CN2047050U - Automatic alarm brake while driver tired - Google Patents

Abstract

The utility model relates to an automatic alarm brake while driver tired. After the automatic alarm brake while driver tired obtains the signal of eyelids sagging or eyes closed symptomatic modally while a driver tired, the automatic alarm brake while driver tired can accurately send out alarm acousto-optic, and simultaneously, brake action can be automatically finished in time. The design is composed of computer glasses, a controller, and an automatic brake executing agency. After an automobile is provided with the automatic brake executing agency of the design, the work of the automatic brake executing agency and original brake system doesn't interfere mutually; thus, the installation and use is convenient.

Description

Automatic alarm brake while driver tired

The design is a kind of automatic alarm and brake for tired driver.

The vehicle driving personnel are because long-distance driving, tired due to driving at night or other reason, drowsiness is one of major reason that causes a traffic accident, device to the accident of prevention tired driver had many researchs both at home and abroad, as Japan, device is waken in driver's drowsiness of West Germany's development, it is the principle that adopts the mercury transversal switch, utilize driver's nose drop or oblique features to obtain signal, send chimes of doom, this class device, the nose drop when the driver is unsleepy or can cause false alarm when tilting on the one hand, on the other hand, nose drop or inclination are not sleepy inevitable feature, the driver is in driving during fatigue doze, the head spasticity of habitually being kept upright often at the beginning, though also utilizing habitual movement to drive, but reaction is very blunt to external world, so and alarm at this moment is not owing to obtain the signal that the driver hangs one's head and can not in time report to the police, and these devices are after obtaining tired signal, only send the function of warning acousto-optic, as existing emergency condition generation at this moment, the driver who is waken has little time brake, does not still avoid the generation of accident.

The design aims to provide a kind of tired driver can reliably send the warning acousto-optic when sleepy exactly, can finish the device of brake again automatically.

The design realizes above-mentioned purpose by Computer glasses, controller, several parts of Braking mode topworks.Controller wherein includes J ₁ON-OFF control circuit, J ₂Time-delay switch control circuit, sound light alarming circuit and auxiliary reclay J ₃The gauge tap circuit, the work of Braking mode topworks is directly controlled by logic control valve circuit, it is characterized in that: infrared light generator (21) is installed on the Computer glasses, opto-electronic conversion and vibration raddiating circuit (26), left adjusting screw (22) is housed on the framework of the left side of a picture frame inboard, on the framework of the right right adjusting screw (23) is housed, right adjusting screw is made up of two screws in the nut casing that is screwed in two crosses respectively, adjustment circle (27) left side is fixed on left adjusting screw (22) and goes up on the turning joint sheet of installing (24), the right links to each other the infrared light power valve D of transducing part with right adjusting screw by spherical gimbal suspension (31) ₄₁With phototriode D ₄₂Be separately fixed at the left and right sides of adjusting circle (27), the photoelectric switching circuit input end is connected to by R ₄₁, R ₄₂, C ₄₅The delay circuit of forming, Braking mode topworks is the control gas circuit (or oil circuit) that the original brake system of car of control gas circuit (or oil circuit) access of control electromagnetic valve will be housed with three-way diverter valve, three-way diverter valve ports having A wherein and two relative port P ₁, P ₂, port P ₁And P ₂Between working chamber in a piston H sliding back and forth is arranged.The course of work and the principle of this device are as follows: after the driver puts on Computer glasses, by adjusting adjusting screw (22), (23), turning joint sheet (24) and spherical gimbal suspension (31), make infrared light power valve D ₄₁And phototriode D ₄₂Lay respectively at the left eye angle of eyes of driver and the optimum position of being convenient to obtain signal at right eye angle, the infrared light generator (21) that is contained in glasses one side is by integrated package C shown in Figure 4 ₄₁The multi-harmonic self-excited oscillation circuit that is connected into is formed, and vibration produces the pulse signal of 1KHZ by being contained in the infrared light power valve D at left eye angle ₄₁Send the 1KHZ infrared beam, when the people kept one's eyes open eyeball, infrared beam was pressed close to the phototriode D that the eyeball surface directive is contained in place, right eye angle ₄₂, D ₄₂Be subjected to infrared beam effect conducting, this moment is by integrated package C ₄₂The photoelectric switching circuit of forming (actual is to amplify phase inverter) output electronegative potential is by integrated package C ₄₃The not starting of oscillation of vibration raddiating circuit that is connected into, no signal output.And as the driver because tired eyelid is sagging or when closing the initial stage symptom of normal appearance (when this is tired driver), upper eyelid blocks infrared beam, make it can not directive photosensitive tube D ₄₂, this moment D ₄₂End, by C ₄₂The photoelectric switching circuit output noble potential of forming makes C ₄₃The oscillatory circuit starting of oscillation of forming, and by the high-frequency signal of pin 3 to external radiation 1MHZ, received by the controller in the pilothouse., insert by R owing to block infrared beam and the generation of mistaking signal phenomenon normal nictation in order to prevent at the input end of photoelectric switching circuit ₄₁, R ₄₂, C ₄₅The delay circuit of forming.Because normal action nictation than the eyelid that causes by fatigue the sagging or action of closing one's eyes want much shorter, add the time-lag action of delay circuit, so of short duration actuating signal nictation has little time to trigger C ₄₂Photoelectric switching circuit and C ₄₃Oscillatory circuit work, thus just can not send out output signal by mistake yet.After controller receives the high-frequency signal that Computer glasses sends, J ₁ON-OFF control circuit is started working: high-frequency signal is by high-frequency tube BG ₅₁Base stage respond to, pass through D ₅₁, D ₅₂, C ₅₆The fan-in network of forming triggers by integrated package C ₅₁The distortion monopulse multi-resonant oscillating circuit of forming makes it produce monopulse output, J ₁Action, normally opened contact J _1-1Adhesive, signal passes through C ₅₂The not circuit that is connected into carries out signal shaping, again through BG ₅₂Power amplifier promotes relay J ₂, because C ₅₇And R ₅₃Time-lag action, work as J _1-1During release, J ₂Can also keep one section ON time, thereby prolong J _2-2Pickup time, to guarantee J ₃There are enough ON time to go to control the work of Braking mode topworks.While J ₂The time-delay conducting, also make normally opened contact J _2-1Adhesive, thus make by integrated package C ₅₃The warning acousto-optic is sent in the sound light alarming circuit work of forming.Braking mode topworks directly controls the relay J in controller by logic control valve circuit shown in Figure 6 ₂, J ₃During connection, normally closed contact J shown in Figure 6 _2-3Disconnect, cut off automobile ignition coil DQ, engine kill.Normally opened contact J _2-4Connect, automobile tail light WD is bright.Auxiliary reclay J ₃Normally opened contact J _3-1Closure, the coil KFQ of connection control electromagnetic valve (70) ₁Normally closed control electromagnetic valve (70) is opened, connect the gas circuit in the Braking mode topworks, (see figure 7), so the pressurized air in the gas storage barrel (78) is through three-way connection (74) and control electromagnetic valve (70), three-way connection (75), three-way connection (73) enter the P of threeway air operated reversing valve (701), (702) respectively ₂Port, H is pushed into P piston ₁Mouthful, with this mouthful sealing, car was checked in brake chamber (71), (72) before and after gas entered respectively from the A mouth, after 4～7 second time delay, and relay J ₂, J ₃All reset, normally closed control electromagnetic valve (70) also resets, and the brake gas flow loop is blocked, thus continue to keep braking state, treat that the driver is clear-headed after, continue driving, must press normal open switch K shown in Figure 6 earlier ₃, connect control electromagnetic valve coil KFQ ₂, make normally closed control electromagnetic valve (76) action shown in Figure 7, pressurized air is discharged, remove braking state.When the driver brakes under normal condition, step on brake pedal, the gas in the operation valve (77) enters the P of three-way diverter valve (701), (702) respectively ₁Port, H pushes P to piston ₂Port also seals this mouthful, and gas enters front and back brake chamber (71) (72) from the A port of two reversal valves respectively, finishes brake, so Braking mode topworks and the original arrestment mechanism function of automobile that the present invention inserts are not disturbed mutually.

The design during tired driver sagging the or action of closing one's eyes of the initial stage symptom eyelid of normal appearance as obtaining signal, exclude with the delay circuit signal that sends of action of will blinking simultaneously, so obtain the reliability of tired signal, accuracy greatly improves, after this device obtains the tired driver signal simultaneously, can not only send the warning acousto-optic, can also automatically car be checked, further improved the reliability of prevention fatigue doze accident, this device is installed is changed any mechanism of original vehicle, and after automobile inserts the design's Braking mode topworks, be independent of each other with the work of original arrestment mechanism, thereby install and use easily.

Description of drawings:

Fig. 1: automatic alarm and brake for tired driver block scheme

Fig. 2: Computer glasses example structure synoptic diagram of the present invention

21, infrared light generator

22, left adjusting screw

23, right adjusting screw

24, left adjusting screw turning joint sheet

25, picture frame

26, opto-electronic conversion and vibration radiation appliance

27, adjust circle

D ₄₁, the infrared light power valve

D ₄₂, phototriode

Fig. 3: right adjusting screw 23 partial schematic diagrams of the design's Computer glasses embodiment

23, right adjusting screw

31, spherical gimbal suspension

Fig. 4: the design's Computer glasses embodiment circuit diagram

Fig. 5: the design's controller embodiment circuit diagram

Fig. 6: pneumatic Braking mode topworks logic control valve circuit

KFQ ₁, control electromagnetic valve (70) coil

DQ, automobile ignition coil

KFQ ₂, control electromagnetic valve (76) coil

WD, automobile tail light

Fig. 7: pneumatic Braking mode topworks synoptic diagram

(solid line partly is the pneumatic Braking mode of the present invention topworks among the figure, and dotted portion is the pneumatic arrestment mechanism of original automobile)

71, back brake chamber

72, preceding brake chamber

73, three-way connection

74, three-way connection

75, three-way connection

77, brake valve

78, gas storage barrel

79, air pump

701, threeway air operated reversing valve

702, threeway air operated reversing valve

70, normally closed control electromagnetic valve

76, normally closed control electromagnetic valve

Fig. 8: normally closed control electromagnetic valve structural representation

81, electromagnetic valve coil

82, valve gap

83, valve body

84, solenoid valve shell

85, moving iron core

86, packing washer

Fig. 9: threeway air operated reversing valve structural representation

Figure 10, hydraulic oil one of the embodiment of the Braking mode topworks synoptic diagram of stopping

101, pedal

102, hydraulic braking master cylinder

104, vacuum assistor

105, preceding brake cylinder

106, rear braking subpump

108, surplus valve

110, grease chamber

103, normally closed control electromagnetic valve

107, threeway hydraulicdirectional control valve

109, electric oil pump

Figure 11: stop two synoptic diagram of the embodiment of Braking mode topworks of hydraulic oil

111, pedal

112, hydraulic braking pump

113, threeway hydraulicdirectional control valve

114, vacuum assistor

115, preceding brake cylinder

116, rear braking subpump

117, normally closed control electromagnetic valve

118, electromagnetic brake

119, hydraulic braking pump

Embodiment one explanation: the automatic alarm and brake for tired driver that is applicable to atmospheric control.

See Fig. 2, Fig. 3 Computer glasses synoptic diagram and Fig. 4 Computer glasses integrated circuit figure, the integrated circuit C in the infrared light generator of present embodiment ₄₁Used the 5G1555 time-base integrated circuit, more additional other circuits become self-excited oscillator, produce the pulse current of 1KHZ, 200mA, and this part circuit is contained in and is positioned on (Fig. 2 (21)) on the left leg of spectacles in the little plastic casing, 12 volts of power leads are introduced from automobile power source, infrared light power valve D ₄₁Adopt HG403 arsenicization Light emitting diode is installed in the left side of adjusting circle (27) with it, regulates the position that adjustment screw (22) and turning joint sheet (24) can be adjusted this pipe, photosensitive receiving tube mouth D ₄₂Adopt 3Du51C type silicon phototriode, this pipe is positioned on the right side of adjusting circle (27), adjust two screws and the spherical gimbal suspension (31) of adjusting screw (23) and can adjust its position, photoelectric switching circuit uses the CO36B integrated circuit, at its input end access delay resistance capacitance R ₄₁, R ₄₂, C ₄₅It is worth big I according to the time-delay length needs respectively at 300 Ω, 2.7K adjust about Ω, 0.3～0.47 μ f, the vibration raddiating circuit adopts the FX555 integrated circuit, this circuit can give off the high-frequency signal of 1MHZ by pin 3, covering radius is (because the shielding action of pilothouse shell, it is outer just very faint that electromagnetic wave reaches car) about 5m.Controller circuitry is seen Fig. 5, relay J ₁The signal receiving tube of ON-OFF control circuit has been selected the 3DG101 high-frequency tube for use, and on-off circuit adopts the FX555 integrated circuit, and its trigger current is 0.5mA, and the output maximum current is the relay J in the 200mA output circuit ₁Model is JRXBF(6V41 Ω), cause J for fear of the vehicle power supply voltage shakiness ₁Misoperation, insert R at this circuit FX555 power end ₅₂, C ₅₅, and stabilivolt D ₅₃, voltage is stabilized between 10～11.8V.When high-frequency signal was imported, the monostable circuit that FX555 forms was triggered, and produced monopulse output, J ₁Action, its normally opened contact J _1-1Closure will trigger J ₂Control circuit work, J ₂Control circuit is to form not circuit with the CO36B integrated circuit, and signal is carried out shaping, makes power amplifier with 3DG13D again and promotes relay J ₂Remove to control auxiliary reclay J ₃, J ₂Adopt the JZ6V relay, in order to prolong J ₂ON time, this circuit inserts at the CO36B integrated circuit input end, by R ₅₃, C ₅₇The delay circuit of forming is worked as J _1-1When being disconnected by attracting state, power supply is through R ₅₃To capacitor C ₅₇Charging, its duration of charging is delay time, even J ₂Prolong the time of conducting.Because controller institute bringing onto load is bigger, load current can reach about 8A, so set up this grade auxiliary reclay J ₃, J ₃Model be JZX12V, coil working voltage is 12V, its conducting is by J ₂Normally opened contact J _2-2Control.Sound light alarming circuit constitutes simple multi resonant audio oscillator circuit with a NE555 time-base integrated circuit.The Braking mode operating part is seen Fig. 6, Fig. 7, shown in Figure 7 pneumatic Braking mode topworks is by logic control valve circuit control shown in Figure 6, present embodiment is parallel to Braking mode topworks (solid line part among the figure) on the control gas circuit of original automobile braking mechanism (dotted portion among the figure) with 2 threeway air operated reversing valves (701), (702) and three-way connection (74), the threeway air operated reversing valve is seen Fig. 8, the passage of port A and relative two-port P ₁, P ₂Between working chamber perpendicular, piston H can be at P ₁, P ₂Between working chamber in slide, H slides into P ₁, P ₂In arbitrary end, be about to this port sealing, right another port then communicate with port A, can flow through pressure gas, realize the switching of two cover arrestment mechanism duties in parallel with this.The work of Braking mode topworks is controlled by control electromagnetic valve (70) and (76), and the coil of (70), (76) is again by J ₂, J ₃The contact control.(70), (76) that this example is used are with reference to the structure of DF2 type solenoid directional control valve, see Fig. 8, and coil (81) adopts the enameled wire of φ 0.8mm, and the R value is 1.5 Ω, and it is guaranteed at 2～10kg/cm ²Air pressure is work down, after measured, and under the 12V operating voltage, its rated operational current is 8A, and power consumption is 96 watts, for preventing the corrosion failure effect to valve such as profit, gas, packing washer (86) is selected oil resistant, water-fast rubber for use, and valve body (83) is made for brastil, and moving iron core (85) is zinc-plated.The normally opened contact J of present embodiment in logic control valve circuit (Fig. 6) in addition _3-1A two ends emergency brake switch K in parallel ₂, this normal open switch can be positioned on the place ahead, assistant driver position, when automobile generation emergency condition driving driver had little time to brake, the coach or the assistant that are sitting in the driver next door also can press K like this ₂, connect control electromagnetic valve (70) coil KFQ, make automobile emergency brake.Be used for removing the K switch of braking state simultaneously in this circuit ₃Can use key self-lock switch (the automotive ignition key switch can substitute), it is opened and the pass promptly key insertion keyhole to be turned control, pulls up key and can play self-locking action, after automobile uses the design's Braking mode topworks to check car, as long as the driver pulls up key, make K ₃Also keep the state drive, others does not have key just not remove the braking automobile state, just drives to walk automobile yet, plays preventing that other people from stealing the effect of car.

Embodiment 2: the hydraulic pressure Braking mode topworks that suitable oil is stopped load-carrying vehicle and middle-size and small-size passenger vehicle.

See Figure 10, this class car is hydraulic braking, the design's Braking mode topworks is control oil channel (solid line part among the figure) the access original brake system control oil channel of automobile (dotted portion among the figure) that will be connected to control electromagnetic valve (103) and electric oil pump (109) with threeway hydraulicdirectional control valve (107), the course of work is as follows: during normal braking, driver push down on the pedal (101), make hydraulic braking master cylinder (102) output pressurization fluid, enter the P of threeway hydraulicdirectional control valve (107) ₁Mouthful, piston is pushed to P ₂Mouthful, sealing this mouthful, fluid is gone out from port A, and brake is finished in brake cylinder (105), (106) before and after entering by vacuum assistor (104).And when Braking mode topworks works, J _2-3Disconnect, cut off automobile ignition coil DQ, J _3-1Connect electric oil pump (109) work, output pressurization fluid enters the P of threeway hydraulicdirectional control valve (107) by control electromagnetic valve (103) ₂Mouthful, H is pushed into P with piston ₁Mouthful, fluid is brake cylinder (105), (106) before and after port A enters, and finish the self-actuating brake action.Remove braking state, then press K switch ₃, control electromagnetic valve (103) coil KFQ connects, (103) action, and the brake fluid that will pressurize is sent accumulator (110) back to, removes braking state.

Embodiment 3: the hydraulic pressure Braking mode topworks of suitable car and imported car.

See Figure 11, the control oil channel (solid line part) that will be connected to control electromagnetic valve (117), electromagnetic brake (118) and hydraulic braking pump (119) with threeway hydraulicdirectional control valve (113) inserts original hydraulic braking system for automobile (dotted portion), when Braking mode topworks works, J _2-3Disconnect, cut off automobile ignition coil DQ, J _3-1Connect, electromagnetic brake (118) action, hydraulic braking pump (119) output high-voltage oil liquid is by the P of threeway hydraulicdirectional control valve (113) ₂Brake was finished in brake cylinder (115), (116) before and after the A port entered, and pressed K ₃, control electromagnetic valve (117) action, work fluid is got back to accumulator, removes braking state.

Claims (3)

1, a kind of automatic alarm and brake for tired driver is made up of Computer glasses, controller, several parts of Braking mode topworks, and controller includes relay J ₁ON-OFF control circuit, J ₂Time-delay switch control circuit, sound light alarming circuit and auxiliary reclay J ₃Several parts of ON-OFF control circuit, Braking mode topworks comprises logic control valve circuit and brake actuator two parts, it is characterized in that: infrared light generator (21) is housed on the Computer glasses, opto-electronic conversion and vibration radiation appliance (26), left adjusting screw (22) is housed on the framework of the left side of a picture frame inboard, on the framework of the right right adjusting screw (23) is housed, right adjusting screw is made up of two screws in the nut casing that is screwed in two crosses respectively, adjustment circle (27) is fixed on left adjusting screw (22) on one side and goes up on the turning joint sheet of installing (24), and one side links to each other with right adjusting screw by spherical gimbal suspension (31).The infrared light power valve D of transducing part ₄₁With phototriode D ₄₂Be separately fixed at the left and right sides of adjusting circle (27), the input end of photoelectric switching circuit is connected to by R, R ₄₂, C ₄₅The delay circuit of forming, Braking mode topworks is with threeway air operated reversing valve (70), (76) (or threeway hydraulicdirectional control valve (107)) will be equipped with the control gas circuit (or oil circuit) of the original brake system of car of control gas circuit (or oil circuit) access of control electromagnetic valve, three-way diverter valve ports having A wherein and two relative port p ₁, p ₂, p ₁And p ₂Between working chamber in a piston H sliding back and forth is arranged.

2, device as claimed in claim 1 is characterized in that the auxiliary reclay J in the logic control valve circuit of described Braking mode operating part ₃Normally opened contact J _3-1A two ends emergency brake normal open switch K in parallel ₂

3, device as claimed in claim 1 is characterized in that the normal open switch K in the logic control valve circuit of Braking mode operating part ₃Can adopt key self-locking gauge tap.

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