CN1209399A - Electronic anti-collision device for automobile - Google Patents

Electronic anti-collision device for automobile Download PDF

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Publication number
CN1209399A
CN1209399A CN 97115238 CN97115238A CN1209399A CN 1209399 A CN1209399 A CN 1209399A CN 97115238 CN97115238 CN 97115238 CN 97115238 A CN97115238 A CN 97115238A CN 1209399 A CN1209399 A CN 1209399A
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signal
class
automobile
circuit
signal receiver
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刘先
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Individual
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Individual
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Abstract

The electronic collision avoidance equipment for preventing collision between cars is formed from the circuits and mechanisms of signal emitting, receiving, amplifying, frequency and power conversion, steering constraint and collision-preventing protection. Before collision, the car mounted with said equipment can receive the signal of opposite side, its receiving mechanism can convert said signal, and makes its effective distance greater than slip of the opposite side, then emits said signal, after said signal is received by opposite side car, amplified,relayed and converted, said car can automatically braked within its slip. Said invention can also be used for preventing following collision of cars and other traffic collision accident.

Description

Electronic anti-collision device for automobile
The present invention relates to a kind of automobile insurance device, especially a kind of electronic anti-collision device for automobile of bumping against between automobile and the automobile avoided.
The world today gets on the car, and people all know for the seriousness of traffic accident, and in the automobile traffic accident, modal is to bump between automobile and the automobile: as the collision that trying to be the first scrambles for roads causes etc. of not giving in mutually of the shunting into one another of automobile, cross roads, its common feature is that a side or both sides must be arranged is at a high speed.In addition, also have some artificial intentional collisions.Still not having the device that prevents car collision with regard to above-mentioned phenomenon comes out.Only having intelligent car to utilize the reflection of electric wave is the collision avoidance system that the principle of secondary reflection is developed, but this system is subjected to the shape of reverberation and the influence of reflecting properties thereof to make the reliability of automobile collision preventing not high.
The objective of the invention is to propose a kind of reliability height, low, the simple electronic anti-collision device for automobile of principle of design of cost.Avoid vehicle collision accident in any case with the application of this device.
The object of the present invention is achieved like this: a kind of electronic anti-collision device for automobile, and it comprises signal projector, signal receiver, frequency conversion apparatus in the protective cover that is installed in outside opened with certain angle, turns to restriction mechanism and crashproof insurance circuit; Wherein: signal projector and signal receiver be directed the installation on the variant orientation of automobile, the signal projector is totally ten classes, every class contains the signal projector of the signal of individual or more a plurality of its active distance that can launch continuously of 1-3 or frequency respective change, and the signal receiver of each automobile reaches 34 at least; Frequency conversion apparatus is made up of freq converting circuit, signal active distance change-over circuit and frequency inverted table; Turn to restriction mechanism coaxial, form by the opposite ratchet of both direction, ratchet, engaging mechanism and uncoupling gear with automotive steering wheel; Crashproof insurance circuit includes signal projector, signal receiver, amplifier, S/CO, angle master cock, self-locking circuit, delay timer, turns to restriction magnetic, meeting to warn acoustical generator, crashproof from stopping the transducing circuit, recovers go to circuit; Wherein: described ten class signal projectors, they are respectively F class, T class, L class, R class, ML class, MR class, CLF class, CRF class, CLT class, CRT class, and their each self-corresponding signal receivers are respectively: the cooresponding signal receiver of F class is f 1, f 2, f 3, f 4The cooresponding signal receiver of T class is t, tf; The cooresponding signal receiver of L class is l 1, l 21, l 22, l 31, l 32The cooresponding signal receiver of R class is r 1, r 21, r 22, r 31, r 32The cooresponding signal receiver of ML class is ml 1, ml 12, ml 2The cooresponding signal receiver of MR class is mr 11, mr 12, mr 2The cooresponding signal receiver of CLF class is clf 1, clf 2, clf 3The cooresponding signal receiver of CRF class is crf 1, crf 2, crf 3The cooresponding signal receiver of CLT class is clt 1, clt 2, clt 3The cooresponding signal receiver of CRT class is crt 1, crt 2, crt 3Wherein signal projector in the place ahead is the F class, totally three, divide a left side, in, the right side is installed in automobile foremost, and rear signal projector is the T class, totally three, divide a left side, in, the right side is installed in automobile tail, and left signal projector is the L class, and is three or more altogether, be installed in the automobile left side, right-hand signal projector is the R class, and is three or more altogether, is installed in the automobile right side, left side meeting signal projector is the ML class, totally one, be installed in automobile left side hind axle before, right side meeting signal projector is the MR class, totally one, before being installed in the axle of automobile right side rear wheel, for each class signal projector, to one to five signal receiver should be arranged.After when automobile the anticollision device that the present invention relates to being installed, under the effect of frequency conversion apparatus medium frequency change-over circuit and signal active distance change-over circuit, signal projector on the automobile sends the signal of different frequency and active distance according to the speed continuously-directional of self automobile, the active distance of these signals its signal after changing is all greater than the actual relative movement of the automobile that receives this signal, automobile self is also heading on simultaneously, the side, the active distance interior orientation of the signal that the automobile orientation of directions such as back is sent receives these signals, and change corresponding signal frequency of this car and active distance by frequency conversion apparatus, with control head-on, the side, the automobile of directions such as back does not bump against with this car.
The present invention since be install on the automobile different directed signal projectors and receptor and beam transmission, reception, replacement by signal make between the automobile may direction at each collision all can receive corresponding signal before taking place, and by crashproof insurance circuit one side or both sides' automobile are stopped and to be stopped, and normal meeting, overtake other vehicles all unaffected.Because directed signal projector emission all is light current magnetic waves, does not have secondary reflection, the direction of electromagnetic wave propagation is a straight line, so the beam transmission of signal and beam reception are failure-freies, thereby the crashproof safety effect of this device is a failure-free.Only be to work in the certain limit greater than the automobile actual relative movement owing to transmitting and receiving of signal again, so the power of projector and receptor is all not too large, corresponding, their cost is also just very cheap.In sum, the not only crashproof better function of this device, reliability height, and simplicity of design can be widely used in various automobiles.
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1-8 is respectively ten class signal projectors and the cooresponding receptor of all kinds of projector with respect to automobile
Locational signal stereoscopic graticule scheme drawing respectively is set.Fig. 9 is this device fundamental diagram, and Fig. 9-the 1st wherein is about the inversion frequency example circuit of Fig. 9
Figure, Fig. 9-the 2nd, surperficial top view, the Fig. 9-the 3rd of the average speed indicator after the repacking, extraordinary relay
Effectively equidistant circuit diagram with roll adjustment resistance formation.Figure 10 is the structural representation that turns to restriction mechanism.Figure 11 is this device signal stereoscopic graticule scheme drawing when meeting.Figure 12 is this device signal stereoscopic graticule scheme drawing when overtaking other vehicles.
Explanation according to above each figure illustrates in greater detail Fig. 1-Fig. 9 again:
The explanation of Fig. 1 drawing
(1) F quefrency projector is totally three, form the F signal region jointly by 145,267,389 the signal scope that 1,2,3 three projector among Fig. 1 forms, though by 4-9 is not a plane, this device is looked is the signal stereoscopic graticule perpendicular to the accurate horizontal surface of automobile.
(2) protective cover of signal projector and most receptor (to call guard shield in the following text) is divided into 12 ° 30 ° 45 ° and 60 ° 4 kinds by the angle of level, the F class is 12 °, emission guard shield internal layer makes the width of signal stereoscopic graticule constant substantially by the swing of trace, swinging structure and the active distance circuit interlock that changes signal, structure is omitted.
(3) f 1, t, l 1, r 1, ml 11, ml 12, ml 2+ mr 11, mr 12+ mr 2, clf 1, crf 1Common three combination guard shields, 1,2,3 three places of its position in Fig. 1 of using of signal receiver.
Wherein, Fig. 1-the 1st, among Fig. 1 the structural representation of protective cover, Fig. 1-2 be among Fig. 1-1 along cut-away view, Fig. 1-the 3rd of A-A direction, among Fig. 1 the structural representation of the employed protective cover of signal receiver, Fig. 1-4 and Fig. 1-5 be respectively about among Fig. 1-3 along the cut-away view of A-A and B-B direction, among the figure: 1-f 1, t, l 1, r 1, 2ml 2, 3-ml 11, 4-ml 12, 5-mr 2, 6-mr 11, 7-mr 12, 8-clt 1, 9-crt 1, 10-F, the 11-F guard shield, the little lagging of 12-, 13-combination receptor shell, 14-is interlayer up and down.
The explanation of Fig. 2 drawing
(1) T quefrency projector is totally three, be arranged in 10,11,12 3 places of Fig. 2, guard shield and F roughly the same, but angle is 20 °, signal scope by 10,13,14,11,15,16 and 12,17,18 is formed the T signal region, and 13-18 is the vertical three-dimensional net of T signal.
(2) receiving wire of f2 is traversed to 12 through 11 by 10 beginnings, and Fig. 2 does not draw, f 2After receiving the following signal of a back automobile, adjust the frequency of this car T signal and active distance according to the frequency level of F and make it actual relative movement, newer T signal is launched, the back car is stopped automatically be stopped within its actual relative movement f greater than a back automobile 2Function be to prevent shunting into one another of automobile.
(3) on line by 2-11 is the common centreline of Fig. 1 and Fig. 2, and it is f 1Tl 1r 1The residing accurate horizontal surface of common antenna is symmetrical crossing intersection with hypothesis with vertical the cuing open of automobile, claims line of centers, f 2Antenna also be to be within this accurate horizontal surface.
The explanation of Fig. 3 drawing
(1) 1 among Fig. 3,2,3 three places are the L signal projector of 3 60 ° of guard shields, launch 145,267,389 signal scope respectively and form the L signal region jointly, though the mid point to 9 by the 4-9 segmental arc is made up of three segmental arcs, its effect and straight line are as good as concerning the L1 signal receiver, R signal region and L symmetry, right-hand at automobile do not draw.17 is r 22, clf 2And l 32Public receiving wire.The C-C section be vertical section 122, crf2 and the r32 of its signal receiver on the left side of symmetry, Fig. 3 does not draw.
(2) the signal scope of Fig. 3 is to plot by 1: 100, and 1 full-page proof is to plot by 1: 5 top view, and institute's target angle is meant the leading angle that the guard shield angular bisector is become with line of centers in the full-page proof.
(3) the contents are as follows by each label of 13-17:
13-C LFEmitting antenna; 14-l 21, crf 1, crt 3, clf 3Common antenna;
15-is at the L at 1 place signal emitting antenna; 16-r 31Receiving wire;
17-r 22, clf 2, l 32Public receiving wire.
During (4) as the automobile speciality, the projector of L signal should increase, so the sum of projector can not be definite fully.
The explanation of Fig. 4 drawing
Among Fig. 41,10,11 forms C LFThe signal scope.C LFThe signal projector is installed in the top layer at 1 place, and guard shield is 30 °, clf 1Be positioned at the second layer and the crf at right front angle 1Symmetry.Clf 2At 17 places that C-C cuts open, the common antenna terrain clearance at 17 places is about 70CM, clf 3With crf 1Common antenna is at the second layer of left-front corner, 1-11=10 M* 1.5=15 M
The explanation of Fig. 5 drawing
Form M by 123 among Fig. 5 LSignal region is because the length of automobile differs very big, so the △ S among Fig. 5 can't determine M LSignal active distance (vertically)=(1-2)-△ S=20 M, laterally active distance is constant, and is bigger by 1 than the active distance of L MEqual 11 M, M LThe radical function of signal is to be the meeting service.Ml 2The function of receptor is the outlet line of the temporary transient l1j of interruption when meeting, secondly is to have a mind to make car accident when preventing meeting.Ml 11And ml 12Join together to be equivalent to another kind of signal with A5, prevent under the situation that can not receive the other side F to be hit by the left front, the position of signal receiver is seen the combination receptor in the explanation of Fig. 1 for details, Fig. 9 be the F signal foremost.
The explanation of Fig. 6 drawing
Form C by 45768 among Fig. 6 LTSignal region, 456 and 478 signal scope are all the deep interior transmission antennas transmit of 60 ° protect by top layer that is installed in 4 places and bottom respectively, see that 4 full-page proof and A-A thereof cuts open, and the second layer is f 3And clt 2Shared 60 ° guard shield and antenna, clt 1And crt 1At the left and right sides of the middle baffle plate of the combination receptor of automobile centre foremost, clt 3And crt 3Be installed in right front angle and left-front corner, see Fig. 4 for details.f 3And f 4The function of receptor is to receive after the other side launches next F signal by left rear corner or right back angle to adjust C according to its rank LTOr C RTActive distance make it bigger than the other side's actual relative movement, 10 is T, 11 is C LTLaunch 456 signal scopes, 12 is l 2f 3And clt 2The receptor common antenna, 13 is C LTLaunch 478 signal scopes.
The explanation of Fig. 7 drawing
What each numeral was represented respectively among the figure is: 1-F, 2-M L, 3-C LF, 4-L, 5-C LT, 6-T, 7-18M costa, 8-10M object-line, 9-automobile absolute altitude 60 CHAccurate horizontal surface.
The explanation of Fig. 8 drawing
Fig. 8 is about automobile absolute altitude 60 among Fig. 7 CH1: 25 full-page proof of accurate horizontal surface ratio.
(1) transmitter portion: F (1,2,16) (10,11,26) T (8,9,10) (17,18,19) C LF(3 top layers) (top layers of 12) C RF(15 top layers) (top layers of 24) L (3 bottoms 4,6) (12 bottoms 13,15) R (15 bottoms 14,12) (24 bottoms 23,21) C LT(7 top layer and bottom) (16 top layer and bottom) C RT(11 top layer and bottom) (20 top layer and bottom) M L(17) (26) M R(18) (27) 19 (automobile back wheel axis) 28 (automobile back wheel axis).
(2) receptor part: f 1, t, l 1, r 1Common antenna (calling conllinear in the following text) (1,2,16) (10,11,25), f 2Connect (8,9,10) (17,18,19), f 3, clt 2Conllinear (interbed among 7) (interbed among 16), f4, crt 2Conllinear (interbed among 11) (interbed among 20), l 21, crf 1, crt 3, clf 3Conllinear (interbed front end among 3) (interbed front end among 12), l 22, crf 2, r 32Conllinear (5) (14), r 22, clf 2, l 32Conllinear (13) (22), r 21, clf 1, clt 3, crf 3Conllinear (front end of interbed among 15) (front end of interbed among 24), clt 1(among 1 left side of space bar) (among 10 left side of space bar), crt 2(among 1 right side of space bar) (among 10 right side of space bar), l 31(among 15 rear end of interbed) (among 24 rear end of interbed), r 31(among 3 rear end of interbed) (among 12 rear end of interbed), ml 11(2 left side  guard shield＜down slightly〉right side) (left side  guard shield of 11＜down slightly〉right side), ml 12(right side of the right  of 15) (right side of the right  of 24), ml 2(left side of 2 left side ) (left side of 11 left side ), mr 11(left side of the right  of 15) (left side of the right  of 24), mr 12(left side of 2 left side ) (left side of 11 left side ), mr 2(right side of the right  of 15) (right side of the right  of 24), tf and t conllinear also are (1,2,16) (10,11,25).
Fig. 9 drawing explanation 1,
Figure A9711523800091
Signal directional transmitter and receptor.2,
Figure A9711523800092
Speed according to this car has grade an active distance and a frequency modulation of else changing signal, concrete grammar
See annex for details: about changing the frequency of signal and the method for active distance according to Ben Che and his vehicle speed
Example.(hereinafter to be referred as example) 3, Adjust the power of signal according to the rank of his car * signal, promptly change the active distance of signal,
But primary frequency is constant.4, Adjust the active distance of signal according to the speed of this car, frequency is constant.5, j-amplifier and have relay function.Commodity CRC-861 teleswitch merit with Guangdong factory
Can be basic identical.Xj represents that x signal directional receiver enters within the X signal active distance, itself
And the switch of being controlled is in running order, controls two and then dots its model more than the switch
Enclose,
Figure A9711523800095
Expression
Figure A9711523800096
The switch of being controlled is the instantaneous work of meeting when leaving the X signal region, but
Can restore automatically.6, F 10-26HThe active distance of expression F class signal is 18～26 M7, V 11＜25 KM / MCut-out switch (following summary), v 2＜30 KH / H, v 3＜40 KM / H, v 4/ 5 KM / H
V 1～V 4Speed switch available velocity table repacking, the example of method roughly the same above-mentioned (2): 8, A X1The angle of control wheel is 0 ° during with straight-line travelling, and angular dimension refers to absolute value.
A 1＞±360°、A 2＞±270°、A 3＞±105°、A 4＞±40°、A 5＞±20°、
A 1～A 5The structure of angle master cock mainly is under the ratchet in Figure 10 about 3～5 CMThe place is provided with
A ring coaxial with the control wheel axle locates to settle a drift angle to be about 120 ° isosceles and anti-at 0 °
The sour jujube point of mill, A is pressed in the outer ring of ring 1～A 5The needs of angle also are provided with 120 ° of isosceles and can centrifugally shrink back
The sour jujube point, this sour jujube point is together with switch and relay, the circuit of relay is wanted self-locking, can finish like this
A 1～A 5The requirement of various functions.9, DtH-manual buttons delay timer was delayed time 2～3 seconds, aim at when overtaking other vehicles after the car T news that enter front truck
Number district and being provided with, but essential and A 4Just can enter the T signal region when in parallel.10, D L1, D R1Delay timer was delayed time D 0.4 second L2, D R2Delayed time 0.7～1.3 second.11, P Ml1, P Mr1Be unidirectional air cylinder of electromagnetic valve and piston type or oil hydraulic cylinder, its function is axial
One end of bolster of bump ratchet, make ratchet instantaneous leave ratchet, make the control wheel commentaries on classics that affranchises
Moving, this nested structure is (6) among Figure 10.12, J Ml1, J Mr1--be accurate turning right and a brake structure of the accurate ratchet mesh ratchet gear that turns left in proper order,
Be that (16) lever connection among Figure 10 colludes, function is to J as electric current Ml1And J Mr1During input, logical
Cross magnetic (16) among Figure 10 are drawn by the direction of arrow, ratchet is and ratchet engaged, also is Figure 10
In (2) and (1) engagement.13, when 22 rPerhaps 22 lHave in electric current passes through, also promptly by meeting begin to 0.4 second end constantly or
c Tf3Or c Rf3Receptor has left C LFOr C RFSignal region is not if this moment, ratchet jumped out of automatically
Ratchet, then P Ml1Or P Mr1Work forces ratchet to leave ratchet, makes the control wheel rotation that affranchises:
If experienced driver earlier low-angle turn right or on the contrary, then ratchet can be automatically before turning left
Leave ratchet, so 22 rOr 22 lThen being off state, also is in meeting finishes, control wheel
Automatically, the rotation that affranchises, 22 rPerhaps 22 lBe the lever normally closed switch, logical by 22 among Figure 10
The back of the body end of crossing ratchet one bumps and finishes the function that opens circuit gently.Scheme drawing is: 14, H: use the hand-guided switch, any signal is not all done the receiving system of this car when H opens circuit
With, but the function normal operation still of emission signal, main effect is to prevent to rob car and use during by car.15, BK is the direction of former service brake, and A, P, O are the air valve symbols.A is a pressure export, and P is a pressure entrance,
O is an exhausr port.16, B be front truck just at the sound equipment of meeting, T FThe signal that sends of car backward when being meeting.17, W: lead to electromagnetic valve oil-break road, recover to connect oil circuit during no current automatically.18, Z: lead to magnetic power-transfer clutch is dialled the shelves that make the return trip empty, the neutral gear of every power-transfer clutch is all in each class
Between the position, as long as in the position of each class to from direction push away, then must get back to neutral gear, only actual
To push away to neutral gear at high-revolving several class and get final product.19, R: with the variable resistance of the service brake BK of automobile interlock, function is if service brake is gently stopped, line
The electric current on road only flows to GJ 1, there is not service brake, promptly the driver does not notice and will brake, and collides
GJ in coming 1With GJ 2Anxious simultaneously stopping.GJ 1Work more than half but car also do not stopped stop also straight-through
GJ 2Force automatic emergency stop.20, GJ 1: vice president's energy converting system, function are that the master gently stops.Meanwhile the shelves that make the return trip empty are dialled on the oil-break road.21, GJ 2: main total energy converting system, main heavy brake, the instantaneous repertoire of using up this car, it and GJ1's
Differentiation is the pressure of gas or oil and measures bigger.22, scheme circuit be block scheme also be equivalent circuit, so in a lot of detailed function and a lot of part drawing
Do not draw yet.
Change the signal frequency and change signal active distance process instance according to the speed of a motor vehicle: one, reequip average speed indicator--easier with the active distance estimation that the circuit of digital speedometter is reequiped the frequency of changing signal and changed signal, but can't find this table, so have to be with the reequiping of pointer-type, step is as follows:
1, the scale dish of the speed meter of pointer-type is removed, it is identical with former scale dish to change diameter, but should be to insulate and heat-resisting garden dish, former 80 KM / HThe scale position outside the direction in garden week, move 7～8MM photodiode or photoconductive cell R be installed D80, 100,120 KM / HThe scale position move 6～7 to intracardiac MMR is installed D100And R D120, each R dEntad put and firmly coil in the non-conductive garden, and with each R dConnection jaws be fixed on the edge of insulation garden dish so that wiring.
2, on the planimetric position of former average speed indicator pointer, a garden aluminium flake is installed, diameter is than each R of above-mentioned installation dLittle by 1.5～2 MM, the thickness of aluminium flake is with 0.8～1 MMBe advisable.Being equivalent to the speed of a motor vehicle is on 0 the angle line, opens two rectangular holes, and the width in hole compares R dActual size about 2～3 MM, radial dimension and R dLength identical.The position in hole is rotated through R this two hole D80With R D100The time can be subjected to the irradiation of light fully.See Fig. 9-2, repacking rear surface " top view ".
3, light source is by each R dLast direction RdVertical irradiation, each R dLight source preferably can be provided with separately, and separate mutually interference-free.
4, scheme circuit--this scheme circuit essence is that F and T signal come the active distance of conversion signal frequency and signal according to this vehicle speed among Fig. 9, for example 100～120 KM / HBetween also have the stepless fine setting of trace, M LAnd M RToo, frequency is constant, and the active distance of signal changes according to the speed of a motor vehicle, and its transforming process is finished in the frequency generator within emitter, and Fig. 9 is not shown, and actual track is seen Fig. 9-1,9-2,9-3.Two, the principle of work of example circuit
When the speed of a motor vehicle begins to be enlarged to 80 by 0 KM / HThe time, the R in the outer ring D80At first conducting, relay T RWith J bCircuit roughly the same, by J aThe a of control 1Normally closed opening circuit, J RNot self-locking, a 1Work makes J bSelf-locking circuit open circuit and promptly restore a moment, this moment J bAlso not work, thus to circuit without any influence, the speed of a motor vehicle continues increasing, by 80～99 KM / HThe time frequency be 49.7 5 MHzThe signal of (word with lower frequency and MHz is omitted) is through K49 and K 65The antenna of the normally closed F of being delivered to launch, when the speed of a motor vehicle is 100 KM / HThe time, (certainly can not be so accurate, but a critical line always should be arranged, this just establishes temporarily) because R D100Conducting, the continuous amplification through three aerotrons makes the J that flows through bThe electric current of relay is enough to make J bThe magnetic force that coil produces is inhaled armature down, so K 49(other J of normally closed opening circuit a, J cAlso with J bEqually, but this figure only draws J b, other be omitted).K 49The normal switching closed, so 57.75 signal is through K 49Chang Kaizai is through K 65normally closedly launch by antenna, belong to J this moment bThe b that is controlled 1Open circuit b 2Closed; Because b 2Closure, so J bSelf-locking begins, when speed of a motor vehicle continuation increasing, but no show still 120 KM / HThe time, this moment R D100There has not been the irradiation of light, but because J bSelf-locking, thus 57.75 signal still continue by antenna emission, when the speed of a motor vehicle arrives 120 KM / HThe time, R D120The J after the conducting owing to the irradiation of light cSo work is K 65Normally closed opening circuit, K 65Normal switching close, 65.75 signal begins to be launched by antenna at this moment.Simultaneously because C 1Normally closed opening circuit, J bSelf-locking releasing, so stop to launch 57.75 signal, at J cThe self-locking circuit in, c 2With b 1Series connection is when the speed of a motor vehicle is reduced by high speed, because J cSelf-locking is not so reduce to 100 in the speed of a motor vehicle KM / HBefore still by 65.75 emissions, after reducing to 100KM, because R D100Conducting again, J bTask again, K 49Chang Yukai closed again, so J cSelf-locking releasing, but the releasing of self-locking is at K 49After open contact is connected.With c 2Cond in parallel is to prolong J oThe self-locking time, effect be still can 57.75 and 65.75 signal launch simultaneously and also do not interrupt that and I guess extremely short do not have signal launch time, when the speed of a motor vehicle continues to reduce, at the opposing party's aperture 80 KM / HThe position time because light is to R D80Irradiation, make R D80Conducting, relay J aWork makes a 1Normally closed opening circuit, J RDo not have the self-locking circuit, open circuit and instantaneously promptly recover closed circuit, J bSelf-locking releasing, K 49Normally closed recovery closed, 49.75 signal by the antenna emission, goes round and begins again once more.
Press Fig. 9, whenever f 1When receptor is received the F signal, no matter be the frequency of that one-level, f 1J work is when electric current is transported to GJ 1And GJ 2The time, the relay on the circuit is the signal of switching emission 65.75 immediately, makes F signal maintenance active distance farthest.
f aSignal receiver is installed in the dead aft and the shared supporting of T projector of car, when receiving that 49.75 or 57.75 or 65.75 all is when belonging to the signal of F class, so straight-though relay work of 49.75j or 57.75j or 65.75j, so just will belong to the signal of T class: 77.25 or 85.25 or 112.25 switching emission are gone out, after the T signal received of car must be complementary with the actual relative movement of the P signal of back car, the spacing of two cars must be greater than the back car actual relative movement of the speed of a motor vehicle at that time just, this is the key that the back car can not bump against with the front truck tailstock, and this is to be avoided the principle that shunts into one another.
X 1And X 2Must be in the meeting when circuit has electric current, i.e. m T2J or m R2After the j work, X 1Or X 2Relay work after just 128.25 signal is launched t fJ also is 128.25j, during meeting after car receive after 128.25 the signal of front truck T class, 128.25j work, so the B of back car sends the sound equipment signal: warning can not be overtaken other vehicles this moment.Three, frequency is constant and active distance signal changes with the speed of a motor vehicle
By Fig. 9 and table 2 as can be known, M lAnd M RThe frequency of signal is 288.25 and 328.25 MHz, but active distance is 20,24,28 M24 MBe that speed per hour is 100 KM / HStandard index, and the active distance of this signal is 20～28 M, be example with the F signal, when the speed of a motor vehicle is 100 KM / HThe time, frequency is 57.75, the active distance of signal is 22 M, when speed per hour is 118 KM / HIf active distance still is 22 M, and 120 KM / HThe time be 26 M, this obviously is irrational, so the active distance of signal should be stepless change, the standard of this speed step that table 2 is classified as, essence are the testing standards of establishing temporarily.
Signal generator generally can be divided into two classes.Be power bigger, what active distance was far away is a class, as F, M L, M R, C LP, C RFAnd T F, remaining is another kind of, and promptly power is smaller a little, and the active distance of its signal is also smaller; F 100Frequency generator be to belong to the bigger class of power ratio, establishing the frequency that this producer takes place when using automobile power source direct current 6V is 57.75, its former effective distance is 30 M
An if direct current microgenerator, the similar small generator that is commonly called as bicycle " dozen lamp rubs ", when this dynamo generator contacts with the wheel of bicycle and rotates when its friction wheel, the voltage of its generation increases with the increase of the speed of a motor vehicle, be very significant before certain limit, the speed of automobile is more much higher than bicycle, and its friction wheel is under the limit rotor speed through deceleration, and its voltage that is produced of this dynamo generator is used
Figure A9711523800131
Expression, the standard speed per hour is represented, do not had to its negative pole with is 100 KM / HThe time
Figure A9711523800132
Be x
Figure A9711523800133
But x
Figure A9711523800134
Must be greater than 6V o
J in Fig. 9-1 dBe the also higher relay of features and sensitivity, it has two coils, uses two kinds of shared iron cores of electric current; The line footpath of two coils is identical, the equal turn numbers of line, line around on the contrary, the technology that winds the line on the online framework also differs widely with general winding: two groups of lines each by the outer end of framework to middle spaced winding, one group of line from left to right around, another the group from right to left around, the innermost layer of two groups of lines is identical around the number of turns when middle, does not just have diastema in the junction, simultaneously around last the other side's the second layer, layer by layer in this way, that is to say that two groups of lines are symmetrical to the line of centers of iron core, like this when connecting the power supply of two kinds of identical voltages, if as accompanying drawing connection, its magnetic force is 0 or is 0 substantially when then testing, at this moment J dThe normally closed closure of being controlled, when the voltage that passes through when any one coil is higher than another coil, high-voltage one group of a group of the magnetized magnetic force of iron core being higher than low pressure of coil then, except that offsetting, also show its magnetic force, so normally closed disconnection of coil control, the normal switching closed, though also have additive method can reach and J dIdentical functions, but J dParts just only are being both simple and practical a kind of at present.
Be located at above-mentioned J dLine range in, use automobile power source 6V, removing R oThe back is directly to 57.75 producer power supply, and establishing the active distance that records 57.75 signal is 30 M, string is gone up R on the line again oAfter test again, select R o, require R on string oAfter the active distance that records be 22 M, met just that speed per hour is 100 in the table 2 KM / HDefinite value, i.e. F 100Active distance is 22 M
Being located at automobile is 100 in the standard speed per hour KM / HThe time, with (the simulation that yes, but require its linear velocity and 100 of the front-wheel somewhere of the friction wheel of above-mentioned small-sized DC electrical generator contact automobile KM / HShi Xiangtong) generating is established the voltage that recorded at that time and is
Figure A9711523800135
, but Must more than 6.5V, below the 9V, use
Figure A9711523800137
Directly to 57.75 producers power supplies, make it work after, establish the active distance that records signal this moment and be made as 32 M, string is gone up R on the line again 1, regulate R 1Making active distance is 22 M, s like this 1With-, s 2Identical with the current potential of , use s 1With-, s 2Insert J with by figure d, when the speed of a motor vehicle surpasses 100 KM / HThe time
Figure A9711523800141
Height during than test, J dThe magnetic that shows unshakable in one's determination, normally closed opening circuit,
Figure A9711523800142
Through R 1To the power supply of 57.75 producers, owing to operating voltage has improved, so the active distance of 57.75 signals is just big than 22M, but also can not be excessive, because speed per hour is 120 KM / HThe time just can be automatically converted to 65.75 frequency, be very important so select the voltage when unloaded,
Figure A9711523800143
Increase desirable should be the increase of arithmetic stage numerical expression, the size of the diameter of friction wheel, all there is very big relation at the position of contact front-wheel with the rotating speed of small-sized DC electrical generator, by preferably, makes
Figure A9711523800144
Be in the most significant scope of variation simultaneously with the speed of a motor vehicle, the active distance of signal has just been adjusted with the speed of a motor vehicle basically synchronously so, so should be 118 with the speed of a motor vehicle in the test KM / HTest, if the active distance of this moment is not greater than 120 KM / H26 of speed per hour MThe setting numeral, just the speed of a motor vehicle is by 100～120 KM / HBetween variation, the active distance of signal is also by 22～26 MChanging, this is the active distance of signal and the groundwork that the speed of a motor vehicle changes synchronously.By Jd and circuit thereof when realizing the purpose of its variation, M lAnd M RBy 20～28 MThe centre also will add 24 MThis one-level, a side but because the needs of test, be on the other hand make all compare before, during and after the variation of active distance of signal even.In above each figure (Fig. 1-12), the Arabic number that indicated on every width of cloth figure only are as the criterion with the explanation of each figure.Discuss principle of the present invention in detail and support embodiments of the invention below in conjunction with the explanation of above-mentioned each figure:
In conjunction with following embodiment, the principle of work of describing electronic anti-collision device for automobile involved in the present invention in detail and with the designed technical scheme of principle after, this paper last again respectively with the form of table 1, table 2 repeated configuration of automobiles behind this device current intelligence and institute's reference or select projector on probation, the frequency meter and the cooresponding data of receptor, its objective is theoretically and put into practice the realistic meaning that this device of use is described more.Enforcement of the present invention is that orientation has been installed 10 classes on each orientation of automobile.Every class contains 1-3 kind or more signal projector and 34 the corresponding signal receivers that also can launch various frenquency signals continuously, all the other each class signals are only launched a kind of signal of frequency at one time except that T class signal, the frequency that they are launched can be changed, condition according to three aspects is changed: promptly: 1. according to the speed of a motor vehicle of this car, 2. according to the kind of his car signal frequency, 3. according to the signal of the 3rd car meeting.This specification sheets of projector of the various signals of above-mentioned 10 classes is done code name with an English capitalization, use first letter representation of the English in former orientation, as the front, rear, left and right order with F, T, L, R.The digitized representation speed of a motor vehicle in the F and the T lower right corner, but KM / KPromptly be omitted, for example speed per hour is 100 KM / HThe signal F in dead ahead 100Do code name; Be both meeting or be both the position, angle and add in addition in the uppercase lower right corner that then smaller capital letter is to show differentiation all around, as M LAnd M RRepresent the signal of left and right sides meeting, C LFAnd C LTRepresent the signal of left-front corner and left rear corner, C RFAnd C RTRepresent the signal at right front angle and right back angle; The numeral in the lower right corner is still the representative speed of a motor vehicle at that time, as C LF120Be that to represent speed per hour be 120 KM / HThe signal of left-front corner.Each signal receiver is then represented with corresponding English lower case, represents the receptor of F signal as f.The f receptor has 4, and not only position difference of An Zhuaning but also function are also different fully, and or else receptor is then distinguished with letter, distinguishes with numeral in the lower right corner of receptor respectively, then is divided into f as f 1, f 2, f 3, f 4, position, shape, requirement and the different time of existing position, function and receptor with all kinds of signals and signal projector thereof receives that identical signal effect in the line etc. lists among the table 1.Table 1 is to be 80 with the automobile speed per hour KM / HFor benchmark, table 1 and hereinafter being defined as follows about the active distance of actual relative movement and signal:
Actual relative movement: the anxious actual coast distance that records of stopping of automobile at full load, unit are rice (following complete a use M) because the actual relative movement that the automatic urgency that can't obtain surveying is now stopped, calculate for convenience and the memory event to establish speed per hour temporarily be 80,100,120 KM / HActual relative movement be 8 in proper order M, 10 M, and 12 M
The active distance of signal: the signal of certain frequency is its corresponding signal receiving amplifier farthest distance during normal operation smoothly under certain conditions when power is constant, and unit is M.
Do test with the remote control transmitter of vision receiver and the receptor of vision receiver itself, former projector working voltage is direct current 3V, and its active distance is as follows after reducing pressure:
Direct current: V distance: CM 1.2 ?1.3 ?1.4 ?1.5
Effectively work 381 ?460 ?502 ?625
By work 411 ?490 ?533 ?655
Effectively with the boundary that ends 30 ?30 ?31 ?30
The applicant also once did overtesting with the CRC-861 type teleswitch of commodity, the projector of this remote controller uses direct current 3V power supply, receptor uses the alternating current 220V power supply, 6 switches of a remote controller may command, the receptor retail price of projector and per two switches is just sold 45 yuans in December, 94, owing to be the low value product, precision is not high, service condition do not have a vision receiver that works to say so 100% reliable but active distance can be to 15 M, when test distance 15.5 MShi Shiju eight or nine can not work, sometimes also once or secondary workable, 16 MThe time just fully by work.From above-mentioned test results, it effectively has only 30 with the boundary that ends remote controller that precision is a little better and receptor CM, in the vehicle electronics collision avoidance system, effectively have 1 with the boundary that ends MEnough, so the active distance of signal that this specification sheets utilizes is a failure-free.
The difference that the active distance of each signal needs because of function, also inequality on design-calculated calculates, the foundation of calculating is as follows:
The F signal is to prevent that the other side from head-on hitting, so the active distance of F is: actual relative movement * 2+2 M
M LAnd M RMainly for the meeting service, so M LAnd M RActive distance be the active distance of F+2 M
C LFAnd C RFBe the vertical substantially collision of line of centers that prevents cross roads or two cars, so C LFAnd C RFActive distance be: (actual relative movement+2 M) * 1.5.
Should * 2 But it is very big that the width of considering car differs, so change 1.5 into.
L and R prevent that his car from hitting the left of this car or right-hand, and the active distance of L and R is: actual relative movement+2 M
T, C LTAnd C RTSignal be prevent his car by the dead aft or about the back angle collision come, the collision of original this moment is dynamically following collision, main hit or quilt hit all have one equidirectional or multiply by the speed of the positive chord line at certain angle.Slightly small capital is enough than actual relative movement for the active distance of these three kinds of signals so, if but consider that a side who is hit also might be in static following time and be hit, then the active distance of these three kinds of signals still should be: actual relative movement+2 M, this explanation is to handle with latter event.
Now with the active distance of the signal of above 10 classes comprehensively in a planar view, be Fig. 7, the accurate horizontal section of any one signal region all is to be the garden heart with the emitting antenna in Fig. 7, the active distance of signal is formed by the fan-shaped of radius, test factually: the signal projector is placed in the protective cover of an angle, the both sides of guard shield are prolonged to show fan-shaped signal scope with straight line, corresponding receptor is in this signal region, receptor can be worked smoothly, and receptor is not in signal region or exceed minimum angle or 1 CMJust can not work, signal is the light current magnetic wave, does not have secondary reflection, it is exactly secondary reflection, since extremely weak under set condition receptor also can't amplify, and electromagnetic wave is strict with rectilinear propagation, so the utilization to the reception of the emission of orientation and orientation also is a failure-free in the specification sheets.In Fig. 7, be 10 with all active distances MThe upright net of signal formed the signal 10 that is referred to as automobile MObject-line (calls 10 in the following text MObject-line) by C LF, F and C RFActive distance be 18 MThe upright net of signal form be referred to as 18 MCosta.
For the ease of analyzing, search, now the projector and the various types of set position of signal receiver of all kinds of signals described in the table 1 being listed in the planar view, be that Fig. 8, Fig. 8 essence are the full-page proofs of (9) among Fig. 7, because the height of various automobiles differs very big, 10 MObject-line and 18 MThe line of centers that all each signal is found the horizontal direction of net in the costa is arranged at liftoff 60 CMSo the place is the setting height(from bottom) of signal projector not necessarily liftoff 60 CM, more also not necessarily horizontal setting, only require horizontal central line at the upright net of the signal of actv. distance be substantially liftoff be 60 CMThe signal receiver optimum is about 60 liftoff CMInstall at the place, but can not exceed 50～70 CMOutside.
Two, Fig. 9 is an electronic anti-collision device for automobile principle of work circuit block diagram, and problem is for convenience of explanation now supposed as follows:
1, name: V OBe the coordinate car, be assumed to be car, the V that to be hit CBe his car, V CXWith V OHis car when variant relative position, or the 3rd car.
2, transmitting frequency: it is employed to establish the listed frequency of employing table 2, frequency that table 2 adopted temporarily and be a kind of projector and receptor that has become commodity, but can only be as the reference of experiment and demonstration, can not be practical, because practical frequency essential approval and approval through a lot of relevant departments also relate to the relevant agreement problem between the world.
Before supposing automobile to be installed by the electronics anticollision device two cars bumping against so, no matter be which kind of speed of a motor vehicle, always there is a side or both sides' signal receiver to receive the other side's signal related, if the situation that two Fig. 7 are simulated before two cars bump against just can obtain above-mentioned conclusion, (the most handy clear films of Fig. 7 above when simulation is bumped against is drawn), can suppose that also two cars are through collision, V have taken place OFor being hit V CBe main hitting, the signal of analyzing instantaneous two cars before bumping against again transmits and receives situation, and method is: V OGenerally can straight line draw back V CAccordingly can straight line or retreat to the left and right with camber line, because the speed of a motor vehicle can suppose to equate or do not wait, so as long as be backwards to 10 MObject-line or 18 MOn the costa, must there be a side or both sides' signal receiver to receive the corresponding signal of the other side so, also the automobile of Fig. 7 simulation can be placed on 10 of an other car arbitrarily MExternal Cordon Line or 18 MOn the costa, but conclusion is all with above-mentioned the same.
Now to avoid shunting into one another and working as V of automobile OWith V CDuring meeting, V COAt V OThe super V of back desire OAnd the V that causes CWith V COCollision be the function of example explanation vehicle electronics collision avoidance system.
If V OThe speed of a motor vehicle be 80 KM / H, V CThe speed of a motor vehicle is 100 KM / H, V COThe speed of a motor vehicle is 120 KM / H
1, avoids the analysis of headon collision: as the V among Figure 11 OWith V CSubstantially align and head-on sail, according to table 2:V OF 80The active distance of signal is 18 M, V CF 100Active distance is 22 M, V CF 100Compare V OF 80Big by 4 M, V OWith V CTravelling in opposite directions, must be V so OF 1Receptor is at first received V CF 100Signal, its frequency is 57.75MHz (following MHz is omitted), according to Fig. 9, V OF 1The j amplifier is because had the input of signal, f after amplifying 1The work of j in-to-in relay is so there is electric current output to lead to GJ 1And GJ 2, meanwhile, make V OThe F projector signal of switching emission 65.75 (is seen Fig. 9 F by the signal of original emission 49.75 9P4).65.75 the signal active distance be 26 M, work as V OReceive V CF 80At first instantaneous, V OApart from V CBe 22 M, the V of this moment O65.75 signal active distance of emission is 26 M, this has been powerful signal concerning Vc, the f of Vc 1After receiving this signal, the f of Vc 1J also works immediately, the f of Vc 1Relay in the J is to GJ 1And GJ 2The signal of switching emission 65.75 again in the time of outgoing current, Vo has begun to GJ when the signal of receiving 57.75 1And GJ 2Power supply makes it work, after when not only receiving 65.75 signal but also many circuits to GJ 1And GJ 2Power supply, two-lines road by the relay power supply, are same power supplys all, and this is to GJ 1And GJ 2Do not have bad influence, so the time Vo and Vc GJ 1And GJ 2All work simultaneously, Vo and Vc are stopped stop, the actual relative movement of Vo has only 8 M, the actual relative movement of Vc is 10 MSo after Vo and Vc stopped and stop, the distance of Vo and Vc was: 22 M-(8+10) M=4 M, so Vo can not bump against with Vc.
2, establishing Vo and Vc is meeting, sees Figure 12, and Vco travels with the track is equidirectional at back and the Vo of Vo, and Vo is 24 apart from Vc MIn the m of Vo 12Receptor has promptly been received the ML of Vc 100The signal active distance is 24MFrequency is 288.25 meeting signal, the m of Vo 12The j amplifier can only amplify the m of Vo to 288.25 signal L2After the j work, through the relay second time, X 1Circuit just has electric current to pass through, and (sees Fig. 9 K L1Self-locking circuit and Fig. 9 of 3 illustrate F 9P4) in the T signal generator, by X 1The relay of circuit control is relay for the third time, the normal switching that this relay is controlled is closed, so 128.5 signal is just launched by the T projector, 128,25 signal is additional issue rather than conversion, the T signal is to be launched by the T projector of the tailstock, T signal projector faces the front of the Vco that follows, and 128.25 active distance is＞20 M, t and t fBe same receiving wire, the F of Vco 120The active distance of signal is 26 M, Vco is apart from the Vo tailstock 26 MIn, the f of Vo 2Just received the F of Vco 120Frequency is 65.75 signal, so Vo is by original emission T 80And switching emission T 120Its frequency is that its active distance of signal of 112.25 is 14 M, 112.25 signals of Vo emission make Vco follow the spacing of Vo must not be less than 14 M, because Vco is slightly smaller than 14 apart from Vo MThen the tj of Vco just can work to GJ 1Outgoing current is gently stopped Vco automatically, and Vco is apart from Vo GJ closely then again 2Also can work at once, even Vco be stopped stop, the actual relative movement of Vco is 12 at this moment M, no matter any reason, if Vo has stopped getting off suddenly, but the T signal do not stop paying out because of the parking of Vo, can receive 112.25 signals of Vo so Vco is carried on as before, so can be automatically 12 MAutomatically stop within the actual relative movement and stop, so can avoid the headstock of Vco to bump against the afterbody of Vo, the relation of any front and back two cars is all as Vo and Vco, so can avoid shunting into one another of automobile.
128.25 the signal of Vo because of receiving that the meeting signal issues additional, Vco is 20 at distance Vo MIn the t of Vco fJust can receive this signal, at this moment the t of Vco fJ work, then the sound equipment sounding of Vco, so Vco is 20 at distance Vo MIn promptly known front truck Vo just at meeting, warning can not be overtaken other vehicles Vco at this moment, if Vco this moment ignores the warning of sound equipment, overtakes other vehicles by force, situation is identical with above-mentioned (1) so, so Vco can not bump against (being Vo and the Vc among Figure 11) with Vc yet.
3, Vcx hits left rear corner or the right back angle of Vo, also is the f of Vo 3Or f 4Receptor is received the F signal of Vcx, and establishing F is F 100Then frequency is 57.75, if be F 120Then frequency is 65.75, at this moment the C of Vo LTWith C RTProjector is still launched original frequency, i.e. C LTEmission 471.25, C RTEmission 543.25, frequency is not changed, but the intensity difference of signal, and the active distance of signal is respectively by original 10 MIncrease to 12 M, or by original 10 MIncrease to 14 M, the actual relative movement of the Vcx of this moment is 10 MOr 12 MSo, also can not bump against.
In Fig. 9 every want inversion frequency or change the signal active distance all with explanation in F 9The circuit of P4 is basic identical, so again less than the explanation of all conversions all being done roughly the same.
Three, meeting
The function of various types of signal is crashproof on the one hand in the vehicle electronics collision avoidance system, must allow again on the other hand automobile normal operation such as meeting, overtake other vehicles, do not hindered by car etc.The meeting and the groundwork of overtaking other vehicles are to utilize meeting or must at first pass through that signal region when overtaking other vehicles at native system, leave that signal region at last, it also is the sort of signal that to receive at first, what receive at last when leaving is the sort of signal, utilize the signal receive at first interrupt must through the outlet line of signal region, and unite delay timer, speed class switch, the angle master cock makes meeting and overtakes other vehicles not interrupted; Utilize the signal of receiving at last to finish meeting or overtake other vehicles to make it to recover original crashproof state, in the combination receptor of Fig. 1, f 1, t, l 1, r 1Be master antenna, according to Fig. 7, regardless of being meeting or overtaking other vehicles l 1Or r 1Signal receiver all must be received the other side's L or R signal, the l in Fig. 9 for this reason 1J and r 1Be provided with K on the outlet line of j L13 and Kr 13.(following is example with the keep right) establishes Vo and Vco meeting, and as Figure 11, Vco is sailed by the left front of Vo, according to Fig. 8, and the m of Vco L2Receptor must be received the M of the other side Vo earlier LSignal, (the m of Vo L2Also receive the M of Vco simultaneously LThe do not draw M of Vco of signal, Figure 11 LThe signal scope) according to Fig. 9, l 1K on the j outlet line 113 intrasystem m L2J work, m L2Just (see the m among Fig. 9 to three aspect power supplies after the j work L2The dotted line scope of j) promptly: to relay coil power supply (promptly above the relay second time of indication), to D L1, Jm L1Power supply is simultaneously with K F1Normally closed opening circuit, m L2The work of j has 5 functions:
(1) interrupted the l among Fig. 9 1GJ is led in j output 1And GJ 2The current path of X.
(2) delay timer Dl 1Owing to the electric current input has been arranged, has started working, by Dl 1The normal switching of being controlled was closed 0.4 second.
(3) because K L1The function with above-mentioned (2) is closed in 3 normal switching, makes K L1The 3 self-locking circuits of often opening have had the loop, so self-locking begins.
(4) Fig. 9 leads to the front end and the f of F emitting antenna 12 K of the rear end of j F1Normally closed opening circuit.
(5) J of crashproof insurance Ml1Start working.
Because above-mentioned function 1. makes Vc 2Can interference-freely drive into the L signal region of Vo, Vc 2Continue to travel in opposite directions with Vo, work as Vc 2M L2Receptor has not received the M of Vo LAfter the signal, i.e. Vc 2L 1Receptor has entered the L signal region of Vo, at this moment Vc 2L 1Receptor is easy to but receive that the L signal of Vo (sees the Vc of Figure 11 2), because can not receive the M of Vo again LIf signal is Vc at this moment 2K L13 line systems do not have self-locking, then Vc 2Promptly can be stopped and stop, this must be avoided.Because Vc 2Self-locking has been arranged, so Vc 2L 1Though receptor has been crossed the L signal region and Vc 2Vehicle body still stay the L signal region (as the Vc of Figure 11 1), this moment l 1The electric current output of j still continues to open circuit, until Vc 1C Lt2Signal receiver enters the C of Vo LTSignal region, promptly the tailstock has entered the C of Vo LTSignal region is (as the Vc of Figure 11 4), because c Lt2The work of j, meanwhile, Vc 4L 22Signal receiver has also left the L signal region of Vo, makes In
Figure A9711523800202
Discharge, Work, self-locking obtain removing K L1It is closed that 3 switches recover, l 1At this moment the outlet line of j just is restored, at this moment normal meeting has just finished.c Lt2J with
Figure A9711523800204
Remove says on the function of self-locking circuit not only identical but also be series connection, but still essential setting, reason is: cond is instantaneous and c to the discharge of coil Lt2The both stable and work-hours of the function of j than Right The work-hours of coil discharge will be grown, and reliability also has other reasons to have to keep more greatly like this Also has another kind of situation during meeting, as the Vc of Figure 11 5At D L1After starting working but before the no show 0.4 second, be made as in 0.2 second the L signal region that right-hand corner has left Vo, i.e. Vc 5The C by Vo not LTSignal region also is Vc 5Left rear wheel left the L signal region that once entered since Fig. 9 in
Figure A9711523800208
Function, promptly when l2j no longer to
Figure A9711523800209
It is right that charging is transferred During discharge, make
Figure A97115238002011
Coil is controlled, and normally closed the opening circuit a moment on self-locking circuit, this also can make self-locking obtain removing, and makes K L13 recover closed, like this l lThe outlet line of j has also just restored, and more than is general several meeting situations.
The J of crashproof insurance system during meeting Ml1And P Ml1Also cooperate participation work, but do not hinder meeting.This system architecture mainly comprises: 1. see Figure 10 with coaxial opposite ratchet and the ratchet of two cover directions of control wheel axle, and 2. ratchet engagement braking and ratchet disengaging brake structure, 3. the circuit of 0.4 second delay timer and 22r input front end also participates in work.
The radical function and the principle of work thereof of crashproof insurance system are: during meeting, when two workshops every greater than 0.5 MAnd less than 10 MThe time, this moment separately m L2Signal receiver promptly can be received the other side's M LSignal, m at this moment L2J promptly has electric current output, as can be seen from Figure 9: m L2J when output be with 4 pairs of contacts, and wherein a pair of is the coil power supply to relay, by the second time relay with the delay timer D that delayed time 0.4 second L1The closure of often opening makes the self-locking circuit that the loop arranged, then self-locking begin because
Figure A97115238002012
And P Ml1Must use the power supply of automobile during work, thus must be by relay power supply with auto-lock function, if because two cars is spaced apart 9～10 during meeting MThe time, m at this moment T2The work-hours of j is just very short, is made as 0.05 second or shorter, as not self-locking, works as m L2After j quits work, P Ml1Be non-transformer work, so must self-locking.
During meeting, by m L2The j beginning of working, J Ml1Magnetic just have power supply input to start working, promptly draw by the direction of arrow among the figure (16) among Figure 10, makes ratchet and ratchet engaged, begins control wheel from this moment and can only turn right and can not turn left, two cars continue to travel in opposite directions, work as c Lf3Signal receiver enters the other side's C LFLeave C after the signal region again LF(see the Vc of Figure 11 in the signal region 6) because
Figure A97115238002013
In Work makes X is closed in the normal switching of control 1Electric current through (22 r) transport to P again Ml1, promptly (6) clash into (7) among Figure 10, the rotation so control wheel affranchises again is because D L1Recover normally open (i.e. time-delay finishes) and above-mentioned c Lf3-
Figure A9711523800211
Be in parallel, no matter D L1With
Figure A9711523800212
That first work can make P Ml1Work is if the speed of a motor vehicle is 80 KM / HThen the time of the two work can be described as simultaneously, during meeting, at D L1After the work, also be m L2J 0.4 second after starting working, two cars can not bump, so should not wait at c Lt2After the j work, indicate that promptly meeting just allows the control wheel rotation that affranchises in thoroughly finishing, because meeting has often just crossed the other side's C when then turning left afterwards again at headstock LFSignal region promptly will slowly begin to have rotated control wheel, and the structure of Figure 10 is at m for fear of the driver L2Received M LAfter the signal but no show by force control wheel was turned left before 0.4 second, the manufacturing car accident of promptly having a mind to, or the not enough skillful driving person of some experiences, desire to be close to the other side's tailstock and turn left, but grasp badly to the time, the too early rotation control wheel, under these circumstances of having shifted to an earlier date, because ratchet is also at tightly the tooth root that heads on ratchet, therefore may not rotate, owing to be provided with the structure of Figure 10, so can avoid the car accident of having a mind to during meeting.
In Figure 11, work as m L2After the j work again not before 0.4 second, control wheel turns left, this moment, the power essence that turns left of control wheel was a kind of covert Gong Gang effect, be ratchet (1) with its strong tooth root head on ratchet (2), therefore (2) be not easy to break away from ratchet (1), the P among Fig. 9 Ml1Instantaneous exoergic, make (6) bumps (7) among Figure 10, ratchet is separated with ratchet by the direction perpendicular to the plane of ratchet, because it is orthogonal that (1) acts on the direction of power of direction and (6) bumps (7) of power of (2), empirical evidence, it is feasible with such method (2) and (1) being broken away from, during driving because the chance of meeting is a lot, if P after the meeting each time Ml1Portion wants instantaneous exoergic once, also be (6) essential instantaneous bump (7) once, frequent like this bump not only makes structural device damage easily, and bump itself also is a kind of noise, the people is felt put about, so be provided with 22 among Figure 10, its function is: when the tip location of ratchet (2) during just at two ratchets of ratchet middle, or control wheel (essence also is the centre of the tip of ratchet at two adjacent ratchets) after low-angle turning clockwise, ratchet (2) has broken away from ratchet (1) automatically, (2) are owing to the effect of tension spring (20) will inevitably contact with 22 gently at that time, (22) be the normally closed switch of a tribute thick stick type, when open circuit when 22 contact (2), because 22 among Fig. 9 rOpen circuit, so X 1Electric current can not arrive P Ml1, also be that (7) can not be clashed in (6) of Figure 10, the control wheel rotation that affranchised, meeting also is through with.
Four, overtake other vehicles
The situation of overtaking other vehicles has two kinds substantially: a kind of is with the overtaking other vehicles of track, before promptly overtaking other vehicles, and the same lanes of front and back two cars, and back car Vco is slightly larger than 10 apart from front truck Vo M, see Figure 12, at this moment Vco overtakes other vehicles and generally will pass through the T signal region of Vo; Another kind is overtaking other vehicles of different tracks, as Vc 1Then do not need the T signal region by Vo, the D among Fig. 9 THDelay timer and A 4Be connected on the outlet line of tj D after the parallel connection again THBe that car Vco uses after specializing in when overtaking other vehicles with the track, D THBe to connect normally closed delay timer in 2～3 seconds, rise that it is installed in the upper end of gear change hand lever, be about 4～5 apart from the top of handle by the microchronometer of pressing CM, A4 is＞± 40 ° of angle switchs by control wheel control that open circuit, overtake other vehicles last as essential speed change, just when the palm of the hand is according to the gear change hand lever top, click D with the middle finger or the third finger THButton makes D THOne side of the outlet line of cut-out tj 2～3 seconds is because D THBe and A 4Parallel connection will be satisfied this two condition, means that promptly Vco is the T signal region of sailing Vo to the left or to the right sideling into, has only the D of satisfying THAnd A 4Condition in parallel, the T signal region that this moment, Vco sailed Vo into just can not stopped stops.Though if be to overtake other vehicles with the track, also without the T signal region of front truck, just but surmounted forward in the outside, edge of the T of front truck signal region, as Vc 1, and the driver was through pressing D TH, like this driving is not had influence yet; No matter be that a kind of overtaking other vehicles, all must be by the C of Vo LT, L, C LFAnd M LSignal region, (interval of two cars surpasses 10 MAs Vc 12Overtaking other vehicles promptly of this moment, but Vc at that time without the L signal region 12L 1Also can not receive the L signal of Vo, therefore also can not stopped at that time and stop, overtake other vehicles and still can carry out normally) left side of Vo faces toward the right of the car Vcx that overtakes other vehicles when overtaking other vehicles, and is installed in the c in the automobile combination receptor foremost Lt1Signal receiver is the C that impossible receive Vo LTSignal, because the combination receptor has middle plate washer, the side that quilt is super when overtaking other vehicles is at the right of overtaking other vehicles a side, C LTPlate washer arrived the c of left in the middle of signal can not be crossed Lt1Receptor.
As long as the interval of Vcx and Vo is slightly less than 10 when overtaking other vehicles MJust must be by the C of Vo LTSignal region is crossed C by Fig. 7, Vcx LTSignal region promptly enters the L signal region after (referring to make up the position of receptor), at this moment the l of Vcx 1Receptor just can be received the L signal of Vo, so must be before Vcx enters the L signal region of Vo with the l of Vcx 1The j outlet line interrupts, otherwise works as the l of Vcx 1The L signal region that signal receiver has just entered Vo is about to be stopped stop, and this hinders drives a vehicle normally and be to avoid.Since Vcx must be by the C of Vo LTSignal region is seen the Vc of Figure 12 1, therefore be provided with c Lt3Receptor utilizes c Lt3Cut off l 1The outlet line of j, the K among Fig. 9 L12 and intrasystem circuit be provided with for such purpose, work as Vc 1When overtaking other vehicles, its c Lt3Signal receiver enters the C of Vo LTAfter the signal region, because corresponding signal input, c have been arranged Lt3J promptly has power supply output, at first makes c Lt3The K that j controlled L12 normally closed switchs open circuit, and simultaneously to D L2Power supply, l like this 1The outlet line of j promptly has been interrupted; K meanwhile L1D is closed in 2 normal switching L2Often opening of being controlled is also closed simultaneously, and self-locking begins, Vc 1Continue the L signal region overtake other vehicles to overtake and just entered Vo, promptly be in the Vc of Figure 12 2Relative position, this moment Vc 2L 31Signal receiver promptly can be received the L signal of Vo, so l 3J (is l 31J) normal switching is closed
Figure A9711523800221
Charging, Vc 2Continue to overtake other vehicles forward, as the Vc of relative position at Figure 12 3The time, Vc 3The l at right back angle 32Signal receiver has left the preceding sideline of the L signal region of Vo, this moment because Cond
Figure A9711523800223
Discharge makes
Figure A9711523800224
It is instantaneous to work,
Figure A9711523800225
Normally closed of being controlled on the self-locking circuit of being series at also opens circuit instantaneously, so just makes self-locking circuit obtain removing K L12 also just recover closed, so l 1The outlet line of j has also just restored, at this moment Vc 3Hind axle surmounted Vo foremost, overtake other vehicles and just finished, this is modal a kind of overtaking other vehicles.
Overtaking other vehicles also has multiple situation, as turnon left when overtaking other vehicles, and has changeed in the past just entered the L signal region of Vo sometimes, also may just enter the C of Vo LTSignal region just left-handed turning in the past, it is unsuccessful also to overtake other vehicles, anti-leading again by Vo, overtaking other vehicles so repeatedly, Fig. 9 has taked following circuit for this reason.
The L signal region that Vcx has just entered Vo is turnon left just, as the Vc of Figure 12 4, because Vc 4Be not enter the C of Vo LFBefore left-handed turning in the past, so Vc 4C Lf2Signal receiver is the C that impossible once receive Vo LFSignal, but because Vc 4Be C through Vo LTSignal region enters the L signal region again, presses Fig. 9, K L12 normally closed through opening circuit, control K L12 the self-locking circuit of often opening has had the loop, works as Vc 4L 32Signal receiver has left in the L signal region of Vo, because
Figure A9711523800231
Cond
Figure A9711523800232
Discharge makes
Figure A9711523800233
The normally closed switch of being controlled opens circuit and moments later recovers closed, so promptly can make self-locking circuit open circuit l 3Often opening that j controlled also recovers to open circuit K L12 normally closed recovery is closed, l 1The outlet line of j has also just restored.
If as the Vc among Figure 12 5Do not enter the signal region of the L of Vo, but just entered the C of Vo LThe T signal region is just turned left, and this moment is because c Lt3J and D L2Through working K L12 normally closed self-locking also begins through opening circuit, D L2The closing period of delay timer has only 0.7～1.3 second, above this time also automatic switch off, works as D L2Self-locking has also just been removed in opening circuit, so K L12 normally closed also just opening circuit recovered closed in 0.7～1.3 second afterwards, also was l 1The outlet line of j only interrupts restoring afterwards in 0.7～1.3 second.
The Vc among Fig. 12 and for example 6Vo is overtaken other vehicles unsuccessful and instead surmounted by Vo again.c Lf2The position of signal receiver is after the hind axle of the right of automobile about 30 CMTo last place, Vc among Figure 12 6C Lf2The relative position of receptor and Vo is Vc 6Be retracted into the C of Vo LFRecess C after the signal region again again LFSignal region is learnt by Fig. 9: K L11 normally closed be by
Figure A9711523800234
In
Figure A9711523800235
Control because c Lf2Be and l 38Receptor is with one 45 ° the Tan that protects, so at c Lf2Receptor just has been retracted into C LFK in the signal region L1L on 1 the self-locking circuit 32Often opening that j controlled is closed, l 31And l 32Circuit be in parallel, as long as one of them receptor receives that the L signal can keep l 3jFunction, also have only l 31And l 32All left in the L signal region
Figure A9711523800237
Just right
Figure A9711523800238
Discharge, so, K worked as L1K in 1 normal switching is closed L11 line system self-locking promptly begins, and Vo continues at Vc 6The right leading, then Vc 6L 1Signal receiver also just has been retracted into the L signal region of Vo, but Vc at this moment 6L 1Also can not receive the L signal of Vo because all by L signal that Vo launched by l 1The right abaft of signal receiver is penetrated, f in the combination receptor 1, t, l 1And r 1Public receiving wire, the guard shield back of combination receptor is the impenetrable plate washer of electromagnetic wave, so the L signal that Vo launched can not arrive l this moment 1Receptor is as the Vc of relative position at Figure 12 7The time (Vc 7L 1L than Vo 1After a while) Vc at that time 7L 1Just may receive the L signal of Vo, at this moment because the function of self-locking, K L11 normally closed still the continuation opened circuit, and also is l 1The output of j is still opened circuit, though Vc 7L 1Receptor has been received the L signal of Vo, but owing to has interrupted l 1Therefore the outlet line of j can not influence both sides' driving, when relative position at Vc 8The time, because l 31Receptor has been recessed the back sideline of the L signal region of Vo, K again L11 since self-locking circuit on
Figure A9711523800239
Right
Figure A97115238002311
Discharge, K L11 and K L12 self-locking circuit all interrupt a moment, but this moment l 1The output of j still continues to open circuit because this moment c Lt3Received C again LTSignal, c Ll3J is task again, D L2Closed again, K L12 the self-locking of often opening constitutes the loop once more, at D T2Started working back 0.7～1.3 second, no matter be to have more than half vehicle body to stay C LTThe Vc of signal region 9, still broken away from C fully LTThe Vc of signal region 10, self-locking circuit is because D 12Automatic switch off and remove self-locking, K L12 normally closed recoveries are closed, surpass in reverse car like this and just are through with.
Vcx and Vo be overtaking other vehicles repeatedly mutually, and essence is that Vc travels on different tracks with Vo and overtakes other vehicles, when this car of Vcx autonomous cruise speed system is pressed K among Fig. 9 11 self-locking line work and the left side of Vo relative step back in, the autonomous cruise speed system of this car of Vo is then pressed the K among Fig. 9 R12 self-locking line works and are overtaken other vehicles on the right side of Vcx, and same Vcx presses Kl 12 self-locking line works when overtaking other vehicles in the left side of Vo, and Vo then presses K R11 self-locking line work and in relative the stepping back in the right side of Vcx, Vcx also can place side by side in different tracks simultaneously with Vo and travel, at this moment the l of Vcx 1The outlet line of j is through opening circuit the r of Vo 1The outlet line of j also opens circuit, so both sides are interference-free mutually.
Vehicle body is more than half also in the L of Vo signal region when Vcx overtakes other vehicles, and the combination receptor has entered the C of Vo already LFAnd M LThe Vc of signal region such as Figure 12 11Because the C that Vo launched LFAnd M LSignal all is by Vc 11The right abaft come and Vc to penetrating 11C Lf1, m L11With m L12The right abaft of receptor is to all being the protective cover that electromagnetic wave can not pass through, so Vc 11Though, can not be interfered to overtaking other vehicles saying it is to be within the scope of these signals on the position.
Five, the relation of speed, angle and control system
There are 4 among Fig. 9 by the normally closed switch of connecing of speed control, i.e. v 1, v 2, v 3And v 4, all be low-tach, at Fig. 9 F is described 9Say among the P4 that the portion that reaches is high-revolving, low-tach and high-revolving should not mixing, as balance is different from the platform scale in food market, in order to utilize the existing the sensitiveest stage of speed meter, high-revolving will be through slowing down, will the quickening of very low speed, but principle is identical, also all to accept or reject v more then as required by relay by light-operated 4Be that speed is less than 5 KM / HIn time, open circuit, and its function is the use of going slowly when leaning on car and traffic tie-up, so control v 4Be not only an independent repacking speed meter and require sensitivity higher.
A is a control wheel angle master cock, in the existing explanation of the explanation (8) of Fig. 9, removes A 5Be connect normal over, all the other A 1～A 4All connect normally closedly, the effect that control wheel and speed condition each other in addition in electronic automatic control system is as A＞A 1The time, car speed can lower automatically, gradually reduce to 45 KM / H, A 1＜A＞A 2The time can be by at a high speed excessively reducing to 50 gradually KM / H, v 1With A 1Be parallel to l 1J and r 1Last mouth between the j, its function are to limit the Vcx that turns left or turn right to sail the L of the Vo that is just laterally crossing in front or the condition of R signal region into, as the Vc of Figure 13 3And Vc 4, when being identified L or the R signal region that allows to sail into Vo when being low-tach turn, this situation occurs in cross or T font crossing; Press Fig. 9 explanation (7) and (8): V1＜25 KM / HOpen circuit A 1＞± 360 ° are opened circuit, and have only to possess these two conditions simultaneously and could interrupt l 1J and r 1The outlet line of j, the Vc of this moment 3And Vc 4Sail the L signal region of Vo into, its speed of a motor vehicle is v 1Must be＜25 KM / H, the while control wheel must be a right-hand turning also could interrupt l more than one week 1The electric current of j output, electronic automatic control system are to prevent the vehicle that is travelling under the high-speed condition accident that runs foul of each other, V 1＜25 KM / HBe the quite low-grade speed of a motor vehicle, A 1＞± 360 ° is after control wheel makes a circle, and these two conditions are said so routinely and just might be controlled after the driver has given one's full attention to because former driving is at a high speed, so must be slow down again that deceleration could arrive＜25 KM / HSuch low speed, to can be described as this be that the driver is subjective has taked measure, so also can think condition through having controlled, that is to say safe not think can bump, so interrupted l this moment 1J and r 1The outgoing current of j allows with A 1And v 1And travel under the condition of depositing, this is also to be feasible operating regulations rationally.
Now establish v 1'=26KM / H, A 1'=350 °, with V 1' and A 1' condition sail V into oL or R signal region, press Fig. 9, then stopped is stopped this moment.Originally≤25 KM / HWith V 1'=26 KM / H, 〉=± is more or less the same for 360 ° and A=350 °, with v 1And A 1Possess simultaneously and then allow to travel, with v 1' and A 1' then to be stopped when possessing simultaneously or when only possessing a condition and stopped, this essence is a kind of traffic law rigid regulation in electronic automatic control system, (v on earth 1＜25 KM / HOpen circuit, A 1＞± 360 ° are opened circuit; and whether the position of the active distance of various signals and various signal receivers etc. rationally waits parties concerned's research; this explanation just proposes a reference data; have plenty of in order to remember and the convenience of calculating; the situation so may not gear to actual circumstances very much; actual is a kind of hypothesis) if the restriction of rigid rational speed and angle etc. has been arranged; can make driving that the people of voluntary observance traffic law handles very skillfully; driver unconscious to those again or that lack experience has obtained same protective effect simultaneously, and the same of purpose that avoids two cars to bump realized.Have the people and think, electronic automatic control system may bring many troubles, when for example overtaking other vehicles with the track, has a lapse of memory by D THButton is stopped slow sometimes or is stopped and stop, and does not note slowing down if turn at the parting of the ways, and by chance running into has high-revolving automobile to cross in front to be stopped sometimes to stop, if consider: have only people's custom must obey the requirement of new installation; Longly slightly also just can become a kind of custom, traffic accident to new rules or equipment time--it is the first disaster in current civilization, has what difficulty to overcome in order to effect a radical cure traffic accident
V among Fig. 9 2And A 2Be connected in parallel on the front end and the c of F signal projector Lf1J and c Rf1The rear end of j output, v 2＜30 KM / HOpen circuit and A 2＞± 270 ° of condition of services in parallel that open circuit generally also are to appear at cross roads or T font crossing, as the V among Figure 13 C1With＜30 KM / HLow speed turn right, the control wheel right-hand turning has been crossed 270 °, Vc 1The position be in the M of Vo LNo matter the left-front corner of signal region is Vc 1Being in practice still is the position of dotted line, as long as Vc 1M L2Receptor can be received the M of Vo LSignal is pressed Fig. 9, and the emission of F signal not only is subjected to the keeping within bounds of angle of the speed of this car and control wheel, but also is subjected to the M of the other side's vehicle LOr M RRestriction, i.e. m L2Receptor is subjected to the other side's M LAfter the signal, because m L2J work, K F1Open circuit, if this moment Vc 1Meet V again 3And A 3Vc then during condition 1Do not launch F (seeing the F circuit of Fig. 9), such situation occurs in Vc 1Just in low speed turns right, that has a mind to allows Vo straight forward, Vc among Figure 13 1There is not electronic automatic control system can not bump with the contraposition amount mutually of Vo, if but do not add v yet 3, A 3With K F1Three line parallels just may hinder travelling of Vo, so added above-mentioned three-way parallel line at the front end of F projector.
Vc among Figure 13 2And Vc 3If be in the position of dotted line, do not meet V again 3And A 2As long as condition in parallel is Vc 2And Vc 3C Lf1Receptor can be received the C of Vo LFSignal, then Vc 2And Vc 3To be stopped and stop, Vo then still can interference-free straight forward, the Vc of dotted line 2Approaching vertical mutually with the line of centers of Vo, line of centers is approaching more orthogonal, then the c of Vo Rf1The also easy more Vc that receives 2C RFIf signal is the Vc of dotted line 2C Lf1Receptor is received the C of Vo LF, and the c of Vo Rf1Receptor has been received the Vc of dotted line again simultaneously 2C RF, then both sides are stopped simultaneously and are stopped.
M in Fig. 9 L11J often opens and m L12Behind the normal open string connection of j again with＞+A 5Normal open string connection with the output of control relay electric current, this is that situation with meeting comes with the situation branch that may bump, Vo is with straight-line travelling among Figure 13, Vc 5Also be to sail meeting along straight line, during straight-line travelling control wheel be can 0 ° or with ± 10 ° between the left and right sides is low-angle swings back and forth, because the gap or the wearing and tearing of worm and wheel in the control loop, the deflection angle of automobile only rotated about 0.5 ° when control wheel rotated 10 °, low-angle the swinging of event control wheel do not influence travelling of the straight line of automobile, at this moment Vc 5If meeting Vc then 5Control wheel must be right-hand turning, very fast vehicle body promptly can be substantially parallel with Vo, this moment Vc 5Can do not stopped and be stopped the Vc among Figure 13 5The vehicle body direction and the angle of the vehicle body direction of Vo be about about 140 ° the Vc of this moment 5If straight-line travelling then the angle of its control wheel be 0 ° substantially, this moment Vc 5All will be stopped with Vo and to be stopped Vc 5The control wheel angle is (+) number of degrees when turning left, and is made as+15 °, originally Vc 5With the angle of the vehicle body direction of Vo be more than 140 °, add 15 ° on the present control wheel, Vc promptly is described 5Though left-handed turning again is Vc 5Be about to receive the F signal of Vo, under these circumstances, Vc 5Very big with the possibility of the collision of Vo since this moment Vc 5M L11And m T12Received the M of Vo already L, so utilize m among Fig. 9 L11J, m L12J with＞+A three's often open closed and connecting with Vc 5Stop and stop, on function, be equivalent at C LFAnd added another kind of signal between the F signal, original Vc 5Received the M of Vo LCan not turn left after the signal, but at Vc 5Enter the M of Vo LInstantaneous before the signal region finished turn left and＞+A 5, under these circumstances, Vc 5Just entered the M of Vo LSignal region, m L11J and m L12J works immediately, Vc 5Being about to is stopped stops Vc 5Stopped though stop, therefore do not stop to launch F, the m of Vo Rl1And m R12Though can not receive Vc 5The MR signal because Vo is straight-line travelling, and do not receive Vc again 5The F signal, so Vo still can continue straight, but Vo is about to enter Vc 5The F signal region, also being about to will be stopped stops, because Vc 5Stopped and stopped, the thing of stopping of having found to be stopped in the place ahead of Vo should be realized concerning the driver of Vo to some extent, generally at first is to slow down, if Vo meets v 4Condition, (promptly＜5 KM / H) still can be slowly at Vc 5F signal front cross, also can utilize the H button, make that speed is unlikely falls lowly excessively at Vc 5F signal front pass through, howsoever, Vc 5But avoided with the collision of Vo.
Among Fig. 9, v 4Be series at and lead to GJ 1And GJ 2Front end, the outgoing current of all receiving amplifiers all is subjected to v 4Control, v 4GJ when opening circuit 1And GJ 2Be in the state that quits work fully, but all signals normal transmission still still is under the protection of electronic automatic control system this car, avoids the collision of other vehicles.
H is manual cut-out switch, and it is used to prevent that other people from utilizing the signal of electronic automatic control system to rob car or driver and thinking and travel under the necessary temporary transient withdraw from use electronic automatic control system situation, but signal emission coefficient normal operation still, this respect and above-mentioned v 4Function identical.
Often fall similar Dangerous Area such as dell or great river at automobile and install independent T signal projector, just can avoid automobile to fall dell and great river; At blind person's walking stick T signal projector has been installed, be exactly that the driver does not notice that the pedestrian is blind person when the blind person is crossed road, also can avoid automobile that the blind person is knocked down or car dead, carry the accident that a T signal projector just can be avoided the auto against child on one's body the child.
Take a broad view of above-mentioned, if draw an analogy, the crashproof control system of vehicle electronics is slightly a bit as one section plot inside the Journey to the West so: once Sun Wukong has drawn a circle in the local outside that Tang's monk sits in meditation with golden cudgel, the monster desires to enter when bullying Tang's monk in the circle, at a touch that circle will send golden light, can't enter in the circle, circle is for oral administration waits upon Tang's monk but one of the chief characters in "Pilgrimage To The West" who was supposedly incarnated through the spirit of pig, a symbol of man's cupidity and Sha monk still can freely go out.18 of electronic automatic control system MCosta and 10 MObject-line is just a bit as above-mentioned circle: the automobile of running at high speed is no matter in any direction hit, as long as the front end of automobile enters 18 of another automobile MCosta or 10 MObject-line, both sides' signal receiver must be received more than one corresponding signals of the other side, press Fig. 9, the amplifier of this signal promptly has electric current output behind relay, by energy converting system brake system is stopped car again stops, the automobile that so artificial processing has little time the to handle accident that runs foul of each other can be avoided in the crashproof control setup of electronics, meeting and when overtaking other vehicles both sides can freely come in and go out 18 MFull edge line and 10 MObject-line is gone everywhere without any hindrance here.
Automobile is as one of the mankind's a topmost vehicle fast century, and it and human relation are also close, and in busy automobile dealing, more than 300 ten thousand people that have an appointment are because of traffic accident dead in current every year in the world.U.S.'s traffic accident statistical figure that the specification sheets beginning is mentioned are before 90 years, if with regard to worldwide, the fund of this class loss has been exactly an astronomical figure simply; Each minute has 6 people to be killed in an automobile accident approximately in the world today, though number in necessarily people lucky after traffic accident, still stay the human world, but he (she) the life that therefore disables be misery how and miserable, therefore a kind of failure-free avoids the way of traffic accident to become ten million people's hope, anyone can be filled with unbounded confidence to wish there is one day in the world, everyday can be happy go out, safe and sound returns home, Just because of this, the applicant has proposed a scheme of avoiding car to car impact or automobile to fall dell or great river, because the restriction mistakes and omissions of knowledge and condition are unavoidable, but wish audit early, the vehicle electronics collision avoidance system is occurred early in the world.
(this table is with speed per hour 80 for table 1 KM / HBe benchmark) signal classification: F: represent dead ahead signal signal receiver code name: f 1, f 2, f 3, f 4Distance: the 18M that gently stops (is GJ 1) heavy brake distance: 16M (is GJ 2) explanation such as requirement, function, position, shape and performance.(hereinafter to be referred as explanation):
F and f are each one of the signal projector in automobile dead ahead and receptor, F signal projector branch left, center, rights, and its position is installed in the (see figure 1) foremost of automobile, and the circuit of three projectors is connected in parallel, and simultaneously continuous emission F 80The signal of frequency requires the dead ahead 18 at automobile MThe place can form the upright net of a signal, and the vertical cross-section area of upright net is: (vehicle body wealthy+the left 0.5+ right side 0.5) M* 0.8 MThe vertical section of (height), all signal projector protective cover is oblong, the width of the right and left of the front end of F signal projector guard shield can be done the adjusting of trace, function is to cooperate to make the width of the upright net of signal constant substantially, the manufacturing materials of all directed signal projectors and the protective cover of receptor all should have excellent absorption electromagnetic wave performance, make every effort to avoid produce reflection for the second time, the f receptor of this car of F signal of this car emission can not be received f 2Receiving wire and t, l 1, r 1Shared, and and m L11, m L12, m L2, m R11, m R12, m R2, c Lt1, c Rt1Mutual group is closed receptor in groups.(seeing that Fig. 1 illustrates the accompanying drawing of (3)) F projector is installed in the lowest part of combination receiver front end, and it has one 12 ° independent guard shield, and the volume of combination receptor is about: 200 * 100 * 60 MM3The front end of each automobile is installed three combination receptors and three F projectors, each similar signal receiving wire is and is connected in parallel in the combination receptor, and actual relative movement increases and decreases along with factor such as the variation of car speed, road surface quality performance, wet and slippery degree, and the increase and decrease of actual relative movement is in speed per hour 60 KM / HBelow be made as every increase and decrease 10 temporarily KM / H, the variation of actual relative movement is made as 0.8～1.3 temporarily M, because the change of car speed, the F of this car, M L, M R, C LF, C RFActive distance also change, so emissive power also constantly changing, the variation of power is the variation of operating voltage in native system essence.f 1The position of receptor is installed in three combination receptors of front end of automobile, and function is that f is bumped against in the front that prevents automobile 2Receptor is at the tailstock, and its function is to adjust the active distance of this car T signal, prevents to shunt into one another, and is positioned at the f of left rear corner 3Receptor and the f that is positioned at right back angle 4Receptor and c Lt2And c Rt2Master antenna and guard shield, f 3And f 4The function of receptor is to adjust the C of this car according to the rank that his car is penetrated the F signal that comes by left rear corner and right back angle LTAnd C RTThe active distance distance of signal makes it greater than this other actual relative movement of F signal level, hits left rear corner and right back angle to prevent his car.Signal classification: T, represent dead aft signal signal receiver code name: tGJ 1: 10 MGJ 2: 8 M
Illustrate: T and t are the signal projector and the receptors in the dead aft of automobile, and projector divides each one of left, center, right, and (see figure 2) requires the dead aft 10 at automobile tail MThe upright net of the signal that the place forms is: (vehicle body is wealthy+left side 0.3 M+ right 0.3 M) * 0.8 MThe guard shield of (height), T signal projector is 20 ° of f 2With the shared supporting of T, t and f 1, l 1, r 1Common antenna; The active distance of the T signal of last automobile changes along with the rank of the F signal of a back automobile, last automobile stops suddenly having travelled, the rank of the F that the T signal still can be sent along with a back automobile is adjusted the active distance of this car T signal, the relationship of the two is very close, is to prevent one of key that automobile shunts into one another.Because like this, so " heart " position that the generation of signal frequency and switching mechanism should be installed in automobile, as long as automobile is not to be subjected to comprehensively damaging completely, the emission function of each signal still can keep normal emission, to avoid various possible collisions completely.Signal classification: L, R, representative left and right-hand signal signal receiver code name: l 1, l 2, l 3And r 1, r 2, r 3GJ 1: 10 MGJ 2: 8 MIllustrate: L and R are the left of automobile and right-hand signal projector, and the signal scope is seen Fig. 3, and the number of signal projector is decided by the length of vehicle body, but have three at least.C in the automobile left-front corner Rf1Signal receiver has two functions, and one of them function is: work as c Rf1Signal meets the C that device is received his car RFAfter the signal, the active distance of adjusting the L signal according to its rank makes it the actual relative movement greater than his car, is hit by car same c by left to prevent him Lf1Be to prevent that him from hitting l by right-hand by car 1And r 1Signal receiver is installed in the combination receptor of automotive front end, l 1, r 1With f 1, the t common antenna, l 1, r 1Function be to prevent that this car from hitting the left side or the right side of his car, l 2, l 3And r 2, r 3Each two also is l 21, l 22, l 21, l 32And r 21, r 32, r 21, r 32, belong to L and R signal receiver each 5.(belong to l 1And r 1Though be each one of left, center, right because function is identical and be connected in parallel so still calculate 1) l 31And r 21And be listed in two 60 ° the guard shield of the second layer of left-front corner r 21And l 31And be listed in two 60 ° the guard shield of the second layer at right front angle, the A-A that sees Fig. 4 cuts open with B-B and cuts open l 22, r 32With C Rf2After the hind axle axis in left side 30～40 CMThe top at place, r 22, l 32With C Lf2On cooresponding right side (C-C that sees Fig. 4 cuts open).l 21L in Fig. 9 1K on the j outlet line L13 often open in the self-locking circuit l 2J is that control is often opened l in the self-locking circuit 2J-
Figure A9711523800301
Two functions are arranged, the first: because of D L1Just closed 0.4 second, just in case surpass 0.4 second, for example both sides were the automobile of speciality during meeting, at this moment promptly by l during meeting 2The closure of often opening of j is kept the self-locking in above-mentioned loop.It two is: the L signal region that a square tube of meeting is crossed the other side is that turnon left is (as the V among Figure 11 O5) former C without the other side LTSignal region, the C in the self-locking circuit at this moment L12J is normally closed just can not to work, and (promptly can not open circuit a moment) can only rely in the case
Figure A9711523800302
Cond
Figure A9711523800303
Discharge make Make self-locking releasing the normally closed a moment of being controlled of opening circuit, because l 21With the circuit of l22 be to be connected in parallel, be the l that is positioned at left-front corner during meeting 21Signal receiver is at first received the L signal, thus actual in the self-locking circuit be l 21At first work, should be Work also is l when leaving the other side L signal region earlier 21Signal receiver at first leaves, l 22After leave owing to be l 22Just can not receive the L signal at last, so cond
Figure A9711523800306
Discharge by stopping charging, just to coil
Figure A9711523800307
The reversing sense energising is so should be
Figure A9711523800308
Work makes
Figure A9711523800309
Make self-locking obtain removing the normally closed a moment of being controlled of opening circuit.l 31And l 32Function be the service of overtaking other vehicles, when overtaking other vehicles two cars equidirectional place side by side the time of travelling sometimes may be longer, the K in Fig. 9 L1In 2 the self-locking circuit of often opening, though D L2Delayed time 0.7～1.3 second, but sometimes also may be not enough, so the self-locking circuit when overtaking other vehicles is still sometimes by l 31The closure of often opening of j is kept, and the releasing of self-locking is to rely on after the success of overtaking other vehicles
Figure A97115238003010
Figure A97115238003011
In Be l at first by right front angle 31Receiving the L signal earlier, is by the other l of hind axle at last 32Termination receives the L signal.Overtake other vehicles unsuccessful and when being surpassed in reverse car, promptly at K L11 the self-locking circuit of often opening then is first dependence
Figure A97115238003013
Normal switching close and keep the loop, be only l then 31By receiving the L signal, promptly be by Discharge is removed self-locking circuit.Signal classification: C LF, C RFRepresent left-front corner and right front angle signal signal receiver code name: c Lf1, c Lf2, c Lf2, c Rf1, c Rf2, c Rf3GJ 1: 18 MGJ 2: 16 MIllustrate: C LF, c Lf1, c Lf2, c Lf3With C RF, c Rf1, c Rf2, c Rf3Be the signal projector and the receptor of the left and right sides anterior angle of automobile, left-right symmetric, the signal scope is seen Fig. 4, and the guard shield of left-front corner is three layers, and top layer is 30 ° of guard shields, and C is installed LFThe signal projector, the angular bisector of guard shield is 45 ° with the leading angle that line of centers became of automobile, and the second layer is installed two guard shields that are 60 ° side by side, and the leading angle of forward its angular bisector and line of centers also is 45 °, and c is installed Rf1, l 21, c Rt3, c Lf3And common antenna, another its leading angle of the second layer is 120 °, and r is installed 21Signal receiver, the A-A that sees Fig. 4 cuts open with B-B and cuts open.The installation code height of all signal receivers is liftoff 60 CM, because the height of automobile differs very big, so allow liftoff 50～70 CMBetween change, so all signal projectors all require to sentence 60 at the active distance of each signal CMTerrain clearance be the line of centers of the accurate level of the upright net of each signal, so the luffing angle of each signal projector all should be towards 60 of each signal active distance CMThe terrain clearance part.C Lf1And C Rf1One of function be to prevent to locate at the parting of the ways, the collision when the line of centers of two cars is orthogonal substantially.Two of function is: though line of centers is orthogonal substantially, each is unequal apart from the distance of the intersection point of line of centers for two cars, and distance center line automobile far away may bump against the left of the nearer automobile of distance center line or right-hand, this moment one side c Rf1Signal receiver is received the other side's C RFBehind the signal, the active distance of adjusting the L signal according to the rank of its signal makes it to compare C RFOne side's of signal actual relative movement is big, to avoid collision.Also can a side the opposing party be stopped and stop or gently stop to slow down to allow the opposing party current.c Lf1Signal receiver is then according to C LFSignal is adjusted the active distance of R, c Lf2With c Rf2Be installed in 30～40 after the hind axle shaft centre line in the right side of automobile and left side respectively CMThe top at place.c Lf2With r 22, l 32The guard shield of master antenna and one 60 °, the angular bisector of guard shield is vertical with the line of centers of automobile, c Lf2With c Rf2Function be for the unsuccessful circuit service when instead being surmounted again of overtaking other vehicles of positive on the left side or the right by the other side, see the K among Fig. 9 L11 and K R11 self-locking circuit, and the C-C of Fig. 4 cuts open C LFAnd C RFSignal be the speed according to this car change its signal frequency level other.c Lf3And c Rf1, c Rf3And c Lf1Respectively at left-front corner and right front angle.c Lf3Function be and D L1Pass through 22 again after the parallel connection rP in the common control chart 9 Mt1, promptly control the instantaneous ratchet that leaves of ratchet among Figure 10, make the control wheel rotation that affranchises.Signal classification: M LAnd M R, represent the left side and the right meeting signal signal receiver code name: m L11, m L12, m L2, m R11, m R12, m R2GJ 1: 20 MGJ 2: 18 MIllustrate: M L, m L11, m L12, m L2With M R, m R11, m R12, m R2Be left and right sides meeting signal projector and receptor, the interval of two cars is generally 0.5～10 during meeting MBetween, l 1Or r 1Signal receiver must be received the other side's L or R signal, and electronic automatic control system is by the operation of the circuit of Fig. 9, in Fig. 9, if not with l 1J or r 1The outlet line of j interrupts, and stops m when automobile enters will be stopped in the other side's L or the R signal region so L2And m R2Function be exactly with the l of this car before this car enters the other side's L or R signal region 1J or r 1The outlet line of j interrupts, otherwise the L or the R signal region that can not enter the other side (are seen the K among Fig. 9 L13 and K R13).M LAnd M RThe signal scope see Fig. 5 because the length of automobile differs greatly, so M LAnd M RThe installation site of projector is different because of the vehicle commander, generally is installed in before the left side of automobile and the right side automobile back wheel axle 30～40 CM, within on the left side line or the right side bearing about 10～20 CM, terrain clearance is 60 CMPart, its guard shield is 20～25 °, requires F and M LAnd M ROnly stay minimum distance, be about 10 CMAbout, require M simultaneously LAnd M FThe point of signal scope outermost is about 11 apart from the left side and the right of automobile M, m L2And m R2Signal receiver respectively has only one, m L2Be installed in left-external side, the m of the inverted T-shape guard shield in the automotive front end first left combination receptor R2Be installed in the right outside of first inverted T-shape guard shield of the right, see Fig. 1 explanation (3) and accompanying drawing thereof for details, m L11, m L18And m R11, m R12Accompanying drawing, m are seen in the installation site L11, m L12And m Rl1m R12Function be f when this car 1Signal receiver can not receive under the other side's the situation of F signal, prevents that the other side from hitting left-front corner or right front angle by the place ahead of taking back or taking over, along with increasing of this car speed of a motor vehicle, M LAnd M RThe active distance of signal is also along with increasing, M LAnd M RThe rank and F same ratio that strengthen, and M LAnd M RActive distance always big by 2 than the active distance of F signal M, M LAnd M RThe signal scope be one narrow and small fan-shaped, active distance increases its sideline, back and must strengthen apart from the edge of automobile, method of adjustment is seen the explanation (2) of Fig. 1.The edge that makes fan-shaped signal scope remains l1 substantially far from the left side or the right of automobile M, M LAnd M RIts frequency remains unchanged when increasing active distance because of the raising of the speed of a motor vehicle own, but level should be arranged.(seeing Table 2) signal classification: C LTAnd C RTLeft and right sides relief angle signal signal receiver code name: c Lt1, c Lt2, c Lt3, c Rt1, c Rt2, c Rt3GJ 1: 10 MGJ 2: 8 MIllustrate: C LTAnd C RTThe signal scope see Fig. 6.c Lt1And c Rt1Signal receiver is installed in the left and right sides of middle plate washer of second combination receptor of automotive front end, the central lines of this centre plate washer and automobile, and it is 10 that middle plate washer is stretched length overall forward CM, (seeing Fig. 1 explanation (3) accompanying drawing for details) c Lt1And c Rt1Receiving wire to the left and right two ends the line of centers to the point of outermost apart from automobile (referring to same level) that stretches respectively be 16 MM, middle plate washer a little lagging arranged foremost, little lagging and middle plate washer are orthogonal, the horizontal width of little lagging is 17 MM, the line of centers of automobile passes through the centre of little lagging, and it is divided into symmetrical two partly, and the vertical dimension of two above-mentioned plate washers is 40 MM, c Lt1With c Rt1Function be to prevent that this car from hitting the left and right sides relief angle of his car, prevent promptly that also his car from hitting the left and right sides relief angle of this car.c Lt2With c Rt2Be installed in 60 ° of guard shields of the second layer of the left and right sides relief angle c Lt2With f 3, c Rt2With f 4Common antenna and guard shield, the angular bisector of its guard shield is 45 ° with the back angle that line of centers became of automobile, (seeing that Fig. 6 A-A cuts open) c Lt2And c Rt2Function be meeting service, c Lt2J and c Rt2The j working mark finishing of general meeting, and it makes the K among Fig. 9 Lt3 and K R13 often open self-locking releasing, make l 1J and r 1The j outlet line restores, c Lt3With c Rt3Be installed in the second layer of right front angle and left-front corner respectively, c Rt3With l 21, c Rf1In left-front corner, c Lt3With r 21, c Lf1At right front angle, all be that guard shield (A-A that sees Fig. 4 cuts open B-B and the cuts open) angular bisector of its guard shield of master antenna and 60 ° is 45 °, c with the leading angle that line of centers became of automobile Lt3With c Rt3Function be the service of overtaking other vehicles, see the K among Fig. 9 for details L12 and K R12 self-locking circuits, C LTAnd C RTActive distance and T signal identical, the F velocity variations of the automobile that it also comes along with back angle collision to the left and right and conversion, f 3With f 4Signal receiver is received after the F signal of left rear corner or the emission of right back angle, is adjusted C according to the rank of F LTOr C RTThe active distance of signal makes it greater than its actual relative movement, like this, and c Lt1Or c Rt1Receptor is when receiving through adjusted C LTOr C RTBehind the signal again by energy converting system can will hit the automobile at left rear corner or right back angle in time stop and stop, avoid bumping.
Table 2-can test the frequency and the data of usefulness
The signal kind Transmitting frequency MH z Control from The active distance of signal: M
This car His car
F 80 ?49.75 ?v 80 ????18
?F 100 ?57.75 ?v 100 ????22
?F 120 ?65.75 ?v 120 ????26
?T 80 ?77.25 ?v 80 ????10
?T 100 ?85.25 ?f 2 F 100?KM/H ????12
?T 120 ?112.25 ?f 2 F 120?KM/H ????14
?T F ?128.26 ?m l2J or m r2j ?M LOr M R ????＞20
?C LF80 ?144.25 ?v 80 ????15
?C LF100 ?160.25 ?v 100 ????18
?C LF120 ?176.25 v 120 ????21
?C RF80 ?200.25 ?v 80 ????15
?C RF100 ?224.25 ?v 100 ????18
?C R120 ?256.25 ?v 120 ????21
?M L80 ?288.25 v 80?100?120 ?20?24?28
?M R80 ?328.25 v 80?100?120 ?20?24?28
?L 80 ?368.25 c rf1?80?100?120 ????C RF?80??100?120 ?10?12?14
?R 80 ?416.25 c lf1?80?100?120 ????C LF?80??100?120 ?10?12?14
?C LT80 ?471.25 f 8?80?100?120 ????F 80?100?120 ?10?12?14
?C RT80 ?543.25 f 4?80?100?120 ????F 80?100?120 ?10?12?14
Last table is to have selected 19 from a kind of projector of commodity and 59 transmitting frequencies the receptor, and the reference that can test and prove is used but should not do practice.

Claims (5)

1, a kind of electronic anti-collision device for automobile, it comprises signal projector, signal receiver, frequency conversion apparatus in the protective cover that is installed in outside opened with certain angle, turns to restriction mechanism and crashproof insurance circuit, it is characterized in that: signal projector and signal receiver be directed the installation on the variant orientation of automobile, the signal projector is totally ten classes, every class contains the signal projector of the signal of individual or more a plurality of its active distance that can launch continuously of 1-3 or frequency respective change, and the signal receiver of each automobile reaches 34 at least; Frequency conversion apparatus is made up of freq converting circuit, signal active distance change-over circuit and frequency inverted table; Turn to restriction mechanism coaxial, form by the opposite ratchet of both direction, ratchet, engaging mechanism and uncoupling gear with automotive steering wheel; Crashproof insurance circuit includes signal projector, signal receiver, amplifier, S/CO, angle master cock, self-locking circuit, delay timer, turns to restriction magnetic, meeting to warn acoustical generator, crashproof from the transducing circuit of stopping, recovery go to circuit; Wherein: described ten class signal projectors, they are respectively F class, T class, L class, R class, ML class, MR class, CLF class, CRF class, CLT class, CRT class, and their each self-corresponding signal receivers are respectively: the cooresponding signal receiver of F class is f 1, f 2, f 3, f 4The cooresponding signal receiver of T class is t, tf; The cooresponding signal receiver of L class is l 1, l 21, l 22, l 31, l 32The cooresponding signal receiver of R class is r 1, r 21, r 22, r 31, r 32The cooresponding signal receiver of ML class is ml 1, ml 12, ml 2The cooresponding signal receiver of MR class is mr 11, mr 12, mr 2The cooresponding signal receiver of CLF class is clf 1, clf 2, clf 3The cooresponding signal receiver of CRF class is crf 1, crf 2, crf 3The cooresponding signal receiver of CLT class is clt 1, clt 2, clt 3The cooresponding signal receiver of CRT class is crt 1, crt 2, crt 3Wherein signal projector in the place ahead is the F class, totally three, divide a left side, in, the right side is installed in automobile foremost, and rear signal projector is the T class, totally three, divide a left side, in, the right side is installed in automobile tail, and left signal projector is the L class, and is three or more altogether, be installed in the automobile left side, right-hand signal projector is the R class, and is three or more altogether, is installed in the automobile right side, left side meeting signal projector is the ML class, totally one, be installed in automobile left side hind axle before, right side meeting signal projector is the MR class, totally one, before being installed in the axle of automobile right side rear wheel, for each class signal projector, to one to five signal receiver should be arranged.
2, electronic anti-collision device for automobile according to claim 1 is characterized in that the amplifier that contains in the described crashproof insurance circuit links to each other with corresponding signal receiver, and its quantity is no less than 34; The self-locking circuit be connected in left signal amplifier and right-hand signal amplifier separately with crashproof in the circuit that the energy converter of stopping links to each other, recovering go to circuit is powered by the relay in the self-locking circuit, contain lever normally closed switch and electromagnetic valve, electromagnetic valve control percussive cap, the lever normally closed switch bumps pin control by switch and opens; The crashproof transducing circuit of stopping certainly is made up of vice president's transducing electromagnetic valve, main total transducing electromagnetic valve, manual switch, variable resistance and S/CO.
3, electronic anti-collision device for automobile according to claim 1, it is characterized in that described signal projector and signal receiver are placed in the protective cover of outside opened with certain angle, and the combination receptor, the manufacturing materials of the protective cover of signal projector and signal receiver is made by the material with good absorption electromagnetic wave performance.
4, electronic anti-collision device for automobile according to claim 1, it is characterized in that the frequency inverted table in the described frequency conversion apparatus is converted by autometer, and the scale dish be changed to the size identical, the insulation and thermal insulation disk that several set the photoconductive cell of critical speed is installed on former corresponding speed line, former average speed indicator pointer is changed to the round aluminium flake that has two slots on former 0 degree line, the position in hole makes photoconductive cell be subjected to the irradiation of light fully when making this two holes rotation pass through the photoconductive cell of setting critical speed, freq converting circuit in its frequency conversion apparatus is controlled cooresponding relay and each switch and self-locking circuit and is come conversion frequency for being linked to each other with amplifying circuit by the photoconductive cell of each tool critical speed according to this vehicle speed inversion frequency part, for travelling in opposite directions, connect with relay by the place ahead signal receiver, again with the emission highest frequency, be tool continuous the forming of signal projector launch point of active distance farthest, for according in the same way the driving frequency inverted, be formed by connecting by relay by the place ahead signal projector and rear signal projector respective frequencies amplifier, for the frequency inverted of meeting, be formed by connecting by relay by meeting frequency amplifier and meeting projector; Signal active distance change-over circuit in its frequency conversion apparatus is formed by connecting by extraordinary relay, roll adjustment resistance, roll adjustment voltage and corresponding signal generator.
5, electronic anti-collision device for automobile according to claim 1, it is characterized in that the used extraordinary relay of signal active distance change-over circuit in the described frequency conversion apparatus, constitute on an identical iron core by two coils are overlapping in opposite directions, during with the power supply of voltage, magnetic force is 0 at green phase for two groups of coils.
CN 97115238 1997-08-22 1997-08-22 Electronic anti-collision device for automobile Pending CN1209399A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114832A (en) * 2011-02-15 2011-07-06 马俊 Active anticollision device and method for vehicle
CN102236091A (en) * 2010-05-07 2011-11-09 神基科技股份有限公司 Radio frequency signal receiving device and positioning system applying same
CN104062647A (en) * 2013-11-22 2014-09-24 苏州天趣信息科技有限公司 Device for detecting wireless signals
CN104539347A (en) * 2015-01-08 2015-04-22 中国科学技术大学苏州研究院 Vehicle relative position judgment method based on directional antennas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102236091A (en) * 2010-05-07 2011-11-09 神基科技股份有限公司 Radio frequency signal receiving device and positioning system applying same
CN102114832A (en) * 2011-02-15 2011-07-06 马俊 Active anticollision device and method for vehicle
CN102114832B (en) * 2011-02-15 2014-12-10 马俊 Active anticollision device and method for vehicle
CN104062647A (en) * 2013-11-22 2014-09-24 苏州天趣信息科技有限公司 Device for detecting wireless signals
CN104539347A (en) * 2015-01-08 2015-04-22 中国科学技术大学苏州研究院 Vehicle relative position judgment method based on directional antennas

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