce material, reduce welding difficulty, improve efficiency of assembling.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the cavity body filter of prior art;
Fig. 2 is the cross-sectional view of the cavity body filter of the embodiment of the present invention;
Fig. 3 is the structural representation of the connector of the embodiment of the present invention;
Fig. 4 is the structural representation of the duplexer of the embodiment of the present invention;
Fig. 5 is the structural representation of the radio frequency remote equipment of the embodiment of the present invention;
Fig. 6 is the structural representation of the signal receiving/transmission device of the embodiment of the present invention;
Fig. 7 is the structural representation of the tower amplifier of the embodiment of the present invention.
Embodiment
Refer to Fig. 2, Fig. 2 is the cross-sectional view of the cavity body filter of the embodiment of the present invention.As shown in Figure 2, cavity body filter 20 comprises: cavity 21 and connector 22, cavity 21 is by the multiple sub-chamber 24 of isolation bar 23 gap-forming, resonant column 25 is provided with in sub-chamber 24, the sidewall in sub-chamber 24 is provided with the installing hole 26 being parallel to resonant column 25, be provided with connector 22 in installing hole 26, connector 22 is connected with resonant column 25 by tap 27.The sidewall in sub-chamber 24 is provided with the connectivity slot 261 being communicated with installing hole 26, and the diameter of connectivity slot 261 is less than the diameter of installing hole 26, and connector 22 is in " L " shape, and have the kink 221 stretched into from connectivity slot 261 in sub-chamber 24, kink 221 welds with tap sheet 27.Make it possible to connector 22 be extended in sub-chamber 24 and weld enough places, space and weld with tap sheet 27, reduce engine can add operation, reduce costs, reduce material, reduce welding difficulty, improve efficiency of assembling.
In embodiment more specifically, connector also comprises Public Relations Department 222, and the pars intermedia 223 between Public Relations Department 222 and kink 221, the aerial lug of Public Relations Department 222 grafting and connector 22 male and female each other.The outer peripheral face of pars intermedia 223 is provided with annular knurl, and connector 22 is fixedly connected with installing hole 26 by annular knurl.One end of installing hole 26 is provided with the draw-in groove 29 of accommodating Public Relations Department 222, and sheathed pressure ring 28 in Public Relations Department 222, Public Relations Department 222 is fixed in draw-in groove 29 by pressure ring 28.The outer peripheral face of Public Relations Department 222 is provided with the boss 224 radially stretched out, and pressure ring 28 is threaded or interference fit with the inner peripheral surface of draw-in groove 29, boss 224 is connected to the bottom of draw-in groove 29.
Tap sheet 27 is in " Γ " shape, and its one end is connected with resonant column 25 is vertical, and the other end is connected with kink 221 is vertical.Tap sheet 27 is provided with the spliced eye 271 receiving kink 221.There are enough welding spaces in sub-chamber 24, during welding, soldering appliance directly can put in from sub-chamber 24 openend and weld, do not need the back side of large cavity filter as in the prior art to drill through screwed hole to weld, and close with cap liner after welding, reduce engine can add operation, reduce costs, reduce material, reduce welding difficulty, improve efficiency of assembling.
Fig. 3 is the structural representation of the connector of the utility model embodiment.As shown in Figure 3, connector 22 is in " L " shape, comprise kink 221, Public Relations Department 222 and the pars intermedia between Public Relations Department 222 and kink 221 223, kink 221 welds with tap sheet 27, the aerial lug of Public Relations Department 222 grafting and connector 32 male and female each other.The outer peripheral face of Public Relations Department 222 is provided with the boss 224 radially stretched out, during for connector 22 being mounted to cavity body filter at sheathed pressure ring boss 224 to be connected to the bottom of draw-in groove.The outer peripheral face of pars intermedia 223 is provided with annular knurl 225, is fixedly connected with during for connector 22 being mounted to cavity body filter by annular knurl 225 with installing hole.Connector 22 is connected with resonant column 25 by tap 27.In embodiments of the present invention, can by the welding position of adjustment kink 221 with tap sheet 27 when connector 22 being mounted to cavity body filter, reduce engine adds operation, reduces costs, and reduces material, reduces welding difficulty, improves efficiency of assembling.
Fig. 4 is the structural representation of the duplexer of the utility model embodiment.As shown in Figure 4, duplexer 30 comprises receiving filter 31 and emission filter 32, receiving filter 31 is connected between receiving terminal 33 and antenna terminal 34, emission filter 32 is connected to and sends between terminal 35 and antenna terminal 33, wherein, receiving filter 31 and emission filter 32 are the cavity body filter in Fig. 2.
Fig. 5 is the structural representation of the radio frequency remote equipment of the utility model embodiment.As shown in Figure 5, radio frequency remote equipment 40 comprises radio frequency transceiver module 41, power amplifier module 42, power module 43 and aforesaid duplexer 30, and radio frequency transceiver module 41 is connected with power amplifier module 42, and power amplifier module 42 is connected with duplexer 30.Each part that power module 43 is radio frequency remote equipment 40 provides power supply.
Fig. 6 is the structural representation of the signal receiving/transmission device of the utility model embodiment.As shown in Figure 6, signal receiving/transmission device 50 comprises aforesaid duplexer 30, is connected, and selects to received signal with reception antenna 54; Radio frequency low-noise amplifier 51, is connected with the signal output part of duplexer 30; Circulator 53, is connected with the signal output part of low noise amplifier 51; Mixer 56, is connected with circulator 53; Radio-frequency power amplifier 52, input is connected with the signal output part of mixer 56, and output is connected with duplexer 30; Transmitting antenna 55, receives the output signal of duplexer 30 and is launched by signal.
Fig. 7 is the structural representation of the tower amplifier of the utility model embodiment.As shown in Figure 7, tower amplifier 60 comprises low noise amplifier 61 and band pass filter 62.The signal that antenna end 63 receives carries out signal amplification at low noise amplifier 61 after band pass filter 62, then transfers to follow-up signal processing unit 64 after greenbelt bandpass filter 62 filtering and process.Follow-up signal processing unit 64 utilizes band pass filter 62 filtering after needing the signal sent to process, and is then sent by antenna end 63.Wherein band pass filter 61 is aforesaid duplexer 30.
In sum, the utility model by by connector in " L " shape, have the kink stretched into from connectivity slot in sub-chamber, kink welds with tap sheet, make connector can extend the place that in cavity, welding space is enough like this to weld with tap sheet, do not need to drill through screwed hole to weld at the cavity back side as prior art, and close with cap liner after welding, reduce engine can add operation, reduce costs, reduce material, reduce welding difficulty, improve efficiency of assembling.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a cavity body filter, it is characterized in that, comprise cavity, described cavity is by the multiple sub-chamber of isolation bar gap-forming, resonant column is provided with in described sub-chamber, the sidewall in described sub-chamber is provided with the installing hole being parallel to described resonant column, is provided with connector in described installing hole, and described connector is connected with described resonant column by tap;
The sidewall in described sub-chamber is provided with the connectivity slot being communicated with described installing hole, the diameter of described connectivity slot is less than the diameter of described installing hole, described connector is in " L " shape, and have the kink stretched into from described connectivity slot in described sub-chamber, described kink welds with tap sheet.
2. cavity body filter according to claim 1, is characterized in that, described connector also comprises Public Relations Department, and the pars intermedia between described Public Relations Department and described kink, the aerial lug of the grafting of described Public Relations Department and described connector male and female each other.
3. cavity body filter according to claim 2, is characterized in that, the outer peripheral face of described pars intermedia is provided with annular knurl, and described connector is fixedly connected with described installing hole by annular knurl.
4. cavity body filter according to claim 2, is characterized in that, one end of installing hole is provided with the draw-in groove of accommodating described Public Relations Department, and sheathed pressure ring in described Public Relations Department, described Public Relations Department is fixed in described draw-in groove by described pressure ring.
5. cavity body filter according to claim 4, it is characterized in that, the outer peripheral face of described Public Relations Department is provided with the boss radially stretched out, and described pressure ring is threaded or interference fit with the inner peripheral surface of described draw-in groove, described boss is connected to the bottom of described draw-in groove.
6. the cavity body filter according to claim 1 to 5 any one, is characterized in that, described tap sheet is in " Γ " shape, and its one end is connected with resonator is vertical, and the other end is connected with described kink is vertical.
7. the cavity body filter according to claim 6 any one, is characterized in that, described tap sheet is provided with the spliced eye receiving described kink.
8. a connector, is characterized in that: comprise Public Relations Department, kink, and the pars intermedia between described Public Relations Department and described kink, and described kink welds with tap sheet, the aerial lug of the grafting of described Public Relations Department and described connector male and female each other.
9. a duplexer, it is characterized in that: comprise receiving filter and emission filter, described receiving filter is connected between receiving terminal and antenna terminal, described emission filter is connected to and sends between terminal and described antenna terminal, it is characterized in that, described receiving filter and emission filter are the cavity body filter described in claim 1-7 any one.
10. a radio frequency remote equipment, is characterized in that: comprise radio-frequency (RF) transceiver module, power amplifier module and duplexer according to claim 9, and described radio-frequency (RF) transceiver module is connected with described power amplifier module, and described power amplifier module is connected with described duplexer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872713.2U CN204632890U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter, connector, duplexer, radio frequency remote equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872713.2U CN204632890U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter, connector, duplexer, radio frequency remote equipment |
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| CN204632890U true CN204632890U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420872713.2U Active CN204632890U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter, connector, duplexer, radio frequency remote equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785269A (en) * | 2017-01-22 | 2017-05-31 | 深圳市国人射频通信有限公司 | One kind is electrically coupled port organization and cavity body filter |
| CN107004932A (en) * | 2014-12-31 | 2017-08-01 | 深圳市大富科技股份有限公司 | Cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier |
| CN107123843A (en) * | 2017-06-20 | 2017-09-01 | 深圳市国人射频通信有限公司 | A kind of wave filter |
| CN112703637A (en) * | 2018-06-12 | 2021-04-23 | 株式会社Kmw | Cavity filter and connector comprising same |
-
2014
- 2014-12-31 CN CN201420872713.2U patent/CN204632890U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107004932A (en) * | 2014-12-31 | 2017-08-01 | 深圳市大富科技股份有限公司 | Cavity body filter, connector, duplexer, radio frequency remote equipment, signal receiving/transmission device and tower amplifier |
| CN106785269A (en) * | 2017-01-22 | 2017-05-31 | 深圳市国人射频通信有限公司 | One kind is electrically coupled port organization and cavity body filter |
| CN106785269B (en) * | 2017-01-22 | 2020-09-22 | 深圳国人科技股份有限公司 | Electric coupling port structure and cavity filter |
| CN107123843A (en) * | 2017-06-20 | 2017-09-01 | 深圳市国人射频通信有限公司 | A kind of wave filter |
| CN112703637A (en) * | 2018-06-12 | 2021-04-23 | 株式会社Kmw | Cavity filter and connector comprising same |
| CN112703637B (en) * | 2018-06-12 | 2022-11-29 | 株式会社Kmw | Cavity filter and connector comprising same |
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| GR01 | Patent grant |