CN207441927U - Radio-frequency devices and its cavity - Google Patents
Radio-frequency devices and its cavity Download PDFInfo
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- CN207441927U CN207441927U CN201721509249.0U CN201721509249U CN207441927U CN 207441927 U CN207441927 U CN 207441927U CN 201721509249 U CN201721509249 U CN 201721509249U CN 207441927 U CN207441927 U CN 207441927U
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- cavity
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- frequency devices
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Abstract
The utility model provides a kind of radio-frequency devices and its cavity.Wherein, radio-frequency devices cavity is surrounded by multiple enclosure walls and limits to install the cavity of radio circuit, the perforation that wherein at least one enclosure wall offers wiring groove and turned on arranged on wiring groove and with the cavity, perforation is offered to the handle hole of the cavity close to the perforation in the enclosure wall adjacent with the wiring groove, the enclosure wall also corresponds to the perforation and sets notch, the notch is extended from the wiring groove edge to the perforation and handle hole, and is connected with the perforation and handle hole.By setting the notch, facilitating the deburring operation at perforation and handle hole and ensureing burr removal effect, while contraposition when transmission cable inner wire is welded with radio circuit is facilitated, drastically increase production efficiency.
Description
Technical field
The utility model is related to microwave device technology field more particularly to a kind of radio-frequency devices cavity and use the RF device
The radio-frequency devices of part cavity.
Background technology
Radio-frequency devices are widely used in communication base station antenna technical field, and the quality of performance can influence entire net
The quality of network covering.
It (is called in the following text in the patent document of Application No. 201410225678X, entitled " cavity type microwave device " with reference to text
Offer) in disclose a kind of cavity of microwave radio device, multiple wiring grooves, each wiring are equipped in the enclosure wall of cavity
Slot is equipped at least one perforation to the first through hole in the cavity；The first through hole is connected up for transmission cable along corresponding
Slot connects up and the first through hole on the wiring groove is passed through to be connected to form connectivity port with the Microwave Net circuit.Its
In, above-mentioned microwave network circuit is specially pcb board, and the outer conductor of transmission cable is welded in the wiring groove, transmission cable
Through after the first through hole, the inner wire is welded on pcb board for inner wire and medium, with first through hole it is corresponding on
Offer handle hole in the top enclosure wall of cavity and the lower section enclosure wall of lower chamber, with facilitate the inner wire of transmission cable with
The input of phase-shift circuit or output port are welded and form electrical connection.
In practical applications, on the one hand, mach aforesaid operations hole is usually smaller on cavity, considerably increases follow-up
The operation difficulty of debarring process, not only the less efficient of deburring, cost are higher, are also difficult to reach preferable deburring effect
Fruit, and the presence of burr often generates intermodulation product, seriously affects the stability of the electricity function index of radio-frequency devices.It is another
Aspect, aforesaid operations hole are often opened in and the corresponding position of pcb board weld groove, it means that past between handle hole and wiring groove
Toward there are a determining deviation, i.e.,：Cavity between wiring groove and handle hole is packaged wall and is blocked；Such structure can cause to transmit
Cable is aligned through inconvenient and handle hole after above-mentioned first through hole, and production efficiency is seriously affected in batch production.
Utility model content
The primary and foremost purpose of the utility model is intended to provide a kind of radio-frequency devices for facilitating burr removal and ensureing removal effect
Cavity.
The another object of the utility model is intended to provide a kind of radio-frequency devices, above-mentioned radio-frequency devices cavity is used, to carry
Processing, packaging efficiency and the electric property of firing frequency device.
To achieve these goals, the utility model provides following technical scheme：
A kind of radio-frequency devices cavity is surrounded by multiple enclosure walls and limits to install the cavity of radio circuit, wherein
The perforation that at least one enclosure wall offers wiring groove and turned on arranged on wiring groove and with the cavity, it is adjacent with the wiring groove
Enclosure wall on close to it is described perforation offer perforation to the cavity handle hole, the enclosure wall also correspond to it is described perforation set
Notch is put, the notch is extended from the wiring groove edge to the perforation and handle hole, and is connected with the perforation and handle hole
It is logical.
Further, the width of the notch matches with the dielectric outer diameter of transmission cable to be connected, to pass
The dielectric is positioned when the outer conductor of defeated cable is welded in wiring groove, inner wire enters through the perforation in cavity.
Further, the width of the notch is 1.5mm~4mm.
Further, the notch is at least equal with the aperture widths perforated in the opening width close to perforation one end.
Further, partition plate is horizontally set in the cavity and the radio-frequency devices cavity is divided into upper cavity and lower chamber, institute
State upper cavity, lower chamber is equipped with the wiring groove, perforation, handle hole and the connection perforation and the handle hole it is described
Notch.
Further, card slot, the card slot edge are offered on the inner wall of a pair of opposing and longitudinally extending enclosure wall
The cavity longitudinally extends and is used to be caught in the side for the circuit substrate for being integrated with the radio circuit.
Preferably, the handle hole is at least one of circular hole, rectangular opening, regular polygon hole and waist-shaped hole.
Preferably, the multiple enclosure wall is integrally formed.
Further, the cavity offers at at least one side of the left and right sides of the close perforation and blocks the cloth
The resistance heating slot of wire casing.
In addition, the utility model further relates to a kind of radio-frequency devices, including above-mentioned radio-frequency devices cavity and arranged on the chamber
In vivo radio circuit.Wherein, the radio circuit include but not limited to phase shifter circuit, filter circuit, power divider circuit,
Coupler circuit, duplexer circuit or combiner circuit.
Compared with the prior art, the embodiment of the utility model has the following advantages：
In the radio-frequency devices cavity of the utility model, equipped with the notch for connecting the perforation and handle hole, on the one hand it can make
Debarring process is easy to operate, is conducive to greatly improve production efficiency and ensures that deburring effect is preferable, so as to reduce deburring
Cost promotes intermodulation index；On the other hand the welding alignment operation of also more convenient transmission cable and radio circuit, it is raw in batch
Production efficiency can be greatlyd improve during production.
Wherein, the gap width adapts to the outer diameter of transmission cable dielectric, so as to avoid jumping for cable,
It advantageously ensures that the welding effect of outer conductor and cavity, inner wire and radio-frequency cable, and then ensures the performance of radio-frequency devices.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the stereogram of the radio-frequency devices cavity of the utility model；
Fig. 2 is the stereogram of the radio-frequency devices of the utility model.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
As depicted in figs. 1 and 2, the radio-frequency devices 100 of the utility model include but not limited to phase shifter, wave filter, duplex
Device, radio frequency amplifier, combiner, power splitter, coupler.It is mainly by radio-frequency devices cavity 1 and in radio-frequency devices cavity 1
Radio circuit 2 to handle radiofrequency signal forms.Radio circuit 2 includes but not limited to phase shifter circuit, filter circuit, work(
Divide device circuit, coupler circuit, duplexer circuit or combiner circuit.Illustrate that this practicality is new by taking the cavity of phase shifter as an example below
The structure of the radio-frequency devices cavity 1 of type.
Referring to Fig. 1, the cavity 1 is surrounded by multiple enclosure walls 11, has the cavity 10 at connection longitudinally both ends, institute
Cavity 10 is stated for installing phase-shift circuit (not shown) and medium element (not shown), and for the medium element along lengthwise side
To linear motion.It should be appreciated that when radio-frequency devices are other radio-frequency devices in addition to phase shifter, set in cavity 10
It should be corresponding radio circuit.Preferably, the multiple enclosure wall 11, which is integrally formed, is set, and to improve production efficiency, saves into
This.
Wiring groove 12 is offered at least one enclosure wall 11, width adapts to the outer conductor 31 of transmission cable 3,
For welding the outer conductor 31 of transmission cable and blocking outer conductor 31 in the inner.It is offered at the wiring groove 12 described in perforation
Enclosure wall 11 and with the perforation 13 of the cavity 10 conducting, 13 stretched into via the perforation for the inner wire 33 of transmission cable 3
The cavity 10 is electrically connected with phase-shift circuit, for example is welded.The enclosure wall 11 adjacent with the wiring groove 12 is also close
Open up handle hole 14 at the position of the perforation 13, in order to by handle hole 14 in the junction of inner wire 33 and phase-shift circuit
Addition solder simultaneously welds the two.
It is also set up in the enclosure wall 11 and connects the perforation 13 and the notch 15 of the handle hole 14,15 edge of notch
12 edge of wiring groove extends to the perforation 13 and the handle hole 14 and is connected with the two.
In the radio-frequency devices cavity 1 of the utility model, on the one hand the setting of the notch 15 can operate deburring operation
It is convenient, be conducive to greatly improve production efficiency and ensure that deburring effect is preferable, so as to reduce deburring cost, promote intermodulation and refer to
Mark；On the other hand the welding alignment operation of also more convenient transmission cable 3 and radio circuit 2, can be greatly in batch production
Improve production efficiency.
Further, the width of the notch 15 and 32 size of dielectric of the transmission cable 3 match, with positioning
The dielectric 32, prevents jumping for transmission cable 3, advantageously ensures that outer conductor 31 and cavity 1, inner wire 33 and radio frequency electrical
The welding effect on road 2, and then ensure the performance of radio-frequency devices 100.
Preferably, it is adapted to the dielectric 32 of the transmission cable 3 of various outer diameter, the width of the notch 15 is not less than institute
State the diameter of perforation 13.Preferably, the width in 1.5mm between 4mm, and further preferably the width in 1.8mm extremely
Between 3mm；For common 3 size of transmission cable, it is preferable fixed that dielectric 32 can be played using the width range
Position effect, while learnt through applicant's test of many times, facilitate deburring that can simultaneously obtain preferably using the notch 15 of the width range
Deburring effect.
It is preferred that notch 15 is at least equal with the aperture widths of perforation 13 in the opening width close to 13 one end of perforation.It lacks
It is preferably seamlessly transitted between mouth 15 and perforation 13.
It can so make perforation 13 that can also play certain locating effect, and more convenient carry out burr to dielectric 32
Removal technique, to improve deburring effect.
Further, the cavity 1 offers at at least one side of the left and right sides of the close perforation 13 and blocks institute
The resistance heating slot 16 of wiring groove 12 is stated, for the scolding tin at solder joint to be avoided to be flowed along the wiring groove 12, and then ensures the matter of solder joint
Amount and raising uniformity.
Preferably, card slot (non-label, similarly hereinafter) is offered on 11 inner wall of enclosure wall of a pair of opposite Longitudinal extending, it is described
Card slot extends along longitudinally, to be advantageously integrated the installation of the circuit substrate of phase-shift circuit.Specifically, the circuit substrate
Two sides be stuck in the card slot.
Further, partition plate 17 is horizontally set in the cavity 10 and the radio-frequency devices cavity 1 is divided into upper cavity and cavity of resorption
Body, the upper cavity, lower chamber are equipped with the wiring groove 12, perforation 13, handle hole 14 and the connection perforation 13 and institute
State the notch 15 of handle hole 14.Hereby it is achieved that multiple 100 coenosarcs of radio-frequency devices are set, save material, facilitate production,
And be conducive to save inner antenna space and improve antenna assemblies work efficiency.
In the utility model, the handle hole 14 can be set to circular hole, rectangular opening, waist-shaped hole as needed or other are polygon
Shape hole.
Due to the radio-frequency devices cavity 1 of the utility model, prolong along 12 edge of wiring groove to perforation 13 and handle hole 14
The notch 15 stretched facilitates the progress of burr removing step and ensures burr removal effect, while facilitates in transmission cable and lead
Therefore the welding of body 33 and radio circuit 2, drastically increases the production efficiency of radio-frequency devices 100 and improves radio-frequency devices 100
Performance.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of radio-frequency devices cavity, which is characterized in that surrounded by multiple enclosure walls and limit to install radio circuit
Cavity, the perforation that wherein at least one enclosure wall offers wiring groove and turned on arranged on wiring groove and with the cavity are and described
Perforation is offered to the handle hole of the cavity close to the perforation in the adjacent enclosure wall of wiring groove, and the enclosure wall is also corresponding
It is described perforation set notch, the notch from it is described wiring groove edge to it is described perforation and handle hole extend, and with the perforation
It is connected with handle hole.
2. radio-frequency devices cavity according to claim 1, which is characterized in that the width of the notch and transmission to be connected
The dielectric outer diameter of cable matches, and is welded in wiring groove with the outer conductor in transmission cable, inner wire passes through the perforation
The dielectric is positioned when in into cavity.
3. radio-frequency devices cavity according to claim 2, which is characterized in that the width of the notch is 1.5mm~4mm.
4. radio-frequency devices cavity according to claim 1, which is characterized in that the notch is at least close to perforation one end
Opening width is equal with the aperture widths perforated.
5. radio-frequency devices cavity as claimed in any of claims 1 to 4, which is characterized in that be horizontally set in the cavity
The radio-frequency devices cavity is divided into upper cavity and lower chamber by partition plate, and the upper cavity, lower chamber are equipped with the wiring
Slot, perforation, handle hole and the notch of the connection perforation and the handle hole.
6. radio-frequency devices cavity as claimed in any of claims 1 to 4, which is characterized in that a pair of opposite and longitudinal direction
Card slot is offered on the inner wall of the enclosure wall of extension, the card slot extends along the cavity longitudinally and is used to be caught in collection
Into the side for the circuit substrate for having the radio circuit.
7. radio-frequency devices cavity as claimed in any of claims 1 to 4, which is characterized in that the cavity is close
The resistance heating slot for blocking the wiring groove is offered at at least one side of the left and right sides of the perforation.
8. radio-frequency devices cavity as claimed in any of claims 1 to 4, which is characterized in that the multiple enclosure wall
It is integrally formed.
9. a kind of radio-frequency devices, which is characterized in that including the radio-frequency devices cavity described in any one in claim 1 to 8 and
Arranged on the in vivo radio circuit of the chamber.
10. radio-frequency devices according to claim 9, it is characterised in that：The radio circuit is phase shifter circuit, wave filter
Circuit, power divider circuit, coupler circuit, duplexer circuit or combiner circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509249.0U CN207441927U (en) | 2017-11-13 | 2017-11-13 | Radio-frequency devices and its cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509249.0U CN207441927U (en) | 2017-11-13 | 2017-11-13 | Radio-frequency devices and its cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441927U true CN207441927U (en) | 2018-06-01 |
Family
ID=62289153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509249.0U Active CN207441927U (en) | 2017-11-13 | 2017-11-13 | Radio-frequency devices and its cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441927U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436244A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112436243A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112436245A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112864554A (en) * | 2020-12-31 | 2021-05-28 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
-
2017
- 2017-11-13 CN CN201721509249.0U patent/CN207441927U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436244A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112436243A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112436245A (en) * | 2019-08-26 | 2021-03-02 | 广东博纬通信科技有限公司 | Cavity type phase shifter |
| CN112864554A (en) * | 2020-12-31 | 2021-05-28 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
| CN112864554B (en) * | 2020-12-31 | 2022-03-22 | 京信通信技术(广州)有限公司 | Filtering combining structure and combining phase shifter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200123 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: Comba Telecom System (China) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |