CN210101347U

CN210101347U - Intelligent charging socket based on GPRS

Info

Publication number: CN210101347U
Application number: CN201920492905.3U
Authority: CN
Inventors: 徐振国; 陆学成
Original assignee: ZHEJIANG YONGTAILONG ELECTRONIC CO Ltd
Current assignee: ZHEJIANG YONGTAILONG ELECTRONIC CO Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-02-21
Anticipated expiration: 2029-04-12

Abstract

The utility model provides an intelligent charging socket based on GPRS, including the power supply socket, the power supply socket includes the MCU module, the MCU module is connected with measurement signal acquisition circuit, power management circuit, relay control circuit, data storage circuit, GPRS communication module and bluetooth communication module, the MCU module passes through GPRS communication module and server communication connection, the MCU module passes through bluetooth communication module and mobile terminal communication connection. The utility model realizes communication connection between the power supply socket and the server through the GPRS communication module, so that a user can remotely acquire electric energy data; the Bluetooth communication module is in communication connection with the mobile terminal, so that a user can perform data interaction with the power supply socket under the condition of no network; the method can be adapted to the requirements of close-range or remote clients, enables the users to selectively select a proper mode for data interaction, and has the advantages of capability of data online monitoring, strong practicability and the like.

Description

Intelligent charging socket based on GPRS

Technical Field

The utility model belongs to the technical field of the electron, especially, relate to an intelligent charging socket based on GPRS.

Background

About 3 hundred million electric-assisted vehicles in China are expected to increase the speed by 10 percent every year in the future, so the electric-assisted vehicles are huge in the future regardless of the stock or increment. The electric power-assisted vehicle brings convenience, and simultaneously, the safety problem is exposed, particularly, the case that fire disasters are caused by the fact that the electric power-assisted vehicle is not charged in a standard mode successively appears, and the public security department is led to call out the relevant policy to regulate the parking and charging of the electric power-assisted vehicle. For a large electric power-assisted vehicle group, charging is just needed, but how to create a safe charging environment is a big problem.

The ministry of public security issues a notification about the standardized parking and charging of electric vehicles to enhance fire prevention, and the notification firstly emphasizes the hazard of electric vehicle fire. In recent years, the fire accidents of electric vehicles in China are frequent and tend to increase year by year, and the reason for the electric vehicle firing is mainly determined as an electrical fault.

According to the current situation of the electric vehicle and the charging characteristics of the electric vehicle, an intelligent charging socket with the functions of monitoring the charging state of the electric vehicle in real time and the like is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a can realize closely or remote communication's intelligent charging socket based on GPRS is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides an intelligent charging socket based on GPRS, includes the power supply socket, the power supply socket includes the MCU module, the MCU module is connected with measurement signal acquisition circuit, power management circuit, relay control circuit, data storage circuit, GPRS communication module and bluetooth communication module, the MCU module passes through GPRS communication module and server communication connection, the MCU module passes through bluetooth communication module and mobile terminal communication connection.

In foretell intelligent charging socket based on GPRS, measurement signal acquisition circuit includes sampling shunt circuit and sampling resistance circuit, sampling shunt circuit and sampling resistance circuit's output all connect in the MCU module.

In foretell intelligent charging socket based on GPRS, the sampling resistance circuit includes a plurality of sampling resistance that establish ties each other, sampling resistance is connected with divider resistance with the common port of MCU module, divider resistance parallel connection has first electric capacity.

In foretell intelligent charging socket based on GPRS, sampling shunt circuit includes the shunt, two leads of shunt are connected in the MCU module through first resistance, second resistance respectively.

In foretell intelligent charging socket based on GPRS, first resistance and lead wire between establish ties and have first magnetic bead, second resistance and lead wire between establish ties and have the second magnetic bead, just first resistance keep away from the one end of first magnetic bead and the one end that the second magnetic bead was kept away from to second resistance and be connected with second electric capacity and third electric capacity, first electric capacity and second electric capacity interconnect and public termination ground set up.

In foretell intelligent charging socket based on GPRS, power management circuit is including the power control circuit who is used for exporting 12V DC power supply, power control circuit's input is connected in live wire and zero line, power control circuit's output is connected with the first power supply circuit who is used for exporting the 3.9V power, first power supply circuit's output is connected with the second power supply circuit who is used for exporting the 3V power, first power supply circuit be used for doing the GPRS module power supply, second power supply circuit be used for doing bluetooth communication module and MCU module power supply.

In the above intelligent charging socket based on GPRS, the relay control circuit includes a triode whose base and emitter are both connected to the MCU module, and the collector of the triode is connected to the relay through parallel resistors connected in parallel, and the relay is connected to a diode;

the data storage circuit comprises a storage chip, and the storage chip is connected to the MCU module.

In foretell intelligent charging socket based on GPRS, GPRS communication module is including the GPRS chip that is used for realizing communicating between with the server, signal reception end, signal transmission end and the on-off control end of GPRS chip connect in the MCU module through a triode respectively, the GPRS module still is connected with SIM chip and GPRS antenna.

In foretell intelligent charging socket based on GPRS, bluetooth communication module is including being used for realizing the bluetooth chip of near field communication with the removal end, bluetooth chip connect in the MCU module.

In foretell intelligent charging socket based on GPRS, the MCU module still is connected with LED indicating circuit, LED indicating circuit includes a plurality of LED lamps, and a plurality of LED lamps connect in the different ports of MCU module.

The utility model has the advantages that: the communication connection between the power supply socket and the server is realized through the GPRS communication module, so that a user can remotely obtain electric energy data; the Bluetooth communication module is in communication connection with the mobile terminal, so that a user can perform data interaction with the power supply socket under the condition of no network; the method can be adapted to the requirements of close-range or remote clients, enables the users to selectively select a proper mode for data interaction, and has the advantages of capability of data online monitoring, strong practicability and the like.

Drawings

Fig. 1 is a block diagram of the structure of the intelligent charging socket based on GPRS of the present invention;

fig. 2 is a schematic diagram of the communication connection between the power supply socket and the server and the mobile terminal according to the present invention;

FIG. 3 is a schematic structural diagram of the MCU chip of the present invention;

fig. 4 is a circuit structure diagram of the metering signal collecting circuit of the present invention;

fig. 5 is a circuit structure diagram of the power management circuit of the present invention;

fig. 6 is a circuit structure diagram of the data storage circuit of the present invention;

fig. 7 is a circuit structure diagram of the relay control circuit of the present invention;

fig. 8 is a circuit structure diagram of the GPRS communication module of the present invention;

fig. 9 is a circuit structure diagram of the bluetooth communication module of the present invention;

fig. 10 is a circuit configuration diagram of the LED indicating circuit of the present invention.

Reference numeral, MCU module 1; a metering signal acquisition circuit 2; a power management circuit 3; a relay control circuit 4; a data storage circuit 5; a GPRS communication module 6; a Bluetooth communication module 7; an LED indication circuit 8; a server 91; a mobile terminal 92; MCU chip IC 1; a power management chip IC 2; a first DC-DC chip IC 3; a second DC-DC chip IC 4; a memory chip IC 5; a GPRS chip IC 6; SIM chip IC 7; bluetooth chip IC 8.

Detailed Description

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

The embodiment discloses an intelligent charging socket based on GPRS, including the power supply socket, among the prior art, people are when using the power supply socket to carry out the electric motor car and charge, peg graft respectively in power supply socket and electric motor car with the charging wire both ends usually, then set up the charging time and begin to charge, for example, the user can select to charge half an hour, then the power supply socket begins the timing, automatic power off after charging half an hour.

Although the intelligent power supply socket can automatically cut off power according to the charging time requirement of a user, has the functions of electric quantity detection, charge calculation and the like, and can meet the basic requirements of the user, the intelligent power supply socket in the prior art can be set only by the user on the intelligent socket, and the metering result or the charge calculation result can be inquired and settled only on the intelligent socket, so that inconvenience is brought to the user.

For this reason, this embodiment provides a power supply socket, as shown in fig. 1 and fig. 2, the power supply socket of this embodiment includes MCU module 1, MCU module 1 is connected with measurement signal acquisition circuit 2, power management circuit 3, relay control circuit 4, data storage circuit 5, GPRS communication module 6 and bluetooth communication module 7, MCU module 1 is connected with server 91 through GPRS communication module 6, MCU module 1 is connected with mobile terminal 92 through bluetooth communication module 7.

The metering signal acquisition circuit 2 is used for acquiring data such as current and voltage generated by charging the electric vehicle, the acquisition end of the metering signal acquisition circuit 2 is arranged at a line where the power supply socket supplies power to the electric vehicle, when the electric vehicle is plugged into the power supply socket and the relay is closed, current flows through the line, and the metering signal acquisition circuit can acquire electric energy related data; the power management circuit 3 is used for supplying power to each module and circuit in the power supply socket; the relay control circuit 4 is used for switching off or switching on a path between the electric vehicle and a power supply socket so as to control the electric vehicle to start charging or finish charging; the data storage circuit 5 is used for storing the current user information, the charging capacity information of the electric vehicle and other contents; the GPRS communication module 6 is used for data interaction between the power supply socket and the server 91 to realize a remote control function; the Bluetooth communication module 7 is used for data communication between a power supply socket and mobile terminals 92 such as mobile phones and the like, and realizes a network-free communication function; the power supply socket transmits the monitored information such as the charging state to the server 91 and the mobile terminal 92 through the GPRS communication module 6 and the bluetooth communication module 7, respectively.

When a user is beside a power supply socket, related information is directly acquired through the Bluetooth communication module 7 or related setting is carried out on the charging process, network support is not needed, and under the non-network environment caused by reasons of mobile phone arrearages and the like, data interaction can be carried out with the charging socket to acquire related data or send control information, so that the method has the advantages of stable data transmission, reliable control and the like; when the user is located far away from the charging socket, that is, outside the bluetooth transmission distance range, the user can acquire related data and/or send control information from the server 91 through the network, and the method has the advantages of remote data monitoring, remote control, safe charging and the like.

Specifically, as shown in fig. 3, the MCU module 1 includes an MCU chip IC1, and the model number adopted by the MCU chip IC1 herein is HT 5019.

As shown in fig. 4, the metering signal collecting circuit 2 includes a sampling shunt circuit and a sampling resistor circuit, and the output ends of the sampling shunt circuit and the sampling resistor circuit are both connected to the MCU module 1 to transmit the collected electric energy data to the MCU module 1.

Specifically, the sampling resistor is used for collecting voltage signals in the charging process, the sampling resistor circuit comprises a plurality of sampling resistors R27/R28/R29/R14 which are connected in series, a voltage dividing resistor R33 is connected to the common end of the sampling resistor and the MCU module 1, and a first capacitor C30 is connected in parallel to the voltage dividing resistor R33; the sampling shunt circuit is used for collecting current signals in the charging process and comprises a shunt SH1, and two leads of the shunt SH1 are connected to the MCU module 1 through a first resistor R23 and a second resistor R24 respectively. It should be noted that the diverter SH1 is a manganin diverter known in the prior art, and the structure and the operation principle thereof are not described in detail herein.

Preferably, a first magnetic bead N1 is connected in series between the first resistor R23 and the lead, a second magnetic bead N2 is connected in series between the second resistor R24 and the lead, a second capacitor C21 and a third capacitor C22 are connected to one end of the first resistor R23, which is far away from the first magnetic bead N1, and one end of the second resistor R24, which is far away from the second magnetic bead N2, and the first capacitor C21 and the second capacitor C22 are connected with each other and are disposed in a common termination manner. The magnetic beads and the capacitors are used for suppressing high-frequency noise, spike interference and the like on the signal line, so that the sampling shunt has higher anti-interference capability.

Further, as shown in fig. 5, the power management circuit 3 includes a power control circuit for outputting 12V dc power, the power control circuit includes a power management chip IC2, a voltage dependent resistor RU1, a safety capacitor C6, a wire-wound resistor R5, an i-shaped plug inductor L1, a rectifier diode D1, a high-voltage electrolytic capacitor C7, the filter capacitor C5/C1/C2/C3, the electrolytic capacitor C11, the resistor R2/R4/R10 and the like are mainly used for power failure judgment and relay control, the input end of the power management circuit 3 is connected with a live wire L and a zero wire N, the output end of the power control circuit is connected with a first power supply circuit, the first power supply circuit comprises a first DC-DC chip IC3, a plug-in capacitor C8/C24, an inductor L3, a resistor R6/R9/R30/R48, a capacitor C13/C27 and the like, and is used for outputting a 3.9V power supply and supplying the power supply to the GPRS module for work; the output end of the first power supply circuit is connected with a second power supply circuit, and the second power supply circuit comprises a second DC-DC chip IC13, a plug-in capacitor C16, a resistor R11, a capacitor C15 and the like, is used for outputting a 3.3V power supply and provides the power supply for the Bluetooth communication module 7 and the MCU module 1 to work.

As shown in FIG. 6, the data storage circuit 5 comprises a memory chip IC5, a resistor R41/R42/R43, and a capacitor C44/C45/C48, wherein the memory chip IC5 is connected to the MCU module 1.

As shown in fig. 7, the RELAY control circuit 4 includes a transistor Q3 having a base and an emitter connected to the MCU module 1 through resistors R37/R39, respectively, a collector of the transistor Q3 is connected to the RELAY1 through parallel resistors R38/R340 connected in parallel, and a diode D4 is connected to the RELAY 1.

As shown in fig. 8, the GPRS communication module 6 includes a GPRS chip IC6, a SIM chip IC7, a GPRS antenna ANT1, a transistor Q1/Q2/Q5, a patch LED1, a resistor R1/R7/R8/R12/R13/R15/R16/R50/R51, a capacitor C10/C14/C33, and an electrolytic capacitor C9, wherein the GPRS chip is used for communication between the socket and the server 91, the SIM chip IC3 is an E-SIM of the GPRS module, and the Q1/Q2 is a communication level conversion circuit between the MCU module 1 and the GPRS communication module 1.

As shown in fig. 9, the bluetooth communication module 7 includes a bluetooth chip IC8, a light emitting diode LED8, a resistor R31/R34/R36/R44/R45/R46/R47 and a capacitor C28/C29, wherein the bluetooth chip IC8 is used for short-distance communication between the power supply socket and the mobile phone, the LED8 is used for indicating the connection state of bluetooth, for example, the LED8 is normally on when bluetooth is connected, and the LED8 flashes when bluetooth is not connected, and the bluetooth chip IC8 is connected to the MCU module 1.

As shown in fig. 10, the MCU module 1 is further connected with an LED indicating circuit 8, the LED indicating circuit 8 includes a plurality of LED lamps LED3/LED5/LED6/LED7 and a resistor R17/R19/R20/R21, and the plurality of LED lamps are connected to different ports of the MCU module 1. Different LED lights may be used for different status indications, for example LED3 may be used to indicate pulse output and LED5/LED6/LED7 may be used to indicate power level.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although MCU module 1 is used more herein; a metering signal acquisition circuit 2; a power management circuit 3; a relay control circuit 4; a data storage circuit 5; a GPRS communication module 6; a Bluetooth communication module 7; an LED indication circuit 8; a server 91; a mobile terminal 92; MCU chip IC 1; a power management chip IC 2; a first DC-DC chip IC 3; a second DC-DC chip IC 4; a memory chip IC 5; a GPRS chip IC 6; SIM chip IC 7; bluetooth chip IC8, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an intelligence socket that charges based on GPRS, includes the power supply socket, its characterized in that, the power supply socket includes MCU module (1), MCU module (1) is connected with measurement signal acquisition circuit (2), power management circuit (3), relay control circuit (4), data storage circuit (5), GPRS communication module (6) and bluetooth communication module (7), MCU module (1) passes through GPRS communication module (6) and server (91) communication connection, MCU module (1) is through bluetooth communication module (7) and mobile terminal (92) communication connection.

2. The GPRS-based intelligent charging socket according to claim 1, wherein the metering signal acquisition circuit (2) comprises a sampling shunt circuit and a sampling resistance circuit, and the output ends of the sampling shunt circuit and the sampling resistance circuit are both connected to the MCU module (1).

3. The GPRS-based intelligent charging socket according to claim 2, wherein the sampling resistor circuit comprises a plurality of sampling resistors which are connected in series, a voltage dividing resistor is connected to a common end of the sampling resistor and the MCU module (1), and a first capacitor is connected in parallel to the voltage dividing resistor.

4. A GPRS based smart charging jack as claimed in claim 3, wherein said sampling shunt circuit comprises a shunt, two leads of said shunt being connected to the MCU module (1) via a first resistor and a second resistor, respectively.

5. The GPRS-based intelligent charging socket as recited in claim 4, wherein a first magnetic bead is connected in series between the first resistor and the lead, a second magnetic bead is connected in series between the second resistor and the lead, a second capacitor and a third capacitor are connected to one end of the first resistor, which is far away from the first magnetic bead, and one end of the second resistor, which is far away from the second magnetic bead, and the first capacitor and the second capacitor are connected to each other and disposed in a common termination manner.

6. The GPRS-based intelligent charging socket according to claim 5, wherein the power management circuit (3) comprises a power control circuit for outputting 12V DC power, the input end of the power control circuit is connected to the live wire and the zero wire, the output end of the power control circuit is connected with a first power supply circuit for outputting 3.9V power, the output end of the first power supply circuit is connected with a second power supply circuit for outputting 3V power, the first power supply circuit is used for supplying power to the GPRS module, and the second power supply circuit is used for supplying power to the Bluetooth communication module (7) and the MCU module (1).

7. The GPRS-based intelligent charging socket according to claim 6, wherein the relay control circuit (4) comprises a triode, the base electrode and the emitter electrode of which are both connected to the MCU module (1), the collector electrode of the triode is connected to a relay through parallel resistors which are connected in parallel with each other, and a diode is connected to the relay;

the data storage circuit (5) comprises a storage chip, and the storage chip is connected to the MCU module (1).

8. The GPRS-based intelligent charging socket according to claim 7, wherein the GPRS communication module (6) comprises a GPRS chip for realizing communication with the server (91), a signal receiving end, a signal sending end and a switch control end of the GPRS chip are respectively connected to the MCU module (1) through a triode, and the GPRS module is further connected with a SIM chip and a GPRS antenna.

9. The GPRS-based smart charging socket of claim 8, wherein the Bluetooth communication module (7) comprises a Bluetooth chip for implementing near field communication with a mobile terminal, and the Bluetooth chip is connected to the MCU module (1).

10. The GPRS-based intelligent charging socket according to claim 9, wherein the MCU module (1) is further connected with an LED indicating circuit (8), the LED indicating circuit (8) comprises a plurality of LED lamps, and the plurality of LED lamps are connected to different ports of the MCU module (1).