CN105599676A - Electric vehicle parking indicating and alarming system and operating method - Google Patents
Electric vehicle parking indicating and alarming system and operating method Download PDFInfo
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- CN105599676A CN105599676A CN201610044500.4A CN201610044500A CN105599676A CN 105599676 A CN105599676 A CN 105599676A CN 201610044500 A CN201610044500 A CN 201610044500A CN 105599676 A CN105599676 A CN 105599676A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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Abstract
The invention discloses an electric vehicle parking indicating and alarming system and an operating method. The electric vehicle parking indicating and alarming system comprises a driver detection device and a vehicle control unit, wherein the driver detection device is used for detecting whether a driver sits on a driver seat and transmitting the state to a host computer in an electrical signal manner; the vehicle control unit is used for judging whether a vehicle is at a driving state according to vehicle information and broadcasting the vehicle state to the host computer connected to the network through CAN message; the host computer is used for driving an audible and visual alarm unit to work on the basis of established control logic according to the received vehicle state and driver state. When the driver leaves the driver seat in a vehicle driving state, the host computer sends out an obvious audible and visual alarm signal to remind the driver of turning off a vehicle starting switch and then leaving, so that safety accidents caused by unexpected movement for the vehicle due to incorrect operations are effectively avoided.
Description
Technical field
The present invention relates to electric automobile alarm field, be specifically related to a kind of electric automobile parking indication warning system and method for work.
Background technology
At present, the category of electric automobile is mainly contained plug-in hybrid electric automobile and pure electric automobile, both possesses pureElectric drive mode, relies on electric energy to be converted into mechanical energy by drive motors completely and drives Vehicle Driving Cycle. Electric automobile is owing to not havingEngine, does not need starter to pilot engine, and the process and the orthodox car difference that start vehicle are larger. Orthodox car is startingThe obvious starter of Shi Huiyou pulls noise and the obvious Vehicular vibration of engine running, and driver is easy to by sentencing in carDisconnected these two obvious features just can be known the whether state in starting of vehicle.
Electric automobile does not possess this two features in the time starting, and can only, by observing the prompting of instrument, judge that whether vehicle is in openingThe state moving. If driver does not note the start-up course of observing instrument or being unfamiliar with electric automobile, the feelings that are being not ready forUnder condition, engage a gear or the stepping on accelerator pedal of mistake, easily cause vehicle to occur less desirable movement, causes security incident. Particularly electricityMotor vehicle is in the time of " wheeled " state, and driver leaves after vehicle, and other staff do not note vehicle-state now, very easilyMistake step on the accelerator causes security incident.
Note: " wheeled " state according to GB/T18384.2-2001 " electric automobile safety requirements part 2: functional safety andEmergency protection " the 4.1st article judge, only at this state, in the time using accelerator pedal, vehicle can travel.
Summary of the invention
The deficiency existing for solving prior art, the invention discloses a kind of electric automobile parking indication warning system and method for work,This system is used for solving prior art, and when driver leaves the electric automobile in wheeled state, it is effective that vehicle cannot providePrompting warning problem.
For achieving the above object, concrete scheme of the present invention is as follows:
A kind of electric automobile parking indication warning system, comprises driver's checkout gear, described driver's checkout gear for detection ofWhether driver is sitting on driver chair, and this state is passed to main frame with the form of the signal of telecommunication;
And entire car controller, judge that according to car load information whether vehicle is in wheeled state, and pass through CAN message by vehicleState is broadcast to the main frame being connected on network;
Main frame, according to the whole vehicle state and the driver status that receive, drives acousto-optic warning unit work according to control logic.
Further, entire car controller judges that according to car load information vehicle is whether during in wheeled state, by detecting power electricThe duty of pond management system BMS and drive motor controller, if power battery management system BMS and drive motor controllerPower on normally and do not report any fault, illustrating that car load is ready, the vehicle READY state message that entire car controller sends,If entire car controller sends vehicle READY state message, vehicle is in wheeled state, otherwise vehicle is in stopping shapeState.
Further, in the time that entire car controller sends vehicle READY state message and driver and leaves driver chair, main frame activates acousto-opticAlarm unit action.
Further, described main frame comprises CAN transceiver, CAN controllers, microcontroller, and described CAN transceiver is with onlyVertical CAN controller is connected, and described CAN transceiver is also connected with the CAN network of entire car controller, and CAN transceiver is mainly used in connecingReceive the CAN message signals from entire car controller, and pass to CAN controllers; Described CAN controllers also with micro-controlDevice processed is connected, and will after the signal examination filtering fault-tolerant processing from CAN transceiver, pass to microcontroller.
Further, described main frame also comprises acousto-optic warning unit and supply module, described acousto-optic warning unit and microcontroller phaseConnect, described supply module is connected with acousto-optic warning unit, microcontroller, CAN controllers, CAN transceiver respectively.
Further, described driver's checkout gear is the snap close on pressure sensor, the driver's safety belt of installing on driver chairLockup switch or other driver's human body recognition devices.
A method of work for electric automobile parking indication warning system, comprises the following steps:
Step (1): first microcontroller detects the vehicle READY state message that entire car controller sends, if do not receivedREADY signal, power cut-off process; Otherwise, enter step (2);
Step (2): microcontroller detects the signal of telecommunication from driver's checkout gear, and whether judges driver according to this signalLeave driver chair, if driver does not leave driver chair, power cut-off process; Otherwise, enter step (3);
Step (3): microcontroller drives acousto-optic warning unit work, sends acoustical signal and optical signal double warning effect, remindsDriver leaves driver chair after closing vehicle launch switch again, guarantees vehicle safety.
Beneficial effect of the present invention:
Electric automobile parking indication warning main frame receives the vehicle running state CAN bus signals from entire car controller, and receivesFrom the signal of telecommunication of driver's checkout gear. When driver at vehicle in the time that wheeled state leaves driver chair, main frame sends brightAobvious sound and light alarm signal, leaves after prompting driver closes vehicle launch switch again, effectively avoids maloperation to cause vehicle and occursThe security incident that less desirable movement causes.
Brief description of the drawings
Fig. 1 is fundamental diagram of the present invention;
Fig. 2 is the workflow diagram of microcontroller of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, a kind of electric automobile parking indication warning system, comprising: main frame, driver's checkout gear and car load controlDevice processed.
Main frame comprises CAN transceiver, CAN controllers, microcontroller, acousto-optic warning unit and power module; DescribedCAN transceiver is connected with CAN controllers, and described CAN transceiver is also connected with the CAN network of entire car controller, mainBe used for receiving the CAN message signals from entire car controller, and pass to CAN controllers; Described independent CAN controlDevice processed is also connected with microcontroller, will after the signal examination filtering fault-tolerant processing from CAN transceiver, pass to microcontroller; InstituteState microcontroller and be also connected with driver's checkout gear, acousto-optic warning unit, comprehensively judge whole vehicle state and driver status, pressDrive acousto-optic warning unit work according to set control logic; Described acousto-optic warning unit is connected with microcontroller, is subject to microcontrollerControl, possess optical signal and voice signal double warning function; Described power module receives from the power supply of vehicle and by voltage etc.Level is converted to system required voltage, is system power supply.
Whether driver's checkout gear is sitting on driver chair mainly for detection of driver, and by this state the form with the signal of telecommunicationPass to microcontroller; This device can be opened by the snap close locking on setting pressure sensor on driver chair, driver's safety beltClose or realize by infrared human body induction installation, but being not limited to this three kinds of forms.
Entire car controller judges that according to car load information whether vehicle is in wheeled state, and by CAN message, vehicle-state is wideBroadcast to the main frame being connected on network.
Vehicle is in the time of wheeled state, and microcontroller detects that driver leaves driver chair and triggers immediately optical signal and voice signalDouble warning effect, leaves driver chair after prompting driver closes vehicle launch switch again, guarantees vehicle safety.
In the present embodiment, CAN transceiver is preferentially selected PCA82C251 chip, and CAN controllers is preferentially selected SJA1000Chip, supports to be directly connected with microcontroller, for completing the repertoire of CAN bus physical layer and data link layer. Micro-controlDevice processed is preferentially selected 80C51 family chip, for the treatment of the data from CAN controllers, and controls independent CAN and controlsThe duty of device. Set control logic is concrete following step (1)-step (3).
As shown in Figure 2, the method for work of microcontroller of the present invention, comprising:
Step (1): first microcontroller detects the vehicle READY state message that entire car controller sends, if do not receivedREADY signal, power cut-off process; Otherwise, enter step (2);
Step (2): microcontroller detects the signal of telecommunication from driver's checkout gear, and whether judges driver according to this signalLeave driver chair, if driver does not leave driver chair, power cut-off process; Otherwise, enter step (3);
Step (3): microcontroller drives acousto-optic warning unit work, sends acoustical signal and optical signal double warning effect, remindsDriver leaves driver chair after closing vehicle launch switch again, guarantees vehicle safety.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned, not the limit to protection domain of the present inventionSystem, one of ordinary skill in the art should be understood that on the basis of technical scheme of the present invention, those skilled in the art do not need to payGo out various amendments that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. an electric automobile parking indication warning system, is characterized in that, comprises driver's checkout gear, and described driver detectsWhether device is sitting on driver chair for detection of driver, and this state is passed to main frame with the form of the signal of telecommunication;
And entire car controller, judge that according to car load information whether vehicle is in wheeled state, and pass through CAN message by vehicleState is broadcast to the main frame being connected on network;
Main frame, according to the whole vehicle state and the driver status that receive, drives acousto-optic warning unit work according to control logic.
2. a kind of electric automobile parking indication warning system as claimed in claim 1, is characterized in that, entire car controller is according to wholeCar information judges that vehicle is whether in the time of wheeled state, by detecting power battery management system BMS and drive motor controllerDuty, if power battery management system BMS and drive motor controller power on normally and do not report any fault, explanationCar load is ready, and the vehicle READY state message that entire car controller sends, if entire car controller sends vehicle READY stateMessage, vehicle is in wheeled state, otherwise vehicle is in halted state.
3. a kind of electric automobile parking indication warning system as claimed in claim 1, is characterized in that, when entire car controller sendsWhen vehicle READY state message and driver leave driver chair, main frame activates acousto-optic warning unit action.
4. a kind of electric automobile parking indication warning system as claimed in claim 1, is characterized in that, described main frame comprises CANTransceiver, CAN controllers, microcontroller, described CAN transceiver is connected with CAN controllers, described CAN transmitting-receivingDevice is also connected with the CAN network of entire car controller, and CAN transceiver is mainly used in receiving the CAN message letter from entire car controllerNumber, and pass to CAN controllers; Described CAN controllers is also connected with microcontroller, by from CAN transceiverSignal passes to microcontroller after checking and accepting filtering fault-tolerant processing.
5. a kind of electric automobile parking indication warning system as claimed in claim 1, is characterized in that, described main frame also comprises soundLight alarm unit and supply module, described acousto-optic warning unit is connected with microcontroller, described supply module respectively with sound and light alarmUnit, microcontroller, CAN controllers and CAN transceiver are connected.
6. a kind of electric automobile parking indication warning system as claimed in claim 1, is characterized in that, described driver detects dressBe set to the snap close lockup switch on pressure sensor or the driver's safety belt of installing on driver chair.
7. the method for work based on the arbitrary described a kind of electric automobile parking indication warning system of claim 1-6, is characterized in that,Comprise the following steps:
Step (1): first microcontroller detects the vehicle READY state message that entire car controller sends, if do not receivedREADY signal, power cut-off process; Otherwise, enter step (2);
Step (2): microcontroller detects the signal of telecommunication from driver's checkout gear, and whether judges driver according to this signalLeave driver chair, if driver does not leave driver chair, power cut-off process; Otherwise, enter step (3);
Step (3): microcontroller drives acousto-optic warning unit work, sends acoustical signal and optical signal double warning effect, remindsDriver leaves driver chair after closing vehicle launch switch again, guarantees vehicle safety.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610044500.4A CN105599676B (en) | 2016-01-22 | 2016-01-22 | A kind of electric vehicle parking instruction alarm system and method for work |
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| CN201610044500.4A CN105599676B (en) | 2016-01-22 | 2016-01-22 | A kind of electric vehicle parking instruction alarm system and method for work |
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| CN105599676A true CN105599676A (en) | 2016-05-25 |
| CN105599676B CN105599676B (en) | 2018-05-25 |
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Cited By (6)
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| CN108216022A (en) * | 2017-12-08 | 2018-06-29 | 上海思致汽车工程技术有限公司 | A kind of electric vehicle driver leaves warning system |
| CN109050399A (en) * | 2018-09-30 | 2018-12-21 | 广东亿鼎新能源汽车有限公司 | The safety prompting system of pure electric automobile |
| CN110103876A (en) * | 2019-06-12 | 2019-08-09 | 昆山爱思贝儿童用品有限公司 | Safe-guard system and automobile seat for child, automobile with the safe-guard system |
| CN111186401A (en) * | 2018-11-15 | 2020-05-22 | 上海申龙客车有限公司 | Photovoltaic type new energy automobile power management intelligent control system |
| CN111327241A (en) * | 2018-12-14 | 2020-06-23 | 郑州宇通客车股份有限公司 | Motor identification method and vehicle applying same |
| CN111660960A (en) * | 2020-06-22 | 2020-09-15 | 东风汽车股份有限公司 | Driver off-seat vehicle alarm system in driving mode and control method thereof |
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| CN110103876A (en) * | 2019-06-12 | 2019-08-09 | 昆山爱思贝儿童用品有限公司 | Safe-guard system and automobile seat for child, automobile with the safe-guard system |
| CN111660960A (en) * | 2020-06-22 | 2020-09-15 | 东风汽车股份有限公司 | Driver off-seat vehicle alarm system in driving mode and control method thereof |
| CN111660960B (en) * | 2020-06-22 | 2023-12-22 | 东风汽车股份有限公司 | Driver-away vehicle alarm system in driving mode and control method thereof |
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|---|---|
| CN105599676B (en) | 2018-05-25 |
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Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee after: Zhongtong bus Limited by Share Ltd. Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province Patentee before: ZHONGTONG BUS HOLDING Co.,Ltd. |