LOGO projection device

Abstract

According to the LOGO projection device provided by the invention, the motor driving unit drives the first motor assembly and the second motor assembly to operate, the lamp bead driving unit drives the projection lamp to operate, the first motor assembly drives the rotating mounting disc to rotate, the second motor assembly drives the rotating gear on the rotating mounting disc to rotate, and the projection sheet is driven to rotate. The timing unit collects the starting time of each unit in the control module and sends an electric signal after a preset certain time, the main control unit stops the operation of each unit, the closing of each unit is controlled in a timing manner, in addition, the timing unit can send an electric signal to the main control unit after the preset time, so that a certain unit is started, and the time of the main control unit is shortened. And the 433 wireless remote control unit receives wireless signals to realize on-off of the wireless signal timing control device of the mobile phone, so that a corresponding projection sheet is projected at preset time, and the use convenience of the projection device is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of projection lamps, in particular to a LOGO projection device. BACKGROUND

[0002] A projection lamp is a device that uses optical principles to project images onto walls, screens or other planes to produce visual effects. In order to display their own LOGO, some existing shopping malls, entertainment venues, etc. usually use projection lamps to project onto projection sheets with LOGO, and the projected light projects the LOGO pattern on the wall or the ground.

[0003] The existing projection device projects the content on the projection sheet, and the projection time cannot be controlled. It is necessary to manually power off at the predetermined time to realize the function of timed projection, which affects the use effect of projection. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the application is that the existing projection device projects the content on the projection sheet, and the projection time cannot be controlled. It is necessary to manually power off at the predetermined time to realize the function of timed projection, which affects the use effect of projection.

[0005] In order to solve the above technical problem or at least partially solve the above technical problem, the application provides a LOGO projection device.

[0006] The utility model discloses a LOGO projection device, it includes control module, projection lamp, first motor assembly, second motor assembly, rotary mounting disc,

[0007] The rotary mounting disc is provided with mounting positions, rotating gears and projection sheets. The number of mounting positions is matched with the number of projection sheets. One mounting position is provided with one rotating gear and one projection sheet. The projection sheet is fixedly connected with the rotating gear.

[0008] The rotary mounting disc is connected with the first motor assembly and the second motor assembly. The first motor assembly drives the rotary mounting disc to rotate. The second motor assembly drives the rotating gear to rotate.

[0009] The control module includes a main control unit, a motor drive unit, a lamp bead drive unit, a timing unit and a 433 wireless remote control unit. The main control unit is connected with the motor drive unit, the lamp bead drive unit, the 433 wireless remote control unit and the timing unit.

[0010] The lamp bead driving unit is connected with the projection lamp, the motor driving unit is connected with the first motor assembly and the second motor assembly respectively, the 433 wireless remote control unit is connected with external equipment, and the timing unit is used for collecting starting time of each unit.

[0011] Preferably, the first motor assembly comprises a first motor, a first conveying belt and a first driving gear, the first motor is connected with the first driving gear, and the first driving gear is connected with the first conveying belt.

[0012] The second motor assembly comprises a second motor, a second conveying belt and a second driving gear, the second motor is connected with the second driving gear, and the second driving gear is connected with the second conveying belt.

[0013] Preferably, the rotating installation disc comprises a connecting piece, a rotating disc driving gear and a rotating driving gear, the rotating disc driving gear is connected with the first driving gear through the first conveying belt, the rotating driving gear is connected with the second driving gear through the second conveying belt, the rotating driving gear is engaged with the rotating gear, and the connecting piece is installed on an installation site.

[0014] The rotating gear comprises a gear part and a rotating part, the gear part and the rotating part are integrally formed, the gear part is engaged with the rotating driving gear, and the rotating part is connected with the connecting piece.

[0015] Preferably, the rotating installation disc comprises a connecting piece, a rotating disc driving gear and a rotating driving gear, the rotating disc driving gear is connected with the first driving gear through the first conveying belt, the rotating driving gear is connected with the second driving gear through the second conveying belt, the rotating driving gear is engaged with the rotating gear, and the connecting piece is installed on an installation site.

[0016] The first motor assembly and the second motor assembly are arranged on the same side surface of the rotating installation disc, an opening is arranged on the installation support, and the projection lamp, the projection lens and the opening are arranged on the same straight line.

[0017] The control module is fixedly connected with the installation support.

[0018] Preferably, the installation support comprises a fixed shaft, and the rotating installation disc is connected with the fixed shaft.

[0019] The rotating disc driving gear and the rotating driving gear are installed on the fixed shaft, and the rotating disc driving gear and the rotating driving gear are sequentially stacked.

[0020] Preferably, the rotating installation disc is provided with a magnetic element, and a Hall sensor is arranged on the installation support, the Hall sensor senses magnetic field change of the magnetic element.

[0021] Preferably, the control module comprises a magnetic sensing unit, which is electrically connected with the Hall sensor.

[0022] Preferably, the control module comprises a power supply unit, which is connected with the master control unit, and supplies power to each unit of the control module.

[0023] Preferably, the control module comprises a 485 signal transmission unit and a Bluetooth wireless connection unit, and the master control unit is connected with the 485 signal transmission unit and the Bluetooth wireless connection unit respectively.

[0024] Preferably, the shell comprises a first shell, a second shell and a peripheral shell, the first shell and the second shell are installed at two ends of the peripheral shell, and a containing space is formed in the first shell, the peripheral shell and the first shell.

[0025] The projection lamp is arranged on the first shell, the mounting bracket is arranged on the first shell, and the projection lens is arranged on the second shell.

[0026] Compared with the prior art, the above technical solution provided in the application has the following advantages:

[0027] The LOGO projection device provided in the application comprises a motor driving unit, a lamp bead driving unit, a first motor assembly, a second motor assembly, a rotating mounting disc, a projection film, a control module, a 433 wireless remote control unit and a timing unit.

[0028] Further, the LOGO projection device is provided with a rotating mounting disc on which a plurality of projection films are placed, and the rotating mounting disc is rotated under the cooperation of the first motor assembly and the second motor assembly, so that the projection film can be adjusted, and the rotation of the projection content of the projection film can be realized, thereby realizing the function of projecting a plurality of projection films by one projection device, replacing the projection content of the projection film and increasing the diversity of projection. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, those skilled in the art can obtain other drawings from these drawings without any creative effort.

[0031] Figure 1 A structural schematic diagram of a LOGO projection device provided by the present application Figure 1 ;

[0032] Figure 2 A structural schematic diagram of a LOGO projection device provided by the present application Figure 2 ;

[0033] Figure 3 An exploded structural schematic diagram of a LOGO projection device provided by the present application

[0034] Figure 4 A structural schematic diagram of a LOGO projection device provided by the present application

[0035] Figure 5 A structural schematic diagram of a LOGO projection device provided by the present application

[0036] Figure 6 A connection structural schematic diagram of a LOGO projection device provided by the present application

[0037] Figure 7 A structural schematic diagram of a LOGO projection device provided by the present application

[0038] Figure 8 An exploded structural schematic diagram of a LOGO projection device provided by the present application

[0039] Figure 9 An exploded structural schematic diagram of a LOGO projection device provided by the present application

[0040] Figure 10 A module diagram of a control module of a LOGO projection device provided by the present application

[0041] Figure 11A circuit diagram of a power supply unit of a LOGO projection device provided in the present application;

[0042] Figure 12 A circuit diagram of a main control unit of a LOGO projection device provided in the present application;

[0043] Figure 13 A circuit diagram of a motor driving unit of a LOGO projection device provided in the present application;

[0044] Figure 14 A circuit diagram of a lamp bead driving unit of a LOGO projection device provided in the present application;

[0045] Figure 15 A circuit diagram of a timing unit of a LOGO projection device provided in the present application;

[0046] Figure 16 A circuit diagram of a magnetic sensing unit of a LOGO projection device provided in the present application;

[0047] Figure 17 A circuit diagram of a 485 signal transmission unit of a LOGO projection device provided in the present application;

[0048] Figure 18 A circuit diagram of a 433 wireless remote control unit of a LOGO projection device provided in the present application.

[0049] BRIEF DESCRIPTION OF DRAWINGS

[0050] 1. A LOGO projection device;

[0051] 11. A first motor assembly; 111, a first motor; 112, a first driving gear; 113, a first conveying belt;

[0052] 12. A second motor assembly; 121, a second motor; 122, a second driving gear; 123, a second conveying belt;

[0053] 13. A rotating mounting disc;

[0054] 131, a mounting position; 132, a rotating gear; 1321, a gear part; 1322, a rotating part; 133, a projection sheet; 134, a rotating disc driving gear; 135, a rotating driving gear; 1351, a rotating gear part; 1352, a driving gear part; 136, a connecting piece; 137, a magnetic element;

[0055] 14. A projection lamp;

[0056] 15. A projection lens;

[0057] 16, housing; 161, first housing; 162, second housing; 163, peripheral shell; 164, heat dissipation assembly;

[0058] 17, mounting bracket; 171, first mounting bracket; 172, second mounting bracket; 173, fixing shaft; 174, Hall sensor; 175, opening;

[0059] 18, control module; 181, power supply unit; 182, main control unit; 183, motor driving unit; 184, lamp bead driving unit; 185, timing unit; 186, magnetic sensing unit; 187, 485 signal transmission unit; 188, Bluetooth wireless connection unit; 189, 433 wireless remote control unit. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in conjunction with the drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0061] Reference Figures 1-18 The utility model discloses a LOGO projection device, it includes first motor assembly, second motor assembly, rotation mounting disc, sets up installation site, rotation gear, at least two projection sheets on rotation mounting disc, the installation site sets up the quantity with the projection sheet quantity matches, a rotation gear and a projection sheet are set up on a installation site, the projection sheet with rotation gear fixed connection, rotation mounting disc connects first motor assembly with second motor assembly respectively, first motor assembly drives rotation mounting disc autorotation, second motor assembly drives rotation gear autorotation.

[0062] Specifically, the first motor assembly is used for driving the rotation mounting disc to autorotate, the second motor assembly is used for driving the rotation gear on the rotation mounting disc to autorotate, so that the projection sheet autorotates, the rotation gear is installed on the installation site, and the center of the rotation gear is hollowly arranged, and the projection sheet is installed at the center of the rotation gear.

[0063] It can be understood that the LOGO projection device is placed with multiple projection sheets through the rotation mounting disc, and the rotation mounting disc is rotated under the cooperation of the first motor assembly and the second motor assembly, the projection sheet can be adjusted, the rotation of the projection content of the projection sheet can also be realized, the function that one projection device projects multiple projection sheets is realized, the projection content of the projection sheet is replaced, and the diversity of projection is increased.

[0064] As an embodiment, the mounting positions provided on the rotating mounting disc can be provided in plurality, one slide is placed on one mounting position, the slides placed on any two mounting positions can be the same content or different content, in the embodiment, the rotating mounting disc is provided with four mounting positions, but the number of the rotating mounting disc is not limited to the number provided in the embodiment, and can be set according to the specific circumstances, such as 2, 3 or more than 4.

[0065] The first motor assembly comprises a first motor, a first transmission belt and a first drive gear, the first motor is connected with the first drive gear, the first transmission belt is connected with the first drive gear, the second motor assembly comprises a second motor, a second transmission belt and a second drive gear, the second motor is connected with the second drive gear, the second transmission belt is connected with the second drive gear.

[0066] Specifically, the first motor drives the first drive gear to rotate, the first motor provides driving force for the first drive gear, thereby driving the rotating mounting disc to rotate around the central shaft, the second motor provides driving force for the second drive gear, thereby driving the rotating gear and the slide on the rotating mounting disc to rotate, the first motor assembly and the second motor assembly are provided on the same side of the rotating mounting disc.

[0067] The rotating mounting disc comprises a connecting piece, a rotating disc drive gear and a rotating drive gear, the rotating disc drive gear is connected with the first drive gear through the first transmission belt, the rotating drive gear is connected with the second drive gear in meshing, the rotating drive gear is connected with the rotating gear through the second transmission belt, and the connecting piece is installed on the mounting position.

[0068] Specifically, the rotating disc drive gear and the rotating drive gear are coaxial and concentric, the rotating disc drive gear and the rotating drive gear are provided on one side of the rotating mounting disc, the rotating disc drive gear is driven by the first drive gear through the first transmission belt, the rotating drive gear is driven by the second drive gear through the second transmission belt, the connecting piece is annular and embedded in the mounting position, one connecting piece is fixedly installed on one mounting position of the rotating mounting disc, the rotating gear is installed on the connecting piece, and the rotating gear rotates on the connecting piece.

[0069] The rotating drive gear comprises a rotating tooth part and a driving tooth part, the rotating tooth part and the driving tooth part are integrally formed, the rotating tooth part is provided on one side of the driving tooth part, the rotating tooth part is engaged with the rotating gear, and the driving tooth part is connected with the second transmission belt to obtain driving force from the second transmission belt, thereby driving the rotating tooth part to rotate, and driving the rotating gear and the slide to rotate.

[0070] In particular, the first transmission belt and the second transmission belt are provided with teeth, which match the teeth of the rotating disc drive gear and the teeth of the rotating drive gear.

[0071] The rotating gear comprises a gear part and a rotating part, the gear part is integrally formed with the rotating part, the gear part is engaged with the rotating driving gear, and the rotating part is connected with the connecting piece.

[0072] Specifically, the outer diameter of the gear part is larger than that of the rotating part, the gear part is used for engaging with the rotating driving gear, the rotating part is installed in the connecting piece in the installation position, the connecting piece is fixed on the rotating installation disc, the connecting piece is hollow, the inner wall surface of the connecting piece is in contact with the outer surface of the rotating part, the inner wall surface of the connecting piece is matched with the outer surface of the rotating part, both of them are provided with clamping structures to avoid the rotating gear from falling off the connecting piece, the rotating gear is hollow, the projection slide is arranged at the middle position of the rotating gear, the rotating driving gear drives the rotating gear to rotate, so that the rotating gear and the projection slide rotate on the installation position.

[0073] The LOGO projection device comprises a projection lamp and a projection lens, the projection lamp and the projection lens are on the same straight line, and one installation position on the rotating installation disc is on the straight line.

[0074] Specifically, the projection lamp is used for generating light source, the projection lens adopts a lens, the projection slide is arranged between the projection lamp and the projection lens, and the light emitted by the projection lamp passes through the projection slide and the projection lens. In order to make the projection slide between the projection lamp and the projection lens, the installation position needs to be adjusted to the straight line where the projection lamp and the projection lens are located, so that the content on the projection slide on the installation position is projected.

[0075] Further, a lampshade is arranged on the projection lamp, the lampshade can protect the projection lamp and avoid damage to the projection lamp, and in addition, the lampshade can additionally have a lens, so that the light of the projection lamp can be concentrated in one direction.

[0076] The LOGO projection device comprises a housing, an installation support, the first motor assembly and the second motor assembly, and the rotating installation disc, which are arranged on the installation support.

[0077] The installation support comprises a fixed shaft, the rotating installation disc is connected with the fixed shaft, the rotating disc driving gear and the rotating driving gear are installed on the fixed shaft, and the rotating disc driving gear and the rotating driving gear are sequentially stacked.

[0078] Specifically, the first motor and the second motor are installed on the installation support, the fixed shaft faces the projection lens, the rotating disc driving gear, the rotating driving gear and the rotating installation disc are sequentially arranged on the fixed shaft, the rotating disc driving gear is fixedly connected with the fixed shaft, the fixed shaft is fixedly connected with the rotating installation disc, so that the fixed shaft moves together with the rotating installation disc, the rotating driving gear can drive the fixed shaft to move, thereby driving the rotating installation disc to move, and a bearing is arranged between the rotating driving gear and the fixed shaft, so that the rotating driving gear avoids rotating together with the fixed shaft.

[0079] It can be understood that the fixed shaft is relatively static with the rotating installation disc, the fixed shaft is provided with a bearing at one end of the installation rotating drive gear, the inner ring of the bearing is connected with the fixed shaft, and the outer ring is connected with the rotating drive gear, so that the rotating drive gear rotates on the rotating installation disc, the rotating drive gear is engaged with the rotating gear, the driving force of the second motor is transmitted to the rotating gear through the second drive gear and the rotating drive gear, so that the projection film on the rotating gear rotates in the installation position. The rotating disc drive gear is fixedly connected with the fixed shaft to drive the rotating installation disc to rotate, that is, the rotating disc drive gear and the rotating installation disc rotate coaxially, and the first drive gear provides driving force for the rotation of the rotating disc drive gear and the rotating installation disc.

[0080] The mounting bracket is provided with an opening, the position of the opening matches the position of the projection lamp, so that the projection lamp, the projection lens and the opening are on the same straight line, the mounting bracket is avoided from shielding light, the light of the projection lamp passes through the mounting bracket, the projection film and the projection lens, and is projected to the outside of the device.

[0081] The housing includes a first shell, a second shell and an outer peripheral shell, the first shell and the second shell are installed at two ends of the outer peripheral shell, the first shell, the outer peripheral shell and the first shell form a containing space, the first motor assembly, the second motor assembly, the rotating installation disc and the projection film are installed in the containing space, the projection lamp is arranged on the first shell, the mounting bracket is arranged on the first shell, and the projection lens is arranged on the second shell.

[0082] Specifically, the mounting bracket is arranged in the housing, the housing has a containing space composed of the outer peripheral shell, the first shell and the second shell, the first motor assembly, the second motor assembly and the rotating installation disc are arranged in the containing space, the projection lamp is also arranged in the containing space, the projection lens is arranged on the second shell, and a lens barrel where the projection lens is arranged passes through the second shell.

[0083] As an embodiment, the housing is provided with a heat dissipation assembly, the heat dissipation assembly is arranged on the outer surface of the first shell, and the heat dissipation assembly includes a heat dissipation fan and heat dissipation fins, so as to accelerate the temperature reduction in the housing and avoid high temperature in the device.

[0084] The LOGO projection device includes a control module, the control module is connected with the first motor assembly, the second motor assembly, the projection lamp and the heat dissipation assembly respectively, and the control module is fixedly connected with the mounting bracket.

[0085] Specifically, the mounting bracket is provided with a mounting plate, and the control module is fixed to the mounting bracket through the mounting plate, and the control module comprises a power supply unit, a main control unit, a motor driving unit, a lamp bead driving unit, a timing unit, a magnetic sensing unit, a 485 signal transmission unit, a Bluetooth wireless connection unit and a 433 wireless remote control unit, the main control unit is connected with the power supply unit, the motor driving unit, the lamp bead driving unit, the timing unit, the magnetic sensing unit and the connection unit respectively, the motor driving unit is connected with the first motor assembly and the second motor assembly respectively, the lamp bead driving unit is connected with the projection lamp, the main control unit is connected with the heat dissipation assembly, the main control unit controls the heat dissipation assembly to start and stop, and the 433 wireless remote control unit can receive wireless signals of 433MHz frequency band, can obtain signals sent by devices such as mobile phones and remote controllers, the 485 signal transmission unit is used for wired signal transmission with external devices, and the Bluetooth wireless connection unit is used for Bluetooth connection with electronic devices such as mobile phones.

[0086] Specifically, the motor driving unit drives the first motor assembly and the second motor assembly to operate, the lamp bead driving unit drives the projection lamp to operate, the first motor assembly drives the rotating mounting disc to rotate, the second motor assembly drives the rotating gear on the rotating mounting disc to rotate, and drives the projection sheet to rotate, the timing unit collects the starting time of each unit in the control module, sends an electric signal after a predetermined time, and the main control unit stops the operation of each unit, so that the closing of each unit is controlled in a timing manner, in addition, the timing unit can send an electric signal to the main control unit to start a certain unit after a predetermined time, so that the function of starting in a timing manner is realized, the 433 wireless remote control unit receives wireless signals, realizes the opening and closing of the mobile phone wireless signal timing control device, and projects corresponding projection sheets at a predetermined time, thereby improving the use convenience of the projection device.

[0087] The power supply unit comprises a 5V voltage stabilizing unit and a 3.3V voltage stabilizing unit, the 5V voltage stabilizing unit is connected with the 3.3V voltage stabilizing unit, the power supply unit is connected with an external power supply, and 12V-40V is accessed, the 5V voltage stabilizing unit provides a stable 5V power supply for the whole system, and the 3.3V voltage stabilizing unit provides a 3.3V power supply for the motor driving unit. The power supply unit comprises a chip U6, a chip U3 and a chip U7, the model number of the chip U6 is 6602, the model number of the chip U3 is 78L05_C6718414, and the model number of the chip U7 is AMS1117, the 5V voltage stabilizing unit comprises the chip U6 and the chip U3, the chip U3 outputs a 5V voltage stabilizing power supply, and the 3.3V voltage stabilizing unit comprises the chip U7, and the chip U7 outputs a 3.3V voltage stabilizing power supply.

[0088] The main control unit controls the opening and closing of each unit through signals. The main control unit includes a chip U9, an interface P4, an interface P6, and an interface P5. The chip U9 is connected to the interface P4 and the interface P6. The interface P4 is connected to the Bluetooth wireless connection unit, and the interface P6 is connected to the timing unit. The chip U9 is of the N32G430C8T6 type. The interface P4 is a 5-terminal interface. The first port is grounded. The second port is connected to the PA3 port of the chip U9. The third port is connected to the PA2 port of the chip U9. The fourth port is connected to the 3.3V voltage stabilizing unit. The fifth port is connected to the PA1 port of the chip U9. The interface P6 is a 5-terminal interface. The first port is connected to the PA0 port of the chip U9. The second port is connected to the PC15 port of the chip U9. The third port is connected to the PC14 port of the chip U9. The fourth port is grounded. The fifth port is connected to the 3.3V voltage stabilizing unit. The interface P5 is a 3-terminal interface. The second port is connected to the PB9 port of the chip U9.

[0089] The motor driving unit provides power for the first motor and the second motor. The motor driving unit controls the speed, start, and stop of the motor through signals transmitted by the main control unit. The motor driving unit includes a chip U5 and a chip U4. The chip U4 controls the second motor, and the chip U5 controls the first motor. The chip U4 and the chip U5 are of the 8550 type. The second port of the chip U5 is connected to the PD13 port of the chip U9. The third port is connected to the PB3 port of the chip U9. The fourth port is connected to the PA15 port of the chip U9. The PD13 port of the chip U9 controls the start and stop of the first motor. The PA15 port and the PD13 port control the speed and direction of the first motor. The second port of the chip U4 is connected to the PB6 port of the chip U9. The third port is connected to the PB5 port of the chip U9. The fourth port is connected to the PB4 port of the chip U9. The PB6 port of the chip U9 controls the start and stop of the second motor. The PB4 port and the PB5 port of the chip U9 control the speed and direction of the second motor.

[0090] The lamp bead driving unit is connected to the projection lamp and provides power for the projection lamp. It can control the brightness of the projection lamp. The lamp bead driving unit includes a chip U10 and an interface P12. The chip U10 is of the OC5011B type. The third port of the chip U10 is connected to the PA11 port of the chip U9. The interface P12 is connected to the projection lamp and transmits signals and provides power for the projection lamp.

[0091] Timing unit is connected with the main control unit, for calculating the projection lamp lighting time or other equipment running time, can let mobile phone and other electronic devices can time control projection lamp, timing unit includes chip U1 and interface H1, chip U1 model is DS1302IDRG, chip U1 fifth end, sixth end, seventh end connects the third end, fourth end, fifth end of interface H1, interface H1 is connected with interface P6, the first end, second end, third end, fourth end, fifth end of interface H1 is connected with the fifth end, fourth end, third end, second end, first end of interface P6 respectively, make timing unit and main control unit signal transmission.

[0092] The rotating installation disc is provided with a magnetic element, the mounting bracket is provided with a Hall sensor, the Hall sensor senses the magnetic field change of the magnetic element, judges the position and rotation condition of the current magnetic element, and the position of the magnetic element is judged to obtain the current projection content, so that the position of the corresponding projection sheet is adjusted for projection. The magnetic sensing unit adopts chip U1 and interface U2, the model of chip U1 is A3144E-JSM, the third end is connected with the second end of interface U2, interface U2 is connected with interface P5 and signal transmission.

[0093] As an embodiment, the rotating gear or connecting piece is provided as a magnetic element, the rotating condition of the rotating installation disc and the rotating condition of each installation position are judged by sensing the magnetic element on the rotating installation disc, in addition, the rotating gear or connecting piece adopts a magnetic element, which can enhance the connection stability on the rotating disc.

[0094] The Bluetooth wireless connection unit is connected with the P4 interface of the main control unit, and the Bluetooth wireless connection unit is used for Bluetooth connection with mobile phones and other electronic devices, so that the device can transmit signals through the Bluetooth connection mode.

[0095] The 485 signal transmission unit is connected with the main control unit, and the 485 signal transmission unit is used for communication with external devices, and the RS-485 protocol has more advantages in long-distance and high-reliability wired communication. The 485 signal transmission unit includes chip U12 and interface P10, the first end of chip U12 is connected with the PA10 end of chip U9, the second end and the third end of chip U12 are connected with the PA8 of chip U9, the fourth end of chip U12 is connected with the PA9 of chip U9, chip U12 is connected with interface P10, interface P10 is connected with external devices for signal communication based on 485 protocol.

[0096] The 433 wireless remote control unit is connected with the main control unit, and the 433 wireless remote control unit uses high sensitivity receiving-115dBm wireless signal, including chip U14, the fifth end of chip U14 is connected with the PC13 end of chip U9, and the wireless signal is transmitted to the main control unit, so as to carry out a series of processes such as projection content change and rotation speed adjustment.

[0097] In the above embodiments, the description of each embodiment is focused on, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0098] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0099] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0100] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be connected, or it can be detachable, or it can be integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0101] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and inclined upward of the first feature above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical and inclined downward of the first feature below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0102] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0103] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are intended to be included within the scope of the claims of the present application and equivalents thereof. Therefore, the present application is also intended to include these modifications and variations.

[0104] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A LOGO projection device, characterized by, The control module, the projection lamp, the first motor assembly, the second motor assembly, and the rotating installation disc are included. The rotating installation disc is provided with installation sites, rotating gears, and projection films. The rotating installation disc is connected to the first motor assembly and the second motor assembly. The control module includes a main control unit, a motor drive unit, a lamp bead drive unit, a timing unit, and a 433 wireless remote control unit. The lamp bead drive unit is connected to the projection lamp.

2. The LOGO projector according to claim 1, characterized in that, The first motor assembly includes a first motor, a first transmission belt, and a first drive gear. The second motor assembly includes a second motor, a second transmission belt, and a second drive gear.

3. The LOGO projector according to claim 2, characterized in that, The rotating installation disc includes a connecting piece, a rotating disc drive gear, and a rotating drive gear. The rotating gear includes a gear part and a rotating part.

4. The LOGO projector according to claim 3, characterized in that, The control module and the mounting bracket are fixedly connected. The mounting bracket includes a fixed shaft. The rotating disc drive gear and the rotating drive gear are installed on the fixed shaft.

5. The LOGO projector device according to claim 4, characterized in that, The rotating installation disc is provided with a magnetic element, and the mounting bracket is provided with a Hall sensor. The control module includes a magnetic sensing unit.

6. The LOGO projector device according to claim 5, characterized in that, The magnetic sensing unit is electrically connected to the Hall sensor.

7. The LOGO projector device according to claim 6, characterized in that, ​ 8. The LOGO projector according to claim 1, wherein The control module comprises a power supply unit connected with the main control unit, which supplies power to each unit of the control module.

9. The LOGO projector according to claim 1, wherein The control module comprises a 485 signal transmission unit and a Bluetooth wireless connection unit, and the main control unit is connected with the 485 signal transmission unit and the Bluetooth wireless connection unit respectively.

10. The LOGO projection device according to claim 4, characterized in that, The shell comprises a first shell, a second shell and a peripheral shell, the first shell and the second shell are installed at two ends of the peripheral shell, and the first shell, the peripheral shell and the first shell form a containing space, and the first motor assembly, the second motor assembly, the rotating installation disc and the projection lens are installed in the containing space. The projection lamp is arranged on the first shell, the mounting bracket is arranged on the first shell, and the projection lens is arranged on the second shell.

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