CN214278599U

CN214278599U - Projector with double light sources and double light tubes

Info

Publication number: CN214278599U
Application number: CN202120039528.5U
Authority: CN
Inventors: 李达明
Original assignee: Shenzhen Siying Technology Co ltd
Current assignee: Shenzhen Siying Technology Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-09-24
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a two projectors of a light section of thick bamboo of light source relates to projector technical field, which comprises an outer shell, the inside bottom of shell is provided with heat radiation fins, the inside of shell just is located heat radiation fins and has back Fresnel lens directly over the block, and the bottom both ends of back Fresnel lens install first light section of thick bamboo and second light section of thick bamboo respectively, heat radiation fins's top just is located first light section of thick bamboo and second light section of thick bamboo and all installs the LED lamp source under. The utility model discloses a first light section of thick bamboo and second light section of thick bamboo isotructure have been set up, start the LED lamp source under first light section of thick bamboo and the second light section of thick bamboo respectively when using, make it shine through first light section of thick bamboo and second light section of thick bamboo and take the TFT screen, make the light source more even, the condition that the four corners is dark all around reduces, solve the four corners shadow condition, can also promote light section of thick bamboo figure to four groups or nine groups, thereby it is more even to make the light source beat the light source on the TFT screen, thereby thoroughly solved the four corners shadow condition.

Description

Projector with double light sources and double light tubes

Technical Field

The utility model relates to a projector technical field specifically is a projector of two light sources double optical tubes.

Background

A projector is a display device for generating images anytime and anywhere. In particular, a small projector, which is a representative of a device with high integration level, has the characteristics of small volume, high spatial integration level, and large power consumption. Meanwhile, with the improvement of the technology, new requirements are put forward on the effect, the volume and the like of the projector. The high integration of devices such as a chip set and the like and the limitation of the volume of equipment pose a higher challenge to the heat dissipation of the equipment, and because electronic components in the projector are sensitive to temperature, in order to ensure the normal operation of the electronic components, the environmental temperature in the laser projector needs to be controlled within a certain range. Therefore, in order to ensure the projector can work normally, the heat generating components inside the laser projector need to be effectively dissipated.

The luminous light source of present projector all is single light source single light section of thick bamboo light emitting structure, because the light source all is that middle light source luminance is high, and the edge is dark, though there is the leaded light module, still has the dark condition of four corners light source easily, and the four corners shadow condition will appear in the display effect that the projector projection was come like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve among the prior art because the light source all is that middle light source luminance is high, and the edge is dark, though there is the leaded light module, still exist the dark condition of four corners light source easily, the problem of the dark shadow condition of four corners will appear in the display effect that the projector projection came out like this provides a projector of two light sources, a two light tubes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projector of two light sources, includes the shell, the inside bottom of shell is provided with heat radiation fins, the inside of shell just is located heat radiation fins and has a back Fresnel lens directly over the block, and first light section of thick bamboo and second light section of thick bamboo are installed respectively to the bottom both ends of back Fresnel lens, heat radiation fins's top just is located first light section of thick bamboo and second light section of thick bamboo all installs the LED lamp source under.

Preferably, the inside of shell just is located the rear Fresnel lens and installs TFT screen and preceding Fresnel lens in proper order directly over, and TFT screen, preceding Fresnel lens all mutually support with first light section of thick bamboo and second light section of thick bamboo.

Preferably, the top inclined plane department of shell is provided with the leaded light piece mounting groove, and the shell installs the leaded light piece through the leaded light piece mounting groove.

Preferably, one side of the shell is provided with a rotary adjusting seat matched with the front Fresnel lens, and the front end of the top of the shell is provided with a focusing lens matched with the shell.

Preferably, a first electric fan which is arranged in parallel with the heat dissipation fins is installed on one side of the bottom end inside the shell, a second electric fan which is matched with the LED lamp source is installed at one end of the tops of the heat dissipation fins, and two groups of symmetrical third electric fans are installed at the front end of the shell.

Preferably, a protective cover is arranged at the rear end of the shell, first ventilation holes are formed in the bottom ends of the two sides of the shell, and second ventilation holes matched with the first electric fan are formed in the bottom end of one side of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first light section of thick bamboo and second light section of thick bamboo isotructure have been set up, start the LED lamp source under first light section of thick bamboo and the second light section of thick bamboo respectively when using, make it shine through first light section of thick bamboo and second light section of thick bamboo and take the TFT screen, make the light source more even, the condition that the four corners is dark all around reduces, solve the four corners shadow condition, can also promote light section of thick bamboo figure to four groups or nine groups, thereby it is more even to make the light source beat the light source on the TFT screen, thereby thoroughly solved the four corners shadow condition.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of a first viewing angle structure of the present invention;

fig. 3 is a schematic view of a second view structure according to the present invention.

In the figure: 1. a housing; 2. an LED light source; 3. heat dissipation fins; 4. a first light cylinder; 5. a second light cylinder; 6. a first electric fan; 7. a second electric fan; 8. a third electric fan; 9. a rear Fresnel lens; 10. a TFT screen; 11. a front Fresnel lens; 12. a first vent hole; 13. rotating the adjusting seat; 14. a focus lens; 15. a protective cover; 16. a second vent hole; 17. light guide plate mounting groove.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a dual light source and dual light tube projector includes a housing 1, a heat sink fin 3 is disposed at the bottom end of the housing 1, a rear fresnel lens 9 is clamped in the housing 1 and located right above the heat sink fin 3, a first light tube 4 and a second light tube 5 are respectively mounted at two ends of the bottom of the rear fresnel lens 9, and LED light sources 2 are mounted at the top of the heat sink fin 3 and located right below the first light tube 4 and the second light tube 5.

Please refer to fig. 1-3, the TFT screen 10 and the front fresnel lens 11 are sequentially installed inside the housing 1 and right above the rear fresnel lens 9, and the TFT screen 10 and the front fresnel lens 11 are both matched with the first light tube 4 and the second light tube 5.

Please refer to fig. 1-3, the top slope of the housing 1 is provided with a light guiding plate mounting groove 17, and the housing 1 is provided with a light guiding plate through the light guiding plate mounting groove 17.

Please refer to fig. 1-3, a rotary adjusting seat 13 is installed on one side of the housing 1 and is matched with the front fresnel lens 11, and a focusing lens 14 is installed on the front end of the top of the housing 1 and is matched with the front fresnel lens.

Please refer to fig. 1-3, the first electric fan 6 arranged side by side with the heat dissipation fins 3 is installed at one side of the bottom end inside the housing 1, the second electric fan 7 matched with the LED light source 2 is installed at one end of the top of the heat dissipation fins 3, and the two sets of symmetrical third electric fans 8 are installed at the front end of the housing 1.

Please refer to fig. 1-3, the rear end of the housing 1 is provided with a protective cover 15, the bottom ends of the two sides of the housing 1 are provided with first ventilation holes 12, and the bottom end of one side of the housing 1 is provided with second ventilation holes 16 cooperating with the first electric fan 6.

The working principle is as follows: when the LED lamp is used, the LED lamp source 2 matched with the first light cylinder 4 and the second light cylinder 5 is started to supplement light, then the first light cylinder 4 and the second light cylinder 5 are utilized to project the light source into the rear Fresnel lens 9, then the light source sequentially passes through the TFT screen 10 and the front Fresnel lens 11, and then the light source enters the light guide sheet and is refracted into the focusing lens 14 to be projected through the light guide sheet, in the process, the LED lamp source 2 works to generate larger heat, and at the moment, the first electric fan 6, the second electric fan 7 and the third electric fan 8 are started, so that the first electric fan 6, the second electric fan 7 and the third electric fan 8 are matched with each other, heat can be effectively dissipated, the heat is discharged from the first ventilation hole 12 and the second ventilation hole 16, the working efficiency is greatly improved, and electric elements are protected; in the using process, the front Fresnel lens 11 can be subjected to angle adjustment by using the rotary adjusting seat 13 to reach a proper angle; the double groups of the first light tube 4 and the second light tube 5 can be changed into four groups or nine groups in design, so that the light source of the light source on the TFT screen 10 is more uniform, and the shadow condition of four corners is thoroughly solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A double-light source and double-light tube projector comprises a shell (1), and is characterized in that: the LED lamp is characterized in that the bottom end of the inner portion of the shell (1) is provided with heat dissipation fins (3), the inner portion of the shell (1) is clamped with a rear Fresnel lens (9) right above the heat dissipation fins (3), two ends of the bottom of the rear Fresnel lens (9) are provided with a first light tube (4) and a second light tube (5) respectively, and LED lamp sources (2) are arranged at the top of the heat dissipation fins (3) and right below the first light tube (4) and the second light tube (5).

2. A dual light source and dual light cylinder projector as claimed in claim 1, wherein: TFT screen (10) and preceding Fresnel lens (11) are installed in proper order directly over the inside and that are located back Fresnel lens (9) of shell (1), and TFT screen (10), preceding Fresnel lens (11) all mutually support with first light section of thick bamboo (4) and second light section of thick bamboo (5).

3. A dual light source and dual light cylinder projector as claimed in claim 1, wherein: the top inclined plane department of shell (1) is provided with leaded light piece mounting groove (17), and shell (1) installs the leaded light piece through leaded light piece mounting groove (17).

4. A dual light source and dual light cylinder projector as claimed in claim 2, wherein: one side of the shell (1) is provided with a rotary adjusting seat (13) which is matched with the front Fresnel lens (11), and the front end of the top of the shell (1) is provided with a focusing lens (14) which is matched with the shell.

5. A dual light source and dual light cylinder projector as claimed in claim 1, wherein: the LED lamp is characterized in that a first electric fan (6) which is arranged side by side with the heat dissipation fins (3) is installed on one side of the bottom end in the shell (1), a second electric fan (7) which is matched with the LED lamp source (2) is installed at one end of the top of each heat dissipation fin (3), and two groups of symmetrical third electric fans (8) are installed at the front end of the shell (1).

6. The dual light source and dual light cylinder projector as claimed in claim 5, wherein: the rear end of the shell (1) is provided with a protective cover (15), the bottom ends of the two sides of the shell (1) are provided with first ventilation holes (12), and the bottom end of one side of the shell (1) is provided with second ventilation holes (16) matched with the first electric fan (6).