CN204258431U - A kind of standby power system quick starting voltage type circuit - Google Patents
A kind of standby power system quick starting voltage type circuit Download PDFInfo
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- CN204258431U CN204258431U CN201420832953.XU CN201420832953U CN204258431U CN 204258431 U CN204258431 U CN 204258431U CN 201420832953 U CN201420832953 U CN 201420832953U CN 204258431 U CN204258431 U CN 204258431U
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Abstract
The utility model discloses a kind of standby power system quick starting voltage type circuit, the first output of AC-DC module is electrically connected with external equipment, and the second output is electrically connected with charging module, and the output of charging module is electrically connected with battery; The output of charging module is electrically connected to the anode of the 14 diode D14, and the negative electrode of the 14 diode D14 is electrically connected with the second output; The anode of controllable accurate source of stable pressure U6 and the anode of the 14 diode D14, be electrically connected between the 60 resistance R60, the 59 resistance R59 with reference to pole, the negative electrode of controllable accurate source of stable pressure U6 is electrically connected with the grid of the 13 power switch pipe Q13; The drain electrode of the 13 power switch pipe Q13 is electrically connected with battery, and source electrode is electrically connected with external equipment.The utility model triggers rapidly when failure powered by main power source and starts stand-by power supply, realize main power source be almost " zero " time-switching to stand-by power supply, guarantee that power consumption equipment normally works the regular hour.
Description
Technical field
The utility model relates to a kind of standby power system quick starting voltage type circuit.
Background technology
Existing many data store and control system needs stand-by power supply, to ensure that main power source system under failure scenarios of powering can normally work certain hour.Power unsuccessfully so just need a circuit to work as main power source, automatically start and cut-in stand-by power supply.Switching time is most important, and the time, long system entered when machine state.Stand-by power supply does not just have its meaning.A lot of system is all detect AC input terminal voltage to fall before, judges that stand-by power supply is the need of restarting.Because ac input voltage is wider, minimum input voltage can only be selected to determine trigger detection circuit voltage.Therefore when middle high-pressure inputs, detection time will be elongated, and the worst situation is that system works as machine, and stand-by power supply starts not yet, so need a kind of standby power system quick starting voltage type circuit.
Utility model content
The purpose of this utility model is pressed with middle and high the problem triggering and start stand-by power supply time length for from AC input testing circuit, provides a kind of standby power system quick starting voltage type circuit.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of standby power system quick starting voltage type circuit, comprises AC-DC module, charging module, battery, controllable accurate source of stable pressure U6 and the 13 power switch pipe Q13;
Described AC-DC module comprises two outputs, and wherein the first output is electrically connected with external equipment, and the second output is electrically connected with described charging module, and the output of described charging module is electrically connected with described battery; The output of described charging module is also electrically connected to the anode of the 14 diode D14 by the 60 resistance R60, the 59 resistance R59, the negative electrode of described 14 diode D14 is electrically connected with described second output;
The anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14, be electrically connected between described 60 resistance R60, the 59 resistance R59 with reference to pole, the negative electrode of described controllable accurate source of stable pressure U6 is electrically connected with the grid of described 13 power switch pipe Q13;
The drain electrode of described 13 power switch pipe Q13 is electrically connected with described battery, and source electrode is electrically connected with external equipment.
Preferably, the 35 electric capacity C35 is also electrically connected with between the reference pole of described controllable accurate source of stable pressure U6 and negative electrode.
Preferably, the 6th voltage stabilizing didoe ZD6 is also electrically connected with between the anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14.
Preferably, the 14 power switch pipe Q14 is also electrically connected with between described 13 power switch pipe Q13 and power consumption equipment; The grid of described 14 power switch pipe Q14 is connected with the cathodic electricity of described controllable accurate source of stable pressure U6, the source electrode of described 14 power switch pipe Q14 is electrically connected with the drain electrode of described 13 power switch pipe Q13, the drain electrode of described 14 power switch pipe Q14 is electrically connected with power consumption equipment, is electrically connected with the 53 resistance R53 between the source electrode of described 14 power switch pipe Q14 and drain electrode.
The standby power system quick starting voltage type circuit that the utility model provides triggers rapidly when failure powered by main power source and starts stand-by power supply, realize main power source be almost " zero " time-switching to stand-by power supply, guarantee that power consumption equipment normally works the regular hour.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the utility model embodiment circuit theory diagrams.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
Embodiment:
As shown in Figure 1, a kind of standby power system quick starting voltage type circuit, comprises AC-DC module, charging module, battery, controllable accurate source of stable pressure U6 and the 13 power switch pipe Q13;
Described AC-DC module is between the first transformer T1A and the 3rd transformer T3A, by the 6th resistance R6, 12 electric capacity C12, 5th resistance R5, 11 electric capacity C11, first diode D1, 6th diode D6 etc. completes rectifying and wave-filtering, and AC-DC module is the first output with the primary coil of the 3rd transformer T3A, secondary coil is that the second output realizes two outputs, wherein the first output is electrically connected with external equipment, by the first resistance R1, second resistance R2, first electric capacity C1, second electric capacity C2, belt carcass inductance L 1, 3rd electric capacity C3 and the 4th electric capacity C4 completes rectifying and wave-filtering, second output is electrically connected with described charging module, by the 4th diode D4, 9th electric capacity C9, tenth electric capacity C10, tenth resistance R10, 11 resistance R11 and the 36 electric capacity C36 completes rectifying and wave-filtering, the output of described charging module is electrically connected with described battery, the output of described charging module is also electrically connected to the anode of the 14 diode D14 by the 60 resistance R60, the 59 resistance R59, the negative electrode of described 14 diode D14 is electrically connected with described second output, the anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14, be electrically connected between described 60 resistance R60, the 59 resistance R59 with reference to pole, the negative electrode of described controllable accurate source of stable pressure U6 is electrically connected with the grid of described 13 power switch pipe Q13, the drain electrode of described 13 power switch pipe Q13 is electrically connected with described battery, and source electrode is electrically connected with external equipment.
By above-described embodiment scheme, when AC-DC module normally works, the first output normal supply external equipment, second output supplies to charging module, charges the battery, and by rectifier diode D14, the anode of U6 and charging module almost no-voltage are poor, and the inner amplifier of U6 is failure to actuate; When AC-DC module irregular working, second output end voltage is lower than reference voltage, wherein reference voltage is determined by controllable accurate source of stable pressure U6 and the 60 resistance R60, the 59 resistance R59, now the grid of the 13 power switch pipe Q13 drags down, and battery power is supplied external equipment by its conducting.
As the improvement of above-described embodiment scheme, between the reference pole of described controllable accurate source of stable pressure U6 and negative electrode, be also electrically connected with the 35 electric capacity C35.
As the improvement of above-described embodiment scheme, between the anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14, be also electrically connected with the 6th voltage stabilizing didoe ZD6.
As the improvement of above-described embodiment scheme, between described 13 power switch pipe Q13 and power consumption equipment, be also electrically connected with the 14 power switch pipe Q14, the grid of described 14 power switch pipe Q14 is connected with the cathodic electricity of described controllable accurate source of stable pressure U6, the source electrode of described 14 power switch pipe Q14 is electrically connected with the drain electrode of described 13 power switch pipe Q13, the drain electrode of described 14 power switch pipe Q14 is electrically connected with power consumption equipment, the 53 resistance R53 is electrically connected with between the source electrode of described 14 power switch pipe Q14 and drain electrode, when AC-DC module normally works, the existence of R53 is in order to allow the VGS>-5V of Q13 and Q14, MOSFET is not open-minded, after AC power down, the anode of U6 and charging module create positive differential pressure, U6 normally works, pressure reduction is greater than the superposition of ZD6 voltage stabilizing value and U6 voltage stabilizing value, Q13 and Q14 drags down by the inner amplifier of U6, MOSFET opens and realizes switching powered battery.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and execution mode, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, embodiment and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.
Claims (4)
1. a standby power system quick starting voltage type circuit, is characterized in that:
Comprise AC-DC module, charging module, battery, controllable accurate source of stable pressure U6 and the 13 power switch pipe Q13;
Described AC-DC module comprises two outputs, and wherein the first output is electrically connected with external equipment, and the second output is electrically connected with described charging module, and the output of described charging module is electrically connected with described battery; The output of described charging module is also electrically connected to the anode of the 14 diode D14 by the 60 resistance R60, the 59 resistance R59, the negative electrode of described 14 diode D14 is electrically connected with described second output;
The anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14, be electrically connected between described 60 resistance R60, the 59 resistance R59 with reference to pole, the negative electrode of described controllable accurate source of stable pressure U6 is electrically connected with the grid of described 13 power switch pipe Q13;
The drain electrode of described 13 power switch pipe Q13 is electrically connected with described battery, and source electrode is electrically connected with external equipment.
2. standby power system quick starting voltage type circuit as claimed in claim 1, is characterized in that:
The 35 electric capacity C35 is also electrically connected with between the reference pole of described controllable accurate source of stable pressure U6 and negative electrode.
3. standby power system quick starting voltage type circuit as claimed in claim 1, is characterized in that:
The 6th voltage stabilizing didoe ZD6 is also electrically connected with between the anode of described controllable accurate source of stable pressure U6 and the anode of described 14 diode D14.
4. standby power system quick starting voltage type circuit as claimed in claim 1, is characterized in that:
The 14 power switch pipe Q14 is also electrically connected with between described 13 power switch pipe Q13 and power consumption equipment; The grid of described 14 power switch pipe Q14 is connected with the cathodic electricity of described controllable accurate source of stable pressure U6, the source electrode of described 14 power switch pipe Q14 is electrically connected with the drain electrode of described 13 power switch pipe Q13, the drain electrode of described 14 power switch pipe Q14 is electrically connected with power consumption equipment, is electrically connected with the 53 resistance R53 between the source electrode of described 14 power switch pipe Q14 and drain electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832953.XU CN204258431U (en) | 2014-12-24 | 2014-12-24 | A kind of standby power system quick starting voltage type circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832953.XU CN204258431U (en) | 2014-12-24 | 2014-12-24 | A kind of standby power system quick starting voltage type circuit |
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| Publication Number | Publication Date |
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| CN204258431U true CN204258431U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420832953.XU Active CN204258431U (en) | 2014-12-24 | 2014-12-24 | A kind of standby power system quick starting voltage type circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521151A (en) * | 2017-10-20 | 2018-09-11 | 威盛电子股份有限公司 | Starting device of battery management circuit and battery management system with same |
-
2014
- 2014-12-24 CN CN201420832953.XU patent/CN204258431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521151A (en) * | 2017-10-20 | 2018-09-11 | 威盛电子股份有限公司 | Starting device of battery management circuit and battery management system with same |
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