CN211979402U

CN211979402U - Vertical projector

Info

Publication number: CN211979402U
Application number: CN202021081837.0U
Authority: CN
Inventors: 徐宝山; 刘雄辉
Original assignee: Guangzhou Rigal Electronics Co ltd
Current assignee: Guangzhou Rigal Electronics Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-11-20
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a vertical projector, which comprises a light source with a light-emitting surface facing upwards and an imaging component with an optical path plane vertical to a placing plane, wherein the imaging component is positioned above the light source; the imaging component is characterized by further comprising a first radiator, a heat conduction pipe, a second radiator and a cooling fan, wherein the first radiator is arranged on the back face of the light source, the second radiator is arranged on the side face of the imaging component, the heat conduction pipe is connected between the first radiator and the second radiator, and the cooling fan is arranged on the side face of the second radiator. The vertical projector has a good heat dissipation effect.

Description

Vertical projector

Technical Field

The utility model relates to a projection technology especially relates to a vertical projector.

Background

The single-chip LCD projector is divided into a horizontal projector and a vertical projector, wherein an optical path plane inside the horizontal projector is parallel to a placement plane (horizontal plane), and an optical path plane inside the vertical projector is perpendicular to the placement plane (horizontal plane).

Because the optical path plane inside the vertical projector is perpendicular to the placing plane, the LED light source is positioned at the bottom of the vertical projector, and the heat productivity of the LED light source is concentrated on the back surface of the vertical projector, when the position of the heat dissipation fan is designed, if the heat dissipation fan is placed on the side surface of the LED light source, the distance between the heat dissipation fan and the back surface of the LED light source is far, the heat dissipation effect is greatly reduced, if the heat dissipation fan is placed on the back surface of the LED light source, the air outlet of the heat dissipation fan can be blocked by a desktop of the vertical projector, the ventilation effect is poor, and the heat dissipation effect is also influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a vertical projector has good heat dissipation effect.

The utility model discloses the technical problem that will solve realizes through following technical scheme:

a vertical projector comprises a light source with a light emitting surface facing upwards and an imaging component with an optical path plane perpendicular to a placing plane, wherein the imaging component is positioned above the light source; the imaging component is characterized by further comprising a first radiator, a heat conduction pipe, a second radiator and a cooling fan, wherein the first radiator is arranged on the back face of the light source, the second radiator is arranged on the side face of the imaging component, the heat conduction pipe is connected between the first radiator and the second radiator, and the cooling fan is arranged on the side face of the second radiator.

Further, the imaging assembly comprises an LCD screen, a reflector plate and an imaging lens, the LCD screen and the reflector plate are sequentially arranged right above the light source, the LCD screen is arranged in the incident direction of the reflector plate, and the imaging lens is arranged in the emergent direction of the reflector plate.

Further, the imaging assembly further comprises a collimating lens, and the collimating lens is located between the light source and the LCD screen.

Further, the imaging assembly further comprises a focusing lens, and the focusing lens is located between the LCD screen and the reflecting mirror.

Further, the imaging assembly further comprises a light funnel, and a light inlet of the light funnel is fixed on the light emitting surface of the light source.

Furthermore, a heat insulation sheet is fixed on a light outlet of the light funnel.

The cooling fan further comprises an assembly shell, wherein the assembly shell is provided with an air outlet corresponding to the cooling fan and an air inlet communicated with the air outlet.

Further, the assembly housing has a first assembly cavity in which the light source and the imaging assembly are assembled, and a second assembly cavity in which the second heat sink and the heat dissipation fan are assembled.

Furthermore, the air inlet is communicated with a first air inlet channel and a second air inlet channel, the first air inlet channel is communicated with the gap on one side of the LCD screen, and the second air inlet channel is communicated with the gap on the other side of the LCD screen.

Further, the light source is an LED light source.

The utility model discloses following beneficial effect has: this vertical projector is through setting up first radiator, heat pipe, second radiator and radiator fan, will first radiator set up in on the back of light source, it is right the back that calorific capacity is the most concentrated on the light source absorbs heat, then passes through the absorbed heat the second radiator on the heat pipe transmission side, so that radiator fan is right from the side the second radiator dispels the heat, like this, on this vertical projector with the air outlet that radiator fan corresponds just can be seted up on the side, just can not place this vertical projector's desktop and block, and ventilation effect is good, and the radiating effect is good.

Drawings

Fig. 1 is a schematic view of a vertical projector according to the present invention;

fig. 2 is an external schematic view of a vertical projector according to the present invention;

fig. 3 is an internal schematic view of a vertical projector provided by the present invention;

fig. 4 is an air intake path diagram of the vertical projector provided by the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1, a vertical projector includes a light source 1 whose light emitting surface faces upward, and an imaging element whose optical path plane (plane on which a light propagation path is located) is perpendicular to a placement plane (horizontal plane), the imaging element being located above the light source 1; the imaging component is characterized by further comprising a first radiator 10, a heat conduction pipe 11, a second radiator 12 and a heat radiation fan 13, wherein the first radiator 10 is arranged on the back face of the light source 1, the second radiator 12 is arranged on the side face of the imaging component, the heat conduction pipe 11 is connected between the first radiator 10 and the second radiator 12, and the heat radiation fan 13 is arranged on the side face of the second radiator 12.

According to the vertical projector, the first radiator 10 is arranged on the back surface of the light source 1 through the arrangement of the first radiator 10, the heat conduction pipe 11, the second radiator 12 and the heat dissipation fan 13, the back surface with the most concentrated heat productivity on the light source 1 absorbs heat, and then the absorbed heat is transmitted to the second radiator 12 on the side surface through the heat conduction pipe 11, so that the second radiator 12 is radiated by the heat dissipation fan 13 from the side surface, in such a way, the air outlet 92 corresponding to the heat dissipation fan 13 on the vertical projector can be arranged on the side surface, the vertical projector cannot be blocked by a desktop, the ventilation effect is good, and the heat dissipation effect is good.

The first heat sink 10 is preferably, but not limited to, an aluminum block or sheet; the heat conduction pipes 11 are preferably, but not limited to, copper heat conduction pipes, and the number of the heat conduction pipes is two; the second heat sink 12 is preferably, but not limited to, a heat sink fin.

As shown in fig. 2-4, the vertical projector further includes an assembly housing 9, and the assembly housing 9 is provided with an air outlet 92 corresponding to the heat dissipation fan 13, an air inlet communicated with the air outlet 92, and a lens opening; preferably, a dust-proof net is arranged at the air inlet.

The assembling shell 9 is provided with a first assembling cavity and a second assembling cavity, the light source 1 and the imaging component are assembled in the first assembling cavity, and the back surface of the light source 1 is exposed out of the first assembling cavity; the second heat sink 12 and the heat dissipation fan 13 are assembled in the second assembly cavity, and the bottom of the second heat sink 12 is exposed out of the second assembly cavity; the first heat sink 10 contacts the back surface of the light source 1 outside the first assembly chamber, and the heat pipe 11 connects the first heat sink 10 and the second heat sink 12 outside the first assembly chamber and the second assembly chamber.

The air inlet 91 and the lens opening are arranged on the first assembly cavity, the air outlet 92 is arranged on the second assembly cavity, and the first assembly cavity is communicated with the second assembly cavity.

The imaging assembly sequentially comprises a light funnel 2, a collimating lens 4, an LCD screen 5, a focusing lens 6, a reflecting lens 7 and an imaging lens 8 along a light propagation path, the light funnel 2, the collimating lens 4, the LCD screen 5, the focusing lens 6 and the reflecting lens 7 are sequentially arranged right above the light source 1, the light funnel 2, the collimating lens 4, the LCD screen 5 and the focusing lens 6 are arranged in the incident direction of the reflecting lens 7, and the imaging lens 8 is arranged in the emergent direction of the reflecting lens 7; the light inlet of the light funnel 2 is bonded and fixed on the light emitting surface of the light source 1, and the imaging lens 8 is assembled on the lens opening.

Light rays emitted by the light source 1 are uniformly emitted after being reflected for multiple times inside the light funnel 2, form collimated light rays after passing through the collimating lens 4, form imaging light rays after passing through the LCD screen 5, and finally are focused by the focusing lens 6 and reflected by the reflecting lens 7 for 90 degrees, and are projected and imaged outwards by the imaging lens 8.

Preferably, a heat insulating sheet 3 is bonded and fixed to the light outlet of the light funnel 2.

The air inlet is communicated with a first air inlet channel 93 and a second air inlet channel 94, the first air inlet channel 93 is communicated with a gap on one side (between the LCD screen 5 and the light funnel 2), and the second air inlet channel 94 is communicated with a gap on the other side (between the LCD screen 5 and the focusing lens 6) of the LCD screen 5.

The first air intake channel 93 and the second air intake channel 94 may share one air intake 91, or may respectively use one air intake 91 separately.

The light source 1 is preferably, but not limited to, an LED light source.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but the invention can not be understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by adopting the equivalent substitution or equivalent transformation should fall within the protection scope of the present invention.

Claims

1. A vertical projector comprises a light source with a light emitting surface facing upwards and an imaging component with an optical path plane perpendicular to a placing plane, wherein the imaging component is positioned above the light source; the imaging component is characterized by further comprising a first radiator, a heat conduction pipe, a second radiator and a cooling fan, wherein the first radiator is arranged on the back face of the light source, the second radiator is arranged on the side face of the imaging component, the heat conduction pipe is connected between the first radiator and the second radiator, and the cooling fan is arranged on the side face of the second radiator.

2. The vertical projector according to claim 1, wherein the imaging assembly comprises an LCD screen, a reflector and an imaging lens, the LCD screen and the reflector are sequentially disposed right above the light source, the LCD screen is disposed in the incident direction of the reflector, and the imaging lens is disposed in the emergent direction of the reflector.

3. The vertical projector as claimed in claim 2 wherein the imaging assembly further comprises a collimating lens positioned between the light source and the LCD screen.

4. The vertical projector as claimed in claim 2 wherein the imaging assembly further comprises a focusing lens positioned between the LCD screen and the mirror plate.

5. The vertical projector as claimed in any one of claims 1 to 4, wherein the imaging assembly further comprises a light funnel, and a light inlet of the light funnel is fixed on a light emitting surface of the light source.

6. The vertical projector as claimed in claim 5, wherein a heat insulating sheet is fixed to the light outlet of the light funnel.

7. The vertical projector as claimed in claim 5, further comprising an assembly housing, wherein the assembly housing is provided with an air outlet corresponding to the heat dissipation fan and an air inlet communicated with the air outlet.

8. The vertical projector as claimed in claim 7, wherein the mounting case has a first mounting cavity in which the light source and the imaging module are mounted and a second mounting cavity in which the second heat sink and the heat dissipation fan are mounted.

9. The vertical projector as claimed in claim 7, wherein the air inlet is connected to a first air inlet channel and a second air inlet channel, the first air inlet channel is connected to the gap on one side of the LCD screen, and the second air inlet channel is connected to the gap on the other side of the LCD screen.

10. The vertical projector according to any one of claims 1 to 4 and 6, further comprising an assembly housing, wherein the assembly housing is provided with an air outlet corresponding to the heat dissipation fan and an air inlet communicated with the air outlet.

11. The vertical projector as claimed in claim 10, wherein the mounting case has a first mounting cavity in which the light source and the imaging module are mounted and a second mounting cavity in which the second heat sink and the heat dissipation fan are mounted.

12. The vertical projector as claimed in claim 10, wherein the air inlet is connected to a first air inlet channel and a second air inlet channel, the first air inlet channel is connected to the gap on one side of the LCD panel, and the second air inlet channel is connected to the gap on the other side of the LCD panel.

13. The vertical projector as claimed in claim 1, wherein the light source is an LED light source.