CN212086359U

CN212086359U - Prevent portable wireless projecting apparatus of blue light eyeshield education

Info

Publication number: CN212086359U
Application number: CN202021153907.9U
Authority: CN
Inventors: 孔健; 蒋红日
Original assignee: Nanjing Goldlimon Electronic Technology Co ltd
Current assignee: Nanjing Goldlimon Electronic Technology Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2020-12-04
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a prevent portable wireless projector of blue light eyeshield education relates to the projecting apparatus field, for the inconvenient problem of adjusting the position that carries out of the current small-size projecting apparatus who solves among the prior art. The utility model discloses a projection device, including projecting apparatus casing, connecting plate, knob, connecting rod, slide bar, dead lever, protection casing, connecting plate, connecting axle, connecting rod, fixing rod, elastic body, the surface of dead lever is provided with the silica gel antiskid cover, the internally mounted of protection casing has projecting lens, the slipmat is all installed to the outside both sides of projecting apparatus casing.

Description

Prevent portable wireless projecting apparatus of blue light eyeshield education

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a prevent portable wireless projecting apparatus of blue light eyeshield education.

Background

The projector is a device which can project images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, has the basic principle that the appearance and the outline of a workpiece are enlarged by using an optical element and then projected onto a screen, can be used for measuring the outline by using transmitted light and can also be used for measuring the surface shape without a through hole by using reflected light, and is also commonly used for measuring complex outlines and tiny workpieces except for viewing, and is an educational conference type projector: generally, the LED lamp is positioned in schools and enterprises, the mainstream resolution is adopted, the brightness is about 2000-3000 lumen, the weight is moderate, the heat dissipation and dust prevention are better, the LED lamp is suitable for installation and short-distance movement, the functional interfaces are rich, the maintenance is easy, the cost performance is relatively higher, and the LED lamp is suitable for large-batch purchase, popularization and use.

The projector in the traditional use mode is connected with a computer through a VGA (video graphics array) line, so that multimedia contents in the computer can be displayed on a larger screen, various operations on the computer can be synchronously displayed on a curtain, the use is troublesome, each person who needs to use the projector needs to be connected through the line, the disassembly and the assembly are troublesome, the projector is smaller and smaller along with the progress of the times at present, the projector can be used through wireless connection, but the position of the existing small projector is inconvenient to adjust, and the use effect is general; therefore, the market urgently needs to develop a portable wireless projector for blue light prevention and eye protection education to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent portable wireless projector of blue light eyeshield education to solve the inconvenient problem of adjusting the position of the current small-size projector that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent portable wireless projecting apparatus of blue light eyeshield education, includes the projecting apparatus casing, the connecting plate is all installed to the both sides of projecting apparatus casing, the connecting axle is installed to one side of connecting plate, the connecting axle passes through the axle sleeve and is connected with the connecting plate rotation, the knob is installed to one side of connecting axle, the knob respectively with connecting plate and connecting axle threaded connection, the connecting rod is installed to one side of connecting axle, the slide bar is installed to the top of connecting rod, the dead lever is installed to the top of slide bar.

Preferably, the connecting rod is connected with the connecting shaft in a welding mode, a cavity is formed in the connecting rod, the sliding rod extends into the cavity and is connected with the connecting rod in a sliding mode, and a limiting block is arranged at the lower end of the sliding rod.

Preferably, the surface of connecting rod is provided with the through-hole, the through-hole is provided with four, the internally mounted of slide bar has the spring, spring and slide bar welded connection, just the elastomer is installed to one side of spring, the elastomer passes slide bar and through-hole and extends to the outside and the connecting rod block of connecting rod.

Preferably, the fixed rod is provided with two, the slide bars are provided with four, the two ends of the fixed rod are respectively welded with one ends of the two slide bars, and the outer surface of the fixed rod is provided with a silica gel anti-slip sleeve.

Preferably, the access panel is installed to the preceding terminal surface of projecting apparatus casing, the protection casing is installed to the preceding terminal surface of access panel, the internally mounted of protection casing has projection lens, the slipmat is all installed to the outside both sides of projecting apparatus casing, the slipmat is provided with four, four the slipmat all bonds with the projecting apparatus casing and is connected, the speaker hole is installed to one side of projecting apparatus casing, regulating switch is installed to one side in speaker hole.

Preferably, the internally mounted of projecting apparatus casing has the DLP circuit board, one side of DLP circuit board is installed and is stored chip, DMD chip and image controller, the lens of finishing is installed to one side of DMD chip, the colour wheel is installed to one side of finishing the lens, convergent lens is installed to one side of colour wheel, the high bright LED lamp source is installed to one side of convergent lens, high bright LED lamp source respectively with colour wheel and projecting lens fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model, through the arrangement of the connecting rod, when the position and the angle of the projector shell and the projection lens are required to be adjusted, the length of the sliding rod outside the connecting rod can be changed by pressing the elastic body and sliding the sliding rod, so that the height of the connecting rod can be adjusted, the length of the connecting rod and the sliding rod is adjusted according to the requirement, and the connecting rod and the sliding rod can be driven to rotate through the connecting shaft, thereby the angle of the fixing rods can be adjusted, after the angle of the two fixing rods is changed, the connecting shaft can be locked by the knob to keep the stability of the fixing rods and the projector shell integrally, can adjust at will, easy operation, convenient to use has effectively solved the inconvenient position of adjusting of small-size projecting apparatus, the general problem of result of use, and the practicality is strong, portable to and be applied to the operational environment of different scenes.

2. The utility model discloses a through projection lens's setting, see through the high-speed rotatory phosphor powder colour wheel that contains multiple colours such as red green, utilize rotatory phosphor powder colour wheel technique and produce red green blue three primary colors, and realize producing the light output of different colours at different times, finally realize the output of white light, through finishing lens and convergent lens with the light source refraction, diffuse reflection itself is because light is broken up, light is softer, thereby reduce the intensity of blue light, the result of use is better.

Drawings

Fig. 1 is a front view of a portable wireless projector for blue light prevention and eye protection education according to the present invention;

fig. 2 is a side view of the portable wireless projector for blue light prevention and eye protection education of the present invention;

FIG. 3 is an internal structure view of the connecting rod of the present invention;

fig. 4 is an internal structure view of the projector housing of the present invention.

In the figure: 1. a projector housing; 2. a non-slip mat; 3. a protective cover; 4. an access panel; 5. a projection lens; 6. a connecting plate; 7. a connecting shaft; 8. a knob; 9. a connecting rod; 10. a slide bar; 11. a silica gel anti-slip sleeve; 12. an elastomer; 13. a through hole; 14. fixing the rod; 15. a speaker hole; 16. an adjustment switch; 17. a spring; 18. a limiting block; 19. a cavity; 20. a high brightness LED light source; 21. a DLP circuit board; 22. storing the chip; 23. an image controller; 24. a DMD chip; 25. trimming the lens; 26. a color wheel; 27. a converging lens.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a prevent portable wireless projecting apparatus of blue light eyeshield education, including projecting apparatus casing 1, connecting plate 6 is all installed to projecting apparatus casing 1's both sides, connecting axle 7 is installed to one side of connecting plate 6, connecting axle 7 rotates with connecting plate 6 through the axle sleeve to be connected, knob 8 is installed to one side of connecting axle 7, knob 8 respectively with connecting

plate

6 and 7 threaded connection of connecting axle, connecting rod 9 is installed to one side of connecting axle 7, slide bar 10 is installed to the top of connecting rod 9, dead lever 14 is installed to the top of slide bar 10, adjust the angle of dead lever 14, the inconvenient adjusting position that carries out of small-size projecting apparatus has effectively been solved, general problem of result of use.

Further, connecting rod 9 and connecting axle 7 welded connection, and the inside of connecting rod 9 is provided with cavity 19, and slide bar 10 extends to cavity 19 inside and connecting rod 9 sliding connection, and the lower extreme of slide bar 10 is provided with stopper 18, through sliding slide bar 10, changes the length of slide bar 10 outside connecting rod 9 to can adjust the height of connecting rod 9.

Further, the outer surface of connecting rod 9 is provided with through-hole 13, and through-hole 13 is provided with four, and the internally mounted of slide bar 10 has spring 17, and spring 17 and slide bar 10 welded connection, and elastomer 12 is installed to one side of spring 17, and elastomer 12 passes slide bar 10 and through-hole 13 and extends to the outside of connecting rod 9 and block with connecting rod 9, through the spring 17 of elastomer 12 one side, can carry out spacing with connecting rod 9 and slide bar 10 respectively with elastomer 12.

Further, the number of the fixing rods 14 is two, the number of the sliding rods 10 is four, two ends of each fixing rod 14 are respectively connected with one end of each of the two sliding rods 10 in a welded manner, a silica gel anti-slip sleeve 11 is arranged on the outer surface of each fixing rod 14, and the fixing rods 14 support the projector shell 1 to be arranged.

Further, access panel 4 is installed to the preceding terminal surface of projecting apparatus casing 1, protection casing 3 is installed to the preceding terminal surface of access panel 4, the internally mounted of protection casing 3 has projecting lens 5, slipmat 2 is all installed to the outside both sides of projecting apparatus casing 1, slipmat 2 is provided with four, four slipmats 2 all bind with projecting apparatus casing 1 and are connected, speaker hole 15 is installed to one side of projecting apparatus casing 1, regulating switch 16 is installed to one side of speaker hole 15, can effectively prevent that 1 surface of projecting apparatus casing from receiving the impact through slipmat 2, the collision, because the macroseism can cause the displacement of liquid crystal display, three LCD's convergence when the influence is showing, the phenomenon that the RGB colour is misaligned appears.

Further, the internally mounted of projector housing 1 has DLP circuit board 21, storage chip 22 is installed to one side of DLP circuit board 21, DMD chip 24 and image controller 23, trim lens 25 is installed to one side of DMD chip 24, color wheel 26 is installed to one side of trim lens 25, convergent lens 27 is installed to one side of color wheel 26, highlight LED lamp source 20 is installed to one side of convergent lens 27, highlight LED lamp source 20 respectively with color wheel 26 and projection lens 5 fixed connection, refract the light source through trim lens 25 and convergent lens 27, diffuse reflection itself is broken up because light, light is softer, thereby reduce the intensity of blue light, the result of use is better.

The working principle is as follows: when the device is used, when the positions and angles of the projector shell 1 and the projection lens 5 need to be adjusted, the length of the sliding rod 10 outside the connecting rod 9 can be changed by pressing the elastic body 12 through sliding the sliding rod 10, so that the height of the connecting rod 9 can be adjusted, the lengths of the connecting rod 9 and the sliding rod 10 can be adjusted according to requirements, after the adjustment, the elastic body 12 can be respectively limited with the connecting rod 9 and the sliding rod 10 through the spring 17 on one side of the elastic body 12, the connecting rod 9 and the sliding rod 10 can be driven to rotate through the connecting shaft 7, so that the angle of the fixed rod 14 can be adjusted, after the angles of the two fixed rods 14 are changed, the connecting shaft 7 can be locked through the knob 8 to keep the stability of the whole fixed rod 14 and the projector shell 1, the projector shell 1 is supported through the fixed rod 14 to be set, and the DMD chip 24 is, connect through the wireless connection module, after the received information, change the signal of telecommunication through image controller 23, see through the rotatory phosphor powder colour wheel 26 that contains multiple colours such as red green of high speed, utilize rotatory phosphor powder colour wheel 26 technique and produce red green blue three primary colors, and realize producing the light output of different colours at different times, finally realize the output of white light, through finishing lens 25 and converging lens 27 with the light source refraction, diffuse reflection itself is because light is broken up, light is softer, thereby reduce the intensity of blue light, the result of use is better.

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. The utility model provides a prevent portable wireless projector of blue light eyeshield education, includes projector housing (1), its characterized in that: connecting plate (6) are all installed to the both sides of projector shell (1), connecting axle (7) are installed to one side of connecting plate (6), connecting axle (7) are rotated with connecting plate (6) through the axle sleeve and are connected, knob (8) are installed to one side of connecting axle (7), knob (8) respectively with connecting plate (6) and connecting axle (7) threaded connection, connecting rod (9) are installed to one side of connecting axle (7), slide bar (10) are installed to the top of connecting rod (9), dead lever (14) are installed to the top of slide bar (10).

2. The portable wireless projector of claim 1, wherein the portable wireless projector comprises: connecting rod (9) and connecting axle (7) welded connection, just the inside of connecting rod (9) is provided with cavity (19), slide bar (10) extend to cavity (19) inside and connecting rod (9) sliding connection, just the lower extreme of slide bar (10) is provided with stopper (18).

3. The portable wireless projector of claim 1, wherein the portable wireless projector comprises: the surface of connecting rod (9) is provided with through-hole (13), through-hole (13) are provided with four, the internally mounted of slide bar (10) has spring (17), spring (17) and slide bar (10) welded connection, just elastomer (12) are installed to one side of spring (17), elastomer (12) pass slide bar (10) and through-hole (13) and extend to connecting rod (9) outside and connecting rod (9) block.

4. The portable wireless projector of claim 1, wherein the portable wireless projector comprises: the fixing rod (14) is provided with two, the sliding rods (10) are provided with four, two ends of the fixing rod (14) are respectively connected with one ends of the two sliding rods (10) in a welding mode, and the outer surface of the fixing rod (14) is provided with a silica gel anti-skidding sleeve (11).

5. The portable wireless projector of claim 1, wherein the portable wireless projector comprises: maintenance board (4) are installed to the preceding terminal surface of projector casing (1), protection casing (3) are installed to the preceding terminal surface of maintenance board (4), the internally mounted of protection casing (3) has projection lens (5), slipmat (2) are all installed to the outside both sides of projector casing (1), slipmat (2) are provided with four, four slipmat (2) all bind with projector casing (1) and are connected, speaker hole (15) are installed to one side of projector casing (1), regulating switch (16) are installed to one side of speaker hole (15).

6. The portable wireless projector of claim 5, wherein the portable wireless projector comprises: the internally mounted of projecting apparatus casing (1) has DLP circuit board (21), one side of DLP circuit board (21) is installed and is stored chip (22), DMD chip (24) and image controller (23), trim lens (25) are installed to one side of DMD chip (24), color wheel (26) are installed to one side of trimming lens (25), convergent lens (27) are installed to one side of color wheel (26), highlight LED lamp source (20) are installed to one side of convergent lens (27), highlight LED lamp source (20) respectively with color wheel (26) and projecting lens (5) fixed connection.