CN202357880U - Overload speed limiting device of motor bus - Google Patents
Overload speed limiting device of motor bus Download PDFInfo
- Publication number
- CN202357880U CN202357880U CN2011205092016U CN201120509201U CN202357880U CN 202357880 U CN202357880 U CN 202357880U CN 2011205092016 U CN2011205092016 U CN 2011205092016U CN 201120509201 U CN201120509201 U CN 201120509201U CN 202357880 U CN202357880 U CN 202357880U
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- overload
- pressure sensor
- limiting device
- motor
- pedal
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Abstract
The utility model discloses an overload speed limiting device of a motor bus, comprising a pressure sensor which is mounted below a car door pedal and a pedal limiting device arranged on an accelerator pedal, wherein the pedal limiting device is further connected with a motor; the motor is connected with a driving circuit; and the pressure sensor and the driving circuit are respectively connected with a single chip microcomputer. The device is simple in structure, easy to arrange and easy to realize, and can effectively restrain the overload of vehicles. Furthermore, a memorizer which is additionally arranged on the single chip microcomputer can record overloading information so as to provide powerful data supports for defining and dividing accident liability.
Description
Technical field
The utility model belongs to the process control field, relates to the auxiliary device of vehicle, is specifically related to a kind of overload speed-limit device of motorcoach.
Background technology
The overload of vehicle transfinites to become influences the maximum hidden danger of safety traffic.Transfiniting now mainly is motorcoach and truck, because the truck moving velocity is low, and the occupant is few, and therefore, motorcoach overcrowding just becomes influences the go on a journey potential safety hazard of maximum of people.The overload of vehicle is transfinited not only violating the regulations, and concerns occupant's on the car personal safety.At present, China's overload of vehicle phenomenon ubiquity that transfinites, only rely on fine fundamentally limiting overload transfinite, and the probability of overloaded vehicle hypervelocity back occurrence of traffic accident increases greatly.After overload of vehicle transfinited, the state of kinematic motion of itself was just wayward, if exceed the speed limit again; Vehicle is get out of hand very easily just, and still, overload is transfinited does not have the rational and effective measure to stop at present; Cause some car owner to bore legal loophole, the overload of making a desperate move is solicited guests or diners, and finally leads to the catastrophe of car crash; Yet, the present device that does not still have special limiting overload speed limit, therefore; Necessary overloaded vehicle is carried out strict speed limit, let overload overrun vehicle low cruise all the time, thereby reduce the occurrence frequency of traffic accident.
Summary of the invention
To defective of the prior art or deficiency, the purpose of the utility model is, a kind of motorcoach overload speed-limit device is provided.
For realizing above-mentioned technical assignment, the utility model is taked following technical solution:
A kind of motorcoach overload speed-limit device; It is characterized in that; Comprise pressure sensor that is installed in below the car door pedal and the pedal limiting device that is installed in Das Gaspedal; Also be connected with motor on the pedal limiting device, be connected with driving circuit on the motor, pressure sensor is connected with a micro controller system respectively with driving circuit.
Other characteristics of the utility model are:
Said pressure sensor is selected the HK-610G pressure sensor.
Said micro controller system adopts the MC9S12XS128 micro controller system.
The motorcoach overload speed-limit device of the utility model; Utilization is installed in the HK-610G high-precision pressure sensor of passenger car pedal below; The personnel that get on or off the bus are counted and weight is added up, number that collects and weight are directly sent into main control unit, in micro controller system; Allow passenger capacity to compare with actual seating capacity and from car, and then can judge whether this car overloads.If overload then makes motor rotation through Single-chip Controlling drive motor circuit, and the rotating shaft of Das Gaspedal limiting device is protruding, the stroke of restriction Das Gaspedal, and then with the speed limit of overloaded vehicle in low-speed range, forbid its hypervelocity.This device is simple and practical, can effectively prevent to exceed the speed limit behind the overload of vehicle again, thereby can reduce the traffic accident that is caused by hypervelocity indirectly, and this apparatus structure is simple, realizes that easily it is easy to put, and is easy to realize.But also can overload information be noted through the memory device that increases on the micro controller system, for later accident liability defines, divides the data support that provides strong.Also can further be equipped with wireless transmitting-receiving equipments, in the time of in overloaded vehicle entering traffic police's wireless transmitting-receiving equipments work area, vehicle just sends information to the traffic police, and informing near the traffic police has passenger carriage overloading, like this, can contain the overload of vehicle by actv..
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is the motor-drive circuit schematic diagram.
Below in conjunction with the specific embodiment the utility model is done further to explain.
The specific embodiment
Referring to Fig. 1; Present embodiment provides a kind of motorcoach overload speed-limit device; Comprise the pressure sensor that is installed in below the car door pedal, be installed in the pedal limiting device of Das Gaspedal, also be connected with motor on the pedal limiting device; Be connected with driving circuit on the motor, pressure sensor is connected with a micro controller system respectively with driving circuit.
In the present embodiment, pressure sensor is selected the HK-610G pressure sensor.Micro controller system adopts the MC9S12XS128 micro controller system.Its cardinal principle is, the HK-610G pressure sensor that is installed in below the car door pedal is added up the occupant's that gets on or off the bus quantity and weight.As long as car door opening opens a button and can connect the HK-610G pressure sensor circuit, the work of HK-610G pressure sensor, if closing of the door, at this moment, the HK-610G pressure sensor circuit breaks off, the HK-610G pressure sensor quits work.
Behind the car door opening, when passenger loading, the HK-610G pressure sensor will be noted the number and the weight of getting on the bus; This device adopts two pressure sensors that model is identical; All be arranged on the below of two-stage step pedal, the pressure sensor of secondary two-stage step pedal below is labeled as 1,2 respectively.Is 1 pressure sensor as the people Shi Huixian that gets on the bus through label, and the back is through second pressure sensor, and when the someone got on the bus, sensor can be exported high level, if when the signal sequence that micro controller system receives is 1-2, explain has the people to get on the bus at this moment, and number will add 1; When the people got off, the signal sequence that micro controller system receives was 2-1, and this moment, number subtracted 1.So just can guarantee the accuracy of statistical number of person.And can the voltage signal of pressure sensor be changed into weight, vehicle capacity is added up.
After statistical number of person or load carrying ability surpass vehicle and allow load; Micro controller system will be given driving circuit (Fig. 2) power supply of motor, and confirms length current"on"time according to the number and the overload capacity of overload, if overload capacity is very big; Current"on"time is just long; The pedal limiting device that lets driven by motor rotate is tried one's best to overhanging, thereby limits pedal stroke to greatest extent, and this has just reduced the speed of operation of overloaded vehicle.After passengers inside the car were allowing in the passenger capacity scope, at this moment, micro controller system provided reverse voltage to motor again, let motor reverse, and drove limiting device and shrank, and removed the restriction to pedal.This device can be according to the difference of overload capacity, and automatically regulating limiting device stroke reaches the restriction to the Das Gaspedal stroke.
With reference to Fig. 2, motor-drive circuit adopts known H bridge circuit, and principle of work is: the H bridge is by the aerotron G1 of two positive-negative-positives, G2 and two NPN type triode G3, G4.M is an electrical motor, and R is a current-limiting resistance, control end A wherein, and the B current potential is opposite all the time, and when supplying 3 volts voltages for the H bridge, and the A end is during for high level, and the B end is low level, at this moment, and G1, the G4 conducting, G2, G3 end, and this moment, motor just changeed, and drive limiting device shaft extension goes out; Be low level when A holds, then the B end is high level, at this moment, the motor counter-rotating, the rotating shaft of drive limiting device is shunk.
Certainly, can also overload information be noted, for later accident liability defines, divides the data support that provides strong through the memory device that increases on the micro controller system.Also can further be equipped with wireless transmitting-receiving equipments, in the time of in overloaded vehicle entering traffic police's wireless transmitting-receiving equipments work area, vehicle just sends information to the traffic police, and informing near the traffic police has passenger carriage overloading, like this, can contain the overload of vehicle by actv..
Claims (5)
1. motorcoach overload speed-limit device; It is characterized in that; Comprise the pressure sensor that is installed in below the car door pedal, be installed in the pedal limiting device of Das Gaspedal, also be connected with motor on the pedal limiting device; Be connected with driving circuit on the motor, pressure sensor is connected with a micro controller system respectively with driving circuit.
2. motorcoach overload speed-limit device as claimed in claim 1 is characterized in that said pressure sensor is selected the HK-610G pressure sensor.
3. motorcoach overload speed-limit device as claimed in claim 1 is characterized in that said micro controller system adopts the MC9S12XS128 micro controller system.
4. motorcoach overload speed-limit device as claimed in claim 1 is characterized in that, is connected with memory device on the described micro controller system.
5. motorcoach overload speed-limit device as claimed in claim 1 is characterized in that on the described micro controller system wireless transmitting-receiving equipments being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205092016U CN202357880U (en) | 2011-12-08 | 2011-12-08 | Overload speed limiting device of motor bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205092016U CN202357880U (en) | 2011-12-08 | 2011-12-08 | Overload speed limiting device of motor bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357880U true CN202357880U (en) | 2012-08-01 |
Family
ID=46569090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205092016U Expired - Fee Related CN202357880U (en) | 2011-12-08 | 2011-12-08 | Overload speed limiting device of motor bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192712A (en) * | 2013-04-07 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Vehicle speed limiting system |
| CN108871533A (en) * | 2018-08-13 | 2018-11-23 | 安徽安凯汽车股份有限公司 | A kind of carload number detection method and system |
| CN110853200A (en) * | 2019-11-29 | 2020-02-28 | 河南职业技术学院 | Device for limiting number of people in closed occasions |
-
2011
- 2011-12-08 CN CN2011205092016U patent/CN202357880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192712A (en) * | 2013-04-07 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Vehicle speed limiting system |
| CN108871533A (en) * | 2018-08-13 | 2018-11-23 | 安徽安凯汽车股份有限公司 | A kind of carload number detection method and system |
| CN110853200A (en) * | 2019-11-29 | 2020-02-28 | 河南职业技术学院 | Device for limiting number of people in closed occasions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20121208 |