CN107612384A - Safety-type dynamic driver circuit - Google Patents
Safety-type dynamic driver circuit Download PDFInfo
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- CN107612384A CN107612384A CN201711072933.1A CN201711072933A CN107612384A CN 107612384 A CN107612384 A CN 107612384A CN 201711072933 A CN201711072933 A CN 201711072933A CN 107612384 A CN107612384 A CN 107612384A
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Abstract
The invention discloses a kind of safety-type dynamic driver circuit, the safety-type dynamic driver circuit includes：First controller；Second controller；First transformer and the first driver for controlling first transformer according to the first low frequency dynamic square-wave signal；Second transformer and the second driver for controlling second transformer according to the second low frequency dynamic square-wave signal；First rectification module；Second rectification module；High-frequency impulse module；Coupling module is driven, the driving coupling module is connected with first rectification module, the high-frequency impulse module；3rd transformer and the 3rd driver for controlling the 3rd transformer according to the pulse signal of the forward bias；3rd rectification module, for carrying out rectification to the secondary side signal of the 3rd transformer.Safety-type dynamic driver circuit provided by the invention can improve energy transmission efficiency, advantageously reduce volume of transformer.
Description
Technical field
The present invention relates to railway signal control technical field, and in particular to a kind of safety-type dynamic driver circuit.
Background technology
Safety-type dynamic driver circuit is often applied in railway signal control system, the method mainly used at present is control
Device exports the effective dynamic square-wave signal of two-way, because the performance of controller limits, it is impossible to which output frequency is higher effectively to be moved
State square-wave signal, energy transmission efficiency is extremely inefficient, and generally use increases volume of transformer to cover the shortage at present, while also needs
Consider the progression of failure that single dynamic square-wave signal is brought in the case of fault.
The content of the invention
It is an object of the invention to provide a kind of safety-type dynamic driver circuit, it is possible to increase energy transmission efficiency, favorably
In reduction volume of transformer.
To achieve the above object, technical scheme provides a kind of safety-type dynamic driver circuit, including：
First controller, for exporting the first low frequency dynamic square-wave signal, the frequency of the first low frequency dynamic square-wave signal
Rate is 1KHz~5KHz；
Second controller, for exporting the second low frequency dynamic square-wave signal, the frequency of the second low frequency dynamic square-wave signal
Rate is 1KHz~5KHz；
First transformer and for controlling the of first transformer according to the first low frequency dynamic square-wave signal
One driver；
Second transformer and for controlling the of second transformer according to the second low frequency dynamic square-wave signal
Two drivers；
First rectification module, for carrying out rectification to the secondary side signal of first transformer, to generate the first direct current
Power supply signal；
Second rectification module, for carrying out rectification to the secondary side signal of second transformer, to generate the second direct current
Power supply signal；
High-frequency impulse module, for generating high frequency dynamic square-wave signal, the height according to second DC power signal
The frequency of frequency dynamic square-wave signal is 80KHz~100KHz；
Coupling module is driven, the driving coupling module is connected with first rectification module, the high-frequency impulse module,
The driving coupling module is used for when the first rectification module exports first DC power signal and the high-frequency impulse module
The pulse signal of forward bias is exported when exporting the high frequency dynamic square-wave signal；
3rd transformer and for controlling the 3rd of the 3rd transformer the according to the pulse signal of the forward bias
Driver；
3rd rectification module, for carrying out rectification to the secondary side signal of the 3rd transformer, it is used for generation to negative
Carry the DC power signal of power supply.
Further, first driver include the first electric capacity, first resistor, second resistance, the first diode and
First triode；
Wherein, the first end of first electric capacity connects first controller, the second end connection of first electric capacity
The first end of the first resistor, the second end of the first resistor connect the negative pole of first diode, second electricity
The base stage of the first end of resistance, first triode；
The positive pole of first diode, the grounded emitter at the second end of the second resistance, first triode；
The colelctor electrode of first triode connects one end of the first transformer primary side；
Second driver includes the second electric capacity, 3rd resistor, the 4th resistance, the second diode and the second three-level
Pipe；
Wherein, the first end of second electric capacity connects the second controller, the second end connection of second electric capacity
The first end of the 3rd resistor, the second end of the 3rd resistor connect the negative pole of second diode, the 4th electricity
The base stage of the first end of resistance, second triode；
The positive pole of second diode, the 4th resistance the second end, second triode grounded emitter；
The colelctor electrode of second triode connects one end of the second transformer primary side.
Further, the high-frequency impulse module is connected by the first optical coupling module with the driving coupling module.
Further, first rectification module includes the first rectifier, the 3rd electric capacity, the first inductance, the 4th electric capacity, the
Three diodes, the 5th resistance；
Wherein, the first input end of first rectifier connects one end of first Circuit Fault on Secondary Transformer, and described the
Second input of one rectifier connects the other end of first Circuit Fault on Secondary Transformer；
First output end of first rectifier connects the first end of the 3rd electric capacity, the first of first inductance
End；
The first end of the second end connection the 4th electric capacity of first inductance, the negative pole of the 3rd diode, institute
State the first end of the 5th resistance, the driving coupling module；
Second output end of first rectifier, the second end of the 3rd electric capacity, the 4th electric capacity the second end,
The positive pole of 3rd diode, the second end ground connection of the 5th resistance；
Second rectification module include the second rectifier, the 5th electric capacity, the second inductance, the 6th electric capacity, the 4th diode,
6th resistance；
Wherein, the first input end of second rectifier connects one end of second Circuit Fault on Secondary Transformer, and described the
Second input of two rectifiers connects the other end of second Circuit Fault on Secondary Transformer；
First output end of second rectifier connects the first end of the 5th electric capacity, the first of second inductance
End；
The first end of the second end connection the 6th electric capacity of second inductance, the negative pole of the 4th diode, institute
State the first end of the 6th resistance, the high-frequency impulse module；
Second output end of second rectifier, the second end of the 5th electric capacity, the 6th electric capacity the second end,
The positive pole of 4th diode, the second end ground connection of the 6th resistance.
Further, the high-frequency impulse module includes phase inverter, the 7th electric capacity, the 7th resistance and the 8th resistance；
Wherein, the input of the phase inverter connects first end, the first end of the 7th electric capacity of the 7th resistance,
The output end of the phase inverter connects the second end of the 7th resistance, the first end of the 8th resistance, the phase inverter
Power end connects the second end, one end of the first optical coupling module primary side of second inductance；
Second end of the 8th resistance connects the other end of the first optical coupling module primary side, the 7th electric capacity
Second end is grounded.
Further, the driving coupling module includes the 4th transformer, the 8th electric capacity, the 5th diode；
One end of the 4th transformer primary side connects the second end of first inductance, and the 4th transformer is once
The other end of side connects one end of the first optical coupling module secondary side, another termination of the first optical coupling module secondary side
Ground, one end of the 4th Circuit Fault on Secondary Transformer connect the first end of the 8th electric capacity, the 4th Circuit Fault on Secondary Transformer
The other end connects the positive pole of the 5th diode, and the negative pole of the 5th diode connects the second end of the 8th electric capacity.
Further, the 3rd driver include the 9th resistance, the tenth resistance, power field effect pipe, the 6th diode,
9th electric capacity, the 11st resistance；
The first end of 9th resistance connects the second end of the 8th electric capacity, the second end connection of the 9th resistance
The first end of the grid of the power field effect pipe, the tenth resistance, the second end of the tenth resistance, power field effect
Should pipe source ground；
The drain electrode of the power field effect pipe connects the positive pole of the 6th diode, the 3rd transformer primary side
One end, the negative pole of the 6th diode connect first end, the first end of the 11st resistance of the 9th electric capacity；
Second end of the second end connection the 11st resistance of the 9th electric capacity, 24V power supplys, the 3rd transformer
The other end of primary side.
Further, the 3rd rectification module includes the 7th diode, the tenth electric capacity；
The positive pole of 7th diode connects one end of the 3rd Circuit Fault on Secondary Transformer, and the 7th diode is born
Pole connects the first end of the tenth electric capacity, and the second end of the tenth electric capacity connects the another of the 3rd Circuit Fault on Secondary Transformer
End.
Further, the safety-type dynamic driver circuit also includes the first level detection module and second electrical level detection mould
Block；
First level detection module includes the 3rd triode and the 12nd resistance, the colelctor electrode of the 3rd triode
The signal detection end of first controller is connected, the base stage of the 3rd triode passes through described in the 12nd resistance connection
The signal output part of first controller；
The second electrical level detection module includes the 4th triode and the 13rd resistance, the colelctor electrode of the 4th triode
The signal detection end of the second controller is connected, the base stage of the 4th triode passes through described in the 13rd resistance connection
The signal output part of second controller.
Further, the safety-type dynamic driver circuit also includes the 3rd level detection module；
3rd level detection module includes the 8th diode, the second optical coupling module and the 14th resistance, and described second
One end of optical coupling module primary side connects the first end of the 14th resistance, described in the second end connection of the 14th resistance
The negative pole of 8th diode, the positive pole of the 8th diode connect one end of the load, and second optical coupling module is once
The other end of side connects the other end of the load.
Safety-type dynamic driver circuit provided by the invention, the method generated using power supply, by the relatively low dynamic side of frequency
Ripple signal is converted into higher dynamic square-wave signal, can improve energy transmission efficiency, advantageously reduces volume of transformer, simplifies
Circuit design, and the problem of can effectively solve the problem that controller performance deficiency.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for safety-type dynamic driver circuit that embodiment of the present invention provides；
Fig. 2 is the schematic diagram for another safety-type dynamic driver circuit that embodiment of the present invention provides.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1, Fig. 1 be embodiment of the present invention provide a kind of safety-type dynamic driver circuit schematic diagram, the peace
Holotype dynamic driver circuit includes：
First controller 1, for exporting the first low frequency dynamic square-wave signal, the frequency of the first low frequency dynamic square-wave signal
Rate is 1KHz~5KHz；
Second controller 2, for exporting the second low frequency dynamic square-wave signal, the frequency of the second low frequency dynamic square-wave signal
Rate is 1KHz~5KHz；
First transformer T1 and for controlling first transformer according to the first low frequency dynamic square-wave signal
First driver 3；
Second transformer T2 and for controlling second transformer according to the second low frequency dynamic square-wave signal
Second driver 4；
First rectification module 5, for carrying out rectification to the secondary side signal of first transformer, to generate the first direct current
Power supply signal；
Second rectification module 6, for carrying out rectification to the secondary side signal of second transformer, to generate the second direct current
Power supply signal；
High-frequency impulse module 7, for generating high frequency dynamic square-wave signal, the height according to second DC power signal
The frequency of frequency dynamic square-wave signal is 80KHz~100KHz；
Drive coupling module 8, the driving coupling module and first rectification module, the high-frequency impulse module phase
Even, the driving coupling module is used for when the first rectification module exports first DC power signal and the high-frequency impulse mould
Block exports the pulse signal of forward bias when exporting the high frequency dynamic square-wave signal；
3rd transformer T3 and for controlling the of the 3rd transformer according to the pulse signal of the forward bias
Three drivers 9；
3rd rectification module 10, for carrying out rectification to the secondary side signal of the 3rd transformer, it is used for pair with generation
The DC power signal of the power supply of load 11.
The safety-type dynamic driver circuit that embodiment of the present invention provides, the method generated using power supply are relatively low by frequency
Dynamic square-wave signal be converted into higher dynamic square-wave signal, energy transmission efficiency can be improved, advantageously reduce transformer
The problem of volume, simplifying circuit design, and can effectively solve the problem that controller performance deficiency.
Preferably, in embodiments of the present invention, the high-frequency impulse module passes through the first optical coupling module and the driving
Coupling module is connected.
Referring to Fig. 2, Fig. 2 is the schematic diagram for another safety-type dynamic driver circuit that embodiment of the present invention provides, should
Safety-type dynamic driver circuit includes the first controller, second controller, the first transformer T1, the first driver, the second transformation
Device T2, the second driver, the first rectification module, the second rectification module, high-frequency impulse module, driving coupling module, the 3rd transformation
Device T3, the 3rd driver and the 3rd rectification module；
Wherein, it is respectively used to export 1KHz~5KHz the first dynamic square-wave signal by the first controller and second controller
DT1 and 1KHz~5KHz the second dynamic square-wave signal DT2；
Wherein, first driver includes the first electric capacity C1, first resistor R1, second resistance R3, the first diode D1
And the first triode Q1, the first dynamic square-wave signal DT1 driven after C1 and R1 current limlitings Q1, wherein C1 be used to isolating DT1 it is straight
Stream, D1 are used for clamper negative pressure；
Wherein, the first end of the first electric capacity C1 connects first controller, the second end of the first electric capacity C1
Connect the first end of the first resistor R1, the second end of the first resistor R1 connect the negative pole of the first diode D1,
The base stage of the first end of the second resistance R3, the first triode Q1；
The positive pole of the first diode D1, the transmitting at the second end of the second resistance R3, the first triode Q1
Pole is grounded GND1；
The colelctor electrode of the first triode Q1 connects one end of the first transformer T1 primary sides, the first transformer T1
The other end connection power supply VCC1 of primary side, is become by the opening and closing that the first frequency of drives is 1KHz~5KHz, first
Depressor T1 couples energy to secondary survey, and wherein VCC1 can be the 3V-5.5V power supplys of independence or dependent；
Second driver includes the second electric capacity C4,3rd resistor R5, the 4th resistance R7, the second diode D4 and the
Two triode Q3, the second dynamic square-wave signal DT2 drive Q3, wherein C4 to be used to isolate DT2 direct currents after C4 and R5 current limlitings, and D4 is used
In clamper negative pressure；
Wherein, the first end of the second electric capacity C4 connects the second controller, the second end of the second electric capacity C4
Connect the first end of the 3rd resistor R5, the second end of the 3rd resistor R5 connect the negative pole of the second diode D4,
The base stage of the first end of the 4th resistance R7, the second triode Q3；
The positive pole of the second diode D4, the transmitting at the second end, the second triode Q3 of the 4th resistance R7
Pole is grounded GND3；
The colelctor electrode of the second triode Q3 connects one end of the second transformer T2 primary sides, second transformation
The other end connection power supply VCC3 of device T2 primary sides, the opening and closing by the second frequency of drives for 1KHz~5KHz, the
Two transformer T2 couple energy to secondary survey, and wherein VCC3 can be the 3V-5.5V power supplys of independence or dependent.
Wherein, first rectification module includes the first rectifier D2, the 3rd electric capacity C2, the first inductance L1, the 4th electric capacity
C3, the 3rd diode D3, the 5th resistance R4, D3 are clamping diode, the first transformer T1 after the first rectifier D2 rectifications, then
Filtered by pin network, form the first DC power signal VCC2；
Wherein, the first input end of the first rectifier D2 connects one end of the first transformer T1 secondary sides, institute
The second input for stating the first rectifier D2 connects the other end of the first transformer T1 secondary sides；
The first output end of the first rectifier D2 connects the first end of the 3rd electric capacity C2, the first inductance L1
First end；
The second end of the first inductance L1 connect the first end of the 4th electric capacity C3, the 3rd diode D3 it is negative
Pole, the first end of the 5th resistance R4, the driving coupling module；
The second output end of the first rectifier D2, the second end of the 3rd electric capacity C2, the 4th electric capacity C3
Second end, the positive pole of the 3rd diode D3, the second end ground connection GND2 of the 5th resistance R4；
Second rectification module includes the second rectifier D5, the 5th electric capacity C5, the second inductance L2, the 6th electric capacity C6, the
Four diode D6, the 6th resistance R8, D6 are clamping diode, and the second transformer T2 is after the second rectifier D5 rectifications, then by π types
Network filtering, form the second DC power signal VCC4；
Wherein, the first input end of the second rectifier D5 connects one end of the second transformer T2 secondary sides, institute
The second input for stating the second rectifier D5 connects the other end of the second transformer T2 secondary sides；
The first output end of the second rectifier D5 connects the first end of the 5th electric capacity C5, the second inductance L2
First end；
The second end of the second inductance L2 connect the first end of the 6th electric capacity C6, the 4th diode D6 it is negative
Pole, the first end of the 6th resistance R8, the high-frequency impulse module；
The second output end of the second rectifier D5, the second end of the 5th electric capacity C5, the 6th electric capacity C6
Second end, the positive pole of the 4th diode D6, the second end ground connection GND4 of the 6th resistance R8.
Wherein, the high-frequency impulse module includes phase inverter U1, the 7th electric capacity C7, the 7th resistance R9 and the 8th resistance R10；
Wherein, the input of the phase inverter U1 connects the first end of the 7th resistance R9, the 7th electric capacity C7
First end, the output end of the phase inverter U1 connect the second end of the 7th resistance R9, the first of the 8th resistance R10
End, the power end of the phase inverter U1 connect the second end of the second inductance L2, the first optical coupling module O1 primary sides
One end；
The other end of the second end connection the first optical coupling module O1 primary sides of the 8th resistance R10, the described 7th
Electric capacity C7 the second end ground connection GND4；
Phase inverter U1 output end accesses phase inverter U1 input after R9 and C7, forms from concussion network, concussion frequency
Rate can be by selecting different resistance values and capacitance to be matched, and it is (silent that current concussion frequency is configurable on 80KHz~100KHz
Recognize 90KHz).Phase inverter U1 output ends control the first optical coupling module O1 primary sides, and high-frequency impulse module powered by VCC4, when there is electricity
When, the first optical coupling module O1 primary sides form 80KHz~100KHz frequencies, and dutycycle is about the impulse wave of (40%~50%)；
Wherein, it is described driving coupling module include the 4th transformer T4, the 8th electric capacity C17, the 5th diode D7, the five or two
Pole pipe D7 is clamping diode；
One end of the 4th transformer T4 primary sides connects the second end of the first inductance L1, the 4th transformer
The other end of T4 primary sides connects one end of the first optical coupling module O1 secondary sides, the first optical coupling module O1 secondary sides
The other end is grounded GND2, and one end of the 4th transformer T4 secondary sides connects the first end of the 8th electric capacity C17, and described the
The other ends of four transformer T4 secondary sides connects the 5th diode D7 positive pole, described in the negative pole connection of the 5th diode D7
8th electric capacity C17 the second end, driving coupling module powered by VCC2, when have electricity and the first optical coupling module O1 primary sides have
During the impulse wave of 80KHz~100KHz frequencies, the 4th transformer T4 secondary side exports the alternating-current pulse ripple of same frequency.Exchange
Impulse waveform exports the impulse waveform of forward bias after Capacitor apart and positive parallel clamp diode D7；
Wherein, the 3rd driver includes the 9th resistance R11, the tenth resistance R12, power field effect pipe Q5, the six or two
Pole pipe D8, the 9th electric capacity C12, the 11st resistance R13；
The first end of the 9th resistance R11 connects the second end of the 8th electric capacity C17, the 9th resistance R11's
Second end connects the grid of the power field effect pipe Q5, the first end of the tenth resistance R12, the tenth resistance R12's
Second end, the source ground GND24 of the power field effect pipe Q5；
The drain electrode of the power field effect pipe Q5 connects positive pole, the 3rd transformer T3 mono- of the 6th diode D8
One end of secondary side, the negative pole of the 6th diode D8 connect the first end of the 9th electric capacity C12, the 11st resistance
R13 first end；
The second end of the 9th electric capacity C12 connects the second end of the 11st resistance R13,24V power supplys, the described 3rd
The other end of transformer T3 primary sides；
3rd driver is controlled by the positive bigoted impulse waveform of driving coupling module output, and connect the 3rd transformer T3
After access power supply+24V, coupled power into by the 3rd transformer T3 to bis- surveys of the 3rd transformer T3
Wherein, the 3rd transformer T3 output energy is rectified into by direct current signal by the 3rd rectification module, the described 3rd
Rectification module includes the 7th diode D9, the tenth electric capacity C13；
The positive pole of the 7th diode D9 connects one end of the 3rd transformer T3 secondary sides, the 7th diode
D9 negative pole connects the first end of the tenth electric capacity C13, and the second end of the tenth electric capacity C13 connects the 3rd transformer
The other end of T3 secondary sides.
Preferably, in embodiments of the present invention, the safety-type dynamic driver circuit also includes the first level detection mould
Block and second electrical level detection module；
First level detection module includes the 3rd triode Q2 and the 12nd resistance R2, the 3rd triode Q2's
Colelctor electrode connects the signal detection end of first controller, and the base stage of the 3rd triode Q2 passes through the 12nd resistance
The signal output part (being used for the signal output part for exporting the first low frequency dynamic square-wave signal) of R2 connections first controller,
DT1 signals drive Q2, Q2 output DTCK1 after resistance R2, and the output designs for open collector, to facilitate the different electricity of matching
The detection of grade is pressed, can be read out by the first controller；
The second electrical level detection module includes the 4th triode Q4 and the 13rd resistance R6, the 4th triode Q4's
Colelctor electrode connects the signal detection end of the second controller, and the base stage of the 4th triode Q4 passes through the 13rd resistance
The signal output part (being used for the signal output part for exporting the second low frequency dynamic square-wave signal) of the R6 connections second controller,
DT2 signals drive Q4, Q4 output DTCK2 after resistance R6, and the output designs for open collector, to facilitate the different electricity of matching
The detection of grade is pressed, can be read out by second controller.
Preferably, in embodiments of the present invention, the safety-type dynamic driver circuit also includes the 3rd level detection mould
Block；
3rd level detection module includes the 8th diode D10, the second optical coupling module O2 and the 14th resistance R14,
One end of the second optical coupling module O2 primary sides connects the first end of the 14th resistance R14, the 14th resistance R14
The second end connect the negative pole of the 8th diode D10, the positive pole of the 8th diode D10 connects the one of the load RL
End, the other end connection load RL of the second optical coupling module O2 primary sides other end, when there is driving voltage at load RL ends,
Second optical coupling module O2 secondary survey is connected, and the 3rd level detection module is detected by the first controller or second controller
Output signal FD may determine that whether load RL has driving, and the output designs for open collector, to facilitate the different voltages of matching
The detection of grade.
In embodiments of the present invention, the first controller output 1KHz~5KHz the first dynamic square-wave signal, by the
One driver control the first transformer T1 primary sides couple a signal to the first transformer T1 secondary sides, then to secondary side signal
Dc source VCC2 is rectified into by the first rectification module.Second controller output 1KHz~5KHz the second dynamic square wave letter
Number, the second transformer T2 secondary sides are coupled a signal to by second driver control the second transformer T2 primary sides, it is then right
Secondary side signal is rectified into dc source VCC4 by the second rectification module.Power supply VCC4 is high-frequency impulse module for power supply, power supply
High-frequency impulse module afterwards shakes output 80KHz~100KHz high frequency dynamic square-wave signal by RC, exports to the first optocoupler
The primary side of module, power supply VCC2 provide power supply for the secondary side of optical coupling module, when the first optical coupling module primary side have 80KHz~
During 100KHz square wave input, secondary side exports 80KHz~100KHz square wave, and the square wave is isolated simultaneously by the 4th transformer T4
After electric capacity C17 and diode D7 biasing, the pulse signal of forward bias is exported, and then control the 3rd driver.3rd becomes
Depressor T3 is controlled by the 3rd driver, under the conditions of control frequency 80KHz~100KHz of the 3rd driver, the 3rd transformer T3
+ 24V sides ability is coupled to secondary side, the driving load RL after the 3rd rectification module rectification.Controller 1 exports square-wave signal
DT1 can be read and verified by the first level detection module.Second controller output square-wave signal DT2 can be examined by second electrical level
Survey module to read and verify, whether load RL has driving to read and verify by the 3rd level detection module.
In embodiments of the present invention, when the first controller and second controller export effective dynamic square-wave signal simultaneously
When, power output could be provided for load, present invention design is simple, integrated level is high, can be applied in railway signal control system
Relay driving control with failure safe demand, particularly relate to have two to take the relay of two structure safety control systems to drive
Moving cell.
The present invention by the relatively low dynamic square-wave signal of frequency by being converted into higher dynamic square-wave signal, in frequency 1KHz
Under the conditions of~5KHz dynamic square waves, control outputs 80KHz~100KHz dynamic driving square wave, effectively reduces controller
Software and hardware resources consume, and improve efficiency of transmission and circuit level, realize fault safety, effectively solve controller performance
The problem of insufficient.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (10)
- A kind of 1. safety-type dynamic driver circuit, it is characterised in that including：First controller, for exporting the first low frequency dynamic square-wave signal, the frequency of the first low frequency dynamic square-wave signal is 1KHz~5KHz；Second controller, for exporting the second low frequency dynamic square-wave signal, the frequency of the second low frequency dynamic square-wave signal is 1KHz~5KHz；First transformer and the first drive for controlling first transformer according to the first low frequency dynamic square-wave signal Dynamic device；Second transformer and the second drive for controlling second transformer according to the second low frequency dynamic square-wave signal Dynamic device；First rectification module, for carrying out rectification to the secondary side signal of first transformer, to generate the first dc source Signal；Second rectification module, for carrying out rectification to the secondary side signal of second transformer, to generate the second dc source Signal；High-frequency impulse module, for generating high frequency dynamic square-wave signal according to second DC power signal, the high frequency moves The frequency of state square-wave signal is 80KHz~100KHz；Coupling module is driven, the driving coupling module is connected with first rectification module, the high-frequency impulse module, described Coupling module is driven to be used for when the first rectification module exports first DC power signal and the high-frequency impulse module exports The pulse signal of forward bias is exported during the high frequency dynamic square-wave signal；3rd transformer and the 3rd driving for controlling the 3rd transformer according to the pulse signal of the forward bias Device；3rd rectification module, for carrying out rectification to the secondary side signal of the 3rd transformer, it is used to supply load with generation The DC power signal of electricity.
- 2. safety-type dynamic driver circuit according to claim 1, it is characterised in that first driver includes first Electric capacity, first resistor, second resistance, the first diode and the first triode；Wherein, the first end of first electric capacity connects first controller, described in the second end connection of first electric capacity The first end of first resistor, the second end of the first resistor connect the negative pole of first diode, the second resistance The base stage of first end, first triode；The positive pole of first diode, the grounded emitter at the second end of the second resistance, first triode；The colelctor electrode of first triode connects one end of the first transformer primary side；Second driver includes the second electric capacity, 3rd resistor, the 4th resistance, the second diode and the second triode；Wherein, the first end of second electric capacity connects the second controller, described in the second end connection of second electric capacity The first end of 3rd resistor, the second end of the 3rd resistor connect the negative pole of second diode, the 4th resistance The base stage of first end, second triode；The positive pole of second diode, the 4th resistance the second end, second triode grounded emitter；The colelctor electrode of second triode connects one end of the second transformer primary side.
- 3. safety-type dynamic driver circuit according to claim 1, it is characterised in that the high-frequency impulse module is led to The first optical coupling module is crossed with the driving coupling module to be connected.
- 4. safety-type dynamic driver circuit according to claim 3, it is characterised in that first rectification module includes the One rectifier, the 3rd electric capacity, the first inductance, the 4th electric capacity, the 3rd diode, the 5th resistance；Wherein, the first input end of first rectifier connects one end of first Circuit Fault on Secondary Transformer, and described first is whole The second input for flowing device connects the other end of first Circuit Fault on Secondary Transformer；First output end of first rectifier connects first end, the first end of first inductance of the 3rd electric capacity；Second end of first inductance connects the first end of the 4th electric capacity, the negative pole of the 3rd diode, described the The first end of five resistance, the driving coupling module；Second output end of first rectifier, the second end of the 3rd electric capacity, the second end, described of the 4th electric capacity The second end ground connection of the positive pole of 3rd diode, the 5th resistance；Second rectification module includes the second rectifier, the 5th electric capacity, the second inductance, the 6th electric capacity, the 4th diode, the 6th Resistance；Wherein, the first input end of second rectifier connects one end of second Circuit Fault on Secondary Transformer, and described second is whole The second input for flowing device connects the other end of second Circuit Fault on Secondary Transformer；First output end of second rectifier connects first end, the first end of second inductance of the 5th electric capacity；Second end of second inductance connects the first end of the 6th electric capacity, the negative pole of the 4th diode, described the The first end of six resistance, the high-frequency impulse module；Second output end of second rectifier, the second end of the 5th electric capacity, the second end, described of the 6th electric capacity The second end ground connection of the positive pole of 4th diode, the 6th resistance.
- 5. safety-type dynamic driver circuit according to claim 4, it is characterised in that the high-frequency impulse module includes anti- Phase device, the 7th electric capacity, the 7th resistance and the 8th resistance；Wherein, the input of the phase inverter connects first end, the first end of the 7th electric capacity of the 7th resistance, described The output end of phase inverter connects the second end of the 7th resistance, the first end of the 8th resistance, the power supply of the phase inverter End connects the second end, one end of the first optical coupling module primary side of second inductance；The other end of the second end connection the first optical coupling module primary side of 8th resistance, the second of the 7th electric capacity End ground connection.
- 6. safety-type dynamic driver circuit according to claim 5, it is characterised in that the driving coupling module includes the Four transformers, the 8th electric capacity, the 5th diode；One end of the 4th transformer primary side connects the second end of first inductance, the 4th transformer primary side The other end connects one end of the first optical coupling module secondary side, the other end ground connection of the first optical coupling module secondary side, institute The one end for stating the 4th Circuit Fault on Secondary Transformer connects the first end of the 8th electric capacity, the other end of the 4th Circuit Fault on Secondary Transformer The positive pole of the 5th diode is connected, the negative pole of the 5th diode connects the second end of the 8th electric capacity.
- 7. safety-type dynamic driver circuit according to claim 6, it is characterised in that the 3rd driver includes the 9th Resistance, the tenth resistance, power field effect pipe, the 6th diode, the 9th electric capacity, the 11st resistance；The first end of 9th resistance connects the second end of the 8th electric capacity, described in the second end connection of the 9th resistance The first end of the grid of power field effect pipe, the tenth resistance, the second end of the tenth resistance, the power field effect pipe Source ground；The drain electrode of the power field effect pipe connects the positive pole of the 6th diode, the one of the 3rd transformer primary side End, the negative pole of the 6th diode connect first end, the first end of the 11st resistance of the 9th electric capacity；Second end of the 9th electric capacity connects the second end of the 11st resistance, 24V power supplys, the 3rd transformer once The other end of side.
- 8. safety-type dynamic driver circuit according to claim 7, it is characterised in that the 3rd rectification module includes the Seven diodes, the tenth electric capacity；The positive pole of 7th diode connects one end of the 3rd Circuit Fault on Secondary Transformer, and the negative pole of the 7th diode connects The first end of the tenth electric capacity is connect, the second end of the tenth electric capacity connects the other end of the 3rd Circuit Fault on Secondary Transformer.
- 9. safety-type dynamic driver circuit according to claim 1, it is characterised in that the safety-type dynamic driver circuit Also include the first level detection module and second electrical level detection module；First level detection module includes the 3rd triode and the 12nd resistance, the colelctor electrode connection of the 3rd triode The signal detection end of first controller, the base stage of the 3rd triode connect described first by the 12nd resistance The signal output part of controller；The second electrical level detection module includes the 4th triode and the 13rd resistance, the colelctor electrode connection of the 4th triode The signal detection end of the second controller, the base stage of the 4th triode connect described second by the 13rd resistance The signal output part of controller.
- 10. safety-type dynamic driver circuit according to claim 1, it is characterised in that the safety-type dynamic driving electricity Road also includes the 3rd level detection module；3rd level detection module includes the 8th diode, the second optical coupling module and the 14th resistance, second optocoupler One end of module primary side connects the first end of the 14th resistance, the second end connection the described 8th of the 14th resistance The negative pole of diode, the positive pole of the 8th diode connect one end of the load, the second optical coupling module primary side The other end connects the other end of the load.
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| CN201711072933.1A CN107612384B (en) | 2017-11-03 | 2017-11-03 | Safe type dynamic drive circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711072933.1A CN107612384B (en) | 2017-11-03 | 2017-11-03 | Safe type dynamic drive circuit |
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| CN107612384B CN107612384B (en) | 2020-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923774A (en) * | 2018-08-06 | 2018-11-30 | 北京电铁海丰技术发展有限公司 | A kind of switching circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205829463U (en) * | 2016-06-29 | 2016-12-21 | 北京和利时系统工程有限公司 | A kind of Circuits System of fault-safety principle |
| CN107094011A (en) * | 2017-06-06 | 2017-08-25 | 武汉贝通科技有限公司 | A kind of dynamic driver circuit of essential safety |
-
2017
- 2017-11-03 CN CN201711072933.1A patent/CN107612384B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205829463U (en) * | 2016-06-29 | 2016-12-21 | 北京和利时系统工程有限公司 | A kind of Circuits System of fault-safety principle |
| CN107094011A (en) * | 2017-06-06 | 2017-08-25 | 武汉贝通科技有限公司 | A kind of dynamic driver circuit of essential safety |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923774A (en) * | 2018-08-06 | 2018-11-30 | 北京电铁海丰技术发展有限公司 | A kind of switching circuit |
| CN108923774B (en) * | 2018-08-06 | 2023-12-19 | 北京电铁海丰技术发展有限公司 | Switching circuit |
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| CN107612384B (en) | 2020-06-30 |
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