CN215956511U

CN215956511U - Heat abstractor for video cassette recorder

Info

Publication number: CN215956511U
Application number: CN202121863668.0U
Authority: CN
Inventors: 张学军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-04
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a heat dissipation device for a video recorder, which comprises a fixed frame fixedly connected to one side of a video recorder body, wherein a mounting frame is arranged on one side of the fixed frame, an inner cavity of the mounting frame is communicated with an inner cavity of the fixed frame, a motor is arranged in the inner cavity of the mounting frame, a fan is connected to the output end of the motor in a transmission manner, a fixed plate is fixedly connected to the top end and the bottom end of the inner wall of the fixed frame, a plurality of air inlet holes are formed in one side of the fixed plate at equal intervals, an air inlet pipeline is fixedly sleeved in the inner cavity of each air inlet hole, a plurality of heat dissipation holes are formed in the other side of the inner wall of the video recorder body at equal intervals, and heat dissipation fins are fixedly connected to the inner walls of the heat dissipation holes. According to the utility model, the fixing frame, the mounting frame, the motor, the fan, the fixing plate, the air inlet hole, the air outlet pipeline and the heat dissipation holes are mutually matched, so that heat in the video recorder can be blown out, the video recorder body can be conveniently dissipated, and the heat dissipation effect of the video recorder body is increased.

Description

Heat abstractor for video cassette recorder

Technical Field

The utility model relates to the field of heat dissipation devices, in particular to a heat dissipation device for a video recorder.

Background

The video recorder is a tape recorder for recording television images and accompanying sounds, which can store video signals of television programs and can send them to a television transmitter again or directly to the television, the video recorder is a basic tool for television program production, the development process of the tape recorder is also transited from an analog signal form to a digital signal form, because the video signals are processed by 4: 2, 4: 1 and 4: 2: 0 formats, the compression mode comprises intra-field DCT, intra-frame DCT and MPEG-2, the code rate compression ratio is different, the recording code rate has about 200Mbps, about 100Mbps, about 50Mbps and 25Mbps, the tape width has 3/4, 1/2 and 1/4 inches, MP and ME, and the like, and the formats of the digital video recorder are quite many.

The video cassette recorder is inside can produce a large amount of heats when using, consequently need dispel the heat to the inside of video cassette recorder, under the general condition, when dispelling the heat to the video cassette recorder inside, often only adopt the mode of seting up the louvre on the video cassette recorder to dispel the heat, this kind of radiating mode can not be fine distribute away the inside heat of video cassette recorder completely, lead to the radiating effect relatively poor, have certain limitation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heat sink for a video recorder to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heat abstractor for video cassette recorder, includes the fixed frame of one side fixedly connected with of video cassette recorder body, one side of fixed frame is provided with the installing frame, the inner chamber of installing frame and the inner chamber of fixed frame communicate each other, the inner chamber of installing frame is provided with the motor, the output transmission of motor is connected with the fan, the top and the bottom fixedly connected with fixed plate of fixed frame inner wall, a plurality of fresh air inlets have been seted up to one side equidistance of fixed plate, the fixed air inlet duct that has cup jointed of inner chamber of fresh air inlet, first logical groove has been seted up to one side of video cassette recorder body, the fresh air inlet duct is located the inner chamber of first logical groove, a plurality of louvres have been seted up to the opposite side equidistance of video cassette recorder body inner wall, the inner wall fixedly connected with heat radiation fins of louvre.

Preferably, a first through groove is formed in one side of the inner wall of the mounting frame, and a first dust screen is embedded in an inner cavity of the first through groove.

Preferably, the other side of the video recorder body is fixedly connected with a connecting frame, and a second dustproof net is embedded in an inner cavity of the connecting frame.

Preferably, the recess has been seted up to one side symmetry of fixed frame, the symmetrical fixedly connected with installation piece in one side of installing frame, the installation piece is connected with the inner chamber sliding alternate of recess.

Preferably, the square groove has been seted up to the avris of recess inner wall, the inner chamber of square groove is provided with the stopper, first spacing groove has been seted up to the avris of installation piece, the avris fixedly connected with fixed column of first spacing inslot wall.

Preferably, the second spacing groove has been seted up to the avris of stopper, the fixed column is connected with the inner chamber sliding alternate of second spacing groove, the equal fixedly connected with spring steel sheet in top and the bottom of fixed column, the draw-in groove has all been seted up to the top and the bottom of second spacing inslot wall, the inner chamber slip joint of spring steel sheet and draw-in groove.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the fixing frame, the mounting frame, the motor, the fan, the fixing plate, the air inlet hole, the air outlet pipeline and the heat dissipation holes are mutually matched, so that heat in the video recorder can be blown out, the video recorder body can be conveniently dissipated, and the heat dissipation effect of the video recorder body is increased;

(2) according to the utility model, the first dustproof net and the second dustproof net are mutually matched, so that the video recorder body is protected, external dust is prevented from entering the video recorder body, and the mounting frame is mounted and dismounted by the mutual matching of the mounting block and the limiting block, so that the fan is convenient to overhaul.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

FIG. 3 is a schematic side sectional view of the fixing frame according to the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a video recorder body; 2. a fixing frame; 3. installing a frame; 4. a motor; 5. a fan; 6. a fixing plate; 7. an air inlet pipeline; 8. an air inlet hole; 9. heat dissipation holes; 10. heat dissipation fins; 11. a connecting frame; 12. a second dust screen; 13. a first dust screen; 14. mounting blocks; 15. fixing a column; 16. a spring steel sheet; 17. and a limiting block.

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.

The utility model provides a heat dissipation device for a video recorder as shown in figures 1-4, which comprises a video recorder body 1, wherein one side of the video recorder body 1 is fixedly connected with a fixed frame 2, the fixed frame 2 is favorable for installing an installation frame 3 so as to be convenient for installing a fan 5, one side of the fixed frame 2 is provided with the installation frame 3, the installation frame 3 is favorable for installing a motor 4 and the fan 5, the inner cavity of the installation frame 3 is communicated with the inner cavity of the fixed frame 2, the inner cavity of the installation frame 3 is provided with the motor 4, the motor 4 is electrically connected with an external power supply through an external motor switch, the motor 4 is favorable for driving the fan 5 to rotate so as to be convenient for blowing cold air into the video recorder body 1 so as to dissipate heat of the video recorder body 1, the output end of the motor 4 is in transmission connection with the fan 5, and the fan 5 is favorable for blowing cold air into the video recorder body 1, thereby be convenient for dispel the heat to video recorder body 1, the top and the bottom fixedly connected with fixed plate 6 of 2 inner walls of fixed frame, a plurality of fresh air inlets 8 have been seted up to one side equidistance of fixed plate 6, be favorable to cold wind to enter into the inside of video recorder body 1 through its inner chamber, the intake stack 7 has been cup jointed to the inner chamber of fresh air inlet 8, be favorable to evenly blowing the heat to the inside of video recorder body 1, thereby be convenient for carry out abundant heat dissipation inside the video recorder body 1, first logical groove has been seted up to one side of video recorder body 1, intake stack 7 is located the inner chamber of first logical groove, a plurality of louvres 9 have been seted up to the opposite side equidistance of video recorder body 1 inner wall, be favorable to discharging the heat of video recorder body 1 inside, inner wall fixedly connected with heat radiation fins 10 of louvre 9, be favorable to conducting the heat, thereby be convenient for increase the radiating effect.

First logical groove has been seted up to one side of 3 inner walls of installing frame, is favorable to the air inlet to be convenient for fan 5 blows in cold wind, and the inner chamber in first logical groove inlays and is equipped with first dust screen 13, is favorable to sheltering from external dust, thereby avoids external dust to enter into the inside of video recorder body 1.

The opposite side fixedly connected with connecting frame 11 of video recorder body 1, the inner chamber of connecting frame 11 inlays and is equipped with second dust screen 12, is favorable to sheltering from external dust.

Recess has been seted up to one side symmetry of fixed frame 2, and the one side symmetry fixedly connected with installation piece 14 of installing frame 3 is favorable to installing frame 3, and installation piece 14 is connected with the inner chamber sliding alternate of recess.

The square groove has been seted up to the avris of recess inner wall, and the inner chamber of square groove is provided with stopper 17, is favorable to prescribing a limit to the position of installation piece 14 to be convenient for prescribe a limit to the position of installing frame 3, first spacing groove has been seted up to the avris of installation piece 14, the avris fixedly connected with fixed column 15 of first spacing inslot wall.

The second spacing groove has been seted up to stopper 17's avris, and fixed column 15 is connected with the inner chamber sliding alternate of second spacing groove, and the equal fixedly connected with spring steel sheet 16 in top and the bottom of fixed column 15 is favorable to prescribing a limit to stopper 17's position to avoid stopper 17 and fixed column 15 to break away from mutually, the draw-in groove has all been seted up with the bottom on the top of second spacing inslot wall, spring steel sheet 16 and the inner chamber sliding joint of draw-in groove.

The working principle of the utility model is as follows: when video recorder body 1 operates, need dispel the heat to video recorder body 1, at this moment, open motor 4 through external motor switch, thereby motor 4 drives fan 5 and rotates, thereby the cold wind that fan 5 blew out enters into the inner chamber of fixed frame 2, thereby cold wind enters into the inner chamber of fresh air inlet 8, then in the inner chamber of process intake stack 7 gets into video recorder body 1, thereby cold wind blows the inside of video recorder body 1, thereby cold wind blows the inside heat of video recorder body 1 to the opposite side from one side, because heat radiation fin 10's existence, thereby heat radiation fin 10 cooperatees with external air, thereby release video recorder body 1 inside heat to the external world, thereby accomplish the inside thermal effluvium of video recorder body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a heat abstractor for video cassette recorder, includes video cassette recorder body (1), its characterized in that, the fixed frame (2) of one side fixedly connected with of video cassette recorder body (1), one side of fixed frame (2) is provided with installing frame (3), the inner chamber of installing frame (3) and the inner chamber of fixed frame (2) communicate each other, the inner chamber of installing frame (3) is provided with motor (4), the output transmission of motor (4) is connected with fan (5), the top and the bottom fixedly connected with fixed plate (6) of fixed frame (2) inner wall, a plurality of fresh air inlets (8) have been seted up to one side equidistance of fixed plate (6), fresh air inlet (7) have been cup jointed to the inner chamber of fresh air inlet (8) fixed, first logical groove has been seted up to one side of video cassette recorder body (1), fresh air inlet (7) are located the inner chamber of first logical groove, the video recorder is characterized in that a plurality of radiating holes (9) are formed in the other side of the inner wall of the video recorder body (1) at equal intervals, and radiating fins (10) are fixedly connected to the inner wall of each radiating hole (9).

2. The heat sink for video recorder as claimed in claim 1, wherein a first through groove is formed on one side of the inner wall of the mounting frame (3), and a first dust screen (13) is embedded in the inner cavity of the first through groove.

3. The heat dissipation device as claimed in claim 1, wherein a connection frame (11) is fixedly connected to the other side of the video recorder body (1), and a second dust screen (12) is embedded in an inner cavity of the connection frame (11).

4. The heat dissipation device as claimed in claim 1, wherein one side of the fixing frame (2) is symmetrically provided with a groove, one side of the mounting frame (3) is symmetrically and fixedly connected with a mounting block (14), and the mounting block (14) is slidably and penetratingly connected with an inner cavity of the groove.

5. The heat sink for video recorder as claimed in claim 4, wherein a square groove is formed on the side of the inner wall of the groove, a limit block (17) is disposed in the inner cavity of the square groove, a first limit groove is formed on the side of the mounting block (14), and a fixing post (15) is fixedly connected to the side of the inner wall of the first limit groove.

6. The heat dissipation device as claimed in claim 5, wherein a second limiting groove is formed in an edge side of the limiting block (17), the fixing post (15) is slidably inserted into an inner cavity of the second limiting groove, spring steel sheets (16) are fixedly connected to top ends and bottom ends of the fixing post (15), clamping grooves are formed in top ends and bottom ends of inner walls of the second limiting groove, and the spring steel sheets (16) are slidably clamped with the inner cavity of the clamping grooves.