CN204279609U - Electronlmobil steering assist motor actuator - Google Patents
Electronlmobil steering assist motor actuator Download PDFInfo
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- CN204279609U CN204279609U CN201420826424.9U CN201420826424U CN204279609U CN 204279609 U CN204279609 U CN 204279609U CN 201420826424 U CN201420826424 U CN 201420826424U CN 204279609 U CN204279609 U CN 204279609U
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- micro controller
- controller system
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- comparator circuit
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Abstract
Electronlmobil steering assist motor actuator, belongs to electronlmobil and turns to actuation techniques field.The utility model drives the asynchronous dynamo outgoing current regulating power turned to poor to solve existing electronlmobil, easily causes the problem that motor shakes.The power supply signal of its automotive battery is through driving power device supply asynchronous dynamo, and bus capacitor C is connected between two buses of automotive battery; The bus voltage value of acquisition for gathering the bus voltage of automotive battery, and is passed to comparator circuit by voltage sensor, and the alerting signal of comparator circuit passes to annunciator and reports to the police, and the bus voltage signal of comparator circuit passes to micro controller system; Current sensor is for gathering the stator current of asynchronous dynamo, and the stator current signal of current sensor passes to micro controller system, and micro controller system exports control signal for regulating the dutycycle of driving power device.The utility model is used for electronlmobil and turns to driving.
Description
Technical field
The utility model relates to electronlmobil steering assist motor actuator, belongs to electronlmobil and turns to actuation techniques field.
Background technology
Consumption along with traditional energy grow with each passing day and the pollution of vehicle exhaust to air ambient increasingly serious, energy-saving and emission-reduction day by day become industry member pay close attention to key problem, the fast development of electronlmobil becomes the Times Pioneer addressed this problem.
Existing electronlmobil drive the asynchronous dynamo that turns to due to the regulating power of outgoing current poor, when it is in non-stationary running state, easily cause motor to shake.
Summary of the invention
The utility model object drives the asynchronous dynamo outgoing current regulating power turned to poor to solve existing electronlmobil, and the problem easily causing motor to shake, provides a kind of electronlmobil steering assist motor actuator.
Electronlmobil steering assist motor actuator described in the utility model, it comprises automotive battery, voltage sensor, comparator circuit, annunciator, bus capacitor C, driving power device, micro controller system, asynchronous dynamo and current sensor,
The power supply signal of automotive battery is through driving power device supply asynchronous dynamo, and bus capacitor C is connected between two buses of automotive battery;
The bus voltage value of acquisition for gathering the bus voltage of automotive battery, and is passed to comparator circuit by voltage sensor, and the alerting signal of comparator circuit passes to annunciator and reports to the police, and the bus voltage signal of comparator circuit passes to micro controller system;
Current sensor is for gathering the stator current of asynchronous dynamo, and the stator current signal of current sensor passes to micro controller system, and micro controller system exports control signal for regulating the dutycycle of driving power device.
Described driving power device is made up of six insulated gate bipolar transistors and six diodes, six insulated gate bipolar transistors adopt three-phase bridge structure, a wherein phase winding of each asynchronous dynamo that is connected, each insulated gate bipolar transistor inverse parallel diode.
The model of described micro controller system is stm32f103; The model of each insulated gate bipolar transistor is FGA15N120ANTD; The model of current sensor is A-CT2010LT.
Advantage of the present utility model: motor driver described in the utility model have be swift in response, bus voltage applicable area is wide, outgoing current is large, motor steering changes advantage timely.It, by the detection to asynchronous dynamo outgoing current, regulates the dutycycle of driving power device, can guarantee the stable output of motor holding torque under non-stationary running state, and suppress motor to shake.
This enforcement is novel simple and practical, and implementation cost is low, has very high economic benefit.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of electronlmobil steering assist motor actuator described in the utility model;
Fig. 2 is the schematic circuit diagram that driving power device is connected with asynchronous dynamo.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, electronlmobil steering assist motor actuator described in present embodiment, it comprises automotive battery 1, voltage sensor 2, comparator circuit 3, annunciator 4, bus capacitor C, driving power device 5, micro controller system 6, asynchronous dynamo 7 and current sensor 8
The power supply signal of automotive battery 1 supplies asynchronous dynamo 7 through driving power device 5, and bus capacitor C is connected between two buses of automotive battery 1;
The bus voltage value of acquisition for gathering the bus voltage of automotive battery 1, and is passed to comparator circuit 3 by voltage sensor 2, and the alerting signal of comparator circuit 3 passes to annunciator 4 and reports to the police, and the bus voltage signal of comparator circuit 3 passes to micro controller system 6;
Current sensor 8 is for gathering the stator current of asynchronous dynamo 7, and the stator current signal of current sensor 8 passes to micro controller system 6, and micro controller system 6 exports control signal for regulating the dutycycle of driving power device 5.
In present embodiment, the bus voltage of voltage sensor 2 pairs of automotive batterys 1 is adopted to detect, judged by comparator circuit 3 again, when comparator circuit 3 judges the bus voltage of automotive battery 1 higher than 800V or lower than 300V, judge battery operated in error state, send alerting signal by annunciator 4, and block the operation of actuator simultaneously, to protect battery; Otherwise bus voltage signal is passed to micro controller system 6, micro controller system 6, again in conjunction with the stator current signal of asynchronous dynamo 7, exports the control signal to driving power device 5.Micro controller system 6 is according to the rotating of steering wheel direction of the stator current signal determination electronlmobil of the asynchronous dynamo 7 gathered, it obtains the tach signal of bearing circle simultaneously, the hand-wheel signal received and presetting corresponding signal are compared by micro controller system 6, calculate the real-time given operating frequency and direction that obtain asynchronous dynamo, and then obtain should the given voltage of frequency, then export control signal to driving power device 5, rotate with given speed and power with drive motor.If micro controller system 6 exceedes motor stator current rating and power device IGBT current rating by calculating the current stator current of acquisition; then when electric current meets or exceeds 80% of rated value; control signal is exported to it and carries out step-down frequency reducing, play the protective effect to motor and power device.Computer program involved by the acquisition of described control signal is existing program, for those skilled in the art do not need to pay the simple program that creative work can obtain.
Bus capacitor C can filtering bus peak current and harmonic wave stablize bus voltage.
Detailed description of the invention two: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further embodiment one, described driving power device 5 is made up of six insulated gate bipolar transistors and six diodes, six insulated gate bipolar transistors adopt three-phase bridge structure, a wherein phase winding of each asynchronous dynamo 7 that is connected, each insulated gate bipolar transistor inverse parallel diode.
Insulated gate bipolar transistor IGBT anti-paralleled diode all can play the effect of afterflow and protection.
The permission maximum current 25A of insulated gate bipolar transistor IGBT; Bus is withstand voltage is 800V, and bus capacitor C is 100uF.
The utility model can make automobile batteries effectively run motor in applicable area 300 to the 800V of voltage, and dynamic property is excellent, and operating efficiency is higher.
Detailed description of the invention three: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further embodiment two, and the model of described micro controller system 6 is stm32f103; The model of each insulated gate bipolar transistor is FGA15N120ANTD; The model of current sensor 8 is A-CT2010LT.
In present embodiment model be the micro controller system of stm32f103, driving power device 5, voltage sensor 2 and current sensor 8 be combined into one independently overall.The IGBT that the three-phase bridge circuit of driving power device 5 is FGA15N120ANTD by six models combines, and avoids the expensive defect extensively adopting IPM module to cause as driving element in the market, substantially increases the economic benefit of system.
The utility model adopts stm32f103 micro controller system to be core, form whole system, while controlling three-phase bridge circuit and then control motor, combine with current sensor and voltage Hall, complete the protection to main circuit current and bus voltage, in addition, it has to the control of current return and voltage circuit the effect complemented each other, namely the auxiliary protection of overcurrent is realized by bus step-down, and increase electric current exports or the output of reduction electric current realizes bus overvoltage or under-voltage auxiliary protection, circuit structure achieves bus voltage Hall, the combination of main circuit current Hall and stm32f103 micro controller system, take full advantage of this single-chip simulation/digital conversion feature richness, and the immediate data access facility between the DMA of its inside and peripheral hardware.Cheap due to stm32f103 micro controller system, makes this motor driver have good economic benefit.
Claims (3)
1. an electronlmobil steering assist motor actuator, it is characterized in that, it comprises automotive battery (1), voltage sensor (2), comparator circuit (3), annunciator (4), bus capacitor C, driving power device (5), micro controller system (6), asynchronous dynamo (7) and current sensor (8)
The power supply signal of automotive battery (1) is through driving power device (5) supply asynchronous dynamo (7), and bus capacitor C is connected between two buses of automotive battery (1);
Voltage sensor (2) is for gathering the bus voltage of automotive battery (1), and the bus voltage value of acquisition is passed to comparator circuit (3), the alerting signal of comparator circuit (3) passes to annunciator (4) and reports to the police, and the bus voltage signal of comparator circuit (3) passes to micro controller system (6);
Current sensor (8) is for gathering the stator current of asynchronous dynamo (7), the stator current signal of current sensor (8) passes to micro controller system (6), and micro controller system (6) exports control signal for regulating the dutycycle of driving power device (5).
2. electronlmobil steering assist motor actuator according to claim 1, it is characterized in that, described driving power device (5) is made up of six insulated gate bipolar transistors and six diodes, six insulated gate bipolar transistors adopt three-phase bridge structure, a wherein phase winding of each asynchronous dynamo that is connected (7), each insulated gate bipolar transistor inverse parallel diode.
3. electronlmobil steering assist motor actuator according to claim 2, is characterized in that, the model of described micro controller system (6) is stm32f103; The model of each insulated gate bipolar transistor is FGA15N120ANTD; The model of current sensor (8) is A-CT2010LT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826424.9U CN204279609U (en) | 2014-12-23 | 2014-12-23 | Electronlmobil steering assist motor actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826424.9U CN204279609U (en) | 2014-12-23 | 2014-12-23 | Electronlmobil steering assist motor actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204279609U true CN204279609U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826424.9U Expired - Fee Related CN204279609U (en) | 2014-12-23 | 2014-12-23 | Electronlmobil steering assist motor actuator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204279609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137087A (en) * | 2015-10-06 | 2018-06-08 | 罗伯特博世汽车转向有限公司 | For running the method for the steering of motor vehicle |
-
2014
- 2014-12-23 CN CN201420826424.9U patent/CN204279609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137087A (en) * | 2015-10-06 | 2018-06-08 | 罗伯特博世汽车转向有限公司 | For running the method for the steering of motor vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |