CN218213744U

CN218213744U - Projector apparatus

Info

Publication number: CN218213744U
Application number: CN202121082091.XU
Authority: CN
Inventors: 李志�; 金凌琳; 雷钧杰; 邱昌盛
Original assignee: Dangqu Network Technology Hangzhou Co Ltd
Current assignee: Dangqu Network Technology Hangzhou Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2023-01-03
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a projector, include: the outer frame surrounds to form an accommodating space; the bottom shell is installed at the bottom of the accommodating space and provided with a wind wheel installation cavity, an air outlet communicated with the wind wheel installation cavity is formed in the rear side of the bottom shell, and an air inlet communicated with the wind wheel installation cavity is formed in the top side of the bottom shell; the wind wheel is installed in the wind wheel installation cavity, the air inlet side of the wind wheel faces the air inlet, and the air outlet side of the wind wheel faces the air outlet. The projector wind wheel of the utility model is relatively independently arranged on the bottom shell, thereby avoiding the mutual obstruction with the optical-mechanical assembly and simultaneously ensuring the air flow drive of each position of the accommodating space so as to improve the heat dissipation effect; when assembling the projector, can install the wind wheel in the drain pan earlier, use the drain pan to install other parts such as ray apparatus subassembly as the basis again to make the drain pan can form sufficient support location to the ray apparatus subassembly, and the installation of wind wheel and ray apparatus subassembly can not influence each other, can effectively reduce the assembly degree of difficulty of projector from this, improve assembly efficiency.

Description

Projector with a light source

Technical Field

The utility model relates to a projection equipment technical field, in particular to projecting apparatus.

Background

In the related art, when a projector is assembled, an optical mechanical assembly is usually installed first, and then components such as a heat dissipation wind wheel and a loudspeaker are installed by taking the optical mechanical assembly as a center, so that the optical mechanical assembly needs to be kept positioned in the assembling process, which causes high assembling difficulty and low assembling efficiency; in addition, the mounting structure using the optical-mechanical assembly as a center can cause the internal heat dissipation space of the projector to be smaller, and the heat dissipation effect of the optical-mechanical assembly is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projector, aim at solving the technical problem who how to improve projector assembly efficiency and radiating effect.

In order to achieve the above object, the present invention provides a projector including:

the outer frame encloses to form an accommodating space;

the bottom shell is mounted at the bottom of the accommodating space and provided with a wind wheel mounting cavity, an air outlet communicated with the wind wheel mounting cavity is formed in the rear side of the bottom shell, and an air inlet communicated with the wind wheel mounting cavity is formed in the top side of the bottom shell;

the wind wheel is installed in the wind wheel installation cavity, the air inlet side of the wind wheel faces the air inlet, and the air outlet side of the wind wheel faces the air outlet.

Optionally, the projector further includes a first heat sink installed in the accommodating space, and the first heat sink is opposite to the air outlet.

Optionally, the projector further includes an optical mechanical assembly and a heat exchanger installed in the accommodating space, the optical mechanical assembly and the heat exchanger are installed on the top side of the bottom case, and the heat exchanger abuts against the heating area of the optical mechanical assembly.

Optionally, the heat exchanger and the first heat sink are connected by a heat conducting pipe.

Optionally, the projector further includes a bracket installed in the accommodating space, and the bracket is covered on the optical-mechanical assembly and connected to the bottom case, so as to press and fix the optical-mechanical assembly to the bottom case.

Optionally, the bottom shell is provided with a positioning groove, the support is convexly provided with a positioning column matched with the positioning groove, and the positioning column is inserted into the positioning groove.

Optionally, an installation space is formed between the support and the bottom case, the optical-mechanical assembly is installed in the installation space, a avoiding groove is formed in one of the left side wall or the right side wall of the support, the avoiding groove is communicated with the installation space, the projector further comprises a main control board and a second radiator, the main control board is installed at the top of the support, the second radiator is installed in the avoiding groove, and the main control board is connected with the second radiator through a heat conducting strip.

Optionally, the other of the left side wall or the right side wall of the bracket is provided with a mounting groove, the mounting groove is communicated with the mounting space, the projector further comprises a fan mounted on the mounting groove, and the air outlet side of the fan faces the mounting space.

Optionally, the frame set up with keep away the through-hole of a groove intercommunication, the projecting apparatus is still including installing in the decorative board of frame outer wall face, in order to cover the through-hole, the decorative board with the frame can be dismantled the cooperation.

Optionally, a receiving groove is formed in a left side wall and/or a right side wall of the bottom case, and the projector further includes an audio player installed in the receiving groove.

The utility model discloses the projector installs the wind wheel in the wind wheel installation cavity of drain pan to make the air intake of wind wheel installation cavity up, the air outlet is backward, thus the wind wheel can inhale the heat and discharge backward from the bottom in accommodation space, because the wind wheel is installed in the drain pan relatively independently, therefore can avoid hindering each other with the ray apparatus subassembly, guarantee the air current drive to each position in accommodation space simultaneously, in order to improve the radiating effect; in addition, when the projector is assembled, the wind wheel can be installed on the bottom shell, and other components such as the optical machine assembly are installed on the basis of the bottom shell, so that the bottom shell can form enough supporting and positioning for the optical machine assembly, the installation processes of the wind wheel and the optical machine assembly can not affect each other, the assembling difficulty of the projector can be effectively reduced, and the assembling efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of a projector according to an embodiment of the present invention;

fig. 2 is an exploded view of another embodiment of the projector of the present invention;

fig. 3 is an exploded view of a projector according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of the intermediate optical module according to the present invention;

fig. 5 is a schematic structural diagram of an embodiment of the middle bracket and the bottom case of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)	Reference numerals	Name (R)
						10	Outer frame	11	Accommodation space	20	Bottom shell
21	Wind wheel mounting cavity	30	First radiator	40	Optical-mechanical assembly
						50	Heat exchanger	51	Heat conduction pipe	60	Support frame
22	Locating slot	61	Positioning column	62	Avoiding groove
						70	Main control board	80	Second radiator	81	Heat conducting strip
90	Fan (Ref. TM. Fan)	12	Through hole	100	Decorative board
						110	Audio player

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one of the feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a projector is the equipment that can project image or video on curtain or wall paper, and it can be connected with electronic equipment such as computer, cell-phone, DVD, game machine in order to broadcast corresponding video signal through the interface of difference.

In an embodiment of the present invention, as shown in fig. 1 to 5, the projector includes: the outer frame 10, the said outer frame 10 encloses and forms the accommodating space 11; the bottom shell 20 is installed at the bottom of the accommodating space 11, the bottom shell 20 is provided with a wind wheel installation cavity 21, an air outlet communicated with the wind wheel installation cavity 21 is formed in the rear side of the bottom shell 20, and an air inlet communicated with the wind wheel installation cavity 21 is formed in the top side of the bottom shell 20; the wind wheel, install in wind wheel installation cavity 21, the air inlet side orientation of wind wheel the air intake, the air-out side orientation of wind wheel the air outlet.

The outer frame 10 may include a skirt, a bottom plate, and a top plate, or may include only a skirt, without limitation. The shape of the outer frame 10 may be a square or a circle, which is not limited herein. The bottom case 20 is shaped to fit the outer frame 10, so as to improve the space utilization of the bottom case 20 in the outer frame 10. The wind wheel mounting cavity 21 is used for mounting a wind wheel so as to drive and discharge hot air flow above the bottom shell 20 to the rear of the bottom shell 20. The wind wheel can be a centrifugal wind wheel, namely, axial wind inlet and radial wind outlet are realized, so that the driving efficiency of the airflow is improved. Because the wind wheel is installed on the bottom shell 20, the obstruction caused when the optical mechanical assembly 40 is installed can be avoided, and the bottom shell 20 can also provide effective support for the installation of the optical mechanical assembly 40.

The utility model discloses the projector installs the wind wheel in the wind wheel installation cavity 21 of drain pan 20 to make the air intake of wind wheel installation cavity 21 up, the air outlet backward, thus the wind wheel can inhale the heat and backward discharge from the bottom of accommodation space 11, because the wind wheel is installed in drain pan 20 relatively independently, therefore can avoid hindering each other with ray apparatus assembly 40, guarantee to the air current drive of each position of accommodation space 11 simultaneously, in order to improve the radiating effect; in addition, when assembling the projector, can install the wind wheel in drain pan 20 earlier, take drain pan 20 to install other parts such as ray apparatus subassembly 40 as the basis again to make drain pan 20 can form sufficient support location to ray apparatus subassembly 40, and the installation of wind wheel and ray apparatus subassembly 40 can not influence each other, can effectively reduce the assembly degree of difficulty of projector from this, improve assembly efficiency.

In an embodiment, as shown in fig. 2, the projector further includes a first heat sink 30 installed in the accommodating space 11, and the first heat sink 30 is opposite to the air outlet. The first heat sink 30 is also mounted at the bottom of the receiving space 11, and the first heat sink 30 is mounted at the rear side of the bottom case 20. The first heat sink 30 is used to cooperate with the wind wheel to improve the heat dissipation efficiency. For example, the first heat sink 30 includes a plurality of heat dissipating fins, and heat can be driven by the wind wheel to blow to the plurality of heat dissipating fins, so as to improve heat exchange efficiency with external air; of course, the heat dissipation fins can also be used for concentrating the heat inside the projector, and after the airflow of the wind wheel blows to the heat dissipation fins, the heat of the heat dissipation fins can be brought to the outside air. By providing the first heat sink 30, the heat dissipation effect and the heat dissipation efficiency of the projector can be further improved.

In an embodiment, as shown in fig. 1 and 4, the projector further includes an optical-mechanical assembly 40 and a heat exchanger 50 mounted in the accommodating space 11, the optical-mechanical assembly 40 and the heat exchanger 50 are mounted on a top side of the bottom housing 20, and the heat exchanger 50 abuts against a heat generating area of the optical-mechanical assembly 40. The optical engine assembly 40 is used to project images and is a main functional component of the projector and a main source of heat. The heat exchanger 50 is used for absorbing heat in the heat generating area of the optical mechanical assembly 40 and then dissipating the heat through air flow driven by the air wheels. It is understood that a plurality of fins may be provided on the heat exchanger 50 to increase the upper limit of heat absorption. The ray apparatus subassembly 40 is bulky, and the region that generates heat is also more, therefore the quantity of heat exchanger 50 can set up to a plurality ofly, and each heat exchanger 50 corresponds each region that generates heat of butt in ray apparatus subassembly 40 to improve the whole radiating effect to ray apparatus subassembly 40.

Specifically, as shown in fig. 4, the heat exchanger 50 and the first radiator 30 are connected by heat transfer pipes 51. The heat exchanger 50 can transfer a part of the absorbed heat to the first heat sink 30 through the heat pipe 51, and then the air flow generated by the wind wheel can blow away the heat concentrated on the first heat sink 30 to the outside of the outer frame 10. Therefore, the wind wheel, the heat exchanger 50 and the first radiator 30 can be matched to improve the heat dissipation efficiency of the optical-mechanical assembly 40. The heat conductive pipe 51 may be provided as a copper pipe to improve heat conductive efficiency. The heat conductive pipe 51 may connect the first heat sink 30 and the plurality of heat exchangers 50 in series to make the internal structure of the projector more simple and compact.

In an embodiment, as shown in fig. 1 to fig. 5, the projector further includes a bracket 60 installed in the accommodating space 11, and the bracket 60 covers the optical-mechanical assembly 40 and is connected to the bottom housing 20, so as to press and fix the optical-mechanical assembly 40 to the bottom housing 20. The carriage 60 and the bottom case 20 wrap the optical-mechanical assembly 40, so as to protect the optical-mechanical assembly 40 and reduce the influence of external force on the optical-mechanical assembly 40. The connection mode of the bracket 60 and the bottom case 20 may be a snap connection, or an insertion connection, which is not limited herein. When assembling the projector, the optical mechanical assembly 40 can be installed on the top of the bottom case 20, and then the optical mechanical assembly 40 is covered on the support 60 and connected to the bottom case 20, so that the installation difficulty of the optical mechanical assembly 40 and the support 60 can be reduced, and the installation efficiency can be improved.

Specifically, as shown in fig. 5, the bottom shell 20 is provided with a positioning groove 22, the support 60 is convexly provided with a positioning column 61 adapted to the positioning groove 22, and the positioning column 61 is inserted into the positioning groove 22. The positioning slot 22 extends along the height direction of the bottom case 20, the positioning column 61 is convexly disposed at the bottom of the support 60, and the positioning column 61 is inserted into the positioning slot 22 to pre-fix the support 60 and the bottom case 20, and then reinforce the support 60 and the bottom case 20 by other methods. In practical application, a fixing hole is formed at the bottom of the positioning groove 22, the positioning column 61 is hollow, a through hole is formed at the bottom of the positioning column 61, and the through hole is connected with the fixing hole through a fastener, so that the support 60 is fixed to the bottom shell 20.

In an embodiment, as shown in fig. 3 and 5, an installation space is formed between the bracket 60 and the bottom case 20, the optical-mechanical assembly 40 is installed in the installation space, one of the left side wall or the right side wall of the bracket 60 is provided with a avoiding groove 62, the avoiding groove 62 is communicated with the installation space, the projector further includes a main control board 70 and a second heat sink 80, the main control board 70 is installed at the top of the bracket 60, the second heat sink 80 is installed in the avoiding groove 62, and the main control board 70 is connected with the second heat sink 80 through a heat conduction strip 81.

It can be understood that the air inlet of the wind wheel installation cavity 21 faces the installation space, and when the wind wheel works, the main driving is also the air flow in the installation space. The main control board 70 is used to transmit power and key commands to the optical-mechanical assembly 40, so that the user can control the operation of the projector. The main control board 70 also generates heat when the projector is in operation, and therefore heat dissipation is required through the second heat sink 80. The second heat sink 80 may have the same structure as the first heat sink 30, and the second heat sink 80 is mounted in the avoiding groove 62, so that the internal structure of the projector may be more compact. The heat generated by the main control board 70 is transferred to the second heat sink 80 through the heat conducting strip 81, and then is driven to the wind wheel installation cavity 21 by the airflow generated by the wind wheel, and finally is discharged from the air outlet. Therefore, the support 60 can support the main control board 70, and the heat dissipation of the main control board 70 can be realized. The heat conduction bars 81 may be provided as copper bars to improve heat conduction efficiency.

Specifically, as shown in fig. 2 and 5, the other of the left side wall or the right side wall of the bracket 60 is provided with a mounting groove, the mounting groove is communicated with the mounting space, the projector further comprises a fan 90 mounted on the mounting groove, and the air outlet side of the fan 90 faces the mounting space.

The fan 90 is used to blow the relatively low temperature air flow from the outside into the installation space, and can help cool the optical-mechanical assembly 40 and the heat exchanger 50 while increasing the air flow rate in the installation space. With the above-mentioned embodiment of the second heat sink 80, the mounting groove and the avoiding groove 62 enable the projector to realize a heat dissipation channel for left and right air intake and rear air outtake. The fan 90 and the second heat sink 80 may be assembled to the bracket 60 after the bracket 60 is mounted in place to reduce the difficulty of installation.

In an embodiment, as shown in fig. 5, a containing groove is formed on a left side wall and/or a right side wall of the bottom case 20, and the projector further includes an audio player 110 mounted in the containing groove. The audio player 110 is used for playing the audio of the projected content, and the audio player 110 is mounted on the bottom case 20, which not only can improve the utilization rate of the bottom case 20, but also can make the internal structure of the projector more compact. The left side wall and the right side wall of the bottom case 20 may be respectively provided with an accommodating groove for the two audio players 110 to be respectively installed, so as to realize the bidirectional sound output of the projector.

In an embodiment, as shown in fig. 1, the outer frame 10 is provided with a through hole 12 communicating with the avoiding groove 62, the projector further includes a decoration plate 100 mounted on an outer wall surface of the outer frame 10 to cover the through hole 12, and the decoration plate 100 is detachably engaged with the outer frame 10. The through holes 12 can be used for heat dissipation, and the number of the through holes 12 can be one or more; if the number of the through holes 12 is plural, the decorative plate 100 may be provided to cover the plural through holes 12. When the wind wheel is operated, external air flows into the installation space through the through holes 12 and the avoiding grooves 62, and dust also enters the installation space along with the air flows and accumulates on the second heat sink 80.

The decorative plate 100 may be a flat plate or a folded plate, which is not limited herein, and only needs to cover the through hole 12 with the decorative plate 100. When the through hole 12 is covered by the decorative plate 100, the through hole 12 can be hidden and protected, so that the internal structure of the projector is protected, the appearance integrity of the projector is improved, and the appearance of the projector is more attractive; when the through hole 12 is opened in the decorative plate 100, a user can clean the dust on the second heat sink 80 through the through hole 12 or directly clean the dust on the inner surface of the decorative plate 100, so as to reduce the accumulation of dust in the installation space, thereby reducing the influence of dust on the heat dissipation effect and the operation effect of the projector.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A projector, characterized by comprising:

the outer frame encloses to form an accommodating space;

the wind wheel, install in the wind wheel installation cavity, the air inlet side orientation of wind wheel the air intake, the air outlet side orientation of wind wheel the air outlet.

2. The projector of claim 1, further comprising a first heat sink mounted to the receiving space, the first heat sink being opposite the air outlet.

3. The projector according to claim 2, further comprising an optical-mechanical assembly and a heat exchanger mounted in the accommodating space, the optical-mechanical assembly and the heat exchanger being mounted on a top side of the bottom case, the heat exchanger abutting against a heat generating region of the optical-mechanical assembly.

4. The projector as defined in claim 3, wherein the heat exchanger is connected to the first heat sink by a heat conductive pipe.

5. The projector as claimed in claim 3, further comprising a bracket installed in the accommodating space, wherein the bracket covers the optical-mechanical assembly and is connected to the bottom housing to press and fix the optical-mechanical assembly to the bottom housing.

6. The projector as claimed in claim 5, wherein the bottom housing defines a positioning slot, the bracket defines a positioning post that is engaged with the positioning slot, and the positioning post is inserted into the positioning slot.

7. The projector according to claim 5, wherein an installation space is formed between the bracket and the bottom case, the optical-mechanical assembly is installed in the installation space, a avoiding groove is formed in one of a left side wall or a right side wall of the bracket, the avoiding groove is communicated with the installation space, the projector further comprises a main control board and a second radiator, the main control board is installed at the top of the bracket, the second radiator is installed in the avoiding groove, and the main control board is connected with the second radiator through a heat conducting strip.

8. The projector as claimed in claim 7, wherein the other of the left side wall or the right side wall of the bracket is provided with a mounting groove, the mounting groove is communicated with the mounting space, the projector further comprises a fan mounted in the mounting groove, and an air outlet side of the fan faces the mounting space.

9. The projector as claimed in claim 7, wherein the outer frame has a through hole communicating with the avoiding groove, the projector further comprises a decorative plate mounted on an outer wall surface of the outer frame to cover the through hole, and the decorative plate is detachably engaged with the outer frame.

10. The projector according to any of claims 1 to 9, wherein a receiving groove is formed on a left side wall and/or a right side wall of the bottom casing, and the projector further comprises an audio player mounted in the receiving groove.