CN204144408U - A kind of multi-layer efficient filter - Google Patents
A kind of multi-layer efficient filter Download PDFInfo
- Publication number
- CN204144408U CN204144408U CN201420543103.8U CN201420543103U CN204144408U CN 204144408 U CN204144408 U CN 204144408U CN 201420543103 U CN201420543103 U CN 201420543103U CN 204144408 U CN204144408 U CN 204144408U
- Authority
- CN
- China
- Prior art keywords
- cavity
- shell body
- filter
- transition conduit
- filtering
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a kind of multi-layer efficient filter, comprise: shell body, transition conduit, tube connector, described shell body is hollow cavity, transition conduit is provided with inside the extension at shell body two ends, transition conduit is connected with the extension inner seal at shell body two ends by bonding glue, tube connector is provided with outside transition conduit, tube connector and transition conduit are welded to connect, described shell body is inner is two filtering cavitys by baffle for separating, be provided with filter in filtering cavity, connected by connecting line between the filter in two filtering cavitys.The utility model China and foreign countries enclosure interior is two filtering cavitys by baffle for separating, all can filter be set in filtering cavity, therefore multiple-stage filtering can be realized in same filter, structure, the connected mode of metal heat-conducting piece of the present utility model and metallic heat radiating plate and resonant rod in addition, greatly can reduce the production cost of filter, and be easy to assembling, manufacture.
Description
Technical field
The utility model relates to filter field, is specially a kind of multi-layer efficient filter.
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.
Low pass filter is generally comprised in cavity body filter, typical low pass filter a kind ofly useful signal is passed through and suppresses the electronic installation of unwanted frequency signal simultaneously, in information processing, data transmission and suppression interference etc. control automatically, are widely used in communication and other electronic system.
Utility model content
The technical problem that the utility model solves is to provide a kind of multi-layer efficient filter, to solve the problem proposed in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind of multi-layer efficient filter, comprise: shell body, transition conduit, tube connector, described shell body is hollow cavity, transition conduit is provided with inside the extension at shell body two ends, transition conduit is connected with the extension inner seal at shell body two ends by bonding glue, tube connector is provided with outside transition conduit, tube connector and transition conduit are welded to connect, described shell body is inner is two filtering cavitys by baffle for separating, filter is provided with in filtering cavity, connected by connecting line between filter in two filtering cavitys, shell body two ends are provided with fairlead.
Described filter comprises cavity, cavity cover plate and resonant rod, cavity cover plate covers on cavity, and be bolted on cavity, a resonant cavity is had in cavity, resonant rod is positioned at resonant cavity, resonant rod center is empty, cavity cover plate is provided with tuning screw, the lower of tuning screw rectifies hollow to resonant rod, the end of resonant rod is connected with metallic heat radiating plate by metal heat-conducting piece, metallic heat radiating plate is positioned at the bottom outer surface of cavity, and the upper surface of metallic heat radiating plate is close on the outer surface of the bottom surface of cavity.
The junction of described resonant rod and metal heat-conducting piece is provided with boss, and the lower surface of boss and the bottom interior surface of cavity are fitted, and metallic heat radiating plate is circular foil member.
Raised thread is provided with outside described tube connector.
Compared with prior art, the beneficial effects of the utility model are: the utility model China and foreign countries enclosure interior is two filtering cavitys by baffle for separating, all can filter be set in filtering cavity, therefore multiple-stage filtering can be realized in same filter, structure, the connected mode of metal heat-conducting piece of the present utility model and metallic heat radiating plate and resonant rod in addition, greatly can reduce the production cost of filter, and be easy to assembling, manufacture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, raised thread; 2, tube connector; 3, transition conduit; 4, fairlead; 5, shell body; 6, dividing plate; 7, filtering cavity; 8, filter; 9, connecting line; 81, cavity; 82, cavity cover plate; 83, resonant rod; 84, metallic heat radiating plate; 85, metal heat-conducting piece; 86, boss; 87, inner convex platform; 88, resonance plate; 89, tuning screw.
Embodiment
In order to make actualizing technology means of the present utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
As shown in Figure 1, a kind of multi-layer efficient filter, comprise: shell body 5, transition conduit 3, tube connector 2, described shell body 5 is hollow cavity, transition conduit 3 is provided with inside the extension at shell body 5 two ends, transition conduit 3 is connected with the extension inner seal at shell body 5 two ends by bonding glue, tube connector 2 is provided with outside transition conduit 3, tube connector 2 and transition conduit 3 are welded to connect, described shell body 5 inside is divided into two filtering cavitys 7 by dividing plate 6, filter 8 is provided with in filtering cavity 7, connected by connecting line 9 between filter 8 in two filtering cavitys 7, shell body 5 two ends are provided with fairlead 4.
Described filter 8 comprises cavity 81, cavity cover plate 82 and resonant rod 83, cavity cover plate 82 covers on cavity 81, and be bolted on cavity 81, a resonant cavity is had in cavity 81, resonant rod 83 is positioned at resonant cavity, resonant rod 83 center is empty, cavity cover plate 82 is provided with tuning screw 89, the lower of tuning screw 89 rectifies hollow to resonant rod 83, so that regulate the operating frequency of filter, cavity 81 is plastic material, and cavity cover plate 82, resonant rod 3, tuning screw 89 all adopt metal material to make.The end of resonant rod 83 is connected with metallic heat radiating plate 84 by metal heat-conducting piece 85, and metallic heat radiating plate 84 is positioned at the bottom outer surface of cavity 81, and the upper surface of metallic heat radiating plate 84 is close on the outer surface of the bottom surface of cavity 81.
Described resonant rod 83 is provided with boss 86 with the junction of metal heat-conducting piece 85, the lower surface of boss 86 and the bottom interior surface of cavity 81 are fitted, metallic heat radiating plate 84 is circular foil member, cross-sectional area is greater than the cross-sectional area of metal heat-conducting piece 85, the large rapid heat dissipation of area, can reduce the temperature of the inside of plastic chamber well, and the bottom outer surface making metallic heat radiating plate 84 be positioned at cavity 81 can be located well, the upper surface of metallic heat radiating plate 84 and the bottom outer surface of cavity 81 are fitted.
Raised thread 1 is provided with outside described tube connector 2.
Housing 5 inside, the utility model China and foreign countries is divided into two filtering cavitys 7 by dividing plate 6, in filtering cavity 7, all filter 8 can be set, therefore multiple-stage filtering can be realized in same filter, shell body 5 two ends are connected and fixed by transition conduit 3, tube connector 2 in addition, being provided with raised thread 1 outside tube connector 2 installs and uses very convenient, and is convenient to dismounting.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a multi-layer efficient filter, comprise: shell body, transition conduit, tube connector, it is characterized in that: described shell body is hollow cavity, transition conduit is provided with inside the extension at shell body two ends, transition conduit is connected with the extension inner seal at shell body two ends by bonding glue, tube connector is provided with outside transition conduit, tube connector and transition conduit are welded to connect, described shell body is inner is two filtering cavitys by baffle for separating, filter is provided with in filtering cavity, connected by connecting line between filter in two filtering cavitys, shell body two ends are provided with fairlead; Described filter comprises cavity, cavity cover plate and resonant rod, cavity cover plate covers on cavity, and be bolted on cavity, a resonant cavity is had in cavity, resonant rod is positioned at resonant cavity, resonant rod center is empty, cavity cover plate is provided with tuning screw, the lower of tuning screw rectifies hollow to resonant rod, the end of resonant rod is connected with metallic heat radiating plate by metal heat-conducting piece, metallic heat radiating plate is positioned at the bottom outer surface of cavity, and the upper surface of metallic heat radiating plate is close on the outer surface of the bottom surface of cavity.
2. a kind of multi-layer efficient filter according to claim 1, is characterized in that: the junction of described resonant rod and metal heat-conducting piece is provided with boss, and the lower surface of boss and the bottom interior surface of cavity are fitted, and metallic heat radiating plate is circular foil member.
3. a kind of multi-layer efficient filter according to claim 1, is characterized in that: be provided with raised thread outside described tube connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543103.8U CN204144408U (en) | 2014-09-22 | 2014-09-22 | A kind of multi-layer efficient filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543103.8U CN204144408U (en) | 2014-09-22 | 2014-09-22 | A kind of multi-layer efficient filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144408U true CN204144408U (en) | 2015-02-04 |
Family
ID=52421074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543103.8U Expired - Fee Related CN204144408U (en) | 2014-09-22 | 2014-09-22 | A kind of multi-layer efficient filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204144408U (en) |
-
2014
- 2014-09-22 CN CN201420543103.8U patent/CN204144408U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104900952B (en) | The coupled structure of bimodulus dielectric resonator and metal resonators | |
| CN203103474U (en) | Light cavity filter | |
| CN204144408U (en) | A kind of multi-layer efficient filter | |
| CN202564517U (en) | Novel low frequency cavity filter | |
| CN204144409U (en) | A kind of multiple filter | |
| CN204230392U (en) | A kind of filter | |
| CN202871951U (en) | Dielectric filter | |
| CN205069823U (en) | High -efficient cavity filter of low frequency | |
| CN204010982U (en) | A kind of small-sized I-shaped inductive | |
| CN204362188U (en) | A kind of panel TV wifi mounting frame | |
| CN205376703U (en) | Anti interference filtration device | |
| CN204118221U (en) | A kind of low-loss high-stability D CS filter | |
| CN206672760U (en) | A kind of wave filter | |
| CN204118222U (en) | Low-loss height intermodulation 4G filter | |
| CN204119182U (en) | A kind of high-frequency dielectric discrete band stop filter | |
| CN201829598U (en) | Coupler cavity | |
| CN204217317U (en) | Electromagnetic compatibility shielding device | |
| CN204010999U (en) | A kind of inductor | |
| CN102569957A (en) | Indoor multi-cavity filter | |
| CN204337873U (en) | Heavy oil filter | |
| CN204333408U (en) | A kind of novel bent type radio frequency coaxial connector Snap ring structure | |
| CN104716410A (en) | Cavity filter | |
| CN211578942U (en) | 5GNR sucker ultra-wideband antenna with PCB structure | |
| CN204333171U (en) | Dielectric filter | |
| CN201994922U (en) | TDD-LTE (Time Division Duplex-Long Term Evolution) multi-channel 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20170922 |