CN100458612C - Apparatus for controlling power supply, method and electron system - Google Patents
Apparatus for controlling power supply, method and electron system Download PDFInfo
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- CN100458612C CN100458612C CNB200610144070XA CN200610144070A CN100458612C CN 100458612 C CN100458612 C CN 100458612C CN B200610144070X A CNB200610144070X A CN B200610144070XA CN 200610144070 A CN200610144070 A CN 200610144070A CN 100458612 C CN100458612 C CN 100458612C
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Abstract
This invention relates to one power control device located between device and power supply device, wherein, the device comprises trigger unit and control unit; when the device is at open status, the said trigger unit is to send trigger signal to the main controller; the said control unit is to receive no signal to break off the device and device power; the no signal is received by main controller to the trigger signal for sending. This invention also discloses one power control method and electron system.
Description
Technical field
The present invention relates to the circuit engineering field, relate in particular to a kind of power control, method is an electronic system.
Background technology
Using direct supply particularly to use in the electronic equipment of battery as energy resource supply, the equipment power dissipation during off-mode is very important performance index of this equipment.For example, the electronic equipment of the use battery as MP3 or digital camera, low-power consumption or zero-power have been saved the service time of energy prolongation battery during owing to off-mode, and the performance index of the energy consumption of this electronic equipment are improved greatly.
At present, in order under off-mode, to realize the energy-conservation two kinds of methods that mainly contain.A kind of method is to increase power switch, when equipment shuts down, power switch is thrown in off position, makes power supply fully not to power devices, has reached purpose of energy saving; When equipment uses, power switch is thrown in open mode, make power supply always to power devices.Though such method can make equipment reach zero-power when off-mode, but but increased extra switch, influenced the use of equipment, and must be that the user shuts down on one's own initiative, otherwise equipment will be in power supply state always, can not realize that software shuts down automatically.
Another kind method is to use two power domain on master controller: primary power territory and real-time clock power domain.When equipment work, the circuit of two power domain is all in running order.When the user wishes to shut down, make the primary power territory enter closed condition, and the real-time clock power domain keep duty.When the user wishes to start shooting, trigger of the conversion of real-time clock power domain electric circuit inspection by using outside start key to this button, open the power switch of primary power again.Though this mode has reached the purpose to the intelligence operation of switching on and shutting down, after the shutdown, in running order real-time clock power domain still can consumed energy, does not reach the purpose of zero-power.
Summary of the invention
The invention provides a kind of power control, at equipment with between the device power supply (DPS) of this power devices, described device comprises: trigger element and control module, and when described equipment is in opening,
Described trigger element is used for sending trigger pip to the master controller of described equipment;
Described control module is used for the disconnection that is connected with described equipment and device power supply (DPS) of the disable signal that sends according to the described master controller that receives, and described disable signal sends after receiving described trigger pip by described master controller.
When described equipment is connected disconnection with device power supply (DPS),
Described trigger element also is used to send trigger pip;
Described control module, also be used for described equipment and device power supply (DPS) being connected to activate the master controller of described equipment according to described trigger pip, the master controller that receives this activation is discerned the enable signal that sends after the trigger pip of described trigger element, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected.
Described disable signal receives described trigger pip and this trigger pip duration by described master controller and sends after reaching preset value.
Described enable signal sends after reaching preset value by the described trigger pip duration.
Described master controller comprises microprogram control unit or central processing unit at least.
Described trigger element comprises:
Button be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.
When described equipment was in opening, described button also was used for triggering described master controller and carries out operation of equipment when the duration that is pressed does not reach preset value, described operation of equipment comprise begin the operation or pausing operation.
Described trigger element also comprises resistance, after described button and the series connection of this resistance, intermediate node links to each other with the input end of described master controller and the input end of control module, the other end of resistance links to each other with described device power supply (DPS), the other end ground connection of button, when this button was pressed, the input end potential state of the input end of described master controller and control module was low by hypermutation, and this low level sends as trigger pip.
Described control module comprises:
First switch element is used for after the trigger pip that receives the trigger element transmission to second switch unit transmit button signal;
Described second switch unit is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
Described first switch element comprises the switching device with an above tie point that is operated on off state, is used for after receiving described trigger pip, and the conducting by described switching device and closing as switching signal sends to described second switch unit.
Described switching device comprises metal-oxide-semiconductor or triode, described metal-oxide-semiconductor comprises PMOS pipe and NMOS pipe, when described switching device is the PMOS pipe, the input end of the described master controller of Men Duanyu of this POMS pipe links to each other, drain terminal links to each other with the output terminal of described master controller and passes through resistance eutral grounding, the source end links to each other with described device power supply (DPS), after receiving described trigger pip, this PMOS pipe conducting, the output terminal potential state of described master controller becomes height by low, and this high level sends to the second switch unit as switching signal.
Described second switch unit comprises at least one described switching device, is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
Described switching device comprises metal-oxide-semiconductor or triode, described metal-oxide-semiconductor comprises PMOS pipe and NMOS pipe, when described switch element comprises a NMOS pipe and a PMOS pipe, the output terminal of the described master controller of this NMOS pipe Men Duanyu links to each other, source end ground connection, drain terminal links to each other with described device power supply (DPS) by resistance, and link to each other with this PMOS pipe door end, this PMOS pipe drain terminal links to each other with described equipment, the source end links to each other with described device power supply (DPS), and when receiving described switching signal or enable signal, this NMOS pipe conducting and drain terminal current potential are low by hypermutation, then this PMOS pipe conducting, then with described equipment with on device power supply (DPS) is connected.
The present invention also provides a kind of power control method, is applied in connection device and the power control between the device power supply (DPS) of this power devices, and this device comprises trigger element and control module, and when described equipment was in opening, this method comprised:
After the master controller of described trigger element in described equipment sends trigger pip, the disable signal that the master controller that described control module basis receives sends is with the disconnection that is connected of described equipment and device power supply (DPS), and described disable signal sends after receiving described trigger pip by described master controller.
When being connected of described equipment and device power supply (DPS) disconnects, after described trigger element sends trigger pip, described control module is connected described equipment and device power supply (DPS) to activate the master controller of described equipment according to described trigger pip, the master controller of described activation sends enable signal to described control module after discerning the trigger pip of described trigger element, and described control module continues described equipment and device power supply (DPS) to be connected according to the described enable signal that receives.
Described disable signal receives described trigger pip and this trigger pip duration by described master controller and sends after reaching preset value.
Described enable signal sends after reaching preset value by the described trigger pip duration.
Described master controller comprises microprogram control unit or central processing unit at least.
The present invention also provides a kind of electronic system, and this system comprises equipment, device power supply (DPS) and the power control between equipment and device power supply (DPS), when described equipment is in opening,
Described device power supply (DPS) is used for to described power devices;
Described power control is used for sending trigger pip to the master controller of described equipment, and the disable signal that sends according to the described master controller that receives is with the disconnection that is connected of described equipment and device power supply (DPS);
Described equipment is used for sending the disable signal to described power control after receiving described trigger pip.
Described power control comprises:
Trigger element is used for sending trigger pip to the master controller of described equipment;
Control module is used for the disconnection that is connected with described equipment and device power supply (DPS) of the disable signal that sends according to the described master controller that receives.
When described equipment is connected disconnection with device power supply (DPS),
Described trigger element also is used to send trigger pip;
Described control module, also be used for described equipment and device power supply (DPS) being connected to activate the master controller of described equipment according to described trigger pip, the master controller that receives described activation is discerned the enable signal that sends after the trigger pip of described trigger element, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected.
Described disable signal receives described trigger pip and this trigger pip duration by the master controller in the described equipment and sends after reaching preset value.
Described enable signal sends after reaching preset value by the described trigger pip duration.
Described master controller comprises microprogram control unit or central processing unit at least.
Described trigger element comprises:
Button be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.
When described equipment was in opening, described button also was used for triggering described master controller and carries out operation of equipment when the duration that is pressed does not reach preset value, described operation of equipment comprise begin the operation or pausing operation.
Described control module comprises:
First switch element is used for after the trigger pip that receives the trigger element transmission to second switch unit transmit button signal;
Described second switch unit is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
By apparatus of the present invention, make under the condition that does not increase extra key, can realize the intelligent electric source control of equipment, and the power consumption of this controlled device is zero under off-mode.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation;
Fig. 2 is the embodiment of the invention 1 a steps flow chart synoptic diagram;
Fig. 3 is the embodiment of the invention 1 an apparatus structure synoptic diagram;
Fig. 4 is the embodiment of the invention 2 apparatus structure synoptic diagram;
Fig. 5 is a system architecture synoptic diagram of the present invention.
Embodiment
Below in conjunction with Figure of description the present invention is described in further detail.
As shown in Figure 1, be power control structural representation of the present invention, this installs at equipment with between the device power supply (DPS) of this power devices, and described device comprises trigger element 11 and control module 12.Wherein, when equipment was in opening, trigger element 11 was used for sending trigger pip to the master controller of described equipment; Control module 12 is used for the disconnection that is connected with described equipment and device power supply (DPS) of the disable signal that sends according to the described master controller that receives, and described disable signal sends after receiving described trigger pip by described master controller.
Further, described disable signal can be received described trigger pip and this trigger pip duration by the master controller in the described equipment and sends after reaching preset value.
When being connected of equipment and device power supply (DPS) disconnected, when promptly needing opening of device, described trigger element 11 also was used to send trigger pip; Described control module 12 also is used for according to described trigger pip described equipment and device power supply (DPS) being connected to activate the master controller of described equipment, the master controller that receives this activation is discerned the enable signal that sends after the trigger pip of described trigger element, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected.Further, described enable signal sends after reaching preset value by the described trigger pip duration.Described master controller comprises microprogram control unit MCU or central processor CPU at least.
Realized that by apparatus of the present invention device power supply (DPS) has promptly been realized in the off-mode zero-power, and realized the intellectuality of switching on and shutting down when not increased additional devices not to power devices when the off-mode.
Described trigger element 11 comprises button, be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.Further, be at equipment under the state of unlatching, trigger described master controller and carry out operation of equipment when the duration that this button is pressed does not reach preset value, described operation of equipment comprises play operation or pausing operation.
Described control module 12 comprises first switch element 21 and second switch unit 22.Wherein, first switch element 21 is used for after the trigger pip that receives trigger element 11 transmissions to second switch unit 22 transmit button signals; Second switch unit 22 is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
Describe the inventive method in detail below in conjunction with specific embodiment, the inventive method is applied in connection device and the power control between the device power supply (DPS) of this power devices, this equipment comprises master controller, this master controller can be microprogram control unit MCU or central processor CPU, and setting master controller in the embodiment of the invention 1 and 2 is MCU.As shown in Figure 2, be the embodiment of the invention 1 steps flow chart synoptic diagram, as shown in Figure 3, for the embodiment of the invention 1 apparatus structure synoptic diagram, in Fig. 3, EN_POWER is the output terminal of MCU, and PLAY is the input end of MCU, VCC indication equipment power supply.
Described in the present embodiment button is a composite-key (POWER/PLAY), when equipment is in off-mode, be when disconnecting being connected of equipment and device power supply (DPS), by pressing this composite-key, when reaching preset value, represents the time that this composite-key is continued to press that in the present embodiment the user wishes start as trigger pip; When equipment was in running order, when promptly equipment was connected with device power supply (DPS), if press time that this composite-key continues when reaching the time of setting, the expression user wished shutdown; When equipment was in running order, the time that the time that this button is continued to press does not reach setting, the expression user wished to carry out other operation of this equipment when just being released, and for example began operation or pausing operation etc.
Step 201: when being connected of equipment and device power supply (DPS) disconnects, after trigger element 31 sends trigger pip, control module 32 is connected equipment and device power supply (DPS) to activate the master controller of described equipment according to trigger pip, the master controller of this activation sends enable signal to control module 32 after discerning this trigger pip, and control module 32 continues described equipment and device power supply (DPS) to be connected according to this enable signal.
Trigger element 31 can comprise composite-key, be used for evoked potential state change when being pressed, and the potential state after this change is lasting constant when not being released, and the potential state after will changing sends as trigger pip.In the present embodiment, trigger element 31 comprises composite-key, electric capacity and resistance, this composite-key and electric capacity parallel connection, an and end ground connection after composite-key and the electric capacity parallel connection, the other end links to each other with the input end of described MCU, and the input end of this MCU links to each other with described direct supply by described resistance, when being in off-mode and POWER/PLAY key and also not pressing, A point in the trigger element 31 is a high level, and promptly the input end of MCU is a high level.Certainly, above-mentioned electric capacity is not to exist, and the connected mode of composite-key and resistance also can have other modes.For example, when trigger element 31 comprises resistance and composite-key, after this resistance and the composite-key series connection, intermediate node links to each other with the input end of described master controller and the input end of control module 32, the other end of resistance links to each other with described device power supply (DPS), and the other end ground connection of button is when this composite-key is pressed, the input end potential state of the input end of described master controller and control module 32 is low by hypermutation, and this low level sends as trigger pip.
First switch element 41 in the control module 32 comprises the switching device with an above tie point that is operated on off state, is used for after receiving described trigger pip to second switch unit 42 transmit button signals.This switching device can be metal-oxide-semiconductor or triode, the switching device of setting in the present embodiment in first switch element 41 is the PMOS pipe, the input end of the described master controller of Men Duanyu of this POMS pipe links to each other, drain terminal links to each other with the output terminal of described master controller and passes through resistance eutral grounding, the source end links to each other with described device power supply (DPS), this PMOS pipe Men Duanwei just understands conducting during low level, and this PMOS pipe Q1 does not close when composite-key is also pressed, and then B point current potential equals 0.
Second switch unit 42 in the control module 32 comprises that at least one is operated in the switching device with an above tie point of on off state, is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.This switching device can be metal-oxide-semiconductor or triode, and the switching device of setting in the present embodiment in the second switch unit 42 is a PMOS pipe and a NMOS pipe.The output terminal of the described master controller of this NMOS pipe Men Duanyu links to each other, source end ground connection, drain terminal links to each other with described device power supply (DPS) by resistance, and links to each other with this PMOS pipe door end, this PMOS pipe drain terminal links to each other with described equipment, the source end links to each other with described device power supply (DPS), because Q2 is the NMOS pipe in second switch unit 42, the Men Duanwei high level is just understood conducting, Q2 does not close when composite-key also is pressed, C point potential state is a high level, and then PMOS pipe Q3 closes, and equipment was disconnected with being connected of device power supply (DPS).Because this moment, the device power supply (DPS) resistance to earth was approximately infinitely great, can not produce electric leakage, therefore the power consumption at this equipment of off-mode is 0.
When the POWER/PLAY button is pressed, A point electric weight in the trigger element 31 discharges by the circuit of conducting, potential state is low by hypermutation, and this low level is as first switch element 41 in the trigger pip trigger control unit 32, the then Q1 conducting in first switch element 41.B point potential state is become height and is then informed second switch unit 42 as switching signal, the then Q2 conducting in the second switch unit 42 by low after the Q1 conducting.C point potential state is low by hypermutation after the Q2 conducting, then triggers the Q3 conducting.When the Q3 conducting, equipment has just activated MCU with on device power supply (DPS) is connected.
When device power supply (DPS) with on equipment is connected, be that device power supply (DPS) begins when power devices, after being activated, MCU at first to carry out initialization, potential state after the input end that detects this MCU changes is the trigger pip duration that trigger element 31 sends whether to reach the predefined time, be that the A point continues to keep the state of electronegative potential whether to reach the predefined time among Fig. 3, that is whether the state that the POWER/PLAY composite-key continues to press reach the predefined time.If this POWER/PLAY composite-key does not discharge when reaching, the A dotted state becomes high level again, and then Q1 closes; B point current potential become low level then Q2 close; C point current potential equals to become high level again, and Q3 closes, the then disconnection that is connected of equipment and device power supply (DPS), and equipment does not have normal boot-strap.If when reaching, then MCU remains high level with the potential state of the output terminal of self and sends to second switch unit 42 in the control module 32 as enable signal, and promptly keeping EN_POWER is high level.At this moment, even the POWER/PLAY key discharges, A point current potential becomes high level once more, and Q1 closes, because the output terminal EN_POWER of MCU continues a position high level state at this moment, then Q2 and Q3 will keep conducting state, and equipment can the normal boot-strap operation.
In start process, when POWER/PLAY presses, electric current I 1=VCC/20K, I2=VCC/40K, I3=VCC/20K.When after the time that the POWER/PLAY key continues to press reaches the predefined time, discharging, the I1 path disconnects, but because EN_POWER keeps high level, and Q2 and Q3 will continuous and effective, I2 and I3 will exist, and therefore can control the power consumption of this part by regulating resistance.
Step 202: when described equipment is in opening, after the master controller of described trigger element 31 in described equipment sends trigger pip, the disable signal that the master controller that described control module basis receives sends is with the disconnection that is connected of described equipment and device power supply (DPS), and described disable signal sends after receiving described trigger pip by described master controller.
In the present invention, when trigger element 31 after MCU sends trigger pip, MCU sends the disable signal to control module 32, further can set when trigger element 31 when the trigger pip duration that MCU sends reaches predefined time value, MCU sends the disable signals to control module 32 again.In the present embodiment, when trigger element 31 reached predefined time value to the trigger pip duration that MCU sends, MCU sent the disable signal to control module 32 again.
When equipment is in opening, the input end state of real time scan MCU whether to change, promptly whether this composite-key of real time scan is pressed.If the POWER/PLAY key is pressed, the A point current potential of the input end of MCU is low by hypermutation, this low level sends to MCU as trigger pip, begin after MCU receives to judge the A point keeps low level state whether to reach the predefined time, promptly whether this composite-key time of being continued to press reaches and preestablishes time value.If this POWER/PLAY composite-key does not discharge when reaching, then explanation is not a shut down event, but carry out operation of equipment, then trigger described master controller and carry out operation of equipment, described operation of equipment comprises and begins operation or pausing operation etc. that this moment, MCU did not send the disable signals in the second switch unit in control module 32 42.If reach, then explanation is to wish to shut down, then this MCU sends the disable signal to this second switch unit 42, the output terminal B point potential state of this MCU is changed, be that the EN_POWER end is made as low level, when the POWER/PLAY key is released, Q1 closed when promptly A point current potential was high level, and B point electric weight discharges by resistance R 4 and makes Q2 close; C point potential state becomes high level, and Q3 is closed, and equipment and being connected of device power supply (DPS) are disconnected, and have realized shutdown, and this moment, shutdown back equipment power dissipation was 0.
In the present invention, the design of circuit is a kind of mode shown in Fig. 3 not only, and wherein, PMOS pipe and NMOS pipe also can be replaced by other components and parts, and each components and parts are not fixed yet.The embodiment of the invention 2 is that example illustrates working method of the present invention with the triode, as shown in Figure 4, is apparatus structure synoptic diagram in the embodiment of the invention 2.
When the combination switch in the trigger element 51 is pressed, the current potential of the input end of MCU is low by hypermutation, this low level is the P level triode conducting in first switch element 61 in the trigger control unit 52 then, make the current potential of the output terminal of MCU become height by hanging down, this high level is the N level triode conducting in the second switch unit 62 in the trigger control unit 52 again then, further make the P level triode conducting of back, then make equipment with on device power supply (DPS) is connected, this device power supply (DPS) is to power devices.
By the inventive method, under the situation that does not increase extra key, realized the intelligent open and close machine of equipment, and guaranteed that equipment power dissipation is zero when off-mode.
As shown in Figure 5, the present invention also provides a kind of electronic system, and this system comprises equipment, device power supply (DPS) and the power control between equipment and device power supply (DPS), and when described equipment was in opening, device power supply (DPS) was used for to described power devices; Power control is used for sending trigger pip to the master controller of described equipment, and the disable signal that sends according to the described master controller that receives is with the disconnection that is connected of described equipment and device power supply (DPS); Equipment is used for sending the disable signal to described power control after receiving described trigger pip.
When described equipment was in opening, described power control comprised trigger element 71 and control module 72.Wherein, trigger element 71 is used for sending trigger pip to the master controller of described equipment; Control module 72 is used for the disconnection that is connected with described equipment and device power supply (DPS) of the disable signal that sends according to the described master controller that receives.
When being connected of described equipment and device power supply (DPS) disconnected, described trigger element 71 also was used to send trigger pip; Described control module 72 also is used for according to described trigger pip described equipment and device power supply (DPS) being connected to activate the master controller of described equipment, the master controller that receives described activation is discerned after the trigger pip of described trigger element to the enable signal that sends, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected.
Described disable signal receives described trigger pip and this trigger pip duration by the master controller in the described equipment and sends after reaching preset value.Described enable signal is discerned described trigger pip and this trigger pip duration by the described master controller that is activated and is sent after reaching preset value.Described master controller comprises microprogram control unit or central processing unit at least.
Described trigger element 71 comprises button, be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.When described equipment was in opening, described button also was used for triggering described master controller and carries out operation of equipment when the duration that is pressed does not reach preset value, described operation of equipment comprise begin the operation or pausing operation.
Described control module 72 comprises first switch element 81 and second switch unit 82.Wherein, first switch element 81 is used for after the trigger pip that receives trigger element 71 transmissions to second switch unit 82 transmit button signals; Second switch unit 82 is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (23)
1, a kind of power control, is characterized in that described device comprises at equipment with between the device power supply (DPS) of this power devices: trigger element and control module,
Described trigger element is used for sending trigger pip to the master controller or the described control module of described equipment;
Described control module, be used for when described equipment is in opening, the disable signal that sends according to the described master controller that receives is with the disconnection that is connected of described equipment and device power supply (DPS), and described disable signal sends after receiving described trigger pip by described master controller;
When described equipment and device power supply (DPS) disconnection, according to the described trigger pip that the described trigger element that receives sends described equipment and device power supply (DPS) are connected to activate the master controller of described equipment, the master controller that receives this activation is discerned the enable signal that sends after the trigger pip of described trigger element, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected.
2, device according to claim 1 is characterized in that, described disable signal receives described trigger pip and this trigger pip duration by described master controller and sends after reaching preset value.
3, install according to claim 1, it is characterized in that described enable signal sends after reaching preset value by the described trigger pip duration.
4, install according to claim 1, it is characterized in that described master controller comprises microprogram control unit or central processing unit at least.
5, install according to claim 1, it is characterized in that described trigger element comprises:
Button be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.
6, as device as described in the claim 5, it is characterized in that, when described equipment is in opening, described button, also be used for when the duration that is pressed does not reach preset value, triggering described master controller and carry out operation of equipment, described operation of equipment comprise begin the operation or pausing operation.
7, as device as described in the claim 5, it is characterized in that, described trigger element also comprises resistance, after described button and the series connection of this resistance, intermediate node links to each other with the input end of described master controller and the input end of control module, and the other end of resistance links to each other with described device power supply (DPS), the other end ground connection of button, when this button was pressed, the input end potential state of the input end of described master controller and control module was low by hypermutation, and this low level sends as trigger pip.
8, install according to claim 1, it is characterized in that described control module comprises:
First switch element is used for after the trigger pip that receives the trigger element transmission to second switch unit transmit button signal;
Described second switch unit is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
9, as device as described in the claim 8, it is characterized in that, described first switch element comprises the switching device with an above tie point that is operated on off state, be used for after receiving described trigger pip, the conducting by described switching device or close as switching signal sends to described second switch unit.
10, as device as described in the claim 9, it is characterized in that, described switching device comprises metal-oxide-semiconductor or triode, described metal-oxide-semiconductor comprises PMOS pipe and NMOS pipe, when described switching device is the PMOS pipe, the input end of the described master controller of Men Duanyu of this POMS pipe links to each other, drain terminal links to each other with the output terminal of described master controller and passes through resistance eutral grounding, the source end links to each other with described device power supply (DPS), after receiving described trigger pip, this PMOS pipe conducting, the output terminal potential state of described master controller becomes height by low, and this high level sends to the second switch unit as switching signal.
11, as device as described in the claim 8, it is characterized in that, described second switch unit comprises at least one switching device, is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
12, as device as described in the claim 11, it is characterized in that, described switching device comprises metal-oxide-semiconductor or triode, described metal-oxide-semiconductor comprises PMOS pipe and NMOS pipe, when described second switch unit comprises a NMOS pipe and a PMOS pipe, the output terminal of the described master controller of this NMOS pipe Men Duanyu links to each other, source end ground connection, drain terminal links to each other with described device power supply (DPS) by resistance, and link to each other with this PMOS pipe door end, this PMOS pipe drain terminal links to each other with described equipment, the source end links to each other with described device power supply (DPS), and when receiving described switching signal or enable signal, this NMOS pipe conducting and drain terminal current potential are low by hypermutation, then this PMOS pipe conducting, then with described equipment with on device power supply (DPS) is connected.
13, a kind of power control method is applied to it is characterized in that this device comprises trigger element and control module in connection device and the power control between the device power supply (DPS) of this power devices, and this method comprises: when described equipment is in opening,
After the master controller of described trigger element in described equipment sends trigger pip, the disable signal that the master controller that described control module basis receives sends is with the disconnection that is connected of described equipment and device power supply (DPS), and described disable signal sends after receiving described trigger pip by described master controller;
When being connected of described equipment and device power supply (DPS) disconnects,
After described trigger element sends trigger pip, described control module is connected described equipment and device power supply (DPS) to activate the master controller of described equipment according to described trigger pip, the master controller of described activation sends enable signal to described control module after discerning the trigger pip of described trigger element, and described control module continues described equipment and device power supply (DPS) to be connected according to the described enable signal that receives.
As method as described in the claim 13, it is characterized in that 14, described disable signal receives described trigger pip and this trigger pip duration by described master controller and sends after reaching preset value.
15, as method as described in the claim 13, it is characterized in that described enable signal sends after reaching preset value by the described trigger pip duration.
16, as method as described in the claim 13, it is characterized in that described master controller comprises microprogram control unit or central processing unit at least.
17, a kind of electronic system is characterized in that, this system comprises equipment, device power supply (DPS) and the power control between equipment and device power supply (DPS), when described equipment is in opening,
Described device power supply (DPS) is used for to described power devices;
Described power control comprises: trigger element and control module, wherein:
Described trigger element is used for sending trigger pip to the master controller or the described control module of described equipment;
Described control module, be used for when described equipment is in opening, the disable signal that sends according to the described master controller that receives is with the disconnection that is connected of described equipment and device power supply (DPS), and described disable signal sends after receiving described trigger pip by described master controller;
When described equipment and device power supply (DPS) disconnection, according to the described trigger pip that the described trigger element that receives sends described equipment and device power supply (DPS) are connected to activate the master controller of described equipment, the master controller that receives this activation is discerned the enable signal that sends after the trigger pip of described trigger element, and according to described enable signal described equipment and device power supply (DPS) is continued to be connected;
Described equipment is used for after receiving described trigger pip sending the disable signal to described power control, and sends enable signal discern the trigger pip of described trigger element when activating after.
As system as described in the claim 17, it is characterized in that 18, described disable signal receives described trigger pip and this trigger pip duration by the master controller in the described equipment and sends after reaching preset value.
19, as system as described in the claim 17, it is characterized in that described enable signal sends after reaching preset value by the described trigger pip duration.
20, as system as described in the claim 17, it is characterized in that described master controller comprises microprogram control unit or central processing unit at least.
21, as system as described in the claim 17, it is characterized in that described trigger element comprises:
Button be used for evoked potential state change when being pressed, and the potential state after will changing sends as trigger pip.
22, as system as described in the claim 21, it is characterized in that, when described equipment is in opening, described button, also be used for when the duration that is pressed does not reach preset value, triggering described master controller and carry out operation of equipment, described operation of equipment comprise begin the operation or pausing operation.
23, as system as described in the claim 17, it is characterized in that described control module comprises:
First switch element is used for after the trigger pip that receives the trigger element transmission to second switch unit transmit button signal;
Described second switch unit is used for the operation that the disable signal that sends according to described switching signal or described master controller or enable signal carry out described equipment is connected with device power supply (DPS) or disconnects connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610144070XA CN100458612C (en) | 2006-11-24 | 2006-11-24 | Apparatus for controlling power supply, method and electron system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610144070XA CN100458612C (en) | 2006-11-24 | 2006-11-24 | Apparatus for controlling power supply, method and electron system |
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| Publication Number | Publication Date |
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| CN1963707A CN1963707A (en) | 2007-05-16 |
| CN100458612C true CN100458612C (en) | 2009-02-04 |
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| CNB200610144070XA Expired - Fee Related CN100458612C (en) | 2006-11-24 | 2006-11-24 | Apparatus for controlling power supply, method and electron system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893866B (en) * | 2009-05-20 | 2014-12-24 | Vega格里沙贝两合公司 | Control device for field device, field device and method for controlling field device |
| CN101877632B (en) * | 2010-06-13 | 2014-07-16 | 中兴通讯股份有限公司 | Power output control circuit and link state control system |
| CN102799249B (en) * | 2011-05-24 | 2015-12-09 | 联想(北京)有限公司 | A kind of computing machine and power control thereof |
| CN103869122B (en) * | 2012-12-14 | 2018-04-24 | 北京普源精电科技有限公司 | A kind of power supply and its method of work with triggering input function |
| CN103427821B (en) * | 2013-08-16 | 2015-01-28 | 宋利军 | Power management device realizing zero standby current |
| CN106610714A (en) * | 2015-10-21 | 2017-05-03 | 中兴通讯股份有限公司 | Switch control circuit and method for terminal |
| CN106684972A (en) * | 2016-12-12 | 2017-05-17 | 恒信大友（北京）科技有限公司 | Driving device and driving method for increasing standby time of batteries |
| CN108540115A (en) * | 2018-05-31 | 2018-09-14 | 深圳市文鼎创数据科技有限公司 | A kind of low consumption circuit and electronic device |
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| CN2595065Y (en) * | 2002-12-31 | 2003-12-24 | 上海华虹集成电路有限责任公司 | Power supply circuit of portable product |
| US6731958B1 (en) * | 1999-02-02 | 2004-05-04 | Nec Corporation | Portable radio communication apparatus with improved power-saving function |
| CN2779456Y (en) * | 2005-01-20 | 2006-05-10 | 英业达股份有限公司 | Electrical power control unit (EPCU) with reduced shutdown power consumption |
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| CN1963707A (en) | 2007-05-16 |
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