CN208842574U - A kind of electronic automobile-used intelligent reducer - Google Patents
A kind of electronic automobile-used intelligent reducer Download PDFInfo
- Publication number
- CN208842574U CN208842574U CN201821688294.1U CN201821688294U CN208842574U CN 208842574 U CN208842574 U CN 208842574U CN 201821688294 U CN201821688294 U CN 201821688294U CN 208842574 U CN208842574 U CN 208842574U
- Authority
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- China
- Prior art keywords
- chip microcontroller
- pin
- module
- data selector
- chip
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
Abstract
The utility model discloses a kind of electronic automobile-used intelligent reducers, including for self-stopping single-chip microcontroller, GPS navigation module, data selector, voice module, power module and for the controller of hand-operated brake, GPS navigation module, for acquiring the running speed of information of road surface and electric vehicle, and it will test information and pass to single-chip microcontroller；Voice module, the control command for receiving single-chip microcontroller carry out voice broadcast；The PWM output end of single-chip microcontroller and the PWM output end of controller are connect with the input terminal of data selector respectively, and the port I/O of single-chip microcontroller and the address end of data selector connect, the driving end connection of the brushless retarder of the output end and electric vehicle of data selector.Intelligence is slowed down and manually slowed down by the utility model to be combined, and intelligent operation is allowed to more safely and effectively, can largely reduce traffic accident, ensures the safety for the people that rides, overcome the drawbacks of not observed traffic rules and regulations due to human factor.
Description
Technical field
The utility model belongs to vehicle deceleration technical field, and in particular to a kind of electronic automobile-used intelligent reducer.
Background technique
Electric bicycle is deep by old due to its low-carbon, economy, energy conservation and convenient the features such as a kind of people's livelihood vehicles
The common people like.Electric vehicle has become the highest vehicles of popularity rate in China at present, and national electric bicycle quantity is more than 2
Hundred million.But electric bicycle traffic traveling in there is also very big safety problems, although basic reason is driver
Traffic safety consciousness is thin, and when passing through intersection, obviously knowing slow down or stop to wait, but always leave things to chance and
It does not observe traffic rules and regulations, as a result a momentary slip with serious consequences of moment has just led to tragedy.Electric vehicle market is made a general survey of, there is presently no being capable of root
The electric motor intelligent retarder of automatic retarding is carried out according to different speeds.
Utility model content
For above-mentioned deficiency described in the prior, the utility model provides a kind of electronic automobile-used intelligent reducer, will
The deceleration device of electric vehicle realizes intelligent operation, is allowed to more safely and effectively, largely reduce traffic accident, ensure
It rides the safety of people.
In order to solve the above technical problems, technical solution used by the utility model is as follows:
A kind of electronic automobile-used intelligent reducer, including for self-stopping single-chip microcontroller, GPS navigation module, data selection
Device, voice module, power module and the controller for hand-operated brake, the GPS navigation module, for acquire information of road surface and
The running speed of electric vehicle, and will test information and pass to single-chip microcontroller；The voice module, the control for receiving single-chip microcontroller are ordered
It enables and carries out voice broadcast；The PWM output end of single-chip microcontroller and the PWM output end of controller connect with the input terminal of data selector respectively
Connect, and the port I/O of single-chip microcontroller and the address end of data selector connect, the output end of data selector and electric vehicle it is brushless
The driving end of retarder connects；The power module has two-way voltage output, exports for 5V power to single-chip microcontroller all the way, and one
Road is that 3.3V powers to GPS navigation module.
The GPS navigation module uses G591 GPS module, and single-chip microcontroller is stc12c5608ad single-chip microcontroller, and voice module is
ISD1760 speech chip；The model 74HCT257 of data selector.
Communication is realized in the PORT COM RXD pin connection of the PORT COM TXD pin and single-chip microcontroller of GPS navigation module, single
The address end S connection of the I/O interface P2.2 pin and data selector of piece machine, for controlling ways of deceleration；Single-chip microcontroller
An input terminal for exporting PWM port P3.7 pin and data selector connects, and the output PWM port and data of controller select
Another input terminal of device connects；The enable end OE of data selector is grounded, the output end of data selector and brushless retarder
Driving end connection；One I/O interface P2.1 pin of single-chip microcontroller and the PLAY pin of voice module are connected for driving voice
The I/O interface P1.3 pin connection of module, the SS pin of voice module and single-chip microcontroller, one of SCLK pin and single-chip microcontroller
The connection of an I/O interface P1.1 pin, MOSO pin and the monolithic of the connection of I/O interface P1.2 pin, MOSI pin and single-chip microcontroller
One I/O interface P1.0 pin of machine connects.
The single-chip microcontroller is provided with power on reset unit, and the power on reset unit includes electrolytic capacitor C1, electrolytic capacitor
The anode of C1 and the 5V output end of power module connect, and the cathode of electrolytic capacitor C1 and the reseting port RST pin of single-chip microcontroller connect
It connects, and the minus earth of electrolytic capacitor C1.
The power module, including 9V dry cell, voltage stabilizing chip LM7805 and voltage stabilizing chip LM1117,9V dry cell are through steady
It exports 5V voltage after pressure chip LM7805 pressure stabilizing to power to single-chip microcontroller, the voltage after voltage stabilizing chip LM7805 pressure stabilizing is again through pressure stabilizing core
3.3V voltage is exported after piece LM1117 pressure stabilizing to power to GPS navigation module.
The utility model is using GPS navigation module acquisition information of road surface and electric vehicle travel speed, when navigation module detects
When to electronic 20 meters of garage best friend cross road mouth, navigation module send current driving speed data to single-chip microcontroller, and single-chip microcontroller makes phase
It should judge, and control the speed of retarder deceleration by the PWM of single-chip microcontroller.If present speed is more than 40km/h, PWM waveform is accounted for
Sky slows down fast than being 20%；If present speed is more than 30 km/h and be lower than 40km/h, PWM duty cycle 30% slows down slightly slow；If fast
Degree is lower than 30 km/h more than 20 km/h, and PWM duty cycle 40% slows down slower.If speed is lower than 20 km/h, duty ratio is
50%.And the safety in order to preferably ensure the people that rides, when reducing speed now every time, all synchronous averaging voice module, prompting are ridden
People takes care.The utility model increases self-actuating brake mode on the basis of original hand-operated brake, reduces changing for electric vehicle
The amount of making, and in order to guarantee to slow down using the one way in which in aptitude manner or manual mode when slowing down,
The utility model specially uses the data selector 74HCT257 of alternative, avoids the occurrence of confusion, and in order to not influence normal
Manual deceleration, manually slow down when can by the address end level of data selector force draw high.The utility model is at low cost, spirit
It is active strong, convenient for being promoted in electric bicycle market.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model control principle drawing.
Fig. 2 is the circuit diagram of the utility model single-chip microcontroller.
Fig. 3 is the circuit diagram of the utility model data selector.
Fig. 4 is the circuit diagram of the utility model voice module.
Fig. 5 is the circuit diagram of the utility model power module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of electronic automobile-used intelligent reducer, as shown in Figure 1, including being used for self-stopping single-chip microcontroller, GPS navigation mould
Block, data selector, voice module, power module and the controller for hand-operated brake, the GPS navigation module use
G591 GPS module for acquiring the running speed of information of road surface and electric vehicle, and will test information and pass to single-chip microcontroller, described
For stc12c5608ad single-chip microcontroller.
The voice module, using ISD1760 speech chip, the control command for receiving single-chip microcontroller carries out voice and broadcasts
Report.The PWM output end of single-chip microcontroller and the PWM output end of controller are connect with the input terminal of data selector respectively, data selection
The model 74HCT257 of device, and the port I/O of single-chip microcontroller and the address end of data selector connect, the output of data selector
End is connect with the driving end of the brushless retarder of electric vehicle.
The power module has two-way voltage output, exports for 5V give single-chip microcontroller power supply all the way, be 3.3V all the way to
GPS navigation module power supply.Power module is as shown in figure 5, include 9V dry cell, voltage stabilizing chip LM7805 and voltage stabilizing chip
LM1117,9V dry cell export 5V voltage after voltage stabilizing chip LM7805 pressure stabilizing and power to single-chip microcontroller, and voltage stabilizing chip LM7805 is steady
Voltage after pressure exports 3.3V voltage after voltage stabilizing chip LM1117 pressure stabilizing again and powers to GPS navigation module.
As Figure 2-3, the PORT COM RXD pin connection of the PORT COM TXD pin and single-chip microcontroller of GPS navigation module
Realize communication, the address end S connection of the I/O interface P2.2 pin and data selector of single-chip microcontroller, for controlling deceleration side
Formula；The output PWM port P3.7 pin of single-chip microcontroller and an input terminal of data selector connect, the end output PWM of controller
Mouth is connect with another input terminal of data selector；The enable end OE of data selector is grounded, the output end of data selector
It is connect with the driving end of brushless retarder.
As shown in figure 4, an I/O interface P2.1 pin of single-chip microcontroller and the PLAY pin of voice module are connected for driving
The I/O interface P1.3 pin connection of voice module, the SS pin of voice module and single-chip microcontroller, SCLK pin and single-chip microcontroller
The I/O interface P1.1 pin connection of the connection of one I/O interface P1.2 pin, MOSI pin and single-chip microcontroller, MOSO pin with
One I/O interface P1.0 pin of single-chip microcontroller connects.
And single-chip microcontroller is provided with power on reset unit, and the power on reset unit includes electrolytic capacitor C1, electrolytic capacitor
The anode of C1 and the 5V output end of power module connect, and the cathode of electrolytic capacitor C1 and the reseting port RST pin of single-chip microcontroller connect
It connects, and the minus earth of electrolytic capacitor C1.
It is illustrated below for theory of the attached drawing to the utility model
Fig. 2 is the minimum system of stc12c5608ad single-chip microcontroller and the reset circuit that the utility model uses.This is practical new
For the reset circuit of SCM of type using electrification reset mode, traditional electrification reset circuit is an electrolytic capacitor series connection one
The occurrence of a resistance, capacitor and resistance is configured depending on different systems.The utility model will according to the requirement of running clock
Electrification reset circuit is reduced to the electrolytic capacitor of a 10uF.The running clock of single-chip microcontroller using stc12c5608ad inside
The running clock of integrated 8MHz.
GPS navigation module is responsible for acquiring the data of intersection information and running speed, part master in the utility model
G591 GPS module is used, serial communication interface is reserved with, and is Transistor-Transistor Logic level, the serial communication interface with single-chip microcontroller
Data can be transmitted by being connected.The TXD of G591 GPS module is connected to the RXD pin of single-chip microcontroller by the utility model, that is, is connected to
10 pins of stc12c5608ad single-chip microcontroller.
Electric vehicle retarding braking generallys use the mode of PWM driving brushless motor, and PWM waveform duty ratio is different, effect of slowing down
Fruit is not also identical, and duty ratio is smaller, slows down faster.It can only be using in aptitude manner or manual mode when in order to guarantee to slow down
One way in which slow down, the utility model use alternative data selector 74HCT257, as shown in Figure 3.In Fig. 3
In, using the PWM of conventional controller output and the pwm signal of single-chip microcontroller output as two inputs of alternative data selector
End, with the address end of I/O mouthfuls of control selections devices for single-chip microcontroller, when address end is " 1 ", selection electric bicycle is common
The PWM of controller output is as output, and when address end is " 0 ", the PWM waveform of selection single-chip microcontroller stc12c5608ad output is made
For output.Slow down manually in order to not influence normal, address end level can be forced to draw high when slowing down manually.
The enable end of 74HCT257 is grounded by the utility model, ensure that 74HCT257 can be worked normally, and is utilized
The address end of 23 pins of stc12c5608ad single-chip microcontroller, that is, P2.2I/O mouthfuls of control 74HCT257, by two numbers of 74HCT257
Meet the 17 pins i.e. P3.7 and electronic common controller output pwm signal of single-chip microcontroller stc12c5608ad respectively according to input terminal
Port, the driving end of the output termination brushless motor of 74HCT257.
In order to ensure the safety for the people that rides, the utility model is provided with voice prompting function.In the process of moving, work as deceleration
When device reduces speed now, playback is carried out by stc12c5608ad single-chip microcontroller control voice module, the people that rides is reminded to start intelligent deceleration,
Please note that safety.The voice module of the utility model uses ISD1760 speech chip, and connection circuit is as shown in Figure 4.This is practical
It is novel to use level playback mode, PLAY key is controlled with one I/O mouthfuls of stc12c5608ad single-chip microcontroller, makes/PLAY pin
Level is continuously low, and ISD1760 can play back voice messagings all in it, and general/PLAY pin level is drawn after finishing
It is high.In Fig. 4, SS, SCLK, MOSI, MOSO of ISD1760 connects 4 I/O mouthfuls of single-chip microcontroller respectively, and the utility model connects respectively
P1.3, P1.2, P1.1, P1.0, the PLAY of the P2.0I/O mouth driving ISD1760 of single-chip microcontroller, built-in recorded message is " to start
Slow down, it is noted that safety ".
The design of power module is as shown in Figure 5.The supply voltage of single-chip microcontroller is 5V, and the supply voltage of GPS module is 3.3V,
The utility model is to facilitate installation, its volume requirement exquisiteness is small and exquisite, so power unit uses two output ends of a circuit,
Output voltage is respectively 5V and 3.3V, respectively single-chip microcontroller and GPS module power supply.In Fig. 5, voltage value is the dry cell of 9V
Output voltage Uo1 is 5V after LM7805 pressure stabilizing, can be powered directly to single-chip microcontroller.After from LM7805 pressure stabilizing to 5V again
It powers after AMS1117 pressure stabilizing to 3.3V directly to GPS module.Whether light emitting diode in Fig. 5 can indicate circuit
It works normally.
Described above is only the preferred embodiment of the utility model, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of electronic automobile-used intelligent reducer, it is characterised in that: including for self-stopping single-chip microcontroller, GPS navigation module,
Data selector, voice module, power module and the controller for hand-operated brake, the GPS navigation module, for acquiring road
The running speed of face information and electric vehicle, and will test information and pass to single-chip microcontroller；The voice module, for receiving single-chip microcontroller
Control command carry out voice broadcast；The PWM output end of the PWM output end of single-chip microcontroller and controller respectively with data selector
Input terminal connection, and the port I/O of single-chip microcontroller and the address end of data selector connect, the output end of data selector with it is electronic
The driving end of the brushless retarder of vehicle connects；The power module has two-way voltage output, exports all the way for 5V to single-chip microcontroller
Power supply is that 3.3V powers to GPS navigation module all the way.
2. electronic automobile-used intelligent reducer according to claim 1, it is characterised in that: the GPS navigation module uses
G591 GPS module, single-chip microcontroller are stc12c5608ad single-chip microcontroller, and voice module is ISD1760 speech chip；Data selector
Model 74HCT257.
3. electronic automobile-used intelligent reducer according to claim 2, it is characterised in that: the PORT COM of GPS navigation module
Communication, the I/O interface P2.2 pin and number of single-chip microcontroller are realized in the connection of the PORT COM RXD pin of TXD pin and single-chip microcontroller
According to the address end S connection of selector, for controlling ways of deceleration；The output PWM port P3.7 pin and data of single-chip microcontroller select
One input terminal of device connects, and the output PWM port of controller and another input terminal of data selector connect；Data selection
The enable end OE of device is grounded, and the output end of data selector is connect with the driving end of brushless retarder；One I/O of single-chip microcontroller connects
The connection of the PLAY pin of mouthful P2.1 pin and voice module for driving voice module, the SS pin of voice module and single-chip microcontroller
The I/O interface P1.2 pin connection of the connection of one I/O interface P1.3 pin, SCLK pin and single-chip microcontroller, MOSI pin with
The I/O interface P1.1 pin connection of single-chip microcontroller, an I/O interface P1.0 pin of MOSO pin and single-chip microcontroller connect.
4. electronic automobile-used intelligent reducer according to claim 3, it is characterised in that: the single-chip microcontroller, which is provided with, replies by cable
Bit location, the power on reset unit include electrolytic capacitor C1, and the anode of electrolytic capacitor C1 and the 5V output end of power module connect
It connects, the cathode of electrolytic capacitor C1 and the reseting port RST pin of single-chip microcontroller connect, and the minus earth of electrolytic capacitor C1.
5. electronic automobile-used intelligent reducer according to claim 1 or 3, it is characterised in that: the power module, including
9V dry cell, voltage stabilizing chip LM7805 and voltage stabilizing chip LM1117,9V dry cell export 5V after voltage stabilizing chip LM7805 pressure stabilizing
Voltage is powered to single-chip microcontroller, and the voltage after voltage stabilizing chip LM7805 pressure stabilizing exports 3.3V electricity after voltage stabilizing chip LM1117 pressure stabilizing again
It presses and powers to GPS navigation module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282924.3A CN108583422A (en) | 2018-04-02 | 2018-04-02 | A kind of electronic automobile-used intelligent reducer |
| CN2018102829243 | 2018-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208842574U true CN208842574U (en) | 2019-05-10 |
Family
ID=63624125
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282924.3A Withdrawn CN108583422A (en) | 2018-04-02 | 2018-04-02 | A kind of electronic automobile-used intelligent reducer |
| CN201821688294.1U Expired - Fee Related CN208842574U (en) | 2018-04-02 | 2018-10-18 | A kind of electronic automobile-used intelligent reducer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282924.3A Withdrawn CN108583422A (en) | 2018-04-02 | 2018-04-02 | A kind of electronic automobile-used intelligent reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108583422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641607A (en) * | 2019-10-08 | 2020-01-03 | 深圳市乐骑智能科技有限公司 | Scooter auxiliary system and electric scooter travel based on position detection data |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109850057A (en) * | 2019-04-11 | 2019-06-07 | 武汉小安科技有限公司 | Shared electric vehicle control protection electric circuit and terminal device |
-
2018
- 2018-04-02 CN CN201810282924.3A patent/CN108583422A/en not_active Withdrawn
- 2018-10-18 CN CN201821688294.1U patent/CN208842574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641607A (en) * | 2019-10-08 | 2020-01-03 | 深圳市乐骑智能科技有限公司 | Scooter auxiliary system and electric scooter travel based on position detection data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108583422A (en) | 2018-09-28 |
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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 |
Granted publication date: 20190510 Termination date: 20201018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |