CN108899623A - A kind of attenuator - Google Patents
A kind of attenuator Download PDFInfo
- Publication number
- CN108899623A CN108899623A CN201810691056.4A CN201810691056A CN108899623A CN 108899623 A CN108899623 A CN 108899623A CN 201810691056 A CN201810691056 A CN 201810691056A CN 108899623 A CN108899623 A CN 108899623A
- Authority
- CN
- China
- Prior art keywords
- attenuator
- heat
- cavity
- heat conducting
- conducting sleeve
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of attenuators, including transmission pole, there is cavity in transmission pole, the both ends of transmission pole are separately installed with input port and output port, attenuator is equipped in cavity, the two sides of attenuator are sticked in the groove of cavity, and coated with thermally conductive glue between groove and attenuator, one end of attenuator is connected by a contact pin with input port, the other end of attenuator is connected by another contact pin with output port, the periphery of transmission pole is arranged with heat conducting sleeve, several radiating fins are circumferentially provided on the lateral wall of heat conducting sleeve, heat conducting sleeve is radially connected multiple heat conducting bars protruded into cavity.Attenuator generates heat at work in this way, and heat is dispersed into cavity, and the heat in cavity is imported on heat conducting sleeve by heat conducting bar, and the heat on heat conducting sleeve is dispersed into air finally by several radiating fins.Therefore, compared with prior art, the present invention has the advantages that perfect heat-dissipating.
Description
Technical field
The present invention relates to communications electronics components, and in particular to a kind of attenuator.
Background technique
Attenuator is widely used in microwave radio field, such as decays to radiofrequency signal, be distorted to prevent stop signal etc.,
Requirement due to attenuator to heat dissipation is relatively high, and the structure of existing attenuator is unsuitable for being fabricated to the decaying of relatively high power
Device.Therefore, it is necessary to propose a kind of new technical solution.
Summary of the invention
The present invention proposes a kind of attenuator, solves the problems, such as that heat dissipation performance of the existing technology is poor.
To achieve the goals above, the technical scheme is that：A kind of attenuator, including transmission pole, the transmission pole
Interior to have cavity, the both ends of the transmission pole are separately installed with input port and output port, are equipped with attenuator in the cavity,
The two sides of the attenuator are sticked in the groove of the cavity, and coated with thermally conductive glue between the groove and the attenuator, institute
The one end for stating attenuator is connected by a contact pin with the input port, and the other end of the attenuator passes through another contact pin and institute
It states output port to be connected, the periphery of the transmission pole is arranged with heat conducting sleeve, is circumferentially arranged on the lateral wall of the heat conducting sleeve
There are several radiating fins, the heat conducting sleeve is radially connected there are multiple heat conducting bars protruded into the cavity.
Preferably, the radiating fin includes connected inner fovea part and bulb.
Preferably, the both side surface of the inner fovea part is arc surface.
Preferably, the cross section profile of the bulb is in large semi-circular.
Preferably, heat-dissipating cavity and several heat release holes are offered in the radiating fin, so the one of several heat release holes
End is connected to the heat-dissipating cavity, and the other end of several heat release holes is in communication with the outside.
Preferably, the heat-dissipating cavity extends to the bulb by the junction of the inner fovea part and the heat conducting sleeve
Interior, several heat release holes are located in the bulb.
Preferably, several heat release holes are in the shape of a spiral.
Compared with prior art, present invention tool has the advantage that：In attenuator proposed by the present invention, the periphery of transmission pole covers
Equipped with heat conducting sleeve, be circumferentially provided with several radiating fins on the lateral wall of heat conducting sleeve, heat conducting sleeve is radially connected have it is multiple
Protrude into the heat conducting bar in cavity.Attenuator generates heat at work in this way, and heat is dispersed into cavity, and heat conducting bar is by the warm in cavity
Amount is imported on heat conducting sleeve, and the heat on heat conducting sleeve is dispersed into air finally by several radiating fins.Therefore, it compares
The prior art, the present invention have the advantages that perfect heat-dissipating.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is the partial enlarged view of part A in Fig. 1.
In figure：1-transmission pole, 2-input ports, 3-output ports, 4-attenuators, 5-contact pins, 6-heat conducting sleeves,
7-radiating fins, 8-heat conducting bars, 11-cavitys, 71-inner fovea parts, 72-bulbs, 73-heat-dissipating cavities, 74-heat release holes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of attenuator proposed by the present invention, including transmission pole 1, transmission pole 1 is interior to have cavity 11, transmission
The both ends of bar 1 are separately installed with input port 2 and output port 3, and attenuator 4 is equipped in cavity 11, and the two sides of attenuator 4 engage
In the groove of cavity 11, and coated with thermally conductive glue between groove and attenuator 4, one end of attenuator 4 pass through a contact pin 5 and input terminal
Mouth 2 is connected, and the other end of attenuator 4 is connected by another contact pin 5 with output port 3, and the periphery of transmission pole 1 is arranged with heat conducting sleeve
Cylinder 6, is circumferentially provided with several radiating fins 7 on the lateral wall of heat conducting sleeve 6, and heat conducting sleeve 6 is radially connected to be had and multiple protrude into sky
Heat conducting bar 8 in chamber 11.
Attenuator 4 generates heat at work in this way, and heat is dispersed into cavity 11, and heat conducting bar 8 leads the heat in cavity 11
Enter onto heat conducting sleeve 6, the heat on heat conducting sleeve 6 is dispersed into air finally by several radiating fins 7.
As depicted in figs. 1 and 2, in the present embodiment, radiating fin 7 includes connected inner fovea part 71 and bulb 72.Indent
Portion 71 and bulb 72 can effectively increase the surface area of radiating fin 7, so that the contact area of radiating fin 7 and air increases
Greatly, be conducive to heat so to be quickly dispersed into air from radiating fin 7.
As depicted in figs. 1 and 2, in the present embodiment, the both side surface of inner fovea part 71 is arc surface.It not only can increase
The surface area of radiating fin 7, and can effectively reduce flow resistance of the radiating fin 7 to the air-flow for flowing through it, it is then promoted and is dissipated
The heat transfer effect of hot fin 7.
As depicted in figs. 1 and 2, in the present embodiment, the cross section profile of bulb 72 is in large semi-circular.It not only can increase
The surface area of big radiating fin 7, and can effectively reduce flow resistance of the radiating fin 7 to the air-flow for flowing through it, then promoted
The heat transfer effect of radiating fin 7.
As depicted in figs. 1 and 2, in the present embodiment, heat-dissipating cavity 73 and several heat release holes are offered in radiating fin 7
74, so one end of several heat release holes 74 is connected to heat-dissipating cavity 73, the other end of several heat release holes 74 is in communication with the outside.Heat dissipation
The presence of cavity 73 and several heat release holes 74 can preferably realize the heat exchange effect of the heat and outside air in radiating fin 7
Fruit.
As depicted in figs. 1 and 2, in the present embodiment, heat-dissipating cavity 73 is extended by the junction of inner fovea part 71 and heat conducting sleeve 6
To bulb 72, several heat release holes 74 are located in bulb 72.Several heat release holes 74 are in the shape of a spiral.Pass through in this way in air-flow
Heat release hole 74 can take away more heats during flowing through in radiating fin 7.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of attenuator, which is characterized in that including transmission pole (1), there are cavity (11) in the transmission pole (1), the biography
The both ends of defeated bar (1) are separately installed with input port (2) and output port (3), are equipped with attenuator (4) in the cavity (11),
The two sides of the attenuator (4) are sticked in the groove of the cavity (11), and coat between the groove and the attenuator (4)
One end of heat-conducting glue, the attenuator (4) is connected by a contact pin (5) with the input port (2), the attenuator (4)
The other end is connected by another contact pin (5) with the output port (3), and the periphery of the transmission pole (1) is arranged with heat conducting sleeve
(6), it is circumferentially provided with several radiating fins (7) on the lateral wall of the heat conducting sleeve (6), the heat conducting sleeve (6) radially connects
It is connected to multiple heat conducting bars (8) protruded into the cavity (11).
2. attenuator according to claim 1, it is characterised in that：The radiating fin (7) includes connected inner fovea part
(71) and bulb (72).
3. attenuator according to claim 2, it is characterised in that：The both side surface of the inner fovea part (71) is arc surface.
4. attenuator according to claim 3, it is characterised in that：The cross section profile of the bulb (72) is in large semicircle
Shape.
5. attenuator according to claim 4, it is characterised in that：Heat-dissipating cavity is offered in the radiating fin (7)
(73) and several heat release holes (74), so one end of several heat release holes (74) is connected to the heat-dissipating cavity (73), if described
The other end of dry heat release hole (74) is in communication with the outside.
6. attenuator according to claim 5, it is characterised in that：The heat-dissipating cavity (73) by the inner fovea part (71) with
The junction of the heat conducting sleeve (6) extends in the bulb (72), and several heat release holes (74) are located at described expand
In portion (72).
7. attenuator according to claim 6, it is characterised in that：Several heat release holes (74) are in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691056.4A CN108899623A (en) | 2018-06-28 | 2018-06-28 | A kind of attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810691056.4A CN108899623A (en) | 2018-06-28 | 2018-06-28 | A kind of attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108899623A true CN108899623A (en) | 2018-11-27 |
Family
ID=64346994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810691056.4A Pending CN108899623A (en) | 2018-06-28 | 2018-06-28 | A kind of attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108899623A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997202A (en) * | 2012-11-22 | 2013-03-27 | 天津海宇光电科技有限公司 | Heat sink structure of LED mining lamp |
| CN107369870A (en) * | 2017-08-21 | 2017-11-21 | 江苏凡为通信科技有限公司 | A kind of attenuator |
-
2018
- 2018-06-28 CN CN201810691056.4A patent/CN108899623A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997202A (en) * | 2012-11-22 | 2013-03-27 | 天津海宇光电科技有限公司 | Heat sink structure of LED mining lamp |
| CN107369870A (en) * | 2017-08-21 | 2017-11-21 | 江苏凡为通信科技有限公司 | A kind of attenuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |
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| RJ01 | Rejection of invention patent application after publication |