CN203198914U - Seat belt unfastening detection and reminding system for automobiles - Google Patents
Seat belt unfastening detection and reminding system for automobiles Download PDFInfo
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- CN203198914U CN203198914U CN 201220746795 CN201220746795U CN203198914U CN 203198914 U CN203198914 U CN 203198914U CN 201220746795 CN201220746795 CN 201220746795 CN 201220746795 U CN201220746795 U CN 201220746795U CN 203198914 U CN203198914 U CN 203198914U
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Abstract
The utility model discloses a seat belt unfastening detection and reminding system for automobiles. The seat belt unfastening and reminding system comprises a master control unit, a detection module for detecting whether a seat belt is fastened and an alarm module for alarming when the seat belt is not fastened according to detection. The signal input end of the detection module is connected with a signal input end of the master control unit, the alarm signal output end of the master control unit is connected with the signal input end of the alarm module, the detection module comprises a seat belt buckle switch state detection device arranged on a seat belt buckle switch, and the signal output end of the seat belt buckle switch state detection device is connected with the signal input end of the master control unit. A seat belt braid drawn out signal recognition device is arranged on a B column inner plate, and the signal output end of the seat belt braid drawn out signal recognition device is connected onto the signal input end of the master control unit. The seat belt unfastening detection and reminding system is simple in structure, can judge whether the seat belt is fastened through detection on whether a seat belt braid is drawn out and whether a seat belt buckle is in place, ensures safety of passengers and drivers and is suitable for seat belts of any vehicles.
Description
Technical field
The utility model belongs to automotive field, relates to the detection system for prompting in a kind of vehicle, and specifically a kind of vehicle safety belt is not the detection system for prompting.
Background technology
Safety strap is as the vitals of vehicle, and for the protection of chaufeur in the vehicle and passenger's safety, especially when the accidents such as appearance collision, safety strap can effectively avoid chaufeur and the passenger in the car to be subject to serious injury.But some chaufeur and passenger exist the custom of safety belt buckling free, and when directly causing Accidental occurrence, the occupant is badly wounded, even dead.
Generation for above-mentioned situation, make chaufeur and passenger form the custom of fastening the safety belt, generally being provided with safety strap in existing vehicle is not system for prompting, buckle at safety belt lock detecting device is set, the control unit receiving detection device detects the on off mode of safety belt lock catch switch, and judge according to the state that detects whether safety strap is fastened, be specially: when need not to fasten the safety belt in the vehicles failed startup, anchor switch is in normally off, when vehicle launch needs chaufeur or passenger to fasten one's safety belt, chaufeur or passenger fasten seat belts by eye-splice is inserted in the snap close, at this moment, anchor switch is in the state of disconnection, after detecting device detected the anchor switch disconnection, control unit judged that safety strap is fastened, at this moment, control unit can not controlled warning device and report to the police, otherwise control unit control warning device warning reminding.
Yet above-mentioned safety strap is not system for prompting exists following defective: when chaufeur or passenger's safety belt buckling free; but when wanting to shield alerting signal; can adopt the quiet eye-splice of safety strap; when quiet eye-splice insertion safety belt lock is smashed; be easy to allow detecting device think that chaufeur or passenger fasten seat belts and no longer send warning; thereby making safety strap is not that system for prompting loses its effect, can't really play a protective role to chaufeur or passenger.
Summary of the invention
The technical problems to be solved in the utility model; providing a kind of vehicle safety belt is not the detection system for prompting; whether described system for prompting can effectively detect safety strap and fasten, and in time sends alarm in the situation that do not fasten seat belts, protection chaufeur and passenger's safety.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of vehicle safety belt is not the detection system for prompting, the detection module that comprises main control unit, whether fastens for detection of safety strap, be used for the alarm module of reporting to the police when detecting safety strap and not fastening, the signal output part of described detection module connects the signal input part of main control unit, the alarm signal output ends of main control unit connects the signal input part of alarm module, described detection module comprises the safety belt lock catch switch state detector, be located on the safety belt lock catch switch, its signal output part connects the signal input part of main control unit;
Belt-strap is pulled out signal identification device, is located on the B post inner panel, and its signal output part connects the signal input part of main control unit.
As to restriction of the present utility model: also comprise:
For detection of the ignition lock shift detection module of vehicle ignition switch gear, its signal output part connects the signal input part of main control unit;
For detection of the speed of a motor vehicle detection module of the speed of a motor vehicle, its signal output part connects the signal input part of main control unit;
For detection of the time detecting module of the backward front time of run of vehicle self-starting, its signal output part connects the signal input part of main control unit;
For detection of the backward front range ability of vehicle self-starting apart from detection module, its signal output part connects the signal input part of main control unit.
As to further restriction of the present utility model: described alarm module comprises:
Ignition lock shift detection module detects ignition lock and is in the one-level reminding alarm device of reporting to the police when opening gear, and its signal input part connects the alarm signal output ends of main control unit;
To close shift detection be to pull out or secondary reminding alarm device that the safety strap eye-splice is reported to the police when not being inserted in the snap close to belt-strap when ignition lock is in, and its signal input part connects the alarm signal output ends of main control unit.
As to another kind of restriction the of the present utility model: described belt-strap is pulled out the luminous testing agency that signal identification device comprises the reflection organization be located on the belt-strap, obtains signal by the motion that detects reflection organization, described luminous testing agency is located on the B post inner panel, and its signal output part connects the signal input part of main control unit.
As the restriction to luminous testing agency: described luminous testing agency comprises the light-emitting diode that is used to reflection organization that light source is provided, be used for receiving the electro-optical tubes diode of the light of reflection organization reflection, and the signal output part of described photodiode connects the signal input part of main control unit.
As the restriction to reflection organization: described reflection organization is the reflecting coating that is coated on the belt-strap.
Limit as the another kind to reflection organization: described reflection organization is the ultra-thin reflex-reflective material that sticks on the belt-strap.
As the restriction to main control unit: described main control unit is the ECU of vehicle.
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, obtained technological advance is: (1) detection module of the present utility model not only detects the state of safety belt lock catch, whether detect simultaneously belt-strap pulls out, only have safe ribbon to be drawn out, just can not give the alarm behind the safety belt lock catch locking simultaneously, guarantee that chaufeur or passenger fasten seat belts, guarantee chaufeur and passenger's safety;
(2) be provided with ignition lock shift detection module, time detecting module, speed of a motor vehicle detection module, apart from detection module, after above-mentioned module detected signal is arranged, safety strap was not that system for prompting is just opened whether safety strap fastened and detected, reports to the police;
(3) alarm module comprises one-level alarm mechanism and secondary alarm mechanism, thereby repeatedly reminding driver and passenger fasten seat belts, and guarantees the safety of passenger and chaufeur;
(4) safe ribbon is pulled out signal identification device and is comprised that reflection organization obtains the luminous testing agency of signal by the motion that detects reflection organization, when pulling out belt-strap, reflection organization moves together to belt-strap, and reflection organization can be through the light-emitting diode in the luminous testing agency in motion process, the light that reflection organization reflection light-emitting diode sends, and the light of reflection can be received by the photodiode in the luminous testing agency, form detection signal and pass to main control unit, cooperate this signal detection safety strap whether to be fastened;
(5) main control unit directly adopts vehicle ECU, need not additionally to arrange main control unit, and simple in structure, cost is low.
As fully visible, the utility model is simple in structure, by whether belt-strap being pulled out and whether the safety strap eye-splice is plugged the detection of two contents, judges that whether safety strap is fastened, and guarantees that the passenger understands the safety of chaufeur.The utility model is applicable to the safety strap of any vehicle.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the functional block diagram of the utility model embodiment;
Fig. 2 is that belt-strap is pulled out the structural representation that signal identification device is installed among the utility model embodiment;
Fig. 3 is the control flow chart of the utility model embodiment.
Among the figure: 1-B post inner panel, 2-seatbelt top set collar, 3-belt-strap is pulled out signal identification device, 4-belt-strap, 5-Webbing retractor.
The specific embodiment
EmbodimentA kind of vehicle safety belt is not the detection system for prompting
Figure 1 shows that the structural representation of the present embodiment, comprise main control unit, adopt vehicle ECU directly as main control unit in the present embodiment.
The detection module of whether fastening for detection of safety strap, comprise the safety belt lock catch switch state detector, identical with safety belt lock catch switch state detector of the prior art, it is arranged at safety belt lock and buckles, for detection of the on off state of safety belt lock catch, its signal output part connects the signal input part of vehicle ECU;
Whether belt-strap is pulled out signal identification device, and it is provided with on the B post inner panel 1, be drawn out for detection of belt-strap, and its signal output part connects the signal input part of vehicle ECU.
Ignition lock shift detection module, for the ignition lock shift detection module that arranges in the existing vehicle control system, for detection of the state of ignition lock gear, its signal output part connects the signal input part of vehicle ECU.
Speed of a motor vehicle detection module, for the speed of a motor vehicle detection module that arranges in the existing vehicle control system, for detection of the vehicle speed signal of vehicle, its signal output part connects the signal input part of vehicle ECU.
The time detecting module, for the time detecting module that arranges in the existing vehicle control system, for detection of the time of moving after the vehicle self-starting, its signal output part connects the signal input part of vehicle ECU.
Apart from detection module, for arrange in the existing vehicle control system apart from detection module, for detection of the distance of moving after the vehicle self-starting, its signal output part connects the signal input part of vehicle ECU.
Alarm module comprises one-level warning reminding device and secondary warning reminding device, and described one-level warning reminding device and the signal input part of secondary warning reminding device all are connected the alarm signal output ends of vehicle ECU.
Be illustrated in figure 2 as belt-strap and pull out the mounting structure schematic diagram of signal identification device: belt-strap 4 one ends are fixed on the seatbelt top set collar 2 among the figure, the other end is fixed on the Webbing retractor 5, and wherein safety strap top set collar 2 is fixed on the B post inner panel 1.Belt-strap is pulled out signal identification device and is installed on the B post inner panel 1, simultaneously between belt-strap 4.
Described belt-strap is pulled out signal identification device and is comprised the reflection organization of being located on the belt-strap 4, can adopt the mode that applies reflecting coating at belt-strap 4, also can adopt the mode of pasting ultra-thin reflex-reflective material at belt-strap 4.
Spacing is provided with LED and photodiode DW on B post inner panel 1, wherein the light that sends of LED can be reflected by the reflection organization on the belt-strap 4, and photodiode DW can receive the light of reflection organization reflection, and converts electric signal to and send vehicle ECU to.
Figure 3 shows that the control flow chart of that embodiment of this practical information, concrete workflow:
At first detected the shifting state of ignition lock this moment by the ignition lock gear detection device, and send the information that detects to vehicle ECU, if ignition lock is in the unlatching gear, then vehicle ECU sends alerting signal to one-level warning reminding device, and reminding driver should be fastened seat belts this moment; Then, by the speed of a motor vehicle detection module speed information that detects is passed to vehicle ECU, the temporal information that the time detecting module is moved after with the vehicle launch that detects passes to vehicle ECU, the range information that moves after with the vehicle self-starting that detects apart from detection module sends vehicle ECU to, when satisfying a following arbitrary condition, vehicle safety belt is not to detect system for prompting to open:
1. the speed of vehicle surpasses 25km/h
2. the vehicle self-starting has moved forward 60s
3. the vehicle self-starting travels forward above 500m.
Safety strap is not after the detection alarm system opens, whether at first pull out signal identification module detection belt-strap 4 by belt-strap pulls out, be specially: when chaufeur or passenger pull out belt-strap 4, reflection organization can be drawn out together along with belt-strap 4, simultaneously when fastening seat belts, reflection organization can rest on the LED place, continue the light that reflection light emitting diode LED sends, simultaneously, photodiode DW can receive the light of reflection organization reflection, and convert electric signal to and send vehicle ECU to, vehicle ECU judges that belt-strap 4 is drawn out after receiving electric signal, otherwise vehicle ECU judges that belt-strap 4 is not drawn out, and vehicle ECU sends alerting signal and reports to the police to secondary warning reminding device, and prompt passengers or chaufeur are fastened seat belts.
After vehicle ECU receives electric signal and judges that belt-strap 4 is drawn out, the safety belt lock catch switch state detector detects the state of safety belt lock catch switch this moment, if this moment, vehicle ECU received the signal that safety belt lock catch is triggered again, the proof safety strap is fastened, vehicle ECU judges that safety strap is fastened, then can not send alerting signal reports to the police to secondary warning reminding device, otherwise vehicle ECU judges that safety strap is not to send simultaneously alerting signal and report to the police to secondary warning reminding device.
The present embodiment is simple in structure, by two-stage warning reminding device is set, repeatedly reminding driver or passenger fasten seat belts, simultaneously behind the vehicle launch, whether be drawn out by detecting belt-strap 4, and the state of safety belt lock catch switch judges whether safety strap is fastened, only have belt-strap 4 to be drawn out, and safety belt lock catch is triggered, could prove that safety strap is fastened, vehicle ECU just can not send alerting signal to secondary warning reminding device, makes that safety strap is not the detection alarm system closing.
Claims (8)
1. a vehicle safety belt is not the detection system for prompting, the detection module that comprises main control unit, whether fastens for detection of safety strap, be used for the alarm module of reporting to the police when detecting safety strap and not fastening, the signal output part of described detection module connects the signal input part of main control unit, the alarm signal output ends of main control unit connects the signal input part of alarm module
It is characterized in that:Described detection module comprises the safety belt lock catch switch state detector, is located on the safety belt lock catch switch, and its signal output part connects the signal input part of main control unit;
Belt-strap is pulled out signal identification device, is located on the B post inner panel, and its signal output part connects the signal input part of main control unit.
2. vehicle safety belt according to claim 1 is not the detection system for prompting,
It is characterized in that:Also comprise:
For detection of the ignition lock shift detection module of vehicle ignition switch gear, its signal output part connects the signal input part of main control unit;
For detection of the speed of a motor vehicle detection module of the speed of a motor vehicle, its signal output part connects the signal input part of main control unit;
For detection of the time detecting module of the backward front time of run of vehicle self-starting, its signal output part connects the signal input part of main control unit;
For detection of the backward front range ability of vehicle self-starting apart from detection module, its signal output part connects the signal input part of main control unit.
3. vehicle safety belt according to claim 2 is not the detection system for prompting,
It is characterized in that:Described alarm module comprises:
Ignition lock shift detection module detects ignition lock and is in the one-level reminding alarm device of reporting to the police when opening gear, and its signal input part connects the alarm signal output ends of main control unit;
Close shift detection to the secondary reminding alarm device that belt-strap is not pulled out or the safety strap eye-splice is reported to the police when not being inserted in the snap close when ignition lock is in, its signal input part connects the alarm signal output ends of main control unit.
According to claim 1 to the described vehicle safety belt of 3 any one be not the detection system for prompting,
It is characterized in that:Described belt-strap is pulled out the luminous testing agency that signal identification device comprises the reflection organization be located on the belt-strap, obtains signal by the motion that detects reflection organization, described luminous testing agency is located on the B post inner panel, and its signal output part connects the signal input part of main control unit.
5. vehicle safety belt according to claim 4 is not the detection system for prompting,
It is characterized in that:Described luminous testing agency comprises the light-emitting diode that is used to reflection organization that light source is provided, the electro-optical tubes diode that is used for the light of reception reflection organization reflection, and the signal output part of described photodiode connects the signal input part of main control unit.
6. vehicle safety belt according to claim 5 is not the detection system for prompting,
It is characterized in that:Described reflection organization is the reflecting coating that is coated on the belt-strap.
7. vehicle safety belt according to claim 5 is not the detection system for prompting,
It is characterized in that:Described reflection organization is the ultra-thin reflex-reflective material that sticks on the belt-strap.
8. vehicle safety belt according to claim 1 is not the detection system for prompting,
It is characterized in that:Described main control unit is the ECU of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746795 CN203198914U (en) | 2012-12-31 | 2012-12-31 | Seat belt unfastening detection and reminding system for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746795 CN203198914U (en) | 2012-12-31 | 2012-12-31 | Seat belt unfastening detection and reminding system for automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198914U true CN203198914U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746795 Expired - Fee Related CN203198914U (en) | 2012-12-31 | 2012-12-31 | Seat belt unfastening detection and reminding system for automobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394480A (en) * | 2015-07-27 | 2017-02-15 | 福特全球技术公司 | Seatbelt lighting system |
| CN106427880A (en) * | 2015-08-05 | 2017-02-22 | 大陆汽车电子(芜湖)有限公司 | Unfastening safety belt prompting method |
-
2012
- 2012-12-31 CN CN 201220746795 patent/CN203198914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394480A (en) * | 2015-07-27 | 2017-02-15 | 福特全球技术公司 | Seatbelt lighting system |
| CN106427880A (en) * | 2015-08-05 | 2017-02-22 | 大陆汽车电子(芜湖)有限公司 | Unfastening safety belt prompting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130918 Termination date: 20201231 |