CN110112959A - It is a kind of can two-way charging double source motor low voltage control system - Google Patents
It is a kind of can two-way charging double source motor low voltage control system Download PDFInfo
- Publication number
- CN110112959A CN110112959A CN201910383286.9A CN201910383286A CN110112959A CN 110112959 A CN110112959 A CN 110112959A CN 201910383286 A CN201910383286 A CN 201910383286A CN 110112959 A CN110112959 A CN 110112959A
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- Prior art keywords
- low
- voltage
- converter
- coil
- pressure
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- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/066—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems characterised by the use of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P4/00—Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
Abstract
It is a kind of can two-way charging double source motor low voltage control system, high pressure DC/AC converter from high-voltage energy storage unit obtain high voltage direct current electric energy, alternating current is converted to, for driving high-pressure power-assisted steering motor high-tension coil；The same slot of steering motor high-tension coil and low-voltage coil wiring simultaneously, from high-tension coil to the inductive coupling of low-voltage coil, power generation is rectified by low voltage DC/AC converter inside freewheeling diode, is charged to low tension battery；Counter electromotive force is improved by improving the number of turns of low-voltage coil, charging current is allowed to become larger；The revolving speed of motor is controlled by high pressure DC/AC converter, realizes the size for adjusting charging current；The present invention does not need that DC/DC controller is increased to charge for low tension battery, can realize energy in bidirectional flow from high pressure to low pressure, or by low pressure to high pressure, realize online switching in real time, non-delay time.
Description
Technical field
The present invention relates to electric car steering technique fields, and in particular to it is a kind of can two-way charging double source motor low pressure control
System processed.
Background technique
Electric car all has high-voltage energy storage unit and low tension battery, and high-voltage energy storage unit is for driving vehicle, low pressure
Battery is used to provide electric energy to various controllers, headlight, instrument etc..The voltage of high-voltage energy storage unit is usually called high pressure,
The voltage of low tension battery is called low pressure.DCAC converter refers to the module that direct current is converted to alternating current；DCDC refers to
Direct current is converted to the module of the direct current of another voltage platform.DCAC and DCDC is commonly used portion on electric car
Part.
Conventional truck is provided power steering, existing hybrid electric vehicle and pure electric vehicle by driven by engine steering pump
Vehicle needs to be added the servo steering system of other forms, greatly since there are engines to shut down the operating condition being operated alone by motor
Amount uses high-voltage electric servo steering system." high pressure " in high-voltage electric servo steering system refers to steering assist motor
For high-voltage motor, pump head rotation is driven when high-voltage motor works, power steering is provided.Further, since there is engine to shut down operating condition,
If not mending electricity to low tension battery, it is easy to cause low tension battery electric deficiency phenomenon, so coming often through DC-DC converter to low
Pressure battery carries out mending electricity.
The structure chart of typical high-voltage electric servo steering system as shown in Figure 1: DC/AC converter from high-voltage energy storage unit
High voltage direct current electric energy is obtained, alternating current is converted to, for driving high-pressure power-assisted steering motor；DC/DC control unit is from height simultaneously
It presses energy-storage units to obtain high voltage direct current electric energy, is converted to low-voltage DC, connects low tension battery；Entire car controller controls respectively
The work of DCAC and DCDC.
The motor power supply of high-voltage electric servo steering system is by single high-voltage energy storage unit through DC/AC converter by high pressure
Direct current is converted into 220V alternating current, for driving steering motor, once DC/AC converter caused by high-pressure system failure does not have
When high input voltage, electric boosting steering system will stop working, if vehicle may influence vehicle in high-speed cruising at this time
Traffic safety.Part vehicle enterprise is in order to improve steering safety, it has to add a set of spare low pressure power-assisted steering system again
System, when detecting the high-pressure power-assisted steering system failure, starts spare low pressure servo steering system at once；
So on hybrid electric vehicle and pure electric vehicle vehicle, the typical high-pressure power-assisted steering system as shown in Figure 1 of use,
There are switchings delay time, and steering safety is low, at high cost, arranges complicated problem.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple structure and reasonable design, make
With easily can two-way charging double source motor low voltage control system, save DC/DC control unit, it is at low cost, structure arrangement
Simply, switch no delay time online, turn to highly-safe.
To achieve the above object, the technical solution adopted by the present invention is that: it include high-voltage energy storage unit, high pressure DC/AC turn
Parallel operation, double source motor, low voltage DC/AC converter, low tension battery；The double source motor is equipped with steering motor high-tension coil
And low-voltage coil；The same slot of high-tension coil and low-voltage coil wiring, from high-tension coil to the inductive coupling of low-voltage coil；High pressure storage
The anode of energy unit connects the input anode of high pressure DC/AC converter；The cathode of high-voltage energy storage unit connects high pressure DC/AC converter
Input cathode；The output of high pressure DC/AC converter is connect with the high-tension coil of double source motor；The anode of low tension battery connects high pressure
The input anode of DC/AC converter, the cathode of low tension battery connect low voltage DC/AC converter input cathode, and low voltage DC/AC turns
The output of parallel operation connects the low-voltage coil of double source motor；
Low tension battery mends same slot wiring of the electricity by steering motor high-tension coil and low-voltage coil, from high-tension coil to low-voltage line
The inductive coupling of circle, power generation are rectified by low voltage DC/AC inside freewheeling diode, are charged to low tension battery.Pass through raising
Counter electromotive force can be improved in the number of turns of low-voltage coil, and charging current is allowed to become larger；Motor is controlled by high pressure DC/AC controller
Revolving speed realizes the size for adjusting charging current.
Further, high pressure DC/AC converter includes the charging current limiter unit and IGBT group that switch J1 and resistance R1 is formed
At three-phase bridge circuit；
Further, low voltage DC/AC converter includes the charging current limiter unit and IGBT composition three that switch J2 and resistance R2 is formed
Phase bridge circuit；
Further, it also includes rotary transformer, can preferably reach high-low pressure control switching and not shut down, when non-delay
Between.
After adopting the above structure, one kind of the present invention can two-way charging double source motor low voltage control system, have
Following advantages:
1, DC/DC control unit is saved, at low cost, structure arrangement is simple, switches no delay time online；
2, it is by the wiring of the same slot of steering motor high-tension coil and low-voltage coil, from high-tension coil to low that low tension battery, which mends electricity,
The inductive coupling of crimping circle, power generation are rectified by low voltage DC/AC inside freewheeling diode, are charged to low tension battery；
3, counter electromotive force can be improved by improving the number of turns of low-voltage coil, charging current is allowed to become larger；
4, the revolving speed of motor is controlled by high pressure DC/AC, to adjust the size of charging current, increasing rotary transformer can be with
Preferably reach high-low pressure control switching not shut down, the non-delay time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structure chart of typical high-voltage electric servo steering system；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is circuit diagram of the invention.
Description of symbols:
1, high-voltage energy storage unit；2, high pressure DC/AC converter；3, double source motor；4, low voltage DC/AC converter；5, low pressure electric power storage
Pond；6, DC/DC control unit.
Specific embodiment
With reference to the accompanying drawing, the present invention is further illustrated.
Referring to shown in Fig. 2-3, present embodiment the technical solution adopted is that: it includes high-voltage energy storage unit C 1, high
Press DC/AC converter 2, double source motor M 3, low voltage DC/AC converter 4, low tension battery S 5；On the double source motor M 3
Equipped with steering motor high-tension coil and low-voltage coil；The same slot of high-tension coil and low-voltage coil wiring, from high-tension coil to low pressure
The inductive coupling of coil；The anode of high-voltage energy storage unit C 1 connects the input anode of high pressure DC/AC converter 2；High-voltage energy storage unit
The cathode of C 1 connects the input cathode of high pressure DC/AC converter 2；High pressure DC/AC converter 2 includes that switch J1 and resistance R1 is formed
Charging current limiter unit and IGBT form three-phase bridge circuit Q1；The output of high pressure DC/AC converter 2 is with double source motor M's 3
High-tension coil connection；The anode of low tension battery S 5 connects the input anode of high pressure DC/AC converter 2, low tension battery S's 5
Cathode connects low voltage DC/AC converter 4 input cathode, and the output of low voltage DC/AC converter 4 connects the low-voltage line of double source motor M 3
Circle；Low voltage DC/AC converter 4 includes that the charging current limiter unit that switch J2 and resistance R2 is formed and IGBT form three-phase bridge circuit
Q2；It also includes rotary transformer, can preferably reach high-low pressure control switching and not shut down, the non-delay time.
In present embodiment, high pressure DC/AC converter 2 obtains high voltage direct current electric energy, conversion from high-voltage energy storage unit 1
For alternating current, for driving high-pressure power-assisted steering motor high-tension coil；Steering motor high-tension coil and low-voltage coil is same simultaneously
Slot wiring, from high-tension coil to the inductive coupling of low-voltage coil, two pole of low voltage DC/AC converter 4 inside afterflow is passed through in power generation
Pipe rectification, charges to low tension battery 5；Counter electromotive force is improved by improving the number of turns of low-voltage coil, charging current can be allowed to become
Greatly；The revolving speed of motor is controlled by high pressure DC/AC converter 2, realizes the size for adjusting charging current；Therefore it does not need to increase
Add DC/DC control unit 6 and charges for low tension battery 5, from high pressure to low pressure, or can be two-way with energy by low pressure to high pressure
Flowing realizes online switching in real time, non-delay time.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (3)
1. one kind can two-way charging double source motor low voltage control system, it is characterised in that it include high-voltage energy storage unit, high pressure
DC/AC converter, double source motor, low voltage DC/AC converter, low tension battery；The double source motor is equipped with steering motor
High-tension coil and low-voltage coil；The same slot of high-tension coil and low-voltage coil wiring, from high-tension coil to the coupling sense of low-voltage coil
It answers；The anode of high-voltage energy storage unit connects the input anode of high pressure DC/AC converter；The cathode of high-voltage energy storage unit meets high pressure DC/
The input cathode of AC converter；The output of high pressure DC/AC converter is connect with the high-tension coil of double source motor；Low tension battery
Anode connects the input anode of high pressure DC/AC converter, and the cathode of low tension battery connects low voltage DC/AC converter input cathode,
The output of low voltage DC/AC converter connects the low-voltage coil of double source motor.
2. one kind according to claim 1 can two-way charging double source motor low voltage control system, it is characterised in that high pressure
DC/AC converter includes that the charging current limiter unit that switch J1 and resistance R1 is formed and IGBT form three-phase bridge circuit.
3. one kind according to claim 1 can two-way charging double source motor low voltage control system, it is characterised in that low pressure
DC/AC converter includes that the charging current limiter unit that switch J2 and resistance R2 is formed and IGBT form three-phase bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383286.9A CN110112959A (en) | 2019-05-09 | 2019-05-09 | It is a kind of can two-way charging double source motor low voltage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383286.9A CN110112959A (en) | 2019-05-09 | 2019-05-09 | It is a kind of can two-way charging double source motor low voltage control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110112959A true CN110112959A (en) | 2019-08-09 |
Family
ID=67488906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383286.9A Pending CN110112959A (en) | 2019-05-09 | 2019-05-09 | It is a kind of can two-way charging double source motor low voltage control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110112959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3819159A1 (en) * | 2019-11-11 | 2021-05-12 | Fico Triad, S.A. | Multi-port and multi-directional power conversion system for electric and/or hybrid vehicles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711421A (en) * | 2016-02-01 | 2016-06-29 | 金龙联合汽车工业（苏州）有限公司 | Novel electrically driven steering boosting system |
| CN107171614A (en) * | 2017-05-05 | 2017-09-15 | 大连理工大学 | A kind of new driving and the asymmetric motor-drive circuit of feedback current and application |
| CN107415709A (en) * | 2017-09-07 | 2017-12-01 | 广西玉柴机器股份有限公司 | Hybrid power system for hybrid power passenger car |
| CN107659220A (en) * | 2017-11-06 | 2018-02-02 | 哈尔滨纽微电机控制技术有限公司 | Dual power supply electrohydraulic steering assist motor driver |
| CN109249986A (en) * | 2017-07-14 | 2019-01-22 | 郑州宇通客车股份有限公司 | A kind of double source electric hydraulic power-assisted steering system and vehicle |
-
2019
- 2019-05-09 CN CN201910383286.9A patent/CN110112959A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711421A (en) * | 2016-02-01 | 2016-06-29 | 金龙联合汽车工业（苏州）有限公司 | Novel electrically driven steering boosting system |
| CN107171614A (en) * | 2017-05-05 | 2017-09-15 | 大连理工大学 | A kind of new driving and the asymmetric motor-drive circuit of feedback current and application |
| CN109249986A (en) * | 2017-07-14 | 2019-01-22 | 郑州宇通客车股份有限公司 | A kind of double source electric hydraulic power-assisted steering system and vehicle |
| CN107415709A (en) * | 2017-09-07 | 2017-12-01 | 广西玉柴机器股份有限公司 | Hybrid power system for hybrid power passenger car |
| CN107659220A (en) * | 2017-11-06 | 2018-02-02 | 哈尔滨纽微电机控制技术有限公司 | Dual power supply electrohydraulic steering assist motor driver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3819159A1 (en) * | 2019-11-11 | 2021-05-12 | Fico Triad, S.A. | Multi-port and multi-directional power conversion system for electric and/or hybrid vehicles |
| EP3819160A1 (en) * | 2019-11-11 | 2021-05-12 | Fico Triad, S.A. | Wide voltage range power conversion system for electric and/or hybrid vehicles |
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