CN107465405A - A kind of persistence level turns impulse circuit - Google Patents
A kind of persistence level turns impulse circuit Download PDFInfo
- Publication number
- CN107465405A CN107465405A CN201710841817.5A CN201710841817A CN107465405A CN 107465405 A CN107465405 A CN 107465405A CN 201710841817 A CN201710841817 A CN 201710841817A CN 107465405 A CN107465405 A CN 107465405A
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- triode
- load resistance
- starting switch
- electric capacity
- power
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- 230000002688 persistence Effects 0.000 title claims abstract description 19
- 230000009466 transformation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 6
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 235000010675 chips/crisps Nutrition 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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- Circuits Of Receivers In General (AREA)
Abstract
The invention discloses a kind of persistence level to turn impulse circuit, including：Power input VCC, the starting switch K1 being connected with power input VCC；Load resistance R1, triode Q1, electric capacity C1.Pole pipe Q1 base stage is connected by load resistance R1 with starting switch K1, and colelctor electrode is connected with starting switch K1, and electric capacity C1 is connected with triode Q1 colelctor electrode with emitter stage；Diode D1, one end are connected with triode Q1 emitter stage, and the other end is grounded by load resistance R2；Power output end VOUT, it is in parallel with the load resistance R2.The present invention is by accessing a lasting level signal, persistence level signal is converted into pulse signal, by flexibly changing resistance, capacitance parameter, the pulse signal of satisfactory amplitude and time width can be produced, the electricity of electric capacity quickly can be allowed to dry by triode simultaneously, circuit stability of the present invention is reliable, simple in construction, does not consume any power consumption substantially.
Description
Technical field
The present invention relates to level to turn pulse technique field, more particularly to a kind of persistence level turns impulse circuit.
Background technology
Pulse signal can be used for representing information, may also be used for as the pulse code in carrier wave, such as impulse modulation
Modulation（PCM）, pulse width modulation（PWM）Deng being also used as various digital circuits, the clock signal of high performance chipses.Arteries and veins
Rush signal to may also be used for triggering single-chip microcomputer, after controlling the single-chip microcomputer of battery pack when power is off to switch on power, battery pack can quilt
Charging activation, and the signal then need to only produce in the moment that charger is plugged, so activation signal can be certain amplitude width
Pulse signal, single-chip microcomputer is known that whether charger is being switched on by detecting the signal.In battery applications field, generally
To power consumption by comparing strict requirements, it is desirable to which power consumption is more low better.And many times, the initial signal that circuit obtains is to continue electricity
Ordinary mail number, persistence level signal can continue to produce power consumption, and circuit is only merely to need a triggering in itself, now by electricity
Ordinary mail number is converted to pulse signal, just there is very big use value.In the prior art, when trigger signal width is too short or width
It is worth the too low effect that can not all reach triggering, so trigger signal needs to control in a range of time and amplitude, so
It can reach triggering effect, while the signal triggered should be taken into account that trigger signal can be still sent when the voltage of battery pack is relatively low,
Trigger signal is only used as a simple function, and past design circuit is complex, more using device, or is in response to
Slowly, power consumption is high.
Therefore, prior art needs to improve.
The content of the invention
A technical problem to be solved of the embodiment of the present invention is：A kind of persistence level is provided and turns impulse circuit, with solution
Certainly problems of the prior art.
One side according to embodiments of the present invention, there is provided a kind of persistence level turn impulse circuit, including：
Power input VCC, the power input VCC provide input power for circuit；
Starting switch K1, the starting switch K1 is connected with the power input VCC, after the starting switch K1 starts,
The power input VCC starts to power；
Load resistance R1, triode Q1, electric capacity C1, the base stage of the triode Q1 pass through load resistance R1 and the starting switch
K1 connections, triode Q1 colelctor electrode are connected with the starting switch K1, the electric capacity C1 and triode Q1 colelctor electrode
It is connected with emitter stage；
Diode D1, described diode D1 one end are connected with the emitter stage of the triode Q1, and the other end passes through load resistance R2
Ground connection；
Power output end VOUT, the power output end VOUT is in parallel with the load resistance R2.
Turned based on the above-mentioned persistence level of the present invention in another embodiment of impulse circuit, the load resistance R1 is variable
Resistance.
Turned based on the above-mentioned persistence level of the present invention in another embodiment of impulse circuit, the electric capacity C1 is can power transformation
Hold.
Compared with prior art, the present invention includes advantages below：
Persistence level signal is converted into pulse signal, by flexibly changing by the present invention by accessing a lasting level signal
Become resistance, capacitance parameter, can produce the pulse signal of satisfactory amplitude and time width, at the same diode can quickly by
The electricity of electric capacity is allowed to dry, and adjustable pulse width of the present invention, response speed is adjustable, is adjusted by adjusting parameter to suitable pulsewidth, for MCU
Used Deng subsequent conditioning circuit, circuit stability is reliable, simple in construction, does not consume any power consumption substantially.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used in technology description to do one simply to introduce, it should be apparent that, drawings in the following description are of the invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the circuit diagram that the persistence level of the present invention turns one embodiment of impulse circuit.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment only
It is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Turn impulse circuit to a kind of persistence level provided by the invention with reference to the accompanying drawings and examples to carry out in more detail
Explanation.
Fig. 1 is the circuit diagram that the persistence level of the present invention turns one embodiment of impulse circuit, as shown in figure 1, the implementation
The persistence level of example, which turns impulse circuit, to be included：
Power input VCC, the power input VCC provide input power for circuit；
Starting switch K1, the starting switch K1 is connected with the power input VCC, after the starting switch K1 starts,
The power input VCC starts to power；
Load resistance R1, triode Q1, electric capacity C1, the base stage of the triode Q1 pass through load resistance R1 and the starting switch
K1 connections, triode Q1 colelctor electrode are connected with the starting switch K1, the electric capacity C1 and triode Q1 colelctor electrode
It is connected with emitter stage；
Diode D1, described diode D1 one end are connected with the emitter stage of the triode Q1, and the other end passes through load resistance R2
Ground connection；
Power output end VOUT, the power output end VOUT is in parallel with the load resistance R2.
The load resistance R1 is variable resistor.
The electric capacity C1 is variable capacitance.
In the application of reality, by closing starting switch K1 and accessing power input VCC, electric capacity C1 is charged, by
In electric capacity C1 can not catastrophe characteristicses, then power output end VOUT will collect high level, with electric capacity C1 lasting charging, electricity
Source output terminal VOUT level is by gradual step-down, by setting different electric capacity C1 capacitance to make power output end VOUT height
Level continues the regular hour, to reach required pulse width requirement, obtains pulse signal；
Electric capacity C1 is fully charged, and trigger signal is sent, and loop disconnects automatically, and electric capacity C1 will discharge, because diode D1 cut-off is made
With electric capacity C1 electricity discharges quickly through triode Q1, realizes the quick response of circuit；
By flexibly changing resistance R1 and electric capacity C1 parameter, the pulse signal of different amplitudes and time width can be produced, it is real
Existing adjustable pulse width, response speed is adjustable.
Turn impulse circuit to a kind of persistence level provided by the present invention above to be described in detail, it is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application, in summary, this specification content should not be construed as to the present invention's
Limitation.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of persistence level turns impulse circuit, it is characterised in that including：
Power input VCC, the power input VCC provide input power for circuit；
Starting switch K1, the starting switch K1 is connected with the power input VCC, after the starting switch K1 starts,
The power input VCC starts to power；
Load resistance R1, triode Q1, electric capacity C1, the base stage of the triode Q1 pass through load resistance R1 and the starting switch
K1 connections, triode Q1 colelctor electrode are connected with the starting switch K1, the electric capacity C1 and triode Q1 colelctor electrode
It is connected with emitter stage；
Diode D1, described diode D1 one end are connected with the emitter stage of the triode Q1, and the other end passes through load resistance R2
Ground connection；
Power output end VOUT, the power output end VOUT is in parallel with the load resistance R2.
2. persistence level according to claim 1 turns impulse circuit, it is characterised in that the load resistance R1 is can power transformation
Resistance.
3. persistence level according to claim 1 turns impulse circuit, it is characterised in that the electric capacity C1 is variable capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841817.5A CN107465405A (en) | 2017-09-18 | 2017-09-18 | A kind of persistence level turns impulse circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841817.5A CN107465405A (en) | 2017-09-18 | 2017-09-18 | A kind of persistence level turns impulse circuit |
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| Publication Number | Publication Date |
|---|---|
| CN107465405A true CN107465405A (en) | 2017-12-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841817.5A Pending CN107465405A (en) | 2017-09-18 | 2017-09-18 | A kind of persistence level turns impulse circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081558A (en) * | 2011-01-24 | 2011-06-01 | 北京北大千方科技有限公司 | Watchdog circuit in on-board unit and on-board unit |
| CN104009739A (en) * | 2014-05-22 | 2014-08-27 | 湖南工业大学 | On-off control method and device of switch capable of achieving automatic outage in standby process |
| CN105049000A (en) * | 2015-08-24 | 2015-11-11 | 桂林电子科技大学 | Optional-pulse-width narrow pulse generator |
| CN106208225A (en) * | 2016-08-11 | 2016-12-07 | 东莞博力威电池有限公司 | The charging active circuit of rechargeable battery |
| CN207218654U (en) * | 2017-09-18 | 2018-04-10 | 东莞博力威电池有限公司 | A kind of persistence level turns impulse circuit |
-
2017
- 2017-09-18 CN CN201710841817.5A patent/CN107465405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081558A (en) * | 2011-01-24 | 2011-06-01 | 北京北大千方科技有限公司 | Watchdog circuit in on-board unit and on-board unit |
| CN104009739A (en) * | 2014-05-22 | 2014-08-27 | 湖南工业大学 | On-off control method and device of switch capable of achieving automatic outage in standby process |
| CN105049000A (en) * | 2015-08-24 | 2015-11-11 | 桂林电子科技大学 | Optional-pulse-width narrow pulse generator |
| CN106208225A (en) * | 2016-08-11 | 2016-12-07 | 东莞博力威电池有限公司 | The charging active circuit of rechargeable battery |
| CN207218654U (en) * | 2017-09-18 | 2018-04-10 | 东莞博力威电池有限公司 | A kind of persistence level turns impulse circuit |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 523000 Tongsha New Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Applicant after: Guangdong Boliwei Technology Co., Ltd. Address before: 523000 new industrial zone, Dongcheng District, Guangdong, Dongguan Applicant before: DongGuan Greenway Battery Co., Ltd. |