CN205583756U - Electric automobile , DCDC converter and control system thereof - Google Patents
Electric automobile , DCDC converter and control system thereof Download PDFInfo
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- CN205583756U CN205583756U CN201620316870.4U CN201620316870U CN205583756U CN 205583756 U CN205583756 U CN 205583756U CN 201620316870 U CN201620316870 U CN 201620316870U CN 205583756 U CN205583756 U CN 205583756U
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Abstract
The application discloses electric automobile, DC converter and control system, wherein, the DCDC converter control system include: power supply, a voltage sharing unit, the 2nd voltage sharing unit, voltage comparing unit and the control unit, work as the representative when the reference voltage of low pressure power supply battery electric quantity is less than reference voltage, the control unit control DCDC switching controller worked in the time of predetermineeing, and the power battery who has both utilized electric automobile has realized needing only for low pressure power supply battery charges in the time of predetermineeing electric automobile's power battery has the electricity just can guarantee low pressure power supply battery's electric quantity can satisfy electric automobile's start -up demand to reduced when electric automobile place one fix time after, electric automobile's normal electrical zero parts will low pressure power supply battery's electric quantity consumption to lower level, and make the unable possibility that starts of electric automobile.
Description
Technical field
This utility model relates to technical field of new energy, more particularly, it relates to a kind of electric automobile,
DC/DC transducer and control system thereof.
Background technology
In recent years, along with popularizing of motor vehicles, environment is caused the biggest by the exhaust emissions of motor vehicles
Impact, haze becomes the weather phenomenon that many cities are common, and haze can be to the healthy shape of people
Condition produces very adverse influence.Therefore the motor vehicles developing more energy-saving and environmental protection have become as society
The common recognition of all circles.Under this trend, electric automobile becomes replacement orthodox car with relatively low waste gas discharge
Selection.
The energy resource system of electric automobile generally includes electrokinetic cell, low-voltage power supply battery and DC/DC transducer；
Wherein, described low-voltage power supply battery is when being in non-started state when electric automobile, for the normal electricity of its inside
Parts (such as combination instrument, entire car controller, electrokinetic cell controller and tele-control system etc.)
Working power is provided；When described electric automobile is in starting state, described DC/DC converter inside
DC/DC switching controller is started working, and the electrokinetic cell controlling to be connected with described DC/DC transducer is institute
State the charging of low-voltage power supply battery, sufficient to ensure the electricity of described low-voltage power supply battery.
But when described electric automobile was placed after certain time, the normal electric parts of electric automobile may be by
The electric quantity consumption of described low-voltage power supply battery is to a relatively low level so that described electric automobile cannot open
Dynamic, affect the use of user.
Utility model content
For solving above-mentioned technical problem, this utility model provide a kind of electric automobile, DC/DC transducer and
Its control system, to realize reducing after certain time placed by electric automobile, the normal electrical zero portion of electric automobile
The electric quantity consumption of described low-voltage power supply battery to reduced levels, and is made described electric automobile to open by part
Dynamic possible purpose.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of DC/DC converter control system, is applied to electric automobile, and described electric automobile includes: dynamic
Power battery, low-voltage power supply battery and DC/DC transducer, the voltage input end of described DC/DC transducer
It is connected with the both positive and negative polarity of described electrokinetic cell, the DC/DC conversion and control of described DC/DC converter inside
Controlling described electrokinetic cell during device work is the charging of described low-voltage power supply battery, described DC/DC transducer control
System processed includes: power supply, the first partial pressure unit, the second partial pressure unit, voltage comparison unit and control
Unit processed；Wherein,
Described power supply and described first partial pressure unit, voltage comparison unit and the respective electricity of control unit
Pressure input connects, and drives for providing for described first partial pressure unit, voltage comparison unit and control unit
Galvanic electricity pressure；
The signal output part of described first partial pressure unit and the first signal input part of described voltage comparison unit
Connect, for providing reference voltage for described voltage comparison unit；
The signal input part of described second partial pressure unit is connected with the positive pole of described low-voltage power supply battery, its letter
Number outfan is connected with the secondary signal input of described voltage comparison unit, for for described voltage ratio relatively
Unit provides reference voltage, and described reference voltage is directly proportional to the voltage of described low-voltage power supply battery；
The signal output part of described voltage comparison unit is connected with the signal input part of described control unit, uses
In relatively described reference voltage and the size of reference voltage, when described reference voltage is less than described reference voltage
Time, send the first enable signal to described control unit；
Described control unit is for after receiving described first enable signal, to described in Preset Time
DC/DC switching controller persistently sends the second enable signal, to order about described DC/DC switching controller work
Make.
Preferably, described DC/DC converter control system also includes: normally closed relay；
One end of the input coil of described normally closed relay is connected to described DC/DC switching controller and controls list
The connection node of unit, other end ground connection；
One end of the break contact of described normally closed relay is connected to described second partial pressure unit one end, the other end
It is connected with described low-voltage power supply anode.
Preferably, described first partial pressure unit includes the first resistance, the second resistance, the 3rd resistance and voltage stabilizing
Diode；Wherein,
One end of described first resistance is connected with power supply, the other end simultaneously with the of described second resistance
First end of one end and the 3rd resistance connects；
Second end ground connection of described second resistance, the second end of described 3rd resistance is more single with described voltage ratio
First signal input part of unit connects；
One end of described Zener diode is connected to the connection node of described 3rd resistance and voltage comparison unit,
Other end ground connection.
Preferably, described second partial pressure unit includes the 4th resistance and the 5th resistance；Wherein,
One end of described 4th resistance is connected with the positive pole of described low-voltage power supply battery, as described second point
The signal input part of pressure unit, the other end is connected with one end of described 5th resistance；
The other end ground connection of described 5th resistance, described 4th resistance and the connection node of the 5th resistance and institute
The secondary signal input stating voltage comparison unit connects.
Preferably, described voltage comparison unit is voltage comparator.
Preferably, described control unit is single-chip microcomputer or microprocessor.
Preferably, the span of described Preset Time is 1min-180min, including endpoint value.
Preferably, described power supply is lead battery or lithium battery or photovoltaic cell.
A kind of DC/DC transducer, turns including at least one DC/DC as described in above-mentioned any embodiment
Parallel operation control system.
A kind of electric automobile, including at least one DC/DC transducer control as described in above-mentioned any embodiment
System processed.
From technique scheme it can be seen that this utility model provides a kind of electric automobile, DC/DC turns
Parallel operation and control system thereof；Wherein, described DC/DC converter control system is by described first dividing potential drop list
Unit provides reference voltage for described voltage comparison unit, and is described voltage by described second partial pressure unit
Comparing unit provides reference voltage, and described reference voltage is directly proportional to the voltage of described low-voltage power supply battery；
Described reference voltage and reference voltage are compared by described voltage comparison unit, when described reference voltage is little
When described reference voltage, send the first enable signal to described control unit；Described control unit receives
Enable after signal to described first, in Preset Time, persistently send the to described DC/DC switching controller
Two enable signal, to order about the work of described DC/DC switching controller, charge for described low-voltage power supply battery.
By above-mentioned flow process it is found that work as the reference voltage representing described low-voltage power supply battery electric quantity less than benchmark
During voltage, described control unit controls described DC/DC switching controller and works in Preset Time, both profit
Charge for low-voltage power supply battery in Preset Time with the electrokinetic cell of electric automobile, it is achieved that if described
The electrokinetic cell of electric automobile has electricity to ensure that, and that the electricity of described low-voltage power supply battery disclosure satisfy that is described
The startup demand of electric automobile, thus reduce after certain time placed by electric automobile, electric automobile
Often electric parts is by the electric quantity consumption of described low-voltage power supply battery to reduced levels, and makes described electronic vapour
The possibility that car cannot start.
Further, power supply is comprised inside described DC/DC converter control system, it is not necessary to described
Low-voltage power supply battery provides running voltage when electric automobile is not actuated for it, will not increase described low pressure and supply
The load of electricity battery.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiment of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structure of a kind of DC/DC converter control system that the embodiment that Fig. 1 is the application provides is shown
It is intended to；
The knot of a kind of DC/DC converter control system that the preferred embodiment that Fig. 2 is the application provides
Structure schematic diagram；
The knot of a kind of DC/DC converter control system that the specific embodiment that Fig. 3 is the application provides
Structure schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
The embodiment of the present application provides a kind of DC/DC converter control system, is applied to electric automobile, institute
Stating electric automobile to include: electrokinetic cell, low-voltage power supply battery and DC/DC transducer, described DC/DC turns
The voltage input end of parallel operation is connected with the both positive and negative polarity of described electrokinetic cell, described DC/DC converter inside
Controlling described electrokinetic cell during the work of DC/DC switching controller is the charging of described low-voltage power supply battery, such as Fig. 1
Shown in, described DC/DC converter control system M11 includes: power supply the 100, first partial pressure unit 200,
Second partial pressure unit 300, voltage comparison unit 400 and control unit 500；Wherein,
Described power supply 100 and described first partial pressure unit 200, voltage comparison unit 400 and control unit
500 respective voltage input ends connect, and are used for as described first partial pressure unit 200, voltage comparison unit 400
Driving voltage is provided with control unit 500；
The signal output part of described first partial pressure unit 200 and the first signal of described voltage comparison unit 400
Input connects, its earth terminal ground connection, for providing reference voltage for described voltage comparison unit 400；
The signal input part of described second partial pressure unit 300 is connected with the positive pole of described low-voltage power supply battery, its
Signal output part is connected with the secondary signal input of described voltage comparison unit 400, its earth terminal ground connection,
For providing reference voltage, described reference voltage and described low-voltage power supply electricity for described voltage comparison unit 400
The voltage in pond is directly proportional；
The signal output part of described voltage comparison unit 400 connects with the signal input part of described control unit 500
Connect, for relatively described reference voltage and the size of reference voltage, when described reference voltage is less than described base
During quasi-voltage, send the first enable signal to described control unit 500；
The earth terminal ground connection of described control unit 500, is used for after receiving described first enable signal,
The second enable signal is persistently sent to described DC/DC switching controller in Preset Time, described to order about
DC/DC switching controller works.
It should be noted that in the present embodiment, when described reference voltage starts more than described electric automobile
Required voltage；Described reference voltage is directly proportional to the voltage of described low-voltage power supply battery, represents described
The size of the available power of low-voltage power supply battery.When described reference voltage is less than described reference voltage, can
To think that the electricity of described low-voltage power supply battery is not enough, the most described voltage comparison unit 400 is to described control
Unit 500 sends the first enable signal；After described control unit 500 receives described first enable signal,
The second enable signal is persistently sent to described DC/DC switching controller in Preset Time, described to order about
DC/DC switching controller works, and both having utilized described electrokinetic cell is the charging of described low-voltage power supply battery.Tool
As long as its electrokinetic cell of electric automobile having described DC/DC converter control system M11 has electricity, it is possible to
Ensure that the electricity of described low-voltage power supply battery can meet the startup needs of electric automobile, thus reduce and work as
After certain time placed by electric automobile, the normal electric parts of electric automobile is by the electricity of described low-voltage power supply battery
Amount is consumed to reduced levels, and makes the possibility that described electric automobile cannot start.
Also, it should be noted in an embodiment of the application, described first enables signal and second
Enable signal and be respectively the amplitude high level signal more than 10V.In an embodiment of the application, described
First enable signal be amplitude value be the high level signal of 12V.In another embodiment of the application,
Described second enable signal be amplitude value be the high level signal of 12V.But the application enables described first
Signal and the second concrete value enabling signal amplitude do not limit, concrete depending on practical situation.
On the basis of above-described embodiment, in a preferred embodiment of the application, as in figure 2 it is shown, institute
State DC/DC converter control system M11 also to include: normally closed relay J；
One end of the input coil J1 of described normally closed relay J is connected to described DC/DC switching controller and control
The connection node of unit 500, other end ground connection；
One end of the break contact J2 of described normally closed relay J is connected to described second partial pressure unit 300 one end, separately
One end is connected with described low-voltage power supply anode.
During it should be noted that described normally closed relay J does not passes through electric current in its input coil J1, it moves
Disconnected contact J2 Guan Bi；When in the input coil J1 of described normally closed relay J by electric current, its break contact
J2 disconnects.In the present embodiment, when described DC/DC switching controller works, described normally closed relay J
Input coil J1 the most electric, its break contact J2 disconnect, described voltage comparator quits work, to avoid
State DC/DC switching controller operationally larger current described DC/DC converter control system M11 is made
Become to damage.
Also, it should be noted in a preferred embodiment of the application, described normally closed relay J's is defeated
Entering a coil J1 diode in parallel, the plus earth of described diode, negative pole is connected to described DC/DC and turns
Between changer controller and control unit 500.In the present embodiment, the effect of described diode is to avoid working as institute
Stating electric automobile when being in starting state, the electric current of described DC/DC switching controller output flows through described
Inside DC/DC converter control system M11, it is to avoid therefore to described DC/DC converter control system M11
Cause the possibility of damage.
On the basis of above-described embodiment, the application another embodiment provides for a kind of first dividing potential drop list
Unit 200 and the concrete composition of the second partial pressure unit 300, as it is shown on figure 3, described first partial pressure unit 200 is wrapped
Include the first resistance R1, the second resistance R2, the 3rd resistance R3 and Zener diode D；Wherein,
One end of described first resistance R1 is connected with power supply 100, with described second resistance while of the other end
First end of R2 and first end of the 3rd resistance R3 connect；
The second end ground connection of described second resistance R2, second end of described 3rd resistance R3 and described voltage ratio
First signal input part of relatively unit 400 connects；
One end of described Zener diode D is connected to the connection of described 3rd resistance R3 and voltage comparison unit 400
Node, other end ground connection.
Described second partial pressure unit 300 includes the 4th resistance R4 and the 5th resistance R5；Wherein,
One end of described 4th resistance R4 is connected with the positive pole of described low-voltage power supply battery, as described second
The signal input part of partial pressure unit 300, the other end is connected with one end of described 5th resistance R5；
The other end ground connection of described 5th resistance R5, described 4th resistance R4 and the connecting joint of the 5th resistance R5
Point is connected with the secondary signal input of described voltage comparison unit 400.
It should be noted that in the present embodiment, described reference voltage is:
In formula (1), U (y) represents described reference voltage, and R4 represents the resistance of described 4th resistance R4
Value, R5 represents the resistance of described 5th resistance R5.
In the present embodiment, described reference voltage is:
In formula (2), U (b) represents that described reference voltage, U (L) represent described low-voltage power supply electricity
The minimum running voltage in pond, the voltage that its value is required when starting more than described electric automobile.
By above-mentioned formula it is found that described reference voltage is a changeless value, obtaining
After stating the numerical value of reference voltage, by selecting suitable first resistance R1, the second resistance R2, the 3rd resistance
The resistance of R3 and the parameter of described Zener diode D, by described second partial pressure unit 300 to described voltage
The reference voltage value stabilization of comparing unit 400 input is at a fixing numerical value, it is ensured that described DC/DC changes
Device control system M11 properly functioning.
On the basis of above-described embodiment, in another embodiment of the application, described voltage ratio is more single
Unit 400 is voltage comparator.But the concrete device class that described voltage comparison unit 400 is used by the application
Type does not limit, if be capable of voltage ratio compared with function, concrete depending on practical situation.
On the basis of above-described embodiment, in the further embodiment of the application, described control unit 500
For single-chip microcomputer or microprocessor.The concrete type of device that described control unit 500 is used by the application is not
Limit, concrete depending on practical situation.
On the basis of above-described embodiment, in a preferred embodiment of the application, described Preset Time
Span be 1min-180min, including endpoint value.
It should be noted that in an embodiment of the application, described Preset Time is 15min.At this
In another embodiment of application, described Preset Time is 10min.This is not limited by the application, tool
Depending on the design parameter of stereoscopic described low-voltage power supply battery and described supplying cell.
On the basis of above-described embodiment, in another preferred embodiment of the application, described power supply electricity
Source 100 is lead battery or lithium battery or photovoltaic cell.
It should be noted that in an embodiment of the application, the voltage of described power supply 100 is
12V.The concrete span of the voltage of described power supply 100 is not limited by the application, specifically regards
Depending on the type of described electric automobile and configuration.
Accordingly, the embodiment of the present application additionally provides a kind of DC/DC transducer, described DC/DC transducer
Including at least one DC/DC converter control system M11 as described in above-described embodiment.
Accordingly, the embodiment of the present application additionally provides a kind of electric automobile, and described electric automobile includes at least
One DC/DC converter control system M11 as described in above-described embodiment.
In sum, this application provides a kind of electric automobile, DC/DC transducer and control system thereof；
Wherein, described DC/DC converter control system M11 is described voltage by described first partial pressure unit 200
Comparing unit 400 provides reference voltage, and is that described voltage ratio is more single by described second partial pressure unit 300
Unit 400 provides reference voltage, and is carried for described voltage comparison unit 400 by described second partial pressure unit 300
Supply reference voltage, described reference voltage is directly proportional to the voltage of described power voltage supply battery；Described voltage ratio
Described reference voltage and reference voltage are compared by relatively unit 400, when described reference voltage is less than described base
During quasi-voltage, send the first enable signal to described control unit 500；Described control unit 500 receives
After described first enables signal, in Preset Time, persistently send second to described DC/DC switching controller
Enable signal, to order about the work of described DC/DC switching controller, charge for described low-voltage power supply battery.
By above-mentioned flow process it is found that work as the reference voltage representing described power voltage supply battery electric quantity less than benchmark
During voltage, described control unit 500 controls described DC/DC switching controller and works in Preset Time, both
The electrokinetic cell utilizing electric automobile charges for low-voltage power supply battery in Preset Time, it is achieved that if institute
State the electrokinetic cell of electric automobile have electricity to ensure that the electricity of described low-voltage power supply battery disclosure satisfy that institute
State the startup demand of electric automobile, thus reduce after certain time placed by electric automobile, electric automobile
Normal electric parts by the electric quantity consumption of described low-voltage power supply battery to reduced levels, and make described electronic
The possibility that automobile cannot start.
Further, include power supply 100 inside described DC/DC converter control system M11, be not required to
Want described low-voltage power supply battery to provide running voltage when electric automobile is not actuated for it, will not increase described
The load of low-voltage power supply battery.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. a DC/DC converter control system, is applied to electric automobile, and described electric automobile includes:
Electrokinetic cell, low-voltage power supply battery and DC/DC transducer, the voltage input of described DC/DC transducer
End is connected with the both positive and negative polarity of described electrokinetic cell, the DC/DC conversion control of described DC/DC converter inside
Controlling described electrokinetic cell during device processed work is the charging of described low-voltage power supply battery, it is characterised in that described
DC/DC converter control system includes: power supply, the first partial pressure unit, the second partial pressure unit, electricity
Pressure comparing unit and control unit；Wherein,
Described power supply and described first partial pressure unit, voltage comparison unit and the respective electricity of control unit
Pressure input connects, and drives for providing for described first partial pressure unit, voltage comparison unit and control unit
Galvanic electricity pressure；
The signal output part of described first partial pressure unit and the first signal input part of described voltage comparison unit
Connect, for providing reference voltage for described voltage comparison unit；
The signal input part of described second partial pressure unit is connected with the positive pole of described low-voltage power supply battery, its letter
Number outfan is connected with the secondary signal input of described voltage comparison unit, for for described voltage ratio relatively
Unit provides reference voltage, and described reference voltage is directly proportional to the voltage of described low-voltage power supply battery；
The signal output part of described voltage comparison unit is connected with the signal input part of described control unit, uses
In relatively described reference voltage and the size of reference voltage, when described reference voltage is less than described reference voltage
Time, send the first enable signal to described control unit；
Described control unit is for after receiving described first enable signal, to described in Preset Time
DC/DC switching controller persistently sends the second enable signal, to order about described DC/DC switching controller work
Make.
DC/DC converter control system the most according to claim 1, it is characterised in that described DC/DC
Converter control system also includes: normally closed relay；
One end of the input coil of described normally closed relay is connected to described DC/DC switching controller and controls list
The connection node of unit, other end ground connection；
One end of the break contact of described normally closed relay is connected to described second partial pressure unit one end, the other end
It is connected with described low-voltage power supply anode.
DC/DC converter control system the most according to claim 1, it is characterised in that described
One partial pressure unit includes the first resistance, the second resistance, the 3rd resistance and Zener diode；Wherein,
One end of described first resistance is connected with power supply, the other end simultaneously with the of described second resistance
First end of one end and the 3rd resistance connects；
Second end ground connection of described second resistance, the second end of described 3rd resistance is more single with described voltage ratio
First signal input part of unit connects；
One end of described Zener diode is connected to the connection node of described 3rd resistance and voltage comparison unit,
Other end ground connection.
DC/DC converter control system the most according to claim 1, it is characterised in that described
Two partial pressure unit include the 4th resistance and the 5th resistance；Wherein,
One end of described 4th resistance is connected with the positive pole of described low-voltage power supply battery, as described second point
The signal input part of pressure unit, the other end is connected with one end of described 5th resistance；
The other end ground connection of described 5th resistance, described 4th resistance and the connection node of the 5th resistance and institute
The secondary signal input stating voltage comparison unit connects.
DC/DC converter control system the most according to claim 1, it is characterised in that described electricity
Pressure comparing unit is voltage comparator.
DC/DC converter control system the most according to claim 1, it is characterised in that described control
Unit processed is single-chip microcomputer or microprocessor.
DC/DC converter control system the most according to claim 1, it is characterised in that described pre-
If the span of time is 1min-180min, including endpoint value.
DC/DC converter control system the most according to claim 1, it is characterised in that described confession
Electricity power supply is lead battery or lithium battery or photovoltaic cell.
9. a DC/DC transducer, it is characterised in that include that at least one is as arbitrary in claim 1-8
DC/DC converter control system described in Xiang.
10. an electric automobile, it is characterised in that include that at least one is such as any one of claim 1-8 institute
The DC/DC converter control system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620316870.4U CN205583756U (en) | 2016-04-15 | 2016-04-15 | Electric automobile , DCDC converter and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620316870.4U CN205583756U (en) | 2016-04-15 | 2016-04-15 | Electric automobile , DCDC converter and control system thereof |
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| Publication Number | Publication Date |
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| CN205583756U true CN205583756U (en) | 2016-09-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720653A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN108233903A (en) * | 2016-12-14 | 2018-06-29 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of airborne high-voltage frequency converter IGBT anti-interference driving circuits |
-
2016
- 2016-04-15 CN CN201620316870.4U patent/CN205583756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720653A (en) * | 2016-04-15 | 2016-06-29 | 力帆实业(集团)股份有限公司 | Electric automobile, DC/DC converter and control system thereof |
| CN108233903A (en) * | 2016-12-14 | 2018-06-29 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of airborne high-voltage frequency converter IGBT anti-interference driving circuits |
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