CN113281957B

CN113281957B - Intelligent adjustment projection system

Info

Publication number: CN113281957B
Application number: CN202110721293.2A
Authority: CN
Inventors: 徐宝山; 吴汉兴
Original assignee: Guangzhou Rigal Electronics Co ltd
Current assignee: Guangzhou Rigal Electronics Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-07
Anticipated expiration: 2041-06-28
Also published as: CN113281957A

Abstract

The invention discloses an intelligent adjustment projection system, which belongs to the technical field of projectors and comprises a projector, a projection transfer mechanism and a positioning mechanism, wherein the top of the projector is fixedly connected with an installation column, a light condensation mechanism is arranged in the projector, a lens barrel is fixedly connected to one side of the projector, the projection transfer mechanism is sleeved on the outer side of a second bevel gear, and the positioning mechanism is sleeved on the outer side of the projection transfer mechanism. According to the invention, by arranging the projection transfer mechanism, light rays emitted by the projector can be effectively refracted to other positions under the action of the two reflectors, and by arranging the motor, the motor drives the fixture block to rotate when working, the motor drives the first bevel gear to move downwards to be meshed with the second bevel gear, and when the motor drives the first bevel gear to rotate when working, the motor drives the first fixing cylinder and the second fixing cylinder to rotate under the action of the second bevel gear, so that the position projected by the light rays can be effectively adjusted, and the light rays can be effectively projected on the curtain through double adjustment.

Description

Intelligent adjustment projection system

Technical Field

The invention relates to the field of projection devices, in particular to an intelligent adjusting projection system.

Background

A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. The position of the projector among the prior art is fixed, the projection scope that produces during the projection is also fixed, if need adjust the projection scope, then need adjust the position of whole projector, not only the operation is very troublesome and can't effectively be adjusted well, can't let the projection scope just in time throw on the curtain, need the manual work of workman to operate the projector position ceaselessly in the accommodation process simultaneously, adjust the inefficiency and delay work easily, present projector is bright all around dark in the middle of the reason picture of lens refraction simultaneously, the effect that the projection formula shows is not good, very influence people's work or entertainment experience.

Disclosure of Invention

In order to overcome the defect of troublesome position adjustment and poor effect of the projector in the prior art, the invention aims to provide an intelligent adjustment projection system which is convenient and quick to adjust and can solve the problem of uneven brightness distribution of a projection picture.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides an intelligent adjustment projection system which comprises a projector, a projection transfer mechanism and a positioning mechanism, wherein the top of the projector is fixedly connected with a mounting column, a light condensing mechanism is arranged in the projector, a lens cone is fixedly connected to one side of the projector, the projection transfer mechanism is sleeved on the outer side of a second bevel gear, and the positioning mechanism is sleeved on the outer side of the projection transfer mechanism.

In a preferred technical scheme of the invention, the projection transfer mechanism comprises a first shaft sleeve sleeved on the outer side of the lens cone, a fixed sleeve is clamped on the outer side of the first shaft sleeve, a first bent pipe is fixedly connected to the right end of the fixed sleeve, a first fixed cylinder is fixedly connected to the other end of the first bent pipe, a first reflector is arranged in the first bent pipe, a vertical cylinder is arranged in the first fixed cylinder, a second fixed cylinder is fixedly connected to the top of the vertical cylinder, the lower end of the second fixed cylinder is attached to the upper end of the first fixed cylinder, a second bent pipe is also fixedly connected to the other end of the first fixed cylinder, a connecting pipe is fixedly connected to the other end of the second bent pipe, a second reflector is arranged in the second bent pipe, the first reflector and the second reflector are obliquely and symmetrically arranged, two connecting rods are fixedly connected to one side surface of the second fixed cylinder, and the other ends of the two connecting rods are fixedly connected to two sides of the screw cap, threaded cap female connection has the screw thread post, the upper end fixedly connected with dog of screw thread post, the lower extreme fixedly connected with pivot of screw thread post, and the pivot is rotated through the bearing and is connected on the fixed plate, and the fixed plate is fixed in one side of first solid fixed cylinder, one side of first solid fixed cylinder is provided with the motor, and the motor configuration is the biax motor, the draw-in groove has been seted up to the bottom of pivot, is provided with the fixture block in the draw-in groove, fixture block and a motor power output shaft fixed connection, another power output shaft of motor is fixed with first bevel gear, the outside joint of lens cone has second bevel gear, first bevel gear and second bevel gear meshing, and one side of motor is connected to the bottom of fixed plate through first electric putter. The projection position is directly adjusted by using the projection transfer mechanism, and the manual adjustment is not needed, so that the use is convenient.

In a preferred technical scheme of the invention, the positioning mechanism comprises a second shaft sleeve fixed at one end of the connecting pipe, the second shaft sleeve is clamped at the middle part of the supporting plate, the front end surface of the supporting plate is provided with a camera, two sides of the bottom of the supporting plate are fixedly connected with balancing weights through fixing ropes, four corners of the front end surface of the supporting plate are respectively provided with a limiting hole, an infrared emitter is rotationally connected in the limiting hole, two infrared emitters on the same vertical line are fixedly connected through a fixing rod, the rear end of the infrared emitter positioned above is fixedly connected with a half-tooth gear, the back of the supporting plate is fixedly connected with an air cylinder, two sides of the air cylinder are respectively connected with first piston blocks through springs, far surfaces of the two first piston blocks are respectively fixedly connected with a rack through the positioning rod, one side of the positioning rod close to the supporting plate is fixedly connected with a slide block, the slide block is slidably connected in a slide groove formed in the back of the supporting plate, the back of the inflator is communicated with an air pipe, a second piston block is inserted in the air pipe, the second piston block is fixedly connected with the free end of a second electric push rod, and the fixed end of the second electric push rod is fixed at the end part of the air pipe through a connecting strip. The positioning mechanism is used for positioning the position of the light projected on the curtain in advance, so that the projection position is more accurate and the projection deviation can not occur.

In a preferred technical scheme of the invention, the light condensing mechanism comprises a light source head arranged in the projector, a lens is arranged on the right side of the light source head, a light transmitting mirror is fixedly connected to the left side surface of the lens, the light transmitting mirror is a cambered surface, a plurality of light reflecting sheets are fixedly connected to the outer edge of the light transmitting mirror, and an annular mirror is fixedly connected to the outer edge of the light source head. The light condensing mechanism is used for condensing light rays to enable the projection effect to be better.

In a preferred technical scheme of the invention, a main board is arranged in the projector, a projection information receiving module, an image analysis module, a single chip microcomputer, a projection margin calculation module, a drive control module and a curtain information receiving module are welded on the main board, the output ends of the camera, the curtain information receiving module and the projection information receiving module are electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the input end of the image analysis module, the output end of the image analysis module is electrically connected with the input end of the projection margin calculation module, the output end of the single chip microcomputer is electrically connected with the input end of the drive control module, and the output end of the drive control module is electrically connected with the input ends of the motor, the first electric push rod and the second electric push rod respectively.

The invention has the beneficial effects that:

according to the intelligent adjustment projection system provided by the invention, by arranging the projection transfer mechanism, light rays emitted by the projector can be effectively refracted to other positions under the action of the two reflectors, the first electric push rod, the first bevel gear and the second bevel gear are arranged, when the first electric push rod extends, the motor can be driven by the fixing piece to move downwards, the motor drives the first bevel gear to move downwards to be meshed with the second bevel gear, when the motor drives the first bevel gear to rotate during working, the motor drives the first fixed cylinder and the second fixed cylinder to rotate under the action of the second bevel gear, so that the position projected by the light rays can be effectively adjusted, and the light rays can be effectively projected on a curtain through double adjustment;

the invention provides an intelligent adjustment projection system, through setting up the positioning mechanism, the infrared ray that four infrared ray emitters emit is shone on the template, can position the position that the light throws, wherein the second electric push rod drives the second piston block to move to the right while extending, the second piston block squeezes the air in the air pipe, the air in the air pipe enters into inflator, the air can squeeze two first piston blocks at the same time, two first piston blocks can keep away from each other, and drive two racks to keep away from each other respectively through two locating levers, the rack drives the half-tooth gear to rotate, the half-tooth gear moves and drives the infrared ray emitter to move, thus make the position of the infrared ray jet point can be effectively adjusted, expand the interval or narrow the interval of four infrared ray points, adjust according to the scope that the projector throws out the picture, through setting up slide block and concrete chute, under its effect the locating lever can be along the stable removal of orbit, through setting up the spring, when the second piston piece removed initial position, the spring utilizes self elasticity shrink pulling second piston to remove to initial position.

According to the intelligent adjustment projection system provided by the invention, the light condensing mechanism is arranged, wherein light rays emitted by the light source head irradiate on the light transmitting mirror, light rays at the edge are subjected to diffuse reflection to the periphery and are reflected on the light reflecting sheet, the light reflecting sheet reflects the light rays onto the annular mirror, and the annular mirror reflects the light rays again, so that the light rays emitted from the lens are effectively enhanced, the uniform distribution rate of the light rays is improved, and the problem that the middle of a picture is bright and the periphery of the picture is dark in the prior art is effectively solved.

The invention provides an intelligent adjustment projection system, which comprises an image analysis module, a single chip microcomputer, a projection edge distance calculation module, a drive control module and a curtain information receiving module, wherein infrared rays emitted by four infrared emitters irradiate on a curtain, a camera shoots a picture of the curtain and transmits the information to the single chip microcomputer, the projection information receiving module and the curtain information receiving module respectively receive projection range information and curtain size information of the picture to be projected, the image analysis module analyzes the transmitted picture information, calculates the distance of an infrared point which should appear on the curtain according to the projection edge distance calculation module, transmits the information to the single chip microcomputer, the single chip microcomputer transmits the information to the drive control module, the drive control module controls a second electric push rod to work and adjust the position of the infrared point, and the projector is turned on after the adjustment is completed, the picture is just projected at the center of the template.

Drawings

FIG. 1 is a schematic perspective view of an intelligent adjusting projection system according to an embodiment of the present invention;

FIG. 2 is an exploded view of the positioning mechanism of FIG. 1;

FIG. 3 is an exploded view of the transfer mechanism of FIG. 1;

FIG. 4 is a schematic view of the internal top view of the projector of FIG. 1;

FIG. 5 is a schematic structural view of the first bushing of FIG. 1;

fig. 6 is a schematic system diagram of an intelligent adjustment projection system according to an embodiment of the present invention.

In the figure:

1-a projector; 10-an image analysis module; 11-a single chip microcomputer; 12-projection margin calculation module; 13-a drive control module; 14-curtain information receiving module; 15-a lens barrel; 2-mounting a column; 3-a second bevel gear; 4-a projection transfer mechanism; 41-fixing sleeves; 42-a first bend; 43-a first fixed cylinder; 44-a second stationary cylinder; 45-connecting pipe; 46-a second mirror; 47-vertical cylinder; 48-a stop block; 49-connecting rod; 410-a threaded post; 411-a rotating shaft; 412-a fixation plate; 413-a cartridge; 414-a motor; 415-a first bevel gear; 416-a first electric putter; 417-a first bushing; 418-a first mirror; 419-a second bend; 420-a screw cap; 5-a positioning mechanism; 51-a support plate; 52-a camera; 53-second bushing; 54-an infrared emitter; 55-a balancing weight; 56-half tooth gear; 57-a fixation bar; 58-inflator; 59-a slider; 510-a spring; 511-a second electric putter; 512-a first piston block; 513-a positioning rod; 514-rack; 515-a second piston block; 516-a connecting strip; 517-a chute; 518-the trachea; 6-a light source head; 7-a light gathering mechanism; 71-a ring mirror; 72-a light-reflecting sheet; 73-a light-transmitting mirror; 74-a lens; 8-a projection information receiving module; 9-main board.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-6, an embodiment provides an intelligent adjustment projection system, which includes a projector 1, a projection transfer mechanism 4, and a positioning mechanism 5, wherein a mounting column 2 is fixedly connected to the top of the projector 1, a light-focusing mechanism 7 is disposed inside the projector 1, and a lens barrel 15 is fixedly connected to one side of the projector 1.

Through setting up spotlight mechanism 7, wherein the light that the light source head 6 jetted out shines on printing opacity mirror 73, marginal light by diffuse reflection to all around, on light reflection to reflector plate 72, reflector plate 72 reflects light to annular mirror 71 on, annular mirror 71 reflects light once more, effectively strengthens the light of jetting from lens 74, improves the evenly distributed rate of light, effectively improves among the prior art bright problem all around dark in the middle of the picture.

A main board 9 is arranged in the projector 1, a projection information receiving module 8 is welded on the main board 9, an image analysis module 10, a single chip microcomputer 11, a projection margin calculation module 12, a driving control module 13 and a curtain information receiving module 14, a camera 52, the output ends of the curtain information receiving module 14 and the projection information receiving module 8 are electrically connected with the input end of the single chip microcomputer 11, the output end of the single chip microcomputer 11 is electrically connected with the input end of the image analysis module 10, the output end of the image analysis module 10 is electrically connected with the input end of the projection margin calculation module 12, the output end of the single chip microcomputer 11 is electrically connected with the input end of the driving control module 13, and the output end of the driving control module 13 is electrically connected with the input ends of a motor 414, a first electric push rod 416 and a second electric push rod 511 respectively;

the implementation mode is specifically as follows: by arranging the image analysis module 10, the single chip microcomputer 11, the projection margin calculation module 12, the drive control module 13 and the curtain information receiving module 14, wherein infrared rays emitted by four infrared emitters 54 irradiate on the curtain, the camera 52 shoots pictures of the curtain and transmits the information to the single chip microcomputer 11, the projection information receiving module 8 and the curtain information receiving module 14 respectively receive projection range information and curtain size information of pictures to be projected, meanwhile, the image analysis module 10 analyzes the transmitted picture information, calculates the distance of an infrared point which should appear on the curtain according to the projection margin calculation module 12, then the information is transmitted to the single chip microcomputer 11, the single chip microcomputer 11 then transmits the information to the drive control module 13, the drive control module 13 controls the position of the infrared ray of a working adjustment point of the second electric push rod 511, and the projector 1 is turned on after the adjustment is completed, the picture is just projected at the center of the template.

Further, a projection transfer mechanism 4 is sleeved outside the second bevel gear 3, the projection transfer mechanism 4 includes a first shaft sleeve 417 sleeved outside the lens barrel 15, a fixed sleeve 41 is clamped outside the first shaft sleeve 417, a first bent tube 42 is fixedly connected to a right end of the fixed sleeve 41, a first fixed tube 43 is fixedly connected to the other end of the first bent tube 42, a first reflective mirror 418 is disposed in the first bent tube 42, a vertical tube 47 is disposed in the first fixed tube 43, a second fixed tube 44 is fixedly connected to a top of the vertical tube 47, a lower end of the second fixed tube 44 is attached to an upper end of the first fixed tube 43, a second bent tube 419 is also fixedly connected to the other end of the first fixed tube 43, a connecting tube 45 is fixedly connected to the other end of the second bent tube 419, a second reflective mirror 46 is disposed in the second bent tube 419, the first reflective mirror 418 and the second reflective mirror 46 are obliquely and symmetrically disposed, two connecting rods 49 are fixedly connected to one side surface of the second fixed tube 44, the other ends of the two connecting rods 49 are fixedly connected to two sides of a threaded cap 420, a threaded column 410 is connected to the threaded cap 420 in a threaded manner, a stopper 48 is fixedly connected to the upper end of the threaded column 410, a rotating shaft 411 is fixedly connected to the lower end of the threaded column 410, the rotating shaft 411 is rotatably connected to a fixing plate 412 through a bearing, the fixing plate 412 is fixed to one side of a first fixing cylinder 43, a motor 414 is arranged on one side of the first fixing cylinder 43, the motor 414 is configured as a double-shaft motor, a clamping groove is formed in the bottom of the rotating shaft 411, a clamping block 413 is arranged in the clamping groove, the clamping block 413 is fixedly connected with a power output shaft of the motor 414, a first bevel gear 415 is fixed to the other power output shaft of the motor 414, a second bevel gear 3 is clamped to the outer side of the lens barrel 15, the first bevel gear 415 is meshed with the second bevel gear 3, and one side of the motor 414 is connected to the bottom of the fixing plate 412 through a first electric push rod 416;

by arranging the projection transfer mechanism 4, under the action of the two reflectors, light emitted by the projector 1 can be effectively refracted to other positions, by arranging the motor 414, the motor 414 drives the fixture block 413 to rotate when working, the fixture block 413 is clamped in the clamping groove and drives the threaded post 410 to rotate through the rotating shaft 411, so that the threaded cap 420 can drive the second fixed cylinder 44 to move up and down through the connecting rod 49, the distance between the second fixed cylinder 44 and the first fixed cylinder 43 can be adjusted according to actual use conditions, so that the projection position can also be effectively adjusted, light cannot leak out when the first fixed cylinder 43 and the second fixed cylinder 44 are separated under the action of the vertical cylinder 47, the normal projection of the light cannot be influenced, by arranging the first electric push rod 416, the first bevel gear 415 and the second bevel gear 3, the first electric push rod 416 can drive the motor 414 to move downwards through the fixing plate when extending, the motor 414 drives the first bevel gear 415 to move down to be meshed with the second bevel gear 3, when the motor 414 drives the first bevel gear 415 to rotate during operation, the motor 414 drives the first fixed cylinder 43 and the second fixed cylinder 44 to rotate under the action of the second bevel gear 3, so that the position of light projection can be effectively adjusted, and the light projection can be effectively projected on the curtain through double adjustment.

Further, the outer side of the projection transfer mechanism 4 is sleeved with a positioning mechanism 5, the positioning mechanism 5 comprises a second shaft sleeve 53 fixed at one end of the connecting pipe 45, the second shaft sleeve 53 is clamped at the middle part of the supporting plate 51, the front end surface of the supporting plate 51 is provided with a camera 52, two sides of the bottom of the supporting plate 51 are fixedly connected with a balancing weight 55 through fixing ropes, four corners of the front end surface of the supporting plate 51 are respectively provided with a limiting hole, an infrared emitter 54 is rotatably connected in the limiting hole, two infrared emitters 54 on the same vertical line are fixedly connected through a fixing rod 57, the rear end of the infrared emitter 54 positioned above is fixedly connected with a half-tooth gear 56, the back of the supporting plate 51 is fixedly connected with an air cylinder 58, two sides of the air cylinder 58 are respectively connected with first piston blocks 512 through springs 510, two far-away surfaces of the first piston blocks 512 are respectively fixedly connected with a rack 514 through a positioning rod 513, a sliding block 59 is fixedly connected to one side of the positioning rod 513 close to the supporting plate 51, the sliding block 59 is slidably connected in a sliding groove 517 formed in the back of the supporting plate 51, the back of the air cylinder 58 is communicated with an air pipe 518, a second piston block 515 is inserted in the air pipe 518, the second piston block 515 is fixedly connected with the free end of the second electric push rod 511, and the fixed end of the second electric push rod 511 is fixed at the end of the air pipe 518 through a connecting strip 516;

by arranging the positioning mechanism 5, the infrared rays emitted by the four infrared emitters 54 irradiate on the template, so that the position of light projection can be positioned, wherein when the second electric push rod 511 extends, the second piston block 515 is driven to move rightwards, the second piston block 515 extrudes the air in the air pipe 518, the air in the air pipe 518 enters the air cylinder 58, the air can simultaneously extrude the two first piston blocks 512, the two first piston blocks 512 can be far away from each other, the two positioning rods 513 respectively drive the two racks 514 to be far away from each other, the racks 514 drive the half-tooth gear 56 to rotate, the half-tooth gear 56 moves to drive the infrared emitters 54 to move, so that the positions of infrared emitting points can be effectively adjusted, the distance among the four infrared points is enlarged or reduced, the adjustment is performed according to the range of a picture projected by the projector 1, and by arranging the sliding blocks 59 and the sliding chutes 517, under the action of the spring 510, when the second piston block 515 moves to the initial position, the spring 510 contracts by its own elastic force to pull the second piston to move to the initial position.

When the light source device is used, light emitted by the light source head 6 irradiates on the light-transmitting mirror 73, light at the edge is diffusely reflected to the periphery, the light is reflected to the reflector 72, the reflector 72 reflects the light to the annular mirror 71, the annular mirror 71 reflects the light again, the light emitted from the lens 74 is effectively enhanced, the motor 414 drives the fixture block 413 to rotate when in work, the fixture block 413 is clamped in the clamping groove and drives the threaded column 410 to rotate through the rotating shaft 411, so that the threaded cap 420 can drive the second fixed cylinder 44 to move up and down through the connecting rod 49, the distance between the second fixed cylinder 44 and the first fixed cylinder 43 can be adjusted according to actual use conditions, so that the projection position can also be effectively adjusted, when the first electric push rod 416 extends, the first electric push rod can drive the fixing plate motor 414 to move downwards, the motor 414 drives the first bevel gear 415 to move downwards to be meshed with the second bevel gear 3, when the motor 414 works, the first bevel gear 415 is driven to rotate, under the action of the second bevel gear 3, the motor 414 drives the first fixed cylinder 43 and the second fixed cylinder 44 to rotate, so that the position of light projection can be effectively adjusted, and can be effectively projected on a curtain through double adjustment, infrared rays emitted by the four infrared emitters 54 irradiate on a template, and the position of light projection can be positioned, wherein when the second electric push rod 511 extends, the second piston block 515 is driven to move rightwards, the second piston block 515 extrudes air in the air pipe 518, the air in the air pipe 518 enters the air cylinder 58, the air can simultaneously extrude the two first piston blocks 512, the two first piston blocks 512 can be far away from each other, and the two positioning rods 513 respectively drive the two racks 514 to be far away from each other, the racks 514 drive the half-tooth gear 56 to rotate, the half-tooth gear 56 moves to drive the infrared emitters 54 to move, so that the position of an infrared emission point can be effectively adjusted, the distance between the four infrared points is increased or decreased, and the adjustment is performed according to the range of the projection of the image by the projector 1.

Other techniques of the present embodiment employ existing techniques.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. An intelligent adjustment projection system comprises a projector (1), a projection transfer mechanism (4) and a positioning mechanism (5), and is characterized in that the top of the projector (1) is fixedly connected with a mounting column (2), a light condensing mechanism (7) is arranged inside the projector (1), a lens barrel (15) is fixedly connected to one side of the projector (1), the projection transfer mechanism (4) is sleeved outside a second bevel gear (3), and the positioning mechanism (5) is sleeved outside the projection transfer mechanism (4); the projection transfer mechanism (4) comprises a first shaft sleeve (417) sleeved on the outer side of the lens cone (15), a fixed sleeve (41) is clamped on the outer side of the first shaft sleeve (417), a first bent pipe (42) is fixedly connected to the right end of the fixed sleeve (41), a first fixed cylinder (43) is fixedly connected to the other end of the first bent pipe (42), a first reflecting mirror (418) is arranged in the first bent pipe (42), and a vertical cylinder (47) is arranged in the first fixed cylinder (43); the top of the vertical cylinder (47) is fixedly connected with a second fixed cylinder (44), the lower end of the second fixed cylinder (44) is attached to the upper end of the first fixed cylinder (43), the other end of the first fixed cylinder (43) is also fixedly connected with a second bent pipe (419), the other end of the second bent pipe (419) is fixedly connected with a connecting pipe (45), a second reflector (46) is arranged in the second bent pipe (419), and the first reflector (418) and the second reflector (46) are obliquely and symmetrically arranged; one side face of the second fixed cylinder (44) is fixedly connected with two connecting rods (49), the other ends of the two connecting rods (49) are fixedly connected to two sides of a threaded cap (420), a threaded column (410) is connected to the threaded cap (420) in a threaded manner, a stop block (48) is fixedly connected to the upper end of the threaded column (410), a rotating shaft (411) is fixedly connected to the lower end of the threaded column (410), the rotating shaft (411) is rotatably connected to a fixed plate (412) through a bearing, and the fixed plate (412) is fixed to one side of the first fixed cylinder (43); a motor (414) is arranged on one side of the first fixed cylinder (43), the motor (414) is configured as a double-shaft motor, a clamping groove is formed in the bottom of the rotating shaft (411), a clamping block (413) is arranged in the clamping groove, the clamping block (413) is fixedly connected with a power output shaft of the motor (414), a first bevel gear (415) is fixed on the other power output shaft of the motor (414), a second bevel gear (3) is clamped on the outer side of the lens barrel (15), the first bevel gear (415) is meshed with the second bevel gear (3), and one side of the motor (414) is connected to the bottom of the fixed plate (412) through a first electric push rod (416); positioning mechanism (5) is including being fixed in second shaft sleeve (53) of connecting pipe (45) one end, second shaft sleeve (53) joint is at the middle part of backup pad (51), the preceding terminal surface of backup pad (51) is provided with camera (52), the both sides of backup pad (51) bottom all are through fixed rope fixedly connected with balancing weight (55), spacing hole has all been seted up to four corner department of backup pad (51) preceding terminal surface, spacing downthehole rotation is connected with infrared emitter (54), through dead lever (57) fixed connection between two infrared emitter (54) on the same vertical line, the rear end fixedly connected with half-tooth gear (56) of infrared emitter (54) that is located the top.

2. The intelligent adjusting projection system of claim 1, wherein a gas cylinder (58) is fixedly connected to the back of the supporting plate (51), first piston blocks (512) are connected to two sides of the gas cylinder (58) through springs (510), racks (514) are fixedly connected to two far surfaces of the first piston blocks (512) through positioning rods (513), a sliding block (59) is fixedly connected to one side, close to the supporting plate (51), of each positioning rod (513), the sliding block (59) is slidably connected to a sliding groove (517) formed in the back of the supporting plate (51), a gas pipe (518) is communicated to the back of the gas cylinder (58), a second piston block (515) is inserted into the gas pipe (518), the second piston block (515) is fixedly connected to the free end of the second electric push rod (511), and the fixed end of the second electric push rod (511) is fixed to the end of the gas pipe (518) through a connecting bar (516).

3. The intelligent adjusting projection system according to claim 1, wherein the light gathering mechanism (7) comprises a light source head (6) arranged inside the projector (1), a lens (74) is arranged on the right side of the light source head (6), a transparent mirror (73) is fixedly connected to the left side surface of the lens (74), the transparent mirror (73) is an arc surface, a plurality of light reflecting sheets (72) are fixedly connected to the outer edge of the transparent mirror (73), and an annular mirror (71) is fixedly connected to the outer edge of the light source head (6).

4. The intelligent adjustment projection system according to claim 1, wherein a main board (9) is disposed in the projector (1), a projection information receiving module (8), an image analysis module (10), a single chip microcomputer (11), a projection margin calculation module (12), a driving control module (13) and a curtain information receiving module (14) are welded on the main board (9), the output ends of the camera (52), the curtain information receiving module (14) and the projection information receiving module (8) are electrically connected with the input end of the single chip microcomputer (11), the output end of the single chip microcomputer (11) is electrically connected with the input end of the image analysis module (10), the output end of the image analysis module (10) is electrically connected with the input end of the projection margin calculation module (12), the output end of the single chip microcomputer (11) is electrically connected with the input end of the driving control module (13), the output end of the drive control module (13) is respectively and electrically connected with the input ends of the motor (414), the first electric push rod (416) and the second electric push rod (511).