CN215452184U

CN215452184U - Heat dissipation device for coaxial fixed attenuator

Info

Publication number: CN215452184U
Application number: CN202121292564.9U
Authority: CN
Inventors: 李金华
Original assignee: Xi'an Yijia Innovation Technology Co ltd
Current assignee: Xi'an Yijia Innovation Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-07
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a heat dissipation device for a coaxial fixed attenuator, which comprises a box body, a bearing screen plate, a box cover and a movable heat dissipation assembly, wherein the bearing screen plate is arranged in the box body, the bearing screen plate divides the box body into a containing cavity and a heat dissipation installation cavity, the movable heat dissipation assembly is arranged in the heat dissipation installation cavity, the bearing screen plate divides the box body into the containing cavity and the heat dissipation installation cavity, the movable heat dissipation assembly is arranged in the heat dissipation installation cavity, and the box cover is arranged on the box body in an opening and closing manner. The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device for a coaxial fixed attenuator with uniform heat dissipation.

Description

Heat dissipation device for coaxial fixed attenuator

Technical Field

The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device for a coaxial fixed attenuator.

Background

At present, the coaxial fixed attenuator only adopts fins for heat dissipation, the heat dissipation effect is not ideal enough, the use of the coaxial fixed attenuator is influenced, the service life is shortened, and in order to solve the problems, the heat dissipation device for the coaxial fixed attenuator is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the present invention provides a heat dissipation device for a coaxial fixed attenuator, which can dissipate heat uniformly.

The technical scheme adopted by the utility model is as follows: the utility model relates to a heat dissipation device for a coaxial fixed attenuator, which comprises a box body, a bearing screen plate, a box cover and a movable heat dissipation assembly, wherein the bearing screen plate is arranged in the box body and divides the box body into a containing cavity and a heat dissipation installation cavity, the movable heat dissipation assembly is arranged in the heat dissipation installation cavity and divides the box body into the containing cavity and the heat dissipation installation cavity, the movable heat dissipation assembly is arranged in the heat dissipation installation cavity, the box cover is arranged on the box body in an opening and closing manner, the movable heat dissipation assembly comprises a track plate, a first sliding seat, a second sliding seat, a fixed support, a driving gear, a driven gear, a chain belt and a heat dissipation fan, the track plate is arranged on the bottom wall of the heat dissipation installation cavity, two groups of slide rail grooves are arranged on the track plate in parallel, the first sliding seat and the second sliding seat are respectively arranged on the two groups of slide rail grooves in a sliding manner, the fixed support is arranged in the middle of the track plate, and the driving gear and the driven gear are respectively arranged at two ends of the first sliding seat, the chain belt both ends are cup jointed and are located on driving gear and driven gear, the chain belt both sides all are equipped with the spliced pole, the fixed bolster is connected with the spliced pole of chain belt one side, the spliced pole of the opposite side of sliding seat two and chain belt is connected, the heat dissipation fan is located on the sliding seat two.

Furthermore, the upper part of the side wall of the box body is provided with an air outlet mesh.

Further, an air inlet net is arranged at the bottom of the box body, a long groove parallel to the air inlet net is arranged at the bottom of the box body, a mounting seat is arranged in the long groove in a sliding mode, a cleaning brush plate is arranged on the mounting seat, the cleaning brush plate is in contact with the brush and is movably arranged on the air inlet net, a limiting slide rod is arranged in the long groove, the mounting seat is arranged on the limiting slide rod in a sleeved mode in a sliding mode, a sleeve is arranged on the mounting seat, and the sleeve is arranged on the limiting slide rod in a sleeved mode in a sliding mode and penetrates through the long groove to extend to the outer side of the box body.

Further, the outer end of the sleeve is provided with a handle.

Furthermore, a motor is arranged in the first sliding seat and connected with the driving gear.

The utility model with the structure has the following beneficial effects: according to the scheme, the gear transmission is utilized to drive the chain belt to rotate for amplifying the stroke, so that the sliding seat II is driven to move for a long distance to drive the heat dissipation fan to move, the moving heat dissipation fan is utilized to realize uniform contact between cold air and the heat dissipation fins on the coaxial fixed attenuator, and the heat dissipation effect is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a heat sink for a coaxial fixed attenuator according to the present invention;

FIG. 2 is a bottom view of a heat sink for a coaxial fixed attenuator according to the present invention;

FIG. 3 is a schematic structural view of a track plate of a heat dissipation device for a coaxial fixed attenuator according to the present invention;

fig. 4 is a schematic structural diagram of a movable heat dissipation assembly of a heat dissipation device for a coaxial fixed attenuator according to the present invention.

The device comprises a box body 1, a box body 2, a bearing screen plate 3, a box cover 4, a movable heat dissipation assembly 5, a track plate 6, a sliding seat I, a sliding seat II, a sliding seat 8, a fixed support 9, a driving gear 10, a driven gear 11, a chain belt 12, a heat dissipation fan 13, a sliding rail groove 14, a handle 15, an air outlet mesh hole 16, an air inlet mesh 17, a long groove 18, a mounting seat 19, a cleaning brush plate 20, a limiting sliding rod 21 and a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, the heat dissipation device for a coaxial fixed attenuator of the present invention comprises a box body 1, a bearing screen 2, a box cover 3 and a movable heat dissipation assembly 4, wherein the bearing screen 2 is disposed in the box body 1, the bearing screen 2 divides the box body 1 into a containing cavity and a heat dissipation installation cavity, the movable heat dissipation assembly 4 is disposed in the heat dissipation installation cavity, the box cover 3 is disposed on the box body 1 in an opening and closing manner, the movable heat dissipation assembly 4 comprises a track plate 5, a first sliding seat 6, a second sliding seat 7, a fixed support 8, a driving gear 9, a driven gear 10, a chain belt 11 and a heat dissipation fan 12, the track plate 5 is disposed on the bottom wall of the heat dissipation installation cavity, the track plate 5 is disposed in parallel with two sets of slide rail grooves 13, the first sliding seat 6 and the second sliding seat 7 are respectively slidably disposed on the two sets of slide rail grooves 13, the fixed support 8 is disposed in the middle of the track plate 5, the driving gear 9 and the driven gear 10 are respectively rotatably disposed at two ends of the first sliding seat 6, two ends of the chain belt 11 are sleeved on the driving gear 9 and the driven gear 10, connecting columns are arranged on two sides of the chain belt 11, the fixed support 8 is connected with the connecting column on one side of the chain belt 11, the sliding seat II 7 is connected with the connecting column on the other side of the chain belt 11, and the heat dissipation fan 12 is arranged on the sliding seat II 7.

Wherein, the upper part of the side wall of the box body 1 is provided with an air outlet mesh 15; the bottom of the box body 1 is provided with an air inlet net 16, the bottom of the box body 1 is provided with a long groove 17 parallel to the air inlet net 16, an installation seat 18 is arranged in the long groove 17 in a sliding mode, a cleaning brush plate 19 is arranged on the installation seat 18, the cleaning brush plate 19 is in contact with and arranged on the air inlet net 16 in a brush mode, a limiting slide rod 20 is arranged in the long groove 17, the installation seat 18 is arranged on the limiting slide rod 20 in a sliding and sleeved mode, a sleeve 21 is arranged on the installation seat 18 in a sliding and sleeved mode, the sleeve 21 is arranged on the limiting slide rod 20 in a sliding and sleeved mode and penetrates through the long groove 17 to extend to the outer side of the box body 1; the outer end of the sleeve 21 is provided with a handle 14; the sliding seat I6 is provided with a motor (not shown in the figure), and the motor is connected with the driving gear 9.

When the coaxial fixed attenuator is used, the box cover 3 is opened, the coaxial fixed attenuator is placed on the bearing screen plate 2, heat generated by the coaxial fixed attenuator during working is conducted to the fins, then the motor is started to drive the driving gear 9 to rotate, the chain belt 11 is driven to rotate, and the sliding seat I6 and the sliding seat II 7 are driven to move, the moving stroke of the sliding seat II 7 is twice that of the sliding seat I6, the sliding seat II 7 drives the heat dissipation fan 12 to move, and cold air is driven by the heat dissipation fan 12 through the air inlet net 16 to be quickly blown to the fins on the coaxial fixed attenuator to achieve the purpose of uniform heat dissipation; when dust is accumulated on the air inlet net 16, the pull handle 14 pulls the sleeve 21 to drive the cleaning brush plate 19 to move so as to clean the air inlet net 16.

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.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A heat dissipation device for a coaxial fixed attenuator is characterized in that: the box body is divided into a containing cavity and a heat dissipation installation cavity by the bearing screen plate, the heat dissipation assembly is arranged in the heat dissipation installation cavity, the box cover is arranged on the box body in an opening and closing manner, the heat dissipation assembly comprises a track plate, a first sliding seat, a second sliding seat, a fixed support, a driving gear, a driven gear, a chain belt and a heat dissipation fan, the track plate is arranged on the bottom wall of the heat dissipation installation cavity, two groups of sliding rail grooves are arranged on the track plate in parallel, the first sliding seat and the second sliding seat are respectively arranged on the two groups of sliding rail grooves in a sliding manner, the fixed support is arranged in the middle of the track plate, the driving gear and the driven gear are respectively arranged at the two ends of the first sliding seat in a rotating manner, the two ends of the chain belt are sleeved on the driving gear and the driven gear, connecting columns are arranged at the two sides of the chain belt, the fixed support is connected with the connecting column on one side of the chain belt, the second sliding seat is connected with the connecting column on the other side of the chain belt, and the heat dissipation fan is arranged on the second sliding seat.

2. The heat dissipating device for a coaxial fixed attenuator according to claim 1, wherein: and the upper part of the side wall of the box body is provided with an air outlet mesh.

3. The heat dissipating device for a coaxial fixed attenuator according to claim 2, wherein: the cleaning brush box is characterized in that an air inlet net is arranged at the bottom of the box body, a long groove parallel to the air inlet net is arranged at the bottom of the box body, a mounting seat is arranged in the long groove in a sliding mode, a cleaning brush plate is arranged on the mounting seat, a contact brush of the cleaning brush plate is movably arranged on the air inlet net, a limiting slide rod is arranged in the long groove, the mounting seat is arranged on the limiting slide rod in a sliding sleeved mode, a sleeve is arranged on the mounting seat, and the sleeve is arranged on the limiting slide rod in a sliding sleeved mode and penetrates through the long groove to extend to the outer side of the box body.

4. A heat dissipating device for a coaxial fixed attenuator according to claim 3, wherein: the outer end of the sleeve is provided with a handle.

5. The heat dissipating device for a coaxial fixed attenuator according to claim 1, wherein: and a motor is arranged in the sliding seat I and is connected with the driving gear.