CN205787709U - A kind of low-power scm formula power source management control system - Google Patents
A kind of low-power scm formula power source management control system Download PDFInfo
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- CN205787709U CN205787709U CN201620241540.3U CN201620241540U CN205787709U CN 205787709 U CN205787709 U CN 205787709U CN 201620241540 U CN201620241540 U CN 201620241540U CN 205787709 U CN205787709 U CN 205787709U
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- control system
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Abstract
This utility model relates to Single-chip Controlling field, particularly relates to a kind of low-power scm formula power source management control system.It includes that working portion and standby sections, described working portion are provided with working power, a DC/DC power transfer module, single-chip microcomputer, the 2nd DC/DC power transfer module, peripheral components and high-pressure modular.This utility model avoids the single-chip microcomputer power consumption in standby phase power conversion module Yu standby maintenance, significantly reduces the overall power in system standby stage, and utilizes clock chip to complete dormancy awakening task, improves the stability of system.
Description
Technical field
This utility model relates to Single-chip Controlling field, particularly relates to a kind of low-power scm formula power management and controls system
System.
Background technology
The low power dissipation design of traditional electronics part concentrates on control single chip computer and the type selecting of peripheral components and software
, there is dormancy, system that duty divides depends on the park mode of single-chip microcomputer realize low power dissipation design in control aspect, but
Need nonetheless remain for consuming electric energy at dormant stage power conversion unit and single-chip microcomputer, especially provide power supply and Single Chip Microcomputer (SCM) system at instrument
When required voltage exists bigger voltage difference and uses DC/DC conversion, have ignored the low power dissipation design to power management section, limit
Make the benefit of instrument low-power consumption.
Summary of the invention
The technical problems to be solved in the utility model is how to overcome the deficiencies in the prior art, it is provided that a kind of low-power consumption monolithic
Machine formula power source management control system.
This utility model the technical scheme is that a kind of Single Chip Microcomputer (SCM) system low-power dissipation power supply management for achieving the above object
Control system, including working portion and standby sections, described working portion is provided with working power, a DC/DC Power convert mould
Block, single-chip microcomputer, the 2nd DC/DC power transfer module, peripheral components and high-pressure modular；
Described working power carries out Power convert by a DC/DC power transfer module, supplies for described single-chip microcomputer
Electricity, described working power carries out Power convert by the 2nd DC/DC power transfer module, powers for described peripheral components；
Described standby sections includes standby power, clock chip module and latching circuit module, described standby power and institute
Stating clock chip to be connected, power for it, described latching circuit is connected with described clock chip.
Further, described working power and a described DC/DC power transfer module and the 2nd DC/DC power transfer module
Between be provided with on and off switch, be provided with between described on and off switch and described high-pressure modular high-voltage module power supply switch, described power supply
Switching the control signal exported by latching circuit module and realize break-make, described high-voltage electric switch is exported by single-chip microcomputer
Control signal realizes break-make.
Further, described 2nd DC/DC power transfer module realizes self by the control signal that described monolithic sends
Switch.
Further, described working power is connected with described latching circuit module, between be provided with upper electrical switch.
Further, described latching circuit module is connected with described single-chip microcomputer, believes in order to receive the control from single-chip microcomputer
Number.
Further, described peripheral components includes communication, storage device.
Further, described latching circuit includes phase inverter, current-limiting resistance, audion, the first divider resistance, the second dividing potential drop electricity
Resistance, working power input, working power outfan and P-channel MOSFET, described phase inverter is in order to accept from described monolithic
Machine, clock chip module and the control signal of upper electrical switch (power supply signal that the most indirectly working power sends).
It is an advantage of the current invention that the power consumption avoiding single-chip microcomputer in standby phase power conversion module Yu standby maintenance,
Significantly reduce the overall power in system standby stage, and utilize clock chip to complete dormancy awakening task, improve system
Stability.
Accompanying drawing explanation
Fig. 1 signal of the present invention workflow diagram.
Fig. 2 module of the present invention controls figure.
Fig. 3 latching circuit of the present invention figure.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
The voltage of standby power used in the present embodiment is 3.6V, and the voltage of working power is 24V,
A kind of Single Chip Microcomputer (SCM) system low-power dissipation power supply management control system, including working portion and standby sections, described work
Part is provided with working power, a DC/DC power transfer module, single-chip microcomputer, the 2nd DC/DC power transfer module, peripheral components
And high-pressure modular；
Described working power carries out Power convert by a DC/DC power transfer module, supplies for described single-chip microcomputer
Electricity, described working power carries out Power convert by the 2nd DC/DC power transfer module, powers for described peripheral components；
Described standby sections includes standby power, clock chip module and latching circuit module, described standby power and institute
Stating clock chip to be connected, power for it, described latching circuit is connected with described clock chip.
Set between described working power and a described DC/DC power transfer module and the 2nd DC/DC power transfer module
Having on and off switch, be provided with high-voltage module power supply switch between described on and off switch and described high-pressure modular, described on and off switch leads to
Cross the control signal of latching circuit module output to realize break-make, the control letter that described high-voltage electric switch is exported by single-chip microcomputer
Number realizing break-make, the control signal that high-voltage module power supply switch is sent by single-chip microcomputer controls to open work, carries for working portion
For high voltage power supply.Described 2nd DC/DC power transfer module realizes the switch of self by the control signal that described monolithic sends.
Described working power is connected with described latching circuit module, between be provided with upper electrical switch.
Described latching circuit module is connected with described single-chip microcomputer, in order to receive the control signal from single-chip microcomputer.
Described peripheral components includes communication, storage device.
Described latching circuit include phase inverter 1, current-limiting resistance, driving audion the 2, first divider resistance (R2), second point
Piezoresistance (R3), working power input, working power outfan and P-channel MOSFET3, working power input and work portion
Point working power connect, working power outfan and a DC/DC power transfer module, the 2nd DC/DC power transfer module,
High-voltage module power supply switch connects, and described phase inverter is (the most indirect in order to accept from described clock chip module and upper electrical switch
The power supply signal that sends of working power) control signal, as it can be seen, wherein the control signal from single-chip microcomputer is single-chip microcomputer
Control signal, including high level P1 signal and low level P1 signal, wherein high level P1 signal results from system from resting state
When entering duty, low level P1 signal results from system when duty enters resting state；From clock chip mould
The control signal of block is wake-up signal, is high level P2 signal；From the upper electrical switch (electricity that the most indirectly working power sends
Source signal) control signal be starting-up signal, be starting-up signal P3.
The operation principle of the present invention is: system first startup stage, manually powered on by upper electrical switch, produce starting-up signal
P3 is to latching circuit, via the phase inverter 1 in latching circuit, produces high level signal, simultaneously turns on the driving in latching circuit
Audion 2, further turns on P-channel MOSFET3, working portion power supply inputs, the first divider resistance in latching circuit simultaneously
Produce locking signal and act on the on and off switch of working portion, locking power supply input so that working power can be with normal power supply work
Make, be now kept powered on switching continuous firing certain time, treat that single-chip microcomputer sends high level signal P1, turn off upper electrical switch,
I.e. removing the starting-up signal P3 produced by upper electrical switch, system completes to start since then, enters working stage.
In working stage, first the parameter of clock chip module is set by single-chip microcomputer, enters tasks execution phases.In work
Communication under state all uses wake-up mode to realize, to reduce the times such as single-chip microcomputer sky to reduce power consumption.Work process needs
Open module, by the timely power-on of single-chip microcomputer and after completing task timely power cutoff.Single-chip microcomputer completes preplanned mission
After arriving dormancy time, single-chip microcomputer sends control signal, i.e. low level P1 signal, and resets the warning of clock chip module
Wakeup time, the driving audion 2 in latching circuit can not turn on, and further, P-channel MOSFET3 closes, and cuts off latching circuit
Power supply, locking signal disappears, and owing to clock chip module occurs without control signal, single-chip microcomputer power-off, working portion power-off enters
The system standby stage.In this stage, standby sections works with extremely low power dissipation.
In dormant stage, when setting time of fire alarming arrival, clock chip module produces clock wake-up signal i.e. high level P2
Signal, to latching circuit in like manner, produces high level signal through phase inverter 1, simultaneously turns on the driving audion in latching circuit
2, further turns on P-channel MOSFET3, working portion power supply inputs, and the first divider resistance in latching circuit produces lock simultaneously
Determine signal function in the on and off switch of working portion, locking power supply input so that working power can work with normal power supply, monolithic
Machine works, and now, single-chip microcomputer produces high level P1 signal, meanwhile, removes the wake-up signal that clock chip module produces, starts to hold
Row system task, enters working stage.System moves in circles with the dormant stage at working stage.
Above-described embodiment, simply to illustrate that technology of the present utility model design and feature, its objective is to be to allow this area
Interior those of ordinary skill will appreciate that content of the present utility model and implements according to this, can not limit of the present utility model with this
Protection domain.Every change according to the equivalence done by the essence of this utility model content or modification, all should contain in this reality
With in novel protection domain.
Claims (7)
1. a low-power scm formula power source management control system, it is characterised in that: include working portion and standby sections, institute
State working portion and be provided with working power, a DC/DC power transfer module, single-chip microcomputer, the 2nd DC/DC power transfer module, outer
Peripheral device and high-pressure modular；
Described working power carries out Power convert by a DC/DC power transfer module, is powered for described single-chip microcomputer, institute
State working power and carry out Power convert by the 2nd DC/DC power transfer module, power for described peripheral components；
Described standby sections includes standby power, clock chip module and latching circuit module, described standby power with time described
Clock chip is connected, and powers for it, and described latching circuit is connected with described clock chip.
A kind of low-power scm formula power source management control system the most according to claim 1, it is characterised in that: described work
Make to be provided with on and off switch between power supply and a described DC/DC power transfer module and the 2nd DC/DC power transfer module, described
Being provided with high-voltage module power supply switch between on and off switch and described high-pressure modular, described on and off switch is defeated by latching circuit module
The control signal gone out is to realize break-make, and the control signal that described high-voltage electric switch is exported by single-chip microcomputer realizes break-make, it is achieved
High-pressure modular and the break-make of operational module.
A kind of low-power scm formula power source management control system the most according to claim 1, it is characterised in that: described the
Two DC/DC power transfer module realize the switch of self by the control signal that described monolithic sends.
A kind of low-power scm formula power source management control system the most according to claim 1, it is characterised in that: described work
Make power supply to be connected with described latching circuit module, between be provided with upper electrical switch.
A kind of low-power scm formula power source management control system the most according to claim 1, it is characterised in that: described from
Lock circuit module is connected with described single-chip microcomputer, in order to receive the control signal from single-chip microcomputer.
A kind of low-power scm formula power source management control system the most according to claim 1, it is characterised in that: outside described
Peripheral device includes communication, storage device.
7. according to a kind of low-power scm formula power source management control system described in claim 1 or 4 or 5, it is characterised in that:
Described latching circuit includes that phase inverter, current-limiting resistance, audion, the first divider resistance, the second divider resistance, working power input
End, working power outfan and P-channel MOSFET, described phase inverter is in order to accept from described single-chip microcomputer, clock chip module
Control signal with upper electrical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241540.3U CN205787709U (en) | 2016-03-25 | 2016-03-25 | A kind of low-power scm formula power source management control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241540.3U CN205787709U (en) | 2016-03-25 | 2016-03-25 | A kind of low-power scm formula power source management control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787709U true CN205787709U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620241540.3U Expired - Fee Related CN205787709U (en) | 2016-03-25 | 2016-03-25 | A kind of low-power scm formula power source management control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700441A (en) * | 2016-03-25 | 2016-06-22 | 中国海洋大学 | Low-power-consumption single-chip microcomputer type power supply management control system |
| CN112484863A (en) * | 2020-11-18 | 2021-03-12 | 上海迈外迪网络科技有限公司 | Passenger flow analysis equipment |
-
2016
- 2016-03-25 CN CN201620241540.3U patent/CN205787709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700441A (en) * | 2016-03-25 | 2016-06-22 | 中国海洋大学 | Low-power-consumption single-chip microcomputer type power supply management control system |
| CN112484863A (en) * | 2020-11-18 | 2021-03-12 | 上海迈外迪网络科技有限公司 | Passenger flow analysis equipment |
| CN112484863B (en) * | 2020-11-18 | 2022-02-08 | 上海迈外迪网络科技有限公司 | Passenger flow analysis equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |