CN110576767B - Automobile collision alarm device positioned on automobile seat - Google Patents
Automobile collision alarm device positioned on automobile seat Download PDFInfo
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- CN110576767B CN110576767B CN201910979670.5A CN201910979670A CN110576767B CN 110576767 B CN110576767 B CN 110576767B CN 201910979670 A CN201910979670 A CN 201910979670A CN 110576767 B CN110576767 B CN 110576767B
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- collision
- microprocessor
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- pressure sensor
- vehicle
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- 238000012360 testing method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0205—Specific application combined with child monitoring using a transmitter-receiver system
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
A kind ofA collision alarm device for car is composed of multiple pressure sensors installed at different positions on car seat, microprocessor, signal emitter and memory, and features that said pressure sensors are connected to the input of microprocessor via A/D converter, the output of microprocessor is connected to signal emitter and memory, and said pressure sensors send signals to microprocessorNIn a microprocessor according to formula Ci=α1*I1+α2*I2+……+αN*INCalculating a fitted collision signal CiThe microprocessor will fit the collision signal CiWith preset collision signal threshold C0Making a comparison when Ci＞C0When the collision is judged by the microprocessor, the microprocessor sends an alarm signal to the signal transmitter; when C is presenti≤C0And the microprocessor judges that no collision occurs, stores and records the fitting collision signal in the memory, and can directly and effectively find the road dangerous case and realize real-time alarm by analyzing and monitoring data.
Description
Technical Field
The invention relates to the field of automobile seat collision alarming, in particular to an automobile collision alarming device positioned on an automobile seat.
Background
The automobile seat is an important part for ensuring the life safety of passengers, and plays a direct protection role in protecting drivers and passengers when collision occurs. At present, the networking trend of automobiles is obvious, but most automobile collision and early warning/alarming devices are positioned at the peripheral part of the automobiles, and the technical research on the aspects of early warning/alarming and the like of seats in collision is not positive enough. Because the automobile seat is directly contacted with the body of a member, when collision happens, various information of the human body in the automobile collision can be collected through the sensors preset in different areas of the automobile seat. According to the collected information, the severity of the automobile collision can be analyzed. By analyzing and monitoring the human body data, the road dangerous case can be found more directly and effectively, and real-time alarm is realized. The method has practical significance for rescue and rescue, avoidance of nearby vehicles and the like.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a vehicle collision alarm device positioned on a vehicle seat.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a car collision alarm device who is located car seat, includes a plurality of pressure sensor, microprocessor, signal transmitter, the memory of installing different positions on car seat, pressure sensor passes through analog to digital conversion circuit and is connected with microprocessor's input, microprocessor's output is connected with signal transmitter and memory respectively, pressure sensor sends signal I to microprocessorNIn said microprocessor according to formula Ci=α1*I1+α2*I2+……+αN*INCalculating a fitted collision signal CiThe microprocessor will fit the collision signal CiWith preset collision signal threshold C0Making a comparison when Ci＞C0When the collision is judged by the microprocessor, the microprocessor sends an alarm signal to the signal transmitter; when C is presenti≤C0When the collision is not generated, the microprocessor judges that the collision is not generated and fits a collision signal CiThe record is stored in a memory.
Further, pressure sensor has four to be first pressure sensor, second pressure sensor, third pressure sensor, fourth pressure sensor respectively, first pressure sensor installs the intermediate position at car seat cushion seat basin skeleton upper surface, the inside intermediate position at car seat safety belt hasp is installed to second pressure sensor, the intermediate position at car seat back is installed to third pressure sensor, the intermediate position at the inside skeleton upper surface of car seat headrest is installed to fourth pressure sensor.
Further, said α isNThe impact factor of the pressure sensor in the collision process is obtained through actual collision test data.
Further, the microprocessor also fits a collision signal C when determining that a collision has occurrediThe record is stored in a memory.
Further, the microprocessor is also connected with a GPS positioner, and the signal transmitter sends an alarm signal of vehicle collision and vehicle positioning information of the GPS positioner to the Internet and gives an alarm.
Further, the signal transmitter is a wireless signal transmitter.
The invention has the beneficial effects that: when collision happens, because the automobile seat is directly contacted with the body of a member, the pressure sensors preset in different areas of the automobile seat can collect the signal I of the human body during the automobile collisionNAccording to the collected signal INThe automobile collision severity can be calculated and analyzed through a formula, road dangerous situations and passenger injuries can be found more directly and effectively through data analysis and monitoring, and real-time alarming is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a diagram of the placement of a pressure sensor on a vehicle seat in an embodiment of the present invention;
fig. 2 is an overall schematic diagram of a signal processing process in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, an automobile collision warning device located in an automobile seat comprises a microprocessor, a signal emitter, a memory, and four pressure sensors installed at different positions on the automobile seat 100, wherein the pressure sensors are connected with an input end of the microprocessor through an analog-to-digital conversion circuit, and an output end of the microprocessor is respectively connected with the signal emitter and the memory.
The four pressure sensors are respectively a first pressure sensor 1, a second pressure sensor 2, a third pressure sensor 3 and a fourth pressure sensor 4, the first pressure sensor 1 is arranged in the middle of the upper surface of the seat basin framework of the seat cushion of the automobile seat 100, and when collision happens, the position of the first pressure sensor 1 is impacted by a human bodyA strong deformation will occur and the first pressure sensor 1 will generate a signal I1(ii) a The second pressure sensor 2 is installed at the middle position inside the buckle of the safety belt of the car seat 100, when a collision occurs, the safety belt is pulled by a human body, the position of the second pressure sensor 2 is pulled by the safety belt, strong deformation can occur, and the second pressure sensor 2 generates a signal I2(ii) a The third pressure sensor 3 is installed at the middle position of the backrest of the car seat 100, when a collision occurs, the position of the third pressure sensor 3 is impacted by a human body, strong deformation can occur, and the third pressure sensor 3 can generate a signal I3(ii) a The fourth pressure sensor 4 is arranged at the middle position of the upper surface of the inner frame of the headrest of the automobile seat 100, when a collision happens, the position of the fourth pressure sensor 4 is impacted by the head of a human body and deforms, and the fourth pressure sensor 4 generates a signal I4。
The first pressure sensor 1 will transmit a signal I1Generated to the microprocessor, the second pressure sensor 2 sends a signal I2Generated to the microprocessor, the third pressure sensor 3 delivers a signal I3Generated to the microprocessor, the fourth pressure sensor 4 sends a signal I4Generated to a microprocessor according to formula Ci=α1*I1+α2*I2+α3*I3+α4*I4Calculating a fitted collision signal CiThe microprocessor will fit the collision signal CiWith preset collision signal threshold C0Making a comparison when Ci＞C0When the collision is judged by the microprocessor, the microprocessor sends an alarm signal to the signal transmitter, and the collision signal C is fittediStoring the record in a memory; when C is presenti≤C0Then, the microprocessor judges that no collision occurs and fits a collision signal CiThe record is stored in a memory.
α1Is the influence factor, alpha, of the first pressure sensor 1 during a collision2Is the influence factor, alpha, of the second pressure sensor 2 during a collision3Is the influence factor, alpha, of the third pressure sensor 3 during a collision4Is a fourth pressure sensor 4Influencing factor during collision, alpha1、α2、α3、α4The method comprises the steps of obtaining actual crash test data, namely installing an automobile seat 100 provided with a first pressure sensor 1, a second pressure sensor 2, a third pressure sensor 3 and a fourth pressure sensor 4 on an automobile for crash test, arranging a dummy for crash test on the automobile seat, respectively enabling the automobile for crash test to carry out front crash, side rollover and forward rollover tests, collecting original data of the first pressure sensor 1, the second pressure sensor 2, the third pressure sensor 3 and the fourth pressure sensor 4, calculating and analyzing the original data to obtain alpha1、α2、α3、α4The value of (c).
The microprocessor is also connected with a GPS positioner, and the signal emitter sends an alarm signal of vehicle collision and vehicle positioning information of the GPS positioner to the Internet and gives an alarm.
The signal transmitter is a wireless signal transmitter.
When collision happens, because the automobile seat is directly contacted with the body of a member, the pressure sensors preset in different areas of the automobile seat can collect the signal I of the human body during the automobile collisionNAccording to the collected signal INThe automobile collision severity can be calculated and analyzed through a formula, road dangerous situations and passenger injuries can be found more directly and effectively through data analysis and monitoring, and real-time alarming is achieved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a car collision alarm device who is located car seat which characterized in that: comprising four seats mounted in different positions on the vehicle seatThe pressure sensor is connected with the input end of the microprocessor through an analog-to-digital conversion circuit, the output end of the microprocessor is respectively connected with the signal emitter and the memory, and the pressure sensor sends a signal I to the microprocessorNIn said microprocessor according to formula Ci=α1*I1+α2*I2+……+αN*INCalculating a fitted collision signal CiThe microprocessor will fit the collision signal CiWith preset collision signal threshold C0Making a comparison when Ci＞C0When the collision is judged by the microprocessor, the microprocessor sends an alarm signal to the signal transmitter; when C is presenti≤C0When the collision is not generated, the microprocessor judges that the collision is not generated and fits a collision signal CiStoring the record in a memory; pressure sensor has four to be first pressure sensor, second pressure sensor, third pressure sensor, fourth pressure sensor respectively, first pressure sensor installs the intermediate position at car seat cushion seat basin skeleton upper surface, the inside intermediate position at car seat safety belt hasp is installed to second pressure sensor, the intermediate position at car seat back is installed to third pressure sensor, the intermediate position at car seat headrest inside skeleton upper surface is installed to fourth pressure sensor.
2. The vehicle collision warning apparatus in a vehicle seat according to claim 1, wherein: a is saidNThe impact factor of the pressure sensor in the collision process is obtained through actual collision test data.
3. The vehicle collision warning apparatus in a vehicle seat according to claim 1, wherein: the microprocessor also fits a collision signal C when determining that a collision has occurrediThe record is stored in a memory.
4. The vehicle collision warning apparatus in a vehicle seat according to claim 1, wherein: the microprocessor is also connected with a GPS positioner, and the signal emitter sends an alarm signal of vehicle collision and vehicle positioning information of the GPS positioner to the Internet and gives an alarm.
5. The vehicle collision warning apparatus in a vehicle seat according to claim 1, wherein: the signal transmitter is a wireless signal transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979670.5A CN110576767B (en) | 2019-10-15 | 2019-10-15 | Automobile collision alarm device positioned on automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979670.5A CN110576767B (en) | 2019-10-15 | 2019-10-15 | Automobile collision alarm device positioned on automobile seat |
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| Publication Number | Publication Date |
|---|---|
| CN110576767A CN110576767A (en) | 2019-12-17 |
| CN110576767B true CN110576767B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910979670.5A Active CN110576767B (en) | 2019-10-15 | 2019-10-15 | Automobile collision alarm device positioned on automobile seat |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5446592B2 (en) * | 2009-08-24 | 2014-03-19 | アイシン精機株式会社 | Vehicle impact determination device, vehicle impact determination method, and vehicle impact notification device |
| US8587422B2 (en) * | 2010-03-31 | 2013-11-19 | Tk Holdings, Inc. | Occupant sensing system |
| CN202011372U (en) * | 2010-09-20 | 2011-10-19 | 天津职业技术师范大学 | Intelligent seat for automobile driver |
| CN104670139A (en) * | 2013-11-29 | 2015-06-03 | 青岛永通电梯工程有限公司 | Self-adaptive constrained system |
| CN109102904B (en) * | 2018-09-03 | 2020-12-29 | 山东交通学院 | Intelligent passenger injury condition monitoring platform and method based on Internet of vehicles |
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- 2019-10-15 CN CN201910979670.5A patent/CN110576767B/en active Active
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| CN110576767A (en) | 2019-12-17 |
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