CN204794948U - Source low -power consumption auto -lock electronic switch that trigger more - Google Patents
Source low -power consumption auto -lock electronic switch that trigger more Download PDFInfo
- Publication number
- CN204794948U CN204794948U CN201520510359.3U CN201520510359U CN204794948U CN 204794948 U CN204794948 U CN 204794948U CN 201520510359 U CN201520510359 U CN 201520510359U CN 204794948 U CN204794948 U CN 204794948U
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- China
- Prior art keywords
- trigger source
- connecting circuit
- triode
- source connecting
- power consumption
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Abstract
The utility model discloses a source low -power consumption auto -lock electronic switch that trigger more adopts the source of triggering more and realizes controlling the supply voltage of consumer, and this electronic switch is by including that the first kind of compriseing a triode triggers the source connecting circuit and triggers the source connecting circuit and constitute by triggering second class that source series resistance ware, opto -coupler constitute, if source of triggering and consumer are altogether, then insert first kind circuit, if source of triggering and consumer are not not altogether, then insert second class circuit, the source electrode of MOS pipe is connected to the collecting electrode that the triode was controlled in the auto -lock through two resistors, and the grid of MOS pipe is connected to the collecting electrode that the triode was controlled in the auto -lock through a resistor, and the output of first kind circuit and the output of second class circuit all are connected to the collecting electrode of auto -lock control triode, the first kind and second class trigger the equal ground connection of projecting pole that the source connecting circuit all has earthing terminal, auto -lock control triode. Nimble control in source and low power dissipation can be realized triggering by this circuit more.
Description
Technical field
The utility model belongs to electronic switch field.
Background technology
In certain Product Development process, note instrument record product internal signal and operating state in needing.In this product development test method and process various, in needing, note instrument self-powered power supply, can power on flexibly, start in all kinds of test, energy auto-breaking after test.
This type product volume is little, can not provide mechanical power switch for interior note instrument, and Product Assembly may deposit a couple of days long period to the several months after completing before test, may suspend test after on-test because of various situation.
Summary of the invention
In view of this, the utility model provides a kind of low-power consumption self-locking electronic switch of many trigger sources, be one can realize many trigger sources control flexibly and low-power consumption, the reliable electronic switch of function-stable.
In order to achieve the above object, the technical solution of the utility model is: this electronic switch adopts many trigger sources to realize controlling the power supply supply of power consumption equipment, it is characterized in that, this electronic switch is by metal-oxide-semiconductor, the first resistor, the second resistor, form from lock control triode and first kind trigger source connecting circuit and Equations of The Second Kind trigger source connecting circuit.
First kind trigger source connecting circuit is only made up of a triode, the base stage of this triode as the input of first kind trigger source connecting circuit, collector electrode as the output of first kind trigger source connecting circuit, emitter as the earth terminal of first kind trigger source connecting circuit.
Equations of The Second Kind trigger source connecting circuit is by trigger source resistor, optocoupler; Wherein trigger source resistor one end be connected on No. 1 pin of optocoupler, the other end as the input of Equations of The Second Kind trigger source connecting circuit, No. 2 pin ground connection of optocoupler, No. 3 pins as the output of Equations of The Second Kind trigger source connecting circuit, No. 4 pins as the earth terminal of Equations of The Second Kind trigger source connecting circuit.
If trigger source and power consumption equipment are altogether, then the input that this trigger source is linked into first kind trigger source connecting circuit inputs; If trigger source and power consumption equipment are not altogether, then the input that this trigger source is linked into Equations of The Second Kind trigger source connecting circuit inputs.
The annexation of each parts is: the source electrode of metal-oxide-semiconductor is connected to the collector electrode from lock control triode by the first resistor and the second resistor, the grid of metal-oxide-semiconductor is connected to the collector electrode from lock control triode by the second resistor, and the output of first kind trigger source connecting circuit and the output of Equations of The Second Kind trigger source connecting circuit are all connected to the collector electrode from lock control triode; The earth terminal of first kind trigger source connecting circuit and the earth terminal of Equations of The Second Kind trigger source connecting circuit and from the equal ground connection of the emitter of lock control triode.
Further, metal-oxide-semiconductor is P raceway groove or N-channel MOS pipe.
Further, identical with first kind trigger source connecting circuit triode-type from lock control triode, be NPN type or PNP type triode.
Further, the source electrode of metal-oxide-semiconductor is as the input of power supply, drain as the output of power supply, metal-oxide-semiconductor drain electrode is connected to the power input interface of power consumption equipment, power consumption equipment provides a control end simultaneously, be connected to the base stage from lock control triode, power consumption equipment, when needs are powered, provides a level signal to the base stage from lock control triode by this control end.
Beneficial effect:
The utility model in order to reach reliable, control electronic equipment flexibly and power on and the object of power-off, use many trigger sources super low-power consumption self-locking electronic switch, the electronic equipment long-term storage of having assembled can be ensured, many trigger sources and small area analysis trigger and can power on by trigging control electronic equipment flexibly, can select whether self-locking power supply and control power-off after electronic equipment powers on.
Accompanying drawing explanation
Fig. 1-many 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
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, the utility model adopts many trigger sources to realize controlling the power supply supply of power consumption equipment, and this electronic switch is by metal-oxide-semiconductor 1, first resistor 2, second resistor 3, form from lock control triode 4 and first kind trigger source connecting circuit and Equations of The Second Kind trigger source connecting circuit.
First kind trigger source connecting circuit is only made up of a triode 5, the base stage of this triode as the input of first kind trigger source connecting circuit, collector electrode as the output of first kind trigger source connecting circuit, emitter as the earth terminal of first kind trigger source connecting circuit.
Equations of The Second Kind trigger source connecting circuit is by trigger source resistor 6, optocoupler 7; Wherein trigger source resistor 6 one end be connected on No. 1 pin of optocoupler 7, the other end as the input of Equations of The Second Kind trigger source connecting circuit, No. 2 pin ground connection of optocoupler 7,3 good pins as the output of Equations of The Second Kind trigger source connecting circuit, No. 4 pins as the earth terminal of Equations of The Second Kind trigger source connecting circuit.
If trigger source and power consumption equipment are altogether, then the input that this trigger source is linked into first kind trigger source connecting circuit inputs; If trigger source and power consumption equipment are not altogether, then the input that this trigger source is linked into Equations of The Second Kind trigger source connecting circuit inputs.
The annexation of each parts is: the drain electrode of metal-oxide-semiconductor 1 connects and is connected to collector electrode from lock control triode 4 by the first resistor 2 and the second resistor 3, the grid of metal-oxide-semiconductor 1 is connected to the collector electrode from lock control triode 4 by the second resistor 3, and the output of first kind trigger source connecting circuit and the output of Equations of The Second Kind trigger source connecting circuit are all connected to the collector electrode from lock control triode 4; The earth terminal of first kind trigger source connecting circuit and the earth terminal of Equations of The Second Kind trigger source connecting circuit and from the equal ground connection of the emitter of lock control triode 4.
In the present embodiment, metal-oxide-semiconductor 1 is P raceway groove or N-channel MOS pipe.Identical with first kind trigger source connecting circuit triode 5 type from lock control triode 4, be NPN type or PNP type triode.
When the power switch using this switch as power consumption equipment, the source electrode of metal-oxide-semiconductor 1 is as the input of power supply, drain as the output of power supply, MOS light 1 drain electrode is connected to the power input interface of power consumption equipment, power consumption equipment provides a control end simultaneously, be connected to the base stage from lock control triode 4, power consumption equipment provides a level signal to the base stage from lock control triode 4 by this control end.
Metal-oxide-semiconductor can control power end (P raceway groove) or earth terminal (N raceway groove) as switching device, this explanation illustrates its principle for power end control, wherein use NPN pipe as trigging control device, earth terminal controls consistent with its principle, and control characteristic is contrary.
Shown in Fig. 1, working power is connected to electronic switch " power supply input " end, and switch " power supply output " end is connected to electronic equipment power source input interface, simultaneously " from lock control " end of an electronic equipment control end connecting valve.When " trigger source 1 " to " trigger source n ", any one makes the conducting of class triode device, metal-oxide-semiconductor conducting, electronic equipment powers on.
After electronic equipment powers on, before triggering the trigger source signal powered on and cancelling, control the class triode device conducting of " from lock control ", metal-oxide-semiconductor conducting state is locked, realizes switch self-locking.When electronic equipment needs power-off, control the class triode device cut-off of " from lock control ", if outside without " trigger source " signal, then metal-oxide-semiconductor cut-off, electronic equipment power-off.
Principle of the present utility model is as follows:
For the metal-oxide-semiconductor of power management, when its cut-off turns off, typical leakage current is 100nA, and during conducting, typical conducting resistance is 0.06 Ω, is applicable to very much the core devices as low power dissipation electron switch.For P channel MOS tube, the voltage V between gate pole and source electrode
gSwhen being greater than its door capable of being opened voltage limit, metal-oxide-semiconductor conducting, as shown in Figure 1, suppose that resistor 2 resistance value is R2, resistor 3 resistance value is R3, when all trigger control end comprise from lock control, class triode device is ended time, V on metal-oxide-semiconductor
gS≈ 0V, much smaller than door capable of being opened voltage limit, metal-oxide-semiconductor ends; When any one class triode device conducting,
wherein V
infor input voltage value, the value of control R2 and R3, makes V
gSbe greater than door capable of being opened voltage limit, MOS conducting can be made.With the metal-oxide-semiconductor conducting of multiple class triode device Parallel Control and cut-off, wherein a road is used for self locking, can realize many trigger sources super low-power consumption self-locking electronic switch flexibly.With class triode device as trigging control device, also have and control the little feature of electric current.
This electronic switch principle is easy, and structure is simple, and number of devices is few.Select the electronic devices and components of different parameters to form to be applicable to many trigger sources super low-power consumption self-locking electronic switch of various occasion operating voltage, operating current, meet small size, mechanical switch, long-term standby storage, flexibly trigger power on, the demand of little trigger current, Self-disconnecting.
Use the class triode device such as optocoupler, can realize the trigging control of isolation, comparatively can use the utility model under strong electromagnetic interference environment having.
To sum up, these are only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the self-locking electronic switch of trigger source low-power consumption more than a kind, many trigger sources are adopted to realize controlling the power supply supply of power consumption equipment, it is characterized in that, this electronic switch is by metal-oxide-semiconductor (1), the first resistor (2), the second resistor (3), form from lock control triode (4) and first kind trigger source connecting circuit and Equations of The Second Kind trigger source connecting circuit;
Described first kind trigger source connecting circuit is only made up of a triode (5), the base stage of this triode as the input of first kind trigger source connecting circuit, collector electrode as the output of first kind trigger source connecting circuit, emitter as the earth terminal of first kind trigger source connecting circuit;
Described Equations of The Second Kind trigger source connecting circuit is by trigger source resistor (6), optocoupler (7); Wherein trigger source resistor (6) one end be connected on No. 1 pin of optocoupler (7), the other end as the input of Equations of The Second Kind trigger source connecting circuit, No. 2 pin ground connection of optocoupler (7), No. 3 pins as the output of Equations of The Second Kind trigger source connecting circuit, No. 4 pins as the earth terminal of Equations of The Second Kind trigger source connecting circuit;
If trigger source and power consumption equipment are altogether, then the input that this trigger source is linked into first kind trigger source connecting circuit inputs;
If trigger source and power consumption equipment are not altogether, then the input that this trigger source is linked into Equations of The Second Kind trigger source connecting circuit inputs;
The annexation of each parts is: the source electrode of metal-oxide-semiconductor (1) is connected to the collector electrode from lock control triode (4) by the first resistor (2) and the second resistor (3), the grid of metal-oxide-semiconductor (1) is connected to the collector electrode from lock control triode (4) by the second resistor (3), and the output of first kind trigger source connecting circuit and the output of Equations of The Second Kind trigger source connecting circuit are all connected to the collector electrode from lock control triode (4); The earth terminal of first kind trigger source connecting circuit and the earth terminal of Equations of The Second Kind trigger source connecting circuit and the equal ground connection of emitter from lock control triode (4).
2. one many trigger sources low-power consumption self-locking electronic switch according to claim 1, is characterized in that: described metal-oxide-semiconductor (1) is P raceway groove or N-channel MOS pipe.
3. one many trigger sources low-power consumption self-locking electronic switch according to claim 1 and 2, it is characterized in that: described identical with described first kind trigger source connecting circuit triode (5) type from lock control triode (4), is NPN type or PNP type triode.
4. one many trigger sources low-power consumption self-locking electronic switch according to claim 1, it is characterized in that: the source electrode of described metal-oxide-semiconductor (1) is as the input of power supply, drain as the output of power supply, metal-oxide-semiconductor (1) drain electrode is connected to the power input interface of power consumption equipment, power consumption equipment provides a control end simultaneously, be connected to the base stage from lock control triode (4), power consumption equipment, when needs are powered, provides a level signal to the base stage from lock control triode (4) by this control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510359.3U CN204794948U (en) | 2015-07-14 | 2015-07-14 | Source low -power consumption auto -lock electronic switch that trigger more |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510359.3U CN204794948U (en) | 2015-07-14 | 2015-07-14 | Source low -power consumption auto -lock electronic switch that trigger more |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794948U true CN204794948U (en) | 2015-11-18 |
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ID=54534918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520510359.3U Expired - Fee Related CN204794948U (en) | 2015-07-14 | 2015-07-14 | Source low -power consumption auto -lock electronic switch that trigger more |
Country Status (1)
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| CN (1) | CN204794948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024679A (en) * | 2015-07-14 | 2015-11-04 | 中国船舶重工集团公司第七一〇研究所 | Multi-triggering source low-power dissipation self-locking electronic switch |
-
2015
- 2015-07-14 CN CN201520510359.3U patent/CN204794948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024679A (en) * | 2015-07-14 | 2015-11-04 | 中国船舶重工集团公司第七一〇研究所 | Multi-triggering source low-power dissipation self-locking electronic switch |
| CN105024679B (en) * | 2015-07-14 | 2017-11-21 | 中国船舶重工集团公司第七一〇研究所 | A kind of more trigger source low-power consumption self-locking electronic switch |
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Legal Events
| 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: 20151118 Termination date: 20180714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |