CN106027026A - Control circuit for one-way switch of embedded portable device - Google Patents
Control circuit for one-way switch of embedded portable device Download PDFInfo
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- CN106027026A CN106027026A CN201610450755.0A CN201610450755A CN106027026A CN 106027026 A CN106027026 A CN 106027026A CN 201610450755 A CN201610450755 A CN 201610450755A CN 106027026 A CN106027026 A CN 106027026A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/01—Modifications for accelerating switching
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Abstract
The invention discloses a control circuit for a one-way switch of an embedded portable device. The control circuit comprises a battery voltage comparison module, a delay module, an AND gate module, a phase inverter module and a trigger module. The control circuit is characterized in that by use of small-scale integrated circuits, a few capacitors, a few resistors and diodes, a switch circuit which has reliable performance and powerful functions and is applied to an embedded portable system is formed is formed; the control circuit comprises a power button, the voltage comparer IC1, the phase inverter module IC2, the AND gate module IC3, the trigger module IC4 and the delay module consisting of resistors R5-R7, a capacitor C1 and a diode D1; and an inverted output end pin 3 of the trigger module IC4 is connected with a pin 1 of the capacitor C1 through the diode D1 and the resistor R7, thereby forming a circuit capable of rapidly starting up after electrification and forced close-down.
Description
Technical field
The present invention relates to the field of switches of a kind of energized equipment, particularly relate to the control circuit of a kind of one-key switch.
Background technology
Traditional on/off circuit generally uses machinery hard switching, and the break-make being controlled power supply by machinery hard switching realizes switching on and shutting down.Or having the discrete component such as transistor, resistance capacitance to constitute, the on/off circuit being made up of machinery hard switching is the simplest due to function, it is impossible to meets the demand of user, has been rarely employed in present portable set.Being made up of on/off circuit structure discrete component complicated, function is simple, and reliability is low, and power consumption is high, it is difficult to meet the modern day user demand to on/off circuit.
Summary of the invention
The control circuit of a kind of portable embedded tables of equipment key switch of the present invention, described control circuit is made up of with door module, inverter modules and igniter module cell voltage comparison module, time delay module, described cell voltage comparison module includes battery, comparator IC1 and resistance R1-R4, described cell voltage comparison module is connected to in-phase input end the 3rd foot of comparator IC1 by cell voltage after R1 and R2 dividing potential drop, battery cathode ground connection, 1 foot of positive pole connecting resistance R1,2 feet of R1 connect 1 foot of R2, the 2 foot ground connection of R2；Supply voltage is connected to anti-phase phase input the 2nd foot of comparator IC1 after R3 and R4 dividing potential drop, and 1 foot of R3 connects power supply, and 2 feet connect 1 foot of R4, the 2 foot ground connection of R4；R1, R2, R3, R4 arrange the threshold voltage that battery low-electricity quantity can not be started shooting；8 feet of IC1 connect power supply, 4 foot ground connection, and 1 foot connects 3 feet with door IC3,5 feet of IC1,6 feet, 7 feet are unsettled, and time delayed signal and cell voltage that switching on and shutting down button exports through time delay module are connected simultaneously to three inputs with door module through the signal that voltage comparison module exports.
Time delay module is made up of power button, resistance R5-R7, electric capacity C1 and diode D1, described time delay module power button 1 foot ground connection, 1 foot of 2 foot connecting resistance R6,2 feet of R6 connect 1 foot of electric capacity C1, the 2 foot ground connection of C1,1 foot of R5 connects power supply, and 2 feet connect 1 foot of C1, and 2 feet of R7 connect 1 foot of C1,1 foot connects 2 feet of diode D1,1 foot of D1 connects 3 feet of trigger module I C4, after described time delay module accepts switching on and shutting down push button signalling, send time delayed signal send to door module.
Being made up of with door IC3 three inputs with door module, described and door module I C2 5 feet connect power supply, and 2 foot ground connection, 3 inputs are respectively 1 foot, 3 feet, and 6 feet, and 1 foot fetches the soft-off signal from main frame, and 3 feet connect 1 foot of IC1；6 feet connect 1 foot of electric capacity C1, and 4 feet connect 6 feet of IC4, and the outfan of described three inputs and door is connected to the RESET input of igniter module.
Igniter module is made up of trigger IC4,2 feet of described igniter module IC4,7 feet, 8 feet connect power supply, 4 foot ground connection, 1 foot connects 4 feet of IC2, and 3 feet connect 1 foot of diode, and 6 feet connect 4 feet of IC3,5 foot output switch machine control signals, the output of switching on and shutting down button inverted device module is connected to the input of igniter module, and the inverse output terminal of igniter module feeds back to time delay module, the outfan output switch machine signal of igniter module.
Inverter modules is made up of inverter ic 2, and 5 feet of described inverter modules IC2 connect power supply, 3 foot ground connection, and 2 feet connect 2 feet of power button, and 4 feet connect 1 foot of IC4, and 1 foot is unsettled.
Inventive feature constitutes a dependable performance for utilizing small scale integration and a small amount of capacitance resistance and diode, the powerful on/off circuit for portable embedded system, power button, voltage comparator ic 1 is included in structure, inverter modules IC2, with door module I C3, igniter module IC4 and formed time delay module by resistance R5-R7, electric capacity C1, diode D1；Reversed-phase output 3 foot of igniter module IC4, through diode D1,1 foot of resistance R7 adapter C1, constitutes quick turn-on circuit after power on quick turn-on and forced shutdown.
Accompanying drawing explanation
Fig. 1 is the control circuit block diagram of portable embedded tables of equipment key switch.
Fig. 2 is the control circuit circuit diagram of portable embedded tables of equipment key switch.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
The control circuit of a kind of portable embedded tables of equipment key switch of the present invention, described control circuit is made up of with door module, inverter modules and igniter module cell voltage comparison module, time delay module, described cell voltage comparison module includes battery, comparator IC1 and resistance R1-R4, described cell voltage comparison module is connected to in-phase input end the 3rd foot of comparator IC1 by cell voltage after R1 and R2 dividing potential drop, battery cathode ground connection, 1 foot of positive pole connecting resistance R1,2 feet of R1 connect 1 foot of R2, the 2 foot ground connection of R2；Supply voltage is connected to anti-phase phase input the 2nd foot of comparator IC1 after R3 and R4 dividing potential drop, and 1 foot of R3 connects power supply, and 2 feet connect 1 foot of R4, the 2 foot ground connection of R4；R1, R2, R3, R4 arrange the threshold voltage that battery low-electricity quantity can not be started shooting；8 feet of IC1 connect power supply, 4 foot ground connection, and 1 foot connects 3 feet with door IC3,5 feet of IC1,6 feet, 7 feet are unsettled, and time delayed signal and cell voltage that switching on and shutting down button exports through time delay module are connected simultaneously to three inputs with door module through the signal that voltage comparison module exports.
Time delay module is made up of power button, resistance R5-R7, electric capacity C1 and diode D1, described time delay module power button 1 foot ground connection, 1 foot of 2 foot connecting resistance R6,2 feet of R6 connect 1 foot of electric capacity C1, the 2 foot ground connection of C1,1 foot of R5 connects power supply, and 2 feet connect 1 foot of C1, and 2 feet of R7 connect 1 foot of C1,1 foot connects 2 feet of diode D1,1 foot of D1 connects 3 feet of trigger module I C4, after described time delay module accepts switching on and shutting down push button signalling, send time delayed signal send to door module.
Being made up of with door IC3 three inputs with door module, described and door module I C2 5 feet connect power supply, and 2 foot ground connection, 3 inputs are respectively 1 foot, 3 feet, and 6 feet, and 1 foot fetches the soft-off signal from main frame, and 3 feet connect 1 foot of IC1；6 feet connect 1 foot of electric capacity C1, and 4 feet connect 6 feet of IC4, and the outfan of described three inputs and door is connected to the RESET input of igniter module.
Igniter module is made up of trigger IC4,2 feet of described igniter module IC4,7 feet, 8 feet connect power supply, 4 foot ground connection, 1 foot connects 4 feet of IC2, and 3 feet connect 1 foot of diode, and 6 feet connect 4 feet of IC3,5 foot output switch machine control signals, the output of switching on and shutting down button inverted device module is connected to the input end of clock of igniter module, and the inverse output terminal of igniter module feeds back to time delay module, the output switch machine signal of outfan in the same direction of igniter module.
Inverter modules is made up of inverter ic 2, and 5 feet of described inverter modules IC2 connect power supply, 3 foot ground connection, and 2 feet connect 2 feet of power button, and 4 feet connect 1 foot of IC4, and 1 foot is unsettled.
Push switch machine button, exports a high level and is connected to the clock end of igniter module, trigger igniter module upset after switching on and shutting down push button signalling inverted device module, in-phase output end ON_OFF signal uprises, it is achieved start；With the RESET input that the outfan of door module is connected to igniter module, when with the outfan output low level of door module, reset flip-flop module, ON_OFF signal step-down, it is achieved shutdown；It is that three input points any one or multiple input become low level with the condition of the outfan output low level of door module, i.e. when cell voltage is less than arranging value, voltage comparison module input low level, or main frame provides soft-off signal SOFT_OFF step-down, or length makes delay circuit output low level by switch switch；The reversed-phase output of igniter module is connected to time delay module and ensures start shooting immediately by after shutting down in device power or length.
Inventive feature constitutes a dependable performance for utilizing small scale integration and a small amount of capacitance resistance and diode, the powerful on/off circuit for portable embedded system, power button, voltage comparator ic 1 is included in structure, inverter modules IC2, with door module I C3, igniter module IC4 and formed time delay module by resistance R5-R7, electric capacity C1, diode D1；Reversed-phase output 3 foot of igniter module IC4, through diode D1,1 foot of resistance R7 adapter C1, constitutes quick turn-on circuit after power on quick turn-on and forced shutdown.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For the those of ordinary skill of technical field that the present invention belongs to, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. the control circuit of a portable embedded tables of equipment key switch, it is characterized in that: described control circuit is made up of with door module, inverter modules and igniter module cell voltage comparison module, time delay module, described cell voltage comparison module includes battery, comparator IC1 and resistance R1-R4, described cell voltage comparison module is connected to in-phase input end the 3rd foot of comparator IC1 by cell voltage after R1 and R2 dividing potential drop, battery cathode ground connection, 1 foot of positive pole connecting resistance R1,2 feet of R1 connect 1 foot of R2, the 2 foot ground connection of R2；Supply voltage is connected to anti-phase phase input the 2nd foot of comparator IC1 after R3 and R4 dividing potential drop, and 1 foot of R3 connects power supply, and 2 feet connect 1 foot of R4, the 2 foot ground connection of R4；R1, R2, R3, R4 arrange the threshold voltage that battery low-electricity quantity can not be started shooting；8 feet of IC1 connect power supply, 4 foot ground connection, and 1 foot connects 3 feet with door IC3,5 feet of IC1,6 feet, 7 feet are unsettled, and time delayed signal and cell voltage that switching on and shutting down button exports through time delay module are connected simultaneously to three inputs with door module through the signal that voltage comparison module exports.
The control circuit of portable embedded tables of equipment key switch the most according to claim 1, it is characterized in that: time delay module is by power button, resistance R5-R7, electric capacity C1 and diode D1 composition, described time delay module power button 1 foot ground connection, 1 foot of 2 foot connecting resistance R6, 2 feet of R6 connect 1 foot of electric capacity C1, the 2 foot ground connection of C1, 1 foot of R5 connects power supply, 2 feet connect 1 foot of C1, 2 feet of R7 connect 1 foot of C1, 1 foot connects 2 feet of diode D1, 1 foot of D1 connects 3 feet of trigger module I C4, after described time delay module accepts switching on and shutting down push button signalling, send time delayed signal send to door module.
The control circuit of portable embedded tables of equipment key switch the most according to claim 2, it is characterized in that: be made up of with door IC3 three inputs with door module, described and door module I C2 5 feet connect power supply, 2 foot ground connection, 3 inputs are respectively 1 foot, 3 feet, and 6 feet, 1 foot fetches the soft-off signal from main frame, and 3 feet connect 1 foot of IC1；6 feet connect 1 foot of electric capacity C1, and 4 feet connect 6 feet of IC4, and the outfan of described three inputs and door is connected to the RESET input of igniter module.
The control circuit of portable embedded tables of equipment key switch the most according to claim 3, it is characterized in that: igniter module is made up of trigger IC4,2 feet of described igniter module IC4,7 feet, 8 feet connect power supply, 4 foot ground connection, 1 foot connects 4 feet of IC2,3 feet connect 1 foot of diode, 6 feet connect 4 feet of IC3,5 foot output switch machine control signals, and the output of switching on and shutting down button inverted device module is connected to the input of igniter module, the inverse output terminal of igniter module feeds back to time delay module, the outfan output switch machine signal of igniter module.
The control circuit of portable embedded tables of equipment key switch the most according to claim 4, it is characterised in that: inverter modules is made up of inverter ic 2, and 5 feet of described inverter modules IC2 connect power supply, 3 foot ground connection, 2 feet connect 2 feet of power button, and 4 feet connect 1 foot of IC4, and 1 foot is unsettled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610450755.0A CN106027026A (en) | 2016-06-22 | 2016-06-22 | Control circuit for one-way switch of embedded portable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610450755.0A CN106027026A (en) | 2016-06-22 | 2016-06-22 | Control circuit for one-way switch of embedded portable device |
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| Publication Number | Publication Date |
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| CN106027026A true CN106027026A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610450755.0A Pending CN106027026A (en) | 2016-06-22 | 2016-06-22 | Control circuit for one-way switch of embedded portable device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213569A (en) * | 2020-09-23 | 2021-01-12 | 国网福建省电力有限公司 | Device and method for guaranteeing data integrity of handheld nuclear phase instrument of transformer substation in delayed power failure mode |
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| CN101877582A (en) * | 2010-06-22 | 2010-11-03 | 海洋王照明科技股份有限公司 | Single-button on-off control circuit |
| CN101951625A (en) * | 2010-09-30 | 2011-01-19 | 成都三零瑞通移动通信有限公司 | Mobile phone on and off security detection and control device and method |
| CN103138729A (en) * | 2013-01-25 | 2013-06-05 | 温州大学 | No-voltage-type electronic touch switch |
| CN203117669U (en) * | 2012-12-25 | 2013-08-07 | 比亚迪股份有限公司 | Multifunctional control circuit |
| CN103457586A (en) * | 2013-08-08 | 2013-12-18 | 南京熊猫电子股份有限公司 | Method for achieving electronic device shutdown zero power consumption |
| CN204925990U (en) * | 2015-08-26 | 2015-12-30 | 深圳市华旭昌通讯技术有限公司 | Mobile terminal's compulsory shutdown circuit |
-
2016
- 2016-06-22 CN CN201610450755.0A patent/CN106027026A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877582A (en) * | 2010-06-22 | 2010-11-03 | 海洋王照明科技股份有限公司 | Single-button on-off control circuit |
| CN101951625A (en) * | 2010-09-30 | 2011-01-19 | 成都三零瑞通移动通信有限公司 | Mobile phone on and off security detection and control device and method |
| CN203117669U (en) * | 2012-12-25 | 2013-08-07 | 比亚迪股份有限公司 | Multifunctional control circuit |
| CN103138729A (en) * | 2013-01-25 | 2013-06-05 | 温州大学 | No-voltage-type electronic touch switch |
| CN103457586A (en) * | 2013-08-08 | 2013-12-18 | 南京熊猫电子股份有限公司 | Method for achieving electronic device shutdown zero power consumption |
| CN204925990U (en) * | 2015-08-26 | 2015-12-30 | 深圳市华旭昌通讯技术有限公司 | Mobile terminal's compulsory shutdown circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213569A (en) * | 2020-09-23 | 2021-01-12 | 国网福建省电力有限公司 | Device and method for guaranteeing data integrity of handheld nuclear phase instrument of transformer substation in delayed power failure mode |
| CN112213569B (en) * | 2020-09-23 | 2022-11-08 | 国网福建省电力有限公司 | Device and method for guaranteeing data integrity of handheld nuclear phase instrument of transformer substation in delayed power failure mode |
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