CN218633459U - High-power wireless charging system - Google Patents
High-power wireless charging system Download PDFInfo
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- CN218633459U CN218633459U CN202222101395.7U CN202222101395U CN218633459U CN 218633459 U CN218633459 U CN 218633459U CN 202222101395 U CN202222101395 U CN 202222101395U CN 218633459 U CN218633459 U CN 218633459U
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Abstract
The utility model discloses a high-power wireless charging system, including transmitting terminal and receiving terminal, the transmitting terminal is including transmission master controller, PFC module, full-bridge module, transmitting terminal resonance inductance, transmitting terminal resonance capacitance box, first sampling module, first wireless communication module, alarm module, the receiving terminal includes receiving terminal resonance inductance, receiving terminal resonance capacitance box, rectifier module, voltage stabilizing module, second sampling module, second wireless communication module, the utility model discloses a receiving and dispatching end resonance capacitance value's regulation has guaranteed the unanimity of receiving and dispatching end resonance frequency and switching frequency, has improved the holistic conversion efficiency of system, in addition, the utility model discloses have the wireless communication mechanism, the receiving terminal forms the closed loop feedback with the voltage, the current signal transmission who gathers to the transmitting terminal, can directly realize constant current constant voltage output, saves the special charging module of back level, has reduced the system cost, has improved system work efficiency.
Description
Technical Field
The utility model relates to a wireless charging technology field, concretely relates to high-power wireless charging system.
Background
The existing high-power wireless charging technology mainly carries out electric energy wireless transmission in an electromagnetic induction mode, and a receiving and transmitting end does not have a wireless feedback mechanism, so that the range of the induction voltage of the receiving end is enlarged, and therefore, the electronic element of the receiving end is required to be high-voltage resistant, the whole wireless charging system is high in cost, large in size and unstable in output, the variation range of the relative distance of induction coils of the receiving and transmitting end is small, and the overall conversion efficiency of the system is low.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a high-power wireless charging system changes the resonance mode, increases adjustable resonance electric capacity and realizes system low frequency magnetic resonance, increases quick wireless communication mechanism and realizes receiving and dispatching end closed loop feedback to reduce cost, reduce volume, stable output.
The scheme of the utility model is that: the utility model provides a high-power wireless charging system, includes the transmitting terminal that is used for launching the wireless power signal with commercial power connection to and be used for receiving the wireless power signal in order to the receiving terminal that charges to the load, the transmitting terminal is including transmission master controller, PFC module, full-bridge module, transmitting terminal resonance inductance, transmitting terminal resonance capacitance box, first sampling module, first wireless communication module, alarm module, PFC module, full-bridge module, first sampling module, first wireless communication module and alarm module are connected with the transmission master controller respectively, full-bridge module respectively with transmitting terminal resonance inductance, transmitting terminal resonance capacitance box are connected, the receiving terminal includes receiving terminal resonance inductance, receiving terminal resonance capacitance box, rectifier module, voltage stabilizing module, second sampling module, second wireless communication module respectively with the receiving master controller is connected, receiving terminal resonance inductance, receiving terminal resonance capacitance box respectively with rectifier module connects.
Preferably, the transmitting end resonant capacitor box and the receiving end resonant capacitor box each include a plurality of resonant capacitor units and corresponding switch units thereof, and the resonant capacitor units are composed of a plurality of resonant capacitors connected in series and/or in parallel.
Preferably, the transmitting end further comprises a first sampling module and a first wireless communication module, the receiving end further comprises a second sampling module and a second wireless communication module, the first sampling module and the first wireless communication module are respectively connected with the transmitting master controller, and the second sampling module and the second wireless communication module are respectively connected with the receiving master controller.
Preferably, the first sampling module comprises a first sampling unit, a first filtering unit, a first signal amplifying unit and a first digital-to-analog conversion unit which are connected in sequence, the first digital-to-analog conversion unit is connected with the transmission master controller, the second sampling module comprises a second sampling unit, a second filtering unit, a second signal amplifying unit and a second digital-to-analog conversion unit which are connected in sequence, and the second digital-to-analog conversion unit is connected with the reception master control unit.
Preferably, the first sampling unit comprises a first temperature acquisition unit, a first voltage acquisition unit and a first current acquisition unit, and the second sampling unit comprises a second temperature acquisition unit, a second voltage acquisition unit and a second current acquisition unit.
Preferably, the first wireless communication module and the second wireless communication module include any one of bluetooth and WIFI.
Preferably, the alarm module comprises a buzzer and an indicator light, and the buzzer and the indicator light are respectively connected with the emission main control circuit.
The beneficial effects of the utility model are embodied in: the utility model provides a high-power wireless charging system, include the transmitting terminal who is used for transmitting the wireless power signal with mains connection to and be used for receiving the receiving terminal that the wireless power signal charges in order to the load, the transmitting terminal is including transmission master controller, PFC module, full-bridge module, transmitting terminal resonance inductance, transmitting terminal resonance capacitance box, first sampling module, first wireless communication module, alarm module, the receiving terminal includes receiving terminal resonance inductance, receiving terminal resonance capacitance box, rectifier module, voltage stabilizing module, second sampling module, second wireless communication module.
Through the transmission master controller, the regulation of transmitting terminal parallel resonance electric capacity appearance value has been realized with the cooperation to transmitting terminal resonance inductance and transmitting terminal resonance electric capacity, lead to the receiving terminal master controller, receiving terminal resonance inductance and receiving terminal resonance electric capacity box have realized the regulation of receiving terminal series resonance electric capacity appearance value, the unanimity of receiving and dispatching terminal resonant frequency and switching frequency has been guaranteed, output instability has been avoided, the holistic conversion efficiency of system has been improved, furthermore, system receiving and dispatching terminal has the wireless communication mechanism, the voltage after the rectification filtering that the receiving terminal will gather, current real-time transmission forms closed loop feedback to the transmitting terminal, can directly realize constant current constant voltage output, save the special module of charging of back level. The system cost is reduced, the system stability is enhanced, and the system working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a high-power wireless charging system provided by the present invention.
Detailed Description
Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the embodiment of the utility model provides a high-power wireless charging system, include the transmitting terminal that is used for transmitting the wireless power signal with mains connection to and be used for receiving the receiving terminal that the wireless power signal charges in order to load, the transmitting terminal includes transmission master controller, PFC module, full-bridge module, transmitting terminal resonance inductance, transmitting terminal resonance capacitance box, first sampling module, first wireless communication module, alarm module, PFC module, full-bridge module, first sampling module, first wireless communication module and alarm module are connected with the transmission master controller respectively, full-bridge module respectively with transmitting terminal resonance inductance, transmitting terminal resonance capacitance box are connected, the receiving terminal includes receiving terminal resonance inductance, receiving terminal resonance capacitance box, rectifier module, voltage stabilizing module, second sampling module, second wireless communication module respectively with the receiving master controller is connected, receiving terminal resonance inductance, resonance capacitance box respectively with rectifier module connects.
The utility model discloses the theory of operation:
the utility model provides a high-power wireless charging system adopts magnetic resonance's mode to realize remote (need not the contact) wireless charging to the load, and wherein the load can be for electronic equipment such as smart mobile phone, fan, installs the receiving terminal on electronic equipment to place this equipment in the launch site of launch end 1, can realize remote charging (can contact, also contactless), convenient and practical, specifically:
a transmitting end: the transmitting end can provide an electric energy signal for the receiving end in a magnetic resonance mode, and when the receiving end works, 220V alternating current is input by commercial power and is converted into high-voltage direct current voltage after being boosted by the PFC module; then, the high-voltage direct-current voltage is converted into a direct-current square wave through the full-bridge module, and the direct-current square wave is converted into an alternating-current sine wave through the transmitting end resonant inductor and the transmitting end resonant capacitor box which are connected in parallel and then transmitted to the receiving end; after the transmitting main controller is started, the first sampling module is controlled to monitor the working state of the resonant capacitor box at the transmitting end, including current, voltage, temperature, inductance strength and the like, so that the stability of an electric energy signal transmitted by the transmitting end is ensured; if the abnormal condition exists, the emission main controller can control the alarm module to give an alarm.
Receiving end: the receiving terminal receives the electric energy signal sent by the transmitting terminal in a magnetic resonance mode, and during work, the electric energy signal sent by the transmitting terminal is received through the receiving terminal resonance inductor and the receiving terminal resonance capacitance box which are connected in parallel, and is converted into stable direct current through the rectifying module and the voltage stabilizing module, so that a stable power supply is provided for a load.
Furthermore, because the utility model provides a high-power wireless charging system's receiving and dispatching end has the wireless communication mechanism, and the receiving terminal is with voltage, the electric current real-time transmission behind the rectifying and filtering, the steady voltage that gather to the transmitting terminal formation closed loop feedback, can directly realize constant current constant voltage output, has saved the back level and has specially charged the module, has reduced system cost, has strengthened system stability, has improved system work efficiency.
The utility model provides a high-power wireless charging system can all obtain fine the using in many scenes, for example, storage intelligence transport AGV charging methods, and traditional mode is that it goes to carry out short-lived high-power charging (benefit the electricity) to utilize the working gap (for example during getting in stock, giving way), just can keep continuous uninterrupted duty. Use traditional wireless charging mode AGV can carry out wireless charging after the accurate position control many times when needs charge, adjust time is long, and the position has not adjusted yet even, and AGV has left, leads to intermittent type to charge the failure. And use the utility model provides a high-power wireless charging system has then saved accurate position control time and can mend the electricity fast to AGV. The utility model discloses have better universality.
It should be noted that the transmitting end resonant capacitor box and the receiving end resonant capacitor box both include a plurality of resonant capacitor units and corresponding switch units thereof, and the resonant capacitor units are composed of a plurality of resonant capacitors connected in series and/or in parallel. Specifically, the switch unit comprises a semiconductor switch tube, and the capacitance value of the resonant capacitance box access system is changed by switching on and off the semiconductor switch tube, so that the natural resonant frequency of the access system is adjusted, the consistency of the natural resonant frequency and the switching frequency is ensured, the overall conversion efficiency of the system is improved, and the capacitance value needs to be changed because the relative distance change of the transceiving ends can cause the inductance value change, so that the transmission offset between the natural resonant frequency of the coil and the capacitance box and the system switching frequency is caused, the output is unstable, and the transmission efficiency is low.
It is worth to say that the transmitting terminal further comprises a first sampling module and a first wireless communication module, the receiving terminal further comprises a second sampling module and a second wireless communication module, the first sampling module and the first wireless communication module are respectively connected with the transmitting master controller, and the second sampling module and the second wireless communication module are respectively connected with the receiving master controller.
It should be noted that the first sampling module includes a first sampling unit, a first filtering unit, a first signal amplifying unit and a first digital-to-analog conversion unit, which are connected in sequence, the first digital-to-analog conversion unit is connected with the transmission master controller, the second sampling module includes a second sampling unit, a second filtering unit, a second signal amplifying unit and a second digital-to-analog conversion unit, which are connected in sequence, and the second digital-to-analog conversion unit is connected with the reception master control unit.
It is worth to explain that the first sampling unit includes a first temperature acquisition unit, a first voltage acquisition unit and a first current acquisition unit, and the second sampling unit includes a second temperature acquisition unit, a second voltage acquisition unit and a second current acquisition unit.
It is worth to be noted that the first wireless communication module and the second wireless communication module include any one of bluetooth and WIFI.
It is worth to say, alarm module includes bee calling organ and pilot lamp, bee calling organ with the pilot lamp respectively with the transmission main control way is connected.
The output signal conditions of the voltage stabilizing circuit, including current, voltage, temperature and the like, can be accurately acquired through the second sampling module, and the signals acquired by the second sampling module can be transmitted to the transmitting end main controller through the second wireless communication module and the first wireless communication module; the first sampling module can accurately collect the output signal condition of the resonant capacitor box at the transmitting end, and comprises current, voltage, temperature and the like, when the signal collected by the first sampling module or the second sampling module is abnormal, the main controller at the transmitting end can send out an alarm signal, so that the buzzer alarms and the indicator lamp flickers, and a user can be warned in time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a high-power wireless charging system, includes the transmitting terminal that is used for transmitting the wireless power signal with the commercial power connection to and be used for receiving the wireless power signal in order to the receiving terminal that charges to the load, its characterized in that, the transmitting terminal is including transmission master controller, PFC module, full-bridge module, transmitting terminal resonance inductance, transmitting terminal resonance capacitance box, first sampling module, first wireless communication module, alarm module, PFC module, full-bridge module, first sampling module, first wireless communication module and alarm module are connected with the transmission master controller respectively, the full-bridge module respectively with transmitting terminal resonance inductance, transmitting terminal resonance capacitance box are connected, the receiving terminal is including receiving master controller, receiving terminal resonance inductance, receiving terminal resonance capacitance box, rectifier module, voltage stabilizing module, second sampling module, second wireless communication module, rectifier module, voltage stabilizing module, second wireless communication module respectively with receive the master controller and connect, receiving terminal resonance inductance, receiving terminal resonance capacitance box respectively with rectifier module connects.
2. The high-power wireless charging system according to claim 1, wherein the transmitting end resonant capacitor box and the receiving end resonant capacitor box each comprise a plurality of resonant capacitor units and their corresponding switch units, and the resonant capacitor units are composed of a plurality of series and/or parallel resonant capacitors.
3. The high-power wireless charging system according to claim 1, wherein the transmitting end further comprises a first sampling module and a first wireless communication module, the receiving end further comprises a second sampling module and a second wireless communication module, the first sampling module and the first wireless communication module are respectively connected with the transmitting master controller, and the second sampling module and the second wireless communication module are respectively connected with the receiving master controller.
4. The high-power wireless charging system according to claim 3, wherein the first sampling module comprises a first sampling unit, a first filtering unit, a first signal amplifying unit and a first digital-to-analog converting unit which are connected in sequence, the first digital-to-analog converting unit is connected with the transmitting master controller, the second sampling module comprises a second sampling unit, a second filtering unit, a second signal amplifying unit and a second digital-to-analog converting unit which are connected in sequence, and the second digital-to-analog converting unit is connected with the receiving master controller.
5. The high-power wireless charging system according to claim 4, wherein the first sampling unit comprises a first temperature collecting unit, a first voltage collecting unit and a first current collecting unit, and the second sampling unit comprises a second temperature collecting unit, a second voltage collecting unit and a second current collecting unit.
6. The high-power wireless charging system according to claim 3, wherein the first wireless communication module and the second wireless communication module comprise any one of Bluetooth and WIFI.
7. The high-power wireless charging system according to claim 1, wherein the alarm module comprises a buzzer and an indicator light, and the buzzer and the indicator light are respectively connected with the transmission main control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222101395.7U CN218633459U (en) | 2022-08-10 | 2022-08-10 | High-power wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222101395.7U CN218633459U (en) | 2022-08-10 | 2022-08-10 | High-power wireless charging system |
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| Publication Number | Publication Date |
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| CN218633459U true CN218633459U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222101395.7U Active CN218633459U (en) | 2022-08-10 | 2022-08-10 | High-power wireless charging system |
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| CN (1) | CN218633459U (en) |
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- 2022-08-10 CN CN202222101395.7U patent/CN218633459U/en active Active
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