CN105711417B - A kind of electric car speed limiting system distinguished based on track - Google Patents
A kind of electric car speed limiting system distinguished based on track Download PDFInfo
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- CN105711417B CN105711417B CN201610052620.9A CN201610052620A CN105711417B CN 105711417 B CN105711417 B CN 105711417B CN 201610052620 A CN201610052620 A CN 201610052620A CN 105711417 B CN105711417 B CN 105711417B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K2031/0091—Speed limiters or speed cutters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of electric car speed limiting system distinguished based on track, including locating module position electric car current driving location and generate location data；Track discrimination module hunts out corresponding location point on built-in electronic map according to location data and is marked, position discrimination is shown in electronic map according to the location point of mark and goes out its residing track, track exports corresponding electronic signal according to residing for the location point identified；Current limliting module includes switch controller, at least a metal-oxide half field effect transistor, electromobile battery and first resistor, second resistance is provided with metal-oxide half field effect transistor, the keying that the electronic signal control metal-oxide half field effect transistor that switch controller is exported according to track discrimination module switchs, metal-oxide half field effect transistor are parallel on electromobile battery to be shunted to its output current by second resistance with first resistor；Speed control module receives the electric current from first resistor outflow to control electric car speed.
Description
Technical field
The present invention relates to traffic safety technical field, more particularly to a kind of electric car speed limit distinguished based on track
System.
Background technology
In city road planning, according to the corresponding car lane of the different demarcation of vehicle class and non-motorized lane, one
As using greenbelt or white realize two kinds of tracks are distinguished so that support vehicles are taken their own roads.But in real life
In, it should much travel the electric vehicle on non-motorized lane and but change its course traveling without authorization on car lane, so as to influence machine
The normally travel of motor-car, or even often there is the traffic accident that automobile collides with electric car on car lane, study carefully it
Reason, caused by not travelled according to the rules on non-motorized lane depending on electric car greatly.
Therefore, the present inventor feels the necessity that the above problem has it to improve very much, is engaged in association area for many years then with it
Design and professional manufacturing experience, energetically carry out research for a kind of electric car speed limiting system distinguished based on track and change
It is good, the present invention is developed finally under the scrupulous consideration of each side's condition.
The content of the invention
For the above situation, the shortcomings that in order to overcome the prior art, distinguished an embodiment of the present invention provides one kind based on track
Other electric car speed limiting system, can effectively contain that electric car travels on car lane, drive it according to the rules non-maneuver
Travelled on track.
The embodiment of the present invention adopts the following technical scheme that：
A kind of electric car speed limiting system distinguished based on track, including：Locating module, for electric car current driving position
Put and positioned and generated location data；Track discrimination module, for according to the location data in built-in electronic map
Hunt out corresponding location point and be marked, position is shown in the electronic map according to the location point of mark
Its residing track is identified, corresponding electronic signal is exported according to track residing for the location point identified, wherein, the car
Road includes car lane and non-motorized lane, and the segmentation for having car lane and non-motorized lane is at least drawn on the electronic map
Line；Current limliting module, including switch controller, at least a metal-oxide half field effect transistor, electromobile battery and first resistor, institute
State and second resistance be provided with metal-oxide half field effect transistor, the switch controller respectively with the track discrimination module and gold
Oxygen half field effect transistor connects, and the electronic signal for being exported according to the track discrimination module controls the OH brilliant
The keying of body pipe switch, the metal-oxide half field effect transistor are parallel to the electricity by the second resistance and the first resistor
To be shunted to its output current on motor-car storage battery, wherein, the resistance value of the second resistance is depended primarily upon for limiting
The speed limit percentage of electronic vehicle speed is made, the resistance value calculation formula of the second resistance is as follows：；
After shunting, the current value calculation formula for separately flowing into the first resistor and second resistance is as follows successively：
；
；
Speed control module, is connected with the first resistor, for receiving the electric current from first resistor outflow to control
Electric car speed processed；The track discrimination module is additionally operable to the rectangle region for surrounding the zebra stripes that crossroad four direction arranges
Domain is set as special area, will be preset when identifying the location point and being in the car lane of the special area according to one
The location data in period generates a wheelpath, when judging the radian of the wheelpath higher than the threshold value set
The electronic signal is not exported.
As a kind of preferred embodiment of the present invention, the metal-oxide half field effect transistor is arranged to two, is respectively first and second
Metal-oxide half field effect transistor, is both provided with the second resistance on each metal-oxide half field effect transistor, the current limliting module is used for
The electronic signal exported according to the track discrimination module controls opening for the first and second metal-oxide half field effect transistor switch respectively
Close, first and second metal-oxide half field effect transistor is parallel to the first resistor respectively by the respective second resistance
To be shunted to its output current on the electromobile battery.
As a kind of preferred embodiment of the present invention, the track discrimination module is additionally operable to identifying the location point in institute
State to show in electronic map and the location point is calculated when position is on car lane to car lane and non-motorized lane
The distance between cut-off rule, according to residing for the distance calculated determines it apart from section, wherein, it is described apart from section be two
It is a, it is respectively first and second apart from section, described first apart from section is 0<Ju Li≤a（Rice）, the second distance section is a<
Ju Li≤b（Rice）, when the definite distance belongs to described first apart from section, output is used to control institute the track discrimination module
The electronic signal that the first metal-oxide half field effect transistor switch enables is stated, when the definite distance belongs to the second distance section,
Output is used for the electronic signal for controlling the second metal-oxide half field effect transistor switch to enable.
As a kind of preferred embodiment of the present invention, the speed limit percentage is respectively first and second speed limit percentage, and described
First speed limit percentage is more than the second speed limit percentage, and the first speed limit percentage is used to calculate the first gold medal oxygen half
Substituted into during the resistance value of the second resistance set on field-effect transistor, the second speed limit percentage is used to calculate described the
Substituted into during the resistance value of the second resistance set on two metal-oxide half field effect transistors.
The beneficial effect that technical solution provided in an embodiment of the present invention is brought is：（1）Speed limiting system is judging electric car
On non-motorized lane when driving, speed limit is not carried out to it, electric car can normally travel；Judging electric car in car lane
On when driving, speed limit is carried out to it so that the electric car after speed limit slow so as to can not on car lane normally travel,
Drive user that electric car is sailed out of car lane and entered on non-motorized lane as early as possible to travel.（2）Speed limiting system is judging electricity
Motor-car on car lane when driving, it is remote according to the distance between cut-off rule of traveling-position to car lane and non-motorized lane
Nearly corresponding control speed limit, apart from track, cut-off rule is more remote, and the speed after limitation is smaller, so as to drive electric car to track cut-off rule
Direction running.（3）Speed limiting system judge electric car at the parting of the ways intermediate region car lane when driving, can determine whether electricity
Motor-car is in turn condition so as to not carry out speed limit to it.
Brief description of the drawings
Above-mentioned and other purposes, feature, advantage in order to allow the present invention can become apparent, and hereafter embodiment will be described
Needed in attached drawing make one simply introduce, it should be apparent that, drawings in the following description be only the present invention one
A little embodiments, for those of ordinary skill in the art, do not pay create it is laborious on the premise of, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural representation for electric car speed limiting system distinguished based on track that the embodiment of the present invention one provides
Figure；
Fig. 2 is that a kind of electronic map road that the embodiment of the present invention one provides plans schematic diagram；
Fig. 3 is a kind of structural representation of electric car speed limiting system distinguished based on track provided by Embodiment 2 of the present invention
Figure；
Fig. 4 is a kind of electronic map road planning application schematic diagram provided by Embodiment 2 of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
His embodiment, belongs to protection scope of the present invention.
Embodiment one
Fig. 2 is please referred to Fig.1, Fig. 1 is a kind of electric car speed limit system distinguished based on track that the embodiment of the present invention one provides
The structure diagram of system, Fig. 2 are that a kind of electronic map road that the embodiment of the present invention one provides plans schematic diagram.Specifically, this
Embodiment provides a kind of electric car speed limiting system distinguished based on track, including：Locating module 101, for current to electric car
Traveling-position is positioned and generates location data；Track discrimination module 102, for according to the location data in built-in electricity
Corresponding location point is hunted out on sub- map and is marked, according to the location point of mark in the electronic map
Show position discrimination and go out its residing track, corresponding electronic signal is exported according to track residing for the location point identified, its
In, the track includes car lane and non-motorized lane, at least drawn on the electronic map have car lane with it is non-maneuver
The cut-off rule in track；Current limliting module 103, including switch controller 104, at least a metal-oxide half field effect transistor 105, electric car store
Battery 106 and first resistor 107, second resistance 108, the switch control are provided with the metal-oxide half field effect transistor 105
Device 104 processed is connected with the track discrimination module 102 and metal-oxide half field effect transistor 105 respectively, for according to the track
The electronic signal that discrimination module 102 exports controls the keying that the metal-oxide half field effect transistor 105 switchs, the OH
Transistor 105 is parallel on the electromobile battery 106 with right by the second resistance 108 and the first resistor 107
Its output current is shunted, wherein, the resistance value of the second resistance 108 is depended primarily upon for limiting electronic vehicle speed
Speed limit percentage, the resistance value calculation formula of the second resistance 108 are as follows：；By
After shunting, the current value calculation formula for separately flowing into the first resistor 107 and second resistance 108 is as follows successively：
；
；
Speed control module 109, is connected with the first resistor 107, for receiving from the first resistor 107 outflow
Electric current is to control electric car speed.
During concrete application, the locating module 101, track discrimination module 102, current limliting mould included by the speed limiting system
Block 103 and speed control module 109 may be contained within electric car.
During system operation, electric car current driving location is positioned and generated by the locating module 101 first
Location data, then gives the track discrimination module 102 by location data transmission, described with reference to shown in Fig. 2 for example
Track discrimination module 102 hunts out corresponding location point as d1 institutes according to the location data on built-in electronic map
Locate position, d1 is marked；It for the corresponding location point of the location data is d2 present positions to search, by d2 into rower
Note.It is set in d1 in electronic map to be in non-motorized lane, d2 is in car lane, then the track discrimination module 102
Position discrimination will be shown in the electronic map according to the location point d1 of mark and go out it and be in non-motorized lane, according to
The location point d2 of mark, which shows position discrimination in the electronic map and goes out it, be in car lane, output electronic signal
When, non-motorized lane output electronic signal 1 corresponding thereto is according to the location point d1 identified, according to identifying
The location point d2 be in car lane output electronic signal 2 corresponding thereto.
The operation principle and the course of work of wherein described current limliting module 103 are as follows：Connect by the switch controller 104
Receive the electronic signal that the track discrimination module 102 is transmitted and opening for the switch of metal-oxide half field effect transistor 105 is controlled with this
Close, the location point is identified according to specific switch control mode and is in corresponding electronic signal control in non-motorized lane
The switch of metal-oxide half field effect transistor 105 is closed（Disconnect）, it is in car lane corresponding according to the location point is identified
Electronic signal control the metal-oxide half field effect transistor 105 switch to enable（Closure/circuit turn-on）, illustrated with above-mentioned example,
Control the switch of metal-oxide half field effect transistor 105 to close according to electronic signal 1, the golden oxygen is controlled according to electronic signal 2
The switch of half field effect transistor 105 enables.When the switch of metal-oxide half field effect transistor 105 is closed, the electromobile battery 106
The electric current of output is directly over the first resistor 107 and exports to the speed control module 109, electric car speed and will not be subject to
It is third-party restriction and change, i.e. electric car speed in Non-motorized vehicle lane running is unaffected；The OH
When the switch of transistor 105 enables, the first resistor 107 is in parallel with second resistance 108, and the electromobile battery 106 is defeated
The electric current gone out is shunted to be exported to the electric current of the speed control module 109 with restricting by the first resistor 107, electronic
Car speed is subject to third-party restriction and changes, i.e., speed is impacted when driving in car lane for electric car.
Wherein, the resistance value of the first resistor 107 and speed limit percentage can be configured and change, in the present embodiment
In, the resistance value of the first resistor 107R1 is set as 0.1, and the speed limit percentage is set as 10%,I StoreRefer to the electricity
The electric current that motor-car storage battery 106 exports, takes maximum fast electric current, i.e. speed highest in the present embodiment（Throttle is maximum）When export
Electric current, in practical applications, due to the difference of electric car power, the maximum current value of storage battery output is also different, herein by it
What is be not limited is set as 10A.
Its numerical values recited can be calculated with reference to the resistance value calculation formula of the second resistance 108, i.e.,
=；
It can be calculated respectively with reference to the current value calculation formula for separately flowing into the first resistor 107 and second resistance 108
Go out its numerical values recited, i.e.,
；
；
By the first resistor 107 and second resistance 108 to the 10A electric currents that the electromobile battery 106 exports into
After row shunting, the electric current flowed into by the second resistance 108 on the metal-oxide half field effect transistor 105 is 9.1A, by institute
It is 0.9A to state first resistor 107 and flow into the electric current of the speed control module 109, and the speed control module 109 is received from institute
The 0.9A electric currents of the outflow of first resistor 107 are stated to control electric car speed.That is, electric car speed be not subject to shadow originally
In the case of sound, vehicle speed value is to flow into the corresponding size of 10A electric currents, and under the influence of being shunted, vehicle speed value is to flow into 0.9A
The corresponding size of electric current, it is assumed that the corresponding electric car speed of maximum speed 10A electric currents is 40km/h, then 0.9A electric currents pair after shunting
The electric car speed answered is 3.6km/h, and under this speed, electric car lies substantially in semistagnation, i.e. speed limiting system is being sentenced
Break and electric car on non-motorized lane when driving, speed limit is not carried out to it, electric car can normally travel；Judging electric car
On car lane when driving, speed limit is carried out to it, the actual maximal rate after speed limit is the 9% of script the max speed, electric car
Normally travel, user it need to can not as early as possible sail out of car lane on car lane and enter on non-motorized lane and travel.
In the present embodiment, the track discrimination module 102 is additionally operable to the zebra stripes for arranging crossroad four direction
The rectangular area surrounded is set as special area, will when identifying the location point and being in the car lane of the special area
One wheelpath is generated according to the location data in a preset time period, is higher than in the radian for judging the wheelpath
The electronic signal is not exported during the threshold value of setting.In practical application, turn left when user travels electric car by crossroad
When, inherently by car lane, in the case if shunt influence speed is carried out to it can so that do not meet actual demand,
The spot for being arranged crossroad four direction by the track discrimination module 102 in view of the particularity of the situation, the present invention
The rectangular area that horse line surrounds is set as special area, region T as shown in Figure 2, when the track discrimination module 102 identifies
When the location point is in the car lane of region T, by according to the location data in a preset time period got
Generate a wheelpath, the preset time period can be configured, such as 5 seconds, i.e., according to electric car region T car lane
The interior location data of first 5 seconds generates a wheelpath, if it is judged that when the radian of the wheelpath is higher than the threshold value set,
Then represent electric car and be in turn condition, then do not export corresponding electronic signal when the location point is in car lane, it is electronic
Car can be with normal speed by region T car lane.Wherein, the radian threshold value of setting can be configured according to actual test,
Herein without limiting.
Embodiment two
Fig. 4 is please referred to Fig.3, Fig. 3 is a kind of electric car speed limit system distinguished based on track provided by Embodiment 2 of the present invention
The structure diagram of system, Fig. 4 are a kind of electronic map road planning application schematic diagram provided by Embodiment 2 of the present invention.Specifically
, the present embodiment and embodiment one are substantially consistent, and difference part is, in the present embodiment, the metal-oxide half field effect transistor
It is arranged to two, is respectively first and second metal-oxide half field effect transistor 110,111, is set on each metal-oxide half field effect transistor
There is the second resistance 108, the current limliting module 103 is used for the electronic signal point exported according to the track discrimination module 102
The keying for not controlling first and second metal-oxide half field effect transistor 110,111 to switch, the first and second OH crystal
Pipe 110,111 is parallel to the electromobile battery with the first resistor 107 respectively by the respective second resistance 108
To be shunted to its output current on 106.The track discrimination module 102 is additionally operable to identifying the location point described
Show in electronic map and the location point is calculated when position is on car lane to car lane and point of non-motorized lane
The distance between secant, according to residing for the distance calculated determines it apart from section, wherein, it is described apart from section be two,
Respectively first and second is apart from section apart from section, described first, and the second distance section is a<Ju Li≤b（Rice）, it is described
When the definite distance belongs to described first apart from section, output is used to control the first gold medal oxygen half track discrimination module 102
Field-effect transistor 110 switchs the electronic signal enabled, and when the definite distance belongs to the second distance section, output is used to control
Make second metal-oxide half field effect transistor 111 and switch the electronic signal enabled.The speed limit percentage is respectively first and second limit
Fast percentage, and the first speed limit percentage is more than the second speed limit percentage, the first speed limit percentage is based on
Substituted into during the resistance value for calculating the second resistance 108 set on first metal-oxide half field effect transistor 110, second limit
When fast percentage is used to calculate the resistance value of the second resistance 108 set on second metal-oxide half field effect transistor 111
Substitute into.
In the present embodiment, what is do not limited is set as 0 by described first apart from section<Ju Li≤1（Rice）, by described second
It is set as 0 apart from section<Ju Li≤2（Rice）, the first speed limit percentage is set as 20%, second percentage is set
It is set to 10%, above setting can be changed according to actual conditions, herein without narration.
With reference to shown in Fig. 4, during concrete application, the track discrimination module 102 will identify the location point d3 in institute
State to show in electronic map and calculate the location point d3 to car lane and non-motorized lane when position is on car lane
The distance between cut-off rule, according to residing for the distance calculated determines it apart from section.For example, the position that setup algorithm goes out
Point d3 is 0.5 meter to the distance between the cut-off rule of car lane and non-motorized lane, then can be determined according to the distance at its
In described first in section, the output of track discrimination module 102 is used to control first metal-oxide half field effect transistor
The electronic signal that 110 switches enable gives the switch controller 104, and the switch controller 104 is controlled according to the electronic signal
First metal-oxide half field effect transistor 110 switch enables, and described the on first metal-oxide half field effect transistor 110
Two resistance 108 are in parallel with first resistor 107, and the electric current that the electromobile battery 106 exports is shunted to restrict process
The first resistor 107 is exported to the electric current of the speed control module 109.With reference to the resistance value meter of the second resistance 108
Its numerical values recited can be calculated by calculating formula, i.e.,
=；
It can be calculated respectively with reference to the current value calculation formula for separately flowing into the first resistor 107 and second resistance 108
Go out its numerical values recited, i.e.,
；
；
It is right by the first resistor 107 and the second resistance 108 on first metal-oxide half field effect transistor 110
After the 10A electric currents that the electromobile battery 106 exports are shunted, first gold medal is flowed into by the second resistance 108
Electric current on oxygen half field effect transistor 110 is 8A, and the electricity of the speed control module 109 is flowed into by the first resistor 107
Stream is 2A, and the speed control module 109 receives the 2A electric currents from the first resistor 107 outflow to control electric car speed.
That is, electric car speed, in the case where not being affected originally, vehicle speed value is to flow into the corresponding size of 10A electric currents,
Under the influence of being shunted, vehicle speed value is to flow into the corresponding size of 2A electric currents, it is assumed that the corresponding electric bicycle of maximum speed 10A electric currents
Speed is 40km/h, then the corresponding electric car speed of 2A electric currents is 8km/h after shunting.
For example, the location point d3 that goes out of setup algorithm is to the distance between the cut-off rule of car lane and non-motorized lane
1.5 meters, then it can determine that it is in the second distance section according to the distance, the output of track discrimination module 102 is used
The switch controller 104 is given in the electronic signal for controlling the switch of the second metal-oxide half field effect transistor 111 to enable, it is described to open
Close controller 104 controls the switch of the second metal-oxide half field effect transistor 111 to enable according to the electronic signal, arranged on described second
The second resistance 108 on metal-oxide half field effect transistor 111 is in parallel with first resistor 107, by the electromobile battery 106
The electric current of output is shunted to be exported to the electric current of the speed control module 109 with restricting by the first resistor 107.
Its numerical values recited can be calculated with reference to the resistance value calculation formula of the second resistance 108, i.e.,
=；
It can be calculated respectively with reference to the current value calculation formula for separately flowing into the first resistor 107 and second resistance 108
Go out its numerical values recited, i.e.,
；
；
It is right by the first resistor 107 and the second resistance 108 on second metal-oxide half field effect transistor 111
After the 10A electric currents that the electromobile battery 106 exports are shunted, second gold medal is flowed into by the second resistance 108
Electric current on oxygen half field effect transistor 111 is 9.1A, and the speed control module 109 is flowed into by the first resistor 107
Electric current is 0.9A, and the speed control module 109 receives the 0.9A electric currents from the first resistor 107 outflow to control electric car
Speed.That is, electric car speed, in the case where not being affected originally, vehicle speed value is that inflow 10A electric currents are corresponding big
Small, under the influence of being shunted, vehicle speed value is to flow into the corresponding size of 0.9A electric currents, it is assumed that maximum speed 10A electric currents are corresponding
Electric car speed is 40km/h, then the corresponding electric car speed of 0.9A electric currents is 3.6km/h after shunting.
I.e. in the present embodiment, speed limiting system when driving, speed limit is carried out to it judging electric car on car lane,
Specific speed limit mode is to work as to judge the location of electric car point between car lane and the cut-off rule of non-motorized lane
Distance be in described first in section when, control speed limit after maximal rate be the 20% of script the max speed；Judge
The location of electric car point to the distance between the cut-off rule of car lane and non-motorized lane is in the second distance area
When interior, it is the 9% of script the max speed to control the actual maximal rate after speed limit, that is to say, that electric car is split apart from track
Linear distance is more remote, and the speed after limitation is smaller, so as to drive electric car to track cut-off rule direction running.
The achievable advantages below of the present invention：
By the present invention, it can be achieved that following beneficial effect：（1）Speed limiting system is judging electric car on non-motorized lane
When driving, speed limit is not carried out to it, electric car can normally travel；Judge electric car on car lane when driving, to it
Carry out speed limit so that the electric car after speed limit slow so as to can not on car lane normally travel, drive user as early as possible
Electric car is sailed out of car lane and entered on non-motorized lane and is travelled.（2）Speed limiting system is judging electric car in motor vehicle
On road when driving, limited according to traveling-position to car lane with the far and near corresponding control of the distance between the cut-off rule of non-motorized lane
Speed, apart from track, cut-off rule is more remote, and the speed after limitation is smaller, so as to drive electric car to track cut-off rule direction running.（3）
Speed limiting system judge electric car at the parting of the ways intermediate region car lane when driving, can determine whether electric car be in turn
State to it so that do not carry out speed limit.
Claims (4)
- A kind of 1. electric car speed limiting system distinguished based on track, it is characterised in that including：Locating module, for being positioned to electric car current driving location and generating location data；Track discrimination module, for hunting out corresponding location point on built-in electronic map according to the location data And be marked, showing position discrimination in the electronic map according to the location point of mark goes out its residing track, according to Track residing for the location point identified exports corresponding electronic signal, wherein, the track includes car lane and non-machine Motor-car road, the cut-off rule for having car lane and non-motorized lane is at least drawn on the electronic map；Current limliting module, including switch controller, at least a metal-oxide half field effect transistor, electromobile battery and first resistor, Be provided with second resistance on the metal-oxide half field effect transistor, the switch controller respectively with the track discrimination module and Metal-oxide half field effect transistor connects, and the electronic signal for being exported according to the track discrimination module controls the OH The keying of transistor switch, the metal-oxide half field effect transistor are parallel to described by the second resistance and the first resistor To be shunted to its output current on electromobile battery, wherein, the resistance value of the second resistance is depended primarily upon for limiting The speed limit percentage of electronic vehicle speed is made, the resistance value calculation formula of the second resistance is as follows：；After shunting, the current value calculation formula for separately flowing into the first resistor and second resistance is as follows successively：；；Speed control module, is connected with the first resistor, for receiving the electric current from first resistor outflow to control electricity Motor-car speed；The rectangular area that the track discrimination module is additionally operable to surround the zebra stripes that crossroad four direction arranges is set It is set to special area, will be according in a preset time when identifying the location point and being in the car lane of the special area The location data in section generates a wheelpath, not defeated when judging the radian of the wheelpath higher than the threshold value set Go out the electronic signal.
- A kind of 2. electric car speed limiting system distinguished based on track as claimed in claim 1, it is characterised in that the gold oxygen half Field-effect transistor is arranged to two, is respectively first and second metal-oxide half field effect transistor, is set on each metal-oxide half field effect transistor The second resistance is equipped with, the current limliting module is used to control institute respectively according to the electronic signal that the track discrimination module exports The keying of first and second metal-oxide half field effect transistor switch is stated, first and second metal-oxide half field effect transistor passes through respective described Second resistance is parallel on the electromobile battery with the first resistor to be shunted to its output current respectively.
- 3. a kind of electric car speed limiting system distinguished based on track as claimed in claim 2, it is characterised in that distinguish in the track Other module is additionally operable to calculate identifying the location point and in the electronic map show when position is on car lane The location point is the distance between to the cut-off rule of car lane and non-motorized lane, according to residing for the distance calculated determines it Apart from section, wherein, described apart from section is two, is respectively first and second apart from section, described first apart from section is 0< Ju Li≤a（Rice）, the second distance section is a<Ju Li≤b（Rice）, the track discrimination module belongs in the definite distance Described first apart from section when, output is used for the electronic signal for controlling first metal-oxide half field effect transistor switch to enable, When determining that the distance belongs to the second distance section, output is used to control the second metal-oxide half field effect transistor switch to enable Electronic signal.
- A kind of 4. electric car speed limiting system distinguished based on track as claimed in claim 3, it is characterised in that the speed limit hundred Point than being respectively first and second speed limit percentage, and the first speed limit percentage is more than the second speed limit percentage, and described the One speed limit percentage is used for the resistance value epoch for calculating the second resistance set on first metal-oxide half field effect transistor Enter, the second speed limit percentage is used for the electricity for calculating the second resistance set on second metal-oxide half field effect transistor Substituted into during resistance value.
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| CN201610052620.9A CN105711417B (en) | 2016-01-27 | 2016-01-27 | A kind of electric car speed limiting system distinguished based on track |
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| CN109523789B (en) * | 2018-12-05 | 2021-04-09 | 郑州轻工业学院 | Electric vehicle lane occupation management and control system and road junction management and control method based on vehicle-road interaction coordination |
| CN110491126B (en) * | 2019-08-25 | 2021-11-16 | 安徽深蓝大健康智能科技有限公司 | Non-motor vehicle intersection driving control method and system based on Internet of things technology |
| CN111416670B (en) * | 2020-02-25 | 2021-12-03 | 深圳成谷智能科技有限公司 | Method and device for solving adjacent lane interference of passing vehicles |
| CN111899563B (en) * | 2020-08-06 | 2023-12-08 | 深圳市芯加元科技有限公司 | Method for early warning electric bicycle and motorcycle running lane and realizing device |
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| CN2169946Y (en) * | 1993-09-29 | 1994-06-22 | 李宇红 | Speed regulator for small dc motor |
| JP2005170328A (en) * | 2003-12-15 | 2005-06-30 | Nissan Motor Co Ltd | Deceleration control device |
| JP4577013B2 (en) * | 2004-12-28 | 2010-11-10 | 日産自動車株式会社 | Lane departure prevention device |
| US20060229800A1 (en) * | 2005-04-12 | 2006-10-12 | Gennady Aronin | System and method for reducing traffic congestion and accidents on highways |
| CN103206956A (en) * | 2012-01-17 | 2013-07-17 | 北京四维图新科技股份有限公司 | Navigation method and navigation device |
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Effective date of registration: 20191107 Address after: 271100 new material industrial park, Yangzhuang Town, Laiwu nonggao District, Jinan City, Shandong Province Patentee after: Shandong HaoChi Intelligent Automobile Co., Ltd Address before: 201800 Shanghai city Jiading District town of Jiading Bole Road No. 70 building 1209 room 10 Patentee before: SHANGHAI HAOCHENG ELECTRICAL AND MECHANICAL TECHNOLOGY CO., LTD. |