CN107528613A - A kind of non-contact power communicator - Google Patents
A kind of non-contact power communicator Download PDFInfo
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- CN107528613A CN107528613A CN201610443599.5A CN201610443599A CN107528613A CN 107528613 A CN107528613 A CN 107528613A CN 201610443599 A CN201610443599 A CN 201610443599A CN 107528613 A CN107528613 A CN 107528613A
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- 238000004891 communication Methods 0.000 claims abstract description 140
- 230000005540 biological transmission Effects 0.000 claims abstract description 80
- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000008054 signal transmission Effects 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 16
- 230000005672 electromagnetic field Effects 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000009499 grossing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000003990 capacitor Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The present invention provides a kind of non-contact power communicator, applied to the rotating mechanism for including base and turntable, including：Power supply unit, primary coil and the first communication unit on base；On turntable by electric unit, secondary coil and the second communication unit；Primary coil and secondary coil are correspondingly arranged, and form electric energy transmission channel by magnetic coupling；Power supply unit is connected with primary coil, is connected by electric unit with secondary coil, and the electric energy of power supply unit is transmitted to by electric unit by electric energy transmission channel；First communication unit is connected with primary coil, and the second communication unit is connected with secondary coil, carries out the transmission of data-signal between the first communication unit and the second communication unit by electric energy transmission channel.This invention simplifies structure design, reduces disturbed risk, improves the reliability of data signal transmission.
Description
Technical Field
The present invention relates to a contactless power supply device, and more particularly, to a contactless power supply communication device used between relatively rotatable mechanisms.
Background
Many devices currently include one or more rotating mechanisms. Each rotating mechanism comprises a base and a rotating platform, and the rotating platform is connected with the base through a motor spindle. The rotation of the spindle of the motor drives the rotation table to rotate relative to the base. And usually there are many other functional modules on the base and the turntable for performing other auxiliary functions, such as an acquisition module for acquiring data, a communication module for transmitting and receiving wireless signals, a control module for processing data and controlling the different functional modules, and so on.
However, the functional modules are usually power utilization modules, which require power supply for the functional modules. The current common power supply mode for such functional modules is as follows: the power supply of the functional module is realized by the electric brush or the direct connection of a lead between the base and the rotating platform. However, although the power supply method using the brush does not affect the relative rotation movement between the base and the rotating platform, the frequent relative rotation between the base and the rotating platform will inevitably cause the wear of the brush and affect the service life of the brush. And adopt the power supply mode of direct connection wire between base and revolving stage, the wire of connecting between base and the revolving stage can influence the rotation between base and the revolving stage, especially has very big restriction to the angle of rotation for can not carry out one-way continuous rotation between base and the revolving stage.
Further, in the apparatus including the rotating mechanism, the functional module between the rotating table and the base thereof also has a data transmission requirement. The communication mode of the functional modules on the base and the rotating platform which are commonly used is as follows: wired communication, wireless communication, communication through the brushes, and the like. The wired communication is that a connection line is established between the functional module of the base and the functional module of the rotating platform which need to communicate through a wire, so that the communication is realized. However, due to the nature of the rotational movement of the rotation mechanism, the use of wired communication may limit the rotational movement between the base and the rotation table; communication through the brush can affect the life of the brush. And adopt the wireless communication mode, then need increase corresponding wireless communication emission module and wireless communication receiving module respectively on revolving stage and base, this can increase the space demand of base and revolving stage, moreover, wireless communication receives external environment's interference more easily.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a non-contact power supply communication device, which is used to solve the problem that the non-contact power supply and communication cannot be simultaneously realized simply and conveniently between the base of the rotating mechanism and the components of the rotating table in the prior art.
To achieve the above and other related objects, the present invention provides a non-contact power supply communication device applied to a rotating mechanism, the rotating mechanism including a base and a rotating table, the rotating table being rotatable with respect to the base; the non-contact power supply communication device includes: a power supply unit, a primary coil and a first communication unit on the base; a power receiving unit, a secondary coil, and a second communication unit on the rotating stage; the primary coil and the secondary coil are correspondingly arranged; the primary coil and the secondary coil form an electric energy transmission channel between the primary coil and the secondary coil through magnetic coupling; the power supply unit is connected with the primary coil, the power receiving unit is connected with the secondary coil, and electric energy of the power supply unit is transmitted to the power receiving unit through the electric energy transmission channel; the first communication unit is connected with the primary coil, the second communication unit is connected with the secondary coil, and the first communication unit and the second communication unit transmit data signals through the electric energy transmission channel.
In an embodiment of the present invention, the transmitting the data signal between the first communication unit and the second communication unit through the power transmission channel includes: the first communication unit modulates a data signal into an electric energy transmission waveform of the primary coil in an amplitude modulation mode and then transmits the electric energy transmission waveform through the electric energy transmission channel; the second communication unit receives the data signal loaded in the electric energy transmission waveform through the secondary coil; the second communication unit modulates a data signal into the electric energy transmission waveform of the secondary coil in an amplitude modulation mode and then transmits the data signal through the electric energy transmission channel; the first communication unit receives a data signal loaded in a power transmission waveform through the primary coil.
In an embodiment of the invention, the contactless power supply communication device further includes a first coupling coil and a second coupling coil, the first coupling coil is located on the base and is connected between the primary coil and the first communication unit; the second coupling coil is located on the rotary table and connected between the secondary coil and the second communication unit.
In an embodiment of the present invention, the transmitting the data signal between the first communication unit and the second communication unit through the power transmission channel includes: the first communication unit couples and loads a data signal into an electric energy transmission waveform through the first coupling coil and the primary coil, and then transmits the data signal through the electric energy transmission channel; the second communication unit receives data signals loaded in the electric energy transmission waveform through the secondary coil and the second coupling coil; the second communication unit couples and loads a data signal into an electric energy transmission waveform through the second coupling coil and the secondary coil, and then transmits the data signal through the electric energy transmission channel; the first communication unit receives data signals loaded in a power transmission waveform through the primary coil and the first coupling coil.
In an embodiment of the invention, the power supply unit further includes an external power interface for accessing external power; the first communication unit further comprises a data interface for transmitting and receiving data signals.
In an embodiment of the present invention, the power supply unit further includes an inverter circuit; the device is used for converting the direct current electric energy into alternating current electric energy; the power receiving unit includes a rectifying and filtering circuit for converting an alternating current into a direct current.
In an embodiment of the present invention, the electric energy transmission channel is: the primary coil generates an alternating electromagnetic field according to alternating current electric energy provided by the power supply unit; and the secondary coil induces corresponding alternating current according to the alternating electromagnetic field.
In an embodiment of the invention, the power supply unit is further configured to provide a power supply for the electrical appliance on the base.
In an embodiment of the present invention, the first communication unit includes a first modulation subunit and a first filtering demodulation subunit, where the first modulation subunit is configured to modulate a transmitted data signal; the first filtering and demodulating subunit is configured to filter and demodulate the received data signal.
In an embodiment of the present invention, the second communication unit includes a second modulation subunit and a second filtering demodulation subunit, where the second modulation subunit is configured to modulate a transmitted data signal; the second filtering and demodulating subunit is configured to filter and demodulate the received data signal.
As described above, the non-contact power supply communication apparatus of the present invention is applied to a rotation mechanism to achieve simultaneous power supply and data communication between the devices of the base and the rotation table. According to the invention, the primary coil and the secondary coil are respectively arranged on the base and the rotating platform, and the electric energy transmission channel between the primary coil and the secondary coil is established by magnetic coupling to transmit electric energy; and the power transmission channel is used for data transmission between the first communication unit and the second communication unit. The non-contact power supply communication device adopts the electric energy transmission channel constructed by the primary coil and the secondary coil through magnetic coupling to simultaneously transmit electric energy and data signals, thereby not only achieving the purpose of non-contact electric energy and data signal transmission, but also simplifying the structural design, simultaneously effectively limiting the transmission channel of the data signals at the periphery of the primary coil and the secondary coil through a non-contact mode, reducing the risk of interference and improving the reliability of data signal transmission.
Drawings
Fig. 1 is a schematic structural view of the rotating mechanism.
Fig. 2 is a schematic structural view of another rotating mechanism.
Fig. 3 is a schematic cross-sectional view of a contactless power supply communication device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an inverter circuit of a power supply unit of a contactless power supply communication device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a rectifying and filtering circuit of a power receiving unit of a contactless power supply communication device according to an embodiment of the present invention.
Fig. 6 is a cross-sectional schematic view of a contactless power communication apparatus according to another embodiment of the present invention.
Description of the element reference numerals
100 rotating mechanism
110 base
120 rotating table
130 electric machine
131 main shaft
210 power supply unit
220 primary coil
230 first communication unit
240 power receiving unit
250 secondary coil
260 second communication unit
270 first coupling coil
280 second coupling coil
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention discloses a non-contact power supply communication device applied to a rotating mechanism, which is used for realizing the non-contact power supply of electric devices on a rotating platform and the data communication between the devices on the rotating platform and the devices on a base through the same transmission channel.
As shown in fig. 1, the rotating mechanism 100 includes a base 110 and a rotating table 120, wherein the rotating table 120 is rotatable relative to the base 110, in this embodiment, the rotating table 120 is rotated relative to the base 110 by a motor 130, and the rotating table 120 is rotated around a rotating shaft 131. Of course, the rotation of the rotating platform 120 relative to the base 110 can be realized by many other methods, which are conventional in the mechanical field, and the contactless power communication apparatus of the present invention is applicable as long as the rotating mechanism 100 can realize that the rotating platform 120 is rotatable relative to the base 110.
In the present embodiment, two modes of rotating the turntable 120 with respect to the base 110 by the motor 130 are described:
first, as shown in fig. 1, the motor 130 is fixedly installed on the base 110, and the motor 130 has a main shaft 131, i.e. a rotating shaft, the rotating platform 120 is connected with the main shaft 131 of the motor 130, and the main shaft 131 is driven to rotate by the motor 130, so as to drive the rotating platform 120 to rotate; preferably, the spindle/rotation shaft 131 passes through a central position of the rotation table 120;
secondly, as shown in fig. 2, the motor 130 is also fixedly installed on the base 110, but the motor 130 is not directly connected to the rotating platform 120, the rotating platform 120 is indirectly connected to the rotor of the motor 130 through a belt or other transmission components, and the rotor of the motor 130 drives the rotating platform 120 to rotate through the belt or other transmission components. In this way, the rotation axis 131 is located at the center of the turntable 120 and is perpendicular to the plane of the turntable 120.
In addition, the base 110 and the rotary table 120 of the rotating mechanism 100 are respectively provided with a plurality of electric devices (not shown in the drawings) for realizing different functions.
Next, a non-contact power supply communication apparatus will be described with reference to a rotation mechanism shown in fig. 1.
As shown in fig. 3, the contactless power supply communication apparatus of the present embodiment includes a power supply unit 210, a primary coil 220, a first communication unit 230, a power receiving unit 240, a secondary coil 250, and a second communication unit 260. Wherein,
the power supply unit 210, the primary coil 220, and the first communication unit 230 are located on the base 110 of the rotation mechanism 100; the power receiving unit 240, the secondary coil 250, and the second communication unit 260 are located on the rotary table 120 of the rotation mechanism 100.
The primary coil 220 and the secondary coil 250 are correspondingly disposed on the base 110 and the rotary table 120, and are matched in size and coupled to each other, and the distance between the primary coil 220 and the secondary coil 250 is controlled within a certain range. As shown in fig. 2, in the present embodiment, the primary coil 220 is disposed on a surface of the base 110 facing the turntable 120, with the spindle 131 of the motor 130 as the center; the secondary coil 250, which is coupled to the primary coil 220 in a size matching the size of the primary coil, is correspondingly disposed on a surface of the turntable 120 facing the base 110, and the secondary coil 250 is also centered on the spindle 131.
The primary coil 220 and the secondary coil 250 form an electric energy transmission channel between the primary coil 220 and the secondary coil 250 through magnetic coupling: the primary coil 220 generates an alternating electromagnetic field according to the input alternating current power, and correspondingly, the secondary coil 250 induces a corresponding alternating current according to the alternating electromagnetic field, thereby forming a power transmission channel between the primary coil 220 and the secondary coil 250 and realizing the non-contact power transmission between the primary coil 220 and the secondary coil 250.
And a power supply unit 210 connected to the primary coil 220 and the electrical devices on the base 110 for supplying power. The method includes not only providing power for the electrical devices disposed on the base 110 of the rotating mechanism 100, but also indirectly providing power for the electrical devices disposed on the rotating table 120 of the rotating mechanism 100 through the primary coil 220, the secondary coil 250 and the power receiving unit 240.
In addition, the power supply unit 210 may directly use a storage battery, or may introduce an external power source through the external power source interface. Wherein the external power interface is disposed on the power supply unit 210, and the external power interface includes but is not limited to: USB interface, D-type interface, etc.
The power supply unit 210 further includes an inverter circuit for converting the dc power into the ac power. As shown in fig. 4, the inverter circuit is composed of a plurality of transistors. It should be noted that the protection scope of the present invention is not limited to the inverter circuit shown in fig. 4 of the present embodiment, and any inverter circuit capable of converting dc electric energy into ac electric energy is within the protection scope of the present invention.
The power receiving unit 240 is connected to the secondary coil 250 and the electrical devices on the rotating platform 120, respectively, for providing power to the electrical devices on the rotating platform 120. The power receiving unit 240 converts the alternating current transmitted from the secondary coil 250 into a direct current, and supplies the direct current to the power consuming device on the turntable 120.
The power receiving unit 240 further includes a rectifying and filtering circuit for converting the alternating current into a direct current. As shown in fig. 5, the rectifying-smoothing circuit is composed of a plurality of diodes and capacitors. It should be noted that the protection scope of the present invention is not limited to the rectifying and smoothing circuit shown in fig. 5 of the present embodiment, and all rectifying and smoothing circuits capable of converting an alternating current into a direct current are within the protection scope of the present invention.
The power supply unit 210 supplies ac power to the primary coil 220; the primary coil 220 generates an alternating electromagnetic field from the alternating current power, and the secondary coil 250 induces a corresponding alternating current from the alternating electromagnetic field and transmits the alternating current to the power receiving unit 240. Thus, the contactless power transmission between the power supply unit 210 and the power receiving unit 240 is realized through the power transmission channel between the primary coil 220 and the secondary coil 250.
The first communication unit 230 is connected to the primary coil 220, and the second communication unit 260 is connected to the secondary coil 250, so as to enable the first communication unit 230 and the second communication unit 260 to transmit data signals through the power transmission channel, where the data signals of the first communication unit 230 are transmitted to the second communication unit 260, and the data signals of the second communication unit 260 are transmitted to the first communication unit 230. In the present embodiment, two methods for transmitting data signals via the power transmission channel are disclosed, but the scope of the present invention is not limited to these two methods, and it is within the scope of the present invention that data transmission is performed between the first communication unit 230 and the second communication unit 260 via the power transmission channel.
The first mode is to modulate the data signal into the electric energy transmission waveform directly in an amplitude modulation mode, and then transmit the data signal through an electric energy transmission channel:
the first communication unit 230 modulates the data signal into the power transmission waveform of the primary coil 220 by means of amplitude modulation; then the electric energy is transmitted through an electric energy transmission channel; the second communication unit 260 receives the data signal loaded by the power transmission waveform through the secondary coil 250;
alternatively, the second communication unit 260 modulates the data signal into the power transmission waveform of the secondary coil 250 by means of amplitude modulation; then the electric energy is transmitted through an electric energy transmission channel; the first communication unit 230 receives the data signal loaded with the power transfer waveform through the primary coil 220.
The second way is to load the data signal into the power transmission waveform by means of magnetic coupling, and then transmit the data signal through the power transmission channel:
as shown in fig. 6, a first coupling coil 270 is added between the first communication unit 230 and the primary coil 220, and a second coupling coil 280 is added between the second communication unit 260 and the secondary coil 250, that is, the first communication unit 230 is connected with the primary coil 220 through the first coupling coil 270, and the second communication unit 260 is connected with the secondary coil 250 through the second coupling coil 280;
the data signal of the first communication unit 230 couples the data signal to the circuit in which the primary coil 220 is located through the first coupling coil 270, so as to couple the data waveform into the power transmission waveform; then the electric energy is transmitted through an electric energy transmission channel; the second communication unit 260 receives the data signal loaded by the power transmission waveform through the secondary coil 250 and the second coupling coil 280;
the data signal of the second communication unit 260 couples the data signal to the circuit where the secondary coil 250 is located through the second coupling coil 280, and couples and loads the data waveform into the power transmission waveform; then the electric energy is transmitted through an electric energy transmission channel; the first communication unit 230 receives the data signal loaded with the power transfer waveform through the primary coil 220 and the first coupling coil 270.
Further, regardless of the data transmission method, the first communication unit 230 further includes a first modulation subunit and a first filtering demodulation subunit. The first modulation subunit is used for modulating the transmitted data signal, and is connected with the primary coil 220 or the first coupling coil 270; the first filtering demodulation subunit is used for filtering and demodulating the received data signal, and is connected with the primary coil 220 or the first coupling coil 270.
The second communication unit 260 also includes a second modulation subunit and a second filtered demodulation subunit. The second modulation subunit is used for modulating the transmitted data signal, and is connected with the secondary coil 250 or the second coupling coil 280; the second filtering and demodulating subunit is used for filtering and demodulating the received data signal, and is connected to the secondary coil 250 or the second coupling coil 280.
In addition, the first communication unit 230 may be further connected to the electrical devices on the base 110, and similarly, the second communication unit 260 may be also connected to the electrical devices on the rotating platform 120, so that the electrical devices on the base 110 and the electrical devices on the rotating platform 120 can perform data signal transmission through the first communication unit 230 and the second communication unit 260. Also, the first communication unit 230 further includes a data interface for transmitting data signals from the communication device to the outside and/or receiving external data signals. Through the data interface, the data signals of the second communication unit 260 (including the data signals of the electric devices on the rotary table 120) and the data signals of the electric devices on the base 110 can be transmitted to the outside.
In addition, in order to highlight the innovative part of the present invention, a unit which is not so closely related to solve the technical problem proposed by the present invention is not introduced in the present embodiment, but this does not indicate that there is no other unit in the present embodiment.
In summary, the non-contact power supply communication device of the present invention is applied to a rotation mechanism to achieve simultaneous power supply and data communication between devices of a base and a rotation table. According to the invention, the primary coil and the secondary coil are respectively arranged on the base and the rotating platform, and the electric energy transmission channel between the primary coil and the secondary coil is established by magnetic coupling to transmit electric energy; and the power transmission channel is used for data transmission between the first communication unit and the second communication unit. The non-contact power supply communication device adopts the electric energy transmission channel constructed by the primary coil and the secondary coil through magnetic coupling to simultaneously transmit electric energy and data signals, thereby not only achieving the purpose of non-contact electric energy and data signal transmission, but also simplifying the structural design, and simultaneously effectively limiting the transmission channel of the data signals around the primary coil and the secondary coil through a non-contact mode, reducing the risk of interference and improving the reliability of data signal transmission. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A contactless power supply communication device is applied to a rotating mechanism, wherein the rotating mechanism comprises a base and a rotating platform, and the rotating platform is rotatable relative to the base; the non-contact power supply communication device includes: a power supply unit, a primary coil and a first communication unit on the base; a power receiving unit, a secondary coil, and a second communication unit on the rotating stage; the primary coil and the secondary coil are correspondingly arranged;
the primary coil and the secondary coil form an electric energy transmission channel between the primary coil and the secondary coil through magnetic coupling;
the power supply unit is connected with the primary coil, the power receiving unit is connected with the secondary coil, and electric energy of the power supply unit is transmitted to the power receiving unit through the electric energy transmission channel;
the first communication unit is connected with the primary coil, the second communication unit is connected with the secondary coil, and the first communication unit and the second communication unit transmit data signals through the electric energy transmission channel.
2. The contactless power supply communication device according to claim 1, characterized in that: the data signal transmission between the first communication unit and the second communication unit through the electric energy transmission channel comprises the following steps:
the first communication unit modulates a data signal into an electric energy transmission waveform of the primary coil in an amplitude modulation mode and then transmits the electric energy transmission waveform through the electric energy transmission channel; the second communication unit receives the data signal loaded in the electric energy transmission waveform through the secondary coil;
the second communication unit modulates a data signal into the electric energy transmission waveform of the secondary coil in an amplitude modulation mode and then transmits the data signal through the electric energy transmission channel; the first communication unit receives a data signal loaded in a power transmission waveform through the primary coil.
3. The contactless power supply communication device according to claim 1, characterized in that: the non-contact power supply communication device further comprises a first coupling coil and a second coupling coil, wherein the first coupling coil is positioned on the base and is connected between the primary coil and the first communication unit; the second coupling coil is located on the rotary table and connected between the secondary coil and the second communication unit.
4. The contactless power supply communication device according to claim 3, characterized in that: the data signal transmission between the first communication unit and the second communication unit through the electric energy transmission channel comprises the following steps:
the first communication unit couples and loads a data signal into an electric energy transmission waveform through the first coupling coil and the primary coil, and then transmits the data signal through the electric energy transmission channel; the second communication unit receives data signals loaded in the electric energy transmission waveform through the secondary coil and the second coupling coil;
the second communication unit couples and loads a data signal into an electric energy transmission waveform through the second coupling coil and the secondary coil, and then transmits the data signal through the electric energy transmission channel; the first communication unit receives data signals loaded in a power transmission waveform through the primary coil and the first coupling coil.
5. The contactless power supply communication device according to claim 1, characterized in that: the power supply unit is also provided with an external power interface for accessing external electric energy; the first communication unit further comprises a data interface for transmitting and receiving data signals.
6. The contactless power supply communication device according to claim 1, characterized in that: the power supply unit further comprises an inverter circuit; the device is used for converting the direct current electric energy into alternating current electric energy; the power receiving unit includes a rectifying and filtering circuit for converting an alternating current into a direct current.
7. The contactless power supply communication device according to claim 6, characterized in that: the electric energy transmission channel is as follows: the primary coil generates an alternating electromagnetic field according to alternating current electric energy provided by the power supply unit; and the secondary coil induces corresponding alternating current according to the alternating electromagnetic field.
8. The contactless power supply communication device according to claim 1, characterized in that: the power supply unit is also used for providing power supply for the electric appliance on the base.
9. The contactless power supply communication device according to claim 1, characterized in that: the first communication unit comprises a first modulation subunit and a first filtering demodulation subunit,
the first modulation subunit is used for modulating the transmitted data signal;
the first filtering and demodulating subunit is configured to filter and demodulate the received data signal.
10. The contactless power supply communication device according to claim 1, characterized in that: the second communication unit comprises a second modulation subunit and a second filtered demodulation subunit,
the second modulation subunit is used for modulating the transmitted data signal;
the second filtering and demodulating subunit is configured to filter and demodulate the received data signal.
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| CN110022003A (en) * | 2018-01-10 | 2019-07-16 | 上海擎朗智能科技有限公司 | A kind of contactless power supply system of two-way wireless communication |
| CN110086506A (en) * | 2019-05-13 | 2019-08-02 | 中国地震局地震预测研究所 | A kind of watertight connector |
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| CN110022003A (en) * | 2018-01-10 | 2019-07-16 | 上海擎朗智能科技有限公司 | A kind of contactless power supply system of two-way wireless communication |
| CN108879979A (en) * | 2018-06-28 | 2018-11-23 | 哈尔滨理工大学 | A kind of rotary damping boring bar power-signal transmitting device |
| CN110086506A (en) * | 2019-05-13 | 2019-08-02 | 中国地震局地震预测研究所 | A kind of watertight connector |
| CN110086506B (en) * | 2019-05-13 | 2024-03-12 | 中国地震局地震预测研究所 | Watertight connector |
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