CN218301456U - Main board structure of liquid crystal display television - Google Patents
Main board structure of liquid crystal display television Download PDFInfo
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- CN218301456U CN218301456U CN202222932105.3U CN202222932105U CN218301456U CN 218301456 U CN218301456 U CN 218301456U CN 202222932105 U CN202222932105 U CN 202222932105U CN 218301456 U CN218301456 U CN 218301456U
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Abstract
The utility model discloses a LCD TV mainboard structure, including the mainboard body, a mounting bracket, control element, mounting structure and heat radiation structure, the mounting bracket sets up the below at the mainboard body, heat radiation structure sets up between mounting bracket and mainboard body, control element all installs the upper surface at the mainboard body, mounting structure all sets up the turning position department on the mounting bracket top, L type locating rack is all installed to the turning position department on mounting bracket top, and the one end of L type locating rack extends to the top of mainboard body and is provided with the screw hole, the inside of screw hole is provided with positioning bolt, and positioning bolt and screw hole threaded connection, positioning pressure plate is installed to positioning bolt's bottom. The utility model discloses not only the dismouting is convenient, does benefit to subsequent dismantlement maintenance work, has improved the radiating effect of mainboard, has promoted the anti-interference ability of mainboard moreover.
Description
Technical Field
The utility model relates to a LCD TV technical field specifically is a LCD TV owner plate structure.
Background
Liquid crystal televisions, also called liquid crystal displays, LCDs for short, use a substance between solid and liquid states, an organic compound with a regular molecular arrangement, a substance which is heated to present a transparent liquid state and cooled to present a turbid solid state of crystalline particles, and with the development of electronic information technology, liquid crystal televisions are also spreading rapidly in the market, and liquid crystal televisions become one of the indispensable electrical appliances in most households.
The mainboard structure of the liquid crystal television is a main part of the television, and generally integrates a central processing unit, a memory, a display core, a memory and other chips, capacitors, circuits and the like, and the mainboard is a core for the operation of the television and helps the television to realize multiple functions: such as signal processing, image processing, and sound processing, the general motherboard is mounted by soldering, which is not only inconvenient to operate, but also disadvantageous to the subsequent disassembling and repairing work, and therefore needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid crystal display television mainboard structure to provide the inconvenient problem of mainboard structure dismouting in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LCD TV mainboard structure, includes mainboard body, mounting bracket, control element, mounting structure and heat radiation structure, the mounting bracket sets up the below at the mainboard body, heat radiation structure sets up between mounting bracket and mainboard body, control element all installs the upper surface at the mainboard body, mounting structure all sets up the turning position department on mounting bracket top, mounting structure's inside has set gradually L type locating rack, screw hole, positioning bolt, positioning pressure plate, the turning position department on mounting bracket top all installs L type locating rack, just the one end of L type locating rack extends to the top of mainboard body and is provided with the screw hole, the inside of screw hole is provided with positioning bolt, just positioning bolt and screw hole threaded connection, positioning pressure plate is installed to positioning bolt's bottom, just positioning pressure plate closely laminates with the mainboard body.
Preferably, one side on mainboard body top is provided with the mounting groove, just the mounting groove is circular structure, provides the space of installation for decoupling capacitor.
Preferably, all the welding has the soldering lug on the outer wall of mounting bracket both sides, is convenient for fix the mounting bracket.
Preferably, the mounting groove is internally provided with a decoupling capacitor, so that the anti-interference performance of the mainboard is improved.
Preferably, the positioning pressing plate is made of plastic, and the lower surface of the positioning pressing plate is provided with the friction convex particles, so that the positioning pressing plate can fix the mainboard body more firmly.
Preferably, heat radiation plate, heat dissipation silicone grease, heat radiation fins, ventilation gap have set gradually in heat radiation structure's inside, the mounting bracket inside of mainboard body below is fixed with the heat radiation plate, provides the bearing capacity for the mainboard body.
Preferably, the upper surface of heating panel glues and is glued the heat dissipation silicone grease, just heat dissipation silicone grease closely laminates with the mainboard body, is convenient for derive the heat that the mainboard body produced fast.
Preferably, the lower surface of the heat dissipation plate is fixed with heat dissipation fins at equal intervals, and ventilation gaps are formed among the heat dissipation fins, so that heat dissipation is accelerated.
Compared with the prior art, the beneficial effects of the utility model are that: the mainboard structure of the liquid crystal television is convenient to disassemble and assemble, is beneficial to subsequent disassembling and maintenance work, improves the heat dissipation effect of the mainboard, and improves the anti-interference performance of the mainboard;
(1) The mounting frame is provided with the mounting frame, the soldering lug, the L-shaped positioning frame, the threaded hole, the positioning bolt and the positioning pressing plate, the mainboard body is placed in the mounting frame, the positioning bolt is rotated to enable the mainboard body to rotate and move downwards in the threaded hole, the positioning bolt pushes the positioning pressing plate to enable the positioning pressing plate to be tightly pressed on the mainboard body, the mainboard body is fixed in the mounting frame, and then the mounting frame is fixed in the shell of the liquid crystal television through the soldering lug on the outer wall of the mounting frame;
(2) By arranging the heat dissipation plate, the heat dissipation silicone grease, the heat dissipation fins and the ventilation gap, the heat dissipation plate is arranged below the mainboard body, the heat dissipation silicone grease on the upper surface of the heat dissipation plate is attached to the mainboard body, so that heat generated by the mainboard body can be quickly led out, and the heat dissipation of the heat is accelerated by the heat dissipation fins on the lower surface of the heat dissipation plate through the ventilation gap, so that the heat dissipation effect of the mainboard is improved;
(3) Through being provided with mounting groove, decoupling capacitor, because the internally mounted of mounting groove has decoupling capacitor, decoupling capacitor can reduce the noise that the component couples to the power end, indirectly can reduce other components and receive the influence of this component noise, has played fine anti-jamming effect that plays to the interference killing feature of mainboard has been promoted.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional enlarged structure of the mounting structure of the present invention;
fig. 4 is a schematic view of a partially enlarged structure of the heat dissipation structure of the present invention;
fig. 5 is a schematic diagram of a three-dimensional amplification structure of the decoupling capacitor of the present invention.
In the figure: 1. a main board body; 2. a mounting frame; 3. soldering lugs; 4. a control element; 5. mounting grooves; 6. a decoupling capacitor; 7. a mounting structure; 701. an L-shaped positioning frame; 702. a threaded hole; 703. positioning a bolt; 704. positioning a pressing plate; 8. a heat dissipation structure; 801. a heat dissipation plate; 802. heat dissipation silicone grease; 803. heat dissipation fins; 804. a ventilation gap.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiment of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a liquid crystal display television mainboard structure comprises a mainboard body 1, a mounting rack 2, a control element 4, a mounting structure 7 and a heat dissipation structure 8, wherein the mounting rack 2 is arranged below the mainboard body 1;
the outer walls of the two sides of the mounting frame 2 are welded with soldering lugs 3, so that the mounting frame 2 is convenient to fix;
the heat dissipation structure 8 is arranged between the mounting frame 2 and the main board body 1;
a heat dissipation plate 801, heat dissipation silicone grease 802, heat dissipation fins 803 and ventilation gaps 804 are sequentially arranged in the heat dissipation structure 8, and the heat dissipation plate 801 is fixed in the mounting rack 2 below the main board body 1;
the upper surface of the heat dissipation plate 801 is adhered with heat dissipation silicone grease 802, and the heat dissipation silicone grease 802 is tightly attached to the main board body 1;
the lower surfaces of the heat dissipation plates 801 are all fixed with heat dissipation fins 803 at equal intervals, and ventilation gaps 804 are arranged among the heat dissipation fins 803;
the heat dissipation plate 801 is arranged below the mainboard body 1, the heat dissipation silicone grease 802 on the upper surface of the heat dissipation plate 801 is attached to the mainboard body 1, heat generated by the mainboard body 1 is conveniently and quickly led out, and the heat dissipation fins 803 on the lower surface of the heat dissipation plate 801 accelerate the heat dissipation through the ventilation gaps 804, so that the heat dissipation effect of the mainboard is improved, and the service life of the mainboard is prolonged;
the control elements 4 are all arranged on the upper surface of the main board body 1;
one side of the top end of the main board body 1 is provided with a mounting groove 5, and the mounting groove 5 is of a circular structure and provides a mounting space for the decoupling capacitor 6;
a decoupling capacitor 6 is arranged in the mounting groove 5, so that the anti-interference performance of the mainboard is improved;
the mounting structures 7 are all arranged at the corner positions of the top end of the mounting frame 2;
an L-shaped positioning frame 701, a threaded hole 702, a positioning bolt 703 and a positioning pressing plate 704 are sequentially arranged in the mounting structure 7;
the corner positions of the top end of the mounting rack 2 are all provided with an L-shaped positioning rack 701, and one end of the L-shaped positioning rack 701 extends to the upper part of the main board body 1 and is provided with a threaded hole 702;
a positioning bolt 703 is arranged inside the threaded hole 702, and the positioning bolt 703 is in threaded connection with the threaded hole 702;
a positioning pressing plate 704 is mounted at the bottom end of the positioning bolt 703, and the positioning pressing plate 704 is tightly attached to the main board body 1;
the positioning pressing plate 704 is made of plastic, and the lower surface of the positioning pressing plate 704 is provided with friction convex particles, so that the positioning pressing plate 704 can fix the mainboard body 1 more firmly.
When the embodiment of the application is used: firstly, when installing mainboard body 1, push mainboard body 1 into mounting bracket 2 from the side, secondly, rotatory positioning bolt 703 makes it rotate and move down in the inside of screw hole 702, positioning bolt 703 promotes positioning clamp plate 704 and makes it sticis on mainboard body 1, fix mainboard body 1 in the inside of mounting bracket 2, rethread soldering lug 3 on the mounting bracket 2 outer wall fixes mounting bracket 2 in the LCD TV casing, this mode is compared with the welded mode, and is easy and simple to handle, the dismouting is convenient, thereby it is favorable to subsequent dismantlement maintenance work, then, because mainboard body 1's below is equipped with cooling panel 801, heat dissipation silicone grease 802 and mainboard body 1 laminating of cooling panel 801 upper surface, be convenient for derive the heat that mainboard body 1 produced fast, heat dissipation has accelerated the thermal dissipation through ventilation gap 804 to the heat radiating fin 803 of cooling panel 801 lower surface, thereby the radiating effect of mainboard has been improved, the life of mainboard has been prolonged, and, because the internally mounted of mounting groove 5 has decoupling capacitor 6, decoupling capacitor 6 can reduce the noise that the component couples to the power end of this component, can reduce the influence of this component noise, play fine effect to the anti-jamming effect, thereby the liquid crystal display television work of mainboard is accomplished, the work of anti-interference has been promoted.
Claims (8)
1. The utility model provides a LCD TV mainboard structure, its characterized in that, includes mainboard body (1), mounting bracket (2), control element (4), mounting structure (7) and heat radiation structure (8), mounting bracket (2) set up the below at mainboard body (1), heat radiation structure (8) set up between mounting bracket (2) and mainboard body (1), control element (4) are all installed at the upper surface of mainboard body (1), mounting structure (7) all set up the turning position department on mounting bracket (2) top, the inside of mounting structure (7) has set gradually L type locating rack (701), screw hole (702), positioning bolt (703), positioning plate (704), the turning position department on mounting bracket (2) top all installs L type locating rack (701), just the one end of L type locating rack (701) extends to the top of mainboard body (1) and is provided with screw hole (702), the inside of screw hole (702) is provided with positioning bolt (703), just positioning bolt (703) and screw hole (702) threaded connection, positioning bolt (703) and the bottom closely laminate mainboard body (704), and pressing plate (704).
2. The liquid crystal television main board structure according to claim 1, wherein: one side on mainboard body (1) top is provided with mounting groove (5), just mounting groove (5) are circular structure.
3. The liquid crystal television main board structure according to claim 1, wherein: soldering lugs (3) are welded on the outer walls of the two sides of the mounting rack (2).
4. The liquid crystal television main board structure according to claim 2, wherein: and a decoupling capacitor (6) is arranged in the mounting groove (5).
5. The liquid crystal television main board structure according to claim 1, wherein: the positioning pressing plate (704) is made of plastic, and friction convex grains are arranged on the lower surface of the positioning pressing plate (704).
6. The liquid crystal television main board structure according to claim 5, wherein: the heat dissipation structure is characterized in that a heat dissipation plate (801), heat dissipation silicone grease (802), heat dissipation fins (803) and a ventilation gap (804) are sequentially arranged inside the heat dissipation structure (8), and the heat dissipation plate (801) is fixed inside the mounting rack (2) below the main board body (1).
7. The LCD TV main board structure of claim 6, wherein: the upper surface of the heat dissipation plate (801) is adhered with heat dissipation silicone grease (802), and the heat dissipation silicone grease (802) is tightly attached to the mainboard body (1).
8. The LCD TV main board structure of claim 6, wherein: the lower surface of the heat dissipation plate (801) is fixed with heat dissipation fins (803) with equal intervals, and ventilation gaps (804) are arranged among the heat dissipation fins (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222932105.3U CN218301456U (en) | 2022-11-04 | 2022-11-04 | Main board structure of liquid crystal display television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222932105.3U CN218301456U (en) | 2022-11-04 | 2022-11-04 | Main board structure of liquid crystal display television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301456U true CN218301456U (en) | 2023-01-13 |
Family
ID=84809919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222932105.3U Active CN218301456U (en) | 2022-11-04 | 2022-11-04 | Main board structure of liquid crystal display television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301456U (en) |
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2022
- 2022-11-04 CN CN202222932105.3U patent/CN218301456U/en active Active
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