阅读说明：本技术 一种基于无线充电的家用型电动汽车智能充电装置 (Household type electric automobile intelligent charging device based on wireless charging ) 是由 李韶杰 袁亮 邹林刚 于 2019-10-29 设计创作，主要内容包括：一种基于无线充电的家用型电动汽车智能充电装置,包括主控制器,主控制器输出端连接继电器输入端,继电器通过无线充电装置进行充电,主控制器的输出端分别与蜂鸣器、LED、液晶显示屏的输入端连接,主控制器分别与GPRS模块和电流电压检测模块双向连接,电流电压检测模块通过无线充电装置供电。本发明通过GPRS模块对智能充电装置经行控制,调整电动车在用电低峰期充电,达到减少电网负荷的目的。(The utility model provides a domestic type electric automobile intelligent charging device based on wireless charging, includes main control unit, and the relay input is connected to the main control unit output, and the relay charges through wireless charging device, and main control unit's output is connected with bee calling organ, LED, liquid crystal display's input respectively, and main control unit respectively with GPRS module and current-voltage detection module both way junction, current-voltage detection module passes through the power supply of wireless charging device. The invention controls the intelligent charging device through the GPRS module, adjusts the charging of the electric vehicle in the electricity consumption low peak period, and achieves the purpose of reducing the load of the power grid.)

1. The utility model provides a domestic type electric automobile intelligent charging device based on wireless charging, a serial communication port, including main control unit (2), main control unit (2) output connect relay (4) input, relay (4) charge through wireless charging device (1), main control unit (2) the output be connected with buzzer (3), LED (5), liquid crystal display (6) input respectively, main control unit (2) respectively with GPRS module (8) and current-voltage detection module (9) both way junction, current-voltage detection module (9) are supplied power through wireless charging device (1).

2. The intelligent charging device for the household electric vehicle based on wireless charging is characterized in that the main controller (2) controls the switch of the relay (4) to control the switch of the whole wireless charging device (1).

3. The intelligent charging device for the household electric vehicle based on wireless charging is characterized in that the current and voltage detection module (9) detects the change of current and voltage in a circuit of the wireless charging device 1, a signal is sent to the main controller (2) when the current and the voltage are over and over, and the main controller (2) controls the alarm module to give an alarm.

4. The intelligent household electric vehicle charging device based on wireless charging as claimed in claim 1, wherein the liquid crystal display (6) displays various information of the whole intelligent household electric vehicle charging device.

5. The intelligent charging device for the household electric vehicle based on wireless charging as claimed in claim 1, wherein the main controller (2) adopts an STM32F1 series single chip microcomputer.

6. The intelligent charging device for the household electric vehicle based on wireless charging is characterized in that the LED (5), the buzzer (3) and the GPRS module (8) form an alarm module, and the alarm module is controlled by the main controller (2).

7. The intelligent charging device for household electric vehicles based on wireless charging as claimed in claim 1, wherein the wireless charging device (1) comprises a transmitting circuit and a receiving circuit.

8. The intelligent charging device for household electric vehicles based on wireless charging as claimed in claim 7, wherein the transmitting circuit is powered by 220v commercial power, and is reduced in voltage by transformer T1, the voltage output by the secondary coil is connected with the input ends of D1 and D2 for rectification, and is connected with the anode of C1 for filtering by the output ends of D1 and D2, the output ends of D1 and D1 are connected with the relay, the relay is connected with the anode of LED1, the cathode of LED1 is connected with S1, the switch S1 controls the operation of the relay and further controls the connection of switch j, the DC power supply BT1 is used as a backup power supply, the output end of switch j is connected with the input ends of C1, LC1 RP and FUSE1, the output ends of FUSE1 are connected with the anode and F of C1, the input ends of R1 and R1 are connected with the other end of R1 and R1, the other end of the potentiometer RP1 is connected with the output end of f1, f1, f2 and f3 are sequentially connected, the output end of f3 is connected with R2 and C7, C7 is connected with R2 in parallel, the output end of R2 is connected with the negative electrode of D3 and the G electrode of a field-effect tube Q1, the S electrode and the B electrode of a field-effect tube Q1 are grounded, the D electrode is connected with the other ends of C8 and L1, and L1 is a transmitting coil.

9. The intelligent charging device for home electric vehicle based on wireless charging as claimed in claim 7, wherein the receiving circuit comprises L2 as a receiving coil, the output terminal of L2 is connected with a bridge rectifier circuit, the output terminal of the bridge rectifier circuit is connected with the positive electrode of C9, the C10, R4, R5, R6, the C pole of transistor Q3 and the positive electrode of red LED, the other terminal of R4 is connected with RP2, RP2 is connected with TL431, one end of TL431 is connected with ground, the other end is connected with R12, the other terminal of R5 is connected with the B pole and R8 of transistor Q3, the E pole of transistor Q3 is connected with ground through green LED, the other terminal of R8 is connected with the output terminal of operational amplifier, the other terminal of R6 is connected with R7, R7 is connected with a switch in parallel, R7 is connected with the C pole of transistor Q5, the B pole of transistor Q5 is connected with the negative pole of red LED and R9, the E pole of Q5 is connected with a direct current meter, the other end of the R9 is connected with the C pole of a triode Q4, the E pole of a triode Q4 is grounded, the B pole of the triode Q4 is connected with the R10, the other end of the R10 is connected with the output end of the operational amplifier, the R11 is connected with the inverting input end of the operational amplifier, the R12 is connected with the non-inverting input end of the operational amplifier, and the other end of the R11 is grounded through a voltmeter.

Technical Field

The invention relates to the technical field of electric automobile charging devices, in particular to a household type electric automobile intelligent charging device based on wireless charging.

Background

With the growing market of new energy automobiles, the demand for the infrastructure charging facilities increases exponentially. The current wired charging mode has the problems of poor safety, easy aging of circuits, high construction cost and low energy utilization rate, and the market urgently needs a revolutionary charging mode, so that the opportunity is provided for the development of intelligent wireless charging. At present, most pure electric vehicles on the market are charged in public charging piles, the charging is more in the peak period of power utilization, the situation of short supply and short demand can undoubtedly occur in the charging in the peak period of power utilization, the situations of traffic jam, overweight coincidence of a power grid and the like are caused, and therefore the improvement of the problems is more and more important.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a household intelligent charging device for an electric vehicle based on wireless charging, wherein the intelligent charging device is controlled by a GPRS module to adjust the electric vehicle to be charged at a low power consumption peak so as to achieve the purpose of reducing the load of a power grid.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a domestic type electric automobile intelligent charging device based on wireless charging, includes main control unit 2, 2 outputs of main control unit connect relay 4 inputs, relay 4 charges through wireless charging device 1, main control unit 2's output be connected with bee calling organ 3, LED5, liquid crystal display 6's input respectively, main control unit 2 respectively with GPRS module 8 and current-voltage detection module 9 both way junction, current-voltage detection module 9 supplies power through wireless charging device 1.

The main controller 2 controls the switch of the relay 4, and then controls the switch of the whole wireless charging device 1.

The current and voltage detection module 9 detects the change of current and voltage in the circuit of the wireless charging device 1, signals are sent to the main controller 2 when overcurrent and overvoltage occur, and the main controller 2 controls the alarm module to give an alarm.

The liquid crystal display screen 6 displays various information of the whole household intelligent charging device.

The main controller 2 adopts STM32F1 series single-chip microcomputer.

LED5, bee calling organ 3 and GPRS module 8 constitute alarm module, alarm module passes through main control unit 2 control.

The wireless charging device 1 comprises a transmitting circuit and a receiving circuit.

The transmitting circuit is powered by 220v mains supply, the voltage is reduced through a transformer T, the voltage output by a secondary coil is connected with input ends of D and D for rectification, the voltage is connected with an anode of C for filtering through output ends of D and D, the output ends of D and D are connected with a relay, the relay is connected with an anode of an LED, a cathode of the LED is connected with S, the switch S controls the operation of the relay so as to control the connection of a switch j, a direct current power supply BT serves as a standby power supply, the output end of the switch j is connected with input ends of C, C and Lc and FUSE, the FUSE is connected with C, C and L, the output end of Lc is connected with the anode of C and f, C is respectively connected with two ends of f and f for filtering, one end of R is connected with the input end of f, the other end of R is connected with a potentiometer RP, the other end of the potentiometer RP is connected with the output end of f, f and f are sequentially connected, and the output, c7 is connected with R2 in parallel, the output end of R2 is connected with the negative electrode of D3 and the G electrode of a field effect tube Q1, the S electrode and the B electrode of the field effect tube Q1 are grounded, the D electrode is connected with the other ends of C8 and L1, and L1 is a transmitting coil.

The receiving circuit comprises an L2 receiving coil, an output end of an L2 is connected with a bridge rectifier circuit, an output end of the bridge rectifier circuit is connected with an anode of a C9, a C10, an R4, an R5, an R6 and a C pole of a triode Q3 and an anode of a red LED, the other end of an R4 is connected with an RP2, the RP2 is connected with a TL431, one end of the TL431 is grounded, the other end of the TL is connected with an R2, the other end of the R2 is connected with a B pole of the triode Q2 and the R2, an E pole of the triode Q2 is grounded through a green LED, the other end of the R2 is connected with an output end of an operational amplifier, the other end of the R2 is connected with the R2, the R2 is connected with a switch in parallel, the R2 is connected with a C pole of the triode Q2, a B pole of the triode Q2 is connected with a cathode of the red LED and the R2, an E pole of the triode Q2 is connected with a DC power supply through an ammeter, and the C pole of the triode Q2 is, the other end of R10 is connected with the output end of the operational amplifier, R11 is connected with the inverting input end of the operational amplifier, R12 is connected with the non-inverting input end of the operational amplifier, and the other end of R11 is grounded through a voltmeter.

The invention has the beneficial effects that:

when the electric vehicle leaves the charging device, a user controls the intelligent charging device through the APP, and controls the relay 4 to be closed through the main controller 2, so that the power supply of the wireless charging device 1 is cut off; when the current and voltage detection module 9 detects that the wireless charging circuit is abnormal, the relay is controlled to be closed through the main controller 2, and then the power supply of the wireless charging device 1 is cut off, so that the circuit is protected, the alarm module is controlled through the main controller 2 to perform alarm processing, and malignant events are avoided.

The invention provides a household intelligent electric vehicle charging device based on wireless charging, which can be realized in a household parking space, and the electric vehicle is charged in a wireless charging mode, so that many problems of the original wired charging are solved. The user can adjust the electric motor car and charge at the power consumption low peak through GPRS module control to intelligent charging device, reaches the purpose that reduces the electric wire netting load, and the device has the function of detecting real-time current voltage, and overcurrent and overvoltage can send out the police dispatch newspaper and cut off wireless charging circuit's switch, reaches the purpose that protection charging circuit safety, reduction arouse catching fire because of the circuit problem. The user can know the whole running condition of the device and the real-time situation of current and voltage through liquid crystal display, turns into visual information with the inside information of device, makes the light understanding device running condition of user.

Drawings

Fig. 1 is an internal circuit diagram of a wireless charging device according to the present invention.

Fig. 2 is an internal circuit diagram of the wireless charging device according to the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

FIG. 4 is a block diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The invention provides a household intelligent electric vehicle charging device based on wireless charging, which comprises a wireless charging device 1, a main controller 2, a buzzer 3, a relay 4, an LED5, a liquid crystal display screen 6, a shell 7, a GPRS module 8 and a current and voltage detection module 9, wherein the output end of the main controller 1 is connected with the input end of the relay 4, the relay 4 is connected with the wireless charging device 1, the output end of the main controller 2 is respectively connected with the input ends of the buzzer 3, the LED5 and the liquid crystal display screen 6, the main controller 2 is respectively in bidirectional connection with the GPRS module 8 and the current and voltage detection module 9, and the current and voltage detection module 9 is connected with the wireless charging device 1.

As shown, fig. 1 and 2 are circuit diagrams of the wireless charging device 1;

the circuit shown in fig. 1 is used as a transmitting circuit, 220v commercial power is supplied, voltage is reduced through a transformer T1, the voltage output by a secondary coil is connected with input ends of D1 and D2 for rectification, the voltage is connected with the anode of C1 for filtering through output ends of D1 and D2, output ends of D1 and D2 are connected with a relay, the relay is connected with the anode of an LED1, the cathode of the LED1 is connected with S3, a switch S3 controls the operation of the relay and further controls the connection of a switch j, a direct current power supply BT1 is used as a standby power supply, the output end of the switch j is connected with input ends of C2, C3 and Lc1 and FUSE1, FUSE1 is connected with C5, C8 and L1, the output end of Lc1 is connected with the anode of C5 and f3, C4 is respectively connected with two ends of f1 and f2 for filtering, one end of R1 is connected with the input end of f1, the other end of the potential device 1 and 1 f 72 and 1 f1 are sequentially connected with the potential device 1 f1 and 1 f, the output end of f3 is connected with R2 and C7, C7 is connected with R2 in parallel, the output end of R2 is connected with the negative electrode of D3 and the G pole of a field-effect tube Q1, the S pole and the B pole of the field-effect tube Q1 are grounded, the D pole is connected with the other ends of C8 and L1, and L1 is a transmitting coil.

The circuit shown in fig. 2 is a receiving circuit, L2 is a receiving coil, the output terminal of L2 is connected to a bridge rectifier circuit, the output terminal of the bridge rectifier circuit is connected to the positive electrode of C9, the positive electrodes of C10, R4, R5, R6, the C electrode of transistor Q3, and the positive electrode of the red LED, the other terminal of R4 is connected to RP2, RP2 is connected to TL431, one terminal of TL431 is grounded, the other terminal of TL431 is connected to R2, the other terminal of R2 is connected to the B electrode of transistor Q2 and R2, the E electrode of transistor Q2 is grounded via green LED, the other terminal of R2 is connected to the output terminal of operational amplifier, the other terminal of R2 is connected to R2, R2 is connected to a switch in parallel, R2 is connected to the C electrode of transistor Q2, the B electrode of transistor Q2 is connected to the negative electrode of the red LED and R2, the E electrode of transistor Q2 is connected to a dc power supply via a current meter, the C electrode of transistor Q2 is connected to ground, the transistor Q2, and the transistor Q36, the other end of R10 is connected with the output end of the operational amplifier, R11 is connected with the inverting input end of the operational amplifier, R12 is connected with the non-inverting input end of the operational amplifier, and the other end of R11 is grounded through a voltmeter.

When electric automobile stopped the parking stall, wireless charging device 1 charges for the electric motor car through the circuit as shown in fig. 3, and the electric motor car is through receiving the electric energy as the circuit shown in fig. 4, and when electric automobile's power was filled the saturation state, control circuit among the electric automobile sent the saturation information of charging for main control unit 2, main control unit 2 cuts off charging circuit through relay 4 to on sending APP with state information through GPRS module 8, electric motor car charged state is looked over at any time to user's accessible APP.

The alarm module comprises a buzzer 3, an LED5, a current and voltage detection module 9 and a GPRS module 8, wherein the current and voltage detection module 9 detects the change of current and voltage constantly during the working period of the wireless charging device 1, if the current or the voltage suddenly exceeds a rated value under special conditions, the current and voltage detection module 9 immediately sends abnormal information to the main controller 2, the main controller 2 makes judgment, the control relay 4 immediately cuts off a charging circuit, and the alarm module is controlled to enable the buzzer 3 to give an alarm sound; LED5 scintillation to remind user's electric automobile to go wrong in the charging process on sending alarm information to APP through GPRS module 8, avoid malignant incident to take place.

The liquid crystal display 6 can display real-time data of the intelligent charging device of the household electric vehicle, whether the wireless charging device 1 supplies power to the electric vehicle normally or not can be displayed on the liquid crystal display 6, the wireless charging device 1 detects that a load can run, a user can judge whether the electric vehicle stops at a specified position or not through the display of the liquid crystal display 6, and the liquid crystal display 6 can display the real-time value of the current and the voltage at present.

GPRS module 8 passes through APP and domestic type electric automobile intelligent charging device intercommunication's bridge as the user, but user real time control domestic type electric automobile intelligent charging device's the charged state, and the user can set up to charge at the power consumption low peak under the condition of not using urgently, for example set for and begin to charge after 11 points evening, and the next morning just is full of, avoids using daytime electric high peak, reduces the electric wire netting burden, the energy can be saved.