CN203608098U - Power supply device - Google Patents
Power supply device Download PDFInfo
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- CN203608098U CN203608098U CN201320615437.7U CN201320615437U CN203608098U CN 203608098 U CN203608098 U CN 203608098U CN 201320615437 U CN201320615437 U CN 201320615437U CN 203608098 U CN203608098 U CN 203608098U
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Abstract
The utility model provides a power supply device electricity connects in an alternating current power supply ware and an electronic system, and power supply device contains a rectifier, a power converter, a controller, a power manager and a switching element. The power converter is electrically connected to the rectifier, and includes a first power output terminal and a standby power output terminal electrically connected to the electronic system. The controller is electrically connected with the power converter; the power manager is electrically connected to the controller and the electronic system. The switch element is electrically connected with the first power supply output end, the power supply manager and the electronic system, and the switch element is controlled by the power supply manager to switch on or off the electric power which is output by the first power supply output end and transmitted to the electronic system, so that the power consumption in standby is reduced.
Description
Technical field
The utility model relates to a kind of power supply device, especially relates to a kind of power supply device with low standby power loss.
Background technology
Coordinating with reference to Fig. 1, is the circuit block diagram of existing power supply device.Power supply device 1 is connected in an AC power supply ACP and an electronic system PS, and power supply device 1 receives the alternating electromotive force of AC power supply ACP output, and alternating electromotive force is carried out being passed to electronic system PS after electric energy conversion.Power supply device 1 can be for operating in normal mode or standby mode (standby mode), wherein normal mode operation refers to electric power required when power supply device 1 must provide electronic system PS operation, meaning in the time of normal mode, is connected in the electronic system PS of power supply device 1 in open state; Otherwise holding state refers to that electronic system PS is in off-mode.
The first optical isolator OC1 is electrically connected on one first power output end VA and first controller 14 of main power source transducer 12, the second optical isolator OC2 is electrically connected on a standby power output Vsb of attached power supply changeover device 13 and second controller 15, the three optical isolator OC3 and the 4th optical isolator OC4 and is electrically connected on respectively power supervisor 16 and the first controller 14.It is for example optical coupler that the first optical isolator OC1, the second optical isolator OC2, the 3rd optical isolator OC3 and the 4th optical isolator OC4 can distinguish.
Main power source transducer 12 receives the direct current power that rectifier 11 is exported, and main power source transducer 12 is accepted the first controller 14 and controlled, to change the electric power of the first power output end VA and second source output VB output.Main power source transducer 12 is DC-DC converter (DC to DC converter), and can be for example LLC resonant mode power supply changeover device, dual forward power switcher (Dual Forward Converter) or single forward power switcher (Single Forward Converter).Attached power supply changeover device 13 receives the direct current power that rectifier 11 is exported, and attached power supply changeover device 13 is accepted second controller 15 and controlled, to change the electric power of output.Attached power supply changeover device 13 can be for example direction flyback converter (flyback converter).
Main power source transducer 12 carries out electric energy conversion so that direct current power is converted to main electric power and is exported by the first power output end VA and second source output VB in the time of normal mode, and in the time of standby mode, stops electric energy conversion and do not export main electric power (meaning the first power output end VA and not output power of second source output VB).No matter attached power supply changeover device 13 all carries out electric energy conversion in the time of normal mode or standby mode, direct voltage is converted to stand-by electric and is exported by standby power output Vsb.Power supply device 1, by when the standby mode, stops main power source transducer 12 output powers, can effectively reduce the energy resource consumption of power supply change-over device 1 at standby mode, to reach the object of power saving.
But, power supply device 1 must comprise main power source transducer 12 and attached power supply changeover device 13 simultaneously, this makes the volume of power supply device 1 large, and, under normal mode operation, main power source transducer 12 and attached power supply changeover device 13 must carry out electric energy conversion simultaneously, cause the energy resource consumption of power supply device 1 under normal mode operation to increase.
Utility model content
Described in prior art, a technical scheme of this disclosure, is to provide a kind of power supply device, and power supply device has the feature of standby low-power consumption and miniaturization.
One execution mode of the technical program provides a kind of power supply device, power supply device is electrically connected on an AC power supply and an electronic system, power supply device receives the alternating electromotive force of AC power supply output, and alternating electromotive force is carried out exporting electronic system to after electric energy conversion, power supply device comprises a rectifier, a power supply changeover device, a controller, a power supervisor and a switch element.Power supply changeover device is electrically connected on rectifier, and power supply changeover device comprises one first power output end and a standby power output, and standby power output is electrically connected on electronic system.Controller is electrically connected on power supply changeover device; Power supervisor is electrically connected on controller and electronic system.Switch element is electrically connected on the first power output end, power supervisor and electronic system, the electric power that switch element is exported and is passed to by the first power output end with conducting or cut-out according to the control of power supervisor.
In other execution mode of the technical program, power supply changeover device also comprises a second source output, be electrically connected on switch element, switch element is exported and is passed to the electric power of electronic system by the first power output end and second source output with conducting or cut-out according to the control of power supervisor.
In other execution mode of the technical program, power supply device also comprises one first isolating switch, be electrically connected on second source output, standby power output and controller, the electric power of second source output, the output of standby power output is passed to controller by the first isolating switch.
In other execution mode of the technical program, power supply device also comprises a standby power transducer and a DC-DC power converter, and standby power transducer is electrically connected on standby power output.DC-DC power converter is electrically connected on the first power output end, DC-DC power converter comprises a second source output and one the 3rd power output end, second source output and the 3rd power output end are electrically connected on switch element, the electric power that switch element is exported with conducting or switching the first power output end, second source output and the 3rd power output end according to the control of power supervisor.
In other execution mode of the technical program, power supply device also comprises one first isolating switch, is electrically connected on the first power output end and controller, and the electric power of the first power output end output is passed to controller by the first isolating switch.
In other execution mode of the technical program; power supply device also comprises one second isolating switch and one the 3rd isolating switch; the second isolating switch is electrically connected on power supervisor and controller, and the guard signal that the second isolating switch sends power supervisor is passed to controller.The 3rd isolating switch is electrically connected on power supervisor and controller, and the control signal that the 3rd isolating switch sends controller is passed to power supervisor.
In other execution mode of the technical program, power supply device also comprises an Electromagnetic interference filter, is electrically connected on AC power supply and rectifier.
In other execution mode of the technical program, wherein power supply changeover device is DC-DC power converter.
In other execution mode of the technical program, power supply changeover device is LLC resonant mode power supply changeover device, dual forward power switcher or single forward power switcher.
Provide a kind of power supply device at another execution mode of the present embodiment, power supply device is electrically connected on an AC power supply and an electronic system, power supply device receives the alternating electromotive force of AC power supply output, and alternating electromotive force is carried out exporting electronic system to after electric energy conversion, power supply device comprises a rectifier, a power supply changeover device, a DC-to-DC converter, a controller, a power supervisor and a switch element.Power supply changeover device is electrically connected on rectifier, and power supply changeover device comprises one first power output end.DC-to-DC converter is electrically connected on the first power output end, and DC-to-DC output comprises a second source output, one the 3rd power output end and a standby power output, and standby output is electrically connected on electronic system.Controller is electrically connected on power supply changeover device.Power supervisor is electrically connected on controller and DC-DC power converter.Switch element is electrically connected on the first power output end, second source output, the 3rd power output end, power supervisor and electronic system, the electric power that switch element is exported and is passed to by the first power output end, second source output and the 3rd power output end with conducting or cut-out according to the control of power supervisor.
In other execution mode of the technical program, power supply device also comprises one first isolating switch, one second isolating switch and one the 3rd isolating switch, the first isolating switch is electrically connected on the first power output end and controller, and the electric power of the first power output end output is passed to controller by the first isolating switch.The second isolating switch is electrically connected on power supervisor and controller, and the guard signal that the second isolating switch sends power supervisor is passed to controller.The 3rd isolating switch is electrically connected on power supervisor and controller, and the control signal that the 3rd isolating switch sends controller is passed to power supervisor.
In other execution mode of the technical program, power supply device also comprises an Electromagnetic interference filter, is electrically connected on AC power supply and rectifier.
In other execution mode of the technical program, wherein power supply changeover device is DC-DC power converter.
In other execution mode of the technical program, power supply changeover device is LLC resonant mode power supply changeover device, dual forward power switcher or single forward power switcher.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of existing power supply device;
Fig. 2 is the circuit block diagram of the power supply device of this disclosure the first execution mode;
Fig. 3 is the circuit diagram of the power supply changeover device of this disclosure the first execution mode;
Fig. 4 is the circuit diagram of the power supply changeover device of this disclosure the second execution mode;
Fig. 5 is the circuit diagram of the power supply changeover device of this disclosure the 3rd execution mode;
Fig. 6 is a sequential chart of the power supply device running shown in corresponding diagram 2;
Fig. 7 is another sequential chart of the power supply device running shown in corresponding diagram 2;
Fig. 8 is the circuit block diagram of the power supply device of this disclosure the second execution mode;
Fig. 9 is the circuit block diagram of the power supply device of this disclosure the 3rd execution mode.
Reference numeral
1,2: power supply device 10,20: Electromagnetic interference filter
11,22: rectifier 12: main power source transducer
13: 14: the first controllers of attached power supply changeover device
15: second controller 16,28: power supervisor
220: power factor correction circuit 24: power supply changeover device
240: rectification circuit 242: filter circuit
26: controller 30: switch element
34: the second isolating switches of 32: the first isolating switches
36: the three isolating switches 38: DC-DC power converter
40: standby power transducer ACP: AC power supply
Cr: resonant capacitor C1, C2: filtering capacitor
DR, DR1, DR2: passive switching device D1, D2: rectifier diode
L: filter inductor Lr: resonant inductor
Np: first side winding Ns: secondary side winding
OC1: the first optical isolator OC2: the second optical isolator
OC3: the 3rd optical isolator OC4: the 4th optical isolator
PG: signal output part PS: electronic system
PS-On: signal input part Q1, Q2: switching device
S, S1, S2: initiatively switching device T: transformer
VA: the first power output end VB: second source output
VC: the 3rd power output end Vsb: standby power output
Embodiment
Please refer to the diagram of enclosing, above and extra object, feature and the advantage of this disclosure is by the following illustrative by following all execution modes and non-limitingly describe better and understand in detail.
Coordinating with reference to Fig. 2, is the circuit block diagram of the power supply device of this disclosure the first execution mode.Power supply device 2 is electrically connected on an AC power supply ACP and an electronic system PS, and power supply device 2 receives the alternating electromotive force of AC power supply ACP output, and alternating electromotive force is carried out being passed to electronic system PS after electric energy conversion.
Power supply changeover device 24 is electrically connected on rectifier 22 and controller 26, and has a standby power output Vsb, one first power output end VA and a second source output VB.Power supply changeover device 24 receives the direct current power that rectifier 22 is exported, and accepts that controller 26 is controlled and the magnitude of voltage that changes the electric power of standby power output Vsb, the first power output end VA and second source output VB output.
Be noted that at this: power supply changeover device 24 for example (but not limiting) is DC-DC converter (DC to DC converter), and can be for example LLC resonant mode power supply changeover device (as shown in Figure 3), dual forward power switcher (Dual Forward Converter) (as shown in Figure 4) or single forward power switcher (Single Forward Converter) (as shown in Figure 5).
Coordinating with reference to Fig. 3, is the circuit diagram of the power supply changeover device of this disclosure the first execution mode.Power supply changeover device 24 shown in Fig. 3 is LLC resonant converter, and power supply changeover device 24 comprises two switching device Q1 and Q2, a resonant inductor Lr, a resonant capacitor Cr, a transformer T, a rectification circuit 240 and a filter circuit 242.
Switching device Q1, Q2 are electrically connected on respectively rectifier 22 and controller 26, the direct current power of exporting in order to receive rectifier 22, and the signal providing according to controller 26 to be to switch on conducting state or cut-off state, and output ripple direct current signal.In the present embodiment, switching device Q1, Q2 are mos field effect transistor (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET), the grid of switching device Q1, Q2 is electrically connected on respectively controller 26, between the drain electrode of switching device Q1, Q2 and source electrode, be connected with respectively a diode D, diode D can be also the parasitic diode of switching device Q1, Q2.
Resonant inductor Lr is electrically connected on switching device Q1, Q2.In present embodiment, resonant inductor Lr is connected between the source electrode of switching device Q1 and the drain electrode of switching device Q2, with switching device Q1, Q2 alternate conduction and cut-off time receive pulsating direct current signal.Resonant capacitor Cr is electrically connected on the first side winding Np of resonant inductor Lr and voltage device T, and resonant capacitor Cr, except the DC component in order to intercept pulsating direct current signal, and forms resonant circuit with the magnetizing inductance of resonant inductor Lr and first side winding Np.In present embodiment, tapped transformer centered by transformer T.
Coordinating with reference to Fig. 4, is the circuit diagram of the power supply changeover device of this disclosure the second execution mode.Power supply changeover device 24 shown in Fig. 4 is dual forward power switcher, power supply changeover device 24 comprises two initiatively switching device S1 and S2, two passive switching device DR1 and DR2, a rectification circuit 240, a filter circuit 242 and transformer T, and transformer T comprises a first side winding Np and a secondary side winding Ns.
Initiatively switching device S1 and S2 are electrically connected on respectively rectifier 22 and controller 26, the direct current power of exporting in order to receive rectifier 22, and the signal providing according to controller 26 to be to switch on conducting state or cut-off state, and output ripple direct current signal.In the present embodiment, initiatively switching device S1 and S2 are mos field effect transistor, initiatively the grid of switching device S1 and S2 is electrically connected on respectively controller 26, initiatively between the drain electrode of switching device S1 and S2 and source electrode, be connected with respectively a diode D, diode D can be also the parasitic diode of each active switching device S1, S2.
Passive switching device DR1 is connected across initiatively switching device S1 and first side winding Np, and passive switching device DR2 is connected across initiatively switching device S2 and first side winding Np.In the present embodiment, passive switching device DR1 and DR2 are respectively diode.
Coordinating with reference to Fig. 5, is the circuit diagram of the power supply changeover device of this disclosure the 3rd execution mode.Power supply changeover device 24 shown in Fig. 5 is single forward power switcher, and power supply changeover device 24 comprises an active switching device S, a passive switching device DR, a capacitor C, a resistor R, a transformer T, a rectification circuit 240 and a filter circuit 242.
Initiatively switching device S is electrically connected on rectifier 22 and controller 26, the direct current power of exporting in order to receive rectifier 22, and the signal providing according to controller 26 to be to switch on conducting state or cut-off state, and output ripple direct current signal.In the present embodiment, initiatively switching device S is mos field effect transistor, and initiatively the grid of switching device S is electrically connected on controller 26.Initiatively between the drain electrode of switching device S and source electrode, be connected with a diode D, diode D can be also the parasitic diode of active switching device S.Passive switching device DR and capacitor C are connected in series, and are connected across the first side winding Np of transformer T, and resistor R and capacitor C are connected in parallel.In present embodiment, passive switching device DR is diode.
Referring again to Fig. 2, power supply device 2 also comprises one first isolating switch 32, one second isolating switch 34 and one the 3rd isolating switch 36.The first isolating switch 32, the second isolating switch 34 and the 3rd isolating switch 36 for example (but not limiting) are optical coupler.
One end (signal transmitting terminal) of the first isolating switch 32 is electrically connected on standby power output Vsb and second source output VB, the other end (signal receiving end) of the first isolating switch 32 is electrically connected on controller 26, electric power in order to detecting by standby power output Vsb and second source output VB output, and the signal of the aforementioned output power of correspondence is passed to this controller 26 isolator.
The other end (signal receiving end) that one end (signal transmitting terminal) of the second isolating switch 34 is electrically connected on power supervisor 28, the second isolating switches 34 is electrically connected on controller 26.When electronic system PS or power supply device 2 operate in that operating voltage is too high, operating current is too high or short-circuit condition under; the guard signal about overvoltage, overcurrent or short circuit that power supervisor 28 sends is passed to controller 26 by the second isolating switch 34, and controller 26 can order about power supply changeover device 24 and stop electric energy conversion.
The other end (signal receiving end) that one end (signal transmitting terminal) of the 3rd isolating switch 36 is electrically connected on controller 26, the three isolating switches 36 is electrically connected on power supervisor 28.Power supervisor 28 receives by controller 26 by the 3rd isolating switch 36 that the electric power after power supply changeover device 24 electric energy conversions is normal sends a control signal when errorless, and normal via the power initiation of signal output part PG notice electronic system PS power supply device 2.
Coordinating with reference to Fig. 6, is a sequential chart of the power supply device running shown in corresponding diagram 2.In the time of the first state, the time is t1 to t7, and in this section, AC power supply ACP starts (being that AC_On is high potential), and electronic system PS starts (being that PS_On is electronegative potential).Switch element 30 is closed, and the electric power of standby power output Vsb, the first power output end VA of power supply device 2 and second source output VB output all transmits electronic system PS.
In the time of the second state, the time is t7 to t9, and AC power supply ACP starts (being that AC_On is high potential), and electronic system PS does not start (being that PS_On is high potential).Switch element 30 is opened, the electric power of the standby power output Vsb output of power supply device 2 can be passed to electronic system PS, and the electric power of the first power output end VA and second source output VB output cannot be passed to electronic installation PS because switch element 30 is unlocked.
In the time of the third state, the time is t9 to t11, and AC power supply ACP starts (being that AC_On is high potential), and electronic system PS is by not starting and transfer startup (being that PS_On transfers electronegative potential to by high potential) to.Switch element 30 is closed, and standby power output Vsb, the first power output end VA of power supply device 2 and second source output VB while output power are to electronic system PS.
In the time of the 4th state, AC power supply ACP does not start (being that AC_On is electronegative potential) after t11 the time, and electronic system ES starts (PS_On is electronegative potential).When the voltage of exporting at power supply changeover device 24 is less than the first predetermined value (time is t11 to t12), the signal output part PG of power supply device 2 sends signal and gives electronic system PS, is less than the first predetermined value with the electric power of notifying electronic system PS power supply device 2 to export.When voltage after power supply changeover device 24 outputs is less than the second predetermined value (time is t12 to t13), switch element 30 is opened, and the electric power of the first power output end VA and second source output VB output cannot be passed to electronic system PS.When the voltage of exporting at power supply changeover device 24 is less than the 3rd predetermined value, stop standby power output Vsb output power to electronic system PS.
Coordinating with reference to Fig. 7, is another sequential chart of the power supply device running shown in corresponding diagram 2.In the time of the first state, the time is t1 to t2, and AC power supply ACP starts (being that AC_On is high potential), and electronic system PS starts (PS_On is electronegative potential).When the electric power of exporting at power supply changeover device 24 is greater than a predetermined value, standby power output Vsb output power is to electronic installation PS.
In the time of the second state, the time is t2 to t3, and AC power supply ACP starts (being that AC_On is high potential), and electronic system PS does not start (being that PS_On is high potential).Switch element 30 is opened, the standby power output Vsb output power of power supply device 2 is to electronic system, and the electric power system of the first power output end VA and second source output VB output cannot be passed to electronic installation PS because switch element 30 is unlocked, meaning is that power supply device 2 enters holding state.
The operation of time t3 to t5 shown in Fig. 7 is same as the time t9 to t11 shown in Fig. 6, and the operation of the time t5 to t8 shown in Fig. 7 is same as the time t11 to t14 shown in Fig. 6, and at this, it will not go into details.
Comprehensive the above, the power supply device 2 of this disclosure has reduced attached power supply changeover device compared with the power supply device of prior art 1, thus, not only can effectively dwindle the volume of power supply device 2, and can reduce energy resource consumption, can reach the feature of standby low-power consumption simultaneously.
Coordinating with reference to Fig. 8, is the circuit block diagram of the power supply device of this disclosure the second embodiment.The power supply device 2 of the power supply device 2A shown in Fig. 8 and the first execution mode is similar, and identical element marking is with identical symbol.Difference that it should be noted that both is: the power supply device 2A shown in Fig. 8 also comprises a DC-to-DC converter 38, and power supply changeover device 24 only comprises one first power output end VA.
DC-to-DC converter 38 is electrically connected on the first power output end VA and the power supervisor 28 of power supply changeover device 24, and DC-to-DC converter 38 has a second source output VB, one the 3rd power output end VC and a standby power output Vsb.DC-to-DC converter 38 receives the direct current power of power supply changeover device 24 by the first power output end VA output, and direct current power is carried out being exported by second source output VB, the 3rd power output end VC and standby power output Vsb after electric energy conversion.Switch element 30 is electrically connected on the first power output end VA, second source output VB and the 3rd power output end VC, and switch element 30 receives switch controlling signal that power supervisor 28 sends with conducting or cuts off the power supply of being exported and be passed to electronic system PS by the first power output end VA, second source output VB and the 3rd power output end VC.Standby power output Vsb is electrically connected on electronic system PS.
Secondly, the first isolated component 32 is electrically connected on the first power output end VA, with by the power delivery of the first power output end VA output to controller 26.The function of each element of power supply device 2A and related description, in fact identical with the power supply device 2 of the first execution mode, do not repeat them here.Power supply device 2A at least can reach the function identical with power supply device 2.
Coordinating with reference to Fig. 9, is the circuit block diagram of the power supply device of this disclosure the 3rd embodiment.The power supply device 2 of the power supply device 2B shown in Fig. 9 and the first execution mode is similar, and identical element marking is with identical symbol.Difference that it should be noted that both is: the power supply device 2B shown in Fig. 9 also comprises a DC-to-DC converter 38 and a standby power transducer 40, and power supply changeover device 24 comprises one first power output end VA and a standby power output Vsb.
DC-to-DC converter 38 is electrically connected on the first power output end VA and the power supervisor 28 of power supply changeover device 24, and DC-to-DC converter 38 has a second source output VB and one the 3rd power output end VC.DC-to-DC converter 38 receives the direct current power of power supply changeover device 24 by the first power output end VA output, and direct current power is carried out being exported by second source output VB and the 3rd power output end VC after electric energy conversion.Switch element 30 is electrically connected on the first power output end VA, second source output VB and the 3rd power output end VC, and switch element 30 receives switch controlling signal that power supervisor 28 sends with conducting or cuts off the power supply of being exported and be passed to electronic system PS by the first power output end VA, second source output VB and the 3rd power output end VC.
But the foregoing is only the preferred embodiments of this disclosure; when not limiting the scope of the utility model enforcement; be all equalization variation and modifications etc. of doing according to the utility model claims, all should still belong to the category of patent covering scope intention of the present utility model protection.
Claims (14)
1. a power supply device, it is characterized in that, be electrically connected on an AC power supply and an electronic system, this power supply device receives the alternating electromotive force of this AC power supply output, and alternating electromotive force is carried out exporting this electronic system to after electric energy conversion, this power supply device comprises:
One rectifier;
One power supply changeover device, is electrically connected on this rectifier, and this power supply changeover device comprises one first power output end and a standby power output, and standby power output is electrically connected on electronic system;
One controller, is electrically connected on this power supply changeover device;
One power supervisor, is electrically connected on this controller and this electronic system; And
One switch element, is electrically connected on this first power output end, this power supervisor and this electronic system, the electric power that this switch element is exported by this first power output end with conducting or cut-out according to the control of this power supervisor.
2. power supply device according to claim 1, it is characterized in that, power supply changeover device also comprises a second source output, be electrically connected on this switch element, this switch element is exported and is passed to the electric power of electronic system by this first power output end and this second source output with conducting or cut-out according to the control of this power supervisor.
3. power supply device according to claim 2, it is characterized in that, also comprise one first isolating switch, be electrically connected on this second source output, this standby power output and this controller, the electric power of this second source output, this standby power output output is passed to this controller by this first isolating switch.
4. power supply device according to claim 1, is characterized in that, also comprises:
One standby power transducer, is electrically connected on this standby power output; And
One DC-DC power converter, be electrically connected on this first power output end, this DC-DC power converter comprises a second source output and one the 3rd power output end, this second source output and the 3rd power output end are electrically connected on this switch element, this switch element according to the control of this power supervisor with conducting or switch the electric power of this first power output end, this second source output and the output of the 3rd power output end.
5. power supply device according to claim 4, it is characterized in that, also comprise one first isolating switch, be electrically connected on this first power output end and this controller, the electric power of this first power output end output is passed to this controller by this first isolating switch.
6. according to the power supply device described in claim 3 or 5, it is characterized in that, also comprise:
One second isolating switch, is electrically connected on this power supervisor and this controller, and the guard signal that this second isolating switch sends this power supervisor is passed to this controller; And
One the 3rd isolating switch, is electrically connected on this power supervisor and this controller, and the control signal that the 3rd isolating switch sends this controller is passed to this power supervisor.
7. power supply device according to claim 6, is characterized in that, also comprises an Electromagnetic interference filter, is electrically connected on this AC power supply and this rectifier.
8. power supply device according to claim 7, is characterized in that, this power supply changeover device is DC-DC power converter.
9. power supply device according to claim 8, is characterized in that, this power supply changeover device is LLC resonant mode power supply changeover device, dual forward power switcher or single forward power switcher.
10. a power supply device, it is characterized in that, be electrically connected on an AC power supply and an electronic system, this power supply device receives the alternating electromotive force of this AC power supply output, and alternating electromotive force is carried out exporting this electronic system to after electric energy conversion, this power supply device comprises:
One rectifier;
One power supply changeover device, is electrically connected on this rectifier, and this power supply changeover device comprises one first power output end;
One DC-to-DC converter, is electrically connected on this first power output end, and the output of this DC-to-DC converter comprises a second source output, one the 3rd power output end and a standby power output, and this standby power output is electrically connected on electronic system;
One controller, is electrically connected on this power supply changeover device;
One power supervisor, is electrically connected on this controller, this DC-to-DC converter and this electronic system; And
One switch element, be electrically connected on this first power output end, this second source output, the 3rd power output end, this power supervisor and this electronic system, this switch element is exported and is passed to the electric power of electronic system by this first power output end, this second source output and the 3rd power output end with conducting or cut-out according to the control of this power supervisor.
11. power supply devices according to claim 10, is characterized in that, also comprise:
One first isolating switch, is electrically connected on this first power output end and this controller, and the electric power of this first power output end output is passed to this controller by this first isolating switch;
One second isolating switch, is electrically connected on this power supervisor and this controller, and the guard signal that this second isolating switch sends this power supervisor is passed to this controller; And
One the 3rd isolating switch, is electrically connected on this power supervisor and this controller, and the control signal that the 3rd isolating switch sends this controller is passed to this power supervisor.
12. power supply devices according to claim 11, is characterized in that, also comprise an Electromagnetic interference filter, are electrically connected on this AC power supply and this rectifier.
13. power supply devices according to claim 12, is characterized in that, this power supply changeover device is DC-DC power converter.
14. power supply devices according to claim 13, is characterized in that, this power supply changeover device is LLC resonant mode power supply changeover device, dual forward power switcher or single forward power switcher.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102209860 | 2013-05-27 | ||
| TW102209860U TWM463466U (en) | 2013-05-27 | 2013-05-27 | Power supplying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203608098U true CN203608098U (en) | 2014-05-21 |
Family
ID=49772585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615437.7U Expired - Lifetime CN203608098U (en) | 2013-05-27 | 2013-09-30 | Power supply device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203608098U (en) |
| TW (1) | TWM463466U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953804A (en) * | 2014-03-27 | 2015-09-30 | 群光电能科技股份有限公司 | Power supply device having overvoltage protection function |
| TWI533580B (en) | 2014-10-17 | 2016-05-11 | 瑞昱半導體股份有限公司 | Control chip and system thereof for power saving |
| US10171074B2 (en) | 2015-10-01 | 2019-01-01 | Chicony Power Technology Co., Ltd. | Electronic system |
| TWI601369B (en) * | 2016-06-16 | 2017-10-01 | 群光電能科技股份有限公司 | Adapter with low standby loss and electronic system with low standby loss |
| US9735692B1 (en) | 2016-08-01 | 2017-08-15 | Chicony Power Technology Co., Ltd. | Adapter with low standby loss and electronic system with low standby loss |
-
2013
- 2013-05-27 TW TW102209860U patent/TWM463466U/en unknown
- 2013-09-30 CN CN201320615437.7U patent/CN203608098U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| TWM463466U (en) | 2013-10-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
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| CX01 | Expiry of patent term |