CN108454404A - A kind of automobile multiple speed warning device and its method - Google Patents
A kind of automobile multiple speed warning device and its method Download PDFInfo
- Publication number
- CN108454404A CN108454404A CN201810140140.7A CN201810140140A CN108454404A CN 108454404 A CN108454404 A CN 108454404A CN 201810140140 A CN201810140140 A CN 201810140140A CN 108454404 A CN108454404 A CN 108454404A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000013078 crystal Substances 0.000 claims abstract description 4
- 230000001133 acceleration Effects 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 5
- 238000004321 preservation Methods 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of automobile multiple speed warning device and its methods.It includes：First pin of microcontroller is connected to first switch, second pin of microcontroller is connected to second switch, the third pin of microcontroller is connected to third switch, 4th pin of microcontroller is connected to the 4th switch, 5th pin of microcontroller is connected to the 5th switch, 6th pin of microcontroller is connected to the 6th switch, 7th pin of microcontroller is connected to the 7th switch, 12nd pin of microcontroller is connected to speed signal input terminal by photoisolator, photoisolator is connected to high level by the 16th resistance, 14th pin of microcontroller is connected to the 9th switch, 31st pin of microcontroller is connected to high level, 18th pin of microcontroller and the 19th pin are connected to crystal oscillator.The present invention can improve the deficiencies in the prior art, can be monitored in real time to running speed, alarm hypervelocity behavior.
Description
Technical field
The present invention relates to technical field of automobile control, especially a kind of automobile multiple speed warning device and its method.
Background technology
With the development of control technology, ECU is mounted on present automobile（Car running computer）.ECU is used for speed etc.
Running information is acquired in real time, and provides corresponding control instruction according to the operation of driver.Although car running computer can be right
Speed acquire and show in real time, but can not be defined to out information warning according to speed.
Invention content
The technical problem to be solved in the present invention is to provide a kind of automobile multiple speed warning devices, can solve the prior art not
Foot, can monitor running speed in real time, alarm hypervelocity behavior.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
First pin of a kind of automobile multiple speed warning device, including microcontroller, microcontroller is connected to first switch, monolithic
Second pin of machine is connected to second switch, and the third pin of microcontroller is connected to third switch, and the 4th pin of microcontroller connects
It is connected to the 4th switch, the 5th pin of microcontroller is connected to the 5th switch, and the 6th pin of microcontroller is connected to the 6th switch, single
7th pin of piece machine is connected to the 7th switch, and it is defeated that the 12nd pin of microcontroller by photoisolator is connected to speed signal
Enter end, photoisolator is connected to high level by the 16th resistance, and the 14th pin of microcontroller is connected to the 9th switch, single
31st pin of piece machine is connected to high level, and the 18th pin of microcontroller and the 19th pin are connected to crystal oscillator, monolithic
Respectively by the 4th capacitance and third capacity earth, the 9th pin of microcontroller passes through for 18th pin of machine and the 19th pin
To high level, the 9th pin of microcontroller passes through the 14th resistance eutral grounding, monolithic for 8th switch in parallel and the 5th capacitance connection
20th pin of machine is grounded, the 39th pin, the 38th pin, the 37th pin, the 36th pipe of microcontroller
Foot, the 35th pin, the 34th pin, the 30th three-prong, the 32nd pin are connected to pull-up resistor, microcontroller
39th pin, the 38th pin, the 37th pin, the 36th pin, the 35th pin, the 34th pipe
Foot, the 30th three-prong, the 32nd pin pass through first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th respectively
Resistance, the 6th resistance, the 7th resistance and the 8th resistance are connected to display screen, and display screen is respectively connected to the first triode, second
The collector of triode, third transistor and the 4th triode, the first triode, the second triode, third transistor and the 4th
The emitter of triode is connected to high level, the 25th pin of microcontroller is connected to the 4th triode by twelfth resistor
Base stage, the 26th pin of microcontroller is connected to the base stage of third transistor by eleventh resistor, the second of microcontroller
17 pins are connected to the base stage of the second triode by the tenth resistance, and the 28th pin of microcontroller is connected by the 9th resistance
It is connected to the base stage of the first triode, the 8th pin of microcontroller is connected to the base stage of the 5th triode by the 15th resistance, the
The emitter of five triodes is connected to high level, and the collector of the 5th triode is connected to buzzer.
A kind of automobile multiple speed alarm method is applied to above-mentioned automobile multiple speed warning device, including：
Upper speed signal of returning the vehicle to the garage and knock off is obtained by signal input part, speed signal is sent after photoelectric coupling to microcontroller, and microcontroller judges
Whether speed signal is 0 and will determine that result is sent to display screen and shows；If speed signal be 0, be respectively set 60km/h,
At least one of 80km/h, 100km/h, 110km/h, 120km/h are as acceleration alert signal and carry out data write-in storage
In microcontroller, power down preserves；If speed signal is non-zero, microcontroller is more than preset 60km/h, 80km/ according to speed signal
H, at least one of acceleration alert signal of 100km/h, 110km/h, 120km/h carries out data load, and microcontroller will load
Acceleration alert signal is sent to buzzer warning after carrying out data reduction.
It is above-mentioned that the power supply of automobile multiple speed warning device is carried out after powering on display in preferred embodiments of the present invention, it is single
Piece machine obtains in vehicle 4s judges that speed signal is 0 without tach signal.
In preferred embodiments of the present invention, if above-mentioned speed signal is non-zero, further include：The speed letter that switching obtains
Number be mileage signal so that display screen is shown that being converted to mileage shows by speed.
In preferred embodiments of the present invention, it is above-mentioned be respectively set 60km/h, 80km/h, 100km/h, 110km/h,
At least one of 120km/h includes as acceleration alert signal：
Under vehicle stop state, when there is no speed signal, entering Setting pattern by first switch, second switch is plus counts,
Third switch to subtract countings, by second switch and third switch adjust separately preset vehicle speed signal for 60km/h, 80km/h,
100km/h, 110km/h, 120km/h choose and hear buzzer hair by the 4th switch one second or more as acceleration alert Chief Signal Boatswain
It after going out buzzer, indicates that the acceleration alert signal alarm of this kind of supervelocity is provided with, completes initial value setting.
In preferred embodiments of the present invention, above-mentioned selection 60km/h, 80km/h, 100km/h, 110km/h, 120km/h
At least one of when being provided with as initial value as acceleration alert signal, stir the 7th and switch and press second switch and listen
It, will after indicating that this kind of speed signal is provided with for the acceleration alert signal alarm of supervelocity when beeping to buzzer
7th switching toggle returns original position；
When if desired changing acceleration alert signal, while stirring the 7th switch and third switch, the 7th switch and the 4th switch, the
One kind in seven switches and the 4th switch, the 7th switch and the 5th switch and the 7th switch and the 6th switch being updated speed
Alarm signal is as initial value, later, the 7th switching toggle is returned original position.
In preferred embodiments of the present invention, above-mentioned microcontroller after speed signal processing operation with every 0.5 second to being sent to aobvious
Display screen refreshes display.
It is using advantageous effect caused by above-mentioned technical proposal：The present invention can be monitored car speed, and
Vehicle driving mileage is recorded.A variety of speed supervelocity alarms can be freely set, stops and drives a vehicle and can change, side
Just quick.
Description of the drawings
Fig. 1 is the main circuit diagram of a specific implementation mode of the invention.
Fig. 2 is the circuit diagram for switching display portion in a specific implementation mode of the invention.
Fig. 3 is the circuit diagram of overspeed alarming part in a specific implementation mode of the invention.
Fig. 4 is the circuit diagram of a specific implementation mode speed signal importation of the invention.
Fig. 5 is the circuit diagram of reset portion in a specific implementation mode of the invention.
Fig. 6 is the program flow diagram of a specific implementation mode of the invention.
Specific implementation mode
Referring to Fig.1-5, a specific implementation mode of the invention, including the first pin P10 of microcontroller U1, microcontroller U1 connect
It is connected to first switch S1, the second pin P11 of microcontroller U1 is connected to second switch S2, and the third pin P12 of microcontroller U1 connects
The 4th pin P13 for being connected to third switch S3, microcontroller U1 is connected to the 4th switch S4, and the 5th pin P14 of microcontroller U1 connects
It is connected to the 5th switch S5, the 6th pin P15 of microcontroller U1 is connected to the 6th switch S6, and the 7th pin P16 of microcontroller U1 connects
It is connected to the 7th switch S7, the 12nd pin OUT of microcontroller U1 is connected to speed signal input terminal, light by photoisolator U2
Electric isolator U2 is connected to high level VCC by the 16th resistance R16, and the 14th pin P34 of microcontroller U1 is connected to the 9th
The 31st pin of switch S9, microcontroller U1 are connected to high level VCC, the 18th pin of microcontroller U1 and the 19th pin
It is connected to crystal oscillator Y1, the 18th pin of microcontroller U1 and the 19th pin are connect by the 4th capacitance C4 and third capacitance C3 respectively
The 9th pin RST on ground, microcontroller U1 is connected to high level VCC by the 8th switch S8 and the 5th capacitance C5 in parallel, monolithic
The 9th pin RST of machine U1 is grounded by the 14th resistance R14 ground connection, the 20th pin GND of microcontroller U1, microcontroller U1's
39th pin P00, the 38th pin P01, the 37th pin P02, the 36th pin P03, the 35th pin
P04, the 34th pin P05, the 30th three-prong P06, the 32nd pin P07 are connected to pull-up resistor J1, microcontroller U1
The 39th pin P00, the 38th pin P01, the 37th pin P02, the 36th pin P03, the 35th pipe
Foot P04, the 34th pin P05, the 30th three-prong P06, the 32nd pin P07 pass through first resistor R1, second respectively
Resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7 and the 8th resistance R8 connections
To display screen DS1, display screen DS1 is respectively connected to the first triode Q1, the second triode Q2, third transistor Q3 and the four or three
The collector of pole pipe Q4, the first triode Q1, the second triode Q2, third transistor Q3 and the 4th triode Q4 emitter connect
It is connected to high level VCC, the 25th pin P24 of microcontroller U1 is connected to the 4th triode Q4's by twelfth resistor R12
Base stage, the 26th pin P25 of microcontroller U1 are connected to the base stage of third transistor Q3, monolithic by eleventh resistor R11
The 27th pin P26 of machine U1 is connected to the base stage of the second triode Q2 by the tenth resistance R10, and the 20th of microcontroller U1 the
Eight pin P27 are connected to the base stage of the first triode Q1 by the 9th resistance R9, and the 8th pin P17 of microcontroller U1 passes through the tenth
Five resistance R15 are connected to the base stage of the 5th triode Q5, and the emitter of the 5th triode Q5 is connected to high level VCC, and the five or three
The collector of pole pipe Q5 is connected to buzzer T1.
With reference to Fig. 6, the same inventive concept of automobile multiple speed warning device based on the embodiment of the present invention also provides a kind of
Automobile multiple speed alarm method, including：Upper speed signal of returning the vehicle to the garage and knock off is obtained by signal input part, speed signal is sent after photoelectric coupling
To microcontroller U1, microcontroller U1 judges whether speed signal is 0 and will determine that result is sent to display screen DS1 and shows；If speed
When signal is 0, at least one of 60km/h, 80km/h, 100km/h, 110km/h, 120km/h is respectively set and is used as speed report
It warns signal and carries out data write-in and be stored in microcontroller U1, power down preserves；If speed signal is non-zero, microcontroller U1 is according to vehicle
At least one in acceleration alert signal of the fast signal more than preset 60km/h, 80km/h, 100km/h, 110km/h, 120km/h
Kind carries out data load, and microcontroller U1 will be sent to buzzer warning after the progress data reduction of loading velocity alarm signal.
It is above-mentioned that the power supply of automobile multiple speed warning device is carried out after powering on display in preferred embodiments of the present invention, it is single
Piece machine U1 is obtained in vehicle 4s judges that speed signal is 0 without tach signal.
In preferred embodiments of the present invention, if above-mentioned speed signal is non-zero, further include：The speed letter that switching obtains
Number be mileage signal so that display screen DS1）Speed shows that being converted to mileage shows.
In preferred embodiments of the present invention, it is above-mentioned be respectively set 60km/h, 80km/h, 100km/h, 110km/h,
At least one of 120km/h includes as acceleration alert signal：
Under vehicle stop state, when there is no speed signal, enter Setting pattern by first switch S1, second switch S2 is plus counts
Number, third switch S3 be subtract counting, by second switch S2 and third switch S3 adjust separately preset vehicle speed signal for 60km/h,
80km/h, 100km/h, 110km/h, 120km/h choose and are heard by the 4th switch S4 mono- second or more as acceleration alert Chief Signal Boatswain
It after buzzer T1 beeps, indicates that the acceleration alert signal alarm of this kind of supervelocity is provided with, completes initial value setting.
In preferred embodiments of the present invention, above-mentioned selection 60km/h, 80km/h, 100km/h, 110km/h, 120km/h
At least one of as acceleration alert signal be provided with as initial value when, stir the 7th switch S7 and press second switch
S2, which is heard, indicates that this kind of speed signal is that the acceleration alert signal alarm of supervelocity is provided with when buzzer T1 beeps
Later, the 7th switch S7 is stirred into back original position；
When if desired changing acceleration alert signal, while stirring the 7th switch S7 and third switch S3, the 7th switch S7 and the 4th
Switch S 3, the 7th switch S7 and the 4th switch S4, the 7th switch S7 and the 5th switch S5 and the 7th switch S7 and the 6th switch
One kind in S6 being updated acceleration alert signal as initial value, later, the 7th switch S7 is stirred back original position.
In preferred embodiments of the present invention, above-mentioned microcontroller U1 to speed signal handle after operation with send within every 0.5 second to
Display screen DS1 refreshes display.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of automobile multiple speed warning device, it is characterised in that：Including microcontroller（U1）, microcontroller（U1）The first pin
（P10）It is connected to first switch（S1）, microcontroller（U1）The second pin（P11）It is connected to second switch（S2）, microcontroller
（U1）Third pin（P12）It is connected to third switch（S3）, microcontroller（U1）The 4th pin（P13）It is connected to the 4th switch
（S4）, microcontroller（U1）The 5th pin（P14）It is connected to the 5th switch（S5）, microcontroller（U1）The 6th pin（P15）Even
It is connected to the 6th switch（S6）, microcontroller（U1）The 7th pin（P16）It is connected to the 7th switch（S7）, microcontroller（U1）The tenth
Two pins（OUT）Pass through photoisolator（U2）It is connected to speed signal input terminal, photoisolator（U2）Pass through the 16th electricity
Resistance（R16）It is connected to high level（VCC）, microcontroller（U1）The 14th pin（P34）It is connected to the 9th switch（S9）, microcontroller
（U1）The 31st pin be connected to high level（VCC）, microcontroller（U1）The 18th pin and the 19th pin be connected to
Crystal oscillator（Y1）, microcontroller（U1）The 18th pin and the 19th pin pass through the 4th capacitance respectively（C4）With third capacitance（C3）
Ground connection, microcontroller（U1）The 9th pin（RST）Pass through the 8th switch in parallel（S8）With the 5th capacitance（C5）Connect supreme electricity
It is flat（VCC）, microcontroller（U1）The 9th pin（RST）Pass through the 14th resistance（R14）Ground connection, microcontroller（U1）The 20th pipe
Foot（GND）Ground connection, microcontroller（U1）The 39th pin（P00）, the 38th pin（P01）, the 37th pin
（P02）, the 36th pin（P03）, the 35th pin（P04）, the 34th pin（P05）, the 30th three-prong
（P06）, the 32nd pin（P07）It is connected to pull-up resistor（J1）, microcontroller（U1）The 39th pin（P00）, third
18 pins（P01）, the 37th pin（P02）, the 36th pin（P03）, the 35th pin（P04）, the 34th
Pin（P05）, the 30th three-prong（P06）, the 32nd pin（P07）Pass through first resistor respectively（R1）, second resistance
（R2）, 3rd resistor（R3）, the 4th resistance（R4）, the 5th resistance（R5）, the 6th resistance（R6）, the 7th resistance（R7）With the 8th electricity
Resistance（R8）It is connected to display screen（DS1）, display screen（DS1）It is respectively connected to the first triode（Q1）, the second triode（Q2）,
Three triodes（Q3）With the 4th triode（Q4）Collector, the first triode（Q1）, the second triode（Q2）, third transistor
（Q3）With the 4th triode（Q4）Emitter be connected to high level（VCC）, microcontroller（U1）The 25th pin（P24）It is logical
Cross twelfth resistor（R12）It is connected to the 4th triode（Q4）Base stage, microcontroller（U1）The 26th pin（P25）Pass through
Eleventh resistor（R11）It is connected to third transistor（Q3）Base stage, microcontroller（U1）The 27th pin（P26）Pass through
Ten resistance（R10）It is connected to the second triode（Q2）Base stage, microcontroller（U1）The 28th pin（P27）Pass through the 9th electricity
Resistance（R9）It is connected to the first triode（Q1）Base stage, microcontroller（U1）The 8th pin（P17）Pass through the 15th resistance（R15）
It is connected to the 5th triode（Q5）Base stage, the 5th triode（Q5）Emitter be connected to high level（VCC）, the 5th triode
（Q5）Collector be connected to buzzer（T1）.
2. a kind of automobile multiple speed alarm method, is applied to automobile multiple speed warning device described in claim 1, feature exists
In, including：
Upper speed signal of returning the vehicle to the garage and knock off is obtained by signal input part, speed signal is sent after photoelectric coupling to microcontroller（U1）, microcontroller
（U1）Judge whether speed signal is 0 and will determine that result is sent to display screen（DS1）Display；If speed signal is 0, respectively
Setting at least one of 60km/h, 80km/h, 100km/h, 110km/h, 120km/h goes forward side by side line number as acceleration alert signal
It is stored in microcontroller according to write-in（U1）, power down preservation；If speed signal is non-zero, microcontroller（U1）It is more than according to speed signal
At least one of acceleration alert signal of preset 60km/h, 80km/h, 100km/h, 110km/h, 120km/h carries out data
Load, microcontroller（U1）It is sent to buzzer warning after loading velocity alarm signal is carried out data reduction.
3. automobile multiple speed alarm method according to claim 2, it is characterised in that：Automobile multiple speed warning device is supplied
Electricity carries out after powering on display, microcontroller（U1）It obtains in vehicle 4s and judges that speed signal is 0 without tach signal.
4. automobile multiple speed alarm method according to claim 2, it is characterised in that：If speed signal is non-zero, also wrap
It includes：The speed signal that switching obtains is mileage signal so that display screen（DS1）Show that being converted to mileage shows by speed.
5. automobile multiple speed alarm method according to claim 2, it is characterised in that：Be respectively set 60km/h, 80km/h,
At least one of 100km/h, 110km/h, 120km/h include as acceleration alert signal：
Under vehicle stop state, when there is no speed signal, by first switch（S1）Into Setting pattern, second switch（S2）For
Add counting, third switch（S3）It is counted to subtract, passes through second switch（S2）It is switched with third（S3）Adjust separately preset vehicle speed letter
Number be 60km/h, 80km/h, 100km/h, 110km/h, 120km/h, choose as acceleration alert Chief Signal Boatswain by the 4th switch
（S4）Hear buzzer within one second or more（T1）After beeping, indicate that the acceleration alert signal alarm of this kind of supervelocity is set up
At completion initial value setting.
6. automobile multiple speed alarm method according to claim 5, it is characterised in that：Selection 60km/h, 80km/h,
When at least one of 100km/h, 110km/h, 120km/h are provided with as acceleration alert signal as initial value, stir
7th switch（S7）And press second switch（S2）Hear buzzer（T1）Indicate that this kind of speed signal is super when beeping
After the acceleration alert signal alarm of speed is provided with, by the 7th switch（S7）Stir back original position；
When if desired changing acceleration alert signal, while stirring the 7th switch（S7）It is switched with third（S3）, the 7th switch（S7）
With the 4th switch（S 3）, the 7th switch（S7）With the 4th switch（S4）, the 7th switch（S7）With the 5th switch（S5）And the 7th
Switch（S7）With the 6th switch（S6）In one kind being updated acceleration alert signal as initial value, later, by the 7th switch
（S7）Stir back original position.
7. according to claim 2-6 any one of them automobile multiple speed alarm methods, it is characterised in that：Microcontroller（U1）To speed
It was sent to display screen with every 0.5 second after degree signal processing operation（DS1）Refresh display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140140.7A CN108454404B (en) | 2018-02-11 | 2018-02-11 | Automobile multi-speed alarm device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140140.7A CN108454404B (en) | 2018-02-11 | 2018-02-11 | Automobile multi-speed alarm device and method thereof |
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| Publication Number | Publication Date |
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| CN108454404A true CN108454404A (en) | 2018-08-28 |
| CN108454404B CN108454404B (en) | 2020-10-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6329258A (en) * | 1986-07-23 | 1988-02-06 | Oki Electric Ind Co Ltd | Speed warning system for vehicle |
| CN87210258U (en) * | 1987-07-22 | 1988-07-13 | 李明远 | Display and alarm device for speed |
| CN102390268A (en) * | 2011-10-14 | 2012-03-28 | 成都市翻鑫家科技有限公司 | Vehicle speed alarm device |
| CN203063691U (en) * | 2013-02-22 | 2013-07-17 | 陕西理工学院 | Automobile speed alarm device |
| CN204488514U (en) * | 2015-04-01 | 2015-07-22 | 山东理工大学 | A kind of Novel automotive overspeed warning device |
| CN107415689A (en) * | 2017-05-11 | 2017-12-01 | 南宁市宝生科技有限公司 | A kind of automobile overspeed alarming system |
-
2018
- 2018-02-11 CN CN201810140140.7A patent/CN108454404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6329258A (en) * | 1986-07-23 | 1988-02-06 | Oki Electric Ind Co Ltd | Speed warning system for vehicle |
| CN87210258U (en) * | 1987-07-22 | 1988-07-13 | 李明远 | Display and alarm device for speed |
| CN102390268A (en) * | 2011-10-14 | 2012-03-28 | 成都市翻鑫家科技有限公司 | Vehicle speed alarm device |
| CN203063691U (en) * | 2013-02-22 | 2013-07-17 | 陕西理工学院 | Automobile speed alarm device |
| CN204488514U (en) * | 2015-04-01 | 2015-07-22 | 山东理工大学 | A kind of Novel automotive overspeed warning device |
| CN107415689A (en) * | 2017-05-11 | 2017-12-01 | 南宁市宝生科技有限公司 | A kind of automobile overspeed alarming system |
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| Publication number | Publication date |
|---|---|
| CN108454404B (en) | 2020-10-13 |
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