CN114038210A - Alarm reminding device for preventing driver from mistakenly running red light - Google Patents
Alarm reminding device for preventing driver from mistakenly running red light Download PDFInfo
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- CN114038210A CN114038210A CN202111300243.3A CN202111300243A CN114038210A CN 114038210 A CN114038210 A CN 114038210A CN 202111300243 A CN202111300243 A CN 202111300243A CN 114038210 A CN114038210 A CN 114038210A
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- 241000283070 Equus zebra Species 0.000 claims abstract description 8
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000010409 thin film Substances 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 29
- 239000013078 crystal Substances 0.000 claims description 9
- 239000010408 film Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 2
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- 208000003443 Unconsciousness Diseases 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/044—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
- E01F13/046—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface the obstructing members moving up in a translatory motion, e.g. telescopic barrier posts
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Alarm Systems (AREA)
Abstract
A first piezoelectric film traffic sensor (1) and a buzzer SW (4) are buried in a parking line, a second piezoelectric film traffic sensor (2) is buried at a position 0.8-1.2m away from the parking line and far away from one side of a zebra crossing, a third piezoelectric film traffic sensor (3) is buried at a position 3.8-4.2m away from the parking line, the first piezoelectric film traffic sensor, the second piezoelectric film traffic sensor and the third piezoelectric film traffic sensor respectively transmit detected gravity signals to an alarm reminding circuit, and the alarm reminding circuit judges whether alarm reminding needs to be carried out on an automobile driver and whether a lifting pile installed on the side of the zebra crossing needs to be started according to received red light and green light signals. The invention can give an alarm when the driver runs the red light to remind the driver to stop.
Description
Technical Field
The invention relates to a reminding device for preventing driver from mistakenly running red light, in particular to an alarm reminding device for preventing driver from mistakenly running red light, and belongs to the technical field of safe driving of automobile drivers.
Background
In order to ensure the traffic, traffic lights are installed at the intersection. Generally, drivers who maliciously run red lights are few, and many situations are unconsciously run red lights, for example, many small cars follow behind a large car, and the red lights or green lights in the front cannot be seen, or the red lights can be easily unconsciously run without paying attention to the observation. It is very necessary to effectively remind the unconscious driver of mistakenly running the red light.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the alarm reminding device for preventing the driver from mistakenly running the red light, which can give an alarm when the driver runs the red light to remind the driver to stop.
In order to achieve the above object, the present invention provides an alarm reminding device for preventing driver from mistakenly running red light, which comprises a first piezoelectric film traffic sensor, a second piezoelectric film traffic sensor, a third piezoelectric film traffic sensor, a buzzer SW and an alarm reminding circuit, the first piezoelectric thin film traffic sensor and the buzzer SW are buried in the stop line, the second piezoelectric thin film traffic sensor is buried at the position 0.8-1.2m away from the stop line, and the first piezoelectric thin film traffic sensor, the second piezoelectric thin film traffic sensor and the third piezoelectric thin film traffic sensor are buried at a position 3.8-4.2m away from the stop line, and respectively transmit detected gravity signals to an alarm reminding circuit, and the alarm reminding circuit judges whether alarm reminding needs to be carried out on an automobile driver and whether a lifting pile arranged on the side of the zebra crossing needs to be started according to received red light and green light signals.
The alarm reminding circuit comprises resistors R1-R4, electrolytic capacitors C1-C2, capacitors C3-C4, diodes D1-D9, triodes BG 1-BG 12, crystal oscillator XT1, a transformer B1, a rectifier stack UR, a three-terminal voltage-stabilizing integrated circuit IC1, a single chip microcomputer IC2, limit switches SQ 1-1-SQ 1-2, limit switches SQ 2-1-SQ 2-2, a motor M1, a relay J1, a normally open contact J1-1 of the relay J1, a normally closed contact J1-2 of the relay J1, a relay J1-1 of the relay J1, a normally open contact J1-2 of the normally open relay J1, a normally closed contact J1 of the relay J1, a relay J1-1, a normally closed contact J1 of the relay J1, a normally closed contact J1-1, a relay J1 of the relay J1, and a normally closed contact J1 of the relay J1, A normally open contact J5-1 of a relay J5, a normally closed contact J5-2 of a relay J5, a normally closed contact J5-3 of a relay J5, a relay J6, a normally open contact J6-1 of a relay J6, a normally open contact J6-2 of a relay J6, a normally closed contact J6-3 of a relay J6, a relay J7, a normally open contact J7-1 of a relay J7, a normally open contact J7-2 of a relay J7 and a normally closed contact J7-3 of a relay J7;
the input end of a transformer B1 is connected with a 220V alternating current power supply, the output end of a transformer B1 is respectively connected with a pin 1 and a pin 2 of a rectifier stack UR, a pin 3 of the rectifier stack UR is respectively connected with the anode of an electrolytic capacitor C1 and a pin 1 of a three-terminal voltage-stabilizing integrated circuit IC1, a pin 3 of the three-terminal voltage-stabilizing integrated circuit IC1 is connected with the anode of an electrolytic capacitor C2, one end of a normally-open contact J1-1 of a relay J1, one end of a buzzer SW, one end of a normally-open contact J2-1 of the relay J2, one end of a normally-open contact J6-1 of the relay J6, one end of a normally-open contact J5-1 of the relay J5, one end of a normally-open contact J4-3 of the relay J4, one end of a normally-open contact J7-1 of the relay J7, one end of a normally-closed contact J7-3 of the relay J7, one end of a normally-closed contact J6-3 of the relay J6, one end of a resistor R3 and one end of a resistor R4, The collector of a triode BG7, the cathode of a diode D6, the cathode of a diode D7, the collector of a triode BG8, a pin 40 of a singlechip IC2, the cathode of a diode D5, the cathode of a diode D4, the cathode of a diode D3, the cathode of a diode D2, the cathode of a diode D1, a pin 1 of the singlechip IC2 is connected with a first piezoelectric film traffic sensor for receiving a first piezoelectric film traffic sensor signal, a pin 2 of the singlechip IC2 is connected with a second piezoelectric film traffic sensor for receiving a second piezoelectric film traffic sensor signal, a pin 3 of the singlechip IC2 is connected with a third piezoelectric film traffic sensor for receiving a third piezoelectric film traffic sensor signal, a pin 4 of the singlechip IC2 is connected with a red light signal, a pin 5 of the singlechip IC2 is connected with a green light signal, a pin 18 of the singlechip IC2 is respectively connected with one end of a capacitor C3 and one end of a crystal oscillator 1, a pin 19 of the singlechip IC2 is connected with one end of a capacitor C4, The other end of the crystal oscillator XT1, the other end of the capacitor C3, the other end of the capacitor C4, the pin 4 of the rectifier stack UR, the negative electrode of the electrolytic capacitor C1 and the negative electrode of the electrolytic capacitor C2 are all grounded, the pin 21 of the singlechip IC2 is connected with the base of the transistor BG1, the collector of the transistor BG1 is connected with the anode of the diode D1, the relay J1 is connected with the two ends of the diode D1 in parallel, the pin 22 of the singlechip IC1 is connected with the base of the transistor BG1, the collector of the transistor BG1 is connected with the anode of the diode BG1, the collector of the transistor BG1 is connected with the cathode of the diode BG1 in parallel, the pin 24 of the IC1 is connected with the base of the transistor BG1 in parallel, the collector of the diode BG1 is connected with the anode of the diode BG1 in parallel, the base of the relay J1 is connected with the two ends of the transistor BG1 in parallel, the base of the transistor BG1 and the transistor BG1 is connected with the two ends of the transistor BG1, a collector of the transistor BG5 is connected with the anode of the diode D5, the relay J5 is connected in parallel with two ends of the diode D5, and an emitter of the transistor BG1, an emitter of the transistor BG2, an emitter of the transistor BG3, an emitter of the transistor BG4 and an emitter of the transistor BG5 are all grounded;
the other end of a normally open contact J1-1 of a relay J1 is sequentially connected with a normally open contact J4-1 of a relay J4 in series, the base of a triode BG6 is connected behind a normally closed contact J5-2 of a relay J5, the collector of the triode BG6 is connected with the other end of a buzzer SW, the other end of a normally open contact J2-1 of a relay J2 is connected with one end of a normally open contact J4-2 of a relay J4, the other end of a normally open contact J4-2 of a relay J4 is connected with the other end of a normally open contact J6-1 of a relay J6 and then is connected with one end of a normally closed contact J3-2 of the relay J3, the other end of a normally closed contact J3-2 of a relay J3 is sequentially connected with a normally closed contact J5-3 of the relay J5 in series, a limit switch SQ1-2 and then is connected with one end of a relay J6, the other end of a normally open contact J4-3 of the relay J4 is connected with one end of a normally open contact J3-1 of a normally open relay J3 in series, the other end of a normally open contact J5-1 of the relay J5, the other end of a normally open contact J3-1 of the relay J3, and the other end of a normally open contact J7-1 of the relay J7 are connected and then connected with one end of a normally closed contact J4-4 of the relay J4, the other end of a normally closed contact J4-4 of the relay J4 is connected with one end of the relay J4 after being connected with a limit switch SQ 4-2 in series, the other end of a normally closed contact J4-3 of the relay J4 is connected with a normally open contact J4-2 of the relay J4 in series, the base of the triode BG4 is connected after the resistor R4 is connected with the collector of the triode BG4, the base of the triode BG4 and the base of the triode BG4, the other end of the normally closed contact J4-3 of the relay J4 is connected with the normally open contact J4-2 of the relay J4 in series, the base of the triode BG4, the base of the triode BG 72 is connected with the base of the triode BG4, the base of the triode BG 72, and the collector of the triode BG 72 is connected with the base of the triode BG4, The base electrode of the transistor BG8, the base electrode of the transistor BG10, the emitter electrode of the transistor BG7 is connected with one end of a limit switch SQ2-1, the other end of the limit switch SQ2-1 is respectively connected with the emitter electrode of the transistor BG9, the anode electrode of a diode D6, the cathode electrode of a diode D8 and the cathode electrode of the motor M1, the emitter electrode of the transistor BG8 is connected with one end of the limit switch SQ1-1, the other end of the limit switch SQ1-1 is respectively connected with the emitter electrode of the transistor BG10, the anode electrode of a diode D7, the cathode electrode of a diode D9 and the anode electrode of the motor M1, the emitter electrode of the transistor BG6, the other end of the relay J6, the other end of the relay J7, the emitter electrode of the transistor BG11, the emitter electrode of the transistor BG12, the collector electrode of the transistor BG9, the collector electrode of the transistor BG8, the anode electrode of the diode D9 and the collector electrode of the transistor BG10 are all grounded.
As a further improvement of the invention, the model of the three-terminal voltage-stabilizing integrated circuit IC1 is 7812, and the model of the singlechip IC2 is STC89LE516 AD.
As a further improvement of the invention, the triodes BG 1-BG 6 are NPN tube type, 3DG12 in model, the triodes BG7 and BG8 are NPN tube type, S8050 in model, the triodes BG9 and BG10 are PNP tube type, S8550 in model, and the triodes BG10 and BG11 are NPN tube type, 9013 in model.
As a further improvement of the invention, the diodes D1-D9 are IN 4007.
As a further improvement of the invention, the types of the relays J1-J7 are JRX-20F.
Compared with the prior art, the method has the advantages that the first piezoelectric thin film traffic sensor and the buzzer SW are buried in the stop line, the second piezoelectric thin film traffic sensor is buried at a position 0.8-1.2m away from the stop line, the third piezoelectric thin film traffic sensor is buried at a position 3.8-4.2m away from the stop line, the alarm reminding circuit is used for receiving gravity signals detected by the first piezoelectric thin film traffic sensor, the second piezoelectric thin film traffic sensor and the third piezoelectric thin film traffic sensor respectively, and judging whether alarm reminding needs to be carried out on an automobile driver and whether a lifting pile installed on the zebra crossing side needs to be started according to the received red light and green light signals; when the road lipstick lamp is on, if a driver drives to press the front wheel of the automobile to the first piezoelectric thin film traffic sensor, the buzzer SW makes a sound to remind the driver to stop; if the automobile speed is not high at the moment, the lifting pile motor M1 rotates forwards to drive the lifting pile to ascend, so that a driver can have more obvious feeling and be reminded to run the red light; if the automobile speed is faster at this moment, for the sake of safety, lift stake motor M1 reverses, drives the lift stake and descends to the horizontal plane, lights when the green light of intersection, and bee calling organ SW stops the sound production, if the lift stake is above ground this moment, lift stake motor M reverses, drives the lift stake and descends to the horizontal plane. The invention can give an alarm when the driver runs the red light to remind the driver to stop.
Drawings
FIG. 1 is a schematic diagram of a sensor arrangement in the alarm device of the present invention;
fig. 2 is a schematic diagram of the alarm alert circuit of the present invention.
In the figure: 1. a first piezoelectric thin film traffic sensor, 2, a second piezoelectric thin film traffic sensor, 3, a third piezoelectric thin film traffic sensor, 4, a buzzer SW.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in figure 1, the alarm reminding device for preventing the driver from mistakenly running the red light comprises a first piezoelectric film traffic sensor 1, a second piezoelectric film traffic sensor 2, a third piezoelectric film traffic sensor 3, a buzzer SW4 and an alarm reminding circuit, the first piezoelectric thin film traffic sensor 1 and the buzzer SW4 are buried in the stop line, the second piezoelectric thin film traffic sensor 2 is buried at the position 0.8-1.2m away from the stop line, and is far away from one side of the zebra crossing, the third piezoelectric thin film traffic sensor 3 is buried at a position 3.8-4.2m away from the stop line, the first piezoelectric thin film traffic sensor 1, the second piezoelectric thin film traffic sensor 2 and the third piezoelectric thin film traffic sensor 3 respectively transmit the detected gravity signals to the alarm reminding circuit, and the alarm reminding circuit judges whether the alarm reminding is needed to be carried out on the automobile driver and whether the lifting pile arranged at the zebra crossing side needs to be started according to the received red light and green light signals.
As shown in FIG. 2, the alarm reminding circuit comprises resistors R1-R4, electrolytic capacitors C1-C2, capacitors C3-C4, diodes D1-D9, triodes BG 1-BG 12, crystal oscillator XT1, transformer B1, rectifier stack UR, three-terminal voltage-stabilizing integrated circuit IC1, single-chip microcomputer IC2, limit switches SQ 1-1-SQ 1-2, limit switches SQ 2-1-SQ 2-2, motor M1, relay J1, normally open contact J1-1 of relay J1, normally closed contact J1-2 of relay J1, relay J1-72, normally closed contact J1-1 of relay J1, normally open contact J1-1 of relay J1, normally open contact J1-1 of relay J1, normally closed contact J1-1 of relay J1, and normally closed contact J1 of relay J1, A normally open contact J5-1 of a relay J5, a normally closed contact J5-2 of a relay J5, a normally closed contact J5-3 of a relay J5, a relay J6, a normally open contact J6-1 of a relay J6, a normally open contact J6-2 of a relay J6, a normally closed contact J6-3 of a relay J6, a relay J7, a normally open contact J7-1 of a relay J7, a normally open contact J7-2 of a relay J7 and a normally closed contact J7-3 of a relay J7; the type of the three-terminal voltage-stabilizing integrated circuit IC1 is 7812, the type of the singlechip IC2 is STC89LE516AD, the types of the triodes BG 1-BG 6 are NPN tube types, the types are 3DG12, the types of the triodes BG7 and BG8 are NPN tube types, the types are S8050, the types of the triodes BG9 and BG10 are PNP tube types, the types are S8550, the types of the triodes BG10 and BG11 are NPN tube types, the types are 9013, the types of the diodes D1-D9 are IN4007, and the types of the relays J1-J7 are JRX-20F.
The input end of a transformer B1 is connected with a 220V alternating current power supply, the output end of the transformer B1 is respectively connected with a pin 1 and a pin 2 of a rectifier stack UR, a pin 3 of the rectifier stack UR is respectively connected with the anode of an electrolytic capacitor C1 and a pin 1 of a three-terminal voltage-stabilizing integrated circuit IC1, a pin 3 of the three-terminal voltage-stabilizing integrated circuit IC1 is connected with the anode of an electrolytic capacitor C2, one end of a normally-open contact J1-1 of a relay J1, one end of a buzzer SW4, one end of a normally-open contact J2-1 of a relay J2, one end of a normally-open contact J6-1 of a relay J6, one end of a normally-open contact J5-1 of a relay J5, one end of a normally-open contact J4-3 of a relay J4, one end of a normally-open contact J7-1 of a relay J7, one end of a normally-closed contact J7-3 of a relay J7, one end of a normally-closed contact J6-3 of a relay J6, one end of a resistor R3 and one end of a resistor R4, A collector of a transistor BG7, a cathode of a diode D6, a cathode of a diode D7, a collector of a transistor BG8, a pin 40 of a singlechip IC2, a cathode of a diode D5, a cathode of a diode D4, a cathode of a diode D3, a cathode of a diode D2 and a cathode of a diode D1, wherein a pin 1 of the singlechip IC2 is connected with a first piezoelectric film traffic sensor 1 for receiving signals of the first piezoelectric film traffic sensor 1, a pin 2 of the singlechip IC2 is connected with a second piezoelectric film traffic sensor 2 for receiving signals of the second piezoelectric film traffic sensor 2, a pin 3 of the singlechip IC2 is connected with a third piezoelectric film traffic sensor 3 for receiving signals of the third piezoelectric film traffic sensor 3, a pin 4 of the singlechip IC2 is connected with a red light signal, a pin 5 of the singlechip IC2 is connected with a green light signal, pins 18 of the singlechip IC2 are respectively connected with one end of a capacitor C3 and one end of a crystal oscillator XT1, pin 19 of the single chip microcomputer IC2 is connected with one end of a capacitor C4 and the other end of a crystal oscillator XT1, the other end of the capacitor C3, the other end of a capacitor C4, pin 4 of a rectifier stack UR, the negative electrode of an electrolytic capacitor C1 and the negative electrode of the electrolytic capacitor C2 are all grounded, pin 21 of the single chip microcomputer IC2 is connected with the base of a transistor BG2, the collector of the transistor BG2 is connected with the anode of a diode D2, a relay J2 is connected in parallel with both ends of the diode D2, pin 22 of the single chip microcomputer IC2 is connected with the base of the transistor BG2, the collector of the transistor BG2 is connected with the anode of the diode BG2, a relay J2 is connected in parallel with both ends of the diode D2, pin 24 of the single chip microcomputer IC2 is connected with the base of the transistor BG2, the collector of the diode BG2 is connected with the anode of the relay J2, and the collector of the relay J2 is connected in parallel with both ends of the diode BG2, a pin 25 of the singlechip IC2 is connected with a base electrode of a triode BG5, a collector electrode of the triode BG5 is connected with an anode of a diode D5, a relay J5 is connected in parallel with two ends of a diode D5, and an emitting electrode of the triode BG1, an emitting electrode of the triode BG2, an emitting electrode of the triode BG3, an emitting electrode of the triode BG4 and an emitting electrode of the triode BG5 are all grounded;
the other end of a normally open contact J1-1 of a relay J1 is sequentially connected with a normally open contact J4-1 of a relay J4 in series, the base of a triode BG6 is connected behind a normally closed contact J5-2 of a relay J5, the collector of the triode BG6 is connected with the other end of a buzzer SW, the other end of a normally open contact J2-1 of a relay J2 is connected with one end of a normally open contact J4-2 of a relay J4, the other end of a normally open contact J4-2 of a relay J4 is connected with the other end of a normally open contact J6-1 of a relay J6 and then is connected with one end of a normally closed contact J3-2 of the relay J3, the other end of a normally closed contact J3-2 of a relay J3 is sequentially connected with a normally closed contact J5-3 of the relay J5 in series, a limit switch SQ1-2 and then is connected with one end of a relay J6, the other end of a normally open contact J4-3 of the relay J4 is connected with one end of a normally open contact J3-1 of a normally open relay J3 in series, the other end of a normally open contact J5-1 of the relay J5, the other end of a normally open contact J3-1 of the relay J3, and the other end of a normally open contact J7-1 of the relay J7 are connected and then connected with one end of a normally closed contact J4-4 of the relay J4, the other end of a normally closed contact J4-4 of the relay J4 is connected with one end of the relay J4 after being connected with a limit switch SQ 4-2 in series, the other end of a normally closed contact J4-3 of the relay J4 is connected with a normally open contact J4-2 of the relay J4 in series, the base of the triode BG4 is connected after the resistor R4 is connected with the collector of the triode BG4, the base of the triode BG4 and the base of the triode BG4, the other end of the normally closed contact J4-3 of the relay J4 is connected with the normally open contact J4-2 of the relay J4 in series, the base of the triode BG4, the base of the triode BG 72 is connected with the base of the triode BG4, the base of the triode BG 72, and the collector of the triode BG 72 is connected with the base of the triode BG4, The base electrode of the transistor BG8, the base electrode of the transistor BG10, the emitter electrode of the transistor BG7 is connected with one end of a limit switch SQ2-1, the other end of the limit switch SQ2-1 is respectively connected with the emitter electrode of the transistor BG9, the anode electrode of a diode D6, the cathode electrode of a diode D8 and the cathode electrode of the motor M1, the emitter electrode of the transistor BG8 is connected with one end of the limit switch SQ1-1, the other end of the limit switch SQ1-1 is respectively connected with the emitter electrode of the transistor BG10, the anode electrode of a diode D7, the cathode electrode of a diode D9 and the anode electrode of the motor M1, the emitter electrode of the transistor BG6, the other end of the relay J6, the other end of the relay J7, the emitter electrode of the transistor BG11, the emitter electrode of the transistor BG12, the collector electrode of the transistor BG9, the collector electrode of the transistor BG8, the anode electrode of the diode D9 and the collector electrode of the transistor BG10 are all grounded.
The resistance values of these elements in fig. 2 are well known and can be adjusted as required by those skilled in the art.
The working principle of the invention is as follows: in the driving process of an automobile, when the front tire pressure of the automobile reaches the third piezoelectric film traffic sensor 3, the third piezoelectric film traffic sensor 3 sends the received signal to the pin 2 of the singlechip IC2, the timing is started, when the front tire pressure of the automobile reaches the second piezoelectric film traffic sensor 2, the timing is stopped, the singlechip IC2 can calculate the automobile speed, if the automobile speed is higher than a certain limit value, the pin 23 of the singlechip IC2 outputs high level, the triode BG3 is conducted, and the relay J3 is electrified and attracted.
When a red light is lightened at a crossing, a red light signal is sent to 4 feet of the singlechip IC2, 24 feet of the singlechip IC2 output high level, the triode BG4 is conducted, the relay J4 is electrified and attracted, normally open contacts J4-1, J4-2 and J4-3 of the relay J4 are closed, if the driver drives the automobile at the moment so that a front wheel of the automobile presses a parking line, a first piezoelectric film traffic sensor 1 signal is sent to 1 foot of the singlechip IC2, 21 feet of the singlechip IC2 output high level, the triode BG1 is conducted, the relay J1 is electrified and attracted, the normally open contact J1-1 of the relay J1 is closed, the triode BG6 is conducted, the buzzer SW makes a sound to remind the driver of parking, if the driver does not hear or pay no attention, the wheel of the automobile passes through the second piezoelectric film traffic sensor 2 at the moment, a signal received by the second piezoelectric film traffic sensor 2 is sent to 2 foot of the singlechip IC2, the pin 22 of the singlechip IC2 outputs high level, the triode BG2 is conducted, the relay J2 is electrified and pulled in, the normally open contact J2-1 of the relay J2 is closed, if the speed of the automobile is not fast at the moment, the relay J3 is not electrified, the normally closed contact J3-2 of the relay J3 is closed, the normally open contact J3-1 of the relay J3 is disconnected, the relay J6 is electrified and pulled in, the normally open contact J6-2 of the relay J6 is closed, the triode BG11 is conducted, the collector of the triode BG11 is low level, the triode BG9 is conducted, the triode BG12 is cut off, the collector of the triode BG12 is high level, the triode BG8 is conducted, the current passes through the triode BG8 → the positive pole of the motor M1 → the negative pole of the motor M1 → the triode BG9 → ground, the lifting pile motor M1 rotates forwards to drive the lifting pile to ascend, and stops after the limit switch SQ1-1 and SQ1-2, the lifting pile only rises a little distance, and only the driver feels that the lifting pile is red light at the moment and should stop in time; if the speed of the automobile is high, the relay J3 is powered on, the normally closed contact J3-2 of the relay J3 is disconnected, the normally open contact J3-1 of the relay J3 is closed, the relay J7 is powered on and pulled on, the normally open contact J7-2 of the relay J7 is closed, the normally closed contact J7-3 of the relay J7 is disconnected, the triode BG11 is cut off, the collector of the triode BG11 is high-level, the triode BG7 is conducted, the triode BG12 is conducted, the collector of the triode BG12 is low-level, the triode BG10 is conducted, the current passes through the triode BG7 → the negative electrode of the motor M1 → the positive electrode of the motor M1 → the triode BG10 → ground, the lifting pile motor M1 rotates reversely to drive the lifting piles to descend, and stops after the limiting switches SQ2-1 and 2-2 are reached, so that the automobile is prevented from being overturned accidentally.
When a green light at a crossing is lightened, a green light signal is sent to a pin 5 of the singlechip IC2, a pin 25 of the singlechip IC2 outputs a high level, the triode BG5 is conducted, the relay J5 is electrified and attracted, a normally open contact J5-1 of the relay J5 is closed, normally closed contacts J5-2 and J5-3 of the relay J5 are disconnected, the triode BG6 is cut off, the buzzer SW4 stops sounding, if the lifting pile is above the ground at the moment, the relay J7 is electrified and attracted, the lifting pile motor M1 rotates reversely to drive the lifting pile to descend, and the lifting pile stops after reaching limit switches SQ2-1 and SQ 2-2.
Claims (6)
1. The alarm reminding device is characterized by comprising a first piezoelectric thin film traffic sensor (1), a second piezoelectric thin film traffic sensor (2), a third piezoelectric thin film traffic sensor (3), a buzzer SW (4) and an alarm reminding circuit, wherein the first piezoelectric thin film traffic sensor (1) and the buzzer SW (4) are buried in a parking line, the second piezoelectric thin film traffic sensor (2) is buried at a position 0.8-1.2m away from the parking line and is far away from one side of a zebra line, the third piezoelectric thin film traffic sensor (3) is buried at a position 3.8-4.2m away from the parking line, the first piezoelectric thin film traffic sensor (1), the second piezoelectric thin film traffic sensor (2) and the third piezoelectric thin film traffic sensor (3) respectively transmit detected gravity signals to the alarm reminding circuit, and the alarm reminding circuit transmits the detected gravity signals to the alarm reminding circuit according to the received red light, The green light signal judges whether to need to carry out warning to the driver and whether to need to start the lifting pile installed on the zebra crossing side.
2. The alarm reminding device for preventing the driver from running the red light by mistake as claimed in claim 1, wherein the alarm reminding circuit comprises resistors R-R, electrolytic capacitors C-C, diodes D-D, triodes BG-BG, crystal oscillator XT, a transformer B, a rectifier stack UR, a three-terminal voltage-stabilizing integrated circuit IC, a single chip microcomputer IC, limit switches SQ-1-SQ-2, a motor M, a relay J, a normally open contact J-1 of the relay J, a normally open contact J-1 of the relay J, a normally closed contact J-2 of the relay J, a normally open contact J-1 of the relay J, a normally open contact J-2 of the relay J, a normally open contact J-3 of the relay J, a normally open contact J-1 of the relay J, a normally open contact J-1 of the relay J, a normally open contact J, a relay J, a normally open contact J-1, a relay J, a, Normally closed contact J4-4 of relay J4, relay J5, normally open contact J5-1 of relay J5, normally closed contact J5-2 of relay J5, normally closed contact J5-3 of relay J5, relay J6, normally open contact J6-1 of relay J6, normally open contact J6-2 of relay J6, normally closed contact J6-3 of relay J6, relay J7, normally open contact J7-1 of relay J7, normally open contact J7-2 of relay J7 and normally closed contact J7-3 of relay J7;
the input end of a transformer B1 is connected with a 220V alternating current power supply, the output end of a transformer B1 is respectively connected with a pin 1 and a pin 2 of a rectifier stack UR, a pin 3 of the rectifier stack UR is respectively connected with the anode of an electrolytic capacitor C1 and a pin 1 of a three-terminal voltage-stabilizing integrated circuit IC1, a pin 3 of the three-terminal voltage-stabilizing integrated circuit IC1 is connected with the anode of an electrolytic capacitor C2, one end of a normally-open contact J1-1 of a relay J1, one end of a buzzer SW (4), one end of a normally-open contact J2-1 of a relay J2, one end of a normally-open contact J6-1 of a relay J6, one end of a normally-open contact J5-1 of a relay J5, one end of a normally-open contact J4-3 of a relay J4, one end of a normally-open contact J7-1 of a relay J7, one end of a contact J7-3 of a relay J7, one end of a normally-closed contact J6-3 of a relay J6, one end of a normally-6-3 of a resistor R3, One end of a resistor R4, a collector of a triode BG7, a cathode of a diode D6, a cathode of a diode D7, a collector of a triode BG8, a pin 40 of a singlechip IC2, a cathode of a diode D5, a cathode of a diode D4, a cathode of a diode D3, a cathode of a diode D2 and a cathode of a diode D1, wherein a pin 1 of the singlechip IC2 is connected with a first piezoelectric thin-film traffic sensor (1) for receiving a signal of the first piezoelectric thin-film traffic sensor (1), a pin 2 of the singlechip IC2 is connected with a second piezoelectric thin-film traffic sensor (2) for receiving a signal of the second piezoelectric thin-film traffic sensor (2), a pin 3 of the singlechip IC2 is connected with a third piezoelectric thin-film traffic sensor (3) for receiving a signal of the third piezoelectric thin-film traffic sensor (3), a pin 4 of the singlechip IC2 is connected with a red light signal, a pin 5 of the singlechip IC2 is connected with a green light signal, and a pin 18 of the singlechip IC2 is connected with one end of a capacitor C3, One end of a crystal oscillator XT1, a pin 19 of a singlechip IC2 is connected with one end of a capacitor C4 and the other end of a crystal oscillator XT1, the other end of a capacitor C3, the other end of a capacitor C4, a pin 4 of a rectifier stack UR, the negative electrode of an electrolytic capacitor C1 and the negative electrode of an electrolytic capacitor C2 are all grounded, a pin 21 of the singlechip IC2 is connected with the base of a transistor BG1, the collector of the transistor BG1 is connected with the anode of a diode D1, a relay J1 is connected in parallel with the two ends of the diode D1, a pin 23 of the singlechip IC1 is connected with the base of the transistor BG1, the collector of the transistor BG1 is connected with the anode of the diode D1, the relay J1 is connected in parallel with the two ends of the diode BG1, a pin 24 of the transistor IC1 is connected with the base of the transistor BG1, the collector of the transistor BG1 is connected with the anode of the diode BG1, and the collector of the transistor BG1 is connected with the diode BG1, the relay J4 is connected in parallel at two ends of the diode D4, a pin 25 of the singlechip IC2 is connected with a base electrode of a triode BG5, a collector electrode of the triode BG5 is connected with an anode of the diode D5, the relay J5 is connected in parallel at two ends of the diode D5, and an emitting electrode of the triode BG1, an emitting electrode of the triode BG2, an emitting electrode of the triode BG3, an emitting electrode of the triode BG4 and an emitting electrode of the triode BG5 are all grounded;
the other end of a normally open contact J1-1 of a relay J1 is sequentially connected with a normally open contact J4-1 of a relay J4 in series, the base of a triode BG6 is connected behind a normally closed contact J5-2 of a relay J5, the collector of the triode BG6 is connected with the other end of a buzzer SW, the other end of a normally open contact J2-1 of a relay J2 is connected with one end of a normally open contact J4-2 of a relay J4, the other end of a normally open contact J4-2 of a relay J4 is connected with the other end of a normally open contact J6-1 of a relay J6 and then is connected with one end of a normally closed contact J3-2 of the relay J3, the other end of a normally closed contact J3-2 of a relay J3 is sequentially connected with a normally closed contact J5-3 of the relay J5 in series, a limit switch SQ1-2 and then is connected with one end of a relay J6, the other end of a normally open contact J4-3 of the relay J4 is connected with one end of a normally open contact J3-1 of a normally open relay J3 in series, the other end of a normally open contact J5-1 of the relay J5, the other end of a normally open contact J3-1 of the relay J3, and the other end of a normally open contact J7-1 of the relay J7 are connected and then connected with one end of a normally closed contact J4-4 of the relay J4, the other end of a normally closed contact J4-4 of the relay J4 is connected with one end of the relay J4 after being connected with a limit switch SQ 4-2 in series, the other end of a normally closed contact J4-3 of the relay J4 is connected with a normally open contact J4-2 of the relay J4 in series, the base of the triode BG4 is connected after the resistor R4 is connected with the collector of the triode BG4, the base of the triode BG4 and the base of the triode BG4, the other end of the normally closed contact J4-3 of the relay J4 is connected with the normally open contact J4-2 of the relay J4 in series, the base of the triode BG4, the base of the triode BG 72 is connected with the base of the triode BG4, the base of the triode BG 72, and the collector of the triode BG 72 is connected with the base of the triode BG4, The base electrode of the transistor BG8, the base electrode of the transistor BG10, the emitter electrode of the transistor BG7 is connected with one end of a limit switch SQ2-1, the other end of the limit switch SQ2-1 is respectively connected with the emitter electrode of the transistor BG9, the anode electrode of a diode D6, the cathode electrode of a diode D8 and the cathode electrode of the motor M1, the emitter electrode of the transistor BG8 is connected with one end of the limit switch SQ1-1, the other end of the limit switch SQ1-1 is respectively connected with the emitter electrode of the transistor BG10, the anode electrode of a diode D7, the cathode electrode of a diode D9 and the anode electrode of the motor M1, the emitter electrode of the transistor BG6, the other end of the relay J6, the other end of the relay J7, the emitter electrode of the transistor BG11, the emitter electrode of the transistor BG12, the collector electrode of the transistor BG9, the collector electrode of the transistor BG8, the anode electrode of the diode D9 and the collector electrode of the transistor BG10 are all grounded.
3. The warning and reminding device for preventing the driver from running the red light mistakenly as claimed in claim 2, wherein the three-terminal voltage-stabilizing integrated circuit IC1 is 7812, and the single-chip microcomputer IC2 is STC89LE516 AD.
4. The warning and reminding device for preventing the driver from running the red light mistakenly according to claim 3, wherein the triodes BG 1-BG 6 are NPN tube type with the model number of 3DG 12; the triodes BG7 and BG8 are NPN tube type with model number S8050; the triodes BG9 and BG10 are PNP tube type with model number S8550; the triodes BG10 and BG11 are NPN tube type, and model number is 9013.
5. The warning and reminding device for preventing the driver from running the red light mistakenly according to claim 3, wherein the type of the diodes D1-D9 is IN 4007.
6. The warning and reminding device for preventing the driver from running the red light mistakenly according to claim 3, wherein the type of the relay J1-J7 is JRX-20F.
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Application publication date: 20220211 |