CN101557159A - Power supply conversion circuit for reducing power supply consumption and electronic device suitable for same - Google Patents
Power supply conversion circuit for reducing power supply consumption and electronic device suitable for same Download PDFInfo
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- CN101557159A CN101557159A CNA2008100916370A CN200810091637A CN101557159A CN 101557159 A CN101557159 A CN 101557159A CN A2008100916370 A CNA2008100916370 A CN A2008100916370A CN 200810091637 A CN200810091637 A CN 200810091637A CN 101557159 A CN101557159 A CN 101557159A
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Abstract
The invention relates to a power supply conversion circuit for reducing power supply consumption and an electronic device suitable for the same. The power supply conversion circuit receives a first power supply signal, converts the first power supply signal into a second power supply signal needed by a load and comprises a drive circuit, a start circuit, a converter and an auxiliary power supply, and the start circuit is used for receiving the first power supply signal; the converter is connected to the start circuit and is used for converting the first power supply signal into the second power supply signal; and the auxiliary power supply is connected to the start circuit and the drive circuit. When the load is connected to the power supply conversion circuit, the drive circuit drives the auxiliary power supply to generate a first control signal for the start circuit, leading the start circuit to start the converter and converting the first control signal to the second power supply signal to be transmitted to the load; and when the load is not connected to the power supply conversion circuit, the drive circuit drives the auxiliary power supply to generate a second control signal for the start circuit, leading the start circuit to drive the converter to be out of operation. The power supply conversion circuit can save unnecessary power consumption of a power supply.
Description
Technical field
The present invention relates to a kind of power-switching circuit, relate in particular to a kind of in order to power-switching circuit that reduces the loss of power and the electronic installation that is suitable for thereof.
Background technology
Power-supply adapter (adapter) is equipped with for the electronics that often uses in the daily life, major function is to utilize inner AC/DC converter to offer load again with the commercial power rectification and after converting direct current to use, and for example notebook or charger for mobile phone use.
See also Fig. 1, it is the structural representation of known power source adapter to electric.As shown in the figure, one end of known power source adapter 10 can pass through ac plug (not shown) and be connected with civil power 11, the other end then can pass through connector (not shown) and be connected with load 12, and the inside of this power-supply adapter 10 includes AC/DC converter 101, in order to when power-supply adapter 10 is connected to civil power 11 and load 12 respectively, receives the alternating current that civil power 11 is provided, and convert its rectification to direct current, and export load 12 to, for its use.
Though known power source adapter 10 can utilize AC/DC converter 101 to offer load 12 with AC rectification and after converting direct current to really and use, yet when load 12 is a portable electron device, notebook for example, and the user desires to carry when going out, general for convenience and save time usually only can be with the connector disengaging of 10 of load 12 and power-supply adapters, so that being carried, load 12 go to it to locate, yet this moment, power-supply adapter 10 but still was connected with civil power 11, therefore civil power 11 will continue to provide alternating current to power-supply adapter 10, thus, can cause unnecessary power loss because of the line impedance between civil power 11 and the power-supply adapter 10 or because of power-supply adapter 10 still converts the alternating current that is received to direct current, add present electronic installation all toward energy-conservation, the direction that reduces consume and lifting performance develops, and will make that known power source adapter 10 can't realistic demand.
Therefore, how to develop a kind of known technology disappearance and can be in order to power-switching circuit that reduces the loss of power and the electronic installation that is suitable for thereof improved, real is the problem that presses for solution at present.
Summary of the invention
It is a kind of in order to power-switching circuit that reduces the loss of power and the electronic installation that is suitable for thereof that main purpose of the present invention is to provide, solve the known power source adapter in an end when other end is not connected with load with city's electrical connection, because of the line impedance between civil power and the power-supply adapter or because of power-supply adapter still converts the alternating current that is received to galvanic problem, and cause the disappearance of unnecessary power loss.
For reaching above-mentioned purpose, of the present invention one than the broad sense execution mode for a kind of power-switching circuit is provided, it receives first power supply signal, and in order to first power supply signal is converted to the required second source signal of load, power-switching circuit comprises at least: drive circuit; Start-up circuit is in order to receive first power supply signal; Transducer is electrically connected on start-up circuit, in order to convert first power supply signal to the second source signal; And accessory power supply, be electrically connected on start-up circuit and drive circuit; Wherein, when load is connected with power-switching circuit, drive circuit will drive accessory power supply generation first and control signal to start-up circuit, make start-up circuit start transducer, make first power supply signal convert the second source signal to and be sent to load, and when load is not connected with power-switching circuit, drive circuit will drive accessory power supply and produce second and control signal to start-up circuit, make start-up circuit drive transducer and do not move, reduce the consume of first power supply signal.
According to power-switching circuit of the present invention, wherein said first power supply signal is an AC signal, and described second source signal is a direct current signal, and described load is a notebook.
According to power-switching circuit of the present invention, wherein said accessory power supply is a battery.
According to power-switching circuit of the present invention, wherein said drive circuit is a testing circuit, it is electrically connected with described transducer, in order to detect described load and described transducer connection status, drives described accessory power supply and produces described first control signal or described second control signal.
According to power-switching circuit of the present invention, wherein said drive circuit is the mechanical type diverter switch, produces described first control signal or described second control signal by switching described mechanical type diverter switch to drive described accessory power supply.
According to power-switching circuit of the present invention, wherein said start-up circuit comprises diverter switch and actuation control circuit, described actuation control circuit is electrically connected on described diverter switch and described accessory power supply, in order to receive described first control signal or described second control signal that described accessory power supply produces, control described diverter switch running.
According to power-switching circuit of the present invention, wherein said transducer is an AC/DC converter.
Of the present invention another than the broad sense execution mode for a kind of electronic installation is provided, in order to receive first power supply signal, electronic installation comprises at least: the System Operation module; Power-switching circuit is electrically connected on the System Operation module, and in order to first power supply signal is converted to the needed second source signal of System Operation module, power-switching circuit comprises at least: drive circuit; Start-up circuit is in order to receive first power supply signal; Transducer is electrically connected on start-up circuit and System Operation module, in order to convert first power supply signal to the second source signal; And accessory power supply, be electrically connected on start-up circuit and drive circuit; Wherein, when the System Operation module operates, drive circuit will drive accessory power supply generation first and control signal to start-up circuit, make start-up circuit start transducer, make first power supply signal convert the second source signal to and be sent to the System Operation module, and do not operate when system module, drive circuit will drive accessory power supply generation second and control signal to start-up circuit, make start-up circuit drive transducer and do not move, reduce the consume of first power supply signal.
According to electronic installation of the present invention, wherein said System Operation module comprises running control circuit and driver element, and described running control circuit responds the triggering of described driver element and controls described System Operation module and operate.
According to electronic installation of the present invention, wherein said drive circuit is a testing circuit, in order to detect the operating state of described System Operation module, drive described accessory power supply and produce described first control signal or described second control signal, and wherein said testing circuit is electrically connected with described transducer and described System Operation module, or described testing circuit is electrically connected with the described running control circuit of described System Operation module.
Of the present invention another than the broad sense execution mode for a kind of power-switching circuit is provided, it receives first power supply signal, in order to first power supply signal is converted to the required second source signal of load, power-switching circuit comprises at least: drive circuit; Start-up circuit is in order to receive first power supply signal; Transducer is electrically connected on start-up circuit, in order to convert first power supply signal to the second source signal; And accessory power supply, be electrically connected on start-up circuit and drive circuit; Wherein, when load is connected with power-switching circuit, drive circuit will drive accessory power supply generation first and control signal to start-up circuit, make start-up circuit that first power supply signal is sent to transducer, make first power supply signal convert the second source signal to and be sent to load, and when load is not connected with power-switching circuit, drive circuit will drive accessory power supply and produce second and control signal to start-up circuit, make between start-up circuit and transducer and open circuit, reduce the consume of first power supply signal.
Of the present invention again one than the broad sense execution mode for a kind of electronic installation is provided, in order to receive first power supply signal, electronic installation comprises at least: the System Operation module; Power-switching circuit is electrically connected on the System Operation module, and in order to first power supply signal is converted to the required second source signal of System Operation module, power-switching circuit comprises at least: drive circuit; Start-up circuit is in order to receive first power supply signal; Transducer is electrically connected on start-up circuit and System Operation module, in order to convert first power supply signal to the second source signal; And accessory power supply, be electrically connected on start-up circuit and drive circuit; Wherein, when the System Operation module operates, drive circuit will drive accessory power supply generation first and control signal to start-up circuit, make start-up circuit that first power supply signal is sent to transducer, make first power supply signal convert the second source signal to and be sent to the System Operation module, and do not operate when system module, drive circuit will drive accessory power supply generation second and control signal to start-up circuit, make between start-up circuit and transducer and open circuit, reduce the consume of first power supply signal.
Description of drawings
Fig. 1 is the structural representation of known power source adapter to electric.
Fig. 2 is the circuit box schematic diagram in order to the power-switching circuit that reduces the loss of power of the present invention's first preferred embodiment.
Fig. 3 is the circuit box schematic diagram of the power-switching circuit of the present invention's second preferred embodiment.
Fig. 4 is the circuit box schematic diagram of the electronic installation of the present invention's the 3rd preferred embodiment.
Fig. 5 is the circuit box schematic diagram of the electronic installation of the present invention's the 4th preferred embodiment.
Fig. 6 is the circuit box schematic diagram of the power-switching circuit of the present invention's the 5th preferred embodiment.
Fig. 7 is the circuit box schematic diagram of the power-switching circuit of the present invention's the 6th preferred embodiment.
Fig. 8 is the circuit box schematic diagram of the electronic installation of the present invention's the 7th preferred embodiment.
Fig. 9 is the circuit box schematic diagram of the electronic installation of the present invention's the 8th preferred embodiment.
Wherein, description of reference numerals is as follows:
10: power-supply adapter
101: AC/DC converter
11: civil power
12: load
20,30,60: power-switching circuit
21: power supply
22: load
23,33,63: start-up circuit
231,331,631: diverter switch
232,332,632: the actuation control circuit
24,34,64: transducer
25,65: testing circuit
26,36,66: accessory power supply
35,75: the mechanical type diverter switch
4,5,8,9: electronic installation
41: the System Operation module
411: the running control circuit
412: driver element
Embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different modes, its neither departing from the scope of the present invention, and explanation wherein and diagram, the usefulness that ought explain in itself, but not in order to restriction the present invention.
See also Fig. 2, it is the circuit box schematic diagram in order to the power-switching circuit that reduces the loss of power of the present invention's first preferred embodiment.As shown in Figure 2, power-switching circuit 20 can be applicable to power-supply adapter, but not as limit.The two ends of this power-switching circuit 20 can be electrically connected with power supply 21 and load 22 respectively, mainly in order to receive first power supply signal that power supply 21 is transmitted, and convert this first power supply signal to load 22 required second source signal, use for load 22.Wherein, first power supply signal is an AC signal, and the second source signal then is a direct current signal, and load 22 can be but is not limited to notebook, and power supply 21 can be mains supply.
The power-switching circuit 20 of present embodiment can comprise start-up circuit 23, transducer 24, drive circuit and accessory power supply 26, and wherein drive circuit can be testing circuit 25.Start-up circuit 23 can be electrically connected with transducer 24 and accessory power supply 26, mainly is subjected to the power supply of accessory power supply 26 and control and makes transducer 24 operations, and whether first power supply signal that is provided with decision power supply 21 can convert the second source signal to.In present embodiment, start-up circuit 23 can be made of diverter switch 231 and actuation control circuit 232, this diverter switch 231 can be electrically connected with transducer 24, in order to start transducer 24,232 in actuation control circuit is electrically connected with diverter switch 231 and accessory power supply 26, controls the running of this diverter switch 231 in order to the driving that is subjected to accessory power supply 26.
24 of transducers are electrically connected with diverter switch 231, testing circuit 25 and the load 22 of power supply 21, start-up circuit 23, when the controlled and conducting of diverter switch 231, can start transducer 24, first power supply signal that power supply 21 is provided converts the second source signal to via transducer 24, uses to offer load 22.In some embodiment, transducer 24 can be but is not limited to AC/DC converter (AC/DC converter).
25 of testing circuits are electrically connected with transducer 24, load 22 and accessory power supply 26, whether testing circuit 25 will detect load 22 automatically and be electrically connected with the transducer 24 of power-switching circuit 20, and drive accessory power supply 26 according to testing result and transmit and control signal to start-up circuit 23.
26 of accessory power supplys are connected with start-up circuit 23 and testing circuit 25, produce in order to the triggering of examined circuit 25 and control signal to start-up circuit 23.In present embodiment, accessory power supply 26 can be battery, and can change, but neither as limit.Function and operating principle about the power-switching circuit 20 of first preferred embodiment of the present invention will be described in detail as follows.
At first, when power-switching circuit 20 is connected with power supply 21 and load 22 (as shown in Figure 2), at this moment, it is to be connected that testing circuit 25 detected signals are promptly represented 20 of load 22 and power-switching circuits, and drive accessory power supply 26 in response to the signal that detects gained and produce the first actuation control circuit 232 that controls signal to start-up circuit 23, make 231 conductings of actuation control circuit 232 control its switch, thus, just can make power supply 21 convert first power supply signal to load 22 runnings required second source signal, and be sent to load 22 by transducer 24.
Otherwise, when load 22 and 20 states that are in disconnection of power-switching circuit, be that load 22 is not when being connected with power-switching circuit 20, testing circuit 25 measured signals are promptly represented between power-switching circuit 20 and the load 22 and are not connected, and then 26 generations second of driving accessory power supply control signal to the actuation control circuit 232 of start-up circuit 23, actuation control circuit 232 control its switch 231 are disconnected, first power supply signal that power supply 21 is imported just can't be changed via transducer 24, thus, just can reduce the consume of first power supply signal that power supply 21 provided.Certainly, start-up circuit 23 is not limited to need to be made of diverter switch 231 and actuation control circuit 232, in some embodiment, start-up circuit 23 can only have diverter switch 231, so long as this diverter switch 231 can directly be subjected to the control of first control signal of accessory power supply 26 or second control signal and carry out conducting or disconnection, can demand according to the invention.And in other embodiment, accessory power supply 26 can be rechargeable battery, and is electrically connected with transducer 24 by circuit, makes when transducer 24 provides the second source signal to load 22, can charge to accessory power supply 26 simultaneously.
See also Fig. 3, it is the circuit box schematic diagram of the power-switching circuit of the present invention's second preferred embodiment.As shown in Figure 3, the power-switching circuit 30 of present embodiment is electrically connected with power supply 21 and load 22 equally, in order to receiving first power supply signal that power supply 21 is transmitted, and convert this first power supply signal to load 22 required second source signal, export load 22 again to for its use.This power-switching circuit 30 comprises start-up circuit 33, transducer 34, drive circuit and accessory power supply 36, wherein the function of start-up circuit 33, transducer 34 and accessory power supply 36 and operating principle are all similar with the function and the operating principle of the described start-up circuit 23 of first preferred embodiment, transducer 24 and accessory power supply 26, therefore repeat no more.
This example is that with the discrepancy of first preferred embodiment drive circuit is a mechanical type diverter switch 35, and only is electrically connected with accessory power supply 36.When load 22 is connected with power-switching circuit 30, the user needs manually mechanical type diverter switch 35 to be switched to the state of conducting (ON), and then make mechanical type diverter switch 35 drive the actuation control circuit 332 that accessory power supply 36 generations first control signal to start-up circuit 33, make 331 conductings of actuation control circuit 332 control its switch, so just can make power supply 21 convert first power supply signal to load 22 runnings required second source signal, and be sent to load 22 by transducer 34.
When being in off-state between load 22 and the power-switching circuit 30, be that load 22 is not when being connected with power-switching circuit 30, the user just needs manually mechanical type diverter switch 35 to be switched to the state of disconnection (OFF), and then make mechanical type diverter switch 35 drive the actuation control circuit 332 that accessory power supply 36 generations second control signal to start-up circuit 33, actuation control circuit 332 control its switch 331 are disconnected, first power supply signal that power supply 21 is provided just can't be changed, thus, when load 22 is not connected with power-switching circuit 30, just can reduce the consume of first power supply signal that power supply 21 provided.
See also Fig. 4, it is the circuit box schematic diagram of the electronic installation of the present invention's the 3rd preferred embodiment.As shown in Figure 4, electronic installation 4 is electrically connected with power supply 21, can operate by first power supply signal that reception power supply 21 is provided, and wherein, this electronic installation 4 mainly is made up of power-switching circuit 20 and System Operation module 41.Power-switching circuit 20 is to be electrically connected with power supply 21 and System Operation module 41, be mainly used to first power supply signal that power supply 21 is provided is converted to the second source signal and is sent to System Operation module 41,41 of System Operation modules are by receiving the second source signals that power-switching circuit 20 is transmitted, and required various functions when carrying out electronic installation 4 runnings.In present embodiment, System Operation module 41 can be made of a running control circuit 411 and driver element 412, wherein driver element 412 is to be connected with running control circuit 411 signals, and the user can pass through trigger drive unit 412 and start or close closing electronic device 4.411 of control circuits of running operate in order to control this System Operation module 41 in response to the triggering of this driver element 412.Certainly, the element that System Operation module 41 inside of electronic installation 4 are comprised is not limited to need as mentioned above to be made of running control circuit 411 and driver element 412, can different variation patterns be arranged according to the function of electronic installation 4 reality.
20 of power-switching circuits are made of start-up circuit 23, transducer 24, drive circuit and auxiliary circuit 26, wherein drive circuit is a testing circuit 25, start-up circuit 23 then is made of diverter switch 231 and actuation control circuit 232, wherein the function of the annexation of start-up circuit 23, transducer 24 and auxiliary circuit 26, each element and operating principle have been specified in the first above-mentioned preferred embodiment, repeat no more in this.In the present embodiment, transducer 24 is except with the diverter switch 231 of power supply 21, start-up circuit 23 and testing circuit 25 are electrically connected, more be connected with System Operation module 41, so that transducer 24 is sent to System Operation module 41 after can converting first power supply signal that power supply 21 is provided to the second source signal, use for System Operation module 41.Testing circuit 25 then except with transducer 24 with accessory power supply 26 is electrically connected, more be connected with System Operation module 41, in order to operating state, produce first control signal or second control signals and drive accessory power supply 26 according to System Operation module 41.Function and operating principle about the electronic installation 4 of present embodiment will be described in detail as follows.
At first, when user's desire is used electronic installation 4 and trigger drive unit 412 produces when starting triggering signals, to make running control circuit 41 according to this startup triggering signal and control system operating module 41 operates, this moment, the testing circuit 25 detected signals of power-switching circuit 20 were that representative system operating module 41 is desired to come into operation, testing circuit 25 will drive the actuation control circuit 232 that accessory power supply 26 generations first control signal to start-up circuit 23, make 231 conductings of actuation control circuit 232 control its switch, so just can make power supply 21 convert first power supply signal to System Operation module 41 required second source signal, and be sent to System Operation module 41 by transducer 24.
Otherwise, when user's desire is closed closing electronic device and trigger drive unit 412 produces when closing triggering signal, to make running control circuit 41 close triggering signal according to this and control system operating module 41 decommissions, this moment, the testing circuit 25 detected signals of power-switching circuit 20 were that representative system operating module 41 is desired to decommission, testing circuit 25 will drive the actuation control circuit 232 that accessory power supply 26 generations second control signal to start-up circuit 23, actuation control circuit 232 control its switch 231 are disconnected, first power supply signal that power supply 21 is imported just can't be changed, thus, when electronic installation 4 cuts out, just can reduce the consume of first power supply signal that power supply 21 provided.
In some embodiment, electronic installation 4 can be TV, and the driver element 412 of System Operation module 41 then can be power knob or is used for receiving the signal receiving device of far-end remote control, but neither as limit.
See also Fig. 5, in some embodiment, the testing circuit 25 that power-switching circuit 20 is comprised also can directly be connected with the running control circuit 411 of system module 41 inside, transmit the startup triggering signal or close triggering signal via driver element 412 directly to obtain about user system, be specified among the embodiment shown in Figure 4 as for testing circuit 25 follow-up function modes, repeated no more in this.
See also Fig. 6, it is the circuit box schematic diagram of the power-switching circuit of the present invention's the 5th preferred embodiment.As shown in Figure 6, the power-switching circuit 60 of present embodiment is electrically connected with power supply 21 and load 22 equally, in order to receiving first power supply signal that power supply 21 is transmitted, and convert this first power supply signal to load 22 required second source signal, export load 22 again to for its use.This power-switching circuit 60 comprises start-up circuit 63, transducer 64, drive circuit and accessory power supply 66, wherein drive circuit is a testing circuit 65, and the function of testing circuit 65, accessory power supply 66 and operating principle are all similar with the function and the operating principle of accessory power supply 26 with the described testing circuit 25 of first preferred embodiment, therefore repeat no more.
This example is with the discrepancy of first preferred embodiment, transducer 64 sees through start-up circuit 63 and is electrically connected with power supply 21, and start-up circuit 63 is except with transducer 64 and accessory power supply 66 are electrically connected, more be electrically connected with power supply 21, mainly be subjected to the power supply of accessory power supply 66 and control and make conducting or disconnection between power supply 21 and the transducer 64, whether first power supply signal that is provided with decision power supply 21 can be sent to transducer 64.And the diverter switch 631 of actuation circuit 63 is except with actuation control circuit 632 and transducer 64 are electrically connected, more be electrically connected with power supply 21, conducting or disconnection in order to the driving that is subjected to actuation control circuit 632, therefore when power-switching circuit 60 is connected with power supply 21 and load 22 (as shown in Figure 6), at this moment, on behalf of 60 of load 22 and power-switching circuits, testing circuit 65 detected signals promptly be connected, and drive accessory power supply 66 in response to the signal that detects gained and produce the first actuation control circuit 632 that controls signal to start-up circuit 63, make 631 conductings of actuation control circuit 632 control its switch, thus, just can first power supply signal that power supply 21 is provided be sent to transducer 64 via diverter switch 631, and convert first power supply signal to load 22 running required second source signal, and be sent to load 22 by transducer 64.
Otherwise, when load 22 and 60 states that are in disconnection of power-switching circuit, be that load 22 is not when being connected with power-switching circuit 60, testing circuit 65 measured signals are promptly represented between power-switching circuit 60 and the load 22 and are not connected, and then 66 generations second of driving accessory power supply control signal to the actuation control circuit 632 of start-up circuit 63, actuation control circuit 632 control its switch 631 are disconnected, making between power supply 21 and the transducer 64 can't conducting, first power supply signal that power supply 21 is imported just can't be sent to transducer 64, thus, just can reduce the consume of first power supply signal that power supply 21 provided.
In some embodiment, as shown in Figure 7, drive circuit also can be mechanical type diverter switch 75, and only is electrically connected with accessory power supply 66.When load 22 is connected with power-switching circuit 60, the user needs manually mechanical type diverter switch 75 to be switched to the state of conducting (ON), and then make mechanical type diverter switch 75 drive the actuation control circuit 632 that accessory power supply 66 generations first control signal to start-up circuit 63, make 631 conductings of actuation control circuit 632 control its switch, so just can first power supply signal that power supply 21 is provided be sent to transducer 64 via the diverter switch 631 of start-up circuit 63, and convert first power supply signal to load 22 running required second source signal, and be sent to load 22 by transducer 64.
When being in off-state between load 22 and the power-switching circuit 60, be that load 22 is not when being connected with power-switching circuit 60, the user just needs manually mechanical type diverter switch 75 to be switched to the state of disconnection (OFF), and then make mechanical type diverter switch 75 drive the actuation control circuit 632 that accessory power supply 66 generations second control signal to start-up circuit 63, actuation control circuit 632 control its switch 631 are disconnected, so just can't conducting between start-up circuit 63 and the transducer 64, first power supply signal that power supply 21 is provided can't be sent to transducer 64, thus, when load 22 is not connected with power-switching circuit 60, just can reduce the consume of first power supply signal that power supply 21 provided.
See also Fig. 8, it is the circuit box schematic diagram of the electronic installation of the present invention's the 7th preferred embodiment.As shown in Figure 8, electronic installation 8 is electrically connected with power supply 21 equally, can operate by first power supply signal that reception power supply 21 is provided, and wherein, this electronic installation 8 mainly is made up of power-switching circuit 60 and System Operation module 81.Power-switching circuit 60 is electrically connected with power supply 21 and System Operation module 81, be mainly used to first power supply signal that power supply 21 is provided is converted to the second source signal and is sent to System Operation module 81,81 of System Operation modules are by receiving the second source signals that power-switching circuit 60 is transmitted, and required various functions when carrying out electronic installation 8 runnings.In present embodiment, System Operation module 81 can be made of running control circuit 811 and driver element 812, and all function and the operating principle with described running control circuit 411 of the 3rd preferred embodiment and driver element 412 is similar for the function of running control circuit 811 and driver element 812 and operating principle, repeats no more in this.
60 of power-switching circuits are made of start-up circuit 63, transducer 64, drive circuit and auxiliary circuit 66, wherein drive circuit is a testing circuit 65, start-up circuit 63 then is made of diverter switch 631 and actuation control circuit 632, and the annexation of start-up circuit 63, transducer 64 and auxiliary circuit 66, the function of each element and operating principle also have been specified in the 5th above-mentioned preferred embodiment, repeat no more in this.In the present embodiment, transducer 64 is except with the diverter switch 631 of start-up circuit 63 and testing circuit 65 are electrically connected, more be connected with System Operation module 81, so that transducer 64 is sent to System Operation module 81 after can converting first power supply signal that power supply 21 is provided to the second source signal, use for System Operation module 81.Testing circuit 65 then except with transducer 64 with accessory power supply 66 is electrically connected, more be connected with System Operation module 81, in order to operating state, produce first control signal or second control signals and drive accessory power supply 66 according to System Operation module 81.Function and operating principle about the electronic installation 8 of present embodiment will be described in detail as follows.
At first, when user's desire is used electronic installation 8 and trigger drive unit 812 produces when starting triggering signals, to make running control circuit 81 according to this startup triggering signal and control system operating module 81 operates, this moment, the testing circuit 65 detected signals of power-switching circuit 60 were that representative system operating module 61 is desired to come into operation, testing circuit 65 will drive the actuation control circuit 632 that accessory power supply 66 generations first control signal to start-up circuit 63, make 631 conductings of actuation control circuit 632 control its switch, so just can first power supply signal that power supply 21 is provided be sent to transducer 64 via the diverter switch 631 of start-up circuit 63, transducer 64 converts first power supply signal to the required second source signal of System Operation module 81 again, and is sent to System Operation module 81.
Otherwise, when user's desire is closed closing electronic device and trigger drive unit 812 produces when closing triggering signal, to make running control circuit 81 close triggering signal according to this and control system operating module 81 decommissions, this moment, the testing circuit 65 detected signals of power-switching circuit 60 were that representative system operating module 81 is desired to decommission, testing circuit 65 will drive accessory power supply 66 generations second and control signal to the actuation control circuit 632 that starts electricity 63, actuation control circuit 632 control its switch 631 are disconnected, so just can't conducting between start-up circuit 63 and the transducer 64, first power supply signal that power supply 21 is imported can't be sent to transducer 64, thus, when electronic installation 8 cuts out, just can reduce the consume of first power supply signal that power supply 21 provided.
See also Fig. 9, in some embodiment, the testing circuit 65 that power-switching circuit 60 is comprised also can directly be connected with the running control circuit 811 of system module 81 inside, directly to obtain the startup triggering signal that transmits via driver element 812 about the user or to close triggering signal, be specified among the embodiment shown in Figure 8 as for testing circuit 65 follow-up function modes, repeated no more in this.In sum, power-switching circuit in order to the minimizing loss of power of the present invention can be when power supply be connected with load, disconnect with power supply between be connected, first power supply signal of power supply can't be provided to power-switching circuit, or inner transducer is not moved, to save unnecessary power loss, and use the electronic installation of power-switching circuit of the present invention equally can be when the System Operation module does not operate, make between power-switching circuit and the power supply and to disconnect or the transducer of power-switching circuit can't be moved, saving the unnecessary power loss of power supply, and then make the electronic installation can be toward energy-conservation, the direction that reduces the wastage and improve performance develops.Be to have the value of industry in order to power-switching circuit that reduces the loss of power and the electronic installation that is suitable for thereof, so file an application in accordance with the law with of the present invention.
The present invention must be appointed by those skilled in the art and executes that the craftsman thinks and be to modify right neither taking off as Protector that attached claim is desired as all.
Claims (12)
1, a kind of power-switching circuit, it receives first power supply signal, and in order to described first power supply signal is converted to the required second source signal of load, described power-switching circuit comprises at least:
Drive circuit;
Start-up circuit is in order to receive described first power supply signal;
Transducer is electrically connected on described start-up circuit, in order to convert described first power supply signal to described second source signal; And
Accessory power supply is electrically connected on described start-up circuit and described drive circuit;
Wherein, when described load is connected with described power-switching circuit, described drive circuit will drive described accessory power supply generation first and control signal to described start-up circuit, make described start-up circuit start described transducer, make described first power supply signal convert described second source signal to and be sent to described load, and when described load is not connected with described power-switching circuit, described drive circuit will drive described accessory power supply generation second and control signal to described start-up circuit, make described start-up circuit drive described transducer and do not move, reduce the consume of described first power supply signal.
2, power-switching circuit as claimed in claim 1, wherein said first power supply signal is an AC signal, described second source signal is a direct current signal, and described load is a notebook.
3, power-switching circuit as claimed in claim 1, wherein said accessory power supply are battery.
4, power-switching circuit as claimed in claim 1, wherein said drive circuit is a testing circuit, it is electrically connected with described transducer, in order to detect described load and described transducer connection status, drives described accessory power supply and produces described first control signal or described second control signal.
5, power-switching circuit as claimed in claim 1, wherein said drive circuit are the mechanical type diverter switch, produce described first control signal or described second control signal by switching described mechanical type diverter switch to drive described accessory power supply.
6, power-switching circuit as claimed in claim 1, wherein said start-up circuit comprises diverter switch and actuation control circuit, described actuation control circuit is electrically connected on described diverter switch and described accessory power supply, in order to receive described first control signal or described second control signal that described accessory power supply produces, control described diverter switch running.
7, power-switching circuit as claimed in claim 1, wherein said transducer are AC/DC converter.
8, a kind of electronic installation, in order to receive first power supply signal, described electronic installation comprises at least:
The System Operation module;
Power-switching circuit is electrically connected on described System Operation module, and in order to first power supply signal is converted to the required second source signal of described System Operation module, described power-switching circuit comprises at least:
Drive circuit;
Start-up circuit is in order to receive described first power supply signal;
Transducer is electrically connected on described start-up circuit and described System Operation module, in order to convert described first power supply signal to described second source signal; And
Accessory power supply is electrically connected on described start-up circuit and described drive circuit;
Wherein, when described System Operation module operates, described drive circuit will drive described accessory power supply generation first and control signal to described start-up circuit, make described start-up circuit start described transducer, make described first power supply signal convert described second source signal to and be sent to described System Operation module, and do not operate when described system module, described drive circuit will drive described accessory power supply generation second and control signal to described start-up circuit, make described start-up circuit drive described transducer and do not move, reduce the consume of described first power supply signal.
9, electronic installation as claimed in claim 8, wherein said System Operation module comprise running control circuit and driver element, and described running control circuit responds the triggering of described driver element and controls described System Operation module and operate.
10, electronic installation as claimed in claim 9, wherein said drive circuit are testing circuit, in order to detect the operating state of described System Operation module, drive described accessory power supply and produce described first control signal or described second control signal, and
Wherein said testing circuit is electrically connected with described transducer and described System Operation module, or
Described testing circuit is electrically connected with the described running control circuit of described System Operation module.
11, a kind of power-switching circuit, it receives first power supply signal, and in order to described first power supply signal is converted to the required second source signal of load, described power-switching circuit comprises at least:
Drive circuit;
Start-up circuit is in order to receive described first power supply signal;
Transducer is electrically connected on described start-up circuit, in order to convert described first power supply signal to described second source signal; And
Accessory power supply is electrically connected on described start-up circuit and described drive circuit;
Wherein, when described load is connected with described power-switching circuit, described drive circuit will drive described accessory power supply generation first and control signal to described start-up circuit, make described start-up circuit that described first power supply signal is sent to described transducer, make described first power supply signal convert described second source signal to and be sent to described load, and when described load is not connected with described power-switching circuit, described drive circuit will drive described accessory power supply generation second and control signal to described start-up circuit, make between described start-up circuit and described transducer and open circuit, reduce the consume of described first power supply signal.
12, a kind of electronic installation, in order to receive first power supply signal, described electronic installation comprises at least:
The System Operation module;
Power-switching circuit is electrically connected on described System Operation module, and in order to first power supply signal is converted to the required second source signal of described System Operation module, described power-switching circuit comprises at least:
Drive circuit;
Start-up circuit is in order to receive described first power supply signal;
Transducer is electrically connected on described start-up circuit and described System Operation module, in order to convert described first power supply signal to described second source signal; And
Accessory power supply is electrically connected on described start-up circuit and described drive circuit;
Wherein, when described System Operation module operates, described drive circuit will drive described accessory power supply generation first and control signal to described start-up circuit, make described start-up circuit that described first power supply signal is sent to described transducer, make described first power supply signal convert described second source signal to and be sent to described System Operation module, and do not operate when described system module, described drive circuit will drive described accessory power supply generation second and control signal to described start-up circuit, make between described start-up circuit and described transducer and open circuit, reduce the consume of described first power supply signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100916370A CN101557159B (en) | 2008-04-11 | 2008-04-11 | Power supply conversion circuit for reducing power supply consumption and electronic device suitable for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100916370A CN101557159B (en) | 2008-04-11 | 2008-04-11 | Power supply conversion circuit for reducing power supply consumption and electronic device suitable for same |
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| Publication Number | Publication Date |
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| CN101557159A true CN101557159A (en) | 2009-10-14 |
| CN101557159B CN101557159B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100916370A Active CN101557159B (en) | 2008-04-11 | 2008-04-11 | Power supply conversion circuit for reducing power supply consumption and electronic device suitable for same |
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| Country | Link |
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| CN (1) | CN101557159B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891595A (en) * | 2011-07-21 | 2013-01-23 | 株式会社电装 | Power converter for vehicle |
| CN104104264A (en) * | 2013-04-15 | 2014-10-15 | 通用汽车环球科技运作有限责任公司 | System and method for controlling actuator of active materials |
| CN105846652A (en) * | 2015-01-16 | 2016-08-10 | 台达电子工业股份有限公司 | Power conversion device and control method thereof |
| US9732736B2 (en) | 2013-04-15 | 2017-08-15 | GM Global Technology Operations LLC | System and method for controlling an active material actuator |
| US9882468B2 (en) | 2015-01-16 | 2018-01-30 | Delta Electronics Inc. | Power conversion device and controlling method thereof |
| CN109687599A (en) * | 2018-12-21 | 2019-04-26 | 伏诺瓦(天津)科技有限公司 | Wireless charging Surge Protector monitors terminal |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0167648B1 (en) * | 1995-10-10 | 1999-01-15 | 김광호 | Power supply device |
| KR100234423B1 (en) * | 1995-12-05 | 1999-12-15 | 윤종용 | Apparatus and method for power control for computer peripheral |
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2008
- 2008-04-11 CN CN2008100916370A patent/CN101557159B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891595A (en) * | 2011-07-21 | 2013-01-23 | 株式会社电装 | Power converter for vehicle |
| CN102891595B (en) * | 2011-07-21 | 2015-06-10 | 株式会社电装 | Power converter for vehicle |
| CN104104264A (en) * | 2013-04-15 | 2014-10-15 | 通用汽车环球科技运作有限责任公司 | System and method for controlling actuator of active materials |
| US9732736B2 (en) | 2013-04-15 | 2017-08-15 | GM Global Technology Operations LLC | System and method for controlling an active material actuator |
| CN104104264B (en) * | 2013-04-15 | 2018-02-09 | 通用汽车环球科技运作有限责任公司 | System and method for controlling active material actuator |
| CN105846652A (en) * | 2015-01-16 | 2016-08-10 | 台达电子工业股份有限公司 | Power conversion device and control method thereof |
| US9882468B2 (en) | 2015-01-16 | 2018-01-30 | Delta Electronics Inc. | Power conversion device and controlling method thereof |
| CN105846652B (en) * | 2015-01-16 | 2018-12-11 | 台达电子工业股份有限公司 | Power supply change-over device and its control method |
| CN109980709A (en) * | 2017-12-28 | 2019-07-05 | 台达电子工业股份有限公司 | Have the charge power supply system and its control method of low standby power loss |
| CN109980709B (en) * | 2017-12-28 | 2023-03-24 | 台达电子工业股份有限公司 | Charging power supply system with low standby power consumption and control method thereof |
| CN109687599A (en) * | 2018-12-21 | 2019-04-26 | 伏诺瓦(天津)科技有限公司 | Wireless charging Surge Protector monitors terminal |
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| CN101557159B (en) | 2012-05-30 |
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