CN109245500A - Method of supplying power to, apparatus and system - Google Patents
Method of supplying power to, apparatus and system Download PDFInfo
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- CN109245500A CN109245500A CN201710556893.1A CN201710556893A CN109245500A CN 109245500 A CN109245500 A CN 109245500A CN 201710556893 A CN201710556893 A CN 201710556893A CN 109245500 A CN109245500 A CN 109245500A
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- power supply
- control
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- control circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
- H02M1/096—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the power supply of the control circuit being connected in parallel to the main switching element
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- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention provides a kind of method of supplying power to, apparatus and system, wherein power supply system includes main road power supply circuit, bypass power supply circuit, control circuit, switching device, wherein the bypass power supply circuit, it is connect with the control circuit, for providing supply voltage for the control circuit；The control circuit is connect, for controlling opening and turning off for the switching device with the main road power supply circuit through the switching device.By adopting the above technical scheme, it solves in the related technology, increase auxiliary winding by the transformer of main road power supply circuit to power come the control circuit filled to counnter attack in circuit, cause main road power supply circuit design of transformer complicated, the problem of being unfavorable for transformer flexible design optimization efficiency, and then the powerup issue that counnter attack fills the control circuit of circuit can be effectively solved, while improving the design flexibility of main road power supply circuit, be conducive to the efficiency optimization of main circuit design.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of method of supplying power to, apparatus and system.
Background technique
Redundant power system is a kind of power-supply system of high reliablity, and the power supply system is by multiple power module parallel connection groups
At mostly applied in the equipment such as server, room system, redundant power module is to prevent power parallel machine wherein a certain module exception
When, cause source current to flow backward and damage, circuit, i.e. ORING circuit is filled in the design counnter attack of output HIGH voltage end, in the high electricity of output
Pressure side increases switching device and control section passes through control circuit control switch device when module exception a certain in power parallel machine
The function that electric current counnter attack fills is realized in the timely disconnection of part.
Fig. 1 is the structural schematic diagram that counnter attack in the related technology fills circuit.As shown in Figure 1, the counnter attack of the power module fills electricity
Road includes the power supply electricity of power module transformation output circuit, current rectifying and wave filtering circuit, switching device, control circuit and control circuit
Source.Wherein, control circuit and switching device integrally form counnter attack and fill circuit, realize that power supply counnter attack fills function.
About the power supply of control circuit, current achievable mode is by main road power supply circuit (i.e. power module
Transformation output circuit) transformer increase auxiliary winding by being supplied to control circuit after rectifying and wave-filtering, but this power supply
Mode makes main transformer design complicated, reduces the design efficiency and design flexibility of main road power supply circuit.
For in the related technology, auxiliary winding is increased by the transformer of main road power supply circuit to fill in circuit to counnter attack
Control circuit power supply causes main transformer design complicated, reduces the design efficiency of main road power supply circuit and asking for design flexibility
Topic, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of method of supplying power to, apparatus and system, at least to solve to pass through master in the related technology
The transformer of road power supply circuit increases auxiliary winding to fill the control circuit power supply in circuit to counnter attack, and main transformer is caused to design
The problem of complexity, the design efficiency and design flexibility of reduction main road power supply circuit.
According to an aspect of the invention, there is provided a kind of power supply system, comprising: main road power supply circuit, bypass power supply electricity
Road, control circuit, switching device, wherein the bypass power supply circuit is connect with the control circuit, for being the control
Circuit provides supply voltage；The control circuit is connect, for controlling with the main road power supply circuit through the switching device
State opening and turning off for switching device.
Preferably, the power supply system further include: ON-OFF control circuit, for controlling the on-off of the control circuit, institute
It states bypass power supply circuit and is connect through the ON-OFF control circuit with the control circuit.
Preferably, the ON-OFF control circuit includes: the first signal controller, first resistor, second resistance, third electricity
Resistance, power supply control triode and signal control triode, wherein the both ends of the first resistor are separately connected the power supply control
The base stage and emitter of triode, the both ends of the second resistance be separately connected the base stage of the power supply control triode with it is described
Signal controls the collector of triode, and the both ends of the 3rd resistor are separately connected the base stage and hair of the signal control triode
Emitter-base bandgap grading, first signal controller connect the base stage of the signal control triode, the current collection of the power supply control triode
The emitter of pole and signal control triode is separately connected the input terminal of the control circuit；First signal controller
For controlling the on-off of the power supply control triode and signal control triode.
Preferably, the ON-OFF control circuit includes: second signal controller, signal relay, for signal relay
Carry out first diode, the 4th resistance, the 5th resistance, signal control metal-oxide-semiconductor and the accessory power supply of the recovery of coil magnetic, wherein
The grid of signal control metal-oxide-semiconductor connects the second signal controller, the output end connection of the accessory power supply described the
Five resistance, the 5th resistance connect the cathode of the first diode, and the both ends of the 4th resistance are separately connected the letter
Number control metal-oxide-semiconductor grid and source electrode, the signal relay and the signal control metal-oxide-semiconductor be separately connected the control circuit
Input terminal；The second signal controller is used to control the on-off of the signal control metal-oxide-semiconductor.
Preferably, the bypass power supply circuit includes: the first transformer, the first rectifying tube and the first filter capacitor, wherein
First transformer is flyback transformer, and the output end of first transformer connects first rectifying tube, described the
One transformer, first filter capacitor in parallel after the first rectifying tube.
Preferably, the bypass power supply circuit includes: the second transformer, the second rectifying tube and the second filter capacitor, wherein
Second transformer is positive activation type transformer, and the output end of second transformer connects second rectifying tube, described the
Two transformers, second filter capacitor in parallel after the second rectifying tube.
Preferably, the bypass power supply circuit further include: the first inductance and third filter capacitor, first inductance and institute
State the series connection of third filter capacitor, the anode of second filter capacitor and the third filter capacitor respectively with third filter inductance
Both ends connection, completes smothing filtering.
Preferably, the main road power supply circuit includes: power module transformation output circuit, described in switching device connection
Power module converts output circuit and the control circuit.
Preferably, the voltage output end of the voltage output end of the bypass power supply circuit and the power conversion output circuit
Altogether.
Preferably, the high-voltage end of the voltage output end of the bypass power supply circuit and the power conversion output circuit connects
It connects.
According to another aspect of the present invention, a kind of method of supplying power to is additionally provided, comprising: control circuit receives and the control
The supply voltage that the bypass power supply circuit of circuit connection processed provides；The control circuit control switch device being opened and closing
It is disconnected, wherein the switching device connects the control circuit and main road power supply circuit.
Preferably, the method also includes: the control circuit receives the control instruction of ON-OFF control circuit, wherein institute
Control instruction is stated for controlling the on-off of the control circuit, the ON-OFF control circuit be set to the bypass power supply circuit and
Between the control circuit.
Preferably, the ON-OFF control circuit includes: the first signal controller, first resistor, second resistance, third electricity
Resistance, power supply control triode and signal control triode, wherein the both ends of the first resistor are separately connected the power supply control
The base stage and emitter of triode, the both ends of the second resistance be separately connected the base stage of the power supply control triode with it is described
Signal controls the collector of triode, and the both ends of the 3rd resistor are separately connected the base stage and hair of the signal control triode
Emitter-base bandgap grading, first signal controller connect the base stage of the signal control triode, the current collection of the power supply control triode
The emitter of pole and signal control triode is separately connected the input terminal of the control circuit；First signal controller
For controlling the on-off of the power supply control triode and signal control triode.
Preferably, it includes: second signal controller, signal that the ON-OFF control circuit, which includes: the ON-OFF control circuit,
Relay, the first diode that the recovery of coil magnetic is carried out for signal relay, the 4th resistance, the 5th resistance, signal control MOS
Pipe and accessory power supply, wherein the grid of the signal control metal-oxide-semiconductor connects the second signal controller, the auxiliary electricity
The output end in source connects the 5th resistance, and the 5th resistance connects the cathode of the first diode, the 4th resistance
Both ends be separately connected the grid and source electrode of signal control metal-oxide-semiconductor, the signal relay and the signal control metal-oxide-semiconductor
It is separately connected the input terminal of the control circuit；The second signal controller is used to control the logical of the signal control metal-oxide-semiconductor
It is disconnected.
Preferably, the bypass power supply circuit includes: the first transformer, the first rectifying tube and the first filter capacitor, wherein
First transformer is flyback transformer, and the output end of first transformer connects first rectifying tube, described the
One transformer, first filter capacitor in parallel after the first rectifying tube.
Preferably, the bypass power supply circuit includes: the second transformer, the second rectifying tube and the second filter capacitor, wherein
Second transformer is positive activation type transformer, and the output end of second transformer connects second rectifying tube, described the
Two transformers, second filter capacitor in parallel after the second rectifying tube.
Preferably, the bypass power supply circuit further include: the first inductance and third filter capacitor, first inductance and institute
State the series connection of third filter capacitor, the anode of second filter capacitor and the third filter capacitor respectively with third filter inductance
Both ends connection.
According to another aspect of the present invention, a kind of power supply unit is additionally provided, control circuit is applied to, comprising: is received
Module, the supply voltage provided for receiving the bypass power supply circuit connecting with the control circuit；Control module is used for
Control switch device being opened and turning off, wherein the switching device connects the control circuit and main road power supply circuit.
In embodiments of the present invention, a kind of computer storage medium is additionally provided, which can store
It executes instruction, this executes instruction the realization for executing the method for supplying power in above-described embodiment.
Through the invention, bypass power supply circuit and control circuit are set in power supply system, and wherein control circuit can connect
The supply voltage that the bypass power supply circuit provides is received, solves in the related technology, is increased by the transformer of main road power supply circuit
Add auxiliary winding to fill the control circuit power supply in circuit to counnter attack, causes main road power supply circuit design of transformer complicated, it is unfavorable
In the transformer flexible design optimization efficiency the problem of, and then the power supply that can effectively solve the control circuit that counnter attack fills circuit is asked
Topic, while the design flexibility of main road power supply circuit is improved, be conducive to the efficiency optimization of main circuit design.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that counnter attack in the related technology fills circuit；
Fig. 2 is the structural schematic diagram (one) of according to embodiments of the present invention 1 power supply system；
Fig. 3 is the structural schematic diagram (two) of according to embodiments of the present invention 1 power supply system；
Fig. 4 is the flow chart of according to embodiments of the present invention 2 method of supplying power to；
Fig. 5 is the structural schematic diagram (one) of according to embodiments of the present invention 2 power supply unit；
Fig. 6 is the structural schematic diagram (two) of according to embodiments of the present invention 2 power supply unit；
Fig. 7 is the electrical block diagram (one) of according to embodiments of the present invention 3 power supply system；
Fig. 8 is the electrical block diagram (two) of according to embodiments of the present invention 3 power supply system；
Fig. 9 is the electrical block diagram (three) of according to embodiments of the present invention 3 power supply system.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of power supply system is provided, the counnter attack for being mainly used for solving redundant power system fills
The powerup issue of control circuit in circuit.Fig. 2 is the structural schematic diagram (one) of according to embodiments of the present invention 1 power supply system.Such as
Shown in Fig. 2, power supply system provided in this embodiment includes:
Main road power supply circuit 20, bypass power supply circuit 22, switching device 26, control circuit 24, wherein bypass power supply circuit
22, it is connect with control circuit 24, for providing supply voltage for control circuit 24；Control circuit 24, through switching device 26 and master
Road power supply circuit 20 connects, opening and turning off for control switch device 26.
Through this embodiment, main road power supply circuit 20, bypass power supply circuit 22 and control circuit are set in power supply system
24, wherein control circuit 24 can receive the supply voltage that main road power supply circuit 20 and/or bypass power supply circuit 22 provide, and solve
In the related technology, increase auxiliary winding by the transformer of main road power supply circuit to supply come the control circuit filled to counnter attack in circuit
The problem of electricity causes main road power supply circuit design of transformer complicated, is unfavorable for transformer flexible design optimization efficiency, and then can be with
The powerup issue that counnter attack fills the control circuit of circuit is effectively solved, while improving the design flexibility of main road power supply circuit, is had
Conducive to the efficiency optimization of main circuit design.
It should be noted that the power supply way of output of bypass power supply circuit is not limited to various topologys in the embodiment of the present invention
Structure, various voltage output ranges, the various connection types etc. with main road circuit.
In an optional example of the embodiment of the present invention, control circuit 24 receives the power supply that bypass power supply circuit 22 provides
Voltage.It should be noted that if the power cut off delay of bypass power supply circuit is longer, after the power-off of main road power supply circuit, herein may be used
After being interpreted as the power-off of main road power supply circuit, the supply voltage of bypass power supply circuit output is powered electric by control circuit to main road
Between the output positive and negative anodes on road, a circuit is formed, the case where filling up again will occur in the output end of main road power supply circuit, i.e., and two
Secondary charging phenomenon, when charging voltage is higher, application system meeting erroneous detection measures the voltage.
Fig. 3 is the structural schematic diagram (two) of according to embodiments of the present invention 1 power supply system.As shown in figure 3, in order to avoid upper
State the recharging phenomenon of main road power supply circuit, the power supply system of the present embodiment further include: ON-OFF control circuit 28 is set to auxiliary
Between road power supply circuit 22 and control circuit 24, for controlling the on-off of control circuit 24.
Control circuit 24 receives the supply voltage that bypass power supply circuit 22 provides, and is controlled by ON-OFF control circuit 28
On-off between bypass power supply circuit 22 processed and control circuit 24.When main road power supply circuit 20 powers off, ON-OFF control circuit 28
A signal is received, to disconnect the connection between bypass power supply circuit 22 and control circuit 24, avoids main road power supply circuit
20 generate recharging phenomenon, ensure that the power-efficient of main road power supply circuit.
In this example, power supply system further include: switching device 28, main road power supply circuit 20 include: power module transformation
Output circuit 201 and current rectifying and wave filtering circuit 202.Switching device 28 connects power module transformation output circuit 201 and control circuit
24, wherein control circuit 24 is also used to the on-off of control switch device 28.When module a certain in main road power supply circuit 20 is abnormal
When, the function of electric current counnter attack filling is realized by disconnecting switching device 28.
Preferably, the ON-OFF control circuit includes: the first signal controller, first resistor, second resistance, third electricity
Resistance, power supply control triode and signal control triode, wherein the both ends of the first resistor are separately connected the power supply control
The base stage and emitter of triode, the both ends of the second resistance be separately connected the base stage of the power supply control triode with it is described
Signal controls the collector of triode, and the both ends of the 3rd resistor are separately connected the base stage and hair of the signal control triode
Emitter-base bandgap grading, first signal controller connect the base stage of the signal control triode, the current collection of the power supply control triode
The emitter of pole and signal control triode is separately connected the input terminal of the control circuit；First signal controller
For controlling the on-off of the power supply control triode and signal control triode.
Preferably, it includes: second signal controller, signal that the ON-OFF control circuit, which includes: the ON-OFF control circuit,
Relay, the first diode that the recovery of coil magnetic is carried out for signal relay, the 4th resistance, the 5th resistance, signal control MOS
Pipe and accessory power supply, wherein the grid of the signal control metal-oxide-semiconductor connects the second signal controller, the auxiliary electricity
The output end in source connects the 5th resistance, and the 5th resistance connects the cathode of the first diode, the 4th resistance
Both ends be separately connected the grid and source electrode of signal control metal-oxide-semiconductor, the signal relay and the signal control metal-oxide-semiconductor
It is separately connected the input terminal of the control circuit；The second signal controller is used to control the logical of the signal control metal-oxide-semiconductor
It is disconnected.
Preferably, the bypass power supply circuit includes: the first transformer, the first rectifying tube and the first filter capacitor, wherein
First transformer is flyback transformer, and the output end of first transformer connects first rectifying tube, described the
One transformer, first filter capacitor in parallel after the first rectifying tube.
Preferably, the bypass power supply circuit includes: the second transformer, the second rectifying tube and the second filter capacitor, wherein
Second transformer is positive activation type transformer, and the output end of second transformer connects second rectifying tube, described the
Two transformers, second filter capacitor in parallel after the second rectifying tube.
Preferably, the bypass power supply circuit further include: the first inductance and third filter capacitor, first inductance and institute
State the series connection of third filter capacitor, the anode of second filter capacitor and the third filter capacitor respectively with third filter inductance
Both ends connection.
It should be noted that the switching device in the embodiment of the present invention is not limited to existing MOS, IGBT, relay, light
The devices such as coupling, thyristor and various combinations.Current rectifying and wave filtering circuit 202 is used to convert output circuit 201 to power module
The supply voltage of output is rectified and is filtered.
Embodiment 2
Technical solution for a better understanding of the present invention additionally provides a kind of method of supplying power in the present embodiment, applies
In above-mentioned power supply system, details are not described herein again for the explanation carried out.Fig. 4 is according to embodiments of the present invention 2 method of supplying power to
Flow chart.As shown in figure 4, the method for supplying power to of the present embodiment includes:
S402, control circuit receive the supply voltage that the bypass power supply circuit connected to the control circuit provides；
S404, control circuit control switch device being opened and turning off, wherein switching device connects control circuit and main road
Power supply circuit.
Method of supplying power to through this embodiment, control circuit receive the bypass power supply electricity connecting with the control circuit
The supply voltage that road provides；The control circuit control switch device being opened and turning off, wherein the switching device connects institute
State control circuit and main road power supply circuit, solve in the related technology, by the transformer of main road power supply circuit increase auxiliary around
Group to fill the control circuit power supply in circuit to counnter attack, causes main road power supply circuit design of transformer complicated, is unfavorable for transformer
The problem of flexible design optimization efficiency, and then the powerup issue that counnter attack fills the control circuit of circuit can be effectively solved, it mentions simultaneously
The high design flexibility of main road power supply circuit, is conducive to the efficiency optimization of main circuit design.
In an optional example of the embodiment of the present invention, the above method further include: control circuit connection switch control electricity
Road, wherein ON-OFF control circuit is set between bypass power supply circuit and control circuit, for controlling the logical of the control circuit
It is disconnected.
Control circuit receives the supply voltage that bypass power supply circuit provides, and controls bypass by ON-OFF control circuit
On-off between power supply circuit and control circuit.When the power-off of main road power supply circuit, ON-OFF control circuit receives a signal,
To disconnect the connection between bypass power supply circuit and control circuit, main road power supply circuit is avoided to generate recharging phenomenon, protected
The power-efficient of main road power supply circuit is demonstrate,proved.
Preferably, ON-OFF control circuit includes: the first signal controller, first resistor, second resistance, 3rd resistor, confession
Electric control triode and signal control triode, wherein the both ends of first resistor are separately connected the base stage of power supply control triode
And emitter, the both ends of second resistance are separately connected the base stage of power supply control triode and the collector of signal control triode,
The both ends of 3rd resistor are separately connected the base stage and emitter of signal control triode, the control of the first signal controller connection signal
The emitter of the base stage of triode, collector and signal the control triode of power supply control triode is separately connected control circuit
Input terminal；First signal controller is used to control the on-off of power supply control triode and signal control triode.
Preferably, it includes: second signal controller, signal relay, use that ON-OFF control circuit, which includes: ON-OFF control circuit,
The first diode of coil magnetic recovery, the 4th resistance, the 5th resistance, signal control metal-oxide-semiconductor and auxiliary are carried out in signal relay
Help power supply, wherein the grid that signal controls metal-oxide-semiconductor connects second signal controller, the 5th electricity of output end connection of accessory power supply
Resistance, the 5th resistance connect the cathode of the first diode, and the both ends of the 4th resistance are separately connected the grid of signal control metal-oxide-semiconductor
And source electrode, signal relay and signal control the input terminal that metal-oxide-semiconductor is separately connected control circuit；Second signal controller is for controlling
The on-off of signal control metal-oxide-semiconductor processed.
Preferably, bypass power supply circuit includes: the first transformer, the first rectifying tube and the first filter capacitor, wherein first
Transformer is flyback transformer, and the output end of the first transformer connects the first rectifying tube, and the first transformer is by the first rectification
First filter capacitor in parallel after pipe.
Preferably, bypass power supply circuit includes: the second transformer, the second rectifying tube and the second filter capacitor, wherein second
Transformer is positive activation type transformer, and the output end of the second transformer connects the second rectifying tube, and the second transformer is by the second rectification
Second filter capacitor in parallel after pipe.
Preferably, bypass power supply circuit further include: the first inductance and third filter capacitor, the first inductance and third filtered electrical
Hold and connect, the anode of the second filter capacitor and third filter capacitor is connect with third filter inductance both ends respectively.
Technical solution in embodiment for a better understanding of the present invention, the present embodiment additionally provide a kind of power supply unit,
For realizing above-mentioned method of supplying power to, details are not described herein again for the explanation carried out.Fig. 5 is according to embodiments of the present invention 2 confession
The structural schematic diagram (one) of electric installation.As shown in figure 5, the power supply unit of the present embodiment includes: link block 50, for passing through control
Circuit connection main road power supply circuit and bypass power supply circuit processed；Receiving module 52, for receiving bypass power supply by control circuit
The supply voltage that circuit provides.
Power supply unit through this embodiment, receiving module 52 receive what bypass power supply circuit provided by control circuit
Supply voltage, solves in the related technology, increases auxiliary winding by the transformer of main road power supply circuit to fill circuit to counnter attack
In control circuit power supply, cause main road power supply circuit design of transformer complicated, be unfavorable for transformer flexible design optimization efficiency
The problem of, and then the powerup issue that counnter attack fills the control circuit of circuit can be effectively solved, while improving main road power supply circuit
Design flexibility, be conducive to the efficiency optimization of main circuit design.
In an optional example of the embodiment of the present invention, as shown in fig. 6, above-mentioned power supply unit further include: switch control mould
Block 54, bypass power supply module 56 and control module 58, wherein switch control module 54 is set to bypass power supply module 56 and control
Between module 58, for controlling the connection on-off between bypass power supply module 56 and control module 58.
Control module 58 receives the supply voltage that bypass power supply module provides, and is controlled by switch control module auxiliary
On-off between road power supply module and control module.When the power-off of main road power supply module, switch control module receives a letter
Number, to disconnect the connection between bypass power supply module and control module, main road power supply module is avoided to generate recharging phenomenon,
It ensure that the power-efficient of main road power supply circuit.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment 3
Technical solution in embodiment for a better understanding of the present invention, the present embodiment is by several specific embodiments to upper
State the ON-OFF control circuit or switch control module in embodiment, the circuit structure in bypass power supply circuit or bypass power supply module
It is specifically described.
Specific embodiment one
Fig. 7 is the electrical block diagram (one) of according to embodiments of the present invention 3 power supply system.As shown in figure 4, in this hair
In one specific embodiment of bright embodiment, ON-OFF control circuit (switch control module) include: the first signal controller CTL1,
First resistor R1, second resistance R2,3rd resistor R3, power supply control triode VT1 and signal control triode VT2, wherein the
The both ends of one resistance R1 are separately connected the base stage and emitter of power supply control triode VT1, and the both ends of second resistance R2 connect respectively
The emitter of power supply control triode VT1 and the collector of signal control triode VT2 are connect, the both ends of 3rd resistor R3 connect respectively
The base stage and emitter of signal control triode VT2 are connect, the first signal controller CTL1 connection signal controls the base stage of triode
The collector of collector and signal control the triode VT2 of VT2, power supply control triode VT1 are separately connected the defeated of control circuit
Enter end；First signal controller CTL1 is used to control the on-off of power supply control triode VT1 and signal control triode VT2.
Herein, first resistor R1 is equivalent to the PN junction resistance of power supply control triode VT1, and second resistance R2 is the equal of limit
Leakage resistance, 3rd resistor R3 are the equal of the PN junction resistance of signal control triode VT2.
It includes control circuit and switching device that counnter attack in the embodiment of the present invention, which fills circuit, passes through power supply control triode
Opening for VT1 controls control circuit with shutdown, and the emitting stage of VT1 is connected with the collector of VT2 by current-limiting resistance R2,
VT1 and VT2 distinguishes one resistance R1, R3 of parallel connection on PN junction.First signal controller CTL1 controls conducting and the pass of VT1 and VT2
It is disconnected, realize the power supply control that control circuit is filled to counnter attack.Wherein control signal can be provided by single-chip microcontroller or control chip
Clock signal controls；It is also possible to the trigger signal that power supply (i.e. main road power supply circuit) is powered with provides in power process.It is logical
Crossing the ON-OFF control circuit can effectively solve the problems, such as to cause power supply recharging after power supply shuts down.
With continued reference to Fig. 7, the embodiment of the present invention provides a kind of bypass power supply circuit (bypass power supply module) simultaneously, packet
It including: the first transformer T1, the first rectifying tube Z1 and the first filter capacitor C1, wherein the first transformer T1 is flyback transformer,
The output end of first transformer T1 connects the first rectifying tube Z1, first the first filter capacitor C1 of transformer T1 parallel connection.
The first rectifying tube Z1 herein can be rectifier diode, be also possible to rectify metal-oxide-semiconductor, the present embodiment does not make this
It limits.In this specific embodiment, continued to explain by taking rectifier diode as an example.
Bypass power supply circuit is rectified, by the first filtered electrical by a flyback transformer T1 output end by diode D1
After holding C1, control circuit is filled for counnter attack, one stable supply voltage, the output electricity of the supply voltage and main road power supply circuit are provided
Pressure is altogether.
In this specific embodiment, switching device is realized by MOSFET pipe M, the grid of the output end connection M of control circuit
Pole.
Specific embodiment two
Fig. 8 is the electrical block diagram (two) of according to embodiments of the present invention 3 power supply system.As shown in figure 8, in this hair
In one specific embodiment of bright embodiment, ON-OFF control circuit (switch control module) include: second signal controller CRT2,
Signal relay K1, the first diode D1, the 4th resistance R4, the signal control that the recovery of coil magnetic is carried out for signal relay
Metal-oxide-semiconductor VT3 and accessory power supply VCC, wherein the grid that signal controls metal-oxide-semiconductor VT3 connects second signal controller CRT2, auxiliary
The output end of power supply VCC is helped to connect the cathode of the first diode D1, the both ends of the 4th resistance R4 are separately connected signal control metal-oxide-semiconductor
The grid and source electrode of VT3, signal relay K1 and signal control metal-oxide-semiconductor VT3 are separately connected the input terminal of control circuit；Second letter
Number controller CRT2 is used to control the on-off of signal control metal-oxide-semiconductor VT3.
In optional example, accessory power supply VCC series connection one current-limiting resistance R5, R4 are the grid source resistance of VT3.
Second signal controller CRT2 by control signal control metal-oxide-semiconductor VT3 conducting and shutdown, to signal relay K1 into
Row switch control, to realize the power supply control for filling control circuit to counnter attack.Wherein control signal can pass through single-chip microcontroller or control
The clock signal that coremaking piece provides controls；It is also possible to power supply (i.e. main road power supply circuit) to be powered and provide in power process
Trigger signal.Cause power supply recharging after can effectively solving the problems, such as power supply shutdown by the ON-OFF control circuit.
Bypass power supply circuit in this specific embodiment can be with the structure of the bypass power supply circuit in specific embodiment one
It is similar, it is not repeated herein.
Specific embodiment three
In above-mentioned specific embodiment, bypass power supply circuit can also be another structure.Fig. 9 is according to embodiments of the present invention
The electrical block diagram (three) of 3 power supply system.Referring to Fig. 9, bypass power supply circuit includes: the second transformer T2, second whole
Flow tube Z2 and the second filter capacitor C2, wherein the second transformer T2 is positive activation type transformer, and the output end of the second transformer T2 connects
Meet the second rectifying tube Z2, second the second filter capacitor C2 of transformer T2 parallel connection.
In preferable example, above-mentioned bypass power supply circuit further include: the first inductance L1 and third filter capacitor C3, the first inductance
L1 and third filter capacitor C3 series connection, the second filter capacitor C2 and third filter capacitor C3 are in parallel.
A kind of forward converter used has more preferably transformer efficiency, and transformer output is rectified by rectifying tube Z2,
After the second filter capacitor C2, smothing filtering is carried out using level-one differential mode inductance L1 and third filter capacitor C3, to mention
For stable power-supplying voltage.
Specific embodiment four
In above-mentioned specific embodiment, the earthing mode of the transformer-supplied of bypass power supply circuit is also possible to and main line
High voltage end be connected.Which makes the voltage provided needed for the transformer winding of bypass power supply circuit relatively low, can subtract
Few transformer coiling the number of turns.
Embodiment 4
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
For saving program code performed by method of supplying power to provided by above-described embodiment one.
Optionally, in the present embodiment, above-mentioned storage medium can be located in computer network in computer terminal group
In any one terminal, or in any one mobile terminal in mobile terminal group.
Optionally, in the present embodiment, storage medium is arranged to store the program code for executing following steps:
S1 connects main road power supply circuit and bypass power supply circuit by control circuit；
S2 receives the supply voltage that main road power supply circuit and/or bypass power supply circuit provide by control circuit.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of power supply system characterized by comprising main road power supply circuit, bypass power supply circuit, control circuit, derailing switch
Part, wherein
The bypass power supply circuit, connect with the control circuit, for providing supply voltage for the control circuit；
The control circuit is connect, for controlling the switching device with the main road power supply circuit through the switching device
It opens and turns off.
2. system according to claim 1, which is characterized in that the power supply system further include: ON-OFF control circuit is used for
The on-off of the control circuit is controlled, the bypass power supply circuit is connect through the ON-OFF control circuit with the control circuit.
3. system according to claim 2, which is characterized in that the ON-OFF control circuit include: the first signal controller,
First resistor, second resistance, 3rd resistor, power supply control triode and signal control triode, wherein the first resistor
Both ends are separately connected the base stage and emitter of the power supply control triode, and the both ends of the second resistance are separately connected the confession
The collector of the base stage of electric control triode and signal control triode, the both ends of the 3rd resistor are separately connected described
Signal controls the base stage and emitter of triode, and first signal controller connects the base stage of the signal control triode,
The emitter of the collector of the power supply control triode and signal control triode is separately connected the control circuit
Input terminal；First signal controller is used to control the power supply control triode and the signal controls the logical of triode
It is disconnected.
4. system according to claim 2, which is characterized in that the ON-OFF control circuit include: second signal controller,
Signal relay, first diode, the 4th resistance, the 5th resistance, signal control that the recovery of coil magnetic is carried out for signal relay
Metal-oxide-semiconductor and accessory power supply processed, wherein the grid of the signal control metal-oxide-semiconductor connects the second signal controller, described auxiliary
The output end of power supply is helped to connect the 5th resistance, the 5th resistance connects the cathode of the first diode, and the described 4th
The both ends of resistance are separately connected the grid and source electrode of the signal control metal-oxide-semiconductor, the signal relay and signal control
Metal-oxide-semiconductor is separately connected the input terminal of the control circuit；The second signal controller is for controlling the signal control metal-oxide-semiconductor
On-off.
5. system according to claim 1-4, which is characterized in that the bypass power supply circuit includes: the first change
Depressor, the first rectifying tube and the first filter capacitor, wherein first transformer is flyback transformer, first transformation
The output end of device connects first rectifying tube, first transformer, first filtering in parallel after the first rectifying tube
Capacitor.
6. system according to claim 1-4, which is characterized in that the bypass power supply circuit includes: the second change
Depressor, the second rectifying tube and the second filter capacitor, wherein second transformer is positive activation type transformer, second transformation
The output end of device connects second rectifying tube, second transformer, second filtering in parallel after the second rectifying tube
Capacitor.
7. system according to claim 6, which is characterized in that the bypass power supply circuit further include: the first inductance and
Three filter capacitors, first inductance and third filter capacitor series connection, second filter capacitor and third filtering
The anode of capacitor is connect with third filter inductance both ends respectively, completes smothing filtering.
8. system according to claim 1-4, which is characterized in that the main road power supply circuit includes: power supply mould
Block converts output circuit, and the switching device connects the power module transformation output circuit and the control circuit.
9. system according to claim 8, which is characterized in that the voltage output end and the electricity of the bypass power supply circuit
Source converts the voltage output end of output circuit altogether.
10. system according to claim 8, which is characterized in that the voltage output end of the bypass power supply circuit with it is described
The high-voltage end of power conversion output circuit connects.
11. a kind of method of supplying power to characterized by comprising
Control circuit receives the supply voltage that the bypass power supply circuit connecting with the control circuit provides；
The control circuit control switch device being opened and turning off, wherein the switching device connect the control circuit and
Main road power supply circuit.
12. according to the method for claim 11, which is characterized in that the method also includes:
The control circuit receives the control instruction of ON-OFF control circuit, wherein the control instruction is for controlling the control
The on-off of circuit, the ON-OFF control circuit are set between the bypass power supply circuit and the control circuit.
13. according to the method for claim 12, which is characterized in that the ON-OFF control circuit includes: the control of the first signal
Device, first resistor, second resistance, 3rd resistor, power supply control triode and signal control triode, wherein first electricity
The both ends of resistance are separately connected the base stage and emitter of the power supply control triode, and the both ends of the second resistance are separately connected institute
The base stage of power supply control triode and the collector of signal control triode are stated, the both ends of the 3rd resistor are separately connected
The base stage and emitter of the signal control triode, first signal controller connect the base of the signal control triode
The emitter of pole, the collector of the power supply control triode and signal control triode is separately connected the control circuit
Input terminal；First signal controller is used to control the power supply control triode and the signal controls the logical of triode
It is disconnected.
14. according to the method for claim 12, which is characterized in that the ON-OFF control circuit includes: the switch control
Circuit include: second signal controller, signal relay, for signal relay carry out the recovery of coil magnetic first diode,
4th resistance, the 5th resistance, signal control metal-oxide-semiconductor and accessory power supply, wherein the grid connection of the signal control metal-oxide-semiconductor
The second signal controller, the output end of the accessory power supply connect the 5th resistance, described in the 5th resistance connection
The cathode of first diode, the both ends of the 4th resistance are separately connected the grid and source electrode of the signal control metal-oxide-semiconductor, described
Signal relay and signal control metal-oxide-semiconductor are separately connected the input terminal of the control circuit；The second signal controller
For controlling the on-off of the signal control metal-oxide-semiconductor.
15. the described in any item methods of 1-14 according to claim 1, which is characterized in that the bypass power supply circuit includes: first
Transformer, the first rectifying tube and the first filter capacitor, wherein first transformer is flyback transformer, and described first becomes
The output end of depressor connects first rectifying tube, first transformer, first filter in parallel after the first rectifying tube
Wave capacitor.
16. the described in any item methods of 1-14 according to claim 1, which is characterized in that the bypass power supply circuit includes: second
Transformer, the second rectifying tube and the second filter capacitor, wherein second transformer is positive activation type transformer, and described second becomes
The output end of depressor connects second rectifying tube, second transformer, second filter in parallel after the second rectifying tube
Wave capacitor.
17. according to the method for claim 16, which is characterized in that the bypass power supply circuit further include: the first inductance and
Third filter capacitor, first inductance and third filter capacitor series connection, second filter capacitor and third filter
The anode of wave capacitor is connect with third filter inductance both ends respectively.
18. a kind of power supply unit is applied to control circuit characterized by comprising
Receiving module, the supply voltage provided for receiving the bypass power supply circuit connecting with the control circuit；
Control module, opening and turning off for control switch device, wherein the switching device connect the control circuit and
Main road power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556893.1A CN109245500A (en) | 2017-07-10 | 2017-07-10 | Method of supplying power to, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556893.1A CN109245500A (en) | 2017-07-10 | 2017-07-10 | Method of supplying power to, apparatus and system |
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|---|---|
| CN109245500A true CN109245500A (en) | 2019-01-18 |
Family
ID=65083361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710556893.1A Pending CN109245500A (en) | 2017-07-10 | 2017-07-10 | Method of supplying power to, apparatus and system |
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| CN109917892A (en) * | 2019-03-06 | 2019-06-21 | 苏州浪潮智能科技有限公司 | A kind of server system |
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