CN113031384B - Portable projection arrangement of marketing training teaching - Google Patents
Portable projection arrangement of marketing training teaching Download PDFInfo
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- CN113031384B CN113031384B CN202110277495.2A CN202110277495A CN113031384B CN 113031384 B CN113031384 B CN 113031384B CN 202110277495 A CN202110277495 A CN 202110277495A CN 113031384 B CN113031384 B CN 113031384B
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- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Projection Apparatus (AREA)
Abstract
The invention comprises a projection device, a screen suspension device and a control system, wherein the projection device comprises a projection device, a screen suspension device and a control system; the projector device comprises a projector, the projector is placed in a first storage box, a lifting mechanism for driving the projector to lift is fixed in the first storage box, and an angle adjusting mechanism for adjusting the irradiation angle of the projector is fixed on the lifting mechanism; the curtain suspension device comprises a support plate, wherein a suspension assembly for suspending the projection curtain is fixed at the upper end of the support plate; the control system comprises a first GPS positioning module, a second GPS positioning module and a calculating unit, and the microprocessor generates a control instruction according to data calculated by the calculating unit to start a driving part of the lifting mechanism and a driving part of the angle adjusting mechanism; the invention provides a portable projection device for marketing training and teaching, which can automatically adjust the height and the angle of a projector according to the positions of a projection screen and the projector, so that the projector projects the best projection area of the screen.
Description
Technical Field
The invention relates to the technical field of portable projection devices, in particular to a portable projection device for marketing training and teaching.
Background
Marketing mainly refers to the process of marketing operation and sales activities of marketing personnel, marketing training is to train around marketing planning personnel or marketing items, marketing training is essentially client-oriented, emphasizes more environments suitable for selling before selling, in order to enable more marketing personnel to quickly master marketing skills, a plurality of companies can specially ask special training personnel to train the marketing personnel, but because training occasions are different, some training occasions do not have projection equipment, the training personnel need to carry projection equipment by themselves, but most personnel only carry a portable projector, so that the training occasions need to have special projection screens if the special projection screens are directly projected on white walls, if the projection is directly projected on the white walls, the projection effect is influenced, and meanwhile, because the space of the training occasions is limited, the curtain can not hang wantonly and the locating position of projecting apparatus also can not put wantonly simultaneously, need the artifical relative position who constantly adjusts projecting apparatus and curtain in limited space in order to guarantee projected effect like this, makes its projection area on the curtain most suitable, but the relative position of manual regulation projecting apparatus and curtain not only wastes time and energy, still hardly adjusts the projection area of best.
Disclosure of Invention
The invention aims to provide a portable projector for marketing training and teaching, which can automatically adjust the height and the angle of a projector according to the positions of a projection screen and the projector after the hanging position of the projection screen and the fixing position of the projector are determined during training so that the projector projects to the optimal projection area of the screen.
The technical scheme of the invention is as follows:
a portable projection arrangement of marketing training teaching, includes:
a projection device, comprising:
a projector;
a first storage box for storing the projector therein;
the lifting mechanism is fixed in the first storage box and used for driving the projector to lift and adjust the height of the projector;
the angle adjusting mechanism is fixed on the lifting mechanism and used for adjusting the irradiation angle of the projector;
the curtain suspension device comprises a support plate, wherein a suspension assembly for suspending the projection curtain is fixed at the upper end of the support plate;
a control system, comprising:
the first GPS positioning module is fixed at the upper end of the supporting plate;
the second GPS positioning module is fixed on the side wall of the projector;
the computing unit is used for computing distance data required to be increased and angle data required to be rotated when the projector reaches an optimal projection area according to the position signals sent by the first GPS positioning module and the second GPS positioning module;
the microprocessor is connected with the first GPS positioning module, the second GPS positioning module, the computing unit, the driving piece of the lifting mechanism and the driving piece of the angle adjusting mechanism; and the microprocessor generates a control command according to the data calculated by the calculation unit to start the driving piece of the lifting mechanism and the driving piece of the angle adjusting mechanism.
The angle adjusting mechanism includes:
the first plate body is used for fixing the projector;
the left side of the second plate body is hinged with the left side of the first plate body;
the left end and the right end of the first screw rod are connected with a bearing seat through a bearing, and the bearing seat is fixed in a groove formed in the second plate body;
the first motor is fixed in a groove formed in the second plate body, and an output shaft of the first motor is connected with one end of the first screw rod; the first motor is a driving piece of the angle adjusting mechanism and is connected with the microprocessor;
the first nut is in threaded connection with the first screw rod;
and the upper end of the connecting rod is hinged with the first plate body, and the other end of the connecting rod is hinged with the first nut.
The above-mentioned elevating system includes:
the second nut is fixed on the left side of the second plate body;
the third nut is fixed on the right side of the second plate body;
the second screw is in threaded connection with the second nut, and the upper end and the lower end of the second screw are connected with the first storage box through bearings;
the third screw is in threaded connection with the third nut, and the upper end and the lower end of the third screw are also connected with the first storage box through bearings;
the driving belt wheel is sleeved at the bottom of the second screw rod and is fixedly connected with the second screw rod;
the driven belt wheel is sleeved at the bottom of the third screw rod and is fixedly connected with the third screw rod;
the driven gear is sleeved and fixed at the bottom of the second screw rod;
a driving gear engaged with the driven gear;
the second motor is fixed inside the first storage box, and an output shaft of the second motor is connected with the driving gear and used for driving the driving gear to rotate; the second motor is a driving piece of the lifting mechanism and is connected with the microprocessor.
Above-mentioned curtain linkage still includes:
the second storage box is clamped on one side of the first storage box through a clamping assembly; the lower end of the supporting plate is in sliding connection with the second storage box through a sliding mechanism;
and the lifting mechanism is fixed in the second storage box and used for driving the supporting plate to lift so as to change the hanging height of the projection curtain.
The above-mentioned hoist mechanism includes:
the rack is fixed on one side of the supporting plate;
the gear is meshed with the rack, the middle part of the gear is provided with a rotating shaft penetrating through the gear, and the rotating shaft is connected with the upper side of the second storage box through a bearing;
and the output of the third motor is connected with the central rotating shaft of the gear, the third motor is fixed on the second storage box, and the third motor is connected with the microprocessor.
The slide mechanism includes:
the sliding blocks are fixed on the left side and the right side of the supporting plate;
the spout, set up deposit the incasement lateral wall with the second slider sliding connection.
The control system further comprises:
the angle sensor is fixed on the first plate body and used for detecting the rotation angle of the first plate body relative to the second plate body;
the first distance sensor is fixed on the second nut and used for detecting the distance between the second nut and the bottom of the first storage box;
the angle sensor and the first distance sensor are both connected with the microprocessor, the microprocessor generates a control instruction according to data calculated by the calculation unit to start a second motor of the lifting mechanism, the lifting mechanism drives the second plate body to lift, the first distance sensor fixed on the second nut sends a signal to the microprocessor after the second plate body is lifted to a distance required by the projector to lift, and the microprocessor controls the lifting mechanism to stop lifting after receiving the distance which meets a set distance;
the microprocessor generates a control instruction according to the data calculated by the calculation unit to start a first motor of the angle adjusting mechanism, the angle adjusting mechanism drives the first plate body to rotate around the second plate body, the angle sensor fixed on the first plate body sends a signal to the microprocessor, and the microprocessor controls the angle adjusting mechanism to stop rotating after receiving the angle meeting the set angle.
The above-mentioned suspension assembly includes two fixed telescopic machanisms as an organic whole, and telescopic machanism includes:
a first sleeve;
the second sleeve is sleeved on the inner side of the first sleeve and is locked with the first sleeve through a locking mechanism;
and the third sleeve is sleeved on the inner side of the second sleeve and is locked with the second sleeve through a locking mechanism.
The above-mentioned joint subassembly includes:
the clamping piece is fixed on one side of the second storage box;
the clamping groove is formed in one side of the first storage box;
the first magnet is fixed on the clamping piece;
and the second magnet is magnetically attracted with the first magnet, and is fixed in the clamping groove.
The invention has the beneficial effects that:
1. the portable projector for marketing training and teaching provided by the invention comprises the projector and the projection screen, can be used in any training occasions through the projection screen and the projector, does not need to prepare the projection screen independently, and can automatically adjust the height and the angle of the projector according to the height of the projection screen.
2. The invention can adjust the hanging position of the projection screen according to the training position, fix the projector in front of the projection screen after the hanging position and hanging height are determined, because the training space is limited, the positions where the projection screen and projector are placed can not be adjusted at will, when the projection screen and projector are placed, start the switch of the control system, the control system detects the height and angle of the projection screen, and automatically adjust the height and angle of the projector according to the height to project the projector to the optimal projection area of the screen.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the curtain suspension apparatus of the present invention.
Fig. 3 is a schematic structural view of the angle adjustment mechanism of the present invention.
Fig. 4 is a schematic structural view of the telescopic mechanism of the present invention.
Fig. 5 is a schematic structural diagram of the projection apparatus of the present invention in cooperation with a curtain suspension apparatus.
Fig. 6 is a control schematic block diagram of the present invention.
Description of reference numerals:
1. a projector; 2. a first storage box; 3. a first plate body; 4. a second plate body; 5. a second storage box; 6. a support plate; 7. a first screw; 8. a bearing seat; 9. a groove; 10. a first motor; 11. a first nut; 12. a connecting rod; 13. a second nut; 14. a third nut; 15. a second screw; 16. a third screw; 17. a driving pulley; 18. a driven pulley; 19. a driven gear; 20. a driving gear; 21. a second motor; 22. a rack; 23. a gear; 24. a third motor; 25. a slider; 26. a chute; 27. an angle sensor; 28. a first distance sensor; 29. a second distance sensor; 30. a first GPS positioning module; 31. a second GPS positioning module; 32. a microprocessor; 33. a first sleeve; 34. a second sleeve; 35. a third sleeve; 36. a clamping piece; 37. a clamping groove; 38. a first magnet; 39. a second magnet.
Detailed Description
An embodiment of the present invention will be described in detail with reference to fig. 1 and 4, but it should be understood that the scope of the present invention is not limited by the embodiment.
Example 1:
as shown in fig. 1, an embodiment of the present invention provides a portable projection apparatus for marketing training teaching, which includes a projection apparatus, a curtain suspension apparatus, and a control system; the projector device comprises a projector 1, wherein the projector 1 is positioned in a first storage box 2, a lifting mechanism for driving the projector 1 to lift and adjust the height of the projector is fixed in the first storage box 2, and an angle adjusting mechanism for adjusting the irradiation angle of the projector 1 is also fixed on the lifting mechanism; the curtain suspension device comprises a support plate 6, wherein a suspension assembly for suspending the projection curtain is fixed at the upper end of the support plate 6; the control system comprises a first GPS positioning module 30, a second GPS positioning module 31 and a calculating unit, wherein the first GPS positioning module 30 is fixed at the upper end of the supporting plate 6, the second GPS positioning module 31 is fixed on the side wall of the projector 1, and the calculating unit calculates distance data required to be increased and angle data required to be rotated when the projector 1 reaches an optimal projection area according to position signals sent by the first GPS positioning module 30 and the second GPS positioning module 31; the microprocessor 32 is connected with the first GPS positioning module 30, the second GPS positioning module 31, the computing unit, a driving piece of the lifting mechanism and a driving piece of the angle adjusting mechanism; the microprocessor 32 generates a control command to start the driving member of the lifting mechanism and the driving member of the angle adjusting mechanism according to the data calculated by the calculating unit.
The invention provides a portable projector for marketing training teaching, which is characterized in that when the hanging position of a projection screen and the fixing position of a projector are determined during training, can automatically adjust the height and the angle of the projector according to the positions of the projection screen and the projector so that the projector projects the projection screen to the optimal projection area of the screen, when the projector screen and the projector are placed well in use, a switch of a control system is started, a first GPS positioning module 30 and a second GPS positioning module 31 of the control system detect the positions of the projector screen and the projector, a calculation unit calculates distance data needing to be increased and angle data needing to be rotated when the projector 1 reaches an optimal projection area according to position signals sent by the first GPS positioning module 30 and the second GPS positioning module 31, and a microprocessor 32 generates a control command to start a driving piece of a lifting mechanism and a driving piece of an angle adjusting mechanism according to the data calculated by the calculation unit.
Example 2:
in this embodiment, based on embodiment 1, the angle adjusting mechanism includes a first plate 3 for fixing the projector 1, the left side of the first plate 3 is hinged to the left side of a second plate 4, a groove 9 is formed in the second plate 4, a first screw 7 is disposed in the groove 9, the left and right ends of the first screw 7 are connected to a bearing seat 8 through a bearing, and the bearing seat 8 is fixed in the groove 9; one end of the first screw 7 is connected with an output shaft of a first motor 10, the first motor 10 is fixed in a groove 9 formed in the second plate body 4, the first motor 10 is a driving part of an angle adjusting mechanism, and the first motor 10 is connected with a microprocessor 32; the first screw 7 is in threaded connection with the first nut 11, the side wall of the first nut 11 is hinged to one end of the connecting rod 12, and the other end of the connecting rod 12 is hinged to the first plate 3.
Further, the lifting mechanism comprises a second nut 13 fixed on the left side of the second plate 4 and a third nut 14 fixed on the right side of the second plate 4; the second nut 13 is in threaded connection with a second screw 15, and the upper end and the lower end of the second screw 15 are both connected with the first storage box 2 through bearings; the third nut 14 is in threaded connection with a third screw 16, and the upper end and the lower end of the third screw 16 are also connected with the first storage box 2 through bearings; the bottom of the second screw rod 15 is provided with a driving belt pulley 17 which is sleeved on the outer side of the second screw rod 15 and is fixed with the second screw rod; the bottom of the third screw 16 is provided with a driven belt wheel 18 which is sleeved outside the third screw 16 and is fixed with the third screw; a driven gear 19 is further sleeved and fixed at the bottom of the second screw 15, the driven gear 19 is meshed with a driving gear 20, a central rotating shaft of the driving gear 20 is connected with an output shaft of a second motor 21, and the second motor 21 is fixed inside the first storage box 2 and used for driving the driving gear 20 to rotate; the second motor 21 is a driving member of the lifting mechanism, and the second motor 21 is connected with the microprocessor 32.
Example 3:
in this embodiment, based on embodiment 1, the curtain suspension device further includes a second storage box 5, and the second storage box 5 is clamped to one side of the first storage box 2 through a clamping assembly; the lower end of the supporting plate 6 is in sliding connection with the second storage box 5 through a sliding mechanism; the lifting mechanism is fixed in the second storage box 5 and used for driving the supporting plate 6 to lift so as to change the hanging height of the projection curtain.
Further, the lifting mechanism comprises a rack 22 fixed on one side of the support plate 6, the rack 22 is meshed with a gear 23, a rotating shaft penetrating through the middle of the gear 23 is arranged in the middle of the gear 23, the rotating shaft is connected with the upper side of the second storage box 5 through a bearing, the central rotating shaft of the gear 23 is connected with an output shaft of a third motor 24, the third motor 24 is fixed on the second storage box 5, and the third motor 24 is connected with the microprocessor 32.
Further, the sliding mechanism comprises sliding blocks 25 fixed on the left side and the right side of the supporting plate 6, and the sliding blocks 25 are in sliding connection with sliding grooves 26 formed in the inner side wall of the second storage box 5.
Further, the clamping component comprises a clamping piece 36, a clamping groove 37, a first magnet 38 and a second magnet 39; the clamping piece 36 is fixed on a clamping groove 37 at one side of the second storage box 5 and is arranged at one side of the first storage box 2; a first magnet 38 fixed to the clip member 36; and a second magnet 39 magnetically attracted to the first magnet 38, wherein the second magnet 39 is fixed in the engaging groove 37.
Example 4:
this embodiment is based on embodiment 1, and the control system further includes an angle sensor 27 and a first distance sensor 28; an angle sensor 27 fixed to the first plate 3 for detecting a rotation angle of the first plate 3 with respect to the second plate 4; a first distance sensor 28 fixed to the second nut 13 for detecting a distance between the second nut 13 and the bottom of the first storage box 2;
the angle sensor 27 and the first distance sensor 28 are both connected with the microprocessor 32, the microprocessor 32 generates a control instruction according to data calculated by the calculation unit to start the second motor 21 of the lifting mechanism, the lifting mechanism drives the second plate body 4 to lift, after the second plate body 4 is lifted to a distance which needs to be lifted by the projector 1, the first distance sensor 28 fixed on the second nut 13 sends a signal to the microprocessor 32, and the microprocessor 32 controls the lifting mechanism to stop lifting after receiving the distance which meets a set distance;
the microprocessor 32 generates a control instruction according to the data calculated by the calculation unit to start the first motor 10 of the angle adjustment mechanism, the angle adjustment mechanism drives the first plate 3 to rotate around the second plate 4, the angle sensor 27 fixed on the first plate 3 sends a signal to the microprocessor 32, and the microprocessor 32 controls the angle adjustment mechanism to stop rotating after receiving the angle meeting the set angle.
Example 5:
this embodiment is based on embodiment 1, and the suspension assembly includes two telescopic mechanisms fixed as a whole, the telescopic mechanism includes a first sleeve 33; a second sleeve 34 is sleeved on the inner side of the first sleeve 33, and the second sleeve 34 is locked with the first sleeve 33 through a locking mechanism; the inner side of the second sleeve 34 is also sleeved with a third sleeve 35, and the third sleeve 35 is locked with the position of the second sleeve 34 through a locking mechanism.
The working principle is as follows:
when the portable projector device for marketing training teaching is used, the microprocessor 32 receives the position of the upper end of the supporting plate 6 sent by the first GPS positioning module 30 and the position of the projector 1 sent by the second GPS positioning module 31, and after the position of the upper end of the supporting plate 6 is obtained, the optimal projection range is met by determining the distance of the projector 1 needing to be lifted and the angle of the projector 1 needing to be rotated according to the position of the projector 1; the microprocessor 32 starts the lifting mechanism according to the distance to be lifted, the lifting mechanism drives the second plate body 4 to lift, after the second plate body 4 is lifted to the distance to be lifted of the projector 1, the first distance sensor 28 fixed on the second nut 13 sends a signal to the microprocessor 32, and the microprocessor 32 controls the lifting mechanism to stop lifting after receiving that the distance meets the set distance; the microprocessor 32 starts the angle adjusting mechanism according to the angle required to rotate, the angle adjusting mechanism drives the first plate body 3 to rotate around the second plate body 4, the angle sensor 27 fixed on the first plate body 3 sends a signal to the microprocessor 32, and the microprocessor 32 controls the angle adjusting mechanism to stop rotating after receiving the angle meeting the set angle.
In summary, the invention provides a portable projection device for marketing training and teaching, which is convenient to carry, can adjust a projection screen according to different training places and automatically adjust the height and the angle of a projector according to the position of the projection screen.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (7)
1. The utility model provides a portable projection arrangement of marketing training teaching which characterized in that includes:
a projection device, comprising:
a projector (1);
a first storage box (2) for storing the projector (1) therein;
the lifting mechanism is fixed in the first storage box (2) and used for driving the projector (1) to lift and adjust the height of the projector;
the angle adjusting mechanism is fixed on the lifting mechanism and used for adjusting the irradiation angle of the projector (1);
the curtain suspension device comprises a support plate (6), wherein a suspension assembly for suspending the projection curtain is fixed at the upper end of the support plate (6);
a control system, comprising:
the first GPS positioning module (30) is fixed at the upper end of the supporting plate (6);
the second GPS positioning module (31) is fixed on the side wall of the projector (1);
the computing unit is used for computing distance data required to be increased and angle data required to be rotated when the projector (1) reaches an optimal projection area according to the position signals sent by the first GPS positioning module (30) and the second GPS positioning module (31);
the microprocessor (32) is connected with the first GPS positioning module (30), the second GPS positioning module (31), the computing unit, a driving piece of the lifting mechanism and a driving piece of the angle adjusting mechanism; the microprocessor (32) generates a control command according to the data calculated by the calculation unit to start a driving part of the lifting mechanism and a driving part of the angle adjusting mechanism;
the control system further comprises:
the angle sensor (27) is fixed on the first plate body (3) and used for detecting the rotation angle of the first plate body (3) relative to the second plate body (4);
a first distance sensor (28) fixed to the second nut (13) for detecting a distance between the second nut (13) and the bottom of the first storage box (2);
the angle sensor (27) and the first distance sensor (28) are connected with the microprocessor (32), the microprocessor (32) generates a control instruction according to data calculated by the calculation unit to start the second motor (21) of the lifting mechanism, the lifting mechanism drives the second plate body (4) to lift, the first distance sensor (28) fixed on the second nut (13) sends a signal to the microprocessor (32) after the second plate body (4) is lifted to a distance which needs to be lifted by the projector (1), and the microprocessor (32) controls the lifting mechanism to stop lifting after receiving the distance which meets a set distance;
the microprocessor (32) generates a control instruction according to the data calculated by the calculation unit to start a first motor (10) of the angle adjusting mechanism, the angle adjusting mechanism drives the first plate body (3) to rotate around the second plate body (4), an angle sensor (27) fixed on the first plate body (3) sends a signal to the microprocessor (32), and the microprocessor (32) controls the angle adjusting mechanism to stop rotating after receiving the angle which meets the set angle;
the curtain suspension device further comprises:
the second storage box (5) is clamped on one side of the first storage box (2) through a clamping component; the lower end of the supporting plate (6) is connected with the second storage box (5) in a sliding manner through a sliding mechanism;
and the lifting mechanism is fixed in the second storage box (5) and used for driving the supporting plate (6) to lift so as to change the hanging height of the projection curtain.
2. The portable projection apparatus for marketing training and teaching of claim 1, wherein the angle adjustment mechanism comprises:
a first plate (3) for fixing the projector (1);
the left side of the second plate body (4) is hinged with the left side of the first plate body (3);
the left end and the right end of the first screw rod (7) are connected with a bearing seat (8) through a bearing, and the bearing seat (8) is fixed in a groove (9) formed in the second plate body (4);
the first motor (10) is fixed in a groove (9) formed in the second plate body (4), and an output shaft of the first motor (10) is connected with one end of the first screw (7); the first motor (10) is a driving part of an angle adjusting mechanism, and the first motor (10) is connected with the microprocessor (32);
a first nut (11) in threaded connection with the first screw (7);
and the upper end of the connecting rod (12) is hinged with the first plate body (3), and the other end of the connecting rod is hinged with the first nut (11).
3. The portable projection device for marketing training and teaching of claim 2, wherein the lifting mechanism comprises:
the second nut (13) is fixed on the left side of the second plate body (4);
the third nut (14) is fixed on the right side of the second plate body (4);
the second screw (15) is in threaded connection with the second nut (13), and the upper end and the lower end of the second screw are connected with the first storage box (2) through bearings;
the third screw (16) is in threaded connection with the third nut (14), and the upper end and the lower end of the third screw are also connected with the first storage box (2) through bearings;
the driving belt wheel (17) is sleeved at the bottom of the second screw (15) and is fixedly connected with the second screw (15);
the driven belt wheel (18) is sleeved at the bottom of the third screw (16) and is fixedly connected with the third screw (16);
the driven gear (19) is sleeved and fixed at the bottom of the second screw rod (15);
a drive gear (20) that meshes with the driven gear (19);
the second motor (21) is fixed inside the first storage box (2), and an output shaft of the second motor is connected with the driving gear (20) and used for driving the driving gear (20) to rotate; the second motor (21) is a driving part of the lifting mechanism, and the second motor (21) is connected with the microprocessor (32).
4. The portable projection device for marketing training teaching of claim 1 wherein the lifting mechanism comprises:
a rack (22) fixed on one side of the support plate (6);
the gear (23) is meshed with the rack (22), the middle part of the gear is provided with a rotating shaft penetrating through the gear, and the rotating shaft is connected with the upper side of the second storage box (5) through a bearing;
and the output of the third motor (24) is connected with the central rotating shaft of the gear (23), the third motor (24) is fixed on the second storage box (5), and the third motor (24) is connected with the microprocessor (32).
5. The portable projection device for marketing training teaching of claim 1 wherein the slide mechanism comprises:
sliders (25) fixed to left and right sides of the support plate (6);
and the sliding groove (26) is formed in the inner side wall of the second storage box (5) and is in sliding connection with the sliding block (25).
6. The portable projection device for marketing training and teaching of claim 1, wherein the suspension assembly comprises two integrally fixed telescoping mechanisms, the telescoping mechanisms comprising:
a first sleeve (33);
the second sleeve (34) is sleeved on the inner side of the first sleeve (33) and is locked with the position of the first sleeve (33) through a locking mechanism;
and the third sleeve (35) is sleeved on the inner side of the second sleeve (34) and is locked with the second sleeve (34) through a locking mechanism.
7. The portable projection device for marketing training teaching of claim 1 wherein the clip assembly comprises:
the clamping piece (36) is fixed on one side of the second storage box (5);
the clamping groove (37) is formed in one side of the first storage box (2);
a first magnet (38) fixed to the clip member (36);
and the second magnet (39) is magnetically attracted with the first magnet (38), and the second magnet (39) is fixed in the clamping groove (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277495.2A CN113031384B (en) | 2021-03-15 | 2021-03-15 | Portable projection arrangement of marketing training teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277495.2A CN113031384B (en) | 2021-03-15 | 2021-03-15 | Portable projection arrangement of marketing training teaching |
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| CN113031384A CN113031384A (en) | 2021-06-25 |
| CN113031384B true CN113031384B (en) | 2022-05-17 |
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| CN202110277495.2A Expired - Fee Related CN113031384B (en) | 2021-03-15 | 2021-03-15 | Portable projection arrangement of marketing training teaching |
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| CN113467165A (en) * | 2021-07-08 | 2021-10-01 | 广景视睿科技（深圳）有限公司 | Projection device |
| CN114779556A (en) * | 2022-04-20 | 2022-07-22 | 重庆工商大学 | Photographic self-adaptation background cloth is used in movie & TV preparation |
| CN115789450B (en) * | 2022-12-26 | 2023-07-21 | 上海芯龙光电科技股份有限公司 | Multimedia projection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008033116A (en) * | 2006-07-31 | 2008-02-14 | Ｎｅｃディスプレイソリューションズ株式会社 | Projector, position adjusting apparatus, and position adjusting method |
| CN110716383A (en) * | 2019-09-30 | 2020-01-21 | 深圳市火乐科技发展有限公司 | Integrated projector |
| CN111294579A (en) * | 2020-02-19 | 2020-06-16 | 母国标 | Method and system for aligning projection picture with curtain center |
| CN211827628U (en) * | 2020-05-26 | 2020-10-30 | 湖南化工职业技术学院（湖南工业高级技工学校） | Portable projecting apparatus of english teaching usefulness |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507466A (en) * | 2017-10-23 | 2017-12-22 | 成都环磊科技有限公司 | A kind of computer graphical instructional device |
| CN209436770U (en) * | 2018-11-21 | 2019-09-27 | 青岛同鑫创新实验室科技有限公司 | A kind of automatic control projection screen decoration picture frame |
| CN211149176U (en) * | 2019-12-24 | 2020-07-31 | 杭州华艺喷泉设备有限公司 | Underwater projection system |
-
2021
- 2021-03-15 CN CN202110277495.2A patent/CN113031384B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008033116A (en) * | 2006-07-31 | 2008-02-14 | Ｎｅｃディスプレイソリューションズ株式会社 | Projector, position adjusting apparatus, and position adjusting method |
| CN110716383A (en) * | 2019-09-30 | 2020-01-21 | 深圳市火乐科技发展有限公司 | Integrated projector |
| CN111294579A (en) * | 2020-02-19 | 2020-06-16 | 母国标 | Method and system for aligning projection picture with curtain center |
| CN211827628U (en) * | 2020-05-26 | 2020-10-30 | 湖南化工职业技术学院（湖南工业高级技工学校） | Portable projecting apparatus of english teaching usefulness |
Non-Patent Citations (2)
| Title |
|---|
| 中阶梯光栅光谱仪的光学设计;唐玉国等;《光学精密工程》;20100915(第09期);全文 * |
| 基于动态森林模型的人体运动建模方法;孙利;《计算机工程》;20161015(第10期);全文 * |
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