CN202783190U - Motor control device for range extender - Google Patents
Motor control device for range extender Download PDFInfo
- Publication number
- CN202783190U CN202783190U CN2012202534993U CN201220253499U CN202783190U CN 202783190 U CN202783190 U CN 202783190U CN 2012202534993 U CN2012202534993 U CN 2012202534993U CN 201220253499 U CN201220253499 U CN 201220253499U CN 202783190 U CN202783190 U CN 202783190U
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- Prior art keywords
- control unit
- engine
- motor control
- distance increasing
- motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model relates to the field of an electric control system for a hybrid vehicle, in particular to a motor control device for a range extender. The motor control device for the range extender comprises an engine (1) and a synchronous motor (2) and is characterized by further comprising a range extender controller (3) and a direct-current power supply (4). An engine control unit (31) is connected with the engine (1) through a signal line. A motor control unit (32) is connected with the synchronous motor (2) through a signal line. The engine control unit (31) is connected with the motor control unit (32) through a signal line. A range extender control unit (33) is connected with the engine control unit (31) and the motor control unit (32) through a signal line. A low-voltage battery (41) and a high-voltage battery (42) are respectively connected with the range extender controller (3) through a guide line. The motor control device for the range extender is small in size, low in cost, strong in starting performance and wide in application range.
Description
Technical field
The utility model relates to the electric energy control system field that is applicable to motor vehicle driven by mixed power, is specially a kind of motor control assembly for distance increasing unit.
Background technology
Because the exhaust emissions of fuel-engined vehicle causes atmospheric contamination and causes green-house effect, all or part of electronlmobil that drives with electric energy is developed.That electronlmobil has is simple in structure, zero-emission, noise are little, can implement that braking energy reclaims and the energy be supplied with the advantage such as sustainability, but because the bottleneck of battery, present electronlmobil generally can't be realized long-time continuation of the journey, in order to overcome this defective, obtained fast development as the extended-range electric vehicle of a transition condition.Extended-range electric vehicle cooperates vehicle mounted dynamic battery to work under different operating modes by installing distance increasing unit additional, to increase the course continuation mileage of electronlmobil.Distance increasing unit adopts the integrated series structure, and driving engine and electrical generator structurally integrate, and machinery-free connects between the drive motor, can reduce the weight of car load and can reduce oil consumption in the driving process.For the performance requriements of distance increasing unit, need to promote on the one hand the efficient of Full Vehicle System, also should be able to reduce on the other hand the volume of self, must be able to there be again larger moment to export to satisfy the entry condition of driving engine simultaneously.These performance requriementss condition each other, affected the result of use of distance increasing unit, such as, the lifting of Full Vehicle System efficient must realize by the staring torque that increases driving engine, thereby the volume that reduces distance increasing unit then will reduce the output torque of starter motor so that the volume of starter motor also diminishes simultaneously.Present distance increasing unit starter motor volume is little, and is also little to the staring torque of driving engine output, is difficult to adapt to the startup requirement of the larger driving engine of staring torque.The situation of this contradiction has limited using of electronlmobil and has developed.
The utility model content
In order to overcome the defective of prior art, the electric energy control system that a kind of volume is small and exquisite, with low cost, startability is strong, applied widely is provided, the utility model discloses a kind of motor control assembly for distance increasing unit.
The utility model reaches goal of the invention by following technical solution:
A kind of motor control assembly for distance increasing unit, comprise driving engine and synchronous dynamo, the rotating shaft of driving engine is connected rotating shaft and is connected with synchronous dynamo, it is characterized in that: also comprise distance increasing unit controller and direct supply, the distance increasing unit controller is by control unit of engine, motor control unit and distance increasing unit control unit form, control unit of engine is connected with driving engine by signal wire (SW), motor control unit is connected with synchronous dynamo by signal wire (SW), connect by signal wire (SW) between control unit of engine and the motor control unit, the distance increasing unit control unit is by signal wire (SW) difference connecting engine control unit and motor control unit, direct supply is comprised of A-battery and high-tension battery, A-battery is connected wire and is connected respectively the distance increasing unit controller with high-tension battery, the electro-motive force of A-battery is not higher than 12V, and the electro-motive force of high-tension battery is not less than 150V.
Described motor control assembly for distance increasing unit, it is characterized in that: driving engine is selected quartastroke engine, and the microprocessor in control unit of engine, motor control unit and the distance increasing unit control unit is all selected micro controller system or digital signal processor; Synchronous dynamo is selected permagnetic synchronous motor.
When the utility model uses; reduce gradually rotating speed to the process of shutting down at driving engine; when control unit of engine is found out rotating speed when being lower than 100rpm by tachogen; the distance increasing unit control unit sends instruction to motor control unit; require motor control unit to enter crank position from calibrating procedure; control unit of engine learns that by the crank-position sensor that reads on the driving engine thereby the instantaneous value Φ of crankshaft degree grasps crank position in real time; and this location information is sent to motor control unit; motor control unit carries out position ring control, and crankshaft degree Φ is controlled in the scope of crankshaft degree expected value Φ * all the time.
For four-stroke motor, 720 ° of crankshaft revolutions are finished a working cycle, i.e. crankshaft revolution two circle engine combustion works done once, bent axle relies on valve cam to control inlet valve and exhaust valve is finished inspiration stroke and exhaust stroke.For start the engine, when the piston position of driving engine is positioned near first dead center, it is maximum to start required moment, therefore, need to avoid the piston position of driving engine when starting to be positioned at first dead center, take double-cylinder engine as example, this need to be controlled at engine crankshaft corner expected value Φ * in 15 °～75 ° the scope, like this, when starting Deng distance increasing unit next time, the corner of bent axle is in stroke range, and staring torque is minimum, thereby reduced the staring torque requirement of driving engine, also can effectively reduce the low speed peak torque of synchronous dynamo simultaneously.
The utility model is by the position control in the engine shutdown process; make driving engine in starting next time, avoid the high-torque interval; reduce the motor control assembly of electric motor starting moment, design efficient distance increasing unit by less dimensional space, realized coming with little moment the purpose of start the engine.
The beneficial effects of the utility model are:
1. can obviously reduce the volume of system so that product can be realized commonality preferably, the flexible arrangement when being convenient to design, simultaneously, volume reduce to be conducive to reduce oil consumption;
2. staring torque is little, and the volume of synchronous dynamo and the capacity of electric machine controller thereof can reduce, and reduces cost, reduces simultaneously to start noise, improves driver comfort.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below further specify the utility model by specific embodiment.
A kind of motor control assembly for distance increasing unit, comprise driving engine 1, synchronous dynamo 2, distance increasing unit controller 3 and direct supply 4, as shown in Figure 1, concrete structure is: the rotating shaft that the rotating shaft of driving engine is connected with synchronous dynamo connects by terminal pad or coupler, distance increasing unit controller 3 is by control unit of engine 31, motor control unit 32 and distance increasing unit control unit 33 form, control unit of engine 31 is connected connection by signal wire (SW) with driving engine, motor control unit 32 is connected connection by signal wire (SW) with synchronous dynamo, connect by signal wire (SW) between control unit of engine 31 and the motor control unit 32, distance increasing unit control unit 33 is by signal wire (SW) difference connecting engine control unit 31 and motor control unit 32, direct supply 4 is comprised of A-battery 41 and high-tension battery 42, A-battery 41 is connected with high-tension battery and is connected respectively distance increasing unit controller 3 by wire, the electro-motive force of A-battery 41 is not higher than 12V, and the electro-motive force of high-tension battery 42 is not less than 150V.
In the present embodiment, driving engine 1 is selected quartastroke engine, and the microprocessor in control unit of engine 31, motor control unit 32 and the distance increasing unit control unit 33 is all selected digital signal processor; Synchronous dynamo 2 is selected permagnetic synchronous motor.
Control unit of engine 31, motor control unit 32 and distance increasing unit control unit 33 all comprise input circuit, A/D converter, microprocessor and output loop; In addition, control unit of engine 31 also comprises crank-position sensor and the tachogen of being located on the driving engine, and tachogen can adopt rotary encoder to realize that motor control unit 32 also comprises the proportional-integral-differential adjustment module.
When present embodiment uses; reduce gradually rotating speed to the process of shutting down at driving engine; when control unit of engine 31 is found out rotating speed when being lower than 100rpm by tachogen; distance increasing unit control unit 33 sends instruction to motor control unit 32; require motor control unit 32 to enter crank position from calibrating procedure; control unit of engine 31 learns that by the crank-position sensor that reads on the driving engine thereby the instantaneous value Φ of crankshaft degree grasps crank position in real time; and this location information is sent to motor control unit 32; motor control unit 32 carries out position ring control; the control step is: with span input motor control unit 32 and the storage of crankshaft degree expected value Φ *; motor control unit 32 reads in the instantaneous value Φ of crankshaft degree from control unit of engine 31; difference input ratio-integration-differential adjustment module with crankshaft degree Φ and crankshaft degree expected value Φ *; thereby passing ratio-integration-differential is regulated the computing value of computing and moment amplitude limit computing output torque; the computing value of moment is deducted resisting moment, namely get the required moment of electric machine control.Apply this moment by synchronous dynamo 2 to driving engine 1, driving engine 1 crankshaft degree Φ in the process of shutting down is controlled in the scope of crankshaft degree expected value Φ * all the time.
For four-stroke motor, 720 ° of crankshaft revolutions are finished a working cycle, i.e. crankshaft revolution two circle engine combustion works done once, bent axle relies on valve cam to control inlet valve and exhaust valve is finished inspiration stroke and exhaust stroke.For start the engine, when the piston position of driving engine is positioned near first dead center, it is maximum to start required moment, therefore, need to avoid the piston position of driving engine when starting to be positioned at first dead center, take double-cylinder engine as example, this need to be controlled at engine crankshaft corner expected value Φ * in 15 °～75 ° the scope.Like this, when waiting distance increasing unit startup next time, the corner of bent axle is in stroke range, and staring torque is minimum, thereby has reduced the staring torque requirement of driving engine, also can effectively reduce the low speed peak torque of synchronous dynamo simultaneously.
Claims (2)
1. motor control assembly that is used for distance increasing unit, comprise driving engine (1) and synchronous dynamo (2), the rotating shaft of driving engine is connected 2 with synchronous dynamo) rotating shaft connect, it is characterized in that: also comprise distance increasing unit controller (3) and direct supply (4), distance increasing unit controller (3) is by control unit of engine (31), motor control unit (32) and distance increasing unit control unit (33) form, control unit of engine (31) is connected 1 by signal wire (SW) with driving engine) connect, motor control unit (32) is connected 2 by signal wire (SW) with synchronous dynamo) connect, connect by signal wire (SW) between control unit of engine (31) and the motor control unit (32), distance increasing unit control unit (33) is by signal wire (SW) difference connecting engine control unit (31) and motor control unit (32), direct supply (4) is comprised of A-battery (41) and high-tension battery (42), A-battery (41) is connected 42 with high-tension battery) connect respectively distance increasing unit controller (3) by wire, the electro-motive force of A-battery (41) is not higher than 12V, and the electro-motive force of high-tension battery (42) is not less than 150V.
2. the motor control assembly for distance increasing unit as claimed in claim 1, it is characterized in that: driving engine (1) is selected quartastroke engine, and the microprocessor in control unit of engine (31), motor control unit (32) and the distance increasing unit control unit (33) is all selected micro controller system or digital signal processor; Synchronous dynamo (2) is selected permagnetic synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202534993U CN202783190U (en) | 2012-05-31 | 2012-05-31 | Motor control device for range extender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202534993U CN202783190U (en) | 2012-05-31 | 2012-05-31 | Motor control device for range extender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202783190U true CN202783190U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202534993U Expired - Fee Related CN202783190U (en) | 2012-05-31 | 2012-05-31 | Motor control device for range extender |
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| Country | Link |
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| CN (1) | CN202783190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528227A (en) * | 2018-03-23 | 2018-09-14 | 苏州弗尔赛能源科技股份有限公司 | A kind of range extender of electric vehicle control system, control method and electric vehicle |
-
2012
- 2012-05-31 CN CN2012202534993U patent/CN202783190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528227A (en) * | 2018-03-23 | 2018-09-14 | 苏州弗尔赛能源科技股份有限公司 | A kind of range extender of electric vehicle control system, control method and electric vehicle |
| CN108528227B (en) * | 2018-03-23 | 2024-04-30 | 苏州弗尔赛能源科技股份有限公司 | Electric automobile range extender control system and control method and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20180531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |