CN210634399U - Novel wireless dynamic charging system - Google Patents
Novel wireless dynamic charging system Download PDFInfo
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- CN210634399U CN210634399U CN201921807801.3U CN201921807801U CN210634399U CN 210634399 U CN210634399 U CN 210634399U CN 201921807801 U CN201921807801 U CN 201921807801U CN 210634399 U CN210634399 U CN 210634399U
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- 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
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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The utility model discloses a novel wireless dynamic charging system, which comprises a wireless charging transmitting module, a wireless charging receiving module, an MSP430 module, an output control module, a motor control module and a power utilization device; the wireless charging transmitting module transmits a changing magnetic field, and the wireless charging receiving module receives and stores electric energy from the wireless charging transmitting module through electromagnetic induction; the output end of the wireless charging receiving module is respectively connected with the input ends of the output control module and the MSP430 module; the output end of the MSP430 module is also connected with the input ends of the output control module and the motor control module respectively, and is used for detecting a charging signal and adjusting the duty ratio of the output PWM; the output end of the output control module is connected with the electric equipment, so that unnecessary electric equipment is turned off during timing charging and static charging of the electric automobile, and the charging speed is increased; and the motor control module is used for controlling the rotating speed of a motor of the electric automobile so as to control the running speed of the electric automobile and realize dynamic charging of the electric automobile.
Description
Technical Field
The utility model relates to a wireless charging technology field specifically is a novel wireless dynamic charging system.
Background
At present, an electric vehicle charging station adopts a connection mode of a 'wired cable'. When charging, a charging pile needs to be found, a power supply is connected, and then the automobile is waited to be fully charged, which takes a long time. The charging has many problems, which causes difficulty in popularization of the electric vehicle. Along with the popularization of wireless charging, electric automobiles increasingly adopt a wireless charging mode. Wireless charging technologies are classified into dynamic charging and static charging. The static charging system has many limitations, and the dynamic charging system is more suitable for being applied to the aspect of charging electric automobiles, such as when passing through some toll stations, the static charging system charges the electric automobiles while queuing for slow running, the duration of the electric automobiles is increased, and the consumption of charging time is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel wireless developments charging system, in this system, electric automobile goes on the runway of regulation, and four wireless transmitting module that charge on the runway realize dynamic charging for electric automobile.
Realize the utility model discloses the technical scheme of purpose is:
a novel wireless dynamic charging system comprises a wireless charging transmitting module, a wireless charging receiving module, an MSP430 module, an output control module, a motor control module and a power utilization device;
the wireless charging transmitting module transmits a changing magnetic field, and the wireless charging receiving module receives and stores electric energy from the wireless charging transmitting module through electromagnetic induction;
the output end of the wireless charging receiving module is respectively connected with the input ends of the output control module and the MSP430 module;
the output end of the MSP430 module is also connected with the input ends of the output control module and the motor control module respectively, and the MSP430 module is used for detecting a charging signal and adjusting the duty ratio of the output PWM;
the output end of the output control module is connected with the electric equipment, so that unnecessary electric equipment is turned off when the electric automobile is charged at regular time and is statically charged, and the charging speed is increased;
the motor control module is used for controlling the rotating speed of a motor of the electric automobile, so that the running speed of the electric automobile is controlled, and dynamic charging of the electric automobile is realized.
The wireless charging transmitting module comprises a wireless transmitting driving circuit and a transmitting coil, wherein the wireless transmitting driving circuit is connected with the transmitting coil.
The wireless charging emission driving circuit is a driving circuit based on an XKT-510 chip, the chip is powered by a 5V single power supply, the precision is high, the stability is good, the wireless emission coil driving circuit can be manufactured into a high-efficiency reliable wireless emission coil driving circuit through the cooperation of few other components, pulse alternating current with specific frequency can be directly output, automatic power control and high-efficiency electromagnetic energy conversion are realized, the chip outputs the pulse alternating current to an emission coil, the emission coil generates a variable magnetic field according to the magnetic effect of current, and electric energy is emitted in a magnetic energy mode.
The transmitting coil is formed by winding an enameled wire and acts like a primary coil of a transformer, and the coil driving circuit inputs high-frequency alternating current to the wireless transmitting coil to enable the wireless transmitting coil to generate a changing magnetic field and transmit energy to the wireless transmitting and receiving module.
The wireless charging receiving module comprises a receiving coil, a super capacitor charging circuit, a charging detection circuit, a voltage stabilizing circuit and a super capacitor; the input end of the receiving coil is connected with the transmitting coil of the wireless charging transmitting module, the output end of the receiving coil is respectively connected with the super capacitor charging circuit, the charging detection circuit and the input end of the voltage stabilizing circuit, the output end of the super capacitor charging circuit is connected with the input end of the super capacitor, the output end of the super capacitor is connected with the input end of the voltage stabilizing circuit, the secondary output end of the voltage stabilizing circuit is connected with the input end of the output control module, the final output end of the voltage stabilizing circuit is connected with the input end of the MSP430 module, and the output end of the charging detection circuit is.
The receiving coil is formed by winding an enameled wire and acts like a secondary coil of a transformer. The coil generates alternating current by sensing the changing magnetic field, so that the coil receives energy from the wireless charging and transmitting module.
The super capacitor charging circuit is a charging circuit based on a TPS54160 high-efficiency Buck converter, the voltage is stabilized to 4V, the voltage is output to the super capacitor to be charged, the efficiency of capacitor charging is enabled to be the best by adjusting the resistance value of Ren2, firstly, the voltage of a direct current power supply is reduced to 4.5V, and the current is 1A. The current value is kept unchanged because the characteristic voltage of the capacitor charging is continuously increased, and the current is slightly reduced until 5V. Since the input voltage range of the TPS63020 is 1.8V to 5.5V, R6 is adjusted, the voltage limit value of capacitor charging is limited to 5.4V, and normal operation of the TPS63020 is guaranteed.
The charging detection circuit adopts a triode to form a switch circuit, and a collector of the triode outputs a low level when charging and outputs a high level when not charging.
The voltage stabilizing circuit is based on a QX2303 series DC-DC converter, outputs 3.6V voltage, supplies power for the output control module, and outputs 3.3V voltage through HT7333 voltage stabilization, and supplies power supply voltage for the CPU.
The MSP430 module adopts MSP430F5529 of Texas Instruments (TI) in America as a module of a core processor, and the module can output PWM to control a motor and further control the speed of a trolley. Meanwhile, the module judges whether the trolley is in a charging state or not by detecting the high and low levels of the IO port.
The output control module adopts a high-speed LDO voltage stabilizer XC6219 to control whether to supply power to electric equipment.
The motor control module is a circuit formed by an NMOS, and changes the grid voltage of an MOS tube by adjusting the duty ratio of PWM, thereby changing the conduction degree of the MOS tube, further controlling the voltage at two ends of the motor and further controlling the speed of the motor.
Has the advantages that: the invention can output a control signal to the MSP430 module by detecting whether the trolley is in a charging state, the MSP430 module further controls the trolley to run at a slow speed when the trolley is charged and at an accelerated speed when the trolley is not charged, thereby realizing the dynamic charging of the trolley and improving the charging efficiency to the maximum extent.
Drawings
Fig. 1 is a block diagram of a novel wireless dynamic charging system according to the present invention;
fig. 2 is a schematic circuit diagram of a wireless charging transmission module;
FIG. 3 is a schematic diagram of a super capacitor charging circuit;
FIG. 4 is a schematic diagram of a charge detection circuit;
FIG. 5 is a schematic diagram of a voltage regulator circuit;
FIG. 6 is a schematic diagram of an output control module;
fig. 7 is a schematic diagram of a motor control module.
Detailed Description
The invention will be further elucidated with reference to the drawings and examples, without however being limited thereto.
Example (b):
as shown in fig. 1, a novel wireless dynamic charging system includes a wireless charging transmitter module, a wireless charging receiver module, an MSP430 module, an output control module, a motor control module, and a power consumption device;
the wireless charging transmitting module transmits a changing magnetic field, and the wireless charging receiving module receives and stores electric energy from the wireless charging transmitting module through electromagnetic induction;
the output end of the wireless charging receiving module is respectively connected with the input ends of the output control module and the MSP430 module;
the output end of the MSP430 module is also connected with the input ends of the output control module and the motor control module respectively, and the MSP430 module is used for detecting a charging signal and adjusting the duty ratio of the output PWM;
the output end of the output control module is connected with the electric equipment, so that unnecessary electric equipment is turned off when the electric automobile is charged at regular time and is statically charged, and the charging speed is increased;
the motor control module is used for controlling the rotating speed of a motor of the electric automobile, so that the running speed of the electric automobile is controlled, and dynamic charging of the electric automobile is realized.
As shown in fig. 2, the wireless charging transmitting module includes a wireless transmitting driving circuit and a transmitting coil, and the wireless transmitting driving circuit is connected to the transmitting coil.
The wireless charging emission driving circuit is a driving circuit based on an XKT-510 chip, the chip is powered by a 5V single power supply, the precision is high, the stability is good, the wireless emission coil driving circuit can be manufactured into a high-efficiency reliable wireless emission coil driving circuit through the cooperation of few other components, pulse alternating current with specific frequency can be directly output, automatic power control and high-efficiency electromagnetic energy conversion are realized, the chip outputs the pulse alternating current to an emission coil, the emission coil generates a variable magnetic field according to the magnetic effect of current, and electric energy is emitted in a magnetic energy mode.
The transmitting coil is formed by winding an enameled wire and acts like a primary coil of a transformer, and the coil driving circuit inputs high-frequency alternating current to the wireless transmitting coil to enable the wireless transmitting coil to generate a changing magnetic field and transmit energy to the wireless transmitting and receiving module.
The wireless charging receiving module comprises a receiving coil, a super capacitor charging circuit, a charging detection circuit, a voltage stabilizing circuit and a super capacitor; the input end of the receiving coil is connected with the transmitting coil of the wireless charging transmitting module, the output end of the receiving coil is respectively connected with the super capacitor charging circuit, the charging detection circuit and the input end of the voltage stabilizing circuit, the output end of the super capacitor charging circuit is connected with the input end of the super capacitor, the output end of the super capacitor is connected with the input end of the voltage stabilizing circuit, the secondary output end of the voltage stabilizing circuit is connected with the input end of the output control module, the final output end of the voltage stabilizing circuit is connected with the input end of the MSP430 module, and the output end of the charging detection circuit is.
The receiving coil is formed by winding an enameled wire and acts like a secondary coil of a transformer. The coil generates alternating current by sensing the changing magnetic field, so that the coil receives energy from the wireless charging and transmitting module.
As shown in fig. 3, the super capacitor charging circuit is a charging circuit based on a TPS54160 high-efficiency Buck converter, stabilizes the voltage to 4V, outputs the voltage to the super capacitor, and charges the super capacitor, and adjusts the resistance value of Ren2 to optimize the efficiency of charging the capacitor, first, the voltage of the dc power supply is reduced to 4.5V, and the current is 1A. The current value is kept unchanged because the characteristic voltage of the capacitor charging is continuously increased, and the current is slightly reduced until 5V. Since the input voltage range of the TPS63020 is 1.8V to 5.5V, R6 is adjusted, the voltage limit value of capacitor charging is limited to 5.4V, and normal operation of the TPS63020 is guaranteed.
As shown in fig. 4, the charging detection circuit adopts a transistor to form a switching circuit, and a collector of the transistor outputs a low level when charging, and outputs a high level when not charging.
As shown in fig. 5, the voltage regulator circuit is a voltage regulator circuit based on a QX2303 series DC-DC converter, outputs a 3.6V voltage to supply power to the output control module, and then regulates the voltage by HT7333 to output a 3.3V voltage to provide power supply voltage for the CPU.
The MSP430 module adopts MSP430F5529 of Texas Instruments (TI) in America as a module of a core processor, and the module can output PWM to control a motor and further control the speed of a trolley. Meanwhile, the module judges whether the trolley is in a charging state or not by detecting the high and low levels of the IO port.
As shown in fig. 6, the output control module uses a high-speed LDO regulator XC6219 to control whether to supply power to the electrical device.
As shown in fig. 7, the motor control module is a circuit formed by an NMOS, and changes the gate voltage of the MOS transistor by adjusting the duty ratio of the PWM, so as to change the conduction degree of the MOS transistor, and further control the voltage across the motor, and further control the speed of the motor.
The working principle of the wireless dynamic system is as follows:
the wireless dynamic system is designed based on the principle of electromagnetic induction and is used for transferring energy. The input end of the wireless charging transmitting module is connected with a power supply, the wireless transmitting driving circuit drives the transmitting coil to generate a changing magnetic field, and the receiving coil generates alternating current through electromagnetic induction, so that energy transfer between the wireless charging transmitting module and the wireless charging receiving module is realized. The alternating current frequency generated by the receiving coil is high, so that a Schottky diode is utilized to build a rectifying circuit to rectify the alternating current, the rectified alternating current is filtered subsequently, the alternating current is stabilized to 4V through a TPS54160 high-efficiency Buck converter to be output to a super capacitor for charging, and the super capacitor supplies power for the following electric equipment. And the other voltage stabilizing circuit adopts a QX2303 series DC-DC converter to output 3.6V voltage, and then outputs 3.3V voltage through HT7333 voltage stabilization for supplying power to the CPU during charging.
In this embodiment, the electric trolley is used as the powered electric device to perform charging and discharging operations for using electric energy, so as to realize wireless dynamic charging of the trolley. The method comprises the specific steps that a +5V and 1A direct-current power supply is used for supplying power, the wireless charging transmitting module generates a changing magnetic field, the wireless charging receiving module induces the changing magnetic field, the changing magnetic field can generate changing current according to Maxwell electromagnetic theory, and the super capacitor is charged after rectification, filtering and voltage stabilization. After the trolley is started, the MSP430 module is combined with a charging detection circuit to detect whether the trolley enters a charging area on a runway, when charging is carried out, the MSP430 module slowly runs through the overcharge area by controlling the duty ratio of PWM and further controlling the speed of the trolley through a motor control circuit, and the wireless dynamic charging efficiency is improved to the maximum extent.
Claims (10)
1. A novel wireless dynamic charging system is characterized by comprising a wireless charging transmitting module, a wireless charging receiving module, an MSP430 module, an output control module, a motor control module and a power utilization device;
the wireless charging transmitting module transmits a changing magnetic field, and the wireless charging receiving module receives and stores electric energy from the wireless charging transmitting module through electromagnetic induction;
the output end of the wireless charging receiving module is respectively connected with the input ends of the output control module and the MSP430 module;
the output end of the MSP430 module is also connected with the input ends of the output control module and the motor control module respectively, and the MSP430 module is used for detecting a charging signal and adjusting the duty ratio of the output PWM;
the output end of the output control module is connected with electric equipment to control the electric automobile to turn off unnecessary electric equipment during timing charging and static charging;
the motor control module is used for controlling the rotating speed of a motor of the electric automobile, so that the running speed of the electric automobile is controlled, and dynamic charging of the electric automobile is realized.
2. The novel wireless dynamic charging system according to claim 1, wherein the wireless charging transmitter module comprises a wireless transmission driving circuit and a transmitting coil, and the wireless transmission driving circuit is connected with the transmitting coil.
3. The novel wireless dynamic charging system of claim 2, wherein the wireless charging transmission driving circuit is a driving circuit based on an XKT-510 chip.
4. The novel wireless dynamic charging system according to claim 1, wherein the wireless charging receiving module comprises a receiving coil, a super capacitor charging circuit, a charging detection circuit, a voltage stabilizing circuit and a super capacitor; the input end of the receiving coil is connected with the transmitting coil of the wireless charging transmitting module, the output end of the receiving coil is respectively connected with the super capacitor charging circuit, the charging detection circuit and the input end of the voltage stabilizing circuit, the output end of the super capacitor charging circuit is connected with the input end of the super capacitor, the output end of the super capacitor is connected with the input end of the voltage stabilizing circuit, the secondary output end of the voltage stabilizing circuit is connected with the input end of the output control module, the final output end of the voltage stabilizing circuit is connected with the input end of the MSP430 module, and the output end of the charging detection circuit is.
5. The novel wireless dynamic charging system according to claim 4, wherein the super capacitor charging circuit is a charging circuit based on a TPS54160 high-efficiency Buck converter.
6. The novel wireless dynamic charging system according to claim 4, wherein the charging detection circuit is a switching circuit formed by a transistor, and a collector of the transistor outputs a low level when charging and outputs a high level when not charging.
7. The novel wireless dynamic charging system according to claim 5, wherein the voltage regulator circuit is a voltage regulator circuit based on a QX2303 series DC-DC converter, outputs 3.6V voltage to supply power to the output control module, and outputs 3.3V voltage to supply power to the CPU after being regulated by HT 7333.
8. The system of claim 1, wherein the MSP430 module is a module of a core processor, the MSP430F5529 of Texas Instruments (TI) usa.
9. The novel wireless dynamic charging system according to claim 1, wherein the output control module controls whether to supply power to the electric device by using a high-speed LDO voltage regulator XC 6219.
10. The novel wireless dynamic charging system according to claim 1, wherein the motor control module is a circuit composed of an NMOS, and the gate voltage of the MOS transistor is changed by adjusting the duty ratio of the PWM, so as to change the conduction degree thereof, and further control the voltage across the motor, and further control the speed of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807801.3U CN210634399U (en) | 2019-10-25 | 2019-10-25 | Novel wireless dynamic charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807801.3U CN210634399U (en) | 2019-10-25 | 2019-10-25 | Novel wireless dynamic charging system |
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| Publication Number | Publication Date |
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| CN210634399U true CN210634399U (en) | 2020-05-29 |
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| CN201921807801.3U Active CN210634399U (en) | 2019-10-25 | 2019-10-25 | Novel wireless dynamic charging system |
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- 2019-10-25 CN CN201921807801.3U patent/CN210634399U/en active Active
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