CN202499097U - Automotive electromagnetic anti-collision buffer unit - Google Patents

Automotive electromagnetic anti-collision buffer unit Download PDF

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Publication number
CN202499097U
CN202499097U CN2012201148816U CN201220114881U CN202499097U CN 202499097 U CN202499097 U CN 202499097U CN 2012201148816 U CN2012201148816 U CN 2012201148816U CN 201220114881 U CN201220114881 U CN 201220114881U CN 202499097 U CN202499097 U CN 202499097U
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China
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collision
module
electromagnetic
coil
automobile
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Expired - Fee Related
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CN2012201148816U
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Chinese (zh)
Inventor
李鹏辉
刘宏飞
许洪国
钟学敏
邱国富
朱宁
李继威
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Jilin University
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Jilin University
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Abstract

An automotive electromagnetic anti-collision buffer unit belongs to the technical field of automobile safety. A relative speed measurement module, a relative acceleration measurement module and a relative distance measurement module are all connected with a collision recognition module. A control unit is respectively connected with the collision recognition module and the signal receiving module. An output end of the control unit is respectively connected with a signal transmitting module and an electromagnetic device power-on control module. The electromagnetic device power-on control module is respectively connected with a coil positive terminal and a circuit negative terminal of an electromagnetic anti-collision actuator. The automotive electromagnetic anti-collision buffer units can be installed at the front and the rear of an automobile. When two automobiles are about to collide, the back automobile transmits signals to the front automobile to power on the electromagnetic devices of the front and back automobiles. Large capacitors are used to supply power, coils are formed by coiled flat wires, rapid high-current discharge can be achieved, high electromagnetic repulsion can be generated, and accordingly initial kinetic energy of the automobiles before collision is reduced. At low speed, the automobiles can be avoided colliding. At high speed, the initial collision energy of the automobiles can be reduced so that collision damage is reduced.

Description

The crashproof shock absorber of automobile electromagnetic
Technical field
The utility model belongs to the automotive safety technical field, is specifically related to a kind of automobile collision preventing shock absorber based on electromagnetic repulsion force.
Background technology
The automotive safety technology is divided into active safety technology and passive security technology.
Active safety system comprises vehicle stability systems, drives warning and three big systems such as information system and collision avoidance system.These devices have played very big effect to the prevention traffic accident, but after accident takes place, but are difficult to play the effect that alleviates causality loss.
The passive security technology mainly comprises occupant restraint system and vehicle structure buffering energy-absorbing system.But occupant protection system comprises car belt, safety air bag conquassation Steering gear etc.Car belt and safety air bag play a very good protection to the occupant in collision case, be installed in all types of automobiles, but it are high slightly to work as the speed of a motor vehicle, and the occupant still can receive serious damage.Vehicle structure buffering energy-absorbing technology mainly is through the appropriate design vehicle structure; Make the auto against position reach maximum plastic deformation, or drive other crash energy absorption equipments (like hydraulic efficiency gear, pneumatics or mechanical energy storing device etc.) to reach the purpose of buffering energy-absorbing when making auto against.General Motors Overseas Corporation has proposed a kind of front bumper arrangement of automatically retractable formula, when accident will take place, initiatively bumper/spoiler is stretched out car body, with the collision in advance of collision thing, reaches the purpose of buffering energy-absorbing.This device volume, quality are bigger, can cause bumper/spoiler unstable, and the energy that absorbs during high-speed crash is also very limited.The researchist of Institutes Of Technology Of Changsha proposes a kind of screw thread shearing type auto against intelligence energy-absorbing control system, when being about to crash, launches this device, reaches the purpose of buffering energy-absorbing.This device also can only be applied to low speed collision, and manufacturing cost is higher.
Summary of the invention
The purpose of the utility model is to reduce the auto against initial kinetic energy, at automobile low speed head-on crash or when knocking into the back, can avoid automobile to bump; When automobile high-speed collides, can reduce the initial kinetic energy of two cars collision, play the effect of buffering energy-absorbing, reduce the damage of collision case.
The utility model is made up of information acquisition system I, the II of collision recognition system, load-and-vehicle communication system III and electromagnetic anti-collision actuating system IV; Wherein information acquisition system I is made up of relative velocity mensuration module a, relative acceleration mensuration module b and relative distance mensuration module c; The II of collision recognition system is made up of collision recognition module d and control unit e; Load-and-vehicle communication system III is made up of control unit e, signal emission module f and signal receiving module g, and electromagnetic anti-collision actuating system IV is made up of calutron energising control module h and electromagnetic anti-collision actr i; Relative velocity is measured module a, relative acceleration is measured module b and all is connected with the input end of collision recognition module d with the mouth that relative distance is measured module c; The input end of control unit e is connected with the mouth of collision recognition module d and signal receiving module g respectively, and the mouth of control unit e is connected with the input end of calutron energising control module h with signal emission module f respectively; The master cock of calutron energising control module h is connected among the electromagnetic anti-collision actr i between the coil positive terminal 4 and coil negative terminals 10.
Electromagnetic anti-collision actr i among the electromagnetic anti-collision actuating system IV is by forming at a distance from magnetic baffle plate 1, back seat 2, coil 3, coil electrode terminals 4, baffle plate 5, upper bracket 6, cylindrical electromagnet 7, front end fixed muffle 8, lower bracket 9, coil negative terminals 10, bolt 11 and power supply electric capacity 12; Wherein 4 cylindrical electromagnet 7 one ends and baffle plate 5 fix as one and form band baffle-type electromagnet; Cylindrical electromagnet 7 other ends are connected with the cylindrical hole of back seat 2 one sides; The cylindrical surface of cylindrical electromagnet 7 is tied with coil 3; Be equipped with on it through bolt 11 affixed upper bracket 6 and lower bracket 9, also be connected with front end fixed muffle 8; Back seat 2 opposite sides are with affixed at a distance from magnetic baffle plate 1; Coil electrode terminals 4 and coil negative terminals 10 are respectively through positive and negative extreme connection of aperture with the power supply electric capacity 12 at back seat 2 two ends; Be equipped with two electromagnetic anti-collision actr i on each automobile, be fixed in the front portion and the afterbody of auto body respectively.
The working process of the utility model is described below:
Relative velocity is measured module a, relative acceleration measures module b and relative distance is measured measured relative velocity, relative acceleration and the relative distance signal of module c; Green phase is measured the input end transmission of the mouth of module b and relative distance mensuration module c to collision recognition module d to velocity determination module a, relative acceleration respectively, and measured analog signal can directly convert digital signal in inside modules; As the criterion that whether can bump against between two cars of front and back, and the mouth through collision recognition module d is to the input end transmission of control unit e with the relative velocity, relative acceleration and the relative distance signal that receive for collision recognition module d; In the time of before and after collision recognition module d recognizes, must bumping between two cars; Mouth by control unit e transmits this information to the input end of signal emission module f; And control signal transmitter module f informs the front truck collision information, after the signal receiving module of front truck receives the collision information of back car emission to the signal receiving module emission anti-collision warning signal of front truck; By the signal emission module of the front truck signal receiving module g emission electrifying information of car backward; When after after the signal receiving module g of car receives electrifying information, be about to this information and pass to calutron energising control module h, and then control electromagnetic anti-collision actr i through control unit e; The collision information that the signal emission module of front truck is also launched the back car simultaneously; Control unit through this car passes to calutron energising control module, and then the electromagnetic anti-collision actr of two cars produces repulsion before and after the control simultaneously, carries out the collision avoidance action.
The good effect of the utility model is this device is installed in the front portion and the afterbody of automobile, and single-chip computer control system detects two cars and is about to collision before auto against, so the back car sends signal to front truck; The calutron of front truck is switched on the calutron of back car simultaneously, adopt big capacitances to supply power, realize the rapid large-current discharge; Produce very strong electromagnetic repulsion force; Thereby reduce the initial kinetic energy before the auto against, under the low speed collision situation, can avoid automobile to bump; Under the high-speed crash situation, can reduce the auto against initial kinetic energy, alleviate collision damage.
Description of drawings
Fig. 1 is the crashproof shock absorber structural representation of automobile electromagnetic
Fig. 2 is an electromagnetic anti-collision actr axonometric drawing
Fig. 3 is an electromagnetic anti-collision actr birds-eye view
Fig. 4 is that upper bracket, lower bracket and bolted connection concern axonometric drawing
Fig. 5 is electromagnet, coil and baffle plate annexation axonometric drawing
Of which: I. Information Collection System II. Collision recognition system III. Workshop communication system IV. Electromagnetic collision execution system a. Relative velocity measurement module b. Relative acceleration measurement module c. Relative distance measuring module d. Collision recognition module e. Control unit f. signal transmitter module g. signal receiving module h. electromagnetic device is powered control module i. electromagnetic actuator a collision. magnetic isolation baffle 2. seat 3. coil 4. coil positive terminal 5. baffle 6. upper bracket 7. cylindrical electromagnet 8 front-end fixed sleeve 9. lower bracket 10. coil negative terminal 11. bolts 12. supply capacitor
The specific embodiment
In conjunction with accompanying drawing the embodiment of the utility model is done and to be further described:
As shown in Figure 1; The utility model is made up of information acquisition system I, the II of collision recognition system, load-and-vehicle communication system III and electromagnetic anti-collision actuating system IV; Wherein information acquisition system I is made up of relative velocity mensuration module a, relative acceleration mensuration module b and relative distance mensuration module c; The II of collision recognition system is made up of collision recognition module d and control unit e; Load-and-vehicle communication system III is made up of control unit e, signal emission module f and signal receiving module g, and electromagnetic anti-collision actuating system IV is made up of calutron energising control module h and electromagnetic anti-collision actr i; Relative velocity is measured module a, relative acceleration is measured module b and all is connected with the input end of collision recognition module d with the mouth that relative distance is measured module c; The input end of control unit e is connected with the mouth of collision recognition module d and signal receiving module g respectively, and the mouth of control unit e is connected with the input end of calutron energising control module h with signal emission module f respectively; The master cock of calutron energising control module h is connected among the electromagnetic anti-collision actr i between the coil positive terminal 4 and coil negative terminals 10.
As shown in Figure 2; Electromagnetic anti-collision actr i among the electromagnetic anti-collision actuating system IV is by forming at a distance from magnetic baffle plate 1, back seat 2, coil 3, coil electrode terminals 4, baffle plate 5, upper bracket 6, cylindrical electromagnet 7, front end fixed muffle 8, lower bracket 9, coil negative terminals 10, bolt 11 and power supply electric capacity 12; Wherein 4 cylindrical electromagnet 7 one ends and baffle plate 5 fix as one; Form band baffle-type electromagnet, cylindrical electromagnet 7 other ends are connected with the cylindrical hole of back seat 2 one sides, and the cylindrical surface of cylindrical electromagnet 7 is tied with coil 3; Be equipped with on it through bolt 11 affixed upper bracket 6 and lower bracket 9, also be connected with front end fixed muffle 8; Back seat 2 opposite sides are with affixed at a distance from magnetic baffle plate 1; Coil electrode terminals 4 and coil negative terminals 10 are respectively through positive and negative extreme connection of aperture with the power supply electric capacity 12 at back seat 2 two ends; Be equipped with two electromagnetic anti-collision actr i on each automobile, be fixed in the front portion and the afterbody of auto body respectively.
Back seat 2 adopts engineering plastics to make, and guarantees enough intensity and plasticity; The iron core of cylindrical electromagnet 7 and baffle plate 5 all adopt ingot iron to make, and coil 3 adopts the flat type copper wire coiling, to improve the electromagnetic repulsion force that produces when band baffle-type electromagnet is switched on; Power supply electric capacity 12 adopts super capacitor, can realize rapid discharge; Separated magnetic baffle plate 1 is close to the bottom surface of back seat 2, and the electromagnetic wave that produces during the baffling device energising is in order to avoid produce interference to the miscellaneous part in the automobile.
As shown in Figure 2; The electromagnetic anti-collision actr is by 12 power supplies of power supply electric capacity; Power supply electric capacity 12 adopts vehicle-mounted super capacitor, can realize the rapid large-current discharge, makes calutron in the very short time (1s), produce very big electric current (100A-200A); Thereby produce very big electromagnetic repulsion force, play significant crashproof effect.
As shown in Figure 5,4 cylindrical electromagnet 7 one ends and baffle plate 5 fix as one and form band baffle-type electromagnet, and the iron core of cylindrical electromagnet 7 and baffle plate 5 all adopt ingot iron to make, the electromagnetic repulsion force of generation when improving the energising of band baffle-type electromagnet; Spacing between 4 cylindrical electromagnet 7 is 300mm, if the electromagnetism spacing is too near, can produces mutually and disturb, and the electromagnetic repulsion force that reduces to produce if it is too far away to be separated by, then can reduce installable electromagnet number, and final electromagnetic repulsion force is reduced.
Shown in chart one; Electromagnetic anti-collision actr before and after letting on two cars over against; Give two electromagnetic anti-collision actr energisings simultaneously; The a.t. (being the product of the electric current and the number of turn) that makes electromagnet is 150000A, calculates through finite element simulation, obtains the size of power between two electromagnetic anti-collision actrs and the relation of distance.From chart, can find out, when electromagnetic anti-collision actr close together, can produce very big electromagnetic repulsion force, can reduce the preceding initial kinetic energy of auto against significantly, the electromagnetic repulsion force that distance produces when far away slightly is also enough big, can reduce automobile kinetic energy effectively.
This electromagnetic anti-collision actr is installed in the front portion and the afterbody of automobile, information acquisition system I collect and front truck between relative velocity, relative acceleration, relative distance information after, signal is passed to the II of collision recognition system; Whether can be bumped against with front truck down by the II of collision recognition system identification the present situation: if be judged as collision, then send collision alarm by control unit control signal transmitter module to front truck, if front truck is this device of installation; After then signal receiving module receives collision alarm; Signal emission module through in self device is returned power on signal, after back car signal receiving module receives power on signal, and the calutron of two cars control module control separately self the device control module of switching on; Switch on to electromagnet simultaneously by big electric capacity; Thereby produce powerful repulsion, under the low speed collision situation, stop two cars to bump, under high-speed case; Reduce two cars collisions initial kinetic energy, reduce occupant and the damage of vehicle in the automobile collision procedure to greatest extent; Front truck does not then have the feedback signal of front truck to return the back car if this device is not installed, and then this device is not worked; If two car cruisings do not bump, then this device is not worked.
Chart one: the electromagnetic repulsion force of device generation and the chart that concerns over against distance
Two electromagnetic anti-collision actrs are over against distance [mm] Electromagnetic repulsion force [newton]
1 116851.6
5 101288.9
10 86747.02
20 69779.63
30 58640.32
40 51098.97
50 45224.46
60 40026.1
70 36138.85
80 32434.02
90 29228.31
100 26831.61
150 17102.13
200 11211.19
250 7478.077
300 4954.584
350 3405.036
400 2265.836
450 1503.695
500 1002.568
550 585.5363
600 226.3027

Claims (2)

1. crashproof shock absorber of automobile electromagnetic; It is characterized in that forming by information acquisition system (I), collision recognition system (II), load-and-vehicle communication system (III) and electromagnetic anti-collision actuating system (IV); Wherein information acquisition system (I) is made up of relative velocity mensuration module (a), relative acceleration mensuration module (b) and relative distance mensuration module (c); Collision recognition system (II) is made up of collision recognition module (d) and control unit (e); Load-and-vehicle communication system (III) is made up of control unit (e), signal emission module (f) and signal receiving module (g), and electromagnetic anti-collision actuating system (IV) is made up of calutron energising control module (h) and electromagnetic anti-collision actr (i); Relative velocity is measured module (a), relative acceleration is measured module (b) and all is connected with the input end of collision recognition module (d) with the mouth that relative distance is measured module (c); The input end of control unit (e) is connected with the mouth of collision recognition module (d) with signal receiving module (g) respectively, and the mouth of control unit (e) is connected with the input end of signal emission module (f) with calutron energising control module (h) respectively; The master cock of calutron energising control module (h) is connected between middle coil positive terminal (4) of electromagnetic anti-collision actr (i) and the coil negative terminals (10).
2. by the crashproof shock absorber of the described automobile electromagnetic of claim 1; It is characterized in that described electromagnetic anti-collision actr (i) is by forming at a distance from magnetic baffle plate (1), back seat (2), coil (3), coil electrode terminals (4), baffle plate (5), upper bracket (6), cylindrical electromagnet (7), front end fixed muffle (8), lower bracket (9), coil negative terminals (10), bolt (11) and power supply electric capacity (12); Wherein 4 cylindrical electromagnet (7) one ends and baffle plate (5) fix as one and form band baffle-type electromagnet; Cylindrical electromagnet (7) other end is connected with the cylindrical hole of back seat (2) one sides; The cylindrical surface of cylindrical electromagnet (7) is tied with coil (3); Be equipped with on it through bolt (11) affixed upper bracket (6) and lower bracket (9), also be connected with front end fixed muffle (8); Back seat (2) opposite side is with affixed at a distance from magnetic baffle plate (1); Coil electrode terminals (4) and coil negative terminals (10) are respectively through positive and negative extreme connection of aperture with the power supply electric capacity (12) at back seat (2) two ends; Be equipped with two electromagnetic anti-collision actrs (i) on each automobile, be fixed in the front portion and the afterbody of auto body respectively.
CN2012201148816U 2012-03-24 2012-03-24 Automotive electromagnetic anti-collision buffer unit Expired - Fee Related CN202499097U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102632852A (en) * 2012-03-24 2012-08-15 吉林大学 Automotive electromagnetic anti-collision buffering device
CN103010134A (en) * 2012-12-17 2013-04-03 招商局重庆交通科研设计院有限公司 Electromagnetic collision-cushioning device, system based on electromagnetic collision-cushioning device and method based on system
CN104129353A (en) * 2013-08-14 2014-11-05 潘普礼 Automobile repulsion device
CN106184784A (en) * 2016-08-24 2016-12-07 上海与德通讯技术有限公司 Unmanned aerial vehicle (UAV) control method, device and unmanned plane

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102632852A (en) * 2012-03-24 2012-08-15 吉林大学 Automotive electromagnetic anti-collision buffering device
CN103010134A (en) * 2012-12-17 2013-04-03 招商局重庆交通科研设计院有限公司 Electromagnetic collision-cushioning device, system based on electromagnetic collision-cushioning device and method based on system
CN103010134B (en) * 2012-12-17 2016-02-10 招商局重庆交通科研设计院有限公司 Electromagnetism delays collision device and based on the system of this device and the method based on described system
CN104129353A (en) * 2013-08-14 2014-11-05 潘普礼 Automobile repulsion device
CN106184784A (en) * 2016-08-24 2016-12-07 上海与德通讯技术有限公司 Unmanned aerial vehicle (UAV) control method, device and unmanned plane

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121024

Termination date: 20140324