CN110071015A - A kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity - Google Patents

A kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity Download PDF

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Publication number
CN110071015A
CN110071015A CN201910415238.3A CN201910415238A CN110071015A CN 110071015 A CN110071015 A CN 110071015A CN 201910415238 A CN201910415238 A CN 201910415238A CN 110071015 A CN110071015 A CN 110071015A
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China
Prior art keywords
pin
connect
resistance
power supply
diode
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Granted
Application number
CN201910415238.3A
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Chinese (zh)
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CN110071015B (en
Inventor
赵龙
吴子睿
艾长盛
张光良
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Shenyang Rui Jie Power Tech Corp Inc
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Shenyang Rui Jie Power Tech Corp Inc
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Priority to CN201910415238.3A priority Critical patent/CN110071015B/en
Publication of CN110071015A publication Critical patent/CN110071015A/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/32—Energising current supplied by semiconductor device

Abstract

The invention discloses the quick alternating current-direct current switching devices of bypass type that a kind of anti-contactor shakes electricity, turn direct current 15V low ripple reduction voltage circuit including alternating current 220V, super capacitor charge/discharge, system fast powering-up switching circuit, detect alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry, the mutual fast switch circuit of AC-DC voltage, dry contact output circuit, internal by-pass relay circuit and single-chip microcontroller, when alternating current occurs to shake electricity or abnormal interrupt situation, the present apparatus can continual offer direct current, the dry contact signal that output port can also shield that frequency converter provides simultaneously can also be with external 12V DC relay, internal by-pass relay is accessed while this equipment breaks down, guarantee that equipment fault rear class other equipment circuit still can work normally.The device can stop device have defencive function to industry spot, and has the features such as small in size, charging is fast, and long service life, switch speed is fast, and AC phases incision excision is identical.

Description

A kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity
Technical field
The present invention relates to technical field of electric equipment, and in particular to a kind of anti-contactor shakes the quick alternating current-direct current of bypass type of electricity Switching device.
Background technique
Electric system in factory in the process of running, often due to lightning stroke, shorted to earth, failure reclosing, standby electricity From reasons such as throwing, abnormal, the large scale equipment startings of power grid, causes network voltage instantaneously to fall and restore normal phenomenon, this electricity Pressure moment fluctuate by a relatively large margin or referred to as voltage sag conditions the phenomenon that power interruption recovering, also known as shakes electric.
Electrical phenomena is shaken to the enterprise for requiring large number of equipment not allow motor tripping grinder in process flow in continuous production Industry is catastrophic, is then gently economic loss, reduces production efficiency, heavy then it also occur that fire, explosion or even personal safety.City Existing A.C. contactor can not be kept in contact the contact condition of coil when occurring and shaking electricity on field, so as to cause rear class mould Phenomena such as block stops working and electric spark occurs.With various grid modes be growing and supply transformer capacity increase band The phenomenon that increase of the output loop come, power supply instantaneous loss of pressure is " shaking electricity ", is more and more frequent, the reason is that adjacent loop failure Caused voltage fluctuation probability increases.Maximum length in time is usually the mute time of error protection, about 200 milliseconds with Under, also there is protection element to have little time the instantaneous loss of pressure special circumstances of movement.The input voltage holding of A.C. contactor is substantially wanted Seeking Truth: not less than 45%, either the decompression time is not more than 60 milliseconds to voltage.For such because of contactor line caused by " shake electricity " Circle is not attracted, and custom microprocessor self-starting equipment is helpless, because the voltage that fault time is less than microprocessor is adopted Collect cycle time and can not identify.
Summary of the invention
In view of the problems of the existing technology, the present invention provides one kind and exports just in the case where occurring and shaking electricity or power-off Negative dc voltage, still can be allowed after switching plain edition A.C. contactor hold-in winding inhale and, to maintain each mould of rear class Block works normally, and can shield dry contact signal that frequency converter provides can also be with external 12V DC relay, it is therefore an objective to can give External many dry contacts are acted out, while accessing internal by-pass relay while this equipment breaks down, and guarantee to set Standby failure late-class circuit still can work normally.
The present invention provides a kind of quick alternating current-direct current switching device of bypass type of anti-contactor rolling electricity, including alternating current 220V turns straight Flow 15V low ripple reduction voltage circuit, super capacitor charge/discharge, system fast powering-up switching circuit, detection alternating current 220V decaying Voltage value and positive and negative half-wave decision circuitry, the mutual fast switch circuit of AC-DC voltage, dry contact output circuit, interior radical Road relay circuit and single-chip microcontroller；
The alternating current 220V turns direct current 15V low ripple reduction voltage circuit and fills respectively with system power switch circuit, super capacitor Discharge circuit and detection alternating current 220V evanescent voltage value are connected with positive and negative half-wave decision circuitry；The super capacitor charge and discharge electricity Road is connect with system fast powering-up switching circuit；The system fast powering-up switching circuit and AC-DC voltage are mutually quick Switching circuit.The detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry are connect with single-chip microcontroller, the single-chip microcontroller It is connect respectively with the mutual fast switch circuit of AC-DC voltage, dry contact output circuit and internal by-pass relay circuit；
Alternating current 220V turns direct current 15V low ripple reduction voltage circuit, super capacitor charge/discharge, system fast powering-up switch electricity Road, detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry, are done the mutual fast switch circuit of AC-DC voltage Contact output circuit, internal by-pass relay circuit and single-chip microcontroller；
The alternating current 220V turns direct current 15V low ripple reduction voltage circuit and fills respectively with system power switch circuit, super capacitor Discharge circuit and detection alternating current 220V evanescent voltage value are connected with positive and negative half-wave decision circuitry；The super capacitor charge and discharge electricity Road is connect with system fast powering-up switching circuit；The system fast powering-up switching circuit and AC-DC voltage are mutually quick Switching circuit connection；The detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry are connect with single-chip microcontroller, the list Piece machine respectively with the mutual fast switch circuit of AC-DC voltage, dry contact output circuit and internal by-pass relay circuit Connection.
The alternating current 220V turn the low literary wave reduction voltage circuit of direct current 15V include: power module, step-down capacitor, buck inductor, First buck diode, the second buck diode；
The 5th pin, the 6th pin of the power module are connect with one end of buck inductor, the buck inductor The other end respectively with one end of step-down capacitor, the cathode of the first buck diode, the anode of the second buck diode and first The anode of diode connects, the other end of the step-down capacitor, the first buck diode anode with the third of power module Pin and the connection of the 4th pin；Three pin of ground and the 4th pin of the power module are also connected to ground, second decompression The cathode of diode is connect with the input terminal of system fast powering-up switching circuit.
The super capacitor charge/discharge includes:
First current-limiting resistance to the 5th current-limiting resistance, first diode to the 4th diode, super capacitor group, the first partial pressure Resistance, the second divider resistance, super capacitor switching circuit of power supply；
The cathode of first diode is separately connected one end of first the-the five current-limiting resistance of current-limiting resistance, and described first The other end of five current-limiting resistance of current-limiting resistance-the is defeated with one end of super capacitor group and super capacitor switching circuit of power supply Enter end connection, first divider resistance is connected in parallel on capacitance group both ends, the super capacitor after connecting with the second divider resistance The other end ground connection of group, the output end of the super capacitor switching circuit of power supply are connect with system fast powering-up switching circuit, The control terminal of the super capacitor switching circuit of power supply is connect with single-chip microcontroller.
The super capacitor group includes:
First super capacitor to the 6th super capacitor, the first balance resistance to the 6th balance resistance；
The first capacitor is connect with the other end of the first current-limiting resistance to the 5th current-limiting resistance, first super capacitor It is sequentially connected in series to the 6th super capacitor, first super capacitor to a 6th super capacitor balance resistance in parallel.
The super capacitor switching circuit of power supply includes: first resistor, second resistance, the first metal-oxide-semiconductor, the second diode To the 4th diode, the first triode；
The input terminal of the super capacitor switching circuit of power supply is connect with the source electrode of first resistor, the first metal-oxide-semiconductor respectively, The other end of the first resistor is connect with the collector of the grid of the first metal-oxide-semiconductor, the first triode respectively, first three-level The emitter of pipe is connect with the earth, and the base stage of first triode is connect with the cathode of the 4th diode, the four or two pole The anode of pipe and one end of second resistance connect, and the other end of the second resistance is connect with single-chip microcontroller, first metal-oxide-semiconductor Drain electrode is connect with the anode of the anode of the second diode and third diode respectively, the cathode of second diode and the The cathode of three diodes is connect with the input terminal of system fast powering-up switching circuit.
The system fast powering-up switching circuit includes:
Electrification circuit first resistor to the 5th resistance of electrification circuit, electrification circuit triode, electrification circuit diode, power on Circuit metal-oxide-semiconductor；
The source electrode of the electrification circuit metal-oxide-semiconductor is connect with the system overall situation, the drain electrode of the electrification circuit metal-oxide-semiconductor and powers on electricity One end of road first resistor connects, the other end of the electrification circuit first resistor respectively with the grid of electrification circuit metal-oxide-semiconductor with The collector of electrification circuit triode connects；The emitter of the electrification circuit triode is connected to ground, the electrification circuit three The ground level of pole pipe is connect with the cathode of electrification circuit diode, the second electricity of anode and electrification circuit of the electrification circuit diode One end of resistance connects, the other end of the electrification circuit second resistance respectively with one end of electrification circuit 3rd resistor, single-chip microcontroller Connection, the other end of the electrification circuit 3rd resistor are electric with one end of the 4th resistance of electrification circuit, electrification circuit the 5th respectively One end of resistance connects, and the other end of the 4th resistance of electrification circuit is connect with 15V power supply, the 5th resistance of electrification circuit The other end is connected to ground.
The detection alternating current 220V evanescent voltage value and the main operational amplifier of positive and negative half-wave decision circuitry use are TLE20221。
The mutual fast switch circuit of AC-DC voltage includes:
Alternating voltage fast switch circuit, DC voltage fast switch circuit；The alternating voltage fast switch circuit Output end be connected with the output end of DC voltage fast switch circuit；
The exchange fast switch circuit includes: the first isolated power supply module to the 4th isolated power supply module, first capacitor To the 13rd capacitor, the first load resistance to the 4th load resistance, the first photoelectrical coupler to the 4th photoelectrical coupler, second Metal-oxide-semiconductor is to the 5th metal-oxide-semiconductor, 3rd resistor to the 14th resistance and the 5th diode to the 12nd diode；
First pin of the first isolated power supply module is connected to ground, the second pin of the first isolated power supply module be It unites power supply connection, the first capacitor is connected in parallel between the first pin and second pin of the first isolated power supply module, and described the Two capacitors and the first load resistance are connected in parallel between the 4th pin and the 5th pin of the first isolated power supply module, and described first 5th pin of isolated power supply module is connect with the 8th pin of the first photoelectrical coupler, and the of the first isolated power supply module Four pins are isolator connect with first；
The second pin of first photoelectrical coupler and one end of 3rd resistor connect, the other end of the 3rd resistor It is connect with single-chip microcontroller, the third pin of first photoelectrical coupler and the ground of single-chip microcontroller connect, first photoelectrical coupler The 5th pin isolator connect with first, the 8th pin of first photoelectrical coupler also with one end of third capacitor connect It connects, the other end of the third capacitor is isolator connect with first, and the 6th pin of first photoelectrical coupler draws with the 7th Foot is connect with the cathode of one end of the 4th resistance, the 5th diode respectively, and the other end of the 4th resistance is respectively with the five or two The grid connection of the anode of pole pipe, one end of the 5th resistance, the second metal-oxide-semiconductor, the other end, the second metal-oxide-semiconductor of the 5th resistance Source electrode and the anode of the 6th diode isolator connect with first, the drain electrode of second metal-oxide-semiconductor and 220V alternating current The connection of the end L, the cathode of the 6th diode and load connect；
First pin of the second isolated power supply module is connected to ground, the second pin of the second isolated power supply module be It unites power supply connection, the 4th capacitor is connected in parallel between the first pin and second pin of the second isolated power supply module, and described the Five capacitor C52 and the second load resistance are connected in parallel between the 4th pin and the 5th pin of the second isolated power supply module, described 5th pin of the second isolated power supply module is connect with the 8th pin of the second photoelectrical coupler, the second isolated power supply module The 4th pin isolator connect with second；
The second pin of second photoelectrical coupler is connect with one end of the 6th resistance, the other end of the 6th resistance It is connect with single-chip microcontroller, the third pin of second photoelectrical coupler and the ground of single-chip microcontroller connect, second photoelectrical coupler The 5th pin isolator connect with second, the 8th pin of second photoelectrical coupler also with one end of the 6th capacitor connect It connects, the other end of the 6th capacitor is isolator connect with second, and the 6th pin of second photoelectrical coupler draws with the 7th Foot is connect with the cathode of one end of the 7th resistance, the 7th diode respectively, and the other end of the 7th resistance is respectively with the seven or two The grid connection of the anode of pole pipe, one end of the 8th resistance, third metal-oxide-semiconductor, the other end, the third metal-oxide-semiconductor of the 8th resistance Source electrode and the anode of the 8th diode isolator connect with second, the drain electrode of the third metal-oxide-semiconductor and the 6th diode Cathode connection；
First pin of the third isolated power supply module is connected to ground, the second pin of third isolated power supply module be It unites power supply connection, the 7th capacitor is connected in parallel between the first pin and second pin of third isolated power supply module, and described the Eight capacitors and third load resistance are connected in parallel between the 4th pin and the 5th pin of third isolated power supply module, the third 5th pin of isolated power supply module is connect with the 8th pin of third photoelectrical coupler, and the of the third isolated power supply module Four pins are isolator connect with third；
The second pin of the third photoelectrical coupler is connect with one end of the 9th resistance, the other end of the 9th resistance It is connect with single-chip microcontroller, the third pin of the third photoelectrical coupler and the ground of single-chip microcontroller connect, the third photoelectrical coupler The 5th pin isolator connect with third, the 8th pin of the third photoelectrical coupler also with one end of the 9th capacitor connect It connects, the other end of the 9th capacitor is isolator connect with third, and the 6th pin of the third photoelectrical coupler draws with the 7th Foot is connect with the cathode of one end of the tenth resistance, the 9th diode respectively, and the other end of the tenth resistance is respectively with the 9th 2 The grid connection of the anode of pole pipe, one end of eleventh resistor, the 4th metal-oxide-semiconductor, the other end of the eleventh resistor, the 4th The anode of the source electrode of metal-oxide-semiconductor and the tenth diode is isolator connect with third, the drain electrode of the 4th metal-oxide-semiconductor and big Ground connection, the cathode of the tenth diode and load connect；
First pin of the 4th isolated power supply module is connected to ground, the second pin of the 4th isolated power supply module be It unites power supply connection, the tenth capacitor is connected in parallel between the first pin and second pin of the 4th isolated power supply module, and described the 11 capacitors and the 4th load resistance are connected in parallel between the 4th pin and the 5th pin of the 4th isolated power supply module, and described 5th pin of four isolated power supply modules is connect with the 8th pin of the 4th photoelectrical coupler, the 4th isolated power supply module 4th pin is isolator connect with the 4th；
One end of the second pin of 4th photoelectrical coupler and twelfth resistor connects, the twelfth resistor it is another One end is connect with single-chip microcontroller, and the third pin of the 4th photoelectrical coupler and the ground of single-chip microcontroller connect, the 4th photoelectricity coupling 5th pin of clutch is isolator connect with the 4th, the 8th pin of the 4th photoelectrical coupler also with the 12nd capacitor one End connection, the other end of the 12nd capacitor isolator connect with the 4th, the 6th pin of the 4th photoelectrical coupler and 7th pin is connect with the cathode of one end of thirteenth resistor, the 11st diode respectively, the other end of the thirteenth resistor It is connect respectively with the anode of the 11st diode, one end of the 14th resistance, the grid of the 5th metal-oxide-semiconductor, the 14th resistance The other end, the source electrode of the 5th metal-oxide-semiconductor and the anode of the 12nd diode isolator connect with the 4th, the described 12nd The cathode of pole pipe is connect with the earth, and the drain electrode of the 5th metal-oxide-semiconductor is connect with the cathode of the tenth diode, the 13rd electricity Hold and is connected between the cathode of the 6th diode and the cathode of the tenth diode；
The DC voltage fast switch circuit includes: the 5th isolated power supply module to the 8th isolated power supply module, 14 capacitors are to the 12nd capacitor, the 5th load resistance to the 8th load resistance, the 5th photoelectrical coupler to the 8th photoelectricity Coupler, the 6th metal-oxide-semiconductor to the 9th metal-oxide-semiconductor, the 15th resistance to the 26th resistance and the 13rd diode to the 16th Diode；
First pin of the 5th isolated power supply module is connected to ground, the second pin of the 5th isolated power supply module be Power supply of uniting connects, and the 14th capacitor is connected in parallel between the first pin and second pin of the 5th isolated power supply module, described 15th capacitor and the 5th load resistance are connected in parallel between the 4th pin and the 5th pin of the 5th isolated power supply module, described 5th pin of the 5th isolated power supply module is connect with the 8th pin of the 5th photoelectrical coupler, the 5th isolated power supply module The 4th pin isolator connect with the 5th；
The second pin of 5th photoelectrical coupler is connect with one end of resistance, the other end and list of the resistance The ground of the connection of piece machine, the third pin of the 5th photoelectrical coupler and single-chip microcontroller connects, and the of the 5th photoelectrical coupler Five pins are isolator connect with the 5th, and the 8th pin of the 5th photoelectrical coupler is also connect with one end of the 16th capacitor, The other end of 16th capacitor is isolator connect with the 5th, the 6th pin and the 7th pin of first photoelectrical coupler It is connect respectively with the cathode of one end of the 16th resistance, the 13rd diode, the other end of the 16th resistance is respectively with The grid connection of the anode of 13 diodes, one end of the 17th resistance, the 6th metal-oxide-semiconductor, the other end of the 17th resistance, The source electrode of 6th metal-oxide-semiconductor is isolator connect with the 5th respectively, and the source electrode of the 6th metal-oxide-semiconductor is also connected with load, and the described 6th The drain electrode of metal-oxide-semiconductor is connect with the drain electrode of the cathode, the 8th metal-oxide-semiconductor of the ten seven the second pole pipes respectively, the sun of the 17th diode Pole is connect with system power supply；
First pin of the 6th isolated power supply module is connected to ground, the second pin of the 6th isolated power supply module be Power supply of uniting connects, and the 17th capacitor is connected in parallel between the first pin and second pin of the 6th isolated power supply module, described 18th capacitor and the 6th load resistance are connected in parallel between the 4th pin and the 5th pin of the 6th isolated power supply module, described 5th pin of the 6th isolated power supply module is connect with the 8th pin of the 6th photoelectrical coupler, the 6th isolated power supply module The 4th pin isolator connect with the 6th；
The second pin of 6th photoelectrical coupler is connect with one end of the 18th resistance, the 18th resistance it is another One end is connect with single-chip microcontroller, and the third pin of the 6th photoelectrical coupler and the ground of single-chip microcontroller connect, the 6th photoelectricity coupling 5th pin of clutch is isolator connect with the 6th, the 8th pin of the 6th photoelectrical coupler also with the 19th capacitor one End connection, the other end of the 19th capacitor isolator connect with the 6th, the 6th pin of the 6th photoelectrical coupler and 7th pin is connect with the cathode of one end of the 19th resistance, the 14th diode respectively, the other end of the 19th resistance It is connect respectively with the anode of the 14th diode, one end of the 20th resistance, the grid of the 7th metal-oxide-semiconductor, the 20th resistance The other end, the 7th metal-oxide-semiconductor source electrode isolator connect with the 6th respectively, the source electrode of the 7th metal-oxide-semiconductor also with greatly connect It connects；
First pin of the 7th isolated power supply module is connected to ground, the second pin of the 7th isolated power supply module be Power supply of uniting connects, and the 20th capacitor is connected in parallel between the first pin and second pin of the 7th isolated power supply module, described 21st capacitor and the 7th load resistance are connected in parallel between the 4th pin and the 5th pin of the 7th isolated power supply module, institute The 5th pin for stating the 7th isolated power supply module is connect with the 8th pin of the 7th photoelectrical coupler, the 7th isolated power supply mould 4th pin of block is isolator connect with the 7th；
The second pin of 7th photoelectrical coupler is connect with one end of the 21st resistance, the 21st resistance The other end connect with single-chip microcontroller, the ground of the third pin of the 7th photoelectrical coupler and single-chip microcontroller connects, the 7th light 5th pin of electric coupler is isolator connect with the 7th, and the 8th pin of the 7th photoelectrical coupler is also electric with the 22nd One end of appearance connects, and the other end of the 22nd capacitor is isolator connect with the 7th, and the of the 7th photoelectrical coupler Six pins are connect with the cathode of one end of the 22nd resistance, the 15th diode respectively with the 7th pin, and the described 22nd The other end of resistance is connect with the anode of the 15th diode, one end of the 23rd resistance, the grid of the 8th metal-oxide-semiconductor respectively, The other end of 23rd resistance, the source electrode of the 8th metal-oxide-semiconductor are isolator connect with the 7th respectively, the 8th metal-oxide-semiconductor Source electrode is also connected with the drain electrode of the 9th metal-oxide-semiconductor and load, the yin with the 17th diode respectively that drains of the 8th metal-oxide-semiconductor Pole connection；
First pin of the 8th isolated power supply module is connected to ground, the second pin of the 8th isolated power supply module be Power supply of uniting connects, and the 23rd capacitor is connected in parallel between the first pin and second pin of the 8th isolated power supply module, institute It states the 24th capacitor and the 8th load resistance is connected in parallel between the 4th pin and the 5th pin of the 8th isolated power supply module, 5th pin of the 8th isolated power supply module is connect with the 8th pin of the 8th photoelectrical coupler, the 8th isolated power supply 4th pin of module is isolator connect with eight；
The second pin of 8th photoelectrical coupler is connect with one end of the 24th resistance, the 24th resistance The other end connect with single-chip microcontroller, the ground of the third pin of the 8th photoelectrical coupler and single-chip microcontroller connects, the 8th light 5th pin of electric coupler is isolator connect with the 8th, and the 8th pin of the 8th photoelectrical coupler is also electric with the 25th One end of appearance connects, and the other end of the 25th capacitor is isolator connect with the 8th, and the of the 8th photoelectrical coupler Six pins are connect with the cathode of one end of the 25th resistance, the 16th diode respectively with the 7th pin, and the described 25th The other end of resistance is connect with the anode of the 16th diode, one end of the 26th resistance, the grid of the 9th metal-oxide-semiconductor respectively, The other end of 26th resistance, the source electrode of the 9th metal-oxide-semiconductor are isolator connect with the 6th respectively, the 9th metal-oxide-semiconductor Source electrode is also connect with the earth.
The dry contact output circuit includes: the 18th diode, the 19th diode, the first single contact pin, second Single contact pin, the 27th resistance, the 28th resistance, relay, the second triode；
Single-chip I/O mouth exports one end that low and high level connects the 18th resistance, the other end difference of the 18th resistance It is connected with the ground level of the 28th resistance and the second triode, the other end of the 28th resistance is connected to ground, described The emitter of second triode is connected to ground, the collector of second triode respectively with the anode of the 18th diode, 2 ends of one single contact pin connect, and 1 end of the first single contact pin is connect with the end B of output terminal and 2 foot of relay respectively, First single 3 end of contact pin is connected with 4 foot of relay, the cathode of the 18th diode respectively with 1 foot of relay and 3 ends of the second single contact pin are connected, and 2 ends of the second single contact pin are connected with the cathode of the 19th diode, and described second is single 1 foot of contact pin is connected with the end A of output terminal and 3 foot of relay respectively, the anode and system power supply of the 19th diode Connection.
10, a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, special Sign is that the internal by-pass relay circuit includes: 29 resistance to 31 resistance, the 20th diode, third Triode, internal two keys relay, the 9th photoelectrical coupler；
One end of 29 resistance of single-chip microcontroller IO connection, the other end and the 9th photoelectrical coupler of the 29th resistance 1 foot, the ground of 2 feet of the 9th photoelectrical coupler and single-chip microcontroller connects, 4 feet of the 9th photoelectrical coupler respectively be The 7th pin connection of system power supply, the cathode of the 19th diode and internal two keys relay, the 9th photoelectrical coupler 3 feet are connect with one end of the 30th resistance, the other end of the 30th resistance respectively with the ground level of third transistor, the 30th One end of one resistance connects, and the other end of the 31st resistance is connect with the emitter of ground, third transistor respectively, described The collector of third transistor is connect with the 8th pin of the anode of the 20th diode and internal two keys relay respectively, described 4th pin of internal two keys relay is just being connect with output, the 1st pin of the internal two keys relay and the negative connection of output； 5th pin of the internal two keys relay and the zero curve of alternating current connect, the 2nd pin and alternating current of the internal two keys relay Firewire connection.
Beneficial effects of the present invention:
The present invention proposes that a kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity, and hardware integration degree is high, can By property height.When alternating current occurs to shake electricity or when abnormal interrupt situation, the present apparatus can continual offer direct current, prevent because shaking electricity Phenomenon and caused by economic loss and safety accident, while output port can also shield the dry contact signal that frequency converter provides It can be with external 12V DC relay, it is therefore an objective to external many dry contacts can be provided and acted, broken down when this equipment Internal by-pass relay is accessed simultaneously, guarantees that equipment fault rear class other equipment circuit still can work normally, and guarantees whole function It can not be influenced by this equipment.The device can to industry spot not stop device have defencive function, and have it is small in size, fill The features such as electric fast, long service life, switch speed is fast, and AC phases incision excision is identical.
Detailed description of the invention
Fig. 1 is the structural block diagram of the specific embodiment of the invention；
Fig. 2 is that the alternating current 220V of the specific embodiment of the invention turns direct current 15V low ripple reduction voltage circuit and super capacitor fills Electric power principle figure；
Fig. 3 is the super capacitor charging circuit (a) of the specific embodiment of the invention；Control the switch electricity of super capacitor output Road (b)；
Fig. 4 is the system fast powering-up switching circuit schematic diagram of the specific embodiment of the invention；
Fig. 5 is the detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry principle of the specific embodiment of the invention Figure；
Fig. 6 is the alternating voltage fast switch circuit schematic diagram of the specific embodiment of the invention；
Fig. 7 is the DC voltage fast switch circuit schematic diagram of the specific embodiment of the invention；
Fig. 8 is the dry contact output circuit of the specific embodiment of the invention；
Fig. 9 is the internal by-pass relay circuit of the specific embodiment of the invention.
Specific embodiment
It is right in the following with reference to the drawings and specific embodiments in order to be more clear the purpose of the present invention, technical solution and advantage The invention of this reality is described in further details.Described herein specific examples are only used to explain the present invention, is not used to limit The present invention.
A kind of anti-contactor shakes the quick alternating current-direct current switching device of bypass type of electricity, as shown in Figure 1, alternating current 220V turns direct current 15V low ripple reduction voltage circuit declines with system power switch circuit, super capacitor charge/discharge and detection alternating current 220V respectively Subtract voltage value to connect with positive and negative half-wave decision circuitry；Super capacitor charge/discharge is connect with system fast powering-up switching circuit； System fast powering-up switching circuit and the mutual fast switch circuit of AC-DC voltage.Detect alternating current 220V evanescent voltage value and Positive and negative half-wave decision circuitry is connect with single-chip microcontroller, and single-chip microcontroller is connect with the mutual fast switch circuit of AC-DC voltage, single-chip microcontroller With the connection of dry contact output circuit；The connection of single-chip microcontroller and internal by-pass relay circuit.
Alternating current 220V turns direct current 15V low ripple reduction voltage circuit and is converted to direct current required for device for that will exchange；
Super capacitor charge/discharge is used to provide power supply to whole system when shaking electricity or power-off；
System fast powering-up switching circuit be used for the electricity of super capacitor group with exchange the electricity output of 220 turns of direct current 15V to The overall situation is powered；
Single-chip microcontroller be used to detect the positive and negative half-waves of 220 voltages of exchange with it is current exchange 220 voltage value and control The switch on and off signal of MOSFET；
Detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry can be with for being isolated that alternating current 220V voltage obtains The voltage value of detection, and judge the positive and negative half-wave of current alternating current；
The mutual fast switch circuit of AC-DC voltage is used to carry out AC and DC switching within 1ms；
Dry contact output circuit is used to mask the event of frequency converter output to an external switching signal when occurring to shake electricity Hinder point, prevent fault point from sending signal to other equipment, causes other equipment erroneous judgement that malfunction occurs；
Internal by-pass relay circuit is for preventing internal system control loop failure from influencing subsequent equipment work.
As shown in Fig. 2, it includes: that alternating current 220V turns direct current 15V-36W that alternating current 220V, which turns direct current 15V low ripple reduction voltage circuit, Voltage transformation module, is connected the inductance of a 6.8uh by the output end of 15V, effect be eliminate alternating current only export it is stable straight Galvanic electricity pressure；The backward dioded of the filter capacitor of one 0.1uf of parallel connection and pressure stabilizing 15V between 15V and ground wire GND；It is exporting The diode of the big voltage high-current of one 1000V10A of end series connection, effect is to prevent rear step voltage Kickback voltage conversion module.
Alternating current 220V by voltage reduction module export 15V high ripple DC voltage, after by inductance L1, be allowed to filter out line Wave, after 15V DC voltage is filtered again by capacitor C12 to obtain purer power supply, rear parallel connection D10 pressure stabilizing two Pole pipe, output end one D7 diode of series connection, prevents electric current recharge, feeds the switching circuit of system power supply later.
Alternating current 220V exports 15V power supply by voltage reduction module U3 in the present embodiment, and one end feeds D6 after inductance L1 In case give super capacitor charging, one end with ground GND it is in parallel on capacitor C12 and zener diode D10, stablize export DC voltage 15V seals in diode D7 in output end simultaneously, plays the role of reverse protection.
As shown in Fig. 3 (a), super capacitor charge/discharge includes: first the-the five current-limiting resistance of current-limiting resistance, the one or two Four diode of pole pipe-the, super capacitor group, the first divider resistance, the second divider resistance, super capacitor switching circuit of power supply；
Charging circuit: alternating current 220V turns direct current 15V and charges to super capacitor group；Discharge circuit: for when shake electricity or When person powers off, power supply is provided to whole system.
The cathode of first diode D6 is separately connected one end of first the-the five current-limiting resistance R13-R17 of current-limiting resistance, and first The other end of the five current-limiting resistance R13-R17 of current-limiting resistance-the with one end of super capacitor group and super capacitor power switch The input terminal of circuit connects, and the first divider resistance R75 is connected in parallel on capacitance group both ends after connecting with the second divider resistance R76, super The other end of capacitance group is grounded, and the output end of super capacitor switching circuit of power supply is connect with system fast powering-up switching circuit, is surpassed The control terminal of grade capacitances to supply power switching circuit is connect with single-chip microcontroller；
Super capacitor group includes: first the-the six super capacitor of super capacitor, first the-the six balance resistance of balance resistance；
First super capacitor C31 is connect with the other end of first the-the five current-limiting resistance R13-R17 of current-limiting resistance, the first is surpassed Grade capacitor-the six super capacitor C31, C33, C34, C35, C36, C40 are sequentially connected in series, first the-the six super capacitor of super capacitor C31, C33, C34, C35, C36, C40 balance resistance in parallel, respectively correspond as R30, R31, R35, R38, R39, R40.
As shown in Fig. 3 (b), super capacitor switching circuit of power supply includes: first resistor R73, second resistance R74, the first MOS Pipe Q11, second the-the four diode of diode, the first triode Q12；
The input terminal of super capacitor switching circuit of power supply is connect with the source electrode of first resistor R73, the first metal-oxide-semiconductor Q11 respectively, The other end of first resistor R73 is connect with the collector of the grid of the first metal-oxide-semiconductor Q11, the first triode Q12 respectively, and the one or three The emitter of grade pipe Q12 is connect with the earth, and the base stage of the first triode Q12 is connect with the cathode of the 4th diode D27, and the four or two The anode of pole pipe D27 is connect with one end of second resistance R74, and the other end of second resistance R74 is connect with single-chip microcontroller, the first MOS The drain electrode of pipe Q11 is connect with the anode of the anode of the second diode D11 and third diode D12 respectively, the second diode D11 Cathode and the cathode of third diode D12 connect with the input terminal of system fast powering-up switching circuit；
The effect of D6 diode is anti-backflow, guarantees the safety charged to super capacitor by 5 current-limiting resistances, The capacity of super capacitor is detected while charging to super capacitor to detect current system electricity；The voltage of super capacitor output By metal-oxide-semiconductor Q11 and two diode D11, D12 in parallel of the S grade for being connected on metal-oxide-semiconductor, the work for preventing recoil is played With to protect super capacitor and metal-oxide-semiconductor.
The principle of super capacitor charge/discharge are as follows: the 15V exported from voltage transformation module passes through one anti-reverse two Pole pipe SS34 is connected to current-limiting resistance, and current-limiting resistance is connected by the mode of 5 56R/2W parallel connections, passes through current-limiting resistance in this way The voltage value that about 13V will be obtained with diode SS34 is charged using this voltage value to super capacitor；Used here as 6 super capacitors carry out concatenated mode and are attached, and are equivalent to the super capacitor of a 16.2V to system power supply；It is each super Grade capacitor all resistance of one 2K of parallel connection, effect are a states for making to establish the charging of a self-balancing between super capacitor；Afterwards It is to occur to shake the system working power under electricity or power blackout situation by the voltage that two 1000V10A diodes in parallel export.
The output end of super capacitor charge/discharge accesses the first anti-backflow of diode D6 in the present embodiment, after by the One current-limiting resistance the-the five current-limiting resistance R13, R14, R15, R16, R17 parallel connection reduces the electric current of charging, former after current-limiting resistance 15V voltage can be reduced to 13V or so give super capacitor charging, this circuit have 6 super capacitor C31, C33, C34, C35, C36, C40 series connection carry out using, and the resistance of one 2K of each super capacitor parallel connection be respectively R30, R31, R35, R38, R39, R40, so that 6 super capacitors have the function that self-balancing when charging.Simultaneously at the both ends of super capacitor group plus two partial pressures Resistance R75, R76 are divided, to acquire the charge value of current super capacitance group；When super capacitor group is discharged, need To pass through Sofe Switch the first metal-oxide-semiconductor Q11, by being controlled whether the conducting of the first triode Q12, triode Q12 Whether be connected, controlled by the level of single-chip microcontroller IO, the 4th diode D27 prevents from recoiling, first resistor R73 be for Current limliting use.
As shown in figure 4, in system fast powering-up switching circuit, electrification circuit first resistor to the 5th resistance of electrification circuit R34, R37, R35, R32, R33, electrification circuit triode Q2, electrification circuit diode D13, electrification circuit metal-oxide-semiconductor Q1, power on electricity The source electrode of road metal-oxide-semiconductor Q1 is connect with the system overall situation, the drain electrode of electrification circuit metal-oxide-semiconductor Q1 and the one of electrification circuit first resistor R34 End connection, the other end of electrification circuit first resistor R34 respectively with the grid of electrification circuit metal-oxide-semiconductor Q1 and electrification circuit triode The collector of Q2 connects；The emitter of electrification circuit triode Q2 is connected to ground, the ground level of electrification circuit triode Q2 with power on The cathode of circuit diode D13 connects, and one end of the anode D13 and electrification circuit second resistance R37 of electrification circuit diode connect It connects, the other end of electrification circuit second resistance R37 is connect with one end of electrification circuit 3rd resistor R36, single-chip microcontroller respectively, is powered on The other end of circuit 3rd resistor R36 respectively with one end of the 4th resistance R32 of electrification circuit, the 5th resistance R33 of electrification circuit One end connection, the other end of the 4th resistance R32 of electrification circuit are connect with 15V power supply, the other end of the 5th resistance R33 of electrification circuit It is connected to ground.
The power supply that the power supply and voltage reduction module of super capacitor output export is same to enter metal-oxide-semiconductor Q1 by triode Q2 to carry out Control to metal-oxide-semiconductor, to control late-class circuit power supply, the grounded-grid of metal-oxide-semiconductor Q1 indicates conducting after triode Q2 conducting, The IO of single-chip microcontroller is connected to after collector the series diode D13 and R37 of triode Q2, three when single-chip microcontroller IO output is high level Pole pipe Q2 conducting, while resistance R32, R33 divide 15V, series resistance R36 access single-chip microcontroller IO is as upper after assigning to 5V It draws and uses.
As shown in figure 5, alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry, used main operational amplifier It is TLE20221, voltage transformer U2, and a dummy resistance in parallel is accessed after the end the L series resistance R6 of alternating current 220V R10 obtains 0.6V alternating current, is followed by diode D8 to R26, and 2 foot of input negative terminal of the second level amplifier of U4 meets 1. resistance R24 respectively 0.6V alternating current is arrived again 2. after R23 to the output after 7 foot of output end of the second level amplifier of the U4 3. parallel connection of R21 and R22；The two of U4 The input of grade amplifier is just being grounded 5 feet, while filter capacitor C20, C21 debounce is added.1 foot of output end of the first order amplifier of U4 is logical Cross after connecting resistance R29 and access 2 foot of input negative terminal of amplifier U7,3 foot of the input anode access ground GND of amplifier U7, simultaneously plus Enter capacitor C32 filter capacitor debounce, 1 foot series connection single-chip microcontroller I/O pin of U7 output end is connected in parallel resistance R28 and is followed by 3.3V。
One voltage transformer is passed through by alternating current 220V, so that voltage value is converted into exchange 0.6V, phase by alternating current 220V Bit period all as alternating current 220V, obtains the wave for being allowed to reversed by inverse proportion operational amplifier afterwards with positive and negative half-wave Shape, this reversed waveform give two operational amplifiers to use respectively: one amplifies by inverse proportion, and amplifier voltage is positive 12V and GND connects 3.3V in an output end pull-up resistor in parallel, and making its output is a square wave, is indicated when for high level The positive half-wave of alternating current, low level indicate the negative half-wave of alternating current；Secondly passing through matching electricity by another inverse proportion amplifier Resistance amplifies, and the ADC that single-chip microcontroller is accessed after 0.6V is amplified 3.6 times detects pin, carries out an inspection to current alternating current It surveys, to detect the voltage change of alternating current 220V.
When alternating current 220V becomes alternating current 0.6V by voltage transformer, rear series resistance R26 is linked into level-one amplifier The input negative terminal of U4, the input anode of level-one amplifier U4 access ground GND, another terminating resistor R20 of R26, rear series diode Then D9 accesses the output end of level-one amplifier, be followed by diode D8 to R26, and the input negative terminal of the second level amplifier of U4 connects 1. electric respectively Resistance R24 arrives 0.6V alternating current again；2. arriving the output end of second level amplifier after R23；3. the output after the parallel connection of R21 and R22；Second level fortune The input put just is grounded, while filter capacitor is added, removal shake.The output end of the first order amplifier of U4 passes through resistance of connecting The input negative terminal of amplifier U7 is accessed after R29, the input anode of amplifier U7 accesses ground GND, and output end series connection single-chip microcontroller IO draws Foot is connected in parallel resistance R28 and is followed by 3.3V, uses as pull-up.
The mutual fast switch circuit of AC-DC voltage includes: that alternating voltage fast switch circuit, DC voltage are fast Fast switching circuit；The output end phase of the output end of the alternating voltage fast switch circuit and DC voltage fast switch circuit Connection；
Effect: being switched fast for AC and DC electricity can be carried out in 1ms, existing all plain editions is can satisfy and connects The switching time of tentaculum.
Alternating voltage fast switch circuit, control wherein 4 MOSFET, DC voltage fast switch circuit control wherein 4 A MOSFET.Supply voltage gives the power module of 8 12V to be powered respectively, while exporting independent 12V power supply, then divides It Chuan Lian not be linked into 8 optocouplers, prepare to control 8 independent MOSFET later.
In the present embodiment between system power supply and ground distinguish 8 filter capacitor C46, C51 of parallel connection, C57, C63, C43, C49, C54, C59 be then separately connected to 8 independent power module REG2, REG4, REG6, REG8, REG1, REG3, REG5, REG7, later respectively export POWER_A, POWER_B, POWER_C, POWER_D, POWER_E, POWER_F, POWER_G, POWER_H and GNDA, GNDB, GNDC, GNDD, GNDE, GNDF, GNDG, GNDH are connected in parallel with a capacitor between each electricity and ground C47, C52, C58, C64, C44, C50, C55, C60 are filtered output end, while a dummy resistance point in parallel It Wei not R49, R56, R64, R69, R46, R53, R57, R65；8 road power supplys be correspondingly connected with 8 road optocouplers be respectively PT2, PT4, PT6, The output end of PT8, PT1, PT3, PT5, PT7, the power supplys of 8 road optocouplers and ground respectively shunt capacitance uncouple be respectively C42, C48, The control terminal of C56, C62, C41, C45, C53, C61,8 road optocouplers are single-chip microcontroller IO control, and the output end of 8 road optocouplers is connected respectively One resistance current limliting is R44, R55, R63, R70, R42, R51, R61, R67 respectively, while a backward dioded in parallel is distinguished It is D16, D19, D22, D24, D15, D18, D21, D23.
System power supply gives 8 B1212XT isolated power supply module for power supply respectively, and module effect is obtained respectively from system power supply To the independent 12V power supply in 8 tunnels, each power module prime will and upper 2.2uf capacitor, rear class is also wanted and the electricity of upper 2.2uf Appearance and a fictitious load 2K resistance, obtain the electric current of very little, 8 road power supplys are connected respectively to the output end of 8 optocouplers；From single-chip microcontroller IO draws the conducting of 8 line traffic controls, 8 optocouplers, to control the MOSFET circuit of rear class；
The combination of preceding 4 power modules and optocoupler controls the on-off of alternating current 220V, rear 4 power supplys by 4 MOSFET The combination of module and optocoupler controls the on-off of direct current generating positive and negative voltage by 4 MOSFET；Due to use MOSFET according to Chip characteristics can complete an alternating current-direct current switching with single-chip microcontroller execution speed in 1ms or directly exchange switching, to reach fast The characteristic of speed switching.
As shown in fig. 6, alternating voltage fast switch circuit include: first the-the four isolated power supply module of isolated power supply module, 13 capacitor of first capacitor-the, first the-the four load resistance of load resistance, first the-the four photoelectrical coupler of photoelectrical coupler, 12 diode of second the-the five metal-oxide-semiconductor of metal-oxide-semiconductor, 14 resistance of 3rd resistor-the and the 5th diode-the；
The first pin of first isolated power supply module REG1 is connected to ground, the second pin of the first isolated power supply module REG1 It being connect with system power supply, first capacitor C46 is connected in parallel between the first pin and second pin of the first isolated power supply module REG1, Second capacitor C47 and the first load resistance R49 is connected in parallel on the 4th pin and the 5th pin of the first isolated power supply module REG1 Between, the 5th pin of the first isolated power supply module REG1 is connect with the 8th pin of the first photoelectrical coupler PT2, the first isolation The 4th pin of power module REG1 with first isolator GNDA connect；
The second pin of first photoelectrical coupler PT2 is connect with one end of 3rd resistor R43, and 3rd resistor R43's is another End is connect with single-chip microcontroller, and the third pin of the first photoelectrical coupler PT2 and the ground of single-chip microcontroller connect, the first photoelectrical coupler PT2 The 5th pin with first isolator GNDA connect, the 8th pin of the first photoelectrical coupler PT2 also with third capacitor C42 one End connection, the other end of third capacitor C42 with first isolator GNDA connect, the 6th pin of the first photoelectrical coupler PT2 and 7th pin is connect with the cathode of one end of the 4th resistance R44, the 5th diode D16 respectively, the other end point of the 4th resistance R44 It is not connect with the grid of the anode of the 5th diode D16, one end of the 5th resistance R45, the second metal-oxide-semiconductor Q3, the 5th resistance R45's The anode of the other end, the source electrode of the second metal-oxide-semiconductor Q3 and the 6th diode D14 is isolator connect with first, the second metal-oxide-semiconductor Q3 Drain electrode connect with the end L of 220V alternating current, the cathode of the 6th diode D14 and load connect；
The first pin of second isolated power supply module REG4 is connected to ground, the second pin of the second isolated power supply module REG4 It being connect with system power supply, the 4th capacitor C51 is connected in parallel between the first pin and second pin of the second isolated power supply module REG4, 5th capacitor C52 and the second load resistance R56 is connected in parallel on the 4th pin and the 5th pin of the second isolated power supply module REG4 Between, the 5th pin of the second isolated power supply module REG4 is connect with the 8th pin of the second photoelectrical coupler PT4, the second isolation The 4th pin of power module REG4 with second isolator GNDB connect；
The second pin of second photoelectrical coupler PT4 is connect with one end of the 6th resistance R54, and the 6th resistance R54's is another End is connect with single-chip microcontroller, the ground DGND connection of the third pin and single-chip microcontroller of the second photoelectrical coupler PT4, the second photoelectrical coupler The 5th pin of PT4 with second isolator GNDB connect, the 8th pin of the second photoelectrical coupler PT4 also with the 6th capacitor C48 One end connection, the other end of the 6th capacitor C48 with second isolator GNDB connect, the 6th of the second photoelectrical coupler PT4 draws Foot is connect with the cathode of one end of the 7th resistance R55, the 7th diode D19 respectively with the 7th pin, and the 7th resistance R55's is another End is connect with the grid of the anode of the 7th diode D19, one end of the 8th resistance R52, third metal-oxide-semiconductor Q6 respectively, the 8th resistance The anode of the other end of R52, the source electrode of third metal-oxide-semiconductor Q6 and the 8th diode D20 with second isolator GNDB connect, The drain electrode of three metal-oxide-semiconductor Q6 is connect with the cathode of the 6th diode D14；
The first pin of third isolated power supply module REG6 is connected to ground, the second pin of third isolated power supply module REG6 It being connect with system power supply, the 7th capacitor C57 is connected in parallel between the first pin and second pin of third isolated power supply module REG6, 8th capacitor C58 and third load resistance R64 is connected in parallel on the 4th pin and the 5th pin of third isolated power supply module REG6 Between, the 5th pin of third isolated power supply module REG6 is connect with the 8th pin of third photoelectrical coupler, third isolation electricity Isolator GNDC is connect the 4th pin of source module REG6 with third；
The second pin of third photoelectrical coupler PT6 is connect with one end of the 9th resistance R62, and the 9th resistance R62's is another End is connect with single-chip microcontroller, and the third pin of third photoelectrical coupler PT6 and the ground of single-chip microcontroller connect, third photoelectrical coupler PT6 The 5th pin isolator connect with third, the 8th pin of third photoelectrical coupler PT6 also with one end of the 9th capacitor C56 connect It connects, isolator GNDC is connect the other end of the 9th capacitor C56 with third, the 6th pin and the 7th of third photoelectrical coupler PT6 Pin is connect with the cathode of one end of the tenth resistance R63, the 9th diode D22 respectively, the other end of the tenth resistance R63 respectively with The grid connection of the anode of 9th diode D22, one end of eleventh resistor R66, the 4th metal-oxide-semiconductor Q9, eleventh resistor R66's The anode of the other end, the source electrode of the 4th metal-oxide-semiconductor Q9 and the tenth diode D25 is isolator connect with third, the 4th metal-oxide-semiconductor Q9 Drain electrode connect with the earth, the cathode of the tenth diode D25 and load connection；
The first pin of 4th isolated power supply module REG8 is connected to ground, the second pin of the 4th isolated power supply module REG8 It being connect with system power supply, the tenth capacitor C63 is connected in parallel between the first pin and second pin of the 4th isolated power supply module REG8, 11st capacitor C64 and the 4th load resistance R69 the 4th pin for being connected in parallel on the 4th isolated power supply module REG8 draws with the 5th Between foot, the 5th pin of the 4th isolated power supply module is connect with the 8th pin of the 4th photoelectrical coupler PT8, the 4th isolation electricity 4th pin of source module with the 4th isolator GNDD connect；
The second pin of 4th photoelectrical coupler PT8 is connect with one end of twelfth resistor R71, twelfth resistor R71's The other end is connect with single-chip microcontroller, the ground DGND connection of the third pin and single-chip microcontroller of the 4th photoelectrical coupler PT8, the 4th photoelectricity coupling The 5th pin of clutch PT8 with the 4th isolator GNDD connect, the 8th pin of the 4th photoelectrical coupler PT8 also with the 12nd electricity Hold C62 one end connection, the other end of the 12nd capacitor C62 with the 4th isolator GNDD connect, the 4th photoelectrical coupler PT8's 6th pin is connect with the cathode of one end of thirteenth resistor R70, the 11st diode D24 respectively with the 7th pin, and the 13rd The other end of resistance R70 respectively with the anode of the 11st diode D24, one end of the 14th resistance R72, the 5th metal-oxide-semiconductor Q10 Grid connection, the anode of the other end of the 14th resistance R72, the source electrode of the 5th metal-oxide-semiconductor Q10 and the 12nd diode D26 are equal It is isolator connect with the 4th, the cathode of the 12nd diode D26 is connect with the earth, the drain electrode of the 5th metal-oxide-semiconductor Q10 and the 12nd pole The cathode of pipe D25 connects, the 13rd capacitor C65 and be connected in the cathode of the 6th diode D14 and the cathode of the tenth diode D25 Between；
Alternating voltage fast switch circuit, as shown in fig. 6, giving optocoupler one high level by single-chip microcontroller IO, so that optocoupler Output end conducting, when the conducting of the optocoupler of PT2 and PT4, the grid voltage of metal-oxide-semiconductor Q3 and Q6 is 12V, so that it may MOS be connected Guan Liao, when the end L is that positive half-wave inputs, by metal-oxide-semiconductor Q3 output at the end OUTPUT+, when the end L is negative half-wave input It waits, is exported by metal-oxide-semiconductor Q6 at the end OUTPUT+；When the conducting of the optocoupler of PT6 and PT8, the grid voltage of metal-oxide-semiconductor Q9 and Q10 are 12V, so that it may metal-oxide-semiconductor be connected, when N-terminal is that positive half-wave inputs, is exported by metal-oxide-semiconductor Q9 at the end OUTPUT-, work as N When holding the half-wave that is negative to input, exported by metal-oxide-semiconductor Q10 at the end OUTPUT-.
In the present embodiment single-chip microcontroller IO distinguish series resistance R43, R54, R62, R71, connect 4 optocoupler PT2, PT4, PT6, The input terminal of PT8, the output end of 4 optocouplers connect after series resistance R44, R55, R63, R70 has the function that current limliting respectively respectively It is connected to the grid of metal-oxide-semiconductor Q3, Q6, Q9, Q10, while connecting resistance R45, R52, R66, R72 effect is the ground with corresponding power GNDA, GNDB, GNDC, GNDD have a pressure difference to which metal-oxide-semiconductor be connected.When the end L is that positive half-wave inputs, pass through metal-oxide-semiconductor Q3 output is exported by metal-oxide-semiconductor Q6 at the end OUTPUT+ when the end L is negative half-wave input at the end OUTPUT+；As PT6 and When the optocoupler conducting of PT8, the grid voltage of metal-oxide-semiconductor Q9 and Q10 are 12V, so that it may metal-oxide-semiconductor be connected, when N-terminal is that positive half-wave is defeated When entering, exported when N-terminal is negative half-wave input by metal-oxide-semiconductor Q10 by metal-oxide-semiconductor Q9 output at the end OUTPUT- At the end OUTPUT-；4 optocouplers all turn on when default 220 access of exchange.
As shown in fig. 7, DC voltage fast switch circuit include: the 5th the-the eight isolated power supply module of isolated power supply module, 14th capacitor-the 12 capacitor, the 5th the-the eight load resistance of load resistance, the 5th the-the eight photoelectricity coupling of photoelectrical coupler Clutch, 16 pole of the 6th the-the nine metal-oxide-semiconductor of metal-oxide-semiconductor, 26 resistance of the 15th resistance-the and the 13rd diode-the Pipe；
The first pin of 5th isolated power supply module REG1 is connected to ground, the second pin of the 5th isolated power supply module REG1 Connect with system power supply, the 14th capacitor C43 be connected in parallel on the 5th isolated power supply module REG1 the first pin and second pin it Between, the 15th capacitor C44 and the 5th load resistance R46 are connected in parallel on the 4th pin and the 5th of the 5th isolated power supply module REG1 Between pin, the 5th pin of the 5th isolated power supply module REG1 is connect with the 8th pin of the 5th photoelectrical coupler, the 5th every The 4th pin from power module REG1 with the 5th isolator GNDE connect；
The second pin of 5th photoelectrical coupler PT1 is connect with one end of resistance R41, the other end of resistance R41 with Single-chip microcontroller connection, the ground DGND connection of the third pin and single-chip microcontroller of the 5th photoelectrical coupler PT1, the 5th photoelectrical coupler PT1 The 5th pin isolator connect with the 5th, the one end of the 8th pin of the 5th photoelectrical coupler PT1 also with the 16th capacitor C41 Connection, the other end of the 16th capacitor C41 are isolator connect with the 5th, the 6th pin and the 7th of the 5th photoelectrical coupler PT1 Pin is connect with the cathode of one end of the 16th resistance R42, the 13rd diode D15 respectively, the other end of the 16th resistance R42 It is connect respectively with the anode of the 13rd diode D15, one end of the 17th resistance R47, the grid of the 6th metal-oxide-semiconductor Q4, the 17th The other end of resistance R47, the 6th metal-oxide-semiconductor Q4 source electrode respectively with the 5th isolator GNDE connect, the source electrode of the 6th metal-oxide-semiconductor Q4 is also It is connected with load, drain electrode of the drain electrode of the 6th metal-oxide-semiconductor Q4 respectively with the cathode, the 8th metal-oxide-semiconductor Q5 of the ten seven the second pole pipe D17 connects It connects, the anode of the 17th diode D17 is connect with system power supply；
The first pin of 6th isolated power supply module REG3 is connected to ground, the second pin of the 6th isolated power supply module REG3 Connect with system power supply, the 17th capacitor C49 be connected in parallel on the 6th isolated power supply module REG3 the first pin and second pin it Between, the 18th capacitor C50 and the 6th load resistance R53 are connected in parallel on the 4th pin and the 5th of the 6th isolated power supply module REG3 Between pin, the 5th pin of the 6th isolated power supply module REG3 is connect with the 8th pin of the 6th photoelectrical coupler PT3, and the 6th 4th pin of isolated power supply module with the 6th isolator GNDF connect；
The second pin of 6th photoelectrical coupler PT3 is connect with one end of the 18th resistance R50, the 18th resistance R50's The other end is connect with single-chip microcontroller, and the third pin of the 6th photoelectrical coupler PT3 and the ground of single-chip microcontroller connect, the 6th photoelectrical coupler The 5th pin of PT3 with the 6th isolator GNDF connect, the 8th pin of the 6th photoelectrical coupler PT3 also with the 19th capacitor One end of C45 connects, the other end of the 19th capacitor C45 with the 6th isolator GNDF connect, the of the 6th photoelectrical coupler PT3 Six pins are connect with the cathode of one end of the 19th resistance R51, the 14th diode D18 respectively with the 7th pin, the 19th electricity Hinder R51 the other end respectively with the anode of the 14th diode D18, one end of the 20th resistance R58, the 7th metal-oxide-semiconductor Q7 grid Pole connection, the other end of the 20th resistance R58, the 7th metal-oxide-semiconductor Q7 source electrode respectively with the 6th isolator GNDF connect, the 7th The source electrode of metal-oxide-semiconductor Q7 is also connect with the earth；
The first pin of 7th isolated power supply module REG5 is connected to ground, the second pin of the 7th isolated power supply module REG5 Connect with system power supply, the 20th capacitor C54 be connected in parallel on the 7th isolated power supply module REG5 the first pin and second pin it Between, the 21st capacitor C57 and the 7th load resistance R57 are connected in parallel on the 4th pin and of the 7th isolated power supply module REG5 Between five pins, the 5th pin of the 7th isolated power supply module REG5 is connect with the 8th pin of the 7th photoelectrical coupler, and the 7th The 4th pin of isolated power supply module REG5 with the 7th isolator GNDG connect；
The second pin of 7th photoelectrical coupler PT5 is connect with one end of the 21st resistance R60, the 21st resistance The other end of R60 is connect with single-chip microcontroller, and the third pin of the 7th photoelectrical coupler PT5 and the ground of single-chip microcontroller connect, the 7th photoelectricity The 5th pin of coupler PT5 with the 7th isolator GNDG connect, the 8th pin of the 7th photoelectrical coupler PT5 is also with the 20th One end of two capacitor C63 connects, the other end of the 22nd capacitor C63 with the 7th isolator GNDG connect, the 7th photoelectric coupling The 6th pin of device PT5 and the 7th pin connect with the cathode of one end of the 22nd resistance R61, the 15th diode D21 respectively Connect, the other end of the 22nd resistance R61 respectively with the anode of the 15th diode D21, the 23rd resistance R48 one end, The grid of 8th metal-oxide-semiconductor Q5 connects, and the other end of the 23rd resistance R48, the source electrode of the 8th metal-oxide-semiconductor Q5 are isolated with the 7th respectively Ground connection, the source electrode of the 8th metal-oxide-semiconductor Q5 are also connected with the drain electrode of the 9th metal-oxide-semiconductor Q8 and load, the drain electrode point of the 8th metal-oxide-semiconductor Q5 It is not connect with the cathode of the 17th diode D17；
The first pin of 8th isolated power supply module REG7 is connected to ground, the second pin of the 8th isolated power supply module REG7 It is connect with system power supply, the 23rd capacitor C59 is connected in parallel on the first pin and second pin of the 8th isolated power supply module REG7 Between, the 24th capacitor C60 and the 8th load resistance R65 be connected in parallel on the 4th pin of the 8th isolated power supply module REG7 with Between 5th pin, the 5th pin of the 8th isolated power supply module REG7 is connect with the 8th pin of the 8th photoelectrical coupler PT7, The 4th pin of 8th isolated power supply module REG7 with eight isolator GNDH connect；
The second pin of 8th photoelectrical coupler PT7 is connect with one end of the 24th resistance R68, the 24th resistance The other end of R68 is connect with single-chip microcontroller, and the third pin of the 8th photoelectrical coupler PT7 and the ground of single-chip microcontroller connect, the 8th photoelectricity The 5th pin of coupler PT7 with the 8th isolator GNDH connect, the 8th pin of the 8th photoelectrical coupler PT7 is also with the 20th One end of five capacitor C61 connects, the other end of the 25th capacitor C61 with the 8th isolator GNDH connect, the 8th photoelectric coupling The 6th pin of device PT7 and the 7th pin connect with the cathode of one end of the 25th resistance R67, the 16th diode D23 respectively Connect, the other end of the 25th resistance R67 respectively with the anode of the 16th diode D23, the 26th resistance R59 one end, The grid of 9th metal-oxide-semiconductor Q8 connects, and the other end of the 26th resistance R59, the source electrode of the 9th metal-oxide-semiconductor Q8 are isolated with the 6th respectively Ground connection, the source electrode of the 9th metal-oxide-semiconductor Q8 are also connect with the earth；
4 MOSFET are controlled by 4 road optocouplers, when the conducting of PT1 and PT7 optocoupler, export OUTA and OUTD two Road voltage value is respectively turned on Q4 and Q8, thus can give one positive voltage of external contactor coil, otherwise close OUTA and OUTD opens the output end OUTB and OUTC of optocoupler PT3 and PT5, is respectively turned on Q5 and Q7, can thus give contactor coil One reversed voltage.
In the present embodiment, 4 MOSFET are controlled by 4 road optocouplers, as the conducting of PT1 and PT7 optocoupler and PT3 It is closed with PT5, so that controlling metal-oxide-semiconductor Q4 and Q8 closes Q5 and Q7, such system power supply is entered by anti-reverse diode D17 Metal-oxide-semiconductor Q4, which subsequently enters the end OUTPUT+ and enters contactor coil, is entering metal-oxide-semiconductor Q8 from coil OUTPUT-, enters ground later GND, positive voltage；When the conducting of PT3 and PT5 optocoupler and PT1 and PT7 is closed, so that controlling metal-oxide-semiconductor Q5 and Q7 closes Q4 and Q8, The end OUTPUT- systematically subsequently entered by metal-oxide-semiconductor Q7 in this way enter contactor coil and enters the 8th from coil OUTPUT+ Metal-oxide-semiconductor Q5 enters system power supply, negative voltage after entering the 17th diode D17 later.
When occur shake electricity or power-off when, by second level amplifier detect shake electricity or power-off when alternating current 220V be positive half-wave also It is, if opening metal-oxide-semiconductor Q4 and Q8 in positive half-wave exports a positive voltage, to be detected when restoring alternating current 220V in negative half-wave Half-wave locating for current alternating current, positive half-wave directly carry out directly exchanging switching, and half of cycle of negative half-wave delay is switching over；Such as Fruit opens Q5 and Q7 in negative half-wave and exports a negative voltage, is detected half locating for current alternating current when restoring alternating current 220V Wave, negative half-wave directly carry out directly exchanging switching, and positive half-wave half of cycle of delay is switching over；Wherein be added in OUTPUT+ and The capacitor of OUTPUT- is that CBB22 630V/106J effect is to absorb the contactor when shaking electricity or power-off to return to the voltage punching come It hits.
As shown in figure 8, dry contact output circuit includes the 27th resistance R77, the 28th resistance R78, the two or three pole Pipe Q13, the first single contact pin P4, the second single contact pin P3, the 18th diode D29, the 19th diode D28, relay K1.
In the present embodiment, I/O port the 27th resistance R77 of series connection of single-chip microcontroller, the other end string of the 27th resistance R77 Another termination system of parallel connection the 28th resistance R78, the 28th resistance R78 simultaneously is linked on the 1 foot ground level of the second triode Q13 System ground, the 2 human hair combing waste emitter groundings of the second triode Q13, the 3 foot collectors of the second triode Q13 respectively with the 18th diode D29 connection is connected with 2 feet of the first single contact pin P4, and 3 feet of the first single contact pin P4 are connect with 4 feet of relay K1, and first 1 foot of single contact pin P4 is connect with output end OUTB and 2 foot of relay respectively, the cathode of the 18th diode D29 respectively with after The connection of 3 feet of 1 foot of electric appliance K1 and the second single contact pin P3,2 feet of the second single contact pin P3 and the cathode of 19 diode D28 Connection, the 19th diode D28 anode and system electrical connection, 1 foot of the second single contact pin P3 respectively with output end OUTA and The connection of 3 foot of relay.When single-chip microcontroller IO to it is high when, the second triode Q13 conducting, if 2, the 3 of single contact pin P3, P4 Foot is shorted with jump cap respectively, then the coil of relay K1 is there are the voltage of a 15V, the coil of turn-on relay K1, so that OUTA and OUTB is the relationship of connection, has achieved the purpose that dry contact；It is jumped if 2,1 foot of single contact pin P3, P4 are used respectively Cap is shorted, then OUTA is electrically connected with system, and OUTB is connect with the collector of triode Q13, just has one in output end in this way The voltage of 15V is connected for external relay coil, to achieve the purpose that multichannel dry contact.
As shown in figure 9, internal by-pass relay circuit includes the 29th resistance R12, the 30th resistance R18, the 30th One resistance R79, the 9th photoelectrical coupler PT9, third transistor Q14, the 20th diode D30, internal two keys relay K2.
In the present embodiment, the other end of single-chip I/O mouth PWS series resistance R12, the 29th resistance R12 connect the 9th light 1 foot of electric coupler PT9,2 feet of the 9th photoelectrical coupler PT9 connect the ground of single-chip microcontroller, 4 feet point of the 9th photoelectrical coupler PT9 Other welding system power supply, 7 feet of the cathode of the 20th diode D30 and internal two keys relay K2,3 feet of photoelectrical coupler PT9 It connects and is separately connected one end R79 of the 1 foot ground level and the 31st resistance of third transistor Q14, third after the 30th resistance R18 The other end is connected to the system ground by 11 resistance R79, the ground of the 2 foot welding system of emitter of the 30th triode Q14, third transistor The collector of Q14 connects 8 feet of internal two keys relay K2 and the anode of the 20th diode D30, internal two keys relay respectively 1 foot and 4 feet of K2 is separately connected OUTPUT+ and OUTPUT-, and 2 feet and 5 feet of internal two keys relay K2 connect alternating current 220V respectively L and N.If when single-chip microcontroller pin is high level, the 9th photoelectrical coupler PT9 is connected, the 9th photoelectrical coupler PT9's 3,4 feet are connection status, so that inside two keys relay K2 is on state, then 4 feet of internal two keys relay will be with 6 Foot connection, 1 foot can be connected with 3 feet, to realize that the L and N of OUTPUT+ and OUTPUT- and alternating current 220V are disconnected, and be used MOSFET switches over power supply；If photoelectrical coupler PT9 is turned off when single-chip microcontroller pin is low level, the 9th photoelectrical coupler 3,4 feet of PT9 be off-state so that internal relay K2 be off-state, then 4 feet of internal relay will default and The connection of 5 feet, 1 foot can be defaulted to be connected with 2 feet, thus realize L the and N default connection of OUTPUT+ and OUTPUT- and alternating current 220V Relationship can be operated normally but regardless of whether MOSFET opens this equipment late-class circuit all, be thereby realized when single-chip microcontroller failure, Single-chip microcontroller IO is low, the purpose that late-class circuit can still work normally.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that；It still may be used To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal Replacement；Thus these are modified or replaceed, defined by the claims in the present invention that it does not separate the essence of the corresponding technical solution Range.

Claims (10)

1. the quick alternating current-direct current switching device of bypass type that a kind of anti-contactor shakes electricity characterized by comprising
Alternating current 220V turn direct current 15V low ripple reduction voltage circuit, super capacitor charge/discharge, system fast powering-up switching circuit, Detect alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry, the mutual fast switch circuit of AC-DC voltage, dry contact Output circuit, internal by-pass relay circuit and single-chip microcontroller；
The alternating current 220V turn direct current 15V low ripple reduction voltage circuit respectively with system power switch circuit, super capacitor charge and discharge Circuit and detection alternating current 220V evanescent voltage value are connected with positive and negative half-wave decision circuitry；The super capacitor charge/discharge with The connection of system fast powering-up switching circuit；The system fast powering-up switching circuit is mutually switched fast with AC-DC voltage Circuit connection；The detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry are connect with single-chip microcontroller, the single-chip microcontroller It is connect respectively with the mutual fast switch circuit of AC-DC voltage, dry contact output circuit and internal by-pass relay circuit.
2. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In it includes: power module, step-down capacitor, buck inductor, first that the alternating current 220V, which turns the low literary wave reduction voltage circuit of direct current 15V, Buck diode, the second buck diode；
The 5th pin, the 6th pin of the power module are connect with one end of buck inductor, the buck inductor it is another End respectively with one end of step-down capacitor, the cathode of the first buck diode, the anode of the second buck diode and the one or two pole The anode of pipe connects, the other end of the step-down capacitor, the first buck diode anode with the third pin of power module And the 4th pin connection；Three pin of ground and the 4th pin of the power module are also connected to ground, second decompression, two poles The cathode of pipe is connect with the input terminal of system fast powering-up switching circuit.
3. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the super capacitor charge/discharge includes:
First current-limiting resistance to the 5th current-limiting resistance, first diode to the 4th diode, super capacitor group, the first partial pressure electricity Resistance, the second divider resistance, super capacitor switching circuit of power supply；
The cathode of first diode is separately connected one end of first the-the five current-limiting resistance of current-limiting resistance, first current limliting Input terminal of the other end of five current-limiting resistance of resistance-the with one end of super capacitor group and super capacitor switching circuit of power supply Connection, first divider resistance are connected in parallel on capacitance group both ends after connecting with the second divider resistance, the super capacitor group Other end ground connection, the output end of the super capacitor switching circuit of power supply is connect with system fast powering-up switching circuit, described The control terminal of super capacitor switching circuit of power supply is connect with single-chip microcontroller.
4. a kind of anti-contactor according to claim 3 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the super capacitor group includes:
First super capacitor to the 6th super capacitor, the first balance resistance to the 6th balance resistance；
The first capacitor is connect with the other end of the first current-limiting resistance to the 5th current-limiting resistance, first super capacitor to Six super capacitors are sequentially connected in series, first super capacitor to a 6th super capacitor balance resistance in parallel.
5. a kind of anti-contactor according to claim 3 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the super capacitor switching circuit of power supply includes: first resistor, second resistance, the first metal-oxide-semiconductor, the second diode to Four diodes, the first triode；
The input terminal of the super capacitor switching circuit of power supply is connect with the source electrode of first resistor, the first metal-oxide-semiconductor respectively, described The other end of first resistor is connect with the collector of the grid of the first metal-oxide-semiconductor, the first triode respectively, first triode Emitter is connect with the earth, and the base stage of first triode is connect with the cathode of the 4th diode, the 4th diode The connection of one end of anode and second resistance, the other end of the second resistance are connect with single-chip microcontroller, the drain electrode of first metal-oxide-semiconductor It is connect respectively with the anode of the anode of the second diode and third diode, the cathode and the three or two of second diode The cathode of pole pipe is connect with the input terminal of system fast powering-up switching circuit.
6. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the system fast powering-up switching circuit includes:
Electrification circuit first resistor is to the 5th resistance of electrification circuit, electrification circuit triode, electrification circuit diode, electrification circuit Metal-oxide-semiconductor；
The source electrode of the electrification circuit metal-oxide-semiconductor is connect with the system overall situation, the drain electrode of the electrification circuit metal-oxide-semiconductor and electrification circuit the One end of one resistance connects, the other end of the electrification circuit first resistor respectively the grid with electrification circuit metal-oxide-semiconductor with power on The collector of circuit triode connects；The emitter of the electrification circuit triode is connected to ground, the electrification circuit triode Ground level connect with the cathode of electrification circuit diode, the anode of the electrification circuit diode and electrification circuit second resistance One end connection, the other end of the electrification circuit second resistance are connect with one end of electrification circuit 3rd resistor, single-chip microcontroller respectively, The other end of the electrification circuit 3rd resistor respectively with one end of the 4th resistance of electrification circuit, the 5th resistance of electrification circuit one End connection, the other end of the 4th resistance of electrification circuit are connect with 15V power supply, the other end of the 5th resistance of electrification circuit It is connected to ground.
7. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the main operational amplifier that the detection alternating current 220V evanescent voltage value and positive and negative half-wave decision circuitry use is TLE20221。
8. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the mutual fast switch circuit of AC-DC voltage includes:
Alternating voltage fast switch circuit, DC voltage fast switch circuit；The alternating voltage fast switch circuit it is defeated Outlet is connected with the output end of DC voltage fast switch circuit；
The exchange fast switch circuit includes: the first isolated power supply module to the 4th isolated power supply module, first capacitor to 13 capacitors, the first load resistance to the 4th load resistance, the first photoelectrical coupler to the 4th photoelectrical coupler, the second metal-oxide-semiconductor To the 5th metal-oxide-semiconductor, 3rd resistor to the 14th resistance and the 5th diode to the 12nd diode；
First pin of the first isolated power supply module is connected to ground, second pin and the system electricity of the first isolated power supply module Source connection, the first capacitor are connected in parallel between the first pin and second pin of the first isolated power supply module, second electricity Hold and the first load resistance is connected in parallel between the 4th pin and the 5th pin of the first isolated power supply module, first isolation 5th pin of power module is connect with the 8th pin of the first photoelectrical coupler, and the 4th of the first isolated power supply module draws Foot is isolator connect with first；
The second pin of first photoelectrical coupler and one end of 3rd resistor connect, the other end and list of the 3rd resistor The ground of the connection of piece machine, the third pin of first photoelectrical coupler and single-chip microcontroller connects, and the of first photoelectrical coupler Five pins are isolator connect with first, and the 8th pin of first photoelectrical coupler is also connect with one end of third capacitor, institute The other end for stating third capacitor is isolator connect with first, and the 6th pin of first photoelectrical coupler and the 7th pin are distinguished Connect with the cathode of one end of the 4th resistance, the 5th diode, the other end of the 4th resistance respectively with the 5th diode The grid connection of anode, one end of the 5th resistance, the second metal-oxide-semiconductor, the source electrode of the other end of the 5th resistance, the second metal-oxide-semiconductor And the 6th the anode of diode isolator connect with first, the drain electrode of second metal-oxide-semiconductor connects with the end L of 220V alternating current It connects, the cathode of the 6th diode and load connect；
First pin of the second isolated power supply module is connected to ground, second pin and the system electricity of the second isolated power supply module Source connection, the 4th capacitor are connected in parallel between the first pin and second pin of the second isolated power supply module, the 5th electricity Hold C52 and the second load resistance is connected in parallel between the 4th pin and the 5th pin of the second isolated power supply module, described second 5th pin of isolated power supply module is connect with the 8th pin of the second photoelectrical coupler, and the of the second isolated power supply module Four pins are isolator connect with second；
The second pin of second photoelectrical coupler is connect with one end of the 6th resistance, the other end and list of the 6th resistance The ground of the connection of piece machine, the third pin of second photoelectrical coupler and single-chip microcontroller connects, and the of second photoelectrical coupler Five pins are isolator connect with second, and the 8th pin of second photoelectrical coupler is also connect with one end of the 6th capacitor, institute The other end for stating the 6th capacitor is isolator connect with second, and the 6th pin of second photoelectrical coupler and the 7th pin are distinguished Connect with the cathode of one end of the 7th resistance, the 7th diode, the other end of the 7th resistance respectively with the 7th diode The grid connection of anode, one end of the 8th resistance, third metal-oxide-semiconductor, the source electrode of the other end of the 8th resistance, third metal-oxide-semiconductor And the 8th the anode of diode isolator connect with second, the drain electrode of the third metal-oxide-semiconductor and the cathode of the 6th diode Connection；
First pin of the third isolated power supply module is connected to ground, second pin and the system electricity of third isolated power supply module Source connection, the 7th capacitor are connected in parallel between the first pin and second pin of third isolated power supply module, the 8th electricity Hold and third load resistance is connected in parallel between the 4th pin and the 5th pin of third isolated power supply module, the third isolation 5th pin of power module is connect with the 8th pin of third photoelectrical coupler, and the 4th of the third isolated power supply module draws Foot is isolator connect with third；
The second pin of the third photoelectrical coupler is connect with one end of the 9th resistance, the other end and list of the 9th resistance The ground of the connection of piece machine, the third pin of the third photoelectrical coupler and single-chip microcontroller connects, and the of the third photoelectrical coupler Five pins are isolator connect with third, and the 8th pin of the third photoelectrical coupler is also connect with one end of the 9th capacitor, institute The other end for stating the 9th capacitor is isolator connect with third, and the 6th pin of the third photoelectrical coupler and the 7th pin are distinguished Connect with the cathode of one end of the tenth resistance, the 9th diode, the other end of the tenth resistance respectively with the 9th diode The grid connection of anode, one end of eleventh resistor, the 4th metal-oxide-semiconductor, the other end of the eleventh resistor, the 4th metal-oxide-semiconductor The anode of source electrode and the tenth diode is isolator connect with third, and the drain electrode of the 4th metal-oxide-semiconductor is connect with the earth, The cathode of tenth diode and load connect；
First pin of the 4th isolated power supply module is connected to ground, second pin and the system electricity of the 4th isolated power supply module Source connection, the tenth capacitor are connected in parallel between the first pin and second pin of the 4th isolated power supply module, and the described 11st Capacitor and the 4th load resistance are connected in parallel between the 4th pin and the 5th pin of the 4th isolated power supply module, the described 4th every The 5th pin from power module is connect with the 8th pin of the 4th photoelectrical coupler, and the 4th of the 4th isolated power supply module the Pin is isolator connect with the 4th；
The second pin of 4th photoelectrical coupler and one end of twelfth resistor connect, the other end of the twelfth resistor It is connect with single-chip microcontroller, the third pin of the 4th photoelectrical coupler and the ground of single-chip microcontroller connect, the 4th photoelectrical coupler The 5th pin isolator connect with the 4th, the 8th pin of the 4th photoelectrical coupler also with one end of the 12nd capacitor connect It connects, the other end of the 12nd capacitor is isolator connect with the 4th, the 6th pin and the 7th of the 4th photoelectrical coupler Pin is connect with the cathode of one end of thirteenth resistor, the 11st diode respectively, the other end difference of the thirteenth resistor Connect with the anode of the 11st diode, one end of the 14th resistance, the grid of the 5th metal-oxide-semiconductor, the 14th resistance it is another The anode of one end, the source electrode of the 5th metal-oxide-semiconductor and the 12nd diode is isolator connect with the 4th, the 12nd diode Cathode with the earth connect, the drain electrode of the 5th metal-oxide-semiconductor is connect with the cathode of the tenth diode, and the 13rd capacitor is simultaneously It is connected between the cathode of the 6th diode and the cathode of the tenth diode；
The DC voltage fast switch circuit includes: the 5th isolated power supply module to the 8th isolated power supply module, the 14th Capacitor is to the 12nd capacitor, the 5th load resistance to the 8th load resistance, the 5th photoelectrical coupler to the 8th photoelectric coupling Device, the 6th metal-oxide-semiconductor to the 9th metal-oxide-semiconductor, the 15th resistance to the 26th resistance and the 13rd diode to the 16th pole Pipe；
First pin of the 5th isolated power supply module is connected to ground, second pin and the system electricity of the 5th isolated power supply module Source connection, the 14th capacitor are connected in parallel between the first pin and second pin of the 5th isolated power supply module, and the described tenth Five capacitors and the 5th load resistance are connected in parallel between the 4th pin and the 5th pin of the 5th isolated power supply module, and the described 5th 5th pin of isolated power supply module is connect with the 8th pin of the 5th photoelectrical coupler, and the of the 5th isolated power supply module Four pins are isolator connect with the 5th；
The second pin of 5th photoelectrical coupler is connect with one end of resistance, the other end and single-chip microcontroller of the resistance Connection, the third pin of the 5th photoelectrical coupler and the ground of single-chip microcontroller connect, and the 5th of the 5th photoelectrical coupler draws Foot is isolator connect with the 5th, and the 8th pin of the 5th photoelectrical coupler is also connect with one end of the 16th capacitor, described The other end of 16th capacitor is isolator connect with the 5th, and the 6th pin of first photoelectrical coupler and the 7th pin are distinguished It is connect with the cathode of one end of the 16th resistance, the 13rd diode, the other end of the 16th resistance is respectively with the 13rd The grid connection of the anode of diode, one end of the 17th resistance, the 6th metal-oxide-semiconductor, the other end of the 17th resistance, the 6th The source electrode of metal-oxide-semiconductor is isolator connect with the 5th respectively, and the source electrode of the 6th metal-oxide-semiconductor is also connected with load, the 6th metal-oxide-semiconductor Drain electrode connect respectively with the drain electrode of the cathode, the 8th metal-oxide-semiconductor of the ten seven the second pole pipes, the anode of the 17th diode be Power supply of uniting connects；
First pin of the 6th isolated power supply module is connected to ground, second pin and the system electricity of the 6th isolated power supply module Source connection, the 17th capacitor are connected in parallel between the first pin and second pin of the 6th isolated power supply module, and the described tenth Eight capacitors and the 6th load resistance are connected in parallel between the 4th pin and the 5th pin of the 6th isolated power supply module, and the described 6th 5th pin of isolated power supply module is connect with the 8th pin of the 6th photoelectrical coupler, and the of the 6th isolated power supply module Four pins are isolator connect with the 6th；
The second pin of 6th photoelectrical coupler is connect with one end of the 18th resistance, the other end of the 18th resistance It is connect with single-chip microcontroller, the third pin of the 6th photoelectrical coupler and the ground of single-chip microcontroller connect, the 6th photoelectrical coupler The 5th pin isolator connect with the 6th, the 8th pin of the 6th photoelectrical coupler also with one end of the 19th capacitor connect It connects, the other end of the 19th capacitor is isolator connect with the 6th, the 6th pin and the 7th of the 6th photoelectrical coupler Pin is connect with the cathode of one end of the 19th resistance, the 14th diode respectively, the other end difference of the 19th resistance Connect with the anode of the 14th diode, one end of the 20th resistance, the grid of the 7th metal-oxide-semiconductor, the 20th resistance it is another One end, the 7th metal-oxide-semiconductor source electrode isolator connect with the 6th respectively, the source electrode of the 7th metal-oxide-semiconductor also with the earth connect；
First pin of the 7th isolated power supply module is connected to ground, second pin and the system electricity of the 7th isolated power supply module Source connection, the 20th capacitor are connected in parallel between the first pin and second pin of the 7th isolated power supply module, and described second 11 capacitors and the 7th load resistance are connected in parallel between the 4th pin and the 5th pin of the 7th isolated power supply module, and described 5th pin of seven isolated power supply modules is connect with the 8th pin of the 7th photoelectrical coupler, the 7th isolated power supply module 4th pin is isolator connect with the 7th；
The second pin of 7th photoelectrical coupler is connect with one end of the 21st resistance, the 21st resistance it is another One end is connect with single-chip microcontroller, and the third pin of the 7th photoelectrical coupler and the ground of single-chip microcontroller connect, the 7th photoelectricity coupling 5th pin of clutch is isolator connect with the 7th, the 8th pin of the 7th photoelectrical coupler also with the 22nd capacitor One end connection, the other end of the 22nd capacitor are isolator connect with the 7th, and the 6th of the 7th photoelectrical coupler draws Foot is connect with the cathode of one end of the 22nd resistance, the 15th diode respectively with the 7th pin, the 22nd resistance The other end connect respectively with the anode of the 15th diode, one end of the 23rd resistance, the grid of the 8th metal-oxide-semiconductor, it is described The other end of 23rd resistance, the source electrode of the 8th metal-oxide-semiconductor are isolator connect with the 7th respectively, the source electrode of the 8th metal-oxide-semiconductor It is also connected with the drain electrode of the 9th metal-oxide-semiconductor and load, the drain electrode of the 8th metal-oxide-semiconductor connects with the cathode of the 17th diode respectively It connects；
First pin of the 8th isolated power supply module is connected to ground, second pin and the system electricity of the 8th isolated power supply module Source connection, the 23rd capacitor is connected in parallel between the first pin and second pin of the 8th isolated power supply module, and described the 24 capacitors and the 8th load resistance are connected in parallel between the 4th pin and the 5th pin of the 8th isolated power supply module, described 5th pin of the 8th isolated power supply module is connect with the 8th pin of the 8th photoelectrical coupler, the 8th isolated power supply module The 4th pin isolator connect with eight；
The second pin of 8th photoelectrical coupler is connect with one end of the 24th resistance, the 24th resistance it is another One end is connect with single-chip microcontroller, and the third pin of the 8th photoelectrical coupler and the ground of single-chip microcontroller connect, the 8th photoelectricity coupling 5th pin of clutch is isolator connect with the 8th, the 8th pin of the 8th photoelectrical coupler also with the 25th capacitor One end connection, the other end of the 25th capacitor are isolator connect with the 8th, and the 6th of the 8th photoelectrical coupler draws Foot is connect with the cathode of one end of the 25th resistance, the 16th diode respectively with the 7th pin, the 25th resistance The other end connect respectively with the anode of the 16th diode, one end of the 26th resistance, the grid of the 9th metal-oxide-semiconductor, it is described The other end of 26th resistance, the source electrode of the 9th metal-oxide-semiconductor are isolator connect with the 6th respectively, the source electrode of the 9th metal-oxide-semiconductor Also with the earth connect.
9. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists Include: the 18th diode, the 19th diode, the first single contact pin, second single insert in, the dry contact output circuit Needle, the 27th resistance, the 28th resistance, relay, the second triode；
Single-chip I/O mouth exports one end that low and high level connects the 18th resistance, and the other end of the 18th resistance is respectively with the The ground level of 28 resistance and the second triode is connected, and the other end of the 28th resistance is connected to ground, and described second The emitter of triode is connected to ground, the collector of second triode respectively with the anode of the 18th diode, first single 2 ends of socket needle connect, and 1 end of the first single contact pin is connect with the end B of output terminal and 2 foot of relay respectively, described First single 3 end of contact pin is connected with 4 foot of relay, the cathode of the 18th diode respectively with 1 foot of relay and second 3 ends of single contact pin are connected, and 2 ends of the second single contact pin are connected with the cathode of the 19th diode, the second single contact pin 1 foot be connected respectively with the end A of output terminal and 3 foot of relay, the anode of the 19th diode is connected with system power supply.
10. a kind of anti-contactor according to claim 1 shakes the quick alternating current-direct current switching device of bypass type of electricity, feature exists In the internal by-pass relay circuit includes: 29 resistance to 31 resistance, the 20th diode, the three or three pole Pipe, internal two keys relay, the 9th photoelectrical coupler；
The 1 of one end of 29 resistance of single-chip microcontroller IO connection, the other end of the 29th resistance and the 9th photoelectrical coupler The ground of foot, 2 feet of the 9th photoelectrical coupler and single-chip microcontroller connects, 4 feet of the 9th photoelectrical coupler respectively with system The 7th pin connection of power supply, the cathode of the 19th diode and internal two keys relay, the 3 of the 9th photoelectrical coupler Foot is connect with one end of the 30th resistance, the other end of the 30th resistance respectively with the ground level of third transistor, the 30th One end of one resistance connects, and the other end of the 31st resistance is connect with the emitter of ground, third transistor respectively, described The collector of third transistor is connect with the 8th pin of the anode of the 20th diode and internal two keys relay respectively, described 4th pin of internal two keys relay is just being connect with output, the 1st pin of the internal two keys relay and the negative connection of output； 5th pin of the internal two keys relay and the zero curve of alternating current connect, the 2nd pin and alternating current of the internal two keys relay Firewire connection.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102074996A (en) * 2011-01-26 2011-05-25 江苏斯菲尔电气股份有限公司 Voltage shock avoiding circuit
JP2012239309A (en) * 2011-05-12 2012-12-06 Mitsubishi Electric Corp Electric power conversion apparatus
CN103560476A (en) * 2013-11-22 2014-02-05 珠海万力达电气股份有限公司 Anti-interference electricity module in bypass mode and control method of anti-interference electricity module
CN205791785U (en) * 2016-06-13 2016-12-07 沈阳睿捷电力科技有限公司 Collection catalyst and converter are protected in the by-pass type Anti-electricity dazzling device of one
CN108829000A (en) * 2018-06-25 2018-11-16 烽火通信科技股份有限公司 A kind of Cabinet environmental monitoring installation
CN109638866A (en) * 2018-12-17 2019-04-16 北京英瑞来科技有限公司 Based on the transient voltage Initiative Defense device for being switched fast switch and hybrid energy-storing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102074996A (en) * 2011-01-26 2011-05-25 江苏斯菲尔电气股份有限公司 Voltage shock avoiding circuit
JP2012239309A (en) * 2011-05-12 2012-12-06 Mitsubishi Electric Corp Electric power conversion apparatus
CN103560476A (en) * 2013-11-22 2014-02-05 珠海万力达电气股份有限公司 Anti-interference electricity module in bypass mode and control method of anti-interference electricity module
CN205791785U (en) * 2016-06-13 2016-12-07 沈阳睿捷电力科技有限公司 Collection catalyst and converter are protected in the by-pass type Anti-electricity dazzling device of one
CN108829000A (en) * 2018-06-25 2018-11-16 烽火通信科技股份有限公司 A kind of Cabinet environmental monitoring installation
CN109638866A (en) * 2018-12-17 2019-04-16 北京英瑞来科技有限公司 Based on the transient voltage Initiative Defense device for being switched fast switch and hybrid energy-storing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
胡滨: "基于超级电容储能技术的动态电压恢复器的设计与研究", 《硕士论文》 *

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