CN207424583U - A kind of switching on and shutting down management circuit and terminal - Google Patents
A kind of switching on and shutting down management circuit and terminal Download PDFInfo
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- CN207424583U CN207424583U CN201721288155.5U CN201721288155U CN207424583U CN 207424583 U CN207424583 U CN 207424583U CN 201721288155 U CN201721288155 U CN 201721288155U CN 207424583 U CN207424583 U CN 207424583U
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Abstract
The utility model provides a kind of switching on and shutting down management circuit and terminal, wherein, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit and system control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；Main power-supplying circuit is powered for system control assembly under open state；When detecting shutdown command, switching on and shutting down control circuit transmission off signal gives system control assembly, and system control assembly sends power-off signal to main power-supplying circuit, and main power-supplying circuit power-off is closed, and switching on and shutting down control circuit is closed afterwards.The utility model controls main power-supplying circuit to close in shutdown by system control assembly, and switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of realization system no longer there are electric energy loss after shutdown, greatly reduces service life and battery durable ability that system power dissipation improves end cell.
Description
Technical field
The utility model is related to field of terminal technology, and circuit and terminal are managed in particular to a kind of switching on and shutting down.
Background technology
For the terminals such as mobile phone or tablet computer mainly by battery powered, the cruising ability of battery is that terminal is very important
Performance indicator.And the cruising ability of battery depends on the power consumption of terminal, postboost power consumption equally influences the cruising ability of battery.
Terminal mainly has three big module of power module, system control module and system function module.Power module be responsible for
System control module and system function module power supply, system control module control system function module complete various functions.At present
Mainly system control module is made to enter sleep mode during terminal closedown, system function module does not work and not in the hibernation mode
Battery capacity is expended again.But after shutting down, battery is still powered to system control module, and system control module still expends electric energy,
It can not realize power-off shutdown truly, circuit power consumption is larger, influences the cruising ability of battery.
Utility model content
In view of this, a kind of switching on and shutting down that are designed to provide of the utility model embodiment manage circuit and terminal, with solution
Problems with certainly existing in the prior art：Battery is still powered to system control module after terminal closedown in the prior art, still
Electric energy is expended, circuit power consumption is larger, influences the cruising ability of battery.
In a first aspect, the utility model embodiment provides a kind of switching on and shutting down management circuit, including main power-supplying circuit,
Switching on and shutting down control circuit and system control assembly；
The main power-supplying circuit and the switching on and shutting down control circuit are connected with the system control assembly；It is starting shooting
The main power-supplying circuit is powered for the system control assembly under state；
When detecting shutdown command, the switching on and shutting down control circuit transmission off signal is to the system control assembly, institute
It states system control assembly and sends power-off signal to the main power-supplying circuit, the main power-supplying circuit power-off is closed, it
The switching on and shutting down control circuit is closed afterwards.
With reference to first aspect, the utility model embodiment provides the first possible realization side of above-mentioned first aspect
Formula, wherein, the main power-supplying circuit includes the first voltage stabilizing chip and the first peripheral circuit；
First voltage stabilizing chip respectively with equipment power supply, first peripheral circuit, the switching on and shutting down control circuit and
The system control assembly connection.
With reference to first aspect, the utility model embodiment provides second of possible realization side of above-mentioned first aspect
Formula, wherein, the switching on and shutting down control circuit includes the second voltage stabilizing chip, the second peripheral circuit and manual switch circuit；
Second voltage stabilizing chip respectively with equipment power supply, second peripheral circuit, the manual switch circuit, described
Main power-supplying circuit and system control assembly connection.
Second of possible realization method with reference to first aspect, the utility model embodiment provide above-mentioned first aspect
The third possible realization method, wherein, the manual switch circuit include switching tube, key switch and peripheral electron device
Part；
The switching tube respectively with the equipment power supply, the peripheral electron device, the key switch, described second steady
Press chip connection；The key switch is connected with the peripheral electron device.
The third possible realization method with reference to first aspect, the utility model embodiment provide above-mentioned first aspect
The 4th kind of possible realization method, wherein, the peripheral electron device include first resistor and second resistance；
The one end of the source electrode of the switching tube respectively with the equipment power supply and the first resistor is connected；First electricity
Grid of the other end of resistance respectively with one end of the key switch and the switching tube is connected；The other end of the key switch
Ground connection；
The one end of the drain electrode of the switching tube respectively with second voltage stabilizing chip and the second resistance is connected；Described
The other end ground connection of two resistance.
The third possible realization method with reference to first aspect, the utility model embodiment provide above-mentioned first aspect
The 5th kind of possible realization method, wherein, the key switch be pressed start when, the switching on and shutting down control circuit is opened
It opens, powers for the system control assembly, and transmit starting-up signal to the system control assembly；
The system control assembly sends wake-up signal to the main power-supplying circuit, and the main power-supplying circuit is opened
It opens, and powers for the system control assembly.
The 5th kind of possible realization method with reference to first aspect, the utility model embodiment provide above-mentioned first aspect
The 6th kind of possible realization method, wherein, the main power-supplying circuit for the system control assembly power supply after, it is described
Key switch bounces, and the switching on and shutting down control circuit is closed.
The possible realization method of with reference to first aspect the first, the utility model embodiment provide above-mentioned first aspect
The 7th kind of possible realization method, wherein, first peripheral circuit includes the first capacitance, the second capacitance, the 3rd capacitance, the
Four capacitances and 3rd resistor；
First pin of first voltage stabilizing chip respectively with the equipment power supply and first capacitance being connected in parallel
With second capacitance connection；Second pin be grounded, the 4th pin is hanging, the 3rd pin respectively with the system control assembly and
One end connection of the 3rd resistor；The other end ground connection of the 3rd resistor；
5th pin of first voltage stabilizing chip respectively with the system control assembly, the switching on and shutting down control circuit,
3rd capacitance and the 4th capacitance connection.
Second of possible realization method with reference to first aspect, the utility model embodiment provide above-mentioned first aspect
The 8th kind of possible realization method, wherein, second peripheral circuit includes the 5th capacitance, the 6th capacitance, the 7th capacitance, the
Eight capacitances, the 4th resistance, the 5th resistance and diode；
First pin of second voltage stabilizing chip respectively with the equipment power supply and the 5th capacitance being connected in parallel
With the 6th capacitance connection；Second pin is grounded, and the 4th pin is hanging, and the 3rd pin connects with the manual switch circuit
It connects；
5th pin of second voltage stabilizing chip is connected by the diode with the main power-supplying circuit, is passed through
7th capacity earth passes through the 4th resistance being connected in series and the 5th resistance eutral grounding；
8th capacitance one end ground connection, the other end respectively with the 4th resistance, the 5th resistance and the system
Control assembly of uniting connection.
Second aspect, the utility model embodiment provide a kind of terminal, including equipment power supply, system function component and power
Profit requires the switching on and shutting down of 1-9 any one of them to manage circuit；
The main power-supplying circuit and switching on and shutting down control circuit that the switching on and shutting down management circuit includes are electric with the equipment
Source connects；
The system control assembly that the switching on and shutting down management circuit includes is connected with the system function component.
In the utility model embodiment, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit
And system control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；In open state
Lower main power-supplying circuit is powered for system control assembly；The switching on and shutting down control circuit transmission shutdown letter when detecting shutdown command
Number to system control assembly, system control assembly sends power-off signal to main power-supplying circuit, main power-supplying circuit power-off
It closes, switching on and shutting down control circuit is closed afterwards.The utility model controls main power supply control in shutdown by system control assembly
Circuit is closed, and switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of realization system, no longer there are electric energy damages after shutdown
Consumption, greatly reduces service life and battery durable ability that system power dissipation improves end cell.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows a kind of structure diagram for switching on and shutting down management circuit that the utility model embodiment 1 is provided；
Fig. 2 shows a kind of circuit diagram for main power-supplying circuit that the utility model embodiment 1 is provided；
Fig. 3 shows a kind of circuit diagram for switching on and shutting down control circuit that the utility model embodiment 1 is provided；
Fig. 4 shows a kind of circuit diagram for switching on and shutting down management circuit that the utility model embodiment 1 is provided；
Fig. 5 shows a kind of structure diagram for terminal that the utility model embodiment 2 is provided.
The meaning that each label represents in above-mentioned attached drawing is as follows：
1：Main power-supplying circuit, 2：Switching on and shutting down control circuit, 3：System control assembly, 4：Manual switch circuit, 5：If
Stand-by power source, 6：System function component, 7：Switching on and shutting down manage circuit；
C1：First capacitance, C2：Second capacitance, C3：3rd capacitance, C4：4th capacitance, C5：5th capacitance, C6：6th electricity
Hold, C7：7th capacitance, C8：8th capacitance；R1：First resistor, R2：Second resistance, R3：3rd resistor, R4：4th resistance,
R5：5th resistance；D1：Diode；Q1：Switching tube, G1：The source electrode of switching tube, G2：The grid of switching tube, G3：The leakage of switching tube
Pole；
U1：First voltage stabilizing chip, Y1：First pin of the first voltage stabilizing chip, Y2：The second pin of first voltage stabilizing chip,
Y3：3rd pin of the first voltage stabilizing chip, Y4：Y1：4th pin of the first voltage stabilizing chip, Y5：The 5th of first voltage stabilizing chip
Pin；
U2：Second voltage stabilizing chip, J1：First pin of the second voltage stabilizing chip, J2：The second pin of second voltage stabilizing chip,
J3：3rd pin of the second voltage stabilizing chip, J4：4th pin of the second voltage stabilizing chip, J5：The 5th of second voltage stabilizing chip draws
Foot；
GND：Ground connection, INTO：Input.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing
It can be configured to arrange and design with a variety of with the component of the utility model embodiment shown.Therefore, below to
The detailed description of the embodiment of the utility model provided in attached drawing is not intended to limit the model of claimed the utility model
It encloses, but is merely representative of the selected embodiment of the utility model.Embodiment based on the utility model, those skilled in the art exist
All other embodiments obtained on the premise of creative work are not made, shall fall within the protection scope of the present invention.
It still powers in view of battery after terminal closedown in the prior art to system control module, system control module is still
Electric energy is expended, can not realize power-off shutdown truly, circuit power consumption is larger, influences the cruising ability of battery.Based on this,
The utility model embodiment provides a kind of switching on and shutting down management circuit and terminal, is described below by embodiment.
Embodiment 1
Referring to Fig. 1, the utility model embodiment provides a kind of switching on and shutting down management circuit, including main power-supplying circuit 1,
Switching on and shutting down control circuit 2 and system control assembly 3.
Main power-supplying circuit 1 and switching on and shutting down control circuit 2 are connected with system control assembly 3；It is main under open state
Power-supplying circuit 1 is powered for system control assembly 3；The transmission of the switching on and shutting down control circuit 2 shutdown letter when detecting shutdown command
Number to system control assembly 3, system control assembly 3 sends power-off signal to main power-supplying circuit 1, main power-supplying circuit 1
Power-off is closed, and switching on and shutting down control circuit 2 is closed afterwards.
Wherein, system control assembly 3 includes the microprocessor controller of terminal and corresponding peripheral circuit, microprocessor controller
Including but not limited to microcontroller.Under open state, switching on and shutting down control circuit 2 is closed, and main power-supplying circuit 1 works normally,
It powers for system control assembly 3.When user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, switching on and shutting down control electricity
Road 2 detects shutdown command, and transmission off signal is to system control assembly 3.After system control assembly 3 receives the off signal
Power-off signal is sent to main power-supplying circuit 1.Main power-supplying circuit 1 is closed after receiving the power-off signal, stop be
System control assembly 3 is powered.Switching on and shutting down control circuit 2 can be automatically closed or send shutdown after above-mentioned off signal is sent
Signal to system control assembly 3 and receive system control assembly 3 return response signal after be automatically closed or in main power supply
Switching on and shutting down control circuit 2 is automatically closed after the power-off of control circuit 1 is closed.
In start, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 detects
To power-on instruction, switching on and shutting down control circuit 2 is waken up unlatching, is first powered by switching on and shutting down control circuit 2 for system control assembly 3.
Simultaneous Switching machine control circuit 2 transmits starting-up signal to system control assembly 3.System control assembly 3 receives the starting-up signal
Wake-up signal is sent afterwards to main power-supplying circuit 1, wakes up main power-supplying circuit 1, main power-supplying circuit 1 is opened and to be
System control assembly 3 is powered, and system control assembly 3 starts to work normally.It is supplied in main power-supplying circuit 1 for system control assembly 3
After electricity, switching on and shutting down control circuit 2 is closed, and stops powering for system control assembly 3.
Starting-up signal, off signal, power-off signal for being referred in the utility model embodiment etc. are level signal, are passed through
Just different level signals distinguishes different control signals.
In the utility model embodiment, the switching on and shutting down for realizing terminal by switching on and shutting down control circuit 2 control.In shutdown
Off signal is transmitted to system control assembly 3 by switching on and shutting down control circuit 2, system control assembly 3 is receiving the off signal
The process being currently executing, the data handled etc. can be preserved afterwards.System control assembly 3 receives shutdown letter
Main power-supplying circuit 1 is controlled to close after number, and switching on and shutting down control circuit 2 is also automatically closed.Such system control after shut down
Component 3 processed thoroughly powers off, and realizes shutdown truly, significantly reduces the system power dissipation of terminal, improves equipment electricity
The cruising ability in source and service life.
As shown in Fig. 2, main power-supplying circuit 1 includes the first voltage stabilizing chip U1 and the first peripheral circuit；First voltage stabilizing core
Piece U1 is connected respectively with equipment power supply, the first peripheral circuit, switching on and shutting down control circuit 2 and system control assembly 3.First voltage stabilizing core
Piece U1 is the voltage stabilizing chip with switching function.
Wherein, as shown in Figure 2, the first peripheral circuit includes the first capacitance C1, the second capacitance C2, the 3rd capacitance C3, the
Four capacitance C4 and 3rd resistor R3.The first pin Y1 of first voltage stabilizing chip U1 be VIN (power input) pin, the first pin Y1
It is connected respectively with equipment power supply and the first capacitance C1 being connected in parallel and the second capacitance C2.I.e. the first pin Y1 connects power input,
And it is decoupling and filtering that the first capacitance C1 being connected in parallel and the second capacitance C2, main function are connected between ground wire.
The second pin Y2 of first voltage stabilizing chip U1 is VSS (digital circuit pin) pin, second pin Y2 ground connection.The
The 4th pin Y4 of one voltage stabilizing chip U1 is NC (unused pin) pin, and the 4th pin Y4 is hanging.
The 3rd pin Y3 of first voltage stabilizing chip U1 be CE (signal output pin) pin, the 3rd pin Y3 respectively with system
One end of control assembly 3 and 3rd resistor R3 connect, the other end ground connection of 3rd resistor R3.I.e. the 3rd pin Y3 divides two-way, and one
Road is connected with system control assembly 3, the control signal transmitted for reception system control assembly 3.Another way passes through 3rd resistor
R3 be grounded, 3rd resistor R3 ground connection main function be system control assembly 3 in electrifying startup in a flash, on the 3rd pin Y3
It is high-impedance state, i.e., signal output pin is nondeterministic statement, is the equal of empty electricity, so needing with the 3rd larger electricity of resistance value
R3 ground connection is hindered, past is pulled up empty electric.
The 5th pin Y5 of first voltage stabilizing chip U1 is VOUT (supplying electricity output) pin.5th pin Y5 respectively with system control
Component 3 processed, switching on and shutting down control circuit 2, the 3rd capacitance C3 and the 4th capacitance C4 connections.That is Y5 points of three tunnels of the 5th pin, the first via
It is connected with system control assembly 3, powers for system control assembly 3.Second tunnel is connected with switching on and shutting down control circuit 2.3rd tunnel leads to
It is grounded after crossing the 3rd capacitance C3 and the 4th capacitance C4 being connected in parallel.
As shown in figure 3, switching on and shutting down control circuit 2 includes the second voltage stabilizing chip U2, the second peripheral circuit and manual switch electricity
Road 4；Second voltage stabilizing chip U2 respectively with equipment power supply, the second peripheral circuit, manual switch circuit 4, main power-supplying circuit 1 and
System control assembly 3 connects.Second voltage stabilizing chip U2 is the voltage stabilizing chip for having switching function.
Wherein, as shown in Figure 3, the second peripheral circuit includes the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, the
Eight capacitance C8, the 4th resistance R4, the 5th resistance R5 and diode D1.
The first pin J1 of second voltage stabilizing chip U2 be VIN pins, the first pin J1 respectively with equipment power supply and it is in parallel company
The 5th capacitance C5 connect and the 6th capacitance C6 connections.I.e. the first pin J1 connects power input, and in parallel connect is connected between ground wire
The 5th capacitance C5 connect and the 6th capacitance C6.
The second pin J2 of second voltage stabilizing chip U2 is VSS pins, and second pin J2 is grounded.The of second voltage stabilizing chip U2
Four pin J4 are NC pins, and the 4th pin J4 is hanging.The 3rd pin J3 of second voltage stabilizing chip U2 be CE pins, the 3rd pin J3
It is connected with manual switch circuit 4；
The 5th pin J5 of second voltage stabilizing chip U2 is VOUT pins, and the 5th pin J5 is by diode D1 with main for automatically controlled
Circuit 1 processed connects, and is grounded by the 7th capacitance C7, is grounded by the 4th resistance R4 being connected in series and the 5th resistance R5.I.e.
Five three tunnels of J5 points of pin, the anode of first via connection diode D1, the power supply of the cathode of diode D1 and main power-supplying circuit 1
End connection, the feeder ear of main power-supplying circuit 1 is the 5th pin Y5 of above-mentioned first voltage stabilizing chip U1.Second tunnel is by the
Seven capacitance C7 are connected to ground.3rd tunnel by series connection the 4th resistance R4 and the 5th resistance R5 be connected to ground, the 4th resistance R4 and
5th resistance R5 forms bleeder circuit, and the voltage that ON-OFF control circuit exports is made more to stablize.
8th capacitance C8 one end ground connection, the other end respectively with the 4th resistance R4, the 5th resistance R5 and system control assembly 3
Connection.That is one end of the 8th capacitance C8 is connected to ground, and the other end divides two-way, all the way with the public affairs of the 4th resistance R4 and the 5th resistance R5
End connection altogether, another way are INTO (input) terminal being connected with system control assembly 3, which connects system control group
Part 3.
As shown in Figure 3, manual switch circuit 4 includes switching tube Q1, key switch S1 and peripheral electron device；Switching tube
Q1 is connected respectively with equipment power supply, peripheral electron device, key switch S1, the second voltage stabilizing chip U2；Key switch S1 and periphery
Electronic device connects.Peripheral electron device includes first resistor R1 and second resistance R2.Key switch S1 is mechanical switch, is used for
The switching on and shutting down of terminal.Switching tube Q1 manages for low power P-channel MOS (Metal Oxide Semiconductor), P-channel MOS
The characteristics of pipe is low level conducting, so manual switch circuit 4 is not turned on, it is necessary to pass through first resistor by default
R1 is pulled upward to high level end.
The one end of the source electrode G1 of switching tube Q1 respectively with equipment power supply and first resistor R1 is connected；First resistor R1's is another
End is connected with one end of key switch S1；The other end ground connection of key switch S1.That is the source electrode G1 of switching tube Q1 divides two-way, all the way
It is connected with power input, another way is grounded after the first resistor R1 and key switch S1 that are connected in series, key switch S1 quilts
Earth-continuity when pressing forms low level turn-on condition, switching tube Q1 conductings.
The other end of above-mentioned first resistor R1 and one end of key switch S1 are also connected with the grid G of switching tube Q1 2.Open
The grid G 2 for closing pipe Q1 is connected with the common port of first resistor R1 and key switch S1.The drain electrode G3 of switching tube Q1 is respectively with second
One end of voltage stabilizing chip U2 and second resistance R2 connect；The other end ground connection of second resistance R2.That is G3 points of the drain electrode of switching tube Q1
Two-way is directly connected to the 3rd pin J3 of the second voltage stabilizing chip U2 in switching on and shutting down control circuit 2 all the way.Another way passes through second
Resistance R2 is grounded.The effect of second resistance R2 is the stabilization operation for key switch S1.
Connection relation between main power-supplying circuit 1 as shown in Figure 2 and switching on and shutting down control circuit 2 as shown in Figure 3
As shown in Figure 4.
When terminal is in off-mode, if user needs to open a terminal, user pushes button switch S1, in key switch
S1 be pressed start when, switching on and shutting down control circuit 2 is opened, and is powered for system control assembly 3, and is transmitted starting-up signal and give system control
Component 3 processed.Specifically, key switch S1 is pressed, and the grid G 2 of switching tube Q1 is directly connected to the ground, and current potential 0 meets low electricity
Flat turn-on condition, switching tube Q1 conductings, the current potential for the source electrode G1 being connected with equipment power supply is higher than grid G 2, the source electrode of switching tube Q1
It is turned between G1 and drain electrode G3.The 3rd pin J3 of the second voltage stabilizing chip U2 in switching on and shutting down control circuit 2 obtains high electricity at this time
Flat, the second voltage stabilizing chip U2 starts to work normally, and the 5th pin J5 output voltages of the second voltage stabilizing chip U2, the 5th pin J5 leads to
It crosses after diode D1 and powers in advance to system control assembly 3, system control assembly 3 is started to work.Simultaneous Switching machine control circuit 2
In the INTO terminals that are connected with system control assembly 3 obtain high level, which is that switching on and shutting down control circuit 2 is transferred to and is
The starting-up signal for control assembly 3 of uniting.
After system control assembly 3 is started to work, the output level for detecting the INTO terminals in switching on and shutting down control circuit 2 is
High level, and the high level duration is greater than or equal to preset duration, it is determined that it is currently power-on operation, carries out subsequent open
Machine processing.Preset duration can be 1S or 2S etc., if system control assembly 3 detects continuing for the high level of INTO terminals output
Duration is less than preset duration, it is determined that the high level is interference signal, is handled without subsequent start.
When system control assembly 3 detects that INTO terminals export high level, and the high level duration is greater than or equal to
Preset duration, then system control assembly 3 receive switching on and shutting down control circuit 2 output starting-up signal.System control assembly 3 is sent
Wake-up signal gives main power-supplying circuit 1, and main power-supplying circuit 1 is opened, and powers for system control assembly 3.Specifically, such as
Shown in Fig. 2, system control assembly 3 is connected with the 3rd pin Y3 of the first voltage stabilizing chip U1 in main power-supplying circuit 1, system
Control assembly 3 receives the electricity that the 3rd pin Y3 of the first voltage stabilizing chip U1 in main power-supplying circuit 1 is controlled after starting-up signal
It puts down as height, the first voltage stabilizing chip U1 is made to start to work.After first voltage stabilizing chip U1 starts to work, the 5th of the first voltage stabilizing chip U1 the
Pin Y5 output voltages give system control assembly 3 normal power supply, and the system function component of 3 control terminal of system control assembly starts
Normal work.It powers in main power-supplying circuit 1 for system control assembly 3, after system function module is started to work, key switch
S1 is bounced, and switching tube Q1 is closed at this time, and the second voltage stabilizing chip U2 is accordingly turned off, and entire switching on and shutting down control circuit 2 is closed, and stops work
Make, exit power supply.Under open state, the system of terminal is powered by main power-supplying circuit 1.
At terminal during open state, if user needs to close terminal, user pushes button switch S1, in key switch S1
Be pressed shutdown when, switching tube Q1 conductings, the second voltage stabilizing chip U2 opens therewith, and switching on and shutting down control circuit 2 starts to work normally,
On the one hand powered in advance for system control assembly 3 by the 5th pin output voltage of the second voltage stabilizing chip U2.On the other hand open
The INTO terminals output high level being connected in shutdown control circuit 2 with system control assembly 3, and the duration of the high level is big
In or equal to preset duration.System control assembly 3 detects that INTO terminals output duration is greater than or equal to preset duration
After high level, the 3rd pin Y3 level for controlling the first voltage stabilizing chip U1 in main power-supplying circuit 1 is low, and then makes first
Voltage stabilizing chip U1 is stopped, and main power-supplying circuit 1 is stopped, the system work(of 3 control terminal of simultaneity factor control assembly
Energy component is stopped.After main power-supplying circuit 1 is closed, key switch S1 is bounced, and switching tube Q1 is closed, the second voltage stabilizing chip
U2 is accordingly turned off, and entire switching on and shutting down control circuit 2 is closed, and is stopped.So far switching on and shutting down control circuit 2 and main power supply control electricity
All power-off is stopped on road 1, and the power-off of system control assembly 3 is closed, and completes thoroughly shutdown.I.e. under off-mode, terminal is
It unites fully powered-off, there is no electric energy losses, greatly reduce system power dissipation, improve the battery life and battery durable of terminal
Ability.
In the utility model embodiment, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit
And system control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；In open state
Lower main power-supplying circuit is powered for system control assembly；The switching on and shutting down control circuit transmission shutdown letter when detecting shutdown command
Number to system control assembly, system control assembly sends power-off signal to main power-supplying circuit, main power-supplying circuit power-off
It closes, switching on and shutting down control circuit is closed afterwards.The utility model controls main power supply control in shutdown by system control assembly
Circuit is closed, and switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of realization system, no longer there are electric energy damages after shutdown
Consumption, greatly reduces service life and battery durable ability that system power dissipation improves end cell.
Embodiment 2
Referring to Fig. 5, the utility model embodiment provides a kind of terminal, including equipment power supply 5, system function component 6 and
The switching on and shutting down management circuit 7 that above-described embodiment 1 is provided.
The main power-supplying circuit 1 and switching on and shutting down control circuit 2 that switching on and shutting down management circuit 7 includes connect with equipment power supply 5
It connects；The system control assembly 3 that switching on and shutting down management circuit 7 includes is connected with system function component 6.
Equipment power supply 5 can be the battery of terminal.In the utility model embodiment, switching on and shutting down manage the structure of circuit 7
The structure of switching on and shutting down management circuit 7 with being provided in above-described embodiment 1 is identical, and details are not described herein.
In the utility model embodiment, under open state, switching on and shutting down control circuit 2 is closed, and terminal only has main power supply
Control circuit 1 is powered.Under off-mode, main power-supplying circuit 1 is powered off with switching on and shutting down control circuit 2 and is stopped, terminal
It is fully powered-off, thoroughly shut down, there is no electric energy losses, greatly reduce system power dissipation, improve equipment power supply 5 service life and
Cruising ability.
In start, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 is called out
It wakes up and opens, first powered by switching on and shutting down control circuit 2 for system control assembly 3.Simultaneous Switching machine control circuit 2 transmits starting-up signal
To system control assembly 3.System control assembly 3, which receives, sends wake-up signal after the starting-up signal to main power-supplying circuit 1,
Main power-supplying circuit 1 is waken up, main power-supplying circuit 1 is opened and powered for system control assembly 3, and system control assembly 3 is controlled
System function component 6 processed starts to work normally.After main power-supplying circuit 1 is powered for system control assembly 3, switching on and shutting down control
Circuit 2 is closed, and stops powering for system control assembly 3.
In shutdown, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 detects
To shutdown command, transmission off signal is to system control assembly 3.Transmission is disconnected after system control assembly 3 receives the off signal
Electric signal gives main power-supplying circuit 1.Main power-supplying circuit 1 is closed after receiving the power-off signal, stops controlling for system
Component 3 is powered, and 3 control system functional unit 6 of system control assembly is stopped.Switching on and shutting down control circuit 2 is automatically closed afterwards,
It is stopped.So far all power-off is stopped switching on and shutting down control circuit 2 with main power-supplying circuit 1, completes thoroughly shutdown, drop
Low system power dissipation improves service life and the battery durable ability of equipment power supply 5.
In the utility model embodiment, terminal manages circuit by switching on and shutting down and carries out switching on and shutting down control.Switching on and shutting down management
Circuit includes main power-supplying circuit, switching on and shutting down control circuit and system control assembly；Main power-supplying circuit and switching on and shutting down control
Circuit processed is connected with system control assembly；Main power-supplying circuit is powered for system control assembly under open state；It is examining
Switching on and shutting down control circuit transmission off signal gives system control assembly when measuring shutdown command, and system control assembly sends power-off letter
Number to main power-supplying circuit, main power-supplying circuit power-off is closed, and switching on and shutting down control circuit is closed afterwards.The utility model exists
By system control assembly main power-supplying circuit is controlled to close during shutdown, and switching on and shutting down control circuit is also switched off.Realization system
Thorough power-off shutdown, shutdown after no longer there are electric energy loss, greatly reduce system power dissipation and improve end cell
Service life and battery durable ability.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Finally it should be noted that：Embodiment described above is only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
It, still can be to the skill recorded in previous embodiment in the technical scope that the technical staff in art field discloses in the utility model
Art scheme, which is modified or can be readily occurred in, to be changed or carries out equivalent substitution to which part technical characteristic；And these modifications,
Variation is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of the utility model embodiment technical solution
It encloses.It should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be wanted with the right
Subject to the protection domain asked.
Claims (10)
1. a kind of switching on and shutting down manage circuit, which is characterized in that including main power-supplying circuit, switching on and shutting down control circuit and system control
Component processed；
The main power-supplying circuit and the switching on and shutting down control circuit are connected with the system control assembly；In open state
Under the main power-supplying circuit be the system control assembly power supply；
When detecting shutdown command, the switching on and shutting down control circuit transmission off signal is to the system control assembly, the system
Control assembly of uniting sends power-off signal to the main power-supplying circuit, and the main power-supplying circuit power-off is closed, Zhi Housuo
State the closing of switching on and shutting down control circuit.
2. switching on and shutting down according to claim 1 manage circuit, which is characterized in that the main power-supplying circuit includes first
Voltage stabilizing chip and the first peripheral circuit；
First voltage stabilizing chip respectively with equipment power supply, first peripheral circuit, the switching on and shutting down control circuit and described
System control assembly connects.
3. switching on and shutting down according to claim 1 manage circuit, which is characterized in that the switching on and shutting down control circuit includes second
Voltage stabilizing chip, the second peripheral circuit and manual switch circuit；
Second voltage stabilizing chip respectively with equipment power supply, second peripheral circuit, the manual switch circuit, the main confession
Electric control circuit and system control assembly connection.
4. switching on and shutting down according to claim 3 manage circuit, which is characterized in that the manual switch circuit includes switch
Pipe, key switch and peripheral electron device；
The switching tube respectively with the equipment power supply, the peripheral electron device, the key switch, the second voltage stabilizing core
Piece connects；The key switch is connected with the peripheral electron device.
5. switching on and shutting down according to claim 4 manage circuit, which is characterized in that the peripheral electron device includes the first electricity
Resistance and second resistance；
The one end of the source electrode of the switching tube respectively with the equipment power supply and the first resistor is connected；The first resistor
Grid of the other end respectively with one end of the key switch and the switching tube is connected；Another termination of the key switch
Ground；
The one end of the drain electrode of the switching tube respectively with second voltage stabilizing chip and the second resistance is connected；Second electricity
The other end ground connection of resistance.
6. switching on and shutting down according to claim 4 manage circuit, which is characterized in that are pressed start in the key switch
When, the switching on and shutting down control circuit is opened, and is powered for the system control assembly, and is transmitted starting-up signal and controlled to the system
Component；
The system control assembly sends wake-up signal to the main power-supplying circuit, and the main power-supplying circuit is opened,
And it powers for the system control assembly.
7. switching on and shutting down according to claim 6 manage circuit, which is characterized in that in the main power-supplying circuit are described
After the power supply of system control assembly, the key switch bounces, and the switching on and shutting down control circuit is closed.
8. switching on and shutting down according to claim 2 manage circuit, which is characterized in that first peripheral circuit includes the first electricity
Appearance, the second capacitance, the 3rd capacitance, the 4th capacitance and 3rd resistor；
First pin of first voltage stabilizing chip respectively with the equipment power supply and first capacitance being connected in parallel and institute
State the second capacitance connection；Second pin is grounded, and the 4th pin is hanging, the 3rd pin respectively with the system control assembly and described
One end connection of 3rd resistor；The other end ground connection of the 3rd resistor；
5th pin of first voltage stabilizing chip respectively with the system control assembly, the switching on and shutting down control circuit, described
3rd capacitance and the 4th capacitance connection.
9. switching on and shutting down according to claim 3 manage circuit, which is characterized in that second peripheral circuit includes the 5th electricity
Appearance, the 6th capacitance, the 7th capacitance, the 8th capacitance, the 4th resistance, the 5th resistance and diode；
First pin of second voltage stabilizing chip respectively with the equipment power supply and the 5th capacitance being connected in parallel and
Six capacitance connections；Second pin is grounded, and the 4th pin is hanging, and the 3rd pin is connected with the manual switch circuit；
5th pin of second voltage stabilizing chip is connected by the diode with the main power-supplying circuit, by described
7th capacity earth passes through the 4th resistance being connected in series and the 5th resistance eutral grounding；
8th capacitance one end ground connection, the other end respectively with the 4th resistance, the 5th resistance and the system control
Component connection processed.
10. a kind of terminal, which is characterized in that including equipment power supply, system function component and claim 1-9 any one of them
Switching on and shutting down manage circuit；
The main power-supplying circuit and switching on and shutting down control circuit that the switching on and shutting down management circuit includes connect with the equipment power supply
It connects；
The system control assembly that the switching on and shutting down management circuit includes is connected with the system function component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288155.5U CN207424583U (en) | 2017-09-30 | 2017-09-30 | A kind of switching on and shutting down management circuit and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288155.5U CN207424583U (en) | 2017-09-30 | 2017-09-30 | A kind of switching on and shutting down management circuit and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424583U true CN207424583U (en) | 2018-05-29 |
Family
ID=62313470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721288155.5U Active CN207424583U (en) | 2017-09-30 | 2017-09-30 | A kind of switching on and shutting down management circuit and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424583U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561991A (en) * | 2017-09-30 | 2018-01-09 | 深圳麦格米特电气股份有限公司 | A kind of switching on and shutting down management circuit and terminal |
| CN112994670A (en) * | 2021-05-08 | 2021-06-18 | 杭州米芯微电子有限公司 | Low-shutdown-power-consumption circuit of SOC (System on chip) and SOC |
-
2017
- 2017-09-30 CN CN201721288155.5U patent/CN207424583U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561991A (en) * | 2017-09-30 | 2018-01-09 | 深圳麦格米特电气股份有限公司 | A kind of switching on and shutting down management circuit and terminal |
| CN112994670A (en) * | 2021-05-08 | 2021-06-18 | 杭州米芯微电子有限公司 | Low-shutdown-power-consumption circuit of SOC (System on chip) and SOC |
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