CN214028434U - Vehicle wading early warning system and vehicle - Google Patents
Vehicle wading early warning system and vehicle Download PDFInfo
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- CN214028434U CN214028434U CN202023329188.4U CN202023329188U CN214028434U CN 214028434 U CN214028434 U CN 214028434U CN 202023329188 U CN202023329188 U CN 202023329188U CN 214028434 U CN214028434 U CN 214028434U
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- 230000005484 gravity Effects 0.000 claims description 6
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Abstract
The utility model provides a vehicle early warning system that paddles, through set up inclination sensor and ultrasonic sensor on the vehicle with the inclination of measuring the vehicle respectively and the distance between ultrasonic sensor and the surface of water, and through set up the controller on the vehicle, carry out the analysis and calculation through the controller to the mounting height of the ultrasonic sensor who presets, the inclination of vehicle and the distance between ultrasonic sensor and the surface of water and obtain the maximum depth of paddle of vehicle, and generate early warning signal when the maximum depth of paddle is greater than the threshold value that presets, in order to remind the driver of vehicle. The system can solve the problem that wading depth calculation of the vehicle in an inclined state is inaccurate, wading depths of all parts of the vehicle can be calculated in an all-around mode, wading conditions of the vehicle are reflected more comprehensively, and therefore accuracy of wading depth measurement of the vehicle and accuracy of wading safety early warning of the vehicle are improved. The embodiment of the utility model provides a still provide the vehicle that has this system.
Description
Technical Field
The utility model relates to a vehicle detection technology field especially relates to a vehicle early warning system and vehicle of wading.
Background
The vehicle can experience various road conditions under the driving state, and for a general passenger vehicle, when the passenger vehicle passes through a water accumulation road section, if water accumulation exceeds a certain depth, the driving safety of the vehicle can be influenced, the vehicle is flamed out in the water accumulation, the normal driving of the vehicle is influenced, even the water is supplied to an engine, and the vehicle is damaged more seriously. Therefore, how to solve the problem of safe wading of the vehicle is a big problem in the vehicle industry at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the embodiment of the utility model provides a vehicle early warning system and vehicle of wading into water.
In a first aspect, an embodiment of the present invention provides a vehicle wading early warning system, which includes an inclination sensor, an ultrasonic sensor and a controller, where the inclination sensor, the ultrasonic sensor and the controller are located on a vehicle; wherein,
the tilt angle sensor is used for measuring the tilt angle of the vehicle;
the ultrasonic sensor is used for measuring the distance between the ultrasonic sensor and the water surface;
the controller is respectively electrically connected with the inclination angle sensor and the ultrasonic sensor and used for determining the maximum wading depth of the vehicle according to the preset installation height, the preset inclination angle and the preset distance of the ultrasonic sensor and generating an early warning signal when the maximum wading depth is larger than a preset threshold value.
In some embodiments, the vehicle includes a first axis along a length direction of the vehicle, a second axis along a width direction of the vehicle, and a third axis along a height direction of the vehicle; the tilt angle sensor comprises a first tilt angle sensor, a second tilt angle sensor and a third tilt angle sensor; wherein the first tilt sensor is configured to measure a tilt angle of the vehicle along the first axis, the second tilt sensor is configured to measure a tilt angle of the vehicle along the second axis, and the third tilt sensor is configured to measure a tilt angle of the vehicle along the third axis.
In some embodiments, the vehicle includes a first rear view mirror and a second rear view mirror; the ultrasonic sensor comprises a first ultrasonic sensor and a second ultrasonic sensor; wherein the first ultrasonic sensor is located on the first rearview mirror and the second ultrasonic sensor is located on the second rearview mirror.
In some embodiments, the vehicle wading warning system further comprises an acceleration sensor located at the center of gravity of the vehicle for measuring the acceleration of the vehicle;
the controller is electrically connected with the acceleration sensor and used for predicting the running time of the vehicle after the running distance according to the acceleration, the running speed of the vehicle and the running distance of the vehicle which needs to run.
In some embodiments, the vehicle wading warning system further comprises a three-axis gyro sensor located at the center of gravity of the vehicle for measuring the three-dimensional angular velocity of the vehicle;
the controller is electrically connected with the three-axis gyro sensor and used for predicting the maximum wading depth of the vehicle after the vehicle runs for the running distance according to the three-dimensional angular velocity and the running time, and generating an early warning signal when the predicted maximum wading depth is larger than a preset threshold value.
In some embodiments, the vehicle wading early warning system further comprises an alarm, the alarm is located on the vehicle and electrically connected with the controller, the alarm comprises a light emitting diode and/or a buzzer, the light emitting diode is used for emitting light according to the early warning signal and giving an alarm, and the buzzer is used for giving a sound according to the early warning signal.
In some embodiments, the vehicle wading early warning system further includes a display screen, the display screen is located on the vehicle and electrically connected with the controller, and is used for displaying wading information of the vehicle, and the wading information includes any one or more of wading depth of each part of the vehicle, maximum wading depth of the vehicle, and early warning prompt information.
In some embodiments, the vehicle wading early warning system further includes a network module, where the network module is located on the vehicle and electrically connected to the controller, and is used to provide a mobile service interface, so as to send wading information of the vehicle to a mobile terminal bound to the vehicle.
In some embodiments, the vehicle wading early warning system further comprises a water sensor, the water sensor is located on a chassis of the vehicle and electrically connected with the controller, and when the water sensor is in contact with water, the controller respectively controls the inclination angle sensor and the ultrasonic sensor to work.
In a second aspect, an embodiment of the present invention provides a vehicle, where the vehicle includes the first aspect of the vehicle wading early warning system.
The utility model provides a vehicle early warning system that paddles, through set up inclination sensor and ultrasonic sensor on the vehicle with the inclination of measuring the vehicle respectively and the distance between ultrasonic sensor and the surface of water, and through set up the controller on the vehicle, with the mounting height to preset ultrasonic sensor through the controller, the inclination of vehicle and the distance between ultrasonic sensor and the surface of water carry out the depth of paddle that analytical calculation obtained each position of vehicle, then confirm the biggest depth of paddle of vehicle in a plurality of depths of paddles, and generate early warning signal when the biggest depth of paddle is greater than the threshold value of presetting, in order to remind the driver of vehicle. The system can solve the problem that wading depth calculation of the vehicle in an inclined state is inaccurate, wading depths of all parts of the vehicle can be calculated in an all-around mode, wading conditions of the vehicle are reflected more comprehensively, and therefore accuracy of wading depth measurement of the vehicle and accuracy of wading safety early warning of the vehicle are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle wading early warning system provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a three-dimensional rectangular coordinate system according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
When a vehicle passes through a water accumulation road section, for a common passenger vehicle, if the depth of accumulated water is deep and an exhaust pipe of the vehicle is submerged, the vehicle can be flamed out in the accumulated water, and a certain amount of accumulated water is sucked into the engine due to the sudden stop of the engine, so that the engine is damaged to a certain degree. Or, the deeper water submerges the air intake system of the vehicle's engine, which can also cause the water to enter the engine, causing damage to the vehicle.
In view of this, the embodiment of the utility model provides a vehicle early warning system that paddles, this system can be applied to foretell fuel car, still is applicable to multiple different types of vehicles such as new forms of energy electric motor car, the embodiment of the utility model provides a do not do specifically to injecing to its applied scene.
As shown in fig. 1, the system includes a tilt sensor 20, an ultrasonic sensor 30, and a controller 10 on a vehicle.
The tilt angle sensor 20 is used to measure the tilt angle of the vehicle, i.e., the yaw angle, pitch angle, and roll angle of the vehicle. Specifically, the vehicle includes a first axis in a length direction of the vehicle, a second axis in a width direction of the vehicle, and a third axis in a height direction of the vehicle. As shown in fig. 2, a three-dimensional rectangular coordinate system is established with a projected point of a center point of a front axle of the vehicle on the ground as a coordinate origin, a first axis as an x-axis, a second axis as a y-axis, and a third axis as a z-axis.
The tilt sensor 20 includes a first tilt sensor, a second tilt sensor, and a third tilt sensor. The first inclination angle sensor is positioned on a first axis of the vehicle and used for measuring the inclination angle of the vehicle along the first axis, namely a roll angle gamma; the second inclination angle sensor is positioned on a second axis of the vehicle and is used for measuring the inclination angle of the vehicle along the second axis, namely a pitch angle alpha; a third tilt sensor is located on a third axis of the vehicle for measuring the tilt angle of the vehicle along the third axis, i.e. the yaw angle beta.
The ultrasonic sensor 30 is used to measure the distance between itself and the water surface. Specifically, the ultrasonic sensor 30 includes a first ultrasonic sensor and a second ultrasonic sensor. The first ultrasonic sensor is positioned on a first rear-view mirror (a left side rear-view mirror) of the vehicle, and a detection surface of the first ultrasonic sensor is deviated from the first rear-view mirror and faces the ground and is used for measuring the distance between the first ultrasonic sensor and the water surface; the second ultrasonic sensor is located on a second rear-view mirror (right side mirror) of the vehicle, and a detection surface of the second ultrasonic sensor faces away from the second rear-view mirror and faces the ground and is used for measuring the distance between the second ultrasonic sensor and the water surface.
The controller 10 is electrically connected to the tilt sensor 20 and the ultrasonic sensor 30, and configured to determine a maximum wading depth of the vehicle according to a preset installation height of the ultrasonic sensor, an inclination angle of the vehicle measured by the tilt sensor 20, and a distance between the vehicle and a water surface measured by the ultrasonic sensor 30, and generate an early warning signal when the maximum wading depth is greater than a preset threshold value.
Specifically, the installation height of the ultrasonic sensor is pre-stored in the controller 10, the installation height of the ultrasonic sensor refers to the distance between the installation position of the ultrasonic sensor and the ground, the threshold is pre-stored in the controller 10, and the threshold refers to the depth value of the accumulated water which needs to be warned when the vehicle wades into water, and the threshold can be flexibly adjusted according to the specific vehicle.
The controller 10 is electrically connected to the first tilt angle sensor, the second tilt angle sensor, the third tilt angle sensor, the first ultrasonic sensor and the second ultrasonic sensor respectively, so as to obtain a roll angle of the vehicle measured by the first tilt angle sensor, a pitch angle of the vehicle measured by the second tilt angle sensor, a yaw angle of the vehicle measured by the third tilt angle sensor, a distance between the vehicle and the water surface measured by the first ultrasonic sensor and a distance between the vehicle and the water surface measured by the second ultrasonic sensor, then according to a preset installation height of the ultrasonic sensors and the obtained data, wading depths of various parts (such as a left headstock, a right headstock, a left tailstock and a right tailstock) of the vehicle are determined, then a maximum wading depth is determined from a plurality of water depths as the maximum wading depth of the vehicle, and finally the maximum wading depth of the vehicle is compared with a preset threshold value, when the former is larger than the latter, an early warning signal is generated. It should be noted that the early warning signal can be displayed through the display screen 70 or an audible and visual alarm is performed through the alarm 60 to remind the driver of the vehicle, so that the driver can respond to the vehicle condition and the water depth condition in time, and the occurrence of the dangerous condition is avoided.
The embodiment of the utility model provides a vehicle early warning system that paddles, through set up inclination sensor 20 and ultrasonic sensor 30 on the vehicle with the inclination of measuring the vehicle respectively and the distance between ultrasonic sensor and the surface of water, and through set up the controller 10 of being connected with inclination sensor 20 and ultrasonic sensor 30 electricity respectively on the vehicle, with the mounting height to preset ultrasonic sensor 30 through controller 10, the inclination of vehicle and the distance between ultrasonic sensor 30 and the surface of water carry out the wading degree of depth that analytical calculation obtains each position of vehicle, then confirm the biggest wading degree of depth of vehicle in a plurality of wading degrees of depth, and generate early warning signal when the biggest wading degree of depth is greater than preset threshold value, with remind the driver to the vehicle. The system can solve the problem that wading depth calculation of the vehicle in an inclined state is inaccurate, wading depths of all parts of the vehicle can be calculated in an all-around mode, wading conditions of the vehicle are reflected more comprehensively, and therefore accuracy of wading depth measurement of the vehicle and accuracy of wading safety early warning of the vehicle are improved.
As a preferred embodiment, the embodiment of the present invention further describes the first ultrasonic sensor and the second ultrasonic sensor. The first ultrasonic sensor and the second ultrasonic sensor are both ultrasonic sensors of M30 specification and with a distance of 2M.
The working process of the first ultrasonic sensor is as follows: under the control of the controller 10, the detecting surface emits an ultrasonic signal in a direction perpendicular to the detecting surface, the signal propagates in the air and is reflected when contacting the water surface, and after the detecting surface receives the reflected ultrasonic signal, the round trip propagation time of the signal is calculated, that is, the distance between the ultrasonic sensor and the water surface in the direction perpendicular to the detecting surface is calculated, and for convenience of description, the distance is referred to as a first distance.
The working process of the second ultrasonic sensor is the same as that of the first ultrasonic sensor, and the description is omitted here, and the distance between the second ultrasonic sensor and the water surface is referred to as a second distance.
The first and second ultrasonic sensors continuously calculate the first and second distances, respectively, under the control of the controller 10, for example, the first and second distances a1 and b1 are calculated once at time 1, the first and second distances a2 and b2 are calculated once at time 2, and so on. Each time the first distance and the second distance are calculated, the controller 10 needs to select one calculation of the maximum wading depth for the vehicle from among them. Taking time 2 as an example, the selection rule is as follows:
if the difference between a2 and a1 and the difference between b2 and b1 are calculated, and the difference between the former and the latter is smaller than the difference between the former and the latter, it is considered that the second ultrasonic sensor is interfered with in distance measurement, for example, by a float on the water surface, and at this time, b2 is discarded, and a2 measured by the first ultrasonic sensor is used for calculating the maximum wading depth of the vehicle. According to the embodiment of the utility model, through set up two ultrasonic sensor on the vehicle, interference factor when can getting rid of distance measurement improves measuring accuracy.
In some embodiments, the system further comprises an acceleration sensor 40, the acceleration sensor 40 being located at the center of gravity of the vehicle for measuring the acceleration of the vehicle. The controller 10 is electrically connected to the acceleration sensor 40, and predicts a travel time for the vehicle to continue traveling over a travel distance based on the acceleration of the vehicle, the travel speed of the vehicle, and the travel distance over which the vehicle is to travel.
In some embodiments, the system further comprises a three-axis gyro sensor 50, the three-axis gyro sensor 50 being located at the center of gravity of the vehicle for acquiring a three-dimensional angular velocity of the vehicle, such as a first angular velocity of the vehicle in a first axial direction, a second angular velocity in a second axial direction, and a third angular velocity in a third axial direction. The controller 10 is electrically connected to the three-axis gyro sensor 50, and is configured to predict an inclination angle of the vehicle after the vehicle has traveled the travel distance according to the three-dimensional angular velocity of the vehicle and the travel time after the vehicle has traveled the travel distance, and further predict a maximum wading depth of the vehicle after the vehicle has continuously traveled the travel distance, and generate an early warning signal when the predicted maximum wading depth is greater than a preset threshold value.
In some embodiments, the system further comprises an alarm 60, the alarm 60 is electrically connected to the controller 10, the alarm 60 is located on the vehicle and electrically connected to the controller 10, the alarm 60 comprises a light emitting diode and/or a buzzer, the light emitting diode is used for emitting light according to the early warning signal and the buzzer is used for emitting sound according to the early warning signal.
In some embodiments, the system further comprises a display screen 70, the display screen 70 is located on the vehicle and electrically connected with the controller 10, and the display screen 70 is used for displaying the wading information of the vehicle, wherein the wading information comprises any one or more of wading depth of each part of the vehicle, maximum wading depth of the vehicle and early warning prompt information.
In some embodiments, the threshold may include a first threshold, a second threshold, a third threshold and a fourth threshold which are sequentially increased, the controller 10 generates a first warning signal when the maximum wading depth of the vehicle is only greater than the first threshold, the controller 10 generates a second warning signal when the maximum wading depth of the vehicle is only greater than the first threshold and the second threshold, the controller 10 generates a third warning signal when the maximum wading depth of the vehicle is only greater than the first threshold, the second threshold and the third threshold, and the controller 10 generates a fourth warning signal when the maximum wading depth of the vehicle is greater than the first threshold, the second threshold, the third threshold and the fourth threshold.
It should be noted that the form of the sound and light alarm of the alarm 60 based on different types of warning signals may be different, for example, the light intensity/volume of the warning based on the fourth warning signal is greater than the light intensity/volume of the warning based on the first warning signal.
The display screen 70 may display different kinds of warning information, for example, the warning information displayed based on the first warning signal is "light wading", and the warning information displayed based on the fourth warning signal is "severe wading". For another example, the warning information displayed based on the first warning signal may be eliminated by the user operating the display screen 70, and the warning information displayed based on the fourth warning signal may be eliminated only after the vehicle travels to a safe area (an area with no water accumulation or a shallow depth of water accumulation).
In some embodiments, the system further comprises a network module 80, wherein the network module 80 is located on the vehicle and electrically connected with the controller 10, and is used for providing a mobile service interface to transmit the wading information of the vehicle to the vehicle-bound mobile terminal.
In some embodiments, the system further comprises a water sensor located on the chassis of the vehicle and electrically connected to the controller 10, wherein the controller 10 controls the operation of the tilt sensor 20 and the ultrasonic sensor 30 when the water sensor is in contact with the body of water, respectively.
Specifically, the water sensor may adopt a general contact water sensor, that is, as long as the water sensor contacts the water body, a start signal is generated and sent to the controller 10, so that the controller 10 receives the start signal and then controls the tilt angle sensor 20 to measure the tilt angle of the vehicle, and controls the ultrasonic sensor 30 to measure the distance between itself and the water surface. When the vehicle passes through the water accumulation of generally only a few centimeters, the adverse effect is hardly generated, and the danger can be generated when the water accumulation reaches tens of centimeters or more. For a fuel vehicle, the mounting position of the water sensor can be mounted on a chassis of the vehicle, and a certain position lower than the exhaust pipe is provided, and the normal running of the vehicle is generally not influenced due to the accumulated water lower than the exhaust pipe, so that the water sensor does not need to be started generally. However, in order to ensure the safety of the vehicle in running, the mounting position of the water sensor can be lower, the specific mounting position can be set and selected according to actual needs, and the position can be adjusted according to different vehicle types.
In some embodiments, the system further includes a trigger switch, which may be an input button, located on the vehicle and electrically connected to the controller 10 for turning the system on or off. For example, when the current weather is sunny, no water is obviously accumulated on the road, and the user can turn off the system by operating the input button. When the user needs to use the system, the system can be turned on by operating the input buttons, and the system works normally.
The embodiment of the utility model provides a still provide a vehicle, the vehicle includes above-mentioned embodiment the vehicle early warning system that paddles. Since the above embodiments have already described the system in detail, the details are not repeated here. The vehicle wading early warning system arranged on the vehicle can solve the problem that wading depth calculation of the vehicle in an inclined state is inaccurate, wading depths of all parts of the vehicle can be calculated in an all-around mode, wading conditions of the vehicle are reflected more comprehensively, and therefore accuracy of vehicle wading depth measurement and accuracy of vehicle wading safety early warning are improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The vehicle wading early warning system is characterized by comprising an inclination angle sensor, an ultrasonic sensor and a controller, wherein the inclination angle sensor, the ultrasonic sensor and the controller are positioned on a vehicle; wherein,
the tilt angle sensor is used for measuring the tilt angle of the vehicle;
the ultrasonic sensor is used for measuring the distance between the ultrasonic sensor and the water surface;
the controller is respectively electrically connected with the inclination angle sensor and the ultrasonic sensor and used for determining the maximum wading depth of the vehicle according to the preset installation height, the preset inclination angle and the preset distance of the ultrasonic sensor and generating an early warning signal when the maximum wading depth is larger than a preset threshold value.
2. The vehicle wading warning system of claim 1, wherein the vehicle includes a first axis along a length of the vehicle, a second axis along a width of the vehicle, and a third axis along a height of the vehicle; the tilt angle sensor comprises a first tilt angle sensor, a second tilt angle sensor and a third tilt angle sensor; wherein the first tilt sensor is configured to measure a tilt angle of the vehicle along the first axis, the second tilt sensor is configured to measure a tilt angle of the vehicle along the second axis, and the third tilt sensor is configured to measure a tilt angle of the vehicle along the third axis.
3. The vehicle wading warning system of claim 2, wherein the vehicle includes a first rear view mirror and a second rear view mirror; the ultrasonic sensor comprises a first ultrasonic sensor and a second ultrasonic sensor; wherein the first ultrasonic sensor is located on the first rearview mirror and the second ultrasonic sensor is located on the second rearview mirror.
4. The vehicle wading warning system of claim 1, further comprising an acceleration sensor located at a center of gravity of the vehicle for measuring acceleration of the vehicle;
the controller is electrically connected with the acceleration sensor and used for predicting the running time of the vehicle after the running distance according to the acceleration, the running speed of the vehicle and the running distance of the vehicle which needs to run.
5. The vehicle wading warning system of claim 4, further comprising a three-axis gyro sensor located at a center of gravity of the vehicle for measuring a three-dimensional angular velocity of the vehicle;
the controller is electrically connected with the three-axis gyro sensor and used for predicting the maximum wading depth of the vehicle after the vehicle runs for the running distance according to the three-dimensional angular velocity and the running time, and generating an early warning signal when the predicted maximum wading depth is larger than a preset threshold value.
6. The vehicle wading early warning system of claim 1, further comprising an alarm, wherein the alarm is located on the vehicle and electrically connected with the controller, the alarm comprises a light emitting diode and/or a buzzer, the light emitting diode is used for emitting light according to the early warning signal and the buzzer is used for sounding and alarming according to the early warning signal.
7. The vehicle wading early warning system of claim 1, further comprising a display screen, wherein the display screen is located on the vehicle and electrically connected with the controller, and is used for displaying wading information of the vehicle, and the wading information comprises any one or more of wading depth of each part of the vehicle, maximum wading depth of the vehicle, and early warning prompt information.
8. The vehicle wading early warning system of claim 1, further comprising a network module, wherein the network module is located on the vehicle and electrically connected with the controller, and is configured to provide a mobile service interface so as to send wading information of the vehicle to the mobile terminal bound to the vehicle.
9. The vehicle wading early warning system of claim 1, further comprising a water sensor located on a chassis of the vehicle and electrically connected to the controller, wherein when the water sensor is in contact with water, the controller controls the tilt sensor and the ultrasonic sensor to operate respectively.
10. A vehicle comprising a vehicle wading warning system as claimed in any one of claims 1 to 9.
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| CN202023329188.4U CN214028434U (en) | 2020-12-30 | 2020-12-30 | Vehicle wading early warning system and vehicle |
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| CN202023329188.4U CN214028434U (en) | 2020-12-30 | 2020-12-30 | Vehicle wading early warning system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771451A (en) * | 2022-03-31 | 2022-07-22 | 东风汽车集团股份有限公司 | Dynamic monitoring method and monitoring system for wading of electric automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114771451A (en) * | 2022-03-31 | 2022-07-22 | 东风汽车集团股份有限公司 | Dynamic monitoring method and monitoring system for wading of electric automobile |
| CN114771451B (en) * | 2022-03-31 | 2023-04-11 | 东风汽车集团股份有限公司 | Dynamic monitoring method and monitoring system for wading of electric automobile |
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