CN210516056U

CN210516056U - Ultra-narrow-side liquid crystal display screen with heat dissipation type shell

Info

Publication number: CN210516056U
Application number: CN201921849194.7U
Authority: CN
Inventors: 王恒
Original assignee: Nanjing Qingshiyuan Electronic Technology Co Ltd
Current assignee: Nanjing Qingshiyuan Electronic Technology Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-12
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an ultra-narrow limit liquid crystal display with heat dissipation type shell, including LCD screen, frame, backshell and coverboard, the LCD screen is installed in the frame, the rear end welding of frame has the backshell, be provided with the circuit board of being connected with the LCD screen in the backshell, the rear end of backshell is provided with the coverboard, the four corners position of coverboard is provided with the screw, the coverboard passes through screw and frame fixed connection, the thermovent has evenly been seted up at the both sides from the top down interval of backshell, the lateral surface of backshell all is provided with the breakwater on the upper portion of every thermovent, radiating fin is all installed to the upper end and the lower extreme of backshell, install two radiator fan on the medial surface of coverboard. The utility model discloses a set up dust screen, breakwater, radiating fin, radiator fan, temperature sensor and small-size temperature controller, solved current technical heat dissipation inefficiency to the poor problem of dustproof and waterproof effect.

Description

Ultra-narrow-side liquid crystal display screen with heat dissipation type shell

Technical Field

The utility model relates to a liquid crystal display technical field specifically is a super narrow limit liquid crystal display with heat dissipation type shell.

Background

In recent years, the liquid crystal display screen has the advantages of low power consumption, small volume and low radiation, and is widely used in various industries, but the liquid crystal display screen can generate heat in the using process, especially an outdoor LED display screen, the brightness is required to be very high due to the using environment, and the brightness is required to be more than 4000CD, so that the generated heat is very large, in practical application, the heat dissipation capacity of the LED display screen is improved, the efficiency of the heat dissipation capacity of the LED display screen is effectively improved, the effect of saving electric quantity can also be achieved, the effect of prolonging the service life of the LED display screen is facilitated, and the display effect of the LED display screen is ensured.

However, the conventional liquid crystal display panel has the following disadvantages:

1. the existing liquid crystal display screen is only provided with a free heat dissipation port during design, and the heat dissipation requirement cannot be met at the heat dissipation peak of the display screen.

2. When the existing liquid crystal display screen is used, dust easily enters the heat dissipation port to influence the heat dissipation of the circuit board, and the liquid crystal display screen easily falls into a water body to cause the short circuit of the circuit board and influence the use safety.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a super narrow limit liquid crystal display with heat dissipation type shell has solved current technique radiating efficiency low to dustproof and waterproof effect is poor problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a liquid crystal display screen with a heat dissipation type shell comprises a liquid crystal screen, a frame, a rear shell and shell plates, wherein the liquid crystal screen is installed in the frame, the rear end of the frame is welded with the rear shell, a circuit board connected with the liquid crystal screen is arranged in the rear shell, the shell plates are arranged at the rear end of the rear shell, screws are arranged at four corners of each shell plate, the shell plates are fixedly connected with the frame through the screws, heat dissipation ports are uniformly formed in two sides of the rear shell from top to bottom at intervals, a water baffle is arranged on the outer side surface of the rear shell above each heat dissipation port, heat dissipation fins are installed at the upper end and the lower end of the rear shell, two heat dissipation fans are installed on the inner side surface of each shell plate, grid plates are installed on the outer side surface of each shell plate just opposite to the positions of the two heat dissipation fans, and a temperature sensor is installed between the two heat dissipation fans on, and a small temperature controller is arranged at the right lower end of the temperature sensor.

Preferably, the output end of the temperature sensor is electrically connected with the input end of the small-sized temperature controller, and the output end of the small-sized temperature controller is electrically connected with the input end of the cooling fan.

Preferably, the bottom of the shell plate is provided with an equipment connecting port.

Preferably, the cooling fan, the temperature sensor and the small-sized temperature controller are all connected with an external power supply through a circuit board.

Preferably, the radiating fins are aluminum alloy radiating fins.

Preferably, a dust filter screen is arranged on the heat dissipation port.

(III) advantageous effects

The utility model provides an ultra-narrow limit liquid crystal display with heat dissipation type shell possesses following beneficial effect:

(1) the utility model is provided with the radiating fins, the radiating fan, the temperature sensor and the small-sized temperature controller, when in use, the temperature sensor can monitor the temperature in the rear shell in real time, when the temperature does not reach the dangerous threshold value, the heat generated by the operation of the circuit board is directly and freely dissipated through the heat dissipation fins and the heat dissipation ports at the two sides of the rear shell, when the temperature in the rear shell reaches a dangerous threshold value, the temperature sensor can send a signal to the small-sized temperature controller, the small-sized temperature controller can control the cooling fan to be connected with the power supply circuit in the circuit board to start the cooling fan, the cooling fan can quickly exhaust air, so that external cold air enters from the cooling holes at the two sides to form convection to discharge heat generated by the circuit board, when the temperature is lower than the dangerous threshold value, the small-sized temperature controller can automatically cut off the circuit to turn off the heat radiation fan, therefore, heat can be timely discharged in a high heat dissipation state of the display screen, and the working performance and the service life of the display screen are prevented from being influenced by high temperature.

(2) The utility model discloses a set up and strain dirt net and breakwater, during the use, strain the dirt net and can effectively block the dust of trying to enter into the circuit board through the thermovent, play good dustproof effect, the breakwater is 45 orientation settings of downward sloping directly over every thermovent, can effectively block external water and keep away from the water direction of thermovent with the water orientation water conservancy diversion to can play good water-proof effects.

Drawings

FIG. 1 is an overall view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a side view of the shell plate of the present invention.

The reference numbers in the figures are: 1. a liquid crystal screen; 2. a frame; 3. a rear housing; 4. a shell plate; 5. a screw; 6. a circuit board; 7. a heat dissipation port; 8. a dust filter screen; 9. a water baffle; 10. a heat dissipating fin; 11. a heat radiation fan; 12. a grid plate; 13. a temperature sensor; 14. an equipment connecting port; 15. a small-sized temperature controller.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a liquid crystal display screen with a heat dissipation type shell comprises a liquid crystal screen 1, a frame 2, a rear shell 3 and a shell plate 4, wherein the liquid crystal screen 1 is installed in the frame 2, the rear end of the frame 2 is welded with the rear shell 3, a circuit board 6 connected with the liquid crystal screen 1 is arranged in the rear shell 3, the shell plate 4 is arranged at the rear end of the rear shell 3, screws 5 are arranged at four corners of the shell plate 4, the shell plate 4 is fixedly connected with the frame 2 through the screws 5, heat dissipation ports 7 are uniformly arranged at two sides of the rear shell 3 from top to bottom at intervals, a water baffle plate 9 is arranged on the outer side surface of the rear shell 3 at the upper part of each heat dissipation port 7, heat dissipation fins 10 are respectively installed at the upper end and the lower end of the rear shell 3, two heat dissipation fans 11 are installed on the inner side surface of the shell plate 4, a grating disc 12 is installed at the position of the outer side surface of the shell plate 4 opposite to the two heat dissipation, small-size temperature controller 15 is installed to the under temperature sensor 13, small-size temperature controller 15's input electric connection of temperature sensor 13's output and small-size temperature controller 15, small-size temperature controller 15's output and radiator fan 11's input electric connection, the bottom of coverboard 4 is provided with equipment connector 14, radiator fan 11, temperature sensor 13 and small-size temperature controller 15 all are connected with external power supply through circuit board 6, temperature sensor 13 model is PT100, small-size temperature controller 15 model is KT0011, radiator fin 10 is aluminum alloy radiator fin, be provided with dust filter 8 on the thermovent 7.

Working principle; when the temperature sensor 13 is used, the temperature in the rear shell 3 can be monitored in real time, when the temperature does not reach a dangerous threshold value, heat generated by the operation of the circuit board 6 is directly and freely dissipated through the radiating fins 10 and the radiating ports 7 at the two sides of the rear shell 3, when the temperature in the rear shell 3 reaches the dangerous threshold value, the temperature sensor 13 sends a signal to the small-sized temperature controller 15, the small-sized temperature controller 15 controls the radiating fan 11 to be connected with a power supply circuit in the circuit board 6 to turn on the radiating fan 11, the radiating fan 11 can exhaust air rapidly, so that external cold air enters from the radiating ports 7 at the two sides to form convection to discharge the heat generated by the circuit board 6, when the temperature is reduced to be lower than the dangerous threshold value, the small-sized temperature controller 15 automatically turns off the circuit to turn off the radiating fan 11, the dust filter 8 can effectively block dust trying to enter the circuit, the water baffle 9 is arranged right above each heat dissipation port 7 in the direction of inclining downwards by 45 degrees, and can effectively block external water and guide the water to flow away from the heat dissipation ports 7.

To sum up can, the utility model discloses a set up dust screen 8, breakwater 9, radiating fin 10, radiator fan 11, temperature sensor 13 and small-size temperature controller 15, solved current technical radiating efficiency low to the poor problem of dustproof and waterproof effect.

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

1. The utility model provides a super narrow limit liquid crystal display with heat dissipation type shell, includes LCD screen (1), frame (2), backshell (3) and coverboard (4), its characterized in that: the liquid crystal display panel is characterized in that the liquid crystal display panel (1) is installed in a frame (2), a rear shell (3) is welded at the rear end of the frame (2), a circuit board (6) connected with the liquid crystal display panel (1) is arranged in the rear shell (3), a shell plate (4) is arranged at the rear end of the rear shell (3), screws (5) are arranged at four corners of the shell plate (4), the shell plate (4) is fixedly connected with the frame (2) through the screws (5), heat dissipation holes (7) are uniformly formed in two sides of the rear shell (3) from top to bottom at intervals, a water baffle plate (9) is arranged on the upper portion of each heat dissipation hole (7) on the outer side face of the rear shell (3), heat dissipation fins (10) are installed at the upper end and the lower end of the rear shell (3), two heat dissipation fans (11) are installed on the inner side face of the shell plate (4), and a grating disc (12) is installed on the outer side face of the shell plate (, a temperature sensor (13) is arranged between the two cooling fans (11) on the inner wall of the shell plate (4), and a small-sized temperature controller (15) is arranged at the lower end of the temperature sensor (13).

2. The ultra-narrow sided liquid crystal display panel having a heat dissipating housing of claim 1, wherein: the output end of the temperature sensor (13) is electrically connected with the input end of the small-sized temperature controller (15), and the output end of the small-sized temperature controller (15) is electrically connected with the input end of the cooling fan (11).

3. The ultra-narrow sided liquid crystal display panel having a heat dissipating housing of claim 1, wherein: and an equipment connecting port (14) is formed in the bottom of the shell plate (4).

4. The ultra-narrow sided liquid crystal display panel having a heat dissipating housing of claim 1, wherein: and the cooling fan (11), the temperature sensor (13) and the small temperature controller (15) are connected with an external power supply through the circuit board (6).

5. The ultra-narrow sided liquid crystal display panel having a heat dissipating housing of claim 1, wherein: the radiating fins (10) are aluminum alloy radiating fins.

6. The ultra-narrow sided liquid crystal display panel having a heat dissipating housing of claim 1, wherein: and a dust filtering net (8) is arranged on the heat dissipation port (7).