CN109243911A - A kind of intelligent auto-power-off device based on electric vehicle sideways - Google Patents
A kind of intelligent auto-power-off device based on electric vehicle sideways Download PDFInfo
- Publication number
- CN109243911A CN109243911A CN201811239924.1A CN201811239924A CN109243911A CN 109243911 A CN109243911 A CN 109243911A CN 201811239924 A CN201811239924 A CN 201811239924A CN 109243911 A CN109243911 A CN 109243911A
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- electric vehicle
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- angle
- chip
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- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 229910002056 binary alloy Inorganic materials 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 230000001351 cycling effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/02—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention discloses a kind of intelligent auto-power-off device based on electric vehicle sideways, comprising: angle detection module, angle changing rate module, digital display module, power-off warning module, reseting module；The angle that the angle detection module is used to detect electric vehicle body and ground is formed；The angle changing rate module is used to receiving angle signal and angle signal is converted to binary code；The digital display module is used to show electric vehicle and the angle-data that ground is formed, and shows whether electric vehicle topples over；The power-off warning module is used to cut off the access between speed regulator for electric vehicle and electric vehicle power sources；The reseting module is used to make electric vehicle Power resumption again；The intelligence auto-power-off device structure is simple, is applied directly between electric vehicle power sources and governor, cut off the power in time when electric vehicle is toppled over so that it is guaranteed that cycling staff will not be practical due to electric vehicle is out of control by secondary injury.
Description
Technical field
The present invention relates to a kind of devices for controlling electric vehicle circuit breaking, and in particular to a kind of intelligence based on electric vehicle sideways
Energy auto-power-off device, belongs to electric vehicle safety component application field.
Background technique
With the development of the social economy, the congestion phenomenon of urban transportation is increasingly severe, electric vehicle because its is flexible, light,
The advantage of energy conservation and environmental protection is increasingly liked by people；During cycling staff rides electric vehicle, if thing occurs
So electric vehicle is caused to turn on one's side, the hand that cyclist controls speed regulator for electric vehicle tends not to unclamp in time, or even can also be subconscious
Ground is held with a firm grip handlebar, electric vehicle can be made to continue to keep driving status, and then cause electric vehicle is out of control to go out, safe thing occurs again
Therefore passer-by can be damaged by eventually causing secondary injury even to cycling staff.Therefore develop a kind of intelligence from
Dynamic circuit breaker electric installation is particularly important.
Summary of the invention
The object of the present invention is to provide one kind to be applied directly between electric vehicle power sources and governor, effectively people to be avoided to send out
After raw electric vehicle rollover event due to electric vehicle continues to keep driving status and by the simple and reliable circuit dress of secondary injury
It sets.
In order to achieve the above objectives, the technical solution adopted in the present invention is as follows:
A kind of intelligent auto-power-off device based on electric vehicle sideways, comprising: angle detection module, angle changing rate mould
Block, digital display module, power-off warning module, reseting module；The angle detection module is used to detect electric vehicle body and ground
The angle that face is formed；The angle changing rate module is used to receiving angle signal and angle signal is converted to binary code；Institute
It states digital display module to be used to show electric vehicle and the angle-data that ground is formed, and shows whether electric vehicle topples over；It is described disconnected
Electric alarm module is used to cut off the access between speed regulator for electric vehicle and electric vehicle power sources；The reseting module is used to make electric vehicle
Again Power resumption.
Further, the angle detection module includes: sensor, control line and data line, and the sensor uses
Nine axis gyroscope angular transducer of MPU9250 9DOF, the chip communication mode of the sensor are I2C communication, the control line
It is connected respectively with the corresponding pin of the angle changing rate module with the data wire pin, and just through inductance and electric vehicle power sources
Pole is connected, and the VCC and GND pin of the chip of the sensor connect the corresponding pin in the angle changing rate module respectively.
Further, the angle changing rate module is single-chip microcontroller, the model STM32F10X series of the single-chip microcontroller, institute
State PC12 the and PC11 pin of the chip of the single-chip microcontroller control line and data line with the sensor of the angle detection module respectively
To receive angle signal to be measured, the chip of the single-chip microcontroller is equipped with A/D analog-digital converter, the angle received is believed for pin connection
Number be converted to binary code, the PC13 and GND pin of the chip of the single-chip microcontroller and the reseting module and the power-off
Alarm module connection, electric vehicle power sources provide 3.3V power supply for the single-chip microcontroller.
Further, the power-off warning module includes: buzzer and relay, the buzzer and the angle changing rate
The PB8 pin of the chip of the single-chip microcontroller of module connects, the chip of the single-chip microcontroller of the relay and the angle changing rate module
VCC, GND are connected with PC13 pin to receive the instruction of the chip of the single-chip microcontroller of angle changing rate module sending；The relay
Device is selected as normally off.
Further, on development board of the digital display module by the single-chip microcontroller for being integrated in the angle changing rate module
Display screen composition, the display screen show the angle-data of X, Y, Z axis in the case where pin connects, and by color change into
Display whether row electric vehicle is toppled over.
Further, the reseting module is DS-428 reset switch, two pins point of the DS-428 reset switch
The normally closed pin and common pin in the relay of the power-off warning module are not connect, and positive and negative with electric car handle governor
Pole is connected.
Implement a kind of intelligent auto-power-off device based on electric vehicle sideways of the invention, the beneficial effect is that:
When electric vehicle is toppled over, intelligent auto-power-off device makes speed regulator for electric vehicle instant cut-off, effectively to avoid
People after electric vehicle rollover event occurs due to electric vehicle continue keep driving status and by secondary injury.
Detailed description of the invention
Attached drawing 1 is flow chart of the invention；
In figure: 1- angle detection module, 2- angle changing rate module, 3- digital display module, 4- power-off warning module, 5- are multiple
Position module.
Specific embodiment
The present invention is further described through with reference to the accompanying drawing.
As shown in Figure 1, a kind of intelligent auto-power-off device based on electric vehicle sideways, comprising: angle detection module
1, angle changing rate module 2, digital display module 3, power-off warning module 4, reseting module 5；The angle detection module 1 will test
To electric vehicle body and ground between angle signal pass to the angle changing rate module 2 and in the digital display module
It is shown in 3, the digital display module 3 shows the angle number on three directions of X, Y, Z axis between electric vehicle and ground
According to, and early warning is carried out by " green ", " red " color change；The 2 receiving angle signal of angle changing rate module and by angle signal
Be converted to binary code；The power-off warning module 4 is used to cut off the access between speed regulator for electric vehicle and electric vehicle power sources；
The reseting module 5 is used to make electric vehicle Power resumption again.
As shown in Figure 1, a kind of intelligent auto-power-off device based on electric vehicle sideways, work step are as follows: work as electricity
When motor-car is toppled over, the digital display module 3 shows the alarm of " red " color, and the angle changing rate module 2 is by comparing backward described
Power-off warning module 4 issues the command signal of power-off, the buzzer call of the power-off warning module 4, while the power-off and warns
Show that the relay of module 4 is converted to off-state by closed state, cuts off logical between speed regulator for electric vehicle and electric vehicle power sources
Road；When cyclist props up electric vehicle again, the angle detection module 1 detects that angle is restored to angle of normally riding,
And the angle changing rate module 2 is transmitted signals to, the relay of the power-off warning module 4 receives the angle changing rate module 2
The command signal of the recovery normally off of sending；The reset switch of the reseting module 5 keeps speed regulator for electric vehicle also inextensive at this time
It is multiple to be powered, make electric vehicle will not continue to keep riding condition, the reset switch that cyclist must press the reseting module 5 makes again
Electric vehicle is powered, to effectively prevent cyclist when propping up electric vehicle since electric vehicle continues that riding condition is kept to lead to electric vehicle
It is out of control and secondary injury is caused to cyclist.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of intelligent auto-power-off device based on electric vehicle sideways characterized by comprising angle detection module
(1), angle changing rate module (2), digital display module (3), power-off warning module (4), reseting module (5)；The angle detection
The angle that module (1) is used to detect electric vehicle body and ground is formed；The angle changing rate module (2) is used to receiving angle signal
And angle signal is converted into binary code；The digital display module (3) is used to show electric vehicle and the angle that ground is formed
Degree evidence, and show whether electric vehicle topples over；The power-off warning module (4) is used to cut off speed regulator for electric vehicle and electric vehicle electricity
Access between source；The reseting module (5) is used to make electric vehicle Power resumption again.
2. a kind of intelligent auto-power-off device based on electric vehicle sideways as described in claim 1, which is characterized in that institute
Stating angle detection module (1) includes: sensor, control line and data line, and the sensor uses nine axis top of MPU9250 9DOF
Spiral shell instrument angular transducer, the chip communication mode of the sensor are I2C communication, the control line and the data wire pin point
It is not connected with the corresponding pin of the angle changing rate module (2), and is connected through inductance with electric vehicle power sources anode, the biography
The VCC and GND pin of the chip of sensor connect the corresponding pin in the angle changing rate module (2) respectively.
3. a kind of intelligent auto-power-off device based on electric vehicle sideways as described in claim 1, which is characterized in that institute
Stating angle changing rate module (2) is single-chip microcontroller, and the model STM32F10X of the single-chip microcontroller is serial, the chip of the single-chip microcontroller
PC12 and PC11 pin is connect respectively with the control line of the sensor of the angle detection module (1) and data wire pin to receive
The chip of angle signal to be measured, the single-chip microcontroller is equipped with A/D analog-digital converter, and the angle signal received is converted to binary system
Code, the PC13 and GND pin of the chip of the single-chip microcontroller are connect with the reseting module and the power-off warning module 4,
Electric vehicle power sources provide 3.3V power supply for the single-chip microcontroller.
4. a kind of intelligent auto-power-off device based on electric vehicle sideways as described in claim 1, which is characterized in that institute
Stating power-off warning module (4) includes: buzzer and relay, the single-chip microcontroller of the buzzer and the angle changing rate module (2)
Chip the connection of PB8 pin, VCC, GND of the chip of the single-chip microcontroller of the relay and the angle changing rate module (2) and
The connection of PC13 pin is to receive the instruction that the chip of the single-chip microcontroller of the angle changing rate module (2) issues；The relay selection
For normally off.
5. a kind of intelligent auto-power-off device based on electric vehicle sideways as described in claim 1, which is characterized in that institute
Digital display module (3) is stated to be made of the display screen on the development board for the single-chip microcontroller for being integrated in the angle changing rate module (2), it should
Display screen shows the angle-data of X, Y, Z axis in the case where pin connects, and by color change carry out electric vehicle topple over and
No display.
6. a kind of intelligent auto-power-off device based on electric vehicle sideways as described in claim 1, which is characterized in that institute
Stating reseting module (5) is DS-428 reset switch, and two pins of the DS-428 reset switch connect respectively warns in the power-off
Show the normally closed pin and common pin of the relay of module (4), and is connected with the positive and negative anodes of electric car handle governor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239924.1A CN109243911A (en) | 2018-10-23 | 2018-10-23 | A kind of intelligent auto-power-off device based on electric vehicle sideways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239924.1A CN109243911A (en) | 2018-10-23 | 2018-10-23 | A kind of intelligent auto-power-off device based on electric vehicle sideways |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109243911A true CN109243911A (en) | 2019-01-18 |
Family
ID=65081499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811239924.1A Pending CN109243911A (en) | 2018-10-23 | 2018-10-23 | A kind of intelligent auto-power-off device based on electric vehicle sideways |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243911A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229644A (en) * | 2020-09-14 | 2021-01-15 | 武汉博格纳科技有限公司 | Dummy toppling protection system for vehicle test and control method |
| CN114834572A (en) * | 2022-05-06 | 2022-08-02 | 永祺（中国）车业股份有限公司 | Intelligent Bluetooth ECU safety control equipment and control method for electric two-wheeled vehicle |
-
2018
- 2018-10-23 CN CN201811239924.1A patent/CN109243911A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229644A (en) * | 2020-09-14 | 2021-01-15 | 武汉博格纳科技有限公司 | Dummy toppling protection system for vehicle test and control method |
| CN114834572A (en) * | 2022-05-06 | 2022-08-02 | 永祺（中国）车业股份有限公司 | Intelligent Bluetooth ECU safety control equipment and control method for electric two-wheeled vehicle |
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Application publication date: 20190118 |