CN107472020B - Automobile speed limiter based on ambient brightness - Google Patents
Automobile speed limiter based on ambient brightness Download PDFInfo
- Publication number
- CN107472020B CN107472020B CN201710731076.5A CN201710731076A CN107472020B CN 107472020 B CN107472020 B CN 107472020B CN 201710731076 A CN201710731076 A CN 201710731076A CN 107472020 B CN107472020 B CN 107472020B
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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
- 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
- B60K31/18—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 including a device to audibly, visibly, or otherwise signal the existence of unusual or unintended speed to the driver of the vehicle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention provides an automobile speed limiter based on ambient brightness, wherein an electronic control unit of an automobile is connected with a pedal sensor through a normally closed switch, and the automobile speed limiter based on the ambient brightness comprises: the automobile speed limiter based on the ambient brightness can accurately limit the running speed of a vehicle according to the change of the ambient brightness, can effectively reduce the occurrence rate of traffic accidents, reduce the violation of regulations and the penalty, especially can save the maintenance cost of the vehicle and reduce the oil consumption and the like under the conditions of weak illumination intensity such as night running, tunnel running and the like.
Description
Technical Field
The invention belongs to the technical field of automobile speed limiters, and particularly relates to an automobile speed limiter based on ambient brightness.
Background
With the development of economy in China and the improvement of the living standard of people, more and more families have automobiles, and although the automobiles provide great convenience for people to go out, many people can drive at an overspeed in the driving process, and the overspeed driving can possibly cause traffic accidents.
At present, in order to avoid overspeed driving, automobile speed limiters are installed on automobiles. Existing automotive speed limiters generally fall into two broad categories: one is that when the vehicle is overspeed, a voice alarm is sent out to remind the driver of decelerating; and the other method is that after the vehicle exceeds a limited speed, the vehicle-mounted computer sends an instruction to forcibly control the running speed of the vehicle without flameout. Although the second car speed limiter obviously has the advantage of actively avoiding traffic accidents, the speed limiting mode is single and wide, the actual conditions (such as road sections, time, brightness and the like) of the car in actual running cannot be fully considered, and therefore the running speed of the car cannot be controlled more accurately.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an automobile speed governor based on ambient brightness, which can limit the maximum speed of the automobile in conjunction with the ambient brightness detected by a photosensor.
The invention provides an automobile speed limiter based on ambient brightness, which is characterized by comprising the following components: the light sensor is arranged outside the automobile; the signal acquisition unit is connected with the light sensor and a vehicle speed sensor of the vehicle and is used for acquiring the light signal sensed by the light sensor and the real-time speed of the vehicle; the setting unit is used for setting the maximum speed of the running automobile and the limit speeds in different light sensation intensity ranges; the storage unit is used for storing the maximum speed and the limit speed of the running of the automobile; the processing unit is connected with the signal acquisition unit, the setting unit and the storage unit and is used for obtaining a corresponding limit speed under real-time light intensity according to the optical signal and the limit speeds in different light sensation intensity ranges, comparing the real-time speed of the automobile with the maximum speed and the corresponding limit speed under the real-time light intensity to obtain a processing result of limiting the speed of the automobile or not, and judging whether a speed limiting signal is sent or not according to the processing result; the signal output unit is connected with the processing unit and the electronic control unit of the automobile and is used for receiving the speed limiting signal sent by the processing unit and sending the speed limiting signal to the electronic control unit of the automobile; and the switching value control unit is connected with the processing unit, wherein the electronic control unit of the automobile is connected with the pedal sensor through a normally closed switch, the normally closed switch is connected with the switching value control unit, when the real-time speed of the automobile is greater than the maximum speed or the limit speed as a processing result, the processing unit controls the switching value control unit to control the normally closed switch to be switched off and send out a speed limit signal, the signal output unit sends the speed limit signal to the electronic control unit of the automobile, the electronic control unit of the automobile forcibly limits the speed of the automobile until the real-time speed of the automobile is less than the maximum speed and less than the limit speed, the processing unit controls the switching value control unit to control the normally closed switch to be switched on, the electronic control unit of the automobile executes a signal sent by a normal accelerator pedal, and when the real-time speed of the automobile is less than the maximum speed and less than the limit speed as a processing result, the electronic control unit of the automobile executes a signal sent by the normal accelerator pedal.
Further, in the automobile speed limiter based on the ambient brightness provided by the invention, the automobile speed limiter further has the following characteristics: wherein a switch is arranged between the signal output unit and the electronic control unit of the automobile.
Further, in the automobile speed limiter based on the ambient brightness provided by the invention, the automobile speed limiter further has the following characteristics: the signal acquisition unit is further connected with a pedal sensor, and when the switch is turned on or turned off, the processing unit determines whether the turning-on or turning-off operation is effective according to whether an accelerator stepping signal exists or not.
Further, the automobile speed limiter based on the ambient brightness provided by the invention can also have the following characteristics: the setting unit is also used for setting control parameters during speed limiting, the storage unit stores the control parameters, and when the electronic control unit of the automobile forcibly limits the speed of the automobile, the electronic control unit limits the speed of the automobile according to the control parameters.
Further, the automobile speed limiter based on the ambient brightness provided by the invention can also have the following characteristics: the automobile speed limiter based on the ambient brightness further comprises a display unit connected with the processing unit.
Further, in the automobile speed limiter based on the ambient brightness provided by the invention, the automobile speed limiter further has the following characteristics: the automobile speed limiter based on the ambient brightness further comprises an alarm unit connected with the processing unit and used for sending out an alarm signal.
Further, the automobile speed limiter based on the ambient brightness provided by the invention can also have the following characteristics: wherein, the memory cell also stores the working mode, the working mode includes: a speed-limiting working mode and an alarm working mode.
Further, the automobile speed limiter based on the ambient brightness provided by the invention can also have the following characteristics: wherein, the normally closed switch is a relay.
The invention has the following advantages:
according to the automobile speed limiter based on the ambient brightness, the signal acquisition unit acquires the optical signal sensed by the light sensor and the real-time speed signal of the automobile acquired by the automobile speed sensor and sends the optical signal and the real-time speed signal to the processing unit, the processing unit obtains the limit speed under the light intensity according to the optical signal and the set limit speed in different light intensity ranges, compares the real-time speed of the automobile with the limit speed and the set maximum speed respectively, and determines whether to limit the speed of the automobile according to the processing result.
Drawings
FIG. 1 is a schematic diagram of a conventional electronic throttle system of an automobile;
FIG. 2 is a block diagram of an embodiment of the invention illustrating an automotive speed limiter based on ambient light;
FIG. 3 is a schematic view of an electronic throttle system incorporating an ambient light based automotive speed limiter of the present invention;
FIG. 4 is a flow chart of the operation of the ambient light based vehicle speed limiter of the present invention;
fig. 5 is a flow chart of the opening of the automobile speed limiter based on the ambient brightness in the embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments specifically describe the automobile speed limiter based on the ambient brightness in combination with the accompanying drawings.
Fig. 1 is a schematic diagram of a conventional electronic accelerator system of an automobile, in which an accelerator pedal signal acquired by a pedal sensor is directly transmitted to an Electronic Control Unit (ECU), and the electronic control unit controls a motor to operate according to the accelerator pedal signal, so as to adjust an accelerator, thereby controlling the running speed of the automobile.
As shown in fig. 2, an automobile speed governor 100 based on the ambient brightness is connected between the pedal sensor 20 and the electronic control unit 30.
As shown in fig. 2 and 3, the vehicle speed limiter 100 based on the ambient brightness includes: the light sensor 110, the storage unit 120, the signal acquisition unit 120, the processing unit 130, the signal output unit 140, the switching value control unit 150, and the setting unit 171.
The light sensor 110 is installed outside the vehicle to sense the intensity of ambient light around the vehicle.
The setting unit 171 is used for setting the maximum speed of the automobile and the limit speed of the automobile in different light sensation intensity ranges. In this embodiment, the setting unit 171 is also used to set control parameters at the time of speed limit.
The storage unit 120 is used for storing the maximum speed of the automobile running, the limit speed of the automobile running in different light sensation intensity ranges, the working mode of the speed limiter and the control parameters during speed limiting, which are set by the setting unit 171. The control parameter may be a parameter for limiting the speed of the vehicle, such as the size of the accelerator, which can be controlled by the electronic control unit 40 of the vehicle.
In this embodiment, the operation mode of the speed limiter includes: a speed-limiting working mode and an alarm working mode.
And (3) a speed limiting working mode: when the driving speed of the vehicle exceeds the set speed, the processing unit 140 will send a speed limit signal to the electronic control unit 30, and the electronic control unit 30 will forcibly limit the speed of the vehicle.
And (3) an alarm working mode: when the driving speed of the automobile exceeds the set speed, the processing unit 140 sends an alarm signal to the alarm, the alarm sends alarm information, and the driver limits the speed manually according to the alarm signal.
The signal collecting unit 130 is connected to the light sensor 110 and the vehicle speed sensor 20, and is configured to collect the light signal sensed by the light sensor 110 and the real-time speed signal of the vehicle collected by the vehicle speed sensor 20, and send the signals to the processing unit 140.
The processing unit 140 is connected to the signal acquisition unit 130, the setting unit 171 and the storage unit 120. In the present embodiment, the processing unit 140 is a microcontroller. The processing unit 140 receives the optical signal and the real-time speed signal of the vehicle sent by the signal acquisition unit 130, and processes the signals. And obtaining the driving limit speed of the automobile under the light intensity according to the light signal and the driving limit speed of the automobile within the set different light sensation intensity ranges, then comparing the real-time speed of the automobile with the maximum speed and the limit speed under the light intensity respectively to obtain a processing result, and judging whether to send a speed limit signal according to the processing result.
The processing result comprises: the real-time speed of the automobile is less than the maximum speed and less than the limit speed under the real-time light intensity; the real-time speed of the automobile is less than the maximum speed and greater than the limit speed under the real-time light intensity; the real-time speed of the vehicle is greater than the maximum speed.
When the real-time speed of the vehicle is smaller than the maximum speed and larger than the limit speed under the real-time light intensity or the real-time speed of the vehicle is larger than the maximum speed, that is, the real-time speed of the vehicle is larger than the maximum speed or the limit speed, the processing unit 140 sends out the speed limit signal. The processing unit 140 does not issue any signal when the real-time speed of the car is less than the maximum speed and less than the limit speed at the real-time light intensity.
The signal output unit 150 is connected to the processing unit 140 and the electronic control unit 40 of the vehicle, and is configured to receive the speed-limiting signal sent by the processing unit 140 and send the speed-limiting signal to the electronic control unit 40 of the vehicle.
In the present embodiment, a switch 180 is provided between the signal output unit 150 and the electronic control unit 40 of the automobile, as shown in fig. 2, the switch 180 is closed, that is, the contact 1 and the contact 3 are communicated, and the speed governor 100 is opened; the switch 180 is opened, i.e. contacts 1 and 3 are opened and the governor 100 is closed. The signal acquisition unit 130 is also connected to the pedal sensor 30. When the switch 180 is turned on or off, the processing unit 140 determines whether the turning-on or turning-off operation is effective according to whether there is an accelerator depression signal.
The switching value control unit 160 is connected with the processing unit 140, the electronic control unit 40 of the automobile is connected with the pedal sensor 30 through a normally closed switch 190, and the normally closed switch 190 is connected with the switching value control unit 160. As shown in fig. 2, the normally closed switch 190 is in a normally closed state, i.e., the contact 1 and the contact 2 are in communication. Opening the normally closed switch 190, i.e., contacts 1 and 2 are open, and closing the normally closed switch 190, i.e., contacts 1 and 2 are open. The processing unit 140 controls the switching amount control unit 160 to open the normally closed switch 190 or close the normally closed switch 190 according to the processing result.
In this embodiment, the normally closed switch 190 is a relay.
When the processing result of the processing unit 140 is that the real-time speed of the automobile is smaller than the maximum speed and larger than the limit speed under the real-time light intensity or the real-time speed of the automobile is larger than the maximum speed, the processing unit 140 sends a speed limit signal to the signal output unit 150, the control switch amount control unit 160 controls the normally closed switch 190 to be opened, namely, the contact 1 and the contact 2 are opened, at this time, the accelerator pedal cannot send a signal to the electronic control unit 40, the signal output unit 150 sends the speed limit signal to the electronic control unit 40, the electronic control unit 40 forcibly limits the speed of the automobile according to the speed limit signal until the real-time speed of the automobile is smaller than the maximum speed and smaller than the limit speed under the real-time light intensity, the control switch amount control unit 160 controls the normally closed switch 190 to be closed, namely, the contact 1 and the contact 2 are connected, and the electronic control unit 40 controls the automobile speed according to the accelerator pedal signal of the pedal sensor 30.
In this embodiment, the processing unit 140 sends the speed limit signal to the signal output unit 150 and sends the control parameter for speed limit to the signal output unit 150, and the electronic control unit 40 limits the speed of the vehicle according to the control parameter. When the control parameters are not set, the electronic control unit 40 forcibly limits the speed of the vehicle according to a speed limit mode designed in advance. The speed limiting manner in which the electronic control unit 40 forcibly limits the speed of the vehicle may be any manner as long as the speed of the vehicle can be limited.
In this embodiment, the car speed limiter 100 based on the ambient brightness further includes an alarm unit 172 and a display unit 173. The human-computer interaction unit 170 shown in fig. 2 includes a setting unit 171, an alarm unit 172, and a display unit 173.
The alarm unit 172 is connected to the processing unit 140 for emitting an alarm signal.
The display unit 173 is used for displaying the operation to be performed when the governor is operated and the result set by the setting unit 120. In the present embodiment, the display unit 173 is a display screen. When the setting unit 171 sets the speed threshold and the control parameter, it uses a peripheral keyboard input or a soft keyboard input on the display unit 173.
As shown in fig. 4, the operation flow of the automobile speed limiter 100 based on the ambient brightness is as follows:
step S1, opening a speed limiter, as shown in FIG. 5, when a speed limiter switch 180 is opened, that is, a contact 3 is communicated with a contact 1, a processing unit 140 firstly judges whether an accelerator pedaling action exists according to whether a signal is acquired by a pedal sensor, and if the accelerator pedaling action exists, the speed limiter is opened to be ineffective, and a voice alarm is performed; if the accelerator is not stepped on, the alarm unit 172 reminds whether the automobile is in a running state, if the automobile is determined to be in a stopping state, after waiting for 5 seconds, the speed limiter switch is turned on again, and the signal output unit 150 is communicated with the electronic control unit 40 of the automobile.
When the speed limiter is closed and the speed limiter switch 180 is disconnected, namely when the contact 3 and the contact 1 are disconnected, the same as when the speed limiter is opened, the processing unit 140 firstly judges whether an accelerator pedaling action exists according to whether a signal is acquired by a pedal sensor, and if the accelerator pedaling action exists, the speed limiter is closed and the operation is invalid, and a voice alarm is performed; if the accelerator is not stepped on, the alarm unit 172 reminds whether the automobile is in a running state, if the automobile is determined to be in a stop state, after waiting for 5 seconds, the speed limiter switch 180 is closed again, and the signal output unit 150 is disconnected from the electronic control unit 40 of the automobile.
And S2, selecting a speed limiter working mode, a speed limit working mode or an alarm working mode. After the speed limiter is opened, the two operating modes are displayed on the display unit 173, and the driver selects one operating mode through the touch screen.
And S3, setting the maximum speed of the automobile in running, the limit speeds in different light sensation intensity ranges and control parameters during speed limiting. After the finishing operation mode is selected, the display unit 173 displays the setting of the maximum speed of the vehicle, the setting screen of the limit speed within the range of different light sensation intensity, and the setting of the control parameter, and after the setting by the setting unit 171, the parameter setting of the speed limiter is finished, and the normal operation stage is entered.
Step S4, in the running process of the vehicle, the signal collecting unit 130 collects the light signal sensed by the light sensor 110 and the real-time speed signal of the vehicle collected by the vehicle speed sensor 20 in real time, and sends the light signal and the real-time speed signal of the vehicle to the processing unit 140.
In step S5, the processing unit 140 obtains a processing result according to the light signal, the real-time speed signal of the vehicle, the maximum speed, and the limit speeds within different light sensation intensity ranges, and determines whether to send a speed limit signal or an alarm signal according to the processing result.
And S6, controlling the speed of the electronic automobile by the electronic control unit 40 of the electronic automobile according to the accelerator pedal signal or the speed limit signal of the pedal sensor 30.
If the alarm working mode is selected, whether to alarm or not is judged according to the real-time speed and the maximum speed of the automobile running calculated by the processing unit 140 and the limit speed under the illumination condition. If the real-time speed of the vehicle is greater than the maximum speed or the limit speed under the illumination condition, the processing unit 140 controls the alarm unit 172 to give an alarm.
If the speed-limiting working mode is selected, the speed of the automobile is controlled according to the real-time speed and the maximum speed of the automobile running calculated by the processing unit 140 and the size of the limit speed under the illumination condition.
If the real-time speed of the automobile running is greater than the set maximum speed, no matter whether the real-time speed of the automobile running is greater than the limit speed under the illumination condition, the processing unit 140 sends a speed limiting signal and a control parameter during speed limiting, the signal output unit 150 sends the speed limiting signal and the control parameter during speed limiting to the electronic control unit 30, the electronic control unit 30 carries out forced speed limiting on the automobile according to the control parameter, at the moment, the accelerator pedal cannot control the oil path system, and the accelerator pedal cannot recover to normally control the oil path system until the real-time speed of the automobile running is less than the minimum value between the maximum speed and the limit speed under the illumination condition.
If the real-time speed of the automobile is smaller than the set maximum speed but larger than the limit speed under the illumination condition, the processing unit 140 sends a speed limiting signal and a control parameter during speed limiting, the signal output unit sends the speed limiting signal and the control parameter during speed limiting to the electronic control unit 30, the electronic control unit 30 forcibly limits the speed of the automobile according to the control parameter, at the moment, the accelerator pedal cannot control the oil path system, and the accelerator pedal cannot recover to normally control the oil path system until the real-time speed of the automobile is smaller than the limit speed under the illumination condition.
If the real-time speed of the vehicle is less than the set maximum speed and less than the limit speed under the lighting condition, the electronic control unit 30 controls the vehicle to run according to the accelerator pedal signal of the pedal sensor 30.
The speed limiter disclosed by the invention can be used for more accurately limiting the running speed of a vehicle according to the change of the ambient brightness. Particularly, under the condition of weak illumination intensity of night driving, tunnel driving and the like, the speed limiter can effectively reduce the traffic accident rate, is safer and more reliable, can reduce overspeed violation and fine, saves the vehicle maintenance cost and cost, reduces oil consumption and the like. In addition, the speed limiter does not damage the structure of the original system of the automobile, and can ensure the safety and stability of the automobile.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (8)
1. An automobile speed limiter based on ambient brightness is characterized by comprising:
the light sensor is arranged outside the automobile;
the signal acquisition unit is connected with the light sensor and a vehicle speed sensor of the vehicle and is used for acquiring the light signal sensed by the light sensor and the real-time speed of the vehicle;
the setting unit is used for setting the maximum speed of the automobile in running and the limit speeds in different light sensation intensity ranges;
the storage unit is used for storing the maximum speed and the limit speed of the running of the automobile;
the processing unit is connected with the signal acquisition unit, the setting unit and the storage unit and is used for obtaining a corresponding limit speed under real-time light intensity according to the optical signal and the limit speeds in different light sensation intensity ranges, comparing the real-time speed of the automobile with the maximum speed and the corresponding limit speed under the real-time light intensity to obtain a processing result of limiting the speed of the automobile or not, and judging whether a speed limiting signal is sent or not according to the processing result;
the signal output unit is connected with the processing unit and the electronic control unit of the automobile and is used for receiving the speed limiting signal sent by the processing unit and sending the speed limiting signal to the electronic control unit of the automobile; and
a switching value control unit connected with the processing unit,
wherein, the electronic control unit of the automobile is connected with the pedal sensor through a normally closed switch, the normally closed switch is connected with the switching value control unit,
when the real-time speed of the automobile is higher than the maximum speed or the limit speed, the processing unit controls the switching value control unit to control the normally closed switch to be switched off and send a speed limit signal, the signal output unit sends the speed limit signal to the electronic control unit of the automobile, the electronic control unit of the automobile forcibly limits the speed of the automobile until the real-time speed of the automobile is lower than the maximum speed and lower than the limit speed, the processing unit controls the switching value control unit to control the normally closed switch to be switched on and the electronic control unit of the automobile executes a normal signal sent by an accelerator pedal,
and the processing result is that when the real-time speed of the automobile is less than the maximum speed and less than the limit speed, the electronic control unit of the automobile executes a signal sent by a normal accelerator pedal.
2. The ambient light based automotive speed limiter of claim 1, wherein:
and a switch is arranged between the signal output unit and the electronic control unit of the automobile.
3. The ambient light based automotive speed limiter of claim 2, wherein:
the signal acquisition unit is also connected with a pedal sensor, and when the switch is turned on or turned off, the processing unit determines whether the turning-on or turning-off operation is effective according to whether an accelerator stepping signal exists or not.
4. The ambient light based automotive speed limiter of claim 1, wherein:
the setting unit is also used for setting control parameters during speed limiting, the storage unit stores the control parameters, and when the electronic control unit of the automobile forcibly limits the speed of the automobile, the speed of the automobile is limited according to the control parameters.
5. The ambient light based speed limiter for automobiles of claim 1 further comprising:
and the display unit is connected with the processing unit.
6. The ambient light based speed limiter for automobiles of claim 1 further comprising:
and the alarm unit is connected with the processing unit and used for sending out an alarm signal.
7. The ambient light based automotive speed limiter of claim 1, wherein:
the storage unit further stores an operation mode, and the operation mode includes: a speed-limiting working mode and an alarm working mode.
8. The ambient light based automobile speed limiter according to claim 1, wherein:
the normally closed switch is a relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710731076.5A CN107472020B (en) | 2017-08-23 | 2017-08-23 | Automobile speed limiter based on ambient brightness |
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| CN201710731076.5A CN107472020B (en) | 2017-08-23 | 2017-08-23 | Automobile speed limiter based on ambient brightness |
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| CN107472020B true CN107472020B (en) | 2023-03-31 |
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| CN108248385B (en) * | 2017-12-25 | 2021-03-16 | 长沙中联消防机械有限公司 | Self-adaptive speed limiting method and system under complex environment and rail fire truck |
| CN108790820B (en) * | 2018-04-27 | 2020-08-11 | 榛硕（武汉）智能科技有限公司 | Vehicle speed limit control system and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201449393U (en) * | 2009-06-24 | 2010-05-05 | 朱跃明 | Alarm system for limiting speed of automobile |
| JP2010182287A (en) * | 2008-07-17 | 2010-08-19 | Steven C Kays | Intelligent adaptive design |
| CN202923400U (en) * | 2012-10-10 | 2013-05-08 | 长安大学 | Electronic car speed governor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0609318D0 (en) * | 2006-05-11 | 2006-06-21 | Autokontrol Ltd | Speed limiter system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010182287A (en) * | 2008-07-17 | 2010-08-19 | Steven C Kays | Intelligent adaptive design |
| CN201449393U (en) * | 2009-06-24 | 2010-05-05 | 朱跃明 | Alarm system for limiting speed of automobile |
| CN202923400U (en) * | 2012-10-10 | 2013-05-08 | 长安大学 | Electronic car speed governor |
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