CN209249651U - A kind of 500W high frequency coaxial fixed attenuator - Google Patents
A kind of 500W high frequency coaxial fixed attenuator Download PDFInfo
- Publication number
- CN209249651U CN209249651U CN201822231074.2U CN201822231074U CN209249651U CN 209249651 U CN209249651 U CN 209249651U CN 201822231074 U CN201822231074 U CN 201822231074U CN 209249651 U CN209249651 U CN 209249651U
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- radiation shell
- male contact
- ring flange
- screw
- contact component
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Abstract
The utility model discloses a kind of 500W high frequency coaxial fixed attenuators, the coaxial fixed attentuator includes: radiation shell, inner core cavity is equipped in the radiation shell, ten successively even attenuators away from arrangement are equipped in the inner core cavity, it is attached between each adjacent two attenuator by Conjoint packing for wine, the radiation shell both ends are respectively equipped with symmetrical ring flange, and the ring flange top is equipped with screw hole；Male contact component, the male contact component assigns into the ring flange of radiation shell one end, and is fixed by screw across screw hole；Female component, the male contact component assigns into the ring flange of the radiation shell other end, and is fixed by screw across screw hole.The utility model standing wave is small, bandwidth, and product working band is from direct current to 18GHz, power capacity 500W, has good quick heat-sinking capability, and good mechanical stability is reproducible.
Description
Technical field
The utility model relates to a kind of attenuators, and in particular to a kind of 500W high frequency coaxial fixed attenuator.
Background technique
Coaxial fixed attentuator is one kind of microwave component, is widely used in the equipment such as microwave communication, radar, coaxial solid
Determine attenuator and have to the electrically and mechanically performance requirement for meeting system, while to accomplish simple process in batch production, close
Lattice rate is high, production cost is low.Coaxial fixed attentuator is made of connector and attenuator, and connector includes that famale connector and sun connect
Head two parts.Under normal conditions, to accomplish that the coaxial fixed attentuator of 18-40GHz high frequency is extremely difficult, it equally will be using oxidation
The T-type thick film circuit attenuator that beryllium ceramic substrate is made into will be made into DC-18GHz high frequency while be able to bear the same of 500 watts of power
Axis fixed attenuator is just more difficult.
In addition, the male contact component and female component at coaxial fixed attentuator both ends in the prior art are all directly to set
It sets at radiation shell both ends, disassembly and installation is inconvenient in this way, and heat insulation is bad, leads to male contact component and famale connector portion
Part is easily damaged.
Utility model content
The utility model to solve the above-mentioned problems, to provide a kind of 500W high frequency coaxial fixed attenuator.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of 500W high frequency coaxial fixed attenuator, the coaxial fixed attentuator include:
Radiation shell is equipped with inner core cavity in the radiation shell, be equipped in the inner core cavity ten it is successively even away from arrangement
Attenuator is attached between each adjacent two attenuator by Conjoint packing for wine, and the radiation shell both ends are respectively equipped with symmetrical
Ring flange, the ring flange top be equipped with screw hole；
Male contact component, the male contact component assign into the ring flange of radiation shell one end, and pass through spiral shell by screw
Hole is fixed；
Female component, the male contact component assigns into the ring flange of the radiation shell other end, and is passed through by screw
Screw hole is fixed.
In a preferred embodiment of the utility model, the male contact component is N-type male contact component.
In a preferred embodiment of the utility model, the female component is N-type female component.
In a preferred embodiment of the utility model, the screw is M3*3 branch head screw.
The beneficial effects of the utility model are:
The utility model standing wave is small, bandwidth, and product working band is from direct current to 18GHz, power capacity 500W, has good
Good quick heat-sinking capability, good mechanical stability are reproducible.
In addition, the male contact component and female component installation and removal in the application are convenient, heat-proof quality is good, mentions significantly
The high service life of male contact component and female component.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Referring to Fig. 1,500W high frequency coaxial fixed attenuator provided by the utility model comprising radiation shell 100, male contact
Component 200 and female component 300.
Radiation shell 100 is equipped with inner core cavity 110 inside it, successively even away from arrangement equipped with ten in interior core cavity body 110
Attenuator 120, be attached by Conjoint packing for wine 130 between each adjacent two attenuator 120, Conjoint packing for wine 130 is for real
Signal transmission between existing attenuator 120.
The ground connection microstrip line of about 120 two sides of attenuator grips 121 by ground connection, to be tightly secured in inner core cavity
In 110.
Attenuator 120 comprising beryllium oxide dielectric substrate and tantalum nitride resistance, tantalum nitride resistance are direct by thin-film technique
High-frequency sputtering forms on beryllium oxide dielectric substrate, so that the characteristic impedance of attenuator 120 is 50 Ω, and frequency is up to
18GHz greatly improves signal transmission frequencies.
Be respectively equipped with connecting hole at 130 both ends of Conjoint packing for wine, be equipped with Elastic Contact cap in connecting hole, attenuator 120 it is micro-
Band transmission line can be assigned into connecting hole, and be lived by Elastic Contact crown, and Conjoint packing for wine 130 and attenuator can be achieved in this way
Connection between 120, and mount and dismount all very convenient.
Conjoint packing for wine 130 is specially N-type Conjoint packing for wine.
Symmetrical ring flange 400 is respectively equipped at 100 both ends of radiation shell, the top of ring flange 400 is equipped with screw hole.
Ring flange 400 be for installing male contact component 200 or female component 300, and realize male contact component 200 or
Female component 300 it is heat-insulated.
Male contact component 200 assigns into the ring flange 400 of 100 one end of radiation shell, and by screw 500 pass through screw hole into
Row is fixed.
Female component 300 assigns into the ring flange 400 of the radiation shell other end, and by screw 500 pass through screw hole into
Row is fixed.
Screw 500 is specially M3*3 branch head screw.
It mounts and dismounts male contact component 200 and female component 300 all very convenient, and to radiate
Heat on shell 100 will not be directly delivered on male contact component 200 and female component 300, substantially increase male contact portion
The service life of part 200 and female component 300.
In addition, being respectively equipped with a silicagel pad 140 at 100 both ends of radiation shell, silicagel pad 140 is equipped with connecting hole, connecting hole
With 400 corresponding matching of inner core cavity 110 and ring flange, it is convenient for male contact component 200 or female component 300 and attenuator 120
Between connection, silicagel pad 140 is the heat-proof quality for further increasing ring flange 400, to further increase male contact
The service life of component 200 and female component 300.
Male contact component 200 and female component 300 are respectively N-type male contact component and N-type female component, are connect in sun
Also it is respectively equipped with connecting hole in head part 200 and female component 300, is equipped with Elastic Contact cap in connecting hole.
Microstrip transmission line on the attenuator 120 of the leftmost side may pass through connecting hole and ring flange in silicagel pad 140
400 assign into the connecting hole of female component 300, and live to be fixed by Elastic Contact crown, positioned at declining for the rightmost side
Subtract that the microstrip transmission line on piece 120 may pass through connecting hole in silicagel pad 140 and ring flange 400 is assigned into male contact component 200
Connecting hole in, and by Elastic Contact crown live be fixed, in this way installation and removal it is all very convenient.
In addition, in order to further increase the radiating efficiency of the application entirety, to improve the service life of the application, inside
Core cavity body 110 is equipped with several heat release holes, these heat release holes are respectively distributed to about 120 two sides of attenuator, in radiation shell 100
Interior to be equipped with several heat dissipation channels, the heat that such attenuator 120 generates directly can be transmitted to radiation shell 100 by heat release hole
On, and outside is directly quickly transmitted to by heat dissipation channel.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of 500W high frequency coaxial fixed attenuator, which is characterized in that the coaxial fixed attentuator includes:
Radiation shell, the radiation shell is interior to be equipped with inner core cavity, is equipped with ten successively even decaying away from arrangement in the inner core cavity
Piece is attached between each adjacent two attenuator by Conjoint packing for wine, and the radiation shell both ends are respectively equipped with symmetrical method
Blue disk, the ring flange top are equipped with screw hole；
Male contact component, the male contact component assign into the ring flange of radiation shell one end, and by screw pass through screw hole into
Row is fixed；
Female component, the male contact component assign into the ring flange of the radiation shell other end, and pass through screw hole by screw
It is fixed.
2. a kind of 500W high frequency coaxial fixed attenuator according to claim 1, which is characterized in that the male contact component
For N-type male contact component.
3. a kind of 500W high frequency coaxial fixed attenuator according to claim 1, which is characterized in that the female component
For N-type female component.
4. a kind of 500W high frequency coaxial fixed attenuator according to claim 1, which is characterized in that the screw is M3*3
Branch head screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231074.2U CN209249651U (en) | 2018-12-28 | 2018-12-28 | A kind of 500W high frequency coaxial fixed attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231074.2U CN209249651U (en) | 2018-12-28 | 2018-12-28 | A kind of 500W high frequency coaxial fixed attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249651U true CN209249651U (en) | 2019-08-13 |
Family
ID=67535158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231074.2U Active CN209249651U (en) | 2018-12-28 | 2018-12-28 | A kind of 500W high frequency coaxial fixed attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209249651U (en) |
-
2018
- 2018-12-28 CN CN201822231074.2U patent/CN209249651U/en active Active
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