CN109617035A - A kind of auxiliary actuating apparatus reducing power surge impact - Google Patents
A kind of auxiliary actuating apparatus reducing power surge impact Download PDFInfo
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- CN109617035A CN109617035A CN201910003942.8A CN201910003942A CN109617035A CN 109617035 A CN109617035 A CN 109617035A CN 201910003942 A CN201910003942 A CN 201910003942A CN 109617035 A CN109617035 A CN 109617035A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
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Abstract
A kind of auxiliary actuating apparatus reducing power surge impact includes power supply, current-limiting charge circuit, delay charge switch circuit, control loop, delayed startup switching circuitry, electrical equipment；By increasing the suitable capacitor of amount of capacity in electrical equipment front end, start electrical appliance with the electricity of the capacitor, the impact for reducing electrical appliance starting to power supply is realized by delay access power supply, with extension power supply and switch contact electrical endurance, the characteristics of reducing system interference, improving system stability and reliability.
Description
Technical field
The invention belongs to rolling stock appliance starting technical fields, and in particular to a kind of auxiliary for reducing power surge impact
Starter.
Background technique
Current rolling stock electric field it is all electrically due to working environment, work characteristics, the function of realization etc.
Difference, electric appliance front end all promising electrical appliances provide the device of electric energy, and the device is in order to realize certain specific function front end equipped with electricity
Energy conversion element, this electric energy conversion element are externally rendered as capacitive or inductance characteristic.So be powered in a flash in electrical appliance,
The conversion of level is realized in meeting to the capacitor charging of electrical appliance simultaneously, in this process excessive starting current, will be to offer
The power supply of electric power causes bigger surge impact.It is this to impact the normal work that may interfere with other electric appliances, reduce power supply
Or other electrical service life, cause electromagnetic compatibility not up to standard；This impact and interfering process can cause system power supply to be fallen simultaneously,
Cause digital display circuit error code or system reboot, the contact contact of scaling loss switching device, it is also possible to cause connector sparking, hair
Heat causes fire.Currently used method is to inhibit the impact of high current, and this universal method is applicable in some occasions, big
Be not suitable in most electric loops, the reason is that excessively inhibit dash current, cause certain appliance starting electric currents too small and can not
Starting.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of auxiliary of reduction power surge impact
Starter can both reduce impact of the normal starting current of electric appliance to power supply, improve rail vehicle reliability of operation, and can
Not influence the starting performance of electric appliance, the operation cost of rail traffic vehicles is effectively reduced.The device has reduction to power supply
The characteristics of surge impact extends power source life, reduces system interference, improve system stability and reliability.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of reduce power surge impact assistant starting
Device includes the anti-reverse protection diode D1 being connected with positive pole；Anti-reverse protection diode D1 is put by anti-reverse
Electric diode D2 is connected with resistance R1；Resistance R1 is connected with the cathode of capacitor C1；Power cathode respectively with two poles of anti-reverse electric discharge
The anode of pipe D2, the cathode of diode D3, the cathode of capacitor C2, the cathode of diode D4, the emitting stage of triode Q3, capacitor C3
Cathode, the cathode of load, the cathode of diode D5, the cathode of capacitor C4, capacitor C5 cathode be connected；
The anode of diode D3 connects power cathode；The one end resistance R1 is connected with the cathode of anti-reverse discharge diode D2, separately
One end is connected with the anode of capacitor C1；One end of resistance R3 is connected to the cathode of anti-reverse protection diode D1, other end connection
To the anode of capacitor C2；One end of resistance R2 is connected to the common end of resistance R3 and capacitor C2, the other end respectively with diode D4
Cathode, triode Q3 collector be extremely connected with the G of metal-oxide-semiconductor Q1；The ground level of triode Q3 is connected to two poles by resistance R7
The anode of pipe D6, the cathode of diode D6 are connected to the common end of resistance R4 and capacitor C3；The other end of resistance R4 is connected to
The S grade of metal-oxide-semiconductor Q1, the D grade of metal-oxide-semiconductor Q1 are connected to the common end of resistance R1 and capacitor C1；The S grade and metal-oxide-semiconductor Q1 of MOS pipe Q2
S grade and resistance R4 one end connection after jointly with electrical appliance anode connect；The D grade of metal-oxide-semiconductor Q2 and one end of resistance R6 and
The anode of capacitor C5 is connected, and the G grade of metal-oxide-semiconductor Q2 is connected by resistance R5 with the cathode of diode D5, and the anode of diode D5 connects
It is connected on power cathode；The other end of resistance R6 connects with the anode of capacitor C4, resistance R5 with the common end of diode D5；Power supply
Anode is connected to the common end of resistance R6 Yu MOS pipe Q2；The common end of resistance R6 and metal-oxide-semiconductor Q2 is connected to anti-reverse guarantor simultaneously
Protect the common end of diode D1, back discharge diode D2, diode D3 and resistance R3.
The resistance R1 is the charging current limiter resistance of capacitor C1.
The capacitor C1 is storage capacitor.
Resistance R3, the capacitor C2 forms soft-start circuit.
The capacitor C3 and resistance R4 composition delay disconnecting circuit, effect is will auxiliary after load start-up course terminates
Start-up capacitance C1 is delayed excision from circuit.
The resistance R5, diode D5, capacitor C4, resistance R6 form delay startup circuit, and metal-oxide-semiconductor Q2 postpones 1s, MOS
Pipe Q2 conducting.
The beneficial effects of the present invention are:
Compared with prior art, the present invention is opened using electric appliance in access power supply by increasing capacitor in electrical equipment front end
It charges before dynamic to the capacitance current-limiting of electrical appliance front end, charging process provides electricity together with power supply after terminating for electrical appliance starting
Can, start electrical equipment.Since the access of storage capacitor is equivalent to and original power supply and has connect power supply, electric equipment is used to start institute
The energy needed is just compensated and shares, and has finally just reached mesh when reducing electrical equipment starting to original power surges
's.
The present invention increases a kind of auxiliary actuating apparatus of reduction power surge impact, the device between power supply and electrical appliance
Inrush current shock when electrical appliance starts to power supply can be effectively reduced；Reduce the auxiliary actuating apparatus of power surge impact
Electrical schematic diagram such as attached drawing 1, including power supply interface, current-limiting charge circuit, delay pretrigger circuit, delay charge
Switching circuitry, delayed startup switching circuitry, electrical equipment etc..
The surge of rolling stock power supply is rushed when more can ideally solve relatively high power appliance starting using the present invention
It hits and interferes.
Detailed description of the invention
Fig. 1 is electrical schematic diagram of the invention.
Specific embodiment
Structural principle and working principle of the invention are described in further detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, when in device access circuit, diode D1 is anti-reverse protection diode in circuit, and D2 is anti-
The only energy back discharge diode of capacitor C1 storage.The anode of D1 connects positive pole, and cathode connects the anode and two of diode D2
The anode of the cathode of pole pipe D3, diode D3 connects the cathode of power supply；R1 is C1 charging current limiter resistance, and resistance R1 mono- terminates two poles
The cathode of pipe D2, the anode of another termination storage capacitor, the cathode of storage capacitor are connected to the cathode of power supply；Resistance R3, capacitor C2
Soft-start circuit is formed, one end of resistance R3 is connected to the cathode of diode D1, and other end is connected to the anode of capacitor C2, electricity
The cathode for holding C2 is connected to power cathode；The one end resistance R2 is connected to the common end of resistance R3 and capacitor C2, and the other end is connected to
The G grade of the cathode of diode D4, the collector of triode Q3 and metal-oxide-semiconductor Q1, the anode of diode D4 are connected to the negative of power supply
The emitting stage of pole, triode Q3 is connected to the cathode of power supply；The ground level of triode Q3 is connected to diode D6's by resistance R7
Anode, the cathode of diode D6 are connected to the common end of resistance R4 and capacitor C3, and it is negative that the other end of capacitor C3 is connected to power supply
Pole；The other end of resistance R4 is connected to the S grade of metal-oxide-semiconductor Q1, and the D grade of metal-oxide-semiconductor Q1 is connected to the public of resistance R1 and capacitor C1
End.The S grade of metal-oxide-semiconductor Q2 connect with one end of the S of metal-oxide-semiconductor Q1 grade and resistance R4 and connect with the anode of electrical appliance, metal-oxide-semiconductor Q2
D grade be connected with one end of resistance R6 and capacitor C5, the G grade of metal-oxide-semiconductor Q2 is connected by resistance R5 with the cathode of diode D5, two
The anode of pole pipe D5 is connected on power cathode；The anode of the other end of resistance R6 and capacitor C4, resistance R5, diode D5
Common end connects, and the cathode of capacitor C4 is connected to power cathode；The cathode of capacitor C5 is connected to power cathode, and anode is connected to electricity
The common end of R6 and metal-oxide-semiconductor Q2 are hindered, this one end is connected to the public affairs of diode D1, diode D2, diode D3 and resistance R3 simultaneously
End altogether.
The working principle of the invention is:
For load of different nature, by increasing capacitor in electrical appliance front end, start electrical appliance with the electricity of the capacitor,
The impact for reducing electrical appliance starting to power supply is realized by delay access power supply.Detailed process is: after opening electrical appliance power supply, warp
It crosses about 500ms and provides the capacitor C1 current-limiting charge of energy for starting electrical appliance, charging voltage is close to supply voltage charging process
Terminate, metal-oxide-semiconductor Q1 conducting, the energy of capacitor C1 storage provides required energy for appliance starting, and electrical appliance is started to work.In Q1
About 500ms after conducting, Q2 conducting, main power source access electrical appliance starting-up later time, are electrical appliance normal power supply.Finally postpone about
Q1 is disconnected after 5s, and capacitances to supply power circuit is cut off from performance loop, and assistant starting process terminates.
Claims (6)
1. it is a kind of reduce power surge impact auxiliary actuating apparatus, which is characterized in that include be connected with positive pole prevent
Reverse connecting protection diode D1；Anti-reverse protection diode D1 is connected by anti-reverse discharge diode D2 with resistance R1；Resistance R1
It is connected with the cathode of capacitor C1；Power cathode cathode, the capacitor with the anode of anti-reverse discharge diode D2, diode D3 respectively
The cathode of C2, the cathode of diode D4, the emitting stage of triode Q3, the cathode of capacitor C3, the cathode of electrical appliance, diode D5
Cathode, the cathode of capacitor C4, the cathode of capacitor C5 are connected；
The anode of diode D3 connects power cathode；The one end resistance R1 is connected with the cathode of anti-reverse discharge diode D2, the other end
It is connected with the anode of capacitor C1；One end of resistance R3 is connected to the cathode of anti-reverse protection diode D1, and the other end is connected to electricity
Hold the anode of C2；One end of resistance R2 is connected to the common end of resistance R3 and capacitor C2, the other end yin with diode D4 respectively
Pole, triode Q3 collector be extremely connected with the G of metal-oxide-semiconductor Q1；The ground level of triode Q3 is connected to diode D6 by resistance R7
Anode, the cathode of diode D6 is connected to the common end of resistance R4 and capacitor C3；The other end of resistance R4 is connected to metal-oxide-semiconductor
The S grade of Q1, the D grade of metal-oxide-semiconductor Q1 are connected to the common end of resistance R1 and capacitor C1；The S grade of metal-oxide-semiconductor Q2 and the S grade of metal-oxide-semiconductor Q1 and
It is connect jointly with the anode of electrical appliance after one end connection of resistance R4；The D grade of metal-oxide-semiconductor Q2 and one end of resistance R6 and capacitor C5's
Anode is connected, and the G grade of metal-oxide-semiconductor Q2 is connected by resistance R5 with the cathode of diode D5, and the anode of diode D5 is connected to power supply
On cathode；The other end of resistance R6 connects with the anode of capacitor C4, resistance R5 with the common end of diode D5；Positive pole connection
To the common end of resistance R6 and metal-oxide-semiconductor Q2；The common end of resistance R6 and metal-oxide-semiconductor Q2 is connected to anti-reverse protection diode simultaneously
The common end of D1, back discharge diode D2, diode D3 and resistance R3.
2. a kind of auxiliary actuating apparatus for reducing power surge impact according to claim 1, which is characterized in that described
Resistance R1 is the charging current limiter resistance of capacitor C1.
3. a kind of auxiliary actuating apparatus for reducing power surge impact according to claim 1, which is characterized in that described
Capacitor C1 is storage capacitor.
4. a kind of auxiliary actuating apparatus for reducing power surge impact according to claim 1, which is characterized in that described
Resistance R3, capacitor C2 form soft-start circuit.
5. a kind of auxiliary actuating apparatus for reducing power surge impact according to claim 1, which is characterized in that described
Capacitor C3 and resistance R4 composition delay disconnecting circuit, it is therefore an objective to electrical appliance start-up course terminate after by storage capacitor C1 from circuit
Middle excision.
6. a kind of auxiliary actuating apparatus for reducing power surge impact according to claim 1, which is characterized in that described
Resistance R5, diode D5, capacitor C4, resistance R6 form delay startup circuit, and metal-oxide-semiconductor Q2 postpones 1s, metal-oxide-semiconductor Q2 conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910003942.8A CN109617035B (en) | 2019-01-03 | 2019-01-03 | A kind of auxiliary actuating apparatus reducing power surge impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910003942.8A CN109617035B (en) | 2019-01-03 | 2019-01-03 | A kind of auxiliary actuating apparatus reducing power surge impact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109617035A true CN109617035A (en) | 2019-04-12 |
| CN109617035B CN109617035B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910003942.8A Active CN109617035B (en) | 2019-01-03 | 2019-01-03 | A kind of auxiliary actuating apparatus reducing power surge impact |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188917A (en) * | 1998-12-25 | 2000-07-11 | Iseki & Co Ltd | Device for upward or downward moving work section of work vehicle |
| KR20030082715A (en) * | 2002-04-18 | 2003-10-23 | 기아자동차주식회사 | Electric power stabilizer of vehicles |
| CN101767588A (en) * | 2008-12-30 | 2010-07-07 | 比亚迪股份有限公司 | Vehicle launch control system and control method |
| CN205792227U (en) * | 2016-06-12 | 2016-12-07 | 东莞钜威动力技术有限公司 | A kind of vehicle electronic device power supply circuits |
| CN206124777U (en) * | 2016-10-09 | 2017-04-26 | 东莞钜威动力技术有限公司 | Electric automobile executor control system |
| CN206471820U (en) * | 2017-01-20 | 2017-09-05 | 福建三元达网络技术有限公司 | A kind of mobile unit delay surge protection circuit |
-
2019
- 2019-01-03 CN CN201910003942.8A patent/CN109617035B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188917A (en) * | 1998-12-25 | 2000-07-11 | Iseki & Co Ltd | Device for upward or downward moving work section of work vehicle |
| KR20030082715A (en) * | 2002-04-18 | 2003-10-23 | 기아자동차주식회사 | Electric power stabilizer of vehicles |
| CN101767588A (en) * | 2008-12-30 | 2010-07-07 | 比亚迪股份有限公司 | Vehicle launch control system and control method |
| CN205792227U (en) * | 2016-06-12 | 2016-12-07 | 东莞钜威动力技术有限公司 | A kind of vehicle electronic device power supply circuits |
| CN206124777U (en) * | 2016-10-09 | 2017-04-26 | 东莞钜威动力技术有限公司 | Electric automobile executor control system |
| CN206471820U (en) * | 2017-01-20 | 2017-09-05 | 福建三元达网络技术有限公司 | A kind of mobile unit delay surge protection circuit |
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| Publication number | Publication date |
|---|---|
| CN109617035B (en) | 2019-10-18 |
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