CN205609724U - Cavity resonance restraines structure - Google Patents
Cavity resonance restraines structure Download PDFInfo
- Publication number
- CN205609724U CN205609724U CN201521112400.8U CN201521112400U CN205609724U CN 205609724 U CN205609724 U CN 205609724U CN 201521112400 U CN201521112400 U CN 201521112400U CN 205609724 U CN205609724 U CN 205609724U
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- CN
- China
- Prior art keywords
- cavity
- semi
- enclosed cavity
- cover plate
- described cover
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a cavity resonance restraines structure, cavity resonance restraines structure is non -contact and extends the overlay structure, uncontrollable resonance and loss problem bigger than normal that this structure was mainly brought to the breach structure that appears owing to the design reason that appears in the half closed cavity body structure. This cavity resonance restraines structure is for installing an apron in department of above -mentioned breach portion, the apron is located slack portion's part to be connected with half sealed cavity electrical contact, just the apron still has the extension in the exocoel wall outside that extends to full sealed cavity, and the extension not with half sealed cavity electrical contact. The utility model discloses cavity resonance restraines structure can be arranged in moving the looks ware, through the breach portion that half sealed cavity tip is established with the apron cover, realizations electricity such as feed seat through moving the looks ware of the outer tip of apron and half sealed cavity, bolt are connected, and extend portion who laps and half not electrical contact of sealed cavity still present the structure of cover, realize the resonance inhibit feature to the performance that the order moved devices such as looks ware is more stable, better.
Description
Technical field:
This utility model relates to antenna equipment technical field, refers in particular to a kind of cavity resonant suppression knot
Structure.
Background technology:
The devices such as the phase shifter in existing communication equipment, the cavity volume of their electronic device part
The parts such as the mode needing employing splicing to assemble is formed, metal band wire need with the assembling of cavity volume
Segmentation connects fixing, and metal band wire to be considered and the insulation of shell, therefore assembles and ties
Structure is relatively complicated, and the cavity that the devices such as existing phase shifter are primarily present interference stronger is humorous
Shake, make their overall performance affect adversely.
Utility model content:
In place of the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of chamber
Body resonance suppression structure.
This utility model realizes its purpose and the technical scheme is that a kind of cavity resonant suppression
Structure, is mainly used in semi-enclosed cavity, and described cavity resonant suppression structure has one
Individual contactless cover plate, described cover plate covers at the semi-enclosed cavity with a notch part
Above notch part, realize electrical contact with described semi-enclosed cavity portion, and described cover plate is also
There is the extension outside the outer chamber wall extending to semi-enclosed cavity, and extension is not with half
Closed cavity makes electrical contact with.
Described cover plate is the sheet metal according to semi-enclosed cavity notch part planform, should
Electrical connection is locked or welded to sheet metal with semi-enclosed cavity by bolt, and sheet metal edge is provided with
The imploded arcs matched with bolt or welding.
Described cover plate extends to the extension outside semi-enclosed cavity outer chamber wall to notch part rear
1/1 to two/8ths wavelength of a length of semi-enclosed cavity operating frequency.
Described cover plate bearing of trend includes horizontal and vertical direction, and horizontal direction can be along half envelope
Close cavity wall bending to extend.
One layer of insulation diaphragm, institute it is provided with between outside described cover plate and semi-enclosed cavity outer chamber wall
The shape stating insulation diaphragm is suitable with sheet metal peripheral shape, i.e. in concave, and slightly
Noncontact plane outer edge more than described cover plate Yu semi-enclosed cavity.
Distance between outside the extension of described cover plate and semi-enclosed cavity outer chamber wall is
0.1mm～1mm.
Described notch part system is formed by the abluminal wall surfaces integrated punching of semi-enclosed cavity.
This utility model cavity resonant suppression structure can use the phase shifter, by semiclosed chamber
Body end arranges notch part and the outer end portion with cover plate covering, cover plate is led to semi-enclosed cavity
Cross the feed seat of phase shifter, bolt etc. and realize electrical connection, and the extension of cover plate is sealed with half
Close the discontiguous structure of cavity, realize resonance suppression function, thus make the devices such as phase shifter
Performance more stable, more accurate；And the semi-enclosed cavity that this utility model uses produces work
Skill is simpler, and the assembling with miscellaneous part is the easiest, and production efficiency is higher.
Accompanying drawing illustrates:
Fig. 1 is the structural representation after this utility model application assembles with phase-shifter embodiment；
Fig. 2 is Fig. 1 embodiment decomposing state schematic diagram.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, this utility model is further illustrated.
As Figure 1-Figure 2, it is a kind of chamber that may be used for the phase shifter described in the present embodiment
Body resonance suppression structure, described cavity resonant suppression structure has a semi-enclosed cavity 1, should
Semi-enclosed cavity 1 uses pultrusion molding process to make, and forms at least one pultrusion inside it
Die cavity, one end of this semi-enclosed cavity 1 is internally installed feed seat 2, feed seat 2 and half envelope
Close cavity 1 Multi-contact, it is provided that outside weldings carrier；End in this semi-enclosed cavity 1
Locate to offer in the outer chamber wall relative with feed seat 2 upper surface a notch part 11 towards outer end,
In the present embodiment, notch part 11 forms concave structure with this outer chamber wall, at this notch part
Being provided with a cover plate 3 at 11, described cover plate 3 is connected and with semiclosed with feed seat 2 locking
Cavity 1 forms electrical contact and connects, and described cover plate 3 also has and extends to semi-enclosed cavity 1
Outer chamber wall outside extension 31, and extension 31 do not contacts with semi-enclosed cavity 1.
Described cover plate 3 has the concave surface 32 that can be absorbed in described notch part 11, and i.e. cover plate 3 is in height
The nonplanar structure of infraversion malposition, this concave surface 32 is provided with hole 321, location, and concave surface 32 edge sets
Having imploded arcs 322, accordingly, described feed seat 2 is provided with determine relative with positioning hole 321
Position post 21, and this concave surface 32 and described feed seat 2 locked by bolt 22 and be connected, concave surface
The imploded arcs at 32 edges 322 snaps in the nut of bolt 22 and the chien shih of feed seat 2 upper surface
Cover plate 3 is locked.
Described cover plate 3 extends to outside semi-enclosed cavity 1 outer chamber wall to notch part 11 rear
/ 8th of the pultrusion die cavity operating frequency of a length of semi-enclosed cavity 1 of extension 31 arrive
/ 2nd wavelength.
It is provided with one layer of insulation diaphragm between outside described cover plate 3 and semi-enclosed cavity 1 outer chamber wall
4, the shape of described insulation diaphragm 4 is suitable with notch part 11 peripheral shape, i.e. in " recessed "
Font, plays and guarantees cover plate 3 and the discontiguous effect of semi-enclosed cavity 1, if naked every
Film 4 then relies on the pad etc. at bolt to carry out padded making the two not contact.
Distance between outside described cover plate 3 and semi-enclosed cavity 1 outer chamber wall is maintained at
0.1mm～1mm, for preferably spacing range.
Described notch part 11 is to be formed by the abluminal wall surfaces integrated punching of semi-enclosed cavity 1,
Ensure that inside cavity attachment structure effectively presents, it is simple to peripheral operation.
In sum, this utility model cavity resonant suppression structure may be used for the phase shifter and
In the radio-frequency devices of his cavity body structure, by arranging notch part in semi-enclosed cavity end and using
Cover plate covers, the outer end portion of cover plate passes through the feed seat of phase shifter, spiral shell with semi-enclosed cavity
Bolts etc. realize electrically connecting, and the extension of cover plate and the discontiguous structure of semi-enclosed cavity,
Realize resonance suppression function, thus make the performance of the devices such as phase shifter more stable, more accurate；
And the semi-enclosed cavity production technology that this utility model uses is more simply, with miscellaneous part
Assembling the easiest, production efficiency is higher.
The above is a kind of embodiment of the present utility model, and this utility model can be additionally used in
Other have in the electronic product of semi-enclosed cavity component, play cavity resonant suppression function.
Claims (7)
1. a cavity resonant suppression structure, it is mainly used in semi-enclosed cavity, it is characterized in that: described cavity resonant suppression structure has a contactless cover plate, described cover plate covers to be had above the notch part of semi-enclosed cavity of a notch part, electrical contact is realized with described semi-enclosed cavity portion, and described cover plate also has the extension outside the outer chamber wall extending to semi-enclosed cavity, and extension does not makes electrical contact with semi-enclosed cavity.
Cavity resonant the most according to claim 1 suppression structure, it is characterized in that: described cover plate is the sheet metal according to semi-enclosed cavity notch part planform, electrical connection is locked or welded to this sheet metal with semi-enclosed cavity by bolt, and sheet metal edge is provided with the imploded arcs matched with bolt or welding.
Cavity resonant the most according to claim 1 suppression structure, it is characterised in that: described cover plate extends to 1/1 to two/8ths wavelength of a length of semi-enclosed cavity operating frequency of the extension outside semi-enclosed cavity outer chamber wall to notch part rear.
Cavity resonant the most according to claim 1 suppression structure, it is characterised in that: described cover plate bearing of trend includes horizontal and vertical direction, and horizontal direction can extend along semi-enclosed cavity sidewall bending.
Cavity resonant the most according to claim 1 suppression structure, it is characterized in that: between outside described cover plate and semi-enclosed cavity outer chamber wall, be provided with one layer of insulation diaphragm, the shape of described insulation diaphragm is suitable with sheet metal peripheral shape, i.e. in concave, and slightly larger than the noncontact plane outer edge of described cover plate with semi-enclosed cavity.
6. suppress structure according to the cavity resonant described in claim 1 or 4, it is characterised in that: the distance between outside the extension of described cover plate and semi-enclosed cavity outer chamber wall is 0.1mm ~ 1mm.
Cavity resonant the most according to claim 1 suppression structure, it is characterised in that: described notch part system is formed by the abluminal wall surfaces integrated punching of semi-enclosed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112400.8U CN205609724U (en) | 2015-12-25 | 2015-12-25 | Cavity resonance restraines structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112400.8U CN205609724U (en) | 2015-12-25 | 2015-12-25 | Cavity resonance restraines structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205609724U true CN205609724U (en) | 2016-09-28 |
Family
ID=56961049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112400.8U Withdrawn - After Issue CN205609724U (en) | 2015-12-25 | 2015-12-25 | Cavity resonance restraines structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205609724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470618A (en) * | 2015-12-25 | 2016-04-06 | 广东晖速通信技术股份有限公司 | Cavity resonance suppression structure |
| CN109066100A (en) * | 2018-07-18 | 2018-12-21 | 深圳市深大唯同科技有限公司 | A kind of cavity feeding network and antenna inhibiting resonance |
-
2015
- 2015-12-25 CN CN201521112400.8U patent/CN205609724U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470618A (en) * | 2015-12-25 | 2016-04-06 | 广东晖速通信技术股份有限公司 | Cavity resonance suppression structure |
| CN105470618B (en) * | 2015-12-25 | 2019-03-12 | 广东晖速通信技术股份有限公司 | A kind of cavity resonant inhibition structure |
| CN109066100A (en) * | 2018-07-18 | 2018-12-21 | 深圳市深大唯同科技有限公司 | A kind of cavity feeding network and antenna inhibiting resonance |
| CN109066100B (en) * | 2018-07-18 | 2024-01-30 | 中天宽带技术有限公司 | Cavity feed network and antenna for inhibiting resonance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20190312 |
|
| AV01 | Patent right actively abandoned |