CN2294872Y

CN2294872Y - High-level warning instrument of automobile

Info

Publication number: CN2294872Y
Application number: CN 96231637
Authority: CN
Inventors: 金阳
Original assignee: State-Run No4150 Factory
Current assignee: State-Run No4150 Factory
Priority date: 1996-04-12
Filing date: 1996-04-12
Publication date: 1998-10-21
Anticipated expiration: 2006-04-12

Abstract

The utility model relates to a high-level warning instrument for automobiles, which comprises a display and a control circuit which is provided with the signal input terminals of starting, left turn, right turn, brake, astern running, help asking of running automobiles, etc. Each signal can respectively drive a display screen to display the character and pattern of the signal according to a priority order. The input terminal of a Hijack help asking signal is output to a relay braking circuit through a delay circuit. The device can be arranged at the rear part of the automobile or arranged in windshields, and can be connected with the light control system of the automobile. The utility model can display the functions of left turn, right turn, brake, astern running, automobile distance kept and Hijack help asking by using Chinese characters, arrowheads, etc. The automobile can automatically extinguish the automobile is stolen. The utility model can effectively prevent the automobile from rear collision accidents, Hijack and automobile stolen.

Description

The high-order caution of automobile instrument

The utility model belongs to vehicle electric field, particularly relates to a kind of automobile prior-warning device.

Along with constant development of economy, various automobile quantity are increased sharply, and the thing followed is increasing of traffic accident and the case of robbing car, robber's car, causes very big harm to society.The generation that prevents the rear-end collision accident at present mainly is the Warning light that leans on automobile tail, by the car bulb control system Warning light is sent and dodges signal frequently, note with driver or pedestrian behind the prompting car, but what good measure robber's car, misfortune car are not also had.

The purpose of this utility model be to provide a kind of can prevent better rear-end collision, can antitheft, anti-automobile prior-warning device of robbing.

The high-order caution of the utility model automobile instrument comprises: it comprises a read-out, is used for demonstration information or warning; A control circuit, control the displaying contents of above-mentioned read-out, this control circuit has startup, turn left, turn right, reversing, five signal input parts brake, each signal input part electrically connects by a driving circuit and read-out respectively, but each driving circuit individual drive read-out shows a kind of signal, turn left, turn right, reversing, four signal input parts that brake respectively have a reactive circuit to link to each other with the actuation signal input end, turn left, turn right, reversing, the electric signal that four signal input parts that brake are imported can clamp the actuation signal input end to low level by reactive circuit separately, closes the actuation signal input channel.

Described read-out is arranged by dot matrix by some light-emitting diodes and is formed, and each luminous point can be connected in parallel by several light-emitting diodes and constitute.

Described actuation signal input end links to each other with motor start circuit, and provides high level for control circuit and read-out; Left-hand rotation, right-hand rotation, reversing, brake signal input end are connected the car bulb control system, and read-out is synchronoused working with lamp light control system.

Described control circuit also has a misfortune car distress signal input end, and electrically connect by a driving circuit and read-out, this input end has reactive circuit to link to each other with above-mentioned five signal input parts respectively, the electric signal of this input end input can clamp above-mentioned each signal input part to low level by described reactive circuit, closes the input channel of above-mentioned each signal.

Turn left, turn right, brake, four signal input parts of reversing be connected in respectively four with an input end, described and the mouth of door link to each other with separately driving circuit, reactive circuit, with another input end of door be gate terminals, and rob the reactive circuit that car distress signal input end draws and link to each other.

Described misfortune car distress signal input end is connected to a time delay circuit, by relay of this time delay circuit output control, the contact of this relay is connected on the automobile circuit that can make get stuck, when robbing the input of car distress signal, output signal after time delay circuit postpones a period of time, make the moving device action of relay, make automobile generation fault and cast anchor.

The high-order caution of the utility model automobile instrument can be installed in automobile rear or the Windshield, link together with the car bulb control system, available Chinese character or arrow figures show the function of turning left, turn right, brake, move backward, maintain safe distance and robbing the car emergency, but stolen or be robbed after auto shut down, can prevent rear-end collision accident and the generation of robbing car, stealing car effectively, be safety device comparatively practical on the present all kinds of automobile.

Fig. 1 is the utility model read-out light-emitting diode connection diagram.

Fig. 2 is the utility model circuit block diagram.

Fig. 3 is the utility model electrical schematic diagram.

The read-out 4 of the high-order caution of the utility model automobile instrument is divided into several display units, each display unit is pressed dot matrix by some light-emitting diodes and is arranged, non-luminous point is not adorned luminotron, and luminotron several states shown according to each unit in wiring are sorted out combination respectively.In present embodiment, show as required: maintain safe distance,

Left and right

Brake, reversing, rob subtitle graphic such as car, emergency, read-out can be divided into five unit, arrange from left to right, first module show respectively " protect, , rob " three kinds of states, Unit second shows " hold, stop, fall " three kinds of states respectively, Unit the 3rd shows " left and right, ■ " three kinds of states respectively, Unit the 4th shows " car, ask " two kinds of states respectively, Unit the 5th show respectively " apart from, , rob " three kinds of states, each unit can show three kinds of states at most, as in first module, will show that the luminotron of " guarantor " word is represented with a, demonstration

Luminotron represent with b, the luminotron that shows " misfortune " is represented with c, the combination of abc has 7 kinds of form: a, b, c, ab, ac, abc, bc, a, b, the c representative only shows a kind of luminotron of state, ab, ac, the bc representative shows the luminotron of two kinds of states, the luminotron that on behalf of three kinds of states, abc all show, these luminotrons are isolated with switching diode, be connected to three kinds of status signal input ends, as shown in Figure 1 when 1 end has the low flat signal of electricity, a, ab, ac, four kinds of luminotrons of abc are luminous, show " guarantor " word, when 2 ends have low level signal, b, ab, bc, four kinds of luminous demonstrations of luminotron of abc , when 3 ends have low level signal, c, ac, four kinds of luminous demonstrations of luminotron of bc, abc " misfortune " word, other unit displaying principle is identical therewith.For strengthening its luminous intensity, visual range is strengthened, several luminotrons can be connected in parallel becomes a luminous point, can be 2 to 6 or more luminotron.

Control circuit has A, B, C, D, six signal input parts of E, F; be respectively startup, left-hand rotation, right-hand rotation, brake, reversing, rob car distress signal input end; A is connected on the automobile Electrical key switch; B, C, D, E join with the car bulb control system respectively; F links to each other with ground connection (bonding) button switch K 1 that is contained in the interior shelter of operator's compartment; the A end also is the positive source of this caution instrument simultaneously; and be the control circuit input high level by protection diode V0; work as automobile starting; the A end has the high level input, and the caution instrument is started working.Read-out 4 has 7 mutual independent driving circuits, every circuit constitutes by a switch triode, they are respectively V12, V9, V11, V10, V8, V18, V19, the equal ground connection of emitter-base bandgap grading, R44, R48, R46, R47, R42, R43 is respectively its collector resitance, export shows signal to read-out 4 by collecting electrode, the base stage of V12 is connected on the A end by resistance R 23, B, C, D, E end respectively by with door (IC1-1, IC1-2, IC1-3, IC1-4) export corresponding driving circuit (V9 to, V11, V10, V8), present embodiment adopts CD4081 type integrated circuit, it is connected into four that two input ends are arranged and doors, as shown in Figure 3, the pin 6 of CD4081,13,8,1 respectively with B, C, D, the E end joins, pin 5,12,9,2 link together becomes gate terminals, pin 4,11,10,1 is B, C, D, E holds corresponding signal output part, inserts driving circuit V9 respectively, V11, V10, the base stage of V8, pin 14 power connection positive poles are the A end, pin 7 ground connection; V18 and V19 are by trigger circuit and oscillating circuit control, these trigger circuit comprise a silicon control V15 and trigger control circuit thereof, silicon control V15 input termination A end, trigger control circuit is by a switch triode V14 and resistor voltage divider circuit (R27, R26) form, the V14 base stage connects the A end by R28, emitter grounding, bleeder circuit R26, R27 one end ground connection, one termination A end, the silicon control trigger end is connected on the common port of resistance R 26 and R27 by resistance R 34 with the V14 collecting electrode, F holds the base stage that is connected on V14 by the antijamming blackout by diode V7 and inductance L 1 serial connection, and F end low level is effective; Oscillating circuit IC2 adopts CD4011 type integrated circuit, pin 14 is an input end, join with silicon control V15 mouth, pin 1,2,10 also connects,

3,5,6 also connects, pin 8,9,10 also connects, pin 12,13 also connects, pin 3, pin 4 are mouth, join by the base stage that keeps diode V16 and V17 and driving circuit V18, V19 respectively, capacitor C 3, resistance R 29, R30 are the outward element of CD4011, and their ends link to each other, the other end links to each other with pin 10,11,12 respectively, regulates the output frequency that R29 and C3 can adjust IC2.The gate terminals of the mouth AND circuit IC1 of silicon control V15 (pin 5,12,9,2) has a reactive circuit, this circuit is made of a switch triode V21, base stage is connected on the mouth of silicon control V15 by resistance R 5, emitter grounding, collecting electrode is connected on the A end by resistance R 0, gate terminals is connected on the base stage of V21, when the silicon control triggering and conducting, the V21 conducting, its collecting electrode output low level, making gate terminals is low level, gate circuit is in closed condition, otherwise gate terminals is a high level, and gate circuit is in door opening state.4 mouths of gate circuit IC1 and the mouth of silicon control V15 respectively have a circuit that is composed in series by resistance (R14, R11, R13, R18, R24) and diode (V2, V4, V3, V1, V5), their other end and to the base stage of switch circuit V13, constitute a joint denial gate reactive circuit with V13 with 5 input ends, the collecting electrode of V13 inserts the base stage of V12, its emitter grounding.Mouth at silicon control V15 also is connected to a time delay circuit IC3, this circuit adopts the NE555 timing circuit,

4,8 and be connected to the silicon control mouth, and by capacitor C 4 and pin 2,6 join, pin 2,6 by R40 ground connection, pin 5 joins and ground connection by capacitor C 5 and pin 1, regulate R40 and C4 and can change delay time, pin 3 is a mouth, join by resistance R 44 and switch triode V20 base stage, the V20 emitter grounding, collecting electrode joins with the automobile power source positive pole by two switching relay J coils and K switch 2, one group of normally closed contact of relay J is serially connected in that automobile easily fault takes place and the circuit place of casting anchor, one group of open contact is connected between the coil output and ground of relay factory, the normal-closed end 7 of the normally closed contact in the present embodiment and changeover contact 8 are serially connected on the car engine ignition coil, and the Chang Kaiduan 5 of another group open contact joins changeover contact 6 ground connection with the collecting electrode of coil and V20.

This caution instrument is work like this, when automobile starting, the A end has the high level signal input, the caution instrument is in running order, the high level of A end input is through R23, make the V12 conducting, its collecting electrode output low level makes the luminous demonstration of the read-out printed words that " maintain safe distance ", this moment, the gate terminals of gate circuit IC1 was a high level, gate circuit is in door opening state, when automobile need turn left or turn right, brake, during reversing, high level signal is by B or C, D, E holds input, export corresponding driving contactor pipe V9 or V11 to through gate circuit, V10, V8, make its conducting, output low level, read-out shows A left side " or " right side

", " the ■ car of stopping ", " car of falling ■ " printed words.Clamped to low level by the base stage of joint denial gate reactive circuit with V12 simultaneously, it is closed, read-out is eliminated the printed words of " maintaining safe distance ".

When meeting the misfortune car, the driver presses the misfortune car button switch K 1 that is installed in recesses in the operator's compartment, and F holds output low level, switching valve V14 ends, and collecting electrode output high level is to the trigger end of silicon control V15, the silicon control conducting that is triggered, the output high level, make the V21 conducting, its collecting electrode output low level closes gate circuit to the gate terminals of gate circuit IC1, simultaneously, by the high level of silicon control output by or the output of door feedback, make the V13 conducting, V12 ends; This moment, the pin 14 of oscillating circuit IC2 had the high level input, made

3,4 export high level in turn, make V18, V18 take turns conducting, end, make read-out show " robbing car ", " emergency " printed words successively in turn.The high level of silicon control output through the NE555 time delay circuit postpone a period of time as 5 to 10 minutes after, by pin 3 output high level, make the V20 conducting, relay moves, normal-closed end 7 separates with changeover contact 8, automobile is cast anchor because of engine off, and contact 6 contacts with Chang Kaiduan 5 simultaneously, makes coil ground connection form the loop, at this moment has only cut-off switch K2, automobile just can restart, and can reach the anti-function of saving oneself of robbing, after automobile power source is turned off in driver's parking, press and rob car emergency button K1, leave then,, need only his a startup automobile if there is the people to steal car, V15 promptly exports high level, read-out will show " robbing the ■ car " " asking ■ to rescue " signal, and " automatically " casts anchor after delaying time 5 to 10 minutes, thereby can also play antitheft effect.

Because B, C, D, the E end joins with the car bulb control system, automobile is controlled by the driver and is only sent a signal at every turn, therefore, in this practical example, it is at the same level that its priority level can be considered, but consider safety, make brake signal than the preferential output of astern signal, with D, E holds and meets a switching valve reactive circuit V7 between corresponding gate output pin 10 and the pin 3, and base stage is by R16 pin 10, collecting electrode pin 3, emitter grounding, if D and E end have the signal input simultaneously, when the pin 10 and 3 of gate circuit IC1 is exported high level simultaneously, the V7 conducting, its collecting electrode output low level clamps pin 3 on low level, thereby astern signal is blocked, V10 conducting this moment, read-out only shows the figure of " the ■ car of stopping ".

Claims

1, the high-order caution of a kind of automobile instrument, it is characterized in that: it comprises a read-out, is used for demonstration information or warning; A control circuit, control the displaying contents of above-mentioned read-out, this control circuit has startup, turn left, turn right, reversing, five signal input parts brake, each signal input part electrically connects by a driving circuit and read-out respectively, but each driving circuit individual drive read-out shows a kind of signal, turn left, turn right, reversing, four signal input parts that brake respectively have a reactive circuit to link to each other with the actuation signal input end, turn left, turn right, reversing, the electric signal that four signal input parts that brake are imported can clamp the actuation signal input end to low level by reactive circuit separately, closes the actuation signal input channel.

2, the high-order caution of automobile according to claim 1 instrument is characterized in that described read-out is formed by the dot matrix arrangement by some light-emitting diodes, and each luminous point can be connected in parallel by several light-emitting diodes and constitute.

3, according to claim 1 or the high-order caution of 2 described automobiles instrument, it is characterized in that: described actuation signal input end links to each other with motor start circuit, and provides high level for control circuit and read-out; Left-hand rotation, right-hand rotation, reversing, brake signal input end are connected the car bulb control system, and read-out is synchronoused working with lamp light control system.

4, the high-order caution of automobile according to claim 3 instrument, it is characterized in that described control circuit also has a misfortune car distress signal input end, and electrically connect by a driving circuit and read-out, this input end has reactive circuit to link to each other with above-mentioned five signal input parts respectively, the electric signal of this input end input can clamp above-mentioned each signal input part to low level by described reactive circuit, closes the input channel of above-mentioned each signal.

5, the high-order caution of automobile according to claim 4 instrument, it is characterized in that: turn left, turn right, brake, four signal input parts of reversing be connected in respectively four with an input end, described and the mouth of door link to each other with separately driving circuit, reactive circuit, with another input end of door be gate terminals, and rob the reactive circuit that car distress signal input end draws and link to each other.

6, the high-order caution of automobile according to claim 5 instrument, it is characterized in that described misfortune car distress signal input end is connected to a time delay circuit, by relay of this time delay circuit output control, the contact of this relay is connected on the automobile circuit that can make get stuck.

7, the high-order caution of automobile according to claim 6 instrument, it is characterized in that described relay is a pair of switching relay, one group of normally closed contact of this relay is serially connected on the automobile circuit that can make get stuck, and one group of open contact is connected between relay coil mouth and the ground.

8, the high-order caution of automobile according to claim 7 instrument is characterized in that described misfortune car distress signal is connected in the trigger control end of trigger circuit, and signal exports corresponding driving circuit, reactive circuit and time delay circuit to by trigger circuit.

9, the high-order caution of automobile according to claim 8 instrument, the mouth that it is characterized in that described trigger circuit is connected to an oscillating circuit, described oscillating circuit has two mouths that output state is opposite, controls a driving circuit respectively and drives read-out demonstration misfortune car, distress signal in turn.