CN213582953U - Modular picture page turning screen - Google Patents

Abstract

The utility model discloses a modularized picture page turning screen, which relates to the technical field of advertising devices and comprises one or more modularized page turning units arranged in an array, wherein each page turning unit comprises a shell, a page turning piece, a page wheel, a rotating shaft, a synchronous belt, a synchronous wheel and a stepping motor; the two sides of the page turning sheet are respectively provided with a page wheel, the page wheels are arranged in the shell through rotating shafts, the page wheel on one side is connected with a synchronous wheel through a synchronous belt, and the synchronous wheel is fixedly arranged on an output shaft of the stepping motor; a PCB control module is arranged in or outside the shell, and the stepping motor is electrically connected with the PCB control module. The utility model discloses a synchronous belt drive has reduced mechanical noise when guaranteeing the precision, has reduced the cost and the volume of transmission structure, has improved narrow frame effect, through the nimble combination in the different quantity of modularization unit, not equidimension, different interval, different angle, all provides convenience for production, transportation, installation and maintenance.

Description

Modular picture page turning screen

Technical Field

The utility model relates to an advertising device technical field especially relates to a page turning screen is turned over to modularization picture.

Background

The mechanical page turning screen appears in front of the electronic dot matrix screen and is mainly used for displaying stock prices, airplane flights, train ranks, time information and the like. The display content is typically fixed english letters, numbers and symbols. The classical page turning screen drives the pages to turn by a motor driving gear set, and different contents are displayed by the combination of different page turning sheets. Compared with an electronic dot matrix screen, the page turning screen has better readability and visual angle under sunlight, does not need power consumption maintenance state when being static, and can emit unique swooshing sound when the blades turn, thereby having mechanical aesthetic feeling.

Most of the existing page turning screens and similar products still adopt a gear set transmission driving structure. The geared drive not only increases the cost and complexity of the system, but also occupies a large amount of structural space. This limits, on the one hand, the depth of the flip to a depth that cannot be too small, and, on the other hand, results in a very wide frame for the flip, since sufficient space is reserved on its sides for the gear train. In addition, the gear transmission has high requirements on the manufacturing and mounting precision of the gear; the gear transmission generates large noise and vibration.

The existing page turning screen and similar products thereof are mostly designed in an integrated way. The integrated design is difficult to adapt to more and more individual requirements, and for the page turning array with a large number of units, great difficulty is brought to the production, transportation, installation and maintenance of the page turning array.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, the utility model provides a page turning screen for modular pictures adopts synchronous belt drive, has reduced mechanical noise when guaranteeing the precision, has reduced the cost and the volume of transmission structure, has improved narrow frame effect, flexibly combines through different quantity of modularization unit, not equidimension, not interval, different angle, all provides convenience for production, transportation, installation and maintenance.

In order to achieve the above object, the utility model provides a page turning screen for modular pictures, which comprises one or more modular page turning units arranged in an array, wherein each page turning unit comprises a shell, a page turning piece, a page wheel, a rotating shaft, a synchronous belt, a synchronous wheel and a stepping motor; the two sides of the page turning sheet are respectively provided with the page wheel, the page wheel is arranged in the shell through the rotating shaft, the page wheel on one side is connected with the synchronous wheel through the synchronous belt, and the synchronous wheel is fixedly arranged on an output shaft of the stepping motor; and a PCB control module is arranged in or outside the shell, and the stepping motor is electrically connected with the PCB control module.

The PCB control module controls the stepping motor to rotate, and the synchronous wheel and the synchronous belt drive the page turning wheel to rotate so as to drive the page turning piece to turn.

As the utility model discloses an improvement, for improving the page turning precision, turn over page or leaf one side the page or leaf takes turns to and still is provided with magnet one, the shell corresponds the inboard of magnet one still is provided with hall angular position sensor, hall angular position sensor with the PCB control module electricity is connected.

As the utility model discloses an another kind of improvement, for improving the page turning precision, the one end of step motor's output shaft still is provided with magnet two, step motor corresponds the one side of magnet two still is provided with the angle sensor module, the angle sensor module with PCB control module electricity is connected.

As the utility model discloses a another kind of improvement, for improving the page turning precision, one side of step motor's output shaft still is provided with the coding dish, step motor corresponds the one side of coding dish still is provided with code wheel position sensor module, code wheel position sensor module with PCB control module electricity is connected.

As a further improvement of the utility model, for improving transmission efficiency, it makes still to be provided with the idler on the hold-in range is in the tensioning state, the inside idler bearing that sets up of idler and through the fixed axle with the shell is connected.

As another further improvement of the utility model, one or more than one leaf auxiliary wheel is arranged between the leaf wheels on the two sides. The page turning auxiliary wheel can provide more supporting points for a large-size page turning sheet, and the page turning sheet is prevented from falling off due to deformation.

As another kind of the utility model further improves, for providing auxiliary light source or realizing the atmosphere light effect, still be provided with LED lamp pearl module in the shell, LED lamp pearl module with PCB control module electricity is connected.

As another further improvement of the present invention, in order to facilitate power supply and/or communication, a power interface and/or a communication interface are further disposed in or outside the housing, and the power interface and/or the communication interface are electrically connected to the PCB control module.

As another further improvement of the utility model, for reducing the resistance, the pivot with still be provided with the pivot bearing between the shell, the pivot bearing with shell fixed connection, the leaf wheel passes through the pivot with the cooperation activity of pivot bearing sets up in the shell.

As another further improvement of the utility model, for making things convenient for the dismouting to maintain, shell upside, downside, left side, right side, the at least one side of rear side are provided with the fixed orifices, use the mounting to pass through fixed two are adjacent are connected to the fixed orifices turn over the page unit or will it fixes on arbitrary plane to turn over the page unit.

The utility model discloses a page turning screen is turned over to modularization picture has following beneficial effect.

Firstly, the utility model discloses a synchronous belt drive has reduced mechanical noise when guaranteeing the precision, has reduced the cost and the volume of transmission structure, has improved narrow frame effect.

Secondly, the utility model discloses a flexible combination in different quantity, not equidimension, different interval, different angle of modularization unit all provides convenience for production, transportation, installation and maintenance.

Thirdly, the utility model discloses a set up step motor's closed loop feedback, the turned angle and the position of dynamic calibration leaf wheel to improve the accuracy of turning over the page or leaf.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a page-turning screen of a modular picture according to an embodiment of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of a page turning unit according to an embodiment of the present invention.

Fig. 3 is a schematic side view of a page turning unit according to an embodiment of the present invention.

Fig. 4 is a schematic view of a local structure of a page turning unit adopting a magnet to cooperate with an angle sensor module according to an embodiment of the present invention.

Fig. 5 is an exploded view of a local structure of a page turning unit using a magnet in cooperation with an angle sensor module according to an embodiment of the present invention.

Fig. 6 is a schematic view of a local structure of a page turning unit using a code wheel cooperating with a code wheel positioning sensor module according to an embodiment of the present invention.

Fig. 7 is a circuit diagram of a PCB control module according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of a system control principle of the modular picture page turning screen according to an embodiment of the present invention.

The labels in the figure are: 1-page turning unit, 2-shell, 3-page turning sheet, 4-page wheel, 5-rotating shaft, 6-synchronous belt, 7-synchronous wheel, 8-stepping motor, 9-PCB control module, 10-magnet I, 11-Hall angle position sensor, 12-magnet II, 13-angle sensor module, 14-coding disc, 15-code disc positioning sensor module, 16-idle wheel, 17-idle wheel bearing, 18-fixed shaft, 19-page auxiliary wheel, 20-LED lamp bead module, 21-power interface, 22-communication interface, 23-rotating shaft bearing and 24-fixed hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that the embodiments described in this specification are only some of the preferred embodiments of the present invention, and not all embodiments. The drawings in the specification illustrate only the structures, proportions, and sizes of parts and components that are consistent with the present invention, for the understanding and reading of the same by those skilled in the art, and are not intended to limit the scope of the present invention. Any modification of the structure, change of the ratio or adjustment of the size of the obtained embodiments are all included in the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a page turning screen for modular pictures, which comprises one or more modular page turning units 1 arranged in an array, wherein each page turning unit 1 comprises a shell 2, a page turning piece 3, a page wheel 4, a rotating shaft 5, a synchronous belt 6, a synchronous wheel 7 and a stepping motor 8; the two sides of the page turning sheet 3 are respectively provided with the page wheel 4, the page wheel 4 is arranged in the shell 2 through the rotating shaft 5, the page wheel 4 on one side is connected with the synchronous wheel 7 through the synchronous belt 6, and the synchronous wheel 7 is fixedly arranged on an output shaft of the stepping motor 8; and a PCB control module 9 is arranged in or outside the shell 2, and the stepping motor 8 is electrically connected with the PCB control module 9.

Specifically, the PCB control module 9 controls the stepping motor 8 to rotate, and drives the blade wheel 4 to rotate through the synchronous wheel 6 and the synchronous belt 7, so as to drive the blade turning piece 3 to turn. The page wheel 4 is movably provided with a plurality of page turning sheets 3, and the adjacent surfaces of two adjacent page turning sheets 3 can form preset picture content up and down. Therefore, the rotation angle of the stepping motor 8 is controlled by the PCB control module 9, so that the display of different picture contents can be controlled. The page turning units 1 are arranged in different numbers, different sizes, different intervals and different angles, so that independent advertisement contents can be displayed in a split screen mode, and contents with larger breadth can be displayed in a linkage and combination mode. The modular design not only can meet various individualized display requirements, but also provides convenience for production, transportation, installation and maintenance.

Specifically, the timing belt 7 is preferably (but not limited to) a single-sided trapezoidal tooth timing belt. The utility model discloses a synchronous belt drive has reduced mechanical noise when guaranteeing the precision, has reduced the cost and the volume of transmission structure, has improved turn over page or leaf unit 1's narrow frame effect.

According to above-mentioned embodiment, for improving the page turning precision, the utility model discloses the improvement of making does: as shown in fig. 2 and 3, a first magnet 10 is further disposed on the blade wheel 4 on one side of the blade turning 3, a hall angle position sensor 11 is further disposed on the inner side of the housing 2 corresponding to the first magnet 10, and the hall angle position sensor 11 is electrically connected with the PCB control module 9. When the first magnet 10 rotates along with the sheet wheel 4 and passes through the position near the hall angle position sensor 11, the first magnet is sensed, and the PCB control module 9 further obtains an electric signal. The control algorithm can use the position of the first magnet 10 as a position angle reference point to calibrate the rotation angle of the point of the stepping motor 8.

According to the above-mentioned embodiment, for improving the page turning precision, the utility model discloses another kind of improvement that makes does: as shown in fig. 4 and 5, a second magnet 12 is further disposed at one end of the output shaft of the stepping motor 8, an angle sensor module 13 is further disposed on a surface of the stepping motor 8 corresponding to the second magnet 12, and the angle sensor module 13 is electrically connected to the PCB control module 9. And by combining the angle sensor module 13 and the PCB control module 9, the control algorithm can accurately calibrate and control the rotation angle of the stepping motor 8 by acquiring the rotation angle of the second magnet 12.

According to the above-mentioned embodiment, for improving the page turning precision, the utility model discloses another kind of improvement that makes does: as shown in fig. 6, an encoding disc 14 is further disposed on one side of the output shaft of the stepping motor 8, a code disc positioning sensor module 15 is further disposed on one surface of the stepping motor 8 corresponding to the encoding disc 14, and the code disc positioning sensor module 15 is electrically connected to the PCB control module 9. In combination with the code wheel positioning sensor module 15 and the PCB control module 9, the control algorithm can accurately calibrate and control the rotation angle of the stepping motor 8 by collecting the rotation angle of the code wheel 14.

According to the above embodiment, in order to improve the transmission efficiency, the utility model discloses a further improvement that makes is: as shown in fig. 2 and 3, the timing belt 6 is further provided with an idle pulley 16 to tension the timing belt 6, and an idle pulley bearing 17 is disposed inside the idle pulley 16 and connected to the housing 2 through a fixed shaft 18. The idler 16 is preferably, but not limited to, a toothed idler capable of being tooth-engaged with the inner periphery of the timing belt 6. The idler 16 acts to tension the timing belt 6, reducing shock and energy losses during its transmission.

According to the above embodiment, in order to provide more support points for the large-size page turning sheet, the utility model discloses a further improvement does: as shown in fig. 2, one or more auxiliary leaf wheels 19 are further disposed between the leaf wheels 4 on both sides, and the auxiliary leaf wheels 19 can prevent the leafing sheet 3 from falling off the leaf wheels 4 due to deformation.

According to the above-mentioned embodiment, for providing auxiliary light source or realizing the atmosphere light effect, the utility model discloses a further improvement that makes is: as shown in fig. 2 and 3, an LED lamp bead module 20 is further disposed in the housing 2, and the LED lamp bead module 20 is electrically connected to the PCB control module 9.

According to the above embodiment, in order to facilitate power supply and/or communication, the present invention provides a further improvement: as shown in fig. 2, a power interface 21 and/or a communication interface 22 are further disposed inside or outside the housing 2, and the power interface 21 and/or the communication interface 22 are electrically connected to the PCB control module 9.

According to the above embodiment, in order to reduce the resistance, the present invention provides a further improvement: as shown in fig. 2 and 3, a rotating shaft bearing 23 is further disposed between the rotating shaft 5 and the housing 2, the rotating shaft bearing 23 is fixedly connected with the housing 2, and the sheet wheel 4 is movably disposed in the housing 2 through the cooperation of the rotating shaft 5 and the rotating shaft bearing 23.

According to the above embodiment, in order to facilitate the disassembly, assembly and maintenance, the utility model discloses a further improvement that makes is: as shown in fig. 2 and 3, at least one side of the upper side, the lower side, the left side, the right side, and the rear side of the housing 2 is provided with a fixing hole 24, and two adjacent page turning units 1 are fixedly connected or the page turning units 1 are fixed on any plane by the fixing hole 24 using a screw and a nut. Therefore, the paging unit 1, individually or in combination, can satisfy various installation requirements: can be horizontally stacked, can be directly fixed on the wall surface, and can also be hung and installed on the top of a suspender or a suspension wire.

Specifically, as shown in fig. 7, a single chip microcomputer control module and a motor driving module are arranged on the PCB control module 9, the single chip microcomputer control module includes a single chip microcomputer IU1(STM32F103C8) and peripheral circuits thereof, and the motor driving module includes a motor driving chip IU2(DRV8825) and peripheral circuits thereof. The single chip microcomputer IU1(STM32F103C8) sends a control signal to the motor driving chip IU2(DRV8825), and the motor driving chip IU2(DRV8825) drives the stepping motor 8 to rotate through an interface JP 1. The single chip IU1(STM32F103C8) can acquire data of the hall angular position sensor 11, the angle sensor module 13, or the code wheel positioning sensor module 15 through an interface JP2, and monitor and correct the rotation angle of the stepping motor 8 in real time.

The single chip IU1(STM32F103C8) is connected with an external control single chip or an upper computer through JP3 and is used for establishing serial communication to receive control signals and output state data. The singlechip chip IU1(STM32F103C8) is connected with a communication bus through JP 4. Illustratively, the communication bus may be a CAN bus, an RS485 bus, an RS232 bus, an RS422 bus, or an ethernet bus, which is not limited in this embodiment. As shown in fig. 8, an external control unit or an upper computer performs instruction control on one or more single chip microcomputer chips IU1(STM32F103C8) of the picture page turning screen through a communication bus, that is, unified control on different page turning states of one or more page turning units 1 is performed, so that the page turning state and the imaging content of the picture page turning screen are accurately controlled.

The above-described embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent replacement, change and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a page turning screen is turned over to modularization picture, includes the modularization page turning unit of one or more array settings, its characterized in that: the page turning unit comprises a shell, a page turning sheet, a page turning wheel, a rotating shaft, a synchronous belt, a synchronous wheel and a stepping motor; the two sides of the page turning sheet are respectively provided with the page wheel, the page wheel is arranged in the shell through the rotating shaft, the page wheel on one side is connected with the synchronous wheel through the synchronous belt, and the synchronous wheel is fixedly arranged on an output shaft of the stepping motor; and a PCB control module is arranged in or outside the shell, and the stepping motor is electrically connected with the PCB control module.

2. The modular picture flip screen of claim 1, wherein: the page turning wheel on one side of the page turning piece is further provided with a first magnet, the inner side of the shell corresponding to the first magnet is further provided with a Hall angle position sensor, and the Hall angle position sensor is electrically connected with the PCB control module.

3. The modular picture flip screen of claim 1, wherein: one end of an output shaft of the stepping motor is further provided with a second magnet, one side of the stepping motor, corresponding to the second magnet, is further provided with an angle sensor module, and the angle sensor module is electrically connected with the PCB control module.

4. The modular picture flip screen of claim 1, wherein: and a coded disc is further arranged on one side of an output shaft of the stepping motor, a coded disc positioning sensor module is further arranged on one surface of the stepping motor, which corresponds to the coded disc, and the coded disc positioning sensor module is electrically connected with the PCB control module.

5. A modular picture flip screen according to any one of claims 1 to 4, wherein: the synchronous belt is also provided with an idler wheel to enable the synchronous belt to be in a tensioning state, and an idler wheel bearing is arranged in the idler wheel and connected with the shell through a fixed shaft.

6. A modular picture flip screen according to any one of claims 1 to 4, wherein: one or more leaf auxiliary wheels are also arranged between the leaf wheels at the two sides.

7. A modular picture flip screen according to any one of claims 1 to 4, wherein: still be provided with LED lamp pearl module in the shell, LED lamp pearl module with PCB control module electricity is connected.

8. A modular picture flip screen according to any one of claims 1 to 4, wherein: and a power interface and/or a communication interface are also arranged in or outside the shell and are electrically connected with the PCB control module.

9. A modular picture flip screen according to any one of claims 1 to 4, wherein: the hinge comprises a rotating shaft, a rotating shaft bearing and a leaf wheel, wherein the rotating shaft bearing is further arranged between the rotating shaft and the shell, the rotating shaft bearing is fixedly connected with the shell, and the leaf wheel is movably arranged in the shell through the matching of the rotating shaft and the rotating shaft bearing.

10. A modular picture flip screen according to any one of claims 1 to 4, wherein: at least one side of the upper side, the lower side, the left side, the right side and the rear side of the shell is provided with a fixing hole, and a fixing piece is used for connecting and fixing two adjacent page turning units through the fixing holes or fixing the page turning units on any plane.

Images