CN207274587U - Electric automobile electric-control system - Google Patents
Electric automobile electric-control system Download PDFInfo
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- CN207274587U CN207274587U CN201720948277.6U CN201720948277U CN207274587U CN 207274587 U CN207274587 U CN 207274587U CN 201720948277 U CN201720948277 U CN 201720948277U CN 207274587 U CN207274587 U CN 207274587U
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Abstract
The utility model discloses a kind of electric automobile electric-control system, including processing sensor signal and the central controller of instruction is sent to executing agency, further include be connected with central controller with lower module：Start-stop supervision module, including key switch；Acceleration management module, including accelerator pedal；The acceleration stroke sensor for identifying accelerator travel is provided with the accelerator pedal；Brake management module, including brake pedal；The brake stroke sensor for identifying brake-pedal travel is provided with the brake pedal；One or more in speed computing module, including motor speed sensor, wheel speed sensors, ABS vehicle speed sensor；Gear management module, including for identifying the gear position sensor of current gear；Power battery management module, including for identifying the voltage sensor of power battery voltage.
Description
Technical field
It the utility model is related to a kind of electric-control system of electric automobile.
Background technology
The automobile that electric automobile is driven by motor.By electrical energy drive, no discharge, does not pollute the environment electric automobile.
Fuel oil gradual bored and lonely today, the fuel-engined vehicle of electric automobile substitution transmission is the inexorable trend of era development.With respect to fuel oil vapour
For car, essential difference (different) is four big components, drives motor, speed setting controller, power battery, onboard charger.Relatively
For gas station, it is by public ultrafast charging station.The quality discrepancy of pure electric automobile depends on this four big component, it is worth high
The low quality for also depending on this four big component.The purposes of pure electric automobile is also directly related in the selection and deployment of four big components.
Traditional fuel vehicle generally controls the startup of automobile, acceleration, braking etc. by mechanical mechanism.And for electronic vapour
Car, since its principle and fuel vehicle are far from each other so that traditional control method is not suitable for the needs of electric automobile.
Utility model content
In view of this, the utility model provides a kind of electric automobile electric-control system, suitable for the control of electric automobile.
To solve above technical problem, the technical solution of the utility model is：A kind of electric automobile electric-control system, including place
Reason sensor signal simultaneously the central controller of instruction is sent to executing agency, further include be connected with central controller with lower die
Block：
Start-stop supervision module, including key switch；
Acceleration management module, including accelerator pedal；It is provided with the accelerator pedal for identifying accelerator travel
Acceleration stroke sensor；
Brake management module, including brake pedal；It is provided with the brake pedal for identifying brake-pedal travel
Brake stroke sensor；
Speed computing module, including motor speed sensor, wheel speed sensors, one kind in ABS vehicle speed sensor or
It is a variety of；
Gear management module, including for identifying the gear position sensor of current gear；
Power battery management module, including for identifying the voltage sensor of power battery voltage.
As an improvement water pump management module, including the temperature sensor and flow sensor being arranged in water pump.
As an improvement vacuum pump management module, including the pressure sensor being arranged in vacuum pump.
As an improvement fan management module, including for identifying the speed probe of rotation speed of the fan.
As an improvement low tension battery management module, including for identifying the voltage sensor of low tension battery voltage
Device.
As an improvement three kinds of sensor signal priority ABS vehicle speed sensor ＞ wheels in the speed computing module
Fast sensor ＞ motor speed sensors.
The utility model is beneficial in that：Electric automobile electric-control system with said structure, for electric automobile
Structure, that is, control mode developed, efficiently work for careful control electric automobile total tune comprehensively.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to specific implementation
The utility model is described in further detail for mode.
As shown in Figure 1, the utility model includes processing sensor signal and the center control of instruction is sent to executing agency
Device.Sensor in the utility model refers to the various sensors on electric automobile, including various temperature, pressure, stroke etc.
For feeding back the device of actual condition.And executing agency is the general designation for including performing all devices of central processing unit order.
This electric-control system further include be connected with central controller with lower module：
Start-stop supervision module, including key switch；Key switch is used to feed back key status signal.Key switch includes machine
Tool formula and push button.Usual mechanical key switch is provided with two gears of on and off, central controller synthesis key switch
Input signal, for other algoritic modules provide the key status information module to all input signals include validity identification and
Stabilization processing, validity identification is that level validity and logical validity are matched, and stabilization processing passes through raising and lowering
Delay process is realized.Validity level and delay can be modified by way of calibration, preferably carry out logic judgment, export key
Spoon status signal.
Acceleration management module, including accelerator pedal；It is provided with the accelerator pedal for identifying accelerator travel
Acceleration stroke sensor；The distance of operator's bend the throttle is judged by accelerating travel switch, and signal is passed to
Central controller, central controller controls motor perform corresponding power.Its idiographic flow is divided into signal numerical value limit value, signal
Change seven limit value, validity check, Correlation Calibration, physical transformation, physics filtering, acceleration verification parts.Signal numerical value limits
Value is that the signal value that AD is collected is normalized, by the AD values normalized that different AD precision obtain to numerical value
Gauged magnitude of voltage is simultaneously converted into AD values by 0 (0V) to 4095 (5V)；Signal intensity limit value is to reject signal noise；Have
The verification of effect property diagnoses analog signal into line range；Correlation Calibration is that analog signal and switching signal logical relation are examined
It is disconnected；Physical transformation is that the signal value after diagnosis is converted to pedal aperture；Accelerate verification be by brake signal and signal for faster into
Row comprehensive descision and redundancy check；Physics filtering is to carry out low-pass filtering to obtained opening amount signal.Can be to system by calibration
The voltage range of dynamic signal is divided；The time of failure identification and removing can be demarcated.
Brake management module, including brake pedal；It is provided with the brake pedal for identifying brake-pedal travel
Brake stroke sensor；The distance of operator's brake pedal is judged by accelerating travel switch, and signal is passed to
Central controller, central controller controls braking mechanism perform corresponding brake force.Its idiographic flow be divided into signal numerical value normalizing,
Seven signal intensity limit value, validity check, Correlation Calibration, physical transformation, physics filtering, braking verification parts.Numerical value is returned
First, the signal value that AD is collected is normalized, by the AD values normalized that different AD precision obtain to number
Value 0 (0V) is converted to AD values to 4095 (5V) and by the magnitude of voltage for demarcating scalar；Signal intensity limit value is to reject signal noise；Have
The verification of effect property diagnoses every road analog signal into line range；Correlation Calibration be to two paths of signals proportionate relationship (logical relation) into
Row diagnosis；Physical transformation is that the signal value after diagnosis is converted to pedal aperture；It is to step on accelerator pedal and braking to brake verification
Plate carries out comprehensive descision and redundancy check；Physics filtering is to carry out low-pass filtering to obtained opening amount signal to reject shake.Pass through
Calibration can divide the scope of every road signal, and the logical relation of two paths of signals can realize that failure is recognized by demarcating
Fixed and checkout time can be demarcated.
Speed computing module, including motor speed sensor, wheel speed sensors, one kind in ABS vehicle speed sensor or
It is a variety of；The letter such as the speed for obtaining vehicle, mileage is calculated according to the information such as motor speed signal or wheel speed signal or ABS speed signal
Breath.Three signal priorities order is followed successively by ABS speed signal, wheel speed signal, is finally motor speed signal, i.e. three kinds of sensors
Priority class of traffic ABS vehicle speed sensor ＞ wheel speed sensors ＞ motor speed sensors.
Gear management module, including for identifying the gear position sensor of current gear；Central controller passes through to current vehicle
Fast and required moment of torsion is judged, calculates the gear of suitable current working.Gear management includes signal normalization, shift logic
Control and gear verify three parts.Signal normalization is that different types of gear position sensor signal is unified for software inhouse to use
In the input signal for doing shift logic control；The submodule that shift logic control is switching to gear and condition is handled；
Gear verification is then that other status informations diagnose actual-gear (reserved) according to vehicle.
Power battery management module, including for identifying the voltage sensor of power battery voltage.Its major function is
High pressure powers on and is pre-charged control flow.High pressure powers on flow since vehicle low pressure powers on and (opens vehicle launch key), arrives
High tension loop powers on completion and terminates.Precharge control flow is the sub-process that high pressure powers on flow, closes and is pre-charged from BMS
Contactor starts, and terminates to load capacitance charging, is pre-charged completion；Or precharge time-out is not completed and terminated, BMS is according to precharge
As a result (precharge complete or precharge do not complete) continues high pressure and powers on flow.BMS is powered on and precharge artifacts：BMS by
Total fiery power supply, BMS's total fire starts to work after the power is turned on, and self-test, in ready state, receives vehicle transmission electric discharge contactor and closes
Close after instructing, closure preliminary filling relay, after detect inside and outside differential pressure ＜ cell voltages 5%, the main positive relay of closure disconnects in advance
Relay is filled, delay 50ms disconnects preliminary filling relay.
Water pump management module, including the temperature sensor and flow sensor being arranged in water pump.The module is to realize
To the start-up and shut-down control and condition diagnosing of water pump of vehicle system.Water pump management is divided into the identification of cooling-water temperature sensor validity, water pump control
It is as shown below with three parts of condition monitoring, mutual relation：, only need to be by water in system configuration without cooling-water temperature sensor
Pump is set as a startup constant.
Vacuum pump management module, including the pressure sensor being arranged in vacuum pump.The modular is realized to vehicle vacuum
The control and monitoring of system.Vacuum pressure sensor has two kinds of forms of analog signal and switching signal, pressure validity identification mould
Block being capable of compatible two kinds of sensor.Vacuum pump control be according to based on vacuum-pressure signal come the start and stop to vacuum pump
Be controlled (control for putting aside the vacuum pump speed of exhaust), condition monitoring be to whole vacuum boost system pressure value and
The situation of change of pressure is monitored after vacuum pump work.
Fan management module, including for identifying the speed probe of rotation speed of the fan.The module is realized to cooling fan
Control and monitoring.The identification of temperature validity is according to system cooling circuit and sensor situation, is obtained needed for fan control
Necessary input information, these signals include and are not limited to water temperature, electric machine controller temperature, electric machine controller IGBT temperature, motor temperature
Degree, air-conditioning request etc..Fan start-stop supervision is controlled for switching mode fan.Condition monitoring be to cooling circuit temperature and
The situation of change of temperature is monitored after fan work.
Low tension battery management module, including for identifying the voltage sensor of low tension battery voltage.The module is pair
Low tension battery state is managed and controls.DCDC start-stop supervisions are according to current high pressure connection status and DCDC malfunctions
Enable or forbid DCDC to work；DCDC working point controls are (to need current sensor branch according to current accumulator electric-quantity situation
Hold) or low-pressure state adjustment DCDC output powers；Condition monitoring is that the validity and failure of DCDC working statuses are diagnosed.
In addition, this electric-control system further includes electric system state information management module, which is to electric machine controller report
Text is unpacked, and confirms the validity of bus message, so as to parse to obtain the necessary information of motor.And to electrical fault information and
Performance state carries out redundant diagnostic.Message validation is that message data field content is verified, only when message data has
Packet parsing and post-processing are just carried out in the case of effect；Packet parsing refers to obtain vehicle according to the requirement parsing of communication protocol
Signal necessary to controller algorithm.
Battery management system information management module is further included, which unpacks battery management system message, confirms
The validity of bus message, so as to parse to obtain the necessary information of battery management.And to battery failures information and performance state into
Row redundant diagnostic.Message validation is that message data field content is verified, only in the case of message data is effective
Just carry out packet parsing and post-processing；Packet parsing refers to obtain entire car controller algorithm according to the requirement parsing of communication protocol
Necessary signal.
It the above is only the preferred embodiment of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For the limitation to the utility model, the scope of protection of the utility model should be subject to claim limited range.For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make some
Improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of electric automobile electric-control system, including processing sensor signal and the center control that instruction is sent to executing agency
Device, it is characterised in that further include be connected with central controller with lower module：
Start-stop supervision module, including key switch；
Acceleration management module, including accelerator pedal；The acceleration for identifying accelerator travel is provided with the accelerator pedal
Stroke sensor；
Brake management module, including brake pedal；The braking for identifying brake-pedal travel is provided with the brake pedal
Stroke sensor；
One or more in speed computing module, including motor speed sensor, wheel speed sensors, ABS vehicle speed sensor；
Gear management module, including for identifying the gear position sensor of current gear；
Power battery management module, including for identifying the voltage sensor of power battery voltage.
2. a kind of electric automobile electric-control system according to claim 1, it is characterised in that further include：
Water pump management module, including the temperature sensor and flow sensor being arranged in water pump.
3. a kind of electric automobile electric-control system according to claim 1, it is characterised in that further include：
Vacuum pump management module, including the pressure sensor being arranged in vacuum pump.
4. a kind of electric automobile electric-control system according to claim 1, it is characterised in that further include：
Fan management module, including for identifying the speed probe of rotation speed of the fan.
5. a kind of electric automobile electric-control system according to claim 1, it is characterised in that further include：
Low tension battery management module, including for identifying the voltage sensor of low tension battery voltage.
6. a kind of electric automobile electric-control system according to claim 2, it is characterised in that further include：
Three kinds of sensor signal priority ABS vehicle speed sensor ＞ wheel speed sensors ＞ motor speeds in the speed computing module
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948277.6U CN207274587U (en) | 2017-07-31 | 2017-07-31 | Electric automobile electric-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948277.6U CN207274587U (en) | 2017-07-31 | 2017-07-31 | Electric automobile electric-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207274587U true CN207274587U (en) | 2018-04-27 |
Family
ID=61986657
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948277.6U Expired - Fee Related CN207274587U (en) | 2017-07-31 | 2017-07-31 | Electric automobile electric-control system |
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| Country | Link |
|---|---|
| CN (1) | CN207274587U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583470A (en) * | 2018-05-08 | 2018-09-28 | 天津比亚迪汽车有限公司 | A kind of electric motor coach high pressure powers on principle and problem investigation method |
| CN109164312A (en) * | 2018-07-25 | 2019-01-08 | 江苏敏安电动汽车有限公司 | Acceleration pedal of electric automobile checking algorithm |
| CN111987755A (en) * | 2019-05-24 | 2020-11-24 | 宝时得科技（中国）有限公司 | Battery pack |
| CN113442922A (en) * | 2021-06-04 | 2021-09-28 | 黄冈格罗夫氢能汽车有限公司 | Ramp auxiliary system of hydrogen fuel cell hydrogen energy automobile |
-
2017
- 2017-07-31 CN CN201720948277.6U patent/CN207274587U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583470A (en) * | 2018-05-08 | 2018-09-28 | 天津比亚迪汽车有限公司 | A kind of electric motor coach high pressure powers on principle and problem investigation method |
| CN109164312A (en) * | 2018-07-25 | 2019-01-08 | 江苏敏安电动汽车有限公司 | Acceleration pedal of electric automobile checking algorithm |
| CN111987755A (en) * | 2019-05-24 | 2020-11-24 | 宝时得科技（中国）有限公司 | Battery pack |
| CN113442922A (en) * | 2021-06-04 | 2021-09-28 | 黄冈格罗夫氢能汽车有限公司 | Ramp auxiliary system of hydrogen fuel cell hydrogen energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 641300 Sichuan Ziyang City, Ziyang City, Yanjiang District, Chengnan industrial centralized development area, modern Avenue 1 Patentee after: Hyundai commercial vehicle (China) Co.,Ltd. Address before: 641300 Sichuan Ziyang City, Ziyang City, Yanjiang District, Chengnan industrial centralized development area, modern Avenue 1 Patentee before: SICHUAN HYUNDAI MOTOR Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |