CN205725132U - Double-power controller power circuit - Google Patents
Double-power controller power circuit Download PDFInfo
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- CN205725132U CN205725132U CN201620295879.1U CN201620295879U CN205725132U CN 205725132 U CN205725132 U CN 205725132U CN 201620295879 U CN201620295879 U CN 201620295879U CN 205725132 U CN205725132 U CN 205725132U
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Abstract
A kind of Double-power controller power circuit, including immunity module, rectification module, Voltage stabilizing module and power transfer module;The input of immunity module is connected with power supply, and the input of rectification module is connected with the outfan of immunity module, it is provided that the circuit of power supply reliability exports to rectification module;The input of Voltage stabilizing module is connected with the outfan of rectification module, and alternating current power supply is converted to DC source and exports to Voltage stabilizing module by rectification module;The input of power transfer module is connected with the outfan of Voltage stabilizing module, and Voltage stabilizing module provides steady voltage for circuit, and is exported by voltage to power transfer module, and protection power transfer module is not burned out;High voltage is converted to low-voltage by power transfer module;Voltage stabilizing module electrochemical capacitor C301 and electrochemical capacitor C302 is connected in series, improve the pressure performance of electrochemical capacitor, resistance R303 is connected in the two ends of electrochemical capacitor C301 in parallel, and resistance R304 is connected in the two ends of electrochemical capacitor C302 in parallel, it is ensured that electrochemical capacitor dividing potential drop is consistent.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, particularly to a kind of Double-power controller power circuit.
Background technology
Dual-power transfer switch electrical equipment is mainly used in such as some weights such as smelting, chemical industry, hospital, government bodies
Wanting occasion, these important events power inleting terminals all use two-way or three-way power, when conventional power supply occurs event
When barrier or power failure, dual-power transfer switch will switch power supply to stand-by power supply, to ensure normal power supply.
Existing Double-power controller power circuit all uses the mode of transformer pressure-reducing, and power circuit is owing to using
Transformator, causes controller volume big, for terminal type product, owing to volume is limited, will be unable to supporting peace
Dress.Additionally Double-power controller product power circuit uses Switching Power Supply mode, due to switching power source chip and
The restriction of electrochemical capacitor, causing input voltage range is AC85V~AC276V, and voltage range is limited, external electrical
Net quality is unstable or user is easily by N line and phase line wrong, causes power circuit often to be damaged by high pressure and burns
Ruin, cause quality accident.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction, performance peace
Complete reliable, the Double-power controller power circuit of low cost.
For achieving the above object, this utility model adopts the technical scheme that
A kind of Double-power controller power circuit, including immunity module 1, rectification module 2, Voltage stabilizing module 3
With power transfer module 4;The input of described immunity module 1 is connected with power supply, described rectification module 2
Input be connected with the outfan of immunity module 1;The input of described Voltage stabilizing module 3 and rectification module
The outfan of 2 connects, and alternating current power supply is converted to DC source and exports to Voltage stabilizing module 3 by rectification module 2;
The input of described power transfer module 4 is connected with the outfan of Voltage stabilizing module 3;Power transfer module 4 will
High voltage is converted to low-voltage;Voltage stabilizing module 3 includes electrochemical capacitor C301, electrochemical capacitor C302, resistance
R303 and resistance R304, electrochemical capacitor C301 and electrochemical capacitor C302 are connected in series, electrochemical capacitor C301
Negative pole be connected with the positive pole of electrochemical capacitor C302, the positive pole of electrochemical capacitor C301 respectively with rectification module 2
Outfan and power transfer module 4 input connect, the negative pole of electrochemical capacitor C302 respectively with rectification
The outfan of module 2 and the input of power transfer module 4 connect;Resistance R303 is connected in electrolysis in parallel
The two ends of electric capacity C301, resistance R304 is connected in the two ends of electrochemical capacitor C302 in parallel.
Further, described Voltage stabilizing module 3 also includes resistance R305, resistance R306, stabilivolt Z301, surely
Pressure pipe Z302, stabilivolt Z303 and power MOS pipe Q301;Described power transfer module 4 includes power supply
Chip U301 and transformator T301, the positive pole of described stabilivolt Z301 connects with the negative pole of electrochemical capacitor C302
Connecing, the negative pole of stabilivolt Z301 is connected with one end of resistance R305, the other end of resistance R305 and electrolysis
The positive pole of electric capacity C301 connects, and the positive pole of stabilivolt Z302 is connected with the negative pole of electrochemical capacitor C302, surely
The negative pole of pressure pipe Z302 is connected with one end of resistance R306, the other end of resistance R306 and electrochemical capacitor
The positive pole of C301 connects, and the source electrode of power MOS pipe Q301 is connected to resistance R306 and stabilivolt Z302
Intermediate node, the drain electrode of power MOS pipe Q301 is connected to the input of the primary side of transformator T301,
The grid of power MOS pipe Q301 simultaneously with the 6th pin, the 7th pin and the 8th of power supply chip U301
Pin connects, the intermediate node of stabilivolt Z301 and resistance R305 and the 5th pin of power supply chip U301
Connecting, the positive pole of stabilivolt Z303 is connected with the grid of power MOS pipe Q301, stabilivolt Z303's
Negative pole is connected with the source electrode of power MOS pipe Q301.
Further, described stabilivolt Z301, stabilivolt Z302 are transient voltage suppressor diode.
Further, described power MOS pipe Q301 is pliotron.
Further, the input of described power supply is single supply or dual power supply.
Further, the input of described power supply is dual power supply;Described immunity module 1 includes resistance R301,
Resistance R302, varistor RV301, varistor RV302, inductance coil L301 and inductance coil
L302;Described resistance R301 is connected with power supply A1 with the one end after inductance coil L301 parallel connection, another
End is connected with the input of rectification module 2, and described varistor RV301 is connected in parallel on power supply A1 phase and power supply
Between N1 phase;Described resistance R302 is connected with power supply A2 with the one end after inductance coil L302 parallel connection,
The other end is connected with the input of rectification module 2, described varistor RV302 be connected in parallel on power supply A2 phase and
Between power supply N2 phase.
Further, described rectification module 2 is all wave rectification or halfwave rectifier.
Further, described rectification module 2 is halfwave rectifier;Rectification module 2 includes diode D301, two poles
Pipe D302, diode D303 and diode D304;The positive pole of described diode D301 and immunity module
The outfan of 1 connects, and the negative pole of diode D301 is connected with the input of Voltage stabilizing module 3;Described two poles
The positive pole of pipe D302 is connected with the outfan of immunity module 1, the negative pole of diode D302 and voltage stabilizing mould
The input of block 3 connects;The positive pole of described diode D303 is connected with the input of Voltage stabilizing module 3, and two
The negative pole of pole pipe D303 is connected with power supply N2;The positive pole of described diode D304 and Voltage stabilizing module 3
Input connects, the negative pole of diode D304 respectively with outfan and the power supply N1 phase of immunity module 1
Connect.
Further, described power transfer module 4 includes power supply chip U301, transformator T301, optocoupler U302
With electric capacity C303, described Voltage stabilizing module 3 includes power MOS pipe Q301, resistance R305 and stabilivolt
Z301;One end of electric capacity C303 is connected with the outfan of Voltage stabilizing module 3, the other end and diode D305
Negative pole connect, the positive pole of diode D305 is connected with one end of transformator T301 primary side, electric capacity C303
The other end be connected with the other end of transformator T301 primary side simultaneously, resistance R307 is connected in electric capacity in parallel
The two ends of C303, one end of transformator T301 primary side is connected with the drain electrode of power MOS pipe Q301, becomes
Depressor T301 secondary side includes two secondary coils, one end of one of them secondary coil and diode D307
Positive pole connect, the negative pole of diode D307 is connected with power vd D, the positive pole of polar capacitor C306 and
The negative pole of diode D307 connects, the negative pole of polar capacitor C306 and the other end of one of them secondary coil
Connect, the other end of one of them secondary coil ground connection, one end of another secondary coil and diode simultaneously
The positive pole of D306 connects, and the negative pole of diode D306 is connected with one end of resistance R308, resistance R308
The other end be connected with second pin of power supply chip U301, the negative pole of polar capacitor C304 is secondary with another
The other end of sideline circle connects, and the positive pole of polar capacitor C304 is connected with second pin of power supply chip U301,
One end of electric capacity C305 is connected with positive source, and the other end is connected with second pin of power supply chip U301;
One end of electric capacity C307 is connected with the positive pole of polar capacitor C306, other end ground connection, resistance R309 and electricity
Resistance R310 is connected in series, and after series connection, one end of resistance R309 is connected with the positive pole of polar capacitor C306, electricity
One end of resistance R309 and the intermediate node of resistance R310 and resistance R310 is connected in optocoupler U302's in parallel
Input, resistance R311 and resistance R312 are connected in series, one end of resistance R311 and power supply after series connection
VDD connects, one end ground connection of resistance R312, resistance R313 after resistance R313 and electric capacity C310 series connection
One end be connected with the intermediate node of resistance R311 and resistance R312, one end of electric capacity C310 and voltage base
The negative pole of quasi-Q301 connects, the positive pole of voltage reference Q301 and with reference to pole respectively with the two ends of resistance R312
Connecting, the negative pole of voltage reference Q301 is connected with one end of resistance R310;The outfan of optocoupler U302 is also
Connection is connected to three-prong and the 4th pin of power supply chip U301, and the two ends of electric capacity C308 are connected in parallel
The output of the three-prong of power supply chip U301 and the 4th pin, one end of electric capacity C309 and Voltage stabilizing module 3
End connects, and the other end is connected to ground;First pin of power supply chip U301 is connected to positive source, power supply
6th pin, the 7th pin and the 8th pin of chip U301 are connected simultaneously to power MOS pipe Q301's
Grid connects;One end of resistance R306 is connected with the negative pole of stabilivolt Z301, the other end of resistance R306
With the input that the positive pole of stabilivolt Z301 is connected to power transfer module 4, the 5th of power supply chip U301
Pin is connected to resistance R306 and the intermediate node of stabilivolt Z301.
This utility model Double-power controller power circuit, by arranging immunity module, rectification module, surely
Die block and power transfer module, volume is little, it is simple to install;Voltage stabilizing module provides flat for power transfer module
Steady safe voltage, protection power transfer module is not burned out, the electrochemical capacitor C301 of Voltage stabilizing module and electrolysis
It is pressure that electric capacity C302 series connection improves electrochemical capacitor, resistance R303, resistance R304 and electrochemical capacitor C301,
Electrochemical capacitor C302 is in parallel, it is ensured that electrochemical capacitor dividing potential drop is consistent.Stabilivolt Z301, stabilivolt Z302 protect
Card power supply chip U301 does not damages, and power MOS pipe Q301 is connected in series to high frequency transformer T301 once
Between coil and power supply chip U301, improve the input pressure voltage of power supply chip U301.Described power supply is defeated
Entering end can be that single supply can also be for dual power supply;Described rectification circuit can be all wave rectification can also be half
Ripple rectification.The voltage range of this utility model Double-power controller power circuit is AC85V~AC440V,
The input voltage of wide scope can be met simultaneously, protect power circuit reliable operation, improve product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model Double-power controller power circuit;
Fig. 2 is the oscillogram of this utility model voltage U1;
Fig. 3 is the oscillogram of this utility model voltage U2;
Fig. 4 is the oscillogram of this utility model voltage U3.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1-4, further illustrates Double-power controller of the present utility model
The detailed description of the invention of power circuit.Double-power controller power circuit of the present utility model is not limited to following reality
Execute the description of example.
As it is shown in figure 1, this utility model Double-power controller power circuit, including immunity module 1, rectification
Module 2, Voltage stabilizing module 3 and power transfer module 4;The input of described immunity module 1 is connected with power supply,
The input of described rectification module 2 is connected with the outfan of immunity module 1, and immunity module 1 prevents electricity
Surge, impulse train in net, pass to harassing and wrecking, it is provided that the circuit of power supply reliability exports to rectification module 2;Described
The input of Voltage stabilizing module 3 is connected with the outfan of rectification module 2, and alternating current power supply is changed by rectification module 2
Export to Voltage stabilizing module 3 for DC source;The input of described power transfer module 4 is defeated with Voltage stabilizing module 3
Going out end to connect, Voltage stabilizing module 3 provides steady voltage for circuit, and is exported by voltage to power transfer module 4,
Protection power transfer module 4 is not burned out;High voltage is converted to low tension by power transfer module 4;Voltage stabilizing
Module 3 includes electrochemical capacitor C301, electrochemical capacitor C302, resistance R303 and resistance R304, electrochemical capacitor
C301 and electrochemical capacitor C302 is connected in series, and improves the pressure performance of electrochemical capacitor, electrochemical capacitor C301's
Negative pole is connected with the positive pole of electrochemical capacitor C302, the positive pole of electrochemical capacitor C301 respectively with rectification module 2
The input of outfan and power transfer module 4 connects, the negative pole of electrochemical capacitor C302 respectively with rectification module
The outfan of 2 and the input of power transfer module 4 connect;Resistance R303 is connected in electrochemical capacitor C301 in parallel
Two ends, resistance R304 is connected in the two ends of electrochemical capacitor C302 in parallel, it is ensured that electrochemical capacitor dividing potential drop is consistent.
This utility model Double-power controller power circuit, by arranging immunity module, rectification module, voltage stabilizing mould
Block and power transfer module, volume is little, it is simple to install;Voltage stabilizing module provides steadily peace for power transfer module
Full voltage, protection power transfer module is not burned out, the electrochemical capacitor C301 and electrochemical capacitor C302 of Voltage stabilizing module
It is pressure that series connection improves electrochemical capacitor, resistance R303, resistance R304 and electrochemical capacitor C301, electrochemical capacitor C302
In parallel, it is ensured that electrochemical capacitor dividing potential drop is consistent.
As it is shown in figure 1, described Voltage stabilizing module 3 also includes resistance R305, resistance R306, stabilivolt Z301,
Stabilivolt Z302, stabilivolt Z303 and power MOS pipe Q301;Described power transfer module 4 includes power supply
Chip U301 and transformator T301, the positive pole of described stabilivolt Z301 is connected with the negative pole of electrochemical capacitor C302,
The negative pole of stabilivolt Z301 is connected with one end of resistance R305, the other end of resistance R305 and electrochemical capacitor C301
Positive pole connect, the positive pole of stabilivolt Z302 is connected with the negative pole of electrochemical capacitor C302, stabilivolt Z302's
Negative pole is connected with one end of resistance R306, and the other end of resistance R306 is connected with the positive pole of electrochemical capacitor C301,
The source electrode of power MOS pipe Q301 is connected to resistance R306 and the intermediate node of stabilivolt Z302, power MOS
The drain electrode of pipe Q301 is connected to the input of the primary side of transformator T301, the grid of power MOS pipe Q301
Is connected with the 6th pin, the 7th pin and the 8th pin of power supply chip U301 simultaneously, stabilivolt Z301 with
The intermediate node of resistance R305 is connected with the 5th pin of power supply chip U301, the positive pole of stabilivolt Z303 with
The grid of power MOS pipe Q301 connects, and the negative pole of stabilivolt Z303 connects with the source electrode of power MOS pipe Q301
Connect.Stabilivolt Z301, stabilivolt Z302 ensure that power supply chip U301 does not damages, and power MOS pipe Q301 goes here and there
It is linked between the primary winding of high frequency transformer T301 and power supply chip U301, improves power supply chip U301's
Input pressure voltage.
Specifically, described stabilivolt Z301, stabilivolt Z302 are transient voltage suppressor diode.Described power
Metal-oxide-semiconductor Q301 is pliotron.The input of described power supply is single supply or dual power supply.Described rectification
Module 2 is all wave rectification or halfwave rectifier.
As it is shown in figure 1, the input of described power supply is dual power supply;Described immunity module 1 includes resistance R301,
Resistance R302, varistor RV301, varistor RV302, inductance coil L301 and inductance coil L302;
Described resistance R301 is connected with power supply A1 with the one end after inductance coil L301 parallel connection, the other end and rectification
The input of module 2 connects, and described varistor RV301 is connected in parallel between power supply A1 phase and power supply N1 phase;
Described resistance R302 is connected with power supply A2 with the one end after inductance coil L302 parallel connection, the other end and rectification
The input of module 2 connects, and described varistor RV302 is connected in parallel between power supply A2 phase and power supply N2 phase.
As it is shown in figure 1, described rectification module 2 is halfwave rectifier;Rectification module 2 includes diode D301,
Diode D302, diode D303 and diode D304;The positive pole of described diode D301 and anti-interference mould
The outfan of block 1 connects, and the negative pole of diode D301 is connected with the input of Voltage stabilizing module 3;Described two poles
The positive pole of pipe D302 is connected with the outfan of immunity module 1, the negative pole of diode D302 and Voltage stabilizing module 3
Input connect;The positive pole of described diode D303 is connected with the input of Voltage stabilizing module 3, diode D303
Negative pole be connected with power supply N2;The positive pole of described diode D304 is connected with the input of Voltage stabilizing module 3,
The negative pole of diode D304 is connected with outfan and the power supply N1 of immunity module 1 respectively.
As it is shown in figure 1, described power transfer module 4 includes power supply chip U301, transformator T301, optocoupler
U302 and electric capacity C303.One end of electric capacity C303 is connected with the outfan of Voltage stabilizing module 3, the other end and two
The negative pole of pole pipe D305 connects, and the positive pole of diode D305 is connected with one end of transformator T301 primary side,
The other end of electric capacity C303 is connected with the other end of transformator T301 primary side simultaneously, and resistance R307 parallel connection is even
Being connected on the two ends of electric capacity C303, one end of transformator T301 primary side connects with the drain electrode of power MOS pipe Q301
Connecing, transformator T301 secondary side includes two secondary coils, one end of one of them secondary coil and diode
The positive pole of D307 connects, and the negative pole of diode D307 is connected with power vd D, the positive pole of polar capacitor C306
It is connected with the negative pole of diode D307, another of the negative pole of polar capacitor C306 and one of them secondary coil
End connects, the other end of one of them secondary coil ground connection simultaneously, one end of another secondary coil and two poles
The positive pole of pipe D306 connects, and the negative pole of diode D306 is connected with one end of resistance R308, resistance R308
The other end be connected with second pin of power supply chip U301, the negative pole of polar capacitor C304 is secondary with another
The other end of sideline circle connects, and the positive pole of polar capacitor C304 is connected with second pin of power supply chip U301,
One end of electric capacity C305 is connected with positive source, and the other end is connected with second pin of power supply chip U301;
One end of electric capacity C307 is connected with the positive pole of polar capacitor C306, other end ground connection, resistance R309 and resistance
R310 is connected in series, and after series connection, one end of resistance R309 is connected with the positive pole of polar capacitor C306, resistance R309
With the input that the intermediate node of resistance R310 and one end of resistance R310 are connected in optocoupler U302 in parallel, electricity
Resistance R311 and resistance R312 is connected in series, and after series connection, one end of resistance R311 is connected with power vd D, resistance
One end ground connection of R312, one end and the resistance R311 of resistance R313 after resistance R313 and electric capacity C310 series connection
Connecting with the intermediate node of resistance R312, one end of electric capacity C310 is connected with the negative pole of voltage reference Q301,
The positive pole of voltage reference Q301 and two ends with resistance R312 are connected respectively with reference to pole, voltage reference Q301's
Negative pole is connected with one end of resistance R310;The outfan of optocoupler U302 is connected in power supply chip U301's in parallel
Three-prong and the 4th pin, the two ends of electric capacity C308 are connected in the three-prong of power supply chip U301 in parallel
With the 4th pin, one end of electric capacity C309 is connected with the outfan of Voltage stabilizing module 3, and the other end is connected to ground;
First pin of power supply chip U301 is connected to positive source, the 6th pin of power supply chip U301, the 7th
Pin and the 8th pin are connected simultaneously to the grid of power MOS pipe Q301 and connect;One end of resistance R306 with
The negative pole of stabilivolt Z301 connects, and the other end of resistance R306 and the positive pole of stabilivolt Z301 are connected to power supply
The input of modular converter 4, the 5th pin of power supply chip U301 is connected to resistance R306 and stabilivolt Z301
Intermediate node.This utility model Double-power controller power circuit uses a high frequency transformer T301, body
Long-pending little, solve volume in existing controller transformer-supplied mode excessive, causing cannot the problem of supporting installation.
As in Figure 2-4, the operation principle of this utility model Double-power controller power circuit is: work as input
When power supply A1, N1 or A2, N2 magnitude of voltage are normal, U1 ≈ U2 ≈ U3;When input power A1, N1 or A2,
When N2 magnitude of voltage is higher than stabilivolt Z301 limit value, U1 > U2 ≈ U3, it is ensured that electrochemical capacitor C301 both end voltage
Constant, protection power transfer module is not damaged by high pressure.
The voltage range of this utility model Double-power controller power circuit is AC85V~AC440V, can be simultaneously
Meet the input voltage of wide scope, protect power circuit reliable operation, improve product quality.
Above content is to combine concrete preferred implementation further detailed description of the utility model,
It cannot be assumed that of the present utility model being embodied as is confined to these explanations.For technology belonging to this utility model
For the those of ordinary skill in field, without departing from the concept of the premise utility, it is also possible to if making
Dry simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. a Double-power controller power circuit, it is characterised in that: include immunity module (1), whole
Flow module (2), Voltage stabilizing module (3) and power transfer module (4);Described immunity module (1)
Input is connected with power supply, the input of described rectification module (2) and the outfan of immunity module (1)
Connect;The input of described Voltage stabilizing module (3) is connected with the outfan of rectification module (2), rectification module
(2) alternating current power supply is converted to DC source export to Voltage stabilizing module (3);Described power transfer module (4)
Input be connected with the outfan of Voltage stabilizing module (3);High voltage is converted to by power transfer module (4)
Low-voltage;
Voltage stabilizing module (3) includes electrochemical capacitor C301, electrochemical capacitor C302, resistance R303 and resistance R304,
Electrochemical capacitor C301 and electrochemical capacitor C302 is connected in series, the negative pole of electrochemical capacitor C301 and electrochemical capacitor
The positive pole of C302 connects, the positive pole of electrochemical capacitor C301 respectively with outfan and the electricity of rectification module (2)
The input of source modular converter (4) connects, the negative pole of electrochemical capacitor C302 respectively with rectification module (2)
Outfan and power transfer module (4) input connect;Resistance R303 is connected in electrochemical capacitor in parallel
The two ends of C301, resistance R304 is connected in the two ends of electrochemical capacitor C302 in parallel.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described voltage stabilizing
Module (3) also includes resistance R305, resistance R306, stabilivolt Z301, stabilivolt Z302, stabilivolt
Z303 and power MOS pipe Q301;Described power transfer module (4) includes power supply chip U301 and change
Depressor T301, the positive pole of described stabilivolt Z301 is connected with the negative pole of electrochemical capacitor C302, stabilivolt Z301
Negative pole be connected with one end of resistance R305, the positive pole of the other end of resistance R305 and electrochemical capacitor C301
Connecting, the positive pole of stabilivolt Z302 is connected with the negative pole of electrochemical capacitor C302, the negative pole of stabilivolt Z302
Being connected with one end of resistance R306, the other end of resistance R306 is connected with the positive pole of electrochemical capacitor C301,
The source electrode of power MOS pipe Q301 is connected to resistance R306 and the intermediate node of stabilivolt Z302, power
The drain electrode of metal-oxide-semiconductor Q301 is connected to the input of the primary side of transformator T301, power MOS pipe Q301
Grid be connected with the 6th pin, the 7th pin and the 8th pin of power supply chip U301 simultaneously, stabilivolt
The intermediate node of Z301 and resistance R305 is connected with the 5th pin of power supply chip U301, stabilivolt Z303
Positive pole be connected with the grid of power MOS pipe Q301, the negative pole of stabilivolt Z303 and power MOS pipe
The source electrode of Q301 connects.
Double-power controller power circuit the most according to claim 2, it is characterised in that: described voltage stabilizing
Pipe Z301, stabilivolt Z302 are transient voltage suppressor diode.
Double-power controller power circuit the most according to claim 2, it is characterised in that: described power
Metal-oxide-semiconductor Q301 is pliotron.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described power supply
Input be single supply or dual power supply.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described power supply
Input be dual power supply;Described immunity module (1) includes resistance R301, resistance R302, pressure-sensitive electricity
Resistance RV301, varistor RV302, inductance coil L301 and inductance coil L302;Described resistance R301
It is connected with power supply A1 with the one end after inductance coil L301 parallel connection, the other end and rectification module (2)
Input connects, and described varistor RV301 is connected in parallel between power supply A1 phase and power supply N1 phase;Described
Resistance R302 is connected with power supply A2 with the one end after inductance coil L302 parallel connection, the other end and rectification mould
The input of block (2) connects, described varistor RV302 be connected in parallel on power supply A2 phase and power supply N2 phase it
Between.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described rectification
Module (2) is all wave rectification or halfwave rectifier.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described rectification
Module (2) is halfwave rectifier;Rectification module (2) includes diode D301, diode D302, two poles
Pipe D303 and diode D304;The positive pole of described diode D301 and the outfan of immunity module (1)
Connecting, the negative pole of diode D301 is connected with the input of Voltage stabilizing module (3);Described diode D302
Positive pole be connected with the outfan of immunity module (1), the negative pole of diode D302 and Voltage stabilizing module (3)
Input connect;The positive pole of described diode D303 is connected with the input of Voltage stabilizing module (3), two poles
The negative pole of pipe D303 is connected with power supply N2;The positive pole of described diode D304 and Voltage stabilizing module (3)
Input connect, the negative pole of diode D304 respectively with outfan and the power supply of immunity module (1)
N1 is connected.
Double-power controller power circuit the most according to claim 1, it is characterised in that: described power supply
Modular converter (4) includes power supply chip U301, transformator T301, optocoupler U302 and electric capacity C303;
One end of electric capacity C303 is connected with the outfan of Voltage stabilizing module (3), and the other end is negative with diode D305's
Pole connects, and the positive pole of diode D305 is connected with one end of transformator T301 primary side, electric capacity C303's
The other end is connected with the other end of transformator T301 primary side simultaneously, and resistance R307 is connected in electric capacity in parallel
The two ends of C303, one end of transformator T301 primary side is connected with the drain electrode of power MOS pipe Q301, becomes
Depressor T301 secondary side includes two secondary coils, one end of one of them secondary coil and diode D307
Positive pole connect, the negative pole of diode D307 is connected with power vd D, the positive pole of polar capacitor C306 and
The negative pole of diode D307 connects, the negative pole of polar capacitor C306 and the other end of one of them secondary coil
Connect, the other end of one of them secondary coil ground connection, one end of another secondary coil and diode simultaneously
The positive pole of D306 connects, and the negative pole of diode D306 is connected with one end of resistance R308, resistance R308
The other end be connected with second pin of power supply chip U301, the negative pole of polar capacitor C304 is secondary with another
The other end of sideline circle connects, and the positive pole of polar capacitor C304 is connected with second pin of power supply chip U301,
One end of electric capacity C305 is connected with positive source, and the other end is connected with second pin of power supply chip U301;
One end of electric capacity C307 is connected with the positive pole of polar capacitor C306, other end ground connection, resistance R309 and electricity
Resistance R310 is connected in series, and after series connection, one end of resistance R309 is connected with the positive pole of polar capacitor C306, electricity
One end of resistance R309 and the intermediate node of resistance R310 and resistance R310 is connected in optocoupler U302's in parallel
Input, resistance R311 and resistance R312 are connected in series, one end of resistance R311 and power supply after series connection
VDD connects, one end ground connection of resistance R312, resistance R313 after resistance R313 and electric capacity C310 series connection
One end be connected with the intermediate node of resistance R311 and resistance R312, one end of electric capacity C310 and voltage base
The negative pole of quasi-Q301 connects, the positive pole of voltage reference Q301 and with reference to pole respectively with the two ends of resistance R312
Connecting, the negative pole of voltage reference Q301 is connected with one end of resistance R310;The outfan of optocoupler U302 is also
Connection is connected to three-prong and the 4th pin of power supply chip U301, and the two ends of electric capacity C308 are connected in parallel
The three-prong of power supply chip U301 and the 4th pin, one end of electric capacity C309 and Voltage stabilizing module (3)
Outfan connects, and the other end is connected to ground;First pin of power supply chip U301 is connected to positive source,
6th pin, the 7th pin and the 8th pin of power supply chip U301 are connected simultaneously to power MOS pipe Q301
Grid connect;One end of resistance R306 is connected with the negative pole of stabilivolt Z301, another of resistance R306
The positive pole of end and stabilivolt Z301 is connected to the input of power transfer module (4), power supply chip U301
The 5th pin be connected to resistance R306 and the intermediate node of stabilivolt Z301.
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CN106787144A (en) * | 2016-12-29 | 2017-05-31 | 施耐德万高(天津)电气设备有限公司 | Excitation-type automatic transfer switching electric appliance controller |
CN106787850A (en) * | 2016-12-29 | 2017-05-31 | 施耐德万高(天津)电气设备有限公司 | Automatic transfer switching electric appliance controller power source special |
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CN106787144A (en) * | 2016-12-29 | 2017-05-31 | 施耐德万高(天津)电气设备有限公司 | Excitation-type automatic transfer switching electric appliance controller |
CN106787850A (en) * | 2016-12-29 | 2017-05-31 | 施耐德万高(天津)电气设备有限公司 | Automatic transfer switching electric appliance controller power source special |
CN106787143A (en) * | 2016-12-29 | 2017-05-31 | 施耐德万高(天津)电气设备有限公司 | Excitation-type automatic transfer switching electric appliance controller |
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CN107171574A (en) * | 2016-12-29 | 2017-09-15 | 施耐德万高(天津)电气设备有限公司 | Low-voltage distribution system power source special |
CN106787143B (en) * | 2016-12-29 | 2019-10-29 | 施耐德万高(天津)电气设备有限公司 | Excitation-type automatic transfer switching electric appliance controller |
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Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Power supply circuit of dual power controller Granted publication date: 20161123 License type: Common License Record date: 20201021 |
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