CN107659136A - A kind of soft start mu balanced circuit based on surge restraint circuit - Google Patents
A kind of soft start mu balanced circuit based on surge restraint circuit Download PDFInfo
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- CN107659136A CN107659136A CN201711055100.4A CN201711055100A CN107659136A CN 107659136 A CN107659136 A CN 107659136A CN 201711055100 A CN201711055100 A CN 201711055100A CN 107659136 A CN107659136 A CN 107659136A
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- triode
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- 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
- H02M1/14—Arrangements for reducing ripples from dc input or output
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of soft start mu balanced circuit based on surge restraint circuit, it is characterised in that：Mainly it is made up of transformer T, diode rectifier U, triode VT4, resistance R3, resistance R4, electric capacity C1, electric capacity C4, diode D2, diode D3, soft start process circuit, source electrode constant-current drive circuit, surge restraint circuit and delay startup circuit.The present invention can be achieved, to the soft start of electronic product, to make the present invention switch on power after output voltage pass through the process of a startup, set-point is risen to slower speed, to protect electronic product not impacted on startup by surge；During startup, the present invention also ensures the optimum delay time of 30 seconds or so；It is adapted to promote the use.
Description
Technical field
The present invention relates to a kind of soft starting circuit, more particularly to a kind of soft start voltage stabilizing electricity based on surge restraint circuit
Road.
Background technology
With the development of science and technology, electronic technology is able to fast development, and electronics categories are increasingly abundanter, various each
The electronic product of sample enters 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, some electronic products using when need soft start, to protect electronic product on startup
Do not impacted by surge.But currently used for realizing that the structure of soft start is all more complicated, and start delay time compared with
It is long, so as to bring great inconvenience to user's use.
The content of the invention
It is an object of the invention to provide a kind of soft start mu balanced circuit based on surge restraint circuit, to mesh to be solved
The problem of preceding to be used to realize that the structure of soft start is all more complicated, and the delay time started is longer.
The present invention is achieved through the following technical solutions：
A kind of soft start mu balanced circuit based on surge restraint circuit, mainly by transformer T, diode rectifier U, three poles
Pipe VT4, positive pole is connected with diode rectifier U positive output end, negative pole is connected with diode rectifier U negative output terminal
Electric capacity C1, the soft start process circuit being connected respectively with electric capacity C1 positive pole and negative pole, positive pole and soft start process circuit
It is connected, the electric capacity C4 that negative pole is connected with electric capacity C1 negative pole, one end is connected with electric capacity C4 positive pole, the other end and three poles
Resistance R3, the P pole that pipe VT4 base stage is connected is connected with electric capacity C4 negative pole, N poles are connected with triode VT4 emitter stage
The diode D2 connect, the delay startup circuit being connected respectively with triode VT4 emitter stage and diode D2 P poles, respectively
The source electrode constant-current drive circuit being connected with electric capacity C1 negative pole and delay startup circuit, P poles are connected with delay startup circuit,
The diode D3 that N poles are connected after resistance R4 with triode VT4 colelctor electrode, and respectively with diode D3 N poles and electricity
Hold the surge restraint circuit composition that C4 positive pole is connected；The both ends composition power supply of the primary side inductance coil of the transformer T is defeated
Enter end, an input of the diode rectifier U is connected with the non-same polarity of transformer T secondary inductance coil, it
Another input is connected with the Same Name of Ends of transformer T secondary inductance coil；At the N poles of the diode D3 and soft start
Reason circuit is connected；
The source electrode constant-current drive circuit triode VT7, triode VT8, is serially connected in FET Q1 by FET Q1
Grid and electric capacity C1 negative pole between resistance R101, P pole be connected after resistance R102 with FET Q1 grid, N
The diode D101 that pole is connected with triode VT7 base stage, base stage of the positive pole with triode VT7 after resistance R103 are connected
Connect, the electric capacity C103 of negative pole ground connection, positive pole is connected with FET Q1 drain electrode, negative pole is connected with triode VT7 base stage
The electric capacity C102 connect, the resistance R104 being serially connected between FET Q1 source electrode and triode VT7 emitter stage, positive pole and field
Electric capacity C101, the P pole that effect pipe Q1 grid is connected, negative pole is grounded through resistance R106 is connected with triode VT8 base stage,
The diode D102 that N poles are connected after resistance R105 with electric capacity C101 negative pole, and the colelctor electrode of positive pole and triode VT7
It is connected, the electric capacity C104 compositions of negative pole ground connection；The colelctor electrode of the triode VT7 respectively with diode D102 N poles and three
Pole pipe VT8 colelctor electrode is connected, and its base stage is connected with triode VT8 emitter stage；The base stage of the triode VT8 is with prolonging
When start-up circuit be connected.
Further, the surge restraint circuit is by FET Q2, and triode VT9, triode VT10, P poles are through resistance
It is connected after R9 with FET Q2 grid, the diode D5 that N poles are connected with FET Q2 source electrode, positive pole is imitated with field
Should pipe Q2 grid be connected, the electric capacity C7 that negative pole is connected with triode VT9 base stage, one end and FET Q2 drain electrode
It is connected, the resistance R10 that the other end is connected with triode VT9 base stage, positive pole is connected with triode VT9 colelctor electrode,
Electric capacity C8, the P pole that negative pole is connected after resistance R11 with FET Q2 source electrode is connected with triode VT9 emitter stage,
The diode D6 that N poles are connected with triode VT10 colelctor electrode, it is serially connected in triode VT9 base stage and triode VT10 collection
Resistance R13 between electrode, the resistance R14 being serially connected between triode VT10 colelctor electrode and base stage, is serially connected in triode
Resistance R12 between VT10 emitter stage and electric capacity C8 negative pole, and P poles are connected with triode VT10 base stage, N poles with
The diode D7 compositions that electric capacity C4 positive pole is connected；The P poles of the diode D5 are connected with diode D3 N poles.
Further, the soft start process circuit is by triode VT1, and triode VT2, triode VT3, positive pole is through electricity
Resistance R1 after be connected with triode VT2 colelctor electrode, the electric capacity C2 that negative pole is connected with triode VT3 emitter stage, one end with
The resistance R2 that electric capacity C2 positive pole is connected, the other end is connected with triode VT2 base stage, the collection of positive pole and triode VT3
The electric capacity C3 that electrode is connected, negative pole is connected with triode VT3 base stage, and P poles are connected with triode VT3 emitter stage
Connect, the diode D1 compositions that N poles are connected with triode VT3 base stage；The base stage of the triode VT1 is with triode VT2's
Emitter stage is connected, and its colelctor electrode is connected with triode VT2 colelctor electrode and electric capacity C1 positive pole respectively, its emitter stage and two
Pole pipe D3 N poles are connected；The colelctor electrode of the triode VT3 respectively with triode VT2 base stage and electric capacity C4 positive pole phase
Connection, its emitter stage are connected with electric capacity C4 negative pole.
Further, the delay startup circuit is by triode VT5, triode VT6, one end and triode VT5 collection
The resistance R5 that electrode is connected, the other end is connected with diode D2 P poles, positive pole is connected with diode D3 N poles, negative pole
The electric capacity C5 being connected with triode VT5 base stage, one end is connected with electric capacity C5 positive pole, the other end and triode VT6
Resistance R7, the P pole that emitter stage is connected is connected after resistance R6 with diode D2 P poles, N poles after resistance R8 with triode
The diode D4 that VT6 colelctor electrode is connected, one end is connected with diode D4 P poles, the other end and triode VT6 transmitting
The slide rheostat RP that pole is connected, and positive pole is connected with diode D4 N poles, negative pole is extremely connected with diode D2 P
The electric capacity C6 compositions connect；The base stage of the triode VT5 is connected with slide rheostat RP control terminal, its colelctor electrode and three poles
Pipe VT4 emitter stage is connected；The base stage of the triode VT6 and electric capacity C6 negative pole collectively constitute the defeated of delay startup circuit
Go out end, triode VT6 base stage is also connected with diode D3 N poles；The base stage of the triode VT8 and triode VT5
Base stage be connected.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention can be achieved to the soft start of electronic product, make the present invention switch on power after output voltage pass through one
The process of startup, set-point is risen to slower speed, to protect electronic product not impacted on startup by surge.Start
When, the present invention also ensures the optimum delay time of 30 seconds or so.
(2) present invention not only can protect electronic product not impacted by surge when starting electronic product, and use
During high surge current can also be suppressed, in the range of surge current effectively is reduced into permission, so as to enter one
Step protection electronic product.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the circuit diagram of the source electrode constant-current drive circuit of the present invention.
Fig. 3 is the circuit diagram of the surge restraint circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment
As shown in figure 1, the soft start mu balanced circuit based on surge restraint circuit of the present invention, mainly by transformer T, two poles
Pipe rectifier U, triode VT4, resistance R3, resistance R4, electric capacity C1, electric capacity C4, diode D2, diode D3, soft start processing
Circuit, source electrode constant-current drive circuit, surge restraint circuit and delay startup circuit composition.
During connection, the positive pole of the electric capacity C1 is connected with diode rectifier U positive output end, its negative pole and diode
Rectifier U negative output terminal is connected；The soft start process circuit is connected with electric capacity C1 positive pole and negative pole respectively.It is described
Electric capacity C4 positive pole is connected with soft start process circuit, and negative pole is connected with electric capacity C1 negative pole.One end of the resistance R3
It is connected with electric capacity C4 positive pole, its other end is connected with triode VT4 base stage.The P poles of the diode D2 and electric capacity
C4 negative pole is connected, and its N pole is connected with triode VT4 emitter stage.The surge restraint circuit respectively with diode D3
N poles be connected with electric capacity C4 positive pole, the delay startup circuit respectively with triode VT4 emitter stage and diode D2
P poles are connected.The P poles of the diode D3 are connected with delay startup circuit, and its N pole is after resistance R4 with triode VT4's
Colelctor electrode is connected.
Meanwhile the both ends composition power input of the primary side inductance coil of the transformer T, in use, the power input
End can be directly connected to civil power.An input of the diode rectifier U is non-of the same name with transformer T secondary inductance coil
End is connected, and its another input is connected with the Same Name of Ends of transformer T secondary inductance coil.The N of the diode D3
Pole is connected with soft start process circuit.
The soft start process circuit is by triode VT1, triode VT2, triode VT3, resistance R1, resistance R2, electric capacity
C2, electric capacity C3 and diode D1 are formed.
During connection, the colelctor electrode of the positive pole of the electric capacity C2 with triode VT2 after resistance R1 is connected, its negative pole and three
Pole pipe VT3 emitter stage is connected.One end of the resistance R2 is connected with electric capacity C2 positive pole, its other end and triode
VT2 base stage is connected.The positive pole of the electric capacity C3 is connected with triode VT3 colelctor electrode, and its negative pole is with triode VT3's
Base stage is connected.The P poles of the diode D1 are connected with triode VT3 emitter stage, its N pole and triode VT3 base stage
It is connected.Meanwhile the base stage of the triode VT1 is connected with triode VT2 emitter stage, its colelctor electrode respectively with triode
VT2 colelctor electrode is connected with electric capacity C1 positive pole, and its emitter stage is connected with diode D3 N poles.The triode VT3's
Colelctor electrode is connected with triode VT2 base stage and electric capacity C4 positive pole respectively, and its emitter stage is connected with electric capacity C4 negative pole.
The delay startup circuit is sliding by triode VT5, triode VT6, resistance R5, resistance R6, resistance R7, resistance R8
Dynamic rheostat RP, electric capacity C5, electric capacity C6 and diode D4 composition.
During connection, one end of the resistance R5 is connected with triode VT5 colelctor electrode, and its other end is with diode D2's
P poles are connected.The positive pole of the electric capacity C5 is connected with diode D3 N poles, and its negative pole is connected with triode VT5 base stage
Connect.One end of the resistance R7 is connected with electric capacity C5 positive pole, and its other end is connected with triode VT6 emitter stage.Institute
The P poles for stating diode D4 are connected after resistance R6 with diode D2 P poles, its collection of N poles after resistance R8 with triode VT6
Electrode is connected.One end of the slide rheostat RP is connected with diode D4 P poles, and its other end is with triode VT6's
Emitter stage is connected.The positive pole of the electric capacity C6 its negative pole that is connected with diode D4 N poles is extremely connected with diode D2 P
Connect.
Meanwhile the base stage of the triode VT5 is connected with slide rheostat RP control terminal, its colelctor electrode and triode
VT4 emitter stage is connected.The base stage of the triode VT6 collectively constitutes the output of delay startup circuit with electric capacity C6 negative pole
End, in use, the output end can be directly connected to electronic product load.N pole of the base stage of the triode VT6 also with diode D3
It is connected.
As shown in Fig. 2 the source electrode constant-current drive circuit is by FET Q1, triode VT7, triode VT8, resistance
R101, resistance R102, resistance R103, resistance R104, resistance R105, resistance R106, electric capacity C101, electric capacity C102, electric capacity C103,
Electric capacity C104, diode D101 and diode D102 are formed.
During connection, the resistance R101 is serially connected between FET Q1 grid and electric capacity C1 negative pole；Two pole
Grid of the pipe D101 P poles with FET Q1 after resistance R102 is connected, and its N pole is connected with triode VT7 base stage.
Base stage of the positive pole of the electric capacity C103 with triode VT7 after resistance R103 is connected, its negative pole ground connection.The electric capacity C102
Positive pole be connected with FET Q1 drain electrode, its negative pole is connected with triode VT7 base stage.The resistance R104 concatenations
Between scene effect pipe Q1 source electrode and triode VT7 emitter stage；The positive pole of the electric capacity C101 and FET Q1 grid
Pole is connected, and its negative pole is grounded through resistance R106.The diode D102 hairs P poles are connected with triode VT8 base stage, its N
Negative pole of the pole with electric capacity C101 after resistance R105 is connected.The positive pole of the electric capacity C104 and triode VT7 colelctor electrode phase
Connection, its negative pole ground connection.
Meanwhile the colelctor electrode of the triode VT7 respectively with diode D102 N poles and triode VT8 colelctor electrode phase
Connection, its base stage are connected with triode VT8 emitter stage；The base stage of the triode VT8 is connected with delay startup circuit.
In use, the source electrode constant-current drive circuit can ensure that the constant electric current of supply load, worked with driving load preferably.
As shown in figure 3, the surge restraint circuit is by FET Q2, triode VT9, triode VT10, resistance R9, electricity
Hinder R10, resistance R11, resistance R12, resistance R13, resistance R14, electric capacity C7, electric capacity C8, diode D5, diode D6 and two poles
Pipe D7 is formed.
During connection, the grid of the P poles of the diode D5 with FET Q2 after resistance R9 is connected, its N pole and field
Effect pipe Q2 source electrode is connected.The positive pole of the electric capacity C7 is connected with FET Q2 grid, its negative pole and triode
VT9 base stage is connected.One end of the resistance R10 is connected with FET Q2 drain electrode, its other end and triode VT9
Base stage be connected.The positive pole of the electric capacity C8 is connected with triode VT9 colelctor electrode, its negative pole after resistance R11 with field
Effect pipe Q2 source electrode is connected.The P poles of the diode D6 are connected with triode VT9 emitter stage, its N pole and triode
VT10 colelctor electrode is connected.The resistance R13 is serially connected between triode VT9 base stage and triode VT10 colelctor electrode,
The resistance R14 is serially connected between triode VT10 colelctor electrode and base stage, and the resistance R12 is serially connected in triode VT10 hair
Between emitter-base bandgap grading and electric capacity C8 negative pole.The P poles of the diode D7 are connected with triode VT10 base stage, its N pole and electric capacity
C4 positive pole is connected；The P poles of the diode D5 are connected with diode D3 N poles.
The present invention can be achieved to the soft start of electronic product, make the present invention switch on power after output voltage by a startup
Process, set-point is risen to slower speed, to protect electronic product not impacted on startup by surge.During startup,
The present invention also ensures the optimum delay time of 30 seconds or so.The present invention not only can protect electronic product when starting electronic product
Do not impacted by surge, and high surge current can also be suppressed in use, effectively reduced surge current
To in the range of permission, so as to further protect electronic product.
As described above, it can preferably realize the present invention.
Claims (4)
- A kind of 1. soft start mu balanced circuit based on surge restraint circuit, it is characterised in that：It is mainly whole by transformer T, diode Flow device U, triode VT4, positive pole is connected with diode rectifier U positive output end, negative pole and diode rectifier U it is negative defeated Go out the electric capacity C1 that end is connected, the soft start process circuit being connected respectively with electric capacity C1 positive pole and negative pole, positive pole opens with soft The electric capacity C4 that dynamic process circuit is connected, negative pole is connected with electric capacity C1 negative pole, one end are connected, separately with electric capacity C4 positive pole Resistance R3, the P pole that one end is connected with triode VT4 base stage is connected with electric capacity C4 negative pole, N poles are with triode VT4's The diode D2 that emitter stage is connected, the delayed startup being connected respectively with triode VT4 emitter stage and diode D2 P poles Circuit, the source electrode constant-current drive circuit being connected respectively with electric capacity C1 negative pole and delay startup circuit, P poles and delayed startup electricity The diode D3 that road is connected, N poles are connected after resistance R4 with triode VT4 colelctor electrode, and respectively with diode D3 N poles be connected with electric capacity C4 positive pole surge restraint circuit composition；The both ends group of the primary side inductance coil of the transformer T Into power input, the non-same polarity phase of an input and transformer T secondary inductance coil of the diode rectifier U Connection, its another input are connected with the Same Name of Ends of transformer T secondary inductance coil；The N poles of the diode D3 with Soft start process circuit is connected；The source electrode constant-current drive circuit is serially connected in FET Q1 grid by FET Q1, triode VT7, triode VT8 Resistance R101, P pole between pole and electric capacity C1 negative pole is connected after resistance R102 with FET Q1 grid, N poles with The diode D101 that triode VT7 base stage is connected, positive pole are connected with triode VT7 base stage after resistance R103, born The electric capacity C103 of pole ground connection, positive pole is connected with FET Q1 drain electrode, the electricity that negative pole is connected with triode VT7 base stage Hold C102, the resistance R104 being serially connected between FET Q1 source electrode and triode VT7 emitter stage, positive pole and FET Electric capacity C101, the P pole that Q1 grid is connected, negative pole is grounded through resistance R106 is connected with triode VT8 base stage, N poles warp The diode D102 being connected after resistance R105 with electric capacity C101 negative pole, and positive pole are connected with triode VT7 colelctor electrode Connect, the electric capacity C104 compositions of negative pole ground connection；The colelctor electrode of the triode VT7 respectively with diode D102 N poles and triode VT8 colelctor electrode is connected, and its base stage is connected with triode VT8 emitter stage；The base stage of the triode VT8 opens with delay Dynamic circuit is connected.
- A kind of 2. soft start mu balanced circuit based on surge restraint circuit according to claim 1, it is characterised in that：It is described Surge restraint circuit is by FET Q2, triode VT9, grid of triode VT10, the P pole after resistance R9 with FET Q2 It is connected, the diode D5 that N poles are connected with FET Q2 source electrode, positive pole is connected with FET Q2 grid, born The electric capacity C7 that pole is connected with triode VT9 base stage, one end is connected with FET Q2 drain electrode, the other end and triode The resistance R10 that VT9 base stage is connected, positive pole is connected with triode VT9 colelctor electrode, negative pole is imitated after resistance R11 with field Should pipe Q2 electric capacity C8, the P pole that is connected of source electrode be connected with triode VT9 emitter stage, N poles and triode VT10 current collection The diode D6 that pole is connected, the resistance R13 being serially connected between triode VT9 base stage and triode VT10 colelctor electrode, string The resistance R14 being connected between triode VT10 colelctor electrode and base stage, triode VT10 emitter stage is serially connected in electric capacity C8's Resistance R12 between negative pole, and P poles are connected with triode VT10 base stage, N poles are connected with electric capacity C4 positive pole two Pole pipe D7 is formed；The P poles of the diode D5 are connected with diode D3 N poles.
- A kind of 3. soft start mu balanced circuit based on surge restraint circuit according to claim 2, it is characterised in that：It is described Soft start process circuit is by triode VT1, triode VT2, triode VT3, current collection of the positive pole after resistance R1 with triode VT2 The electric capacity C2 that pole is connected, negative pole is connected with triode VT3 emitter stage, one end are connected with electric capacity C2 positive pole, are another The resistance R2 that is connected with triode VT2 base stage is held, positive pole is connected with triode VT3 colelctor electrode, negative pole and triode The electric capacity C3 that VT3 base stage is connected, and P poles are connected with triode VT3 emitter stage, N poles and triode VT3 base stage The diode D1 compositions being connected；The base stage of the triode VT1 is connected with triode VT2 emitter stage, its colelctor electrode point It is not connected with triode VT2 colelctor electrode and electric capacity C1 positive pole, its emitter stage is connected with diode D3 N poles；It is described Triode VT3 colelctor electrode is connected with triode VT2 base stage and electric capacity C4 positive pole respectively, and its emitter stage is with electric capacity C4's Negative pole is connected.
- A kind of 4. soft start mu balanced circuit based on surge restraint circuit according to claim 3, it is characterised in that：It is described Delay startup circuit is by triode VT5, triode VT6, and one end is connected with triode VT5 colelctor electrode, the other end and two poles The resistance R5 that pipe D2 P poles are connected, positive pole is connected with diode D3 N poles, negative pole is connected with triode VT5 base stage Electric capacity C5, resistance R7, the P poles that one end is connected with electric capacity C5 positive pole, the other end is connected with triode VT6 emitter stage It is connected after resistance R6 with diode D2 P poles, two poles that N poles are connected after resistance R8 with triode VT6 colelctor electrode Pipe D4, the slide rheostat RP that one end is connected with diode D4 P poles, the other end is connected with triode VT6 emitter stage, And the electric capacity C6 compositions that positive pole is connected with diode D4 N poles, negative pole is connected with diode D2 P poles；Three pole Pipe VT5 base stage is connected with slide rheostat RP control terminal, and its colelctor electrode is connected with triode VT4 emitter stage；Institute State triode VT6 base stage and collectively constitute the output end of delay startup circuit, triode VT6 base stage with electric capacity C6 negative pole Also it is connected with diode D3 N poles；The base stage of the triode VT8 is connected with triode VT5 base stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055100.4A CN107659136A (en) | 2017-11-01 | 2017-11-01 | A kind of soft start mu balanced circuit based on surge restraint circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055100.4A CN107659136A (en) | 2017-11-01 | 2017-11-01 | A kind of soft start mu balanced circuit based on surge restraint circuit |
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| Publication Number | Publication Date |
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| CN107659136A true CN107659136A (en) | 2018-02-02 |
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ID=61096261
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|---|---|---|---|
| CN201711055100.4A Pending CN107659136A (en) | 2017-11-01 | 2017-11-01 | A kind of soft start mu balanced circuit based on surge restraint circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378810A (en) * | 2018-11-12 | 2019-02-22 | 西安昆仑工业（集团）有限责任公司 | A kind of small-bore aircraft gun power-off protection dash current suppression circuit |
-
2017
- 2017-11-01 CN CN201711055100.4A patent/CN107659136A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378810A (en) * | 2018-11-12 | 2019-02-22 | 西安昆仑工业（集团）有限责任公司 | A kind of small-bore aircraft gun power-off protection dash current suppression circuit |
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Application publication date: 20180202 |