CN110703641B

CN110703641B - Integrated controller of stranding machine

Info

Publication number: CN110703641B
Application number: CN201910874309.6A
Authority: CN
Inventors: 王涛
Original assignee: Suzhou Anchi Control System Co ltd
Current assignee: Suzhou Anchi Control System Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2021-04-06
Anticipated expiration: 2039-09-17
Also published as: CN110703641A

Abstract

The application discloses an integrated controller of a stranding machine, which at least comprises a drawing and winding controller and a wire arrangement controller, wherein the drawing and winding controller is connected with a power grid and comprises a drawing and winding control circuit, a winding control chip and a drawing and winding control chip, the winding control chip is connected with the drawing and winding control circuit, and the winding control chip is used for controlling the drawing and winding control circuit to enable a winding motor connected with the drawing and winding control circuit to operate; the drawing control chip is used for controlling the drawing and winding control circuit to enable a drawing motor connected with the drawing and winding control circuit to operate; the winding displacement controller is connected with the drawing and winding controller and comprises a winding displacement control chip and a winding displacement control circuit which are mutually connected, wherein the winding displacement control chip is used for controlling the winding displacement control circuit, so that a winding displacement motor connected with the winding displacement control circuit operates. Through the mode, the control of drawing and the control of rolling can be integrated to this application, improve the integrated level, reduce volume and cost.

Description

Integrated controller of stranding machine

Technical Field

The application relates to the technical field of integrated control, in particular to an integrated controller of a stranding machine.

Background

The stranding machine is a stranding mechanical device which can be widely applied to various soft/hard conductor wires, so that a plurality of single conductors are twisted into one strand to meet the process requirements of wires; the stranding machine can be generally classified into a single stranding machine, a pair stranding machine, a high-speed stranding machine, a back stranding machine, a cage stranding machine, a frame stranding machine, a tube stranding machine, a disc stranding machine, and the like according to a stranding method.

In the prior art, the extraction adopts a mechanical pitch changing mode of changing the pitch by replacing an extraction disc, the mode needs to be provided with the extraction discs with various specifications and only has a plurality of fixed pitches, the extraction disc needs to be replaced by stopping when the pitch is changed, the operation is complex, and the working efficiency is influenced; the flat cable is usually mechanical, and when the row pitch is changed, a machine needs to be stopped to adjust a mechanical structure, and the operation is complex as the drawing, so that the working efficiency is influenced; the magnetic powder clutch brake is adopted for winding, but the magnetic powder clutch brake is expensive, occupies a large cost of the whole stranding machine, belongs to a quick-wear part, and is difficult to operate and high in maintenance cost. In addition, in the prior art, a main motor, an internal brake, an external brake, a lifting disc control, a fan control, an internal winding displacement, a drawing and a winding are respectively controlled by a Programmable Logic Controller (PLC), a plurality of frequency converters and a switching power supply, and the integration level is relatively low.

Disclosure of Invention

The problem that this application mainly solved provides an integrated control ware of stranding machine, can integrate the control of drawing the control of getting and the control of rolling, improves the integrated level, reduces volume and cost.

In order to solve the technical problem, the technical scheme adopted by the application is as follows: an integrated controller of a wire twisting machine is provided, the integrated controller of the wire twisting machine at least comprising: the drawing and winding controller is connected with the wire arrangement controller, the drawing and winding controller is connected with a power grid and comprises a drawing and winding control circuit, a winding control chip and a drawing control chip, the winding control chip is connected with the drawing and winding control circuit, and the winding control chip is used for controlling the drawing and winding control circuit so that a winding motor connected with the drawing and winding control circuit operates; the drawing control chip is used for controlling the drawing and winding control circuit to enable a drawing motor connected with the drawing and winding control circuit to operate; the winding displacement controller is connected with the drawing and winding controller and comprises a winding displacement control chip and a winding displacement control circuit which are mutually connected, wherein the winding displacement control chip is used for controlling the winding displacement control circuit, so that a winding displacement motor connected with the winding displacement control circuit operates.

Through the scheme, the beneficial effects of the application are that: the integrated controller of the stranding machine comprises a drawing and taking winding controller and a winding displacement controller, wherein the drawing and taking winding controller can control a drawing and taking motor and a winding motor to normally operate, the winding displacement motor can control the winding displacement controller to normally work, the drawing and taking winding controller integrates the drawing and taking control and the winding control, the integrated controller comprises a drawing and taking control chip, a winding control chip and a drawing and taking winding control circuit, the drawing and taking control chip and the winding control chip respectively control the drawing and taking motor and the winding motor by controlling the drawing and taking winding control circuit, and the winding controller integrates the winding circuit and the drawing circuit, so that the integration level is improved, the size of a circuit board can be reduced, and the production cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic diagram of an embodiment of an integrated controller for a wire twisting machine provided herein;

fig. 2 is a schematic structural diagram of a drawing control chip and a winding control chip provided in the present application;

FIG. 3 is a schematic diagram of a bus control chip provided in the present application;

FIG. 4 is a schematic diagram of another embodiment of an integrated controller for a wire twisting machine provided herein;

FIG. 5 is a schematic structural diagram of a pickup winding control circuit in the embodiment shown in FIG. 4;

FIG. 6 is a schematic diagram of the power conversion circuit of the embodiment shown in FIG. 4;

FIG. 7 is a schematic diagram of the flat cable control circuit shown in FIG. 4;

fig. 8 is a schematic structural diagram of an integrated controller, a take-up motor, and a traverse motor of the wire twisting machine in the embodiment shown in fig. 4.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an integrated controller of a wire twisting machine provided in the present application, where the integrated controller 10 of the wire twisting machine at least includes: a take-up controller 11 and a winding displacement controller 12.

The drawing and taking winding controller 11 is connected with the power grid 20, and the drawing and taking winding controller 11 comprises a drawing and taking winding control circuit 111, and a drawing and taking control chip 112 and a winding control chip 113 which are connected with the drawing and taking winding control circuit 111; the drawing and winding controller 11 integrates drawing control and winding control, and synthesizes a drawing and winding control circuit 111.

The power grid 20 has a plurality of output lines, specifically, the power grid 20 has a zero line N, a phase line (live line) R of a first phase, a phase line S of a second phase, and a phase line T of a third phase; the input end of the pick-up winding control circuit 111 is connected to the phase line T and the zero line N of the third phase of the power grid 20.

The drawing control chip 112 is used for controlling the drawing and winding control circuit 111 so that the drawing motor 30 connected with the drawing and winding control circuit 111 operates; the winding control chip 113 is used for controlling the leading and taking winding control circuit 111, so that the winding motor 40 connected with the leading and taking winding control circuit 111 operates; the output end of the drawing and winding control circuit 111 is connected with the input end of the drawing motor 30 and the input end of the winding motor 40 respectively, and the drawing and winding control circuit 111 can provide electric signals for the drawing motor 30 and the winding motor 40 to enable the drawing motor 30 and the winding motor 40 to operate normally.

The winding displacement controller 12 is connected with the drawing and winding controller 11; the flat cable controller 12 includes a flat cable control circuit 121 and a flat cable control chip 122 connected to each other, the flat cable control chip 122 is used for controlling the flat cable control circuit 121, so that the flat cable motor 50 connected to the flat cable control circuit 121 operates, the output terminal of the flat cable control circuit 121 is connected to the input terminal of the flat cable motor 50, the flat cable control circuit 121 can provide an electrical signal for the flat cable motor 50, so that the flat cable motor 50 operates normally, and the flat cable motor 50 can be a stepping motor.

The drawing control chip 112, the winding control chip 113, and the bus control chip 122 may be digital signal processors, for example, a chip TMS320F28034, where the chip TMS320F28034 has an IO (Input/Output) interface and a CAN interface (Controller Area Network), the drawing control chip 112 and the winding control chip 113 may be as shown in fig. 2, the bus control chip 122 may be as shown in fig. 3, a reset circuit, a crystal oscillator, and a memory (not shown) are respectively connected to the chip TMS320F28034, the reset circuit and the crystal oscillator are respectively used to reset the chip TMS320F28034 and provide an oscillation signal, the memory may be used to store data sent by the chip TMS320F28034, and the memory may be an errm (Electrically Erasable Programmable read only memory); the bus control chip 122 can communicate with other devices through the ZigBee network; the pick-up control chip 112, the winding control chip 113 and the bus control chip 122 CAN communicate with each other through a CAN bus.

The embodiment provides an integrated controller 10 of a wire twisting machine, the integrated controller 10 of the wire twisting machine comprises a drawing and winding controller 11 for controlling the normal operation of a drawing motor 30 and a winding motor 40 and a wire arranging controller 12 for controlling the normal operation of a wire arranging motor 50, the drawing and winding controller 11 integrates the drawing control and the winding control, and comprises a drawing and winding control circuit 111, a drawing and winding control chip 112 and a winding control chip 113, the drawing and winding control chip 112 and the winding control chip 113 respectively control the drawing motor 30 and the winding motor 40 by controlling the drawing and winding control circuit 111, and as the winding circuit and the drawing circuit are integrated, the integration level is improved, the volume of the circuit board can be reduced, and the production cost is reduced.

Referring to fig. 4 to 8, fig. 4 is a schematic structural diagram of another embodiment of an integrated controller of a wire twisting machine provided in the present application, where the integrated controller 10 of the wire twisting machine at least includes: a drawing and winding controller 11, a flat cable controller 12 and a power conversion circuit 13.

The drawing control chip 112 is used for adjusting the pitch on line after receiving the first adjusting instruction; specifically, after receiving the instruction for adjusting the pitch input by the user, the picking control chip 112 can control the picking motor 30 to realize stepless speed regulation, realize on-line automatic pitch adjustment without shutdown, avoid manual replacement of the picking disc (not shown in the figure), and achieve high control precision.

The drawing and winding control circuit 111 is configured to receive a first power signal output by the power grid 20, process the first power signal, and output a first ac signal and a second ac signal to the drawing motor 30 and the winding motor 40, respectively, where the winding motor 40 may be an asynchronous motor.

Further, the pickup winding control circuit 111 includes: the inverter includes a first rectifier circuit 1111, a filter circuit 1112, a first inverter circuit 1113, and a second inverter circuit 1114.

The first rectifying circuit 1111 is configured to rectify a first power signal and output a first direct current signal; specifically, referring to fig. 4 and 5 in combination, the input end of the first rectification circuit 1111 is connected to the phase line T and the neutral line N of the third phase of the power grid 20, respectively, and the first rectification circuit 1111 may be a rectification bridge composed of four diodes D1-D4.

The filter circuit 1112 is connected to the first rectifier circuit 1111 and configured to filter the first dc signal; specifically, as shown in fig. 5, the filter circuit 1112 may be a resistance-capacitance filter network composed of a resistor R1, a resistor R2, a capacitor C2, and a switch S, so as to filter an ac signal in the first dc signal output by the first rectification circuit 1111 and reduce signal interference.

The first inverter circuit 1113 is connected to the filter circuit 1112, and is configured to invert the filtered first dc signal to generate a first ac signal; specifically, referring to fig. 4 and 5, the input end of the first inverter circuit 1113 is connected to the output end of the filter circuit 1112, and the three output ends of the first inverter circuit 1113 are respectively connected to the three input ends of the extracting motor 30.

The second inverter circuit 1114 is connected to the filter circuit 1112, and is configured to invert the filtered first dc signal to generate a second ac signal; specifically, referring to fig. 4 and fig. 5, the input end of the second inverter circuit 1114 is connected to the output end of the filter circuit 1112, and the three output ends of the second inverter circuit 1114 are respectively connected to the three input ends of the winding motor 40.

Referring to FIG. 5, the first inverter circuit 1113 includes a plurality of transistors T1-T6 and a plurality of diodes D5-D10, and the second inverter circuit 1114 includes a plurality of transistors T7-T12 and a plurality of diodes D11-D16; the transistors T1-T12 may be IGBT transistors (Insulated Gate Bipolar transistors), and the diodes D5-D16 may protect the transistors T1-T12 from breakdown when there is an abrupt change in current or voltage in the circuit.

The control end of the transistor T1-T6 in the first inverter circuit 1113 is connected to the output end of the drawing control chip 112, and is configured to receive the control signal output by the drawing control chip 112; specifically, the control terminal is a gate of an IGBT, when the control chip 112 is pulled to output a high level, the voltage between the gate and the emitter of the transistors T1-T6 is greater than the self-turn-on voltage, the transistors T1-T6 are turned on, and the diodes D5-D10 are in a non-conductive state; when the pull-up control chip 112 outputs a low level, the voltage between the gate and the emitter of the transistors T1-T6 is less than the self-turn-on voltage, and the transistors T1-T6 are in the off state.

The control end of the transistor T7-T12 in the second inverter circuit 1114 is connected to the output end of the winding control chip 113, and is configured to receive a control signal output by the winding control chip 113 in the winding controller 11; specifically, when the winding control chip 113 outputs a high level, the transistors T7-T12 are turned on, and the diodes D11-D16 are in a non-conductive state; when the winding control chip 113 outputs a low level, the transistors T7-T12 are in an off state.

The power conversion circuit 13 is connected to the power grid 20 and the flat cable controller 12, and is configured to receive a second power signal output by the power grid 20, process the second power signal, and generate a second direct current signal; specifically, the voltage of the second dc signal may be 48V, and the input terminal of the power conversion circuit 13 is connected to the phase line R of the first phase, the phase line S of the second phase, and the phase line T of the third phase of the power grid 20.

Further, the power conversion circuit 13 includes: a second rectifying circuit 131 and a switching power supply 132.

The second rectifying circuit 131 is connected to the power grid 20, and is configured to receive the second power signal and rectify the second power signal into a third direct current signal; with reference to fig. 4 and 6, the second rectification circuit 131 may be a rectification bridge formed by diodes D17-D22, the anode of the diode D17 and the cathode of the diode D18 are both connected to the phase line R of the first phase of the power grid 20, the anode of the diode D19 and the cathode of the diode D20 are both connected to the phase line S of the second phase of the power grid 20, and the anode of the diode D21 and the cathode of the diode D22 are both connected to the phase line T of the third phase of the power grid 20.

The switching power supply 132 is connected to the second rectifying circuit 131, and is configured to receive the third dc signal, and step down the third dc signal to generate a second dc signal.

In other embodiments, a switch (not shown) may be further disposed between the power grid 20 and the power conversion circuit 13, and the switch may be an air switch, and the phase line R of the first phase, the phase line S of the second phase, and the phase line T of the third phase are respectively connected to three input terminals of the second rectification circuit 131 through the air switch.

With continued reference to fig. 4, the bus line control circuit 121 includes: a flat cable driving circuit 1211, a first voltage-reducing circuit 1212, and a second voltage-reducing circuit 1213.

The cable driving circuit 1211 is connected to the switching power supply 132, and is configured to receive the second dc signal and drive the cable motor 50 to operate; specifically, as shown in fig. 7, the flat cable driving circuit 1211 includes transistors T13-T20 and diodes D23-D30, the transistors T13-T20 may be IGBT transistors, and a gate of each IGBT transistor is connected to an output terminal of the flat cable control chip 122.

The first voltage-reducing circuit 1212 is connected to the switching power supply 132, and is configured to reduce the voltage of the second dc signal to generate a fourth dc signal, so as to drive the internal brake device 60; specifically, the first voltage-reducing circuit 1212 may be connected to the internal brake device 60 through an internal brake interface (not shown) in the cable controller 12.

In other embodiments, when the electronic roll is not used, the second voltage-reducing circuit 1213 is connected to the switching power supply 132, and is configured to reduce the voltage of the second dc signal to generate a fifth dc signal to drive the magnetic particle brake 70; specifically, the second voltage reducing circuit 1213 may be connected to the magnetic particle brake 70 via a magnetic particle brake interface (not shown) in the flex cable controller 12.

Further, the flat cable control chip 122 is respectively connected to the flat cable driving circuit 1211, the first voltage-dropping circuit 1212, and the second voltage-dropping circuit 1213, and the flat cable control chip 122 is configured to control the flat cable driving circuit 1211, the first voltage-dropping circuit 1212, and the second voltage-dropping circuit 1213, and adjust the row pitch on line after receiving the second adjustment instruction; specifically, the wire arranging control chip 122 automatically adjusts the wire arranging distance after receiving the instruction of adjusting the wire arranging distance input by the user, and does not need to stop to adjust the mechanical structure.

In a specific embodiment, as shown in fig. 7, the first voltage-reducing circuit 1212 and the second voltage-reducing circuit 1213 are BUCK circuits (voltage-increasing voltage-reducing circuits), and the voltage-increasing voltage-reducing circuits can be used as control circuits of the external internal brake device 60 and the external magnetic powder controller 70; the boost voltage reduction circuit comprises a transistor T, a control end of the transistor T is connected with the bus control chip 122, and the control end of the transistor T is used for receiving a control signal output by the bus control chip 122; when the transistor T is conducted, the input voltage of the boost voltage reduction circuit is equal to the output voltage of the boost voltage reduction circuit; when the transistor T is not turned on, the input voltage of the step-up/step-down circuit is less than the output voltage of the step-up/step-down circuit.

With reference to fig. 7, the step-up voltage-reducing circuit further includes a diode D, an inductor L, a resistor R, and a capacitor C, wherein a first end of the diode D is connected to the switching power supply 132, a second end of the diode D is connected to a first end of the transistor T, and a first end and a second end of the capacitor C are respectively a negative electrode and a positive electrode; the second end of the transistor T is connected to the switching power supply 132, and the control end, the first end and the second end of the transistor T are respectively a gate, a collector and an emitter; the first end of the inductor L is connected with the second end of the capacitor C, the second end of the inductor L is connected with the first end of the resistor R and the first end of the capacitor C, and the second end of the resistor R and the second end of the capacitor C are both connected with the first end of the diode D.

Referring to fig. 4 and 8, the integrated controller 10 of the wire twisting machine may output control signals to the drawing motor 30, the winding motor 40, and the wire arranging motor 50, respectively; after receiving a first adjustment instruction input by a user, the picking control chip 112 outputs a control signal to the picking motor 30 to change the rotation speed of the picking motor 30, so as to realize automatic adjustment of the pitch; the drawing control chip 112, the first encoder (not shown) and the drawing motor 30 form a closed loop, the first encoder can measure the speed of the drawing motor 30 and feed the speed of the drawing motor 30 back to the drawing control chip 112, and the drawing control chip 112 outputs a signal to control the speed of the drawing motor 30 according to the speed fed back by the first encoder, so that the speed of the drawing motor 30 is adjusted in a closed loop.

Similarly, the traverse control chip 122, a second encoder (not shown) and the traverse motor 50 form a closed loop, the second encoder can measure the speed of the traverse motor 50 and feed the speed of the traverse motor 50 back to the traverse control chip 122, and the traverse control chip 122 outputs a signal to control the speed of the traverse motor 50 according to the speed fed back by the second encoder, thereby realizing the closed-loop adjustment of the speed of the traverse motor 50.

The leading motor 30 can drive a leading wheel (not marked in the figure) to rotate, the leading wheel is connected with a wire arranging wheel (not marked in the figure) through a belt, the wire arranging wheel is connected with a winding wheel (not marked in the figure) through the belt, and a product (not shown in the figure) reaches the winding wheel to be wound after leading and arranging wires.

The integrated controller 10 of the stranding machine in this embodiment includes a drawing and winding controller 11 and a winding displacement controller 12, two-in-one drawing and winding is realized, and the winding displacement controller 12 integrates control of a winding displacement motor 50, control of an internal brake and control of magnetic powder braking; the wire arranging part is adjusted to be a stepping motor and a wire arranging control circuit 121, the traditional mechanical wire arranging is replaced by the electronic wire arranging part, the wire arranging distance can be randomly adjusted on line without stopping the machine, and the wire arranging form can also be changed; the winding part uses an asynchronous motor and a leading winding control circuit 111 to replace an expensive magnetic powder brake 70, so that fault points are eliminated, the service life of the whole stranding machine can be prolonged, and the cost of the whole stranding machine can be reduced; the electronic drawing is used for replacing the traditional mechanical drawing, the drawing disc only needs one specification, and the pitch can be adjusted on line without stopping.

The integrated controller 10 of the stranding machine in the application has the advantages of complete functions, small size and high power density, the special technological parameters of the stranding machine can be set through software, the field debugging workload is small, the full electrification of the stranding machine control can be realized, the integration level is high, and the assembly is simple.

The above embodiments are merely examples, and not intended to limit the scope of the present application, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present application, or those directly or indirectly applied to other related arts, are included in the scope of the present application.

Claims

1. An integrated controller for a wire twisting machine, comprising at least:

the drawing and winding controller is connected with a power grid and comprises a drawing and winding control circuit, a winding control chip and a drawing and winding control chip, wherein the winding control chip and the drawing and winding control chip are connected with the drawing and winding control circuit; the winding control chip is used for controlling the drawing and winding control circuit to enable a winding motor connected with the drawing and winding control circuit to operate; the drawing control chip is used for controlling the drawing and winding control circuit, enabling a drawing motor connected with the drawing and winding control circuit to operate, outputting a control signal to the drawing motor after receiving a first adjustment instruction, adjusting the rotating speed of the drawing motor and adjusting the pitch on line, wherein the drawing control chip, a first encoder and the drawing motor form a closed loop, the first encoder is used for measuring the speed of the drawing motor and feeding the speed of the drawing motor back to the drawing control chip, and the drawing control chip is used for controlling the speed of the drawing motor according to the speed fed back by the first encoder and an output signal to realize the closed-loop adjustment of the speed of the drawing motor;

the power supply conversion circuit is connected with the power grid and used for receiving a second power supply signal output by the power grid and processing the second power supply signal to generate a second direct current signal;

the winding displacement controller is connected with the drawing and winding controller and the power supply conversion circuit and comprises a winding displacement control chip and a winding displacement control circuit which are connected with each other, the winding displacement control circuit is used for receiving the second direct current signal, the winding displacement control chip is used for controlling the winding displacement control circuit, so that a winding displacement motor connected with the winding displacement control circuit operates, and after receiving a second adjusting instruction, the winding displacement controller adjusts the winding displacement on line; the winding displacement control chip, the second encoder and the winding displacement motor form a closed loop, the second encoder is used for measuring the speed of the winding displacement motor and feeding the speed of the winding displacement motor back to the winding displacement control chip, and the winding displacement control chip outputs a signal to control the speed of the winding displacement motor according to the speed fed back by the second encoder so as to realize closed-loop adjustment of the speed of the winding displacement motor;

the flat cable control circuit comprises a flat cable driving circuit, a first voltage reduction circuit and a second voltage reduction circuit, wherein the flat cable driving circuit is used for receiving the second direct current signal and driving the flat cable motor to operate; the first voltage reduction circuit is used for reducing the voltage of the second direct current signal and generating a fourth direct current signal so as to drive an internal brake device; the second voltage reduction circuit is used for reducing the voltage of the second direct current signal to generate a fifth direct current signal so as to drive the magnetic powder brake.

2. The integrated controller of a wire twisting machine according to claim 1, wherein the take-up reel control circuit comprises:

the first rectifying circuit is used for rectifying the first power supply signal and outputting a first direct current signal;

the filter circuit is connected with the first rectifying circuit and is used for filtering the first direct current signal;

the first inverter circuit is connected with the filter circuit and used for inverting the filtered first direct current signal to generate the first alternating current signal;

and the second inverter circuit is connected with the filter circuit and is used for inverting the filtered first direct current signal to generate the second alternating current signal.

3. The integrated controller for a wire twisting machine according to claim 2,

the first inverter circuit and the second inverter circuit comprise a plurality of transistors, and the control end of each transistor in the first inverter circuit is connected with the drawing control chip and used for receiving a control signal output by the drawing control chip; and the control end of each transistor in the second inverter circuit is connected with the winding control chip and used for receiving the control signal output by the winding control chip.

4. The integrated controller for a wire twisting machine according to claim 1, wherein the power conversion circuit comprises:

the second rectifying circuit is connected with the power grid and used for receiving the second power supply signal and rectifying the second power supply signal into a third direct current signal;

and the switching power supply is connected with the second rectifying circuit and used for receiving the third direct current signal and reducing the voltage of the third direct current signal to generate the second direct current signal.

5. The integrated controller for a wire twisting machine according to claim 4,

the flat cable control chip is respectively connected with the flat cable driving circuit, the first voltage reduction circuit and the second voltage reduction circuit and is used for controlling the flat cable driving circuit, the first voltage reduction circuit and the second voltage reduction circuit.

6. The integrated controller for a wire twisting machine according to claim 5,

the first voltage reduction circuit and the second voltage reduction circuit are voltage boosting type voltage reduction circuits, each voltage boosting type voltage reduction circuit comprises a transistor, and the control end of each transistor is connected with the flat cable control chip and used for receiving a control signal output by the flat cable control chip;

when the transistor is conducted, the input voltage of the boost type voltage reduction circuit is equal to the output voltage of the boost type voltage reduction circuit; when the transistor is not conducted, the input voltage of the boost type voltage reduction circuit is smaller than the output voltage of the boost type voltage reduction circuit.

7. The integrated controller for a wire twisting machine according to claim 6,

the boost type voltage reduction circuit further comprises a diode, an inductor, a resistor and a capacitor, wherein a first end of the diode is connected with the switching power supply, a second end of the diode is connected with a first end of the transistor, a second end of the transistor is connected with the switching power supply, a first end of the inductor is connected with a second end of the capacitor, a second end of the inductor is connected with a first end of the resistor and a first end of the capacitor, and a second end of the resistor is connected with a second end of the capacitor and connected with a first end of the diode.