CN212463835U - Heat radiation structure of high definition display - Google Patents
Heat radiation structure of high definition display Download PDFInfo
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- CN212463835U CN212463835U CN202020518570.0U CN202020518570U CN212463835U CN 212463835 U CN212463835 U CN 212463835U CN 202020518570 U CN202020518570 U CN 202020518570U CN 212463835 U CN212463835 U CN 212463835U
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- circuit board
- air inlet
- back shell
- high definition
- guide plate
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Abstract
The utility model relates to a heat radiation structure of a high-definition display, which comprises a display panel, a circuit board and a back shell, wherein, exhaust ports are arranged at two sides of the back shell, an air inlet is arranged at the lower side of the back shell, and a plurality of air inlet fans are arranged in the air inlet; the inner side surface of the back shell is provided with a plurality of L-shaped guide plates which form an L-shaped airflow channel; a temperature controller is arranged in the back shell and connected with the air inlet fan; the temperature controller is used for detecting the internal temperature of the display and controlling the starting and stopping of the air inlet fan, when the internal temperature of the display is overhigh, the air inlet fan is started, airflow enters the plurality of L-shaped airflow channels through the air inlet on the lower side of the back shell, the heat of the circuit board is firstly transferred to the guide plate, and then the airflow exchanges heat with the guide plate and the circuit board; the guide plate is used as a mounting base of the circuit board to fix the circuit board, is used as a radiating fin to transfer heat on the circuit board so as to reduce the temperature of the circuit board, and is used for constructing an airflow channel to increase the contact area between the circuit board and airflow and accelerate cooling.
Description
Technical Field
The utility model relates to a display technical field specifically is high definition display's heat radiation structure.
Background
Displays (displays) are also commonly referred to as monitors. The display is an I/O device belonging to a computer, namely an input/output device. The electronic document display tool is a display tool which displays a certain electronic document on a screen through a specific transmission device and reflects the electronic document to human eyes.
The development trend of the existing display is ultrathin and without a frame, but the development trend also brings the difficulty in heat dissipation for the display. Because the thickness of the display body is small and the space inside is insufficient, the distance between the circuit board and the display panel is very close. In the working engineering of the display, the temperature of the circuit board rises, heat can be transferred to the display panel, and the temperature continues to rise after the heat is accumulated for a long time, so that the normal work of the circuit board and the display panel is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a heat dissipation structure of a high definition display, which can overcome the problems in the background art and effectively dissipate heat of the display.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a heat radiation structure of high definition display, including display panel, circuit board and dorsal scale, the both sides of dorsal scale are equipped with the gas vent, the downside of dorsal scale is equipped with the air inlet, be equipped with a plurality of air inlet fans in the air inlet; the inner side surface of the back shell is provided with a plurality of L-shaped guide plates, the guide plates form an L-shaped airflow channel, two ends of the airflow channel are respectively connected with the air inlet and the air outlet, the circuit board is fixedly arranged on the guide plates, the edge of the display panel is fixedly connected with the edge of the inner side surface of the back shell, and the circuit board is connected with the display panel through a flat cable; the guide plate is an insulated radiating fin; the back shell is internally provided with a temperature controller, and the temperature controller is connected with the air inlet fan.
Further, the material of the guide plate is aluminum nitride ceramics.
Furthermore, the guide plate is provided with a plurality of threaded holes for fixing the circuit board.
Furthermore, the top surfaces of the guide plates are concave and form grooves matched with the size and the shape of the circuit board.
Further, dust covers are arranged at the air inlet and the air outlet.
Further, the air inlet fan comprises a motor and fan blades, and the fan blades are coaxially and fixedly connected with a rotating shaft of the motor; the motor is connected with the temperature controller through a motor driving circuit.
The utility model has the advantages that: the utility model discloses a high definition display's heat radiation structure detects the inside temperature of display through the temperature controller to control the start-stop of admitting air fan, when the inside high temperature of display, admit air fan starts, and the air current enters into many L shape air current channels through the air inlet of dorsal scale downside, and the heat of circuit board is transmitted to the guide plate at first, then the air current carries out the heat exchange with guide plate and circuit board, and the air current after the heat exchange leads to the gas vent of dorsal scale side and discharges through the guide of air current channel; the guide plate is used as a mounting base of the circuit board to fix the circuit board, is used as a radiating fin to transfer heat on the circuit board so as to reduce the temperature of the circuit board, and is used for constructing an airflow channel to increase the contact area of the circuit board and airflow and accelerate cooling; the utility model discloses simple structure, the radiating effect is good, has very strong practicality.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic view of the back shell structure of the present invention.
The reference numbers are as follows: 1-display panel, 2-circuit board, 3-back shell, 31-air inlet, 32-air outlet, 33-guide plate, 34-air flow channel, 35-air inlet fan, 36-dust cover, 331-threaded hole, 351-motor and 352-fan blade.
Detailed Description
As shown in fig. 1-2: the heat dissipation structure of the high-definition display comprises a display panel 1, a circuit board 2 and a back shell 3, wherein exhaust ports 32 are arranged on two sides of the back shell 3, an air inlet 31 is arranged on the lower side of the back shell 3, and a plurality of air inlet fans 35 are arranged in the air inlet 31; the inner side surface of the back shell 3 is provided with a plurality of L-shaped guide plates 33, the plurality of guide plates 33 form an L-shaped airflow channel 34, two ends of the airflow channel 34 are respectively connected with the air inlet 31 and the air outlet 32, the circuit board 2 is fixedly arranged on the guide plates 33, the edge of the display panel 1 is fixedly connected with the edge of the inner side surface of the back shell 3, and the circuit board 2 is connected with the display panel 1 through a flat cable; the baffle 33 is an insulated heat sink; the back shell 3 is internally provided with a temperature controller which is connected with an air inlet fan 35.
The utility model discloses a high definition display's heat radiation structure detects the inside temperature of display through the temperature controller, and control the start-stop of admitting air fan 35, when the inside high temperature of display, admit air fan 35 starts, the air current enters into many L shape air current channel 34 through air inlet 31 of dorsal scale 3 downside, the heat of circuit board 2 at first transmits to guide plate 33 on, then the air current carries out the heat exchange with guide plate 33 and circuit board 2, the air current after the heat exchange leads to the gas vent 32 of dorsal scale 3 side and discharges through the guide of air current channel 34; the guide plate 33 is used as a mounting base of the circuit board 2 to fix the circuit board 2, is used as a radiating fin to transfer heat on the circuit board 2 to reduce the temperature of the circuit board 2, and is used for constructing an airflow channel 34 to increase the contact area of the circuit board 2 and airflow and accelerate the cooling; the utility model discloses simple structure, the radiating effect is good, has very strong practicality.
In this embodiment, the material of the flow guide plate 33 is aluminum nitride ceramic, which has good insulating property, and does not affect the circuit board 2 even when directly contacting with the circuit board 2, and the thermal conductivity is greater than 300W/mK, so that the heat on the circuit board 2 can be effectively transferred.
In this embodiment, the guide plate 33 is provided with a plurality of threaded holes 331 for fixing the circuit board 2, the circuit board 2 of the display is provided with through holes, and the circuit board 2 can be fixedly mounted on the top of the guide plate 33 by screws.
In this embodiment, the top surface indent of a plurality of guide plates 33 and the recess that forms and 2 big or small shape matchs of circuit board, circuit board 2 installs inside the recess for circuit board 2's tow sides homoenergetic carries out the heat exchange with the air current, thereby increases the radiating effect.
In this embodiment, dust covers 36 are disposed at the air inlet 31 and the air outlet 32 to prevent dust from entering, and in this embodiment, the air inlet 31 is disposed at the lower side of the back housing 3 to prevent dust from entering the display through the air inlet 31.
In this embodiment, the air supply fan 35 includes a motor 351 and a fan blade 352, and the fan blade 352 is coaxially and fixedly connected with a rotating shaft of the motor 351; the motor 351 is connected with a temperature controller through a motor 351 driving circuit, the temperature controller comprises a temperature sensor, a logic unit and the like, the logic unit receives a temperature signal, sends out a driving signal according to the temperature signal and drives the motor 351 through the motor 351 driving circuit.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. High definition display's heat radiation structure, including display panel, circuit board and dorsal scale, its characterized in that: the two sides of the back shell are provided with exhaust ports, the lower side of the back shell is provided with an air inlet, and a plurality of air inlet fans are arranged in the air inlet; the inner side surface of the back shell is provided with a plurality of L-shaped guide plates, the guide plates form an L-shaped airflow channel, two ends of the airflow channel are respectively connected with the air inlet and the air outlet, the circuit board is fixedly arranged on the guide plates, the edge of the display panel is fixedly connected with the edge of the inner side surface of the back shell, and the circuit board is connected with the display panel through a flat cable; the guide plate is an insulated radiating fin; the back shell is internally provided with a temperature controller, and the temperature controller is connected with the air inlet fan.
2. The heat dissipation structure of a high definition display according to claim 1, characterized in that: the material of the guide plate is aluminum nitride ceramics.
3. The heat dissipation structure of a high definition display according to claim 1, characterized in that: and the guide plate is provided with a plurality of threaded holes for fixing the circuit board.
4. The heat dissipation structure of a high definition display according to claim 1, characterized in that: the top surfaces of the guide plates are concave and form grooves matched with the circuit board in size and shape.
5. The heat dissipation structure of a high definition display according to claim 1, characterized in that: dust covers are arranged at the air inlet and the air outlet.
6. The heat dissipation structure of a high definition display according to claim 1, characterized in that: the air inlet fan comprises a motor and fan blades, and the fan blades are coaxially and fixedly connected with a rotating shaft of the motor; the motor is connected with the temperature controller through a motor driving circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202020518570.0U CN212463835U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of high definition display |
Applications Claiming Priority (1)
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CN202020518570.0U CN212463835U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of high definition display |
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CN212463835U true CN212463835U (en) | 2021-02-02 |
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CN202020518570.0U Active CN212463835U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of high definition display |
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2020
- 2020-04-10 CN CN202020518570.0U patent/CN212463835U/en active Active
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