1. A real-time alert device for motorcycle comprising a pendulum, a truncated cone, a power source and an indicator, wherein when the motorcycle leans more than a critical angle, the pendulum oscillates inside the cone and touches the surface of the truncated cone, which activates the indicator configured to provide alert to the rider of the motorcycle.
2. The real-time alert device as claimed in claim 1, wherein the pendulum consisting of a steel ball bearing.
3. The real-time alert device as claimed in claim 1, wherein the truncated cone is made of metal selected from steel sheet metal, copper coated sheet metal, silver coated sheet metal, silver metal and copper metal.
4. The real-time alert device as claimed in claim 1, wherein the power source configured to supply electrical power to the real-time alert device includes battery of the motorcycle or a separate battery selected from automotive battery, lithium-ion battery, and a solar cell.
5. The real-time alert device as claimed in claim 1, wherein the indicator configured to provide alert to the rider, the alert may be audible or visual or both.
6. The real-time alert device as claimed in claim 1, wherein the critical angle of the motorcycle depends on the type and speed of the motorcycle.
7. The real-time alert device as claimed in claim 1, wherein the pendulum (1) consisting of a steel ball bearing attached to a conducting copper wire, the other end of the copper wire is attached to negative terminal labeled "-" of the indicator (4), and the pendulum along with the ball is hung on a surface made of wooden (5) which is placed on top of the truncated cone (2), the truncated cone (2) is attached to a surface made of wooden (5), positive terminal labeled "+" of the power source (3) is connected to the positive terminal labeled "+" of the indicator and the negative terminal labeled "-" is connected to the surface of the cone, as illustrated in fig. 2.
8. The real-time alert device as claimed in claim 1, wherein when the motorcycle leans more than a critical angle, the pendulum (1) oscillates inside the cone (2) and touches the surface of the cone (2), then the circuit is completed and thus activating the indicator (4), which in turn provides audible or visual alert to the rider or driver as illustrated in fig. 3.
9. The real-time alert device as claimed in claim 1, wherein the dimensions of truncated cone are upper diameter - 2 cm, height - 4.8 cm and lower diameter – 7.25cm; the copper wire of the pendulum is of length 2.5cm; and the steel ball of the pendulum weighing 25-30g with a diameter of 1.5 cm.
10. The real-time alert device as claimed in claim 1, wherein the device alerts the motorist when the vehicle is taking a turn on the road and also during wheelie. , Description:FIELD OF THE INVENTION
[0001] The present invention relates to motorcycle safety in particular to the real-time alert device which measures the lean of the motorcycle and alert the motorist without delay when it crosses the critical angle.
BACKGROUND OF THE INVENTION
[0002] Vehicles, such as motorcycles, are inherently unstable, and their use, particularly by inexperienced riders, can be dangerous. Excessive speed, road conditions, poor equipment and tipping over are some of the factors that can contribute to accidents. When motorcycle traverses a sharp turn, it is common for the vehicle to skid or scrape along the ground causing damage to the vehicle and injury to the one riding the motorcycle.
[0003] The present invention helps in providing real time alert to the rider of the vehicle during extreme lean angles while driving. This includes when the vehicle is taking a turn on the road and also during wheelie.
[0004] There are no devices in the prior art which provides real time alert, but there are certain high-end vehicles which use a gyroscope sensor which are sensitive to handle and also need a micro controller or a micro- processor to run the sensor. Further it is not cost effective whereas the present invention which alerts the motorist without delay when the vehicle crosses the critical lean angle has simple design, low build and maintenance cost and easy installation to the vehicle.
OBJECT OF THE INVENTION
[0005] The main object of the invention is to develop a real-time alert device for the rider of the motorcycle when he leans more than the critical angle.
[0006] It is another object of the invention to develop an alert device which is inexpensive and which can be easily mounted to an existing vehicle.
[0007] It is yet another object of the invention to develop an alert device which has a simple design and can be scalable according to the user requirements.
[0008] Other objects of the inventions will be apparent from the description of the invention herein below.
SUMMARY OF THE INVENTION
[0009] The present invention provides a real-time alert device for motorcycle comprising a pendulum, a truncated cone, a power source and an indicator; wherein when the motorcycle leans more than a critical angle, the pendulum oscillates inside the cone and touches the surface of the truncated cone, which activates the indicator configured to provide alert to the rider of the motorcycle.
[0010] The device alerts the motorist when the vehicle is taking a turn on the road and also during wheelie.
BRIEF DESCRIPTION OF THE DRAWINGS
[0011] For a better understanding of the invention, few embodiments are described below with reference to the accompanying figures, purely by way of example and non-limiting in which
FIG. 1 illustrates motorcycle mounted with real-time alert device.
FIG.2 illustrates schematic view of the combination of real-time alert device with power source and indicator.
FIG. 3 illustrates schematic view of the combination of real-time alert device with power source and indicator in active mode (i.e. the circuit is closed).
FIG 4 shows side view of the real-time alert device with power source and indicator.
FIG. 5 shows top view of the real-time alert device with power source and indicator.
DETAILED DESCRIPTION OF THE INVENTION
[0012] As those of ordinary skill in the art will understand, various features of the embodiments illustrated and described with reference to any one of the Figures may be combined with features illustrated in one or more other Figures to produce alternative embodiments that are not explicitly illustrated and described. The combinations of features illustrated provide representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings of the present disclosure may be desired for particular applications or implementations. Those of ordinary skill in the art may recognize similar applications or implementations consistent with the present disclosure, e.g., ones in which components or processes are arranged in a slightly different order than shown in the embodiments in the Figures. Those of ordinary skill in the art will recognize that the teachings of the present disclosure may be applied to other applications or implementations.
[0013] An aspect of the invention relates to a real-time alert device for motorcycle to check lean angle of the motorcycle and alerting the rider, when it cross a particular critical angle.
[0014] The real-time alert device according to the present invention provides a real time alert to the rider or driver of the motorcycle during turning or wheelie, when the motorcycle crosses a particular critical angle.
[0015] In an aspect of the invention, real-time alert device for motorcycle comprises a pendulum with spherical ball and a truncated cone.
[0016] In a further aspect of the invention, the real-time alert device for motorcycle further comprises a power source configured to supply electrical power to the real-time alert device and an indicator configured to provide alert to the rider of the motorcycle.
[0017] In an embodiment of the invention, when the motorcycle leans more than a critical angle, the pendulum oscillates inside the cone and touches the surface of the truncated cone, which activates the indicator configured to provide alert to the rider of the motorcycle.
[0018] In an embodiment, the pendulum with spherical ball and truncated metal cone are enclosed in a container made of insulating material but not limited to plastic.
[0019] In an embodiment, the real-time alert device is mounted closer to the center of gravity (CG) of the motorcycle. Fig1. Illustrates an exemplary embodiment, the motorcycle mounted with real-time alert device of the present invention.
[0020] Fig 2. Illustrates an exemplary embodiment of the real-time alert device of the present invention, comprising pendulum (1), truncated cone (2), power source (3) and indicator (4).
[0021] In few embodiments of the invention or with reference to the illustrated embodiment of fig 2, the pendulum (1) consists of a steel ball bearing.
[0022] In few embodiments of the invention or with reference to the illustrated embodiment of fig 2, the truncated cone (2) is made of metal but not limited to steel sheet metal, copper coated sheet metal, silver coated sheet metal, silver metal and copper metal.
[0023] In few embodiments of the invention or again with reference to the illustrated embodiment of fig 2, the power source (3) configured to supply electrical power to one or more components of the device include, but not limited to, a battery of the motorcycle or a separate battery (e.g., automotive battery, lithium-ion battery etc.), an electric power generator, a solar cell, and the like.
[0024] In an embodiment of the invention or also again with reference to the illustrated embodiment of fig 2, the Indicator (4) configured to provide audible or visual alert or both to the rider or driver.
[0025] In some embodiments, the alert can be any such alert to gain the attention of the rider or driver and designed so as to not be confused with law enforcement, fire protection, ambulance or other emergency vehicle sirens.
[0026] In an embodiment, the indicator can be a separate device or can be a part of the motorcycle dashboard or in the vicinity of dashboard, which allows the rider to easily notice alerts.
[0027] In an embodiment, the indicator can be a device such as hooter or any such device which offers audible alerts including but not limited to horn, buzzer chirrup, siren, or beep.
[0028] In another embodiment, the indicator can be a part of dashboard or near the vicinity of the dashboard providing visual alert using LED, bulb including but not limited to lighting of a bulb, color alerts e.g. red, blue, and yellow or a text message indicating the lean angle or an additional needle indicating the lean angle, along with the needles that are part of dashboard indicating speed, fuel among others.
[0029] In an embodiment of the invention the arrangement or configuration of the real-time alert device of the present invention is explained with reference to the illustrated embodiment of fig 2, pendulum (1) consists of a steel ball bearing attached to a conducting copper wire, the other end of the copper wire is attached to negative terminal labeled "-" of the indicator (4) and the pendulum along with the ball is hung on a surface made of wooden or any other such material(5) which is placed on top of the truncated cone, truncated cone (2) constructed using a steel sheet is attached to a surface made of wooden or any other such material(5), positive terminal labeled "+" of power source (3) is connected to the positive terminal labeled "+" of the indicator (4) and the other terminal i.e. negative terminal labeled "-" is connected to the surface of the cone (2). The whole device is designed is such a way that the pendulum (1) oscillates inside the cone (2).
[0030] In an embodiment of the invention the functioning of the real-time alert device of the present invention is explained with reference to the illustrated embodiment of fig. 1, 2 and 3, when the motorcycle mounted with real time alert device (illustrated in fig. 1) leans more than a certain angle i.e. critical angle of the motorcycle, may be during a turn or during a wheelie, the pendulum (1) oscillates inside the cone (2) and touches the surface of the cone (2), then the circuit is completed (illustrated in fig. 3) and thus activating the indicator (4), which in turn provides audible or visual alert to the rider or driver.
[0031] Another aspect of the present invention relates to a method of providing audible or visual alert to rider of motorcycle while driving, when the motorcycle leans more than a critical angle during turning or wheeling comprises measuring the lean angle of the motorcycle using the real time alert device; wherein the real time alert device is mounted to the motorcycle at the center of gravity.
[0032] The inventors of the real-time alert device according to the present invention have studied the angular velocity in different vehicles, done thorough analysis of the customer requirements, and operator skills. Considering all these, different designs have been analyzed and the following has been arrived at this particular design along with dimensions of the device.
[0033] In an embodiment the dimensions of the real time alert device are as shown below:
Cone: upper diameter – 2cm, height – 4.8cm and lower diameter – 7.25cm
Copper wire of the pendulum: Length – 2.5cm (from the bottom of the wooden surface)
Steel ball of the pendulum: Diameter – 1.5cm and Weight- 25 to 30grams

[0034] In few embodiments of the invention, the critical angle i.e. the lean angle of motorcycle at or above which the device according to the present invention alerts the rider of the motorcycle is dependent on the type and the speed of motorcycle.
[0035] In some embodiments of the invention, the critical angle is calculated performing linear regression analysis model with lean angle (represented as Y herein after) being dependent variable and speed (represented as X herein after) being an independent variable. The regression analysis is performed using the below formula Y = aX + b, wherein ‘a’ is the X variable coefficient and b is the intercept coefficient.
[0036] In an embodiment of the invention, the critical angles are calculated using the regression model for Bajaj Pulsar 200NS, variable coefficient a= 0.61142 and intercept coefficient b= 0.6. The results are tabulated in table 1
Table 1
Speed(km/h) Angle(degree)
10 7
20 14
30 18
40 23
50 32
60 38

[0037] The alert device according to the present invention alerts the rider, for example at the lean angle approximately 23 ° or above, when the motorcycle is at a speed of 40 km/h.
[0038] In another embodiment, the critical angles are calculated using the regression model for Honda Activa, where the variable coefficient a= 0.58714and intercept coefficient b= -1.1333. The results are tabulated in table 2

Table 2
Speed(km/h) Angle(degree)
10 5
20 11
30 16.5
40 21
50 28
60 35

[0039] The real-time alert device of the present invention after manufacturing was put into validation tests including checking the critical angle for different vehicles. The motorcycle attached with the device was made to go on different road types and also turnings with different banking levels to check whether it shows accurate results. The alerts were accurate in all the cases for all tested types of vehicles.
[0040] The real-time alert device according to the present invention is able to predict and alert the driver beforehand with almost no delay in real time, and thus avoiding accidents. The device negates unwanted alerts such as vibrations caused due to bad road conditions, has advantage in terms of simplicity of the entire device, accurate alert above a critical angle, rigidity, easy maintainability, low cost to make, user friendly, and does not need any skill level to maintain the device.
[0041] The real-time device according to the present inventions alerts the motorcycle real time i.e. without delay, thereby avoiding accidents, injuries to the rider or driver and/or collision with other vehicles on the road.