CN213814241U

CN213814241U - Projector

Info

Publication number: CN213814241U
Application number: CN202022509221.5U
Authority: CN
Inventors: 梁宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-27
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a projector, which comprises a shell and a projection host, wherein the shell is made of metal, and a containing cavity is arranged in the shell; the projection host is arranged in the accommodating cavity and is in contact with the inner wall of the shell; because metal can heat conduction, when the projection host computer generates heat, heat accessible casing conducts the external world in order to realize the heat dissipation, need not to set up the louvre, can avoid the dust to fall into.

Description

Projector

Technical Field

The utility model relates to a projection equipment technical field, especially a projector.

Background

The projector is an instrument capable of projecting or reflecting images or videos to a screen, because the projector projects the images to the screen by using a light source, and the heating power of the light source is large, the projector needs to dissipate heat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a projector, its casing can dispel the heat and can avoid the dust to fall into inside the casing.

According to the utility model discloses projector, include: the shell is made of metal, and a closed containing cavity is formed in the shell; the projection host is arranged in the accommodating cavity and is in contact with the inner wall of the shell.

According to the utility model discloses projector has following beneficial effect at least: because the material of casing is the metal, the metal can heat conduction, and projection host computer and shells inner wall contact, when projection host computer generates heat, heat accessible casing conducts the external world in order to realize the heat dissipation, need not to set up the louvre, can avoid the dust to fall into.

According to some embodiments of the utility model, the projection host computer include optical assembly and with the circuit board that optical assembly electricity is connected, optical assembly with the circuit board respectively with the inner wall contact of casing, the heat accessible metal casing that optical assembly and circuit board sent conducts the external world in order to realize the heat dissipation.

According to the utility model discloses a some embodiments still include the light-passing board, be equipped with the intercommunication respectively on the casing hold chamber and external logical unthreaded hole, optical assembly's projection end with logical unthreaded hole butt joint, the light-passing board with the shutoff is connected with the casing logical unthreaded hole, logical unthreaded hole is used for through projection light, and the light-passing board can the printing opacity and can prevent that the dust from falling into the casing.

According to the utility model discloses a some embodiments, be equipped with heat radiation structure on the casing for improve the radiating rate of casing.

According to the utility model discloses a some embodiments, heat radiation structure includes a plurality of radiating fin, and simple structure can increase heat radiating area, improves the radiating rate.

According to the utility model discloses a some embodiments, heat radiation structure includes the fan, the air outlet orientation of fan radiating fin improves the radiating rate, increases the radiating effect.

According to some embodiments of the utility model, the casing includes that one end is equipped with open-ended drain pan and closing cap, the closing cap with the drain pan is connected in order to shelter from the opening is convenient for the installation of optical assembly and circuit board through the opening in order to prevent that the dust from falling into the casing.

According to the utility model discloses a some embodiments, be equipped with the mounting groove that is used for installing the camera on the casing, this mounting groove is convenient for equipment such as installation camera or infrared lamp in order to be used for the projection interactive.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a housing of a projector according to an embodiment of the present invention.

Fig. 2 is an external structural view of a housing of a projector according to an embodiment of the present invention.

Fig. 3 is an internal structure diagram of a projector according to an embodiment of the present invention.

Reference numerals:

the light source module comprises a housing 100, a cavity 110, a light through hole 120, a heat dissipation structure 130, heat dissipation fins 131, a fan 132, a bottom case 140, a cover 150, an optical assembly 200, a light source 210, and a light-transmitting plate 400.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, the terms of setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention by combining the specific contents of the technical solutions.

As shown in fig. 1, a projector according to an embodiment of the present invention includes a housing 100 and a projector main body, wherein the housing 100 is made of metal, such as aluminum, iron, or copper; a closed cavity 110 is arranged in the shell 100; the projection host is arranged in the cavity 110 and is in contact with the inner wall of the shell; because the material of casing 100 is the metal, the metal can be heat-conducting, and the projection host computer contacts with casing 100 inner wall, and when the projection host computer generated heat, heat accessible casing 100 conducted the external world in order to realize the heat dissipation to inclosed appearance chamber 110 can avoid the dust to fall into.

As shown in fig. 3, in some embodiments, the projection host includes an optical assembly 200 and a circuit board electrically connected to the optical assembly 200, the optical assembly 200 and the circuit board are respectively in contact with an inner wall of the housing 100, and heat generated by the optical assembly 200 and the circuit board can be conducted to the outside through the metal housing 100 to dissipate heat. In some embodiments, the optical assembly 200 is integrated with the circuit board on a module disposed in the cavity 110; in some embodiments, as shown in fig. 3, the optical assembly 200 is separated from the circuit board and located at two positions in the cavity 110.

In some embodiments, the optical module further includes a light-transmitting plate 400, the housing 100 is provided with a light-transmitting hole 120 respectively communicating with the cavity 110 and the outside, the projection end of the optical assembly 200 is abutted to the light-transmitting hole 120, the light-transmitting plate 400 is connected to the housing 100 to seal the light-transmitting hole 120, the light-transmitting hole 120 is used for transmitting projection light, and the light-transmitting plate 400 can transmit light and can prevent dust from falling into the housing 100.

In some embodiments, the optical assembly 200 includes a light source 210, a lens between the light source 210 and the reflector, a digital light processing chip between the lens and the reflector for reflecting light passing through the lens, and a digital light processing chip for receiving and processing light reflected by the reflector and emitting projected light to the light through hole 120, the optical assembly 200 has a simple structure and a high reliability, the light source 210 is electrically connected to the circuit board and contacts with the inner wall of the housing 100, and heat emitted from the light source 210 can be dissipated to the outside through the metal housing.

In some embodiments, the heat dissipation structure 130 is disposed on the outer surface of the casing 100, and in some embodiments, the heat dissipation structure 130 is a heat pipe, one end of the heat pipe is connected to the projection host, and the other end of the heat pipe extends to the outside to dissipate heat together with the metal casing, so as to increase the heat dissipation amount.

As shown in fig. 2, in some embodiments, the heat dissipation structure 130 includes a plurality of heat dissipation fins 131, and the heat dissipation fins 131 have a simple structure and a large surface area, so as to increase a heat dissipation area and increase a heat dissipation speed.

In some embodiments, the heat dissipation structure 130 includes a fan 132, and an air outlet of the fan 132 faces the heat dissipation fin 131 to increase the heat dissipation speed.

In some embodiments, the fan 132 is installed at the port of the end of the heat pipe extending outside, so as to increase the heat dissipation speed and the heat dissipation effect; in some embodiments, a heat dissipation channel is formed between two adjacent heat dissipation fins, and the fan 132 can be installed at the end of the heat dissipation channel to increase the heat dissipation speed and the heat dissipation effect; the fan 132 may be mounted on the surface of any of the heat dissipating fins to increase the heat dissipating speed and the heat dissipating effect.

In some embodiments, the housing 100 includes a bottom case 140 having an opening at one end, and a cover 150, wherein the cavity 110 is disposed in the bottom case 140, and the cover 150 is connected to the bottom case 140 to cover the opening to prevent dust from falling into the housing 100, and the opening is used to facilitate installation of the projection host.

In some embodiments, the housing 100 is provided with a mounting slot 160 for mounting a camera, and the mounting slot 160 facilitates mounting of a camera or an infrared lamp for projection interaction.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A projector, characterized by comprising:

the shell (100), the material of the shell (100) is metal, and a cavity (110) is arranged in the shell (100);

the projection host is arranged in the cavity (110) and is in contact with the inner wall of the shell (100).

2. The projector according to claim 1, wherein: the projection host comprises an optical component (200) and a circuit board electrically connected with the optical component (200), wherein the optical component (200) and the circuit board are respectively contacted with the inner wall of the shell (100).

3. The projector according to claim 2, wherein: still include light-transmitting board (400), be equipped with on casing (100) and communicate respectively appearance chamber (110) and external logical unthreaded hole (120), the projection end of optical component (200) with logical unthreaded hole (120) butt joint, light-transmitting board (400) with casing (100) are connected in order to shutoff logical unthreaded hole (120).

4. The projector according to claim 1, wherein: the shell (100) is provided with a heat dissipation structure (130).

5. The projector according to claim 4, wherein: the heat dissipation structure includes a plurality of heat dissipation fins (131).

6. The projector according to claim 5, wherein: the heat dissipation structure (130) comprises a fan (132), and an air outlet of the fan (132) faces the heat dissipation fin (131).

7. The projector according to claim 1, wherein: the shell (100) comprises a bottom shell (140) with an opening at one end and a sealing cover (150), wherein the sealing cover (150) is connected with the bottom shell (140) to shield the opening.

8. The projector according to claim 1, wherein: the shell (100) is provided with a mounting groove (160) for mounting a camera.