CN206992669U - A kind of novel breaker - Google Patents
A kind of novel breaker Download PDFInfo
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- CN206992669U CN206992669U CN201720855682.3U CN201720855682U CN206992669U CN 206992669 U CN206992669 U CN 206992669U CN 201720855682 U CN201720855682 U CN 201720855682U CN 206992669 U CN206992669 U CN 206992669U
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Abstract
The utility model discloses a kind of novel breaker, including first resistor to the 7th resistance, first triode to the 5th triode, first electric capacity, second electric capacity and diode, pass through the 7th resistance, the integrating circuit that second electric capacity is formed charges to the second electric capacity, the product of 7th resistance and the second electric capacity determines the time that electrical equipment continuously works, when the second capacitance voltage is charged to the conducting voltage of the first triode, first triode ON, 4th triode ends, 4th triode output positive pulse is added to second level amplification, now, there is the base stage that a voltage reaches the 3rd triode through second resistance, end the 3rd triode, for the circuit breaker of electric power supply, circuit is automatically stopped work.The utility model is applied to the electrical appliance of small-sized DC power supply, it is necessary in the case of timing open circuit, and electrical appliance power supply is accessed by the utility model in its power input, can be regularly breaking, avoid forgetting the situation of shutdown, it is easy to use, there is the value of popularization and application.
Description
Technical field
It the utility model is related to electronic technology field, more particularly to a kind of novel breaker.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into primary cut-out by its use range
With low-voltage circuit breaker, in household electrical appliance, some electrical equipment are battery-powered, such as transistor radio, compact radio cassette recorder,
When using this electric appliances, people can forget to shut down, so that battery failure is caused, or even electrical equipment damage, therefore it is, it is necessary to a kind of
Novel breaker.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of novel breaker.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model includes first resistor to the 7th resistance, the first triode to the 5th triode, the first electric capacity, second
Electric capacity and diode, the first end of first resistor simultaneously with the negative pole of diode, the emitter stage of the first triode, the second triode
Emitter stage, the first end of 3rd resistor, the first end of the 5th resistance, the emitter stage of the 5th triode, the first of the 7th resistance
End connection, and be used as electrode input end and cathode output end, the second end of first resistor simultaneously with the first end of the first electric capacity and
The emitter stage connection of 3rd triode, and be used as negative input, the positive pole of diode and meanwhile with the second end of the first electric capacity and
The base stage connection of first triode, the colelctor electrode of the first triode simultaneously with the colelctor electrode of the second triode and second resistance the
One end is connected, and the second end of second resistance is connected with the base stage of the 3rd triode, and the base stage of the second triode is simultaneously electric with the 5th
Second end of resistance connect with the colelctor electrode of the 4th triode, the base stage of the 4th triode while the second end with 3rd resistor, the
The first end connection of four resistance, the emitter stage of the 4th triode simultaneously with the first end of the 6th resistance and the current collection of the 5th triode
Pole is connected, and the base stage of the 5th triode is connected with the second end of the 7th resistance and the first end of the second electric capacity simultaneously, the three or three pole
The colelctor electrode of pipe is connected with the second end, the second end of the 6th resistance and the second end of the second electric capacity of the 4th resistance simultaneously, and is made
For cathode output end.
The beneficial effects of the utility model are：
The utility model is a kind of novel breaker, and compared with prior art, the utility model supplies suitable for small-sized DC
The electrical appliance of electricity accesses electrical appliance power supply, i.e., in its power input, it is necessary in the case of timing open circuit by the utility model
Can be regularly breaking, avoid forgetting the situation of shutdown, it is easy to use, there is the value of popularization and application.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model includes first resistor R1 to the 7th resistance R7, the first triode VT1 to the five or three
Pole pipe VT5, the first electric capacity C1, the second electric capacity C2 and diode D, first resistor R1 first end simultaneously the negative pole with diode D,
First triode VT1 emitter stage, the second triode VT2 emitter stage, 3rd resistor R3 first end, the of the 5th resistance R5
One end, the first end connection of the 5th triode VT5 emitter stage, the 7th resistance R7, and exported as electrode input end and positive pole
End, first resistor R1 the second end is connected with the first electric capacity C1 first end and the 3rd triode VT3 emitter stage simultaneously, and is made
For negative input, diode D positive pole is connected with the first electric capacity C1 the second end and the first triode VT1 base stage simultaneously,
First triode VT1 colelctor electrode is connected with the second triode VT2 colelctor electrode and second resistance R2 first end simultaneously, and second
Resistance R2 the second end is connected with the 3rd triode VT3 base stage, and the second triode VT2 base stage is simultaneously with the 5th resistance R5's
Second end connects with the 4th triode VT4 colelctor electrode, the 4th triode VT4 base stage while second with 3rd resistor R3
End, the 4th resistance R4 first end connection, the 4th triode VT4 emitter stage while the first end and the 5th with the 6th resistance R6
Triode VT5 colelctor electrode connection, the 5th triode VT5 base stage while the second end with the 7th resistance R7 and the second electric capacity C2
First end connection, the 3rd triode VT3 colelctor electrode the second end with the 4th resistance R4, the 6th resistance R6 the second end simultaneously
Connected with the second electric capacity C2 the second end, and be used as cathode output end.
Operation principle of the present utility model is as follows：
The utility model forms two-stage differential amplifier, and the first order is by the first triode VT1 and the second triode VT2 groups
Into, when being powered to electrical appliance, charged by the integrating circuit that the 7th resistance R7, the second electric capacity C2 are formed to the second electric capacity C2,
7th resistance R7 and the second electric capacity C2 product determine the time that electrical equipment continuously works, when the second electric capacity C2 voltages are charged to first
During triode VT1 conducting voltage, the first triode VT1 conductings, the 4th triode VT4 cut-offs, the 4th triode VT4 outputs are just
Pulse is added to second level amplification, now, the base stage for having a voltage to reach the 3rd triode VT3 through second resistance R2, makes the three or three
Pole pipe VT3 ends, and is the circuit breaker of electric power supply, and circuit is automatically stopped work.
Component parameter as depicted, stream time are 10 hours, change the 7th resistance R7 or the second electric capacity C2
The setting working time can be changed, also the 7th resistance R7 or the second electric capacity C2 can be replaced by potentiometer or variable capacitance.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
- A kind of 1. novel breaker, it is characterised in that：Including first resistor to the 7th resistance, the first triode to the five or three pole Pipe, the first electric capacity, the second electric capacity and diode, the first end of first resistor negative pole with diode, the first triode simultaneously The transmitting of emitter stage, the emitter stage of the second triode, the first end of 3rd resistor, the first end, the 5th triode of the 5th resistance Pole, the first end connection of the 7th resistance, and be used as electrode input end and cathode output end, the second end of first resistor is simultaneously with the The first end of one electric capacity connects with the emitter stage of the 3rd triode, and is used as negative input, and the positive pole of diode is simultaneously with the Second end of one electric capacity connects with the base stage of the first triode, the colelctor electrode of the first triode while the current collection with the second triode Pole is connected with the first end of second resistance, and the second end of second resistance is connected with the base stage of the 3rd triode, the second triode Base stage is connected with the second end of the 5th resistance and the colelctor electrode of the 4th triode simultaneously, and the base stage of the 4th triode is simultaneously with the 3rd Second end of resistance, the first end connection of the 4th resistance, the emitter stage of the 4th triode simultaneously with the first end of the 6th resistance and The colelctor electrode connection of 5th triode, the base stage of the 5th triode simultaneously with the second end of the 7th resistance and the second electric capacity first End connection, the colelctor electrode of the 3rd triode simultaneously with the second end of the 4th resistance, the second end of the 6th resistance and the second electric capacity Second end connects, and is used as cathode output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855682.3U CN206992669U (en) | 2017-07-14 | 2017-07-14 | A kind of novel breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720855682.3U CN206992669U (en) | 2017-07-14 | 2017-07-14 | A kind of novel breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992669U true CN206992669U (en) | 2018-02-09 |
Family
ID=61404463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720855682.3U Active CN206992669U (en) | 2017-07-14 | 2017-07-14 | A kind of novel breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206992669U (en) |
-
2017
- 2017-07-14 CN CN201720855682.3U patent/CN206992669U/en active Active
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