A primary and secondary circuit connection method for low voltage circuit breaker

Abstract

The present invention provides a primary-secondary circuit connection method for a low-voltage circuit breaker, the method comprising the following steps: step S1, connecting a primary conduction part and a secondary control part of the circuit breaker via a terminal block; step S2, connecting a power supply to an adapter board via a socket on the circuit breaker, and then realizing the conduction of an internal circuit of the circuit breaker via the adapter board; step S3, a main controller in the circuit breaker is used to receive a signal and feedback from the primary conduction part, thereby realizing the connection relationship between the primary conduction part and the secondary control part of the circuit breaker; the present invention can realize the connection between the primary conduction part and the secondary control part of the circuit breaker via a terminal block.

Description

Technical Field

[0001] The invention relates to the technical field of circuit breakers, in particular to a primary and secondary circuit connection method of a low-voltage circuit breaker. Background Art

[0002] Traditional low-voltage circuit breakers and electric control devices are usually installed mechanically, without integrating the functions of the circuit breaker and the electric control mechanism. When the motor fails, the overall equipment replacement takes a long time. In addition, the traditional circuit breaker electric control device has a complex structure, and the space required for equipment installation is large. It cannot be effectively assembled with the circuit breaker, and has poor adaptability. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a method capable of connecting a primary conducting part and a secondary control part of a circuit breaker by means of a terminal block.

[0004] The present invention is implemented by the following method: a method for connecting primary and secondary circuits of a low-voltage circuit breaker, the method comprising the following steps:

[0005] Step S1, connecting the primary conducting part and the secondary control part of the circuit breaker via a terminal block;

[0006] Step S2, connecting the power supply to the adapter board through the socket on the circuit breaker, and then realizing the conduction of the internal circuit of the circuit breaker through the adapter board;

[0007] Step S3: The main controller in the circuit breaker is used to receive the signal and feedback of the primary conduction part, so as to realize the connection relationship between the primary conduction part and the secondary control part of the circuit breaker.

[0008] Furthermore, the circuit breaker includes a base, an adapter plate is provided on the base, a socket is provided on the adapter plate, a side plate is provided on the upper end of the front side of the base, mounting holes are provided at both upper and lower ends of the right side of the base, a limit frame is provided in the base, a slider is provided in the base, and the slider is provided below the limit frame, an upper cover is provided on the rear side of the base, fixing holes for connecting the base to the upper cover are provided at both upper and lower ends of the left side of the base, and a handle is provided on the upper cover.

[0009] Further, the circuit of the primary conduction part includes a U4 chip, a P2 socket, a P3 socket, a P1 socket and a P4 socket, pin 1 of the U4 chip is connected to one end of a resistor R19, the other end of the resistor R19 is connected to the HP RXD port, pin 2 of the U4 chip is connected in series with pin 3 of the U4 chip and then connected to the collector of the transistor Q1, the emitter of the transistor Q1 is grounded, the base of the transistor Q1 is connected to one end of a resistor R22, the other end of the resistor R22 is connected to the HPTXD port, pin 4 of the U4 chip is grounded, pin 5 of the U4 chip is connected in series with one end of a capacitor C10 and then grounded, and the other end of the capacitor C10 is connected in series with pin 8 of the U4 chip and then connected to VCC The U4 chip is connected to the M port, the No. 6 pin of the U4 chip is connected to one end of the resistor R14, the other end of the resistor R14 is connected to the A port, the No. 7 pin of the U4 chip is connected to one end of the resistor R21, the other end of the resistor R21 is connected to the B port; the No. 3 pin and the No. 5 pin of the P2 socket are connected in series and then grounded, the No. 7 pin of the P2 socket is connected to the HP RXD port, the No. 11 pin of the P2 socket is grounded, the No. 12 pin of the P2 socket is connected to one end of the resistor R20, the other end of the resistor R20 is grounded, the No. 6 pin of the P2 socket is connected to the HP The TXD port connection setting is that pin 4 of the P2 socket is grounded, pin 1 of the P2 socket and pin 2 of the P2 socket are connected in series and connected to the 12V port; pin 1 and pin 2 of the P3 socket are connected in series and connected to the N port, and pin 7 and pin 8 of the P3 socket are connected in series and connected to the L port; pin 1 of the P1 socket is connected to the A port, pin 2 of the P1 socket is connected to the B port, and pin 6 of the P1 socket is connected to the N port; pin 1 of the P4 socket is connected to the B port, pin 3 of the P4 socket is connected to the A port, pin 5 of the P4 socket is connected to the N port, and pin 7 of the P4 socket is connected to the L port.

[0010] Further, the circuit of the secondary control part includes a U2 chip, a U3 chip, a U1 chip, a P5 socket, a P6 socket, a J10 socket, a U11 chip, a P7 socket, a P9 socket, a P10 socket, a P11 socket and a J1 socket, a No. 2 pin of the U2 chip is connected to the SD / ZD port, a No. 3 pin of the U2 chip is connected to the HZ port, a No. 4 pin of the U2 chip is connected to the FZ port, a No. 5 pin of the U2 chip is connected to one end of a resistor R72 via an OSC IN lead, the resistor R72 is arranged in parallel with a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected to one end of a capacitor C41, the other end of the crystal oscillator Y1 is connected to one end of a capacitor C46, ​​the other end of the capacitor C41 and the other end of the capacitor C46 are both grounded, and a No. 6 pin of the U2 chip is connected to the OSC IN lead. The OUT lead is connected to the other end of the resistor R72, the No. 7 pin of the U2 chip is connected in series with one end of the capacitor C48 through the RESET lead and then connected to one end of the resistor R74, the other end of the resistor R74 is connected to the VCC-3.3V port, the other end of the capacitor C48 is grounded, the No. 8 pin of the U2 chip is connected to the SZ port, the No. 9 pin of the U2 chip is connected to the N DIE port, pin 10 of the U2 chip is connected to the SYKG port, pin 11 of the U2 chip is connected to the FK port, pin 12 of the U2 chip is connected in series with one end of the capacitor C51 and then grounded, pin 13 of the U2 chip is connected in series with the other end of the capacitor C51 and then connected to one end of the live wire L9, the other end of the live wire L9 is connected to the VCC-3.3V port, the other end of the capacitor C51 is connected to the VDDA-3.3V port, pin 18 of the U2 chip is grounded, pin 19 of the U2 chip is connected to the VCC-3.3V port, pin 20 of the U2 chip is connected to the MOTA port, pin 21 of the U2 chip is connected to the MOTB port, pin 22 of the U2 chip is connected to the LED G port, pin 23 of the U2 chip is connected to the LED Y port, pin 24 of the U2 chip is connected to the LED R port, and pin 25 of the U2 chip is connected to the U2 TX port, pin 26 of the U2 chip is connected to the U2 RX port, pin 30 of the U2 chip is connected to one end of capacitor C9, the other end of capacitor C9 is grounded, pin 31 of the U2 chip is grounded, and pin 32 of the U2 chip is connected to VCC-3.3V port. Pin 33 of the U2 chip is connected to the / INT RT port, pin 34 of the U2 chip is connected to the SPI SCK port, pin 35 of the U2 chip is connected to the SPI MISO port, pin 36 of the U2 chip is connected to the SPI MOSI port, pin 37 of the U2 chip is connected to the FLASH CS port, pin 38 of the U2 chip is connected to the WP port, pin 39 of the U2 chip is connected to the BL COG port, pin 40 of the U2 chip is connected to the CS COG port, pin 41 of the U2 chip is connected to the RES COG port, and pin 42 of the U2 chip is connected to the A0 The U2 chip is connected to the COG port, the U2 chip No. 43 pin is connected to the SCL port, the U2 chip No. 44 pin is connected to the SDA port, the U2 chip No. 45 pin is connected to the SET port, the U2 chip No. 46 pin is connected to the SWDIO port, the U2 chip No. 47 pin is grounded, the U2 chip No. 48 pin is connected to the VCC-3.3V port, the U2 chip No. 49 pin is connected to the SWCLK port, the U2 chip No. 51 pin is connected to one end of the resistor R30 in series with the P5 socket No. 3 pin, the U2 chip No. 52 pin is connected to one end of the resistor R29 in series with the P5 socket No. 2 pin, the P5 socket No. 1 pin is grounded, the other end of the resistor R29 and the other end of the resistor R30 are connected in series with the VCC-3.3V port, the U2 chip No. 53 pin is connected to the KEY The U2 chip is connected to the FZ port, the U2 chip pin 54 is connected to the BACK port, the U2 chip pin 55 is connected to the DOWN port, the U2 chip pin 56 is connected to the UP port, the U2 chip pin 57 is connected to the KEY HZ port, the U2 chip pin 58 is connected to the S2 INT port, the U2 chip pin 59 is connected to the S4 INT port, the U2 chip pin 60 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the VCC-3.3V port, the U2 chip pin 61 is connected to the 485RX port, the U2 chip pin 62 is connected to the 485TX port, the U2 chip pin 63 is grounded, and the U2 chip pin 64 is connected to the VCC-3.3V port.3V port; Pin 1 of the P6 socket is connected to the S41 port, Pin 2 of the P6 socket is connected to the S21 port, Pin 3 of the P6 socket is grounded, and Pin 4 of the P6 socket is connected to the N1 port; Pin 1 of the U3 chip is connected to the RS485 The RX2 port is connected, the No. 2 pin of the U3 chip is connected in series with the No. 3 pin and then connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, the base of the transistor Q2 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the No. 6 pin of the U1 chip, the No. 4 pin of the U3 chip is grounded, the No. 5 pin of the U3 chip is connected in series with one end of the capacitor C6 and one end of the resistor R14, one end of the resistor R14 is grounded, the No. 6 pin of the U3 chip is connected to one end of the resistor R10 and one end of the resistor R7, the No. 7 pin of the U3 chip is connected in series with the other end of the resistor R14 and then connected to one end of the resistor R11, the other end of the resistor R11 is connected to the No. 2 pin of the P12 socket, and the No. 10 pin of the U3 chip is connected in series with the other end of the resistor R14. The pin 8 of the U3 chip is connected in series with the other end of the capacitor C6 and then connected to the 5V port. The other end of the capacitor C6 is connected to the other end of the resistor R10. The other end of the resistor R7 is connected to the pin 1 of the P12 socket; the pin 1 of the U1 chip is connected in series with one end of the capacitor C7 and then connected to the VCC-3.3V port. The other end of the capacitor C7 is grounded. The pin 2 of the U1 chip is connected to the 485RX port. The pin 3 of the U1 chip is connected to the 485TX port. The pin 4 of the U1 chip is grounded. The pin 5 of the U1 chip is grounded. The pin 7 of the U1 chip is connected to one end of the resistor R12. The other end of the resistor R12 is connected to the RS485 The RX2 port is connected, the pin 8 of the U1 chip is connected in series with one end of the capacitor C8 and then connected to the 5V port, and the other end of the capacitor C8 is grounded; the pin 1 of the J10 socket is connected to the VCC-3.3V port, the pin 2 of the J10 socket is connected to the SWDIO port, the pin 3 of the J10 socket is grounded, and the pin 4 of the J10 socket is connected to the SWCLK port; the pin 1 of the U11 chip is connected to the FLASH CS port, the pin 2 of the U11 chip is connected to the SPI MISO port, the pin 3 of the U11 chip is connected to the WP port, the pin 4 of the U11 chip is grounded, the pin 5 of the U11 chip is connected to the SPI MOSI port, the pin 6 of the U11 chip is connected to the SPI SCK port, the pins 7 and 8 of the U11 chip are connected in series with one end of the capacitor C34, and one end of the capacitor C34 is connected to VCC-3.3V.3V port, the other end of the capacitor C34 is grounded; Pin 1 of the P9 socket is connected to the U2 TX port, Pin 2 of the P9 socket is connected to the U2 RX port, Pin 3 of the P9 socket is connected to the GND port, and Pin 4 of the P9 socket is connected to the 12V port; Pin 1 and Pin 2 of the P10 socket are connected in series to the VCC-3.3V port, Pin 3 of the P10 socket is grounded, Pin 4 of the P10 socket is connected to the SET port, Pin 5 of the P10 socket is connected to the SDA port, Pin 6 of the P10 socket is connected to the SCL port, Pin 7 of the P10 socket is connected to the A0COG port, Pin 8 of the P10 socket is connected to the RES COG port, Pin 9 of the P10 socket is connected to the CS COG port, and Pin 10 of the P10 socket is connected to the BL The P11 socket is connected to the COG port; Pin 1 of the P11 socket is connected to the 5V port, Pin 2 of the P11 socket is grounded, Pin 3 of the P11 socket is connected to the MOTB port, Pin 4 of the P11 socket is connected to the MOTA port, Pin 5 of the P11 socket is connected to the M- port, Pin 6 of the P11 socket is connected to the M+ port, Pin 7 of the P11 socket is connected to the VCC-3.3V port, Pin 8 of the P11 socket is connected to the GND port, Pin 9 of the P11 socket is connected to the 24V port, and Pin 10 of the P11 socket is connected to the GND port; Pin 1 of the J1 socket is connected to the KEY HZ port, Pin 2 of the J1 socket is connected to the UP port, Pin 3 of the J1 socket is connected to the DOWN port, Pin 4 of the J1 socket is connected to the BACK port, Pin 5 of the J1 socket is connected to the KEY FZ port, and Pin 6 of the J1 socket is connected to the LED G port, pin 7 of the J1 socket is connected to the LED Y port, and pin 8 of the J1 socket is connected to the LED R port; pin 1 of the P7 socket is connected to the M- port, pin 2 of the P7 socket is connected to the M+ port, pin 3 of the P7 socket is grounded, pin 4 of the P7 socket is connected to one end of resistor R24, and the other end of resistor R24 ​​is connected to the SZ port, pin 5 of the P7 socket is connected to one end of resistor R25, and the other end of resistor R25 is connected to the SD / ZD port, pin 6 of the P7 socket is connected to one end of resistor R26, and the other end of resistor R26 is connected to the HZ port, pin 7 of the P7 socket is connected to one end of resistor R27, and the other end of resistor R27 is connected to the FZ port. .

[0011] The beneficial effects of the present invention are as follows: the present invention provides more options for different protection requirements on the circuit breaker use line, and the multifunctional primary and secondary circuits can be selected according to the line use, thereby reducing waste and saving time in line maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the process of the present invention.

[0013] Figure 2 It is a structural schematic diagram of the circuit breaker.

[0014] Figure 3 This is a circuit schematic diagram of the circuit of the primary conduction part.

[0015] Figure 4 This is the circuit schematic diagram of the secondary control part of the circuit. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] See also Figure 1 As shown, the present invention provides a primary and secondary circuit connection method of a low voltage circuit breaker, the method comprising the following steps:

[0018] Step S1, connecting the primary conducting part and the secondary control part of the circuit breaker via a terminal block;

[0019] Step S2, connecting the power supply to the adapter board through the socket on the circuit breaker, and then realizing the conduction of the internal circuit of the circuit breaker through the adapter board;

[0020] Step S3: The main controller in the circuit breaker is used to receive the signal and feedback of the primary conduction part, so as to realize the connection relationship between the primary conduction part and the secondary control part of the circuit breaker.

[0021] See also Figure 2 As shown, in one embodiment of the present invention, the circuit breaker includes a base 1, an adapter plate 2 is provided on the base 1, a socket 21 is provided on the adapter plate 2, a side plate 3 is provided on the upper front end of the base 1, mounting holes 4 are provided at both upper and lower ends of the right side of the base 1, a limit frame 5 is provided in the base 1, a slider 6 is provided in the base 1, and the slider 6 is provided below the limit frame 5, an upper cover 7 is provided on the rear side of the base 1, and fixing holes 8 for connecting the base 1 with the upper cover 7 are provided at both upper and lower ends of the left side of the base 1, and a handle 9 is provided on the upper cover 7. The circuit breaker has thermal magnetic action protection, and the adapter plate 2 is used to transfer the signal connection between the primary and secondary modules, providing quick replacement and installation, and the switching of each functional module can be quickly installed as needed.

[0022] See also Figure 3 As shown, in one embodiment of the present invention, the circuit of the primary conduction part includes a U4 chip, a P2 socket, a P3 socket, a P1 socket and a P4 socket, a No. 1 pin of the U4 chip is connected to one end of a resistor R19, and the other end of the resistor R19 is connected to an HP RXD port, a No. 2 pin of the U4 chip is connected in series with a No. 3 pin of the U4 chip and then connected to the collector of a transistor Q1, an emitter of the transistor Q1 is grounded, a base of the transistor Q1 is connected to one end of a resistor R22, and the other end of the resistor R22 is connected to an HP TXD port, a No. 4 pin of the U4 chip is grounded, a No. 5 pin of the U4 chip is connected in series with one end of a capacitor C10 and then grounded, and the other end of the capacitor C10 is connected in series with a No. 8 pin of the U4 chip and then connected to VCC The U4 chip is connected to the M port, the No. 6 pin of the U4 chip is connected to one end of the resistor R14, the other end of the resistor R14 is connected to the A port, the No. 7 pin of the U4 chip is connected to one end of the resistor R21, the other end of the resistor R21 is connected to the B port; the No. 3 pin and the No. 5 pin of the P2 socket are connected in series and then grounded, the No. 7 pin of the P2 socket is connected to the HP RXD port, the No. 11 pin of the P2 socket is grounded, the No. 12 pin of the P2 socket is connected to one end of the resistor R20, the other end of the resistor R20 is grounded, the No. 6 pin of the P2 socket is connected to the HP The TXD port connection setting, the No. 4 pin of the P2 socket is grounded, the No. 1 pin of the P2 socket and the No. 2 pin of the P2 socket are connected in series and connected to the 12V port; the No. 1 pin and the No. 2 pin of the P3 socket are connected in series and connected to the N port, the No. 7 pin and the No. 8 pin of the P3 socket are connected in series and connected to the L port; the No. 1 pin of the P1 socket is connected to the A port, the No. 2 pin of the P1 socket is connected to the B port, and the No. 6 pin of the P1 socket is connected to the N port; the No. 1 pin of the P4 socket is connected to the B port, the No. 3 pin of the P4 socket is connected to the A port, the No. 5 pin of the P4 socket is connected to the N port, and the No. 7 pin of the P4 socket is connected to the L port. The acquisition voltage and signal summary board plays the role of signal transfer.

[0023] See also Figure 4As shown, in one embodiment of the present invention, the circuit of the secondary control part includes a U2 chip, a U3 chip, a U1 chip, a P5 socket, a P6 socket, a J10 socket, a U11 chip, a P7 socket, a P9 socket, a P10 socket, a P11 socket and a J1 socket, a No. 2 pin of the U2 chip is connected to the SD / ZD port, a No. 3 pin of the U2 chip is connected to the HZ port, a No. 4 pin of the U2 chip is connected to the FZ port, a No. 5 pin of the U2 chip is connected to one end of a resistor R72 via an OSC IN lead, the resistor R72 is arranged in parallel with a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected to one end of a capacitor C41, the other end of the crystal oscillator Y1 is connected to one end of a capacitor C46, ​​the other end of the capacitor C41 and the other end of the capacitor C46 are both grounded, and a No. 6 pin of the U2 chip is connected to one end of a resistor R72 via an OSC IN lead. The resistor R72 is arranged in parallel with a crystal oscillator Y1, one end of the crystal oscillator Y1 is connected to one end of a capacitor C41, the other end of the crystal oscillator Y1 is connected to one end of a capacitor C46, ​​the other end of the capacitor C41 and the other end of the capacitor C46 are both grounded, and a No. 6 pin of the U2 chip is connected to one end of a resistor R72 via an OSC IN lead. The OUT lead is connected to the other end of the resistor R72, the No. 7 pin of the U2 chip is connected in series with one end of the capacitor C48 through the RESET lead and then connected to one end of the resistor R74, the other end of the resistor R74 is connected to the VCC-3.3V port, the other end of the capacitor C48 is grounded, the No. 8 pin of the U2 chip is connected to the SZ port, the No. 9 pin of the U2 chip is connected to the N DIE port, pin 10 of the U2 chip is connected to the SYKG port, pin 11 of the U2 chip is connected to the FK port, pin 12 of the U2 chip is connected in series with one end of the capacitor C51 and then grounded, pin 13 of the U2 chip is connected in series with the other end of the capacitor C51 and then connected to one end of the live wire L9, the other end of the live wire L9 is connected to the VCC-3.3V port, the other end of the capacitor C51 is connected to the VDDA-3.3V port, pin 18 of the U2 chip is grounded, pin 19 of the U2 chip is connected to the VCC-3.3V port, pin 20 of the U2 chip is connected to the MOTA port, pin 21 of the U2 chip is connected to the MOTB port, pin 22 of the U2 chip is connected to the LED G port, pin 23 of the U2 chip is connected to the LED Y port, pin 24 of the U2 chip is connected to the LED R port, and pin 25 of the U2 chip is connected to the U2 TX port, pin 26 of the U2 chip is connected to the U2 RX port, pin 30 of the U2 chip is connected to one end of capacitor C9, the other end of capacitor C9 is grounded, pin 31 of the U2 chip is grounded, and pin 32 of the U2 chip is connected to VCC-3.3V port. Pin 33 of the U2 chip is connected to the / INT RT port, pin 34 of the U2 chip is connected to the SPI SCK port, pin 35 of the U2 chip is connected to the SPI MISO port, pin 36 of the U2 chip is connected to the SPI MOSI port, pin 37 of the U2 chip is connected to the FLASH CS port, pin 38 of the U2 chip is connected to the WP port, pin 39 of the U2 chip is connected to the BL COG port, pin 40 of the U2 chip is connected to the CS COG port, pin 41 of the U2 chip is connected to the RES COG port, and pin 42 of the U2 chip is connected to the A0 The U2 chip is connected to the COG port, the U2 chip No. 43 pin is connected to the SCL port, the U2 chip No. 44 pin is connected to the SDA port, the U2 chip No. 45 pin is connected to the SET port, the U2 chip No. 46 pin is connected to the SWDIO port, the U2 chip No. 47 pin is grounded, the U2 chip No. 48 pin is connected to the VCC-3.3V port, the U2 chip No. 49 pin is connected to the SWCLK port, the U2 chip No. 51 pin is connected to one end of the resistor R30 in series with the P5 socket No. 3 pin, the U2 chip No. 52 pin is connected to one end of the resistor R29 in series with the P5 socket No. 2 pin, the P5 socket No. 1 pin is grounded, the other end of the resistor R29 and the other end of the resistor R30 are connected in series with the VCC-3.3V port, the U2 chip No. 53 pin is connected to the KEY The U2 chip is connected to the FZ port, the U2 chip pin 54 is connected to the BACK port, the U2 chip pin 55 is connected to the DOWN port, the U2 chip pin 56 is connected to the UP port, the U2 chip pin 57 is connected to the KEY HZ port, the U2 chip pin 58 is connected to the S2 INT port, the U2 chip pin 59 is connected to the S4 INT port, the U2 chip pin 60 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the VCC-3.3V port, the U2 chip pin 61 is connected to the 485RX port, the U2 chip pin 62 is connected to the 485TX port, the U2 chip pin 63 is grounded, and the U2 chip pin 64 is connected to the VCC-3.3V port.3V port; Pin 1 of the P6 socket is connected to the S41 port, Pin 2 of the P6 socket is connected to the S21 port, Pin 3 of the P6 socket is grounded, and Pin 4 of the P6 socket is connected to the N1 port; Pin 1 of the U3 chip is connected to the RS485 The RX2 port is connected, the No. 2 pin of the U3 chip is connected in series with the No. 3 pin and then connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, the base of the transistor Q2 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the No. 6 pin of the U1 chip, the No. 4 pin of the U3 chip is grounded, the No. 5 pin of the U3 chip is connected in series with one end of the capacitor C6 and one end of the resistor R14, one end of the resistor R14 is grounded, the No. 6 pin of the U3 chip is connected to one end of the resistor R10 and one end of the resistor R7, the No. 7 pin of the U3 chip is connected in series with the other end of the resistor R14 and then connected to one end of the resistor R11, the other end of the resistor R11 is connected to the No. 2 pin of the P12 socket, the No. 8 pin of the U3 chip is connected in series with the other end of the capacitor C6 and then connected to the 5V port, the other end of the capacitor C6 is connected to the other end of the resistor R10, and the other end of the resistor R7 is connected to the No. 1 pin of the P12 socket ; Pin 1 of the U1 chip is connected in series with one end of capacitor C7 and then connected to the VCC-3.3V port, the other end of the capacitor C7 is grounded, Pin 2 of the U1 chip is connected to the 485RX port, Pin 3 of the U1 chip is connected to the 485TX port, Pin 4 of the U1 chip is grounded, Pin 5 of the U1 chip is grounded, Pin 7 of the U1 chip is connected to one end of resistor R12, the other end of the resistor R12 is connected to the RS485RX2 port, Pin 8 of the U1 chip is connected in series with one end of capacitor C8 and then connected to the 5V port, the other end of the capacitor C8 is grounded; Pin 1 of the J10 socket is connected to the VCC-3.3V port, Pin 2 of the J10 socket is connected to the SWDIO port, Pin 3 of the J10 socket is grounded, and Pin 4 of the J10 socket is connected to the SWCLK port; Pin 1 of the U11 chip is connected to FLASH CS port, pin 2 of the U11 chip is connected to the SPI MISO port, pin 3 of the U11 chip is connected to the WP port, pin 4 of the U11 chip is grounded, pin 5 of the U11 chip is connected to the SPI MOSI port, pin 6 of the U11 chip is connected to the SPI SCK port, pins 7 and 8 of the U11 chip are connected in series and connected to one end of capacitor C34, and one end of capacitor C34 is connected to VCC-3.3V port, the other end of the capacitor C34 is grounded; Pin 1 of the P9 socket is connected to the U2 TX port, Pin 2 of the P9 socket is connected to the U2 RX port, Pin 3 of the P9 socket is connected to the GND port, and Pin 4 of the P9 socket is connected to the 12V port; Pin 1 and Pin 2 of the P10 socket are connected in series to the VCC-3.3V port, Pin 3 of the P10 socket is grounded, Pin 4 of the P10 socket is connected to the SET port, Pin 5 of the P10 socket is connected to the SDA port, Pin 6 of the P10 socket is connected to the SCL port, Pin 7 of the P10 socket is connected to the A0 COG port, Pin 8 of the P10 socket is connected to the RESCOG port, and Pin 9 of the P10 socket is connected to the CS The P10 socket is connected to the BLCOG port, the P11 socket is connected to the 5V port, the P11 socket is connected to the ground, the P11 socket is connected to the MOTB port, the P11 socket is connected to the MOTA port, the P11 socket is connected to the M- port, the P11 socket is connected to the M+ port, the P11 socket is connected to the VCC-3.3V port, the P11 socket is connected to the GND port, the P11 socket is connected to the 24V port, and the P11 socket is connected to the GND port; the J1 socket is connected to the KEY HZ port, the J1 socket is connected to the UP port, the J1 socket is connected to the DOWN port, the J1 socket is connected to the BACK port, and the J1 socket is connected to the KEY HZ port. The FZ port is connected, the No. 6 pin of the J1 socket is connected to the LED G port, the No. 7 pin of the J1 socket is connected to the LED Y port, and the No. 8 pin of the J1 socket is connected to the LED R port; the No. 1 pin of the P7 socket is connected to the M- port, the No. 2 pin of the P7 socket is connected to the M+ port, the No. 3 pin of the P7 socket is grounded, the No. 4 pin of the P7 socket is connected to one end of the resistor R24, and the other end of the resistor R24 ​​is connected to the SZ port, the No. 5 pin of the P7 socket is connected to one end of the resistor R25, and the other end of the resistor R25 is connected to the SD / ZD port, the No. 6 pin of the P7 socket is connected to one end of the resistor R26, and the other end of the resistor R26 is connected to the HZ port, the No. 7 pin of the P7 socket is connected to one end of the resistor R27, and the other end of the resistor R27 is connected to the FZ port. The collected voltage and the signal provided by the signal summary board are analyzed and processed by the chip, and the control system issues instructions to work after judgment. .

[0024] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A method for connecting primary and secondary circuits of a low voltage circuit breaker, characterized in that: The method comprises the following steps: Step S1, connecting the primary conducting part and the secondary control part of the circuit breaker via a terminal block; Step S2, connecting the power supply to the adapter board through the socket on the circuit breaker, and then realizing the conduction of the internal circuit of the circuit breaker through the adapter board; Step S3, the main controller in the circuit breaker is used to receive the signal and feedback of the primary conduction part, so as to realize the connection relationship between the primary conduction part and the secondary control part of the circuit breaker; The circuit of the primary conduction part includes a U4 chip, a P2 socket, a P3 socket, a P1 socket and a P4 socket. Pin 1 of the U4 chip is connected to one end of a resistor R19, and the other end of the resistor R19 is connected to an HP RXD port. Pin 2 of the U4 chip is connected in series with pin 3 of the U4 chip and then connected to the collector of a transistor Q1. The emitter of the transistor Q1 is grounded. The base of the transistor Q1 is connected to one end of a resistor R22, and the other end of the resistor R22 is connected to an HP TXD port. Pin 4 of the U4 chip is grounded. Pin 5 of the U4 chip is connected in series with one end of a capacitor C10 and then grounded. The other end of the capacitor C10 is connected in series with pin 8 of the U4 chip and then connected to VCC. The U4 chip is connected to the M port, the U4 chip pin 6 is connected to one end of the resistor R14, the other end of the resistor R14 is connected to the A port, the U4 chip pin 7 is connected to one end of the resistor R21, the other end of the resistor R21 is connected to the B port; the P2 socket pin 3 and the P2 socket pin 5 are connected in series and then grounded, the P2 socket pin 7 is connected to the HP The RXD port is connected, pin 11 of the P2 socket is grounded, pin 12 of the P2 socket is connected to one end of a resistor R20, the other end of the resistor R20 is grounded, pin 6 of the P2 socket is connected to the HPTXD port, pin 4 of the P2 socket is grounded, pin 1 of the P2 socket and pin 2 of the P2 socket are connected in series and connected to the 12V port; pin 1 and pin 2 of the P3 socket are connected in series and connected to the N port, and pin 7 and pin 8 of the P3 socket are connected in series and connected to the L port; pin 1 of the P1 socket is connected to the A port, pin 2 of the P1 socket is connected to the B port, and pin 6 of the P1 socket is connected to the N port; pin 1 of the P4 socket is connected to the B port, pin 3 of the P4 socket is connected to the A port, pin 5 of the P4 socket is connected to the N port, and pin 7 of the P4 socket is connected to the L port; The circuit of the secondary control part includes U2 chip, U3 chip, U1 chip, P5 socket, P6 socket, J10 socket, U11 chip, P7 socket, P9 socket, P10 socket, P11 socket and J1 socket, pin 2 of the U2 chip is connected to the SD / ZD port, pin 3 of the U2 chip is connected to the HZ port, pin 4 of the U2 chip is connected to the FZ port, pin 5 of the U2 chip is connected to one end of the resistor R72 via the OSC IN lead, the resistor R72 is arranged in parallel with the crystal oscillator Y1, one end of the crystal oscillator Y1 is connected to one end of the capacitor C41, the other end of the crystal oscillator Y1 is connected to one end of the capacitor C46, ​​the other end of the capacitor C41 and the other end of the capacitor C46 are both grounded, and pin 6 of the U2 chip is connected to the OSC IN lead. The OUT lead is connected to the other end of the resistor R72, the No. 7 pin of the U2 chip is connected in series with one end of the capacitor C48 through the RESET lead and then connected to one end of the resistor R74, the other end of the resistor R74 is connected to the VCC-3.3V port, the other end of the capacitor C48 is grounded, the No. 8 pin of the U2 chip is connected to the SZ port, the No. 9 pin of the U2 chip is connected to the N DIE port, pin 10 of the U2 chip is connected to the SYKG port, pin 11 of the U2 chip is connected to the FK port, pin 12 of the U2 chip is connected in series with one end of the capacitor C51 and then grounded, pin 13 of the U2 chip is connected in series with the other end of the capacitor C51 and then connected to one end of the live wire L9, the other end of the live wire L9 is connected to the VCC-3.3V port, the other end of the capacitor C51 is connected to the VDDA-3.3V port, pin 18 of the U2 chip is grounded, pin 19 of the U2 chip is connected to the VCC-3.3V port, pin 20 of the U2 chip is connected to the MOTA port, pin 21 of the U2 chip is connected to the MOTB port, pin 22 of the U2 chip is connected to the LED G port, pin 23 of the U2 chip is connected to the LED Y port, pin 24 of the U2 chip is connected to the LED R port, and pin 25 of the U2 chip is connected to the U2 TX port, pin 26 of the U2 chip is connected to the U2 RX port, pin 30 of the U2 chip is connected to one end of capacitor C9, the other end of capacitor C9 is grounded, pin 31 of the U2 chip is grounded, and pin 32 of the U2 chip is connected to VCC-3.3V port; pin 33 of the U2 chip is connected to the / INT RT port, pin 34 of the U2 chip is connected to the SPI SCK port, pin 35 of the U2 chip is connected to the SPIMISO port, pin 36 of the U2 chip is connected to the SPIMOSI port, pin 37 of the U2 chip is connected to the FLASH CS port, pin 38 of the U2 chip is connected to the WP port, pin 39 of the U2 chip is connected to the BL COG port, pin 40 of the U2 chip is connected to the CS COG port, pin 41 of the U2 chip is connected to the RES COG port, and pin 42 of the U2 chip is connected to the A0 The U2 chip is connected to the COG port, the U2 chip No. 43 pin is connected to the SCL port, the U2 chip No. 44 pin is connected to the SDA port, the U2 chip No. 45 pin is connected to the SET port, the U2 chip No. 46 pin is connected to the SWDIO port, the U2 chip No. 47 pin is grounded, the U2 chip No. 48 pin is connected to the VCC-3.3V port, the U2 chip No. 49 pin is connected to the SWCLK port, the U2 chip No. 51 pin is connected to one end of the resistor R30 in series with the P5 socket No. 3 pin, the U2 chip No. 52 pin is connected to one end of the resistor R29 in series with the P5 socket No. 2 pin, the P5 socket No. 1 pin is grounded, the other end of the resistor R29 and the other end of the resistor R30 are connected in series with the VCC-3.3V port, the U2 chip No. 53 pin is connected to the KEY The U2 chip is connected to the FZ port, the U2 chip pin 54 is connected to the BACK port, the U2 chip pin 55 is connected to the DOWN port, the U2 chip pin 56 is connected to the UP port, the U2 chip pin 57 is connected to the KEY HZ port, the U2 chip pin 58 is connected to the S2 INT port, the U2 chip pin 59 is connected to the S4 INT port, the U2 chip pin 60 is connected to one end of the resistor R28, the other end of the resistor R28 is connected to the VCC-3.3V port, the U2 chip pin 61 is connected to the 485RX port, the U2 chip pin 62 is connected to the 485TX port, the U2 chip pin 63 is grounded, and the U2 chip pin 64 is connected to the VCC-3.3V port.3V port; Pin 1 of the P6 socket is connected to the S41 port, Pin 2 of the P6 socket is connected to the S21 port, Pin 3 of the P6 socket is grounded, and Pin 4 of the P6 socket is connected to the N1 port; Pin 1 of the U3 chip is connected to the RS485 The RX2 port is connected, the No. 2 pin of the U3 chip is connected in series with the No. 3 pin and then connected to the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, the base of the transistor Q2 is connected to one end of the resistor R13, the other end of the resistor R13 is connected to the No. 6 pin of the U1 chip, the No. 4 pin of the U3 chip is grounded, the No. 5 pin of the U3 chip is connected in series with one end of the capacitor C6 and one end of the resistor R14, one end of the resistor R14 is grounded, the No. 6 pin of the U3 chip is connected to one end of the resistor R10 and one end of the resistor R7, the No. 7 pin of the U3 chip is connected in series with the other end of the resistor R14 and then connected to one end of the resistor R11, the other end of the resistor R11 is connected to the No. 2 pin of the P12 socket, the No. 8 pin of the U3 chip is connected in series with the other end of the capacitor C6 and then connected to the 5V port, the other end of the capacitor C6 is connected to the other end of the resistor R10, and the other end of the resistor R7 is connected to the No. 1 pin of the P12 socket ; Pin 1 of the U1 chip is connected in series with one end of capacitor C7 and then connected to the VCC-3.3V port, the other end of the capacitor C7 is grounded, Pin 2 of the U1 chip is connected to the 485RX port, Pin 3 of the U1 chip is connected to the 485TX port, Pin 4 of the U1 chip is grounded, Pin 5 of the U1 chip is grounded, Pin 7 of the U1 chip is connected to one end of resistor R12, the other end of the resistor R12 is connected to the RS485RX2 port, Pin 8 of the U1 chip is connected in series with one end of capacitor C8 and then connected to the 5V port, the other end of the capacitor C8 is grounded; Pin 1 of the J10 socket is connected to the VCC-3.3V port, Pin 2 of the J10 socket is connected to the SWDIO port, Pin 3 of the J10 socket is grounded, and Pin 4 of the J10 socket is connected to the SWCLK port; Pin 1 of the U11 chip is connected to FLASH CS port, pin 2 of the U11 chip is connected to the SPIMISO port, pin 3 of the U11 chip is connected to the WP port, pin 4 of the U11 chip is grounded, pin 5 of the U11 chip is connected to the SPI MOSI port, pin 6 of the U11 chip is connected to the SPI SCK port, pins 7 and 8 of the U11 chip are connected in series and connected to one end of capacitor C34, and one end of capacitor C34 is connected to VCC-3.3V port, the other end of the capacitor C34 is grounded; Pin 1 of the P9 socket is connected to the U2 TX port, Pin 2 of the P9 socket is connected to the U2 RX port, Pin 3 of the P9 socket is connected to the GND port, and Pin 4 of the P9 socket is connected to the 12V port; Pin 1 and Pin 2 of the P10 socket are connected in series to the VCC-3.3V port, Pin 3 of the P10 socket is grounded, Pin 4 of the P10 socket is connected to the SET port, Pin 5 of the P10 socket is connected to the SDA port, Pin 6 of the P10 socket is connected to the SCL port, Pin 7 of the P10 socket is connected to the A0 COG port, Pin 8 of the P10 socket is connected to the RES COG port, Pin 9 of the P10 socket is connected to the CS COG port, and Pin 10 of the P10 socket is connected to the BL The P11 socket is connected to the COG port; Pin 1 of the P11 socket is connected to the 5V port, Pin 2 of the P11 socket is grounded, Pin 3 of the P11 socket is connected to the MOTB port, Pin 4 of the P11 socket is connected to the MOTA port, Pin 5 of the P11 socket is connected to the M- port, Pin 6 of the P11 socket is connected to the M+ port, Pin 7 of the P11 socket is connected to the VCC-3.3V port, Pin 8 of the P11 socket is connected to the GND port, Pin 9 of the P11 socket is connected to the 24V port, and Pin 10 of the P11 socket is connected to the GND port; Pin 1 of the J1 socket is connected to the KEY HZ port, Pin 2 of the J1 socket is connected to the UP port, Pin 3 of the J1 socket is connected to the DOWN port, Pin 4 of the J1 socket is connected to the BACK port, Pin 5 of the J1 socket is connected to the KEY FZ port, and Pin 6 of the J1 socket is connected to the LED G port, pin 7 of the J1 socket is connected to the LEDY port, pin 8 of the J1 socket is connected to the LED R port; pin 1 of the P7 socket is connected to the M- port, pin 2 of the P7 socket is connected to the M+ port, pin 3 of the P7 socket is grounded, pin 4 of the P7 socket is connected to one end of resistor R24, the other end of resistor R24 ​​is connected to the SZ port, pin 5 of the P7 socket is connected to one end of resistor R25, the other end of resistor R25 is connected to the SD / ZD port, pin 6 of the P7 socket is connected to one end of resistor R26, the other end of resistor R26 is connected to the HZ port, pin 7 of the P7 socket is connected to one end of resistor R27, the other end of resistor R27 is connected to the FZ port. .

2. A method for connecting primary and secondary circuits of a low voltage circuit breaker according to claim 1, characterized in that: The circuit breaker includes a base, an adapter plate is provided on the base, a socket is provided on the adapter plate, a side plate is provided on the upper front end of the base, mounting holes are provided at both upper and lower ends of the right side of the base, a limit frame is provided in the base, a slider is provided in the base, and the slider is provided below the limit frame, an upper cover is provided on the rear side of the base, fixing holes for connecting the base with the upper cover are provided at both upper and lower ends of the left side of the base, and a handle is provided on the upper cover.

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