CN210119689U - Single chip microcomputer controlled silicon controlled phase shift trigger circuit for magnetic particle flaw detector - Google Patents
Single chip microcomputer controlled silicon controlled phase shift trigger circuit for magnetic particle flaw detector Download PDFInfo
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- CN210119689U CN210119689U CN201921063228.XU CN201921063228U CN210119689U CN 210119689 U CN210119689 U CN 210119689U CN 201921063228 U CN201921063228 U CN 201921063228U CN 210119689 U CN210119689 U CN 210119689U
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- trigger circuit
- resistor
- silicon controlled
- magnetic particle
- phase shift
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Abstract
The utility model discloses a magnetic particle flaw detector is with singlechip controlled silicon controlled rectifier phase shift trigger circuit, including magnetic particle flaw detector is with singlechip controlled silicon controlled rectifier phase shift trigger circuit, magnetic particle flaw detector is with inside zero cross signal detection circuitry, miniwatt silicon controlled rectifier trigger circuit, high-power pulse transformer trigger circuit and the pulse transformer of being equipped with of singlechip controlled silicon controlled rectifier phase shift trigger circuit. This magnetic particle flaw detector is with singlechip control's silicon controlled rectifier phase shift trigger circuit, through the overall structure of equipment for equipment can not cause the change to presetting conduction angle numerical value at arbitrary adjustment of rotary encoder switch after the shutdown, avoided the potentiometre maloperation after the shutdown to cause the too big risk of silicon controlled rectifier conduction current after the start, and rotary encoder switch can avoid voltage fluctuation or external disturbance to cause AD to read the unstability of potentiometre proportional signal.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a magnetic particle flaw detector is with singlechip control's silicon controlled rectifier phase shift trigger circuit.
Background
The magnetic powder inspection is based on the magnetic interaction between a leakage magnetic field at a defect and magnetic powder, after a ferromagnetic material or a workpiece is magnetized, magnetic lines of force at the defect on the surface and the near surface deform to escape from the surface of the workpiece to form a detectable leakage magnetic field, at the moment, magnetic powder is scattered on the surface of the workpiece or magnetic suspension is poured on the surface of the workpiece, magnetic powder particles are adsorbed in a defect area to display the position, the shape and the size of the defect, which is the basic principle of magnetic powder inspection, but when a common magnetic powder inspection device is used, the conduction current of a silicon controlled rectifier is easy to be overlarge under the condition of misoperation to influence the function of equipment, so that a silicon controlled rectifier phase-shifting trigger circuit controlled by a single chip microcomputer for the magnetic.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic particle flaw detector is with singlechip controlled silicon controlled rectifier phase shift trigger circuit to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector comprises a silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector, wherein a zero-crossing signal detection circuit, a low-power silicon controlled phase shift trigger circuit, a high-power pulse transformer trigger circuit and a pulse transformer are arranged in the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector.
Preferably, the zero-crossing signal detection circuit and the pulse transformer are connected with a processor inside a silicon controlled phase shift trigger circuit controlled by a single chip microcomputer for the magnetic particle flaw detector through leads, and the output ends of the low-power silicon controlled phase shift trigger circuit and the high-power pulse transformer trigger circuit are connected with the processor.
Preferably, the zero-cross signal detection circuit is composed of a comparator, a resistor and a capacitor, pin 3 of the comparator is connected with pin P0 of the processor, pin 2 of the comparator is connected with resistor R1 and resistor R2 in series through a wire, resistor R1 is connected with resistor R2 in parallel, resistor R2 is connected with a positive 5V power supply, resistor R1 is connected with capacitor C1 and capacitor C2 in parallel, resistor R1, capacitor C1 and capacitor C2 are all grounded, pin 8 of the comparator is connected with a positive 5V power supply and resistor R3, resistor R3 is connected with pin 1 of the comparator, pin 1 of the comparator is an output end, pin 1 of the comparator is grounded through capacitor C3, and pin 4 of the comparator is grounded.
Preferably, the low-power silicon controlled trigger circuit comprises an MOC3022 chip and a resistor, wherein a pin 1 and a pin 2 of the MOC3022 chip are signal input ends, the pin 1 of the MOC3022 chip is connected with a positive 5V power supply through the resistor R10, a pin 6 of the MOC3022 chip is connected with an input end of a pulse transformer through the resistor R11, and a pin 4 of the MOC3022 chip is connected with the input end of the pulse transformer and is grounded.
Preferably, the triggering circuit of the high-power pulse transformer comprises a PC817 chip, a capacitor, a resistor, a triode and a diode, wherein a pin 1 of the PC817 chip is connected with a resistor R4, a resistor R5 and a resistor R6, the resistor R6 is connected with a positive 5V power supply, the resistor R4 is connected with a signal input end, a pin 2 of the PC817 chip is connected with a signal input end, the resistor R5 is connected between the two input ends, a pin 3 of the PC817 chip is connected with a resistor R7 and a base of the triode Q1, an emitter of the triode Q1 is connected with a cathode of a diode D1, an anode of the diode D1 is connected with the resistor R7, an anode of the diode D1 is grounded, an emitter of a base of the triode Q1 is connected with the input end of the pulse transformer through a wire, a pin 4 of the PC817 chip is connected with a collector of the triode Q1 and the resistor R686r 8, the resistor R8 is connected, the diode D3 is connected with the diode D2 in parallel, the diode D2 is connected with a P3 pin of the processor, the diode D3 is connected with the input end of the pulse transformer after being connected with the diode D2 in parallel, the negative electrode of the diode D2 is connected with the capacitor C4 and the resistor R9 in series, and the capacitor C4 and the resistor R9 are connected with each other in parallel and grounded.
Compared with the prior art, the beneficial effects of the utility model are that: this magnetic particle flaw detector is with singlechip control's silicon controlled rectifier phase shift trigger circuit, overall structure through equipment, make equipment can not cause the change to presetting conduction angle numerical value at arbitrary adjustment of rotary encoder switch after the shutdown, avoided the potentiometre maloperation after the shutdown to cause the too big risk of start-up silicon controlled rectifier conduction current, and rotary encoder switch can avoid voltage fluctuation or external disturbance to cause AD to read the unstability of potentiometre proportional signal, the biggest magnetizing current of accessible program restriction defectoscope simultaneously, avoid damaging equipment.
Drawings
Fig. 1 is a circuit diagram of the zero-crossing signal detection circuit of the present invention;
FIG. 2 is a diagram of the trigger circuit of the low power thyristor of the present invention;
fig. 3 is a circuit diagram of the high-power pulse transformer trigger circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a silicon controlled phase shift trigger circuit controlled by a single chip microcomputer for a magnetic particle flaw detector comprises the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector, the type of the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector is OMY-500, a zero-crossing signal detection circuit, a low-power silicon controlled trigger circuit, a high-power pulse transformer trigger circuit and a pulse transformer are arranged in the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector, the zero-crossing signal detection circuit and the pulse transformer are connected with a processor in the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector through leads, the processor adopts an 8-bit single chip microcomputer, the output ends of the low-power silicon controlled trigger circuit and the high-power pulse transformer trigger circuit, the P0 foot of treater is connected to foot 3 of comparator, the foot 2 of comparator passes through wire series resistance R1 and resistance R2, resistance R1 and resistance R2 are parallelly connected, resistance R2 connects positive 5V power, resistance R1 parallels electric capacity C1 and electric capacity C2, resistance R1, electric capacity C1 and electric capacity C2 all ground, positive 5V power and resistance R3 are connected to foot 8 of comparator, pin 1 of comparator is connected to resistance R3, pin 1 of comparator is the output, pin 1 of comparator passes through electric capacity C3 ground connection, pin 4 ground connection of comparator. The low-power silicon controlled rectifier trigger circuit has MOC3022 chip and resistance to constitute, MOC3022 chip foot 1 and foot 2 are signal input end, MOC3022 chip foot 1 connects positive 5V power through resistance R10, MOC3022 chip foot 6 passes through resistance R11 and connects pulse transformer input, pulse transformer input and ground are connected to MOC3022 chip foot 4. The high-power pulse transformer trigger circuit comprises a PC817 chip, a capacitor, a resistor, a triode and a diode, wherein a pin 1 of the PC817 chip is connected with a resistor R4, a resistor R5 and a resistor R6, the resistor R6 is connected with a positive 5V power supply, the resistor R4 is connected with a signal input end, a pin 2 of the PC817 chip is connected with the signal input end, the resistor R5 is connected between the two input ends, a pin 3 of the PC817 chip is connected with a resistor R7 and a base electrode of a triode Q1, an emitter electrode of the triode Q1 is connected with a cathode of a diode D1, a positive electrode of a diode D1 is connected with a resistor R7, a positive electrode of the diode D1 is grounded, a base electrode of the triode Q1 is connected with the input end of a pulse transformer through a lead, a pin 4 of the PC817 chip is connected with a collector electrode of the triode Q1 and the resistor R8, the resistor R8 is connected with a diode D3, the diode D46, the diode D2 is connected with a P3 pin of the processor, the diode D3 is connected with the input end of the pulse transformer after being connected with the diode D2 in parallel, the negative electrode of the diode D2 is connected with the capacitor C4 and the resistor R9 in series, and the capacitor C4 is connected with the resistor R9 in parallel and is grounded.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a magnetic particle flaw detector silicon controlled rectifier phase shift trigger circuit with single chip microcomputer control, includes magnetic particle flaw detector silicon controlled rectifier phase shift trigger circuit with single chip microcomputer control, its characterized in that: a zero-crossing signal detection circuit, a low-power silicon controlled trigger circuit, a high-power pulse transformer trigger circuit and a pulse transformer are arranged in the silicon controlled phase shift trigger circuit controlled by the single chip microcomputer for the magnetic particle flaw detector.
2. The silicon controlled phase shift trigger circuit controlled by the singlechip for the magnetic particle flaw detector according to claim 1, characterized in that: the zero-crossing signal detection circuit and the pulse transformer are connected with a processor in a silicon controlled phase-shifting trigger circuit controlled by a single chip microcomputer for the magnetic particle flaw detector through leads, and the output ends of the low-power silicon controlled phase-shifting trigger circuit and the high-power pulse transformer trigger circuit are connected with the processor.
3. The silicon controlled phase shift trigger circuit controlled by the singlechip for the magnetic particle flaw detector according to claim 1, characterized in that: zero cross signal detection circuit comprises comparator, resistance and electric capacity, the P0 foot of the 3 connection processors of foot of comparator, 2 foot of comparator pass through wire series resistance R1 and resistance R2, resistance R1 and resistance R2 are parallelly connected, positive 5V power is connected to resistance R2, resistance R1 parallels capacitance C1 and capacitance C2, resistance R1, capacitance C1 and capacitance C2 all ground, positive 5V power and resistance R3 are connected to foot 8 of comparator, the foot 1 of comparator is connected to resistance R3, the foot 1 of comparator is the output, the foot 1 of comparator is through electric capacity C3 ground connection, the foot 4 ground connection of comparator.
4. The silicon controlled phase shift trigger circuit controlled by the singlechip for the magnetic particle flaw detector according to claim 1, characterized in that: the low-power silicon controlled rectifier trigger circuit has MOC3022 chip and resistance to constitute, MOC3022 chip foot 1 and foot 2 are signal input end, MOC3022 chip foot 1 connects positive 5V power through resistance R10, MOC3022 chip foot 6 passes through resistance R11 and connects pulse transformer input, pulse transformer input and ground are connected to MOC3022 chip foot 4.
5. The silicon controlled phase shift trigger circuit controlled by the singlechip for the magnetic particle flaw detector according to claim 1, characterized in that: the high-power pulse transformer trigger circuit comprises a PC817 chip, a capacitor, a resistor, a triode and a diode, wherein a pin 1 of the PC817 chip is connected with a resistor R4, a resistor R5 and a resistor R6, the resistor R6 is connected with a positive 5V power supply, the resistor R4 is connected with a signal input end, a pin 2 of the PC817 chip is connected with the signal input end, the resistor R5 is connected between the two input ends, a pin 3 of the PC817 chip is connected with a resistor R7 and a base electrode of a triode Q1, an emitter electrode of the triode Q1 is connected with a cathode of a diode D1, a positive electrode of a diode D1 is connected with a resistor R7, a positive electrode of the diode D1 is grounded, a base electrode of the triode Q1 is connected with the input end of a pulse transformer through a lead, a pin 4 of the PC817 chip is connected with a collector electrode of the triode Q1 and the resistor R8, the resistor R8 is connected with a diode D3, the diode D46, the diode D2 is connected with a P3 pin of the processor, the diode D3 is connected with the input end of the pulse transformer after being connected with the diode D2 in parallel, the negative electrode of the diode D2 is connected with the capacitor C4 and the resistor R9 in series, and the capacitor C4 is connected with the resistor R9 in parallel and is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063228.XU CN210119689U (en) | 2019-12-31 | 2019-12-31 | Single chip microcomputer controlled silicon controlled phase shift trigger circuit for magnetic particle flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063228.XU CN210119689U (en) | 2019-12-31 | 2019-12-31 | Single chip microcomputer controlled silicon controlled phase shift trigger circuit for magnetic particle flaw detector |
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| Publication Number | Publication Date |
|---|---|
| CN210119689U true CN210119689U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921063228.XU Expired - Fee Related CN210119689U (en) | 2019-12-31 | 2019-12-31 | Single chip microcomputer controlled silicon controlled phase shift trigger circuit for magnetic particle flaw detector |
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| CN (1) | CN210119689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064402A (en) * | 2021-03-25 | 2021-07-02 | 盐城工学院 | Data checking circuit and system between multi-core single-chip microcomputer of magnetic particle flaw detector |
| CN113556044A (en) * | 2021-08-03 | 2021-10-26 | 洛阳Lyc轴承有限公司 | Connection method of alternating current 90-degree phase difference circuit for magnetic particle flaw detector |
-
2019
- 2019-12-31 CN CN201921063228.XU patent/CN210119689U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113064402A (en) * | 2021-03-25 | 2021-07-02 | 盐城工学院 | Data checking circuit and system between multi-core single-chip microcomputer of magnetic particle flaw detector |
| CN113064402B (en) * | 2021-03-25 | 2021-10-26 | 盐城工学院 | Data checking circuit and system between multi-core single-chip microcomputer of magnetic particle flaw detector |
| CN113556044A (en) * | 2021-08-03 | 2021-10-26 | 洛阳Lyc轴承有限公司 | Connection method of alternating current 90-degree phase difference circuit for magnetic particle flaw detector |
| CN113556044B (en) * | 2021-08-03 | 2024-04-26 | 洛阳轴承集团股份有限公司 | Connection method of alternating current 90-degree phase difference circuit for magnetic particle inspection machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 Termination date: 20201231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |