CN208706362U

CN208706362U - A kind of 380V electricity permanent magnetic controller device of simple low-power consumption

Info

Publication number: CN208706362U
Application number: CN201821656348.6U
Authority: CN
Inventors: 陈松
Original assignee: Hunan Institute of Science and Technology
Current assignee: Hunan Institute of Science and Technology
Priority date: 2018-10-12
Filing date: 2018-10-12
Publication date: 2019-04-05
Anticipated expiration: 2028-10-12

Abstract

The utility model provides a kind of 380V electricity permanent magnetic controller device of simple low-power consumption, it is related to power electronics field, including zero crossing detection module equipment, fill demagnetization power module equipment, trigger unit for thyristor equipment, current detecting equipment, display module equipment and main control module equipment, the zero crossing detection module equipment is made of mutual inductor DL-PT202D sample circuit and LM239 shaping circuit, the current detecting equipment is made of Hall current sensor circuit and low-pass filter circuit, the display module equipment is by RS485, LCD display and key are constituted, the zero crossing detection module equipment is made of STM32F103 and peripheral circuit, the zero crossing detection module equipment, fill demagnetization power module equipment, trigger unit for thyristor equipment, current detecting is set It is standby, connect with main control module equipment, the utility model accurately can fill demagnetization operation to electric permanent magnetism ontology, and can be arranged by key and fill demagnetization current, realize the magnetic force size adjustment of electric permanent magnetism.

Description

A kind of 380V electricity permanent magnetic controller device of simple low-power consumption

Technical field

The utility model relates to power electronics fields, and in particular to a kind of 380V electricity permanent magnetism control of simple low-power consumption Device device.

Background technique

Electric permanent magnetic controller is extensive in the industrial applications such as precision machine tool and electromagnet, electricity permanent magnetism currently sold on the market The control performance of controller is poor, and energy consumption is high, and under the operating condition of some complexity, can not adapt to.Therefore it needs A kind of 380V electricity permanent magnetic controller device of simple low-power consumption, the device have high-precision, without temperature rise, low energy consumption and operation side Just the advantages of.

Utility model content

The purpose of this utility model is to provide a kind of low-power consumption, practical and simple low-power consumption with high accuracy 380V electricity permanent magnetic controller device.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a kind of simple low function The 380V electricity permanent magnetic controller device of consumption, including zero crossing detection module equipment, fill demagnetization power module equipment, control machines mould Block device, current detecting equipment, display module equipment and main control module equipment, the zero crossing detection module equipment connection, which is filled, moves back Magnetic power module device, fills demagnetization power module equipment connection trigger unit for thyristor equipment, and trigger unit for thyristor equipment connects Current detecting equipment is connect, zero crossing detection module equipment fills demagnetization power module equipment, trigger unit for thyristor equipment, electric current inspection Measurement equipment is connect with main control module equipment again, and main control module equipment is connect with display module equipment.

As a further solution of the present invention: the zero crossing detection module equipment is sampled by mutual inductor DL-PT202D Circuit and LM239 shaping circuit are constituted, one end of 380V alternating current 380V-A connection resistance R147, and the other end of resistance R147 connects It connects 380V input voltage, is gone here and there between resistance R147 and 380V input voltage with the side of current mode voltage transformer DL-PT202D Connection, the other end of current mode voltage transformer DL-PT202D is in parallel with resistance R150, and one end of resistance R150 is with resistance R144's One end connection, the other end of resistance R144 are connected with+3.3V circuit, one end of resistance R150 also with another resistance R144 one End connection, publicly GND, the other end of resistance R150 connect one end of resistance R151, resistance for the other end connection of resistance R144 The other end of R151 is connect with the 2nd port of four voltage comparator LM239, and the 3rd of resistance R151 and four voltage comparator LM239 the It is parallel with capacitor C103 between port, resistance R149, four voltage comparator LM239 are parallel between capacitor C103 and resistance R150 The 8th port connection 5V of the connection of the 4th port publicly GND, four voltage comparator LM239 access circuit VCC+5V.

The demagnetization power module equipment of filling is examined by rectification circuit, zero passage as a further solution of the present invention, Survey with controllable silicon drive circuit constitute, 380V AC-input voltage respectively with synchronous buck transformer and half-wave thyristor rectifier One end connection, the other end of synchronous buck transformer connect with one end of four voltage comparator LM239, four voltage comparators The other end of LM239 connects 32 ARM microcontroller STM32F103；The other end of half-wave thyristor rectifier respectively with load It is connected with one end of silicon controlled trigger transformer KCB6743, the other end of silicon controlled trigger transformer KCB6743 connects golden oxygen half One end of field-effect transistor MOSFET connects, and the other end of metal-oxide half field effect transistor MOSFET connects 32 ARM microcontrollers STM32F103；Pass through the Hall current sensor HBC-LTS-3.3 of connection and 32 between load and half-wave thyristor rectifier ARM microcontroller STM32F103 connection.

The trigger unit for thyristor equipment is by STM32F103 and outer as a further solution of the present invention, Circuit composition is enclosed, double power supply automatic transfer switch GQ1 is connect with one end of resistance R138, and the other end connection of resistance R138 is public Ground GND connection, resistance R138 by connection triode IRFR/U120N connection diode FR107, diode FR107 with controllably Silicon triggers the side series connection of transformer KCB6743A, the other side of silicon controlled trigger transformer KCB6743A and diode FR107 One end connection, the other end of diode FR107 connect with triode G1, the other side of silicon controlled trigger transformer KCB6743A It is also connect with the end A1, diode FR107, capacitor C146 and resistance R135 is parallel between triode G1 and A1.

The current detecting equipment is by Hall current sensor circuit and low as a further solution of the present invention, Bandpass filter circuit is constituted, the 1st port, the 2nd port and the 3rd port of the Hall current sensor B with 380V three-phase electricity respectively It is connected, the 4th port, the 5th port and the 6th port of Hall current sensor are connect with input voltage 380V, and Hall current passes 7th port of sensor is connect with one end of resistance R133, and the other end of resistance R133 is connect with one end of resistance R134, resistance The other end of R134 is connect with analog-digital converter ADC A, and capacitor C138, resistance are connected between resistance R133 and resistance R134 Capacitor C139, capacitor C138 and capacitor C139 is connected between R134 and analog-digital converter ADC A to connect with publicly GND, 8th port of Hall current sensor connects publicly GND, one end of the 9th port and capacitor C135 of Hall current sensor Connection, the other end of capacitor C135 connect publicly GND, are parallel with capacitor C136 on capacitor C135.

Compared with prior art, the utility model has the beneficial effects that the controller of the utility model uses TM32F103 Design, control output level can change the conducting of SCR Trigger Angle, and so as to export different pressure values, which adds to line Circle load is upper to make sucker magnetize, according to different operating environment and the ontology of different size, fill demagnetization current can by by Key is configured, which has the function of current monitoring, exports analog quantity by Hall current sensor, certainly through STM32F103 Present current value is shown after A/D converter processing, then through display module.This dispatch from foreign news agency permanent magnetic controller also has long-range control Function, and may be implemented that multimachine is online and multichannel is expanded, the 380V electricity permanent magnetic controller device energy of this simple low-power consumption It is enough that demagnetization operation accurately is filled to electric permanent magnetism ontology, and can be arranged by key and fill demagnetization current, realize the magnetic of electric permanent magnetism The adjustment of power size.

Detailed description of the invention

By reading the detailed description done with reference to the following drawings to non-limiting embodiment, other of the utility model are special Advantage of seeking peace will be more obvious:

Fig. 1 is that a kind of system of the 380V electricity permanent magnetic controller device of simple low-power consumption of utility model constitutes connection figure；

Fig. 2 is a kind of principle of the zero cross detection circuit of the 380V electricity permanent magnetic controller device of simple low-power consumption of utility model Figure；

Fig. 3 is that a kind of 380V electricity permanent magnetic controller device of simple low-power consumption of utility model fills demagnetization power module circuit Schematic diagram；

Fig. 4 is a kind of original of the thyristor gating circuit of the 380V electricity permanent magnetic controller device of simple low-power consumption of utility model Reason figure；

Fig. 5 is a kind of principle of the current detection circuit of the 380V electricity permanent magnetic controller device of simple low-power consumption of utility model Figure.

In figure: 1- zero crossing detection module equipment, 2- fill demagnetization power module equipment, 3- trigger unit for thyristor equipment, 4- Current detecting equipment, 5- display module equipment, 6- main control module equipment.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, present embodiments providing a kind of 380V electricity permanent magnetic controller device of simple low-power consumption, including zero passage Detection module equipment 1 fills demagnetization power module equipment 2, trigger unit for thyristor equipment 3, current detecting equipment 4, display module Equipment 5 and main control module equipment 6, the zero crossing detection module equipment 1 is by mutual inductor DL-PT202D sample circuit and LM239 Shaping circuit is constituted, and the demagnetization power module equipment 2 of filling is made of rectification circuit, zero passage detection and controllable silicon drive circuit, The current detecting equipment 4 is made of Hall current sensor circuit and low-pass filter circuit, the display module equipment 5 by RS485, LCD display and key are constituted, and the trigger unit for thyristor equipment 3 is by STM32F103 and peripheral circuit structure At；

The connection relationship of the utility model are as follows: demagnetization power module equipment 2 is filled in the connection of zero crossing detection module equipment 1, It fills demagnetization power module equipment 2 and connects trigger unit for thyristor equipment 3, trigger unit for thyristor equipment 3 connects current detecting and sets Standby 4, zero crossing detection module equipment 1 fills demagnetization power module equipment 2, trigger unit for thyristor equipment 3, current detecting equipment 4 again It is connect with main control module equipment 6, main control module equipment 6 is connect with display module equipment 5；

Referring to Fig. 2, the connection relationship of zero crossing detection module equipment 1 are as follows: the zero crossing detection module equipment 1 is by mutual inductor DL-PT202D sample circuit and LM239 shaping circuit are constituted, one end of 380V alternating current 380V-A connection resistance R147, resistance The other end of R147 connects 380V input voltage, between resistance R147 and 380V input voltage with current mode voltage transformer DL- The side of PT202D is connected, and the other end of current mode voltage transformer DL-PT202D is in parallel with resistance R150, and the one of resistance R150 End is connect with one end of resistance R144, and the other end of resistance R144 is connected with+3.3V circuit, one end of resistance R150 also with it is another One end of a resistance R144 connects, and publicly GND, the other end of resistance R150 connect resistance for the other end connection of resistance R144 One end of R151, the other end of resistance R151 are connect with the 2nd port of four voltage comparator LM239, resistance R151 and four voltages It is parallel with capacitor C103 between the 3rd port of comparator LM239, resistance R149 is parallel between capacitor C103 and resistance R150, Publicly GND, the 8th port connection 5V of four voltage comparator LM239 are accessed for the 4th port connection of four voltage comparator LM239 Circuit VCC+5V；For system when waveform is changed by positive axis to negative semiaxis, the detection carried out when crossing zero-bit to it is referred to as zero passage Detection can be used as switching circuit or frequency detecting part, and the detection of electrical leakage of leakage switch is detection zero-sequence current.It crosses Zero detection circuit using transformer isolation design scheme, using DL-PT202D current mode voltage transformer as core devices. Voltage is inputted from transformer inputs, and after current-limiting resistance carries out current limliting processing, electric current is coupled to secondary in a manner of 1:1, The acquisition of voltage is realized by the output termination amplifier of mutual inductor again, is surveyed to realize high pressure to the isolation of low pressure and conversion Amount.Due to the zero crossing mainly for detection of 380V voltage, the size of real-time voltage value is not needed, therefore uses route Simply, external power supply, inexpensive resistance sampling method design are not needed.The signal that the circuit samples mutual inductor DL-PT202D Output is to control circuit, because only considering that zero crossing rising edge, circuit are powered using single supply, 1% precision after LM239 shaping Electric resistance partial pressure provides LM239 bias reference voltage；

Referring to Fig. 3, filling the connection relationship of demagnetization power module equipment 2 are as follows: the demagnetization power module equipment 2 of filling is by whole Current circuit, zero passage detection and controllable silicon drive circuit are constituted, and 380V AC-input voltage is respectively with synchronous buck transformer and partly One end of wave silicon controlled rectifier (SCR) connects, and the other end of synchronous buck transformer is connect with one end of four voltage comparator LM239, The other end of four voltage comparator LM239 connects 32 ARM microcontroller STM32F103；Punching demagnetization power module circuit is opposite There is vital effect in this controller, it provides exciting current and demagnetization current, and the quality of design directly will be direct Can influence electric permanent magnetic controller normally work.This module is mainly by rectification circuit, zero passage detection and controllable silicon drive circuit Composition, the circuit identify zero crossing and extraneous triggering command by master control, so transmission trigger pulse through MOSFET, KCB6743 controls controlled silicon conducting, exports current feedback to master control finally by current sensing device HBC-LTS-3.3 detection AD.The design has feedback control theory, realizes the various functions requirement of product well；

Referring to Fig. 4, the connection relationship of trigger unit for thyristor equipment 3 are as follows: the trigger unit for thyristor equipment 3 by STM32F103 and peripheral circuit are constituted, and double power supply automatic transfer switch GQ1 is connect with one end of resistance R138, resistance R138 The other end connect publicly GND connection, resistance R138 by connect triode IRFR/U120N connection diode FR107, Diode FR107 connects with the side of silicon controlled trigger transformer KCB6743A, and silicon controlled trigger transformer KCB6743A's is another Side is connect with one end of diode FR107, and the other end of diode FR107 is connect with triode G1, control machines transformation The other side of device KCB6743A is also connect with the end A1, and diode FR107, capacitor C146 and electricity are parallel between triode G1 and A1 Hinder R135；Using the lesser N-channel MOS pipe of conducting resistance as switching tube, conduction loss is reduced, the MOS compared with transistor Pipe belongs to voltage controlled element, only needs lesser electric current that can turn it on, metal-oxide-semiconductor can bear biggish source under working condition Electrode current, and there is reverse protection diode, it ensure that the performance of circuit, improve the stability and reliability of circuit.It is anti-full With diode and freewheeling diode be all made of it is fast restore FR107, with general-purpose diode compared with faster resume speed with And more preferably performance；

Referring to Fig. 5, the connection relationship of current detecting equipment 4 are as follows: the current detecting equipment 4 is by Hall current sensor Circuit and low-pass filter circuit are constituted, the 1st port, the 2nd port and the 3rd port of Hall current sensor respectively with 380V tri- Mutually the B of electricity is connected, and the 4th port, the 5th port and the 6th port of Hall current sensor are connect with input voltage 380V, Hall 7th port of current sensor is connect with one end of resistance R133, and the other end of resistance R133 is connect with one end of resistance R134, The other end of resistance R134 is connect with analog-digital converter ADC A, and capacitor C138 is connected between resistance R133 and resistance R134, electricity Capacitor C139, capacitor C138 and capacitor C139 is connected between resistance R134 and analog-digital converter ADC A to connect with publicly GND It connects, the 8th port of Hall current sensor connects publicly GND, the 9th port of Hall current sensor and the one of capacitor C135 End connection, the other end of capacitor C135 connect publicly GND, are parallel with capacitor C136 on capacitor C135；The design of circuit system It being designed in line with the principle that strong and weak electricity is strictly isolated, Hall element belongs to active device, for convenience the processing of isolation and power supply, The project uses thickness to apply product Hall current sensor HBC-LTS-3.3.HBC-LTS-3.3 is a supply voltage 3.3V The current sensor that can be worked normally, supply voltage and main control chip are derived from same power supply chip, facilitate circuit every From the anti-interference ability that processing improves circuit.Low-pass filter is passed through smoothly by the voltage signal of current sensor output Reason inputs main control chip AD, the work of safeguards system circuit stability；

The controller of the utility model is designed using TM32F103, and control output level can change leading for SCR Trigger Angle Logical, so as to export different pressure values, which is added to make sucker magnetize on coil load, according to different operating environment And the ontology of different size, filling demagnetization current can be configured by key, which has the function of current monitoring, by suddenly You export analog quantity by current sensor, show currently after STM32F103 carries A/D converter processing, then through display module Current value, this dispatch from foreign news agency permanent magnetic controller also have remote control function, and may be implemented that multimachine is online and multichannel is expanded.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims

1. a kind of 380V electricity permanent magnetic controller device of simple low-power consumption, including zero crossing detection module equipment (1), fill demagnetization power Module device (2), trigger unit for thyristor equipment (3), current detecting equipment (4), display module equipment (5) and main control module Equipment (6), it is characterised in that: demagnetization power module equipment (2) is filled in zero crossing detection module equipment (1) connection, fills demagnetization function Rate module device (2) connects trigger unit for thyristor equipment (3), and trigger unit for thyristor equipment (3) connects current detecting equipment (4), zero crossing detection module equipment (1), fill demagnetization power module equipment (2), trigger unit for thyristor equipment (3), current detecting Equipment (4) is connect with main control module equipment (6) again, and main control module equipment (6) is connect with display module equipment (5).

2. a kind of 380V electricity permanent magnetic controller device of simple low-power consumption according to claim 1, it is characterised in that: described Zero crossing detection module equipment (1) is made of mutual inductor DL-PT202D sample circuit and LM239 shaping circuit, 380V alternating current One end of 380V-A connection resistance R147, the other end of resistance R147 connect 380V input voltage, and resistance R147 and 380V are inputted It connects between voltage with the side of current mode voltage transformer DL-PT202D, current mode voltage transformer DL-PT202D's is another To hold in parallel with resistance R150, one end of resistance R150 is connect with one end of resistance R144, and the other end of resistance R144 is connected with+ 3.3V circuit, one end of resistance R150 are also connect with one end of another resistance R144, and the other end connection of resistance R144 is public One end of the other end connection resistance R151 of ground GND, resistance R150, the other end of resistance R151 and four voltage comparator LM239 The 2nd port connection, capacitor C103, capacitor C103 are parallel between resistance R151 and the 3rd port of four voltage comparator LM239 Resistance R149 is parallel between resistance R150, the 4th port of four voltage comparator LM239 connects publicly GND, four voltage ratios The 8th port connection 5V compared with device LM239 accesses circuit VCC+5V.

3. a kind of 380V electricity permanent magnetic controller device of simple low-power consumption according to claim 1, it is characterised in that: described It fills demagnetization power module equipment (2) to be made of rectification circuit, zero passage detection and controllable silicon drive circuit, 380V AC-input voltage It is connect respectively with one end of synchronous buck transformer and half-wave thyristor rectifier, the other end of synchronous buck transformer and four electricity One end connection of comparator LM239 is pressed, the other end of four voltage comparator LM239 connects 32 ARM microcontrollers STM32F103；The other end of half-wave thyristor rectifier connects with one end of load and silicon controlled trigger transformer KCB6743 respectively It connects, one end connection of the other end connection metal-oxide half field effect transistor MOSFET of silicon controlled trigger transformer KCB6743, golden oxygen half The other end of field-effect transistor MOSFET connects 32 ARM microcontroller STM32F103；Load and half-wave thyristor rectifier it Between by connection Hall current sensor HBC-LTS-3.3 connect with 32 ARM microcontroller STM32F103.

4. a kind of 380V electricity permanent magnetic controller device of simple low-power consumption according to claim 1, it is characterised in that: described Trigger unit for thyristor equipment (3) is made of STM32F103 and peripheral circuit, double power supply automatic transfer switch GQ1 and resistance One end of R138 connects, and the other end of resistance R138 connects publicly GND connection, the triode that resistance R138 passes through connection IRFR/U120N connection diode FR107, diode FR107 connect with the side of silicon controlled trigger transformer KCB6743A, can The other side of control silicon triggering transformer KCB6743A is connect with one end of diode FR107, the other end of diode FR107 and three Pole pipe G1 connection, the other side of silicon controlled trigger transformer KCB6743A is also connect with the end A1, in parallel between triode G1 and A1 There are diode FR107, capacitor C146 and resistance R135.

5. a kind of 380V electricity permanent magnetic controller device of simple low-power consumption according to claim 1, it is characterised in that: described Current detecting equipment (4) is made of Hall current sensor circuit and low-pass filter circuit, the 1st end of Hall current sensor Mouth, the 2nd port and the 3rd port are connected with the B of 380V three-phase electricity respectively, the 4th port, the 5th port of Hall current sensor It is connect with the 6th port with input voltage 380V, the 7th port of Hall current sensor is connect with one end of resistance R133, resistance The other end of R133 is connect with one end of resistance R134, and the other end of resistance R134 is connect with analog-digital converter ADC A, resistance It is connected between R133 and resistance R134 between capacitor C138, resistance R134 and analog-digital converter ADC A and is connected with capacitor C139, Capacitor C138 and capacitor C139 are connect with publicly GND, and the 8th port of Hall current sensor connects publicly GND, Hall 9th port of current sensor is connect with one end of capacitor C135, and the other end of capacitor C135 connects publicly GND, capacitor Capacitor C136 is parallel on C135.