CN204279230U - A kind of opening door of vehicle prior-warning device - Google Patents
A kind of opening door of vehicle prior-warning device Download PDFInfo
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- CN204279230U CN204279230U CN201420763744.4U CN201420763744U CN204279230U CN 204279230 U CN204279230 U CN 204279230U CN 201420763744 U CN201420763744 U CN 201420763744U CN 204279230 U CN204279230 U CN 204279230U
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- ultrasonic distance
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Abstract
The utility model discloses a kind of opening door of vehicle prior-warning device, it comprises: micro controller system, at least two ultrasonic distance-measuring sensors, at least one buzzer phone and LED, wherein at least one ultrasonic distance-measuring sensor is arranged on outside left-hand door, and at least one ultrasonic distance-measuring sensor is arranged on right door outside; Described buzzer phone is arranged in car, and described LED is arranged on tailstock outside; And described ultrasonic distance-measuring sensor is all connected with the input end of micro controller system, described buzzer phone and LED are all connected with the mouth of micro controller system.The utility model can know whether the distance between car door and door outside obstacle belongs to safety distance, thus can realize giving security warning to the operation of getting off of opening the door of chaufeur in car and passenger, the safety that improve driving and stop; In addition, it is low that the utility model also has use cost, the advantage such as conveniently to apply, have significance using value.
Description
Technical field
The utility model relates to a kind of opening door of vehicle prior-warning device, belongs to technical field of vehicle safety.
Background technology
In crowded city, the height of the density of automobile, self-propelled vehicle is beyond imagination far away, and the occurrence frequency of traffic accident is also therefore very high.Due to the car on road enough, no matter so be that self-propelled vehicle or motorist are when driving, the vehicle concentrated on road in traveling more, and the vehicle being parked in roadside can not be noticed, therefore appreciiable traffic accident is had, be mostly because the steerman of curb parking or passenger first do not notice back car when opening the door, or whether automobile, vehicle driver are negligent of noticing the vehicle being parked in roadside under steam and are about to opening car door and cause.
Except a surname leads steerman or passenger should after vehicle is in order except the idea will adding before opening car door to notice in the media, prior art installs a Warning light additional at the tailstock place of automobile and self-propelled vehicle, when passenger inside the vehicle or steerman are for door opening, Warning light can flash to remind back car to note.
But cause these to occur unexpectedly, its responsibility non-fully are returned and are studied carefully back car steerman, steerman or the passenger of wish door opening also must pay close attention to, as long as but not merely think that dependence preceding method reminds back car, the random opening car door with regard to noting completely.
But, no matter be on ordinary days careful steerman or passenger, always can neglect in hastily and notice little details, therefore, current vehicle is only provided to the function of parking flashing light, be not sufficient to ensure in car when getting off or the safety of the outer personnel of car, therefore, research and develop a kind of device to carrying out early warning before vehicle after a stoppage opening car door and seem very necessary.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of opening door of vehicle prior-warning device, to reduce the unexpected traffic accident caused because of car door opening carelessness.
For realizing above-mentioned utility model object, the utility model adopts following technical scheme:
A kind of opening door of vehicle prior-warning device, comprise: micro controller system, at least two ultrasonic distance-measuring sensors, at least one buzzer phone and LED, wherein at least one ultrasonic distance-measuring sensor is arranged on outside left-hand door, and at least one ultrasonic distance-measuring sensor is arranged on right door outside; Described buzzer phone is arranged in car, and described LED is arranged on tailstock outside; And described ultrasonic distance-measuring sensor is all connected with the input end of micro controller system, described buzzer phone and LED are all connected with the mouth of micro controller system.
Preferably, also comprise temperature sensor, described temperature sensor is arranged on car body outside, and is connected with the input end of micro controller system.
As further preferred version, described temperature sensor selects the one-line digital temperature sensor of DS18B20.
Preferably, described micro controller system is embedded in the controller of automobile or self-propelled vehicle.
As further preferred version, described micro controller system selects STC12C5A60S2 type micro controller system.
Preferably, a buzzer phone is all independently set in the inner side of each car door.
Preferably, a ultrasonic distance-measuring sensor is all independently set in the outside of each car door.
As further preferred version, described ultrasonic distance-measuring sensor all selects m314076 type ultrasonic distance-measuring sensor.
Because ultrasonic ranging principle launches super sonic by ultrasonic transmitter to a direction, timing is started while x time, encounter obstacle when super sonic is propagated in atmosphere just to return immediately, ultrasonic receiver receives backward wave and just stops timing immediately.The aerial propagation speed of super sonic is v, and according to timer record measure transmitting and receiving echo time difference △ t, just can calculate launch point distance obstacle distance S, that is:
S＝v·△t/2
So-called time difference telemetry that Here it is.
Micro controller system can calculate the distance of car door and the outer obstacle of car door according to the impulse singla of the ultrasonic distance-measuring sensor input being arranged on door outside, during safety distance threshold values when the distance value calculated exceeds closing of the door, micro controller system will output signal to buzzer phone, and in alarm car, chaufeur and passenger note the obstacle of door outside; In addition, when occupant needs opening car door, micro controller system will output signal to the LED of tailstock outside, to warn the vehicle at rear; Micro controller system calculates the distance of car door and the outer obstacle of car door in real time according to the impulse singla of the ultrasonic distance-measuring sensor input being arranged on door outside simultaneously, during safety distance threshold values when the distance value calculated exceeds car door opening, micro controller system will output signal to buzzer phone, note the obstacle of door outside when chaufeur and passenger are got off in alarm car.
Compared with prior art, the utility model has following beneficial effect:
The utility model is by installing ultrasonic distance-measuring sensor respectively at left and right door outside, can know whether the distance between car door and door outside obstacle belongs to safety distance, thus realize giving security warning to the operation of getting off of opening the door of chaufeur in car and passenger, the safety that improve driving and stop; In addition, it is low that the utility model also has use cost, the advantage such as conveniently to apply, have significance using value.
Accompanying drawing explanation
The schematic block circuit diagram of a kind of opening door of vehicle prior-warning device that Fig. 1 provides for the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, set forth the utility model further.
Embodiment
As shown in Figure 1: a kind of opening door of vehicle prior-warning device that the utility model provides, comprise: micro controller system 1, at least two ultrasonic distance-measuring sensors 2, at least one buzzer phone 3 and LED 4, wherein at least one ultrasonic distance-measuring sensor 2 is arranged on outside left-hand door, and at least one ultrasonic distance-measuring sensor 2 is arranged on right door outside; Described buzzer phone 3 is arranged in car, and described LED 4 is arranged on tailstock outside; And described ultrasonic distance-measuring sensor 2 is all connected with the input end of micro controller system 1, described buzzer phone 3 is all connected with the mouth of micro controller system 1 with LED 4.
Because ultrasonic ranging principle launches super sonic by ultrasonic transmitter to a direction, timing is started while x time, encounter obstacle when super sonic is propagated in atmosphere just to return immediately, ultrasonic receiver receives backward wave and just stops timing immediately.The aerial propagation speed of super sonic is v, and according to timer record measure transmitting and receiving echo time difference △ t, just can calculate launch point distance obstacle distance S, that is:
S＝v·△t/2
So-called time difference telemetry that Here it is.
Because super sonic is also a kind of sound wave, its velocity of sound C is relevant with temperature, in use, if temperature traverse is little, then can think that the velocity of sound is substantially constant.Under normal temperature, hypracoustic propagation speed is 334 meter per seconds, but its propagation speed V is subject to the impact of the factors such as temperature in air, humidity, pressure, and the impact wherein by temperature is comparatively large, as temperature often raises 1 DEG C, and velocity of sound increase about 0.6 meter per second.That is:, when known site environment temperature is T, the computing formula of ultrasonic propagation velocity V is:
V＝331.45+0.607T。
Therefore, in order to ensure range accuracy, opening door of vehicle prior-warning device described in the utility model, also comprise temperature sensor 5, described temperature sensor 5 is arranged on car body outside, and be connected with the input end of micro controller system 1, to be corrected the impact of ambient temperature on precision of ultrasonic ranging by temperature compensation.
Preferably, described micro controller system 1 is embedded in the controller of automobile or self-propelled vehicle, in order to avoid affect attractive in appearance.Described micro controller system selects STC12C5A60S2 type micro controller system, because of the micro controller system that this model micro controller system is single clock/machine cycle (1T) that STC produces, high speed, low-power consumption, superpower jamproof 8051 micro controller systems of new generation, the completely compatible tradition 8051 of command code, but the fast 8-12 of speed is doubly; Inside is integrated with MAX810 Special reset circuit, 2 road PWM, 8 road 10-bit high speed A/D change, and is applicable to strong jamming occasion.
Preferably, a buzzer phone 3 is all independently set in the inner side of each car door, a ultrasonic distance-measuring sensor 2 is all independently set in the outside of each car door, to realize the independent early warning to each car door.
Preferably, described ultrasonic distance-measuring sensor 2 all selects m314076 type ultrasonic distance-measuring sensor, the advantages such as the ultrasonic distance-measuring sensor because of this model has low-angle, little blind area, measures accurately, no touch, waterproof, corrosion prevention, low cost.
Preferably, described temperature sensor 5 selects the one-line digital temperature sensor of DS18B20, and the temperature sensor because of this model is the one-line digital temperature sensor that DALLAS company produces, and has 3 pin TO-92 small size packing forms; Temperature measurement range is-55 DEG C ~+125 DEG C, and be programmed for 9 ~ 12 A/D conversion accuracies, thermometric resolution can reach 0.0625 DEG C; Its working power both can be introduced at far-end, and parasite power mode also can be adopted to produce; Be highly suitable for remote multi-point temp to detect.
Principle of work of the present utility model is as follows:
Micro controller system 1 can calculate the distance of car door and the outer obstacle of car door according to the impulse singla that the ultrasonic distance-measuring sensor 2 being arranged on door outside inputs, during safety distance threshold values when the distance value calculated exceeds closing of the door, micro controller system 1 will output signal to buzzer phone 3, and in alarm car, chaufeur and passenger note the obstacle of door outside; In addition, when occupant needs opening car door, micro controller system 1 will output signal to the LED 4 of tailstock outside, to warn the vehicle at rear; Micro controller system 1 calculates the distance of car door and the outer obstacle of car door in real time according to the impulse singla that the ultrasonic distance-measuring sensor 2 being arranged on door outside inputs simultaneously, during safety distance threshold values when the distance value calculated exceeds car door opening, micro controller system 1 will output signal to buzzer phone 3, note the obstacle of door outside when chaufeur and passenger are got off in alarm car.
Visible in sum: the utility model is by installing ultrasonic distance-measuring sensor respectively at left and right door outside, can know whether the distance between car door and door outside obstacle belongs to safety distance, thus realize giving security warning to the operation of getting off of opening the door of chaufeur in car and passenger, the safety that improve driving and stop; In addition, it is low that the utility model also has use cost, the advantage such as conveniently to apply, have significance using value.
Finally be necessary described herein: above embodiment is only for being described in more detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection domain, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection domain of the present utility model.
Claims (8)
1. an opening door of vehicle prior-warning device, it is characterized in that, comprise: micro controller system, at least two ultrasonic distance-measuring sensors, at least one buzzer phone and LED, wherein at least one ultrasonic distance-measuring sensor is arranged on outside left-hand door, and at least one ultrasonic distance-measuring sensor is arranged on right door outside; Described buzzer phone is arranged in car, and described LED is arranged on tailstock outside; And described ultrasonic distance-measuring sensor is all connected with the input end of micro controller system, described buzzer phone and LED are all connected with the mouth of micro controller system.
2. opening door of vehicle prior-warning device as claimed in claim 1, it is characterized in that: also comprise temperature sensor, described temperature sensor is arranged on car body outside, and is connected with the input end of micro controller system.
3. opening door of vehicle prior-warning device as claimed in claim 2, is characterized in that: described temperature sensor selects the one-line digital temperature sensor of DS18B20.
4. opening door of vehicle prior-warning device as claimed in claim 1 or 2, is characterized in that: described micro controller system is embedded in the controller of automobile or self-propelled vehicle.
5. opening door of vehicle prior-warning device as claimed in claim 4, is characterized in that: described micro controller system selects STC12C5A60S2 type micro controller system.
6. opening door of vehicle prior-warning device as claimed in claim 1, is characterized in that: all independently arrange a buzzer phone in the inner side of each car door.
7. the opening door of vehicle prior-warning device as described in claim 1 or 6, is characterized in that: all independently arrange a ultrasonic distance-measuring sensor in the outside of each car door.
8. opening door of vehicle prior-warning device as claimed in claim 7, is characterized in that: described ultrasonic distance-measuring sensor all selects m314076 type ultrasonic distance-measuring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763744.4U CN204279230U (en) | 2014-12-08 | 2014-12-08 | A kind of opening door of vehicle prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420763744.4U CN204279230U (en) | 2014-12-08 | 2014-12-08 | A kind of opening door of vehicle prior-warning device |
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| CN204279230U true CN204279230U (en) | 2015-04-22 |
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| CN201420763744.4U Expired - Fee Related CN204279230U (en) | 2014-12-08 | 2014-12-08 | A kind of opening door of vehicle prior-warning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290749A (en) * | 2017-06-16 | 2017-10-24 | 东华大学 | A kind of SCM Based ultrasonic ranging system |
| CN108032801A (en) * | 2017-12-08 | 2018-05-15 | 中山市天隆燃具电器有限公司 | A kind of door opening anti-collision device of new-energy automobile |
| CN108407715A (en) * | 2018-03-05 | 2018-08-17 | 安徽农业大学 | A kind of automobile safety early-warning system and method |
| CN108791280A (en) * | 2018-03-30 | 2018-11-13 | 斑马网络技术有限公司 | The safety-protection system of Vehicular door and its application |
| CN109424289A (en) * | 2017-08-30 | 2019-03-05 | 比亚迪股份有限公司 | A kind of safe method for opening and closing of back door, back door gear and automobile |
| CN109823300A (en) * | 2019-03-28 | 2019-05-31 | 上海工程技术大学 | A kind of bus safety system |
-
2014
- 2014-12-08 CN CN201420763744.4U patent/CN204279230U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290749A (en) * | 2017-06-16 | 2017-10-24 | 东华大学 | A kind of SCM Based ultrasonic ranging system |
| CN109424289A (en) * | 2017-08-30 | 2019-03-05 | 比亚迪股份有限公司 | A kind of safe method for opening and closing of back door, back door gear and automobile |
| CN109424289B (en) * | 2017-08-30 | 2021-01-01 | 比亚迪股份有限公司 | Safe back door opening and closing method, back door device and automobile |
| CN108032801A (en) * | 2017-12-08 | 2018-05-15 | 中山市天隆燃具电器有限公司 | A kind of door opening anti-collision device of new-energy automobile |
| CN108407715A (en) * | 2018-03-05 | 2018-08-17 | 安徽农业大学 | A kind of automobile safety early-warning system and method |
| CN108791280A (en) * | 2018-03-30 | 2018-11-13 | 斑马网络技术有限公司 | The safety-protection system of Vehicular door and its application |
| CN109823300A (en) * | 2019-03-28 | 2019-05-31 | 上海工程技术大学 | A kind of bus safety system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181208 |