CN107972492B - Child electric vehicle control system - Google Patents
Child electric vehicle control system Download PDFInfo
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- CN107972492B CN107972492B CN201711486221.4A CN201711486221A CN107972492B CN 107972492 B CN107972492 B CN 107972492B CN 201711486221 A CN201711486221 A CN 201711486221A CN 107972492 B CN107972492 B CN 107972492B
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Classifications
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
- B60L2200/20—Vehicles specially adapted for children, e.g. toy vehicles
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
The invention relates to a control system of a children electric vehicle, which comprises a remote management background and a vehicle-mounted terminal and is characterized in that the remote management background is connected with the vehicle-mounted terminal through wireless communication, the vehicle-mounted terminal mainly comprises a CPU module, a power switch control module, a voltage acquisition module, a positioning module and a GPRS module, and the power switch control module, the voltage acquisition module, the positioning module and the GPRS module are all electrically connected with the CPU module. The control system of the children electric vehicle is convenient for a play yard manager to manage the children electric vehicle in the yard, the control system is connected with each other through a plurality of modules, a power supply of the children electric vehicle can be quickly turned on and off through play time setting, battery voltage data and positioning data can be sampled at regular time, prompt is given when the battery electric quantity is insufficient, and when the children electric vehicle exceeds the visual range of eyes of a person, the positioning data provides powerful support for the manager to quickly find.
Description
Technical Field
The utility model relates to an utilize GPRS wireless communication technique, realize opening and shutting down and battery state of charge collection to children's electric motor car, then implement corresponding management control's children's electric motor car control system to children's electric motor car through backstage server or cell-phone APP, can be applied at the amusement park centralized management platform.
Background
At present, children electric vehicles are more and more favored by children and parents, the children electric vehicles are almost marked on all playgrounds, the problem is how to effectively manage and charge the toys, if one set of control system is used for effectively collecting the states of the electric toy vehicles, such as battery quantity, playing time, position and other information, the information is reported to a background manager in real time, and when the electric quantity of the children electric vehicles is insufficient, the manager can be timely reminded to charge, the power switch of the children electric vehicles can be automatically controlled through setting the playing time parameter in the background, and the vehicle position information can be obtained in real time, so that great convenience can be brought to the playground manager.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent mobile charging pile group system capable of effectively improving the utilization rate of a charging pile, effectively improving the utilization rate of a parking space and realizing intelligent automatic charging and a control method thereof.
The invention relates to a control system of a children electric vehicle, which comprises a remote management background and a vehicle-mounted terminal and is characterized in that the remote management background is connected with the vehicle-mounted terminal through wireless communication, the vehicle-mounted terminal mainly comprises a CPU module, a power switch control module, a voltage acquisition module, a positioning module and a GPRS module, and the power switch control module, the voltage acquisition module, the positioning module and the GPRS module are all electrically connected with the CPU module.
The CPU module adopts an STM32F100C8T6 singlechip, a pin 5 and a pin 6 of the CPU are connected with a high-speed external clock oscillation circuit consisting of a resistor R53, a resistor R54, a capacitor C36, a capacitor C37 and a crystal oscillator Y2, a PLL frequency multiplication clock source is provided for U11 after power is on, a pin 3 and a pin 4 of the CPU are connected with an external low-frequency clock oscillation circuit consisting of a capacitor C32, a capacitor C33, a resistor R52 and a crystal oscillator Y1, and the clock is used for the standby or low-power consumption state of the device;
the power switch control module consists of a relay suction switch circuit module, the relay U4 is an HFKW012-1ZW module, the transistor Q2, the peripheral resistor R21, the resistor R22, the resistor R23, the resistor R24 and the diode D5 form a relay switch control circuit together, the transistor Q2 is an NPN tube MMBT3904, the diode D5 is an SK34, the JDQ_CTL interface of the power switch module is connected with the 11 pins of the CPU, so that the switching control of the relay by the singlechip is realized, namely the control of the input power supply of the electric toy car is realized;
the voltage acquisition module consists of a voltage dividing circuit formed by a resistor R64, a resistor R69 and a capacitor C39, a divided network interface DCIN_12V_ADC enters an AD port of the CPU for sampling by the singlechip, and then the singlechip transmits sampled data to the background through GPRS communication;
the positioning module mainly comprises a positioning chip and a receiving antenna, wherein the positioning chip is an N303-3 module, the antenna head is a standard SMA antenna interface, after receiving satellite signals, the antenna outputs NMEA data to a CPU through a serial port after a series of algorithm processes such as the acquisition, tracking, positioning settlement and the like of the positioning module, and the CPU analyzes and processes the data and reports the data to the background;
the GPRS module consists of a SIM800C and a SIM card, and has the function of wirelessly transmitting the timing time of the singlechip of the communication terminal to a remote management background in real time, wherein the SIM card number is unique in a mobile network, and the address of the current terminal counter is determined. The interface between the SIM800C and the SIM card is SIMRST, SIMCLK, SIMDATA, SIMVCC, wherein SIMRST is a SIM card reset signal, SIMCLK is a SIM card clock signal, SIMDATA is a SIM card data signal, and SIMVCC is a SIM card power supply signal; the interface signals of the SIM800C and the CPU mainly comprise UART interfaces, a network state indicator lamp and an operation state indicator lamp, wherein the UART interfaces comprise TXD, RXD, RTS, CTS, DCD, DTR signals and RI signals, TXD is a data transmission signal, RXD is a data receiving signal, RTS is a request to send signal, CTS is a clear to send signal, DCD is a data carrier monitoring signal, DTR is a data terminal preparation signal, and RI is a ringing prompt signal.
The control system of the children electric vehicle is convenient for a play yard manager to manage the children electric vehicle in the yard, the control system is connected with each other through a plurality of modules, a power supply of the children electric vehicle can be quickly turned on and off through play time setting, battery voltage data and positioning data can be sampled at regular time, prompt is given when the battery electric quantity is insufficient, and when the children electric vehicle exceeds the visual range of eyes of a person, the positioning data provides powerful support for the manager to quickly find.
Drawings
FIG. 1 is a functional block diagram of the system of the present invention.
Fig. 2 is a circuit diagram of a CPU module.
Fig. 3 is a circuit diagram of a power switch control module.
Fig. 4 is a circuit diagram of a voltage acquisition module.
Fig. 5 is a circuit diagram of a positioning module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1.
As shown in fig. 1, the control system of the child electric vehicle described in this embodiment includes a remote management background and a vehicle-mounted terminal, where the remote management background is connected with the vehicle-mounted terminal through wireless communication, the vehicle-mounted terminal mainly includes a CPU module, a power switch control module, a voltage acquisition module, a positioning module and a GPRS module, and the power switch control module, the voltage acquisition module, the positioning module and the GPRS module are all electrically connected with the CPU module.
As shown in FIG. 2, the CPU module adopts an STM32F100C8T6 singlechip, the pins 5 and 6 are connected with a high-speed external clock oscillation circuit consisting of a resistor R53, a resistor R54, a capacitor C36, a capacitor C37 and a crystal oscillator Y2, a PLL frequency multiplication clock source is provided for U11 after power is on, and the pins 3 and 4 of the CPU are connected with an external low-frequency clock oscillation circuit consisting of a capacitor C32, a capacitor C33, a resistor R52 and a crystal oscillator Y1, wherein the clock is used for the standby or low-power consumption state of the device.
As shown in fig. 3, the power switch control module is composed of a relay pull-in switch circuit module, the relay U4 is an HFKW012-1ZW module, the transistor Q2, the peripheral resistor R21, the resistor R22, the resistor R23, the resistor R24 and the diode D5 form a relay switch control circuit together, the transistor Q2 is an NPN tube MMBT3904, the diode D5 is an SK34, and the jdq_ctl interface of the power switch module is connected with the 11 pin of the CPU, thereby realizing the switching control of the relay by the singlechip, i.e. the control of the input power supply of the electric toy car.
As shown in fig. 4, the voltage acquisition module comprises a voltage dividing circuit formed by a resistor R64, a resistor R69 and a capacitor C39, a divided network interface dcin_12v_adc enters an AD port of the CPU for sampling by the singlechip, and then the singlechip transmits the sampled data to the background through GPRS communication;
as shown in fig. 5, the positioning module mainly comprises a positioning chip and a receiving antenna, the positioning chip is an N303-3 module, the antenna head is a standard SMA antenna interface, after receiving satellite signals, the antenna outputs NMEA data to the CPU through a serial port after a series of algorithm processes such as capturing, tracking, positioning and settling by the positioning module, and the CPU analyzes and processes the data and reports the data to the background;
the GPRS module consists of a SIM800C and a SIM card, and has the function of wirelessly transmitting the timing time of the singlechip of the communication terminal to a remote management background in real time, wherein the SIM card number is unique in a mobile network, and the address of the current terminal counter is determined. The interface between the SIM800C and the SIM card is SIMRST, SIMCLK, SIMDATA, SIMVCC, wherein SIMRST is a SIM card reset signal, SIMCLK is a SIM card clock signal, SIMDATA is a SIM card data signal, and SIMVCC is a SIM card power supply signal; the interface signals of the SIM800C and the CPU mainly comprise UART interfaces, a network state indicator lamp and an operation state indicator lamp, wherein the UART interfaces comprise TXD, RXD, RTS, CTS, DCD, DTR signals and RI signals, TXD is a data transmission signal, RXD is a data receiving signal, RTS is a request to send signal, CTS is a clear to send signal, DCD is a data carrier monitoring signal, DTR is a data terminal preparation signal, and RI is a ringing prompt signal.
When the whole system is assembled, the vehicle-mounted terminal is arranged on the children electric vehicle, the terminals are distinguished according to the address numbers of the terminals, and the remote management background can be a PC provided with control management software of the children electric vehicle, so that the received real-time data of each terminal is analyzed and processed.
When the system works, the remote management background sends instruction data to the vehicle-mounted terminal, and the terminal CPU analyzes the instruction data and then carries out corresponding processing. The specific flow is that when the background sends a play starting instruction and specific play time data to the terminal, the terminal controls the relay switch by utilizing the relay switch actuation principle, so as to control the power supply of the electric vehicle to be turned on, after the ACC ignition signal is detected, the CPU starts timing, the timing time is the play time given by the background, the power supply is automatically cut off after the timing is finished, and the timing data is sent to the remote management background through the wireless GPRS module.
Meanwhile, the vehicle-mounted terminal can actively report some acquired information to the background at regular time for a background manager to check. Mainly battery state information, on-off state information and positioning information.
Claims (1)
1. The control system of the children electric vehicle comprises a remote management background and a vehicle-mounted terminal, and is characterized in that the remote management background is connected with the vehicle-mounted terminal through wireless communication, the vehicle-mounted terminal mainly comprises a CPU module, a power switch control module, a voltage acquisition module, a positioning module and a GPRS module, and the power switch control module, the voltage acquisition module, the positioning module and the GPRS module are all electrically connected with the CPU module;
the CPU module adopts an STM32F100C8T6 singlechip, the pin 5 and the pin 6 of the CPU are connected with a high-speed external clock oscillation circuit consisting of a resistor R53, a resistor R54, a capacitor C36, a capacitor C37 and a crystal oscillator Y2, and the pin 3 and the pin 4 of the CPU are connected with an external low-frequency clock oscillation circuit consisting of a capacitor C32, a capacitor C33, a resistor R52 and a crystal oscillator Y1; the power switch control module consists of a relay suction switch circuit module, the relay U4 is an HFKW012-1ZW module, the transistor Q2, the peripheral resistor R21, the resistor R22, the resistor R23, the resistor R24 and the diode D5 form a relay switch control circuit together, the transistor Q2 is an NPN tube MMBT3904, the diode D5 is an SK34, and the JDQ_CTL interface of the power switch module is connected with the 11 pins of the CPU; the voltage acquisition module consists of a voltage dividing circuit formed by a resistor R64, a resistor R69 and a capacitor C39, and a divided network interface DCIN_12V_ADC enters an AD port of the CPU for sampling by the singlechip; the positioning module mainly comprises a positioning chip and a receiving antenna, wherein the positioning chip is an N303-3 module, the antenna head is a standard SMA antenna interface, after receiving satellite signals, the antenna outputs NMEA data to a CPU through a serial port after being captured and tracked by the positioning module and processed by a positioning settlement algorithm, and the CPU analyzes and processes the data and reports the data to the background; the GPRS module consists of a SIM800C and a SIM card, wherein an interface between the SIM800C and the SIM card is SIMRST, SIMCLK, SIMDATA, SIMVCC, SIMRST is a SIM card reset signal, SIMCLK is a SIM card clock signal, SIMDATA is a SIM card data signal, and SIMVCC is a SIM card power supply signal; the interface signals of the SIM800C and the CPU mainly comprise UART interfaces and a network status indicator lamp and an operation status indicator lamp, and the UART interfaces comprise TXD, RXD, RTS, CTS, DCD, DTR and RI for 7 signals.
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基于STM32与GSM的车载儿童安全智能报警系统的设计;刘琼琼;游专;张永生;张梦杰;范金鑫;;价值工程(第33期);全文 * |
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