CN216146111U - Charging pile control circuit - Google Patents
Charging pile control circuit Download PDFInfo
- Publication number
- CN216146111U CN216146111U CN202121352342.1U CN202121352342U CN216146111U CN 216146111 U CN216146111 U CN 216146111U CN 202121352342 U CN202121352342 U CN 202121352342U CN 216146111 U CN216146111 U CN 216146111U
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- Prior art keywords
- main control
- circuit
- pin
- control circuit
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the technical field of charging pile control, and discloses a charging pile control circuit, which is characterized by comprising a main control circuit, wherein the main control circuit comprises a main control chip, the main control circuit is connected with a voltage and current regulating circuit, the voltage and current regulating circuit is connected with a battery, the main control circuit is used for controlling the voltage and current regulating circuit to control the charging of the battery and process data, a communication circuit is connected with the main control circuit, the communication circuit is used for data communication between the main control chip of the main control circuit and an industrial control screen and a door lock, the main control circuit and the communication circuit are arranged, the communication circuit is used for data communication between the main control chip of the main control circuit and the industrial control screen and a door lock, when the battery is detected to be abnormal or the door lock is not closed, abnormal signals of the battery and the door lock are transmitted to the main control chip of the main control circuit through the communication circuit, and then the voltage and current regulating circuit is controlled to stop charging the battery through the main control chip of the main control circuit, and safety accidents are prevented.
Description
Technical Field
The utility model relates to the technical field of charging pile control, in particular to a charging pile control circuit.
Background
The charging pile comprises a voltage and current regulating circuit, the voltage and current regulating circuit is connected with the battery, the voltage and current of the battery can be regulated through the voltage and current regulating circuit, and whether the battery is charged or not can be controlled;
however, the safety performance of the existing charging pile is poor, and when the battery is abnormal or the door lock is not closed, the charging pile is easily damaged, and safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a charging pile control circuit which is used for controlling a charging pile to stop charging a battery when the battery is detected to be abnormal or a door lock is not closed, so that safety accidents are prevented.
In order to achieve the purpose, the utility model provides the following technical scheme: the charging pile control circuit comprises a main control circuit, wherein the main control circuit comprises a main control chip, the main control circuit is connected with a voltage and current regulating circuit, the voltage and current regulating circuit is connected with a battery, and the main control circuit is used for controlling the voltage and current regulating circuit to control the charging of the battery and processing data;
the communication circuit, the communication circuit with master control circuit connects, the communication circuit is used for the data communication between master control circuit's main control chip and industrial control screen and the door plant lock, and the abnormal signal of battery and door plant lock passes through the communication circuit transmits extremely master control circuit's main control chip, and industrial control screen passes through the communication circuit with voltage current regulation instruction transmission extremely master control circuit's main control chip, the data of charging of battery pass through the communication circuit transmits to industrial control screen and shows.
As a further improvement of the present invention, the communication circuit includes a CAN transceiver and a serial port J2, the model of the CAN transceiver is TJA1051T/3, a TXD pin and an RXD pin of the CAN transceiver are respectively connected to pins of a main control chip of the main control circuit, a GND pin and an S pin of the CAN transceiver are grounded, a Canh pin of the CAN transceiver is connected to the serial port J2 through a resistor L2, a Canl pin of the Canh transceiver is connected to the serial port J2 through a resistor L1, and the serial port J2 is connected to the industrial control screen and the door lock.
As a further improvement of the present invention, a pin of a main control chip of the main control circuit is connected to a dial switch S1, and the dial switch S1 is used for identifying a charging pile.
As a further improvement of the present invention, the main control circuit is connected with an operational amplifier circuit, the model of the operational amplifier U1A, the operational amplifier U1B and the operational amplifier U1C in the operational amplifier circuit is LM324, its 1 pin is connected to the serial port J1 through a resistor R13 and a diode D2, its 2 pin is connected to the pin of the main control chip of the main control circuit, its 3 pin is grounded through a capacitor C10, its 4 pin is connected to a 12V power voltage, its 5 pin is connected to the pin of the main control chip of the main control circuit through a resistor R23 and is connected to the pin of the main control chip of the main control circuit through resistors R25, R42 and R43, its 6 pin is connected to the pin of the main control chip of the main control circuit through a resistor R58, its 7 pin is connected to the serial port J1 through a capacitor C20, a resistor R32 and a diode D3, its 8 pin is connected to the serial port 1 through a resistor R17 and a resistor R18, and is connected to the serial port 67 18 6 through a resistor R2J 1, the pin 10 of the voltage regulator is connected to a serial port J1 through a resistor R8, the pin 11 of the voltage regulator is connected to the ground, and the serial port J1 is connected with a voltage and current regulating circuit.
As a further improvement of the present invention, a power input pin of a main control chip of the main control circuit is connected to a first power supply circuit, the first power supply circuit is connected to a second power supply circuit, the second power supply circuit is configured to convert an input high level voltage into a working voltage of the communication circuit, and the first power supply circuit is configured to convert an output voltage of the second power supply circuit into a working voltage of the main control chip of the main control circuit.
As a further improvement of the present invention, the main control chip of the second power supply circuit is L78M05ACDT, an IN pin of the main control chip is connected to the input terminal of the second power supply circuit, and a +5V pin of the main control chip outputs 5V power supply voltage and is connected to a Vcc pin of the CAN transceiver.
As a further improvement of the present invention, the first power supply circuit includes a triode Q1 and a voltage regulator tube U5, a voltage regulator end of the voltage regulator tube U5 is connected to a base of the triode Q1 and is connected to an output end of the second power supply circuit through a resistor R9, another end of the voltage regulator tube U5 is grounded, and an output end of the triode Q1 is connected to a power input pin of a main control chip of the main control circuit.
The utility model has the beneficial effects that: according to the utility model, the master control circuit and the communication circuit are arranged, the communication circuit is used for data communication between the master control chip of the master control circuit and the industrial control screen and the door lock, when the battery is detected to be abnormal or the door lock is not closed, abnormal signals of the battery and the door lock are transmitted to the master control chip of the master control circuit through the communication circuit, and then the master control chip of the master control circuit controls the voltage and current regulating circuit to stop charging the battery, so that safety accidents are prevented.
Drawings
FIG. 1 is a schematic block circuit diagram of the system of the present invention;
FIG. 2 is a schematic circuit diagram of a main control circuit, a first power supply circuit, a second power supply circuit, a communication circuit, and an operational amplifier circuit according to the present invention;
fig. 3 is a schematic circuit diagram of the voltage-current regulating circuit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 and 2, the charging pile control circuit of the embodiment includes a main control circuit, where the main control circuit includes a main control chip, the main control circuit is connected to a voltage and current regulating circuit, the voltage and current regulating circuit is connected to a battery, and the main control circuit is configured to control the voltage and current regulating circuit to control charging of the battery and to process data; the communication circuit is connected with the master control circuit and used for data communication between a master control chip of the master control circuit and the industrial control screen and the door panel lock, abnormal signals of the battery and the door panel lock are transmitted to the master control chip of the master control circuit through the communication circuit, the industrial control screen transmits a voltage and current adjusting instruction to the master control chip of the master control circuit through the communication circuit, and charging data of the battery is transmitted to the industrial control screen through the communication circuit to be displayed.
Being connected with dip switch S1 on master control circuit ' S the main control chip ' S the pin, dip switch S1 is used for the sign to fill electric pile, and operating personnel can carry out data input through dip switch S1, and the data transmission of input is handled to master control circuit ' S master control chip for the electric pile that fills that the sign battery is using.
Referring to fig. 2, the communication circuit includes a CAN transceiver and a serial port J2, the CAN transceiver is of a model TJA1051T/3, a TXD pin and an RXD pin of the CAN transceiver are respectively connected to pins of a main control chip of the main control circuit, a GND pin and an S pin of the CAN transceiver are grounded, a Canh pin of the CAN transceiver is connected to the serial port J2 through a resistor L2, a Canl pin of the Canh transceiver is connected to the serial port J2 through a resistor L1, and the serial port J2 is connected to the industrial control screen and the door lock.
When the door plate lock is detected not to be closed, the door plate lock sends an abnormal door plate lock instruction to a main control chip of a main control circuit through a CAN transceiver, and the main control chip of the main control circuit controls a voltage and current regulating circuit to enable a battery to stop charging;
when the battery is detected to be abnormal, the industrial control screen sends a battery abnormal instruction to a main control chip of the main control circuit through the CAN transceiver, and the main control chip of the main control circuit controls the voltage and current regulating circuit to enable the battery to stop charging;
when the voltage and the current of the battery charging are required to be adjusted, an operator sets a voltage and current numerical value by controlling an industrial control screen, the industrial control screen sends a voltage and current adjusting instruction to a main control chip of a main control circuit through a CAN transceiver, and the main control chip of the main control circuit controls the voltage and current adjusting circuit to change the voltage and the current of the battery charging; meanwhile, data such as voltage, current and power of battery charging CAN be sent to the industrial control screen through the CAN transceiver for displaying.
Referring to fig. 2, the operational amplifier circuit is connected to the main control circuit, the model number of the operational amplifier U1A, the operational amplifier U1B and the operational amplifier U1C in the operational amplifier circuit is LM324, 1 pin of the operational amplifier circuit is connected to the serial port J1 through a resistor R13 and a diode D2, 2 pin of the operational amplifier circuit is connected to a pin of the main control chip of the main control circuit, 3 pin of the operational amplifier circuit is grounded through a capacitor C10, 4 pin of the operational amplifier circuit is connected to a 12V power voltage, 5 pin of the operational amplifier circuit is connected to a pin of the main control chip of the main control circuit through a resistor R23, and is connected to a pin of the main control chip of the main control circuit through resistors R25, 6 pin of the operational amplifier circuit is connected to a pin of the main control chip of the main control circuit through a resistor R23, 7 pin of the operational amplifier circuit is connected to the serial port 1 through a capacitor C20, a resistor R32 and a diode D3, 8 pin of the serial port J24 is connected to the serial port J1, 8 pin of the operational amplifier circuit is connected to the serial port J18 through a resistor 573r 5 and a resistor R18, 9 pin of the serial port 1, the pin 11 is grounded, and the serial port J1 is connected with the voltage and current regulating circuit.
Referring to fig. 2, a power input pin of a main control chip of the main control circuit is connected with a first power supply circuit, the first power supply circuit is connected with a second power supply circuit, the second power supply circuit is used for converting an input high level voltage into a working voltage of the communication circuit, and the first power supply circuit is used for converting an output voltage of the second power supply circuit into the working voltage of the main control chip of the main control circuit. The input end of the second power supply circuit is connected with 12v power voltage, the output end of the second power supply circuit outputs 5v voltage for supplying power to the communication circuit, meanwhile, the 5v output of the second power supply circuit is input to the input end of the first power supply circuit, and the output end of the second power supply circuit outputs 3.3v voltage for supplying power to the main control chip of the main control circuit.
The model of the main control chip of the second power supply circuit is L78M05ACDT, the IN pin of the main control chip is connected with the input end of the second power supply circuit, and the +5V pin of the main control chip outputs 5V power voltage and is connected with the Vcc pin of the CAN transceiver. The input end of the second power supply circuit is connected with 12v power voltage, and the output end of the second power supply circuit outputs 5v voltage for supplying power to the CAN transceiver.
The first power supply circuit comprises a triode Q1 and a voltage regulator tube U5, the voltage regulator end of the voltage regulator tube U5 is connected with the base electrode of the triode Q1 and is connected with the output end of the second power supply circuit through a resistor R9, the other end of the voltage regulator tube U5 is grounded, and the output end of the triode Q1 is connected with the power supply input pin of the main control chip of the main control circuit. And 5v output of the second power supply circuit is input to the input end of the first power supply circuit, and 3.3v voltage is output by the output end of the second power supply circuit and is used for supplying power to a main control chip of the main control circuit.
The working principle is as follows: the input end of the second power supply circuit is connected with 12v power voltage, the output end of the second power supply circuit outputs 5v voltage for supplying power to the communication circuit, meanwhile, the 5v output of the second power supply circuit is input to the input end of the first power supply circuit, and the output end of the second power supply circuit outputs 3.3v voltage for supplying power to a main control chip of the main control circuit;
when the door plate lock is detected not to be closed, the door plate lock sends an abnormal door plate lock instruction to a main control chip of a main control circuit through a CAN transceiver, and the main control chip of the main control circuit controls a voltage and current regulating circuit to enable a battery to stop charging;
when the battery is detected to be abnormal, the industrial control screen sends a battery abnormal instruction to a main control chip of the main control circuit through the CAN transceiver, and the main control chip of the main control circuit controls the voltage and current regulating circuit to enable the battery to stop charging;
when the voltage and the current of the battery charging are required to be adjusted, an operator sets a voltage and current numerical value by controlling an industrial control screen, the industrial control screen sends a voltage and current adjusting instruction to a main control chip of a main control circuit through a CAN transceiver, and the main control chip of the main control circuit controls the voltage and current adjusting circuit to change the voltage and the current of the battery charging; meanwhile, data such as voltage, current and power of battery charging CAN be sent to the industrial control screen through the CAN transceiver for displaying.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121352342.1U CN216146111U (en) | 2021-06-17 | 2021-06-17 | Charging pile control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121352342.1U CN216146111U (en) | 2021-06-17 | 2021-06-17 | Charging pile control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216146111U true CN216146111U (en) | 2022-03-29 |
Family
ID=80800482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121352342.1U Expired - Fee Related CN216146111U (en) | 2021-06-17 | 2021-06-17 | Charging pile control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216146111U (en) |
-
2021
- 2021-06-17 CN CN202121352342.1U patent/CN216146111U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231129 Address after: 210000, 3rd floor, Room 101, Building 24, No. 55 Runli Road, Yongyang Street, Lishui District, Nanjing City, Jiangsu Province Patentee after: Nanjing Lide Pengcheng Power Technology Co.,Ltd. Address before: 200000 floor 2, No. 11, Lane 6638, Songze Avenue, Qingpu District, Shanghai Patentee before: Shanghai Lide Hongyuan Industrial Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |