CN217821231U

CN217821231U - LCD heating panel and have projecting apparatus of this LCD heating panel

Info

Publication number: CN217821231U
Application number: CN202222123066.2U
Authority: CN
Inventors: 杨秀才; 任乐军
Original assignee: Hunan Chuangke Optoelectronics Co ltd
Current assignee: Hunan Chuangke Optoelectronics Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-15
Anticipated expiration: 2032-08-12

Abstract

The utility model provides a LCD heating panel and have projecting apparatus of this LCD heating panel, wherein, the LCD heating panel, including the fin body, the longitudinal section of fin body is "the shape, the right side of fin body inwards caves in and forms the recess, through the structure of improving the LCD heating panel for five sides of LCD heating panel all contact with the inside heat dissipation wind channel of ray apparatus, consequently increased the area of contact between the heat that LCD heating panel and ray apparatus inside produced, the corresponding heat that produces the ray apparatus inside that can accelerate distributes away, reach rapid cooling's effect, still provide a projecting apparatus that has this LCD heating panel simultaneously, its radiating effect is superior to the projecting apparatus that adopts traditional heating panel.

Description

LCD heating panel and have projecting apparatus of this LCD heating panel

Technical Field

The utility model relates to a relevant technical field of projecting apparatus specifically is the LCD heating panel, still provides a projecting apparatus that has this LCD heating panel simultaneously.

Background

Along with the popularization of electronic equipment, the projecting apparatus walks into the public field of vision gradually, and the projecting apparatus has that the display surface is big, advantages such as convenient removal, and the occasion such as many uses in meeting, teaching, show simultaneously begins gradually to walk into the family, and more people intend to replace the video-audio equipment of TV as the family with the projecting apparatus, but present traditional projecting apparatus has following shortcoming:

1. on the premise of limited volume, the heat dissipation effect of internal components is poor, and especially the requirement on the projection effect of the projector is higher and higher at present, so that the heat dissipation effect of the interior of the projector is particularly important, and the heat dissipation plate is a heat dissipation part commonly used in the interior of the projector, but the heat dissipation efficiency of the conventional heat dissipation plate is not high at present, and the heat dissipation requirement of the projector at present is difficult to meet;

2. the internal structure is scattered, and the space utilization rate is not high;

3. the inner lens is inconvenient to disassemble and assemble, and when the lens needs to be replaced or maintained, the disassembly can be carried out only after all parts around the lens are disassembled, which is extremely tedious.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model provides a projector for overcome the above-mentioned defect among the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the LCD radiating plate comprises a radiating fin body, the longitudinal section of the radiating fin body is in a shape of 'an' and the right side of the radiating fin body is inwards sunken to form a groove.

In one embodiment, a plurality of ribs are respectively arranged on the outer surfaces of the front side wall, the rear side wall, the upper side wall, the lower side wall and the left side wall of the radiating fin body at intervals and on the inner surfaces of the left side wall and the lower side wall of the radiating fin body.

In one embodiment, the ribs on the outer surfaces of the front side wall, the rear side wall and the left side wall are respectively arranged transversely, the ribs on the outer surfaces of the upper side wall and the lower side wall are respectively arranged vertically with the ribs on the outer surface of the left side wall, and the ribs on the inner surfaces of the left side wall and the lower side wall are respectively arranged longitudinally.

In one embodiment, the ribs on the outer surfaces of the front side wall, the rear side wall and the left side wall are arranged in a one-to-one correspondence and are connected with each other, the ribs on the inner surfaces of the left side wall and the lower side wall are arranged in a one-to-one correspondence and are connected with each other, and the interval distance between the ribs on the outer surface of the upper side wall is equal to the interval distance between the ribs on the outer surface of the lower side wall.

In one embodiment, the ribs on the outer surface of the upper side wall extend downward to connect with the ribs on the left side wall, and the ribs on the outer surface of the lower side wall extend upward to connect with the ribs on the left side wall.

In one embodiment, the heat sink body and the rib are integrally formed.

The utility model also provides a projector with the LCD heat dissipation plate, which comprises the LCD heat dissipation plate and a shell, wherein the light machine is arranged inside the shell and comprises a shell body, the shell body is formed by combining at least two parts of shell bodies, a buckle is arranged between the two parts of shell bodies, a first cavity, a lens module installation cavity, an image display module installation cavity and a second cavity are sequentially arranged inside the shell body from top to bottom,

the left end of the first cavity is provided with a second reflector, the right end of the first cavity is provided with a lens mounting port, a projection lens is connected to the lens mounting port,

the lens module is arranged in the lens module mounting cavity, the image display module is arranged in the image display module mounting cavity,

the inside of second chamber has set gradually radiator fan, first speculum, condensing lens and light source from a left side to the right side, on the lateral wall of casing with the position department that the light source corresponds is provided with the radiator, the left end of second chamber is provided with first opening, the left end of lens module installation cavity is provided with the third opening, be provided with of connecting on first opening and the third opening the LCD heating panel is in order to seal first opening and third opening, the right-hand member of lens module installation cavity and image display module installation cavity is provided with the second opening, be provided with the second heating panel of connecting on the second opening in order to seal the second opening, radiator fan's air outlet with the left end intercommunication of image display module installation cavity, on the lateral wall of casing with the position department that the second speculum corresponds is provided with the audio amplifier, the top of audio amplifier is provided with the mainboard.

Furthermore, the lens module is including the second lens and the LCD screen that from top to bottom set gradually, the image display module is including the reflection-type polaroid and the first lens that from top to bottom set gradually.

Further, be provided with the fourth opening on the preceding lateral wall of image display module assembly installation cavity or the back lateral wall, be provided with sealed apron on the fourth opening.

Compared with the prior art, the LCD heating panel provided by the utility model has the advantages that through improving the structure of the LCD heating panel, five sides of the LCD heating panel are all contacted with the heat dissipation air duct inside the optical machine, so that the contact area between the LCD heating panel and the heat generated inside the optical machine is increased, the heat generated inside the optical machine can be correspondingly and rapidly dissipated, and the effect of rapid cooling is achieved;

secondly, the utility model provides a projector with the LCD heat radiation plate, which comprises a sealed shell, a first cavity, a lens module installation cavity, an image display module installation cavity and a second cavity are arranged in the shell from top to bottom in sequence, a second reflector is arranged at the left end of the first cavity, a lens installation port is arranged at the right end of the first cavity, a projection lens is connected on the lens installation port, a lens module is arranged in the lens module installation cavity, an image display module is arranged in the image display module installation cavity, a heat radiation fan, a first reflector, a condenser and a light source are arranged in the second cavity from left to right in sequence, a heat radiator is arranged at the position corresponding to the light source on the outer side wall of the shell, a first opening is arranged at the left end of the second cavity, the left end of the lens module installation cavity is provided with a third opening, the first opening and the third opening are connected and provided with an LCD (liquid crystal display) heat dissipation plate for sealing the first opening and the third opening, the right ends of the lens module installation cavity and the image display module installation cavity are provided with second openings, the second opening is connected and provided with a second heat dissipation plate for sealing the second opening, an air outlet of the heat dissipation fan is communicated with the left end of the image display module installation cavity, a sound box is arranged on the outer side wall of the shell and at a position corresponding to the second reflector, and a main board is arranged above the sound box;

thirdly, a third opening is formed in the left end of the lens module installation cavity, and the right side of the LCD heat dissipation plate is in sealing connection with the third opening, so that when the lens module needs to be maintained, the lens module can be conveniently pulled out of the shell only by detaching the LCD heat dissipation plate;

a fourth opening is formed in the front side wall or the rear side wall of the image display module mounting cavity, and a sealing cover plate is arranged on the fourth opening, so that when the image display module needs to be maintained, the image display module can be conveniently pulled out of the shell only by detaching the sealing cover plate, and a user can greatly conveniently maintain or replace the lens module and the image display module;

at last, through clearance between each lens in radiator fan, the image display module assembly, second heating panel, form a circulation heat dissipation wind channel between clearance and the LCD heating panel between each lens of lens module assembly, set up the radiator in the outside of light source simultaneously, just so can be timely and furthest with the inside heat that produces of ray apparatus distribute away to guarantee the long-term stable work of whole ray apparatus.

Drawings

Fig. 1 is a schematic view of a front view structure of an LCD heat dissipation plate according to the present invention;

fig. 2 is a left side view structural diagram of the LCD heat dissipation plate according to the present invention;

fig. 3 is a schematic diagram of a right-view structure of the LCD heat dissipation plate according to the present invention;

fig. 4 is a schematic perspective view of an LCD heat dissipation plate according to the present invention;

fig. 5 is a schematic view of an internal three-dimensional partial structure of the optical machine provided by the present invention;

fig. 6 is a schematic view of an external three-dimensional partial structure of the optical machine provided by the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships, based on the orientations and positional relationships illustrated in the drawings, for the purposes of describing the invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1-6, for convenience of description, the references of "up", "down", "left", "right", "front" and "rear" directions in the present invention are based on the directions shown in fig. 1;

the LCD heat radiation plate 16 comprises a heat radiation fin body 16-1, the longitudinal section of the heat radiation fin body 16-1 is in a shape of an's', the right side of the heat radiation fin body 16-1 is inwards sunken to form a groove,

in the present embodiment, a plurality of ribs 16-2 are provided at intervals on the outer surfaces of the front, rear, upper, lower and left side walls and on the inner surfaces of the left and lower side walls of the fin body 16-1,

preferably, the ribs 16-2 on the outer surfaces of the front, rear and left side walls of the fin body 16-1 are respectively arranged transversely, the ribs 16-2 on the outer surfaces of the upper and lower side walls of the fin body 16-1 are respectively arranged vertically with the ribs 16-2 on the outer surface of the left side wall, and the ribs 16-2 on the inner surfaces of the left and lower side walls of the fin body 16-1 are respectively arranged longitudinally;

like this the front side wall of LCD heating panel 16, the back side wall, go up the lateral wall, the internal surface of lower lateral wall and left side wall all participates in constituting the inside heat dissipation channel of ray apparatus, it is corresponding, the heat in the inside heat dissipation channel of ray apparatus all can contact the front side wall of LCD heating panel 16, the back side wall, go up the lateral wall, the internal surface of lower lateral wall and left side wall, therefore, the heat in the inside heat dissipation channel of ray apparatus can carry out quick heat dissipation through the front side wall of LCD heating panel 16, the back side wall, go up the lateral wall, lower lateral wall and left side wall, and simultaneously and cooperate on the front side wall of LCD heating panel 16, the back side wall, go up the lateral wall, several ribs 16-2 of the spaced setting respectively on the surface of lower lateral wall and left side wall and on the internal surface of lower lateral wall, the speed that the heat in the inside heat dissipation channel of ray apparatus outwards dispels has further accelerated.

Preferably, the ribs 16-2 on the outer surfaces of the front side wall, the rear side wall and the left side wall of the heat sink body 16-1 are correspondingly arranged one by one and connected with each other, the ribs 16-2 on the inner surfaces of the left side wall and the lower side wall of the heat sink body 16-1 are correspondingly arranged one by one and connected with each other, the spacing distance between the ribs 16-2 on the outer surface of the upper side wall of the heat sink body 16-1 is equal to the spacing distance between the ribs 16-2 on the outer surface of the lower side wall, and the ribs 16-2 in the structural layout are all used for increasing the contact area between the ribs 16-2 and the heat in the heat dissipation channel inside the optical engine so as to further increase the outward heat dissipation speed.

In this embodiment, the rib 16-2 on the outer surface of the upper side wall of the fin body 16-1 extends downward to connect with the rib 16-2 on the left side wall, and the rib 16-2 on the outer surface of the lower side wall extends upward to connect with the rib 16-2 on the left side wall to form a whole, increasing the connection strength therebetween.

Preferably, in order to simplify the structure of the entire LCD heat dissipation plate 16 and reduce the difficulty and cost of the manufacturing process of the heat dissipation plate, the integrally formed arrangement between the heat dissipation plate body 16-1 and the ribs 16-2 is designed, and the production efficiency of the entire LCD heat dissipation plate 16 is improved.

The utility model also provides a projector with the LCD heat dissipation plate, which comprises the LCD heat dissipation plate and a shell, wherein the light machine is arranged in the shell, the light machine comprises a sealed shell 1, the shell 1 is formed by combining at least two parts of shells, a buckle is arranged between the two parts of shells 1 to connect the two parts of shells, a first cavity 10, a lens module installation cavity, an image display module installation cavity and a second cavity 13 are sequentially arranged in the shell 1 from top to bottom,

the left end of the first cavity 10 is provided with a second reflector 3, the right end is provided with a lens mounting port, a projection lens 4 is connected on the lens mounting port,

the second cavity 13 is internally provided with a radiator fan 14, a first reflector 2, a condenser 5 and a light source in sequence from left to right, a radiator 15 is arranged at a position corresponding to the light source on the outer side wall of the shell 1, the left end of the second cavity 13 is provided with a first opening, the left end of the lens module installation cavity is provided with a third opening 12, the first opening and the third opening are connected and provided with an LCD radiator plate 16 provided by the utility model for sealing the first opening and the third opening 12, the right ends of the lens module installation cavity and the image display module installation cavity are provided with a second opening, the second opening is connected and provided with a second radiator plate 17 for sealing the second opening, the air outlet of the radiator fan 14 is communicated with the left end of the image display module installation cavity,

a sound box 18 is arranged on the outer side wall of the shell 1 at a position corresponding to the second reflecting mirror 3, and a main board 19 is arranged above the sound box 18;

wherein the lens module comprises a second lens 9 and a liquid crystal screen 8 which are arranged from top to bottom in sequence, the image display module comprises a reflection-type polaroid 7 and a first lens 6 which are arranged from top to bottom in sequence,

through the above structural design, a circulating heat dissipation air duct is formed among the heat dissipation fan 14, the gap between the reflection-type polarizer 7 and the first lens 6, the second heat dissipation plate 17, the gap between the second lens 9 and the liquid crystal panel 8, and the LCD heat dissipation plate 16, so that the air generated by the heat dissipation fan 14 flows through the gap between the reflection-type polarizer 7 and the first lens 6, the second heat dissipation plate 17, the gap between the second lens 9 and the liquid crystal panel 8, and the LCD heat dissipation plate 16 and then returns to the heat dissipation fan 14, and accordingly, the heat on the second lens 9, the liquid crystal panel 8, the reflection-type polarizer 7, the first lens 6, and the first reflector 2 is dissipated through the LCD heat dissipation plate 16 and the second heat dissipation plate 17 respectively, so as to achieve the purpose of dissipating heat for the second lens 9, the liquid crystal panel 8, the reflection-type polarizer 7, the first lens 6, and the first reflector 2,

simultaneously, the position department that corresponds with the light source on the lateral wall of casing 1 is provided with radiator 15, and the heat that the light source during operation produced just can distribute away via radiator 15, to sum up, through foretell structural design, just in time and furthest distributes away the heat that the ray apparatus is inside to produce to guarantee the long-term stable work of whole ray apparatus.

In this embodiment, the left end of the lens module installation cavity is provided with the third opening 12, and the right side of the LCD heat dissipation plate 16 is hermetically connected with the third opening 12, so that when the second lens 9 and the liquid crystal screen 8 need to be maintained, the second lens 9 and the liquid crystal screen 8 can be conveniently pulled out of the housing only by detaching the LCD heat dissipation plate 16;

in this embodiment, a fourth opening is formed in a front side wall of the image display module mounting cavity, and a sealing cover plate 11 is arranged on the fourth opening through a screw; therefore, when the reflective polarizer 7 and the first lens 6 need to be maintained, the reflective polarizer 7 and the first lens 6 can be conveniently pulled out of the shell only by detaching the sealing cover plate 11 through the screwdriver, so that excessive disassembly of the lens module and parts around the image display module is not needed, and great convenience is brought to a user to maintain or replace the lens module and the image display module.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

The LCD radiating plate is characterized by comprising a radiating fin body, the longitudinal section of the radiating fin body is in an's' shape, and the right side of the radiating fin body is inwards sunken to form a groove.
2. The LCD heat dissipation plate of claim 1, wherein a plurality of ribs are formed on the outer surfaces of the front, rear, upper, lower and left side walls and the inner surfaces of the left and lower side walls of the heat dissipation plate body at intervals, respectively.
3. The LCD heat dissipation plate of claim 2, wherein the ribs on the outer surfaces of the front, rear, and left side walls are respectively disposed in a horizontal direction, the ribs on the outer surfaces of the upper and lower side walls are respectively disposed vertically with the ribs on the outer surface of the left side wall, and the ribs on the inner surfaces of the left and lower side walls are respectively disposed in a vertical direction.
4. The LCD heat dissipation plate of claim 3, wherein the ribs on the outer surfaces of the front, rear, and left side walls are disposed in one-to-one correspondence and connected to each other, and the ribs on the inner surfaces of the left and lower side walls are disposed in one-to-one correspondence and connected to each other, and the interval distance between the ribs on the outer surface of the upper side wall is equal to the interval distance between the ribs on the outer surface of the lower side wall.
5. The LCD heat sink as claimed in claim 4, wherein the ribs on the outer surface of the upper sidewall extend downward to connect with the ribs on the left sidewall, and the ribs on the outer surface of the lower sidewall extend upward to connect with the ribs on the left sidewall.
6. The LCD heat sink as described in claim 5, wherein said heat sink body and said ribs are integrally formed.
7. A projector with the LCD heat dissipation plate is characterized in that the LCD heat dissipation plate comprises the LCD heat dissipation plate as in any one of claims 1 to 6, and further comprises a shell, wherein an optical engine is arranged inside the shell, the optical engine comprises a shell, the shell is formed by combining at least two parts of shells, a buckle is arranged between the two parts of shells, a first cavity, a lens module installation cavity, an image display module installation cavity and a second cavity are sequentially arranged inside the shell from top to bottom,

the left end of the first cavity is provided with a second reflector, the right end of the first cavity is provided with a lens mounting port, a projection lens is connected to the lens mounting port,

the lens module is arranged in the lens module mounting cavity, the image display module is arranged in the image display module mounting cavity,

the LED lamp comprises a shell, a first cavity, a second cavity, a lens module installation cavity, a heat dissipation fan, a first reflector, a condenser and a light source, wherein the heat dissipation fan, the first reflector, the condenser and the light source are sequentially arranged inside the second cavity from left to right, a radiator is arranged at a position, corresponding to the light source, on the outer side wall of the shell, the left end of the second cavity is provided with a first opening, the left end of the lens module installation cavity is provided with a third opening, the LCD heat dissipation plate is connected to the first opening and the third opening to seal the first opening and the third opening, the right end of the lens module installation cavity and the right end of the image display module installation cavity are provided with a second opening, the second opening is connected to the second opening and provided with a second heat dissipation plate to seal the second opening, the air outlet of the heat dissipation fan is communicated with the left end of the image display module installation cavity, a sound box is arranged at a position, corresponding to the second reflector, and a main board is arranged above the sound box.
8. A projector as claimed in claim 7, wherein said lens module comprises a second lens and a liquid crystal panel, and said image display module comprises a reflective polarizer and a first lens.
9. A projector with the LCD heat dissipation plate as claimed in claim 8, wherein a fourth opening is provided on the front side wall or the rear side wall of the image display module installation cavity, and a sealing cover plate is provided on the fourth opening.