CN217879957U

CN217879957U - Improved turbine fan for projector and projector

Info

Publication number: CN217879957U
Application number: CN202222123032.3U
Authority: CN
Inventors: 杨秀才; 任乐军
Original assignee: Changsha Cre Electronic Technology Co ltd
Current assignee: Changsha Cre Electronic Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-22
Anticipated expiration: 2032-08-12

Abstract

The utility model provides a pair of an improved generation turbofan and projecting apparatus for projecting apparatus, wherein turbofan includes fan shell, fan blade and wind scooper, and the rotatable setting of fan blade is in the inside of fan shell, and one side of fan shell is provided with air intake, opposite side and is provided with the air outlet, and the air intake of wind scooper and the air outlet intercommunication of fan shell, the utility model also provides a projecting apparatus, its characterized in that has as above-mentioned improved generation turbofan, on the basis of the length through shortening fan air-out wind channel, installed an curved wind scooper additional, the air current that comes from fan blade will be under the effect of guide housing like this, blow into the inside cavity that is used for installing the lens of projecting apparatus with an appropriate angle, therefore the air current that turbofan produced just can cover the inside cavity that is used for installing the lens of whole projecting apparatus comprehensively to realize carrying out even radiating purpose to the lens.

Description

Improved turbine fan for projector and projector

Technical Field

The utility model relates to a relevant technical field of projecting apparatus specifically is an improved generation turbofan for projecting apparatus, still provides a projecting apparatus 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, especially in a cavity for mounting a lens, and due to the adoption of a conventional turbine fan, the air outlet angle of an air outlet is improper, when air is blown to the cavity for mounting the lens in the projector, the air cannot be blown to each position of the cavity, so that the heat dissipation dead angle is easily caused, the heat dissipation effect of each part on the lens is not uniform, and the imaging effect of the whole projector is further influenced;

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

3. the inside lens dismouting is inconvenient, when needs change or maintain the lens, can go on after needing to dismantle the peripheral spare part of lens is whole, and is extremely loaded down with trivial details.

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 realize the purpose of the invention, the technical proposal adopted by the utility model is as follows:

an improved turbofan for a projector comprises a blower shell, a blower blade and a wind scooper, wherein the blower blade is rotatably arranged inside the blower shell, one side of the blower shell is provided with an air inlet, the other side of the blower shell is provided with an air outlet, and the air inlet of the wind scooper is communicated with the air outlet of the blower shell.

In one embodiment, the air guide cover is a cylindrical body with a sector-shaped longitudinal section, and two planes opposite to the arc surface of the air guide cover are respectively provided with an opening to form an air inlet and an air outlet of the air guide cover.

In one embodiment, an included angle between two planes opposite to the arc surface of the wind guide cover is greater than 90 degrees and less than 180 degrees, and a side wall of an air outlet of the wind guide cover is vertically arranged on the wind guide cover.

In one embodiment, the fan shell and the wind scooper are integrally formed.

In one embodiment, the edge of the air outlet on the fan casing is flush with the outer edge of the fan blade.

In one embodiment, the two side walls of the fan housing perpendicular to the center line of the fan blade are respectively provided with an air inlet.

The utility model also provides a projector, which is characterized in that the projector comprises the improved turbofan for the projector, which also comprises a shell, the inner part of the shell is provided with a light machine, the light machine 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, the inner part of the shell is provided with a first cavity, a lens module installation cavity, an image display module installation cavity and a second cavity from top to bottom in sequence,

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 opening, a projection lens is connected on the lens mounting opening,

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 from a left side to the right turbofan, first speculum, condensing lens and light source, 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, what connect on first opening and the third opening is provided with first heating panel 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, what connect on the second opening is provided with the second heating panel in order to seal the second opening, the air outlet of turbofan 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.

Further, the lens module includes second lens and the LCD screen that from top to bottom sets gradually, the image display module includes reflection-type polaroid and the first lens that from top to bottom sets 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 utility model provides a pair of an improved generation turbofan for projecting apparatus, on the basis of the length through shortening fan air-out wind channel, installed a curved wind scooper additional, the air current that comes from fan blade like this will be under the effect of guide housing, blow into the inside cavity that is used for installing the lens of projecting apparatus with a suitable angle in, for the straight line form air-out wind direction of that of conventional fan, utilize the utility model provides a pair of an air current that an improved generation turbofan for projecting apparatus produced just can cover the inside cavity that is used for installing the lens of whole projecting apparatus comprehensively to realize carrying out even radiating purpose to the lens.

Secondly, the utility model provides a projector, 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 opening is arranged at the right end of the first cavity, a projection lens is connected on the lens installation opening, a lens module is arranged in the lens module installation cavity,

the image display module is arranged in the image display module mounting cavity, a turbofan, a first reflector, a condenser and a light source are sequentially arranged in 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, a first opening is formed in the left end of the second cavity, a third opening is formed in the left end of the lens module mounting cavity, a first heat dissipation plate is arranged on the first opening and the third opening in a connected mode to seal the first opening and the third opening, a second opening is formed in the right end of the lens module mounting cavity and the image display module mounting cavity, a second heat dissipation plate is arranged on the second opening in a connected mode to seal the second opening, an air outlet of the turbofan is communicated with the left end of the image display module mounting cavity, a sound box is arranged at a position, corresponding to the second reflector, on the outer side wall of the shell, a main board is arranged above the sound box, compared with the existing projector, the whole projector is more compact in size, the projector can be more fully utilized, and the packaging, transportation and storage cost is reduced;

thirdly, a third opening is formed in the left end of the lens module installation cavity, and the right side of the first 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 first heat dissipation plate;

the front side wall or the rear side wall of the image display module mounting cavity is provided with the fourth opening, and the fourth opening is provided with the sealing cover plate, 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 therefore, a user can greatly conveniently maintain or replace the lens module and the image display module;

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

Drawings

Fig. 1 is a schematic front view of a fan casing and an air guiding cover of the present invention;

fig. 2 is a left side view structural schematic diagram of the fan housing and the wind scooper of the present invention;

fig. 3 is a right-view structural schematic diagram of the fan casing and the wind scooper of the present invention;

fig. 4 is a schematic view of an internal three-dimensional partial structure of the optical machine provided by the present invention;

fig. 5 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," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to 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 are not to be construed as limiting the present 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 implicitly indicating 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, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. 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 of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means 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 present 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

As shown in fig. 1-5, 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. 4;

an improved turbofan 14 for a projector comprises a blower housing 14-1, a blower blade (not shown in the figure) and a wind scooper 14-2, wherein the blower blade is rotatably arranged inside the blower housing 14-1, one side of the blower housing 14-1 is provided with a wind inlet 14-3, the other side is provided with a wind outlet, the wind inlet of the wind scooper 14-2 is communicated with the wind outlet of the blower housing 14-1,

specifically, the air guiding cover 14-2 is a cylindrical body with a sector-shaped longitudinal section, and two planes opposite to the arc surface of the air guiding cover 14-2 are respectively provided with an opening to form an air inlet and an air outlet of the air guiding cover 14-2.

Preferably, the included angle between two planes opposite to the arc surface of the wind scooper 14-2 is larger than 90 degrees and smaller than 180 degrees, and the side wall of the air outlet of the wind scooper 14-2 on the wind scooper 14-2 is vertical, so that the air flow from the fan blade can be blown into the cavity for mounting the lens in the projector at a relatively horizontal angle under the action of the guide scooper 14-2, and the air flow from the fan blade can completely cover the cavity for mounting the lens in the whole projector, so that the aim of uniformly radiating the lens is fulfilled.

Preferably, the fan casing 14-1 and the wind scooper 14-2 are integrally formed to facilitate the production and manufacture of the whole fan, and the connection strength between the fan casing 14-1 and the wind scooper 14-2 is enhanced.

Preferably, the edge of the air outlet on the fan housing 14-1 is flush with the outer edge of the fan blade, which not only shortens the path of the airflow flowing out of the fan housing 14-1, but also reduces the volume of the whole fan, thereby reducing the whole volume of the whole projector.

Preferably, the two side walls of the fan housing 14-1 perpendicular to the center line of the fan blade are respectively provided with an air inlet, so that the air inlet volume and the air inlet path of the fan are increased, more parts can be adjacent to the air inlet of the fan, and the efficiency of dissipating heat generated inside the projector is effectively improved.

The utility model also provides a projector, which is provided with the improved turbofan for the projector, and also comprises a sealed shell 1, wherein 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 lens module is arranged in the lens module mounting cavity,

the inside of second chamber 13 has set gradually turbofan 14 from a left side to the right side, first speculum 2, condensing lens 5 and light source, the position department that corresponds with the light source on the lateral wall of casing 1 is provided with radiator 15, the left end of second chamber 13 is provided with first opening, the left end of lens module installation cavity is provided with third opening 12, it is provided with first heating panel 16 with sealed first opening and third opening 12 to connect on first opening and the third opening 12, the right-hand member of lens module installation cavity and image display module installation cavity is provided with the second opening, it is provided with second heating panel 17 with sealed second opening to connect on the second opening, turbofan 14's air outlet and the left end intercommunication of image display module installation cavity, the position department that corresponds with second speculum 3 on the lateral wall of casing 1 is provided with audio amplifier 18, the top of audio amplifier 18 is provided with mainboard 19.

Through the above structural design, a circulating heat dissipation air duct is formed among the turbo 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 first heat dissipation plate 16, so that the air generated by the turbo 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, the first heat dissipation plate 16 and then returns to the turbo 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 first heat dissipation plate 16 and the second heat dissipation plate 17 respectively, thereby achieving the purpose of dissipating heat of 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 the radiator, to sum up, through foretell structural design, just in time and furthest with the heat that the ray apparatus is inside to produce distribute away to guarantee the long-term stable work of whole ray apparatus.

In this embodiment, the lens module comprises a second lens 9 and a liquid crystal panel 8 sequentially arranged from top to bottom, the image display module comprises a reflective polarizer 7 and a first lens 6 sequentially arranged from top to bottom,

in this embodiment, the third opening 12 is formed at the left end of the lens module mounting cavity, and the right side of the first heat dissipation plate 16 is hermetically connected with the third opening 12, so that when the second lens 9 and the liquid crystal display 8 need to be maintained, the second lens 9 and the liquid crystal display 8 can be conveniently pulled out of the housing by only detaching the first 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 a screwdriver, so that excessive detachment of parts around the lens module and the image display module is not needed, and great convenience is brought to a user for maintenance or replacement of 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 several embodiments of the present invention, and the description thereof is more 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 concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The improved turbofan for the projector is characterized by comprising a turbofan shell, a turbofan blade and a wind scooper, wherein the turbofan blade is rotatably arranged inside the turbofan shell, one side of the turbofan shell is provided with an air inlet, the other side of the turbofan shell is provided with an air outlet, and the air inlet of the wind scooper is communicated with the air outlet of the turbofan shell.

2. The improved turbofan for a projector according to claim 1, wherein the wind scooper is a cylindrical body with a sector-shaped longitudinal section, and two planes of the wind scooper opposite to the arc surface of the wind scooper are respectively opened to form an air inlet and an air outlet of the wind scooper.

3. The improved turbofan for a projector according to claim 2, wherein an included angle between two planes on the wind guide cover opposite to the arc surface is greater than 90 degrees and less than 180 degrees, and a side wall of the wind guide cover on which an air outlet of the wind guide cover is disposed is vertically disposed.

4. An improved turbofan for a projector according to claim 3 wherein the blower housing and the wind scooper are integrally formed.

5. An improved turbofan for a projector according to claim 1 wherein the edge of the air exit on the blower housing is flush with the outer edge of the blower blade.

6. The improved turbofan for a projector according to claim 5, wherein the blower housing has air inlets formed on two sidewalls perpendicular to a center line of the blower blade.

7. A projector, characterized in that, there is an improved turbofan for projector according to any one of claims 1-6, further comprising a housing, the housing is internally provided with an optical engine, the optical engine comprises a casing, the casing is formed by combining at least two parts of casings, a buckle is arranged between the two parts of casings, the interior of the casing is sequentially provided with a first cavity, a lens module mounting cavity, an image display module mounting cavity and a second cavity 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,

8. The projector as claimed in claim 7, wherein the lens module includes a second lens and a liquid crystal panel arranged in sequence from top to bottom, and the image display module includes a reflective polarizer and a first lens arranged in sequence from top to bottom.

9. The projector as claimed in claim 8, wherein a fourth opening is disposed on a front side wall or a rear side wall of the image display module mounting cavity, and a sealing cover plate is disposed on the fourth opening.