Magnetic resonance energy transfer wireless charging device

Abstract

The utility model discloses a magnetic resonance energy transfer wireless charging device, comprising a transmitting module comprising a rectification filter circuit, a transmitting circuit and a transmitting coil, the rectification filter circuit is configured to be used for converting power frequency alternating current into pulse direct current, the transmitting circuit is configured to be used for converting the pulse direct current into electromagnetic wave signals, and the transmitting coil is configured to be used for transmitting the electromagnetic wave signals; the transmitting coil is configured to be used for transmitting an electromagnetic wave signal; the receiving module comprises a receiving circuit, a receiving coil, a single chip microcomputer and lighting equipment, the receiving coil is configured to be used for receiving electromagnetic wave signals, and the receiving circuit is configured to convert the electromagnetic wave signals into pulse direct current to supply power to the lighting equipment; the single-chip microcomputer is configured to be used for realizing PWM dimming and / or switch control of the lighting equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless charging device field especially relates to magnetic resonance energy transmission wireless charging device. BACKGROUND

[0002] The scientific research group of Massachusetts Institute of Technology (MIT) of Marin Soljacic has first proposed the theory of magnetic coupling resonance type wireless electric energy transmission technology.And in the following years, this technology is continuously expanded and applied, and has wide application in the fields of biology, medical treatment, electronics, automobiles and the like, and the research subject involves multiple higher learning institutions, scientific research institutes and listed enterprises.The research in this field in China started a little later, and at present, the main research contents are concentrated in the analysis of transmission mechanism and transmission characteristics, small and medium power experimental verification research and wireless electric energy application basic research, and the research subject is mainly concentrated in higher learning institutions and scientific research institutes.

[0003] In 2013 Science and Technology Entrepreneurship Innovation Week, the first wireless charging electric vehicle in China was born in Southeast University, marking a major breakthrough in wireless electric energy transmission technology.This vehicle is equipped with a receiving end at the tail, while on the ground parking space, a magnetic resonance transmitting source is installed, the vehicle receives energy through magnetic resonance and then converts it into electric energy.The 3000-watt wireless charging electric vehicle developed by Southeast University needs 7-8 hours for slow charging to fully charge and can run more than 180 kilometers after being fully charged.Compared with the ordinary electromagnetic induction mode, the magnetic resonance mode has small radiation, low directionality requirement, longer transmission distance and high transmission efficiency.

[0004] The team applies the magnetic resonance energy transmission technology to lighting products, which has good development prospects and investment opportunities in multiple fields.At present, the wireless distributed lighting technology based on magnetic resonance energy transmission has begun to sprout in the industry, and will form a new technology industry, and will form a unique industrial structure in the future, and will be applied to more fields and combined with more technologies to further broaden the application range, and will definitely have a longer development. SUMMARY

[0005] The magnetic resonance energy transmission wireless charging device is proposed to solve the problems and meet the needs mentioned above, and can achieve the above technical purposes and bring other technical effects due to the adoption of the following technical features.

[0006] The utility model discloses a kind of magnetic resonance energy transmission wireless charging devices, comprising:

[0007] Transmitting module, including rectifier filter circuit, transmitting circuit and transmitting coil, the rectifier filter circuit is configured to convert power frequency alternating current into pulse direct current, the transmitting circuit is configured to convert pulse direct current into electromagnetic wave signal, and the transmitting coil is configured to transmit electromagnetic wave signal;

[0008] The receiving module comprises a receiving circuit, a receiving coil, a single-chip microcomputer and a lighting device, the receiving coil is configured to receive electromagnetic wave signals, the receiving circuit is configured to convert the electromagnetic wave signals into pulse direct current to power the lighting device, and the single-chip microcomputer is configured to realize PWM dimming and / or on-off control of the lighting device.

[0009] In the technical scheme, the wireless charging device works as follows: the rectifier filter circuit converts the power frequency alternating current into pulse direct current, the transmitting circuit converts the pulse direct current into electromagnetic wave signals, the transmitting coil is configured to transmit the electromagnetic wave signals, the receiving coil receives the electromagnetic wave signals, the receiving circuit converts the electromagnetic wave signals into pulse direct current to power the lighting device, and the single-chip microcomputer is configured to realize PWM dimming and / or on-off control of the lighting device.

[0010] The wireless charging device does not need physical connection, transmits energy through a magnetic field, so that the lighting device can be arranged at different positions and is not limited by wiring, thereby providing greater flexibility and convenience. Meanwhile, compared with electromagnetic induction technology, the magnetic resonance technology can realize long-distance transmission, and compared with electromagnetic radiation, the magnetic resonance technology can realize high-power transmission, and both high transmission efficiency and long-distance transmission (0-10 m) are taken into account.

[0011] The magnetic resonance energy transmission technology adopted by the wireless charging device can improve the energy transmission efficiency, reduce energy loss, reduce the use of wires, help save energy and reduce the waste of wire materials, and meet the requirements of environmental protection and energy saving.

[0012] The wireless charging device transmits energy through a wireless magnetic field, and does not involve direct contact with wires or sockets, so as to reduce the safety risks such as electric shock and fire. The wireless power transmission technology realizes complete electrical isolation between the power supply and the electrical equipment, and has outstanding safety advantages, and is particularly suitable for public places and home use.

[0013] The wireless charging device can realize intelligent management and adjustment of the lighting device through an intelligent control system, for example, automatically adjusting the brightness according to the ambient light or turning on and off according to a time schedule, thereby improving the intelligent level of the lighting system.

[0014] The wireless charging device can reduce the use of wires and sockets in indoor space, so that the indoor space is more tidy and beautiful, and the space utilization efficiency is improved. Distributed layout is adopted, instead of a single global main light, and excellent lighting effects are achieved through other orderly lighting devices, so that the light is uniformly distributed and the whole house is illuminated without dead angles, giving the space more sense of level and stereoscopic effect.

[0015] In addition, the magnetic resonance energy transmission wireless charging device has the following technical features.

[0016] In one example of the utility model, when the oscillation frequency of the transmitting coil and the receiving coil is consistent, the magnetic resonance coupling phenomenon is generated to realize the energy transmission between the generating module and the receiving module, and thus the current generated powers the single-chip microcomputer.

[0017] In one example of the utility model, the single-chip microcomputer comprises a light control unit,

[0018] The light control unit has a photoresistor, and the light control unit is configured to receive external light changes via the photoresistor to realize PWM dimming of the lighting device.

[0019] In one example of the utility model, the single-chip microcomputer further comprises an infrared remote control unit,

[0020] The infrared remote control unit is configured to receive external infrared signals, convert the external infrared signals into digital signals, and transmit the digital signals to the single-chip microcomputer to control the switch of the lighting device.

[0021] In one example of the utility model, the receiving module comprises a plurality of receiving modules, and the plurality of receiving modules are arranged at intervals along the circumferential direction of the transmitting module; wherein the distance between the plurality of receiving modules and the transmitting module is less than or equal to the maximum transmission distance of the transmitting module.

[0022] In one example of the utility model, it further comprises a plurality of support rods,

[0023] The plurality of support rods correspond one-to-one to the plurality of receiving modules, wherein one end of each support rod is connected to the transmitting module, and the other end of each support rod is connected to one of the receiving modules.

[0024] In one example of the utility model, the plurality of support rods are telescopic rods configured to adjust the transmission distance between the receiving modules and the transmitting module by telescoping.

[0025] In one example of the utility model, the plurality of receiving modules are movably connected to the corresponding support rods, and are configured to be slidably connected to the support rods along the extension direction of the support rods.

[0026] In one example of the utility model, a sliding groove is formed on one of the support rod and the receiving module, and a sliding block adapted to the sliding groove is formed on the other one.

[0027] In one example of the utility model, the transmitting circuit and the receiving circuit both adopt XKT-510 circuits.

[0028] The preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings, so as to make the features and advantages of the present application easily understood. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments of the present application will be briefly introduced below. Among them, the drawings are only used to show some embodiments of the present application, and not to limit all embodiments of the present application to this.

[0030] Figure 1 It is a structural schematic diagram of the magnetic resonance energy transmission wireless charging device according to the embodiment of the present application.

[0031] Figure 2 It is a principle diagram of the magnetic resonance energy transmission wireless charging device according to the embodiment of the present application.

[0032] Figure 3 It is a rectifier filter circuit diagram according to the embodiment of the present application.

[0033] Figure 4 It is a transmitting circuit diagram according to the embodiment of the present application.

[0034] Figure 5 It is a receiving circuit diagram according to the embodiment of the present application.

[0035] Figure 6 It is a single-chip microcomputer circuit diagram according to the embodiment of the present application.

[0036] Figure 7 It is a photosensitive resistance circuit diagram according to the embodiment of the present application.

[0037] Figure 8 It is a power switch circuit diagram according to the embodiment of the present application.

[0038] Figure 9 It is an infrared transmitting and receiving circuit diagram according to the embodiment of the present application.

[0039] Figure 10 It is an AD conversion circuit diagram according to the embodiment of the present application.

[0040] Figure 11 It is an LED lamp circuit diagram according to the embodiment of the present application.

[0041] Figure 12 It is a circuit diagram of the magnetic resonance energy transmission wireless charging device according to the embodiment of the present application.

[0042] LIST OF REFERENCE NUMERALS

[0043] Charging device 100;

[0044] Transmitting module 110;

[0045] Rectification filter circuit 111;

[0046] Transmitting circuit 112;

[0047] Transmitting coil 113;

[0048] Receiving module 120;

[0049] Receiving coil 121;

[0050] Receiving circuit 122;

[0051] Single-chip microcomputer 123;

[0052] Illumination device 124;

[0053] Supporting rod 130. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical scheme and advantages of the technical scheme of the utility model more clear, the technical scheme of the utility model embodiment will be described clearly and completely in the following with reference to the drawings of the utility model embodiment. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0055] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meaning understood by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, "one" or "a" and similar words do not necessarily represent the quantity limit. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0056] According to the magnetic resonance energy transmission wireless charging device 100 of the utility model,Figures 1 to 12 As shown, comprising:

[0057] The transmitting module 110 includes a rectifier filter circuit 111, a transmitting circuit 112 and a transmitting coil 113, the rectifier filter circuit 111 is configured to convert the power frequency alternating current into pulse direct current, the transmitting circuit 112 is configured to convert the pulse direct current into electromagnetic wave signal, and the transmitting coil 113 is configured to transmit the electromagnetic wave signal;

[0058] The receiving module 120 includes a receiving circuit 122, a receiving coil 121, a single-chip microcomputer 123 and a lighting device 124, the receiving coil 121 is configured to receive the electromagnetic wave signal, the receiving circuit 122 is configured to convert the electromagnetic wave signal into pulse direct current to power the lighting device 124, and the single-chip microcomputer 123 is configured to realize the PWM dimming and / or on-off control of the lighting device 124.

[0059] The working process of the wireless charging device 100 is as follows: the power frequency alternating current is converted into pulse direct current by the rectifier filter circuit 111, then the pulse direct current is converted into electromagnetic wave signal by the transmitting circuit 112, and the electromagnetic wave signal is transmitted by the transmitting coil 113; then the electromagnetic wave signal is received by the receiving coil 121, and the electromagnetic wave signal is converted into pulse direct current by the receiving circuit 122 to power the lighting device 124, and finally the single-chip microcomputer 123 is configured to realize the PWM dimming and / or on-off control of the lighting device 124.

[0060] The wireless charging device 100 does not need physical connection, transmits energy through magnetic field, so that the lighting device 124 can be arranged at different positions and is not limited by wiring, thereby providing greater flexibility and convenience. At the same time, compared with electromagnetic induction technology, the magnetic resonance technology can realize long-distance transmission, and compared with electromagnetic radiation, it can realize high-power transmission, and takes into account high transmission efficiency and long-distance transmission (0-10m);

[0061] The magnetic resonance energy transmission technology adopted by the wireless charging device 100 can improve the efficiency of energy transmission, reduce energy loss, and at the same time reduce the use of wires, which helps to save energy and reduce the waste of wire materials, and meets the requirements of environmental protection and energy saving.

[0062] The magnetic resonance energy transmission of the wireless charging device 100 is through wireless magnetic field energy transmission, which does not involve direct contact with wires or sockets, so as to reduce the safety risks such as electric shock and fire. The wireless power transmission technology realizes complete electrical isolation between the power supply and the electrical equipment, and the safety advantage is outstanding, which is especially suitable for public places and home use.

[0063] The wireless charging device 100 can realize intelligent management and adjustment of the lighting device 124 through the intelligent control system, for example, automatically adjusting the brightness according to the ambient light or timing on-off according to the time table, thereby improving the intelligent level of the lighting system.

[0064] The wireless charging device 100 can reduce the use of wires and sockets in the indoor space, so that the indoor space is more neat and beautiful, and the space utilization efficiency is improved. Distributed layout is adopted, not a single global main light, but a perfect lighting effect is matched through other light orderly devices, so that the light is uniformly distributed, the whole house is irradiated without dead angle, and more level and stereoscopic sense of space is given.

[0065] In an example of the utility model, when the oscillation frequency of the transmitting coil 113 and the receiving coil 121 is consistent, the magnetic resonance coupling phenomenon is generated to realize the energy transmission between the generating module and the receiving module 120, so that the current is generated to supply power to the single-chip microcomputer 123.

[0066] In an example of the utility model, the single-chip microcomputer 123 comprises a light control unit,

[0067] The light control unit has a photosensitive resistor, and the light control unit is configured to receive external light changes through the photosensitive resistor, so as to realize PWM dimming of the lighting device 124; for example, the lighting device 124 is an LED lamp.

[0068] That is, the photosensitive resistor of the light control unit can make the lighting device 124 dim the PWM of the lighting device 124 according to the change of external light, so as to realize intelligent management and adjustment of the lighting device 124.

[0069] In an example of the utility model, the single-chip microcomputer 123 further comprises an infrared remote control unit,

[0070] The infrared remote control unit is configured to receive external infrared signals, convert the external infrared signals into digital signals and transmit the digital signals to the single-chip microcomputer 123 to control the on-off of the lighting device 124;

[0071] For example, the lighting device 124 can be turned on and off according to the time table, so that the intelligent level of the lighting device 124 can be improved, energy can be saved, and the environment can be protected.

[0072] In an example of the utility model, the receiving module 120 comprises a plurality of receiving modules 120, and the plurality of receiving modules 120 are arranged at intervals along the circumferential direction of the transmitting module 110; wherein the distance between the plurality of receiving modules 120 and the transmitting module 110 is less than or equal to the maximum transmission distance of the transmitting module 110.

[0073] The multiple receiving modules 120 can be arranged to control multiple lighting devices 124 simultaneously, to realize distributed lighting, and to improve the practicability of the charging device 100; and the multiple receiving modules 120 are arranged at a distance from the transmitting module 110 that is less than or equal to the maximum transmission distance of the transmitting module 110, so that the multiple lighting devices 124 are all within the control range of the transmitting module 110, facilitating the control of the multiple lighting devices 124.

[0074] In one example of the utility model, further include: a plurality of support rods 130,

[0075] The multiple support rods 130 correspond to the multiple receiving modules 120 one-to-one, wherein one end of each support rod 130 is connected to the transmitting module 110, and the other end of each support rod 130 is connected to one of the receiving modules 120;

[0076] The multiple support rods 130 can facilitate the connection between the lighting devices 124 and the transmitting module 110, thereby facilitating the adjustment of the positions of the lighting devices 124

[0077] In one example of the utility model, the multiple support rods 130 are telescopic rods configured to adjust the transmission distance between the receiving modules 120 and the transmitting module 110 through telescopic adjustment;

[0078] That is, each support rod 130 can adjust its own telescopic length through telescopic adjustment, thereby adjusting the lighting devices 124 to a specified position, and then facilitating the PWM dimming and / or on-off control of the lighting devices 124.

[0079] In one example of the utility model, the multiple receiving modules 120 are movably connected to the corresponding support rods 130, and are configured to be slidably connected to the support rods 130 along the extension direction of the support rods 130;

[0080] The movable connection can improve the flexibility of the connection between the receiving modules 120 and the support rods 130, thereby facilitating the adjustment of the positions of the receiving modules 120 on the support rods 130, and then realizing the adjustment of the distance between the receiving modules 120 and the transmitting module 110.

[0081] In one example of the utility model, a sliding groove is formed on one of the support rods 130 and the receiving modules 120, and a sliding block that is adapted to the sliding groove is formed on the other one of the support rods 130 and the receiving modules 120;

[0082] For example, a sliding groove is formed along the extending direction of the support rod 130, and a sliding block matched with the sliding groove is formed on the receiving module 120, and the position of the receiving module 120 on the support rod 130 is adjusted by pushing the sliding block to move in the sliding groove.

[0083] In one example of the present application, the transmitting circuit 112 and the receiving circuit 122 both adopt XKT-510 circuit.

[0084] The exemplary embodiments of the magnetic resonance energy transmission wireless charging device 100 proposed by the present application are described in detail above with reference to the preferred embodiments, however, it can be understood by those skilled in the art that various modifications and improvements can be made to the above specific embodiments without departing from the concept of the present application, and various technical features and structures proposed by the present application can be combined without exceeding the protection scope of the present application, and the protection scope of the present application is determined by the appended claims.

Claims

1. A magnetic resonance power transfer wireless charging device, characterized in that, Comprising: a transmitting module (110) comprising a rectifier filter circuit (111), a transmitting circuit (112) and a transmitting coil (113), the rectifier filter circuit (111) is configured to convert an alternating current into a pulse direct current, the transmitting circuit (112) is configured to convert the pulse direct current into an electromagnetic wave signal, the transmitting coil (113) is configured to transmit the electromagnetic wave signal; a receiving module (120) comprising a receiving circuit (122), a receiving coil (121), a single-chip microcomputer (123) and a lighting device (124), the receiving coil (121) is configured to receive the electromagnetic wave signal, the receiving circuit (122) is configured to convert the electromagnetic wave signal into a pulse direct current to power the lighting device (124), the single-chip microcomputer (123) is configured to realize the PWM dimming and / or on-off control of the lighting device (124).

2. The magnetic resonance energy transmission wireless charging device according to claim 1, wherein, when the oscillation frequency of the transmitting coil (113) and the receiving coil (121) is consistent, a magnetic resonance coupling phenomenon occurs to realize the energy transmission between the generating module and the receiving module (120), thereby generating a current to power the single-chip microcomputer (123).

3. The magnetic resonance energy transmission wireless charging device according to claim 1, wherein, the single-chip microcomputer (123) comprises a light control unit, the light control unit has a photoresistor, and the light control unit is configured to receive external light changes via the photoresistor to realize the PWM dimming of the lighting device (124).

4. The magnetic resonance energy transmission wireless charging device according to claim 1, wherein, the single-chip microcomputer (123) further comprises an infrared remote control unit, the infrared remote control unit is configured to receive an external infrared signal, convert the external infrared signal into a digital signal and transmit it to the single-chip microcomputer (123) to control the on-off of the lighting device (124).

5. The magnetic resonance energy transmission wireless charging device according to claim 1, wherein, the receiving module (120) comprises a plurality of receiving modules (120) arranged at intervals along the circumferential direction of the transmitting module (110); wherein the distance between the plurality of receiving modules (120) and the transmitting module (110) is less than or equal to the maximum transmission distance of the transmitting module (110).

6. The magnetic resonance energy transmission wireless charging device according to claim 5, further comprising: a plurality of support rods (130), wherein each of the plurality of support rods (130) is connected to the transmitting module (110) at one end and connected to one of the receiving modules (120) at the other end.

7. The magnetic resonance energy transmission wireless charging device according to claim 6, wherein, The plurality of support rods (130) are telescopic rods configured to adjust the transmission distance between the receiving module (120) and the transmitting module (110) by telescoping.

8. The magnetic resonance power transfer wireless charging device of claim 6, wherein, The plurality of receiving modules (120) are movably connected to the corresponding support rods (130) respectively, and are configured to be slidably connected to the support rods (130) along the extension direction of the support rods (130).

9. The magnetic resonance power transfer wireless charging device of claim 8, wherein, A sliding groove is formed on one of the support rod (130) and the receiving module (120), and a sliding block matched with the sliding groove is formed on the other one.

10. The magnetic resonance power transfer wireless charging device of claim 1, wherein, The transmitting circuit (112) and the receiving circuit (122) both adopt XKT-510 circuit.

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