阅读说明：本技术 一种车辆落水救援定位系统及方法 (Vehicle drowning rescue positioning system and method ) 是由 姜镇军 王锦琨 付勇 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种车辆落水救援定位系统,其包括：车辆落水检测模块,所述车辆落水检测模块用于检测车辆是否落水；定位浮标,所述定位浮标安装车身上,当车辆落水后所述定位浮标自动浮出水面,所述定位浮标与所述车身通过牵引绳连接,所述定位浮标上设有GPS定位模块和无线通信模块,所述GPS定位模块用于通过GPS信号对定位浮标进行定位,所述无线通信模块用于向外界发送救援信号。该救援定位系统将GPS定位模块设置在定位浮标上,当车辆入水后,定位浮标将自动漂浮在水面上,这样GPS信号就不会受到水的干涉,这样就能实现车辆的精确定位,从而达到快速救援的目的。(The invention discloses a rescue positioning system for vehicle falling into water, which comprises: the vehicle falling-into-water detection module is used for detecting whether a vehicle falls into water or not; the positioning buoy is installed on the vehicle body, automatically floats out of the water surface after the vehicle falls into water, is connected with the vehicle body through a traction rope, is provided with a GPS (global positioning system) positioning module and a wireless communication module, and is used for positioning the positioning buoy through a GPS signal, and the wireless communication module is used for sending rescue signals to the outside. According to the rescue positioning system, the GPS positioning module is arranged on the positioning buoy, and the positioning buoy automatically floats on the water surface after a vehicle enters the water, so that GPS signals cannot be interfered by the water, the accurate positioning of the vehicle can be realized, and the purpose of quick rescue is achieved.)

1. A vehicle drowning rescue positioning system, characterized in that it includes:

the vehicle falling-into-water detection module is used for detecting whether a vehicle falls into water or not;

the positioning buoy is installed on the vehicle body, automatically floats out of the water surface after the vehicle falls into water, is connected with the vehicle body through a traction rope, is provided with a GPS (global positioning system) positioning module and a wireless communication module, and is used for positioning the positioning buoy through a GPS signal, and the wireless communication module is used for sending rescue signals to the outside.

2. The vehicle drowning rescue positioning system of claim 1, wherein the vehicle drowning detection module comprises a moisture sensor and a pressure sensor.

3. The vehicle drowning rescue positioning system according to claim 1, wherein a buoy fixing device is arranged on the vehicle body and is used for fixing the positioning buoy on the vehicle body, and when the vehicle drowning detection module detects that the vehicle falls into water, the buoy fixing module is opened to enable the positioning buoy to automatically float out of the water.

4. The vehicle drowning rescue positioning system according to claim 1, wherein an ultrasonic signal transmitter is further arranged in the vehicle body, an ultrasonic signal receiver is arranged on the positioning buoy, and the ultrasonic signal transmitter is in communication connection with the ultrasonic signal receiver.

5. The vehicle drowning rescue positioning system according to claim 1, wherein an infrared sensing module is further provided on the positioning buoy, and the infrared sensing module is used for detecting whether the positioning buoy is separated from a vehicle body.

6. The vehicle drowning rescue positioning system according to claim 1, wherein a rescue light is further provided on the vehicle body.

7. The vehicle overboard rescue positioning system of claim 1, wherein the wireless communication module is a GSM communication module.

8. A vehicle drowning rescue positioning method is characterized by comprising the following steps:

when the vehicle falls into water, the vehicle falling-water detection module sends a signal to the buoy fixing device, and the buoy fixing device is unlocked to enable the positioning buoy to automatically float to the water surface;

the positioning buoy realizes the position positioning of the positioning buoy through the GPS positioning module and sends the position of the positioning buoy and the rescue information to the outside through the wireless communication module.

9. The vehicle drowning rescue positioning method according to claim 8, wherein an ultrasonic signal transmitter is arranged on the vehicle body, an ultrasonic signal receiver is arranged on the positioning buoy, and the position information of the vehicle is sent to the ultrasonic receiver on the positioning buoy through the ultrasonic transmitter so as to obtain the distance and the position information between the vehicle and the positioning buoy.

10. The vehicle drowning rescue positioning method according to claim 8, wherein the GPS positioning module determines the geometric distance from the GPS positioning module to the satellite by measuring the propagation time of the ranging code signal transmitted by the GPS satellite to the GPS positioning module receiver when positioning, and substitutes the geometric distance parameters of three or more satellites and the GPS positioning module into the european coordinate distance equation set under the same rectangular coordinate to solve the spatial coordinate of the GPS positioning module and determine the position of the GPS positioning module when simultaneously capturing the spatial coordinates of three or more satellites.

Technical Field

The invention relates to a rescue positioning system, in particular to a positioning system used for salvaging and rescuing a vehicle after the vehicle falls into water.

Background

With the development of society and the continuous improvement of living standard of people, an automobile becomes a common vehicle in daily life of people, and safe driving is very important. But traffic accidents still can not happen in daily life, and particularly after the vehicle falls into water, emergency rescue is needed to salvage vehicles and people falling into water. For the area with deeper water depth, sometimes it is difficult to find the actual position of the vehicle falling into the water, which will prolong the salvage time, miss the best rescue time, and even make the person falling into the water lose life in severe cases.

At present, the positioning of an automobile mostly adopts a GPS, for example, the invention patent (patent number: 201510042687X) discloses an automobile drowning escape system, which comprises a waterproof shell, a power supply module, a singlechip, an emergency lamp, a photoelectric alarm, a GSM module, a moisture sensor, a GPS positioning module, a motor drive circuit and a manual waterproof switch; the power supply module, the single chip microcomputer, the GSM module, the GPS positioning module and the motor driving circuit are all arranged in the waterproof shell; the emergency lamp is arranged on the waterproof shell, and a wiring terminal of the emergency lamp is positioned in the waterproof shell; the photoelectric alarm is arranged on the waterproof shell, and a wiring terminal of the photoelectric alarm is positioned in the waterproof shell; the moisture sensor is arranged on the waterproof shell, a probe of the moisture sensor is positioned outside the waterproof shell, and the wiring terminal is positioned in the waterproof shell; the manual waterproof switch is installed on the waterproof shell, and the wiring end of the manual waterproof switch is located in the waterproof shell. This car system of fleing that falls into water adopts the GPS module to fix a position the vehicle, nevertheless because the vehicle falls into water the back, the GPS module together gets into aquatic, because the satellite signal that GPS relied on can refract can reflect, signal attenuation is serious, will cause adverse effect to the location under water like this, and consequently this kind of mode location effect is very poor, hardly plays effectual positioning action in the rescue process.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to design a system and a method capable of realizing accurate positioning of a vehicle in a rescue process.

A vehicle drowning rescue positioning system, comprising: the vehicle falling-into-water detection module is used for detecting whether a vehicle falls into water or not; the positioning buoy is installed on the vehicle body, automatically floats out of the water surface after the vehicle falls into water, is connected with the vehicle body through a traction rope, is provided with a GPS (global positioning system) positioning module and a wireless communication module, and is used for positioning the positioning buoy through a GPS signal, and the wireless communication module is used for sending rescue signals to the outside.

Preferably, the vehicle drowning detection module includes a moisture sensor and a pressure sensor.

Preferably, a buoy fixing device is arranged on the vehicle body and used for fixing the positioning buoy on the vehicle body, and when the vehicle falling water detection module detects that the vehicle falls into water, the buoy fixing module is opened to enable the positioning buoy to automatically float out of the water.

Preferably, an infrared sensing module is further arranged on the positioning buoy and used for detecting whether the positioning buoy is separated from the vehicle body.

Preferably, a rescue illuminating lamp is further arranged on the vehicle body.

Preferably, the wireless communication module is a GSM communication module.

Preferably, an ultrasonic signal transmitter is further arranged in the vehicle body, an ultrasonic signal receiver is arranged on the positioning buoy, and the ultrasonic signal transmitter is in communication connection with the ultrasonic signal receiver.

The patent also discloses a method for realizing rescue and positioning of vehicles falling into water, which comprises the following steps: when the vehicle falls into water, the vehicle falling-water detection module sends a signal to the buoy fixing device, and the buoy fixing device is unlocked to enable the positioning buoy to automatically float to the water surface; the positioning buoy realizes the position positioning of the positioning buoy through the GPS positioning module and sends the position of the positioning buoy and the rescue information to the outside through the wireless communication module.

Preferably, the vehicle body is provided with an ultrasonic signal transmitter, the positioning buoy is provided with an ultrasonic signal receiver, and the position information of the vehicle is transmitted to the ultrasonic receiver on the positioning buoy through the ultrasonic transmitter so as to obtain the distance and the position information between the vehicle and the positioning buoy.

Preferably, when the GPS positioning module performs position positioning, the geometric distance between the GPS positioning module and the satellite is obtained by measuring the propagation time of a ranging code signal transmitted by the GPS satellite to reach the GPS positioning module receiver, and when the spatial coordinates of three or more satellites are captured at the same time, the geometric distance parameters of three or more satellites and the GPS positioning module are substituted into the european coordinate distance equation set under the same rectangular coordinate, the spatial coordinate of the GPS positioning module is solved, and the position of the GPS positioning module is determined.

The technical scheme has the following beneficial effects: according to the rescue positioning system, the GPS positioning module is arranged on the positioning buoy, and the positioning buoy automatically floats on the water surface after a vehicle enters the water, so that GPS signals cannot be interfered by the water, the accurate positioning of the vehicle can be realized, and the purpose of quick rescue is achieved.

Drawings

Fig. 1 is a schematic diagram of the working principle of the embodiment of the present invention.

FIG. 2 is a block diagram of a system for positioning a buoy in an embodiment of the present invention.

Element number description: 1. positioning the buoy; 11. an infrared sensing module; 12. a control module; 13. a GPS positioning module; 14. a wireless communication module; 2. a vehicle; 3. and (4) a satellite.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the invention.

As shown in fig. 1, the patent discloses a rescue positioning system for vehicle drowning, which mainly comprises a vehicle drowning detection module and a positioning buoy 1. The vehicle falling water detection module is used for detecting whether a vehicle falls into water or not, and as a specific implementation mode, the vehicle falling water detection module mainly comprises a moisture sensor and a pressure sensor, wherein the moisture sensor is used for detecting whether the vehicle falls into water or not, and the pressure sensor is used for detecting the pressure in the vehicle after the vehicle enters the water, so that the depth of the vehicle falling into water is judged. The positioning buoy 1 is arranged on the automobile body, when the automobile falls into water, the positioning buoy 1 can automatically float out of the water, the positioning buoy 1 is connected with the automobile body 2 through a traction rope, and therefore the position of the automobile after falling into water can be roughly judged through the position of the positioning buoy.

The positioning buoy 1 is provided with a GPS positioning module 13 and a wireless communication module 14, the GPS positioning module 13 is used for positioning the positioning buoy through a GPS signal, the wireless communication module 14 is used for sending a rescue signal to the outside, and the rescue signal comprises position information and help seeking information of the GPS positioning module.

As shown in fig. 2, as a specific embodiment, the positioning buoy 1 is further provided with an infrared sensing module 11, a control module 12, and a power module 15, where the infrared sensing module 11 is used to detect whether the positioning buoy 1 is separated from the vehicle body. The power module 15 is connected to the infrared sensing module 11, the control module 12, the GPS positioning module 13, and the wireless communication module 14, and is configured to supply power to each module. The power module 15 adopts a lithium battery, and the wireless communication module 14 can adopt a GSM communication module. When the positioning buoy 1 is used, if the positioning buoy 1 is not separated from the vehicle body, the GPS positioning module 13 and the wireless communication module 14 are in a closed state, and after the positioning buoy 1 is separated from the vehicle body, the infrared sensing module 11 sends a feedback signal to the control module 12, and the control module 12 controls the GPS positioning module 13 and the wireless communication module 14 to be started for positioning. By adopting the mode, the power consumption of the positioning buoy 1 can be saved, and the positioning buoy can work for a long time.

As a preferred embodiment, an ultrasonic signal receiver may be further disposed on the positioning buoy 1, an ultrasonic signal transmitter may be disposed on the vehicle body, and the ultrasonic signal transmitter is connected to the ultrasonic signal receiver in a communication manner, and the ultrasonic receiver is connected to the control module 12. Thus, when the vehicle enters water, the ultrasonic signal transmitter can generate an ultrasonic signal to the ultrasonic signal receiver, so that the distance between the vehicle 2 and the positioning buoy 1 can be calculated, and more accurate positioning is realized.

As a preferred embodiment, the positioning buoy 1 may be fixed on the vehicle body by a buoy fixing device, the buoy fixing device is connected to the vehicle drowning detection module, and when the vehicle drowning detection module detects that the vehicle falls into water, the vehicle drowning detection module sends a feedback signal to the buoy fixing module to open the buoy fixing module, so that the positioning buoy can automatically float out of the water. The buoy fixing device only needs to be capable of fixing and positioning the buoy, and the structure capable of realizing automatic floating of the positioning buoy after receiving the feedback signal of the vehicle water falling detection module is within the protection scope of the patent. If the buoy fixing device can adopt an electromagnetic mechanism to attract the positioning buoy 1 on the vehicle body, when the vehicle falls into water, the electromagnetic mechanism can be powered off, and thus the positioning buoy 1 can float upwards automatically.

As a specific embodiment of the invention, the vehicle body is also provided with a rescue illuminating lamp, and the vehicle is also internally provided with a standby power supply which is used for supplying power to the rescue illuminating lamp. After the vehicle enters water, the standby power supply can supply power to the rescue illuminating lamp, so that the vehicle can be conveniently positioned, and illumination can be provided for passengers to escape.

The patent also discloses a method for realizing rescue and positioning of vehicles falling into water, which comprises the following specific steps: when the vehicle falls into water, the vehicle falling-water detection module sends a signal to the buoy fixing device, and the buoy fixing device is unlocked to enable the positioning buoy to automatically float to the water surface; the positioning buoy realizes the position positioning of the positioning buoy through the GPS positioning module and sends the position of the positioning buoy and the rescue information to the outside through the wireless communication module.

In order to realize accurate positioning, an ultrasonic signal transmitter is arranged on the vehicle body, an ultrasonic signal receiver is arranged on the positioning buoy, and the position information of the vehicle is transmitted to the ultrasonic receiver on the positioning buoy through the ultrasonic transmitter so as to obtain the distance between the vehicle and the positioning buoy and the position information.

When the GPS positioning module performs position positioning, the following method may be used: by measuring the propagation time of a ranging code signal transmitted by the GPS satellite 3 to a receiver of the GPS positioning module 13, the geometric distance between the GPS positioning module and the satellite 3 is calculated, and under the condition of simultaneously capturing the space coordinates of three or more satellites, the geometric distance parameters of three or more satellites and the GPS positioning module are substituted into an Euclidean coordinate distance equation set under the same rectangular coordinate, the space coordinate of the GPS positioning module is solved, and the position of the GPS positioning module is further determined.

According to the rescue positioning system, the GPS positioning module is arranged on the positioning buoy, and the positioning buoy automatically floats on the water surface after a vehicle enters the water, so that GPS signals cannot be interfered by the water, the accurate positioning of the vehicle can be realized, and the purpose of quick rescue is achieved.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.