CN204361774U - Emergency power supply - Google Patents
Emergency power supply Download PDFInfo
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- CN204361774U CN204361774U CN201420826342.4U CN201420826342U CN204361774U CN 204361774 U CN204361774 U CN 204361774U CN 201420826342 U CN201420826342 U CN 201420826342U CN 204361774 U CN204361774 U CN 204361774U
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- 238000004804 winding Methods 0.000 claims description 46
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses an emergency power supply, include: the device comprises an AC detection circuit, a control circuit, a push-pull boosting circuit and an inverter circuit; the input end of the AC detection circuit is used for inputting an AC power supply, and the output end of the AC detection circuit is connected to the input end of the control circuit; the control end of the control circuit is connected with the controlled end of the push-pull boosting circuit; the input end of the push-pull booster circuit is used for inputting a standby power supply, the output end of the push-pull booster circuit is connected with the input end of the inverter circuit, and the output end of the inverter circuit is used for supplying power to electrical equipment. The utility model discloses an emergency power supply can switch to by stand-by power supply when the commercial power outage, guarantees electrical equipment normal operating, especially is applicable to at air conditioner power.
Description
Technical field
The utility model relates to power circuit field, is specifically related to a kind of emergency power supply.
Background technology
Electric equipment (such as the electric equipment such as air-conditioning, refrigerator) common at present in the event of a power failure, substantially all cannot carry out work.Such as often occur supply station excess load and power-off in summer, air-conditioning cannot use and make backing hot.General may have generator for major company, enterprise or factory and solve power cut problem, but for there is no the device of above-mentioned generating general user, can only wait for that city power recovery normally re-uses electric equipment, but this be undoubtedly for user brings a lot of inconvenience.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of emergency power supply, can switch to powered by stand-by power supply when civil power power-off, ensures that electric equipment normally runs.
In order to achieve the above object, the utility model embodiment is by the following technical solutions:
A kind of emergency power supply, comprising:
AC testing circuit, control circuit, recommend booster circuit and inverter circuit;
The input of described AC testing circuit is for inputting AC power supplies (AC power), and the output of described AC testing circuit is connected to the input of described control circuit;
The controlled end of booster circuit is recommended described in the control end connection of described control circuit;
Described input of recommending booster circuit for inputting stand-by power supply, described in recommend booster circuit output be connected with the input of described inverter circuit; The output of described inverter circuit is used for powering for electric equipment
The emergency power supply that the utility model embodiment provides, is detected in real time AC power supplies by described AC testing circuit, and described control circuit is delivered in testing result instruction; Described control circuit controls to recommend booster circuit work when receiving cut-offing instruction; Described booster circuit of recommending is for promoting the voltage of stand-by power supply; Through described inverter circuit, direct voltage is converted to alternating voltage again after boosting, charger equipment use.Even if thus after civil power power-off, also by emergency power supply of the present utility model electric equipment powered and electric equipment is normally run.
Further, described AC testing circuit comprises voltage acquisition electronic circuit and a switching tube; The input of described voltage acquisition electronic circuit is for gathering AC power supplies, and the output of described voltage acquisition electronic circuit is connected to the control end of described switching tube; The output of described switching tube is connected to the input of described control circuit.
Further, described voltage acquisition electronic circuit comprises the first resistance, optocoupler, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance; Described switching tube is triode;
One end of described first resistance is the input of described voltage acquisition electronic circuit, and the other end connects the first end of described optocoupler; Second end ground connection of described optocoupler;
One end of described second resistance connects DC power supply, and the other end connects the 3rd end of described optocoupler; 4th end of described optocoupler is connected to the base stage of described triode by described 3rd resistance;
The base stage of described triode passes through described 4th grounding through resistance, its grounded emitter, and its collector electrode connects described DC power supply by described 5th resistance; The output of the very described switching tube of current collection of described triode.Adopt the benefit of light-coupled isolation to be herein: signal is one-way transmission, input and output fully achieve electrical isolation isolates, and outputs signal on input without impact, and antijamming capability is strong, and working stability, contactless, long service life, efficiency of transmission is high.Thus higher for accuracy of detection AC testing circuit.
Further, recommend booster circuit described in and comprise transformer; The former limit of described transformer has the winding of two series connection, and the common port of two windings is for inputting stand-by power supply; Other one end of two windings drives with a metal-oxide-semiconductor respectively and is connected; The vice-side winding of described transformer is connected with the input of a rectifier bridge; The output of described rectifier bridge for described in recommend the output of booster circuit; The number of turn of described vice-side winding is greater than the number of turn of two windings on former limit.
Further, described metal-oxide-semiconductor comprises the first NMOS tube and the second NMOS tube; Described booster circuit of recommending also comprises the 6th resistance; Described former limit winding comprises the first former limit winding and the second former limit winding;
The drain electrode of described first NMOS tube connects the first end of described first former limit winding; The grid of described first NMOS tube for described in recommend the first controlled end of booster circuit, be connected with the first control end of described control circuit
The drain electrode of described second NMOS tube connects the first end of described second former limit winding; The source electrode of described second NMOS tube is connected with the source electrode of described first NMOS tube, and by described 6th grounding through resistance; The grid of described second NMOS tube for described in recommend the second controlled end of booster circuit, be connected with the second control end of described control circuit;
Second end of described first former limit winding and the second end of described second former limit winding are connected to the power output end of described stand-by power supply jointly;
The first end of described vice-side winding is connected to the first input end of described rectifier bridge, and the second end of described vice-side winding is connected to the second input of described rectifier bridge;
The output of described rectifier bridge for described in recommend the output of booster circuit.
Describedly recommend booster circuit on the former limit of transformer by control two NMOS tube compartment of terrain conductings, make secondary produce the alternating voltage being proportional to backup power source voltage, and be converted to direct voltage by rectifier bridge.The waveform of described first NMOS tube and each responsible positive-negative half-cycle of the second NMOS tube amplifies task, and during circuit working, two symmetrical NMOS tube only have a conducting, so the little efficiency of conduction loss is high at every turn.
Further, described inverter circuit comprises the 3rd NMOS tube, the 4th NMOS tube, the 5th NMOS tube, the 6th NMOS tube, the 7th resistance, the first inductance and the first electric capacity;
The drain electrode of described 3rd NMOS tube is connected with the drain electrode of described 5th NMOS tube, is the input of described inverter circuit; The source electrode of described 3rd NMOS tube connects the drain electrode of described 4th NMOS tube; The grid of described 3rd NMOS tube is connected with the 3rd control end of described control circuit;
The grid of described 4th NMOS tube is connected with the 4th control end of described control circuit;
The source electrode of described 5th NMOS tube connects the drain electrode of described 6th NMOS tube; The grid of described 5th NMOS tube is connected with the 5th control end of described control circuit;
The grid of described 6th NMOS tube is connected with the 6th control end of described control circuit;
The source electrode of described 4th NMOS tube is connected with the source electrode of described 6th NMOS tube, and by described 7th grounding through resistance;
The source electrode of described 3rd NMOS tube is connected to the source electrode of described 5th NMOS tube via described first inductance and described first electric capacity; Described first electric capacity two ends be the output of described inverter circuit.What adopt here is full bridge inversion circuit, comprise 4 switching tubes, only have two switching tube conductings (the 3rd NMOS tube and the 6th NMOS tube/the 4th NMOS tube and the 5th NMOS tube) at diagonal angle in the course of work at every turn, in alternately handoff procedure, export required alternating voltage.
Further, described emergency power supply also comprises power source charges management circuit; The input of described power source charges management circuit is for accessing AC power supplies, and its output connects the charging input end of described stand-by power supply; The controlled end of described power source charges management circuit is connected with the control end of described control circuit.Described power source charges management circuit is used for charging to described stand-by power supply when AC power supplies connects.
Further, described emergency power supply also comprises linear voltage-stabilizing circuit; The input of described linear voltage-stabilizing circuit connects described stand-by power supply; The output of described linear voltage-stabilizing circuit connects the power end of described control circuit.Described linear voltage-stabilizing circuit is used for when AC power supplies power-off, backup power source voltage is converted to the operating voltage needed for described control circuit.
Further, described emergency power supply also comprises power protecting circuit; The input of described power protecting circuit circuit connects described stand-by power supply, and output connects described and described control circuit.Described power protecting circuit can come to described control circuit feedback signal according to the dump energy of stand-by power supply, and described control signal controls stand-by power supply electric discharge according to feedback signal, avoids stand-by power supply over-discharge can, the life-span is declined.
Further, described emergency power supply also comprises remote-control receiving circuit; Described remote-control receiving circuit is connected with described control circuit.Described remote-control receiving circuit is for receiving the wind speed adjustment signal of air-conditioning remote control, and described control circuit controls the output voltage of inverter circuit frequency according to wind speed adjustment signal changes rotation speed of the fan.
Further, described emergency power supply also comprises status display circuit; Described status display circuit is connected with described control circuit.Described status display circuit is for showing electricity and the indoor fan rotating speed of stand-by power supply.
Compared to prior art, the beneficial effect of a kind of emergency power supply that the utility model embodiment provides is: detected in real time AC power supplies by described AC testing circuit, and described control circuit is delivered in testing result instruction; When civil power power-off, described control circuit receives the cut-offing instruction of AC testing circuit, controls to recommend booster circuit work; Described booster circuit of recommending is for promoting the voltage of stand-by power supply; Through described inverter circuit, direct voltage is converted to alternating voltage again after boosting, charger equipment use.Even if thus after civil power power-off, also power to electric equipment by emergency power supply of the present utility model, keep the normal operation of electric equipment.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of emergency power supply of the utility model embodiment;
Fig. 2 is the circuit diagram of the AC testing circuit in Fig. 1;
Fig. 3 is the circuit diagram of recommending booster circuit in Fig. 1;
Fig. 4 is the circuit diagram of the inverter circuit in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Refer to Fig. 1, it is the theory diagram of a kind of emergency power supply that the utility model embodiment provides, and described emergency power supply comprises: AC testing circuit 1, control circuit 2, recommend booster circuit 3 and inverter circuit 4.
The input of described AC testing circuit 1 is for inputting AC power supplies VAC, and the output of described AC testing circuit 1 is connected to the input of described control circuit 2;
The controlled end of booster circuit 3 is recommended described in the control end connection of described control circuit 2;
Described input of recommending booster circuit 3 for inputting stand-by power supply Vbat, described in recommend booster circuit 3 output be connected with the input of described inverter circuit 4; The output of described inverter circuit 4 is used for powering for electric equipment.
Wherein, described AC testing circuit 1 comprises voltage acquisition electronic circuit and a switching tube; The input of described voltage acquisition electronic circuit is for gathering AC power supplies VAC, and the output of described voltage acquisition electronic circuit is connected to the control end of described switching tube; The output of described switching tube is connected to the input of described control circuit.After described voltage acquisition electronic circuit gathers AC power supplies VAC, according to the break-make gathering voltage swing control switch pipe, thus output detection signal is to control circuit 2.
Particularly, as shown in Figure 2, it is the circuit diagram of the AC testing circuit 1 in Fig. 1.
Described voltage acquisition electronic circuit comprises the first resistance R1, optocoupler OC, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 and the 5th resistance R5; Described switching tube is triode Q1;
One end of described first resistance R1 connects AC power supplies VAC, and the other end connects the first end of described optocoupler OC; The second end ground connection of described optocoupler OC;
One end of described second resistance R2 connects DC power supply, and the other end connects the 3rd end of described optocoupler OC; 4th end of described optocoupler OC is connected to the base stage of described triode Q1 by described 3rd resistance R3;
The base stage of described triode Q1 passes through described 4th resistance R4 ground connection, its grounded emitter, and its collector electrode connects described DC power supply by described 5th resistance R5; The output of the very described AC testing circuit 1 of current collection of described triode Q1.The output output detections voltage Vdet of described AC testing circuit 1 is to control circuit.
Wherein, recommend booster circuit 3 described in and comprise transformer; The former limit of described transformer has the winding of two series connection, and the common port of two windings is for inputting stand-by power supply Vbat; Other one end of two windings drives with a metal-oxide-semiconductor respectively and is connected; The vice-side winding of described transformer is connected with the input of a rectifier bridge; The output of described rectifier bridge for described in recommend the output of booster circuit 3; The number of turn of described vice-side winding is greater than the number of turn of two windings on former limit.
Particularly, as shown in Figure 3, it is the circuit diagram of recommending booster circuit 3 in Fig. 1.
Described metal-oxide-semiconductor comprises the first NMOS tube M1 and the second NMOS tube M2; Described booster circuit 3 of recommending also comprises the 6th resistance R6; Described former limit winding comprises the first former limit winding FW1 and the second former limit winding FW2; The drain electrode of described first NMOS tube M1 connects the first end of described first former limit winding FW1; The grid of described first NMOS tube M1 for described in recommend the first controlled end of booster circuit 3, be connected with the first control end of described control circuit 2;
The drain electrode of described second NMOS tube M2 connects the first end of described second former limit winding FW2; The source electrode of described second NMOS tube M2 is connected with the source electrode of described first NMOS tube M2, and by described 6th resistance R6 ground connection; The grid of described second NMOS tube M2 for described in recommend the second controlled end of booster circuit 3, be connected with the second control end of described control circuit 2;
Second end of described first former limit winding FW1 and second end of described second former limit winding FW2 are for receiving backup power source voltage Vbat;
The first end of described vice-side winding SW is connected to the first input end of described rectifier bridge, and second end of described vice-side winding SW is connected to the second input of described rectifier bridge;
The output of described rectifier bridge is connected to the input of described inverter circuit 4.Described rectifier bridge is made up of four diodes, comprises D1, D2, D3 and the D4 in figure.
Further, recommend booster circuit 3 described in and also comprise snubber circuit.Described snubber circuit is connected with the output of described rectifier bridge.
Described operation principle of recommending booster circuit 3 is: described in recommend booster circuit 3 on the former limit of transformer by control two NMOS tube compartment of terrain conductings, make secondary produce the alternating voltage being proportional to stand-by power supply Vbat, and be converted to direct voltage by rectifier bridge.The waveform of each responsible positive-negative half-cycle of described first NMOS tube M1 and the second NMOS tube M2 amplifies task, and during circuit working, two symmetrical NMOS tube only have a conducting, so the little efficiency of conduction loss is high at every turn.
First control end of described control circuit and the output voltage of the second control end are anti-phase, in the present embodiment, first control end is the PWM1 port of control circuit, and the second control end is the PWM2 port of control circuit, and the PWM ripple anti-phase each other namely exporting two-way switches two NMOS tube conductings.Certainly, an inverter can also be set, make only to need the PWM ripple on a road also can realize said process.
It should be noted that; in the present embodiment, recommend booster circuit 3 and employ NMOS tube as switching tube, but the mode using PMOS to replace also is the conventional means of those skilled in the art; belong to protection content of the present utility model, why use NMOS tube to be because the cost of NMOS tube is lower.
As shown in Figure 4, it is inverter circuit 4 circuit diagram in Fig. 1.
Described inverter circuit 4 comprises the 3rd NMOS tube M3, the 4th NMOS tube M4, the 5th NMOS tube M5, the 6th NMOS tube M6, the 7th resistance R7, the first inductance L 1 and the first electric capacity C1;
The output of booster circuit 3 is recommended described in the drain electrode connection of described 3rd NMOS tube M3; The source electrode of described 3rd NMOS tube M3 connects the drain electrode of described 4th NMOS tube M4; The grid of described 3rd NMOS tube M3 is connected with the 3rd control end of described control circuit 2;
The grid of described 4th NMOS tube M4 is connected with the 4th control end of described control circuit 2;
The output of booster circuit 3 is recommended described in the drain electrode connection of described 5th NMOS tube M5; The source electrode of described 5th NMOS tube M5 connects the drain electrode of described 6th NMOS tube M6; The grid of described 5th NMOS tube M5 is connected with the 5th control end of described control circuit 2;
The grid of described 6th NMOS tube M6 is connected with the 6th control end of described control circuit 2;
The source electrode of described 4th NMOS tube M4 is connected with the source electrode of described 6th NMOS tube M6, and by described 7th resistance R7 ground connection;
The source electrode of described 3rd NMOS tube M3 is connected to the source electrode of described 5th NMOS tube M5 via described first inductance L 1 and described first electric capacity C1; The terminal voltage of described first electric capacity C1 is the output voltage of described inverter circuit 4.
What adopt here is full bridge inversion circuit 4, comprise 4 switching tubes, only have two switching tube conductings (the 3rd NMOS tube M3 and the 6th NMOS tube M6/ the 4th NMOS tube M4 and the 5th NMOS tube M5) at diagonal angle in the course of work at every turn, in alternately handoff procedure, export required alternating voltage.Because the 3rd NMOS tube M3 and the 4th NMOS tube M4 can only have a conducting at one time, thus control voltage is necessarily contrary, thus export reverse voltage by the first inverter U1 in the drawings, make only to need PWM3 can realize the switching of the 3rd NMOS tube M3 and the 4th NMOS tube M4.In like manner, the switching of the 5th metal-oxide-semiconductor and the 6th NMOS tube M6 is realized by the second inverter U2 and PWM4.
It should be noted that; in the present embodiment, inverter circuit 4 employs NMOS tube as switching tube, but the mode using PMOS to replace also is the conventional means of those skilled in the art; belong to protection content of the present utility model, why use NMOS tube to be because the cost of NMOS tube is lower.
Further, described emergency power supply also comprises power source charges management circuit; The input of described power source charges management circuit connects AC power supplies VAC, and its output connects described stand-by power supply Vbat; The controlled end of described power source charges management circuit is connected with the control end of described control circuit 2.Described power source charges management circuit is used for charging to described stand-by power supply Vbat when AC power supplies VAC connects.
Further, described emergency power supply also comprises linear voltage-stabilizing circuit; The input of described linear voltage-stabilizing circuit connects described stand-by power supply Vbat; The output of described linear voltage-stabilizing circuit connects the power end of described control circuit 2.Described linear voltage-stabilizing circuit is used for when AC power supplies VAC power-off, by the operating voltage of stand-by power supply Vbat voltage transitions needed for described control circuit 2.
Further, described emergency power supply also comprises power protecting circuit; Described power protecting circuit connects described stand-by power supply Vbat and described control circuit 2.Described power protecting circuit can come to described control circuit 2 one feedback signals according to the dump energy of stand-by power supply Vbat; described control signal 2 controls stand-by power supply Vbat electric discharge according to feedback signal; avoid stand-by power supply Vbat over-discharge can, the life-span is declined.
Further, described emergency power supply also comprises remote-control receiving circuit; Described remote-control receiving circuit is connected with described control circuit 2.Described remote-control receiving circuit is for receiving the wind speed adjustment signal of air-conditioning remote control, and described control circuit 2 controls the output voltage of inverter circuit 4 frequency according to wind speed adjustment signal changes rotation speed of the fan.
Further, described emergency power supply also comprises status display circuit; Described status display circuit is connected with described control circuit 2.Described status display circuit is for showing electricity and the indoor fan rotating speed of stand-by power supply Vbat.
Further, described emergency power supply also comprises warning circuit.Described warning circuit is connected with described control circuit, for when AC power supplies VAC power-off, provides alarm signal, reminding user.
The beneficial effect of a kind of emergency power supply that the utility model embodiment provides is: detected in real time by described AC testing circuit 1 couple of AC power supplies VAC, and described control circuit 2 is delivered in testing result instruction; Described control circuit 2 controls to recommend booster circuit 3 when receiving cut-offing instruction and works; Described booster circuit 3 of recommending is for promoting the voltage of stand-by power supply Vbat; Through described inverter circuit 4, direct voltage is converted to alternating voltage again after boosting, charger equipment use, even if thus after civil power power-off, also power to electric equipment by emergency power supply of the present utility model, make electric equipment normally run.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model.Protection range of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. an emergency power supply, is characterized in that, comprising: AC testing circuit, control circuit, recommend booster circuit and inverter circuit;
The input of described AC testing circuit is for inputting AC power supplies, and the output of described AC testing circuit is connected to the input of described control circuit;
The controlled end of booster circuit is recommended described in the control end connection of described control circuit;
Described input of recommending booster circuit for inputting stand-by power supply, described in recommend booster circuit output be connected with the input of described inverter circuit; The output of described inverter circuit is used for powering for electric equipment.
2. emergency power supply as claimed in claim 1, is characterized in that: described AC testing circuit comprises voltage acquisition electronic circuit and a switching tube; The input of described voltage acquisition electronic circuit is for gathering AC power supplies, and the output of described voltage acquisition electronic circuit is connected to the control end of described switching tube; The output of described switching tube is connected to the input of described control circuit.
3. emergency power supply as claimed in claim 2, is characterized in that: described voltage acquisition electronic circuit comprises the first resistance, optocoupler, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance; Described switching tube is triode;
One end of described first resistance is the input of described voltage acquisition electronic circuit, and the other end connects the first end of described optocoupler; Second end ground connection of described optocoupler;
One end of described second resistance connects DC power supply, and the other end connects the 3rd end of described optocoupler; 4th end of described optocoupler is connected to the base stage of described triode by described 3rd resistance;
The base stage of described triode passes through described 4th grounding through resistance, its grounded emitter, and its collector electrode connects described DC power supply by described 5th resistance; The output of the very described switching tube of current collection of described triode.
4. emergency power supply as claimed in claim 1, is characterized in that: described in recommend booster circuit and comprise transformer; The former limit of described transformer has the winding of two series connection, and the common port of two windings is for inputting stand-by power supply; Other one end of two windings drives with a metal-oxide-semiconductor respectively and is connected; The vice-side winding of described transformer is connected with the input of a rectifier bridge; The output of described rectifier bridge for described in recommend the output of booster circuit; The number of turn of described vice-side winding is greater than the number of turn of each winding of two windings on former limit.
5. emergency power supply as claimed in claim 4, is characterized in that: described metal-oxide-semiconductor comprises the first NMOS tube and the second NMOS tube; Described booster circuit of recommending also comprises the 6th resistance; Described former limit winding comprises the first former limit winding and the second former limit winding;
The drain electrode of described first NMOS tube connects the first end of described first former limit winding; The grid of described first NMOS tube for described in recommend the first controlled end of booster circuit, be connected with the first control end of described control circuit;
The drain electrode of described second NMOS tube connects the first end of described second former limit winding; The source electrode of described second NMOS tube is connected with the source electrode of described first NMOS tube, and by described 6th grounding through resistance; The grid of described second NMOS tube for described in recommend the second controlled end of booster circuit, be connected with the second control end of described control circuit;
Second end of described first former limit winding and the second end of described second former limit winding are connected to the power output end of described stand-by power supply jointly;
The first end of described vice-side winding is connected to the first input end of described rectifier bridge, and the second end of described vice-side winding is connected to the second input of described rectifier bridge;
The output of described rectifier bridge for described in recommend the output of booster circuit.
6. emergency power supply as claimed in claim 1, is characterized in that: described inverter circuit comprises the 3rd NMOS tube, the 4th NMOS tube, the 5th NMOS tube, the 6th NMOS tube, the 7th resistance, the first inductance and the first electric capacity;
The drain electrode of described 3rd NMOS tube is connected with the drain electrode of described 5th NMOS tube, is the input of described inverter circuit; The source electrode of described 3rd NMOS tube connects the drain electrode of described 4th NMOS tube; The grid of described 3rd NMOS tube is connected with the 3rd control end of described control circuit;
The grid of described 4th NMOS tube is connected with the 4th control end of described control circuit;
The source electrode of described 5th NMOS tube connects the drain electrode of described 6th NMOS tube; The grid of described 5th NMOS tube is connected with the 5th control end of described control circuit;
The grid of described 6th NMOS tube is connected with the 6th control end of described control circuit;
The source electrode of described 4th NMOS tube is connected with the source electrode of described 6th NMOS tube, and by described 7th grounding through resistance;
The source electrode of described 3rd NMOS tube is connected to the source electrode of described 5th NMOS tube via described first inductance and described first electric capacity; Described first electric capacity two ends be the output of described inverter circuit.
7. the emergency power supply as described in any one of claim 1 to 6, is characterized in that: described emergency power supply also comprises power source charges management circuit; The input of described power source charges management circuit is for accessing AC power supplies, and its output connects the charging input end of described stand-by power supply; The controlled end of described power source charges management circuit is connected with the control end of described control circuit.
8. the emergency power supply as described in any one of claim 1 to 6, is characterized in that: described emergency power supply also comprises linear voltage-stabilizing circuit; The input of described linear voltage-stabilizing circuit connects the power output end of described stand-by power supply; The output of described linear voltage-stabilizing circuit connects the power end of described control circuit.
9. the emergency power supply as described in any one of claim 1 to 6, is characterized in that: described emergency power supply also comprises power protecting circuit; The input of described power protecting circuit circuit connects described stand-by power supply, and output connects described and described control circuit.
10. the emergency power supply as described in any one of claim 1 to 6, is characterized in that: described emergency power supply also comprises remote-control receiving circuit and status display circuit; Described remote-control receiving circuit is connected with described control circuit; Described status display circuit is connected with described control circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826342.4U CN204361774U (en) | 2014-12-23 | 2014-12-23 | Emergency power supply |
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| CN201420826342.4U CN204361774U (en) | 2014-12-23 | 2014-12-23 | Emergency power supply |
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| CN204361774U true CN204361774U (en) | 2015-05-27 |
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| CN105307328A (en) * | 2015-10-10 | 2016-02-03 | 成都川睿科技有限公司 | Intelligent traffic illuminating device with adaptive light strength |
| CN106602702A (en) * | 2016-12-09 | 2017-04-26 | 上海航空电器有限公司 | General airplane intelligent avionics emergency power supply management system and method |
| CN113597054A (en) * | 2021-07-30 | 2021-11-02 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
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2014
- 2014-12-23 CN CN201420826342.4U patent/CN204361774U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225532A (en) * | 2015-09-29 | 2016-01-06 | 成都川睿科技有限公司 | A kind of intelligent transportation collision prevention device with emergency power pack |
| CN105263218A (en) * | 2015-10-10 | 2016-01-20 | 成都川睿科技有限公司 | Intelligent traffic power failure emergency street lamp based on adaptive adjustment device |
| CN105307328A (en) * | 2015-10-10 | 2016-02-03 | 成都川睿科技有限公司 | Intelligent traffic illuminating device with adaptive light strength |
| CN106602702A (en) * | 2016-12-09 | 2017-04-26 | 上海航空电器有限公司 | General airplane intelligent avionics emergency power supply management system and method |
| CN113597054A (en) * | 2021-07-30 | 2021-11-02 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
| CN113597054B (en) * | 2021-07-30 | 2024-05-10 | 深圳市比尔达科技有限公司 | Emergency output circuit for starting LED lamp tube with leakage protection |
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