CN216488455U - Power combiner - Google Patents

Abstract

The utility model discloses a power combiner, including box body and the conductor area that sets up in the box body inside, box body top surface fixed mounting has the upper cover plate, box body bottom surface fixed mounting has the lower cover plate, the upper cover plate with the lower cover plate surface all has protruding heat radiation fins, be provided with the heat conduction mechanism that multiunit is used for heat conduction between the upper cover plate with the lower cover plate internal surface each other symmetry, the box body side is provided with the input interface, the upper cover plate top surface is provided with the output interface, output interface with the input interface respectively with the conductor area electric connection, be provided with the stop gear who is used for fixing a position the conductor area between the upper cover plate internal surface and the conductor area, the heat conduction mechanism is along the extending direction evenly distributed of conductor area; the utility model discloses can accelerate the radiating efficiency, and then can reduce the probability that the inside electronic component heat of box body is concentrated to improve the device's life.

Description

Power combiner

Technical Field

The utility model relates to a wave filter technical field specifically is a power combiner.

Background

The power combiner is an important component of a centralized solid-state transmission system, and is widely applied to power combination of semiconductor devices. Generally, a power divider is used to divide the power output of a preceding stage power amplifier into multiple paths to drive each final stage amplifier, and then the output powers of the final stage amplifiers are combined to obtain the required output power.

However, in order to ensure sufficient shielding performance of the conventional power combiner, electronic components are generally sealed in a metal shell, which easily causes slow dissipation of internal heat, causes heat concentration, and makes the internal electronic components easily damaged, resulting in a short service life.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a power combiner to solve the problems in the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power combiner, includes the box body and sets up in the inside conductor area of box body, box body top surface fixed mounting has the upper cover plate, box body bottom surface fixed mounting has lower apron, the upper cover plate with it all has heat radiation fins to lap the surface down, the upper cover plate with the mutual symmetry is provided with the heat conduction mechanism that the multiunit is used for the heat conduction down between the internal surface of apron, the box body side is provided with input interface, the upper cover plate top surface is provided with output interface, output interface with input interface respectively with conductor area electric connection, the upper cover plate internal surface with be provided with between the conductor area and be used for the location the stop gear in conductor area.

Further, the heat conducting mechanisms are uniformly distributed along the extending direction of the conductor strip, wherein the heat conducting mechanisms on the inner surfaces of the upper cover plate and the lower cover plate are symmetrically abutted against the top and bottom surfaces of the conductor strip.

Furthermore, stop gear including offer in the spacing mounting hole on conductor strip surface and fixed mounting in the spacing pillar of upper cover plate internal surface, the inside sliding connection of spacing pillar has spacing post, spacing bottom of the post face with spacing pillar is fixed with spacing spring between the interior, spacing post fixed embedding in inside the spacing mounting hole.

Further, the limiting installation hole is formed in the position of an inflection point of the conductor strip.

Furthermore, the limiting support column and the limiting column are made of insulating materials.

Furthermore, the heat conduction mechanism comprises heat conduction pillars symmetrically and fixedly installed on the inner surfaces of the upper cover plate and the lower cover plate, heat conduction pillars are connected inside the heat conduction pillars in a sliding mode, buffer springs are fixedly embedded between the bottom surfaces of the heat conduction pillars and the inside of the heat conduction pillars, heat conduction fins are fixedly welded at the top ends of the heat conduction pillars, insulating silicon grease layers wrap the top surfaces of the heat conduction fins, and the heat conduction pillars, the buffer springs, the heat conduction pillars and the heat conduction fins are made of red copper materials.

Furthermore, the heat conducting sheet is tightly attached to the surface of the conductor strip through the insulating silicone grease layer, and the diameter of the heat conducting sheet is the same as the width of the conductor strip.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses be provided with heat conduction mechanism, be provided with heat radiation fins simultaneously at the upper cover plate with lap the surface down, can with the heat direct transmission that the conductor area during operation produced apron and upper cover plate outdiffusion down, heat radiation fins can accelerate the radiating efficiency simultaneously, and then can reduce the probability that the inside electronic component heat of box body concentrates to improve the device's life.

(2) The utility model discloses an at inside spacing spring and the buffer spring of being provided with of heat conduction mechanism and stop gear, can receive external impact at the device when, will act on the impact force on conductor strip surface and cushion, and then can greatly reduce the probability that the conductor strip damaged because of external collision for the device's use reliability is higher, and structural strength is higher.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the upper cover plate in the embodiment of FIG. 1;

FIG. 4 is a schematic view of a lower cover plate in the embodiment of FIG. 1;

FIG. 5 is a schematic diagram of a conductor strip structure in the embodiment of FIG. 1;

FIG. 6 is an exploded view of the spacing mechanism in the embodiment of FIG. 1;

fig. 7 is an exploded view of the heat conducting mechanism in the embodiment of fig. 1.

Description of the drawings: 1. a box body; 2. an upper cover plate; 3. a lower cover plate; 4. heat dissipation fins; 5. an output interface; 6. an input interface; 7. a conductor strip; 8. limiting the mounting hole; 9. a limiting strut; 10. a limiting spring; 11. a limiting column; 12. a thermally conductive support; 13. a buffer spring; 14. a heat-conducting column; 15. a heat conductive sheet; 16. and an insulating silicone grease layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7 together, a power combiner includes a box body 1 and a conductor strip 7 disposed inside the box body 1, an upper cover plate 2 is fixedly mounted on a top surface of the box body 1, a lower cover plate 3 is fixedly mounted on a bottom surface of the box body 1, heat dissipation fins 4 are protruded on outer surfaces of the upper cover plate 2 and the lower cover plate 3, a plurality of sets of heat conduction mechanisms for heat conduction are symmetrically disposed between inner surfaces of the upper cover plate 2 and the lower cover plate 3, an input interface 6 is disposed on a side surface of the box body 1, an output interface 5 is disposed on a top surface of the upper cover plate 2, the output interface 5 and the input interface 6 are electrically connected with the conductor strip 7, and a limiting mechanism for positioning the conductor strip 7 is disposed between an inner surface of the upper cover plate 2 and the conductor strip 7.

In order to achieve the uniformity of heat dissipation, the heat conduction mechanisms are uniformly distributed along the extending direction of the conductor strip 7, wherein the heat conduction mechanisms on the inner surfaces of the upper cover plate 2 and the lower cover plate 3 are symmetrically abutted against the top and bottom surfaces of the conductor strip 7, so that the heat on the surface of the conductor strip 7 can be sufficiently conducted, and the heat dissipation efficiency is ensured.

In order to carry out the external impact force of buffering when injecing conductor area 7 position, stop gear is including offering in the spacing mounting hole 8 on conductor area 7 surface and fixed mounting in the spacing pillar 9 of 2 internal surfaces of upper cover plate, spacing pillar 9 internal sliding connection has spacing post 11 simultaneously, through having spacing spring 10 at fixed embedding between spacing post 11 bottom surface and spacing pillar 9, can utilize spacing spring 10 to weaken the impact force when receiving external impact force, spacing post 11 is fixed to be embedded in inside spacing mounting hole 8 simultaneously, can inject conductor area 7's position.

Wherein, through setting up spacing mounting hole 8 in conductor strip 7's inflection point position department, the stability of support can fully be guaranteed.

Wherein, through setting up spacing pillar 9 and spacing post 11 all to insulating material and make, can avoid causing the interference to conductor strip 7.

In order to buffer external impact force while conducting heat, the heat conduction mechanism comprises a heat conduction strut 12 which is symmetrically and fixedly installed on the inner surfaces of an upper cover plate 2 and a lower cover plate 3, meanwhile, a heat conduction column 14 is connected to the inner part of the heat conduction column 12 in a sliding mode, a buffer spring 13 is fixedly embedded between the bottom surface of the heat conduction column 14 and the inner part of the heat conduction strut 12, the impact force can be weakened by the buffer spring 13 when the external impact force is received, a heat conduction sheet 15 is fixedly welded to the top end of the heat conduction column 14, an insulating silicone grease layer 16 wraps the top surface of the heat conduction sheet 15, the heat conduction column can be conveniently contacted with a conductor belt 7, meanwhile, the heat conduction strut 12, the buffer spring 13, the heat conduction column 14 and the heat conduction sheet 15 are made of red copper, and the heat conduction can be guaranteed by the characteristics of the red copper.

The heat conducting sheet 15 is tightly attached to the surface of the conductor strip 7 through the insulating silicone grease layer 16, so that good heat conductivity can be guaranteed, insulativity can be guaranteed, meanwhile, the diameter of the heat conducting sheet 15 is the same as the width of the conductor strip 7, and heat on the surface of the conductor strip 7 can be conducted in time.

To sum up, in the operation of the power combiner provided by the utility model, firstly, the position of the conductor strip 7 can be limited by the matching of the limiting column 11 and the limiting mounting hole 8, and meanwhile, the symmetrically arranged heat conducting fins 15 are tightly pressed against the top bottom surface of the conductor strip 7 through the insulating silicone grease layer 16 to support the conductor strip, so as to keep the stability of the conductor strip inside the upper cover plate 2;

secondly, when the conductor strip 7 generates heat in the working process, the heat can be quickly transmitted to the heat-conducting fins 15 through the insulating silicone grease layer 16, and is sequentially transmitted to the inner parts of the lower cover plate 3 and the upper cover plate 2 through the heat-conducting fins 15, and then is diffused outwards through the heat-radiating fins 4, so that the heat transmission efficiency is improved, the heat generated by the conductor strip 7 can be directly transmitted to the lower cover plate 3 and the upper cover plate 2 to be diffused outwards, meanwhile, the heat-radiating fins 4 can accelerate the heat-radiating efficiency, the probability of heat concentration of electronic components in the box body 1 can be reduced, and the service life of the device is prolonged;

finally, when the device received external impact, through being provided with spacing spring 10 and buffer spring 13, can cushion the impact force that acts on conductor strip 7 surface, and then can greatly reduce the probability that conductor strip 7 damaged because of external collision for the device uses the reliability higher, and structural strength is higher.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A power combiner comprising a case (1) and a conductor strip (7) arranged inside the case (1), characterized in that: the utility model discloses a heat-conducting module, including box body (1), upper cover plate (2), apron (3) under box body (1) top surface fixed mounting, upper cover plate (2) with apron (3) surface all has protruding heat radiation fins (4) down, upper cover plate (2) with mutual symmetry is provided with the heat conduction mechanism that the multiunit is used for the heat conduction down between apron (3) the internal surface, box body (1) side is provided with input interface (6), upper cover plate (2) top surface is provided with output interface (5), output interface (5) with input interface (6) respectively with conductor area (7) electric connection, upper cover plate (2) internal surface with be provided with between conductor area (7) and be used for the location the stop gear of conductor area (7).

2. A power combiner according to claim 1, characterized in that the heat conducting means are evenly distributed along the extension of the conductor strip (7), wherein the heat conducting means on the inner surfaces of the upper cover plate (2) and the lower cover plate (3) are symmetrically pressed against the top and bottom surfaces of the conductor strip (7).

3. The power combiner according to claim 1, wherein the limiting mechanism comprises a limiting mounting hole (8) formed in the surface of the conductor strip (7) and a limiting pillar (9) fixedly mounted on the inner surface of the upper cover plate (2), a limiting post (11) is slidably connected inside the limiting pillar (9), a limiting spring (10) is fixedly embedded between the bottom surface of the limiting post (11) and the inside of the limiting pillar (9), and the limiting post (11) is fixedly embedded inside the limiting mounting hole (8).

4. A power combiner according to claim 3, characterized in that the limiting mounting hole (8) is provided at the location of the inflection point of the conductor strip (7).

5. A power combiner according to claim 3, wherein the limiting strut (9) and the limiting post (11) are made of insulating material.

6. The power combiner of claim 1, wherein the heat conducting mechanism comprises heat conducting pillars (12) symmetrically and fixedly installed on the inner surfaces of the upper cover plate (2) and the lower cover plate (3), heat conducting pillars (14) are slidably connected inside the heat conducting pillars (12), buffer springs (13) are fixedly embedded between the bottom surfaces of the heat conducting pillars (14) and the inside of the heat conducting pillars (12), heat conducting fins (15) are fixedly welded on the top ends of the heat conducting pillars (14), insulating silicone layers (16) wrap the top surfaces of the heat conducting fins (15), and the heat conducting pillars (12), the buffer springs (13), the heat conducting pillars (14) and the heat conducting fins (15) are all made of red copper.

7. A power combiner according to claim 6, characterized in that the heat conducting strip (15) is closely attached to the surface of the conductor strip (7) by the insulating silicone layer (16), and the diameter of the heat conducting strip (15) is the same as the width of the conductor strip (7).

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