CN107020971B - Public electric bicycle charging control system of low voltage direct current power line carrier communication - Google Patents
Public electric bicycle charging control system of low voltage direct current power line carrier communication Download PDFInfo
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- CN107020971B CN107020971B CN201710186101.6A CN201710186101A CN107020971B CN 107020971 B CN107020971 B CN 107020971B CN 201710186101 A CN201710186101 A CN 201710186101A CN 107020971 B CN107020971 B CN 107020971B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/548—Systems for transmission via power distribution lines the power on the line being DC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
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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
- Y02T90/12—Electric charging stations
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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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- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention discloses a public electric bicycle charging control system based on low-voltage direct-current power line carrier communication, which comprises an electric public bicycle, a locking and charging integrated pile and a main controller, wherein the public bicycle is connected with the locking and charging integrated pile through positive and negative contacts, the main controller is connected with the locking and charging integrated pile and provides a 42V direct-current power supply, an in-pile main control module, a lock control module, a card reading module, an in-pile power module and an in-pile carrier communication module are arranged in the locking and charging integrated pile, the in-pile carrier communication module is connected with the positive and negative contacts of the locking and charging integrated pile and interacts with the in-pile main control module, the in-bicycle is internally provided with the in-bicycle main control module and the in-bicycle carrier communication module which are connected with each other, and the in-bicycle carrier communication module is connected with the positive and negative contacts on the bicycle.
Description
Technical Field
The invention relates to a communication and urban intelligent traffic control technology, in particular to a charging control system of an urban public electric bicycle based on low-voltage direct-current power line carrier communication.
Background
The public bicycle is a beneficial supplement for solving short-distance point-to-point traffic, not only facilitates short-distance travel of common people, but also has low investment and advocates a green and environment-friendly travel mode. With the vigorous popularization of public bicycle systems in various cities, public bicycle stations appear in streets and alleys like spring shoots after rain.
The public bicycle terminal equipment comprises a lock post and a public bicycle, a user swipes a leasing card, the lock post unlocks the public bicycle, and the user can use the public bicycle after taking the bicycle; the user pushes the bicycle into the lock column, the lock column automatically locks the bicycle, and the user swipes the rental card and returns the bicycle successfully.
At present, in order to further facilitate the service for people, people can save physical strength and realize long-distance driving. The public electric bicycle system in city begins to use electric bicycle, can bring better user experience to a certain extent. The electric bicycle rents the website in public electric bicycle in current city, and electric bicycle all directly inserts and charges on the commercial power plug of the integrative stake of locking the car and charge, at first provides the 220V commercial power on the integrative stake of locking the car and charging, and the security is difficult to guarantee in the use of public environment, and secondly electric bicycle's charging is manual operation, and the controllability is low, is not convenient for manage. Finally, the economical efficiency is poor when the power supply line is arranged on the electric bicycle.
Disclosure of Invention
The invention aims to provide a public electric bicycle charging control system with low-voltage direct-current power line carrier communication, which is reasonable in structural design, convenient to operate, high in safety coefficient and capable of realizing intelligent control.
The technical scheme adopted by the invention for solving the technical problems is as follows: the public electric bicycle charging control system comprises an electric public bicycle, a locking and charging integrated pile and a main controller, wherein the public bicycle and the locking and charging integrated pile are connected through positive and negative contacts, the main controller is connected with the locking and charging integrated pile and provides a 42V direct-current power supply, an in-pile main control module, a lock control module, a card reading module, an in-pile power supply module and an in-pile carrier communication module are arranged in the locking and charging integrated pile, the in-pile carrier communication module is connected with the positive and negative contacts of the locking and charging integrated pile and interacts with the in-pile main control module, the public bicycle is internally provided with the in-bicycle main control module and the in-bicycle carrier communication module which are connected with each other, and the in-bicycle carrier communication module is connected with the positive and negative contacts on the bicycle.
Further preferred embodiments of the present invention: the in-pile carrier communication module comprises a chip with the model of PL3105C, a 42V direct-current power supply is connected with the chip, signals sent by the chip are transmitted to a coupling circuit through a power amplifying circuit and a rectifying and filtering circuit, the coupling circuit is connected with a positive contact and a negative contact, and the coupling circuit transmits the signals to the chip through a receiving circuit. The chip of the in-pile carrier communication module is PL3105C, which integrates MCU kernel, AD converter, timer, serial port and other peripheral units besides the digital signal processing unit of direct sequence spread spectrum communication. The in-pile carrier communication module realizes the mutual conversion between power carrier signals and digital signals, is the core of the whole power carrier communication, and has the characteristics and functions as follows: the main controller and the spread spectrum modulation and demodulation function are combined; DCSK spread spectrum modulation and Y-NET automatic networking technology, and ultra-strong power line communication performance.
Further preferred embodiments of the invention: the power amplification circuit comprises a first diode, a second diode, a fifth diode, a fourth diode, a first NMOS tube, a second NMOS tube, a first PMOS tube and a second PMOS tube, wherein a fourteenth pin of the chip outputs a carrier signal and is connected to the positive end of the fourth diode and the negative end of the fifth diode respectively through two paths of serially connected capacitors and resistors, the positive end of the fourth diode is connected with the grid electrode of the first PMOS tube, the negative end of the fourth diode is connected with the source electrode of the first PMOS tube, the drain electrode of the first PMOS tube is connected with the source electrode of the first NMOS tube, the drain electrode of the first PMOS tube is connected with the drain electrode of the first NMOS tube, the source electrode of the first NMOS tube is connected to the positive end of the fifth diode, the grid electrode of the second NMOS tube is connected with the grid electrode of the second PMOS tube and then is connected to the drain electrode of the first PMOS tube, the source electrode of the second NMOS tube is connected with the source electrode of the second PMOS tube and then is connected to one end of the fifth capacitor, the drain electrode of the first NMOS tube is connected with the negative end of the first PMOS tube, and the drain electrode of the second NMOS tube is connected with the negative end of the first diode and the second PMOS tube, and the drain electrode of the second PMOS tube is connected with the negative end of the first diode and the first diode, and the second diode is connected with the negative end of the first diode, and the second diode is connected with the second diode, and the second diode is connected with the second diode. The power amplifying circuit amplifies the power of a carrier signal output by a fourteenth pin of the PL3105 so as to be coupled to a power line to be emitted, when the carrier function of the chip is enabled and is in a transmitting state, the carrier signal is output by the fourteenth pin of the chip, a pull-up resistor is connected during output, and the waveform of the fourteenth pin point is a square wave which is changed from 0 to 5V during carrier output, wherein the square wave contains rich harmonic waves; after power amplification is performed on a circuit formed by the first NMOS tube, the second NMOS tube, the first PMOS tube and the second PMOS tube, the square wave signal at the fourteenth pin point is amplified into an Aout signal. Because the amplified Aout signal is rich in harmonic waves, filtering and shaping are needed before coupling and transmitting to the power line in order to reduce harmonic pollution on the power line. And after finishing shaping and filtering through the second inductor and the fifth capacitor, transmitting the shaped and filtered signal to the coupling circuit.
Further preferred embodiments of the present invention: the coupling circuit comprises a transformer, one end of the transformer is connected with the positive and negative contacts of the locking and charging integrated pile, and the other end of the transformer is connected to the receiving circuit. Generally, to couple a spread-spectrum carrier signal to a power line, a coupling circuit is required between a power line spread-spectrum transceiver and the power line. The coupling circuit has three main functions in the circuit: the high-frequency coupling coil inside realizes the physical separation of the strong current side and the weak current side; an internal high-pass filter ensures a high-frequency signal and blocks the power frequency of a power grid; and realizing impedance matching.
Further preferred embodiments of the present invention: the receiving circuit comprises a first resistor, a sixth capacitor and a seventh capacitor, one end of the first resistor is connected to the coupling circuit, the other end of the first resistor is connected to one end of the seventh capacitor, the other end of the seventh capacitor is connected to a forty-fifth base pin of the chip, a first inductor, a fifth diode and a sixth diode are connected to two ends of the sixth capacitor in parallel, the positive pole end of the fifth diode is connected with one end of the seventh capacitor, and the negative pole end of the sixth diode is connected with one end of the seventh capacitor. The first inductor and the sixth capacitor form a parallel resonant circuit which is designed by taking the center frequency of the spread spectrum signal as a reference so as to complete the band-pass filtering of the effective signal. The capacitance value of the sixth capacitor is selected to be 1.5Nf, and the first inductance L =1.17mH is calculated. The good frequency selection loop can improve the carrier receiving sensitivity, the received carrier signal is clamped at 0.7V by the fifth diode and the sixth diode, and is led to the forty-fifth base pin of the chip through the seventh capacitor to continue the subsequent processing.
Further preferred embodiments of the invention: the public bicycle is also internally provided with a charging control module, a motor driving module and an in-bicycle power module which are connected with the in-bicycle main control module.
Compared with the prior art, the invention has the advantages that the public bicycle and the locking and charging integrated pile are connected through the positive and negative contacts, only two contacts are needed, no additional communication line is needed, the locking and charging integrated pile and the electric bicycle can communicate in real time, and the two are mutually authenticated. In the public electric bicycle leasing base station, the commercial power does not need to be connected into the locking and charging integrated pile, only 42V direct current is needed, and the safety is improved. The main controller of the leasing base station can acquire the capacity of the residual batteries in the electric bicycle on each locking and charging integrated pile in real time, can comprehensively distribute different charging currents and prevent the main power supply from being overloaded. And only when a legal electric vehicle is inserted, the charging contact is connected to start charging. When the electric motor car was pulled out from the stake, the contact disconnection that charges has improved security and reliability. Each lock car integrative stake of charging is supplied power by leasing basic station main control unit is unified, and power supply line and communication line unite two into one, have practiced thrift the cost.
Drawings
FIG. 1 is a city public electric bicycle rental site;
FIG. 2 is a schematic structural view of a charging lock pile and an electric self-service vehicle;
FIG. 3 is a block circuit diagram of an in-pile carrier communication module;
FIG. 4 is a pin diagram of a chip;
FIG. 5 is a circuit diagram of an in-pile carrier communication module;
FIG. 6 is a coupled circuit diagram;
fig. 7 is a receiving circuit diagram.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to 7: public electric bicycle charge control system of low pressure direct current power line carrier communication, including electronic public bicycle, lock car integrative stake 1 and main control unit 2 that charges, public bicycle and lock car integrative stake 1 that charges are connected through positive negative pole contact 10, main control unit 2 connects the integrative stake 1 that locks the car and charges and provides 42V DC power supply, it is provided with interior main control module 3 of stake in the integrative stake 1 that locks the car and charges, lock control module 4, read card module 5, interior power module 6 of stake and interior carrier communication module 7 of stake, interior carrier communication module 7 of stake connects the integrative stake 1 that locks the car positive negative pole contact 10 of the integrative stake and interacts with interior main control module 3 of stake, be provided with interconnect's interior main control module 8 of car, interior carrier communication module 9 of car in the public bicycle, interior carrier communication module 9 of car connects the positive negative pole contact 10 on the bicycle.
The in-pile carrier communication module 7 comprises a chip with the model number of PL3105C, a 42V direct-current power supply is connected with the chip, a signal sent by the chip is transmitted to a coupling circuit 13 through a power amplifying circuit 11 and a rectifying and filtering circuit 12, the coupling circuit 13 is connected with a positive contact and a negative contact 10, and the coupling circuit 13 transmits the signal to the chip through a receiving circuit 14.
The power amplification circuit 11 comprises a first diode D1, a second diode D2, a fifth diode D5, a fourth diode D4, a first NMOS transistor N1, a second NMOS transistor N2, a first PMOS transistor P1 and a second PMOS transistor P2, a fourteenth pin of the chip outputs a carrier signal and is connected to a positive terminal of the fourth diode D4 and a negative terminal of the fifth diode D5 through two series-connected capacitors and resistors, respectively, the positive terminal of the fourth diode D4 is connected to a gate of the first PMOS transistor P1, the negative terminal of the fourth diode D4 is connected to a source of the first PMOS transistor P1, a drain of the first PMOS transistor P1 is connected to a source of the first NMOS transistor N1, a drain of the first PMOS transistor P1 is connected to a drain of the first NMOS transistor N1, a source of the first NMOS is connected to a positive terminal of the fifth diode D5, a gate of the second NMOS transistor N2 is connected to a drain of the first PMOS transistor P1 after being connected to a gate of the second PMOS transistor P2, a drain of the second NMOS transistor N2 is connected to a drain of the first PMOS transistor P1, a drain of the second PMOS transistor N2 is connected to a drain of the first diode C2, a drain of the second diode C2 is connected to a drain of the first diode C2, and a drain of the second diode C2 are connected to a drain of the first inductor C2, and a drain of the second capacitor C2, the second capacitor C2.
The coupling circuit 13 comprises a transformer TR2, one end of the transformer TR2 is connected with the positive and negative contacts 10 of the locking and charging integrated pile 1, and the other end of the transformer TR2 is connected to a receiving circuit 14.
The receiving circuit 14 includes a first resistor R1, a sixth capacitor C6 and a seventh capacitor C7, one end of the first resistor R1 is connected to the coupling circuit 13, the other end of the first resistor R1 is connected to one end of the seventh capacitor C7, the other end of the seventh capacitor C7 is connected to the forty-fifth pin of the chip, two ends of the sixth capacitor C6 are connected in parallel to a first inductor L1, a fifth diode D5 and a sixth diode D6, the positive terminal of the fifth diode D5 is connected to one end of the seventh capacitor C7, and the negative terminal of the sixth diode D6 is connected to one end of the seventh capacitor C7.
The public bicycle is also internally provided with a charging control module 15, a motor driving module 16 and an in-vehicle power module 17 which are connected with the in-vehicle main control module 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. The public electric bicycle charging control system based on low-voltage direct-current power line carrier communication comprises an electric public bicycle, a locking and charging integrated pile and a main controller, and is characterized in that the public bicycle and the locking and charging integrated pile are connected through positive and negative contacts, the main controller is connected with the locking and charging integrated pile and provides a 42V direct-current power supply, an in-pile main control module, a lock control module, a card reading module, an in-pile power module and an in-pile carrier communication module are arranged in the locking and charging integrated pile, the in-pile carrier communication module is connected with the positive and negative contacts of the locking and charging integrated pile and interacts with the in-pile main control module, the in-bicycle is internally provided with the in-bicycle main control module and the in-bicycle carrier communication module which are connected with each other, and the in-bicycle carrier communication module is connected with the positive and negative contacts on the bicycle;
the in-pile carrier communication module comprises a chip with the model of PL3105C, a 42V direct-current power supply is connected with the chip, a signal sent by the chip is transmitted to a coupling circuit through a power amplifying circuit and a rectifying and filtering circuit, the coupling circuit is connected with a positive contact and a negative contact, and a signal sent by the coupling circuit is transmitted to the chip through a receiving circuit;
the power amplifying circuit comprises a first diode, a second diode, a fifth diode, a fourth diode, a first NMOS tube, a second NMOS tube, a first PMOS tube and a second PMOS tube, a fourteenth pin of the chip outputs a carrier signal and is respectively connected to the positive terminal of the fourth diode and the negative terminal of the fifth diode through two paths of serially connected capacitors and resistors, the positive terminal of the fourth diode is connected with the grid electrode of the first PMOS tube, the negative terminal of the fourth diode is connected with the source electrode of the first PMOS tube, the drain electrode of the first PMOS tube is connected with the source electrode of the first NMOS tube, the drain electrode of the first PMOS tube is connected with the drain electrode of the first NMOS tube, the source electrode of the first NMOS is connected to the positive electrode end of a fifth diode, the grid electrode of the second NMOS tube is connected with the grid electrode of the second PMOS tube and then connected to the drain electrode of the first PMOS tube, the source electrode of the second NMOS tube is connected with the source electrode of the second PMOS tube and then connected to one end of a fifth capacitor, the drain electrode of the second NMOS tube is connected with the negative electrode end of the first diode, the drain electrode end of the second PMOS tube is connected with the positive electrode end of the second diode, the positive electrode of the first diode is connected with the negative electrode of the second diode and then connected to one end of the fifth capacitor, and the other end of the fifth capacitor is connected to the coupling circuit through a second inductor;
the coupling circuit comprises a transformer, one end of the transformer is connected with the positive and negative contacts of the locking and charging integrated pile, and the other end of the transformer is connected to the receiving circuit;
the receiving circuit comprises a first resistor, a sixth capacitor and a seventh capacitor, one end of the first resistor is connected to the coupling circuit, the other end of the first resistor is connected to one end of the seventh capacitor, the other end of the seventh capacitor is connected to a forty-fifth base pin of the chip, a first inductor, a fifth diode and a sixth diode are connected to two ends of the sixth capacitor in parallel, the positive pole end of the fifth diode is connected with one end of the seventh capacitor, and the negative pole end of the sixth diode is connected with one end of the seventh capacitor.
2. The charging control system for the public electric bicycles with the low-voltage direct-current power line carrier communication of claim 1 is characterized in that a charging control module, a motor driving module and an in-vehicle power module which are connected with an in-vehicle main control module are further arranged in the public bicycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710186101.6A CN107020971B (en) | 2017-03-21 | 2017-03-21 | Public electric bicycle charging control system of low voltage direct current power line carrier communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710186101.6A CN107020971B (en) | 2017-03-21 | 2017-03-21 | Public electric bicycle charging control system of low voltage direct current power line carrier communication |
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| CN107020971A CN107020971A (en) | 2017-08-08 |
| CN107020971B true CN107020971B (en) | 2023-04-07 |
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| CN108674231A (en) * | 2018-05-28 | 2018-10-19 | 北京新能源汽车股份有限公司 | A kind of charging system for electric automobile |
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| CN107020971A (en) | 2017-08-08 |
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