CN217405083U

CN217405083U - Projection display device

Info

Publication number: CN217405083U
Application number: CN202221042943.7U
Authority: CN
Inventors: 朱少鹏
Original assignee: Henan Hejin Education Technology Co ltd
Current assignee: Henan Hejin Education Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-09
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a projection display device, which comprises a base, a film component and a driving mechanism; a base: the upper end of the inner wall of the base is provided with a supporting plate, the upper surface of the supporting plate is uniformly provided with a projection lamp, the input end of the projection lamp is electrically connected with the output end of a single chip microcomputer arranged at the front end of the outer arc surface of the base, the input end of the single chip microcomputer is electrically connected with the output end of a storage battery arranged at the bottom surface inside the base, the top end of the inner wall of the base is in threaded connection with a protective shell, the front end of the inner wall of the base is provided with an L-shaped supporting plate, and the upper surface of a horizontal plate body of the L-shaped supporting plate is symmetrically provided with limiting blocks; a film assembly: the film component is respectively inserted into the upper ends of the two limiting blocks, and is in sliding connection with the inner wall of the limiting groove arranged on the upper surface of the supporting plate; a driving mechanism: set up in the middle part of the horizontal plate body lower surface of L type backup pad, this projection display device, structural design is novel, but continuous play projection pattern avoids children's eyes to receive the radiation damage.

Description

Projection display equipment

Technical Field

The utility model relates to a projection equipment technical field specifically is a projection display device.

Background

The enlightenment is a Chinese vocabulary. Generally refers to exercise that progresses by receiving new things in society through publicity education. The smell and the theory are developed. In particular to education of children, which enables beginners to obtain basic, entrance and elementary education. With the development of society, at present, children are basically enlightened intelligently by mobile phones, computers and televisions, the establishment of lovers of children is accelerated, however, electronic products of the type have serious radiation, great damage is easily caused to the eyesight of the children when the children are watched for a long time, projection toy films on the market are usually short, frequent replacement is needed, the service life is shortened, and therefore a projection display device is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a projection display device, structural design is novel, but continuous play projection pattern avoids children's eyes to receive the radiation damage, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a projection display apparatus includes a base, a film assembly, and a drive mechanism;

base: the upper end of the inner wall of the base is provided with a supporting plate, the upper surface of the supporting plate is uniformly provided with a projection lamp, the input end of the projection lamp is electrically connected with the output end of a single chip microcomputer arranged at the front end of the outer arc surface of the base, the input end of the single chip microcomputer is electrically connected with the output end of a storage battery arranged at the bottom surface inside the base, the top end of the inner wall of the base is in threaded connection with a protective shell, the front end of the inner wall of the base is provided with an L-shaped supporting plate, and the upper surface of a horizontal plate body of the L-shaped supporting plate is symmetrically provided with limiting blocks;

a film assembly: the film component is respectively inserted into the upper ends of the two limiting blocks, and is in sliding connection with the inner wall of the limiting groove arranged on the upper surface of the supporting plate;

a driving mechanism: set up in the horizontal plate lower surface middle part of L type backup pad, actuating mechanism rotates with the inside of the horizontal plate of L type backup pad and stopper respectively and is connected, and the film subassembly is pegged graft in actuating mechanism's inside, and structural design is novel, can play projection pattern in succession, avoids children's eyes to receive the radiation damage, has strengthened children's education of enlightening, and the practicality is strong.

Further, the film assembly includes film reel, pivot and film, film reel has two and pegs graft respectively in the upper end of stopper inside, the pivot rotates with film reel's roof and bottom plate middle part respectively and is connected, the both ends of film pass the through-hole that film reel lateral wall set up respectively and twine in the extrados of adjacent pivot, and the film is connected with the spacing inslot wall sliding connection that the backup pad upper surface set up, through the film rolling and release show pattern between two pivots.

Further, actuating mechanism includes double-shaft motor, worm wheel, rotary drum and grafting piece, double-shaft motor sets up in the middle part of the horizontal plate body lower surface of L type backup pad, and double-shaft motor's output shaft end all is equipped with the worm, the rotary drum rotates respectively to be connected in the inside lower extreme of stopper, the lower surface of rotary drum all is equipped with the connecting axle, and the extrados of connecting axle rotates with the horizontal plate body inside of L type backup pad to be connected, and the worm wheel is fixed connection in the connecting axle lower extreme of rotary drum respectively, and the worm wheel is connected with the worm meshing, grafting piece fixed connection is respectively in the lower extreme of pivot, and grafting piece is pegged graft inside the upper end of rotary drum respectively, the output of singlechip is connected to double-shaft motor's input electricity, drives two pivot synchronous rotations.

Furthermore, the outer surface of the film is coated with a shading coating, so that the transmittance of the film in a non-pattern area is reduced, and the projection effect is improved.

Further, still include bluetooth transmitter and music player, bluetooth transmitter and music player all set up in the inside bottom surface of base, and the input of singlechip is connected to the output electricity of bluetooth transmitter, and the input of music player is connected to the output electricity of singlechip, is convenient for utilize external terminal equipment control singlechip.

Further, the projection lamp includes red projection lamp, yellow projection lamp and green projection lamp, and red projection lamp, yellow projection lamp and green projection lamp interval array set gradually, change the pattern colour through throwing different colour light, promote visual experience.

Further, the protective shell is a semitransparent protective shell, so that the patterns can be projected on the side wall of the protective shell.

Compared with the prior art, the beneficial effects of the utility model are that: the projection display device has the following advantages:

start the biax motor through the singlechip, the output shaft of biax motor drives the worm and rotates, the worm drives the rotary drum through meshing with the worm wheel and rotates, the rotary drum drives the pivot through the inserted block and rotates, the rotatory release film of pivot on right side, the rotatory rolling film of left pivot, the projection lamp sends the pattern on with the film and projects the lateral wall of protective housing and supply child to vwatch, simultaneously send bluetooth signal to bluetooth transmitter through outside cell-phone, bluetooth transmitter gives the singlechip with signalling, singlechip control audio player broadcast music, this projection display device, novel structural design, can play projection pattern in succession, avoid children's eyes to receive the radiation damage, children's education of enlightening has been strengthened, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural diagram of the position a of the present invention.

In the figure: the device comprises a base 1, a support plate 2, a projection lamp 3, a film assembly 4, a film reel 41, a rotating shaft 42, a film 43, a shading coating 431, a driving mechanism 5, a double-shaft motor 51, a worm 52, a worm wheel 53, a rotating drum 54, an insertion block 55, a Bluetooth transmitter 6, a storage battery 7, a music player 8, a single chip microcomputer 9, a support plate 10L, a limiting block 11 and a protective shell 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-2, the present embodiment provides a technical solution: a projection display apparatus includes a base 1, a film assembly 4 and a drive mechanism 5;

base 1: the upper end of the inner wall of the base is provided with a support plate 2, the upper surface of the support plate 2 is evenly provided with a projection lamp 3, the input end of the projection lamp 3 is electrically connected with the output end of a single chip microcomputer 9 arranged at the front end of the outer arc surface of a base 1, the input end of the single chip microcomputer 9 is electrically connected with the output end of a storage battery 7 arranged at the bottom surface inside the base 1, the top end of the inner wall of the base 1 is in threaded connection with a protective shell 12, the protective shell 12 is a semitransparent protective shell, patterns can be projected on the side wall of the protective shell 12, the projection lamp 3 emits light to project the patterns on a film 43 to the side wall of the protective shell 12 for viewing by children, the front end of the inner wall of the base 1 is provided with an L-shaped support plate 10, the upper surface of a horizontal plate body of the L-shaped support plate 10 is symmetrically provided with a limit block 11, the limit block 11 is used for limiting the rotation of a rubber drum 41, the projection lamp 3 comprises a red projection lamp, a yellow projection lamp and a green projection lamp, the red projection lamp, the yellow projection lamp and the green projection lamp, the red projection lamp are arranged at intervals in sequence in an array, the pattern color is changed by projecting light rays with different colors, and the visual experience is improved.

The film assembly 4: peg graft inside two stopper 11's upper end respectively, the limiting groove inner wall sliding connection of film subassembly 4 and the setting of backup pad 2 upper surface, film subassembly 4 includes film reel 41, pivot 42 and film 43, film reel 41 has two and pegs graft inside stopper 11's upper end respectively, pivot 42 rotates with film reel 41's roof and bottom plate middle part respectively and is connected, the both ends of film 43 pass the through-hole that film reel 41 lateral wall set up respectively and twine in adjacent pivot 42's extrados, the limiting groove inner wall sliding connection of film 43 and the setting of backup pad 2 upper surface, through film 43 rolling and release show pattern between two pivot 42, the surface of film 43 is scribbled and is equipped with shading coating 431, reduce the regional transmittance of film 43 no pattern, improve the projection effect.

The drive mechanism 5: the film component 4 is inserted into the driving mechanism 5, the driving mechanism 5 comprises a double-shaft motor 51, a worm 52, a worm wheel 53, a rotary drum 54 and an inserting block 55, the double-shaft motor 51 is arranged in the middle of the lower surface of the horizontal plate body of the L-shaped supporting plate, the worm 52 is arranged at the end head of an output shaft of the double-shaft motor 51, the rotary drum 54 is respectively and rotatably connected with the lower end of the inner part of the limiting block 11, the lower surface of the rotary drum 54 is respectively provided with a connecting shaft, the outer arc surface of the connecting shaft is rotatably connected with the inner part of the horizontal plate body of the L-shaped supporting plate 10, the worm wheel 53 is respectively and fixedly connected with the lower end of the connecting shaft 54, the worm wheel 53 is engaged with the worm 52, the inserting block 55 is respectively and fixedly connected with the lower end of the rotary shaft 42, the inserting block 55 is respectively inserted into the upper end of the rotary drum 54, the input end of the double-shaft motor 51 is electrically connected with the output end of the single chip microcomputer 9, the double-shaft motor 51 is started through the single chip microcomputer 9, the output shaft of the double-shaft motor 51 drives the worm 52 to rotate, the worm 52 drives the rotary drum 54 to rotate through being meshed with the worm wheel 53, and the rotary drum 54 drives the rotary shaft 42 to rotate through the inserting block 55.

Wherein: still include bluetooth transmitter 6 and music player 8, bluetooth transmitter 6 and music player 8 all set up in the inside bottom surface of base 1, and singlechip 9's input is connected to bluetooth transmitter 6's output electricity, and music player 8's input is connected to singlechip 9's output electricity, is convenient for utilize external terminal equipment control singlechip 9.

The utility model provides a pair of projection display device's theory of operation as follows:

start biax motor 51 through singlechip 9, biax motor 51's output shaft drives worm 52 and rotates, worm 52 drives rotary drum 54 through meshing with worm wheel 53 and rotates, rotary drum 54 drives pivot 42 through insertion block 55 and rotates, the rotatory release film 43 of pivot 42 on right side, the rotatory rolling film 43 of left pivot 42, projection lamp 3 sends the pattern projection on with film 43 and supplies the friend to watch on the lateral wall of protective housing 12, simultaneously send the bluetooth signal to bluetooth transmitter 6 through outside cell-phone, bluetooth transmitter 6 sends signal transmission for singlechip 9, singlechip 9 controls 8 plays music of audio player.

It should be noted that the projection lamp 3, the dual-axis motor 51, the bluetooth transmitter 6, and the music player 8 disclosed in the above embodiments can be freely configured according to the actual application scenario, the dual-axis motor 51 is proposed to be a 28-series dual-axis motor, the bluetooth transmitter 6 can be a WS8100 bluetooth chip, and the single chip microcomputer 9 controls the projection lamp 3, the dual-axis motor 51, the bluetooth transmitter 6, and the music player 8 to work by a method commonly used in the prior art.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A projection display device, characterized by: comprises a base (1), a film assembly (4) and a driving mechanism (5);

base (1): the upper end of the inner wall of the base is provided with a supporting plate (2), the upper surface of the supporting plate (2) is uniformly provided with a projection lamp (3), the input end of the projection lamp (3) is electrically connected with the output end of a single chip microcomputer (9) arranged at the front end of the outer arc surface of a base (1), the input end of the single chip microcomputer (9) is electrically connected with the output end of a storage battery (7) arranged at the bottom surface in the base (1), the top end of the inner wall of the base (1) is in threaded connection with a protective shell (12), the front end of the inner wall of the base (1) is provided with an L-shaped supporting plate (10), and the upper surface of a horizontal plate body of the L-shaped supporting plate (10) is symmetrically provided with limiting blocks (11);

film assembly (4): the film component (4) is respectively inserted into the upper ends of the two limit blocks (11), and is in sliding connection with the inner wall of a limit groove arranged on the upper surface of the support plate (2);

drive mechanism (5): the film assembly is arranged in the middle of the lower surface of a horizontal plate body of the L-shaped supporting plate, a driving mechanism (5) is respectively connected with the horizontal plate body of the L-shaped supporting plate (10) and the inside of the limiting block (11) in a rotating mode, and the film assembly (4) is inserted into the driving mechanism (5).

2. A projection display apparatus as claimed in claim 1, wherein: film subassembly (4) are including film reel (41), pivot (42) and film (43), film reel (41) have two and peg graft respectively in the upper end of stopper (11) inside, pivot (42) rotate with the roof and the bottom plate middle part of film reel (41) respectively and are connected, the both ends of film (43) pass the through-hole that film reel (41) lateral wall set up respectively and twine in the extrados of adjacent pivot (42), film (43) and backup pad (2) upper surface set up's spacing inslot wall sliding connection.

3. A projection display apparatus as claimed in claim 2, wherein: the driving mechanism (5) comprises a double-shaft motor (51), a worm (52), a worm wheel (53), a rotary drum (54) and an inserting block (55), the double-shaft motor (51) is arranged in the middle of the lower surface of the horizontal plate body of the L-shaped supporting plate, the output shaft ends of the double-shaft motor (51) are provided with worms (52), the rotary drums (54) are respectively connected with the lower ends of the inner parts of the limit blocks (11) in a rotating way, the lower surface of the rotary drum (54) is provided with a connecting shaft, the outer cambered surface of the connecting shaft is rotationally connected with the inner part of a horizontal plate body of the L-shaped supporting plate (10), worm wheels (53) are respectively and fixedly connected with the lower end of the connecting shaft of the rotary drum (54), the worm wheels (53) are meshed and connected with a worm (52), the inserting blocks (55) are respectively and fixedly connected with the lower end of the rotating shaft (42), the inserting blocks (55) are respectively inserted into the upper end of the rotating drum (54), the input end of the double-shaft motor (51) is electrically connected with the output end of the single chip microcomputer (9).

4. A projection display apparatus as claimed in claim 2, wherein: the outer surface of the film (43) is coated with a shading coating (431).

5. A projection display apparatus as claimed in claim 1, wherein: still include bluetooth transmitter (6) and music player (8), bluetooth transmitter (6) and music player (8) all set up in the inside bottom surface of base (1), and the input of singlechip (9) is connected to the output electricity of bluetooth transmitter (6), and the input of music player (8) is connected to the output electricity of singlechip (9).

6. A projection display apparatus as claimed in claim 1, wherein: the projection lamp (3) comprises a red projection lamp, a yellow projection lamp and a green projection lamp, and the red projection lamp, the yellow projection lamp and the green projection lamp are arranged in an array at intervals in sequence.

7. A projection display apparatus as claimed in claim 1, wherein: the protective shell (12) is a semitransparent protective shell.