CN112419906A - Rotary driving device and LED lamp strip rotary imaging equipment - Google Patents
Rotary driving device and LED lamp strip rotary imaging equipment Download PDFInfo
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Abstract
The invention provides a rotary driving device and LED lamp strip rotary imaging equipment, wherein the rotary driving device comprises a motor for driving an LED lamp strip to rotate, a control board for controlling the LED lamp strip to work, a receiving coil for receiving electromagnetic energy to supply power to the LED lamp strip, a transmitting coil for transmitting the electromagnetic energy to the receiving coil and a wireless transmitting board for controlling the transmitting coil; the motor comprises a stator and a rotor rotatably arranged in the stator, a transmitting coil and a receiving coil are respectively arranged into flat coils, the receiving coil and the transmitting coil are respectively arranged around the rotor, and the transmitting coil and the receiving coil are parallel and arranged at intervals. In the process of wireless power supply, because the transmitting coil and the receiving coil are integrated and arranged on the rotor part of the motor, a strong eddy current effect cannot be generated in the whole motor, the problem caused by eddy current heating in the motor is avoided, the energy loss in the process of wireless power supply is reduced, the distance between the transmitting coil and the receiving coil is shortened, and the wireless transmission efficiency of electromagnetic energy is improved.
Description
Technical Field
The invention belongs to the technical field of POV-based imaging display, and particularly relates to a rotary driving device and LED lamp strip rotary imaging equipment.
Background
Currently, various new imaging display technologies are developed, and one of them is a dynamic display technology based on the Light Emitting Diode (LED) rotation imaging of POV (persistence of vision) technology. For example, in an LED strip rotary imaging apparatus, LEDs having ultra-high density are assembled on a strip-shaped FPC (Flexible Printed Circuit Board) or PCB (Printed Circuit Board), and a 3D visual effect is generated by persistence of vision of human eyes during high-speed rotation.
The LED lamp strip rotary imaging equipment generally needs to adopt a driving motor combined with a wireless power supply device to supply power to the LED lamp strip load rotating at a high speed of 360 degrees so as to ensure that the LED lamp strip rotary imaging equipment can normally work. At present, the wireless power supply device that rotatory imaging equipment in LED lamp area used, the periphery of whole driving motor is located to the cover in proper order from inside to outside with tube-shape transmitting coil and tube-shape receiving coil. The structure can generate a stronger eddy current effect in the driving motor, easily causes eddy current heating of the driving motor to cause faults, simultaneously reduces wireless power supply efficiency, increases energy loss in a wireless power supply process, and has great influence on the working stability and reliability of the LED lamp strip rotary imaging equipment.
Disclosure of Invention
An objective of the present invention is to provide a rotation driving device, so as to solve the problems that a wireless power supply device applied to an LED strip rotation imaging device in the prior art generates a strong eddy current effect in a driving motor, is easy to damage the driving motor, and increases energy loss.
In order to achieve the above object, the present invention adopts a technical solution that a rotary driving device is provided, including a motor for driving an LED strip to rotate, a control board for controlling the LED strip to operate, a receiving coil for receiving electromagnetic energy to supply power to the LED strip, a transmitting coil for transmitting the electromagnetic energy to the receiving coil, and a wireless transmitting board for controlling the transmitting coil; the motor comprises a stator and a rotor which is rotatably arranged in the stator, the transmitting coil and the receiving coil are respectively arranged into flat coils, the transmitting coil is arranged around the rotor, the receiving coil is arranged around the rotor, and the transmitting coil and the receiving coil are arranged in parallel and at intervals; the wireless transmitting plate is fixed on the stator, and the transmitting coil is connected with the wireless transmitting plate; the control panel is connected with the rotor, and the receiving coil is connected with the control panel.
Furthermore, one side of the receiving coil, which is far away from the transmitting coil, is provided with a first magnetic isolation plate for magnetic shielding, and one side of the transmitting coil, which is far away from the receiving coil, is provided with a second magnetic isolation plate for magnetic shielding.
Furthermore, the receiving coil comprises a first single-layer coil and two first wiring terminals, the first single-layer coil is annularly wound by a single enameled wire from inside to outside, the two first wiring terminals are led out from the first single-layer coil, and one surface, far away from the transmitting coil, of the first single-layer coil is fixed on the first magnetism isolating plate.
Furthermore, the transmitting coil comprises a second single-layer coil and two second wiring terminals, the second single-layer coil is annularly wound by a single enameled wire from inside to outside, the two second wiring terminals are led out from the second single-layer coil, and one surface, far away from the receiving coil, of the second single-layer coil is fixed on the second magnetism isolating plate.
Furthermore, the first magnetism isolating plate and the second magnetism isolating plate are parallel and opposite to each other, the area of the first magnetism isolating plate is larger than that of the receiving coil, and the area of the second magnetism isolating plate is larger than that of the transmitting coil.
Furthermore, the rotation driving device further comprises a plurality of support columns for supporting the transmitting coil on one side of the stator close to the receiving coil, one end of each support column is fixed on the wireless transmitting plate, and the other end of each support column is connected with the transmitting coil.
Furthermore, the rotary driving device further comprises a ring plate for supporting and fixing the transmitting coil, the ring plate is rotatably sleeved outside the rotor so that the rotor can rotate relative to the ring plate, and the other end of each strut is connected with the ring plate.
Further, the wireless transmitting plate is installed at one end, far away from the transmitting coil, of the stator.
Further, the receiving coil and the transmitting coil are arranged in mirror symmetry.
The invention also aims to provide LED lamp strip rotary imaging equipment, so as to solve the problems that a wireless power supply device applied to the LED lamp strip rotary imaging equipment in the prior art can generate a strong eddy current effect in a driving motor, easily causes damage to the driving motor and increases energy loss.
In order to achieve the above purpose, the invention adopts a technical scheme that an LED strip rotation imaging device is provided, which comprises the rotation driving device.
The LED lamp strip rotary imaging equipment and the rotary driving device provided by the invention have the beneficial effects that: compared with the prior art, the rotation driving device disclosed by the invention realizes wireless transmission of electromagnetic energy by oppositely arranging the transmitting coil and the receiving coil so as to wirelessly supply power to the LED lamp belt load in high-speed rotation. Because the flat transmitting coil and the flat receiving coil are used, the eddy current effect is generated only in a small range of the rotor, and the strong eddy current effect cannot be generated in the motor, so that the fault caused by the eddy current heating in the motor is avoided, and the energy loss in the wireless power supply process is reduced. In addition, the distance between the transmitting coil and the receiving coil is shortened, and the magnetic induction coupling strength of the transmitting coil and the receiving coil is enhanced, so that the transmission efficiency of electromagnetic energy between the transmitting coil and the receiving coil is improved, the output power of the wireless power supply device is increased, and the working stability and reliability of the LED lamp strip rotary imaging equipment are enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a rotation driving device according to an embodiment of the present invention;
fig. 2 is a side view of a rotation driving device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a top view of a rotation driving device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a receiving coil of a rotary driving apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a transmitting coil of a rotary driving apparatus according to an embodiment of the present invention.
Wherein, in the drawings, the reference numerals are mainly as follows:
1-a motor; 11-a stator; 12-a rotor; 2-a control panel;
3-a receiving coil; 31-a first single layer coil; 32-a first terminal;
4-a transmitting coil; 41-a second single layer coil; 42-a second terminal;
5-a wireless transmitting board; 6-a first magnetism isolating plate; 7-a second magnetic isolation plate;
8-a pillar; 9-ring plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to fig. 3, a rotation driving apparatus according to an embodiment of the present invention will be described. The rotary driving device provided by the embodiment of the invention comprises a motor 1 for driving the LED lamp strip to rotate, a control board 2 for controlling the LED lamp strip to work, a receiving coil 3 for receiving electromagnetic energy to supply power to the LED lamp strip, a transmitting coil 4 for transmitting the electromagnetic energy to the receiving coil 3 and a wireless transmitting board 5 for controlling the transmitting coil 4, wherein the electromagnetic energy transmission is realized through the transmitting coil 4 and the receiving coil 3 based on the electromagnetic resonance principle, so that the wireless power supply is realized. The motor 1 comprises a stator 11 and a rotor 12 rotatably arranged in the stator 11, a transmitting coil 4 and a receiving coil 3 are respectively arranged into flat coils, the transmitting coil 4 is arranged around the rotor 12, the receiving coil 3 is arranged around the rotor 12, and the transmitting coil 4 and the receiving coil 3 are parallel and arranged at intervals; the wireless transmitting plate 5 is fixed on the stator 11, and the transmitting coil 4 is connected with the wireless transmitting plate 5; the control board 2 is connected to the rotor 12, and the receiving coil 3 is connected to the control board 2. Then when motor 1 drive LED lamp area high-speed rotatory, realize electromagnetic energy's wireless transmission through setting up transmitting coil 3 and receiving coil 4 relatively to carry out wireless power supply to LED lamp area load in the high-speed rotation.
The basic working principle of the rotary driving device provided by the invention is as follows: when the LED lamp belt rotary imaging device works, electromagnetic energy is transmitted through the transmitting coil 4 and the receiving coil 3 based on the transmission of wireless power supply energy of the electromagnetic resonance principle, and the electromagnetic energy received by the receiving coil 3 is supplied to an LED lamp belt load on the LED lamp belt rotary imaging device through the control circuit integrated on the control panel 2. Specifically, the wireless transmitting board 5 integrated with the wireless power supply circuit converts the input direct current into alternating current with a certain frequency through the wireless power supply circuit, and when the frequency of the alternating current is the same as the natural frequency of the transmitting loop and the receiving loop, a resonance state is achieved, strong coupling of a magnetic field is achieved, and wireless transmission of electromagnetic energy is achieved. Because the size of receiving electromagnetic energy by receiving coil 3 is confirmed by the load condition that has LED lamp area load, so the load size is different, and the receiving electromagnetic energy of receiving coil 3 also can not be the same. The wireless transmitting board 5 integrated with the wireless transmitting control circuit obtains whether the end of the receiving coil 3 has a load or not by detecting the electrical parameters of the transmitting coil 4, and then judges and controls the working state of the transmitting coil 4, so that the transmitting coil 4 automatically works in a standby state when the end of the receiving circuit has no load so as to reduce energy consumption, the control of the transmitting circuit along with the change of the load is realized, and the energy loss is reduced. The control circuit integrated on the control board 2 and the wireless control board 2 integrated with the wireless power supply circuit and the wireless transmission control circuit are conventional technologies known to those skilled in the art, and are not described herein again.
Compared with the prior art, the rotary driving device provided by the invention has the advantages that the flat receiving coil 3 for receiving electromagnetic energy to supply power to the LED lamp strip is sleeved on the rotor 12 of the motor 1, and the flat transmitting coil 4 for transmitting the electromagnetic energy to the flat receiving coil 3 is arranged on the stator 11 of the motor 1, so that the flat transmitting coil 4 and the flat receiving coil 3 which are oppositely arranged realize wireless transmission of the electromagnetic energy, and the LED lamp strip load in high-speed rotation is wirelessly supplied with power. In the wireless power supply process, the flat transmitting coil 4 and the flat receiving coil 3 are integrated on the rotor 12 part of the motor 1, so that an eddy current effect is generated only in a small range of the rotor 12 part of the motor 1, a strong eddy current effect cannot be caused on the whole motor 1, the eddy current of the motor 1 is prevented from heating to cause faults, and the energy loss in the wireless power supply process is reduced. Moreover, the flat transmitting coil 4 and the flat receiving coil 3 are integrated on the rotor 12 of the motor 1, so that the distance between the transmitting coil 4 and the receiving coil 3 is shortened, and the strength of magnetic induction coupling between the transmitting coil 4 and the receiving coil 3 is enhanced, thereby improving the transmission efficiency of electromagnetic energy between the transmitting coil 4 and the receiving coil 3, further increasing the output power of the rotary driving device, enhancing the working stability and reliability of the LED lamp strip rotary imaging equipment, and reducing the volume of the LED lamp strip rotary imaging equipment.
Preferably, referring to fig. 2, as a specific implementation manner of the rotation driving apparatus provided by the embodiment of the present invention, the receiving coil 3 and the transmitting coil 4 are arranged in mirror symmetry, that is, the receiving coil 3 and the transmitting coil 4 have the same shape and size, and the receiving coil 3 and the transmitting coil 4 are arranged in parallel and opposite to each other, so that the receiving coil 3 and the transmitting coil 4 are aligned with each other at a small distance, thereby achieving efficient transmission of electromagnetic energy and greatly reducing generation of eddy current.
Further, referring to fig. 1 and fig. 2 together, as a specific implementation of the rotation driving apparatus provided in the embodiment of the present invention, a first magnetic shielding plate 6 is disposed on a side of the receiving coil 3 away from the transmitting coil 4 for magnetic shielding, and a second magnetic shielding plate 7 is disposed on a side of the transmitting coil 4 away from the receiving coil 3 for magnetic shielding.
In this embodiment, a first magnetism isolating plate 6 is arranged on one side of the receiving coil 3 away from the transmitting coil 4, and a second magnetism isolating plate 7 is arranged on one side of the transmitting coil 4 away from the receiving coil 3, so that through the magnetism blocking effect of the first magnetism isolating plate 6 and the second magnetism isolating plate 7, on one hand, the magnetism induction lines are effectively prevented from scattering, and thus the magnetism induction lines of the coupling magnetic field are gathered between the transmitting coil 4 and the receiving coil 3, the efficient transmission of electromagnetic energy is realized, and the output power of the rotary driving device is increased; on the other hand, the generation of the eddy current effect is effectively reduced, the eddy current effect is prevented from generating heat to damage the LED lamp strip rotary imaging equipment, and the energy loss in the power supply process is reduced.
Specifically, the first and second magnetic barriers 6 and 7 are made of magnetic ferrite. Of course, the first and second magnetic shield plates 6 and 7 in the present embodiment may be replaced with a magnetic shield film or a magnetic shield sheet made of ferrite. The second magnetism isolating plate 7 can be replaced by a soft magnetic sheet (alloy magnetic powder is added into plastic or rubber and then is processed and molded), the material is soft, the thickness is very thin, and the magnetism isolating sheet can be punched according to the shape and the size of the magnetism isolating sheet required by a wireless charging scheme.
Further, referring to fig. 4 together, as a specific implementation manner of the rotation driving apparatus provided by the embodiment of the present invention, the receiving coil 3 includes a first single-layer coil 31 annularly wound from inside to outside by using a single enameled wire, and two first terminals 32 led out from the first single-layer coil 31, and one surface of the first single-layer coil 31 away from the transmitting coil 4 is fixed on the first magnetism isolating plate 6.
In this embodiment, the receiving coil 3 is configured as a first single-layer coil 31 having two first terminals 32, the flat first single-layer coil 31 and the first magnetic shield 6 are combined in a large area, and the specific saturation magnetic density and large cross section of the first magnetic shield 6 (made of ferrite) are used to reduce the magnetic conductivity, so that the influence of the bias current can be effectively reduced, the purpose of maximally utilizing the magnetic induction energy is achieved, the efficient transmission of the electromagnetic energy is realized, and the output power of the rotary driving device is increased.
Further, referring to fig. 5, as a specific implementation manner of the rotation driving apparatus provided by the embodiment of the present invention, the transmitting coil 4 includes a second single-layer coil 41 annularly wound from inside to outside by using a single enameled wire, and two second terminals 42 led out from the second single-layer coil 41, and one side of the second single-layer coil 41 away from the receiving coil 3 is fixed on the second magnetic shield 7.
In this embodiment, the transmitting coil 4 is configured as a second single-layer coil 41 having two second terminals 42, the flat second single-layer coil 41 and the second magnetic shield 7 are combined in a large area, and the specific saturation magnetic density and large cross section of the second magnetic shield 7 (made of ferrite) are used to reduce the magnetic conductivity, so that the influence of the bias current can be effectively reduced, the purpose of maximally utilizing the magnetic induction energy is achieved, the efficient transmission of the electromagnetic energy is realized, and the output power of the rotary driving device is increased.
Further, referring to fig. 1 and fig. 2, as a specific implementation manner of the rotation driving device according to the embodiment of the present invention, the first magnetic isolation plate 6 and the second magnetic isolation plate 7 are disposed in parallel and opposite to each other, and the area of the first magnetic isolation plate 6 is larger than the area of the receiving coil 3, and the area of the second magnetic isolation plate 7 is larger than the area of the transmitting coil 4.
In this example, the first magnetic isolation plate 6 and the second magnetic isolation plate 7 are parallel and opposite to each other, the area of the first magnetic isolation plate 6 is larger than that of the receiving coil 3, and the area of the second magnetic isolation plate 7 is larger than that of the transmitting coil 4, so as to better prevent the magnetic induction lines from scattering, realize efficient transmission and utilization of electromagnetic energy, increase the output power of the rotary driving device, reduce the generation of an eddy current effect, and reduce the energy loss in the power supply process.
Preferably, referring to fig. 1 and fig. 2 together, as a specific implementation manner of the rotation driving device provided in the embodiment of the present invention, the first magnetic isolation plate 6 and the second magnetic isolation plate 7 are arranged in mirror symmetry, so as to improve the effect of preventing the magnetic induction lines from scattering.
Further, referring to fig. 1 and fig. 2, as a specific implementation of the rotation driving device according to the embodiment of the present invention, the rotation driving device further includes a plurality of support pillars 8 for supporting the transmitting coil 4 on a side of the stator 11 close to the receiving coil 3, one end of each support pillar 8 is fixed on the wireless transmitting plate 5, and the other end of each support pillar 8 is connected to the transmitting coil 4.
In this embodiment, the plurality of support columns 8 are arranged on the wireless transmitting plate 5, and the transmitting coil 4 is supported on the side of the stator 11 close to the receiving coil 3 through the plurality of support columns 8, so that the distance between the transmitting coil 4 and the receiving coil 3 is shortened, and the strength of magnetic induction coupling between the transmitting coil 4 and the receiving coil 3 is enhanced, thereby improving the transmission efficiency of electromagnetic energy between the transmitting coil 4 and the receiving coil 3, and further increasing the output power of the rotary driving device. Simultaneously, support transmitting coil 4 in stator 11 through a plurality of pillars 8 and be close to receiving coil 3 one side, also increased the distance between receiving coil 3 and the wireless transmitting board 5, be favorable to wireless transmitting board 5 and transmitting coil 4's heat dissipation, avoid wireless transmitting board 5 and transmitting coil 4 to burn out the damage because of the heat gathering can not in time distribute away, influence the reliable and stable nature of rotary drive device power supply.
Further, referring to fig. 1 and fig. 2, as an embodiment of the rotation driving device provided by the embodiment of the present invention, the rotation driving device further includes a ring plate 9 supporting and fixing the transmitting coil 4, the ring plate 9 is rotatably sleeved on an outer side of the rotor 12 so that the rotor 12 can rotate relative to the ring plate 9, and the other end of each of the pillars 8 is connected to the ring plate 9.
In this embodiment, the ring plate 9 is rotatably sleeved outside the rotor 12, and the transmitting coil 4 is supported and fixed on the ring plate 9, so that the transmitting coil 4 is uniformly stressed, the mounting stability of the transmitting coil 4 is enhanced, and the phenomenon that the mechanical vibration of the motor 1 during operation causes the abrasion and cracking of a paint film of the transmitting coil 4 to cause turn-to-turn short circuit and affect the stability of wireless power supply is avoided.
Preferably, the rotary drive device further comprises a bearing (not shown) for rotatably connecting the annular plate 9 and the rotor 12, an inner ring of the bearing is sleeved on the outer circumferential surface of the rotor 12, and an outer ring of the bearing is connected with the annular plate 9. The ring plate 9 is rotatably arranged on the rotor 12 through a bearing, so that the interference of the ring plate 9 on the rotation of the rotor 12 is avoided, and the stability and the smoothness of the rotation of the rotor 12 are improved.
Further, referring to fig. 1 and fig. 2 together, as a specific implementation manner of the rotation driving apparatus provided in the embodiment of the present invention, the wireless transmitting plate 5 is installed at an end of the stator 11 away from the transmitting coil 4, so as to prevent heat generated by the motor 1 during operation from affecting or even damaging electrical components on the wireless transmitting plate 5.
Further, referring to fig. 1, fig. 2 and fig. 3 together, as a specific implementation of the rotation driving device provided by the embodiment of the present invention, a through hole for the rotor 12 to pass through is provided at a middle position of the control board 2, and the control board 2 is sleeved on an end of the rotor 12 away from the stator 11, so as to reduce a volume of the rotation driving device, so that the LED strip rotation imaging apparatus tends to be miniaturized.
The embodiment of the invention also provides the LED lamp belt rotary imaging equipment which comprises the LED lamp belt rotary imaging equipment.
According to the rotary driving device of the LED lamp strip rotary imaging equipment, the flat receiving coil 3 for receiving electromagnetic energy to supply power to the LED lamp strip is sleeved on the rotor 12 of the motor 1, and the flat transmitting coil 4 for sending electromagnetic energy to the flat receiving coil 3 is arranged on the stator 11 of the motor 1, so that wireless transmission of the electromagnetic energy is realized through the flat transmitting coil 4 and the flat receiving coil 3 which are oppositely arranged, and wireless power supply of an LED lamp strip load in high-speed rotation is realized. In the wireless power supply process, the flat transmitting coil 4 and the flat receiving coil 3 are integrated on the rotor 12 part of the motor 1, so that an eddy current effect is generated only in a small range of the rotor 12 part of the motor 1, a strong eddy current effect cannot be caused on the whole motor 1, the eddy current of the motor 1 is prevented from heating to cause faults, and the energy loss in the wireless power supply process is reduced. Moreover, the flat transmitting coil 4 and the flat receiving coil 3 are integrated on the rotor 12 of the motor 1, so that the distance between the transmitting coil 4 and the receiving coil 3 is shortened, and the strength of magnetic induction coupling between the transmitting coil 4 and the receiving coil 3 is enhanced, thereby improving the transmission efficiency of electromagnetic energy between the transmitting coil 4 and the receiving coil 3, further increasing the output power of the rotary driving device, enhancing the working stability and reliability of the LED lamp strip rotary imaging equipment, and reducing the volume of the LED lamp strip rotary imaging equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rotary driving device for supply power to the LED lamp area on the rotatory imaging device in LED lamp area, its characterized in that: the LED lamp belt control system comprises a motor for driving an LED lamp belt to rotate, a control board for controlling the LED lamp belt to work, a receiving coil for receiving electromagnetic energy to supply power to the LED lamp belt, a transmitting coil for transmitting the electromagnetic energy to the receiving coil and a wireless transmitting board for controlling the transmitting coil; the motor comprises a stator and a rotor which is rotatably arranged in the stator, the transmitting coil and the receiving coil are respectively arranged into flat coils, the transmitting coil is arranged around the rotor, the receiving coil is arranged around the rotor, and the transmitting coil and the receiving coil are arranged in parallel and at intervals; the wireless transmitting plate is fixed on the stator, and the transmitting coil is connected with the wireless transmitting plate; the control panel is connected with the rotor, and the receiving coil is connected with the control panel.
2. The rotary drive apparatus as claimed in claim 1, wherein: one side of the receiving coil, which is far away from the transmitting coil, is provided with a first magnetic isolation plate for magnetic shielding, and one side of the transmitting coil, which is far away from the receiving coil, is provided with a second magnetic isolation plate for magnetic shielding.
3. The rotary drive apparatus as claimed in claim 2, wherein: the receiving coil comprises a first single-layer coil and two first wiring ends, the first single-layer coil is formed by annularly winding a single enameled wire from inside to outside, the two first wiring ends are led out from the first single-layer coil, and one surface, far away from the transmitting coil, of the first single-layer coil is fixed on the first magnetism isolating plate.
4. The rotary drive apparatus as claimed in claim 2, wherein: the transmitting coil comprises a second single-layer coil and two second wiring ends, the second single-layer coil is formed by annularly winding a single enameled wire from inside to outside, the two second wiring ends are led out from the second single-layer coil, and one surface, far away from the receiving coil, of the second single-layer coil is fixed on the second magnetism isolating plate.
5. The rotary drive apparatus as claimed in claim 2, wherein: the first magnetism isolating plate and the second magnetism isolating plate are parallel and opposite to each other, the area of the first magnetism isolating plate is larger than that of the receiving coil, and the area of the second magnetism isolating plate is larger than that of the transmitting coil.
6. The rotary drive apparatus as claimed in claim 1, wherein: the rotation driving device further comprises a plurality of supporting columns which support the transmitting coil on one side of the stator close to the receiving coil, one end of each supporting column is fixed on the wireless transmitting plate, and the other end of each supporting column is connected with the transmitting coil.
7. The rotary drive of claim 6, wherein: the rotary driving device also comprises a ring plate for supporting and fixing the transmitting coil, the ring plate is rotatably sleeved on the outer side of the rotor so that the rotor can rotate relative to the ring plate, and the other end of each strut is connected with the ring plate.
8. The rotary drive of claim 7, wherein: the wireless transmitting plate is arranged at one end, far away from the transmitting coil, of the stator.
9. The rotary drive apparatus as claimed in any one of claims 1 to 8, wherein: the receiving coil and the transmitting coil are arranged in mirror symmetry.
10. The utility model provides a rotatory imaging device in LED lamp area which characterized in that: comprising a rotary drive device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782720.0A CN112419906A (en) | 2019-08-23 | 2019-08-23 | Rotary driving device and LED lamp strip rotary imaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782720.0A CN112419906A (en) | 2019-08-23 | 2019-08-23 | Rotary driving device and LED lamp strip rotary imaging equipment |
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| CN112419906A true CN112419906A (en) | 2021-02-26 |
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| CN114122840A (en) * | 2021-10-27 | 2022-03-01 | 中航光电科技股份有限公司 | Wireless power transmission rotary connector |
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| CN114122840A (en) * | 2021-10-27 | 2022-03-01 | 中航光电科技股份有限公司 | Wireless power transmission rotary connector |
| CN114122840B (en) * | 2021-10-27 | 2024-03-19 | 中航光电科技股份有限公司 | Wireless power transmission rotary connector |
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