CN219122916U

CN219122916U - TV advertisement machine

Info

Publication number: CN219122916U
Application number: CN202223459414.XU
Authority: CN
Inventors: 林祖武; 陈金国; 杨东生; 方海林
Original assignee: Zhuhai Jinpin Venture Sharing Platform Technology Co Ltd
Current assignee: Zhuhai Jinpin Venture Sharing Platform Technology Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-02
Anticipated expiration: 2032-12-22

Abstract

The utility model belongs to the field of advertising machines, and provides a television advertising machine, which comprises a plastic front shell, a plastic rack, a display screen, a DLED module and a circuit module, wherein the display screen, the DLED module and the circuit module are arranged in the plastic rack, the plastic front shell is used for fixing the display screen, the DLED module and the circuit module in the plastic rack, wherein the display screen is fixed in front of the DLED module, a first groove is reserved in the back of the plastic rack, the circuit module is arranged at the back of the DLED module and is fixed in the first groove, and electronic elements of the DLED module and the circuit module are arranged on a heat dissipation substrate.

Description

TV advertisement machine

Technical Field

The utility model relates to the field of advertising machines, in particular to a television advertising machine.

Background

Along with the development of science and technology, the use of the television advertisement machine in the market is more and more frequent, in the prior art, the television advertisement machine is generally formed by a shell and a display screen module, and in order to achieve the radiating effect, a plurality of radiating holes are usually directly formed in the shell to cooperate with a plurality of radiating fans for radiating, however, the radiating fans can attract external dust to enter the interior of the television advertisement machine through the radiating holes, so that damage is caused to electronic elements in the television advertisement machine, and the service life of the television advertisement machine is influenced.

Disclosure of Invention

The utility model aims to provide a television advertisement machine, which aims to solve the problems that in order to achieve the heat dissipation effect of the existing television advertisement machine, a plurality of heat dissipation holes are directly formed in a machine shell to be matched with a plurality of heat dissipation fans for heat dissipation, so that dust enters the advertisement machine, damage is caused to electronic elements in the television advertisement machine, and the service life of the television advertisement machine is influenced.

In order to achieve the above objective, the television advertisement machine provided by the utility model comprises a plastic front shell, a plastic frame, a display screen, a DLED module and a circuit module, wherein the display screen, the DLED module and the circuit module are arranged in the plastic frame, the plastic front shell is used for fixing the display screen, the DLED module and the circuit module in the plastic frame, the display screen is fixed in front of the DLED module, a first groove is reserved in the back of the plastic frame, the circuit module is arranged at the back of the DLED module and is fixed in the first groove, and electronic elements of the DLED module and the circuit module are all arranged on a heat dissipation substrate.

Optionally, the display screen and the DLED module are electrically connected with the circuit module through wires arranged in the rack.

Optionally, the heat dissipation substrate includes an aluminum substrate, a heat-conducting insulating layer and a circuit layer, the aluminum substrate is an aluminum thin plate piece, at least two second grooves are formed on the aluminum substrate, the heat-conducting insulating layer is attached to the aluminum substrate and fills each second groove, and the circuit layer is attached to the heat-conducting insulating layer and is used for installing electronic components.

Optionally, each of the second grooves does not penetrate through the aluminum substrate, and the bottom of the aluminum substrate is in a flat plate state.

Optionally, the total area of the at least two grooves is not more than one half of the area of the heat dissipating substrate.

Optionally, the television advertisement machine further comprises a temperature sensor and a semiconductor refrigeration piece, wherein the temperature sensor is tightly attached to the back of the heat dissipation substrate of the DLED module, the semiconductor refrigeration piece is located on the back of the circuit module and is close to the circuit module, and the temperature sensor and the semiconductor refrigeration piece are electrically connected with the circuit module through wires arranged in the rack.

Optionally, the television advertisement machine further includes a plastic rear shell, the first groove edge is provided with a protruding clamping structure, the plastic rear shell is a detachable plastic rear shell, and the clamping structure matched with the first groove edge is provided.

Optionally, the plastic rear shell is also provided with a heat dissipation hole.

The technical scheme of the utility model has the following beneficial effects: according to the scheme, the DLED module and the electronic element of the circuit module are both arranged on the radiating substrate, the radiating substrate comprises an aluminum substrate with a radiating function, a heat conducting insulating layer and the circuit layer, the electronic element is arranged on the circuit layer, heat generated during operation of the electronic element can be absorbed through the heat conducting layer and then radiated through the aluminum sheet, meanwhile, a temperature sensor and a semiconductor refrigerating sheet are arranged in the shell and are electrically connected with the circuit module, when the temperature sensed by the temperature sensor is greater than a preset temperature threshold value, the circuit module controls the semiconductor refrigerating sheet to operate so as to refrigerate the inside of the television advertising machine body, and heat is discharged through the heat radiating holes arranged on the plastic rear shell, so that the radiating effect of the television advertising machine is further enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a disassembled structure of a TV advertisement machine according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front structure of a TV advertisement machine according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a front side structure of a TV advertisement machine according to an embodiment of the present utility model;

fig. 4 (a) is a schematic diagram of a heat dissipation substrate of a tv advertisement machine according to an embodiment of the utility model, and (b) is a schematic diagram of an aluminum substrate structure of the heat dissipation substrate.

In the drawing, 100 is a plastic front shell, 200 is a plastic rack, 201 is a display screen, 202 is a DLED module, 203 is a circuit module, 204 is a temperature sensor, 205 is a semiconductor refrigerating sheet, 300 is a plastic rear shell, 301 is a radiating hole, 400 is an aluminum substrate, 401 is a heat conducting insulating layer, 402 is a circuit layer, and 410 is a second groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that all directional indications (such as up, down, left, right, front, and rear..the above) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

The utility model provides a television advertising machine.

As shown in fig. 1 to 4, in an embodiment of the utility model, the tv advertisement machine includes a plastic front housing 100, a plastic frame 200, a display screen 201, a DLED module 202 and a circuit module 203 disposed in the plastic frame, wherein the plastic front housing 100 fixes the display screen 201, the DLED module 202 and the circuit module 203 in the plastic frame 200, the display screen 201 is fixed in front of the DLED module 202, a first groove is reserved on the back of the plastic frame 200, the circuit module 203 is disposed on the back of the DLED module 202 and is fixed in the first groove, and electronic components of the DLED module and the circuit module are all mounted on a heat dissipation substrate.

Wherein, plastic material is light-weight material, plastic frame 200 adopts plastic material, and its weight is lighter, and hardness is softer, and elasticity is better, and convenient transportation and installation, DLED module 202 are straight following formula LED module simultaneously, are a backlight module, can guarantee the luminance and the colour gamut of display screen, and further, DLED module 202 and circuit module 203's electronic component all install on the radiating substrate, and electronic component can directly dispel the heat through the base plate, avoids electronic component during operation to damage because of the high temperature to improve television advertising machine's life.

Optionally, the display screen 201 and the DLED module 202 are electrically connected to the circuit module through wires disposed in the chassis 200.

As one embodiment, the heat dissipation substrate includes an aluminum substrate 400, a heat conductive insulating layer 401 and a circuit layer 402, the aluminum substrate is an aluminum thin plate sheet, at least two second grooves 410 are disposed on the aluminum substrate, the heat conductive insulating layer 401 is attached to the aluminum substrate 400 and fills each second groove 410, and the circuit layer 402 is attached to the heat conductive insulating layer 401 for mounting electronic components. Each second groove 410 does not penetrate through the aluminum substrate 400, the bottom of the aluminum substrate 400 is in a flat plate state, and the total area of at least two second grooves 410 is not more than half of the area of the heat dissipation substrate.

In this embodiment, the second grooves 410 are recessed areas formed on the aluminum substrate 400 by scouring or etching, the shape and the number of the second grooves can be set according to actual needs, and the number of the second grooves is at least 2, so that the contact area between the aluminum substrate and the heat-conducting insulating layer can be increased, meanwhile, the total area of all the second grooves 410 is not more than half of the area of the heat-radiating substrate, so as to ensure the heat-radiating effect of the aluminum substrate 400, the heat-conducting insulating layer 401 is coated with a heat-conducting material, the heat-conducting material is heat-conducting glue or heat-conducting paste, so that the heat of the electronic component can be quickly absorbed and transferred to the aluminum substrate 400, the heat-conducting glue or heat-conducting paste is further filled into each second groove 410, so as to increase the contact area between the heat-conducting insulating layer 401 and the aluminum substrate 400, the heat of the heat-conducting insulating layer 401 is quickly transferred to the aluminum substrate 400, and the circuit layer 402 is a circuit etched on the heat-conducting insulating layer 401 according to the type and the connection mode of the electronic component, and then the electronic component is soldered on the circuit.

Thus, when the electronic component is mounted on the heat dissipation substrate, the temperature of the electronic component is higher than that of the heat conduction insulating layer 401, so that the heat of the electronic component can be transferred to the heat conduction insulating layer 401, and also can be transferred to the heat conduction insulating layer 401 around the electronic component through the air convection effect, and meanwhile, the contact area between the heat conduction insulating layer 401 and the aluminum substrate 400 is increased by additionally arranging at least two grooves 410, so that the heat of the electronic component can be quickly transferred to the aluminum substrate 400 through the heat conduction insulating layer 401, heat dissipation is realized, and the scheme can enable the temperature of the electronic component to be maintained in a relatively balanced temperature range, and a good heat dissipation effect is achieved.

As an embodiment, the television advertisement machine further includes a temperature sensor 204 and a semiconductor cooling plate 205, the temperature sensor 204 is closely attached to the back of the heat dissipation substrate of the DLED module 202, the semiconductor cooling plate 205 is located on the back of the circuit module 203 and is close to the circuit module 203, and the temperature sensor 204 and the semiconductor cooling plate 205 are electrically connected with the circuit module 203 through wires disposed in the rack 200.

Specifically, because the heat of the electronic component is transferred to the heat dissipation substrate, the temperature of the heat dissipation substrate is the temperature which can reflect the heat of the electronic component, the temperature sensor is closely mounted on the back of the DLED module 202, the temperature of the heat dissipation substrate of the DLED module 202 can be sensed in real time, so that the temperature of the electronic component can be reflected accurately, a cavity with a certain thickness is reserved on the back of the circuit module 203 and the plastic shell, the thickness of the semiconductor refrigerating sheet 205 is between 25mm and 30mm, the semiconductor refrigerating sheet comprises a cold end and a hot end, the cold end and the hot end are arranged in the cavity and are close to the circuit module 203, the plastic frame is divided into a front cavity and a rear cavity, the display screen 201, the DLED module 202, the circuit module 203 and the temperature sensor 204 are mounted in the front cavity, the front chamber is a closed space, the rear chamber is an empty chamber, the cold end of the semiconductor refrigeration piece 205 is installed in the front chamber and used for cooling the front chamber, the hot end of the semiconductor refrigeration piece is installed in the rear chamber and used for transmitting heat of the front chamber to the rear chamber, wherein the temperature sensor 204 and the semiconductor refrigeration piece 205 are electrically connected with the circuit module 203, when the temperature sensor 204 detects that the temperature of the front chamber is higher than or equal to a preset temperature threshold value, the circuit module 203 controls the semiconductor refrigeration piece to work so as to cool the environment of the front chamber, particularly electronic elements, and when the temperature detected by the temperature sensor 204 is lower than the preset temperature threshold value, the circuit module 203 controls the semiconductor refrigeration piece to stop working.

In this embodiment, the plastic housing is divided into front and rear chambers by the semiconductor cooling sheet 205, the display screen 201, the DLED module 202, the circuit module 203 and the temperature sensor 204 are all installed in the front chamber, the cold end of the semiconductor cooling sheet 205 is installed in the front chamber, and the hot end is installed in the rear chamber, so that the semiconductor cooling sheet 205 can reduce the temperature of the display screen 201, the heat dissipation substrate, and particularly the electronic components in the front chamber, thereby achieving good heat dissipation effect, and meanwhile, the front chamber is in a sealed state, so that the entry of external dust can be avoided, the service lives of the advertisement machine housing and the internal electronic components are prolonged, the frequent disassembly of the advertisement machine is required for cleaning due to the entry of dust, and the cost is saved.

As an embodiment, the television advertisement machine further includes a plastic rear housing 300, the edge of the first groove is provided with a protruding clamping structure, the plastic rear housing 300 is a detachable plastic rear housing 300, and a clamping structure matched with the edge of the first groove is provided. The plastic rear case 300 is further provided with a heat radiation hole 301.

In this embodiment, the television advertisement machine further includes a plastic rear housing 300, wherein the plastic rear housing is a detachable plastic rear housing 300, and the plastic rear housing 300 is detachable through a clamping structure matched with the plastic housing 200, and a heat dissipation hole 301 is further provided on the plastic rear housing 300 for transferring heat from the rear chamber. As a preferred mode, a cooling fan can be arranged in the rear cavity to improve the ventilation speed of the rear cavity, so that the rear cavity can emit heat more quickly through cooling holes in the plastic rear shell, the temperature of the hot end of the semiconductor can be further reduced more quickly, the temperature of the cold end can be transferred to the hot end more quickly, the refrigeration efficiency of the semiconductor refrigeration piece is improved, and the service life of the electronic element is prolonged.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a TV advertisement machine, its characterized in that, is in including plastic preceding shell, plastic frame and setting display screen, DLED module and circuit module in the plastic frame, the plastic preceding shell will display screen, DLED module and circuit module are fixed in the plastic frame, wherein, the display screen is fixed in the DLED module the place ahead, first recess is reserved at the back of plastic frame, circuit module sets up the back of DLED module and is fixed in the first recess, the DLED module with circuit module's electronic component is all installed on radiating substrate.

2. The television advertising machine of claim 1, wherein the display screen and the DLED module are electrically connected to the circuit module by wires disposed in the housing.

3. The television advertising machine of claim 1, wherein the heat dissipation substrate comprises an aluminum substrate, a heat conductive insulating layer and a circuit layer; the aluminum substrate is an aluminum sheet, at least two second grooves are formed in the aluminum sheet, the heat-conducting insulating layer is attached to the aluminum substrate and fills each second groove, and the circuit layer is attached to the heat-conducting insulating layer and used for mounting electronic elements.

4. A television advertising machine according to claim 3, wherein each of the second grooves does not extend through the aluminium substrate, and the bottom of the aluminium substrate is flat.

5. A television advertising machine as claimed in claim 3, wherein the total area of the at least two second recesses is no more than half the area of the heat dissipating substrate.

6. The television advertising machine of claim 1, further comprising a temperature sensor and a semiconductor cooling plate, wherein the temperature sensor is closely attached to the back of the cooling substrate of the DLED module, the semiconductor cooling plate is located on the back of the circuit module and is close to the circuit module, and the temperature sensor and the semiconductor cooling plate are electrically connected with the circuit module through wires arranged in a rack.

7. The television advertising machine of claim 1, further comprising a plastic rear shell, wherein the first groove edge is provided with a convex clamping structure, the plastic rear shell is a detachable plastic rear shell, and the clamping structure matched with the first groove edge is provided.

8. The television advertising machine of claim 7, wherein the plastic rear housing is further provided with heat dissipation holes.