CN202641678U - Automobile automatic speed-limiting device based on Wi-Fi wireless transmission - Google Patents
Automobile automatic speed-limiting device based on Wi-Fi wireless transmission Download PDFInfo
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- CN202641678U CN202641678U CN 201220059579 CN201220059579U CN202641678U CN 202641678 U CN202641678 U CN 202641678U CN 201220059579 CN201220059579 CN 201220059579 CN 201220059579 U CN201220059579 U CN 201220059579U CN 202641678 U CN202641678 U CN 202641678U
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Abstract
The utility model discloses an automobile automatic speed-limiting device based on Wi-Fi wireless transmission. The device comprises a Wi-Fi wireless launching module installed on a speed-limiting guideboard and an integrated circuit board installed on an automobile, wherein the integrated circuit board comprises a Wi-Fi wireless receiving module, an automobile running speed detection module, a signal processing module, a speed comparison module, and a sound-light alarming module. According to the device, the Wi-Fi wireless launching module and the Wi-Fi wireless receiving module are used for the wireless transmission of automobile speed limiting values without being influenced by external environment changes, and the device has a long recognition distance, a strong anti-interference capability, and high reliability, and provides effective guarantee for automobile compel speed limiting and pedestrian safety.
Description
Technical field
The utility model relates to a kind of overrunning governor for automobile, especially a kind of automatic speed limit device of car based on the Wi-Fi transmission over radio.
Background technology
Along with the quickening that China's arteries of communication is built, the express highway network spreads all over, and the highway condition that is positioned at the business district also promotes greatly.In order to administer overspeed of vehicle, country has formulated strict laws and regulations, but the phenomenon that exceeds the speed limit still remains incessant after repeated prohibition, and especially the large engineering vehicle slag-soil truck is very rampant, ignores road pedestrian's life security.It is extremely urgent at this class vehicle the pressure road speed limit device to be installed.Siemens in 2006 announces to have developed road stated-speed sign means of identification, and this device utilizes the stated-speed sign in camera identification the place ahead, when moving velocity faster the time, will give a warning or with CCS cruise control system interlock, volitional check moving velocity.Use this device can reach in principle the purpose of restricting vehicle speed, still this device is affected because external environment changes often at the identification stated-speed sign.Under the inclement weather environment such as overcast and rainy, large greasy weather, the different situation lower device in stated-speed sign position just is difficult to prepare identification.
The utility model content
The utility model causes a lot of accidents for present overspeed of vehicle phenomenon, this phenomenon of accident of causing of heavy construction slag-soil truck hypervelocity especially, provide a kind of reasonable in design, degree of automation is high, force accurately and reliably the overrunning governor for automobile of car retardation.
For realizing above technical purpose, the utility model will be taked following technical scheme:
A kind of automatic speed limit device of car based on the Wi-Fi transmission over radio, comprise the Wi-Fi wireless transmitter module that is installed on the speed limit guideboard and be installed in integrated circuit board on the automobile, this integrated circuit board comprises Wi-Fi wireless receiving module, automobile driving speed detection module, signal processing module, speed comparison module, sound and light alarm module; Wherein: the Wi-Fi wireless transmitter module is used for velocity constraint signal corresponding to wireless Wi-Fi transmission speed limit guideboard; The Wi-Fi wireless receiving module is used for receiving the velocity constraint signal that the Wi-Fi wireless transmitter module transmits; The automobile driving speed detection module is for detection of automobile current driving speed signal; Signal processing module is used for the automobile current driving speed signal that the automobile driving speed detection module detects is processed; The speed comparison module is used for automobile current driving speed signal and the received velocity constraint signal of Wi-Fi wireless receiving module that the comparison signal processing module is exported; The sound and light alarm module is by controlling acoustic-optic alarm to warn automobile current driving speed signal greater than the velocity constraint signal.
Described integrated circuit board also comprises the deceleration execution module, and this deceleration execution module is used for after the sound and light alarm caution, and automobile current driving speed signal is still carried out engine retard greater than the automobile of velocity constraint signal and travelled.
Wi-Fi wireless transmitter module and Wi-Fi wireless receiving module are Marvell chip Avastar 88W8797.
According to above technical scheme, can realize following beneficial effect:
The utility model adopts Wi-Fi wireless transmitter module, Wi-Fi wireless receiving module to carry out transmission over radio car speed limit value, the impact that not changed by external environment, decipherment distance is long, and antijamming capability is strong, reliability is high, for vehicle compulsory speed limit and pedestrains safety provide powerful guarantee.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Wherein: 1, Wi-Fi wireless transmitter module; 2, Wi-Fi wireless receiving module; 3, speed detection module; 4, signal processing module; 5, speed comparison module; 6, sound and light alarm module; 7, deceleration execution module; 8, power module A; 9, power module B; 10, power module C.
The specific embodiment
Accompanying drawing discloses the structural representation of the related preferred embodiment of the utility model without limitation; Explain the technical solution of the utility model below with reference to accompanying drawing.
As shown in Figure 1, automatic speed limit device of car based on the Wi-Fi transmission over radio described in the utility model, comprise the Wi-Fi wireless transmitter module that is installed on the speed limit guideboard and be installed in integrated circuit board on the automobile, this integrated circuit board comprises Wi-Fi wireless receiving module, automobile driving speed detection module, signal processing module, speed comparison module, sound and light alarm module, deceleration execution module; Wherein: the Wi-Fi wireless transmitter module is used for velocity constraint signal corresponding to wireless Wi-Fi transmission speed limit guideboard; The Wi-Fi wireless receiving module is used for receiving the velocity constraint signal that the Wi-Fi wireless transmitter module transmits; The automobile driving speed detection module, for detection of automobile current driving speed signal, the car speed information that the speed detection module adopts the GPS navigation system to provide; Signal processing module is used for the automobile current driving speed signal that the automobile driving speed detection module detects is processed; The speed comparison module is used for automobile current driving speed signal and the received velocity constraint signal of Wi-Fi wireless receiving module that the comparison signal processing module is exported; The sound and light alarm module is by controlling acoustic-optic alarm to warn automobile current driving speed signal greater than the velocity constraint signal; The deceleration execution module is used for after the sound and light alarm caution, and automobile current driving speed signal is still carried out engine retard greater than the automobile of velocity constraint signal and travelled.Wi-Fi wireless transmitter module and Wi-Fi wireless receiving module all adopt Marvell chip Avastar 88W8797.This integrated chip is the integrated chip of a high data rate, High Performance, multiinput-multioutput.Support the IEEE802.11b/g/n wireless technology, maximum speed is 300Mbps, supports bluetooth 4.0 and FM transmitting-receiving, is incorporated among the single-chip SoC, and this chip has powerful power management capabilities, satisfies the requirement of the Car Automatic Speed Limit of busy highway transmission over radio.
Principle of work: when running car to speed-limit road section the time, Wi-Fi wireless receiving module 2 receives and comes from the road speed-limiting messages that Wi-Fi wireless sending module 1 sends, on the other hand, after car speed checking system 3 detects the vehicle velocity information, after delivering to signal processing module 4 and processing, in speed comparison module 5, compare with the road speed-limiting messages, if the speed of a motor vehicle does not surpass speed limit, then keep the original motoring condition of automobile, if the speed of a motor vehicle surpasses speed limit, at first sound and light alarm module 6 is sent sound and light alarm, after the sound and light alarm 5 seconds, if still surpass speed limit, then send signal to deceleration execution module 7,7 actions of deceleration execution module force vehicle to carry out speed-down action.
Claims (3)
1. automatic speed limit device of car based on the Wi-Fi transmission over radio, it is characterized in that: comprise the Wi-Fi wireless transmitter module that is installed on the speed limit guideboard and be installed in integrated circuit board on the automobile, this integrated circuit board comprises Wi-Fi wireless receiving module, automobile driving speed detection module, signal processing module, speed comparison module, sound and light alarm module; Wherein: the Wi-Fi wireless transmitter module is used for velocity constraint signal corresponding to wireless Wi-Fi transmission speed limit guideboard; The Wi-Fi wireless receiving module is used for receiving the velocity constraint signal that the Wi-Fi wireless transmitter module transmits; The automobile driving speed detection module is for detection of automobile current driving speed signal; Signal processing module is used for the automobile current driving speed signal that the automobile driving speed detection module detects is processed; The speed comparison module is used for automobile current driving speed signal and the received velocity constraint signal of Wi-Fi wireless receiving module that the comparison signal processing module is exported; The sound and light alarm module is by controlling acoustic-optic alarm to warn automobile current driving speed signal greater than the velocity constraint signal.
2. described automatic speed limit device of car based on the Wi-Fi transmission over radio according to claim 1, it is characterized in that: described integrated circuit board also comprises the deceleration execution module, this deceleration execution module is used for after the sound and light alarm caution, and automobile current driving speed signal is still carried out engine retard greater than the automobile of velocity constraint signal and travelled.
3. described automatic speed limit device of car based on the Wi-Fi transmission over radio according to claim 1, it is characterized in that: Wi-Fi wireless transmitter module and Wi-Fi wireless receiving module are Marvell chip Avastar 88W8797.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059579 CN202641678U (en) | 2012-02-23 | 2012-02-23 | Automobile automatic speed-limiting device based on Wi-Fi wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220059579 CN202641678U (en) | 2012-02-23 | 2012-02-23 | Automobile automatic speed-limiting device based on Wi-Fi wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641678U true CN202641678U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220059579 Expired - Fee Related CN202641678U (en) | 2012-02-23 | 2012-02-23 | Automobile automatic speed-limiting device based on Wi-Fi wireless transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177594A (en) * | 2013-03-01 | 2013-06-26 | 中原工学院 | System and method for wirelessly and intelligently detecting and monitoring speeds of vehicles on highway |
-
2012
- 2012-02-23 CN CN 201220059579 patent/CN202641678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177594A (en) * | 2013-03-01 | 2013-06-26 | 中原工学院 | System and method for wirelessly and intelligently detecting and monitoring speeds of vehicles on highway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Danyang hurricane logistics incorporated company Assignor: Nanjing University of Information Science and Technology Contract record no.: 2013320000651 Denomination of utility model: Automobile automatic speed-limiting device based on Wi-Fi wireless transmission Granted publication date: 20130102 License type: Exclusive License Record date: 20130719 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20160223 |