Utility model content
The purpose of this utility model is to provide a kind of early warning system, to solve above-mentioned problem.
A kind of early warning system that this utility model provides, including: for warning the triangle brand of vehicle trouble, prior-warning device and the receiver carried by automobile being arranged on vehicle, described prior-warning device is arranged on described triangle brand, described receiver carried by automobile is connected with the primary processor of the car running computer of vehicle, described prior-warning device includes sensing unit, first processor and wireless transmitting unit, described sensing unit couples with described first processor, described first processor couples with described wireless transmitting unit, and described wireless transmitting unit couples with described receiver carried by automobile.
Preferably, described receiver carried by automobile includes radio receiving unit and the second processor, described wireless transmitting unit couples with described radio receiving unit, and described radio receiving unit couples with described second processor, and described second processor couples with the primary processor of the car running computer of described vehicle.
Preferably, described sensing unit includes that acceleration transducer, described acceleration transducer couple with described first processor.
Preferably, described sensing unit also includes that microwave remote sensor, described microwave remote sensor couple with described first processor.
Preferably, described sensing unit also includes that signal processing circuit, described acceleration transducer couple with described signal processing circuit, and described signal processing circuit couples with described first processor.
Preferably, described sensing unit also includes that signal conditioning circuit, described microwave remote sensor couple with described signal conditioning circuit, and described signal conditioning circuit couples with described first processor.
Preferably, described prior-warning device also includes that key input unit and display unit, described key input unit and display unit all couple with described first processor.
Preferably, described wireless transmitting unit is purple honeybee emitter, and described radio receiving unit is purple honeybee receptor.
Preferably, described receiver carried by automobile also includes that wireless communication unit, described second processor couple with described wireless communication unit.
Preferably, described prior-warning device also includes Power Management Unit, and Power Management Unit couples with described sensing unit and described first processor respectively.
In this utility model embodiment, the prior-warning device installed on triangle brand can be when the numerical exception that vehicular traffic makes the sensing unit of described prior-warning device gather, send alarm signal to receiver carried by automobile, receiver carried by automobile sends sound and light alarm by car light and the loudspeaker of car running computer control vehicle, make the timely hedging of maintainer of fault car, overcome conventional traffic alarming triangle function and the deficiency of effect, changing conventional traffic alarming triangle passive type anti-is the active anti-pre-of this device in advance, effectively to strengthen the safety of existing traffic warning board, effectively ensure the life security of fault car personnel.
Other feature and advantage of the present utility model will illustrate in description subsequently, and, partly become apparent from description, or understand by implementing this utility model embodiment.The purpose of this utility model and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear, complete description, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullDuring in order to reduce vehicular traffic driver not to be noted triangle brand or notice triangle brand but cannot dodge,Vehicular traffic will be broken through alarming triangle and hit fault car,Great danger is caused to fault car personnel,This utility model embodiment provides a kind of early warning system,As shown in Figure 1,Including: triangle brand、Prior-warning device and receiver carried by automobile 104,Described prior-warning device is arranged on the triangle brand for warning vehicle trouble,Receiver carried by automobile 104 is arranged on vehicle,It is connected with the primary processor of the car running computer of vehicle,The car running computer of vehicle controls light on and off and the loudspeaker opening and closing of the car light of vehicle,Described prior-warning device includes sensing unit 101、First processor 102 and wireless transmitting unit 103,Described sensing unit 101 couples with described first processor 102,Described first processor 102 couples with described wireless transmitting unit 103,Described wireless transmitting unit 103 couples with described receiver carried by automobile 104.
In this utility model embodiment, the prior-warning device installed on triangle brand can be when the numerical exception that vehicular traffic makes the sensing unit 101 of described prior-warning device gather, send alarm signal to receiver carried by automobile 104, receiver carried by automobile 104 sends sound and light alarm by car light and the loudspeaker of car running computer control vehicle, make the timely hedging of maintainer of fault car, overcome conventional traffic alarming triangle function and the deficiency of effect, changing conventional traffic alarming triangle passive type anti-is the active anti-pre-of this device in advance, effectively to strengthen the safety of existing traffic warning board, effectively ensure the life security of fault car personnel.
Sensing unit 101 is for gathering the data message of triangle brand, it is judged that whether the data message gathered meets default value scope, if so, sends alarm command to described receiver carried by automobile 104;Described receiver carried by automobile 104 is for controlling the sound and light alarms such as car light or the loudspeaker of vehicle.
Wherein, the data that sensing unit 101 gathers include angle of inclination when warning sign is knocked down, speed, acceleration or the distance etc. with vehicular traffic when being knocked down, wherein, with the distance of vehicular traffic can be and the distance of warning sign front vehicle.
As shown in Figure 2, described prior-warning device includes: sensing unit 201 and first processor 202, described sensing unit 201 includes acceleration harvester, wherein, described acceleration harvester includes acceleration transducer 2011 and signal processing circuit 2012, acceleration transducer 2011 is a kind of electronic equipment that can measure acceleration, and signal processing circuit 2012 is the pretreatment to the signal that acceleration transducer 2011 gathers, and can include the amplification of analog digital conversion, signal or filtering etc..
In this utility model embodiment, described acceleration transducer 2011 is microelectromechanical systems (micro-electrical mechanical system, MEMS) acceleration transducer 2011, its operation principle is to be provided with micromachine spring on silicon chip, the acceleration of object is measured by detecting the displacement of this spring, there is volume little, the feature such as good directionality.Described signal processing circuit 2012 includes: capacitance-voltage converter, amplifier and analog-digital converter, the operation principle using MEMS acceleration transducer 2011 uses principle based on capacitance measurement mostly, the capacitance variations that described MEMS acceleration transducer 2011 causes because of external force is converted to voltage signal by described capacitance-voltage converter, after signal being amplified through amplifier, digital signal is converted analog signals into by analog-digital converter, input described first processor 202, thus complete the measurement of acceleration.
Additionally, described signal processing circuit 2012 can also include: variable connector and controller, when data acquisition, actual samples point can up to tens the most up to a hundred, when needs carry out analog to digital conversion to multiple analog quantitys, owing to the price comparison of analog-digital converter is expensive, the most each analog input channel arranges an analog-digital converter, but multichannel input analog amount shares an A/D.An electrical switch is generally had in analog-digital converter, it is to be controlled analogue signal break-make one circuit by digital electronic logic, the electrical switch being generally made up of types such as bipolar transistor, technotron or metal oxide semiconductor field effect tubes, because, in this utility model embodiment, the selection of described variable connector is controlled by triggering level by described controller.
In this utility model embodiment, the annexation of each module of described signal processing circuit 2012 may is that described acceleration transducer 2011 is connected with described variable connector, described variable connector, capacitance-voltage converter, amplifier and analog-digital converter are sequentially connected with, the digital signal output end of described analog-digital converter couples with described first processor 202, and described controller is connected with the control end of described variable connector.
As shown in Figure 2, described sensing unit 201 also includes range unit, described range unit can be laser ranging system, can also be supersonic range finder, infrared distance measurement device or the range unit of other modes, in this utility model embodiment, preferential, described range unit is microwave distance measuring device, described range unit includes: microwave remote sensor 2013 and signal conditioning circuit 2014, described microwave remote sensor 2013 is to be sent microwave by transmitting antenna, to be absorbed or reflected when this ripple runs into testee, and make microwave power send change.If utilizing reception antenna, receive by testee or the microwave that reflected by testee, and convert it to the signal of telecommunication, again after the amplification of described signal conditioning circuit 2014, filtering etc. process, it is input to described first processor 202, described first processor 202 calculates and the distance by reflection object.
Described signal conditioning circuit 2014 includes: pre-amplifier, wave filter and window comparator, when reality is measured, whether the analog signal voltage sometimes for detection input enters a certain specific scope, the comparator completing this function becomes window comparator, window comparator is used for detecting input signal whether between two threshold voltages, when the value of measured voltage exceedes prescribed limit, just send instruction.
Additionally, described prior-warning device also includes: key input unit 204, lbd display unit 203, wireless transmitting unit 205, first Power Management Unit 206 and the first power protection unit 207, described key input unit 204 is for changing the setting of described prior-warning device, such as, change is for judging whether the first default value reported to the police and for the second default value judging whether to report to the police according to microwave remote sensor 2013 output signal according to the output signal of acceleration transducer 2011, wherein, described lbd display unit 203 shows corresponding information for the instruction according to first processor 202, such as, first default value, the size of the second default value, other information can certainly be shown.
Wherein, lbd display unit 203 can also be replaced by other display device, such as, and LCDs etc..
Described first Power Management Unit 206 is described prior-warning device power supply state and charged state for management; described first power protection unit 207 is for protecting the normal work of battery charging and power supply, and such as can include charging overcharges protection and the overload protection of power supply or the function of short-circuit protection.
As shown in Figure 3, described receiver carried by automobile includes radio receiving unit 301 and the second processor 302, described wireless transmitting unit 205 couples with described radio receiving unit 301, described radio receiving unit 301 couples with described second processor 302, and described second processor 302 couples with the primary processor of the car running computer 304 of described vehicle.
It addition, in this utility model embodiment, described wireless transmitting unit 205 is zigbee emitter, described radio receiving unit 301 is zigbee receptor.
Additionally; second source administrative unit and second source protected location can also be included; wherein; described second source administrative unit is described receiver carried by automobile power supply situation for management; described second source protected location for protecting the normal work of power supply, such as, can include the function of overload protection or short-circuit protection.
Therefore, in this utility model embodiment, on usual road, breaking down or during vehicle accident, alarming triangle is put at 50 meters to 100 meters of car rear by driver, and on a highway, then to put the place beyond 150 meters after car, if meeting misty rain weather, in addition it is also necessary to distance will be put and rise to 200 meters, and be used for warning vehicular traffic to detour.
Cannot detour when vehicular traffic and clash into alarming triangle, the shock of vehicular traffic makes alarming triangle be subjected to displacement, tilts or overturning, the impulsive force born is converted to input extremely described first processor 202 after voltage signal by described acceleration transducer 2011, wherein, input signal can be by I2C bus to the mode of described first processor 202.
Described first processor 202 calculates at least one of the acceleration of the most described alarming triangle or angular velocity according to the voltage signal of described acceleration transducer 2011 output obtained, judge that whether described acceleration is more than the first default value, wherein, described first default value is a default empirical value, when less than the first default value, show that the movement of described alarming triangle is the least, do not occur by the situation of Vehicular impact, when higher than the first default value, then show that described alarming triangle is hit, need to report to the police, therefore, when described first processor 202 is for judging the described acceleration information obtained more than the first default value, send alarm command to described vehicle alarming device, to indicate described vehicle alarming device to report to the police.
Wherein, described alarm command is inputted described radio receiving unit 301 by described wireless transmitting unit 205, after inputting described second processor 302 again, after the process of described second processor 302, send control instruction to car running computer 304, car running computer 304 control the car light of vehicle and loudspeaker are opened to send sound and light alarm.
Additionally, when knocking warning sign in order to avoid vehicular traffic, although alarm device sends warning, but, due to vehicle trouble, personnel have little time hedging, and lead to a disaster, this utility model embodiment also provides for be improved further the effect of accident early warning by microwave remote sensor 2013, and specific embodiment is:
When vehicular traffic enters in the preset range of warning sign, the microwave signal that described microwave remote sensor 2013 sends is gathered by described microwave remote sensor 2013 after vehicular traffic reflects, described microwave remote sensor 2013 by the reflected microwave signal that gathered through the amplification of later stage circuit, shaping, filtering and the level obtained more afterwards are input to described first processor 202, described first processor 202 judges that whether the level obtained is more than the numerical value preset, if, then represent that surrounding vehicles is too small with the distance of described warning sign, the most described range information is less than the second default value, then send alarm command to receiver carried by automobile, so that automobile sound and light alarm.
In this utility model embodiment, the distance of described traffic warning board and vehicular traffic can be analyzed by microwave remote sensor 2013 and first processor 202, vehicular traffic and traffic warning board hypotelorism alarm is realized by the size judging described distance, can also not limit at this by judging that the powerful of the reflected microwave signal being reflected back by surrounding vehicles that microwave remote sensor 2013 gathers judges that vehicular traffic is the nearest with traffic warning board distance.
Therefore, in this utility model embodiment, it is possible to when vehicle is too close to warning sign, automatic alarm, remind the neighbouring timely hedging of personnel, enhance the reliability of this device.
nullIn this utility model embodiment,Can be according to actually used situation,Independent assortment warning based on acceleration transducer 2011 and warning based on microwave remote sensor 2013,Such as,First carry out warning based on microwave remote sensor 2013,When there is alarm condition,It is then turned on warning based on acceleration transducer 2011,Before the information i.e. gathered at microwave remote sensor 2013 is not judged to by ground early-warning device that dangerous situation occurs,Described acceleration transducer 2011 is constantly in closed mode or the state of certain interval of time work,Surrounding's entrance vehicular traffic when described traffic warning board,When the information that i.e. microwave remote sensor 2013 gathers is judged to that dangerous situation occurs by ground early-warning device,,Described acceleration transducer 2011 is opened,The acceleration of continuous collecting traffic warning board,Therefore,Can effectively reduce the power consumption of ground early-warning device.It is of course also possible to be, described acceleration transducer 2011 and described microwave remote sensor 2013 are persistently opened.
Additionally, described receiver carried by automobile also includes wireless communication unit 303, described second processor 302 couples with described wireless communication unit 303, when triangle brand is showed by user, and when opening receiver carried by automobile, the positional information of vehicle is sent to remote monitoring center by wireless communication unit 303, specific embodiment can be that car running computer 304 has vehicle location function, the positional information of vehicle can be obtained in real time, second processor 302 detects when prior-warning device is opened, the positional information obtaining vehicle sends the Surveillance center to vehicle by wireless communication unit 303.
This utility model can be described in the general context of computer executable instructions, such as program module.Usually, program module includes performing particular task or realizing the routine of particular abstract data type, program, object, assembly, data structure etc..This utility model can also be put into practice in a distributed computing environment, in these distributed computing environment, the remote processing devices connected by communication network perform task.In a distributed computing environment, during program module may be located at the local and remote computer-readable storage medium including storage device.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.