CN206820096U - A kind of wave filter and filter circuit - Google Patents
A kind of wave filter and filter circuit Download PDFInfo
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- CN206820096U CN206820096U CN201720429491.0U CN201720429491U CN206820096U CN 206820096 U CN206820096 U CN 206820096U CN 201720429491 U CN201720429491 U CN 201720429491U CN 206820096 U CN206820096 U CN 206820096U
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- heat
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- wave filter
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Abstract
The utility model provides a kind of wave filter and filter circuit, belongs to communication technical field.A kind of wave filter, it includes housing, resonant rod, boss.Resonant rod, boss may be contained within the cavity of housing formation.Boss includes boss body, the first heat conducting pipe.Resonant rod is connected with boss body, and the first heat conducting pipe runs through boss body, and one end of the first heat conducting pipe is connected with resonant rod, and the other end of the first heat conducting pipe is connected with housing.Housing and boss use low density material, such as plastics, to mitigate the overall weight of wave filter.First heat conducting pipe can by a large amount of heat energy caused by resonant rod in time, be rapidly transferred to housing, accelerate the rate of heat dispation of resonant rod, improve the job stability of resonant rod.The utility model also provides a kind of filter circuit, including above-mentioned wave filter.
Description
Technical field
Communication technical field is the utility model is related to, in particular to a kind of wave filter and filter circuit.
Background technology
As the competition of communication system industry constantly aggravates constantly to rise with cost of human resources, cost pressure is increasingly
Greatly.With the development of microwave technology, the demand of the cavity microwave device such as duplexer, wave filter, combiner is also increasing.And
Most of cavity devices are all metal structures at this stage, and weight is very big, are not easy to meet present requirement.The plastics filtering of new material
Device is increasingly paid attention to the lighter weight of its opposing metallic and reliable performance by each family.
Because the heat-conductive characteristic of plastic material is poorer than metal, existing plastic filter is in high power work state
Under, the heat accumulated in inside plastic chamber can not distribute in time, can cause local temperature more and more higher and lose product
Effect.
Utility model content
The purpose of this utility model is to provide a kind of wave filter, and it possesses lighter quality and stronger heat radiation energy
Power.
Another object of the present utility model is to provide a kind of filter circuit, and it still has steady under high power work state
Fixed ability to work.
What embodiment of the present utility model was realized in：
A kind of wave filter, it includes housing, resonant rod, boss.Resonant rod, boss may be contained within the cavity of housing formation,
Resonant rod is connected with boss.Boss includes boss body, the first heat conducting pipe.Boss body is connected with resonant rod, the first heat conducting pipe
Through boss body, one end of the first heat conducting pipe is connected with resonant rod, and the other end is connected with housing.
Preferably, the first heat conducting pipe is solid tubes or hollow pipe.
Preferably, the first heat conducting pipe is hollow pipe, and the one end of the first heat conducting pipe away from resonant rod is connected with conduction heat sealable part
To prevent liquid from entering the first heat conducting pipe.
Preferably, boss also includes the second heat conducting pipe, and the first heat conducting pipe is connected with housing by the second heat conducting pipe.
Preferably, boss also includes conduction heat sealable part, and the first heat conducting pipe and the second heat conducting pipe are hollow pipe.Second heat conduction
Pipe is connected by conduction heat sealable part with housing to prevent liquid from entering the second heat conducting pipe.
Preferably, housing includes shell inwall and shell outer wall, and shell inwall forms cavity.First heat conducting pipe runs through shell inwall and shell
Wall contacts.
Preferably, shell inwall and/or shell outer wall are provided with heat-conducting layer.
Preferably, heat-conducting layer includes metal heat-conducting layer and/or nonmetallic heat conductive layer.
Preferably, boss body surface is provided with heat-conducting layer.
A kind of filter circuit, including any one above-mentioned wave filter.
The beneficial effect of the utility model embodiment is：
The utility model embodiment provides a kind of wave filter, its not only light weight, also has stronger heat-sinking capability.Housing
And boss can use low density material, such as plastics, to mitigate the overall weight of wave filter.The weight of wave filter has passed through at present
Some low density materials are substantially reduced, but its heat conductivility of the low density material of plastics etc is poor so that filter cavity
The heat in internal portion can not shift in time, cause resonant rod can not normal work.The utility model sets first to lead in boss
Heat pipe, the first heat conducting pipe is set to be connected through boss body with resonant rod.Because most of heat of wave filter is produced by resonant rod
It is raw, the design enable the first heat conducting pipe by a large amount of heat energy caused by resonant rod in time, be rapidly transferred to housing, accelerate
The rate of heat dispation of resonant rod, improve the job stability of resonant rod.The utility model embodiment also provides a kind of filter circuit, adopts
Work is filtered with above-mentioned wave filter, its job specification is stable, and achievement is also more reliable.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the wave filter that the utility model embodiment 1 provides；
Fig. 2 is the A-A sectional views for Fig. 1 that the utility model embodiment 1 provides；
Fig. 3 is the structural representation for the wave filter that the utility model embodiment 2 provides；
Fig. 4 is the A-A sectional views for Fig. 3 that the utility model embodiment 2 provides.
Icon：100- wave filters；110- resonant rods；130- housings；132- shell inwalls；134- shell outer walls；136- cavitys；
150- boss；152- boss bodies；The heat conducting pipes of 154- first；The heat conducting pipes of 156- second；158- conduction heat sealable parts；200- is filtered
Device；250- boss；252- boss bodies；The heat conducting pipes of 254- first.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in the description of the utility model embodiment, term " on ", " interior ", the side of the instruction such as " outer "
Position or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put
Orientation or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The limitation of type.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively heavy
The property wanted.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, art
Language " setting ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or
It is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be by between intermediary
Connect connected, can be the connection of two element internals.For the ordinary skill in the art, can be understood with concrete condition
Concrete meaning of the above-mentioned term in the utility model.
Embodiment 1
Refer to Fig. 1, the present embodiment provides a kind of wave filter 100, available for the frequency of specific frequency or the frequency with
Outer frequency is effectively filtered out, and obtains the signal after one specific frequency of signal or elimination of a specific frequency.
Fig. 2 is refer to, Fig. 2 is the sectional view of the A-A sections of wave filter 100.Wave filter 100 includes resonant rod 110, housing
130th, boss 150.Resonant rod 110 is connected with housing 130 by boss 150.
Housing 130 includes the shell inwall 132 being oppositely arranged and shell outer wall 134, and shell inwall 132 forms cavity 136.Boss
150 and resonant rod 110 be mounted in cavity 136.
In the present embodiment, shell inwall 132 is provided with heat-conducting layer with shell outer wall 134, and heat-conducting layer can be conventional metal
Heat-conducting layer either nonmetallic heat conductive layer, for example, metallic copper, argent, graphite etc..In other embodiment of the present utility model
In, it can select that either shell outer wall 134 sets metal heat-conducting layer or nonmetallic heat conductive layer in shell inwall 132.The thickness of heat-conducting layer
Degree can be adjusted according to specific cooling requirements.
Boss 150 includes the heat conducting pipe 154 of boss body 152 and first.One end of resonant rod 110 connects with boss body 152
Connect, the other end and housing 130 of resonant rod 110 are spaced apart.Boss body 152 is run through in one end of first heat conducting pipe 154
It is connected with resonant rod 110.The other end of first heat conducting pipe 154 is connected with housing 130, wherein, the other end of the first heat conducting pipe 154
Include both with the connected mode of housing 130 to contact with each other.
Boss body 152 can be metal material or the less lightweight material of plastics, rubber isodensity.This reality
Apply and plastic material is preferably selected in example to mitigate the quality of wave filter 100.In other embodiment of the present utility model, preferably
Ground, can also set heat-conducting layer on the surface of boss body 152, and the mode of setting can use the side of plating either coating
Method.Heat-conducting layer can be by the composite bed that a kind of in the metals such as copper, silver, iron, zinc is formed or various metals are formed, either
The thermal conductivity factors such as graphene height, the less material of quality etc..Because boss body 152 directly contacts with resonant rod 110, heat-conducting layer
Be provided with beneficial to by heat fast transfer caused by resonant rod 110 to housing 130.
In the present embodiment, boss body 152 with resonant rod 110 is connected with each other again after being molded respectively, in the utility model
Other embodiment in, boss body 152 can also be with resonant rod 110 and be integrally formed.
First heat conducting pipe 154 can be solid tubes, or hollow pipe, the first heat conducting pipe 154 is sky in the present embodiment
Heart pipe and there is the first cavity (not marked in figure).The quantity that first heat conducting pipe 154 is set in boss body 152 can basis
Specific cooling requirements are modified.For example, in the present embodiment the first heat conducting pipe 154 that each resonant rod 110 is connected number
Measure as 1 or 2.The aperture of first heat conducting pipe 154 can also be adjusted according to specific required heat dispersal situations.If for example,
The in general heat-sinking capability needed, then the wall thickness of the first heat conducting pipe 154 by the borehole enlargement of the first heat conducting pipe 154, can be reduced,
Increase air content, because the thermal conductivity factor of air is relatively low.Stronger heat-sinking capability if desired, then first can be led
The aperture of heat pipe 154 reduces even is arranged to solid tubes by the first heat conducting pipe 154, increases the wall thickness of the first heat conducting pipe 154.Make
Air content is reduced, and the increase of Heat Conduction Material content, so as to improve the capacity of heat transmission of the first heat conducting pipe 154, makes the first heat conducting pipe 154
Can be quickly by heat transfer caused by resonant rod 110 to the position away from resonant rod 110.
More preferably, boss 150 also includes the second heat conducting pipe 156.First heat conducting pipe 154 passes through the second heat conduction with housing 130
Pipe 156 connects.Six the first heat conducting pipes 154 shown in Fig. 2 are connected with the second heat conducting pipe 156.Second heat conducting pipe 156 can be
Solid tubes can also be hollow pipe.In the present embodiment, the second heat conducting pipe 156 and the first heat conducting pipe 154 are hollow pipe, and second
Heat conducting pipe 156 has the second cavity (not marked in figure).The first cavity is interconnected with the second cavity in the present embodiment, in this reality
With in new other embodiment, the first cavity and the second cavity can also be non-connected states.Second heat conducting pipe 156 and first
Material, shape, the size of heat conducting pipe 154 can be the same or different.
The normal work of resonant rod 110, the second heat conducting pipe 156 and shell are influenceed further to prevent liquid from being entered by hollow pipe
Body 130 is connected by conduction heat sealable part 158.Conduction heat sealable part 158 is such as can be sheet metal, graphite flake, grapheme material
The preferable material of the capacity of heat transmission.In the present embodiment, the setting of conduction heat sealable part 158 meets the second of the second heat conducting pipe 156 of sealing
Cavity.
When only shell outer wall 134 sets metal heat-conducting layer or nonmetallic heat conductive layer, it is preferred that in order to quickly to humorous
The a large amount of heat energy caused by bar 110 that shake are shifted, and conduction heat sealable part 158 is arranged on shell outer wall 134.Make the second heat conducting pipe
156 are connected through shell inwall 132 with conduction heat sealable part 158.The overlapping area of conduction heat sealable part 158 and shell outer wall 134 can be set
That counts is larger, is advantageous to flash heat transfer.
It should be noted that the preparation of housing 130 and boss 150 can be carried out with the following method：
By the first heat conducting pipe 154, the 156 previously prepared completion of the second heat conducting pipe.Using mould, plastics are directly molded on
On one heat conducting pipe 154, the second heat conducting pipe 156, and form cavity 136.Finally electroplated, metal heat-conducting layer is formed at outside shell
On wall 134.
In the present embodiment, resonant rod 110 1 shares 8, and cavity 136 is bilateral structure, and the two sides of cavity 136 is respectively symmetrically
4 resonant rods 110 are set.Certainly, according to specific work requirements, the quantity of resonant rod 110 can be adjusted accordingly.This
In embodiment, the resonant rod 110 that the two sides of cavity 136 is set is coaxial, can not also in other embodiment of the present utility model
Coaxially.
The operation principle of wave filter 100 is：
Wave filter 100 starts filtering operation, and resonant rod 110 produces a large amount of heat energy.First heat conducting pipe 154 quickly passes heat
It is delivered on the second heat conducting pipe 156.Heat is delivered to shell inwall 132 by the second heat conducting pipe 156 by conduction heat sealable part 158, is formed
The radiating of large area.Shell inwall 132 transfers heat to shell outer wall 134, and heat derived from shell outer wall 134 being capable of shape in atmosphere
Into convection current, quickly heat is shifted.The stabilization of resonant rod 110, lasting ability to work are ensure that, and ensure that wave filter 100 is whole
Body weight is smaller.
The utility model embodiment also provides a kind of filter circuit, is mainly used in filtering off the ripple in rectifier output voltage,
It mainly includes wave filter 100.
Embodiment 2
Fig. 3 is refer to, the present embodiment provides a kind of wave filter 200, and it is roughly the same with the wave filter 100 of embodiment 1, and two
The difference of person is：
Fig. 4 is refer to, Fig. 4 is the sectional view of the A-A sections of wave filter 200.Wave filter 200 includes resonant rod 110, housing
130th, boss 250.Resonant rod 110 is connected with housing 130 by boss 250.
Boss 250 includes the heat conducting pipe 254 of boss body 252 and first.One end of resonant rod 110 connects with boss body 252
Connect, the other end and housing 130 of resonant rod 110 are spaced apart.Boss body 252 is run through in one end of first heat conducting pipe 254
It is connected with resonant rod 110.The other end of first heat conducting pipe 254 is connected with housing 130.
The present embodiment convexity playscript with stage directions body 252 preferably selects plastic material to mitigate the quality of wave filter 200.In this implementation
In example, heat-conducting layer is set on the surface of boss body 252, the mode of setting can use the method for electroplating either coating.Lead
Thermosphere is made up of layers of copper and silver layer.Because boss body 252 directly contacts with resonant rod 110, heat-conducting layer is provided with beneficial to will
Heat fast transfer caused by resonant rod 110 is to housing 130.
First heat conducting pipe 254 can be solid tubes, or hollow pipe.The first heat conducting pipe 254 is real in the present embodiment
Heart pipe.The quantity for the first heat conducting pipe 254 that each resonant rod 110 is connected is 2 or 3 in the present embodiment.First heat conducting pipe 254
Diameter can suitably increased or decrease, to adjust the heat-sinking capability of wave filter 200.
The first heat conducting pipe 254 can be arranged to hollow pipe in the utility model other embodiment.First heat conducting pipe 254 is sky
During heart pipe, in order to further prevent liquid, such as water, into the first heat conducting pipe 254 so as to influenceing the normal work of resonant rod 110
Make, it is necessary to connect conduction heat sealable part (not shown) in the one end of the first heat conducting pipe 254 away from resonant rod 110.First is set to lead
Heat pipe 254 is connected with housing 130 by conduction heat sealable part.The conduction heat sealable part can be carried out to the cavity of the first heat conducting pipe 154
Sealing, prevents liquid from entering cavity.
In the present embodiment, the quantity of resonant rod 110 is 4, and cavity 136 is single-sided structure, more easily can be led first
Heat pipe 254 is directly connected (connected mode includes both and contacted with each other) with housing 130.
The operation principle of wave filter 200 is：
Wave filter 200 starts filtering operation, and resonant rod 110 produces a large amount of heat energy.First heat conducting pipe 254 quickly passes heat
Housing 130 is delivered to, forms the radiating of large area.Meanwhile boss body 252 also passes through partial heat energy caused by resonant rod 110
The metal heat-conducting layer on its surface is quickly transferred to housing 130, forms the radiating of large area.
The utility model embodiment also provides a kind of filter circuit, is mainly used in filtering off the ripple in rectifier output voltage,
It mainly includes wave filter 200.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of wave filter, it is characterised in that including housing, resonant rod, boss, the resonant rod, the boss may be contained within
The cavity that the housing is formed, the resonant rod are connected with the boss；
The boss includes boss body, the first heat conducting pipe, and the boss body is connected with the resonant rod, first heat conduction
Pipe runs through the boss body, and one end of first heat conducting pipe is connected with the resonant rod, and the other end is connected with the housing.
2. wave filter according to claim 1, it is characterised in that first heat conducting pipe is solid tubes or hollow pipe.
3. wave filter according to claim 2, it is characterised in that first heat conducting pipe is the hollow pipe, described
The one end of one heat conducting pipe away from the resonant rod is connected with conduction heat sealable part to prevent liquid from entering first heat conducting pipe.
4. wave filter according to claim 1, it is characterised in that the boss also includes the second heat conducting pipe, and described first
Heat conducting pipe is connected with the housing by second heat conducting pipe.
5. wave filter according to claim 4, it is characterised in that the boss also includes conduction heat sealable part, and described first
Heat conducting pipe and second heat conducting pipe are hollow pipe, and second heat conducting pipe is connected by the conduction heat sealable part and the housing
Connect to prevent liquid from entering second heat conducting pipe.
6. wave filter according to claim 1, it is characterised in that the housing includes shell inwall and shell outer wall, the shell
Inwall forms the cavity, and first heat conducting pipe is through the shell inwall and the shell wall contacts.
7. wave filter according to claim 6, it is characterised in that the shell inwall and/or the shell outer wall are provided with heat conduction
Layer.
8. wave filter according to claim 7, it is characterised in that the heat-conducting layer includes metal heat-conducting layer and/or non-gold
Belong to heat-conducting layer.
9. wave filter according to claim 7, it is characterised in that the boss body surface is provided with the heat-conducting layer.
10. a kind of filter circuit, it is characterised in that including the wave filter as described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429491.0U CN206820096U (en) | 2017-04-21 | 2017-04-21 | A kind of wave filter and filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429491.0U CN206820096U (en) | 2017-04-21 | 2017-04-21 | A kind of wave filter and filter circuit |
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| Publication Number | Publication Date |
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| CN206820096U true CN206820096U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720429491.0U Active CN206820096U (en) | 2017-04-21 | 2017-04-21 | A kind of wave filter and filter circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921013A (en) * | 2017-04-21 | 2017-07-04 | 深圳市威富通讯技术有限公司 | A kind of wave filter and filter circuit |
-
2017
- 2017-04-21 CN CN201720429491.0U patent/CN206820096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921013A (en) * | 2017-04-21 | 2017-07-04 | 深圳市威富通讯技术有限公司 | A kind of wave filter and filter circuit |
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