CN218400283U - Multi-charging gun charging control device and alternating-current charging pile - Google Patents

Abstract

The utility model provides a rifle that charges more fills electric control device and alternating-current charging stake, including the control mainboard, metering circuit and multichannel charging control circuit all the way, the control mainboard respectively with metering circuit with charging control circuit connects, metering circuit respectively with charging control circuit connects, metering circuit is including the metering chip who is used for multichannel electric energy measurement. The utility model discloses a set up the control mainboard, can support the charging chip, a plurality of charge control circuit who reads multichannel charging data all the way, the rifle that charges is many to collocation, and each charge control circuit collocation one rifle that charges can charge simultaneously, and mutual noninterference realizes that many guns charge jointly.

Description

Charging control device for multiple charging guns and alternating-current charging pile

Technical Field

The utility model relates to a fill electric pile technical field, especially relate to a fill electric control device and alternating-current charging stake of rifle that charges more.

Background

Along with the market of new energy vehicles entering a high-speed growth period, electric vehicles are more and more charged with facilities, and alternating-current charging piles are equipment which must be installed in each community. At present, the alternating current pile mostly adopts a mode of single-path single-gun output and double-gun wheel charging output, the number of charging guns is small, only a single vehicle can be charged during charging, and the charging time is too long.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rifle charging control device and alternating-current charging stake more for solve among the prior art alternating-current pile and adopt single way single rifle output and the mode that the output was filled to the double gun wheel more, the rifle that charges is quantity less, and can only charge to the bicycle when charging, the defect of charge time overlength.

The utility model provides a rifle charge control device that charges more, including the control mainboard, metering circuit and multichannel charge control circuit all the way, the control mainboard respectively with metering circuit with charge control circuit connects, metering circuit respectively with charge control circuit connects, metering circuit is including the metering chip who is used for multichannel electric energy measurement.

According to the utility model provides a pair of rifle that charges more controls, the control circuit that charges includes relay control circuit and the signal detection circuit that charges, the signal detection circuit that charges's output with control mainboard connection, relay control circuit's input with control mainboard connection, every the control circuit that charges's structure is the same.

According to the utility model provides a pair of rifle that charges more fills electric control device, the signal detection circuitry that charges includes comparator U1A, comparator U1B, resistance R1, resistance R3, resistance R4, resistance R5, resistance R7, resistance R8, electric capacity C2, the PWM signal of rifle that charges is acquireed to comparator U1A's third pin, the second pin with resistance R7 and resistance R8's common port are connected, 12V voltage is connected to resistance R7's the other end, resistance R8's other end ground connection, comparator U1A's first pin connecting resistance R5's one end and electric capacity C2's one end, comparator U1A's fourth pin is connected to electric capacity C2's the other end, comparator U1B's fifth pin is connected to resistance R5's the other end, comparator U1B's sixth pin and seventh pin are connected through resistance R1, comparator U1B's seventh pin still connecting resistance R4.

According to the utility model provides a pair of rifle that charges more fills controlling means, relay control circuit includes relay K1, triode Q1, resistance R2, diode D1, electric capacity C1, resistance R6, and diode D1's both ends are connected with relay K1, and triode Q1's collecting electrode is connected with relay K1, and the base is connected with resistance R2, electric capacity C1 and resistance R6 respectively, resistance R2 and electric capacity C1 ground connection.

According to the utility model provides a pair of rifle that charge controlling means more still includes earth leakage protection circuit, earth leakage protection circuit with measurement circuit connects.

According to the utility model provides a pair of rifle that charges more fills electric control device still includes communication circuit, communication circuit with control mainboard connection.

According to the utility model provides a pair of rifle charging control device charges more, communication circuit includes RS485 communication circuit, CAN communication circuit, RS232 communication circuit, ethernet communication circuit and wiFi communication circuit.

According to the utility model provides a pair of rifle charge control device charges more, every way charge control circuit is connected with the rifle that charges all the way, charge control circuit's quantity is 10.

The utility model also provides an alternating-current charging stake, include many rifle charging control device that charge.

The utility model provides a rifle charging control device and alternating-current charging stake that charge more, through setting up the control mainboard, can support the charging chip, a plurality of charging control circuit who reads multichannel charging data all the way, the many guns that charge of collocation, the rifle that charges of each charging control circuit collocation, can charge simultaneously, mutual noninterference realizes that many guns charge jointly.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic block diagram of a charging control device for multiple charging guns according to the present invention;

FIG. 2 is a schematic diagram of a charge signal detection circuit;

fig. 3 is a schematic diagram of a relay control circuit.

Reference numerals:

1-control mainboard, 2-metering circuit, 3-charging control circuit, 4-leakage protection circuit and 5-charging gun.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a rifle 5 charge control device charges more, including control mainboard 1, metering circuit 2 and multichannel charge control circuit 3 all the way, control mainboard 1 respectively with metering circuit 2 with charge control circuit 3 connects, metering circuit 2 respectively with charge control circuit 3 connects, metering circuit 2 is including the metering chip who is used for multichannel electric energy measurement.

Optionally, the control main board 1 may be formed by a GD32F103VET6 chip and its peripheral circuits. The metering chip can adopt BL0910, is a built-in clock multipath calibration-free electric energy metering chip, can realize 10 alternating current electric energy metering at most, and in addition, the chip has the electric leakage monitoring function, can measure the electric leakage above 1mA, and the response time is the fastest 10mS, and electric leakage monitoring threshold value and response time can set up, communicate with the main control chip through the serial ports, cost greatly reduced.

Optionally, the metering circuit 2 is electrically connected to the control motherboard 1 through a serial port.

Optionally, the charging control circuit 3 includes a relay control circuit and a charging signal detection circuit, the output end of the charging signal detection circuit is connected to the control main board 1, the input end of the relay control circuit is connected to the control main board 1, and each charging control circuit 3 has the same structure.

Optionally, as shown in fig. 2, the charging signal detection circuit includes a comparator U1A, a comparator U1B, a resistor R1, a resistor R3, a resistor R4, a resistor R5, a resistor R7, a resistor R8, and a capacitor C2, where a third pin of the comparator U1A obtains a PWM signal of the charging gun 5, a second pin is connected to a common end of the resistor R7 and the resistor R8, the other end of the resistor R7 is connected to 12V voltage, the other end of the resistor R8 is grounded, a first pin of the comparator U1A is connected to one end of the resistor R5 and one end of the capacitor C2, the other end of the capacitor C2 is connected to a fourth pin of the comparator U1A, the other end of the resistor R5 is connected to a fifth pin of the comparator U1B, a sixth pin of the comparator U1B is connected to a seventh pin of the resistor R1, and a seventh pin of the comparator U1B is further connected to the resistor R4.

Optionally, as shown in fig. 3, the relay control circuit includes a relay K1, a transistor Q1, a resistor R2, a diode D1, a capacitor C1, and a resistor R6, two ends of the diode D1 are connected to the relay K1, a collector of the transistor Q1 is connected to the relay K1, a base is connected to the resistor R2, the capacitor C1, and the resistor R6, and the resistor R2 and the capacitor C1 are grounded.

Optionally, the metering device further comprises a leakage protection circuit 4, and the leakage protection circuit 4 is connected with the metering circuit 2.

Optionally, the controller further comprises a communication circuit, and the communication circuit is connected with the control main board 1. The communication circuit may include an RS485 communication circuit, a CAN communication circuit, an RS232 communication circuit, an ethernet communication circuit, and a WiFi communication circuit. The control main board 1 can communicate with the server through the communication circuit, and transmit the real-time data of each charging control circuit 3 to the server.

Optionally, each path of the charging control circuit 3 is connected to one path of the charging gun 5, and the number of the charging control circuits 3 is 10.

In the charging process, the charging control circuit 3 of each path is responsible for performing communication processing of PWM signals with the vehicle to be charged and performing charging abnormity warning detection. After a user inserts the charging gun 5 into a vehicle to be charged, when the charging control circuit 3 detects normal charging voltage through the PWM detection interface, and in the state of no abnormal alarms, the relay is closed, the output is opened, and charging is performed after the control instruction sent by the control main board 1 is received. The control mainboard 1 does not need to communicate with each charging control circuit 3, only needs to judge faults and issue control instructions, does not need to use too many communication wires, and saves the cost on the wires.

The utility model discloses in, only need through a measurement chip that supports multichannel voltage circuit and detect, can monitor each item of data that charge of each way. The multi-path metering circuit 2 is not required to be installed, and the cost on metering can be greatly reduced. Each way of charging control circuit 3 is not only saving an independent metering chip, but also not needing to carry out too much complex control, only needing to execute output of some PWM signals and some abnormal alarms, and basic functions such as charging control and the like.

The utility model also provides an alternating-current charging stake, include 5 charge control devices of rifle that charge more.

In the alternating-current charging pile, charging data of all paths are collected on one control main board 1 and processed by the control main board 1, and the control main board 1 is also communicated with a server. Charging data of a plurality of charging branches can be driven only by one communication circuit. Because in the same cupboard, each device such as lightning protection, electric leakage, all only need one, various circuits also concentrate in a rack, reduce cost, convenient centralized management and maintenance.

The utility model provides a 5 charge control devices of rifle and alternating-current charging stake more, through setting up control mainboard 1, can support the charging chip, a plurality of charge control circuit 3 that read multichannel charging data all the way, the many rifle 5 that charge of collocation, 3 collocation one of each charge control circuit rifle 5 that charge, can charge simultaneously, mutual noninterference realizes that many guns charge jointly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. The utility model provides a rifle that charges more controls device which characterized in that, includes the control mainboard, measures circuit and multichannel control circuit that charges all the way, the control mainboard respectively with measure circuit with the control circuit that charges connects, measure circuit respectively with the control circuit that charges connects, measure circuit is including the measurement chip that is used for multichannel electric energy measurement.

2. The charging control device for multiple charging guns according to claim 1, wherein the charging control circuit comprises a relay control circuit and a charging signal detection circuit, an output end of the charging signal detection circuit is connected with the control main board, an input end of the relay control circuit is connected with the control main board, and each charging control circuit has the same structure.

3. The multi-charging gun charging control device according to claim 2, wherein the charging signal detection circuit comprises a comparator U1A, a comparator U1B, a resistor R1, a resistor R3, a resistor R4, a resistor R5, a resistor R7, a resistor R8 and a capacitor C2, a third pin of the comparator U1A obtains a PWM signal of the charging gun, a second pin is connected to a common terminal of the resistor R7 and the resistor R8, the other end of the resistor R7 is connected to a 12V voltage, the other end of the resistor R8 is grounded, a first pin of the comparator U1A is connected to one end of the resistor R5 and one end of the capacitor C2, the other end of the capacitor C2 is connected to a fourth pin of the comparator U1A, the other end of the resistor R5 is connected to a fifth pin of the comparator U1B, a sixth pin and a seventh pin of the comparator U1B are connected through the resistor R1, and a seventh pin of the comparator U1B is further connected to the resistor R4.

4. The charging control device for the multi-charging gun according to claim 2, wherein the relay control circuit comprises a relay K1, a transistor Q1, a resistor R2, a diode D1, a capacitor C1 and a resistor R6, wherein two ends of the diode D1 are connected with the relay K1, a collector of the transistor Q1 is connected with the relay K1, a base of the diode D1 is respectively connected with the resistor R2, the capacitor C1 and the resistor R6, and the resistor R2 and the capacitor C1 are grounded.

5. The multi-gun charge control device according to claim 1, further comprising an earth leakage protection circuit connected to the metering circuit.

6. The multi-gun charge control device of claim 1, further comprising a communication circuit connected to the control motherboard.

7. The multi-gun charge control device according to claim 6, wherein the communication circuit includes an RS485 communication circuit, a CAN communication circuit, an RS232 communication circuit, an ethernet communication circuit, and a WiFi communication circuit.

8. The charging control device with multiple charging guns as claimed in claim 1, wherein each charging control circuit is connected with one charging gun, and the number of the charging control circuits is 10.

9. An ac charging pile comprising a multi-charging-gun charging control apparatus according to any one of claims 1 to 8.

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