CN204334373U - A kind of Low-cost inversion power circuit - Google Patents
A kind of Low-cost inversion power circuit Download PDFInfo
- Publication number
- CN204334373U CN204334373U CN201420692514.3U CN201420692514U CN204334373U CN 204334373 U CN204334373 U CN 204334373U CN 201420692514 U CN201420692514 U CN 201420692514U CN 204334373 U CN204334373 U CN 204334373U
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- triode
- resistance
- electric capacity
- emitter
- collector electrode
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Abstract
The utility model discloses a kind of Low-cost inversion power circuit, comprise the first triode, the second triode, the 3rd triode, the 4th triode, the 5th triode, the 6th triode, the 7th triode, the 8th triode, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, voltage stabilizing didoe, potentiometer, storage battery and transformer.The utility model can when civil power be stopped power supply, continuing as supermarket provides simple alternating current to power, and there is output voltage stabilization, the feature that highly sensitive, work noise is little and simple and practical, the new load capacity of this practicality can reach more than 400W in addition, and power supplying efficiency is more than 90 percent, multiple power consumption equipment can be applicable to, meanwhile, circuit structure of the present utility model is simple, and components and parts used are few, reduce cost of manufacture, there is the value promoted and use.
Description
Technical field
The utility model relates to a kind of power circuit, particularly relates to a kind of Low-cost inversion power circuit.
Background technology
Along with the increase of consuming capacity, supermarket has become an indispensable part in people's life, the range of business in supermarket is also all the more extensive, comprise various food, sell clothes, family's daily use Sundry goods, household electrical appliance, toy, furniture and medical supplies etc., there is the charging administration system of oneself in the supermarket of various places, the expense collecting customer consumption is implemented by cash register, in time having a power failure, cash register quits work, serious impact is caused on the normal business in supermarket, general large supermarket all can use generator to continue power supply, small-sized supermarket is then provided with inverter, to ensure that the cash register after having a power failure can continue normal work, the most circuit structure of existing inverter is complicated, cost of manufacture is high, and inverter with low cost generally exports the alternating current into square wave type, be unfavorable for the normal work of power consumption equipment.
Utility model content
The purpose of this utility model is just to provide a kind of Low-cost inversion power circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first triode, second triode, 3rd triode, 4th triode, 5th triode, 6th triode, 7th triode, 8th triode, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, voltage stabilizing didoe, potentiometer, storage battery and transformer, the two ends of described transformer are connected with AC power, the first end of described transformer secondary output first coil is connected with the base stage of described first triode, second end of described transformer secondary output first coil is connected with the emitter of described second triode, the first end of described transformer secondary output second coil is connected with the emitter of described first triode, the tap of described transformer secondary output second coil is connected with the negative pole of described storage battery and the first end of described first resistance simultaneously, second end of described transformer secondary output second coil is connected with the emitter of described 4th triode, the first end of described transformer secondary output tertiary coil is connected with the emitter of described 5th triode, second end of described transformer secondary output tertiary coil is connected with the emitter of described 4th triode, the collector electrode of described first triode simultaneously with the positive pole of described storage battery, the collector electrode of described second triode, the emitter of described 3rd triode, the negative pole of described voltage stabilizing didoe, the first end of described first electric capacity, the emitter of described 7th triode, the emitter of described 8th triode, the first end of described 4th electric capacity, the emitter of described 6th triode, the collector electrode of described 5th triode is connected with the collector electrode of described 4th triode, the base stage of described second triode is connected with the collector electrode of described 3rd triode, the base stage of described 3rd triode is connected with the second end of described first electric capacity and the first end of described 6th resistance simultaneously, second end of described first resistance is connected with the positive pole of described voltage stabilizing didoe and the adjustable side of described potentiometer simultaneously, the first end of described potentiometer is connected with the first end of described second resistance and the first end of described 3rd resistance simultaneously, second end of described second resistance is connected with the collector electrode of described 7th triode, second end of described 6th resistance is connected with the first end of described second electric capacity, second end of described second electric capacity is connected with the second end of described 3rd resistance and the base stage of described 8th triode simultaneously, the base stage of described 7th triode is connected with the first end of described 4th resistance and the first end of described 3rd electric capacity simultaneously, second end of described 4th resistance is connected with the second end of described potentiometer and the first end of described 5th resistance simultaneously, second end of described 5th resistance is connected with the collector electrode of described 8th triode, second end of described 3rd electric capacity is connected with the first end of described 7th resistance, second end of described 7th resistance is connected with the collector electrode of described 6th triode and the second end of described 4th electric capacity simultaneously, the collector electrode of described 6th triode is connected with the base stage of described 5th triode.
The beneficial effects of the utility model are:
The utility model can when civil power be stopped power supply, continuing as supermarket provides simple alternating current to power, and there is output voltage stabilization, the feature that highly sensitive, work noise is little and simple and practical, the new load capacity of this practicality can reach more than 400W in addition, and power supplying efficiency is more than 90 percent, multiple power consumption equipment can be applicable to, meanwhile, circuit structure of the present utility model is simple, and components and parts used are few, reduce cost of manufacture, there is the value promoted and use.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises the first triode VT1, second triode VT2, 3rd triode VT3, 4th triode VT4, 5th triode VT5, 6th triode VT6, 7th triode VT7, 8th triode VT8, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, voltage stabilizing didoe ZD, potentiometer RP, storage battery E and transformer T, the two ends of transformer T primary coil are connected with AC power, the first end of transformer T level first coil is connected with the base stage of the first triode VT1, second end of transformer T level first coil is connected with the emitter of the second triode VT2, the first end of transformer T level second coil is connected with the emitter of the first triode VT1, the tap of transformer T level second coil is connected with the negative pole of storage battery E and the first end of the first resistance R1 simultaneously, second end of transformer T level second coil is connected with the emitter of the 4th triode VT4, the first end of transformer T level tertiary coil is connected with the emitter of the 5th triode VT5, second end of transformer T level tertiary coil is connected with the base stage of the 4th triode VT4, the collector electrode of the first triode VT1 simultaneously with the positive pole of storage battery E, the collector electrode of the second triode VT2, the emitter of the 3rd triode VT3, the negative pole of voltage stabilizing didoe ZD, the first end of the first electric capacity C1, the emitter of the 7th triode VT7, the emitter of the 8th triode VT8, the first end of the 4th electric capacity C4, the emitter of the 6th triode VT6, the collector electrode of the 5th triode VT5 is connected with the collector electrode of the 4th triode VT4, the base stage of the second triode VT2 is connected with the collector electrode of the 3rd triode VT3, the base stage of the 3rd triode VT3 is connected with second end of the first electric capacity C1 and the first end of the 6th resistance R6 simultaneously, second end of the first resistance R1 is connected with the positive pole of voltage stabilizing didoe ZD and the adjustable side of potentiometer RP simultaneously, the first end of potentiometer RP is connected with the first end of the second resistance R2 and the first end of the 3rd resistance R3 simultaneously, second end of the second resistance R2 is connected with the collector electrode of the 7th triode VT7, second end of the 6th resistance R6 is connected with the first end of the second electric capacity C2, second end of the second electric capacity C2 is connected with second end of the 3rd resistance R3 and the base stage of the 8th triode VT8 simultaneously, the base stage of the 7th triode VT7 is connected with the first end of the 4th resistance R4 and the first end of the 3rd electric capacity C3 simultaneously, second end of the 4th resistance R4 is connected with second end of potentiometer RP and the first end of the 5th resistance R5 simultaneously, second end of the 5th resistance R5 is connected with the collector electrode of the 8th triode VT8, second end of the 3rd electric capacity C3 is connected with the first end of the 7th resistance R7, second end of the 7th resistance R7 is connected with the collector electrode of the 6th triode VT6 and second end of the 4th electric capacity C4 simultaneously, the collector electrode of the 6th triode VT6 is connected with the base stage of the 5th triode VT5.
As shown in Figure 1: the 7th triode VT7 in the utility model, 8th triode VT8, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, second electric capacity C2, 3rd electric capacity C3 forms multivibrator, after civil power is stopped power supply, multivibrator obtains electric starting of oscillation, the collector electrode of the 7th triode VT7 and the 8th triode VT8 exports the positive square waves of 50Hz in turn, this square wave is through the first electric capacity C1, 4th electric capacity C4, 6th resistance R6, the integrating circuit integration that 7th resistance R7 forms is shaped as sine wave, the second triode VT2 and the 5th triode VT5 is encouraged respectively again after the 3rd triode VT3 and the 6th triode VT6 paraphase amplify, make final stage first triode VT1 and the 4th triode VT4 conducting and cut-off in turn, the sinusoidal wave high pressure of 50Hz is finally exported by transformer T.
Claims (1)
1. a Low-cost inversion power circuit, it is characterized in that: comprise the first triode, second triode, 3rd triode, 4th triode, 5th triode, 6th triode, 7th triode, 8th triode, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, voltage stabilizing didoe, potentiometer, storage battery and transformer, the two ends of described transformer are connected with AC power, the first end of described transformer secondary output first coil is connected with the base stage of described first triode, second end of described transformer secondary output first coil is connected with the emitter of described second triode, the first end of described transformer secondary output second coil is connected with the emitter of described first triode, the tap of described transformer secondary output second coil is connected with the negative pole of described storage battery and the first end of described first resistance simultaneously, second end of described transformer secondary output second coil is connected with the emitter of described 4th triode, the first end of described transformer secondary output tertiary coil is connected with the emitter of described 5th triode, second end of described transformer secondary output tertiary coil is connected with the emitter of described 4th triode, the collector electrode of described first triode simultaneously with the positive pole of described storage battery, the collector electrode of described second triode, the emitter of described 3rd triode, the negative pole of described voltage stabilizing didoe, the first end of described first electric capacity, the emitter of described 7th triode, the emitter of described 8th triode, the first end of described 4th electric capacity, the emitter of described 6th triode, the collector electrode of described 5th triode is connected with the collector electrode of described 4th triode, the base stage of described second triode is connected with the collector electrode of described 3rd triode, the base stage of described 3rd triode is connected with the second end of described first electric capacity and the first end of described 6th resistance simultaneously, second end of described first resistance is connected with the positive pole of described voltage stabilizing didoe and the adjustable side of described potentiometer simultaneously, the first end of described potentiometer is connected with the first end of described second resistance and the first end of described 3rd resistance simultaneously, second end of described second resistance is connected with the collector electrode of described 7th triode, second end of described 6th resistance is connected with the first end of described second electric capacity, second end of described second electric capacity is connected with the second end of described 3rd resistance and the base stage of described 8th triode simultaneously, the base stage of described 7th triode is connected with the first end of described 4th resistance and the first end of described 3rd electric capacity simultaneously, second end of described 4th resistance is connected with the second end of described potentiometer and the first end of described 5th resistance simultaneously, second end of described 5th resistance is connected with the collector electrode of described 8th triode, second end of described 3rd electric capacity is connected with the first end of described 7th resistance, second end of described 7th resistance is connected with the collector electrode of described 6th triode and the second end of described 4th electric capacity simultaneously, the collector electrode of described 6th triode is connected with the base stage of described 5th triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692514.3U CN204334373U (en) | 2014-11-18 | 2014-11-18 | A kind of Low-cost inversion power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692514.3U CN204334373U (en) | 2014-11-18 | 2014-11-18 | A kind of Low-cost inversion power circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204334373U true CN204334373U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420692514.3U Expired - Fee Related CN204334373U (en) | 2014-11-18 | 2014-11-18 | A kind of Low-cost inversion power circuit |
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| Country | Link |
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| CN (1) | CN204334373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320014B (en) * | 2014-11-18 | 2017-02-22 | 胜利油田东强仪器仪表制造有限责任公司 | Inverter power supply circuit |
-
2014
- 2014-11-18 CN CN201420692514.3U patent/CN204334373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320014B (en) * | 2014-11-18 | 2017-02-22 | 胜利油田东强仪器仪表制造有限责任公司 | Inverter power supply circuit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20161118 |