CN216057311U

CN216057311U - Set top box with heat dissipation function

Info

Publication number: CN216057311U
Application number: CN202121575580.9U
Authority: CN
Inventors: 刘威智; 谷浩
Original assignee: Suzhou Mengjun Electronics Co ltd
Current assignee: Suzhou Mengjun Electronics Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-15
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the technical field of set top boxes, in particular to a set top box with a heat dissipation function, which comprises a set top box body and a display screen arranged on the front side of the set top box body, wherein four corners of the bottom of the set top box body and a middle position of the bottom of the set top box body are respectively connected with a support column and a shell, a heat dissipation mechanism is arranged in the shell, the set top box body is provided with an opening, the opening is provided with a heat dissipation screen plate, the heat dissipation screen plate is fixedly provided with a rotating plate, the set top box body is close to a heat dissipation screen plate integrally formed mounting seat, the mounting seat is provided with a circular through hole and a plug-in port communicated with the circular through hole, the bottom of the set top box body is hinged with a movable plate, one end of the movable plate, which is higher, is integrally formed with a buckle plate, and one end of the movable plate, which is lower, is fixedly provided with a reset spring. The set top box comprises a set top box body, a heat dissipation screen plate and a heat dissipation mechanism, wherein the heat dissipation screen plate is detachably arranged on the set top box body, and the heat dissipation screen plate is detachably arranged on the heat dissipation screen plate.

Description

Set top box with heat dissipation function

Technical Field

The utility model relates to the technical field of set top boxes, in particular to a set top box with a heat dissipation function.

Background

A digital video converter box, abbreviated as STB, commonly referred to as a set-top box or set-top box, is a device that connects a television set to an external signal source. It can convert the compressed digital signal into television content and display it on the television. The set-top box receives digital content, including electronic program guides, internet web pages, etc., in addition to the images and sounds that an analog television can provide. It enables users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education and commercialization activities over a network.

The set top box is internally provided with complex electronic elements, a large amount of heat can be generated in the using process, so that the temperature in the set top box is increased, but the normal use of the electronic elements and the service life of the set top box are influenced by overhigh temperature, and the set top box needs to be cooled; moreover, after the heat dissipation screen of the set-top box is used for a long time, dust is easily accumulated on the surface of the heat dissipation screen, and the heat dissipation efficiency of the set-top box is affected if the heat dissipation screen is not cleaned.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a set-top box with a heat dissipation function, so as to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a set-top box with a heat dissipation function comprises a set-top box body and a display screen arranged on the front surface of the set-top box body, the four corners at the bottom and the middle position at the bottom of the set-top box body are respectively connected with a support column and a shell, a heat dissipation mechanism is arranged in the shell, the right side wall of the set-top box body is provided with an opening, and the opening is provided with a heat dissipation screen plate, rotating plates are fixedly arranged above two outer side walls of the heat dissipation screen plate, a mounting seat is integrally formed on the outer wall of one side of the set top box body close to the heat dissipation screen plate, and the mounting seat is provided with a circular through hole which is rotationally matched with the rotating plate and a socket which is radially communicated with the circular through hole, the bottom of STB body is the articulated fly leaf that has of slope form, the one end integrated into one piece that the fly leaf is high has the buckle that is used for restricting the position of radiator-grid board with radiator-grid looks butt, the reset spring has set firmly between the bottom surface of the low one end of fly leaf and STB body.

Optionally, heat dissipation mechanism is including setting up the blade in the casing, the bottom rigid coupling of support column has the bottom plate, the top of bottom plate is installed and is used for driving blade pivoted motor, the bottom four corners position of bottom plate all sets firmly anti-skidding base.

Optionally, a temperature sensor and a controller are arranged in the set top box body, a signal output end of the temperature sensor is electrically connected with a signal input end of the controller, and a signal output end of the controller is electrically connected with the motor.

Compared with the prior art, the utility model provides the set top box with the heat dissipation function, which has the following beneficial effects: the set top box comprises a set top box body, a heat dissipation screen plate is detachably arranged on the set top box body, and the heat dissipation screen plate is detachably arranged on the set top box body.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the heat sink plate shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a set-top box body; 101. a display screen; 102. a support pillar; 103. a base plate; 104. an anti-slip base; 105. a mounting seat; 106. a circular through hole; 107. an interface; 108. a housing; 109. an opening; 2. a heat dissipation mechanism; 201. a motor; 202. a blade; 3. a heat dissipation screen plate; 301. a rotating plate; 4. a movable plate; 401. a return spring; 402. and (5) buckling the plate.

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.

Example (b): referring to fig. 1-3, the utility model provides a set top box with a heat dissipation function, which includes a set top box body 1 and a display screen 101 disposed on the front side of the set top box body 1, wherein four corners of the bottom and a middle position of the bottom of the set top box body 1 are respectively connected with a support column 102 and a shell 108, a heat dissipation mechanism 2 is disposed in the shell 108, an opening 109 is disposed on a right side wall of the set top box body 1, a heat dissipation screen 3 is disposed at the opening 109, and the heat dissipation mechanism 2 and the heat dissipation screen 3 are disposed to discharge heat in the set top box body 1 to the outside of the set top box body 1 through the heat dissipation screen 3. Rotating plates 301 are fixedly arranged above two outer side walls of a heat dissipation screen plate 3, a mounting seat 105 is integrally formed on the outer wall of one side, close to the heat dissipation screen plate 3, of a set top box body 1, a circular through hole 106 in rotating fit with the rotating plates 301 and a plug port 107 radially communicated with the circular through hole 106 are formed in the mounting seat 105, a movable plate 4 is hinged to the bottom of the set top box body 1 in an inclined manner, a buckle plate 402 which is abutted to the heat dissipation screen plate 3 and used for limiting the position of the heat dissipation screen plate 3 is integrally formed at the high end of the movable plate 4, a reset spring 401 is fixedly arranged between the low end of the movable plate 4 and the bottom surface of the set top box body 1, the heat dissipation screen plate 3 can be limited to be in a vertical state through the arranged movable plate 4 and the buckle plate 402, and the heat dissipation screen plate 3 cannot shake in the using process; when the heat dissipation screen plate 3 is detached, the heat dissipation screen plate 3 can be rotated upwards by 90 degrees, so that the rotating plate 301 of the heat dissipation screen plate 3 rotates to the plug port 107 of the mounting seat 105 to be flush, and the heat dissipation screen plate 3 can be taken out from the plug port 107 to clean dust on the surface of the heat dissipation screen plate.

The heat dissipation mechanism 2 comprises blades 202 arranged in a shell 108, a bottom plate 103 is fixedly connected to the bottom of a support column 102, a motor 201 used for driving the blades 202 to rotate is mounted at the top of the bottom plate 103, anti-skidding bases 104 are fixedly arranged at four corners of the bottom plate 103, a temperature sensor and a controller are arranged in the set top box body 1, a signal output end of the temperature sensor is electrically connected with a signal input end of the controller, a signal output end of the controller is electrically connected with the motor 201, the temperature sensor can be selected from MAX6625 type intelligent digital temperature sensors, and the type of temperature sensor is widely applied to fan control, temperature alarm, system temperature control and industrial equipment; the controller can be selected as an MSP430F1121 singlechip, the MSP430 is a 16-bit series singlechip proposed by TI company, and the MSP430 has unique advantages in low-power consumption application of battery power supply; the temperature in the set top box body 1 is detected through the signal input end of the temperature sensor, the temperature in the set top box body 1 is too high, the high-temperature signal is transmitted to the signal input end of the controller, and the high-temperature signal is transmitted to the motor 201 through the signal output end after being processed by the controller, so that the motor 201 drives the blades 202 to rotate to generate wind power, and wind power heat dissipation is carried out inside the set top box body 1.

The working principle is as follows: when the set top box is used, after the set top box body 1 is used for a period of time, a large amount of heat is generated and accumulated in the set top box body 1, the heat is dissipated in the set top box body 1 through wind power generated by the heat dissipation mechanism 2, and hot wind is discharged through the heat dissipation screen plate 3, so that heat dissipation in the set top box body 1 is realized; when dust accumulated on the surface of the heat dissipation screen plate 3 needs to be cleaned, the heat dissipation screen plate 3 can be detached and cleaned only by pressing the movable plate 4 and contracting through the return spring 401 to drive the buckle plate 402 on the movable plate 4 to leave the heat dissipation screen plate 3 without limiting the heat dissipation screen plate 3, rotating the heat dissipation screen plate 3 upwards by 90 degrees and taking out from the plug-in port 107 of the mounting seat 105; the cleaned heat dissipation screen plate 3 can be inserted into the circular through hole 106 through the plug 107 of the mounting seat 105 again, the movable plate 4 is pressed, the buckle plate 402 rotates downwards, the heat dissipation screen plate 3 is in a vertical state under the action of gravity, the movable plate 4 is loosened, the buckle plate 102 is abutted against the heat dissipation screen plate 3 again under the rebounding action of the reset spring 401, and the heat dissipation screen plate 3 is limited.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a STB with heat dissipation function, includes STB body (1) and sets up at positive display screen (101) of STB body (1), its characterized in that: the set top box comprises a set top box body (1), wherein a support column (102) and a shell (108) are connected to the four corners of the bottom and the middle of the bottom of the set top box body (1) respectively, a heat dissipation mechanism (2) is arranged in the shell (108), an opening (109) is formed in the right side wall of the set top box body (1), a heat dissipation screen plate (3) is arranged at the opening (109), a rotating plate (301) is fixedly arranged above two outer side walls of the heat dissipation screen plate (3), a mounting seat (105) is integrally formed on the outer wall of one side, close to the heat dissipation screen plate (3), of the set top box body (1), a circular through hole (106) in rotating fit with the rotating plate (301) and a plug-in port (107) radially communicated with the circular through hole (106) are formed in the mounting seat (105), a movable plate (4) is hinged to the bottom of the set top box body (1) in an inclined manner, and one end, high in the movable plate (4), is integrally formed with the heat dissipation screen plate (3) and is abutted against the heat dissipation screen plate (3) and used for limiting the position of the heat dissipation screen plate (3) And a return spring (401) is fixedly arranged between the lower end of the movable plate (4) and the bottom surface of the set top box body (1).

2. The set top box with the heat dissipation function according to claim 1, wherein: radiating mechanism (2) is including setting up blade (202) in casing (108), the bottom rigid coupling of support column (102) has bottom plate (103), motor (201) that are used for driving blade (202) pivoted are installed at the top of bottom plate (103), anti-skidding base (104) have all been set firmly in the bottom four corners position of bottom plate (103).

3. The set top box with the heat dissipation function according to claim 2, wherein: the set top box comprises a set top box body (1), and is characterized in that a temperature sensor and a controller are arranged in the set top box body (1), the signal output end of the temperature sensor is electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with a motor (201).