CN107444260B - Sliding door automobile safety monitoring system based on radar application - Google Patents

Sliding door automobile safety monitoring system based on radar application Download PDF

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Publication number
CN107444260B
CN107444260B CN201710825165.6A CN201710825165A CN107444260B CN 107444260 B CN107444260 B CN 107444260B CN 201710825165 A CN201710825165 A CN 201710825165A CN 107444260 B CN107444260 B CN 107444260B
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China
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radar
door frame
automobile
monitoring system
sliding door
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CN201710825165.6A
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CN107444260A (en
Inventor
周智
周国鹏
吴幕颖
周媛芬
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Hubei University of Science and Technology
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Hubei University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The invention provides a sliding door automobile safety monitoring system based on radar application, and belongs to the technical field of automobiles. The automobile sliding door solves the technical problems that potential safety hazards exist when passengers get on or get off an existing automobile with the sliding door. The utility model provides a car safety monitoring system of sliding door based on radar is used, this car safety monitoring system includes a plurality of parking radar that sets up at automobile body front end and automobile body rear end, sliding door car includes a sliding door and upper and lower door frame, this car safety monitoring system still includes a plurality of automobile body right side radar on the automobile body that is located sliding door one side, the top of upper and lower door frame is provided with door frame top radar, parking radar links to each other with transmitting circuit one, receiving circuit one and alarm module in proper order, automobile body right side radar links to each other with transmitting circuit two in proper order, receiving circuit two, door frame radar circuit, transmitting circuit three, receiving circuit three and alarm module. The invention has the advantages of high safety and the like.

Description

Sliding door automobile safety monitoring system based on radar application
Technical Field
The invention belongs to the technical field of automobiles, and relates to a sliding door automobile safety monitoring system based on radar application.
Background
Along with the continuous development of the high-grade highway construction and the automobile industry in China, the important significance of the problem of the radar of the anti-collision system of the automobile is to pay great attention to related departments, so that the research and development work of the radar becomes a necessary trend. The research and development of the anti-collision radar system of the automobile is that a front-view radar, a side-view radar and a rear-view radar are arranged on the automobile, so that the automobile has a complete radar anti-collision system, and the automobile is safer when driving and reversing.
The automotive anti-collision radar system comprises a rear-view radar, a front-view radar and a side-view radar. The rear-view side-looking radar mainly detects whether vehicles or obstacles exist at the left side, the right side and the rear side, collision is avoided during lane change, and a larger detection azimuth angle is required; the rear view radar mainly detects the vehicle or the obstacle behind the vehicle, and in the system, the rear view radar is used as a reversing radar or the function is mainly used for safety in reversing. Compared with the front-view radar which is the most critical when the vehicle normally runs, the front-view radar not only needs to detect the existence of an object, but also needs to measure the azimuth angle, the distance and the speed of the front-view radar to adapt to various road conditions (such as a curved lane) and the vehicle environment so as to avoid the occurrence of vehicle collision. Our study of this system is mainly directed to radar applications in parking, body protection and monitoring of personnel safety on board.
The mode of opening the vehicle door in a sliding mode is widely applied to commercial vehicles, but the safety of people on the vehicles for getting on and off the vehicles has a great potential safety hazard.
Disclosure of Invention
The invention aims to solve the problems of the prior art and provides a sliding door automobile safety monitoring system based on radar application.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a car safety monitoring system of sliding door based on radar application, its characterized in that, this car safety monitoring system includes a plurality of parking radar that sets up at automobile body front end and automobile body rear end, and sliding door car includes a sliding door and upper and lower door frame, and this car safety monitoring system still includes a plurality of automobile body right side radar on the automobile body that is located sliding door one side, the top of upper and lower door frame is provided with door frame top radar, and this system still includes alarm module, transmitting circuit I, receiving circuit II, transmitting circuit III, receiving circuit III and is used for starting the door frame radar circuit at door frame top radar, parking radar links to each other with transmitting circuit I, receiving circuit I and alarm module in proper order, automobile body right side radar with transmitting circuit II, receiving circuit II, door frame radar circuit, transmitting circuit III, receiving circuit III and alarm module.
When the automobile is in a starting state, the parking radar carries out alarm prompt on the detected obstacle and the distance of the obstacle through the obstacle in the detection range and sequentially through the first transmitting circuit, the first receiving circuit and the alarm module; when the vehicle door is opened, a vehicle door opening signal triggers a radar on the right side of the vehicle body, and sequentially passes through a transmitting circuit II, a receiving circuit II and a door frame radar circuit, wherein the door frame radar circuit triggers a door frame top radar, and the door frame top radar is sequentially connected with a transmitting circuit III, a receiving circuit III and an alarm module; the vehicle door opening signal triggers the radar on the right side of the vehicle body, the radar on the right side of the vehicle body detects an obstacle near one side of the vehicle door, when the radar reaches a set value, the radar on the top of the door frame is started, the radar on the top of the door frame detects whether a person passes through the door frame, if the person passes through the door frame, an alarm is sent out to prompt the condition of the obstacle on the outer side of the vehicle body, particularly the passing of a running vehicle, the safety potential hazard is large for the safety of a person getting off the vehicle, and meanwhile, the radar on the top of the door frame can be started when the vehicle door is closed, so that the passenger is prevented from being pinched by the vehicle door.
The related technologies which cannot be mentioned in detail herein, such as processing of radar signals, coordination between radar and states of an automobile, signal conversion and processing of an alarm module and an alarm device, are not main contents of the application, and are all conventional technologies, and can be achieved undoubtedly through reasonable arrangement and adjustment by a person in the field.
In the sliding door automobile safety monitoring system based on radar application, the radar on the right side of the automobile body is arranged on a front wheel fender and a rear wheel fender of an automobile.
In the sliding door automobile safety monitoring system based on radar application, the radar at the top of the door frame is arranged on a track where the sliding door is located.
The radar at the top of the door frame can be triggered in the closing process of the door so as to prompt the door to be closed.
The safety monitoring system comprises a protection device, wherein the protection device comprises a cylindrical shell body, a plurality of valve rods, a pressing plate, a plunger, a partition plate, radar mounting holes and oil supply holes, wherein the cylindrical shell body is fixed on a vehicle body, valve holes corresponding to the valve rods one by one are uniformly formed in the shell body, the valve rods are inserted in the corresponding valve holes, a valve cavity filled with hydraulic oil is formed in the shell body, the pressing plate is slidably connected in the valve cavity, a guard plate is arranged at the outer end of the shell body, the other end of the valve rod extends out of the guard plate, the partition plate is located in the valve cavity and fixedly connected with the shell body, the pressing plate and the partition plate divide the valve cavity into a triggering cavity, an accumulating cavity and a pressure stabilizing cavity, through holes for communicating the accumulating cavity and the pressure stabilizing cavity are formed in the partition plate, the plunger is connected with the partition plate through tension springs, the plunger is inserted in the through holes, a guide rod is fixedly arranged on the pressing plate, a guide hole corresponding to the guide column is formed in the shell body, and the guard plate is fixedly connected with the vehicle body.
The radar is arranged in the radar mounting hole, in order not to influence the beauty of the radar mounting position, the guard board is flush with the automobile body, only a plurality of valve rod parts extend out of the automobile body, when the outer ends of part of the valve rods are subjected to the action of slower external force, the pressure is slowly increased in the triggering cavity, so that the valve rods which are not acted by the external force extend outwards to balance the oil pressure; when the valve rod receives great external force action, or all valve rods receive external force action, trigger the intracavity pressure and grow, make clamp plate compression pressure accumulation chamber, pressure accumulation chamber pressure increase, cause the plunger to open the through-hole, the high-pressure hydraulic oil in the steady voltage chamber gets into pressure accumulation chamber, promote the clamp plate opposite direction motion, and then promote the valve rod outward movement, with resisting external pressure, during this period, not only have buffering external pressure, can keep apart external force and the automobile body that will be used in the automobile body in addition, protect the automobile body, protect the radar simultaneously, avoid the radar impaired.
Mention may be made of: the shell can be fixedly connected with a main beam of the vehicle body so as to improve the resistance strength, and the oil supply hole is connected with a hydraulic system of the vehicle, so that stable high pressure can be provided for the pressure stabilizing cavity; after the device completes the protection of external force once, the valve rod is pulled out to the initial position through the tool, all parts can be almost recovered as originally used, the device can be continuously used, and the device can be disassembled, assembled, adjusted and maintained after the device is used for the next time.
And the guard plate is provided with an avoidance hole.
The avoidance hole is used for avoiding the radar radiation range.
Compared with the prior art, the invention has the following advantages:
1. when the automobile is in a starting state, the parking radar carries out alarm prompt on the detected obstacle and the distance of the obstacle through the obstacle in the detection range and sequentially through the first transmitting circuit, the first receiving circuit and the alarm module; when the vehicle door is opened, a vehicle door opening signal triggers a radar on the right side of the vehicle body, and sequentially passes through a transmitting circuit II, a receiving circuit II and a door frame radar circuit, wherein the door frame radar circuit triggers a door frame top radar, and the door frame top radar is sequentially connected with a transmitting circuit III, a receiving circuit III and an alarm module; the vehicle door opening signal triggers the radar on the right side of the vehicle body, the radar on the right side of the vehicle body detects an obstacle near one side of the vehicle door, when the radar reaches a set value, the radar on the top of the door frame is started, the radar on the top of the door frame detects whether a person passes through the door frame, if the person passes through the door frame, an alarm is sent out to prompt the condition of the obstacle on the outer side of the vehicle body, particularly the passing of a running vehicle, the safety potential hazard is large for the safety of a person getting off the vehicle, and meanwhile, the radar on the top of the door frame can be started when the vehicle door is closed, so that the passenger is prevented from being pinched by the vehicle door.
2. The radar at the top of the door frame is arranged on a track where the sliding door is positioned; the radar at the top of the door frame can be triggered in the closing process of the door so as to prompt the door to be closed.
Drawings
Fig. 1 is a schematic structural diagram of an automobile to which the present automobile safety monitoring system is applied.
Fig. 2 is a schematic diagram of the present car safety monitoring system.
Fig. 3 is a schematic structural diagram of a protection device in the present automobile safety monitoring system.
In the figure, 1, a sliding vehicle door; 2. a door frame for getting on and off the vehicle; a1, a shell; a2, valve rod; a3, pressing plates; a4, a plunger; a5, a separator; a6, radar mounting holes; a7, an oil supply hole; a8, protecting plates; b1, triggering a cavity; b2, an accumulator cavity; b3, a pressure stabilizing cavity; b4, a guide rod; b5, a guide hole; c. avoiding the hole.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the automobile safety monitoring system based on radar application comprises a plurality of parking radars arranged at the front end and the rear end of an automobile body, wherein the automobile safety monitoring system comprises an automobile sliding door 1 and an upper door frame 2 and a lower door frame 2, the automobile safety monitoring system further comprises a plurality of automobile body right radars positioned on one side of the automobile sliding door, the top of the upper door frame 2 and the lower door frame 2 are provided with door frame top radars, the system further comprises an alarm module, a first transmitting circuit, a first receiving circuit, a second transmitting circuit, a second receiving circuit, a third transmitting circuit, a third receiving circuit and a door frame radar circuit for starting the door frame top radars, the parking radars are sequentially connected with the first transmitting circuit, the first receiving circuit and the alarm module, and the automobile body right radars are sequentially connected with the second transmitting circuit, the second receiving circuit, the third transmitting circuit, the third receiving circuit and the alarm module; when the automobile is in a starting state, the parking radar carries out alarm prompt on the detected obstacle and the distance of the obstacle through the obstacle in the detection range and sequentially through the first transmitting circuit, the first receiving circuit and the alarm module; when the vehicle door is opened, a vehicle door opening signal triggers a radar on the right side of the vehicle body, and sequentially passes through a transmitting circuit II, a receiving circuit II and a door frame radar circuit, wherein the door frame radar circuit triggers a door frame top radar, and the door frame top radar is sequentially connected with a transmitting circuit III, a receiving circuit III and an alarm module; the vehicle door opening signal triggers the radar on the right side of the vehicle body, the radar on the right side of the vehicle body detects an obstacle near one side of the vehicle door, when the radar reaches a set value, the radar on the top of the door frame is started, the radar on the top of the door frame detects whether a person passes through the door frame, if the person passes through the door frame, an alarm is sent out to prompt the condition of the obstacle on the outer side of the vehicle body, particularly the passing of a running vehicle, the safety potential hazard is large for the safety of a person getting off the vehicle, and meanwhile, the radar on the top of the door frame can be started when the vehicle door is closed, so that the passenger is prevented from being pinched by the vehicle door.
The related technologies which cannot be mentioned in detail herein, such as processing of radar signals, coordination between radar and states of an automobile, signal conversion and processing of an alarm module and an alarm device, are not main contents of the application, and are all conventional technologies, and can be achieved undoubtedly through reasonable arrangement and adjustment by a person in the field.
The radar on the right side of the vehicle body is arranged on a front wheel fender and a rear wheel fender of the automobile; the radar at the top of the door frame is arranged on a track where the sliding door 1 is positioned; the radar at the top of the door frame can be triggered in the closing process of the door so as to prompt the door to be closed.
As shown in fig. 3, the safety monitoring system comprises a protecting device, the protecting device comprises a cylindrical shell a1 fixed on a vehicle body, a plurality of valve rods a2, a pressing plate a3, a plunger a4, a partition plate a5, radar mounting holes a6 and oil supply holes a7, valve holes corresponding to the valve rods a2 one by one are uniformly formed in the shell a1, the valve rods a2 are inserted into the corresponding valve holes, a valve cavity filled with hydraulic oil is formed in the shell a1, the pressing plate a3 is slidably connected in the valve cavity, a protecting plate a8 is arranged at the outer end of the shell a1, the other end of the valve rod a2 extends out of the protecting plate a8, a partition plate a5 is positioned in the valve cavity and fixedly connected with the shell a1, the pressing plate a3 and the partition plate a5 divide the valve cavity into a triggering cavity b1, a pressure accumulating cavity b2 and a pressure stabilizing cavity b3, through holes communicating the pressure accumulating cavity b2 and the pressure stabilizing cavity b3 are formed in the partition plate a5, the plunger a4 is connected with the partition plate a5 through tension springs and the corresponding guide holes b3, a guide rod b4 is fixedly arranged on the pressing plate a3, and the guiding column b1 is formed in the shell a1 and is fixedly connected with the protecting plate a 7.
The radar is arranged in the radar mounting hole a6, in order not to influence the beauty of the radar mounting position, the guard board a8 is flush with the automobile body, only a plurality of valve rods a2 partially extend out of the automobile body, when the outer ends of the valve rods a2 are subjected to slower external force, the pressure is slowly increased in the triggering cavity b1, so that the valve rods a2 which are not acted by the external force extend outwards to balance the oil pressure; when the valve rod a2 receives larger external force action, or all valve rods a2 receive external force action, the pressure in the triggering cavity b1 is increased, the pressure in the pressure accumulating cavity b2 is compressed by the pressing plate a3, the pressure in the pressure accumulating cavity b2 is increased, the through hole is opened by the plunger a4, high-pressure hydraulic oil in the pressure stabilizing cavity b3 enters the pressure accumulating cavity b2, the pressing plate a3 is pushed to move in the opposite direction, and then the valve rods a2 are pushed to move outwards to resist external pressure, during the process, the external pressure is buffered, external force which is about to act on a vehicle body can be isolated from the vehicle body, the vehicle body is protected, meanwhile, the radar is protected, and the radar is prevented from being damaged.
Mention may be made of: the shell a1 can be fixedly connected with a main beam of the vehicle body so as to improve the resistance strength, and the oil supply hole a7 is connected with a hydraulic system of the vehicle, so that stable high pressure can be provided for the pressure stabilizing cavity b 3; after the device finishes the external force defense once, the valve rod a2 is pulled out to the initial position through a tool, all parts can be almost recovered as originally used, the device can be continuously used, and the device can be disassembled, assembled, adjusted and maintained after the device is used for the next time.
And an avoidance hole c is formed in the guard plate a8 and used for avoiding the radar radiation range.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (2)

1. The automobile safety monitoring system is characterized by comprising a plurality of parking radars arranged at the front end and the rear end of an automobile body, wherein the automobile safety monitoring system comprises an automobile sliding door (1) and an upper door frame and a lower door frame (2), the automobile safety monitoring system further comprises a plurality of automobile body right side radars positioned on one side of the automobile sliding door, the top of the upper door frame and the lower door frame (2) is provided with a door frame top radar, the system further comprises an alarm module, a first transmitting circuit, a first receiving circuit, a second transmitting circuit, a second receiving circuit, a third transmitting circuit, a third receiving circuit and a door frame radar circuit for starting the door frame top radar, the parking radars are sequentially connected with the first transmitting circuit, the first receiving circuit and the alarm module, and the automobile body right side radars are sequentially connected with the second transmitting circuit, the second receiving circuit, the door frame radar circuit, the third transmitting circuit, the third receiving circuit and the alarm module;
the radar on the right side of the automobile body is arranged on a front wheel fender and a rear wheel fender of the automobile;
the radar at the top of the door frame is arranged on a track where the sliding door (1) is positioned;
the safety monitoring system comprises a protection device, wherein the protection device comprises a cylindrical shell (a 1) fixed on a vehicle body, a plurality of valve rods (a 2), a pressing plate (a 3), a plunger (a 4), a baffle plate (a 5), radar mounting holes (a 6) and oil supply holes (a 7), valve holes corresponding to the valve rods (a 2) one by one are uniformly formed in the shell (a 1), the valve rods (a 2) are inserted in the corresponding valve holes, a valve cavity filled with hydraulic oil is formed in the shell (a 1), the pressing plate (a 3) is slidably connected in the valve cavity, a guard plate (a 8) is arranged at the outer end of the shell (a 1), the other end of the valve rod (a 2) extends out of the guard plate (a 8), the baffle plate (a 5) is positioned in the shell (a 1) and fixedly connected with the valve rod, the pressing plate (a 3) and the baffle plate (a 5) divide the valve cavity into a triggering cavity (b 1), a pressure accumulating cavity (b 2) and a pressure accumulating cavity (b 3), the baffle plate (a 5) is provided with a guide rod (b 3) which is communicated with the guide rod (a 4) and is arranged in the guide rod (b) and is fixedly connected with the plunger (a 4), the oil supply hole (a 7) is communicated with the pressure stabilizing cavity (b 3), and the guard plate (a 8) is fixedly connected with the vehicle body.
2. The sliding door automobile safety monitoring system based on radar application according to claim 1, wherein the guard plate (a 8) is provided with a avoidance hole (c).
CN201710825165.6A 2017-09-14 2017-09-14 Sliding door automobile safety monitoring system based on radar application Active CN107444260B (en)

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CN107444260B true CN107444260B (en) 2023-07-07

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CN201856703U (en) * 2010-10-15 2011-06-08 长安大学 Safety getting-off early warning device for automobiles
CN203888701U (en) * 2013-11-29 2014-10-22 上海通用汽车有限公司 Warning device for safely opening vehicle doors and vehicle
KR20160013301A (en) * 2014-07-24 2016-02-04 아진산업(주) The Layout Structure Of Safety Sensors For SchoolBus
CN104499864B (en) * 2014-12-11 2016-08-24 南华大学 The bus safety door system of crashproof anti-sticking
US9550450B2 (en) * 2015-01-20 2017-01-24 Ford Global Technologies, Llc Exit warning system for a motor vehicle having a sliding door
CN104986104B (en) * 2015-06-24 2017-10-20 奇瑞汽车股份有限公司 A kind of opening door of vehicle anti-collision warning system and opening door of vehicle anti-collision alarm method
CN205153823U (en) * 2015-11-25 2016-04-13 常曦龙 Car intelligence door plant system
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CN207157064U (en) * 2017-09-14 2018-03-30 湖北科技学院 A kind of sliding door automotive safety monitoring system based on radar application

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