Self-diagnostic flux converter device and operating method

Abstract

The present invention provides a self-diagnostic flux converter device and a working method, comprising: a push rod, a support rod, a yoke, a skeleton, a coil, a spring, a magnet and a control unit; a cavity is arranged inside the skeleton and an opening is arranged at one end, a coil is wound on the outer side of the skeleton, a magnet is installed on the side of the skeleton facing away from the opening, and the yoke is installed in the cavity through the opening; a first through hole is arranged inside the yoke, the push rod and the spring are sleeved on the support rod, a spring is installed inside the push rod and is subjected to elastic force along the axial direction of the support rod by the spring; the push rod is subjected to magnetic attraction force along the axial direction of the support rod, and the coil is electrically connected to the control unit; the present invention can automatically detect fault conditions such as wire breakage of the coil and poor contact of the end wire, and once these fault problems are self-diagnosed, the control unit will promptly send out an alarm signal to remind maintenance and replacement of the faulty parts to avoid serious accidents.

Description

Technical Field

[0001] The present invention relates to a magnetic flux converter, and in particular to a self-diagnostic magnetic flux converter device and a working method. Background Art

[0002] The flux converter is a passive device. As an actuator, the traditional flux converter will fail to operate due to poor contact of the plug connector, broken wires of the coil, and failure of components, which will cause serious accidents.

[0003] Patent document CN2591762Y relates to a magnetic flux converter. Its characteristics are that the magnet is arranged around the inner cavity of the yoke and around the iron core; the spring is sleeved on the part of the iron core that passes through the top of the yoke cavity, and a sleeve box with perforations is sleeved on the outside of the spring. The top of the upper sleeve cover of the sleeve box is fixedly connected to the upper part of the iron core, and the bottom of the lower sleeve bottom of the sleeve box is supported on the top of the yoke. Since the magnet is arranged around the iron core in the inner cavity of the yoke, most of the magnetic flux of the permanent magnet passes through the conductor and is directly conducted to the iron core very close to it, which maximizes the magnetic flux density and reduces leakage magnetic flux.

[0004] Patent document CN101656158B relates to a magnetic flux converter with a permanent magnet, including a yoke, a permanent magnet, a coil frame, a coil, a push rod, a spring, a retaining ring and a buffer pad; the coil is wound on the coil frame; the permanent magnet is placed in the coil frame; the yoke also serves as the outer shell of the magnetic flux converter; the coil frame also serves as the cover of the magnetic flux converter; the push rod is adsorbed on the permanent magnet in the attracted state; the yoke has symmetrical fixing claws on both sides; the inside of the coil frame is divided into three cavities, the bottom circular cavity is used to place the permanent magnet, and the middle and upper circular cavities are used to place the push rod, the diameter of the middle cavity is larger than that of the upper cavity, and is used to limit the push rod. Summary of the invention

[0005] In view of the defects in the prior art, an object of the present invention is to provide a self-diagnostic flux converter device and a working method.

[0006] A self-diagnostic magnetic flux converter device according to the present invention comprises: a top rod, a support rod, a yoke, a skeleton, a coil, a spring, a magnet and a control unit;

[0007] A cavity is provided inside the frame and an opening is provided at one end, the coil is wound on the outer side of the frame, the magnet is installed on the side of the frame facing away from the opening, and the yoke is installed in the cavity through the opening;

[0008] A first through hole is provided inside the magnetic yoke, the support rod is installed in the first through hole and is coaxial with the first through hole, the push rod and the spring are sleeved on the support rod, the spring is installed inside the push rod and is subjected to the elastic force of the spring along the axial direction of the support rod;

[0009] The push rod is subjected to a magnetic attraction force by the magnet along the axial direction of the support rod, and the magnetic attraction force is opposite to the elastic force;

[0010] The ejector rod does not completely leave the first through hole through the magnetic yoke;

[0011] The coil is electrically connected to the control unit;

[0012] When the coil is not energized, the magnetic attraction force is greater than the elastic force, and the ejector rod does not pop out in the direction of the elastic force;

[0013] When the coil is energized, the coil generates an electromagnetic force in the same direction as the elastic force, the sum of the electromagnetic force and the elastic force is greater than the magnetic attraction force, and the lower part of the ejector rod is ejected along the direction of the elastic force under the combined influence of the electromagnetic force, the elastic force and the magnetic attraction force.

[0014] Preferably, the frame is installed in a shell, a groove is provided on the inner wall of one end of the shell, a retaining spring is inserted into the groove, and the yoke is fixed by the retaining spring.

[0015] Preferably, one end of the yoke is configured as a hollow cylinder, the other end of the cylinder is configured as a skirt extending vertically outward, the cylinder is installed in the frame, and the skirt covers the outside of the opening;

[0016] The clamping spring fixes the yoke via the skirt, and the skirt and the shell fix the frame.

[0017] Preferably, the end of the skeleton facing away from the opening is in close contact with the shell and the magnet and the pad are installed thereon, one side of the pad is in close contact with the shell, and the other side of the pad is in close contact with the magnet and forms a static iron core system with the magnet.

[0018] Preferably, an iron core is installed on the side of the magnet facing away from the backing plate, a baffle is arranged between the iron core and the magnet, and air gap isolation is achieved through the baffle;

[0019] The magnet is made of permanent magnet material, and the iron core is magnetized by the magnet.

[0020] Preferably, one side of the iron core is in close contact with the baffle, and the support rod is installed on the other side of the iron core;

[0021] A second through hole is provided at one end of the push rod to allow the support rod and the spring to be introduced into the second through hole, and a closed surface is provided at the other end of the push rod to bear the elastic force of the spring;

[0022] One end of the push rod away from the closed surface is in close contact with the iron core and forms a moving iron core system with the iron core. The push rod is coaxially placed with the iron core.

[0023] Preferably, the coil is electrically connected to a coil lead port, and the coil lead port extends out of the housing and is electrically connected to the control unit.

[0024] Preferably, the circuit connection mode of the control unit is: the coil is connected to one end of the power supply VCC1 through one end of the coil lead port, the coil is connected to pin 1 of the transistor Q1 through the other end of the coil lead port, pin 2 of the transistor Q1 is grounded, and pin 3 of the transistor Q1 is connected to pin P2 of the chip U1;

[0025] Pin 1 of the transistor Q1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to pin 1 of the optocoupler U2, pin 2 of the optocoupler U2 is grounded, pin 4 of the optocoupler U2 is connected to the power supply VCC2, pin 3 of the optocoupler U2 is connected to resistor R2 and one end of resistor R3, the other end of the resistor R3 is grounded, and the other end of the resistor R2 is connected to pin P1 of the chip U1;

[0026] The P3 pin of the chip U1 is connected to the 3 pin of the transistor Q3, the P4 pin of the chip U1 is connected to the 3 pin of the transistor Q2, the 1 pin of the transistor Q2 is connected to the 2 pin of the buzzer FM, the 1 pin of the buzzer FM is connected to the power supply VCC2, the 2 pin of the transistor Q2 is grounded, the 1 pin of the transistor Q3 is connected to the 2 pin of the light-emitting tube LED1, the 1 pin of the light-emitting tube LED1 is connected to the power supply VCC2, and the 2 pin of the transistor Q3 is grounded.

[0027] Preferably, when the device is working normally, the power supply VCC1 outputs a voltage to one end of the resistor R1 and is transmitted to pin 1 of the optocoupler U2, pins 1 and 2 of the optocoupler U2 are turned on, and pins 3 and 4 of the optocoupler U2 are turned on, the power supply VCC2 outputs a voltage to the resistor R2 and is transmitted to pin P1 of the chip U1, and pins P3 and P4 of the chip U1 output 0 voltage, pins 1 and 2 of the transistor Q2 are not turned on, the buzzer FM is not turned on, pins 1 and 2 of the transistor Q3 are not turned on, and the light-emitting diode LED1 is not turned on;

[0028] When the coil is disconnected, the power supply VCC1 does not output voltage to the resistor R1, and at the same time, pins 1 and 2 of the optocoupler U2 are not conducting, pins 3 and 4 of the optocoupler U2 are not conducting, the power supply VCC2 cannot output voltage to the resistor R2 and the output voltage is grounded through the resistor R3, the P1 pin of the chip U1 inputs 0 voltage, the P3 pin and P4 pin of the chip U1 output high level, the 1 pin and 2 pin of the transistor Q2 are conducting, the buzzer FM is conducting and sounds an alarm, the 1 pin and 2 pin of the transistor Q3 are conducting, the light-emitting tube LED1 is conducting and lights an alarm;

[0029] When the coil lead port has poor contact, the power supply VCC1 does not output voltage to the resistor R1, and at the same time, pins 1 and 2 of the optical coupler U2 are not conducting, pins 3 and 4 of the optical coupler U2 are not conducting, the power supply VCC2 cannot output voltage to the resistor R2 and the output voltage is grounded through the resistor R3, the P1 pin of the chip U1 inputs 0 voltage, the P3 pin and P4 pin of the chip U1 output high level, the 1 pin and 2 pin of the transistor Q2 are conducting, the buzzer FM is conducting and sounds an alarm, the 1 pin and 2 pin of the transistor Q3 are conducting, the light-emitting tube LED1 is conducting and lights an alarm;

[0030] Preferably, the present invention also provides a method for operating a self-diagnostic flux converter device, comprising the following steps:

[0031] Step S1, when the device is not driven, the magnetic attraction force is greater than the elastic force, and the push rod is tightly attached to the iron core under the action of the magnetic attraction force;

[0032] Step S2, when the device is driven, the P2 pin of the chip U1 sends a driving signal and the coil is energized.

[0033] Step S3, the coil generates the electromagnetic force after being energized, the sum of the electromagnetic force and the magnetic attraction force vector is smaller than the elastic force, and the ejector rod is separated from the iron core and partially ejected;

[0034] Step S4, when the coil is disconnected or the coil lead terminal is in poor contact, the buzzer FM is turned on and sounds an alarm, and the light-emitting diode LED1 is turned on and lights an alarm.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] The present invention can automatically detect faults such as coil breakage and poor contact of the end wires. Once these faults are self-diagnosed, the control unit will promptly send out an alarm signal to remind maintenance and replacement of the faulty parts to avoid serious accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0038] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the magnetic flux converter;

[0039] Figure 2 is a cross-sectional view of the flux converter in a non-driving working state;

[0040] Figure 3 A cross-sectional view of a flux converter in a driving working state;

[0041] Figure 4 is the circuit schematic diagram of the control unit;

[0042] As shown in the figure:

[0043] DETAILED DESCRIPTION

[0044] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, for those of ordinary skill in the art, several changes and improvements can also be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0045] Example 1

[0046] like Figures 1 to 3As shown, a self-diagnostic flux converter device includes: a push rod 1, a support rod 2, a yoke 3, a skeleton 5, a coil 6, a spring 7, a magnet 10 and a control unit; a cavity is arranged inside the skeleton 5 and an opening is arranged at one end, the coil 6 is wound on the outer side of the skeleton 5, the magnet 10 is installed on the side of the skeleton 5 facing away from the opening, and the yoke 3 is installed in the cavity through the opening; a first through hole is arranged inside the yoke 3, the support rod 2 is installed in the first through hole and is coaxial with the first through hole, the push rod 1 and the spring 7 are sleeved on the support rod 2, the spring 7 is installed inside the push rod 1 and is subjected to the elastic force of the spring 7 along the axial direction of the support rod 2; the push rod 1 is subjected to the magnetic attraction force of the magnet 10 along the axial direction of the support rod 2, and the magnetic attraction force is opposite to the elastic force; the push rod 1 does not completely leave the first through hole through the yoke 3; the coil 6 is electrically connected to the control unit; the skeleton 5 is installed in the shell 12, and a groove is arranged on the inner wall of one end of the shell 12, and a retaining spring 4 is inserted in the groove, and the yoke 3 is fixed by the retaining spring 4. One end of the yoke 3 is set as a hollow cylinder, and the other end of the cylinder is set as a skirt extending vertically outward. The cylinder is installed in the frame 5, and the skirt covers the outside of the opening; the circlip 4 fixes the yoke 3 through the skirt, and the skirt and the shell 12 fix the frame 5. The end of the frame 5 facing away from the opening is close to the shell 12 and is installed with a magnet 10 and a pad 11. One side of the pad 11 is close to the shell 12, and the other side of the pad 11 is close to the magnet 10 and forms a static iron core system with the magnet 10. The iron core 8 is installed on the side of the magnet 10 facing away from the pad 11, and a baffle 9 is set between the iron core 8 and the magnet 10, and air gap isolation is achieved through the baffle 9; the magnet 10 is made of permanent magnet material, and the iron core 8 is magnetized by the magnet 10. One side of the iron core 8 is close to the baffle 9, and the support rod 2 is installed on the other side of the iron core 8; a second through hole is set at one end of the push rod 1 to allow the support rod 2 and the spring 7 to be introduced into the second through hole, and a closed surface is set at the other end of the push rod 1 to bear the elastic force of the spring 7; the end of the push rod 1 away from the closed surface is close to the iron core 8 and forms a moving iron core system with the iron core 8, and the push rod 1 is coaxially placed with the iron core 8. The coil 6 is electrically connected to the coil lead port 13, and the coil lead port 13 extends out of the housing 12 and is electrically connected to the control unit.

[0047] When the coil 6 is not energized, the magnetic attraction is greater than the elastic force, and the push rod 1 does not pop out in the direction of the elastic force; when the coil 6 is energized, the coil 6 generates an electromagnetic force in the same direction as the elastic force, and the sum of the electromagnetic force and the elastic force is greater than the magnetic attraction. The push rod 1 is affected by the electromagnetic force, the elastic force and the magnetic attraction, and the lower part of the push rod 1 pops out in the direction of the elastic force.

[0048] like Figure 4As shown, the circuit connection mode of the control unit is as follows: the coil 6 is connected to one end of the power supply VCC1 through one end of the coil lead port 13, the coil 6 is connected to the 1st pin of the transistor Q1 through the other end of the coil lead port 13, the 2nd pin of the transistor Q1 is grounded, and the 3rd pin of the transistor Q1 is connected to the P2 pin of the chip U1; the 1st pin of the transistor Q1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the 1st pin of the optical coupler U2, the 2nd pin of the optical coupler U2 is grounded, the 4th pin of the optical coupler U2 is connected to the power supply VCC2, and the 3rd pin of the optical coupler U2 is connected Connect one end of resistor R2 and resistor R3, the other end of resistor R3 is grounded, and the other end of resistor R2 is connected to pin P1 of chip U1; pin P3 of chip U1 is connected to pin 3 of transistor Q3, pin P4 of chip U1 is connected to pin 3 of transistor Q2, pin 1 of transistor Q2 is connected to pin 2 of buzzer FM, pin 1 of buzzer FM is connected to power supply VCC2, pin 2 of transistor Q2 is grounded, pin 1 of transistor Q3 is connected to pin 2 of light-emitting tube LED1, pin 1 of light-emitting tube LED1 is connected to power supply VCC2, and pin 2 of transistor Q3 is grounded.

[0049] When the device is working normally, the power supply VCC1 outputs voltage to one end of the resistor R1 and transmits it to pin 1 of the optocoupler U2. Pins 1 and 2 of the optocoupler U2 are turned on, and pins 3 and 4 of the optocoupler U2 are turned on. The power supply VCC2 outputs voltage to the resistor R2 and transmits it to pin P1 of the chip U1. At the same time, pins P3 and P4 of the chip U1 output 0 voltage, pins 1 and 2 of the transistor Q2 are not turned on, the buzzer FM is not turned on, pins 1 and 2 of the transistor Q3 are not turned on, and the light-emitting tube LED1 is not turned on; when the coil 6 is disconnected, the power supply VCC1 does not output voltage to the resistor R1, and pins 1 and 2 of the optocoupler U2 are not turned on, pins 3 and 4 of the optocoupler U2 are not turned on, the power supply VCC2 cannot output voltage to the resistor R2 and the output voltage is grounded through the resistor R3. The P1 of the chip U1 Pin 1 inputs 0 voltage, and pins P3 and P4 of chip U1 output high level, pins 1 and 2 of transistor Q2 are turned on, buzzer FM is turned on and sounds an alarm, pins 1 and 2 of transistor Q3 are turned on, and light-emitting tube LED1 is turned on and lights an alarm; when the coil lead terminal 13 has poor contact, power supply VCC1 does not output voltage to resistor R1, and pins 1 and 2 of optocoupler U2 are not turned on, pins 3 and 4 of optocoupler U2 are not turned on, power supply VCC2 cannot output voltage to resistor R2 and output voltage is grounded through resistor R3, pin P1 of chip U1 inputs 0 voltage, pin P3 and P4 of chip U1 output high level, pins 1 and 2 of transistor Q2 are turned on, buzzer FM is turned on and sounds an alarm, pins 1 and 2 of transistor Q3 are turned on, and light-emitting tube LED1 is turned on and lights an alarm;

[0050] The present invention also provides a method for operating a self-diagnostic flux converter device, comprising the following steps:

[0051] Step S1, when the device is not driven, the magnetic attraction is greater than the elastic force, and the push rod 1 is close to the iron core 8 under the action of the magnetic attraction; Step S2, when the device is driven, the P2 pin of the chip U1 sends a driving signal, and the coil 6 is energized. Step S3, after the coil 6 is energized, an electromagnetic force is generated, and the sum of the electromagnetic force and the magnetic attraction vector is less than the elastic force, and the push rod 1 is separated from the iron core 8 and partially ejected; Step S4, when the coil 6 is disconnected or the coil lead port 13 is in poor contact, the buzzer FM is turned on and a sound alarm is sounded, and the light-emitting tube LED1 is turned on and a light alarm is lighted.

[0052] Example 2

[0053] Example 2 is a preferred example of Example 1.

[0054] The flux converter is a key executive unit component of the universal circuit breaker and a key component for the transition from electrical control to mechanical control. The flux converter adopts a permanent magnet structure and is mainly composed of a coil 6, an iron core 8, a spring 7, a magnet 10 and a control unit. Its appearance structure is as follows: Figure 1 As shown, the top rod 1 is a movable component, the shell 12 is the outer shell of the entire device, and the coil lead port 13 is a power lead port, one end of which is connected to the power supply VCC1 port of the control unit, and the other end is connected to the 1-pin port of the transistor Q1.

[0055] like Figure 2 As shown, it is a structural diagram of the flux converter in the non-driven working state. Under the action of the suction force of the magnet 10, the magnet 10 is made of a permanent magnet. When the suction force of the magnet 10 is greater than the reaction force of the spring 7, the core 8 is magnetized by the magnet 10, and the push rod 1 and the core 8 remain attracted, and the flux converter device is in the attracted state. The support rod 2 is coaxially installed with the iron core 8, the spring 7 is sleeved on the support rod 2 component, and the spring 7 is in a compressed state. The push rod 1 is sleeved on the spring 7, and the bottom surface of the push rod 1 is tightly connected to the top of the iron core 8 to form a moving iron core system; the iron core 8 is tightly connected to the baffle 9, and the baffle 9 is tightly connected to the magnet 10 component. The baffle 9 separates the iron core 8 and the magnet 10 component to isolate the air gap. The magnet 10 component is tightly connected to the pad 11 to form a static iron core system; the coil 6 is an electromagnetic coil wound on the skeleton 5. After the electromagnetic coil is energized, an electromagnetic field force is generated in the coil 6. The yoke 3 is installed in the internal cavity of the skeleton 5 to form an electromagnetic system; the retaining spring 4 is fitted with the yoke 3, and the retaining spring 4 is installed in the groove of the shell 12. The retaining spring 4 plays the role of fixing the yoke 3.

[0056] like Figure 3As shown, it is a structural diagram of the state after the flux converter is driven and working. When the chip U1 sends out a trip control signal, the triode Q1 is controlled to make the coil 6 in the flux converter instantly energized, and a force opposite to the attraction of the magnet 10 is generated in the coil 6. When the sum of the electromagnetic force generated in the coil 6 and the attraction vector of the magnet 10 is less than the elastic force of the spring 7, the push rod 1 is separated from the iron core 8 under the reaction force of the spring 7, and the push rod 1 is in a free release state. The trip mechanism of the intelligent controller is pushed by the push rod 1, thereby realizing the rapid opening of the circuit breaker. Due to the electromagnetic force generated by the coil 6 and the reaction force of the spring 7, the push rod 1 is in a pop-up state. The support rod 2 is coaxially installed with the iron core 8, the spring 7 is sleeved on the support rod 2 component, and the spring 7 is in a compressed state. The push rod 1 is sleeved on the spring 7, and the bottom surface of the push rod 1 is tightly connected to the top of the iron core 8 to form a moving iron core system; the iron core 8 is tightly connected to the baffle 9, and the baffle 9 is tightly connected to the magnet 10 component. The baffle 9 separates the iron core 8 and the magnet 10 components, and the baffle 9 has an air gap isolation effect. The magnet 10 component is tightly connected to the pad 11 to form a static iron core system.

[0057] Control principle of the control unit:

[0058] like Figure 4 As shown, when there is no driving output signal at the P2 pin of the chip U1, the driving circuit composed of the coil 6 and the transistor Q1 does not work. When there is a driving signal at the P2 pin of the chip U1, there is a driving working circuit composed of the coil 6 and the transistor Q1. When current flows through the coil 6, a force opposite to the suction force of the magnet 10 is generated in the coil 6. When the vector sum of the magnetic force generated in the coil 6 and the suction force of the magnet 10 is less than the force of the spring 7, the push rod 1 is separated from the iron core 8 under the reaction force of the spring 7, and the tripping mechanism of the intelligent controller is pushed by the push rod 1 to realize the electromagnetic driving function.

[0059] Coil 6, resistor R1, optocoupler U2, resistor R2, resistor R3 and chip U1 form a coil fault self-detection circuit. If coil 6 fails, current will flow through the current limiting resistor R1, and current will flow through pins 1 and 2 of the optocoupler U2, making pins 3 and 4 of the optocoupler U2 conductive. Through the voltage divider effect of resistors R2 and R3, the power supply VCC2 signal or GND signal is sent to chip U1, and the fault self-detection judgment processing of the coil is performed through the logical operation processing of chip U1.

[0060] In the control unit circuit, one end of the coil 6 is connected to the power supply VCC1, and the power supply VCC1 serves as the driving power supply of the coil 6. The voltage of the power supply VCC1 is DC24V.

[0061] Pin 1 of transistor Q1 is connected to the other end of coil 6 and one end of resistor R1, pin 2 of transistor Q1 is connected to GND, pin 3 of transistor Q1 is connected to pin P2 of chip U1, the other end of resistor R1 is connected to pin 1 of optocoupler U2, pin 2 of optocoupler U2 is grounded, pin 4 of optocoupler U2 is connected to power supply VCC2, pin 3 of optocoupler U2 is connected to one end of resistor R2 and one end of resistor R3, the other end of resistor R3 is connected to GND, and the other end of resistor R2 is connected to pin P1 of chip U1.

[0062] The P3 pin of chip U1 is connected to the 3 pin of transistor Q3, the P4 pin of chip U1 is connected to the 3 pin of transistor Q2, the 1 pin of buzzer FM is connected to the power supply VCC2, the voltage of power supply VCC2 is DC5V, the 2 pin of buzzer FM is connected to the 1 pin of transistor Q2. The 1 pin of light-emitting tube LED1 is connected to the power supply VCC2, the voltage of power supply VCC2 is DC5V, the 2 pin of light-emitting tube LED1 is connected to the 1 pin of transistor Q3, the 2 pin of transistor Q2 is connected to GND, and the 2 pin of transistor Q3 is connected to GND.

[0063] When the circuit is working normally, the power supply VCC1 sends the voltage to one end of the resistor R1, and at the same time, the power supply VCC1 inputs the voltage (high voltage) to the 1st pin of the optocoupler U2, causing the 1st and 2nd pins of the optocoupler U2 to be turned on, and the 3rd and 4th pins of the optocoupler U2 to be turned on, causing the power supply VCC2 voltage (high voltage) to be sent to the 1st pin of the resistor R2, and through the resistor R2, the power supply VCC2 voltage (high voltage) is sent to the P1 pin of the chip U1. At the same time, the P3 and P4 pins of the chip U1 output 0 voltage, the 1st and 2nd pins of the transistor Q2 are blocked, causing the 1st and 2nd pins of the buzzer FM to be blocked, the buzzer FM cannot form a circuit loop, and the buzzer FM cannot sound an alarm; the 1st and 2nd pins of the transistor Q3 are blocked, causing the 1st and 2nd pins of the light-emitting tube LED1 to be blocked, the light-emitting tube LED1 cannot form a circuit loop, and the light-emitting tube LED1 cannot emit a light alarm.

[0064] When coil 6 is disconnected, the power supply VCC1 voltage cannot be sent to resistor R1, and the power supply VCC1 voltage (high voltage) cannot be input to pin 1 of the optocoupler U2, causing the light-emitting diodes at pins 1 and 2 of the optocoupler U2 to be non-conductive, causing pins 3 and 4 of the optocoupler U2 to be non-conductive, causing the power supply VCC2 voltage (high voltage) to be unable to be sent to pin 1 of the resistor R2, but to be grounded (0 voltage) to resistor R2 through pin 1 of the resistor R3, and the input of the P1 port of the chip U1 is 0 voltage (when there is no fault, the input of the P1 port of the chip U1 is the power supply VCC2 voltage). At the same time, P3 and P4 of the chip U1 output high level, pins 1 and 2 of the transistor Q2 are conductive, pins 1 and 2 of the buzzer FM are conductive, and the buzzer FM emits an alarm sound; pins 1 and 2 of the transistor Q3 are conductive, pins 1 and 2 of the light-emitting tube LED1 are conductive, and the light-emitting tube LED1 emits a light alarm.

[0065] When the plug connector of the coil lead port 13 is in poor contact, the power supply VCC1 voltage cannot be sent to the resistor R1, and the power supply VCC1 voltage (high voltage) cannot be input to the pin 1 of the optocoupler U2, causing the light-emitting diodes of the pins 1 and 2 of the optocoupler U2 to be non-conductive, causing the pins 3 and 4 of the optocoupler U2 to be non-conductive, causing the power supply VCC2 voltage (high voltage) to be unable to be sent to the resistor R2, but to be grounded (0 voltage) through the resistor R3, and the input of the P1 port of the chip U1 is 0 voltage (when there is no fault, the input of the P1 port of the chip U1 is the high voltage of the power supply VCC2). At the same time, the P3 and P4 of the chip U1 output high level, the pins 1 and 2 of the transistor Q2 are turned on, the pins 1 and 2 of the buzzer FM are turned on, and the buzzer FM emits an alarm sound; the pins 1 and 2 of the transistor Q3 are turned on, the pins 1 and 2 of the light-emitting tube LED1 are turned on, and the light-emitting tube LED1 emits a light alarm.

[0066] Those skilled in the art know that, in addition to realizing the system and its various devices, modules, and units provided by the present invention in a purely computer-readable program code, it is entirely possible to realize the same functions in the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, and embedded microcontrollers by logically programming the method steps. Therefore, the system and its various devices, modules, and units provided by the present invention can be considered as a hardware component, and the devices, modules, and units included therein for realizing various functions can also be regarded as structures within the hardware component; the devices, modules, and units for realizing various functions can also be regarded as both software modules for realizing the method and structures within the hardware component.

[0067] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0068] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A self-diagnostic flux converter device, characterized in that include: A top rod (1), a support rod (2), a yoke (3), a skeleton (5), a coil (6), a spring (7), a magnet (10) and a control unit; The frame (5) has a cavity inside and an opening at one end, the coil (6) is wound on the outer side of the frame (5), the magnet (10) is installed on the side of the frame (5) facing away from the opening, and the yoke (3) is installed in the cavity through the opening; A first through hole is arranged inside the magnetic yoke (3), the support rod (2) is installed in the first through hole and is coaxial with the first through hole, the push rod (1) and the spring (7) are sleeved on the support rod (2), the spring (7) is installed inside the push rod (1) and is subjected to the elastic force of the spring (7) along the axial direction of the support rod (2); The push rod (1) is subjected to a magnetic attraction force from the magnet (10) along the axial direction of the support rod (2), and the magnetic attraction force is opposite to the elastic force; The push rod (1) does not completely leave the first through hole through the magnetic yoke (3); The coil (6) is electrically connected to the control unit; When the coil (6) is not energized, the magnetic attraction force is greater than the elastic force, and the ejector rod (1) does not pop out in the direction of the elastic force; When the coil (6) is energized, the coil (6) generates an electromagnetic force in the same direction as the elastic force, the sum of the electromagnetic force and the elastic force is greater than the magnetic attraction force, and the lower portion of the ejector rod (1) is ejected in the direction of the elastic force under the combined influence of the electromagnetic force, the elastic force and the magnetic attraction force; The frame (5) is installed in a housing (12); a groove is provided on an inner wall of one end of the housing (12); a retaining spring (4) is inserted into the groove; and the yoke (3) is fixed by the retaining spring (4); The coil (6) is electrically connected to a coil lead port (13), and the coil lead port (13) extends out of the housing (12) and is electrically connected to the control unit; The circuit connection mode of the control unit is as follows: the coil (6) is connected to one end of the power supply VCC1 through one end of the coil lead port (13), the coil (6) is connected to pin 1 of the transistor Q1 through the other end of the coil lead port (13), pin 2 of the transistor Q1 is grounded, and pin 3 of the transistor Q1 is connected to pin P2 of the chip U1; Pin 1 of the transistor Q1 is connected to one end of the resistor R1, and the other end of the resistor R1 is connected to pin 1 of the optical coupler U2. Pin 2 of the optocoupler U2 is grounded, pin 4 of the optocoupler U2 is connected to the power supply VCC2, pin 3 of the optocoupler U2 is connected to resistor R2 and one end of resistor R3, the other end of resistor R3 is grounded, and the other end of resistor R2 is connected to pin P1 of the chip U1; The P3 pin of the chip U1 is connected to the 3 pin of the transistor Q3, the P4 pin of the chip U1 is connected to the 3 pin of the transistor Q2, the 1 pin of the transistor Q2 is connected to the 2 pin of the buzzer FM, the 1 pin of the buzzer FM is connected to the power supply VCC2, the 2 pin of the transistor Q2 is grounded, the 1 pin of the transistor Q3 is connected to the 2 pin of the light-emitting tube LED1, the 1 pin of the light-emitting tube LED1 is connected to the power supply VCC2, and the 2 pin of the transistor Q3 is grounded.

2. The self-diagnostic flux converter device according to claim 1, characterized in that: One end of the yoke (3) is configured as a hollow column, and the other end of the column is configured as a skirt extending vertically outwards, the column is installed in the frame (5), and the skirt covers the outside of the opening; The clamping spring (4) fixes the yoke (3) via the skirt, and the skirt and the housing (12) fix the frame (5).

3. The self-diagnostic flux converter device according to claim 2, characterized in that: The end of the skeleton (5) facing away from the opening is in close contact with the shell (12) and the magnet (10) and the pad (11) are installed thereon. One side of the pad (11) is in close contact with the shell (12), and the other side of the pad (11) is in close contact with the magnet (10) and forms a static iron core system with the magnet (10).

4. The self-diagnostic flux converter device according to claim 3, characterized in that: An iron core (8) is installed on the side of the magnet (10) facing away from the backing plate (11), a baffle (9) is arranged between the iron core (8) and the magnet (10), and air gap isolation is achieved through the baffle (9); The magnet (10) is made of a permanent magnet material, and the iron core (8) is magnetized by the magnet (10).

5. The self-diagnostic flux converter device according to claim 4, characterized in that: One side of the iron core (8) is in close contact with the baffle (9), and the support rod (2) is installed on the other side of the iron core (8); A second through hole is provided at one end of the push rod (1) to allow the support rod (2) and the spring (7) to be introduced into the second through hole, and a closed surface is provided at the other end of the push rod (1) to bear the elastic force of the spring (7); The end of the push rod (1) away from the closed surface is in close contact with the iron core (8) and forms a moving iron core system with the iron core (8). The push rod (1) and the iron core (8) are coaxially placed.

6. The self-diagnostic flux converter device according to claim 4, characterized in that: When the device is working normally, the power supply VCC1 outputs voltage to one end of the resistor R1 and transmits it to pin 1 of the optocoupler U2, pins 1 and 2 of the optocoupler U2 are turned on, and pins 3 and 4 of the optocoupler U2 are turned on, the power supply VCC2 outputs voltage to the resistor R2 and transmits it to pin P1 of the chip U1, and pins P3 and P4 of the chip U1 output 0 voltage, pins 1 and 2 of the transistor Q2 are not turned on, the buzzer FM is not turned on, pins 1 and 2 of the transistor Q3 are not turned on, and the light-emitting diode LED1 is not turned on; When the coil (6) is disconnected, the power supply VCC1 does not output voltage to the resistor R1, and at the same time, pins 1 and 2 of the optical coupler U2 are not conducting, pins 3 and 4 of the optical coupler U2 are not conducting, the power supply VCC2 cannot output voltage to the resistor R2 and the output voltage is grounded through the resistor R3, the P1 pin of the chip U1 inputs 0 voltage, the P3 pin and the P4 pin of the chip U1 output a high level, the pins 1 and 2 of the transistor Q2 are conducting, the buzzer FM is conducting and sounds an alarm, the pins 1 and 2 of the transistor Q3 are conducting, the light-emitting diode LED1 is conducting and lights an alarm; When the coil lead port (13) has poor contact, the power supply VCC1 does not output voltage to the resistor R1, and at the same time, pins 1 and 2 of the optocoupler U2 are not conducting, pins 3 and 4 of the optocoupler U2 are not conducting, the power supply VCC2 cannot output voltage to the resistor R2 and the output voltage is grounded through the resistor R3, the P1 pin of the chip U1 inputs 0 voltage, the P3 pin and P4 pin of the chip U1 output high level, the 1 pin and 2 pin of the transistor Q2 are conducting, the buzzer FM is conducting and sounds an alarm, the 1 pin and 2 pin of the transistor Q3 are conducting, the light-emitting diode LED1 is conducting and lights an alarm.

7. A method for operating a self-diagnostic flux converter device according to claim 6, characterized in that: The following steps are involved: Step S1, when the device is not driven, the magnetic attraction force is greater than the elastic force, and the push rod (1) is tightly attached to the iron core (8) under the action of the magnetic attraction force; Step S2, when the device is driven, the P2 pin of the chip U1 sends a driving signal, and the coil (6) is energized; Step S3, the coil (6) generates the electromagnetic force after being energized, the sum of the electromagnetic force and the magnetic attraction force vector is smaller than the elastic force, and the ejector rod (1) is separated from the iron core (8) and partially ejected; Step S4, when the coil (6) is disconnected or the coil lead port (13) is in poor contact, the buzzer FM is turned on and sounds an alarm, and the light-emitting diode LED1 is turned on and lights an alarm.

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