CN205186018U - Park and detecting system of two unifications of blind area - Google Patents
Park and detecting system of two unifications of blind area Download PDFInfo
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- CN205186018U CN205186018U CN201520672325.4U CN201520672325U CN205186018U CN 205186018 U CN205186018 U CN 205186018U CN 201520672325 U CN201520672325 U CN 201520672325U CN 205186018 U CN205186018 U CN 205186018U
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Abstract
The utility model discloses a park and detecting system of two unifications of blind area acts as the sensor of parking through setting up multiplexing sensor and making under the multiplexing sensor car test survey mode on the berth, act as the lane change sensor under lane change blind area detection mode. The utility model discloses the detection distance who detects with lane change based on parking is different, controls the wavelength of multiplexing sensor transmission through main control unit, reaches to adapt to not the different purpose of detection distance under the common mode, still can save installation space, saving cost simultaneously.
Description
[technical field]
The utility model relates to automotive field, is specifically related to a kind of checking system two-in-one with blind area of parking.
[background technology]
Along with the continuous expansion of automotive market, user vehicle gets more and more, and the pressure of traffic also increases further, and thing followed traffic safety problem is also more and more paid attention to by vast social groups.When vehicle park or lane change time, traditional approach depends on back mirror and individual's subjectivity carrys out judging distance and whether rear has vehicle close, but due to the limited view of back mirror, cause some special angles cannot see in back mirror, be referred to as blind area, this situation may cause the generation of safety misadventure.
So intelligent automobile electronic equipment arises at the historic moment, in the prior art, the optimum detection distance of detecting sensor of parking is between 0.1 meter to 5 meters, the optimum detection distance of lane change blind area detecting sensor between 1 meter to 30 meters, although occur simultaneously to some extent between the two, when parking, in order to accurately, the less effect of detecting distance is better, same, when lane change, need to give driver the time of reaction, detecting distance should be too not little.Due to the restriction of this detecting distance, detecting sensor of parking and lane change blind area detecting sensor are all that difference is arranged, and cannot have park detection and the detection of lane change blind area simultaneously.In addition, the installation position around vehicle body is also very limited, cannot install too much detecting sensor.
[utility model content]
An object of the present utility model is to provide a kind of checking system two-in-one with blind area of parking, and can effectively reduce checking system number of sensors, reduce costs, reduce installation difficulty, reduces the mutual interference between distinct device sensor simultaneously.The technical scheme realizing above-mentioned purpose is as follows:
A kind of checking system two-in-one with blind area of parking, it is characterized in that, comprising: master controller, velocity measuring module, left steering detection module, right steering detection module, reversing detection module, alarm module, sensor of parking, lane change sensor and multiplied sensor; Velocity measuring module, left steering detection module, right steering detection module, reversing detection module acquisition of signal end separately connect automobile bus, and respective signal output part connects the corresponding state signal input terminal of master controller; The signal input part of alarm module connects the alarm signal mouth of master controller; Lane change sensor, sensor of parking, multiplied sensor communicate to connect with master controller respectively, lane change sensor setting in the left side of vehicle body and or right side, park sensor setting in tail of body, multiplied sensor is arranged at vehicle right and left relief angle, and multiplied sensor works in the pattern of parking and lane change detecting pattern with switching.
The checking system that what the utility model provided park and blind area is two-in-one, by arranging multiplied sensor and serving as sensor of parking under making multiplied sensor car detecting pattern on the berth, serves as lane change sensor under the detecting pattern of lane change blind area.The utility model is different based on the detecting distance of parking with lane change detects, and is controlled the wavelength that multiplied sensor is launched by master controller, reaches the different object of detecting distance under adaptation different mode, also can save installing space, cost-saving simultaneously.
[accompanying drawing explanation]
The formation block diagram of the checking system two-in-one with blind area of parking that Fig. 1 provides for the utility model embodiment.
The schematic diagram of various kinds of sensors installation site on vehicle that Fig. 2 provides for the utility model embodiment.
The circuit diagram of master controller in the checking system that Fig. 3 provides for the utility model embodiment.
The circuit diagram of sensor communication circuit in the checking system that Fig. 4 provides for the utility model embodiment.
The circuit diagram of multiplied sensor in the checking system that Fig. 5 provides for the utility model embodiment.
The circuit diagram of each vehicle-state detection module in the checking system that Fig. 6 provides for the utility model embodiment.
The circuit diagram of alarm module in the checking system that Fig. 7 provides for the utility model embodiment.
[detailed description of the invention]
As shown in Figure 1, the checking system that what the present embodiment provided park and blind area is two-in-one comprises: master controller, velocity measuring module, left steering detection module, right steering detection module, reversing detection module, brake detection module, alarm module, sensor of parking, lane change sensor and multiplied sensor.
Wherein, velocity measuring module is for detecting vehicle present speed and velocity amplitude signal being supplied to master controller; Left steering detection module and right steering detection module are for detecting left and right steering operation and turn sign being supplied to master controller; Reversing detection module is for detecting car backing operation and astern signal being supplied to master controller; Brake detection module is for detecting brake operation and brake signal being supplied to master controller.
Velocity measuring module, left steering detection module, right steering detection module, reversing detection module and brake detection module acquisition of signal end separately connect automobile bus, and respective signal output part connects the corresponding state signal input terminal of master controller.The signal input part of alarm module connects the alarm signal mouth of master controller, and alarm module generates and the control signal exported for receiving master controller, sends alarm signal in the mode such as sound or light.Lane change sensor, sensor of parking, multiplied sensor communicate to connect with master controller respectively.
Shown in composition graphs 2, in the present embodiment, lane change sensor 21 is arranged at left side and the right side of vehicle body, is exclusively used on the left of detection vehicle body and the object on right side.Sensor 22 of parking is arranged at tail of body, is exclusively used in the object at probe vehicles rear; Certainly, also can sensor of parking be set at vehicle body head, for the object in probe vehicles front.Multiplied sensor 25 is arranged at Automobile Right relief angle and left rear corner, for detecting the object at rear and rear, left side on the right side of vehicle body, can work in the pattern of parking and lane change detecting pattern with switching; Certainly, Automobile Right anterior angle and left-front corner also can arrange multiplied sensor, for detecting the object in front and front, left side on the right side of vehicle body.
As shown in Figure 3, master controller adopts the MC9S12GN32 chip of Freescale (Freescale).MC9S12GN32 chip has 48 PIN (pin), provides multiple I/O mouth, can as the order output terminal be connected with above-mentioned each sensor and sensing signal receiving end.
Above-mentioned each sensor is connected with master controller respectively by a sensor communication circuit, and for a sensor, the annexation between itself and master controller is described below, other sensors in like manner.Shown in composition graphs 3 and Fig. 4, PIN8 with PIN34 of MC9S12GN32 chip is connected with sensor by a sensor communication circuit, and this sensor communication circuit is made up of the first resistance Rr7, the second resistance Rr8, the 3rd resistance Rr9, the 4th resistance Rr10, the 5th resistance Rr11, the 6th resistance Rr12, aerotron Q5A, the first electric capacity Cr4, the second electric capacity Cr5, the 3rd electric capacity Cr6; Wherein, first resistance Rr7 one end connects the instruction output end PIN8 of MC9S12GN32 chip, the base stage of other end connecting triode Q5A; Between the base stage that second resistance Rr8 is connected to aerotron Q5A and ground; The collecting electrode of aerotron Q5A connects the 3rd resistance Rr9 one end, the 3rd resistance Rr9 other end connects the 6th resistance Rr12 one end, 6th resistance Rr12 one end is sensor coupling end (in Fig. 4 R_RR_sencor end), be connected with the communication ends of sensor, send the signal of instruction or receiving sensor feedback to sensor, this sensor coupling end is by the 3rd electric capacity Cr6 ground connection; The node of the 3rd resistance Rr9 and the 6th resistance Rr12 is by the 5th resistance Rr11 and the first electric capacity Cr4 ground connection, and the node of the 5th resistance Rr11 and the first electric capacity Cr4 passes through the emitter of the 4th resistance Rr10 connecting triode Q5A, the grounded emitter of aerotron Q5A; The signal of sensor feedback, for being connected the acquisition of signal end PIN34 of MC9S12GN32 chip, is supplied to MC9S12GN32 chip by the node (in Fig. 4, R_HR_IN holds) of the 5th resistance Rr11 and the first electric capacity Cr4.
As shown in Figure 5, the multiplied sensor that the present embodiment provides is the controlled ultrasonic transduter of emission wavelength, and its control chip is the E524.03 chip of ELMOS, the communication ends of E524.03 chip and master controller communication.Particularly, the communication ends (PIN10) of E524.03 chip connects the sensor coupling end (see R_RR_sencor end in Fig. 4) of the sensor communication circuit.E524.03 chip is in receiving condition at ordinary times to receive the instruction of autonomous controller, automatically transfers transmission state to output detections result, detected and again recover receiving condition after 36ms after receiving " distance detects " order.PIN6, PIN8 of E524.03 chip are for exporting the electric pulse of 40K ~ 60K, electric pulse boosts rear drive piezoelectric ceramic piece (in Fig. 5 " sensing head ") vibration to send super sonic through step-up device L1, the PIN2 that hypracoustic backward wave drives the electric signal that generates after piezoelectric ceramic piece then to deliver to E524.03 chip by C2, C10, R3 carries out amplifying, filtering, detection, testing result gives master controller by the PIN10 of E524.03 chip.
The benefit of above-mentioned multiplied sensor is, can be controlled by the wavelength of master controller to this sensor emission, under this sensor can being worked in park detection and lane change to detect two patterns.In general, vehicle, when lane change, is often in speed of a motor vehicle state faster, and operation is relatively more unexpected, so require that the sensor being used for lane change detection needs to have larger investigative range, for sensing vehicle slightly at a distance; And vehicle is when parking, be in low speed, and parking position is often also smaller, so requirement is parked, the scope of detection is less, avoids like this detecting long-distance barrier thing and causing unnecessary interference.In the present embodiment, described in detection mode of parking refer to that this working sensor is in relatively little investigative range, being generally radius on sensor detection direction is the sector region of 0m ~ 1.6m; The described lane change of multiplied sensor detects two patterns and refers to that this working sensor is in relatively little investigative range, and being generally radius on sensor detection direction is the sector region of 0m ~ 5m.
In addition, the lane change sensor in the present embodiment, sensor of parking can adopt and construct identical sensor with described multiplied sensor, also can adopt traditional ordinary sensors.The radius that effective detecting distance of traditional sensor of parking is fixed as sensor detection direction is the sector region of 0m ~ 1.6m; The radius that effective detecting distance of traditional lane change sensor is fixed as sensor detection direction is the sector region of 0m ~ 5m.
As shown in Figure 6, velocity measuring module is made up of diode Do1, the first resistance Ro1, the second resistance Ro2, the 3rd resistance Ro3, the 4th resistance Ro4, aerotron Qo1, the first electric capacity Co1, the second electric capacity Co2, the 3rd electric capacity Co3.Wherein, diode Do1 positive pole is from picking rate signal automobile bus, and negative pole passes through the first resistance Ro1 of series connection and the base stage of the 3rd resistance Ro3 connecting triode Qo1; The collecting electrode of aerotron Qo1 connects+5V power supply, and emitter connects the speed signal collection terminal (as PIN15 in Fig. 3) of MC9S12GN32 chip; Diode Do1 and the first resistance Ro1 is by the first electric capacity Co1 ground connection, the node of the first resistance Ro1 and the 3rd resistance Ro3 is by the second resistance Ro2 ground connection, the node of the 3rd resistance Ro3 and aerotron Qo1 base stage by the second electric capacity Co2 ground connection, by the grounded emitter of aerotron Qo1 after the 4th resistance Ro4 and the 3rd electric capacity Co3 parallel connection.
Above describe velocity measuring module circuit structure and and master controller between annexation, in addition, the described left and right circuit structure of detection module, reversing detection module, brake detection module that turns to is identical with above-mentioned velocity measuring module, left steering modulating signal, right steering signal, astern signal, brake signal is gathered respectively from automobile bus, and being supplied to the corresponding collection terminal (PIN46, PIN47, PIN48, PIN43 as in Fig. 3) of master controller respectively, particular content repeats herein no longer one by one.
As shown in Figure 7, alarm module is made up of the first resistance R81, the second resistance R60, the 3rd resistance R83, the 4th resistance R84, the 5th resistance R52, the 6th resistance R66, the 7th resistance R70, the first aerotron Q9A, the second aerotron Q9B, the 3rd aerotron Q10, the first electric capacity C53, K switch 1 and rattler.Wherein, the warning control signal mouth (as PIN14 in Fig. 3, continuing output pwm signal) of the first resistance R81 mono-termination MC9S12GN32 chip, the other end connects the base stage of the second aerotron Q9B; The grounded emitter of the second aerotron Q9B, collecting electrode connects the base stage of the 3rd aerotron Q10 by the second resistance R60; The emitter of the 3rd aerotron Q10 is by the 7th resistance R70 ground connection, and the emitter of the 3rd aerotron Q10 is also by the 6th resistance R66 and K switch 1 ground connection; Collecting electrode connects one end of rattler, and the other end of rattler meets rattler power supply Buzzer-power, and the two ends of rattler also meet the 5th resistance R52; The alarm signal mouth (as PIN42 in Fig. 3, exporting the break-make control signal of the pwm signal that control PIN14 exports) of the 3rd resistance R83 mono-termination MC9S12GN32 chip, the other end connects the base stage of the first aerotron Q9A; The emitter of the first aerotron Q9A connects+5V power supply, and collecting electrode connects the collecting electrode of the second aerotron Q9B by the 4th resistance R84, and the node of the 4th resistance R84 and the second aerotron Q9B is by the first electric capacity C53 ground connection.
Based on the above-mentioned checking system two-in-one with blind area of parking, the present embodiment also provides a kind of method of inspection two-in-one with blind area of parking, and comprises the following steps:
(1) signal of the real-time detection speed detection module of master controller, left steering lamp detection module, right steering lamp detection module, the collection of reversing detection module;
(2) when master controller detects astern signal or speed of a motor vehicle S < 10km/h, then step (3A) is entered; When master controller detects that advance speed of a motor vehicle S is 10km/h≤S≤30km/h, then enter step (3B); When master controller detects left and right turn signal or advance speed of a motor vehicle S >=30km/h, then enter step (3C);
(3A) master controller triggers park sensor and multiplied sensor and works in detecting pattern of parking, and the sensing signal of real-time reception sensor feedback;
(3B) readiness for action is entered;
(3C) master controller triggering lane change sensor and multiplied sensor work in lane change detecting pattern, and the sensing signal of real-time reception sensor feedback;
(4) if master controller receives the sensing signal of sensor feedback, then generate warning control signal and enter step (5), otherwise returning step (1);
(5) alarm module generates alarm signal according to described warning control signal.
In above-mentioned steps, described 10km/h just as boundary's point of the speed of a motor vehicle low in the present embodiment, is understandable that, boundary's point of the low speed of a motor vehicle also can adjust in proper range, such as, be set to 8km/h or 10.5km/h.In like manner, described 30km/h just as boundary's point of the speed of a motor vehicle medium in the present embodiment, is understandable that, boundary's point of the medium speed of a motor vehicle also can adjust in proper range, such as, be set to 28km/h or 35km/h.
The utility model is not limited to above-described embodiment, based on above-described embodiment, the simple replacement not making creative work, should belong to the scope that the utility model discloses.
Claims (6)
1. a checking system two-in-one with blind area of parking, it is characterized in that, comprising: master controller, velocity measuring module, left steering detection module, right steering detection module, reversing detection module, alarm module, sensor of parking, lane change sensor and multiplied sensor; Velocity measuring module, left steering detection module, right steering detection module, reversing detection module acquisition of signal end separately connect automobile bus, and respective signal output part connects the corresponding state signal input terminal of master controller; The signal input part of alarm module connects the alarm signal mouth of master controller; Lane change sensor, sensor of parking, multiplied sensor communicate to connect with master controller respectively, lane change sensor setting in the left side of vehicle body and or right side, park sensor setting in tail of body, multiplied sensor is arranged at vehicle right and left relief angle, and multiplied sensor works in the pattern of parking and lane change detecting pattern with switching.
2. park as claimed in claim 1 and the two-in-one checking system in blind area, it is characterized in that: described master controller adopts the MC9S12GN32 chip of Freescale.
3. park as claimed in claim 2 and the two-in-one checking system in blind area, it is characterized in that: described lane change sensor, sensor of parking, multiplied sensor are connected with master controller respectively by a sensor communication circuit, this sensor communication circuit is made up of the first resistance Rr7, the second resistance Rr8, the 3rd resistance Rr9, the 4th resistance Rr10, the 5th resistance Rr11, the 6th resistance Rr12, aerotron Q5A, the first electric capacity Cr4, the second electric capacity Cr5, the 3rd electric capacity Cr6; First resistance Rr7 one end connects the instruction output end PIN8 of MC9S12GN32 chip, the base stage of other end connecting triode Q5A; Between the base stage that second resistance Rr8 is connected to aerotron Q5A and ground; The collecting electrode of aerotron Q5A connects the 3rd resistance Rr9 one end, and the 3rd resistance Rr9 other end connects the 6th resistance Rr12 one end; 6th resistance Rr12 one end is sensor coupling end, is connected with the communication ends of sensor, sends the signal of instruction or receiving sensor feedback to sensor, and this sensor coupling end is by the 3rd electric capacity Cr6 ground connection; The node of the 3rd resistance Rr9 and the 6th resistance Rr12 is by the 5th resistance Rr11 and the first electric capacity Cr4 ground connection, and the node of the 5th resistance Rr11 and the first electric capacity Cr4 passes through the emitter of the 4th resistance Rr10 connecting triode Q5A, the grounded emitter of aerotron Q5A; The signal of sensor feedback, for being connected the acquisition of signal end PIN34 of MC9S12GN32 chip, is supplied to MC9S12GN32 chip by the node of the 5th resistance Rr11 and the first electric capacity Cr4.
4. park as claimed in claim 3 and the two-in-one checking system in blind area, it is characterized in that: described multiplied sensor is the controlled ultrasonic transduter of emission wavelength, and its control chip is the E524.03 chip of ELMOS.
5. park as claimed in claim 1 and the two-in-one checking system in blind area, it is characterized in that: described velocity measuring module, left steering detection module, right steering detection module, reversing detection module all adopt following circuit structure: be made up of diode Do1, the first resistance Ro1, the second resistance Ro2, the 3rd resistance Ro3, the 4th resistance Ro4, aerotron Qo1, the first electric capacity Co1, the second electric capacity Co2, the 3rd electric capacity Co3; Diode Do1 positive pole is from the corresponding signal of picking rate, left steering, right steering, reversing automobile bus, and negative pole passes through the first resistance Ro1 of series connection and the base stage of the 3rd resistance Ro3 connecting triode Qo1; The collecting electrode of aerotron Qo1 connects power supply, and emitter connects the corresponding signal collection terminal of MC9S12GN32 chip; Diode Do1 and the first resistance Ro1 is by the first electric capacity Co1 ground connection, the node of the first resistance Ro1 and the 3rd resistance Ro3 is by the second resistance Ro2 ground connection, the node of the 3rd resistance Ro3 and aerotron Qo1 base stage by the second electric capacity Co2 ground connection, by the grounded emitter of aerotron Qo1 after the 4th resistance Ro4 and the 3rd electric capacity Co3 parallel connection.
6. park as claimed in claim 1 and the two-in-one checking system in blind area, it is characterized in that: described alarm module is made up of the first resistance R81, the second resistance R60, the 3rd resistance R83, the 4th resistance R84, the 5th resistance R52, the 6th resistance R66, the 7th resistance R70, the first aerotron Q9A, the second aerotron Q9B, the 3rd aerotron Q10, the first electric capacity C53, K switch 1 and rattler; The warning control signal mouth of the first resistance R81 mono-termination MC9S12GN32 chip, the other end connects the base stage of the second aerotron Q9B; The grounded emitter of the second aerotron Q9B, collecting electrode connects the base stage of the 3rd aerotron Q10 by the second resistance R60; The emitter of the 3rd aerotron Q10 is by the 7th resistance R70 ground connection, and the emitter of the 3rd aerotron Q10 is also by the 6th resistance R66 and K switch 1 ground connection; Collecting electrode connects one end of rattler, and the other end of rattler meets rattler power supply Buzzer-power, and the two ends of rattler also meet the 5th resistance R52; The alarm signal mouth of the 3rd resistance R83 mono-termination MC9S12GN32 chip, the other end connects the base stage of the first aerotron Q9A; The emitter of the first aerotron Q9A connects+5V power supply, and collecting electrode connects the collecting electrode of the second aerotron Q9B by the 4th resistance R84, and the node of the 4th resistance R84 and the second aerotron Q9B is by the first electric capacity C53 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520672325.4U CN205186018U (en) | 2015-08-31 | 2015-08-31 | Park and detecting system of two unifications of blind area |
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| CN201520672325.4U CN205186018U (en) | 2015-08-31 | 2015-08-31 | Park and detecting system of two unifications of blind area |
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| CN205186018U true CN205186018U (en) | 2016-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365694A (en) * | 2015-08-31 | 2016-03-02 | 珠海上富电技股份有限公司 | Parking and dead zone integrated detecting system and method |
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- 2015-08-31 CN CN201520672325.4U patent/CN205186018U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365694A (en) * | 2015-08-31 | 2016-03-02 | 珠海上富电技股份有限公司 | Parking and dead zone integrated detecting system and method |
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Granted publication date: 20160427 Effective date of abandoning: 20181102 |