CN204136905U - A kind of automobile side angle Initiative Defense control circuit - Google Patents
A kind of automobile side angle Initiative Defense control circuit Download PDFInfo
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- CN204136905U CN204136905U CN201420561164.7U CN201420561164U CN204136905U CN 204136905 U CN204136905 U CN 204136905U CN 201420561164 U CN201420561164 U CN 201420561164U CN 204136905 U CN204136905 U CN 204136905U
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Abstract
The utility model relates to a kind of automobile side angle Initiative Defense control circuit.The utility model comprises ultrasonic transmit circuit, super sonic acceptor circuit, crystal oscillating circuit, reset circuit, power circuit, distance display circuit, central controlled lock relay drive circuit, LED display and buzzer phone control circuit, micro controller system.Ultrasonic transmit circuit, super sonic acceptor circuit is for sensing the distance of other automobile and this car.Central controlled lock relay drive circuit performs the action of car door opening or closedown.The utility model can with automobile CAN-bus and LIN bus communication, obtain automobile speed signal and car key signal and by the ultrasonic transduter intellectual monitoring front vehicle Distance geometry speed of a motor vehicle, detection sensitivity is high, improves the safety of automobile.
Description
Technical field
The utility model belongs to automobile electric control system technical field, and especially one relates to automobile side angle Initiative Defense control circuit.
Background technology
Current automobile, as the important vehicle of people, has become partner important in people's life and work.The simultaneously safety of automobile is also paid attention to by customer day by day, because the good car of a safety performance can not only erect a kind of barrier for oneself and household, also to take a safety control to other people.Even if due to reality factor restrictions such as funds, safety emphasis will be classified as in people's subconsciousness, the research of regarding Car safety performance and the application of up-to-date technology are also subject to the attention of manufacturer always, from initial bumper/spoiler vibration insulating system, Passenger-Seat-Belt system, safety air bag to vehicle impact testing, wheel anti-lock braking system(ABS) (ABS), Anti-slip regulation system (ASR), vehicle stability control system (VSC) arrives without blind spot, no parallax safety rear-view mirror and child seat systematic research, and these all design for the safety of car.
Show that this report of investigation finds according to the investigation of 2012 of J.D.Power Asia-Pacific company, the safety of vehicle and quality are the primary standards of Chinese purpose car purchaser.Luxury car purpose car purchaser more than 3/5 (66%) and the non-luxury car purpose car purchaser more than 7/10 (72%) consider a vehicle because of quality and safety.Visible, modern purchases the normal emphasis safety factor of Chefei, and which kind of car can provide better safety performance, just can win in keen competition.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of automobile side angle Initiative Defense control circuit.
The technical scheme that the utility model technical solution problem is taked is:
The utility model comprises ultrasonic transmit circuit, super sonic acceptor circuit, crystal oscillating circuit, reset circuit, power circuit, distance display circuit, central controlled lock relay drive circuit, LED display and buzzer phone control circuit, micro controller system.
Described ultrasonic transmit circuit comprises hex inverter 74HCO4, patch capacitor C21, C22, resistance R8, R9, ultrasonic transducer LS1, power supply VCC.1 pin of phase inverter U5A is connected with micro controller system 1 pin P1.0 mouth, 2 pin of phase inverter U5A are connected with 3 pin of phase inverter U5B, 5 pin of phase inverter U5C are all connected with 4 pin of phase inverter U5B with 9 pin of phase inverter U5D, 6 pin of phase inverter U5C are connected with one end of resistance R8 with 8 pin of phase inverter U5D, and the other end of resistance R8 is connected with power supply VCC.6 pin of phase inverter U5C are connected with one end of patch capacitor C21 with 8 pin of phase inverter U5D, and the other end of patch capacitor C21 is connected with loud speaker LS1 one end.2 pin of phase inverter U5A are connected with 13 pin of phase inverter U5F with 11 pin of phase inverter U5E, and 10 pin of phase inverter U5E are connected with one end of resistance R9 with 12 pin of phase inverter U5F, and the other end of resistance R9 is connected with power supply VCC.10 pin of phase inverter U5E are connected with one end of patch capacitor C22 with 12 pin of phase inverter U5F, and the other end of patch capacitor C22 is connected with the ultrasonic transducer LS1 other end.Described phase inverter U5A, phase inverter U5B, phase inverter U5C, phase inverter U5D, phase inverter U5E, phase inverter U5F form hex inverter 74HCO4, and wherein the model of micro controller system is STC89C52.
Super sonic acceptor circuit comprises super sonic and receives special chip CX20106A, crystal triode T52N2222, resistance R5, R6, R7, R18, R19, patch capacitor C17, C18, C20, chemical capacitor C19, power supply VCC, super sonic Receiver LS2.2 pin of crystal triode T5 are connected to the ground, and 3 pin are connected with resistance R18 one end and micro controller system 12 pin P3.2 mouth, and the resistance R18 other end is connected with power supply VCC.7 pin one end that super sonic receives special chip CX20106A are connected with resistance R19, and the other end of resistance R19 is connected with 1 pin of crystal triode 2N2222.Super sonic receives special chip CX20106A and is connected with one end of resistance R7, and the other end of resistance R7 is connected with one end of patch capacitor C20, one end of power supply VCC respectively, and the other end of patch capacitor C20 is connected to the ground.8 pin that super sonic receives special chip CX20106A are connected with power supply VCC.5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R6, and the other end of resistance R6 is connected with power supply VCC.5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R5, and the other end of resistance R5 is connected with one end of patch capacitor C18, and the other end of patch capacitor C18 is connected to the ground.3 pin that super sonic receives special chip CX20106A are connected with the positive pole of chemical capacitor C19, and the negative pole of chemical capacitor C19 is connected to the ground.4 pin that super sonic receives special chip CX20106A are connected to the ground.6 pin that super sonic receives special chip CX20106A are connected with one end of patch capacitor C17, and the C17 other end of patch capacitor is connected to the ground.1 pin that one end and the super sonic of super sonic Receiver LS2 receive special chip CX20106A is connected, and the other end is connected to the ground.
Described crystal oscillating circuit comprises 12MHZ crystal oscillator X1 and patch capacitor C7, C8.The two ends of crystal oscillator X1 are connected with one end of patch capacitor C7, C8 respectively, and 1 end of crystal oscillator X1 is connected to micro controller system 19 pin, and 2 ends of crystal oscillator X1 are connected to micro controller system 18 pin, and the other end of patch capacitor C7, C8 is connected to the ground.
Described reset circuit comprises power supply VCC, chemical capacitor C9, resistance R1, and the positive pole of chemical capacitor C9 is connected with power supply VCC, and negative pole is connected with micro controller system 9 (RST) pin.Resistance R1 one end is connected to the ground, and the other end is connected with micro controller system 9 (RST) pin.
Described power circuit comprises out-put supply VCC, three terminal regulator U2, chemical capacitor C1, C4, patch capacitor C2, C3.1 pin of three terminal regulator U2 is connected with the positive pole of battery, chemical capacitor C1, one end of patch capacitor C2 respectively, and the negative pole of chemical capacitor C1 and the other end of patch capacitor C2 are connected to the ground.2 pin of three terminal regulator U2 are connected to the ground.The 3 pin out-put supply VCC of three terminal regulator U2.The positive pole of chemical capacitor C4 is connected with power supply VCC with one end of patch capacitor C3, and negative pole and the patch capacitor C3 other end of chemical capacitor C4 are connected to the ground.
Described distance display circuit comprises actuator/decoder U774ls47,47 segment numeral pipe U6SM41036lk, 4 resistance R19,4 resistance R20.31 pin of micro controller system U1 are connected with power supply VCC, 39 pin are connected with 7 pin of actuator/decoder U7,38 pin of micro controller system U1 are connected with 1 pin of actuator/decoder U7,37 pin of micro controller system U1 are connected with 2 pin of actuator/decoder U7,36 pin of micro controller system U1 are connected with 6 pin of actuator/decoder U7,16 pin of actuator/decoder U7 meet power supply VCC, the 8 pin ground connection of actuator/decoder U7,13,12,11,10,9,15,14 of actuator/decoder U7 is connected with 11,4,4,2,1,10,5 pin of charactron U6 respectively.21 pin of micro controller system U1 export Lock Open signal and are connected to central controlled lock relay, 22 pin export Lock Close signal and connect central controlled lock relay, 23 pin export Lamp signal and are connected to LED display circuit, and 24 pin export Bell signal and are connected to buzzer phone control circuit.25,26,27,28 pin of micro controller system U1 connect 4 resistance R19 respectively, 4 resistance R19 other ends are connected with the base stage of 4 aerotron T5Q2N2222 respectively, the source electrode of 4 aerotron T5Q2N2222 is connected with 4 resistance R20 respectively, emitter ground connection respectively, 6,8,9,12 pin of charactron U6 are connected with 4 resistance R20 respectively, and 4 resistance R20 other ends are connected with power supply VCC respectively.
Described central controlled lock relay drive circuit comprises relay drive circuit A and relay drive circuit B.
Described relay drive circuit A comprises resistance R13, R14, R15, aerotron T3, patch capacitor C23, and 3 pin of aerotron T3 are connected with one end of resistance R13, and the other end of resistance R13 is connected with battery.3 pin of aerotron T3, one end of patch capacitor C23 are connected with actr.The other end of patch capacitor C23 is connected to the ground.2 pin of aerotron T3 are connected to the ground.1 pin of aerotron T3 is connected with one end of resistance R14, R15 respectively, and the other end of resistance R15 is connected to the ground, and the other end of resistance R14 is connected with micro controller system 21 pin Lock Open signal.
Described relay drive circuit B comprises resistance R16, R17, R18, aerotron T4, patch capacitor C24, and 3 pin of aerotron T4 are connected with one end of resistance R16, and the other end of resistance R16 is connected with battery.3 pin of aerotron T4, be connected with actr with one end of patch capacitor C24, the other end of patch capacitor C24 is connected to the ground.2 pin of aerotron T4 are connected to the ground.1 pin of aerotron T4 is connected with one end of resistance R17, R18 respectively, and the other end of resistance R18 is connected to the ground, and the other end of resistance R17 is connected with micro controller system 22 pin Lock Close signal.
Described LED display and buzzer phone control circuit comprise buzzer phone control circuit and LED display circuit.
Described buzzer phone control circuit comprises aerotron T1, resistance R10, buzzer phone DS2.The source electrode of aerotron T1 is connected with one end of buzzer phone DS2, and the other end of buzzer phone DS2 is connected with power supply VCC.The base stage of aerotron T1 is connected with one end of resistance R10, and the other end of resistance R10 is connected with micro controller system 24 pin Bell signal.The grounded emitter of aerotron T1.
Described LED display circuit comprises power supply VCC, LED DS1, aerotron T2, resistance R11, R12.The source electrode of aerotron T2 is connected with one end of resistance R12, and the other end of resistance R12 is connected with one end of LED DS1, and the other end of LED DS1 is connected with power supply VCC.The base stage of aerotron T2 is connected with one end of resistance R11, and the other end of resistance R11 is connected with micro controller system 23 pin Lamp signal.The emitter of aerotron T2 is connected to the ground.
The beneficial effects of the utility model:
1, can with automobile CAN-bus and LIN bus communication, obtain automobile speed signal and car key signal.
2, by the ultrasonic transduter intellectual monitoring front vehicle Distance geometry speed of a motor vehicle, detecting distance reaches more than 35m.
3, after playing prompting effect to occupant, occupant manually can remove locking function according to wish.
4, turn to or change lane time, if rear has vehicle to give active forewarning by buzzer phone.
Accompanying drawing explanation
Fig. 1 is integrated circuit schematic diagram of the present utility model;
Fig. 2 is ultrasonic transmit circuit figure;
Fig. 3 is super sonic acceptor circuit;
Fig. 4 is STC89C52 micro controller system pinouts;
Fig. 5 is crystal oscillating circuit figure;
Fig. 6 is reset circuit figure;
Fig. 7 is power circuit diagram;
Fig. 8 is distance display circuit figure;
Fig. 9 A is central controlled lock relay drive circuit A constructional drawing;
Fig. 9 B is central controlled lock relay drive circuit B constructional drawing;
Figure 10 is LED display and buzzer phone control circuit figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model mainly comprises ultrasonic transmit circuit, super sonic acceptor circuit, crystal oscillating circuit, reset circuit, power circuit, distance display circuit, central controlled lock relay drive circuit, LED display and buzzer phone control circuit, micro controller system.
Ultrasonic transmit circuit as described in Figure 2 comprises hex inverter 74HCO4, patch capacitor C21, C22, resistance R8, R9, ultrasonic transducer LS1, power supply VCC.1 pin of phase inverter U5A is connected with micro controller system 1 pin P1.0 mouth, 2 pin of phase inverter U5A are connected with 3 pin of phase inverter U5B, 5 pin of phase inverter U5C are all connected with 4 pin of phase inverter U5B with 9 pin of phase inverter U5D, 6 pin of phase inverter U5C are connected with one end of resistance R8 with 8 pin of phase inverter U5D, and the other end of resistance R8 is connected with power supply VCC.6 pin of phase inverter U5C are connected with one end of patch capacitor C21 with 8 pin of phase inverter U5D, and the other end of patch capacitor C21 is connected with loud speaker LS1 one end.2 pin of phase inverter U5A are connected with 13 pin of phase inverter U5F with 11 pin of phase inverter U5E, and 10 pin of phase inverter U5E are connected with one end of resistance R9 with 12 pin of phase inverter U5F, and the other end of resistance R9 is connected with power supply VCC.10 pin of phase inverter U5E are connected with one end of patch capacitor C22 with 12 pin of phase inverter U5F, and the other end of patch capacitor C22 is connected with the ultrasonic transducer LS1 other end.Described phase inverter U5A, phase inverter U5B, phase inverter U5C, phase inverter U5D, phase inverter U5E, phase inverter U5F form hex inverter 74HCO4, and wherein the model of micro controller system is STC89C52.Produced the square wave of 40KHz by micro controller system, and receive 74HC04 by the P1.0 mouth of micro controller system, 40KHz frequency signal is nursed one's health, produce resonance to make ultrasonic transduter.
Super sonic acceptor circuit as described in Figure 3 comprises super sonic and receives special chip CX20106A, crystal triode T52N2222, resistance R5, R6, R7, R18, R19, patch capacitor C17, C18, C20, chemical capacitor C19, power supply VCC, super sonic Receiver LS2.2 pin of crystal triode T5 are connected to the ground, and 3 pin are connected with resistance R18 one end and micro controller system 12 pin P3.2 mouth, and the resistance R18 other end is connected with power supply VCC.7 pin one end that super sonic receives special chip CX20106A are connected with resistance R19, and the other end of resistance R19 is connected with 1 pin of crystal triode 2N2222.Super sonic receives special chip CX20106A and is connected with one end of resistance R7, and the other end of resistance R7 is connected with one end of patch capacitor C20, one end of power supply VCC respectively, and the other end of patch capacitor C20 is connected to the ground.8 pin that super sonic receives special chip CX20106A are connected with power supply VCC.5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R6, and the other end of resistance R6 is connected with power supply VCC.5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R5, and the other end of resistance R5 is connected with one end of patch capacitor C18, and the other end of patch capacitor C18 is connected to the ground.3 pin that super sonic receives special chip CX20106A are connected with the positive pole of chemical capacitor C19, and the negative pole of chemical capacitor C19 is connected to the ground.4 pin that super sonic receives special chip CX20106A are connected to the ground.6 pin that super sonic receives special chip CX20106A are connected with one end of patch capacitor C17, and the C17 other end of patch capacitor is connected to the ground.1 pin that one end and the super sonic of super sonic Receiver LS2 receive special chip CX20106A is connected, and the other end is connected to the ground.When super sonic Receiver receive transmit time, just carry out enlarge leadingly, limited range enlargement, bandpass filtering, peak detection by CX20106 and compare, integration and schmidt trigger compare the signal after obtaining demodulation process.Then signal is delivered to P3.2 pin.Because the external interrupt 0 of STC89C52RC micro controller system is effectively low, therefore between CX20106 output pin and P3.2 pin, add negative circuit, the high level that echo is produced is converted into low level, so that trigger external interrupts.
Crystal oscillating circuit as described in Figure 5 comprises 12MHZ crystal oscillator X1 and patch capacitor C7, C8.The two ends of crystal oscillator X1 are connected with one end of patch capacitor C7, C8 respectively, and 1 end of crystal oscillator X1 is connected to micro controller system 19 pin, and 2 ends of crystal oscillator X1 are connected to micro controller system 18 pin, and the other end of patch capacitor C7, C8 is connected to the ground.
Reset circuit as described in Figure 6 comprises power supply VCC, chemical capacitor C9, resistance R1, and the positive pole of chemical capacitor C9 is connected with power supply VCC, and negative pole is connected with micro controller system 9 (RST) pin.Resistance R1 one end is connected to the ground, and the other end is connected with micro controller system 9 (RST) pin.STC89C52 micro controller system has electrification reset and hand reset two kinds of methods.Reset signal is the high level signal of lasting 2 period of state, if reset terminal high level is continued above two period of state, then every 2 period of state reset once.
Power circuit as described in Figure 7 comprises out-put supply VCC, three terminal regulator U2, chemical capacitor C1, C4, patch capacitor C2, C3.1 pin of three terminal regulator U2 is connected with the positive pole of battery, chemical capacitor C1, one end of patch capacitor C2 respectively, and the negative pole of chemical capacitor C1 and the other end of patch capacitor C2 are connected to the ground.2 pin of three terminal regulator U2 are connected to the ground.The 3 pin out-put supply VCC of three terminal regulator U2.The positive pole of chemical capacitor C4 is connected with power supply VCC with one end of patch capacitor C3, and negative pole and the patch capacitor C3 other end of chemical capacitor C4 are connected to the ground.Power circuit external circuits voltage is 12V, adopts LM7085 to be converted into the output voltage of 5V.LM7085 is three proper power supply constant voltage power suspplys, and his packing forms is T0-220.
Distance display circuit as described in Fig. 4 and Fig. 8 comprises actuator/decoder U774ls47,47 segment numeral pipe U6SM41036lk, 4 resistance R19,4 resistance R20.31 pin of micro controller system U1 are connected with power supply VCC, 39 pin are connected with 7 pin of actuator/decoder U7,38 pin of micro controller system U1 are connected with 1 pin of actuator/decoder U7,37 pin of micro controller system U1 are connected with 2 pin of actuator/decoder U7,36 pin of micro controller system U1 are connected with 6 pin of actuator/decoder U7,16 pin of actuator/decoder U7 meet power supply VCC, the 8 pin ground connection of actuator/decoder U7,13,12,11,10,9,15,14 of actuator/decoder U7 is connected with 11,4,4,2,1,10,5 pin of charactron U6 respectively.21 pin of micro controller system U1 export Lock Open signal and are connected to central controlled lock relay, 22 pin export Lock Close signal and connect central controlled lock relay, 23 pin export Lamp signal and are connected to LED display circuit, and 24 pin export Bell signal and are connected to buzzer phone control circuit.25,26,27,28 pin of micro controller system U1 connect 4 resistance R19 respectively, 4 resistance R19 other ends are connected with the base stage of 4 aerotron T5Q2N2222 respectively, the source electrode of 4 aerotron T5Q2N2222 is connected with 4 resistance R20 respectively, emitter ground connection respectively, 6,8,9,12 pin of charactron U6 are connected with 4 resistance R20 respectively, and 4 resistance R20 other ends are connected with power supply VCC respectively.
Conveniently demonstrate the function of these works, adopt the distance of four LED numeral method front vehicle.74LS47 by NOT-AND gate, input buffer and 7 " with-or-non-" BCD-7 segment decoder/actuator [7] that form of door.Normally Low level effective, the high output pouring into electric current can Direct driver telltale.7 NOT-AND gates are connected in pairs with 1 actuator, with produce available BCD data and complement code to 7 thereof " with-or-non-" decoding gate.Remaining NOT-AND gate and 3 input buffers are as " input of examination lamp " LT end, input of turning off the light/dynamically turn off the light output BI/RBO end and input RBI end of dynamically turning off the light.
This circuit accepts 4 binary encoding-decimal digit (BCD) inputs and will remove driving seven-segment display after input data decoding by means of auxiliary input terminals state.The export structure of LS47 is designed to bear the quite high voltage (can bear 15V during maximum reflux 250 μ A) required for 7 sections of displays.Directly can be provided by its performance-oriented output transistor up to the electric current of 24mA needed for each section of driving display.
Central controlled lock relay drive circuit as described in Figure 9 comprises relay drive circuit A and relay drive circuit B.
As illustrated in fig. 9, described relay drive circuit A comprises resistance R13, R14, R15, aerotron T3, patch capacitor C23, and 3 pin of aerotron T3 are connected with one end of resistance R13, and the other end of resistance R13 is connected with battery.3 pin of aerotron T3, one end of patch capacitor C23 are connected with actr.The other end of patch capacitor C23 is connected to the ground.2 pin of aerotron T3 are connected to the ground.1 pin of aerotron T3 is connected with one end of resistance R14, R15 respectively, and the other end of resistance R15 is connected to the ground, and the other end of resistance R14 is connected with micro controller system 21 pin Lock Open signal.
As shown in figure 9b, described relay drive circuit B comprises resistance R16, R17, R18, aerotron T4, patch capacitor C24, and 3 pin of aerotron T4 are connected with one end of resistance R16, and the other end of resistance R16 is connected with battery.3 pin of aerotron T4, be connected with actr with one end of patch capacitor C24, the other end of patch capacitor C24 is connected to the ground.2 pin of aerotron T4 are connected to the ground.1 pin of aerotron T4 is connected with one end of resistance R17, R18 respectively, and the other end of resistance R18 is connected to the ground, and the other end of resistance R17 is connected with micro controller system 22 pin Lock Close signal.
Because micro controller system output voltage is not enough to control control line A and B, therefore adopt pull-up resistor drived control line A and B, when Lock Open is high level, triode ON, Realy O is low level, when Lock Open is low level, aerotron ends, and Realy O is high level; At Lock Close same principle.
LED display as described in Figure 10 and buzzer phone control circuit comprise buzzer phone control circuit and LED display circuit;
Described buzzer phone control circuit comprises aerotron T1, resistance R10, buzzer phone DS2.The source electrode of aerotron T1 is connected with one end of buzzer phone DS2, and the other end of buzzer phone DS2 is connected with power supply VCC.The base stage of aerotron T1 is connected with one end of resistance R10, and the other end of resistance R10 is connected with micro controller system 24 pin Bell signal.The grounded emitter of aerotron T1.
Described LED display circuit comprises power supply VCC, LED DS1, aerotron T2, resistance R11, R12.The source electrode of aerotron T2 is connected with one end of resistance R12, and the other end of resistance R12 is connected with one end of LED DS1, and the other end of LED DS1 is connected with power supply VCC.The base stage of aerotron T2 is connected with one end of resistance R11, and the other end of resistance R11 is connected with micro controller system 23 pin Lamp signal.The emitter of aerotron T2 is connected to the ground.
When micro controller system pin Bell and Lamp exports as high level, aerotron Q2N222 conducting, LED is bright simultaneously, and buzzer phone rings.
See Fig. 1, the working process of this circuit:
1) control module obtains the vehicle speed signal in ECU by CAN, if it is zero that automobile is in the speed of a motor vehicle, whether control module obtains central controlled lock key by LIN bus and closes, if close, illustrate that chaufeur has been locked car door and left vehicle, if open, ultrasonic distance measuring module starts to measure front vehicle distance, and twice spacing that control module is measured by certain hour interval calculates front vehicle speed.In general city, vehicle speed is lower than 60Km/h, according to the relation of the speed of a motor vehicle and braking distance, selects the minimum monitoring range of sensor to be 35m.
2) locked car door and the judgement that gives to point out are divided into two steps: the first step, and the spacing that control module is surveyed according to ultrasonic transduter also calculates the front vehicle speed of a motor vehicle; Second step, carries out safety/danger judging.First according to vehicle speed and safety distance math modeling, when front vehicle spacing is less than safety distance time, actr will locked car door, and the LED that display locking function is opened is bright.
3) when automobile turn under steam beat steering indicating light time, ECU is turned to by steering indicating light signal acquisition automobile, then opens the distance measuring sensor of respective side, is similar to situation when parking, when front vehicle spacing is less than safety distance time, prompting rear has the buzzer phone of car to ring.
Claims (1)
1. an automobile side angle Initiative Defense control circuit, comprises ultrasonic transmit circuit, super sonic acceptor circuit, crystal oscillating circuit, reset circuit, power circuit, distance display circuit, central controlled lock relay drive circuit, LED display and buzzer phone control circuit, micro controller system, is characterized in that:
Described ultrasonic transmit circuit comprises hex inverter 74HCO4, patch capacitor C21, C22, resistance R8, R9, ultrasonic transducer LS1, power supply VCC; 1 pin of phase inverter U5A is connected with micro controller system 1 pin P1.0 mouth, 2 pin of phase inverter U5A are connected with 3 pin of phase inverter U5B, 5 pin of phase inverter U5C are all connected with 4 pin of phase inverter U5B with 9 pin of phase inverter U5D, 6 pin of phase inverter U5C are connected with one end of resistance R8 with 8 pin of phase inverter U5D, and the other end of resistance R8 is connected with power supply VCC; 6 pin of phase inverter U5C are connected with one end of patch capacitor C21 with 8 pin of phase inverter U5D, and the other end of patch capacitor C21 is connected with loud speaker LS1 one end; 2 pin of phase inverter U5A are connected with 13 pin of phase inverter U5F with 11 pin of phase inverter U5E, and 10 pin of phase inverter U5E are connected with one end of resistance R9 with 12 pin of phase inverter U5F, and the other end of resistance R9 is connected with power supply VCC; 10 pin of phase inverter U5E are connected with one end of patch capacitor C22 with 12 pin of phase inverter U5F, and the other end of patch capacitor C22 is connected with the ultrasonic transducer LS1 other end; Described phase inverter U5A, phase inverter U5B, phase inverter U5C, phase inverter U5D, phase inverter U5E, phase inverter U5F form hex inverter 74HCO4, and wherein the model of micro controller system is STC89C52;
Super sonic acceptor circuit comprises super sonic and receives special chip CX20106A, crystal triode T5 2N2222, resistance R5, R6, R7, R18, R19, patch capacitor C17, C18, C20, chemical capacitor C19, power supply VCC, super sonic Receiver LS2; 2 pin of crystal triode T5 are connected to the ground, and 3 pin are connected with resistance R18 one end and micro controller system 12 pin P3.2 mouth, and the resistance R18 other end is connected with power supply VCC; 7 pin one end that super sonic receives special chip CX20106A are connected with resistance R19, and the other end of resistance R19 is connected with 1 pin of crystal triode 2N2222; Super sonic receives special chip CX20106A and is connected with one end of resistance R7, and the other end of resistance R7 is connected with one end of patch capacitor C20, one end of power supply VCC respectively, and the other end of patch capacitor C20 is connected to the ground; 8 pin that super sonic receives special chip CX20106A are connected with power supply VCC; 5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R6, and the other end of resistance R6 is connected with power supply VCC; 5 pin that super sonic receives special chip CX20106A are connected with one end of resistance R5, and the other end of resistance R5 is connected with one end of patch capacitor C18, and the other end of patch capacitor C18 is connected to the ground; 3 pin that super sonic receives special chip CX20106A are connected with the positive pole of chemical capacitor C19, and the negative pole of chemical capacitor C19 is connected to the ground; 4 pin that super sonic receives special chip CX20106A are connected to the ground; 6 pin that super sonic receives special chip CX20106A are connected with one end of patch capacitor C17, and the C17 other end of patch capacitor is connected to the ground; 1 pin that one end and the super sonic of super sonic Receiver LS2 receive special chip CX20106A is connected, and the other end is connected to the ground;
Described crystal oscillating circuit comprises 12MHZ crystal oscillator X1 and patch capacitor C7, C8; The two ends of crystal oscillator X1 are connected with one end of patch capacitor C7, C8 respectively, and 1 end of crystal oscillator X1 is connected to micro controller system 19 pin, and 2 ends of crystal oscillator X1 are connected to micro controller system 18 pin, and the other end of patch capacitor C7, C8 is connected to the ground;
Described reset circuit comprises power supply VCC, chemical capacitor C9, resistance R1, and the positive pole of chemical capacitor C9 is connected with power supply VCC, and negative pole is connected with micro controller system 9 pin; Resistance R1 one end is connected to the ground, and the other end is connected with micro controller system 9 pin;
Described power circuit comprises out-put supply VCC, three terminal regulator U2, chemical capacitor C1, C4, patch capacitor C2, C3; 1 pin of three terminal regulator U2 is connected with the positive pole of battery, chemical capacitor C1, one end of patch capacitor C2 respectively, and the negative pole of chemical capacitor C1 and the other end of patch capacitor C2 are connected to the ground; 2 pin of three terminal regulator U2 are connected to the ground; The 3 pin out-put supply VCC of three terminal regulator U2; The positive pole of chemical capacitor C4 is connected with power supply VCC with one end of patch capacitor C3, and negative pole and the patch capacitor C3 other end of chemical capacitor C4 are connected to the ground;
Described distance display circuit comprises actuator/decoder U7 74ls47,47 segment numeral pipe U6 SM41036lk, 4 resistance R19,4 resistance R20; 31 pin of micro controller system U1 are connected with power supply VCC, 39 pin are connected with 7 pin of actuator/decoder U7,38 pin of micro controller system U1 are connected with 1 pin of actuator/decoder U7,37 pin of micro controller system U1 are connected with 2 pin of actuator/decoder U7,36 pin of micro controller system U1 are connected with 6 pin of actuator/decoder U7,16 pin of actuator/decoder U7 meet power supply VCC, the 8 pin ground connection of actuator/decoder U7,13,12,11,10,9,15,14 of actuator/decoder U7 is connected with 11,4,4,2,1,10,5 pin of charactron U6 respectively; 21 pin of micro controller system U1 export Lock Open signal and are connected to central controlled lock relay, 22 pin export Lock Close signal and connect central controlled lock relay, 23 pin export Lamp signal and are connected to LED display circuit, and 24 pin export Bell signal and are connected to buzzer phone control circuit; 25,26,27,28 pin of micro controller system U1 connect 4 resistance R19 respectively, 4 resistance R19 other ends are connected with the base stage of 4 aerotron T5 Q2N2222 respectively, the source electrode of 4 aerotron T5 Q2N2222 is connected with 4 resistance R20 respectively, emitter ground connection respectively, 6,8,9,12 pin of charactron U6 are connected with 4 resistance R20 respectively, and 4 resistance R20 other ends are connected with power supply VCC respectively;
Described central controlled lock relay drive circuit comprises relay drive circuit A and relay drive circuit B;
Described relay drive circuit A comprises resistance R13, R14, R15, aerotron T3, patch capacitor C23, and 3 pin of aerotron T3 are connected with one end of resistance R13, and the other end of resistance R13 is connected with battery; 3 pin of aerotron T3, one end of patch capacitor C23 are connected with actr; The other end of patch capacitor C23 is connected to the ground; 2 pin of aerotron T3 are connected to the ground; 1 pin of aerotron T3 is connected with one end of resistance R14, R15 respectively, and the other end of resistance R15 is connected to the ground, and the other end of resistance R14 is connected with micro controller system 21 pin Lock Open signal;
Described relay drive circuit B comprises resistance R16, R17, R18, aerotron T4, patch capacitor C24, and 3 pin of aerotron T4 are connected with one end of resistance R16, and the other end of resistance R16 is connected with battery; 3 pin of aerotron T4, be connected with actr with one end of patch capacitor C24, the other end of patch capacitor C24 is connected to the ground; 2 pin of aerotron T4 are connected to the ground; 1 pin of aerotron T4 is connected with one end of resistance R17, R18 respectively, and the other end of resistance R18 is connected to the ground, and the other end of resistance R17 is connected with micro controller system 22 pin Lock Close signal;
Described LED display and buzzer phone control circuit comprise buzzer phone control circuit and LED display circuit;
Described buzzer phone control circuit comprises aerotron T1, resistance R10, buzzer phone DS2; The source electrode of aerotron T1 is connected with one end of buzzer phone DS2, and the other end of buzzer phone DS2 is connected with power supply VCC; The base stage of aerotron T1 is connected with one end of resistance R10, and the other end of resistance R10 is connected with micro controller system 24 pin Bell signal; The grounded emitter of aerotron T1;
Described LED display circuit comprises power supply VCC, LED DS1, aerotron T2, resistance R11, R12; The source electrode of aerotron T2 is connected with one end of resistance R12, and the other end of resistance R12 is connected with one end of LED DS1, and the other end of LED DS1 is connected with power supply VCC; The base stage of aerotron T2 is connected with one end of resistance R11, and the other end of resistance R11 is connected with micro controller system 23 pin Lamp signal; The emitter of aerotron T2 is connected to the ground.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561164.7U CN204136905U (en) | 2014-09-26 | 2014-09-26 | A kind of automobile side angle Initiative Defense control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420561164.7U CN204136905U (en) | 2014-09-26 | 2014-09-26 | A kind of automobile side angle Initiative Defense control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494354A (en) * | 2016-09-27 | 2017-03-15 | 浙江大学 | Automobile door opening safeguard method and device |
| CN106597454A (en) * | 2016-12-01 | 2017-04-26 | 中国人民解放军镇江船艇学院 | Ultrasonic ship collision avoidance distance measuring circuit |
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2014
- 2014-09-26 CN CN201420561164.7U patent/CN204136905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494354A (en) * | 2016-09-27 | 2017-03-15 | 浙江大学 | Automobile door opening safeguard method and device |
| CN106597454A (en) * | 2016-12-01 | 2017-04-26 | 中国人民解放军镇江船艇学院 | Ultrasonic ship collision avoidance distance measuring circuit |
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