CN203920640U - Electric vehicle body control system based on UART agreement - Google Patents
Electric vehicle body control system based on UART agreement Download PDFInfo
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- CN203920640U CN203920640U CN201420234273.8U CN201420234273U CN203920640U CN 203920640 U CN203920640 U CN 203920640U CN 201420234273 U CN201420234273 U CN 201420234273U CN 203920640 U CN203920640 U CN 203920640U
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- 230000005484 gravity Effects 0.000 claims description 11
- 230000035939 shock Effects 0.000 claims description 8
- 230000035807 sensation Effects 0.000 claims description 6
- 206010039203 Road traffic accident Diseases 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 10
- 230000010354 integration Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to electric automobiles, a kind of electric vehicle body control system based on UART agreement is disclosed, comprise light unit, alarm unit, electric-motor drive unit, field bus instrument unit, turn lamp unit and CPU, lighting control module, alarm control module, display control module, turn at least one control module and CPU in control module to be integrated on same integrated chip.The utility model is together integrated in same chip by the control module for controlling unit mode of operation together with CPU, and module centralization, has simplified wiring, and wire harness is more succinct, and cost is cheaper; Turn to control module to be automatically as the criterion and automatically to play steering indicating light with actual conditions, can reduce the generation of traffic accident, improved safety by bike; Dump energy, electric current, the speed of a motor vehicle, clock, ambient temperature and failure message etc. that display control module detects system show on LCDs.
Description
Technical field
The utility model relates to electric automobiles, has related in particular to a kind of electric vehicle body control system based on UART agreement.
Background technology
On current traditional electrical motor-car, be mounted with the external equipment such as instrument, annunciator, Der Blink und Abblendschalter, controller, lamp group driver module, its cable complexity, circuit is loaded down with trivial details, and branch is more, and line drop is larger, and car load protective value is poor, and battery is easily stolen; And in use controller and instrument there is no direct order contact, like this to some hidden danger of the security presence of car load, such as some major failure instrument of controller is also ignorant, in the unwitting situation of instrument, mean that user is ignorant, what user just cannot be correct makes certain measure.
Current battery-driven car is not equipped with the equipment of auto-steering function, some users often always forget and open steering indicating light in the process of moving, the traffic accident that current battery-driven car causes is very frequent, if any the equipment of auto-steering function, even if forgetting, user opens pole changer, equipment also can identify active user what feels like doing, and can greatly improve safety.
Therefore be necessary to study a kind of battery-driven car of simplifying wiring, being automatically as the criterion and automatically playing steering indicating light, can show the information such as dump energy, electric current, the speed of a motor vehicle, clock, ambient temperature and fault with actual conditions.
Summary of the invention
The purpose of this utility model is to provide a kind of electric vehicle body control system based on UART agreement of simplifying wiring, being automatically as the criterion and automatically playing steering indicating light, can show the information such as dump energy, electric current, the speed of a motor vehicle, clock, ambient temperature and fault with actual conditions.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Electric vehicle body control system based on UART agreement, comprise light unit, alarm unit, electric-motor drive unit, field bus instrument unit, turn lamp unit and CPU, light unit comprises lighting control module, alarm unit comprises alarm control module, field bus instrument unit comprises display control module, turn lamp unit comprise turn to control module with the steering evaluator that turns to control module to be connected, lighting control module, alarm control module, display control module, turn at least one control module and CPU in control module to be integrated on same integrated chip.Each unit is equipped with a control module for controlling this cell operation state.
As preferably, light unit also comprises the night-run lamp, passing light, country beam, night-run lamp switch, passing light switch, main furnace building light switch, the light sensation sensor that are all connected with lighting control module.
As preferably, turn lamp unit also comprises all and the left steering lamp that turns to control module to be connected, right steering lamp, left steering switch, right steering switch.
As preferably, alarm unit also comprises loudspeaker, horn switch, several shock sensors of being all connected with alarm control module.
As preferably, field bus instrument unit also comprises the LCDs, the USB interface that are all connected with display control module.
As preferably, electric-motor drive unit comprises motor control module and the motor being connected with motor control module.
As preferably, also comprise the three axle Gravity accelerometers that are connected with CPU.
The utility model is together integrated in same chip by the control module for controlling unit mode of operation together with CPU, and module centralization, has simplified wiring, and wire harness is more succinct, and cost is cheaper; The steering evaluator arranging can detect actual steering operation, and this detection signal is fed back to and turns to control module, turns to control module to be automatically as the criterion and automatically to play steering indicating light with actual conditions, can reduce the generation of traffic accident, has improved safety by bike; Dump energy, electric current, the speed of a motor vehicle, clock, ambient temperature and failure message etc. that display control module detects system show on LCDs.Concrete advantage is as follows:
1. LCDs shows abundant content: field bus instrument unit is as a display platform intuitively, in liquid crystal display screen display abundant content as electric weight, electric current, the speed of a motor vehicle, temperature, clock, fault etc.;
2. radio frequency is antitheft: this function has improved the safety of car load greatly, and the private key that user uses vehicle need be equipped with depot's outfit could be opened, otherwise cannot normally move.
3. anti-battery-theft: this function can reduce the stolen risk of battery by actv., once battery is split, system will be reported to the police provides user or periphery crowd;
4. shock sensor, temperature sensor: the system integration two kinds of sensors, shock sensor can carry out setting up defences of car load, temperature sensor can be checked current outdoor real time temperature;
5. light sensing lamp control automatically: built-in light sensation sensor can be controlled the lamp group of vehicle automatically, also can manually control, inner integrated auto-steering function.
6. drive high-power lamp group: system is built-in can drive 12V/60W bulb, and short-circuit protection function is all with on each road, once short circuit shows fast in instrument;
7. failure analysis and demonstration: system is analyzed bus data automatically, judges fault and in instrument, shows.
8. auto-steering and gradient recognition function: in field bus instrument unit, integrated three axle Gravity accelerometers can identify user's current action, and the gradient situation on road surface, and electric machine controller carries out the increase and decrease of power-handling capability according to gradient size.
9.CPU: adopt state-of-the-art sine wave drive technology to drive motor, coordinate field bus instrument cell data rationally to control, sine wave drive reduces noise greatly, improves user's traveling comfort.
Brief description of the drawings
Fig. 1 is the principle schematic of control system of the present utility model.
Fig. 2 is light unit and turn lamp unit control system figure.
Fig. 3 is radiofrequency signal Acquisition Circuit figure.
Fig. 4 is acceleration due to gravity signal acquisition circuit figure.
Fig. 5 is the circuit diagram of alarm control module.
Fig. 6 is failure alarm circuit figure.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
Electric vehicle body control system based on UART agreement, as shown in Figure 1 to Figure 2, comprise light unit, alarm unit, electric-motor drive unit, field bus instrument unit, turn lamp unit and CPU, light unit comprises lighting control module, alarm unit comprises alarm control module, field bus instrument unit comprises display control module, turn lamp unit comprises and turns to control module, lighting control module, alarm control module, display control module, turn at least one control module and CPU in control module to be integrated on same integrated chip, after being integrated on same integrated chip, it is called after integration module.Each unit is equipped with a control module for controlling this cell operation state.
In the present embodiment, lighting control module, alarm control module, display control module, turn to control module and CPU to be all integrated on same integrated chip.
Also comprise that inside is provided with the key of RF chip, CPU comprises radiofrequency signal Acquisition Circuit.Radiofrequency signal Acquisition Circuit is for gathering RF chip information on the key.The RFID radio RF recognition technology of uses advanced, whether after battery-driven car powers on, automatically detect tapered end mates with the heading code of key, this function has improved the safety of car load greatly, and the private key that user uses vehicle need be equipped with depot's outfit could be opened, otherwise cannot normally move.Radiofrequency signal Acquisition Circuit as shown in Figure 3.Radiofrequency signal Acquisition Circuit comprises 74HC4060 chip.
CPU also comprises anti-battery-theft circuit, and anti-battery-theft circuit is connected with loudspeaker, and anti-battery-theft circuit detects car load power supply status automatically, and removes automatic alarm under state at battery, more " insurance ".Real-Time Monitoring battery status, if detect, battery removes extremely, automatically starts the strategy of reporting to the police, loudspeaker are reported to the police, and lock motor.
Also comprise the acceleration due to gravity signal acquisition circuit and the GPS device that are all connected with CPU; Acceleration due to gravity signal acquisition circuit comprises three axle Gravity accelerometers.Whether three built-in axle Gravity accelerometers of system can have the collision of generation by Real-Time Monitoring battery-driven car, and crashworthness of systemic presupposition, exceedes this threshold values once monitor acceleration due to gravity, and system will think that traffic accident has occurred current state.System will be informed the GPS device being contained in battery-driven car by bus form, location rescue in time fast.Acceleration due to gravity signal acquisition circuit as shown in Figure 4.Three axle Gravity accelerometers adopt MXD2020E chip, MXD2020E chip is provided with the pin of called after 1-8, pin 1 is Tout interface, pin 2 is AoutY interface, and pin 3 is GND interface, and pin 4 is VDA interface, pin 5 is AoutX interface, pin 6 is Vref interface, and pin 7 is Sck interface, and pin 8 is VDD interface.Pin 3 ground connection, pin 2 is connected with the resistance of called after R6, is in series with the electric capacity of called after C3 between pin 2 and pin 3, and the capacitance of capacitor C 3 is 1uF.The power supply that after the Capacitance parallel connection of pin 4 and called after C4, one end is 3.3V with voltage is connected, other end ground connection.Pin 7 ground connection, pin 5 is connected with the resistance of called after R7, is in series with the electric capacity of called after C5 between pin 7 and pin 5, and the capacitance of capacitor C 5 is 1uF.The power supply that after the Capacitance parallel connection of pin 8 and called after C6, one section is 3.3V with voltage is connected, other end ground connection.
Light unit also comprises the night-run lamp, passing light, country beam, night-run lamp switch, passing light switch, main furnace building light switch, the light sensation sensor that are all connected with lighting control module.Lighting control module is controlled the mode of operation of night-run lamp, passing light, country beam according to the induced signal of the closed situation of night-run lamp switch, passing light switch, main furnace building light switch and light sensation sensor.
Manually control: in the time that night-run lamp switch is closed, enters manual light source control pattern and light night-run lamp; In the time of the disconnection of the closed main furnace building light switch simultaneously of passing light switch, passing light is lighted country beam and is not worked; When passing light switch and main furnace building light switch are all after closure, country beam is preferentially lighted, close dipped beam.
Full automatic control: after night-run lamp switch disconnects, system enters full automatic control pattern; In the time that light sensation sensor detects that environmental light intensity is less than 55Lux, to control night-run lamp and automatically light, when environmental light intensity continues to be reduced to 20Lux, country beam is opened automatically, now can freely be switched by far and near light switch by user; In the time that environmental light intensity goes back up to 40Lux, far-reaching headlamp turn-off, while continuing to go back up to 65Lux, night-run lamp is closed; Automatically while control, system is controlled by fuzzy algorithm, moves about 5 to 10 seconds when reaching about time delay after condition.
Turn lamp unit also comprises all and the left steering lamp that turns to control module to be connected, right steering lamp, left steering switch, right steering switch, steering evaluator.
Turn to control module to be connected with CPU.Turn to control module to control the mode of operation of corresponding steering indicating light according to the signal of left steering switch, right steering switch and steering evaluator.
Manually control: system has adopted the left and right pole changer of some dynamic formula, in the time will playing steering indicating light in advance as long as left or right switch pulls out and puts hand switch self-return, system identification is to the reminding turning sound that corresponding steering indicating light glimmered for 10 seconds and sends with system inside trumpet after manual turn sign, and loudspeaker can be used the loudspeaker in alarm unit.
Automatically control: played in advance or do not beaten steering indicating light no matter current, when steering evaluator detects actual steering operation, and this detection signal is fed back to and turns to control module, turn to control module automatically with the actual conditions reminding turning sound of automatically playing steering indicating light and sending with system inside trumpet that is as the criterion; In the time that the steering indicating light direction of manually pulling out is in advance contrary with actual steering, system is glimmered with the actual steering direction flash light that is as the criterion, and sends two sound miscue sounds, so that user forms a habit; In the time that the steering indicating light direction of manually pulling out is in advance identical with actual steering, system continues, by dialing direction flicker, now not send out miscue sound, until vehicle body just returns, flash light stops flicker.
Alarm unit also comprises loudspeaker, horn switch, several shock sensors of being all connected with alarm control module.Integrated multiple shock sensor, makes car load to environmental vibration, more " reliably ".When battery-driven car is parked, if detect, vehicle body vibrations exceed default amplitude, automatically start the strategy of reporting to the police, and loudspeaker are reported to the police, lock motor.The circuit diagram of alarm control module as shown in Figure 5, after several shock sensor parallel connections, one end is connected with power supply, the other end resistance in parallel with two is connected, two resistance in parallel called after resistance R 1 and resistance R 2 respectively, the resistance of resistance R 1 is 1K, the resistance of resistance R 2 is 100K, and resistance R 1 is connected with capacitor C 1, two resistance eutral groundings after parallel connection.The signal input part of shock sensor is in parallel with capacitor C 1.
Field bus instrument unit also comprises the LCDs, the USB interface that are all connected with display control module, and dump energy, electric current, the speed of a motor vehicle, clock, ambient temperature and failure message etc. that display control module detects system show on LCDs.USB interface facilitates user in the process of riding, to carry out mobile phone charging, and charge information can be shown on LCDs.Each control module is all with short-circuit protection circuit and bulb, once thereby the bulb of this circuit of short circuit lights on LCDs and shows fast, the bulb that bulb is 12V/60W.
As shown in Figure 6, also comprise fault alarm unit, fault alarm unit comprises failure alarm circuit, failure alarm circuit comprises ALARM_IC_COB chip, it is COB integrated chip, ALARM_IC_COB chip is provided with from top to bottom the pin of called after 1-16 successively, pin 1 is OSCI interface, pin 2 is OSCO interface, pin 3 is VDD interface, pin 4 is DAC interface, pin 5 is BK interface, pin 6 is DO interface, pin 7 is LED_K interface, pin 8 is Alarm_key interface, pin 9 is left_key interface, pin 10 is righet_key interface, pin 11 is ADj interface, pin 12 is L_r_alarm_led interface, pin 13 is R_LED interface, pin 14 is Head_led interface, pin 15 is L_LED interface, pin 16 is GND interface.Pin 1 is connected with pin 2 after connecting with the resistance of called after R3, and the prevention of resistance R 3 is 250K.Pin 3 ground connection again after being connected with the electric capacity of called after C2, the capacitance of capacitor C 2 is 0.1uF, between pin 3 and capacitor C 2, be in series with the aerotron of called after Q1, the collecting electrode of aerotron Q1 is connected with pin 3, the emitter of aerotron Q1 is connected with power supply, between the emitter of aerotron Q1 and base stage, be in series with the resistance of called after R4, the resistance of resistance R 4 is 10K.Pin 4 is being connected with the base stage of the aerotron of called after Q2 after connecting with the resistance of called after R5, the grounded emitter of aerotron Q2, the collecting electrode of aerotron Q2 is connected with the inductance of called after L1, inductance L 1 comprises lead-in wire 1, lead-in wire 2 lead-in wires 3, the collecting electrode of aerotron Q2 is connected with lead-in wire 2, between aerotron Q2 and lead-in wire 3, is connected with buzzing sheet.Pin 16 ground connection, pin 11 is connected with clock.
Also comprise the integrated temperature sensor being connected with display control module, integrated temperature sensor, for detection of extraneous real time temperature, makes user understand in real time ambient temperature, more " intimate ".
Most of unit in the present embodiment is distributed in battery-driven car car body first half, therefore the control module in these unit can be carried out integrated, form integration module.And because electric-motor drive unit is arranged on car body latter half, far away with above-mentioned integration module, therefore in the present embodiment it to be listed separately, electric-motor drive unit comprises motor control module and the motor being connected with motor control module.Motor control module is connected with integration module by connection.
In addition,, by the control program of integration module is set, corresponding control module in integration module is coordinated under the scheduling of CPU realize the S type limitation function of riding.The restriction of riding of S type: when user by bike time the first from left bottom right once rock continuous 10 times, every minor tick was less than for 4 seconds, system think active user be danger by bike, PC Speaker can yowl for 5 seconds, motor control module can limit the F-Zero of vehicle simultaneously, to improve safety by bike, interval time, number of times, F-Zero and longtime call of horn time all can be adjusted by setting.The detection signal that turning to dependence steering evaluator that turn lamp unit and this S type are ridden in limitation function is judged, and can be carried out as required adjustment of sensitivity.Sensitivity manual regulation: car load keeps without after tilting, and a selected headstock steering angle is pinned equidirectional pole changer and horn switch simultaneously, completes adjustment of sensitivity (sensitivity is directly proportional to steering angle size) after under horns blared 16-18.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (7)
1. the electric vehicle body control system based on UART agreement, it is characterized in that: comprise light unit, alarm unit, electric-motor drive unit, field bus instrument unit, turn lamp unit and CPU, light unit comprises lighting control module and the light sensation sensor being connected with lighting control module, alarm unit comprises alarm control module and the shock sensor being connected with alarm control module, field bus instrument unit comprises display control module, turn lamp unit comprise turn to control module with the steering evaluator that turns to control module to be connected, lighting control module, alarm control module, display control module, turn at least one control module and CPU in control module to be integrated on same integrated chip.
2. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: light unit also comprises the night-run lamp, passing light, country beam, night-run lamp switch, passing light switch, the main furnace building light switch that are all connected with lighting control module.
3. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: turn lamp unit also comprises all and the left steering lamp that turns to control module to be connected, right steering lamp, left steering switch, right steering switch.
4. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: alarm unit also comprises the loudspeaker, the horn switch that are all connected with alarm control module.
5. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: field bus instrument unit also comprises the LCDs, the USB interface that are all connected with display control module.
6. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: electric-motor drive unit comprises motor control module and the motor being connected with motor control module.
7. the electric vehicle body control system based on UART agreement according to claim 1, is characterized in that: also comprise the three axle Gravity accelerometers that are connected with CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234273.8U CN203920640U (en) | 2014-05-08 | 2014-05-08 | Electric vehicle body control system based on UART agreement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234273.8U CN203920640U (en) | 2014-05-08 | 2014-05-08 | Electric vehicle body control system based on UART agreement |
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| CN203920640U true CN203920640U (en) | 2014-11-05 |
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| CN201420234273.8U Expired - Lifetime CN203920640U (en) | 2014-05-08 | 2014-05-08 | Electric vehicle body control system based on UART agreement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015495A (en) * | 2016-01-28 | 2017-08-04 | 林锋 | A kind of electric vehicle control system |
| CN111824046A (en) * | 2019-04-13 | 2020-10-27 | 比亚迪股份有限公司 | Integrated chip, vehicle control system, equipment and vehicle |
-
2014
- 2014-05-08 CN CN201420234273.8U patent/CN203920640U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015495A (en) * | 2016-01-28 | 2017-08-04 | 林锋 | A kind of electric vehicle control system |
| CN111824046A (en) * | 2019-04-13 | 2020-10-27 | 比亚迪股份有限公司 | Integrated chip, vehicle control system, equipment and vehicle |
| CN111824046B (en) * | 2019-04-13 | 2022-03-18 | 比亚迪股份有限公司 | Integrated chip, vehicle control system, equipment and vehicle |
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| C14 | Grant of patent or utility model | ||
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Owner name: ZHEJIANG JINKAI ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JINHUA CITY JINKAI ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20150716 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150716 Address after: Jinhua City, Zhejiang province 321000 new street Wucheng District Gold Street No. 938 Patentee after: ZHEJIANG JINKAI ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 321000 Zhejiang province Jinhua Wujiang Road No. 478 Patentee before: Jinhua Jinkai Electronic Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321000 938 golden belt street, Xinshi street, Wucheng District, Jinhua, Zhejiang Patentee after: ZHEJIANG JINKAI INTERNET OF THINGS TECHNOLOGY CO.,LTD. Address before: 321000 938 golden belt street, Xinshi street, Wucheng District, Jinhua, Zhejiang Patentee before: ZHEJIANG JINKAI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinhua Qianqi Technology Co.,Ltd. Assignor: ZHEJIANG JINKAI INTERNET OF THINGS TECHNOLOGY CO.,LTD. Contract record no.: X2023330000468 Denomination of utility model: Electric Vehicle Body Control System Based on UART Protocol Granted publication date: 20141105 License type: Common License Record date: 20230802 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |