CN103872716B - A kind of redundant power electric power system - Google Patents
A kind of redundant power electric power system Download PDFInfo
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- CN103872716B CN103872716B CN201210547888.1A CN201210547888A CN103872716B CN 103872716 B CN103872716 B CN 103872716B CN 201210547888 A CN201210547888 A CN 201210547888A CN 103872716 B CN103872716 B CN 103872716B
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Abstract
The present invention is applied to power supply control field, there is provided a kind of redundant power electric power system.The present invention in redundant power electric power system by using the first power supply module, second power supply module, first redundant control module, second redundant control module, first lifting die block, second lifting die block, first switch module and second switch module, redundant power supply can be realized in the case where possessing duplex feeding bus, and can make first power supply module that different types of power supply circuit progress redundant power mixed configuration be respectively adopted with second power supply module in only power supply buses all the way, and equally reach the purpose that redundant power supply control is realized to industrial automation control appliance, so as to solve prior art while supporting duplex feeding bus to realize redundant power supply, the problem of redundant power supply is carried out to industrial automation control appliance in the case of compatible can not there was only power supply buses power supply all the way.
Description
Technical field
The invention belongs to power supply control field, more particularly to a kind of redundant power electric power system.
Background technology
In field of industrial automation control, in order to ensure the continued power to equipment, reliability, the security of power supply are lifted
And technological rationality, and on the premise of ensureing to realize the reliability and security of power supply, it is also necessary to further lifting power supply
Economy so that industrial automation control appliance realize system stable power-supplying and software it is without damage on the premise of can
Normal work.
In face of the above-mentioned related needs for industrial automation control appliance for power supply, prior art be by and meanwhile adopt
Power circuit with two batteries or two uninterrupted power supply formulas is that equipment carries out redundant power supply to ensure to industrial automation control
Control equipment, which can obtain, stablizes lasting power supply.However, above-mentioned prior art be in the course of the work need for two batteries or
The power circuit of two uninterrupted power supply formulas provides power supply buses respectively could realize redundant power supply, then, it is in face of only
When there are power supply buses all the way, due to the power circuit of battery and uninterrupted power supply formula can not be carried out mixed configuration with
Power supply buses all the way are shared, then it can not be that industrial automation control appliance realizes redundant power supply that can cause it.Therefore, prior art
, can not be compatible only right in the case of power supply buses power supply all the way while supporting duplex feeding bus to realize redundant power supply
Industrial automation control appliance carries out redundant power supply.
The content of the invention
It is an object of the invention to provide a kind of redundant power electric power system, it is intended to solves prior art and is supporting two-way to supply
, can not be compatible only all the way in the case of power supply buses power supply to industrial automation control while goddess of lightning's line is to realize redundant power supply
Control equipment carries out the problem of redundant power supply.
The present invention is achieved in that a kind of redundant power electric power system, the power end with industrial automation control appliance
Connection, it is characterised in that the redundant power electric power system includes：
First power supply module, the second power supply module, the first redundant control module, the second redundant control module, the first lifting
Die block, the second lifting die block, first switch module and second switch module；
First power supply module has input and output end, and second power supply module also has input and output
The output end of end, the output end of first power supply module and second power supply module connects first Redundant Control respectively
The input of the input of module and second redundant control module, the output end of first redundant control module and described
The output end of second redundant control module is connected to the power end of the industrial automation control appliance, first power supply module altogether
Direct current is exported with second power supply module to first redundant control module and second redundant control module respectively；
First redundant control module is by the output voltage of first power supply module and the industrial automatic control
The voltage of the power end of equipment is compared, when the output voltage of first power supply module is more than the industrial automatic control
During the voltage of the power end of equipment, first redundant control module conducting and by the direct current from first power supply module
Export to the power end of the industrial automation control appliance；
Second redundant control module is by the output voltage of second power supply module and the industrial automatic control
The voltage of the power end of equipment is compared, when the output voltage of second power supply module is more than the industrial automatic control
During the voltage of the power end of equipment, second redundant control module conducting and by the direct current from second power supply module
Export to the power end of the industrial automation control appliance；
The input of the first lifting die block connects the output end of first power supply module, first buck
Module carries out buck processing to the output direct current of first power supply module；
The input of the second lifting die block connects the output end of second power supply module, second buck
Module carries out buck processing to the output direct current of second power supply module；
The first switch module and the second switch module are respectively provided with switch control terminal, input and output end, institute
State the input of first switch module and the input of the second switch module lifts the defeated of die block with described first respectively
The output end for going out end with the described second lifting die block connects；
When first power supply module is a power circuit, and second power supply module is a battery feed circuit,
Second power supply module includes the second battery charge controller, and also there is energization input and switch controlling signal to export
End, the input connection power supply buses of first power supply module, the switch control terminal of the first switch module and described the
The switch controlling signal output end connection of two power supply modules, supply input termination first lifting of second power supply module
The output end of die block, the output end of the first switch module are connected with the input of second power supply module, and described
The output end of two power supply modules from the described first lifting die block introduces direct current and powered for second battery charge controller,
The first switch module is used for according to the switch controlling signal that second power supply module is exported from first buck
Module introduces direct current and charged for second power supply module；
When first power supply module is a battery feed circuit, and second power supply module is a power circuit,
First power supply module includes the first battery charge controller, and also there is energization input and switch controlling signal to export
End, the input connection power supply buses of second power supply module, the switch control terminal of the second switch module and described the
The switch controlling signal output end connection of one power supply module, supply input termination second lifting of first power supply module
The output end of die block, the output end of the second switch module are connected with the input of first power supply module, and described
The output end of one power supply module from the described second lifting die block introduces direct current and powered for first battery charge controller,
The second switch module is used for according to the switch controlling signal that first power supply module is exported from second buck
Module introduces direct current and charged for first power supply module.
Further, it is described when first power supply module and second power supply module are all the power circuit
The switch control terminal of first switch module and the equal sky of switch control terminal of the second switch module connect, and the first switch mould
Also equal sky connects the output end of the output end of block and the second switch module, the input of first power supply module and described
The input of two power supply modules connects the first power supply buses and the second power supply buses respectively.
Further, when first power supply module and second power supply module are all the battery feed circuit,
The equal sky of input of the input of first power supply module and second power supply module connects, and the first switch module
Also equal sky connects the output end of output end and the second switch module.
In the present invention, by using the first power supply module, the second power supply module, first in redundant power electric power system
Redundant control module, the second redundant control module, the first lifting die block, the second lifting die block, first switch module and the
Two switch modules, can realize redundant power supply in the case where possessing duplex feeding bus, and and can is only having power supply buses all the way
When can make first power supply module and second power supply module that different types of power supply circuit be respectively adopted to carry out redundancy
Power supply mixed configuration, and equally reach the purpose that redundant power supply control is realized to industrial automation control appliance, so as to solve
Prior art compatible can not only have power supply buses power supply all the way while supporting duplex feeding bus to realize redundant power supply
In the case of to industrial automation control appliance carry out redundant power supply the problem of.
Brief description of the drawings
Fig. 1 is the modular structure for the redundant power control system that the embodiment of the present invention is provided and basic annexation figure；
Fig. 2 is the basic circuit structure figure for the redundant power control system that the embodiment of the present invention is provided；
Fig. 3 is the function structure chart for the redundant power control system that first embodiment of the invention is provided；
Fig. 4 is the circuit structure diagram for the redundant power control system that first embodiment of the invention is provided；
Fig. 5 is the function structure chart for the redundant power control system that second embodiment of the invention is provided；
Fig. 6 is the circuit structure diagram for the redundant power control system that second embodiment of the invention is provided；
Fig. 7 is the function structure chart for the redundant power control system that third embodiment of the invention is provided；
Fig. 8 is the circuit structure diagram for the redundant power control system that third embodiment of the invention is provided；
Fig. 9 is the function structure chart for the redundant power control system that fourth embodiment of the invention is provided.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In embodiments of the present invention, by using the first power supply module, the second power supply mould in redundant power electric power system
Block, the first redundant control module, the second redundant control module, the first lifting die block, the second lifting die block, first switch mould
Block and second switch module, can realize redundant power supply in the case where possessing duplex feeding bus, and and can supplies all the way only
It can make first power supply module that different types of power supply circuit be respectively adopted with second power supply module during goddess of lightning's line to enter
Row redundant power mixed configuration, and equally reach the purpose that redundant power supply control is realized to industrial automation control appliance.
Circuit types according to selected by the first power supply module from the second power supply module is different, redundant power electric power system
Local annexation can also occur to change accordingly, and therefore, Fig. 1 illustrate only redundant power power supply provided in an embodiment of the present invention
The modular structure of system and basic annexation, details are as follows：
Redundant power electric power system 100 is connected with the power end of industrial automation control appliance 200, redundant power power supply system
System 100 includes：
First power supply module 101, the second power supply module 102, the first redundant control module 103, the second redundant control module
104th, the first lifting die block 105, second lifts die block 106, first switch module 107 and second switch module 108.
There is first power supply module 101 input IN1 and output end DC1, the second power supply module 102 also to have input
IN2 and the output end DC2 of output end DC2, the output end DC1 of the first power supply module 101 and the second power supply module 102 are connected respectively
The input of the input of first redundant control module 103 and the second redundant control module 104, the first redundant control module 103
Output end and the output end of the second redundant control module 104 be connected to the power end of industrial automation control appliance 200 altogether, first
The power supply module 102 of power supply module 101 and second is defeated to the first redundant control module 103 and the second redundant control module 104 respectively
Go out direct current.
First redundant control module 103 is by the output voltage of the first power supply module 101 and industrial automation control appliance 200
The voltage of power end be compared, when the output voltage of the first power supply module 101 is more than industrial automation control appliance 200
During the voltage of power end, the first redundant control module 103 turns on and by the direct current electricity output from the first power supply module 101 to work
The power end of industry automation control appliance 200.
Second redundant control module 104 is by the output voltage of the second power supply module 102 and industrial automation control appliance 200
The voltage of power end be compared, when the output voltage of the second power supply module 102 is more than industrial automation control appliance 200
During the voltage of power end, the second redundant control module 104 turns on and by the direct current electricity output from the second power supply module 102 to work
The power end of industry automation control appliance 200.
The input of first lifting die block 105 connects the output end of the first power supply module 101, the first lifting die block
The output direct current of 105 pair of first power supply module 101 carries out buck processing；
The input of second lifting die block 106 connects the output end of the second power supply module 102, the second lifting die block
The output direct current of 106 pair of second power supply module 102 carries out buck processing；
First switch module 107 has switch control terminal, input and output end, and second switch module 108 also has
Switch control terminal, input and output end, the input of first switch module 107 and the input of second switch module 108 point
It is not connected with the output end of the first lifting die block 104 and the output end of the second lifting die block 105.
Further, as shown in Fig. 2 the first redundant control module 103 includes：
Resistance R1, NMOS tube Q1, NMOS tube Q2 and the first metal-oxide-semiconductor controller U1；
NMOS tube Q1 drain electrode is the input of the first redundant control module 103, and NMOS tube Q1 source electrode connects NMOS tube
Q2 source electrode, NMOS tube Q2 drain electrode are the output end of the first redundant control module 103, and resistance R1 is connected to NMOS tube Q1 leakage
Between pole and metal-oxide-semiconductor controller U1 first voltage input Vin, NMOS tube Q1 grid is connected to altogether with NMOS tube Q2 grid
First metal-oxide-semiconductor controller U1 output end Gate, the first metal-oxide-semiconductor controller U1 second voltage input Vout and NMOS tube Q2
Drain electrode be connected.Wherein, NMOS tube Q1 and NMOS tube Q2 break-make are by the first metal-oxide-semiconductor controller U1 output end Gate institutes
What the level of output determined, i.e. the output end Gate output high level as the first metal-oxide-semiconductor controller U1, and the high level is more than
When NMOS tube Q1 and NMOS tube Q2 source voltage, NMOS tube Q1 and NMOS tube Q2 are simultaneously turned on, as the first metal-oxide-semiconductor controller U1
Output end Gate output low level when, NMOS tube Q1 and NMOS tube Q2 end simultaneously；First metal-oxide-semiconductor controller U1 is specifically type
Number be LT4531 metal-oxide-semiconductor control chip.Due to being the switching characteristic that make use of NMOS tube Q1 and NMOS tube Q2 herein, then at this
In invention other embodiment, NMOS tube Q1 and NMOS tube Q2 can be replaced with PMOS simultaneously, and simultaneously by the first metal-oxide-semiconductor control
Device U1 processed is replaced with voltage ratio compared with the voltage comparator circuit with PMOS control function to realize the break-make control to PMOS
System.
Further, as shown in Fig. 2 the second redundant control module 104 includes：
Resistance R2, NMOS tube Q3, NMOS tube Q4 and the second metal-oxide-semiconductor controller U2；
NMOS tube Q3 drain electrode is the input of the second redundant control module 104, and NMOS tube Q3 source electrode connects NMOS tube
Q4 source electrode, NMOS tube Q4 drain electrode are the output end of the second redundant control module 104, and resistance R2 is connected to NMOS tube Q3 leakage
Between pole and the second metal-oxide-semiconductor controller U2 first voltage input Vin, the grid of NMOS tube Q3 grid and NMOS tube Q4 is total to
It is connected to the second metal-oxide-semiconductor controller U2 output end Gate, the second metal-oxide-semiconductor controller U2 second voltage input Vout and NMOS
Pipe Q4 drain electrode is connected.Wherein, NMOS tube Q3 and NMOS tube Q4 break-make are by the second metal-oxide-semiconductor controller U2 output end institute
What the level of output determined, i.e. the output end Gate output high level as the second metal-oxide-semiconductor controller U2, and the high level is more than
When NMOS tube Q3 and NMOS tube Q4 source voltage, NMOS tube Q3 and NMOS tube Q4 are simultaneously turned on, as the second metal-oxide-semiconductor controller U2
Output end Gate output low level when, NMOS tube Q3 and NMOS tube Q4 end simultaneously；Second metal-oxide-semiconductor controller U2 is specifically type
Number be LT4531 metal-oxide-semiconductor control chip.Due to being the switching characteristic that make use of NMOS tube Q3 and NMOS tube Q4 herein, then at this
In invention other embodiment, NMOS tube Q3 and NMOS tube Q4 can be replaced with PMOS simultaneously, and simultaneously by the second metal-oxide-semiconductor control
Device U2 processed is replaced with voltage ratio compared with the voltage comparator circuit with PMOS control function to realize the break-make control to PMOS
System.
Further, as shown in Fig. 2 the first lifting die block 105 includes：
Electric capacity C1, NMOS tube Q5, NMOS tube Q6, inductance L1, resistance R3, NMOS tube Q7, NMOS tube Q8, electric capacity C2, first
Lift pressure controller U3, resistance R4 and resistance R5；
NMOS tube Q5 drain electrode is the first input for lifting die block 105, and electric capacity C1 is connected to NMOS tube Q5 drain electrode
Between ground, NMOS tube Q5 source electrode and NMOS tube Q6 drain electrode are connected to inductance L1 first end altogether, NMOS tube Q6 source electrode and
NMOS tube Q7 source electrode is connected to resistance R3 first end, resistance R3 the second end ground connection, NMOS tube Q7 drain electrode and inductance L1 altogether
The second end be connected to NMOS tube Q8 source electrode altogether, NMOS tube Q8 drain electrode is the output end of the first lifting die block 105, electric capacity C2
Be connected between NMOS tube Q8 drain electrode and ground, resistance R4 the first termination NMOS tube Q8 drain electrode, resistance R4 the second end with
Resistance R5 first end is connected to the first lifting pressure controller U3 feedback reference voltage input pin VSNS, resistance R5 the second end altogether
Ground connection, the first lifting pressure controller U3 positive pin SNS+ of current detecting and the negative pin SNS- of current detecting are connected the of resistance R3 respectively
One end and the second end, first lifts pressure controller U3 the first top gate driving pin TG1, the second top gate drives pin TG2,
First lower end raster data model pin BG1 and the second lower end raster data model pin BG2 grid with NMOS tube Q8, NMOS tube Q5 grid respectively
The grid of pole, NMOS tube Q7 grid and NMOS tube Q6 is connected, the first lifting pressure controller U3 power ground pin PGND ground connection.
Wherein, the first lifting pressure controller U3 is specifically model LTC3780 four switch buck control chips.
Further, as shown in Fig. 2 the second lifting die block 106 includes：
Electric capacity C3, NMOS tube Q9, NMOS tube Q10, inductance L2, resistance R6, NMOS tube Q11, NMOS tube Q12, electric capacity C4,
Two lifting pressure controller U4, resistance R7 and resistance R8；
NMOS tube Q9 drain electrode is the second input for lifting die block 106, and electric capacity C3 is connected to NMOS tube Q9 drain electrode
Between ground, NMOS tube Q9 source electrode is connected to inductance L2 first end, NMOS tube Q10 source electrode with NMOS tube Q10 drain electrode altogether
Resistance R6 first end, resistance R6 the second end ground connection, NMOS tube Q11 drain electrode and electricity are connected to altogether with NMOS tube Q11 source electrode
Sense L2 the second end is connected to NMOS tube Q12 source electrode altogether, and NMOS tube Q12 drain electrode is the second output end for lifting die block 106,
Electric capacity C4 is connected between NMOS tube Q12 drain electrode and ground, resistance R7 the first termination NMOS tube Q12 drain electrode, resistance R7's
Second end and resistance R8 first end are connected to the second lifting pressure controller U4 feedback reference voltage input pin VSNS, resistance R8 altogether
The second end ground connection, the second lifting pressure controller U4 positive pin SNS+ of current detecting is connected electricity respectively with the negative pin SNS- of current detecting
R6 first end and the second end is hindered, the second lifting pressure controller U4 the first top gate driving pin TG1, the second top gate are driven
Dynamic pin TG2, the first lower end raster data model pin BG1 and the second lower end raster data model pin BG2 respectively the grid with NMOS tube Q12,
The grid of NMOS tube Q9 grid, NMOS tube Q11 grid and NMOS tube Q10 is connected, the second lifting pressure controller U4 electricity
Source lower margin PGND is grounded.Wherein, the second lifting pressure controller U4 is specifically model LTC3780 four switch buck control cores
Piece.
Further, as shown in Fig. 2 first switch module 107 includes resistance R9, NPN type triode Q13 and diode
D1, resistance R9 first end are the input of first switch module 107, the of NPN type triode Q13 emitter stage connecting resistance R9
Two ends, NPN type triode Q13 base stage are the switch control terminal of first switch module 107, NPN type triode Q13 colelctor electrode
Diode D1 anode is connect, diode D1 negative electrode is the output end of first switch module 107.Wherein, due to NPN type triode
Q13 plays on-off action at this, so in other embodiments of the present invention, NPN type triode Q13 can be replaced NMOS tube, insulation
Grid bipolar transistor（Insulated Gate Bipolar Transistor,IGBT）Or other possess switching characteristic
Semiconductor switch device.
Further, as shown in Fig. 2 second switch module 108 includes resistance R10, NPN type triode Q14 and diode
D2, resistance R10 first end are the input of second switch module 108, NPN type triode Q14 emitter stage connecting resistance R10's
Second end, NPN type triode Q14 base stage are the switch control terminal of second switch module 108, NPN type triode Q14 current collection
Pole connects diode D2 anode, and diode D2 negative electrode is the output end of second switch module 108.Wherein, due to the pole of NPN type three
Pipe Q14 plays on-off action at this, so in other embodiments of the present invention, NPN type triode Q14 can be replaced NMOS tube, absolutely
Edge grid bipolar transistor（Insulated Gate Bipolar Transistor,IGBT）Or other possess switching characteristic
Semiconductor switch device.
It is further described below in conjunction with specific implementation of the specific embodiment to the redundant power electric power system shown in Fig. 1：
Embodiment one：
Fig. 3 shows the modular structure for the redundant power electric power system that first embodiment of the invention provides, for the ease of saying
It is bright, the part related to first embodiment of the invention is illustrate only, details are as follows：
The redundant power electric power system that the present embodiment is provided is redundant power electric power system 100 shown in Fig. 1 first
Power supply module 101 is a power circuit, and implementation when the second power supply module 102 is a battery feed circuit, this implementation
Example is on the premise of each module annexation and each inside modules structure shown in Fig. 1 and Fig. 2 is maintained, redundant power electric power system
100 it is furthermore achieved that following annexation：
Second power supply module 102 includes the second battery charge controller U5, and also there is energization input VCC and switch to control
Signal output part DS processed, the input IN1 connection power supply buses of the first power supply module 101, the switch control of first switch module 107
End processed is connected with the switch controlling signal output end DS of the second power supply module 102, the energization input of the second power supply module 102
VCC connects the output end of the first lifting die block 105, the output end of first switch module 107 and the input of the second power supply module 102
IN2 connections are held, the output end of the second power supply module 102 from the first lifting die block 105 introduces direct current and charged for the second battery
Controller U5 powers, and first switch module 107 is used for according to the switch controlling signal that the second power supply module 102 is exported from first
It is that the second power supply module 102 charges that lifting die block 105, which introduces direct current,.
Wherein, because the first power supply module 101 is a power circuit, it is by conventional power supply topologies and control core
Piece is formed.
Second power supply module 102 is a battery feed circuit, i.e., it is the power supply electricity using battery as core power supply component
Road, and the input IN2 by the second battery charge controller U5 to battery progress Charge Management, then the second power supply module 102
Charged for introducing direct current from first switch module 107 for battery, battery mentioned herein can be lithium battery, lead
Sour battery, Ni-MH battery and lithium polymer battery etc. possess the battery of electric energy charge and discharge characteristic.
The redundant power electric power system 100 provided below in conjunction with operation principle the present embodiment（As shown in Figure 4）Make into
One step explanation：
The direct current I1 that the output end DC1 of first power supply module 101 is exported respectively enters the first redundant control module 103
Input and first lifting die block 105 input, resistance R4 and resistance R5 adopt to NMOS tube Q8 drain voltage
The first lifting pressure controller of feedback voltage input U3 feedback reference voltage input pin VSNS, the first lifting are obtained after sample partial pressure
Pressure controller U3 is compared the output end voltage of the first lifting die block 105 with its input terminal voltage according to the feedback voltage
Compared with；When the output end voltage of the first lifting die block 105 is less than its input terminal voltage, the first lifting pressure controller U3 can pass through
Its first top gate drives pulse signal control of pin TG1 and the first lower end raster data model pin BG1 outputs with particular duty cycle
NMOS tube Q8 and NMOS tube Q7 processed break-make, meanwhile, the first lifting pressure controller U3 also drives pin by its second top gate
TG2 output high level control NMOS tube Q5 conductings, and low level control NMOS is exported by its second lower end raster data model pin BG2
Pipe Q6 ends, and so just can carry out boosting processing to the input voltage of the first lifting die block 105；When the first lifting die block
When 105 output end voltage is more than its input terminal voltage, the first lifting pressure controller U3 can be driven by its second top gate
Pulse signal control NMOS tube Q5 and NMOS tube of pin TG2 and the second lower end raster data model pin BG2 outputs with particular duty cycle
Q6 break-make, meanwhile, the first lifting pressure controller U3 also drives pin TG1 to export high level and controlled by its first top gate
NMOS tube Q8 is turned on, and exports low level control NMOS tube Q7 cut-offs by its first lower end raster data model pin BG1, so just can
Decompression processing is carried out to the input voltage of the first lifting die block 105.In above process, the power supply of the second power supply module 102
The output end of input VCC from the first lifting die block 105 introduces direct current and powered for the second battery charge controller U5, and second
Battery charge controller U5 just carries out Charge Management to the battery in the second power supply module 102, and exports high level conduct and open
Control signal driving PNP type triode Q13 conducting is closed, then the second power supply module 102 can be by its input IN2 from diode D1
Negative electrode to introduce direct current be battery charging, and in battery charging complete, the second battery charge controller U5 can be exported
Low level ends PNP type triode Q13 as switch controlling signal, then now the second power supply module 102 is in completely standby electricity
State.From the foregoing it can be that in the case of the normal work of the first power supply module 101, the electric power storage in the second power supply module 102
Pond is constantly in standby electricity condition（I.e. in preparation power supply state）, because the output voltage of the first power supply module 101 supplies than second
The output end DC2 of electric module 102 voltage is high, then the first metal-oxide-semiconductor controller U1 and second in the first redundant control module 103
The second metal-oxide-semiconductor controller U2 in redundant control module 104 by voltage ratio relatively after, the first metal-oxide-semiconductor controller U1 output
End Gate can export high level control NMOS tube Q1 and NMOS tube Q2 conductings, and the second metal-oxide-semiconductor controller U2 output end Gate
Low level control NMOS tube Q3 and NMOS tube Q4 cut-offs can be exported, so, it is now automatic for industry by the first power supply module 101
Change control device 200 to power；When the first power supply module 101 powers off because of power supply buses power-off or its internal fault, the first MOS
Tube controller U1 output end Gate can export low level control NMOS tube Q1 and NMOS tube Q2 cut-offs, and metal-oxide-semiconductor controller U2
Output end Gate can export high level control NMOS tube Q3 and NMOS tube Q4 conducting, then now by the second power supply module 102
Battery power for industrial automation control appliance 200.
Therefore, it is respectively power circuit and battery powered electricity by making the first power supply module 101 and the second power supply module 102
Road, the redundant power supply of industrial automation control appliance can still be controlled in the case where there was only power supply buses all the way, to protect
Demonstrate,prove industrial automation control appliance normal work under stable and lasting condition of power supply.
Embodiment two：
Fig. 5 shows the modular structure for the redundant power electric power system that second embodiment of the invention provides, for the ease of saying
It is bright, the part related to second embodiment of the invention is illustrate only, details are as follows：
The redundant power electric power system that the present embodiment is provided is redundant power electric power system 100 shown in Fig. 1 first
Power supply module 101 is a battery feed circuit, and implementation when the second power supply module 102 is a power circuit, this implementation
Example is on the premise of each module annexation and each inside modules structure shown in Fig. 1 and Fig. 2 is maintained, redundant power electric power system
100 it is furthermore achieved that following annexation：
First power supply module 101 includes the first battery charge controller U6, and also there is energization input VCC and switch to control
Signal output part DS processed, the input IN2 connection power supply buses of the second power supply module 102, the switch control of second switch module 108
End processed is connected with the switch controlling signal output end DS of the first power supply module 101, the energization input of the first power supply module 101
VCC connects the output end of the second lifting die block 106, the output end of second switch module 108 and the input of the first power supply module 101
End connection, it is the first battery charge control that the output end of the first power supply module 101 from the second lifting die block 106, which introduces direct current,
Device U6 powers, and second switch module 108 is used to be lifted from second according to the switch controlling signal that the first power supply module 101 is exported
It is that the first power supply module 101 charges that die block 106, which introduces direct current,.
Wherein, the first power supply module 101 is a battery feed circuit, i.e., it is the confession using battery as core power supply component
Circuit, and the input by the first battery charge controller U6 to battery progress Charge Management, then the first power supply module 101
IN1 is used to introduce direct current from second switch module 108 as battery charging, and battery mentioned herein can be lithium electricity
Pond, lead-acid battery, Ni-MH battery and lithium polymer battery etc. possess the battery of electric energy charge and discharge characteristic.
Because the second power supply module 102 is a power circuit, it is by conventional power supply topologies and control chip structure
Into.
The redundant power electric power system 100 provided below in conjunction with operation principle the present embodiment（As shown in Figure 6）Make into
One step explanation：
The direct current I2 that the output end DC2 of second power supply module 102 is exported respectively enters the first redundant control module 104
Input and second lifting die block 106 input, resistance R7 and resistance R8 adopt to NMOS tube Q12 drain voltage
The second lifting pressure controller of feedback voltage input U4 feedback reference voltage input pin VSNS, the second lifting are obtained after sample partial pressure
Pressure controller U4 is compared the output end voltage of the second lifting die block 106 with its input terminal voltage according to the feedback voltage
Compared with；When the output end voltage of the second lifting die block 106 is less than its input terminal voltage, the second lifting pressure controller U4 can pass through
Its first top gate drives pulse signal control of pin TG1 and the first lower end raster data model pin BG1 outputs with particular duty cycle
NMOS tube Q12 and NMOS tube Q11 processed break-make, meanwhile, the second lifting pressure controller U4 is also driven by its second top gate
Pin TG2 output high level control NMOS tube Q9 conductings, and low level control is exported by its second lower end raster data model pin BG2
NMOS tube Q10 ends, and so just can carry out boosting processing to the input voltage of the second lifting die block 106；When the second buck
When the output end voltage of module 106 is more than its input terminal voltage, the second lifting pressure controller U4 can pass through its second top gate
Drive pin TG2 and the second lower end raster data model pin BG2 output with particular duty cycle pulse signal control NMOS tube Q9 and
NMOS tube Q10 break-make, meanwhile, the second lifting pressure controller U4 also drives the high electricity of pin TG1 outputs by its first top gate
Flat control NMOS tube Q12 conductings, and low level control NMOS tube Q11 cut-offs are exported by its first lower end raster data model pin BG1,
So just decompression processing can be carried out to the input voltage of the second lifting die block 106.In above process, the first power supply module
It is the first battery charge controller U6 that the output end of 101 energization input VCC from the second lifting die block 106, which introduces direct current,
Power supply, the first battery charge controller U6 just carry out Charge Management to the battery in the first power supply module 101, and export high electricity
It is flat as switch controlling signal driving PNP type triode Q14 conductings, then the first power supply module 101 can by its input IN2 from
Diode D2 negative electrode introduces direct current and charged for battery, and in battery charging complete, the first battery charge controller
U6 can export low level ends PNP type triode Q14 as switch controlling signal, then now the first power supply module 101 is in
Completely standby electricity condition.
From the foregoing it can be that in the case of the normal work of the second power supply module 102, in the first power supply module 101
Battery is constantly in standby electricity condition（I.e. in preparation power supply state）, because the output voltage of the second power supply module 102 is than
The output end DC2 of one power supply module 101 voltage is high, then the second metal-oxide-semiconductor controller U2 in the second redundant control module 104 and
The first metal-oxide-semiconductor controller U1 in first redundant control module 103 by voltage ratio relatively after, the second metal-oxide-semiconductor controller U2's
Output end Gate can export high level control NMOS tube Q3 and NMOS tube Q4 conductings, and the first metal-oxide-semiconductor controller U1 output end
Gate can export low level control NMOS tube Q1 and NMOS tube Q2 cut-off, so, be now by the second power supply module 102 for industry
Automation control appliance 200 is powered；When the second power supply module 102 powers off because of power supply buses power-off or its internal fault, the
Two metal-oxide-semiconductor controller U2 output end Gate can export low level control NMOS tube Q3 and NMOS tube Q4 cut-offs, and the first metal-oxide-semiconductor
Controller U1 output end Gate can export high level control NMOS tube Q1 and NMOS tube Q2 conductings, then now by the first power supply mould
Battery in block 101 is powered for industrial automation control appliance 200.
Therefore, it is respectively battery feed circuit and power supply electricity by making the first power supply module 101 and the second power supply module 102
Road, the redundant power supply of industrial automation control appliance 200 can still be controlled in the case where there was only power supply buses all the way, with
Ensure the normal work under stable and lasting condition of power supply of industrial automation control appliance 200.
Embodiment three：
Fig. 7 shows the modular structure for the redundant power electric power system that third embodiment of the invention provides, for the ease of saying
It is bright, the part related to third embodiment of the invention is illustrate only, details are as follows：
The redundant power electric power system that the present embodiment is provided is redundant power electric power system 100 shown in Fig. 1 first
The implementation when power supply module 102 of power supply module 101 and second is all power circuit, the present embodiment are maintaining Fig. 1 and Fig. 2 institutes
On the premise of each module annexation and each inside modules structure shown, redundant power electric power system 100 is furthermore achieved that
Following annexation：
The equal sky of switch control terminal of the switch control terminal and second switch module 108 of first switch module 107 connects, and first
Also equal sky connects for the output end of switch module 107 and the output end of second switch module 107, the input of the first power supply module 101
The input IN2 of IN1 and the second power supply module 102 connects the first power supply buses and the second power supply buses respectively.
Because above-mentioned the first power supply module 101 and the second power supply module 102 are all power circuit, so its internal structure
There is provided with first embodiment of the invention and second embodiment it is identical, and in the present embodiment, the first lifting die block 105,
Second lifting die block 106, first switch module 107 and second switch module 108 are stopped.
The redundant power electric power system 100 provided below in conjunction with operation principle the present embodiment（As shown in Figure 8）Make into
One step explanation：
First power supply module 101 and the second power supply module 102 export direct current to the He of the first redundant control module 103 respectively
Second redundant control module 104, the first metal-oxide-semiconductor controller U1 in the first redundant control module 103 can be to the first power supply module
101 output voltage compared with the voltage of the power end of industrial automation control appliance 200, meanwhile, the second Redundant Control
The second metal-oxide-semiconductor controller U2 in module 104 can be to the output voltage and industrial automation control appliance of the second power supply module 102
The voltage of 200 power end is compared, at the initially power supply moment, due to the output voltage and second of the first power supply module 101
The output voltage of power supply module 102 is above the voltage of the power end of industrial automation control appliance 200, so the first metal-oxide-semiconductor
Controller U1, which can export high level, makes NMOS tube Q1 be simultaneously turned on NMOS tube Q2, and the second metal-oxide-semiconductor controller U2 also can be simultaneously defeated
Going out high level makes NMOS tube Q3 be simultaneously turned on NMOS tube Q4, then now the first power supply module 101 and the second power supply module 102 are same
When power for industrial automation control appliance 200, afterwards with the output of the first power supply module 101 and the second power supply module 102
Voltage gradually rises, and both output voltages can have point of height because respective step-up ratio is different.So when the first confession
When the output voltage of electric module 101 is higher than the output voltage of the second power supply module 102, the first metal-oxide-semiconductor controller U1 can be by sentencing
The disconnected output voltage for learning the first power supply module 101 is more than the voltage of the power end of industrial automation control appliance 200, and from its
Output end Gate output high level drivings NMOS tube Q1 and NMOS tube Q2 is simultaneously turned on, and the second metal-oxide-semiconductor controller U2 meetings simultaneously
Judge because the voltage of the power end of industrial automation control appliance 200 is equal to the output voltage of the first power supply module 101
The output voltage of second power supply module 102 is less than the voltage of the power end of industrial automation control appliance 200, and from its output end
Gate outputs low level makes NMOS tube Q3 and NMOS tube Q4 while ended, then, from the first power supply module 101 to industrial automation
Control device 200 is powered；Conversely, when the output voltage of the second power supply module 102 is higher than the output voltage of the first power supply module 101
When, then the second metal-oxide-semiconductor controller U2 can export high level driving NMOS tube Q3 and NMOS tube Q4 and simultaneously turn on, while the first MOS
Tube controller U1 can export low level control NMOS tube Q1 and NMOS tube Q2 while end, and then, be by the second power supply module 102
Industrial automation control appliance 200 is powered.
In the present embodiment, it is female by connecting the first power supply respectively to the first power supply module 101 and the second power supply module 102
Line and the second power supply buses, realize under conditions of possessing duplex feeding bus and industrial automation control appliance 200 are carried out
The purpose of redundant power supply control.
Example IV：
Fig. 9 shows the modular structure for the redundant power electric power system that fourth embodiment of the invention provides, for the ease of saying
It is bright, the part related to fourth embodiment of the invention is illustrate only, details are as follows：
The redundant power electric power system that the present embodiment is provided is redundant power electric power system 100 shown in Fig. 1 first
The implementation when power supply module 102 of power supply module 101 and second is all battery feed circuit, the present embodiment maintain Fig. 1 and
On the premise of each module annexation and each inside modules structure shown in Fig. 2, redundant power electric power system 100 is also further real
Following annexation is showed：
The equal skies of input IN2 of the input IN1 of first power supply module 101 and the second power supply module 102 connect, and first opens
Also equal sky connects for the output end of pass module 107 and the output end of second switch module 108.
Wherein, the first power supply module 101 and the second power supply module 102 are all battery feed circuit, be both of which be with
Battery is the power supply circuit of core power supply component, and battery can be lithium battery, lead-acid battery, Ni-MH battery and lighium polymer
Battery etc. possesses the battery of electric energy charge and discharge characteristic, and in the present embodiment, the first lifting die block 105, second lifts die block
106th, first switch module 107 and second switch module 108 are stopped.
It is consistent shown in the circuit structure and Fig. 2 of the redundant power electric power system 100 that the present embodiment is provided, therefore no longer
Repeat.
It is described further below in conjunction with the redundant power electric power system 100 that operation principle is provided the present embodiment：
First power supply module 101 and the second power supply module 102 export direct current to the He of the first redundant control module 103 respectively
Second redundant control module 104, the first metal-oxide-semiconductor controller U1 in the first redundant control module 103 can be to the first power supply module
101 output voltage compared with the voltage of the power end of industrial automation control appliance 200, meanwhile, the second Redundant Control
The second metal-oxide-semiconductor controller U2 in module 104 can be to the output voltage and industrial automation control appliance of the second power supply module 102
The voltage of 200 power end is compared, at the initially power supply moment, due to the output voltage and second of the first power supply module 101
The output voltage of power supply module 102 is above the voltage of the power end of industrial automation control appliance 200, so the first metal-oxide-semiconductor
Controller U1, which can export high level, makes NMOS tube Q1 be simultaneously turned on NMOS tube Q2, and the second metal-oxide-semiconductor controller U2 also can be simultaneously defeated
Going out high level makes NMOS tube Q3 be simultaneously turned on NMOS tube Q4, then now the first power supply module 101 and the second power supply module 102 are same
When power for industrial automation control appliance 200, afterwards with the output of the first power supply module 101 and the second power supply module 102
Voltage gradually reduces, and both output voltages can have point of height because respective electricity is different.（So when the first power supply
When the output voltage of module 101 is higher than the output voltage of the second power supply module 102, the first metal-oxide-semiconductor controller U1 can pass through judgement
Learn that the output voltage of the first power supply module 101 is more than the voltage of the power end of industrial automation control appliance 200, and it is defeated from its
Go out to hold Gate output high level drivings NMOS tube Q1 and NMOS tube Q2 to simultaneously turn on, and the second metal-oxide-semiconductor controller U2 can be because simultaneously
It is equal to the output voltage of the first power supply module 101 for the voltage of the power end of industrial automation control appliance 200 and judges the
The output voltage of two power supply modules 102 is less than the voltage of the power end of industrial automation control appliance 200, and from its output end
Gate outputs low level makes NMOS tube Q3 and NMOS tube Q4 while ended, then, from the first power supply module 101 to industrial automation
Control device 200 is powered；Conversely, when the output voltage of the second power supply module 102 is higher than the output voltage of the first power supply module 101
When, then the second metal-oxide-semiconductor controller U2 can export high level driving NMOS tube Q3 and NMOS tube Q4 and simultaneously turn on, while the first MOS
Tube controller U1 can export low level control NMOS tube Q1 and NMOS tube Q2 while end, and then, be by the second power supply module 102
Industrial automation control appliance 200 is powered.
In the present embodiment, by using battery powered in the first power supply module 101 and the second power supply module 102 simultaneously
Circuit, it can be supplied in the case where not needing any power supply buses using battery as power supply to industrial automation control appliance
200 carry out redundant power supply control, improve the condition of power supply adaptability of whole redundant power electric power system.
In summary, the embodiment of the present invention in redundant power electric power system by using the first power supply module, second to supply
Electric module, the first redundant control module, the second redundant control module, the first lifting die block, the second lifting die block, first open
Module and second switch module are closed, redundant power supply can be realized in the case where possessing duplex feeding bus, and can is only one
It can make first power supply module that different types of power supply electricity be respectively adopted with second power supply module during power supply buses of road
Road carries out redundant power mixed configuration, and equally reaches the purpose that redundant power supply control is realized to industrial automation control appliance,
So as to solve prior art while supporting duplex feeding bus to realize redundant power supply, compatible only can not power all the way
The problem of redundant power supply is carried out to industrial automation control appliance in the case of bussed supply.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of redundant power electric power system, is connected with the power end of industrial automation control appliance, it is characterised in that described superfluous
Remaining electric supply system includes：
First power supply module, the second power supply module, the first redundant control module, the second redundant control module, the first lifting pressing mold
Block, the second lifting die block, first switch module and second switch module；
First power supply module has input and output end, and second power supply module also has input and output end,
The output end of first power supply module and the output end of second power supply module connect the first Redundant Control mould respectively
The input of the input of block and second redundant control module, the output end of first redundant control module and described
The output end of two redundant control modules is connected to the power end of the industrial automation control appliance altogether, first power supply module and
Second power supply module exports direct current to first redundant control module and second redundant control module respectively；
First redundant control module is by the output voltage of first power supply module and the industrial automation control appliance
The voltage of power end be compared, when the output voltage of first power supply module is more than the industrial automation control appliance
Power end voltage when, first redundant control module conducting and by the direct current electricity output from first power supply module
To the power end of the industrial automation control appliance；
Second redundant control module is by the output voltage of second power supply module and the industrial automation control appliance
The voltage of power end be compared, when the output voltage of second power supply module is more than the industrial automation control appliance
Power end voltage when, second redundant control module conducting and by the direct current electricity output from second power supply module
To the power end of the industrial automation control appliance；
The input of the first lifting die block connects the output end of first power supply module, the first lifting die block
Buck processing is carried out to the output direct current of first power supply module；
The input of the second lifting die block connects the output end of second power supply module, the second lifting die block
Buck processing is carried out to the output direct current of second power supply module；
The first switch module and the second switch module are respectively provided with switch control terminal, input and output end, and described
The input of one switch module and the input of the second switch module output end with the described first lifting die block respectively
Connected with the output end of the described second lifting die block；
It is described when first power supply module is a power circuit, and second power supply module is a battery feed circuit
Second power supply module includes the second battery charge controller, and also has energization input and switch controlling signal output end, institute
State the input connection power supply buses of the first power supply module, the switch control terminal of the first switch module and the described second power supply
The switch controlling signal output end connection of module, supply input termination the first lifting die block of second power supply module
Output end, the output end of the first switch module is connected with the input of second power supply module, second power supply
It is second battery charge controller power supply that module introduces direct current from the output end of the described first lifting die block, described the
One switch module is used to from the described first lifting die block be drawn according to the switch controlling signal that second power supply module is exported
Enter direct current to charge for second power supply module；
It is described when first power supply module is a battery feed circuit, and second power supply module is a power circuit
First power supply module includes the first battery charge controller, and also has energization input and switch controlling signal output end, institute
State the input connection power supply buses of the second power supply module, the switch control terminal of the second switch module and the described first power supply
The switch controlling signal output end connection of module, supply input termination the second lifting die block of first power supply module
Output end, the output end of the second switch module is connected with the input of first power supply module, first power supply
It is first battery charge controller power supply that module introduces direct current from the output end of the described second lifting die block, described the
Two switch modules are used to from the described second lifting die block be drawn according to the switch controlling signal that first power supply module is exported
Enter direct current to charge for first power supply module；
Wherein, first redundant control module includes：
Resistance R1, NMOS tube Q1, NMOS tube Q2 and the first metal-oxide-semiconductor controller；
The drain electrode of the NMOS tube Q1 is the input of first redundant control module, and the source electrode of the NMOS tube Q1 connects institute
NMOS tube Q2 source electrode is stated, the NMOS tube Q2's drains as the output end of first redundant control module, the resistance R1
It is connected between the drain electrode of the NMOS tube Q1 and the first voltage input of the first metal-oxide-semiconductor controller, the NMOS tube
Q1 grid and the NMOS tube Q2 grid are connected to the output end of the first metal-oxide-semiconductor controller, the first metal-oxide-semiconductor control altogether
The second voltage input of device processed is connected with the drain electrode of the NMOS tube Q2.
2. redundant power electric power system as claimed in claim 1, it is characterised in that second redundant control module includes：
Resistance R2, NMOS tube Q3, NMOS tube Q4 and the second metal-oxide-semiconductor controller；
The drain electrode of the NMOS tube Q3 is the input of second redundant control module, and the source electrode of the NMOS tube Q3 connects institute
NMOS tube Q4 source electrode is stated, the NMOS tube Q4's drains as the output end of second redundant control module, the resistance R2
It is connected between the drain electrode of the NMOS tube Q3 and the first voltage input of the second metal-oxide-semiconductor controller, the NMOS tube
Q3 grid and the NMOS tube Q4 grid are connected to the output end of the second metal-oxide-semiconductor controller, the second metal-oxide-semiconductor control altogether
The second voltage input of device processed is connected with the drain electrode of the NMOS tube Q4.
3. redundant power electric power system as claimed in claim 2, it is characterised in that the first lifting die block includes：
Electric capacity C1, NMOS tube Q5, NMOS tube Q6, inductance L1, resistance R3, NMOS tube Q7, NMOS tube Q8, electric capacity C2, the first lifting
Pressure controller U3, resistance R4 and resistance R5；
The drain electrode of the NMOS tube Q5 is the described first input for lifting die block, and the electric capacity C1 is connected to the NMOS tube
Between Q5 drain electrode and ground, the drain electrode of the source electrode of the NMOS tube Q5 and the NMOS tube Q6 is connected to the first of the inductance L1 altogether
End, the source electrode of the NMOS tube Q6 and the NMOS tube Q7 source electrode are connected to the first end of the resistance R3, the resistance R3 altogether
The second end ground connection, drain electrode and the second end of the inductance L1 of the NMOS tube Q7 be connected to the source electrode of the NMOS tube Q8 altogether,
The drain electrode of the NMOS tube Q8 is the described first output end for lifting die block, and the electric capacity C2 is connected to the NMOS tube Q8's
Between drain electrode and ground, the first termination NMOS tube Q8 of resistance R4 drain electrode, the second end of the resistance R4 with it is described
Resistance R5 first end is connected to the feedback reference voltage input pin of the first lifting pressure controller U3 altogether, and the of the resistance R5
Two ends are grounded, and the positive pin of current detecting of the first lifting pressure controller U3 bears pin with current detecting and is connected the resistance R3 respectively
First end and the second end, the first top gate driving pin of the first lifting pressure controller U3, the driving of the second top gate
Pin, the first lower end raster data model pin and the second lower end raster data model pin grid with the NMOS tube Q8, the NMOS tube respectively
The grid of Q5 grid, the grid of the NMOS tube Q7 and the NMOS tube Q6 is connected, the first lifting pressure controller U3
Power ground pin ground connection.
4. redundant power electric power system as claimed in claim 3, it is characterised in that the second lifting die block 106 includes：
Electric capacity C3, NMOS tube Q9, NMOS tube Q10, inductance L2, resistance R6, NMOS tube Q11, NMOS tube Q12, electric capacity C4, second liter
Buck controller U4, resistance R7 and resistance R8；
The drain electrode of the NMOS tube Q9 is the described second input for lifting die block, and the electric capacity C3 is connected to the NMOS tube
Between Q9 drain electrode and ground, the source electrode of the NMOS tube Q9 and NMOS tube Q10 drain electrode is connected to the of the inductance L2 altogether
One end, the source electrode of the NMOS tube Q10 and the NMOS tube Q11 source electrode are connected to the first end of the resistance R6, the electricity altogether
R6 the second end ground connection is hindered, the drain electrode of the NMOS tube Q11 and the second end of the inductance L2 are connected to the NMOS tube Q12's altogether
Source electrode, the drain electrode of the NMOS tube Q12 is the described second output end for lifting die block, and the electric capacity C4 is connected to the NMOS
Between pipe Q12 drain electrode and ground, the first termination NMOS tube Q12 of resistance R7 drain electrode, the second of the resistance R7
End and the resistance R8 first end are connected to the feedback reference voltage input pin of the second lifting pressure controller U4, the electricity altogether
R8 the second end ground connection is hindered, the positive pin of current detecting of the second lifting pressure controller U4 bears pin with current detecting and is connected institute respectively
State resistance R6 first end and the second end, the first top gate driving pin of the second lifting pressure controller U4, the second upper end
Raster data model pin, the first lower end raster data model pin and the second lower end raster data model pin grid with the NMOS tube Q12, institute respectively
The grid for stating NMOS tube Q9 grid, the grid of the NMOS tube Q11 and the NMOS tube Q10 is connected, second lifting
Pressure controller U4 power ground pin ground connection.
5. redundant power electric power system as claimed in claim 4, it is characterised in that the first switch module includes resistance
R9, NPN type triode Q13 and diode D1, the resistance R9 first end are the input of the first switch module, described
NPN type triode Q13 emitter stage connects the second end of the resistance R9, and the base stage of the NPN type triode Q13 is described first
The switch control terminal of switch module, the colelctor electrode of the NPN type triode Q13 connect the anode of the diode D1, two pole
Pipe D1 negative electrode is the output end of the first switch module.
6. redundant power electric power system as claimed in claim 5, it is characterised in that second switch module include resistance R10,
NPN type triode Q14 and diode D2, the resistance R10 first end are the input of the second switch module, described
NPN type triode Q14 emitter stage connects the second end of the resistance R10, and the base stage of the NPN type triode Q14 is described the
The switch control terminal of two switch modules, the colelctor electrode of the NPN type triode Q14 connect the anode of the diode D2, and described two
Pole pipe D2 negative electrode is the output end of the second switch module.
7. the redundant power electric power system as described in any one of claim 1 to 6, it is characterised in that when the described first power supply mould
When block and second power supply module are all the power circuit, the switch control terminal of the first switch module and described second
The equal sky of switch control terminal of switch module connects, and the output of the output end of the first switch module and the second switch module
Also equal sky connects at end, and the input of the input of first power supply module and second power supply module connects the first power supply respectively
Bus and the second power supply buses.
8. the redundant power electric power system as described in any one of claim 1 to 6, it is characterised in that when the described first power supply mould
When block and second power supply module are all the battery feed circuit, the input of first power supply module and described second
The equal sky of input of power supply module connects, and the output end of the output end of the first switch module and the second switch module
Equal sky connects.
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| CN105607583A (en) * | 2014-10-29 | 2016-05-25 | 中兴通讯股份有限公司 | Monitoring unit, monitoring device and first monitoring unit in power system |
| CN105024547B (en) * | 2015-07-17 | 2018-02-09 | 深圳市理邦精密仪器股份有限公司 | A kind of redundant power |
| CN107769550A (en) * | 2016-08-19 | 2018-03-06 | 北京计算机技术及应用研究所 | A kind of two-way redundant parallel synchro switch buck DC D/C powers |
| CN107404224B (en) * | 2017-07-25 | 2020-04-28 | 许继电气股份有限公司 | Crimping type IGBT converter valve low-voltage power supply device |
| CN109412258A (en) * | 2018-11-30 | 2019-03-01 | 普联技术有限公司 | A kind of power circuit and electronic equipment |
| CN112445309A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Redundant power supply for computer control system and computer control system |
| CN112491115A (en) * | 2020-11-25 | 2021-03-12 | 四川长虹电器股份有限公司 | Power supply management circuit for standby rechargeable battery |
| CN114301164A (en) * | 2021-11-25 | 2022-04-08 | 北京百度网讯科技有限公司 | Data center diesel generating set and control system thereof |
| CN114243886B (en) * | 2021-12-21 | 2023-10-10 | 威创集团股份有限公司 | Alternating current input redundancy control device |
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