CN106160526A - A kind of soft start current stabilization circuit - Google Patents
A kind of soft start current stabilization circuit Download PDFInfo
- Publication number
- CN106160526A CN106160526A CN201610601739.7A CN201610601739A CN106160526A CN 106160526 A CN106160526 A CN 106160526A CN 201610601739 A CN201610601739 A CN 201610601739A CN 106160526 A CN106160526 A CN 106160526A
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- audion
- pole
- negative pole
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
Abstract
The invention discloses a kind of soft start current stabilization circuit, it is characterised in that: mainly it is made up of transformator T, diode rectifier U, audion VT4, electric capacity C1, electric capacity C4, electric capacity C5, electric capacity C6, resistance R6, resistance R7, resistance R8, soft starting circuit and delay circuit.The present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through a process started, and rises to set-point with slower speed, to protect electronic product not impacted by surge；During startup, the present invention also ensures that the optimum delay time of about 30 seconds；It is suitable for promoting the use.
Description
Technical field
The present invention relates to a kind of soft starting circuit, particularly relate to a kind of soft start current stabilization circuit.
Background technology
Along with science and technology development, electronic technology is able to fast development, and electronics categories is more and more abundanter, various respectively
The electronic product of sample enters into the family of common people so that daily life also be unable to do without electronic product.Due to various
The performance of electronic product is not quite similar, and some electronic products need soft start when using, in order to protection electronic product is on startup
Do not impacted by surge.But, the structure being currently used for realizing soft start is the most more complicated, and the delay time started is relatively
Long, thus use to user and bring great inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of soft start current stabilization circuit, realize soft start to be solved being currently used for
Structure is the most more complicated, and the longer problem of delay time started.
The present invention is achieved through the following technical solutions:
A kind of soft start current stabilization circuit, mainly by transformator T, diode rectifier U, audion VT4, positive pole and diode
The electric capacity C1 that the positive output end of commutator U is connected, negative pole is connected with the negative output terminal of diode rectifier U, respectively with electricity
Holding the soft starting circuit that is connected with negative pole of positive pole of C1, positive pole is connected with soft starting circuit, negative pole and the negative pole of electric capacity C1
The electric capacity C4 being connected, the resistance that one end is connected with the positive pole of electric capacity C4, the other end is connected with the base stage of audion VT4
R6, the electric capacity C5 that positive pole is connected with the emitter stage of audion VT4, negative pole negative pole with electric capacity C4 after resistance R8 is connected,
The delay circuit being connected with the negative pole of negative pole and electric capacity C4 with the positive pole of electric capacity C5 respectively, positive pole respectively with soft starting circuit
Be connected with delay circuit, electric capacity C6 that negative pole is also connected with delay circuit, and one end is connected with the positive pole of electric capacity C6,
The resistance R7 composition that the other end is connected with the colelctor electrode of audion VT4；The two ends group of the former limit inductance coil of described transformator T
Become power input, an input of described diode rectifier U and the non-same polarity phase of the secondary inductance coil of transformator T
Connect, its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T.
Further, described soft starting circuit is by audion VT1, audion VT2, audion VT3, positive pole and audion
The electric capacity C2 that the base stage of VT2 is connected, negative pole is connected with the negative pole of electric capacity C1, is serially connected in negative pole and the audion of electric capacity C2
Resistance R1 between the base stage of VT2, the resistance R2 being serially connected between the colelctor electrode of audion VT1 and the base stage of audion VT2, string
The resistance R3 being connected between the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2, is serially connected in the colelctor electrode of audion VT1
And the resistance R4 between base stage, resistance R5, the P pole being serially connected between the base stage of audion VT1 and the emitter stage of audion VT3 with
The diode D2 that the colelctor electrode of audion VT2 is connected, N pole is connected with the base stage of audion VT3, positive pole and audion VT2
The electric capacity C3 that emitter stage is connected, negative pole is connected with the colelctor electrode of audion VT3, and the negative pole phase of P pole and electric capacity C2
The diode D1 composition that connection, N pole are connected with the emitter stage of audion VT2；The colelctor electrode of described audion VT1 and electric capacity C1
Positive pole be connected, its emitter stage is connected with the positive pole of electric capacity C6；The base stage of described audion VT3 and the positive pole phase of electric capacity C4
Connect.
Further, described delay circuit by audion VT5, positive pole is connected with the positive pole of electric capacity C6, negative pole with electricity
Holding the electric capacity C7 that is connected of negative pole of C4, one end is connected with the colelctor electrode of audion VT5, the other end and the negative pole phase of electric capacity C7
Resistance R9, the P pole connected is connected with the colelctor electrode of audion VT5, N pole negative pole with electric capacity C7 after resistance R10 is connected
Diode D3, the resistance R11 that one end is connected with the base stage of audion VT5, the other end is connected with the N pole of diode D3,
And P pole diode that N pole is connected, N pole is connected with the positive pole of electric capacity C7 with diode D3 after slide rheostat RP
D4 forms；The colelctor electrode of described three grades of VT5 is connected with the negative pole of electric capacity C5, its emitter stage respectively with positive pole and the electricity of electric capacity C5
The negative pole holding C6 is connected；The N pole of described diode D3 is connected with the control end of slide rheostat RP.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through one
The process started, rises to set-point with slower speed, to protect electronic product not impacted by surge.Start
Time, the present invention also ensures that the optimum delay time of about 30 seconds.
(2) stable operating current is provided for electronic product when the present invention can guarantee that electronic product loaded work piece, to prevent
Electronic product is compromised due to the fluctuation of operating current.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, the soft start current stabilization circuit of the present invention, mainly by transformator T, diode rectifier U, audion
VT4, electric capacity C1, electric capacity C4, electric capacity C5, electric capacity C6, resistance R6, resistance R7, resistance R8, soft starting circuit and delay circuit group
Become.
During connection, the positive pole of described electric capacity C1 is connected with the positive output end of diode rectifier U, its negative pole and diode
The negative output terminal of commutator U is connected.Described soft starting circuit is connected with positive pole and the negative pole of electric capacity C1 respectively；Described electric capacity
The positive pole of C4 is connected with soft starting circuit, and its negative pole is connected with the negative pole of electric capacity C1.One end of described resistance R6 and electric capacity
The positive pole of C4 is connected, and its other end is connected with the base stage of audion VT4.The positive pole of described electric capacity C5 is with audion VT4's
Emitter stage is connected, and its negative pole negative pole with electric capacity C4 after resistance R8 is connected.Described delay circuit is respectively with electric capacity C5's
Positive pole is connected with the negative pole of negative pole and electric capacity C4；The positive pole of described electric capacity C6 respectively with soft starting circuit and delay circuit phase
Connecting, its negative pole is also connected with delay circuit.One end of described resistance R7 is connected with the positive pole of electric capacity C6, its other end with
The colelctor electrode of audion VT4 is connected.
Meanwhile, the two ends composition power input of the former limit inductance coil of described transformator T, this power input can be direct
Connect civil power.One input of described diode rectifier U is connected with the non-same polarity of the secondary inductance coil of transformator T
Connecing, its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T.
Described soft starting circuit is by audion VT1, audion VT2, audion VT3, resistance R1, resistance R2, resistance R3, electricity
Resistance R4, resistance R5, electric capacity C2, electric capacity C3, diode D1 and diode D2 composition.
During connection, the positive pole of described electric capacity C2 is connected with the base stage of audion VT2, the negative pole phase of its negative pole and electric capacity C1
Connect.Described resistance R1 is serially connected between the negative pole of electric capacity C2 and the base stage of audion VT2, and described resistance R2 is serially connected in audion
Between colelctor electrode and the base stage of audion VT2 of VT1, described resistance R3 is serially connected in colelctor electrode and the audion VT2 of audion VT1
Colelctor electrode between, described resistance R4 is serially connected between colelctor electrode and the base stage of audion VT1, and described resistance R5 is serially connected in three poles
Between base stage and the emitter stage of audion VT3 of pipe VT1.The P pole of described diode D2 is connected with the colelctor electrode of audion VT2
Connecing, its N pole is connected with the base stage of audion VT3.The positive pole of described electric capacity C3 is connected with the emitter stage of audion VT2, its
Negative pole is connected with the colelctor electrode of audion VT3.The P pole of described diode D1 is connected with the negative pole of electric capacity C2, its N pole and three
The emitter stage of pole pipe VT2 is connected.Meanwhile, the colelctor electrode of described audion VT1 is connected with the positive pole of electric capacity C1, its emitter stage
It is connected with the positive pole of electric capacity C6；The base stage of described audion VT3 is connected with the positive pole of electric capacity C4.
Described delay circuit is by audion VT5, resistance R9, resistance R10, resistance R11, slide rheostat RP, electric capacity C7, two
Pole pipe D3 and diode D4 composition.
During connection, the positive pole of described electric capacity C7 is connected with the positive pole of electric capacity C6, and its negative pole is connected with the negative pole of electric capacity C4
Connect.One end of described resistance R9 is connected with the colelctor electrode of audion VT5, and its other end is connected with the negative pole of electric capacity C7.Institute
The colelctor electrode of the P pole and audion VT5 of stating diode D3 is connected, and its N pole negative pole with electric capacity C7 after resistance R10 is connected
Connect.One end of described resistance R11 is connected with the base stage of audion VT5, and its other end is connected with the N pole of diode D3.Institute
Stating the N pole with diode D3 after slide rheostat RP, the P pole of diode D4 to be connected, its N pole is connected with the positive pole of electric capacity C7
Connect.Meanwhile, the colelctor electrode of described three grades of VT5 is connected with the negative pole of electric capacity C5, its emitter stage respectively with the positive pole of electric capacity C5 and
The negative pole of electric capacity C6 is connected；The N pole of described diode D3 is connected with the control end of slide rheostat RP.
The present invention can realize the soft start to electronic product, and after making the present invention switch on power, output voltage is through a startup
Process, rise to set-point with slower speed, to protect electronic product not impacted by surge.During startup,
The present invention also ensures that the optimum delay time of about 30 seconds.The present invention is electronic product when can guarantee that electronic product loaded work piece
There is provided stable operating current, to prevent electronic product to be compromised due to the fluctuation of operating current.
As it has been described above, just can preferably realize the present invention.
Claims (3)
1. a soft start current stabilization circuit, it is characterised in that: main by transformator T, diode rectifier U, audion VT4, just
The electric capacity that pole is connected with the positive output end of diode rectifier U, negative pole is connected with the negative output terminal of diode rectifier U
C1, the soft starting circuit being connected with positive pole and the negative pole of electric capacity C1 respectively, positive pole is connected with soft starting circuit, negative pole with electricity
Holding the electric capacity C4 that the negative pole of C1 is connected, one end is connected with the positive pole of electric capacity C4, the other end is connected with the base stage of audion VT4
The resistance R6 connect, positive pole is connected with the emitter stage of audion VT4, negative pole negative pole with electric capacity C4 after resistance R8 is connected
Electric capacity C5, the delay circuit being connected with the negative pole of negative pole and electric capacity C4 with the positive pole of electric capacity C5 respectively, positive pole is respectively with soft
The electric capacity C6 that start-up circuit is connected with delay circuit, negative pole is also connected with delay circuit, and one end is with electric capacity C6 just
The resistance R7 composition that pole is connected, the other end is connected with the colelctor electrode of audion VT4；The former limit inductor wire of described transformator T
The two ends composition power input of circle, an input of described diode rectifier U and the secondary inductance coil of transformator T
Non-same polarity is connected, its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T.
A kind of soft start current stabilization circuit the most according to claim 1, it is characterised in that: described soft starting circuit is by audion
VT1, audion VT2, audion VT3, positive pole is connected with the base stage of audion VT2, negative pole is connected with the negative pole of electric capacity C1
Electric capacity C2, the resistance R1 being serially connected between the negative pole of electric capacity C2 and the base stage of audion VT2, be serially connected in the collection of audion VT1
Resistance R2 between the base stage of electrode and audion VT2, is serially connected in the colelctor electrode of audion VT1 and the colelctor electrode of audion VT2
Between resistance R3, be serially connected in the resistance R4 between colelctor electrode and the base stage of audion VT1, be serially connected in the base stage of audion VT1
And resistance R5, the P pole between the emitter stage of audion VT3 is connected with the colelctor electrode of audion VT2, N pole and audion VT3
The diode D2 that base stage is connected, positive pole is connected with the emitter stage of audion VT2, the colelctor electrode phase of negative pole and audion VT3
The electric capacity C3 connected, and the diode that P pole is connected with the negative pole of electric capacity C2, N pole is connected with the emitter stage of audion VT2
D1 forms；The colelctor electrode of described audion VT1 is connected with the positive pole of electric capacity C1, and its emitter stage is connected with the positive pole of electric capacity C6
Connect；The base stage of described audion VT3 is connected with the positive pole of electric capacity C4.
A kind of soft start current stabilization circuit the most according to claim 2, it is characterised in that: described delay circuit is by audion
VT5, the electric capacity C7 that positive pole is connected with the positive pole of electric capacity C6, negative pole is connected with the negative pole of electric capacity C4, one end and audion VT5
Resistance R9, the P pole that colelctor electrode is connected, the other end is connected with the negative pole of electric capacity C7 be connected with the colelctor electrode of audion VT5
Connect, diode D3 that N pole negative pole with electric capacity C7 after resistance R10 is connected, one end is connected with the base stage of audion VT5,
The resistance R11 that the other end is connected with the N pole of diode D3, and P pole after slide rheostat RP with the N pole phase of diode D3
The diode D4 composition that connection, N pole are connected with the positive pole of electric capacity C7；The colelctor electrode of described three grades of VT5 and the negative pole of electric capacity C5
Being connected, its emitter stage is connected with the positive pole of electric capacity C5 and the negative pole of electric capacity C6 respectively；The N pole of described diode D3 and slip
The control end of rheostat RP is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601739.7A CN106160526A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601739.7A CN106160526A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160526A true CN106160526A (en) | 2016-11-23 |
Family
ID=58060964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601739.7A Pending CN106160526A (en) | 2016-07-27 | 2016-07-27 | A kind of soft start current stabilization circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160526A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL423694A1 (en) * | 2017-12-04 | 2019-06-17 | Instytut Tele-I Radiotechniczny | Soft start and cargo unloading system |
| CN113809909A (en) * | 2021-10-21 | 2021-12-17 | 湖南北顺源智能科技有限公司 | Starting circuit of direct-current high-voltage switching power supply |
-
2016
- 2016-07-27 CN CN201610601739.7A patent/CN106160526A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL423694A1 (en) * | 2017-12-04 | 2019-06-17 | Instytut Tele-I Radiotechniczny | Soft start and cargo unloading system |
| CN113809909A (en) * | 2021-10-21 | 2021-12-17 | 湖南北顺源智能科技有限公司 | Starting circuit of direct-current high-voltage switching power supply |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |