Band-type brake power panel circuit

Abstract

The utility model relates to the technical field of elevator control, in particular to a band-type brake power panel circuit, which comprises a power supply chip U1, a single chip microcomputer U2 and a relay RY1, a required motor control circuit can be obtained only by configuring the power supply chip, two chips of the single chip microcomputer, the relay and some conventional circuit components after being combined, the use requirement is met, the circuit structure is simple, and the cost is low. The use cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator control, and particularly relates to a brake power supply board circuit. Background Art

[0002] A brake power supply board, also known as a motor brake power supply board, is a motor control circuit board mainly used to drive and control motors in mechanical equipment. The brake power supply board can ensure the normal operation of the motor, and can achieve rapid braking and shutdown to ensure the safe and stable operation of the equipment. The existing power supply board circuit has a complex structure and high usage cost. Summary of the Invention

[0003] In order to solve the above technical problems, the utility model provides a brake power supply board circuit with a simple circuit structure and low usage cost.

[0004] Its technical solution is as follows: A brake power supply board circuit, characterized in that it includes a power supply chip U1, a single-chip microcomputer U2, and a relay RY1. The 9th pin of the single-chip microcomputer U2 is connected to one end of a capacitor C4, the cathode of a voltage regulator diode VD1, the cathode of a transient voltage suppressor diode TVS1, one end of a capacitor C3, one end of an inductor L2, one end of a resistor R3, and the 1st pin of the power supply chip U1. The 8th pin of the power supply chip U1 is connected to one end of a capacitor C2. The 5th and 6th pins of the power supply chip U1 are connected together and connected to the other end of the capacitor C2 and the other end of the inductor L2. The 2nd pin of the power supply chip U1 is connected to one end of a capacitor C1, one end of a capacitor C5, one end of a capacitor C6, one end of a varistor Y2, the anode of a diode D1, the cathode of a diode D2, the emitter of a triode Q1, the other end of the resistor R3, the other end of the resistor C3, and the anode of the transient voltage suppressor diode TVS1. The base of the triode Q1 is connected to the 3rd pin of the single-chip microcomputer U2 through a resistor R1. The collector of the triode Q1 is connected to the anode of the voltage regulator diode VD1 and the 1st pin of the relay RY1. The 4th pin of the relay RY1 is connected to the anode of a diode D4 and one end of a varistor Y1. The other end of the varistor Y1 is connected to the cathode of a diode D3 and the cathode of the diode D1. The 3rd pin of the relay RY1 is connected to the anode of the diode D2. The anode of the diode D3 and the cathode of the diode D4 are connected together and connected to one end of a fuse F2, one end of a capacitor C7, one end of a fuse F1, and the other end of the varistor Y2. The other end of the fuse F2 is connected to one end of a resistor R2. The other end of the resistor R2 is connected to the anode of a diode D5. The cathode of the diode D5 is connected to the anode of a diode D6. The cathode of the diode D6 is connected to one end of an inductor L1 and the other end of the capacitor C1. The other end of the inductor L1 is connected to the other end of the capacitor C5 and the 4th pin of the power supply chip U1. The other end of the capacitor C4 is connected to one end of a capacitor C8. The other end of the capacitor C8 is connected to one end of a resistor R4 and one end of a resistor R5. The other end of the resistor R5 inputs VDD. The other end of the resistor R4 is connected to the 4th pin of the single-chip microcomputer U2. Both ends of the varistor Y2 are connected to the AC input power supply terminal of the power input and output interface P1. Both ends of the varistor Y1 are connected to the DC output terminal of the power input and output interface P1

[0005] It is further characterized in that the 20th and 19th pins of the single-chip microcomputer U2 are respectively connected to one end of short interfaces J1 and J2. The other ends of the short interfaces J1 and J2 are connected together and connected to the program flashing interface. The 4th, 8th, and 18th pins of the single-chip microcomputer U2 are all connected to the program flashing interface.

[0006] After adopting the present utility model, only two chips, namely a power supply chip and a single-chip microcomputer, and a relay and some conventional circuit components need to be configured, and the required motor control circuit can be obtained through the combination of interfaces, meeting the usage requirements. The circuit structure is simple and the usage cost is low. Brief Description of the Drawings

[0007] Figure 1 It is the circuit schematic diagram of the present utility model. Detailed Embodiment

[0008] See Figure 1As shown in the figure, a brake power supply board circuit includes a power supply chip U1, a single-chip microcomputer U2, and a relay RY1. The model of the power supply chip U1 is AP8505, the model of the single-chip microcomputer U2 is N76E003, and the model of the relay RY1 is JQC-3FF / 005-1ZS. The 9th pin of the single-chip microcomputer U2 is connected to one end of the capacitor C4, the cathode of the voltage regulator diode VD1, the cathode of the transient voltage suppression diode TVS1, one end of the capacitor C3, one end of the inductor L2, one end of the resistor R3, and the 1st pin of the power supply chip U1. The 8th pin of the power supply chip U1 is connected to one end of the capacitor C2. The 5th and 6th pins of the power supply chip U1 are connected together and connected to the other end of the capacitor C2 and the other end of the inductor L2. The 2nd pin of the power supply chip U1 is connected to one end of the capacitor C1, one end of the capacitor C5, one end of the capacitor C6, one end of the varistor Y2, the anode of the diode D1, the cathode of the diode D2, the emitter of the triode Q1, the other end of the resistor R3, the other end of the resistor C3, and the anode of the transient voltage suppression diode TVS1. The base of the triode Q1 is connected to the 3rd pin of the single-chip microcomputer U2 through the resistor R1. The collector of the triode Q1 is connected to the anode of the voltage regulator diode VD1 and the 1st pin of the relay RY1. The 4th pin of the relay RY1 is connected to the anode of the diode D4 and one end of the varistor Y1. The other end of the varistor Y1 is connected to the cathode of the diode D3 and the cathode of the diode D1. The 3rd pin of the relay RY1 is connected to the anode of the diode D2. The anode of the diode D3 and the cathode of the diode D4 are connected together and connected to one end of the fuse F2, one end of the capacitor C7, one end of the fuse F1, and the other end of the varistor Y2. The other ends of the capacitor C6 and the capacitor C7 are grounded. The other end of the fuse F2 is connected to one end of the resistor R2. The other end of the resistor R2 is connected to the anode of the diode D5. The cathode of the diode D5 is connected to the anode of the diode D6. The cathode of the diode D6 is connected to one end of the inductor L1 and the other end of the capacitor C1. The other end of the inductor L1 is connected to the other end of the capacitor C5 and the 4th pin of the power supply chip U1. The other end of the capacitor C4 is connected to one end of the capacitor C8. The other end of the capacitor C8 is connected to one end of the resistor R4 and one end of the resistor R5. The other end of the resistor R5 inputs VDD. The other end of the resistor R4 is connected to the 4th pin of the single-chip microcomputer U2; both ends of the varistor Y2 are connected to the AC input power terminal of the power supply input and output interface P1, which are respectively L: AC input power live wire, N: AC input power neutral wire. Both ends of the varistor Y1 are connected to the DC output terminal of the power supply input and output interface P1, which are respectively V+: DC output positive pole, V-: DC output negative pole; The AC input power terminal can input 110V alternating current, and the DC output terminal can output 50V direct current.

[0009] The 20th and 19th pins of the single-chip microcomputer U2 are respectively connected to one end of the short interfaces J1 and J2. The other ends of the short interfaces J1 and J2 are connected to each other and connected to the program flashing interface J3. The short interface J1 realizes the output voltage switching. When it is short-circuited, it is in the non-switching state. When it is not short-circuited, it switches after a few seconds of delay. The short interface J2 is a spare port. The 4th, 8th, and 18th pins of the single-chip microcomputer U2 are all connected to the program flashing interface J3.

Claims

1. A brake power supply board circuit, characterized in that, It includes a power supply chip U1, a single-chip microcomputer U2, and a relay RY1. The 9th pin of the single-chip microcomputer U2 is connected to one end of a capacitor C4, the cathode of a voltage stabilizing diode VD1, the cathode of a transient voltage suppressor diode TVS1, one end of a capacitor C3, one end of an inductor L2, one end of a resistor R3, and the 1st pin of the power supply chip U1. The 8th pin of the power supply chip U1 is connected to one end of a capacitor C2. The 5th and 6th pins of the power supply chip U1 are connected together and connected to the other end of the capacitor C2 and the other end of the inductor L2. The 2nd pin of the power supply chip U1 is connected to one end of a capacitor C1, one end of a capacitor C5, one end of a capacitor C6, one end of a varistor Y2, the anode of a diode D1, the cathode of a diode D2, the emitter of a triode Q1, the other end of the resistor R3, the other end of the capacitor C3, and the anode of the transient voltage suppressor diode TVS1. The base of the triode Q1 is connected to the 3rd pin of the single-chip microcomputer U2 through a resistor R1. The collector of the triode Q1 is connected to the anode of the voltage stabilizing diode VD1 and the 1st pin of the relay RY1. The 4th pin of the relay RY1 is connected to the anode of a diode D4 and one end of a varistor Y1. The other end of the varistor Y1 is connected to the cathode of a diode D3 and the cathode of the diode D1. The 3rd pin of the relay RY1 is connected to the anode of the diode D2. The anode of the diode D3 and the cathode of the diode D4 are connected together and connected to one end of a fuse F2, one end of a capacitor C7, one end of a fuse F1, and the other end of the varistor Y2. The other end of the fuse F2 is connected to one end of a resistor R2. The other end of the resistor R2 is connected to the anode of a diode D5. The cathode of the diode D5 is connected to the anode of a diode D6. The cathode of the diode D6 is connected to one end of an inductor L1 and the other end of the capacitor C1. The other end of the inductor L1 is connected to the other end of the capacitor C5 and the 4th pin of the power supply chip U1. The other end of the capacitor C4 is connected to one end of a capacitor C8. The other end of the capacitor C8 is connected to one end of a resistor R4 and one end of a resistor R5. The other end of the resistor R5 inputs VDD. The other end of the resistor R4 is connected to the 4th pin of the single-chip microcomputer U2. The two ends of the varistor Y2 are connected to the AC input power supply terminal of a power input / output interface P1. The two ends of the varistor Y1 are connected to the DC output terminal of the power input / output interface P1.

2. The brake power supply board circuit according to claim 1, wherein The 20th and 19th pins of the single-chip microcomputer U2 are respectively connected to one end of short interfaces J1 and J2. The other ends of the short interfaces J1 and J2 are connected together and connected to a program flashing interface. The 4th, 8th, and 18th pins of the single-chip microcomputer U2 are all connected to the program flashing interface.

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