CN116470624B - Wireless charging device configuration method, device, equipment and readable storage medium - Google Patents

Wireless charging device configuration method, device, equipment and readable storage medium Download PDF

Info

Publication number
CN116470624B
CN116470624B CN202310722794.1A CN202310722794A CN116470624B CN 116470624 B CN116470624 B CN 116470624B CN 202310722794 A CN202310722794 A CN 202310722794A CN 116470624 B CN116470624 B CN 116470624B
Authority
CN
China
Prior art keywords
wireless
coil
wireless charging
wireless power
charging device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310722794.1A
Other languages
Chinese (zh)
Other versions
CN116470624A (en
Inventor
何嘉兴
方健
杨帆
周凤翔
张敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN202310722794.1A priority Critical patent/CN116470624B/en
Publication of CN116470624A publication Critical patent/CN116470624A/en
Application granted granted Critical
Publication of CN116470624B publication Critical patent/CN116470624B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/01—Resonant DC/DC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/4807—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode having a high frequency intermediate AC stage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

The application provides a wireless charging device configuration method, a wireless charging device configuration device, wireless charging equipment and a readable storage medium, when a battery of a sensor of a cable channel needs to be charged, the application can utilize a three-coil wireless charging equivalent model to adjust an equivalent output load of a three-coil wireless energy transmission system; the output voltage of the system reaches the rated charging voltage of the battery of the sensor of the wireless charging device by adjusting the switching duty ratio of the direct current converter of the wireless charging device; after the rated charging voltage of the battery of the sensor of the wireless charging device is regulated, the output power and efficiency of the system can be determined by using a three-coil wireless charging equivalent model; then, according to the efficiency and output power of the three-coil wireless energy transmission system, determining the three-coil wireless energy transmission system and each loop current; so that the withstand voltage and the withstand current of the wireless charging device can be set according to the current of each loop of the system, thereby protecting the wireless charging device and prolonging the service life of the wireless charging device.

Description

Wireless charging device configuration method, device, equipment and readable storage medium
Technical Field
The present disclosure relates to the field of wireless charging technologies, and in particular, to a wireless charging device configuration method, device, equipment, and readable storage medium.
Background
The wireless power transmission technology is also called as non-contact power transmission technology, and is characterized in that the power is converted into relay energy in other forms through a transmitting coil, such as electromagnetic field energy, laser, microwaves, mechanical waves and the like, after a certain distance is transmitted at intervals, the relay energy is converted into the power through a receiving coil, so that wireless transmission of the power is realized.
In the practical application process, the cable duct is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, is also an enclosure structure of the laid cable facilities, and has pipeline structure forms such as rectangle, circle, arch and the like. In the practical application process, some cable channels are formed by supporting a mould after digging the grooves, binding reinforcing steel bars, pouring concrete, backfilling the periphery of the channels, and buckling a reinforced concrete cover plate on the channels after the cables are laid. Because the transmission line has certain requirements on the environment, the environment in the cable channel needs to be detected. Thus, there are various sensors inside the cable channel for monitoring the channel environment. The sensor that adopts battery power supply generally is adopted to cable channel inside, and when the sensor of cable channel inside is at the electric quantity when using up, the staff needs to open cable channel's concrete apron, enters into the cable channel environment and carries out the manual replacement battery, and under the more circumstances of sensor, the battery of change sensor can aggravate staff's burden to can bring certain potential safety hazard, influence the battery work efficiency of staff's change sensor, consequently, how to charge for cable channel's sensor better always is a difficult problem.
Disclosure of Invention
The present application aims to solve at least one of the above technical drawbacks, and accordingly, the present application provides a wireless charging device configuration method, device, apparatus and readable storage medium, which are used for solving the technical drawbacks of the prior art that the sensor in the cable channel is difficult to charge.
A wireless charging device configuration method, comprising:
adjusting the equivalent output load of the three-coil wireless energy transmission system by using a preset three-coil wireless charging equivalent model;
adjusting the switching duty cycle of a direct current converter of a wireless charging device so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of a battery of a sensor of the wireless charging device; wherein, wireless charging device includes: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; wherein the wireless power transmitting device and the power supply are carried on the movable equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device and use the direct current output by the wireless charging device to charge a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device;
Determining the output power and efficiency of the three-coil wireless energy transmission system by using the three-coil wireless charging equivalent model;
determining each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system;
and setting the withstand voltage and the withstand current of the wireless charging device according to the current of each loop of the three-coil wireless energy transmission system.
Preferably, the high-frequency inverter for wireless power transmission of the wireless charging device comprises at least 4 field effect transistors and driving signals corresponding to the field effect transistors, and the high-frequency inverter is connected with a first resonance compensation capacitor and a wireless power transmitting coil;
a relay coil in the wireless power relay device is connected with a second resonance compensation capacitor;
and a receiving coil in the wireless electric energy receiving device is connected with a third resonance compensation capacitor.
Preferably, the creating process of the preset three-coil wireless charging equivalent model includes:
equivalent a battery of a sensor device of the wireless charging device as a first load;
the input resistance of a direct current converter in a wireless electric energy receiving device of the wireless charging device is equivalent to a second load;
The input resistance of the alternating current side of a full-bridge rectifier in a wireless electric energy receiving device of the wireless charging device is equivalent to a third load;
calculating the voltage gain and the output power of the three-coil wireless energy transmission system;
calculating the output voltage of a full-bridge rectifier in the wireless power receiving device and the output voltage of a direct current converter in the wireless power receiving device;
and determining the efficiency of the three-coil wireless energy transmission system and each loop current of the three-coil wireless energy transmission system according to the output voltage of the full-bridge rectifier in the wireless energy receiving device and the output voltage of the direct current converter in the wireless energy receiving device.
Preferably, the formula for calculating the voltage gain and the output power of the three-coil wireless energy transmission system comprises the following steps:
;
wherein,
representing the output voltage of the high frequency inverter;
representing the input voltage of the alternating current side of the full-bridge rectifier of the wireless charging device;
representing the voltage gain of the three-coil wireless energy transmission system;
representing the output power of the three-coil wireless energy transmission system;
the angular frequency of the three-coil wireless energy transmission system is represented;
representing the input resistance of the alternating current side of the full-bridge rectifier of the wireless charging device;
Representing an internal resistance of a transmitting coil of a wireless power transmitting device in the wireless charging device;
representing an internal resistance of a relay coil of a wireless power relay device in the wireless charging device;
representing an internal resistance of a receiving coil of a wireless power receiving device in the wireless charging device;
representing mutual inductance between a transmitting coil of a wireless power transmitting device in the wireless charging device and a relay coil of a wireless power relay device in the wireless charging device;
the mutual inductance between the relay coil of the wireless power relay device in the wireless charging device and the receiving coil of the wireless power receiving device in the wireless charging device is shown.
Preferably, the wireless power transmitting coil is mounted on the mobile device;
the high-frequency inverter is connected with a resonance compensation network device corresponding to the wireless power transmitting coil so as to transmit wireless power to the wireless power relay device through the wireless power transmitting coil.
Preferably, the wireless power relay device is mounted on a cover plate of the target cable trench, so that the wireless power transmitting device and the wireless power relay device generate magnetic field coupling and transmit energy through the cover plate of the target cable trench.
A wireless charging device configuration device, comprising:
the first adjusting unit is used for adjusting the equivalent output load of the three-coil wireless energy transmission system by using a preset three-coil wireless charging equivalent model;
the second adjusting unit is used for adjusting the switching duty ratio of the direct current converter of the wireless charging device so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of the battery of the sensor of the wireless charging device; wherein, wireless charging device includes: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; wherein the wireless power transmitting device and the power supply are carried on the movable equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device and use the direct current output by the wireless charging device to charge a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device;
The first determining unit is used for determining the output power and the efficiency of the three-coil wireless energy transmission system by utilizing the three-coil wireless charging equivalent model;
the second determining unit is used for determining each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system;
the setting unit is used for setting the withstand voltage and the withstand current of the wireless charging device according to the loop current of the three-coil wireless energy transmission system.
A wireless charging device configuration apparatus, comprising: one or more processors, and memory;
the memory has stored therein computer readable instructions which, when executed by the one or more processors, implement the steps of the wireless charging device configuration method of any of the preceding introduction.
A readable storage medium having stored therein computer readable instructions which, when executed by one or more processors, cause the one or more processors to implement the steps of the wireless charging device configuration method of any of the preceding introduction.
According to the technical scheme, when the battery of the sensor of the cable channel is required to be charged, the method provided by the embodiment of the application can utilize the preset three-coil wireless charging equivalent model to adjust the equivalent output load of the three-coil wireless energy transmission system; the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of the battery of the sensor of the wireless charging device by adjusting the switching duty ratio of the direct current converter of the wireless charging device; wherein, wireless charging device can include: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; the wireless power transmitting device and the power supply are carried on the mobile equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct-current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device, and the direct-current output by the wireless charging device is used for charging a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device. After the rated charging voltage of the battery of the sensor of the wireless charging device is regulated, the output power and the efficiency of the three-coil wireless energy transmission system can be determined by using a three-coil wireless charging equivalent model; then, each loop current of the three-coil wireless energy transmission system can be determined according to the efficiency and the output power of the three-coil wireless energy transmission system; so that the withstand voltage and the withstand current of the wireless charging device can be set according to the current of each loop of the three-coil wireless energy transmission system, thereby protecting the wireless charging device and prolonging the service life of the wireless charging device.
According to the wireless charging device, when the battery of the sensor of the cable channel is required to be charged, the wireless charging device which is charged by the wireless power transmission technology is provided, the cover plate of the cable channel can be opened without a worker, the worker does not need to enter the cable channel, the battery of the sensor of the cable channel can be charged by moving the movable equipment to the upper side of the cover plate of the cable channel, and the worker does not need to contact a high-voltage cable in a wireless charging mode, so that the safety of the worker can be effectively guaranteed. Further, in the practical application process, because the staff generally needs to resort to some tools to open the apron of cable channel, and this work of opening the apron of cable channel can consume a large amount of manpowers, open the apron of cable channel and change the battery of the inside sensor of cable channel and also very waste staff's physical power, open the concrete apron of cable channel and can reduce the staff and change the work efficiency of sensor battery, and the scheme that this application embodiment provided can utilize wireless electric energy transmission technology to charge the battery of the sensor of cable channel, save the operation of opening the concrete apron of cable channel, can effectively improve staff's work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a flowchart of a method for implementing configuration of a wireless charging device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a cable channel according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a wireless charging device according to an embodiment of the present application;
fig. 4 is a schematic circuit diagram of a wireless charging device according to an embodiment of the present application;
fig. 5 is a schematic diagram of an equivalent circuit structure of a three-coil structure of a wireless charging device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a wireless charging device configuration device according to an example of the embodiment of the present application;
fig. 7 is a block diagram of a hardware structure of a wireless charging device configuration apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the practical application process, the inductive wireless power transmission technology is one of the wireless power transmission technologies, the inductive wireless power transmission system can comprise an energy transmitting end and an energy receiving end,
the energy transmitting end can comprise a high-frequency inverter, a transmitting end resonance compensation network and a transmitting coil, the high-frequency inverter can change direct current into high-frequency alternating current, and the high-frequency alternating current can generate a high-frequency alternating current magnetic field in the transmitting coil through the resonance compensation network.
The energy receiving end can comprise a receiving coil, a receiving end resonance compensation network and a high-frequency rectifier, the receiving coil can output high-frequency alternating current to the high-frequency rectifier through the receiving end resonance compensation network after sensing a high-frequency magnetic field generated by the transmitting coil, the high-frequency rectifier can convert the alternating current into direct current and provide electric energy for a load, and the wireless transmission of the electric energy from the energy transmitting end to the energy receiving end is realized.
In view of the fact that most of the current wireless charging device configuration schemes are difficult to adapt to complex and changeable service demands, for this reason, the applicant researches a wireless charging device configuration scheme, and when a battery of a sensor of a cable channel needs to be charged, the embodiment of the application provides a wireless charging device for charging by using a wireless power transmission technology. Further, in the practical application process, because the staff opens the apron of cable channel and generally needs to resort to some instruments to this work of opening the apron of cable channel can consume a large amount of manpowers, and the apron of opening cable channel is used for changing the battery of the inside sensor of cable channel and is also very wasteful staff's physical power, and the concrete apron of opening cable channel can reduce the staff and change the work efficiency of sensor battery, and the scheme that this application embodiment provided can utilize wireless electric energy transmission technique to charge the battery of the sensor of cable channel, saves the concrete apron of opening cable channel, can effectively improve staff's work efficiency.
The methods provided by the embodiments of the present application may be used in a wide variety of general purpose or special purpose computing device environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet devices, multiprocessor devices, distributed computing environments that include any of the above devices or devices, and the like.
The embodiment of the application provides a wireless charging device configuration method, which can be applied to various wireless power transmission systems, various computer terminals or intelligent terminals, and an execution subject of the wireless charging device configuration method can be a processor or a server of the computer terminals or the intelligent terminals.
The following describes, with reference to fig. 1 to 3, a flow of a wireless charging device configuration method according to an embodiment of the present application, as shown in fig. 1, where the flow may include the following steps:
step S101, adjusting the equivalent output load of the three-coil wireless energy transmission system by using a preset three-coil wireless charging equivalent model.
Specifically, as is apparent from the above description, the cable trench is generally used for laying and replacing underground pipelines of electric power or telecommunication cable facilities, and is also an enclosure structure of the laid cable facilities, and has pipeline structures in the forms of rectangle, circle, arch and the like.
Fig. 2 illustrates a schematic diagram of a cable channel structure.
As shown in fig. 2, the cable channel may include a power cable a1, a concrete cover a2, a cable channel sensor a4, and an iron stand a3 for fixing the cable channel sensor a 4.
The cable channel is formed by supporting a mould after the trench is excavated, binding reinforcing steel bars, pouring concrete, backfilling the periphery of the channel, and buckling a reinforced concrete cover plate on the channel after the cable is laid.
In the practical application process, the cable channel sensor device 4 is generally installed at a position 30-50 cm away from the ground below the cable channel, and is fixed on a wall surface made of lateral concrete through the supporting platform 3.
In the practical application process, as the power transmission line has certain requirements on the environment, the environment in the cable channel needs to be detected, and therefore, various sensors for monitoring the environment of the channel exist in the cable channel. The sensor inside the cable channel for detecting the channel environment is typically a battery powered sensor.
When the battery-powered sensor is exhausted, a worker needs to open the concrete cover plate of the cable channel and enter the cable channel environment to manually replace the battery. If the sensors in the cable channels are more, the burden of the staff can be increased by replacing the batteries of the sensors in the cable channels, and certain potential safety hazards can be brought, and secondly, the concrete cover plate of the cable channels is opened, so that the physical strength of the staff is very consumed, and the working efficiency of the staff for replacing the batteries of the sensors in the cable channels is affected.
In the practical application process, the traditional scheme of replacing the battery for the sensor inside the cable channel generally needs to manually open the cover plate of the cable channel, and the work consumes huge manpower and material resources and has extremely low work efficiency.
With the development of wireless charging technology, it is considered to charge the sensor inside the cable channel by using the wireless charging technology.
Therefore, the wireless charging device provided by the embodiment of the application can charge the sensor inside the cable channel by utilizing the wireless charging technology.
For example, the number of the cells to be processed,
fig. 3 illustrates a schematic structural diagram of a wireless charging device according to an embodiment of the present application.
As shown in fig. 3, the wireless charging apparatus may include a movable device 11, a wireless power transmitting apparatus, a wireless power relay apparatus, a wireless power receiving apparatus, a sensor apparatus, a power supply 12;
wherein,
the power source 12 may be a battery;
the mobile device may be a mobile cart;
the wireless power transmitting apparatus and the power supply 12 may be mounted on the movable device 11;
wherein,
the radio energy transmitting device may include a high frequency inverter 23, a radio energy transmitting coil 21, and a resonance compensation network device 22 corresponding to the radio energy transmitting coil;
Wherein,
the high frequency inverter 23 may convert the direct current into a high frequency alternating current.
The high-frequency inverter 23 may be directly connected to the power source 12, and the power source 12 is connected to the high-frequency inverter 23 of the wireless power transmission device and may be used to supply power to the high-frequency inverter 23 of the wireless power transmission device; and the output of the high-frequency inverter 23 may be connected by wires to the radio energy transmitting coil 21 located at the bottom of the mobile device 11 and the resonance compensation network means 22 corresponding to the radio energy transmitting coil.
It will be appreciated that the radio energy transmitting coil 21 and the corresponding resonance compensation network means 22 of the radio energy transmitting coil may be mounted at the bottom of the mobile device 11.
In the practical application process, the energy can be transmitted to the wireless power relay device through the wireless power transmitting device.
Wherein,
the wireless power relay device may include a relay coil 31 and a resonance compensation network device 32 corresponding to the relay coil;
wherein,
the repeater coil 31 and the resonance compensation network device 32 corresponding to the repeater coil in the wireless power repeater device may be installed at the bottom or inside of the concrete cover plate a2 of the cable channel, i.e., at the top of the underground cable channel.
In the practical application process, the wireless electric energy relay device is used as an energy transfer station, and can transmit the energy to the wireless electric energy receiving device after receiving the energy transmitted by the wireless electric energy transmitting device.
Wherein,
the wireless power receiving device may include a full bridge rectifier 43, a dc converter 44, a filter capacitor 45 corresponding to the dc converter, a receiving coil 41, and a resonance compensation network device 42 corresponding to the receiving coil.
Wherein,
the DC converter 44 may be a DC/DC converter;
the receiving coil 41 of the wireless power receiving device, the resonance compensation network device 42 corresponding to the receiving coil, the full-bridge rectifier 43, the direct-current converter 44 and the filter capacitor 45 corresponding to the direct-current converter can be all installed on the supporting platform 3 where the cable channel sensor a4 is located.
Wherein,
the receiving coil 41 of the wireless power receiving device is connected with the resonance compensation network device 42 corresponding to the receiving coil, so that the receiving coil can be connected to the full-bridge rectifier 43 through a wire, the output voltage of the wireless charging device is regulated through the direct current converter 44, and finally, the battery inside the sensor 4 connected to the cable channel through the filter capacitor 45 corresponding to the direct current converter and the wire is charged.
Wherein,
the receiving coil 41 of the wireless power receiving device is connected with the resonance compensation network device 42 corresponding to the receiving coil, so that the high-frequency current output by the wireless charging device can output rated direct current through the full-bridge rectifier and the direct current converter of the wireless power receiving device, and the direct current output by the wireless charging device is used for charging the battery of the sensor device.
Wherein,
the high-frequency inverter for wireless power transmission of the wireless charging device can comprise at least 4 field effect transistors and driving signals corresponding to the field effect transistors, and the high-frequency inverter is connected with a first resonance compensation capacitor and a wireless power transmission coil;
a relay coil in the wireless power relay device can be connected with a second resonance compensation capacitor;
a third resonance compensation capacitor may be connected to the receiving coil in the wireless power receiving device.
Wherein,
a wireless power transmitting coil may be mounted on the mobile device;
the high frequency inverter may be connected to a resonance compensation network device corresponding to the wireless power transmitting coil so that wireless power may be transmitted to the wireless power relay device through the wireless power transmitting coil.
Wherein,
the wireless power relay device can be mounted on the cover plate of the target cable trench so that the wireless power transmitting device can generate magnetic field coupling with the wireless power relay device and transmit energy through the cover plate of the target cable trench.
In the practical application process, in order to better utilize the wireless charging device to charge the sensor of the cable channel, the wireless charging device can be equivalent to a three-coil wireless energy transmission system.
Therefore, the preset three-coil wireless charging equivalent model can be utilized to adjust the equivalent output load of the three-coil wireless energy transmission system, so that each parameter of the wireless charging device can be better configured, and the wireless charging device can be better controlled to charge the sensor of the cable channel.
Step S102, the on-off duty ratio of the direct current converter of the wireless charging device is adjusted so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of the battery of the sensor of the wireless charging device.
Specifically, as can be seen from the foregoing description, the wireless charging device provided in the embodiments of the present application may include a dc converter.
The dc converter may comprise at least one switch.
The number of switches of the dc converter may affect the output voltage of the wireless charging device and thus the nominal charging voltage of the battery of the sensor of the wireless charging device.
In order to make the charging effect of the wireless charging device be the best, the on-off duty ratio of the direct current converter of the wireless charging device can be adjusted so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of the battery of the sensor of the wireless charging device, and the charging effect of the wireless charging device is improved.
And step S103, determining the output power and the efficiency of the three-coil wireless energy transmission system by using the three-coil wireless charging equivalent model.
Specifically, as can be seen from the above description, the embodiments of the present application can simulate a wireless charging device using a three-coil wireless charging equivalent model.
Therefore, in order to set the output power and efficiency of the wireless charging device, the output power and efficiency of the three-coil wireless energy transfer system may be determined using the three-coil wireless charging equivalent model, so that the output power and efficiency of the wireless charging device may be set with reference to the output power and efficiency of the three-coil wireless energy transfer system.
Step S104, determining each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system.
Specifically, as can be seen from the above description, the method provided by the embodiments of the present application can determine the output power and efficiency of the three-coil wireless energy transmission system.
In the practical application process, the three-coil wireless energy transmission system comprises at least one loop.
For example, the number of the cells to be processed,
the three-coil wireless energy transfer system may include: a transmit coil loop, a relay coil loop, and a receive coil loop.
The current of each loop of the three-coil wireless energy transmission system is related to the output power and efficiency of the three-coil wireless energy transmission system.
Further, after determining the output power and efficiency of the three-coil wireless-enabled system, the output power and efficiency of the three-coil wireless-enabled system may be utilized to determine the current of each loop of the three-coil wireless-enabled system.
Step S105, setting a withstand voltage and a withstand current of the wireless charging device according to each loop current of the three-coil wireless energy transmission system.
Specifically, as can be seen from the above description, the method provided by the embodiments of the present application can determine the respective loop currents of the three-coil wireless energy transmission system.
According to the structure of the wireless charging device, the wireless charging device can be equivalent to a three-coil wireless energy transmission system.
In order to better protect the wireless charging device, the withstand voltage and withstand current of the wireless charging and device may be set so as not to exceed the withstand value of the wireless charging device, damaging the wireless charging device.
Therefore, the withstand voltage and the withstand current of the wireless charging device can be set according to the respective loop currents of the three-coil wireless energy transfer system.
For example, the number of the cells to be processed,
As shown in the figure 3 of the drawings,
in the practical application process, the movable equipment trolley moves to the position above the channel of the cable channel sensor device under the traction of a worker, a storage battery carried on the movable trolley is connected with a high-frequency inverter of the wireless electric energy transmitting device, and the high-frequency inverter of the wireless electric energy transmitting device is connected with a resonance compensation network of the wireless electric energy transmitting device.
The wireless electric energy transmitting device is coupled through a magnetic field, and generates induced electromotive force in a relay coil of the wireless electric energy relay device through a concrete cover plate; the relay coil of the wireless power relay device is connected with a resonance compensation network, and is coupled with the wireless power receiving device to generate a magnetic field, and induced electromotive force is generated in the receiving coil of the wireless power receiving device; the receiving coil of the wireless electric energy receiving device is connected with a full-bridge rectifier and a DC/DC (direct current/direct current) converter device of the wireless electric energy receiving device after passing through a resonance compensation network, and the output of the full-bridge rectifier charges a lithium battery of the cable channel sensor device after passing through the DC/DC converter and a filter capacitor of the wireless electric energy receiving device.
For example, the number of the cells to be processed,
in the practical application process, a worker can push the movable trolley to a designated position, namely, the position above the concrete cover plate where the relay coil is located. The storage battery power supply on the trolley is started, so that the high-frequency inverter and the transmitting coil on the trolley start to work, the high-frequency inverter converts direct current into high-frequency alternating current, electric energy is transmitted to the relay coil in a magnetic field coupling mode, the relay coil is magnetically coupled with the receiving coil after passing through the resonance compensation network, induced electromotive force is generated on the receiving coil, after passing through the resonance compensation network of the receiving coil, an obtained current fundamental wave component is output to the full-bridge rectifier, the output voltage of the full-bridge rectifier possibly does not reach the rated charging voltage of the sensor battery, therefore, the output voltage needs to be regulated through the DC/DC converter, the current after passing through the DC/DC converter has certain ripple waves, the output current needs to be smoothed through the primary filter capacitor, and the filtered current can provide direct current charging current for the cable channel sensor battery.
Therefore, the whole operation process of the wireless charging device is quite simple, a worker can realize wireless charging of the channel sensor only by moving the trolley and starting the power supply, the concrete cover plate does not need to be opened to go down to the channel for operation, the operation safety of the worker is ensured, and meanwhile, the working efficiency is also improved.
According to the technical scheme, when the battery of the sensor of the cable channel is required to be charged, the wireless charging device for charging by using the wireless power transmission technology is provided, the cover plate of the cable channel can be opened without a worker through the wireless charging device configuration scheme provided by the embodiment of the application, the worker does not need to enter the channel, the battery of the sensor of the cable channel can be charged only by moving the movable equipment to the upper side of the cover plate of the cable channel, and the worker does not need to contact a high-voltage cable in a wireless charging mode, so that the safety of the worker can be effectively ensured. Further, in the practical application process, because the staff opens the apron of cable channel and generally needs to resort to some instruments to this work of opening the apron of cable channel can consume a large amount of manpowers, and the apron of opening cable channel is used for changing the battery of the inside sensor of cable channel and is also very wasteful staff's physical power, and the concrete apron of opening cable channel can reduce the staff and change the work efficiency of sensor battery, and the scheme that this application embodiment provided can utilize wireless electric energy transmission technique to charge the battery of the sensor of cable channel, saves the concrete apron of opening cable channel, can effectively improve staff's work efficiency.
As can be seen from the above-described technical solutions, the method provided in the embodiments of the present application may utilize a preset three-coil wireless charging equivalent model to adjust an equivalent output load of a three-coil wireless energy transmission system, and then introduce a process for creating the preset three-coil wireless charging equivalent model, where the process may include the following steps:
step S201, equivalent a battery of a sensor device of the wireless charging device as a first load.
In particular, as is apparent from the above description, in order to better utilize the wireless charging device to charge the sensor device of the cable channel, the preset three-coil wireless charging equivalent model may be utilized to adjust the equivalent output load of the three-coil wireless energy transmission system, so that each parameter of the wireless charging device may be better configured, so that the wireless charging device may be better controlled to charge the sensor of the cable channel.
Fig. 4 illustrates a schematic circuit structure of a wireless charging device according to an embodiment of the present application;
fig. 5 illustrates a schematic diagram of a three-coil structure equivalent circuit of the wireless charging device according to the embodiment of the present application;
as shown in figure 4 of the drawings,
in the figureA dc power supply provided for the power supply 12.
The DC power supply is connected with the high-frequency inverter 23, and the high-frequency inverter 23 can be formed by，/>，/>Andfour MOS tubes.
The output of the high frequency inverter 23 is connected with the capacitance of the resonance compensation network device 22And self-inductance of the radio energy transmitting coil 21 +.>And internal resistance of the radio energy transmitting coil>。
The mutual inductance between the wireless power transmitting coil 21 and the relay coil 31 isThe mutual inductance between the radio energy transmitting coil 21 and the receiving coil 41 is +.>However, since the distance between the radio energy transmitting coil 21 and the receiving coil 41 is long, mutual inductance between them is +.>Negligible.
The self-inductance of the relay coil 31 may be set toThe internal resistance of the relay coil may be set to +.>。
The relay coil 31 is connected with a capacitor corresponding to the resonance compensation network device 32。
The mutual inductance between the relay coil 31 and the receiving coil 41 may be set as。/>
The self-inductance of the receiving coil 41 may be set toThe internal resistance of the receiving coil can be set to +.>。
The receiving coil 41 is connected with a capacitor corresponding to the resonance compensation network device 42。
Compensated fundamental currentThrough the full bridge rectifier 43 and the dc converter 44 and the filter capacitor 45 (+)>) Post output to equivalent load->。
The full bridge rectifier can be composed of，/>，/>，/>Four rectifier diodes and a capacitor- >Composition is prepared.
The DC converter 44 may be a MOS transistorInductance->Diode->The composition is formed.
The battery of the sensor device of the wireless charging device may be equivalently a load;
the battery of the sensor device of the wireless charging device can be equivalent to a first load。
Step S202, equivalent an input resistance of the dc converter in the wireless power receiving device of the wireless charging device to the second load.
In particular, as can be seen from the above description, the wireless charging device includes a dc converter; the input resistance of the dc converter in the wireless power receiving device of the wireless charging device can be equivalent to the firstTwo-load。
In step S203, the input resistance of the ac side of the full-bridge rectifier in the wireless power receiving device of the wireless charging device is equivalent to the third load.
Specifically, as can be seen from the above description, the wireless charging device includes the full-bridge rectifier, and the input resistance of the ac side of the full-bridge rectifier in the wireless power receiving device of the wireless charging device can be equivalent to the third load。
Step S204, calculating the voltage gain and the output power of the three-coil wireless energy transmission system.
Specifically, in the practical application process, the output voltage and output power of the wireless charging device need to meet the requirements of the voltage and output power that the wireless charging device can bear.
As can be seen from the above description, the method provided by the embodiments of the present application can equivalent the wireless charging device to a three-coil wireless energy transmission system.
Thus, the voltage gain and output power of the three-coil wireless energy transfer system can be calculated to set the voltage and output power of the wireless charging device.
Wherein,
as can be seen from the above description, the method provided by the embodiment of the present application can equivalent the battery of the sensor device of the wireless charging device to the first load；
The input resistance of the direct current converter in the wireless power receiving device of the wireless charging device can be equivalent to the second load；
Input resistor on alternating current side of full bridge rectifier in wireless power receiving device of wireless charging deviceEquivalent to a third load。
As shown in the circuit structure of the wireless charging device shown in fig. 4, a first loadSecond load->Third load->The relationship that exists between may be as follows: />
（1）
（2）
The relationship between the DC input voltage of the three-coil wireless energy transmission system and the output voltage of the high-frequency inverter can be obtained by analyzing according to a harmonic approximation method, and the relationship is as follows:
（3）
wherein,
the direct current input voltage of the three-coil wireless energy transmission system can be represented;
can represent the output voltage of the high frequency inverter;
α may be expressed as a conduction angle of the high-frequency inverter, and the magnitude of the output voltage of the high-frequency inverter may be adjusted by adjusting the conduction angle α of the high-frequency inverter.
According to the three-coil structure equivalent circuit diagram of the wireless charging device shown in fig. 5, the KVL equation can be written as follows:
（4）
wherein,
（5）
wherein,
the impedance of the wireless power transmitting coil loop, which may be represented as a wireless charging device;
the impedance of the wireless power relay coil loop, which may be represented as a wireless charging device;
the impedance of the wireless power receiving coil loop, which may be represented as a wireless charging device;
the current of the wireless power transmitting coil can be represented;
the current of the relay coil of the wireless power relay device may be represented; />
The current of the receiving coil of the wireless power receiving device can be represented;
the self-inductance of the wireless power transmitting coil can be represented;
the self inductance of the relay coil of the wireless power relay device can be represented;
the self-inductance of the receiving coil of the wireless power receiving device can be represented;
the resonance compensation capacitor corresponding to the wireless power transmitting coil can be represented;
the resonance compensation capacitor corresponding to the relay coil of the wireless power relay device can be represented;
the resonance compensation capacitor corresponding to the receiving coil of the wireless power receiving device can be represented;
Can represent the internal resistance of the wireless power transmitting coil;
the internal resistance of the relay coil of the wireless power relay device may be represented;
can represent the internal resistance of the receiving coil of the wireless power receiving device;
can represent wireless chargingAn input resistor on the ac side of a full bridge rectifier in a wireless power receiving device of the device;
the angular frequency of the three-coil wireless energy transmission system is represented;
the imaginary part may be represented;
when each loop satisfies the resonance condition, it is obtained that:
（6）
wherein,
the above formula (5) can be simplified as:
（7）
simultaneously with the formula (3), the formula (4) and the formula (7), when the conduction angle alpha is pi, the voltage gain and the output power of the three-coil wireless energy transmission system can be calculated as follows:
（8）
wherein,
can represent the output voltage of the high frequency inverter;
the full bridge rectifier ac side input voltage of the wireless charging device can be represented;
can represent a three-coil wireless energy transmission systemA voltage gain;
the output power of the three-coil wireless energy transmission system can be represented;
the mutual inductance between the transmitting coil of the wireless power transmitting device in the wireless charging device and the relay coil of the wireless power relay device in the wireless charging device can be represented;
the mutual inductance between the relay coil of the wireless power relay device in the wireless charging device and the receiving coil of the wireless power receiving device in the wireless charging device may be represented.
Step S205, calculating an output voltage of the full-bridge rectifier in the wireless power receiving apparatus and an output voltage of the dc converter in the wireless power receiving apparatus.
Specifically, in the practical application process, the output voltage and output power of the wireless charging device need to meet the requirements of the voltage and output power that the wireless charging device can bear.
As can be seen from the above description, the method provided by the embodiments of the present application can equivalent the wireless charging device to a three-coil wireless energy transmission system.
Thus, the output voltage of the full-bridge rectifier in the radio energy receiving device and the output voltage of the dc converter in the radio energy receiving device can be calculated.
The relationship between the full-bridge rectifier output voltage and the rectifier ac side voltage can be obtained by harmonic approximation analysis as follows:
（9）
further utilizing the volt-second balance relation between the inductance and the capacitance of the DC converter, the relation between the output voltage and the input voltage of the DC converter can be obtained as follows:
（10）
wherein,
d may be the switching duty cycle of the DC/DC converter;
step S206, determining the efficiency of the three-coil wireless energy transmission system and each loop current of the three-coil wireless energy transmission system according to the output voltage of the full-bridge rectifier in the wireless energy receiving device and the output voltage of the dc converter in the wireless energy receiving device.
Specifically, as can be seen from the foregoing description, the method provided by the embodiment of the present application may determine the output voltage of the full-bridge rectifier in the wireless power receiving device and the output voltage of the dc converter in the wireless power receiving device, and further may determine the efficiency of the three-coil wireless power transmission system and the respective loop currents of the three-coil wireless power transmission system according to the output voltage of the full-bridge rectifier in the wireless power receiving device and the output voltage of the dc converter in the wireless power receiving device.
For example, the number of the cells to be processed,
the output efficiency of the three-coil wireless energy transmission system and the current of each coil loop can be calculated by the formula (4), the formula (7) and the formula (8) respectively as follows:
；
；
wherein,
the efficiency of the three-coil wireless energy transfer system can be represented;
、/>、/>the respective loop currents of the three-coil wireless energy transfer system may be represented.
From the above-described technical solution, it can be seen that, according to the method provided by the embodiment of the present application, the wireless charging device may be equivalent to a three-coil wireless charging equivalent model according to the circuit structure of the wireless charging device, so that each parameter of the wireless charging device may be set through the three-coil wireless charging equivalent model.
The wireless charging device configuration device provided in the embodiments of the present application will be described below, and the wireless charging device configuration device described below and the wireless charging device configuration method described above may be referred to correspondingly.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a configuration device of a wireless charging device according to an embodiment of the present application.
As shown in fig. 6, the wireless charging device configuration device may include:
a first adjusting unit 101, configured to adjust an equivalent output load of the three-coil wireless energy transfer system by using a preset three-coil wireless charging equivalent model;
a second adjusting unit 102, configured to adjust a switching duty ratio of a dc converter of the wireless charging device, so that an output voltage of the three-coil wireless energy transmission system reaches a rated charging voltage of a battery of a sensor of the wireless charging device; wherein, wireless charging device includes: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; wherein the wireless power transmitting device and the power supply are carried on the movable equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device and use the direct current output by the wireless charging device to charge a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device;
A first determining unit 103, configured to determine output power and efficiency of the three-coil wireless energy transfer system using the three-coil wireless charging equivalent model;
a second determining unit 104, configured to determine each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system;
a setting unit 105, configured to set a withstand voltage and a withstand current of the wireless charging device according to respective loop currents of the three-coil wireless energy transmission system.
The specific process flow of each unit included in the wireless charging device configuration device may be described with reference to the foregoing wireless charging device configuration method section, which is not repeated herein.
The wireless charging device configuration device provided by the embodiment of the application can be applied to wireless charging device configuration equipment, such as a terminal: cell phones, computers, etc. Alternatively, fig. 7 shows a block diagram of a hardware structure of the wireless charging apparatus configuration device, and referring to fig. 7, the hardware structure of the wireless charging apparatus configuration device may include: at least one processor b1, at least one communication interface b2, at least one memory b3 and at least one communication bus b4.
In the embodiment of the application, the number of the processors b1, the communication interfaces b2, the memories b3 and the communication buses b4 is at least one, and the processors b1, the communication interfaces b2 and the memories b3 complete the communication with each other through the communication buses b 4.
The processor b1 may be a central processing unit CPU, or a specific integrated circuit ASIC (Application Specific Integrated Circuit), or one or more integrated circuits configured to implement embodiments of the present application, etc.;
the memory b3 may include a high-speed RAM memory, and may further include a non-volatile memory (non-volatile memory) or the like, such as at least one disk memory;
wherein the memory stores a program, the processor is operable to invoke the program stored in the memory, the program operable to: and realizing each processing flow in the configuration scheme of the wireless charging device of the terminal.
The embodiment of the application also provides a readable storage medium, which can store a program suitable for being executed by a processor, the program being configured to: and realizing each processing flow of the terminal in the wireless charging device configuration scheme.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. The various embodiments may be combined with one another. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A wireless charging apparatus configuration method, comprising:
adjusting the equivalent output load of the three-coil wireless energy transmission system by using a preset three-coil wireless charging equivalent model;
adjusting the switching duty cycle of a direct current converter of a wireless charging device so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of a battery of a sensor of the wireless charging device; wherein, wireless charging device includes: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; wherein the wireless power transmitting device and the power supply are carried on the movable equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device and use the direct current output by the wireless charging device to charge a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device;
Determining the output power and efficiency of the three-coil wireless energy transmission system by using the three-coil wireless charging equivalent model;
determining each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system;
and setting the withstand voltage and the withstand current of the wireless charging device according to the current of each loop of the three-coil wireless energy transmission system.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the high-frequency inverter for wireless power transmission of the wireless charging device comprises at least 4 field effect transistors and driving signals corresponding to the field effect transistors, and the high-frequency inverter is connected with a first resonance compensation capacitor and a wireless power transmission coil;
a relay coil in the wireless power relay device is connected with a second resonance compensation capacitor;
and a receiving coil in the wireless electric energy receiving device is connected with a third resonance compensation capacitor.
3. The method according to claim 1, wherein the creating process of the preset three-coil wireless charging equivalent model includes:
equivalent a battery of a sensor device of the wireless charging device as a first load;
The input resistance of a direct current converter in a wireless electric energy receiving device of the wireless charging device is equivalent to a second load;
the input resistance of the alternating current side of a full-bridge rectifier in a wireless electric energy receiving device of the wireless charging device is equivalent to a third load;
calculating the voltage gain and the output power of the three-coil wireless energy transmission system;
calculating the output voltage of a full-bridge rectifier in the wireless power receiving device and the output voltage of a direct current converter in the wireless power receiving device;
and determining the efficiency of the three-coil wireless energy transmission system and each loop current of the three-coil wireless energy transmission system according to the output voltage of the full-bridge rectifier in the wireless energy receiving device and the output voltage of the direct current converter in the wireless energy receiving device.
4. The method of claim 3, wherein the formula for calculating the voltage gain and output power of the three-coil wireless energy transfer system comprises the following:
；
wherein,
representing the output voltage of the high frequency inverter;
representing the input voltage of the alternating current side of the full-bridge rectifier of the wireless charging device;
representing the voltage gain of the three-coil wireless energy transmission system;
Representing the output power of the three-coil wireless energy transmission system;
the angular frequency of the three-coil wireless energy transmission system is represented;
representing the input resistance of the alternating current side of the full-bridge rectifier of the wireless charging device;
representing an internal resistance of a transmitting coil of a wireless power transmitting device in the wireless charging device;
representing an internal resistance of a relay coil of a wireless power relay device in the wireless charging device;
representing an internal resistance of a receiving coil of a wireless power receiving device in the wireless charging device;
representing mutual inductance between a transmitting coil of a wireless power transmitting device in the wireless charging device and a relay coil of a wireless power relay device in the wireless charging device;
the mutual inductance between the relay coil of the wireless power relay device in the wireless charging device and the receiving coil of the wireless power receiving device in the wireless charging device is shown.
5. The method of claim 1, wherein the step of determining the position of the substrate comprises,
the wireless power transmitting coil is arranged on the movable equipment;
the high-frequency inverter is connected with a resonance compensation network device corresponding to the wireless power transmitting coil so as to transmit wireless power to the wireless power relay device through the wireless power transmitting coil.
6. The method of claim 1, wherein the wireless power relay is mounted to a cover of a target cable trench such that the wireless power transmitter is magnetically coupled to the wireless power relay and transmits power through the cover of the target cable trench.
7. A wireless charging device configuration apparatus, comprising:
the first adjusting unit is used for adjusting the equivalent output load of the three-coil wireless energy transmission system by using a preset three-coil wireless charging equivalent model;
the second adjusting unit is used for adjusting the switching duty ratio of the direct current converter of the wireless charging device so that the output voltage of the three-coil wireless energy transmission system reaches the rated charging voltage of the battery of the sensor of the wireless charging device; wherein, wireless charging device includes: the system comprises a mobile device, a wireless power transmitting device, a wireless power relay device, a wireless power receiving device, a sensor device and a power supply; wherein the wireless power transmitting device and the power supply are carried on the movable equipment; the wireless power transmitting device comprises a high-frequency inverter, a wireless power transmitting coil and a resonance compensation network device corresponding to the wireless power transmitting coil; the wireless power relay device comprises a relay coil and a resonance compensation network device corresponding to the relay coil; the wireless power receiving device comprises a full-bridge rectifier, a direct-current converter, a filter capacitor corresponding to the direct-current converter, a receiving coil and a resonance compensation network device corresponding to the receiving coil, wherein the receiving coil of the wireless power receiving device is connected with the resonance compensation network device corresponding to the receiving coil so as to output rated direct current through the full-bridge rectifier and the direct-current converter of the wireless power receiving device and use the direct current output by the wireless charging device to charge a battery of the sensor device; the power supply is connected with the high-frequency inverter of the wireless power transmitting device and is used for providing power for the high-frequency inverter of the wireless power transmitting device;
The first determining unit is used for determining the output power and the efficiency of the three-coil wireless energy transmission system by utilizing the three-coil wireless charging equivalent model;
the second determining unit is used for determining each loop current of the three-coil wireless energy transmission system according to the efficiency and the output power of the three-coil wireless energy transmission system;
the setting unit is used for setting the withstand voltage and the withstand current of the wireless charging device according to the loop current of the three-coil wireless energy transmission system.
8. A wireless charging apparatus configuration device, comprising: one or more processors, and memory;
stored in the memory are computer readable instructions which, when executed by the one or more processors, implement the steps of the wireless charging device configuration method of any one of claims 1 to 6.
9. A readable storage medium, characterized by: the readable storage medium has stored therein computer readable instructions which, when executed by one or more processors, cause the one or more processors to implement the steps of the wireless charging device configuration method of any one of claims 1 to 6.
CN202310722794.1A 2023-06-19 2023-06-19 Wireless charging device configuration method, device, equipment and readable storage medium Active CN116470624B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310722794.1A CN116470624B (en) 2023-06-19 2023-06-19 Wireless charging device configuration method, device, equipment and readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310722794.1A CN116470624B (en) 2023-06-19 2023-06-19 Wireless charging device configuration method, device, equipment and readable storage medium

Publications (2)

Publication Number Publication Date
CN116470624A CN116470624A (en) 2023-07-21
CN116470624B true CN116470624B (en) 2024-02-02

Family

ID=87177451

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310722794.1A Active CN116470624B (en) 2023-06-19 2023-06-19 Wireless charging device configuration method, device, equipment and readable storage medium

Country Status (1)

Country Link
CN (1) CN116470624B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112994267A (en) * 2021-02-07 2021-06-18 中国矿业大学 Online mutual inductance identification method of underwater wireless power supply system based on relay coil
CN114844240A (en) * 2022-05-23 2022-08-02 广西电网有限责任公司电力科学研究院 Power matching-based multi-relay coil IPT system
CN115864684A (en) * 2022-11-30 2023-03-28 南京工程学院 Underwater wireless charging system output power self-adaptive control method with arc-shaped structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9281119B2 (en) * 2013-11-13 2016-03-08 The Hong Kong Polytechnic University Three-coil topology for wireless power transfer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112994267A (en) * 2021-02-07 2021-06-18 中国矿业大学 Online mutual inductance identification method of underwater wireless power supply system based on relay coil
CN114844240A (en) * 2022-05-23 2022-08-02 广西电网有限责任公司电力科学研究院 Power matching-based multi-relay coil IPT system
CN115864684A (en) * 2022-11-30 2023-03-28 南京工程学院 Underwater wireless charging system output power self-adaptive control method with arc-shaped structure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Analysis of Factors Effecting on Optimal Configuration of Two Receivers for a Three-Coil Wireless Power Transfer System;Kisong Lee等;《IEEE Systems Journal》;第1328 - 1331页 *
三线圈无线输能主回路研究与仿真分析;王允建;王涛;申耀华;袁娜娜;;制造业自动化(第06期);第55-59页 *

Also Published As

Publication number Publication date
CN116470624A (en) 2023-07-21

Similar Documents

Publication Publication Date Title
CN105634093B (en) A kind of more mobile phone movable three-dimensional wireless charging devices
CN106564392A (en) Automobile wireless charging system and automobile wireless charging device
Shanmugam et al. A systematic review of dynamic wireless charging system for electric transportation
CN102457108A (en) Electric power transmisison system and antenna
CN109831035A (en) A kind of mutual inductance discrimination method of the wireless charging system based on orthogonal double channels algorithm
WO2015035924A1 (en) Wireless charging device and mobile terminal using same
CN205646956U (en) Portable three -dimensional wireless charging device of many cell -phones
CN107757387A (en) A kind of residential quarters special electric automobile charging pile with charge/discharge function
CN206461764U (en) Loudspeaker and audio frequency apparatus
Kim et al. Power demand and total harmonic distortion analysis for an EV charging station concept utilizing a battery energy storage system
CN107097670A (en) A kind of many primary side windings wireless electric vehicle charging device in parallel
CN116470624B (en) Wireless charging device configuration method, device, equipment and readable storage medium
US8810207B2 (en) Communication systems and methods for transmitting communications between a charge system and an AC adapter
Kavimandan et al. The sensitivity analysis of coil misalignment for a 200-kw dynamic wireless power transfer system with an lcc-s and lcc-p compensation
CN105119357A (en) Remote wireless charging device
CN203674772U (en) Multi-load non-contact charging device and system for electric vehicle
WO2017204588A2 (en) System for managing photovoltaic device, method for managing photovoltaic device, and computer-readable storage medium
KR100732177B1 (en) Contactless charging system using capacity coupling method
KR20150142216A (en) Auxiliary battery having solar collector with transmitter-receiver wireless charge
CN107244247A (en) It is a kind of based on solar powered electric motor car wireless charging system
CN204361762U (en) A kind of small rail car charging device based on electromagnetic induction
Shin et al. Optimal current control of a wireless power transfer system for high power efficiency
Elwalaty et al. A two-rectangular coils wireless charging electric vehicle with photovoltaic generator
Wu et al. Analysis of Equivalent Circuit Model of Concrete WPT System
CN206379747U (en) A kind of non-contact power charging system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant