CN202178354U - Waveguide filter having weld layer - Google Patents
Waveguide filter having weld layer Download PDFInfo
- Publication number
- CN202178354U CN202178354U CN201120249654XU CN201120249654U CN202178354U CN 202178354 U CN202178354 U CN 202178354U CN 201120249654X U CN201120249654X U CN 201120249654XU CN 201120249654 U CN201120249654 U CN 201120249654U CN 202178354 U CN202178354 U CN 202178354U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- waveguide filter
- cavity
- tin layer
- utility
- 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
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model relates to a waveguide filter having a weld layer, comprising a chamber and a cover plate, wherein the cover plate is arranged over the chamber. The waveguide filter of the utility model is characterized by further comprising a scolding tin layer arranged between the cover plate and the chamber, with the scolding tin layer having a shape same as that of the upper surface of the chamber. Compared with the prior art, the waveguide filter of the utility model effectively reduces signal leakage and features simple structure, reliable performance, low cost, and the like.
Description
Technical field
The utility model relates to a kind of waveguide filter, especially relates to a kind of waveguide filter with weld layer.
Background technology
Waveguide filter has the function of frequency-selecting, can crossover frequency, promptly restrain the unwanted frequency signal through the signal of required frequency, and be one of core design in the radiotechnics.
Cavity waveguide filter frequency covers 0.5-50GHz; Because adopt high Q value structural design, this filter has the ability of high power work, has lower Insertion Loss; Good passband stationary wave characteristic and higher attenuation outside a channel; Temperature stability is good, is particularly suitable for narrowband applications, is widely used in fields such as radar, electronic countermeasures series of products, microwave communication, radio frequency simulation.
Along with developing rapidly of wireless telecommunication system, increasingly high to the frequency use, in order to prevent in the required frequency range leakage signal is arranged.Leakage signal is mainly found to cause with cover plate loose contact and institute at cavity.
In traditional wave-guide cavity wave filter, what adopt usually is with the mode of trip bolt with cavity and cover plate fastening structure.Because these parts surface planarity, fineness tolerance difference in the course of processing, in assembling process, cause cavity and cover plate loose contact and cause large quantities of leakage signal.For addressing this problem, need to improve the machine work precision or increase hold-down screw, thereby generation cost scrappage is uprised.
The utility model content
The purpose of the utility model is exactly that a kind of waveguide filter that can effectively reduce signal leakage, simple in structure, dependable performance, lower-cost band weld layer is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme:
A kind of waveguide filter with weld layer comprises cavity, cover plate, and described cover plate is located at the cavity top, it is characterized in that also comprise soldering-tin layer, this soldering-tin layer is located between cover plate and the cavity.
The shape of described soldering-tin layer is identical with cavity upper surface shape.
Described soldering-tin layer is one deck solder(ing) paste that is coated in the cavity upper surface.
Described solder(ing) paste comprises scaling powder and solder powder.
Connect through trip bolt between described cover plate and the cavity.
Compared with prior art, the utlity model has following advantage:
1. owing between cover plate and cavity, added soldering-tin layer, make the connection between cover plate and the cavity tightr, thereby effectively reduced signal leakage, improve the quality of products, simple in structure, novel, practical.
2. weldering is melted down in the employing of soldering-tin layer, and welding procedure is simple, stable performance, reliable, high conformity.
3. after having added soldering-tin layer, can reduce and use trip bolt quantity, reduce machining accuracy and cost.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of waveguide filter with weld layer, cover plate 3 is located at the top of cavity 2, is provided with one deck shape soldering-tin layer 1 identical with cavity 2 upper surfaces between the two, and trip bolt 4 passes soldering-tin layer 1 securing cover plate 3 and cavity 2, makes its tight connection.Soldering-tin layer 1 welds through melting down weldering for the solder(ing) paste of being made up of scaling powder and solder powder, so make closely contact between cavity 2 and the cover plate 3, can also reduce the quantity of trip bolt 4.This Welding Structure even the machining accuracy of cover plate and cavity is not high, also can effectively reduce signal leakage, makes properties of product reliable, and cost reduces.
Claims (3)
1. the waveguide filter with weld layer comprises cavity, cover plate, and described cover plate is located at the cavity top, it is characterized in that also comprise soldering-tin layer, this soldering-tin layer is located between cover plate and the cavity.
2. a kind of waveguide filter with weld layer according to claim 1 is characterized in that, the shape of described soldering-tin layer is identical with cavity upper surface shape.
3. a kind of waveguide filter with weld layer according to claim 1 is characterized in that, connects through trip bolt between described cover plate and the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120249654XU CN202178354U (en) | 2011-07-15 | 2011-07-15 | Waveguide filter having weld layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120249654XU CN202178354U (en) | 2011-07-15 | 2011-07-15 | Waveguide filter having weld layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178354U true CN202178354U (en) | 2012-03-28 |
Family
ID=45868221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120249654XU Expired - Fee Related CN202178354U (en) | 2011-07-15 | 2011-07-15 | Waveguide filter having weld layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881978A (en) * | 2011-07-15 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Waveguide filter with welding structure |
-
2011
- 2011-07-15 CN CN201120249654XU patent/CN202178354U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881978A (en) * | 2011-07-15 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Waveguide filter with welding structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201417813Y (en) | Capacitive coupling interaction structure based on coaxial cavity resonator | |
| CN201478429U (en) | Microstrip line directional coupler | |
| CN105098297A (en) | Compact structure T-type orthogonal mode converter and waveguide duplexer composed of compact structure T-type orthogonal mode converter | |
| CN102881978A (en) | Waveguide filter with welding structure | |
| CN205406688U (en) | TE mould dielectric resonator device | |
| CN202178354U (en) | Waveguide filter having weld layer | |
| CN104009276A (en) | Dielectric resonator, assembly method and dielectric filter | |
| CN203277600U (en) | A dielectric filtering apparatus | |
| CN202678274U (en) | High average output power box-type output window of large power klystron | |
| CN204118217U (en) | The waveguide duplexer of integrated T-shaped orthomode transducer | |
| CN102255122B (en) | Band elimination filter and base station equipment | |
| CN216086617U (en) | Very low frequency high power directional coupler circuit | |
| CN203039059U (en) | Cavity filter and radio frequency component | |
| CN201946725U (en) | TM01 mould dielectric filter with thin cover board | |
| CN204088527U (en) | There is positive and negative convertible cross-linked waveguide duplexer | |
| CN202285267U (en) | Medium filter, medium resonator, cover plate unit and communication equipment | |
| CN202363562U (en) | Cavity filter, communication device and low pass filter | |
| CN205028990U (en) | Low intermodulation waveguide junction circulator | |
| CN202917644U (en) | Structure for connecting of filter and LNA | |
| CN204067543U (en) | Ultra broadband surface-mount type 3dB electric bridge | |
| CN204271235U (en) | The orthogonal directed coupler of a kind of 3dB | |
| CN201655938U (en) | Cavity filter | |
| CN209169349U (en) | Novel Filter input coupling structure | |
| CN105552496A (en) | Te mode dielectric resonator device | |
| CN202103147U (en) | Coupling device for port of wave filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |