CN105024679B - A kind of more trigger source low-power consumption self-locking electronic switch - Google Patents
A kind of more trigger source low-power consumption self-locking electronic switch Download PDFInfo
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- CN105024679B CN105024679B CN201510413810.4A CN201510413810A CN105024679B CN 105024679 B CN105024679 B CN 105024679B CN 201510413810 A CN201510413810 A CN 201510413810A CN 105024679 B CN105024679 B CN 105024679B
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Abstract
The invention discloses a kind of more trigger source low-power consumption self-locking electronic switch, realized using more trigger sources and supply the power supply of electrical equipment control, the electronic switch connects circuit with the second class trigger source being made up of trigger source resistor, optocoupler by the first kind trigger source connection circuit including being made up of a triode and formed；If trigger source altogether, is linked into first kind circuit with electrical equipment；If trigger source and electrical equipment altogether, are not linked into the second class circuit；The source electrode of metal-oxide-semiconductor is connected to the colelctor electrode from lock control triode by two resistors, the grid of metal-oxide-semiconductor is connected to the colelctor electrode from lock control triode by a resistor, and the output end of the output end of first kind circuit and the second class circuit is connected to the colelctor electrode from lock control triode；The first kind connects circuit with the second class trigger source and is respectively provided with earth terminal, is grounded from the emitter stage of lock control triode.The circuit can realize more trigger sources flexibly control and it is low in energy consumption.
Description
Technical field
The invention belongs to electronic switch field.
Background technology
, it is necessary to interior note instrument record product internal signal and working condition during certain Product Development.The product is ground
In system test method and process it is various, it is necessary to it is interior note the self-powered power supply of instrument, can in all kinds of experiments flexibly on electricity, start, examination
It can be automatically powered off after the completion of testing.
The type product small volume, it is impossible to mechanical power switch is provided for interior note instrument, and to examination after the completion of Product Assembly
It may be deposited before testing a couple of days long period to the several months, may suspend after on-test because of various situations and test.
The content of the invention
In view of this, it is that one kind can be realized the invention provides a kind of low-power consumption self-locking electronic switch of more trigger sources
More trigger sources flexibly control and low-power consumption, the reliable electronic switch of function-stable.
In order to achieve the above object, the technical scheme is that：The electronic switch is realized to electricity consumption using more trigger sources
The power supply supply control of equipment, it is characterised in that the electronic switch by metal-oxide-semiconductor, first resistor device, second resistance device, from lock control
Triode processed and first kind trigger source connection circuit and the second class trigger source connection circuit composition.
First kind trigger source connection circuit is only made up of a triode, and the base stage of the triode is as first kind trigger source
Connect the input of circuit, colelctor electrode connects the output end of circuit as first kind trigger source, emitter stage triggers as the first kind
Source connects the earth terminal of circuit.
Second class trigger source connects circuit by trigger source resistor, optocoupler；Wherein trigger source resistor one end is connected to light
On No. 1 pin of coupling, the other end as the second class trigger source connection circuit input, optocoupler No. 2 pins ground connection, No. 3 pipe
Pin connects the earth terminal of the output end of circuit, No. 4 pins as the second class trigger source connection circuit as the second class trigger source.
With electrical equipment altogether, if the input that the trigger source is linked into first kind trigger source connection circuit enters trigger source
Row input；If not altogether, the trigger source is linked into the input of the second class trigger source connection circuit for trigger source and electrical equipment
Inputted.
The annexation of each part is：The source electrode of metal-oxide-semiconductor is connected to from lock control by first resistor device and second resistance device
The colelctor electrode of triode processed, the grid of metal-oxide-semiconductor are connected to the colelctor electrode from lock control triode, the first kind by second resistance device
The output end that the output end of trigger source connection circuit connects circuit with the second class trigger source is connected to from lock control triode
Colelctor electrode；The earth terminal of first kind trigger source connection circuit and the earth terminal of the second class trigger source connection circuit and from lock control
The emitter stage of triode is grounded.
Further, metal-oxide-semiconductor is P-channel or N-channel MOS pipe.
Further, it is identical that circuit triode-type is connected with first kind trigger source from lock control triode, be NPN type or
PNP type triode.
Further, input of the source electrode of metal-oxide-semiconductor as power supply, the output end to drain as power supply will
Metal-oxide-semiconductor, which drains, is connected to the power input interface of electrical equipment, while electrical equipment provides a control terminal, is connected to from lock control
The base stage of triode processed, electrical equipment provide a level signal to from lock control three when needing power supply, by the control terminal
The base stage of pole pipe.
Beneficial effect：
The present invention is ultralow using more trigger sources in order to reach electricity and the purpose of power-off in reliable, flexible control electronics
Power consumption self-locking electronic switch, it is ensured that the electronic equipment for assembling completion is deposited for a long time, and more trigger source and low current triggerings can spirit
It is electric in triggering control electronics living, self-locking power supply and control power-off are may choose whether on electronic equipment after electricity.
Brief description of the drawings
Fig. 1-more trigger sources super low-power consumption self-locking electronic switch principle schematic：
1-metal-oxide-semiconductor, 2-resistor, 3-resistor, 4-triode, 5-triode, 6-resistor, 7-optocoupler.
Embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention is realized using more trigger sources supplies the power supply of electrical equipment control, the electronic switch by
Metal-oxide-semiconductor 1, first resistor device 2, second resistance device 3, from lock control triode 4 and the first kind trigger source connection circuit and second
Class trigger source connection circuit composition.
First kind trigger source connection circuit is only made up of a triode 5, and the base stage of the triode triggers as the first kind
The input of source connection circuit, colelctor electrode connects the output end of circuit as first kind trigger source, emitter stage touches as the first kind
Rise and connect the earth terminal of circuit.
Second class trigger source connects circuit by trigger source resistor 6, optocoupler 7；Wherein one end of trigger source resistor 6 is connected to
On No. 1 pin of optocoupler 7, the other end as the second class trigger source connection circuit input, optocoupler 7 No. 2 pins ground connection, 3
Good pin connects the ground connection of the output end of circuit, No. 4 pins as the second class trigger source connection circuit as the second class trigger source
End.
With electrical equipment altogether, if the input that the trigger source is linked into first kind trigger source connection circuit enters trigger source
Row input；If not altogether, the trigger source is linked into the input of the second class trigger source connection circuit for trigger source and electrical equipment
Inputted.
The annexation of each part is：The drain electrode of metal-oxide-semiconductor 1 connects through first resistor device 2 and second resistance device 3 is connected to
From the colelctor electrode of lock control triode 4, the grid of metal-oxide-semiconductor 1 is connected to the collection from lock control triode 4 by second resistance device 3
Electrode, the output end of first kind trigger source connection circuit connect the output end of circuit with the second class trigger source and are connected to from lock control
The colelctor electrode of triode 4 processed；The earth terminal of first kind trigger source connection circuit and the earth terminal of the second class trigger source connection circuit
And it is grounded from the emitter stage of lock control triode 4.
In the present embodiment, metal-oxide-semiconductor 1 is P-channel or N-channel MOS pipe.Connect from lock control triode 4 and first kind trigger source
It is identical to connect the type of circuit triode 5, is NPN type or PNP type triode.
When using power switch of the switch as electrical equipment, the input of the source electrode of metal-oxide-semiconductor 1 as power supply
End, the output end to drain as power supply, MOS light 1 is drained and is connected to the power input interface of electrical equipment, while electricity consumption
Equipment provides a control terminal, is connected to the base stage from lock control triode 4, and electrical equipment provides an electricity by the control terminal
Ordinary mail number gives the base stage from lock control triode 4.
Metal-oxide-semiconductor can control power end (P-channel) or earth terminal (N-channel) as switching device, and this explanation is with power end
Illustrate its principle exemplified by control, wherein using NPN pipes as trigger controller part, earth terminal control is consistent with its principle, control
Characteristic is opposite.
Shown in Fig. 1, working power is connected to electronic switch " power input " end, and switch " power supply output " end is connected to electronics
Device power supply (DPS) input interface, while " from lock control " end of one control terminal connecting valve of electronic equipment.When " trigger source 1 " arrives
" trigger source n " any one when turning on class triode device, metal-oxide-semiconductor conducting, electricity on electronic equipment.
On electronic equipment after electricity, class triode device of the control " from lock control " before electric trigger source signal is cancelled in triggering
Part turns on, and locks metal-oxide-semiconductor conducting state, realizes switch self-locking.When electronic equipment needs power-off, the class " from lock control " is controlled
Triode device ends, if outside without " trigger source " signal, metal-oxide-semiconductor cut-off, electronic equipment power-off.
The principle of the present invention is as follows：
For the metal-oxide-semiconductor of power management, when it ends shut-off, typical leakage current be 100nA, and during conducting, typical case turns on
Resistance is 0.06 Ω, is especially suitable for the core devices as low power dissipation electron switch.For P-channel metal-oxide-semiconductor, when gate pole and source electrode
Between voltage VGSWhen opening threshold voltage more than it, metal-oxide-semiconductor conducting, as shown in Figure 1, it is assumed that the resistance value of resistor 2 is R2, electricity
It is R3 to hinder the resistance value of device 3, when all trigger control ends include ending class triode device from lock control, V on metal-oxide-semiconductorGS≈
0V, much smaller than threshold voltage is opened, metal-oxide-semiconductor ends；When any one class triode device turns on,Wherein VinFor input voltage value, R2 and R3 value is controlled, makes VGSMore than threshold voltage is opened, can make
MOS is turned on.Turned on and ended with multiple class triode device Parallel Control metal-oxide-semiconductors, wherein being used to itself lock all the way, you can real
Now flexible more trigger source super low-power consumption self-locking electronic switch.With class triode device as trigger controller part, also there is control
The characteristics of electric current processed is small.
The electronic switch principle is easy, and simple in construction, number of devices is few.It can be formed from the electronic component of different parameters
Suitable for various occasion operating voltages, more trigger source super low-power consumption self-locking electronic switch of operating current, meet small size, inorganic
Tool switch, flexibly long-term standby storage, upper electric, the small trigger current of triggering, the demand of Self-disconnecting.
Using the class triode device such as optocoupler, the triggering control of isolation can be realized, can had compared with strong electromagnetic interference environment
Use the present invention.
To sum up, presently preferred embodiments of the present invention is these are only, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in
Within the scope of.
Claims (4)
1. a kind of more trigger source low-power consumption self-locking electronic switch, realized using more trigger sources and supply control to the power supply of electrical equipment
System, it is characterised in that the electronic switch by metal-oxide-semiconductor (1), first resistor device (2), second resistance device (3), from lock control triode
(4) and first kind trigger source connects circuit and the second class trigger source connection circuit composition；
The first kind trigger source connection circuit is only made up of a triode (5), and the base stage of the triode is touched as the first kind
The connection input of circuit, the colelctor electrode of rising connect the output end of circuit, emitter stage as the first kind as first kind trigger source
Trigger source connects the earth terminal of circuit；
The second class trigger source connection circuit is made up of trigger source resistor (6), optocoupler (7)；Wherein trigger source resistor (6)
One end is connected on No. 1 pin of optocoupler (7), input of the other end as the second class trigger source connection circuit, optocoupler (7)
No. 2 pin ground connection, No. 3 pins connect the output end of circuit as the second class trigger source, No. 4 pins connect as the second class trigger source
Connect the earth terminal of circuit；
If with electrical equipment altogether, the input progress that the trigger source is linked into first kind trigger source connection circuit is defeated for trigger source
Enter；
If not altogether, the input that the trigger source is linked into the second class trigger source connection circuit is carried out for trigger source and electrical equipment
Input；
The annexation of each part is：The source electrode of metal-oxide-semiconductor (1) is connected with one end of first resistor device (2), first resistor device (2)
The other end be connected with one end of second resistance device (3), the other end of second resistance device (3) is connected to from lock control triode
(4) colelctor electrode, the grid of metal-oxide-semiconductor (1) are connected to the colelctor electrode from lock control triode (4) by second resistance device (3), and
The output end that the output end of a kind of trigger source connection circuit connects circuit with the second class trigger source is connected to from the pole of lock control three
Manage the colelctor electrode of (4)；The first kind trigger source connection circuit earth terminal and the second class trigger source connection circuit earth terminal and
It is grounded from the emitter stage of lock control triode (4).
A kind of 2. more trigger source low-power consumption self-locking electronic switch according to claim 1, it is characterised in that：The metal-oxide-semiconductor
(1) it is P-channel or N-channel MOS pipe.
A kind of 3. more trigger source low-power consumption self-locking electronic switch according to claim 1 or 2, it is characterised in that：It is described from
It is identical that lock control triode (4) connects circuit triode (5) type with the first kind trigger source, is NPN type or the pole of positive-negative-positive three
Pipe.
A kind of 4. more trigger source low-power consumption self-locking electronic switch according to claim 1, it is characterised in that：The metal-oxide-semiconductor
(1) input of the source electrode as power supply, the output end to drain as power supply, metal-oxide-semiconductor (1) drain electrode is connected to use
The power input interface of electric equipment, while electrical equipment provides a control terminal, is connected to the base from lock control triode (4)
Pole, electrical equipment provide a level signal to the base from lock control triode (4) when needing power supply, by the control terminal
Pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413810.4A CN105024679B (en) | 2015-07-14 | 2015-07-14 | A kind of more trigger source low-power consumption self-locking electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413810.4A CN105024679B (en) | 2015-07-14 | 2015-07-14 | A kind of more trigger source low-power consumption self-locking electronic switch |
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| Publication Number | Publication Date |
|---|---|
| CN105024679A CN105024679A (en) | 2015-11-04 |
| CN105024679B true CN105024679B (en) | 2017-11-21 |
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| CN201510413810.4A Expired - Fee Related CN105024679B (en) | 2015-07-14 | 2015-07-14 | A kind of more trigger source low-power consumption self-locking electronic switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107703810B (en) * | 2017-10-25 | 2020-06-05 | 上海应用技术大学 | Self-locking electronic switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437342A (en) * | 2008-12-24 | 2009-05-20 | 米万里 | Low energy consumption monopole electronic switching circuit and micro energy consumption brightening circuit of indicating lamp |
| CN201352783Y (en) * | 2009-02-20 | 2009-11-25 | 徐晓忠 | Electronic switching device |
| CN101986508A (en) * | 2010-12-03 | 2011-03-16 | 安徽力高新能源技术有限公司 | Battery equalizing device |
| CN102393893A (en) * | 2011-09-30 | 2012-03-28 | 河南腾龙信息工程有限公司 | Switching holding control circuit |
| CN204794948U (en) * | 2015-07-14 | 2015-11-18 | 中国船舶重工集团公司第七一〇研究所 | Source low -power consumption auto -lock electronic switch that trigger more |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539018B (en) * | 2014-12-26 | 2017-12-22 | 英华达（上海）科技有限公司 | Electronic installation and electricity saving method |
-
2015
- 2015-07-14 CN CN201510413810.4A patent/CN105024679B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437342A (en) * | 2008-12-24 | 2009-05-20 | 米万里 | Low energy consumption monopole electronic switching circuit and micro energy consumption brightening circuit of indicating lamp |
| CN201352783Y (en) * | 2009-02-20 | 2009-11-25 | 徐晓忠 | Electronic switching device |
| CN101986508A (en) * | 2010-12-03 | 2011-03-16 | 安徽力高新能源技术有限公司 | Battery equalizing device |
| CN102393893A (en) * | 2011-09-30 | 2012-03-28 | 河南腾龙信息工程有限公司 | Switching holding control circuit |
| CN204794948U (en) * | 2015-07-14 | 2015-11-18 | 中国船舶重工集团公司第七一〇研究所 | Source low -power consumption auto -lock electronic switch that trigger more |
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| CN105024679A (en) | 2015-11-04 |
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