CN109450253A - Electric power management circuit and method for managing power supply - Google Patents
Electric power management circuit and method for managing power supply Download PDFInfo
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- CN109450253A CN109450253A CN201811381281.4A CN201811381281A CN109450253A CN 109450253 A CN109450253 A CN 109450253A CN 201811381281 A CN201811381281 A CN 201811381281A CN 109450253 A CN109450253 A CN 109450253A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
Abstract
Electric power management circuit and method for managing power supply provided in an embodiment of the present invention, are related to technical field of power management.Electric power management circuit includes: power delivery unit；Vent unit；Input detection unit；Export detection unit；Control unit, the control unit includes controller and switching device, the controller is used to control vent unit, input detection unit and output detection unit by the switching device when electrical equipment receives shutdown command and turn off after a preset duration, works so that vent unit, input detection unit and output detection unit can carry out release work and potentiometric detection of residual voltage during the shutdown of electrical equipment.By the above method, to improve the comprehensive of potentiometric detection.
Description
Technical field
The present invention relates to technical field of power management, in particular to a kind of electric power management circuit and power management side
Method.
Background technique
In the prior art, electric power management circuit includes power delivery unit, vent unit, input detection unit and output
Detection unit.But through inventor the study found that after electrical equipment receives shutdown command, vent unit, input detection unit
And output detection unit shutdown, so that vent unit, input detection unit and output detection unit can not be in electrical equipments
Shutdown during carry out residual voltage release work and potentiometric detection work, thus there is potentiometric detection it is comprehensive compared with
Low problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of electric power management circuit and method for managing power supply, it is existing to improve
There is the problem of technology.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that
A kind of electric power management circuit, comprising:
Power delivery unit, including rectifier stack and power adjusting component, with defeated after handling the alternating current of input
Out to electrical equipment；
Vent unit, which is connected between two ac input ends of the rectifier stack, for releasing
Residual voltage after stating the AC power source shutdown of rectifier stack connection；
Input detection unit, the input detection unit be connected to the rectifier stack output plus terminal and detection chip it
Between, for detecting the current potential of the output plus terminal；
Detection unit is exported, which is connected to the output end and the detection core of the power adjusting component
Between piece, for detecting the current potential of the output end；
Control unit, the control unit include controller and switching device, and the controller in the electrical equipment for connecing
The vent unit, input detection unit and output detection unit are controlled one by the switching device when receiving shutdown command
It is turned off after preset duration, so that the vent unit, input detection unit and output detection unit can be in electrical equipments
Shutdown during carry out residual voltage release work and potentiometric detection work.
In the embodiment of the present invention preferably selects, the vent unit includes first resistor, and the switching device includes:
First metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor are connect with the output end of the controller, and the one of the first resistor
End connect with one in two ac input ends of the rectifier stack, the source electrode of the other end and first metal-oxide-semiconductor and leakage
One in extremely connection, in the source electrode and drain electrode of first metal-oxide-semiconductor another with it is another in described two ac input ends
One connection.
In the embodiment of the present invention preferably selects, first metal-oxide-semiconductor be N-type metal-oxide-semiconductor, the drain electrode of the N-type metal-oxide-semiconductor with
The first resistor connection, source electrode are connect with an ac input end of the rectifier stack.
In the embodiment of the present invention preferably selects, the input detection unit includes second resistance, the switching device
Include:
Second metal-oxide-semiconductor, the grid of second metal-oxide-semiconductor are connect with the output end of the controller, and the one of the second resistance
End connect with one in the output plus terminal and detection chip of the rectifier stack, the source electrode of the other end and second metal-oxide-semiconductor
With one in drain electrode connection, the output of another in the source electrode and drain electrode of second metal-oxide-semiconductor with the rectifier stack is just
Another connection in end and detection chip.
In the embodiment of the present invention preferably selects, second metal-oxide-semiconductor be N-type metal-oxide-semiconductor, the drain electrode of the N-type metal-oxide-semiconductor with
The second resistance connection, source electrode are connect with the detection chip.
In the embodiment of the present invention preferably selects, the output detection unit includes 3rd resistor, the switching device
Include:
Third metal-oxide-semiconductor, the grid of the third metal-oxide-semiconductor are connect with the output end of the controller, and the one of the 3rd resistor
End connect with one in the output end and detection chip of the power adjusting component, the source of the other end and the third metal-oxide-semiconductor
A connection in pole and drain electrode, another and the power adjusting component in the source electrode and drain electrode of the third metal-oxide-semiconductor
Another connection in output end and detection chip.
In the embodiment of the present invention preferably selects, the third metal-oxide-semiconductor be N-type metal-oxide-semiconductor, the drain electrode of the N-type metal-oxide-semiconductor with
The 3rd resistor connection, source electrode are connect with the detection chip.
In the embodiment of the present invention preferably selects, the power delivery unit further includes energy storage component, the energy storage component
One end connect with the output plus terminal of the rectifier stack, the other end is connect with the input terminal of the power adjusting component.
In the embodiment of the present invention preferably selects, the power delivery unit further includes filtering unit, the filtering unit
One end connect with the output end of the power adjusting component, the other end is connect with the direct current negative terminal of the rectifier stack.
The embodiment of the invention also provides a kind of method for managing power supply, the control applied to above-mentioned electric power management circuit
Device, which comprises
A control signal is generated when the electrical equipment receives shutdown command；
The control signal is exported to the switching device after a preset duration, to control the vent unit, defeated
Enter detection unit and output detection unit shutdown, so that the vent unit, input detection unit and output detection unit
Can electrical equipment shut down during carry out residual voltage release work and potentiometric detection work.
Electric power management circuit and method for managing power supply provided in an embodiment of the present invention include controller and switch by setting
The control unit of device, the controller are used to control list of releasing by the switching device when electrical equipment receives shutdown command
Member, input detection unit and output detection unit turn off after a preset duration, so that vent unit, input detection unit
And output detection unit can carry out residual voltage during the shutdown of electrical equipment and release work and potentiometric detection work
Make to improve the comprehensive of potentiometric detection.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the structural block diagram of electric power management circuit provided in an embodiment of the present invention.
Fig. 2 is another structural block diagram of electric power management circuit provided in an embodiment of the present invention.
Fig. 3 is the circuit diagram of electric power management circuit provided in an embodiment of the present invention.
Fig. 4 is the flow diagram of method for managing power supply provided in an embodiment of the present invention.
Icon: 10- electric power management circuit；100- power delivery unit；110- rectifier stack；120- power adjusting component；
U1- detection chip；140- energy storage component；150- filtering unit；200- vent unit；R1- first resistor；300- input detection is single
Member；R2- second resistance；400- exports detection unit；R3- 3rd resistor；500- control unit；510- controller；520- switch
Device；The first metal-oxide-semiconductor of Q1-；The second metal-oxide-semiconductor of Q2-；Q3- third metal-oxide-semiconductor；The 4th metal-oxide-semiconductor of Q4-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiments of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as only or imply relative importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, the embodiment of the invention provides a kind of electric power management circuit 10, including power delivery unit 100, let out
Put unit 200, input detection unit 300, output detection unit 400 and control unit 500.
In detail, the power delivery unit 100 includes rectifier stack 110 and power adjusting component 120, to input
Output is to electrical equipment after alternating current is handled.
Optionally, the concrete composition of the rectifier stack 110 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the rectifier stack 110 may include the rectifier bridge D1 being made of 4 diodes.
Meanwhile the concrete composition of the power adjusting component 120 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the power adjusting component 120 may include diode D2 and the 4th metal-oxide-semiconductor Q4.
Also, the vent unit 200 is connected between two ac input ends of the rectifier stack 110, for letting out
Residual voltage after putting the AC power source shutdown that the rectifier stack 110 connects.
Meanwhile the input detection unit 300 be connected to the rectifier stack 110 output plus terminal and detection chip U1 it
Between, for detecting the current potential of the output plus terminal.
Also, the output detection unit 400 is connected to the output end and the detection core of the power adjusting component 120
Between piece U1, for detecting the current potential of the output end.
Meanwhile described control unit 500 includes controller 510 and switching device 520, which is used for described
The vent unit 200, input detection unit 300 are controlled by the switching device 520 when electrical equipment receives shutdown command
And output detection unit 400 turned off after a preset duration so that the vent unit 200, input detection unit 300 with
And output detection unit 400 can carry out residual voltage during the shutdown of electrical equipment and release work and potentiometric detection work
Make.
Optionally, the specific size of the preset duration is unrestricted, can be configured according to practical application request.Example
Such as, in a kind of feasible example, the preset duration can be 50ms.
With the above arrangement, so that the controller 510 by the switching device 520 control the vent unit 200,
Input detection unit 300 and output 400 time delayed turn-off of detection unit, to improve the comprehensive of potentiometric detection.
Optionally, can be by alternative embodiment in one kind, described control unit 500 includes controller 510 and switch
Device 520, the controller 510 are used to control institute by the switching device 520 when the electrical equipment receives standby command
It states vent unit 200, input detection unit 300 and output detection unit 400 to turn off, so that the vent unit 200, input
Detection unit 300 and output detection unit 400 can turn off after electrical equipment shutdown to reduce power consumption.
Further, in conjunction with Fig. 2, the power delivery unit 100 further includes energy storage component 140 and filtering unit 150.
Wherein, one end of the energy storage component 140 connect with the output plus terminal of the rectifier stack 110, the other end and institute
State the input terminal connection of power adjusting component 120.
Optionally, the concrete composition of the energy storage component 140 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the energy storage component 140 may include the first inductance L1.
Meanwhile one end of the filtering unit 150 is connect with the output end of the power adjusting component 120, the other end with
The direct current negative terminal of the rectifier stack 110 connects.
Optionally, the concrete composition of the filtering unit 150 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the filtering unit 150 may include first capacitor C1.
Further, in conjunction with Fig. 3, the vent unit 200 may include first resistor R1.
Optionally, the specific size of the first resistor R1 is unrestricted, can be configured according to practical application request.
Meanwhile the switching device 520 may include the first metal-oxide-semiconductor Q1, the grid of first metal-oxide-semiconductor Q1 and the control
The output end of device 510 connects, one in two ac input ends of one end of the first resistor R1 and the rectifier stack 110
A connection, the other end are connect with one in the source electrode and drain electrode of the first metal-oxide-semiconductor Q1, the source electrode of the first metal-oxide-semiconductor Q1
It is connect with another in drain electrode with another in described two ac input ends.
Optionally, the specific type of the first metal-oxide-semiconductor Q1 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the first metal-oxide-semiconductor Q1 is N-type metal-oxide-semiconductor.
Meanwhile the specific location of the first metal-oxide-semiconductor Q1 is unrestricted, can be configured according to practical application request.
In the present embodiment, the drain electrode of the first metal-oxide-semiconductor Q1 connect with the first resistor R1, source electrode and the rectifier stack 110
An ac input end connection.In another embodiment, the drain electrode of the first metal-oxide-semiconductor Q1 and the rectifier stack 110
One ac input end connection, source electrode are connect with the first resistor R1.
Further, the input detection unit 300 may include second resistance R2.
Optionally, the specific size of the second resistance R2 is unrestricted, can be configured according to practical application request.
Meanwhile the switching device 520 may include the second metal-oxide-semiconductor Q2, the grid of second metal-oxide-semiconductor Q2 and the control
The output end of device 510 connects, the output plus terminal and detection chip U1 of one end of the second resistance R2 and the rectifier stack 110
In one connection, the other end connect with one in the source electrode and drain electrode of the second metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor Q2
Source electrode and drain electrode in another connect with another in the output plus terminal and detection chip U1 of the rectifier stack 110.
Optionally, the specific type of the second metal-oxide-semiconductor Q2 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the second metal-oxide-semiconductor Q2 is N-type metal-oxide-semiconductor.
Meanwhile the specific location of the second metal-oxide-semiconductor Q2 is unrestricted, can be configured according to practical application request.
In the present embodiment, the drain electrode of the second metal-oxide-semiconductor Q2 is connect with the second resistance R2, source electrode and the detection chip U1 connect
It connects.In another embodiment, the drain electrode of the second metal-oxide-semiconductor Q2 connect with the detection chip U1, source electrode and it is described second electricity
Hinder R2 connection.
Further, the output detection unit 400 may include 3rd resistor R3.
Optionally, the specific size of the 3rd resistor R3 is unrestricted, can be configured according to practical application request.
Meanwhile the switching device 520 may include third metal-oxide-semiconductor Q3, the grid of third metal-oxide-semiconductor Q3 and the control
The output end of device 510 connects, the output end and detection chip of one end of the 3rd resistor R3 and the power adjusting component 120
Connection, an other end in U1 are connect with one in the source electrode and drain electrode of the third metal-oxide-semiconductor Q3, the third metal-oxide-semiconductor
Another company in the output end and detection chip U1 of another in the source electrode and drain electrode of Q3 with the power adjusting component 120
It connects.
Optionally, the specific type of the third metal-oxide-semiconductor Q3 is unrestricted, can be set according to practical application request
It sets.In the present embodiment, the third metal-oxide-semiconductor Q3 is N-type metal-oxide-semiconductor.
Meanwhile the specific location of the third metal-oxide-semiconductor Q3 is unrestricted, can be configured according to practical application request.
In the present embodiment, the drain electrode of the third metal-oxide-semiconductor Q3 is connect with the 3rd resistor R3, source electrode and the detection chip U1 connect
It connects.In another embodiment, the drain electrode of the third metal-oxide-semiconductor Q3 connect with the detection chip U1, source electrode and third electricity
Hinder R3 connection.
In conjunction with Fig. 4, the embodiment of the invention provides a kind of controllers 510 that can be applied to electric power management circuit 10
Method for managing power supply.Detailed process shown in Fig. 4 will be illustrated below.
S110 generates a control signal when the electrical equipment receives shutdown command.
S120 exports the control signal to the switching device 520 after a preset duration, to release described in control
Unit 200, input detection unit 300 and output detection unit 400 turn off, so that the vent unit 200, input detection list
Member 300 and output detection unit 400 can carry out residual voltage during electrical equipment is shut down and release work and current potential
Detect work.
In detail, the switching device 520 may include the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and third metal-oxide-semiconductor Q3, institute
It states controller 510 and exports signal is controlled to the first metal-oxide-semiconductor Q1 and turned off with controlling the vent unit 200, the control
Control signal is exported to the second metal-oxide-semiconductor Q2 and is turned off with controlling the input detection unit 300 by device 510, the controller
510 export control signal to the third metal-oxide-semiconductor Q3 to control the output detection unit 400 and turn off.
In conclusion a kind of electric power management circuit 10 provided in an embodiment of the present invention and method for managing power supply, pass through setting
Control unit 500 including controller 510 and switching device 520, the controller 510 refer to for receiving shutdown in electrical equipment
It is pre- one by the switching device 520 control vent unit 200, input detection unit 300 and output detection unit 400 when enabling
If being turned off after duration, so that vent unit 200, input detection unit 300 and output detection unit 400 can be set in electricity consumption
During standby shutdown carry out residual voltage release work and potentiometric detection work to improve the comprehensive of potentiometric detection.
In several embodiments provided by the embodiment of the present invention, it should be understood that disclosed device and method, it can also
To realize by another way.Device and method embodiment described above is only schematical, for example, in attached drawing
Flow chart and block diagram show that the devices of multiple embodiments according to the present invention, method and computer program product are able to achieve
Architecture, function and operation.In this regard, each box in flowchart or block diagram can represent module, a program
A part of section or code, a part of the module, section or code include that one or more is patrolled for realizing defined
Collect the executable instruction of function.It should also be noted that in some implementations as replacement, function marked in the box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
Based on this understanding, technical solution of the present invention substantially in other words the part that contributes to existing technology or
The part of person's technical solution can be embodied in the form of software products, which is stored in a storage
In medium, including some instructions are used so that a computer equipment (can be personal computer, electronic equipment or network
Equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned include: USB flash disk,
Mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access
Memory), the various media that can store program code such as magnetic or disk.It should be noted that, in this document, term
"include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that including a series of elements
Process, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, or
Person is to further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by
The element that sentence "including a ..." limits, it is not excluded that in the process, method, article or apparatus that includes the element
There is also other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric power management circuit characterized by comprising
Power delivery unit, including rectifier stack and power adjusting component, with output after handling the alternating current of input to
Electrical equipment；
Vent unit, which is connected between two ac input ends of the rectifier stack, described whole for releasing
Residual voltage after flowing the AC power source shutdown of component connection；
Input detection unit, the input detection unit are connected between the output plus terminal and detection chip of the rectifier stack, are used
In the current potential for detecting the output plus terminal；
Export detection unit, the output detection unit be connected to the power adjusting component output end and the detection chip it
Between, for detecting the current potential of the output end；
Control unit, the control unit include controller and switching device, and the controller in the electrical equipment for receiving
The vent unit, input detection unit and output detection unit is controlled by the switching device when shutdown command to preset one
It is turned off after duration, so that the vent unit, input detection unit and output detection unit can be in the passes of electrical equipment
During machine carry out residual voltage release work and potentiometric detection work.
2. electric power management circuit according to claim 1, which is characterized in that the vent unit includes first resistor, institute
Stating switching device includes:
First metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor are connect with the output end of the controller, one end of the first resistor with
In the source electrode and drain electrode of a connection, the other end and first metal-oxide-semiconductor in two ac input ends of the rectifier stack
A connection, another and another in described two ac input ends in the source electrode and drain electrode of first metal-oxide-semiconductor
Connection.
3. electric power management circuit according to claim 2, which is characterized in that first metal-oxide-semiconductor is N-type metal-oxide-semiconductor, the N
The drain electrode of type metal-oxide-semiconductor is connect with the first resistor, source electrode is connect with an ac input end of the rectifier stack.
4. electric power management circuit according to claim 1, which is characterized in that the input detection unit includes the second electricity
Resistance, the switching device include:
Second metal-oxide-semiconductor, the grid of second metal-oxide-semiconductor are connect with the output end of the controller, one end of the second resistance with
Source electrode and the leakage of a connection, the other end and second metal-oxide-semiconductor in the output plus terminal and detection chip of the rectifier stack
One in extremely connection, output plus terminal with the rectifier stack of another in the source electrode and drain electrode of second metal-oxide-semiconductor and
Another connection in detection chip.
5. electric power management circuit according to claim 4, which is characterized in that second metal-oxide-semiconductor is N-type metal-oxide-semiconductor, the N
The drain electrode of type metal-oxide-semiconductor is connect with the second resistance, source electrode is connect with the detection chip.
6. electric power management circuit according to claim 1, which is characterized in that the output detection unit includes third electricity
Resistance, the switching device include:
Third metal-oxide-semiconductor, the grid of the third metal-oxide-semiconductor are connect with the output end of the controller, one end of the 3rd resistor with
One in the output end and detection chip of power adjusting component connection, the other end and the third metal-oxide-semiconductor source electrode and
One in drain electrode connection, the output of another in the source electrode and drain electrode of the third metal-oxide-semiconductor with the power adjusting component
Another connection in end and detection chip.
7. electric power management circuit according to claim 6, which is characterized in that the third metal-oxide-semiconductor is N-type metal-oxide-semiconductor, the N
The drain electrode of type metal-oxide-semiconductor is connect with the 3rd resistor, source electrode is connect with the detection chip.
8. electric power management circuit described in -7 any one according to claim 1, which is characterized in that the power delivery unit is also
Including energy storage component, one end of the energy storage component connect with the output plus terminal of the rectifier stack, the other end and the power tune
Save the input terminal connection of component.
9. electric power management circuit described in -7 any one according to claim 1, which is characterized in that the power delivery unit is also
Including filtering unit, one end of the filtering unit connect with the output end of the power adjusting component, the other end and the rectification
The direct current negative terminal of component connects.
10. a kind of method for managing power supply, which is characterized in that be applied to the described in any item electric power management circuits of claim 1-9
Controller, which comprises
A control signal is generated when the electrical equipment receives shutdown command；
The control signal is exported to the switching device after a preset duration, to control the vent unit, input inspection
Unit and output detection unit shutdown are surveyed, so that the vent unit, input detection unit and output detection unit can
Electrical equipment shutdown during carry out residual voltage release work and potentiometric detection work.
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| CN201811381281.4A CN109450253A (en) | 2018-11-20 | 2018-11-20 | Electric power management circuit and method for managing power supply |
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| CN201811381281.4A CN109450253A (en) | 2018-11-20 | 2018-11-20 | Electric power management circuit and method for managing power supply |
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| CN2135845Y (en) * | 1992-10-21 | 1993-06-09 | 黄克 | Full switching off and over voltage protective power socket for remote electric appliance |
| JP2011098793A (en) * | 2009-11-04 | 2011-05-19 | Riso Kagaku Corp | Paper feeder |
| CN201732945U (en) * | 2010-08-04 | 2011-02-02 | 兰莉莉 | Energy-saving socket with remote-control starting function |
| CN201956658U (en) * | 2011-02-25 | 2011-08-31 | 兰莉莉 | Energy-saving socket with over-voltage and over-current power failure protecting function |
| CN103124144A (en) * | 2011-10-21 | 2013-05-29 | 三星电子株式会社 | Power supplier and image forming apparatus including the power supplier |
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Application publication date: 20190308 |