CN207931597U - A kind of motor wagon energy-saving driving suggestion device - Google Patents
A kind of motor wagon energy-saving driving suggestion device Download PDFInfo
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- CN207931597U CN207931597U CN201820198052.8U CN201820198052U CN207931597U CN 207931597 U CN207931597 U CN 207931597U CN 201820198052 U CN201820198052 U CN 201820198052U CN 207931597 U CN207931597 U CN 207931597U
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- microcontroller
- motor
- saving driving
- energy
- controller
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Abstract
A kind of motor wagon energy-saving driving suggestion device, including motor controller, power battery administrative unit, middle control instrument controller and accelerator pedal position sensor, the motor controller, power battery administrative unit and middle control instrument controller are connected with CAN bus respectively, the CAN bus is connected by CAN bus transceiver with microcontroller communication, the microcontroller is electrically connected with voice prompting device and liquid crystal display respectively, the accelerator pedal position sensor and the monolithic mechatronics.By above-mentioned technical proposal, the utility model provides a kind of motor wagon energy-saving driving device that can effectively improve electric vehicle cruising ability and traffic safety, promotes electric vehicle industry development to realize.
Description
Technical field
The utility model belongs to electric vehicle engineering and field, prompts to fill more particularly to a kind of motor wagon energy-saving driving
It sets.
Background technology
With the exacerbation in short supply and environmental pollution of the energy, China or even Global Auto manufacturer are all being dedicated to new energy
The research of automobile.Electric vehicle is a main direction of development of automobile industry as the representative of new-energy automobile, and obtains
The support energetically of country, there is vast potential for future development.Motor wagon is used as commerial vehicle in City Logistics Transportation
Extensively.The cruising ability deficiency of electric vehicle affects its usability, and the difference of driving habit often leads to the continuation of the journey of battery
The difference of ability, good driving habit are conducive to improve the cruising ability of electric vehicle.In addition, specification driving habit can according to investigations
To reduce accident rate, so not only contributing to improve the cruising ability of electric vehicle with energy-saving driving suggestion device, promote electricity
Electrical automobile industry development is also beneficial to improve traffic safety.
Invention content
The purpose of the utility model is to overcome existing deficiency, provide it is a kind of can effectively improve electric vehicle cruising ability with
And the motor wagon energy-saving driving device of traffic safety, promote electric vehicle industry development to realize.
The purpose of this utility model and to solve its technical problem realized using following technical scheme.It is new according to this practicality
A kind of motor wagon energy-saving driving suggestion device that type proposes comprising motor controller, power battery administrative unit, middle control
Instrument controller and accelerator pedal position sensor.The wherein described motor controller, power battery administrative unit and in
Control instrument controller is connected with CAN bus respectively, which is connected by CAN bus transceiver with microcontroller communication, the list
Piece machine is electrically connected with voice prompting device and liquid crystal display respectively, and the accelerator pedal position sensor is electromechanical with the monolithic
Connection.
The purpose of this utility model and solution technical problem can also be applied to the following technical measures to achieve further.
A kind of motor wagon energy-saving driving suggestion device above-mentioned, wherein the microcontroller uses
STM32F103RBT6 microcontrollers.
A kind of motor wagon energy-saving driving suggestion device above-mentioned, wherein the motor wagon refers to being equipped with speed changer
Motor wagon.
By above-mentioned technical proposal, the utility model proposes a kind of motor wagon energy-saving driving suggestion device pass through acceleration
The collected signal of pedal position sensor determine motor wagon whether in uneconomic driving mode or driver whether
There is nonstandard driving behavior, correct prompt is made by liquid crystal display and voice prompting device, reminds driver correct
Operation can not only extend the course continuation mileage of motor wagon with most energy-efficient drive manner, also greatly improve traffic safety.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the technology of the utility model
Means, and being implemented in accordance with the contents of the specification, and to allow the above and other purpose of the utility model, feature and excellent
Point can be clearer and more comprehensible, special below to lift preferred embodiment, and coordinate attached drawing, and detailed description are as follows.
Description of the drawings
Fig. 1 is the structure connection relationship diagram of the utility model.
Fig. 2 is the interface circuit figure of microcontroller and liquid crystal display in the utility model.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined goal of the invention is taken, below
In conjunction with attached drawing and preferred embodiment, to according to the utility model proposes a kind of motor wagon energy-saving driving suggestion device it is specific
Embodiment, structure, feature and its effect are described in detail as after.
It please refers to Fig.1 to Fig. 2, a kind of motor wagon energy-saving driving suggestion device of the utility model comprising motor
Controller 1, power battery administrative unit 2, middle control instrument controller 3 and accelerator pedal position sensor 4, wherein described electronic
Machine controller 1, power battery administrative unit 2 and middle control instrument controller 3 are connected with CAN bus 5 respectively, and the CAN bus 5 is logical
It crosses CAN bus transceiver 6 to be connected by communication with microcontroller 7, the microcontroller 7 is electric with voice prompting device 8 and liquid crystal display 9 respectively
Connection, the accelerator pedal position sensor 4 are electrically connected with the microcontroller 7.Specifically, the motor controller 1 provides
The information such as motor output torque, motor transient speed and instantaneous power are to microcontroller 7；Power battery administrative unit 2 provides electronic
The information such as remaining capacity, the instantaneous electricity-consumption amount of lorry power battery are to microcontroller 7；Middle control instrument controller 3 provides motor wagon
Gear and speed information to microcontroller 7；Accelerator pedal position sensor 4 provides pedal position signal to microcontroller 7.
Preferably, the microcontroller 7 uses STM32F103RBT6 microcontrollers, STM32F103RBT6 possesses high performance
32 RI SC core As RM Cortex-M3, working frequency 72MHz, embedded flash memory 128KB, SRAM 20KB.Outside it
If abundant, 51, I/O mouths can be used, 12 ADC 2 of 1 μ s, 1, full speed USB (OTG) interface, CAN interface 1,4M/s's
UART3, SPI2 of 18M/s, I2C2 etc..The controller function is powerful, low in energy consumption, in 72MHz, consumes 36mA (institutes
Have peripheral hardware in running order), it is equivalent to 0.5mA/Hz, drops to 2 μ A when standby, power consumption is most in the market at 32 again for the product
Low, included CAN controller can be used as the communication interface with the external world, can reduce device, simplify circuit.
Preferably, TJA1050 high-speed CAN transceiver of the CAN bus transceiver 6 using the production of PH I LPS companies,
There are one current limit circuit, a temperature protection circuit, CAN underlying protocols to be integrated in chip hardware by TJA1050, facilitates use
Family uses.The CAN signal of microcontroller receives pin RX and sends the ends RXD and TXD that pin TX is connected to TJA1050.
Preferably, it is one that nine rump electron science and technology of Guangzhou is released that voice prompting device 8, which uses NV065A speech chips, the chip,
Money is suitble to the technical grade OTP speech chips of factory's yield production type；There is one group of PWM delivery outlet, can directly push away 0.5w loudspeaker, sound quality is clear
It is clear；It supports the control of one line serial ports of main control MCU, can arbitrarily control multistage speech trigger.
Preferably, liquid crystal display 9 selects 4.5 cun of TFT LCDs, operating voltage 3.3V, maximum operating currenbt
70MA, resolution ratio are 320 × 480.Specifically, the microcontroller 7 and 9 interface circuit figure of liquid crystal display such as Fig. 2 of the utility model
It is shown.
When device work described in the utility model, CAN bus 5 is believed from 3 acquisition gears on vehicle-mounted middle control instrument controller
Number and speed signal, collect motor output torque, motor transient speed, instantaneous power from vehicle-mounted motor controller 1,
Battery dump energy and instant discharge power are acquired from vehicle mounted dynamic battery administrative unit 2, and pass through CAN bus transceiver
6 are transferred to microcontroller 7, above-mentioned each signal that the processing of microcontroller 7 is received by CAN transceiver 6.Accelerator pedal position sensor
Pedal position signal is passed to microcontroller 7 by 4.Microcontroller 7 is according to the torque characteristic curve of motor and putting for power battery
Electrical characteristics curve, by preset algorithm calculate with current vehicle condition be adapted energy-saving driving gear, and with it is current
The actual-gear of vehicle compares.Specifically, microcontroller 7 calculates current hundred kilometers of power consumption first, liquid crystal display is used in combination
Device 9 is shown；Secondly, microcontroller 7 passes through collected motor output torque, motor transient speed and power, power battery
The information such as instantaneous electricity-consumption amount, speed, accelerator pedal position, which calculate and compare, show whether the transport condition is economy run state,
Including speed size and power consumption.If it is display " economic row in economy run state then microcontroller control liquid crystal display 9
It sails "；If not economy run state, if then microcontroller judges that the economic gear driven is higher than current gear, microcontroller
It controls liquid crystal display 9 and shows " x grades please be rise to " printed words, if it is determined that being less than current gear, then microcontroller control to economic gear
Liquid crystal display 9 processed shows " begging to surrender to x grades " printed words.
Further, when speed is more than 7 pre-set threshold value of microcontroller, the prompt of 7 control voice prompting device of microcontroller
Driver's slow down.When microcontroller 7 judges idling mode by speed signal and gear signal, microcontroller 7 records vehicle
The idle time, when dead time is more than preset value, microcontroller 7 controls the display of liquid crystal display 9 please don't be idle for a long time
Speed.When driver continuously drives a vehicle more than the preset time (2 hours) of microcontroller 7, microcontroller 7 controls the display of liquid crystal display 9 and " asks
Parking rest ".When microcontroller 7 detects vehicle acceleration or deceleration is more than the threshold value of setting (according to previous moment speed
Acceleration or deceleration are calculated with current vehicle speed), microcontroller 7, which controls the display of liquid crystal display 9, " please don't suddenly accelerate！" or " ask
It is not anxious to slow down！”.
The above descriptions are merely preferred embodiments of the present invention, and any person skilled in the art is not
It is detached within the scope of technical solutions of the utility model, according to the technical essence of the utility model any letter made to the above embodiment
Single modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.
Claims (3)
1. a kind of motor wagon energy-saving driving suggestion device, it is characterised in that including motor controller (1), power battery management
Unit (2), middle control instrument controller (3) and accelerator pedal position sensor (4),
The motor controller (1), power battery administrative unit (2) and middle control instrument controller (3) respectively with CAN bus
(5) be connected, which is connected by communication by CAN bus transceiver (6) and microcontroller (7), the microcontroller (7) respectively with
Voice prompting device (8) and liquid crystal display (9) electrical connection, the accelerator pedal position sensor (4) and the microcontroller (7)
Electrical connection.
2. a kind of motor wagon energy-saving driving suggestion device according to claim 1, it is characterised in that the microcontroller (7)
Using STM32F103RBT6 microcontrollers.
3. a kind of motor wagon energy-saving driving suggestion device according to claim 1, it is characterised in that the motor wagon
Refer to the motor wagon equipped with speed changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198052.8U CN207931597U (en) | 2018-02-05 | 2018-02-05 | A kind of motor wagon energy-saving driving suggestion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820198052.8U CN207931597U (en) | 2018-02-05 | 2018-02-05 | A kind of motor wagon energy-saving driving suggestion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207931597U true CN207931597U (en) | 2018-10-02 |
Family
ID=63651477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820198052.8U Expired - Fee Related CN207931597U (en) | 2018-02-05 | 2018-02-05 | A kind of motor wagon energy-saving driving suggestion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207931597U (en) |
-
2018
- 2018-02-05 CN CN201820198052.8U patent/CN207931597U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20190205 |