CN204168128U - Intelligence switches Surge Suppressors - Google Patents
Intelligence switches Surge Suppressors Download PDFInfo
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- CN204168128U CN204168128U CN201420600506.1U CN201420600506U CN204168128U CN 204168128 U CN204168128 U CN 204168128U CN 201420600506 U CN201420600506 U CN 201420600506U CN 204168128 U CN204168128 U CN 204168128U
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Abstract
The utility model relates to electronic power switch equipment technical field, discloses a kind of intelligence and switches Surge Suppressors.It comprises the first drive circuit, second drive circuit, booster circuit, reference circuit, first switching tube, the components and parts such as second switch pipe, when described first power supply and described second source are connected instantaneously simultaneously, first power supply to carry out through second switch pipe through the first switching tube and second source or operates on power source bus, through computing supply voltage Gao mono-road, power supply signal will appear on bus, switching tube conducting corresponding to it, the road power supply signal that power electric is forced down there will not be on bus, switching tube corresponding to it turns off, the intelligence realizing double loop power supply switches, the utility model can automatically according to the change in voltage of input supply terminal, selects power supply that voltage is the highest as equipment power supply, improve the operating efficiency of dual-purpose voltage suppressor, have circuit simple, integrated level is high, and volume is little, the feature that reliability is high.
Description
Technical field
The utility model relates to electronic power switch equipment technical field, and a kind of intelligence of mains switch of powering for two-way or multiple power supplies switches Surge Suppressors specifically.
Background technology
At present in the weapons such as space shuttle and important equipment, increasing key equipment have employed two-way or multiple power supplies is powered, and with support equipment when a certain road power failure, backup battery can ensure that complete machine normally works.Traditional Surge Suppressors is all single power supply, seldom adopts double loop power supply to power.Traditional way adopts the solution of two-way or multiple power supplies being powered by heavy-duty diode parallel redundancy.There is following defect in traditional solution:
(1) volume due to heavy-duty diode is comparatively large, and the Surge Suppressors of identical power output, has bulky shortcoming;
(2) pressure drop of about 1V can be consumed during high-power two pole forward conduction, reduce electrical source voltage, add system power dissipation, have that efficiency is low, the defect of poor reliability;
(3) need additionally to take surge protection measure, to guarantee system not by surge impact, add volume and the cost of inhibitor.
Utility model content
The purpose of this utility model is to provide a kind of intelligence and switches Surge Suppressors, and to solve, prior art volume is large, system power dissipation is high, need the problem additionally arranging surge protection measure.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of intelligence switches Surge Suppressors, it comprises the first drive circuit, the second drive circuit, booster circuit, reference circuit, the first switching tube, second switch pipe, output switch pipe, drives resistance, the first voltage-stabiliser tube, the power input of described first drive circuit connects the first power supply, output is connected with the grid of the first switching tube, the source electrode of described first switching tube connects the first power supply, and drain electrode connects power source bus; The power input of described second drive circuit connects second source, and output is connected with the grid of second switch pipe, and the source electrode of described second switch pipe connects second source, and drain electrode connects power source bus; The input termination power source bus of described reference circuit, output is connected with the input of booster circuit; One termination power source bus of described booster circuit, an output is connected with the first drive circuit, the second drive circuit respectively, and another output is connected with driving one end of resistance, the negative pole of voltage stabilizing didoe respectively; The other end of described driving resistance is connected with the grid of output switch pipe, and the drain electrode of described output switch pipe is connected with power source bus, and source electrode meets output voltage terminal Vout, and the positive pole of described voltage stabilizing didoe meets output voltage terminal Vout; When described first power supply and described second source are connected instantaneously simultaneously, first power supply to carry out through second switch pipe through the first switching tube and second source or operates on power source bus, through computing supply voltage Gao mono-road, power supply signal will appear on bus, switching tube conducting corresponding to it, the road power supply signal that power electric is forced down there will not be on bus, switching tube corresponding to it turns off, and the intelligence realizing double loop power supply switches; Supply voltage Gao mono-road power supply provides power supply for described first drive circuit, the second drive circuit, reference circuit, supply voltage is after boosting circuit boosts, surge voltage signal is suppressed, by output switch pipe (T3) for load provides stable, reliable power supply through the first drive circuit or the second drive circuit.
As further improvement of the utility model, described first drive circuit comprises the first chip, first electric capacity, second resistance, second voltage stabilizing didoe, 3 pin of described first chip, 5 pin, 7 pin are connected with the first power supply respectively, 8 pin are connected with the grid of described first switching tube, 2 pin, 3 pin are connected with the two ends of the first electric capacity respectively, 2 pin are connected with one end of the second resistance, the other end of described second resistance is connected with the negative pole of the second voltage stabilizing didoe, the positive pole of the second voltage stabilizing electric diode is connected with the first power supply, the negative pole of the second voltage stabilizing electric diode is connected with the output of described booster circuit, when described first power supply is greater than described second source, described first drive circuit works, described first switching tube conducting, described second switch pipe turns off, described first drive circuit suppresses surge voltage signal, by described output switch pipe for load provides stable, reliable power supply.
Further improve as of the present utility model, described second drive circuit comprises the second chip, second electric capacity, 3rd resistance, 3rd voltage stabilizing didoe, 3 pin of described second chip, 5 pin, 7 pin are connected with second source respectively, 8 pin are connected with the grid of described second switch pipe, 2 pin, 3 pin are connected with the two ends of the second electric capacity respectively, 2 pin are connected with one end of the 3rd resistance, the other end of described 3rd resistance is connected with the negative pole of the 3rd voltage stabilizing didoe, the positive pole of the 3rd voltage stabilizing electric diode is connected with second source, the negative pole of the 3rd voltage stabilizing electric diode is connected with the output of described booster circuit, when described first power supply is less than described second source, the second drive circuit works, the conducting of second switch pipe, the first switching tube turns off, and the second drive circuit suppresses surge voltage signal, by output switch pipe for load provides stable, reliable power supply.
Further improve as of the present utility model, described booster circuit comprises the 3rd chip, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, drives resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the first diode, the first inductance, the 4th voltage stabilizing didoe, one end of described 3rd electric capacity is connected with one end of the first inductance, 6 pin of another termination the 3rd chip and 7 pin, 6 pin of one termination the 3rd chip of the 4th electric capacity and 7 pin, 5 pin of another termination the 3rd chip, 1 pin of one termination the 3rd chip of the 5th electric capacity, the other end of the 5th electric capacity is connected with one end of the 8th resistance, 4 pin of another termination tertiary circuit of the 8th resistance, 6th electric capacity is also connected in the two ends driving resistance, 1 pin of one termination the 3rd chip of the 4th resistance, the other end of the 4th resistance is connected with the negative pole of the second voltage stabilizing didoe, 1 pin of one termination the 3rd chip of the 5th resistance, the other end of the 5th resistance is connected with the negative pole of the 4th voltage-stabiliser tube, the positive pole of the 4th voltage-stabiliser tube connects COM end publicly, 1 pin of one termination the 3rd chip of the 6th resistance, the other end of the 6th resistance is connected with one end of the 9th resistance, the other end of the 9th resistance is connected with one end of the first inductance, one end of tenth resistance and the 5th electric capacity, 8th resistance intersection connects, 3 pin of another termination the 3rd chip of the tenth resistance, one end of 11 resistance is connected with one end of the first inductance, 3 pin of another termination the 3rd chip of the 11 resistance, drive the other end of resistance and the negative pole of the 4th voltage-stabiliser tube, supply voltage, after boosting circuit boosts, ensures the first drive circuit and the second drive circuit steady operation, makes the first switching tube, second switch pipe, the complete conducting of output switch pipe, for load provides stable, reliable power supply.
Further improve as of the present utility model, described reference circuit comprises the 4th chip, the 12 resistance, the 13 resistance, constant-current source, 6 pin of one termination the 4th chip of the 12 resistance, 8 pin of another termination the 4th chip, 1 pin of one termination the 4th chip of the 13 resistance, 8 pin of another termination the 4th chip, 6 pin of a termination the 4th chip of constant-current source, another termination is COM end publicly; Reference circuit operating voltage is provided by supply voltage, and its output voltage provides stable operating voltage for booster circuit, ensures that booster circuit reliably works.
In the utility model, described first chip, described second chip are the field effect metal-oxide-semiconductor drive circuit that specifications and models are identical, preferred model is: IRF5001, described 3rd chip is boost converter, preferred model is: TPS61045, described 4th chip is controllable accurate degree source of stable pressure parallel voltage-stabilizing integrated circuit, and preferred model is: TL431.
The beneficial effects of the utility model are:
(1) the utility model has two power supply input channels, and a power output end, is directly connected to power consumption equipment power input, can automatically according to the change in voltage of input supply terminal, selects power supply that voltage is the highest as equipment power supply;
(2) line construction taked of the utility model, during work, conducting voltage pressure drop is only about 0.2V (5A operating current), greatly improves the operating efficiency of dual-purpose voltage suppressor;
(3) inhibitor inside is integrated with surge voltage suppression defencive function, automatically suppresses the surge voltage from any input channel, and ensure that output voltage maintains within the supply district of equipment permission all the time, guarantee system reliably works;
(4) the utility model has circuit simply, and integrated level is high, and volume is little, the feature that reliability is high.
Accompanying drawing explanation
Fig. 1 is connection block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
In figure: T1, first switching tube, T2, second switch pipe, T3, output switch pipe, R1, drive resistance, R2, second resistance, R3, 3rd resistance, R4, 4th resistance, R5, 5th resistance, R6, 6th resistance, R7, 7th resistance, R8, 8th resistance, R9, 9th resistance, R10, tenth resistance, R11, 11 resistance, R12, 12 resistance, R13, 13 resistance, DZ1, first voltage-stabiliser tube, DZ2, second voltage stabilizing didoe, DZ3, 3rd voltage stabilizing didoe, DZ4, 4th voltage stabilizing didoe, IC1, first chip, IC2, second chip, IC3, 3rd chip, IC4, 4th chip, C1, first electric capacity, C2, second electric capacity, C3, 3rd electric capacity, C4, 4th electric capacity, C5, 5th electric capacity, C6, 6th electric capacity, D1, first diode, L1, first inductance.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
A kind of intelligence switches Surge Suppressors, it comprises the first drive circuit, the second drive circuit, booster circuit, reference circuit, the first switch transistor T 1, second switch pipe T2, output switch pipe T3, drives resistance R1, the first voltage-stabiliser tube DZ1, the power input of the first drive circuit meets the first power supply Vin1, output is connected with the grid of the first switch transistor T 1, the source electrode of the first switch transistor T 1 meets the first power supply Vin1, and drain electrode connects power source bus; The power input of the second drive circuit meets second source Vin2, and output is connected with the grid of second switch pipe T2, and the source electrode of second switch pipe T2 meets second source Vin2, and drain electrode connects power source bus; The input termination power source bus of reference circuit, output is connected with the input of booster circuit; One termination power source bus of booster circuit, an output is connected with the first drive circuit, the second drive circuit respectively, and another output is connected with one end of driving resistance R1, the negative pole of voltage stabilizing didoe DZ1 respectively; Drive the other end of resistance R1 to be connected with the grid of output switch pipe T3, the drain electrode of output switch pipe T3 is connected with power source bus, and source electrode meets output voltage terminal Vout, and the positive pole of voltage stabilizing didoe DZ2 meets output voltage terminal Vout; When the first power supply Vin1 and second source Vin2 connects instantaneously simultaneously, first power supply Vin1 to carry out through second switch pipe T2 through the first switch transistor T 1 and second source Vin2 or operates on power source bus, through computing supply voltage Gao mono-road, power supply signal will appear on bus, switching tube conducting corresponding to it, the road power supply signal that power electric is forced down there will not be on bus, switching tube corresponding to it turns off, and the intelligence realizing double loop power supply switches; Supply voltage Gao mono-road power supply is the first drive circuit, the second drive circuit, reference circuit provide power supply, supply voltage is after boosting circuit boosts, surge voltage signal is suppressed, by output switch pipe T3 for load provides stable, reliable power supply through the first drive circuit or the second drive circuit.
First drive circuit comprises the first chip IC 1, first electric capacity C1, second resistance R2, second voltage stabilizing didoe DZ2, 3 pin of the first chip IC 1, 5 pin, 7 pin are connected with the first power supply Vin1 respectively, 8 pin are connected with the grid of the first switch transistor T 1, 2 pin, 3 pin are connected with the two ends of the first electric capacity C1 respectively, 2 pin are connected with one end of the second resistance R2, the other end of the second resistance R2 is connected with the negative pole of the second voltage stabilizing didoe DZ2, the positive pole of the second voltage stabilizing electric diode DZ2 is connected with the first power supply Vin1, the negative pole of the second voltage stabilizing electric diode DZ2 is connected with the output of booster circuit, when the first power supply Vin1 is greater than second source Vin2, the first drive circuit works, the first switch transistor T 1 conducting, second switch pipe T2 turns off, and the first drive circuit suppresses surge voltage signal, by output switch pipe T3 for load provides stable, reliable power supply.
Second drive circuit comprises the second chip IC 2, second electric capacity C2, 3rd resistance R3, 3rd voltage stabilizing didoe DZ3, 3 pin of the second chip IC 2, 5 pin, 7 pin are connected with second source Vin2 respectively, 8 pin are connected with the grid of second switch pipe T2, 2 pin, 3 pin are connected with the two ends of the second electric capacity C2 respectively, 2 pin are connected with one end of the 3rd resistance R3, the other end of the 3rd resistance R3 is connected with the negative pole of the 3rd voltage stabilizing didoe DZ3, the positive pole of the 3rd voltage stabilizing electric diode DZ3 is connected with second source Vin2, the negative pole of the 3rd voltage stabilizing electric diode DZ3 is connected with the output of described booster circuit, when the first power supply Vin1 is less than second source Vin2, the second drive circuit works, second switch pipe T2 conducting, the first switch transistor T 1 turns off, and the second drive circuit suppresses surge voltage signal, by output switch pipe T3 for load provides stable, reliable power supply.
Booster circuit comprises the 3rd chip IC 3, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, drives resistance R1, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11 resistance R11, the first diode D1, the first inductance L 1, the 4th voltage stabilizing didoe Dz4, one end of described 3rd electric capacity C3 is connected with one end of the first inductance L 1, 6 pin of another termination the 3rd chip IC 3 and 7 pin, 6 pin of one termination the 3rd chip IC 3 of the 4th electric capacity C4 and 7 pin, 5 pin of another termination the 3rd chip IC 3, 1 pin of one termination the 3rd chip IC 3 of the 5th electric capacity C5, the other end of the 5th electric capacity C5 is connected with one end of the 8th resistance R8, 4 pin of another termination tertiary circuit IC3 of the 8th resistance R8, 6th electric capacity C6 is also connected in the two ends driving resistance R1, 1 pin of one termination the 3rd chip IC 3 of the 4th resistance R4, the other end of the 4th resistance R4 is connected with the negative pole of the second voltage stabilizing didoe Dz2, 1 pin of one termination the 3rd chip IC 3 of the 5th resistance R5, the other end of the 5th resistance R5 is connected with the negative pole of the 4th voltage-stabiliser tube Dz4, the positive pole of the 4th voltage-stabiliser tube Dz4 connects COM end publicly, 1 pin of one termination the 3rd chip IC 3 of the 6th resistance R6, the other end of the 6th resistance R6 is connected with one end of the 9th resistance R9, the other end of the 9th resistance R9 is connected with one end of the first inductance L 1, one end of tenth resistance R10 and the 5th electric capacity C5, 8th resistance R8 intersection connects, 3 pin of another termination the 3rd chip IC 3 of the tenth resistance R10, one end of 11 resistance R11 is connected with one end of the first inductance L 1, 3 pin of another termination the 3rd chip IC 3 of the 11 resistance R11, drive the other end of resistance R1 and the negative pole of the 4th voltage-stabiliser tube Dz4, supply voltage, after boosting circuit boosts, ensures the first drive circuit and the second drive circuit steady operation, makes the first switch transistor T 1, second switch pipe T2, the complete conducting of output switch pipe T3, for load provides stable, reliable power supply.
Reference circuit comprises the 4th chip IC4, the 12 resistance R12, the 13 resistance R13, constant-current source, 6 pin of one termination the 4th chip IC4 of the 12 resistance R12,8 pin of another termination the 4th chip IC4,1 pin of one termination the 4th chip IC4 of the 13 resistance R13,8 pin of another termination the 4th chip IC4,6 pin of one termination the 4th chip IC4 of constant-current source, another termination is COM end publicly; Reference circuit operating voltage is provided by supply voltage, and its output voltage provides stable operating voltage for booster circuit, ensures that booster circuit reliably works.
In the present embodiment, the field effect metal-oxide-semiconductor drive circuit of the first chip, the second chip to be model be IRF5001, the boost converter of the 3rd chip to be model be TPS61045, the controllable accurate degree source of stable pressure parallel voltage-stabilizing integrated circuit of the 4th chip to be model be TL431.
Claims (5)
1. an intelligence switches Surge Suppressors, it is characterized in that: it comprises the first drive circuit, the second drive circuit, booster circuit, reference circuit, the first switching tube (T1), second switch pipe (T2), output switch pipe (T3), drives resistance (R1), the first voltage-stabiliser tube (DZ1), the power input of described first drive circuit connects the first power supply (Vin1), output is connected with the grid of the first switching tube (T1), the source electrode of described first switching tube (T1) connects the first power supply (Vin1), and drain electrode connects power source bus; The power input of described second drive circuit connects second source (Vin2), and output is connected with the grid of second switch pipe (T2), and the source electrode of described second switch pipe (T2) connects second source (Vin2), and drain electrode connects power source bus; The input termination power source bus of described reference circuit, output is connected with the input of booster circuit; One termination power source bus of described booster circuit, an output is connected with the first drive circuit, the second drive circuit respectively, and another output is connected with one end of driving resistance (R1), the negative pole of voltage stabilizing didoe (DZ1) respectively; The other end of described driving resistance (R1) is connected with the grid of output switch pipe (T3), the drain electrode of described output switch pipe (T3) is connected with power source bus, source electrode meets output voltage terminal Vout, and the positive pole of described voltage stabilizing didoe (DZ2) meets output voltage terminal Vout; When described first power supply (Vin1) and described second source (Vin2) are connected instantaneously simultaneously, first power supply (Vin1) to carry out through second switch pipe (T2) through the first switching tube (T1) and second source (Vin2) or operates on power source bus, through computing supply voltage Gao mono-road, power supply signal will appear on bus, switching tube conducting corresponding to it, the road power supply signal that power electric is forced down there will not be on bus, switching tube corresponding to it turns off, and the intelligence realizing double loop power supply switches; Supply voltage Gao mono-road power supply provides power supply for described first drive circuit, the second drive circuit, reference circuit, supply voltage is after boosting circuit boosts, surge voltage signal is suppressed, by output switch pipe (T3) for load provides stable, reliable power supply through the first drive circuit or the second drive circuit.
2. intelligence according to claim 1 switches Surge Suppressors, it is characterized in that: described first drive circuit comprises the first chip (IC1), first electric capacity (C1), second resistance (R2), second voltage stabilizing didoe (DZ2), 3 pin of described first chip (IC1), 5 pin, 7 pin are connected with the first power supply (Vin1) respectively, 8 pin are connected with the grid of described first switching tube (T1), 2 pin, 3 pin are connected with the two ends of the first electric capacity (C1) respectively, 2 pin are connected with the one end of the second resistance (R2), the other end of described second resistance (R2) is connected with the negative pole of the second voltage stabilizing didoe (DZ2), the positive pole of the second voltage stabilizing electric diode (DZ2) is connected with the first power supply (Vin1), the negative pole of the second voltage stabilizing electric diode (DZ2) is connected with the output of described booster circuit, when described first power supply (Vin1) is greater than described second source (Vin2), described first drive circuit works, the conducting of described first switching tube (T1), described second switch pipe (T2) turns off, described first drive circuit suppresses surge voltage signal, by described output switch pipe (T3) for load provides stable, reliable power supply.
3. intelligence according to claim 1 switches Surge Suppressors, it is characterized in that: described second drive circuit comprises the second chip (IC2), second electric capacity (C2), 3rd resistance (R3), 3rd voltage stabilizing didoe (DZ3), 3 pin of described second chip (IC2), 5 pin, 7 pin are connected with second source (Vin2) respectively, 8 pin are connected with the grid of described second switch pipe (T2), 2 pin, 3 pin are connected with the two ends of the second electric capacity (C2) respectively, 2 pin are connected with one end of the 3rd resistance (R3), the other end of described 3rd resistance (R3) is connected with the negative pole of the 3rd voltage stabilizing didoe (DZ3), the positive pole of the 3rd voltage stabilizing electric diode (DZ3) is connected with second source (Vin2), the negative pole of the 3rd voltage stabilizing electric diode (DZ3) is connected with the output of described booster circuit, when described first power supply (Vin1) is less than described second source (Vin2), second drive circuit works, second switch pipe (T2) conducting, first switching tube (T1) turns off, second drive circuit suppresses surge voltage signal, by output switch pipe (T3) for load provides stable, reliable power supply.
4. intelligence according to claim 1 switches Surge Suppressors, it is characterized in that: described booster circuit comprises the 3rd chip (IC3), 3rd electric capacity (C3), 4th electric capacity (C4), 5th electric capacity (C5), 6th electric capacity (C6), drive resistance (R1), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), 7th resistance (R7), 8th resistance (R8), 9th resistance (R9), tenth resistance (R10), 11 resistance (R11), first diode (D1), first inductance (L1), 4th voltage stabilizing didoe (Dz4), one end of described 3rd electric capacity (C3) is connected with one end of the first inductance (L1), 6 pin of another termination the 3rd chip (IC3) and 7 pin, 6 pin of one termination the 3rd chip (IC3) of the 4th electric capacity (C4) and 7 pin, 5 pin of another termination the 3rd chip (IC3), 1 pin of one termination the 3rd chip (IC3) of the 5th electric capacity (C5), the other end of the 5th electric capacity (C5) is connected with one end of the 8th resistance (R8), 4 pin of another termination tertiary circuit (IC3) of the 8th resistance (R8), 6th electric capacity (C6) is also connected in the two ends driving resistance (R1), 1 pin of one termination the 3rd chip (IC3) of the 4th resistance (R4), the other end of the 4th resistance (R4) is connected with the negative pole of the second voltage stabilizing didoe (Dz2), 1 pin of one termination the 3rd chip (IC3) of the 5th resistance (R5), the other end of the 5th resistance (R5) is connected with the negative pole of the 4th voltage-stabiliser tube (Dz4), the positive pole of the 4th voltage-stabiliser tube (Dz4) connects COM end publicly, 1 pin of one termination the 3rd chip (IC3) of the 6th resistance (R6), the other end of the 6th resistance (R6) is connected with one end of the 9th resistance (R9), the other end of the 9th resistance (R9) is connected with one end of the first inductance (L1), one end of tenth resistance (R10) and the 5th electric capacity (C5), 8th resistance (R8) intersection connects, 3 pin of another termination the 3rd chip (IC3) of the tenth resistance (R10), one end of 11 resistance (R11) is connected with one end of the first inductance (L1), 3 pin of another termination the 3rd chip (IC3) of the 11 resistance (R11), drive the other end of resistance (R1) and the negative pole of the 4th voltage-stabiliser tube (Dz4), supply voltage, after boosting circuit boosts, ensures the first drive circuit and the second drive circuit steady operation, makes the conducting completely of the first switching tube (T1), second switch pipe (T2), output switch pipe (T3), for load provides stable, reliable power supply.
5. intelligence according to claim 1 switches Surge Suppressors, it is characterized in that: described reference circuit comprises the 4th chip (IC4), the 12 resistance (R12), the 13 resistance (R13), constant-current source, 6 pin of one termination the 4th chip (IC4) of the 12 resistance (R12), 8 pin of another termination the 4th chip (IC4), 1 pin of one termination the 4th chip (IC4) of the 13 resistance (R13), 8 pin of another termination the 4th chip (IC4), 6 pin of one termination the 4th chip (IC4) of constant-current source, another termination is COM end publicly; Reference circuit operating voltage is provided by supply voltage, and its output voltage provides stable operating voltage for booster circuit, ensures that booster circuit reliably works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600506.1U CN204168128U (en) | 2014-10-17 | 2014-10-17 | Intelligence switches Surge Suppressors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600506.1U CN204168128U (en) | 2014-10-17 | 2014-10-17 | Intelligence switches Surge Suppressors |
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| CN204168128U true CN204168128U (en) | 2015-02-18 |
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| CN201420600506.1U Expired - Fee Related CN204168128U (en) | 2014-10-17 | 2014-10-17 | Intelligence switches Surge Suppressors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058836A (en) * | 2016-07-06 | 2016-10-26 | 深圳市振华微电子有限公司 | Large-current surge suppressor |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058836A (en) * | 2016-07-06 | 2016-10-26 | 深圳市振华微电子有限公司 | Large-current surge suppressor |
| CN106058836B (en) * | 2016-07-06 | 2018-09-21 | 深圳市振华微电子有限公司 | High current surge suppressor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20191017 |