CN208149151U - A kind of low attachment pavement monitoring vehicle - Google Patents
A kind of low attachment pavement monitoring vehicle Download PDFInfo
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- CN208149151U CN208149151U CN201820556880.4U CN201820556880U CN208149151U CN 208149151 U CN208149151 U CN 208149151U CN 201820556880 U CN201820556880 U CN 201820556880U CN 208149151 U CN208149151 U CN 208149151U
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- vehicle
- pedal position
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- position sensor
- brake pedal
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Abstract
The utility model discloses a kind of low attachment pavement monitoring vehicles,Including vehicle ontology,Information of road surface acquisition device is provided on vehicle ontology,Vehicle carried pick device and in-vehicle wireless communication device,Information of road surface acquisition device includes wheel speed sensors,Vehicle speed sensor,Brake pedal position sensor,Accelerator pedal position sensor and vehicle-mounted computer,Wheel speed sensors are magneto-electric type wheel speed sensor,It is installed on main reducing gear,Vehicle speed sensor is Hall-type vehicle speed sensor,It is installed on Driven hub,Brake pedal position sensor is installed below brake pedal,Accelerator pedal position sensor is potentiometer-type throttle position switch,It is installed on inside gas pedal,Wheel speed sensors,Vehicle speed sensor,Brake pedal position sensor and accelerator pedal position sensor are electrically connected with vehicle-mounted computer respectively,The vehicle-mounted computer and vehicle carried pick device is connected with in-vehicle wireless communication device,In-vehicle wireless communication device is used for monitoring car and PERCOM peripheral communication.
Description
Technical field
The utility model relates to field of road traffic safety, relate in particular to a kind of low attachment pavement monitoring vehicle.
Background technique
When travelling or braking on low attachment coefficient road surface, wheel is easy failure mode and causes to lose control of one's vehicle vehicle.It is low
Temperature, rain and snow weather have buried huge security risk, especially mountain area section, the wheel in local section to express way driving safety
The low attachment coefficient in tire-road surface will lead to vehicle and unstable state occurs, may cause a series of major traffic accidents.
For assessing whether road is low attachment road surface, wheel skid rate can simplify to be defined as wheel skid rate：Set sliding ratio absolute value threshold value S1, when | S | more than S1When, vehicle is judged by brake pedal position sensor
Be in on-position or driving condition, if vehicle be in on-position, by compare the moment brake pedal position believe
Cease XkWith last moment brake pedal position information Xk-1Judge that wheel skid rate is abnormal whether due to the instantaneous mistake of brake braking force
Cause greatly；If vehicle is in driving condition, pass through comparison moment accelerator pedal position information YkIt is stepped on last moment throttle
Board position information Yk-1Judge whether sliding ratio causes extremely since the instantaneous driving force of wheel is excessive；If exclude sliding ratio is extremely
Caused by both the above reason, then determines that road surface is low attachment road surface.
With the development of automotive engineering, coefficient of road adhesion estimating techniques can monitor road attachment in vehicle travel process
Coefficient, by the control of ECU (vehicle-mounted computer), in conjunction with Anti-slip regulation system and anti-blocking brake system, by wheel skid rate control
System substantially increases driving and the braking safety of vehicle in metastable range.
After 3rd generation mobile communication technology (3G) occurs so that high speed data transfer is realized, for sound with
And the information such as data network can be transmitted by wireless communication.And 3G network coverage rate is wider at present, has and preferably may be used
By property.
Beidou satellite navigation system provided testing service to China and periphery since 2011, formally mentioned in December, 2012
For the urban satellite navigation service, service range can cover Asia-Pacific most area.
Summary of the invention
The purpose of this utility model is that fixed using automotive field new technology and current wireless communication technique and the whole world
A kind of Technology design low attachment pavement monitoring vehicle in position makes up the deficiency in terms of the low attachment road surface danger early warning of present road, improves
High speed traveling safety under local section adverse weather condition.
To achieve the above object, the utility model proposes a kind of low attachment pavement monitoring vehicle, specific technical solution is as follows：
A kind of low attachment pavement monitoring vehicle, including vehicle ontology, be provided on the vehicle ontology information of road surface acquisition device,
Vehicle carried pick device and in-vehicle wireless communication device, the information of road surface acquisition device include wheel speed sensors, speed sensing
Device, brake pedal position sensor, accelerator pedal position sensor and vehicle-mounted computer；The wheel speed sensors are magneto-electric wheel
Fast sensor, is installed on main reducing gear, using electromagnetic induction principle detection driving wheel linear velocity as wheel speed；The speed
Sensor is Hall-type vehicle speed sensor, is installed on Driven hub, detects driven wheel linear velocity using Hall effect principle,
As speed；The brake pedal position sensor is installed below brake pedal, can be former using differential type hall measurement
Reason realizes the measurement to brake pedal position rotation angle；The accelerator pedal position sensor is potentiometer-type throttle position
Sensor is installed on inside gas pedal, and when accelerator pedal position changes, the voltage of sensor internal brush and ground terminal occurs
Change, which is changed into accelerator pedal position signal by ECU；The wheel speed sensors, vehicle speed sensor, braking are stepped on
Board position sensor and accelerator pedal position sensor are electrically connected with vehicle-mounted computer respectively, the vehicle-mounted computer and vehicle positioning
Device is connected with in-vehicle wireless communication device, and in-vehicle wireless communication device is used for monitoring car and PERCOM peripheral communication.
Wheel speed sensors, vehicle speed sensor, brake pedal position sensor and accelerator pedal position sensor acquire wheel speed
Information, vehicle speed information, brake pedal position information and accelerator pedal position information for analyzing wheel skid rate, and then determine
Whether road surface is low attachment road surface.
Preferably, the in-vehicle wireless communication device is communicated using 3G communication network with outside.3G communication network
Have many advantages, such as that coverage rate is wide, communication efficiency is higher, can pass the information in time in mountain area section to information platform.
Preferably, the vehicle carried pick device uses Beidou satellite navigation module, and service range can cover the big portion in Asia-Pacific
Region-by-region.
The utility model has the advantage that as follows compared with prior art：
1) the low attachment pavement monitoring vehicle of the utility model, the convenient monitoring to low attachment road surface, obtains road-adhesion coefficient
Information, and by information, module is sent to various alarm sets by wireless communication, such as online navigation, broadcast and road surface LED warning
Board etc. drives with caution for reminding numerous drivers, reduces traffic accident.
2) wheel speed sensors, vehicle speed sensor, brake pedal position sensor and accelerator pedal position sensor installation position
It sets rationally, the relevant parameter information of acquisition is more accurate, reduces wheel skid rate and calculates analytical error, improves low attachment road surface report
Alert accuracy.
3) associated components needed for the utility model are adapted for mounting to various vehicles, such as long-distance bus, city bus etc.,
Be conducive to obtain a wide range of road surface attachment information of urban road, highway and mountain area section.
Detailed description of the invention
Fig. 1 is the low attachment pavement monitoring vehicle operation schematic diagram of one kind of the utility model.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawing, convenient for the utility model is well understood.
As shown in Figure 1, a kind of low attachment pavement monitoring vehicle, including vehicle ontology, road surface is provided on the vehicle ontology and is believed
Acquisition device, vehicle carried pick device and in-vehicle wireless communication device are ceased, the information of road surface acquisition device includes wheel speed sensing
Device, vehicle speed sensor, brake pedal position sensor, accelerator pedal position sensor and vehicle-mounted computer；The wheel speed sensing
Device is magneto-electric type wheel speed sensor, is installed on main reducing gear, using electromagnetic induction principle detection driving wheel linear velocity as wheel
Speed；The vehicle speed sensor is Hall-type vehicle speed sensor, is installed on Driven hub, is detected using Hall effect principle
Driven wheel linear velocity, as speed；The brake pedal position sensor is installed below brake pedal, suddenly using differential type
Your measuring principle realizes the measurement to brake pedal position rotation angle；The accelerator pedal position sensor is potentiometer-type
Throttle position switch is installed on inside gas pedal, when accelerator pedal position changes, sensor internal brush and ground terminal
Voltage changes, which is changed into accelerator pedal position signal by ECU；The wheel speed sensors, speed sensing
Device, brake pedal position sensor and accelerator pedal position sensor are electrically connected with vehicle-mounted computer respectively, the vehicle-mounted computer
It is connected with vehicle carried pick device with in-vehicle wireless communication device, in-vehicle wireless communication device is for monitoring car and external information platform
Communication.In-vehicle wireless communication device is communicated using 3G communication network and external information platform.3G communication network has covering
The advantages that rate is wide, and communication efficiency is higher can pass the information in mountain area section to information platform in time.The vehicle positioning dress
It sets using Beidou satellite navigation module, service range can cover Asia-Pacific most area.
Wheel speed sensors, vehicle speed sensor, brake pedal position sensor and accelerator pedal position sensor acquire wheel speed
Information, vehicle speed information, brake pedal position information and accelerator pedal position information for analyzing wheel skid rate, and then determine
Whether road surface is low attachment road surface.
The low attachment pavement monitoring vehicle of the utility model crosses road surface, wheel speed sensors, vehicle speed sensor, brake pedal position
Sensor and accelerator pedal position sensor obtain tire rotational speed information, vehicle speed information, brake pedal position information and oil respectively
Door pedal position information, and vehicle-mounted computer is passed information to, vehicle-mounted computer can be calculated according to above- mentioned information when front vehicle wheel is sliding
Dynamic rate judges whether road surface locating for monitoring car is low attachment by the comparison of current wheel skid rate and wheel skid rate threshold value
Road surface, if information and road are adhered to for low attachment road surface, vehicle-mounted computer and vehicle carried pick device in road surface by road surface locating for monitoring car
Face positioning is sent to external information platform can be further by low attachment information of road surface and road surface after information platform receives information
Positioning is sent to online navigation, broadcast and road surface LED warning sign etc., for reminding numerous drivers.
Claims (3)
1. a kind of low attachment pavement monitoring vehicle, including vehicle ontology, which is characterized in that be provided with information of road surface on the vehicle ontology
Acquisition device, vehicle carried pick device and in-vehicle wireless communication device, the information of road surface acquisition device include wheel speed sensors,
Vehicle speed sensor, brake pedal position sensor, accelerator pedal position sensor and vehicle-mounted computer, the wheel speed sensors
It for magneto-electric type wheel speed sensor, is installed on main reducing gear, the vehicle speed sensor is Hall-type vehicle speed sensor, is installed on
On Driven hub, the brake pedal position sensor is installed below brake pedal, and the accelerator pedal position passes
Sensor be potentiometer-type throttle position switch, be installed on inside gas pedal, the wheel speed sensors, vehicle speed sensor,
Brake pedal position sensor and accelerator pedal position sensor are electrically connected with vehicle-mounted computer respectively, the vehicle-mounted computer and vehicle
It carries positioning device to be connected with in-vehicle wireless communication device, in-vehicle wireless communication device is used for monitoring car and PERCOM peripheral communication.
2. low attachment pavement monitoring vehicle as described in claim 1, which is characterized in that the in-vehicle wireless communication device is adopted
It is communicated with 3G communication network with outside.
3. low attachment pavement monitoring vehicle as described in claim 1, which is characterized in that the vehicle carried pick device uses Beidou
Satellite navigation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556880.4U CN208149151U (en) | 2018-04-18 | 2018-04-18 | A kind of low attachment pavement monitoring vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556880.4U CN208149151U (en) | 2018-04-18 | 2018-04-18 | A kind of low attachment pavement monitoring vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208149151U true CN208149151U (en) | 2018-11-27 |
Family
ID=64379840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820556880.4U Expired - Fee Related CN208149151U (en) | 2018-04-18 | 2018-04-18 | A kind of low attachment pavement monitoring vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208149151U (en) |
-
2018
- 2018-04-18 CN CN201820556880.4U patent/CN208149151U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20190418 |