CN221225222U - SMT liquid crystal display module - Google Patents
SMT liquid crystal display module Download PDFInfo
- Publication number
- CN221225222U CN221225222U CN202322997627.6U CN202322997627U CN221225222U CN 221225222 U CN221225222 U CN 221225222U CN 202322997627 U CN202322997627 U CN 202322997627U CN 221225222 U CN221225222 U CN 221225222U
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- China
- Prior art keywords
- shell
- screws
- air inlet
- smt
- liquid crystal
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Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000191 radiation effect Effects 0.000 abstract description 2
- WEJZHZJJXPXXMU-UHFFFAOYSA-N 2,4-dichloro-1-phenylbenzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1 WEJZHZJJXPXXMU-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model discloses an SMT liquid crystal display module, which comprises a shell, wherein a partition plate is connected with the upper side of the inside of the shell through transverse screws, and the openings at the left side and the right side of the inside of the partition plate are respectively connected with a heat dissipation fan through screws; an air inlet is formed in the front upper side of the middle part inside the shell, and is positioned on the upper side of the partition plate, wherein an air inlet filter screen is connected to the inside of the air inlet through screws; the middle lower side of the shell is provided with an exhaust port in sequence from left to right; the front lower side of the inside of the shell is provided with a mounting opening; the left side and the right side of the lower side in the rear part of the inner side of the shell are respectively connected with a step installation block through screws. The shell, the separation plate, the heat radiation fan, the air inlet filter screen, the air outlet, the ladder mounting block, the PCB, the LED backlight source, the LCD screen and the back-shaped shell cover are arranged, so that the separation heat radiation function is realized, and the heat radiation effect can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of electronic products, and particularly relates to an SMT liquid crystal display module.
Background
The SMT liquid crystal display module is a module for displaying images, and mainly comprises an LCD display screen, an LED backlight source, a PCB board and the like, wherein the SMT liquid crystal display module has a publication number of CN215678974U and comprises a frame: the inner wall of the frame is provided with radiating fins, and the radiating fins are provided with a PCB; the PCB is respectively provided with an SMT patch and a backlight source, and the backlight source is provided with an LCD screen; the inside of frame is provided with the cooling pipe fitting of multistage formula structure, and the open end of cooling pipe fitting is provided with the end cap, and this liquid crystal display module still has some problems in the in-service use, like: although the PCB is arranged on the upper part of the radiating fins, the heat conducting performance of the PCB is poor, and the main heating electronic element is arranged on the upper part of the PCB, so that the heating electronic element cannot effectively radiate heat, and the radiating effect of the radiating mode is poor.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the SMT liquid crystal display module can realize the function of separating and radiating, and can effectively improve the radiating effect.
In order to solve the technical problems, the utility model adopts the following technical scheme: the SMT liquid crystal display module comprises a shell, wherein a partition plate is connected to the upper side of the inside of the shell through transverse screws, and heat dissipation fans are respectively connected to openings at the left side and the right side of the inside of the partition plate through screws; an air inlet is formed in the front upper side of the middle part inside the shell, and is positioned on the upper side of the partition plate, wherein an air inlet filter screen is connected to the inside of the air inlet through screws; the middle lower side of the shell is provided with an exhaust port in sequence from left to right; the front lower side of the inside of the shell is provided with a mounting opening; the left side and the right side of the middle lower side of the rear part of the inner side of the shell are respectively connected with a ladder mounting block through screws; the middle lower side screw at the rear part of the inner side of the shell is connected with a PCB circuit board; an LED backlight source is fixedly arranged at the front part between the steps at the rear side of the step mounting block; an LCD screen is fixedly arranged at the front part between the middle steps of the step mounting block; the rear part of the inner side of the mounting opening is connected with a back-shaped shell cover through screws.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the shell, the partition plate, the heat radiation fan, the air inlet filter screen, the air outlet, the ladder mounting block, the PCB circuit board, the LED backlight source, the LCD screen and the back-shaped shell cover are arranged, so that the separation heat radiation function is realized, and the heat radiation effect can be effectively improved.
Drawings
Fig. 1 is a schematic view of the external structure of the present utility model.
Fig. 2 is a schematic view of the internal structure of the present utility model.
In fig. 1 to 2:
1. A housing; 2. a partition plate; 3. a heat radiation fan; 4. an air inlet filter screen; 5. an exhaust port; 6. a step mounting block; 7. a PCB circuit board; 8. an LED backlight; 9. an LCD screen; 10. a back-shaped shell cover; 11. a cold guide plate; 12. a semiconductor refrigeration sheet module; 13. a cooling fin; 14. a protective cover; 15. and a heat radiation port.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
As shown in fig. 1 and fig. 2, the SMT liquid crystal display module of the utility model comprises a shell 1, wherein a partition plate 2 is connected with the upper side of the inside of the shell 1 through transverse screws, and a heat dissipation fan 3 is respectively connected with the openings of the left side and the right side of the inside of the partition plate 2 through screws; an air inlet is formed in the front upper side of the middle part inside the shell 1 and is positioned on the upper side of the partition plate 2, and an air inlet filter screen 4 is connected to the inside of the air inlet through screws; the middle lower side in the shell 1 is provided with an exhaust port 5 in sequence from left to right; the front lower side of the inside of the shell 1 is provided with a mounting port; the left side and the right side of the middle lower side of the inner side rear part of the shell 1 are respectively connected with a step mounting block 6 by screws; the middle lower side screw of the inner rear part of the shell 1 is connected with a PCB 7; an LED backlight source 8 is fixedly arranged at the front part between the steps at the rear side of the step mounting block 6; an LCD screen 9 is fixedly arranged at the front part between the middle steps of the step mounting block 6; the back screw connection has back style of calligraphy cap 10 in the mounting port, when PCB circuit board 7 circular telegram, PCB circuit board 7 then can automatic control radiator fan 3 start, make radiator fan 3 absorb the air in the cavity that forms between division board 2 upside and the shell 1, and make the cavity inside form negative pressure, outside air gets into the cavity after the filter of filter screen 4 that admits air this moment, then radiator fan 3 then can blow the air to PCB circuit board 7, LED backlight 8 and LCD screen 9, because of ladder installation piece 6 can separate PCB circuit board 7 and LED backlight 8, can separate LED backlight 8 and LCD screen 9 again, thereby the air then can be in full contact with PCB circuit board 7, LED backlight 8 and LCD screen 9 on the heating element, and then can make the heating element obtain effectual heat dissipation, realize separating radiating function, can effectively improve the radiating effect to the heating element.
In this embodiment, specifically, the upper opening of the inside of the casing 1 is integrally connected with a cold guide plate 11, and the left and right sides of the upper portion of the cold guide plate 11 are respectively screwed with a semiconductor refrigeration sheet module 12.
In this embodiment, specifically, the cooling fins 13 are integrally connected to the lower portion of the cooling plate 11 from left to right.
In this embodiment, specifically, the upper portion of the housing 1 is connected with a protective cover 14 by a screw, and the protective cover 14 is fastened to the outer side of the semiconductor refrigeration sheet module 12; the middle and front sides of the inside of the protective cover 14 are sequentially provided with heat dissipation openings 15 from left to right.
In this embodiment, specifically, the air inlet filter 4 is a non-woven fabric air filter, and when air passes through the air inlet filter 4, dust in the air is intercepted by the air inlet filter 4, so as to filter the dust in the air.
In this embodiment, specifically, the thickness of the step at the rear side of the step mounting block 6 is greater than the thickness of the PCB 7, so that a larger gap can be formed between the LED backlight 8 and the PCB 7, thereby facilitating heat dissipation of the PCB 7.
In this embodiment, specifically, the cold guide plate 11 is a rectangular aluminum plate, and the cold amount emitted by the semiconductor refrigeration sheet module 12 can be absorbed by the cold guide plate 11, so that when the air contacts with the cold guide plate 11, the temperature of the air is cooled down, and the cooling effect on the PCB circuit board 7 can be further improved.
In this embodiment, specifically, the cooling fin 13 is a rectangular aluminum sheet, and the contact area between the air and the refrigeration structure can be increased through the cooling fin 13, so that the cooling effect on the PCB circuit board 7 is further improved.
In this embodiment, the protection cover 14 is a rectangular plastic cover or a metal cover, which serves to protect the semiconductor refrigeration sheet module 12.
In this embodiment, specifically, the PCB 7 is a PCB embedded with an SMT patch and an STM32F030K6T6 type microcontroller.
In this embodiment, specifically, the heat dissipation fan 3 is an SF12025AT fan.
In this embodiment, the semiconductor refrigeration sheet module 12 is specifically a semiconductor refrigeration sheet module with a rated power of 50W to 100W.
In this embodiment, specifically, the LED backlight source 8, the lcd screen 9, the heat dissipation fan 3 and the semiconductor refrigeration sheet module 12 are all electrically connected with the PCB 7.
Principle of operation
In the utility model, when the PCB 7 is electrified, the PCB 7 automatically controls the heat dissipation fan 3 to start, so that the heat dissipation fan 3 absorbs air in a cavity formed between the upper side of the partition plate 2 and the shell 1, negative pressure is formed in the cavity, at the moment, the air outside enters the cavity after being filtered by the air inlet filter screen 4, and then the heat dissipation fan 3 blows the air to the PCB 7, the LED backlight 8 and the LCD screen 9, and the step mounting block 6 can separate the PCB 7 from the LED backlight 8 and separate the LED backlight 8 from the LCD screen 9, so that the air can completely contact with heating elements on the PCB 7, the LED backlight 8 and the LCD screen 9, further, the heating elements can be effectively dissipated, the function of separating and dissipating heat is realized, and the heat dissipation effect of the heating elements can be effectively improved.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (4)
1. An SMT liquid crystal display module comprises a shell (1) and is characterized in that a partition plate (2) is connected to the upper side of the inside of the shell (1) through transverse screws, and a heat radiation fan (3) is connected to the openings of the left side and the right side of the inside of the partition plate (2) through screws respectively; an air inlet is formed in the front upper side of the middle part inside the shell (1), and is positioned on the upper side of the partition plate (2), wherein an air inlet filter screen (4) is connected to the inside of the air inlet through screws; the middle lower side of the inside of the shell (1) is sequentially provided with an exhaust port (5) from left to right; the front lower side of the inside of the shell (1) is provided with a mounting opening; the left side and the right side of the middle lower side of the inner rear part of the shell (1) are respectively connected with a step mounting block (6) through screws; a PCB circuit board (7) is connected with the middle lower side screw at the rear part of the inner side of the shell (1); an LED backlight source (8) is fixedly arranged at the front part between the steps at the rear side of the step mounting block (6); an LCD screen (9) is fixedly arranged at the front part between the middle steps of the step mounting block (6); the rear part of the inner side of the mounting opening is connected with a back-shaped shell cover (10) through screws.
2. The SMT liquid crystal display module according to claim 1, wherein a cold guide plate (11) is integrally connected to an opening at the upper middle side in the interior of the housing (1), and semiconductor refrigerating sheet modules (12) are respectively screwed to the left and right sides of the upper portion of the cold guide plate (11).
3. An SMT liquid crystal display module as claimed in claim 2, characterized in that the lower part of the cold guide plate (11) is integrally connected with cooling fins (13) in sequence from left to right.
4. The SMT liquid crystal display module according to claim 1 or 2, wherein a protective cover (14) is connected to the upper part of the shell (1) through screws, and the protective cover (14) is fastened to the outer side of the semiconductor refrigeration piece module (12); the front side in the interior of the protective cover (14) is provided with a heat radiation opening (15) in sequence from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322997627.6U CN221225222U (en) | 2023-11-07 | 2023-11-07 | SMT liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322997627.6U CN221225222U (en) | 2023-11-07 | 2023-11-07 | SMT liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221225222U true CN221225222U (en) | 2024-06-25 |
Family
ID=91580530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322997627.6U Active CN221225222U (en) | 2023-11-07 | 2023-11-07 | SMT liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221225222U (en) |
-
2023
- 2023-11-07 CN CN202322997627.6U patent/CN221225222U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |