CN1089221A - Safety automatic controlling device for motor-driven car - Google Patents
Safety automatic controlling device for motor-driven car Download PDFInfo
- Publication number
- CN1089221A CN1089221A CN 93100439 CN93100439A CN1089221A CN 1089221 A CN1089221 A CN 1089221A CN 93100439 CN93100439 CN 93100439 CN 93100439 A CN93100439 A CN 93100439A CN 1089221 A CN1089221 A CN 1089221A
- Authority
- CN
- China
- Prior art keywords
- control mechanism
- circuit
- signal
- piston
- car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
A kind of automatic control device that is used for the self-propelled vehicle safety control, mainly by ultrasound emission, acceptor circuit, the vehicle speed measurement circuit, signal comparator circuit is reported to the police and mode of operation display circuit and control mechanism constitute.It is characterized in that utilizing ultrasonic transmitter, the super sonic that sends bumps against on the object, the principle of meeting echogenicity ripple, handle receiving the echo that comes, then the range signal after vehicle speed signal of this car and the processing is analyzed, compared, its result is sent into control mechanism, realize slowing down or stopping, thereby it is slow to have overcome manual operation, judges inaccurately, is subjected to shortcomings such as weather, light influence.
Description
The present invention relates to a kind of automatic control device that is contained in the motor vehicle braking systems.
Now, self-propelled vehicle is a lot, especially automobile, its control mechanism all is by deceleration, the parking manually operating, resemble in travelling, all is to realize by foot accelerator clutch, throttle and brake, no matter be, or bad weather all can cause traffic accident because people's energy is not concentrated.
The objective of the invention is to design a kind of operation of not choosing, during to distance obstacle certain distance, make self-propelled vehicle realize the automatic control device that slows down or brake.
The present invention is achieved in that it is by excusing from death emission, acceptor circuit, the vehicle speed measurement circuit, and signal comparator circuit is reported to the police and mode of operation display circuit and control mechanism (Throttle Opening Control, brake control) constitute.This device is the excusing from death ripple that the excusing from death projector that will be installed in self-propelled vehicle the place ahead sends, bump against the excusing from death oscillator signal that reflects on the obstacle of front, received by same projector (receptor), by be tuned to the receptor of pulse carrier frequency amplify and detection, be added on the modulator then, modulator is being controlled the emission of sonic oscillation producer simultaneously again, obstacle sends pulse to the front, form a string pulse continuously, the frequency of this pulse will depend on the distance of projector apart from obstacle, utilize magnetic control pulse measuring principle simultaneously, measure the speed that this car travels, with range signal and this vehicle speed signal while input differential signal comparator circuit, after relatively amplifying by difference channel, make the DC relay action, thereby make Throttle Opening Control mechanism control throttle and brake, warning circuit sends alerting signal simultaneously.
The advantage of safety automatic controlling device for motor-driven car is:
As long as being need not any change, existing vehicle adds that this device can use, it is compared in manual operation control, it is fast to have speed of response, not influenced by weather, light, accurate to barrier judgment, and energy display machines motor-car various mode of operations under steam, this device does not have influence to the manual operation self-propelled vehicle when accessible.
Be elaborated below in conjunction with accompanying drawing:
Fig. 1, self-propelled vehicle automatic control device principle process block scheme
Fig. 2, auto-controller shell scheme drawing
Fig. 3, range signal emission, acceptor circuit figure
Fig. 4, vehicle speed measurement circuit diagram
Fig. 5, emitter structures scheme drawing
Fig. 6: the magnetodiode of vehicle speed measurement part is pressed dress method figure
Fig. 7, signal comparator circuit
Fig. 8, warning and mode of operation display circuit
Fig. 9, Throttle Opening Control mechanism outside drawing
Figure 10, Throttle Opening Control mechanism cutaway view outside drawing
Figure 11, brake control mechanism outside drawing
Figure 12, brake control mechanism cutaway view
Figure 13, Throttle Opening Control mechanism scheme of installation
Figure 14, brake control mechanism scheme of installation
The range signal emission, acceptor circuit Fig. 3, vehicle speed measurement circuit diagram 4, signal comparator circuit Fig. 7 and warning and mode of operation display circuit Fig. 8 are welded on the same wiring board, or make integrated package, again this wiring board or integrated package are installed in controller shell Fig. 2, it is neighbouring as Fig. 6 that the magnetodiode (3) of vehicle speed measurement part leans against permanent magnet, permanent magnet (1) is bonded in respectively on the transmission shaft (2) of self-propelled vehicle, Throttle Opening Control mechanism (5) is installed in throttle foot pedal pull bar (4) as Figure 13, and brake controlling machine composition (6) is installed in the foot-operated pull bar (7) of brake and goes up as Figure 14.
Wherein range signal transceiver circuit Fig. 3 is made of emission, receptor (8) excusing from death clapp oscillator (9) modulator (10), receiving amplifier (12), startup oscillator (13), distance indicator (11) six parts.Emission, receptor such as Fig. 5 are set in rubber washer (15) midway location by piezoelectric chip (14), in the iron-clad with holes (16) of packing into then.Excusing from death clapp oscillator (9) is by transistor BG oscillator coil B
1And oscillating capacitance C
1Form, its load is close-up crystal unit projector TF, at initial state, and power line voltage E
2Through resistance R
1And R
2Be added to BG
1Base stage, so BG
1Owing to positive extremely basic bias voltage ends.By transistor BG
2, BG
3The modulator of forming (10) is a univibrator, and negative going pulse is through resistance R during univibrator work
1And R
3Be added to BG
1Base stage, make BG
1Conducting realizes the modulation of impulse singla to sonic oscillation, at initial state, and transistor BG
3Base bias for just, thereby this pipe ends ZD
1Be power light, receiving amplifier (12) is by transistor BG
5, BG
6, BG
7The three extremely identical inductive coupling resonance amplification stages of forming are by diode D
2Detection and crystal BG
8Form not level and amplify, the pulse of its output directly is added to modulator BG
3Base stage, the work of control binary pair (modulator) starts oscillator (13), by transistor BG
9With low-frequency oscillation coil B
5Form a common blocking oscillator, its firing pulse directly is added to binary pair (modulator) BG
3Base stage, make ultrasonator (9) work, distance indication (11) is by transistor BG
4Diode D
1Form with distance gauge outfit PL, from transistor BG
3The voltage impulse of collecting electrode is to capacitor C
6Charging, charging time constant is by (R
11C
6) and discharge time constant (R
12, C
6) or R
13C
6The decision level, diode D
1, with capacitor C
6Charging and discharge separate capacitor C
6Voltage be added to field effect transistor BG
4Grid, thereby determined the degree of deflection of the pointer of gauge outfit PL, make apart from the distance of front obstacle, by K switch according to this aanalogvoltage
16Two discharge circuit R of conversion
12, R
13Can make instrument obtain two grades and measure range.
Vehicle speed measurement circuit such as Fig. 4, employing be magnetic control pulse measuring principle such as Fig. 6, permanent magnet (1) is bonded on the transmission shaft (2).Magnetodiode (3) leans against as sensor near the permanent magnet, along with the rotation of transmission shaft produces the pulse train signal by magnetodiode, adopts by BG again
15And BG
6(47) of the univibrator Fig. 4 that constitutes, the pulse signals amplitude limit amplifies, by BG
16The negative going pulse of collecting electrode output directly send into speed of a motor vehicle display part (18), the display part is made up of an emblem peace gauge outfit and several resistance, electric capacity, diode, the speed of a motor vehicle is high more, the pulse count of per second output is many more, the capacitive strike number of times is many more, the discharge average current is big more, and speed of a motor vehicle gauge outfit DV reading is big more, by K switch
2Two discharge circuits of conversion can make instrument obtain two speed of a motor vehicle ranges.
Signal comparator circuit such as Fig. 7 compare amplifying circuit (53) by speed of a motor vehicle phase inverter (51) difference comparator circuit (52) and form.Speed of a motor vehicle phase inverter (51) is by BG
10And resistance R
34Constitute, with speed of a motor vehicle simulation voltage inversion; Difference channel BG
11, BG
12, BG
13Constitute, with the speed of a motor vehicle and the bv of range signal difference input difference circuit and two input ends of aL, relatively amplifying circuit (52) is by D
4, BG
14Constitute, its load is DC relay ZJ, is touched the DC electromagnetic valve of control mechanism by ZJ.
Report to the police and mode of operation display circuit Fig. 8, it is to constitute ZD by indicator lamp (21) self oscillator (20) and audio amplifier (19)
2, ZD
3All be installed on the controller shell panel as shown in Figure 2 ZD
2For obstruction lights being arranged, ZD
3Be accessible indicator lamp, they link to each other with often the opening of DC relay ZJ, normally closed contact respectively, by BG
18, BG
19Reach attached resistance, electric capacity formation self oscillator, by BG
17Resistance R
59Constitute audio amplifier, oscillator signal is amplified, Y sends alerting signal by loud speaker.The open contact that autoexcitation and audio frequency amplify all with dc electric apparatus ZJ joins.
Throttle Opening Control mechanism map 9, Figure 10, constitute by valve casing (22) magnet coil (23) movable core (24) spring (25) valve rod (26) air valve (28) cylinder (29) piston (30) push rod (31), admission port (27) connects former overall height and presses air reservoir, when no excitation signal, because the Operating valve rod (26) of spring (25) cuts off admission port (27), connect exhausr port (32), high pressure gas in the cylinder are discharged by exhausr port, make piston be in free state, do not influence the throttle of artificial actuating self-propelled vehicle.When excitation signal, valve rod (26) is moved to the left, connect admission port, cut off exhausr port, high pressure gas charge into cylinder (29) moves right piston (30), makes foot-operated pull bar (4) action that connects together with push rod as Figure 13, turn off throttle, this moment is enough to overcome people's foot-operated power, when piston (30) moves right to the limit, and the admission port of brakes on control mechanism (34).
Brake control mechanism such as Figure 11, Figure 12, it is by valve casing (36), piston (37), push rod (38) admission port (34) exhausr port (39) constitutes, and piston moves right when high pressure gas, make footbrake pull bar (7) action that connects together with push rod (38), reach the purpose of brake, when no excitation signal, the high pressure gas in the former cylinder are discharged by exhausr port (33) by connection pipe, piston is in free state, and the manual operation footbrake is not had influence.
Throttle Opening Control mechanism and brake control mechanism are installed in respectively on the foot-operated pull bar of throttle and brake, press the dress method respectively as Figure 13 and Figure 14, and the exhausr port of Throttle Opening Control mechanism (40) is connected with the admission port (34) of high pressure hose with the brake control mechanism.
The controller shell is combined into by panel (45) and (46) two of base plates, power light (41) is housed on panel, speed of a motor vehicle gauge outfit (42), obstruction lights (43) is arranged, apart from gauge outfit (44), accessible indicator lamp (47) source switch (48), annunciator (49), the high, low speed change-over swith (50) that travels;
Claims (5)
1, a kind of safety automatic controlling device for motor-driven car, comprise range signal emission, acceptor circuit, the vehicle speed measurement circuit, signal comparator circuit, warning, mode of operation display circuit, Throttle Opening Control mechanism and brake control mechanism, wherein circuit part is welded on the wiring board or makes integrated package, is contained in the controller shell, control mechanism is installed in respectively on throttle foot pedal pull bar (4) and the foot-operated pull bar (7) of brake.The invention is characterized in: range signal emission, acceptor circuit are used for hypracoustic is transmitted and received, and the acquired disturbance thing is to the distance of this vehicle, the vehicle speed measurement circuit, be used for measurement to this car speed of a motor vehicle, signal comparator circuit compares this car vehicle speed signal and this car to the obstacle distance signal, report to the police to be used for the car that travels is carried out emergency state warning and the demonstration of safety state and touches the control mechanism action with the mode of operation display circuit.Throttle Opening Control mechanism is used to control throttle makes car retardation, and can make the braking mechanism brake under the emergency state.
2, self-propelled vehicle safety control according to claim 1, it is characterized in that: the emission of range signal transceiver circuit, receptor (8), be that piezoelectric chip (14) is set in rubber washer (15) midway location, in the iron-clad with holes (16) of packing into then.
3, self-propelled vehicle safety control according to claim 1 is characterized in that: the probe of vehicle speed measurement circuit is that permanent magnet (1) is bonded on the transmission shaft (2), and magnetosensitive two utmost points (3) pipe leans against near the permanent magnet.
4, self-propelled vehicle safety control according to claim 1.It is characterized in that: Throttle Opening Control mechanism, constitute (31) by valve casing (22), electromagnetism line chart (23) movable core (24) spring (25) valve rod (26) air valve (28) cylinder (29) piston (30) push rod, admission port (27) connect former overall height press air reservoir, when no excitation signal, because the Operating valve rod (26) of spring (25) cuts off admission port (27), connect exhausr port (32), high pressure gas in the cylinder are discharged by exhausr port, make piston be in free state, do not influence the throttle of artificial actuating self-propelled vehicle.When excitation signal, valve rod (26) is moved to the left, connect admission port (21), cut off exhausr port (32), high pressure gas charge into cylinder (29) moves right piston (30), makes foot-operated pull bar (4) action that connects together with push rod, turn off throttle, this moment is enough to overcome people's foot-operated power, when piston (30) moves right to the limit, and the admission port of brakes on control mechanism (40).
5, motor vehicle safety control setup according to claim 1, it is characterized in that: the brake control mechanism is by valve casing (36), piston (37), push rod (38) admission port (34) exhausr port (39) constitutes, piston when high pressure gas (37) moves right, make footbrake pull bar (7) action that connects together with push rod (38), reach the purpose of brake, when no excitation signal, high pressure gas in the former cylinder are discharged by exhausr port (33) by connection pipe, piston is in free state, and the manual operation footbrake is not had influence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93100439 CN1089221A (en) | 1993-01-09 | 1993-01-09 | Safety automatic controlling device for motor-driven car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93100439 CN1089221A (en) | 1993-01-09 | 1993-01-09 | Safety automatic controlling device for motor-driven car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1089221A true CN1089221A (en) | 1994-07-13 |
Family
ID=4983022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93100439 Withdrawn CN1089221A (en) | 1993-01-09 | 1993-01-09 | Safety automatic controlling device for motor-driven car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1089221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996045B (en) * | 2006-12-29 | 2012-03-07 | 武汉理工大学 | Ultrasonic positioning sensor |
| CN102717793B (en) * | 2005-12-22 | 2015-03-25 | 日产自动车株式会社 | Driving operation assist system of vehicle and vehicle possessing same |
-
1993
- 1993-01-09 CN CN 93100439 patent/CN1089221A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717793B (en) * | 2005-12-22 | 2015-03-25 | 日产自动车株式会社 | Driving operation assist system of vehicle and vehicle possessing same |
| CN1996045B (en) * | 2006-12-29 | 2012-03-07 | 武汉理工大学 | Ultrasonic positioning sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3442347A (en) | Safe trailing distance maintenance system for a trailing carrier vehicle | |
| RU62250U1 (en) | REVERSE RADAR WITH VEHICLE APPROXIMATION SIGNALING | |
| CN201534528U (en) | Rear-end collision pre-warning device for automobile | |
| JPH08324293A (en) | Possibility alarm device and method of collision based on dynamic deceleration capacity using predicted road-surface load | |
| JPS62187630A (en) | Device for monitoring state of operation of automobile and acoustically indicating information | |
| CN101890947A (en) | Automobile driving assisting system | |
| US4379330A (en) | Railroad car wheel detector | |
| CN1089221A (en) | Safety automatic controlling device for motor-driven car | |
| CN105128739A (en) | Intelligent danger avoidance system and method for vehicle | |
| US6271746B1 (en) | Method and devices for controlling the use of an automotive horn | |
| US5495225A (en) | Method of alerting a vehicle driver to different types of traction losses | |
| CN2120724U (en) | Monitor apparatus for safe going of motor vehicle and boat | |
| CN202163352U (en) | Intelligent emergency brake early warning system | |
| JP2024074712A (en) | Test system | |
| CN2570114Y (en) | Infrared laser reflection type car crashproof automatic control unit | |
| CN114056329A (en) | New energy automobile anticollision promptly dodges system | |
| US20030116077A1 (en) | Emergency signal system for vehicles | |
| CN104670192A (en) | Automobile automatic alarm brake system with dual brakes | |
| CN204527175U (en) | With the automobile automatic alarm brake system of dual brake | |
| CN108162853A (en) | A kind of novel and multifunctional ranging alarm temporary parking warning sign | |
| JPS59134038A (en) | Automatic brake system | |
| GB2320601A (en) | Safety system for railways | |
| CN2284173Y (en) | Automotive braking monitor | |
| CN2480251Y (en) | Safety prewarning device for car | |
| KR200165233Y1 (en) | A control system of railway crossing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WW01 | Invention patent application withdrawn after publication |