CN110182170A - A kind of bus safety band alarm set - Google Patents
A kind of bus safety band alarm set Download PDFInfo
- Publication number
- CN110182170A CN110182170A CN201910539130.5A CN201910539130A CN110182170A CN 110182170 A CN110182170 A CN 110182170A CN 201910539130 A CN201910539130 A CN 201910539130A CN 110182170 A CN110182170 A CN 110182170A
- Authority
- CN
- China
- Prior art keywords
- ecu
- sensor
- buzzer
- communication module
- bus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
- B60R2022/4816—Sensing means arrangements therefor for sensing locking of buckle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4808—Sensing means arrangements therefor
- B60R2022/4858—Sensing means arrangements therefor for sensing pressure on seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
- B60R2022/4866—Displaying or indicating arrangements thereof
Abstract
The invention discloses a kind of bus safety band alarm sets, the device mainly includes cushion pressure sensor (1) and buckle and bolt mechanical linkage sensors (2), it is characterized by also including safety belts to pull out range sensor (3), buzzer sensor (4), buzzer actuator (5), CAN controls communication module (6) and ECU(7), wherein cushion pressure sensor (1), buckle and bolt mechanical linkage sensors (2), safety belt pull out the output end of range sensor (3) and buzzer sensor (4) with connect respectively with the receiving end for controlling communication module (6) CAN, CAN control communication module (6) output end with connect respectively with the receiving end ECU(7), ECU(7) output end passes through CAN control communication module (6) and buzzer actuator (5) receiving end connects, ECU(7) output end connect with the receiving end of the receiving end of starter switch and instrument board respectively.
Description
Technical field
The invention belongs to car electrics fields more particularly to a bus safety band to detect alarm method.
Technical background
Vehicle has become the mobile first choice of most people medium or short range distance at present.In the data statistics of Chinese transportation Department of Transportation
In, year ends 2018 national 484.65 ten thousand kilometers of total mileage of highway, while the whole nation possesses road commercial vehicle 1435.48 ten thousand altogether,
Wherein passenger car 79.66 ten thousand, build highway can also put into more funds in the future by carryall 30.27 ten thousand
With specification highway transport vehicle.Share 203049 in the traffic accident that the whole nation in 2017 occurs, death toll up to 63772 people,
Causing direct property loss is about 121311.3 ten thousand yuan.
" People's Republic of China Road Traffic Safety Law Implementation Regulations " the 51st article of clear stipulaties: motor-driven vehicle going
When, driver, passenger must use of seat belts according to the rules, and motorbike driver and passenger must wear head by regulation
Helmet.Safety belt is to generally acknowledge the highest auto-safety mechanism of cost performance, mandatory carriage device is belonged in vehicle configuration, even if big
Seat belt apparatus is provided on each seat of type passenger car.Current safety band alarm device is based on bolt and socket
Between whether have mechanical connection, deliver a signal to ECU, then judge whether buzzer alarms.Defect existing for the method is as follows: the
One, it can not judge whether there is passenger on seat；Second, it can not judge the non-wear safety belt of passenger, voluntarily connecting bolt from behind；
Third, driver can start motor vehicle in the case where there is passenger not use according to regulations safety belt.
Summary of the invention
The object of the invention is that solving above-mentioned defect.And devise a kind of safety belt whether the detection of normal use
Device.
The technical scheme is that a kind of bus safety band alarm set, the device mainly includes cushion pressure sensings
Device and buckle and bolt mechanical linkage sensors further include that safety belt pulls out range sensor, buzzer sensor, buzzer are held
Row device, CAN control communication module and ECU, wherein cushion pressure sensor, buckle and bolt mechanical linkage sensors, safety belt
Pull out the output end of range sensor and buzzer sensor with connect respectively with the receiving end of CAN control communication module, CAN is controlled
The output end of communication module processed with connect respectively with the receiving end ECU, ECU output end passes through CAN and controls communication module and buzzer
The connection of actuator receiving end, ECU output end are connect with the receiving end of the receiving end of starter switch and instrument board respectively.
The cushion pressure device transducer sensitivity is set as 10kg, and when pressure is more than preset value, CAN controls communication module
The order data received is passed into ECU and buzzer actuator.
The buckle and bolt mechanical linkage sensors is after buckle is mechanically connected with bolt, CAN control communication
The order data received is passed to ECU and buzzer actuator by module.
Safety belt is equipped with a regular length induction point, and safety belt is equipped on safety belt recover and pulls out Distance-sensing
Device detects that induction point is drawn out more than after 10s, CAN controls communication module and the order data received is passed to ECU and bee
Ring device actuator.
According to the above-mentioned collected signal of buzzer sensor, after being sent to ECU by CAN bus, CAN bus is signal
It is sent to starter switch actuator, determines whether that closure/disconnection switchs by CAN bus.
It includes control unit processor, CAN controller and CAN transceiver that CAN, which controls communication module,.
ECU includes CPU, CAN communication module, A/D conversion module and sensor acquisition module.
By mechanical linkage sensors between cushion pressure sensor, safety belt buckle and key seat and safety belt pull out away from
From sensor detection signal, using CAN bus is delivered to after signal processing, judge on seat whether someone, if no one, buzzing
Device does not work, if someone, continues to determine whether the case where not using according to regulations there are safety belt, if so, buzzer warning, if
No, buzzer does not work.The signal of buzzer sensor acquisition simultaneously passes to ECU by CAN, if buzzer is in alarm shape
State, then ECU inhibits starter operation, if buzzer is not in alarm condition, starter can normally start.
The cushion pressure sensor is: a pressure sensor being arranged under cushion, it is contemplated that passenger car has clearance
The place of Lee considers further that the thin weak person of figure and child so heavy luggage will not be placed on the seat of unmanned seating, and pressure passes
Sensor setting to about 10kg, i.e., detection reach or the pressure more than 10kg after, be considered as now that this is occupied.
Mechanical linkage sensors between the safety belt buckle and bolt are: the most common safety belt buckle knot on the market
Structure mainly judges whether clamping.
The safety belt pulls out range sensor: primarily to preventing passenger from passing through from behind buckles safety belt.Peace
The full extreme lower position with buckle is fixed by a dot or strip dress plastic material, when pulling safety belt and fastening, if seat
Position is upper without passenger, after safety belt voluntarily bounces back, the length of pull-out should be it is fixed, set at this time in safety belt pull-out location
An induction point is set, the induction point being fixed on safety belt can be pulled out by continuing elongation safety belt, it is contemplated that be wrapped up around seat
The difference of design and the thin weak person of figure, induction point are arranged in the position of about 5cm after regular length, are more than if induction point is drawn out
10s is then considered as and has fastened seat belts.
The starter switch actuator is: the signal transmitted by CAN bus, if buzzer is under alarm condition,
Then starter switch is forbidden to be closed, it is ensured that vehicle is unable to reignition before alarm cancellation.
The CAN bus platform that the present invention designs, the ECU using 32 bit processors as automobile receive and at Treated Base
The signal and instructed to floor processor that reason device is sent；It is detected using 16 bit processors and controls starter；Using 8
Processor detects or detects and control buckle, cushion, safety belt, buzzer, the sensor on starter switch and executing agency.
Whole system is made of multiple control units, these control units are connected in parallel on bus conductor by transceiver.Data transmission is total
Line uses two conducting wires, and transmission signal is mirrored into relationship on one, two conducting wires, can effectively inhibit external disturbance in this way.
Beneficial effects of the present invention: being alarm system of not fastening the safety belt old before solving car first, adds now
Enter cushion pressure sensor, safety belt pull-out range sensor, CAN bus etc., makes alarm system more reasonable；Its secondary response state
Required by family's laws and regulations, the safety of passenger when accident occurs is improved；It is finally the electronization for embodying automobile, intelligence
Change, plays the role of casting a brick to attract jade to the development of automotive electronics.
Detailed description of the invention
Fig. 1 is that safety belt pulls out range sensor schematic diagram；
Fig. 2 is CAN bus setting figure；
Fig. 3 is the flow chart of system；
In figure: 8- safety belt buckle, 9- induction point, 10- safety belt recover.
Specific embodiment
A kind of bus safety band alarm set, the device mainly includes cushion pressure sensor 1 and buckle and bolt are mechanical
Sensor 2 is connected, further includes that pull out range sensor 3, buzzer sensor 4, buzzer actuator 5, CAN control logical for safety belt
Believe module 6 and ECU 7, wherein cushion pressure sensor 1, buckle and bolt mechanical linkage sensors 2, safety belt pull out distance and pass
The output end of sensor 3 and buzzer sensor 4 with respectively with CAN control communication module 6 receiving end connect, CAN control communicates
The output end of module 6 with connect respectively with the receiving end ECU7,7 output end of ECU controls communication module 6 by CAN and holds with buzzer
The connection of 5 receiving end of row device, 7 output end of ECU are connect with the receiving end of the receiving end of starter switch and instrument board respectively；It is described
1 sensitivity of cushion pressure device sensor be set as 10kg, when pressure is more than preset value, the life that will receive of CAN control communication module 6
Data are enabled to pass to ECU 7 and buzzer actuator 5；The buckle and bolt mechanical linkage sensors 2 is when buckle and bolt
After being mechanically connected, CAN controls communication module 6 and the order data received is passed to ECU 7 and buzzer actuator 5；Peace
It takes entirely equipped with a regular length induction point, safety belt is equipped on safety belt recover and pulls out range sensor, that is, is detected
It is drawn out to induction point more than after 10s, CAN controls communication module and the order data received is passed to ECU and buzzer execution
Device；According to the collected signal of above-mentioned buzzer sensor 4, after being sent to ECU 7 by CAN bus, CAN bus sends out signal
It is sent to starter switch actuator, determines whether that closure/disconnection switchs by CAN bus；CAN controls communication module 6
Control unit processor, CAN controller and CAN transceiver；ECU 7 includes CPU, CAN communication module, A/D conversion module and biography
Sensor acquisition module.
Refering to attached drawing 3, it is contemplated that it should first judge whether there is passenger on seat, then judge seatbelt wearing situation, so
Most start detect whether cushion pressure sensor pressure reaches 10kg or more, if pressure is not up to so considered as this seat and shows
At nobody, buzzer is not alarmed, and buzzer sensor passes signal is to ECU；If pressure has reached 10kg or more, peace is detected
It is firm whether the full mechanical connection between buckle and key seat connects.If it is firm to be not connected with, buzzer warning, buzzer sensor
Deliver a signal to ECU；Safety belt, which is continued to test, if connection is firm pulls out distance.If pulling out distance has been more than preset value, depending on
To fasten seat belts by regulation, buzzer is not alarmed；If pulling out distance is less than preset value, it is considered as and does not fasten peace by regulation
Full band, buzzer warning.Furthermore whether driver can see buzzer in alarm condition on instrument board, this is primarily to anti-
Only noise jamming and can't hear the sound of buzzer.When buzzer is in alarm condition, ECU transmitting signal inhibits starter to open
Dynamic, motor vehicle can not start；When buzzer is in non-alarm condition, starter can normally start.
The safety belt pulls out range sensor: primarily to preventing passenger from passing through from behind buckles safety belt.Peace
The full extreme lower position with buckle 8 is fixed by a dot or strip dress plastic material, when pulling safety belt and fastening, if seat
Position is upper without passenger, is voluntarily retracted into safety belt recover 10 to safety belt, the length of pull-out should be it is fixed, exist at this time
An induction point 9 is arranged in safety belt pull-out location, and the induction point 9 being fixed on safety belt can be pulled out by continuing elongation safety belt,
In view of the position of about 5cm after regular length is arranged in the difference of package design and the thin weak person of figure, induction point 9 around seat,
If induction point 9 is drawn out more than 10s, it is considered as and has fastened seat belts.
Preferably, cushion pressure sensor, safety belt buckle sensor, range sensor, buzzer sensor
After a series of data processing, output end is connect through CAN with the receiving end ECU obtained data, after ECU is processed
ECU output end is connect further through CAN with buzzer actuator receiving end, finally by buzzer actuator output end through CAN and ECU
Receiving end connection, after obtaining the signal after ECU is processed, ECU output end is sent to the receiving end of starter switch, while again letter
It number sends the receiving end of instrument board to, realizes real-time display.In order to guarantee that safety, entire transmission process will not influence vehicle and show mesh
Preceding driving condition only influences the restarting of vehicle.
It is the preferable example of the present invention described in upper, scope limitation is not made to the present invention, it is all in technical solution of the present invention essence
On slightly change or improve, belong to patent protection scope of the invention.
Claims (7)
1. a kind of bus safety band alarm set, the device mainly includes cushion pressure sensor (1) and buckle and bolt are mechanical
It connects sensor (2), it is characterised in that: further include that safety belt pulls out range sensor (3), buzzer sensor (4), buzzer
Actuator (5), CAN control communication module (6) and ECU(7), wherein cushion pressure sensor (1), buckle and bolt are mechanically connected
Sensor (2), safety belt pull out the output end of range sensor (3) and buzzer sensor (4) and communicate with controlling respectively with CAN
The receiving end of module (6) connects, the output end of CAN control communication module (6) with connect respectively with the receiving end ECU(7), ECU(7)
Output end is connect by CAN control communication module (6) with buzzer actuator (5) receiving end, ECU(7) output end respectively with
The receiving end of motivation switch is connected with the receiving end of instrument board.
2. a kind of bus safety band alarm set according to claim 1, it is characterised in that: the cushion pressure device passes
Sensor (1) sensitivity is set as 10kg, and when pressure is more than preset value, CAN controls communication module (6) and transmits the order data received
To ECU(7) and buzzer actuator (5).
3. a kind of bus safety band alarm set according to claim 1, characteristic are: the buckle and bolt machine
Tool connects sensor (2) after buckle is mechanically connected with bolt, the order data that CAN control communication module (6) will receive
Pass to ECU(7) and buzzer actuator (5).
4. a kind of bus safety band alarm set according to claim 1, characteristic are: safety belt is equipped with one admittedly
Measured length induction point is equipped with safety belt on safety belt recover and pulls out range sensor, that is, it is super to detect that induction point is drawn out
After crossing 10s, CAN controls communication module and the order data received is passed to ECU and buzzer actuator.
5. a kind of bus safety band alarm set according to claim 1, it is characterised in that: sensed according to above-mentioned buzzer
Device (4) collected signal, is sent to ECU(7 by CAN bus) after, CAN bus sends signals to starter switch execution
Device determines whether that closure/disconnection switchs by CAN bus.
6. a kind of bus safety band alarm set according to claim 1, it is characterised in that: CAN controls communication module (6)
Including control unit processor, CAN controller and CAN transceiver.
7. a kind of bus safety band alarm set according to claim 1, it is characterised in that: ECU(7) it include CPU, CAN
Communication module, A/D conversion module and sensor acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539130.5A CN110182170A (en) | 2019-06-20 | 2019-06-20 | A kind of bus safety band alarm set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539130.5A CN110182170A (en) | 2019-06-20 | 2019-06-20 | A kind of bus safety band alarm set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182170A true CN110182170A (en) | 2019-08-30 |
Family
ID=67722639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910539130.5A Pending CN110182170A (en) | 2019-06-20 | 2019-06-20 | A kind of bus safety band alarm set |
Country Status (1)
| Country | Link |
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| CN (1) | CN110182170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409586A (en) * | 2020-05-05 | 2020-07-14 | 重庆广播电视大学重庆工商职业学院 | Automobile safety detection warning method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1413959A (en) * | 1971-09-21 | 1975-11-12 | Deacon R F | Car safety systems |
| CN105905069A (en) * | 2016-05-13 | 2016-08-31 | 昆山浩硕精密机械有限公司 | Automobile safety belt automatic detecting reminding device |
| CN106080501A (en) * | 2016-07-20 | 2016-11-09 | 从光梅 | A kind of seat belt warning devices |
| CN207000403U (en) * | 2017-07-26 | 2018-02-13 | 徐州工业职业技术学院 | A kind of car belt monitoring and reminding system |
| CN208180991U (en) * | 2018-04-04 | 2018-12-04 | 泰姆勒汽车部件（苏州）有限公司 | Automobile safety belt reminding device |
| CN109177917A (en) * | 2018-09-28 | 2019-01-11 | 池明远 | A kind of automobile three-point safety belt monitoring system |
-
2019
- 2019-06-20 CN CN201910539130.5A patent/CN110182170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1413959A (en) * | 1971-09-21 | 1975-11-12 | Deacon R F | Car safety systems |
| CN105905069A (en) * | 2016-05-13 | 2016-08-31 | 昆山浩硕精密机械有限公司 | Automobile safety belt automatic detecting reminding device |
| CN106080501A (en) * | 2016-07-20 | 2016-11-09 | 从光梅 | A kind of seat belt warning devices |
| CN207000403U (en) * | 2017-07-26 | 2018-02-13 | 徐州工业职业技术学院 | A kind of car belt monitoring and reminding system |
| CN208180991U (en) * | 2018-04-04 | 2018-12-04 | 泰姆勒汽车部件（苏州）有限公司 | Automobile safety belt reminding device |
| CN109177917A (en) * | 2018-09-28 | 2019-01-11 | 池明远 | A kind of automobile three-point safety belt monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409586A (en) * | 2020-05-05 | 2020-07-14 | 重庆广播电视大学重庆工商职业学院 | Automobile safety detection warning method |
| CN111409586B (en) * | 2020-05-05 | 2021-02-26 | 重庆广播电视大学重庆工商职业学院 | Automobile safety detection warning method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |
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| RJ01 | Rejection of invention patent application after publication |