CN219758963U - Rotary display device for perspective letters - Google Patents
Rotary display device for perspective letters Download PDFInfo
- Publication number
- CN219758963U CN219758963U CN202321171518.2U CN202321171518U CN219758963U CN 219758963 U CN219758963 U CN 219758963U CN 202321171518 U CN202321171518 U CN 202321171518U CN 219758963 U CN219758963 U CN 219758963U
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- letter
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- display device
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 abstract description 4
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Abstract
The utility model provides a rotary display device for perspective letters, which comprises a letter rotating assembly and a spotlight assembly, wherein the letter rotating assembly comprises a rotating device above and a letter model below, the rotating device is provided with a brushless direct current speed reduction motor, the rotating device is used for providing rotary power for the letter model through a rotating shaft, the spotlight assembly is provided with a spotlight for irradiating the letter model, and the letter model respectively presents A, B, O projections in three set angle directions. The utility model has novel structure, convenient operation, labor and time saving, higher reliability, high technological content, novel interaction form, and combines artistic and popular science organically, and visitors can intuitively experience the perspective phenomenon. When the audience enters the sensing area, the light is automatically lightened, the letter model rotates, and three kinds of projections are sequentially displayed on the projection screen plate, so that the audience feels the charm of the magic letters.
Description
Technical Field
The utility model relates to a display device, in particular to a rotary display device for perspective letters.
Background
Perspective is a drawing term, and is a basic method for reproducing a three-dimensional object image on a two-dimensional plane, and is also called as far-near method because perspective phenomenon is far-small and near-large. The first research perspective is to take a method of looking at a scene through a transparent plane, and accurately draw the scene to be seen on the plane, so as to form a perspective view of the scene. The science of displaying the spatial position, contour and projection of an object with lines on a planar frame according to certain principles is then called perspective. The phenomenon can be represented by the display device for science popularization education of the phenomenon, wherein the phenomenon is different from the same object in different angles.
Disclosure of Invention
The utility model provides a rotary display device for perspective letters, which solves the problem that the obtained contents are different when the same object is watched at different angles, and the technical scheme is as follows:
the utility model provides a rotatory display device of perspective letter, includes letter rotation subassembly, shot-light subassembly, the letter rotation subassembly includes the rotary device of top and the letter model of below, rotary device is provided with brushless direct current gear motor, provides the rotatory power of letter model through the axis of rotation, shot-light subassembly is provided with the shot-light that shines the letter model, the letter model presents A, B, O three kinds of projections respectively at the angle direction of three settlement.
The letter rotating assembly and the upper part of the spotlight assembly are arranged on the transverse support, the side face of the letter rotating assembly and the upper part of the spotlight assembly are provided with a projection curtain plate, the transverse support is fixedly connected with the projection curtain plate, and the projection curtain plate is used for receiving projection of the spotlight to the letter model.
The letter model is 3D printed, the letter model is driven to rotate through the rotating device, the shot-light irradiates the letter model, the projection of the letter model is on the projection screen plate, and A, B, O projections are respectively displayed in three set angle directions.
The transverse bracket is also provided with a microwave radar inductive switch, and the microwave radar inductive switch is connected with the spotlight component and the rotating device through an electronic switch and controls the starting and the closing of the spotlight component and the rotating device.
The rotating device comprises a mounting frame, wherein the mounting frame is used for fixing a brushless direct current gear motor and a bearing fixing seat, the bearing fixing seat is used for fixing a deep groove ball bearing, and the upper end of the rotating shaft penetrates through the deep groove ball bearing and is connected with the brushless direct current gear motor through an aluminum alloy rigid coupler.
The top of mounting bracket and transverse support fixed connection, the outside is provided with the dustcoat, and the dustcoat is used for covering brushless direct current gear motor, aluminum alloy rigid coupling, bearing fixing base and deep groove ball bearing.
The brushless direct current gear motor is fixed on the side face of the mounting frame through an inner hexagonal socket head cap screw, and the bearing fixing seat is fixedly connected with the mounting frame through an inner hexagonal countersunk head screw.
The spot lamp assembly comprises a mounting rod, an adjusting rod and a spot lamp which are sequentially connected, and the upper end of the mounting rod is fixedly connected with the transverse bracket.
The adjusting rod can extend into the mounting rod, holes with different heights are designed in the adjusting rod, and the side face of the adjusting rod is fixed through the connecting screw.
The front end of the spotlight is provided with a shading plate.
The rotary display device for perspective letters provided by the utility model has the advantages of novel product structure, convenience in operation, labor and time saving, higher reliability, high technological content, novel interaction form, and capability of visually experiencing perspective phenomenon by organically combining artistry and science popularization. When the audience enters the sensing area, the microwave radar sensing switch is turned on, the light is automatically lightened, letters are rotated, and A, B, O projections are sequentially displayed on the projection screen plate, so that the audience can feel the charm of the magic letters.
Drawings
FIG. 1 is a schematic diagram of a rotary display device of the perspective letters;
FIG. 2 is a schematic diagram of the structure of the perspective letter;
FIG. 3 is a schematic diagram of the installation of the perspective letter;
FIG. 4 is a schematic view of the spot light assembly;
the reference numerals in the drawings: 1-a letter rotation assembly; 2-a microwave radar inductive switch; 3-spotlight assembly; 4-electronic switch; 5-mounting frames; 6-hexagon socket head cap screw; 7-a brushless direct current speed reduction motor; 8-aluminum alloy rigid coupling; 9-bearing holders; 10-an outer cover; 11-deep groove ball bearings; 12-an internal hexagonal countersunk head screw; 13-rotating shaft; 14-hexagonal nuts; 15-a cylindrical head screw; 16-letter model; 17-internal hexagonal pan head screw; 18-mounting a rod; 19-connecting screws; 20-adjusting the rod; 21-spot lamp; 22-a light shielding plate.
Detailed Description
As shown in FIG. 1, the utility model provides a rotary display device for perspective letters, which displays scientific principles and scientific knowledge of optical perspective to visitors in an electromechanical model interaction mode. The rotary display device for the perspective letters comprises a letter rotating assembly 1, a spotlight assembly 3 and a projection screen plate, wherein a transverse bracket is arranged on the projection screen plate, the letter rotating assembly 1 and the spotlight assembly 3 are arranged on the transverse bracket, the letter rotating assembly 1 is close to one side of the projection screen plate, and the spotlight assembly 3 is far away from one side of the projection screen plate.
The letter rotating assembly 1 is provided with a letter model 16 printed in a 3D mode, when the positions of the models are different, after the lamp light of the spotlight assembly 3 irradiates the models, along with the rotation of the letter model 16 of the letter rotating assembly 1, the letters respectively present A, B, O three projections in three specific angle directions, so that shadows projected on a projection screen plate are respectively letters A, B, O, and visitors can intuitively experience perspective.
The microwave radar induction switch 2 is further mounted on the transverse support, the microwave radar induction switch 2 is connected with the spotlight assembly through the electronic switch 4, the spotlight assembly 3 is located between the microwave radar induction switch 2 and the letter rotation assembly 1, and the electronic switch 4 is mounted at the bottom of the projection screen plate. The microwave radar induction switch 2 is used for inducing a human body, when a spectator enters an induction area, the microwave radar induction switch 2 is turned on, an on signal is sent to the letter rotation assembly 1 and the spotlight assembly 3 through the electronic switch 4, the light of the spotlight assembly 3 is turned on, the letter model 16 of the letter rotation assembly 1 rotates, and projection of the letter model 16 can be watched on the projection screen plate. When the audience leaves the sensing area, the microwave radar sensing switch 2 is turned off, a turn-off signal is sent to the letter rotating component 1 and the spotlight component 3 through the electronic switch 4, the light of the spotlight component 3 is turned off, and the letter model 16 of the letter rotating component 1 stops rotating.
As shown in fig. 2 and 3, the letter rotating assembly 1 comprises an upper rotating device and a lower letter model, wherein the rotating device comprises a mounting frame 5, a brushless direct-current gear motor 7, an aluminum alloy rigid coupling 8, a bearing fixing seat 9 and a deep groove ball bearing 11. The top and the horizontal support fixed connection of mounting bracket 5, the outside is provided with dustcoat 10, and dustcoat 10 is used for covering brushless direct current gear motor 7, aluminum alloy rigid coupling 8, bearing fixing base 9 and deep groove ball bearing 11, dustcoat 10 is fixed on mounting bracket 5 through hexagonal pan head screw 17 in as shown in fig. 3, the bottom of mounting bracket 5 is provided with the trompil that is used for passing axis of rotation 13.
The brushless direct current gear motor 7 is fixed on the side face of the mounting frame 5 through the hexagon socket head cap screw 6, the mounting frame 5 plays a role in fixing the brushless direct current gear motor 7, and the brushless direct current gear motor 7 plays a role in rotation. The deep groove ball bearing 11 is arranged on the bearing fixing seat 9, and the bearing fixing seat 9 is fixedly connected with the mounting frame 5 through the inner hexagonal countersunk head screw 12. The upper end of the rotating shaft 13 passes through the deep groove ball bearing 11 and is connected with the brushless direct current gear motor 7 through the aluminum alloy rigid coupling 8, the aluminum alloy rigid coupling 8 plays a role in connecting and transmitting torque, and the deep groove ball bearing 11 plays a supporting role.
The lower end of the rotating shaft 13 is fixedly connected with the letter model 16, the joint is fixed through a hexagon socket head cap screw 15 and a hexagon nut 14, the rotating power is transmitted to the letter model 16 through the brushless direct current gear motor 7, the aluminum alloy rigid coupling 8 and the rotating shaft 13, and the motion state of the letter model 16 is controlled by controlling the rotating speed and the rotating angle of the brushless direct current gear motor 7.
As shown in fig. 4, the spotlight assembly 3 comprises a mounting rod 18, an adjusting rod 20, a spotlight 21 and a light shielding plate 22 which are sequentially connected, the upper end of the mounting rod 18 is fixedly connected with a transverse bracket, and the adjusting rod 20 is fixedly connected with the mounting rod 18 through a connecting screw 19. Further, the adjusting rod 20 can extend into the mounting rod 18, the side surface of the mounting rod 18 is provided with holes, holes with different heights are designed on the adjusting rod 20, the holes correspond to the holes, the side surface is fixed through screwing in the connecting screw 19, and the mounting height can be adjusted, so that the adjustment of the mounting height of the spotlight assembly can be realized. The up-down height of shot-light 21 is adjusted through adjusting pole 20, shot-light 21 front end is provided with light screen 22 for play the shading effect to shot-light 21.
When the electronic switch is used, the electronic switch 4 collects information of the external microwave radar induction switch 2, outputs signals, controls the spot lamp of the spot lamp assembly to be lighted, is arranged in the 3D printed letter model in the middle of the spot lamp and the projection panel, and controls the stepping motor to rotate according to a specified angle by the stepping driver, so that images of different letters are displayed at different specified angles.
The magic letter of the utility model has novel product structure, convenient operation, labor and time saving, higher reliability, high technological content and novel interaction form, and organically combines artistry and science popularization; the visitor can intuitively experience the perspective phenomenon. When the audience enters the sensing area, the microwave radar sensing switch is turned on, the light is automatically lightened, the letters rotate, and A, B, O projections are displayed on the projection screen plate. The spectator is made to feel the charm of the magic letters.
Claims (10)
1. A rotary display device for perspective letters, which is characterized in that: the novel letter lamp comprises a letter rotating assembly and a spotlight assembly, wherein the letter rotating assembly comprises a rotating device and a letter model, the rotating device is provided with a brushless direct-current gear motor, the rotating device is used for providing power for the rotation of the letter model through a rotating shaft, the spotlight assembly is provided with a spotlight for illuminating the letter model, and the letter model respectively presents A, B, O projections in three set angle directions.
2. The rotary display device for perspective letters according to claim 1, wherein: the letter rotating assembly and the upper part of the spotlight assembly are arranged on the transverse support, the side face of the letter rotating assembly and the upper part of the spotlight assembly are provided with a projection curtain plate, the transverse support is fixedly connected with the projection curtain plate, and the projection curtain plate is used for receiving projection of the spotlight to the letter model.
3. The rotary display device for perspective letters according to claim 2, wherein: the letter model is 3D printed, the letter model is driven to rotate through the rotating device, the shot-light irradiates the letter model, the projection of the letter model is on the projection screen plate, and A, B, O projections are respectively displayed in three set angle directions.
4. The rotary display device for perspective letters according to claim 2, wherein: the transverse bracket is also provided with a microwave radar inductive switch, and the microwave radar inductive switch is connected with the spotlight component and the rotating device through an electronic switch and controls the starting and the closing of the spotlight component and the rotating device.
5. The rotary display device for perspective letters according to claim 1, wherein: the rotating device comprises a mounting frame, wherein the mounting frame is used for fixing a brushless direct current gear motor and a bearing fixing seat, the bearing fixing seat is used for fixing a deep groove ball bearing, and the upper end of the rotating shaft penetrates through the deep groove ball bearing and is connected with the brushless direct current gear motor through an aluminum alloy rigid coupler.
6. The rotary display device for perspective letters according to claim 5, wherein: the top of mounting bracket and transverse support fixed connection, the outside is provided with the dustcoat, and the dustcoat is used for covering brushless direct current gear motor, aluminum alloy rigid coupling, bearing fixing base and deep groove ball bearing.
7. The rotary display device for perspective letters according to claim 5, wherein: the brushless direct current gear motor is fixed on the side face of the mounting frame through an inner hexagonal socket head cap screw, and the bearing fixing seat is fixedly connected with the mounting frame through an inner hexagonal countersunk head screw.
8. The rotary display device for perspective letters according to claim 1, wherein: the spot lamp assembly comprises a mounting rod, an adjusting rod and a spot lamp which are sequentially connected, and the upper end of the mounting rod is fixedly connected with the transverse bracket.
9. The rotary display device for perspective letters according to claim 8, wherein: the adjusting rod can extend into the mounting rod, holes with different heights are designed in the adjusting rod, and the side face of the adjusting rod is fixed through the connecting screw.
10. The rotary display device for perspective letters according to claim 8, wherein: the front end of the spotlight is provided with a shading plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321171518.2U CN219758963U (en) | 2023-05-16 | 2023-05-16 | Rotary display device for perspective letters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321171518.2U CN219758963U (en) | 2023-05-16 | 2023-05-16 | Rotary display device for perspective letters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219758963U true CN219758963U (en) | 2023-09-26 |
Family
ID=88075187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321171518.2U Active CN219758963U (en) | 2023-05-16 | 2023-05-16 | Rotary display device for perspective letters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219758963U (en) |
-
2023
- 2023-05-16 CN CN202321171518.2U patent/CN219758963U/en active Active
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