CN107554479A - A kind of car belt ribbon limiter lockable mechanism and its control system - Google Patents
A kind of car belt ribbon limiter lockable mechanism and its control system Download PDFInfo
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- CN107554479A CN107554479A CN201710813368.3A CN201710813368A CN107554479A CN 107554479 A CN107554479 A CN 107554479A CN 201710813368 A CN201710813368 A CN 201710813368A CN 107554479 A CN107554479 A CN 107554479A
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- motor
- lockable mechanism
- circuit
- signal
- safety belt
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Abstract
The invention discloses a kind of car belt ribbon limiter lockable mechanism and its control system of technical field of traffic transportation, including upper pendant, connector and lockable mechanism and safety belt, it is characterised in that：The upper pendant, connector and lockable mechanism are flexibly connected successively, and connected between upper pendant and connector by band, the lockable mechanism includes bottom plate, circuit board and motor are provided with the bottom plate, the clutch end of the motor is provided with leading screw, the outside screw of the leading screw is connected with sliding block, shell fragment is connected with the sliding block, two groups of metal columns are provided with the circuit board, and shell fragment is arranged between two groups of metal columns, the present invention is when occurring accident, tightening up for safety belt will not excessively be influenceed, because this clamping is plasticity, safety belt is to the discomfort on human body when solving to drive, solution is refused to fasten the safety belt because safety belt generates discomfort to human body, reduction casualty rate caused by because of safety belt buckling free.
Description
Technical field
The present invention relates to technical field of traffic transportation, specially a kind of car belt ribbon limiter lockable mechanism and its control
System processed.
Background technology
Safety belt was to provide safety guarantee for passenger originally, but due to safety belt tie up to it is especially uncomfortable on body, especially
In summer, fasten the safety belt after perspiring and more feel bad, many people select to abandon fastening the safety belt because of inconvenience, cause traffic accident
Frequently occur, and in the case where no safety belt is protected, human body is caused the quick-fried injury of air bag point by vehicle inertia impact
Case also happen occasionally, many people with clip or buy the thing of a folder safety belt manually and clamp safety belt now, this
Operation is all pretty troublesome every time for sample, and when accident occurs, safety belt is tightened up relatively difficult.
Based on this, the present invention devises a kind of car belt ribbon limiter lockable mechanism and its control system, to solve
Above mentioned problem.
The content of the invention
It is an object of the invention to provide a kind of car belt ribbon limiter lockable mechanism and its control system, to solve
The present many people proposed in above-mentioned background technology with clip or buy the thing of a folder safety belt manually and clamp safety belt,
So operation is all pretty troublesome every time, and when accident occurs, safety belt tightens up the problem of relatively difficult.
To achieve the above object, the present invention provides following technical scheme：A kind of car belt ribbon limiter lockable mechanism,
Including upper pendant, connector and lockable mechanism and safety belt, the upper pendant, connector and lockable mechanism are flexibly connected successively,
And connected between upper pendant and connector by band, the lockable mechanism includes bottom plate, and circuit board is provided with the bottom plate
And motor, the clutch end of the motor are provided with leading screw, the outside screw of the leading screw is connected with sliding block, on the sliding block
Be connected with shell fragment, two groups of metal columns be provided with the circuit board, and shell fragment is arranged between two groups of metal columns, the shell fragment and
Two groups of metal columns are electrically connected with circuit board, and the eye-splice signal wire of the agile signal wire and automobile of the circuit board passes through wire harness
Positive and negative corresponding connection, the side of the sliding block are provided with briquetting, and the contact surface of the sliding block and briquetting is inclined-plane, and briquetting connects
Contacting surface side, the open side of the bottom plate is connected with lid, and upper lid is fixed by self threading pin and bottom plate, and the safety belt is set
Between briquetting and upper lid.
Preferably, the circuit board is fixedly connected in bottom plate by self threading pin.
Preferably, the motor is fixed on bottom plate by motor fixture, and motor fixture is fixed by self threading pin
It is connected in bottom plate.
Preferably, the limited block that restricted briquetting moves left and right is fixedly installed in the inner chamber of the bottom plate.
Preferably, the madial wall of the upper lid is pasted with silica gel piece.
Preferably, top body is provided with the outer face of the briquetting.
A kind of control system of car belt ribbon limiter lockable mechanism, including governor circuit, voltage conversion circuit, light
Coupling isolation circuit, motor-drive circuit.
Governor circuit：Main control chip is using this main control singlechip of STC15W401AS, when there is input action letter outside
Number when, after main control singlechip quickly gathers external input signal, and input signal is judged, logical operation, Ran Houtong
Cross the operating that controlled motor driving chip carrys out indirect controlled motor；
Voltage conversion circuit：12 volts of voltages of outside input pass through this 5 volt linear power supply of DC-DC of LM2940CS-5.0
The output voltage that voltage stabilizing chip can be stablized, C1, C3 electric capacity and C4, C2 electric capacity are respectively voltage stabilizing chip input and output
Filter capacitor, the AC ripple composition contained in direct current is filtered out, finally from the stable 5V electricity of LM2940CS-5.0 3 pin output
Pressure, for whole system provides stably, the electric energy of abundance, meanwhile, the controlled electricity of 12 volts of voltages of input as motor drive ic
Pressure carrys out motor operating, and C1, C2 electric capacity filter out low-frequency ripple, and C3, C4 electric capacity filter out high frequency ripple, circuit during safety belt buckling free
In closure state (having individual normally closed switch inside eye-splice), controller detects that agile signal wire is high level state, is determined as
Do not fasten the safety belt, after fastening one's safety belt, the normally closed switch inside eye-splice is disconnected, and controller detects that agile signal wire is low
Level state, it is judged to having fastened seat belts；
Optical coupling isolation circuit：Security isolation is carried out to the signal of outside input, optocoupler inner workings are by electric signal
Optical signal is converted into, then converts optical signals into electric signal, this prevents the high impulse of outside, high current, high voltage are defeated
Enter signal to be directly inputted on the pin of main control singlechip, actually realize the matching of signal, significantly more efficient protection
Main control chip, D1 diodes prevent K+ and K- reversal connections, R2 resistance current limlitings, prevent the light emitting diode inside optocoupler from burning out, R1
Resistance plays pull-up, strengthens output drive strength signal, and R3 resistance is back-up circuit；
Motor-drive circuit：Motor-drive circuit is that the low-voltage that is exported by control single chip computer, low current signal are controlled
High voltage processed, the motor of high current, make motor speed stable, torsion foot, changing the level height of IN1, IN2 pin can control
Rotating forward, reversion and the stopping of motor, serve controlled motor purpose, isolate, C5, C6 electric capacity are to disappear R5 resistance and power supply
The external interference effect of discharging brush spark.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention will not excessively influence safety when accident occurs
Band is tightened up, because this clamping is plasticity, safety belt is solved because of safety belt pair to the discomfort on human body when solving to drive
Human body generates uncomfortable and refuses to fasten the safety belt, reduce because of safety belt buckling free and caused by casualty rate.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is lockable mechanism structural representation of the present invention；
Fig. 3 is rearview of the present invention；
Fig. 4 is A-A cut away views of the present invention；
Fig. 5 is backsight cut away view of the present invention；
Fig. 6 is governor circuit schematic diagram of the present invention；
Fig. 7 is voltage conversion circuit schematic diagram of the present invention；
Fig. 8 is optical coupling isolation circuit schematic diagram of the present invention；
Fig. 9 is motor-drive circuit schematic diagram of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1- connectors, 2- bands, 3- upper pendants, 4- bottom plates, 5- circuit boards, 6- motors, 7- motor fixtures, 8- shell fragments,
9- sliding blocks, 10- briquettings, 11- safety belts, cover on 12-, 13- metal columns, the agile signal wires of 14-, 15- eye-splice signal wires.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-9, a kind of car belt ribbon limiter lockable mechanism of the invention, including upper pendant 3, connector
1 and lockable mechanism and safety belt 11, upper pendant 3, connector 1 and lockable mechanism are flexibly connected successively, and upper pendant 3 and connector
Connected between 1 by band 2, lockable mechanism includes bottom plate 4, and circuit board 5 and motor 6, the power of motor 6 are provided with bottom plate 4
Output end is provided with leading screw, and the outside screw of leading screw is connected with sliding block 9, shell fragment 8 is connected with sliding block 9, is provided with circuit board 5
Two groups of metal columns 13, and shell fragment 8 is arranged between two groups of metal columns 13, shell fragment 8 and two groups of metal columns 13 are electrical with circuit board 5
Connection, the agile signal wire 14 of circuit board 5 and the eye-splice signal wire 15 of automobile by wire harness it is positive and negative it is corresponding connect, the one of sliding block 9
Side is provided with briquetting 10, and the contact surface of sliding block 9 and briquetting 10 is inclined-plane, the contact surface side of briquetting 10, the open side of bottom plate 4
Lid 12 is connected with, and upper lid 12 is fixed by self threading pin and bottom plate 4, safety belt 11 is arranged between briquetting 10 and upper lid 12.
Wherein, circuit board 5 is fixedly connected in bottom plate 4 by self threading pin, and motor 6 is fixed on bottom by motor fixture 7
On plate 4, and motor fixture 7 is fixedly connected in bottom plate 4 by self threading pin, and restricted briquetting is fixedly installed in the inner chamber of bottom plate 4
10 limited blocks moved left and right, briquetting 10 is set to carry out sliding up and down, the madial wall of upper lid 12 is pasted with silica gel piece, briquetting 10
Outer face on be provided with top body, silica gel piece is contacted with safety belt 11, plays elastic reaction, and shell fragment 8 is fixed on sliding block 9,
After shell fragment 8 encounters metal column 13 when sliding block 9 moves, circuit board 5 can receive signal, so as to which the controlled motor 6 of circuit board 5 is carried out instead
To rotation.
A kind of control system of car belt ribbon limiter lockable mechanism, including governor circuit, voltage conversion circuit, light
Coupling isolation circuit, motor-drive circuit.
Governor circuit：Main control chip is using this main control singlechip of STC15W401AS, when there is input action letter outside
Number when, after main control singlechip quickly gathers external input signal, and input signal is judged, logical operation, Ran Houtong
Cross the operating that controlled motor driving chip carrys out indirect controlled motor 6；
Voltage conversion circuit：12 volts of voltages of outside input pass through this 5 volt linear power supply of DC-DC of LM2940CS-5.0
The output voltage that voltage stabilizing chip can be stablized, C1, C3 electric capacity and C4, C2 electric capacity are respectively voltage stabilizing chip input and output
Filter capacitor, the AC ripple composition contained in direct current is filtered out, finally from the stable 5V electricity of LM2940CS-5.0 3 pin output
Pressure, for whole system provides stably, the electric energy of abundance, meanwhile, the controlled electricity of 12 volts of voltages of input as motor drive ic
Pressure carrys out motor (6) operating, and C1, C2 electric capacity filter out low-frequency ripple, and C3, C4 electric capacity filter out high frequency ripple, during safety belt buckling free
Circuit is in closure state (having individual normally closed switch inside eye-splice), and controller detects that agile signal wire 14 is high level state,
It is judged to not fastening the safety belt, after fastening one's safety belt, the normally closed switch inside eye-splice is disconnected, and controller detects agile signal
Line 14 is low level state, is judged to having fastened seat belts；
Optical coupling isolation circuit：Security isolation is carried out to the signal of outside input, optocoupler inner workings are by electric signal
Optical signal is converted into, then converts optical signals into electric signal, this prevents the high impulse of outside, high current, high voltage are defeated
Enter signal to be directly inputted on the pin of main control singlechip, actually realize the matching of signal, significantly more efficient protection
Main control chip, D1 diodes prevent K+ and K- reversal connections, R2 resistance current limlitings, prevent the light emitting diode inside optocoupler from burning out, R1
Resistance plays pull-up, strengthens output drive strength signal, and R3 resistance is back-up circuit；
Motor-drive circuit：Motor-drive circuit is that the low-voltage that is exported by control single chip computer, low current signal are controlled
High voltage processed, the motor 6 of high current, make the stabilization of speed of motor 6, torsion foot, changing the level height of IN1, IN2 pin can control
Rotating forward, reversion and the stopping of motor 6 processed, serve the purpose of controlled motor 6, isolate R5 resistance and power supply, C5, C6 electric capacity be for
Eliminate the external interference effect of spark.
One of the present embodiment has particular application as：After circuit board 5 receives signal, by handling and judging so as to driving electricity
Machine 6 rotates, and the leading screw band movable slider 9 of the front end of motor 6 moves, and the inclined-plane compressing of sliding block 9 makes the inclined-plane of briquetting 10 sliding on sliding block 9
It is dynamic, because briquetting 10 is spacing by metal column 13, it can only move up and down, the shell fragment 8 on sliding block 9 is moved to sliding block 9 and metal
After post 13 contacts, circuit board 5 detects that stopping motor 6 during signal rotates, and now briquetting 10 arrives peak, two above briquetting 10
Arrange top body and push down safety belt 11, safety belt 11 is not moved freely, circuit board 5 detects controlled motor 6 when eye-splice is untied
Safety belt 11 is untied in opposite direction rotation, and motor 6 stops operating after shell fragment 8 touches metal column 13, the free movement of safety belt 11；
Circuit board 5 is connected with automobile circuit system, according to the reminding passengers of car belt 11 fasten the safety belt 11 signal come
Controlled motor 6, when passenger fasten one's safety belt 11 after, automobile eye-splice detects action, and the circuit inside safety belt buckle disconnects, peace
The signal lamp of full band 11 just extinguishes, and at this moment circuit board 5 detects that circuit disconnects, and motor 6 works after treatment, passenger's solution
After driving safety belt 11, the signal lamp of safety belt 11 is bright, and at this moment circuit board 5 detects that circuit is connected, after treatment the work of motor 6
Make.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of car belt ribbon limiter lockable mechanism, including upper pendant (3), connector (1) and lockable mechanism and safety
Band (11), it is characterised in that：The upper pendant (3), connector (1) and lockable mechanism are flexibly connected successively, and upper pendant (3) and
Connected between connector (1) by band (2), the lockable mechanism includes bottom plate (4), circuit is provided with the bottom plate (4)
Plate (5) and motor (6), the clutch end of the motor (6) are provided with leading screw, and the outside screw of the leading screw is connected with sliding block
(9) shell fragment (8), is connected with the sliding block (9), two groups of metal columns (13), and shell fragment (8) are provided with the circuit board (5)
It is arranged between two groups of metal columns (13), the shell fragment (8) and two groups of metal columns (13) are electrically connected with circuit board (5), institute
State the agile signal wire (14) of circuit board (5) and pass through the positive and negative corresponding connection of wire harness, the cunning with the eye-splice signal wire (15) of automobile
The side of block (9) is provided with briquetting (10), and the contact surface of the sliding block (9) and briquetting (10) is inclined-plane, and briquetting (10) connect
Contacting surface side, the open side of the bottom plate (4) is connected with lid (12), and upper lid (12) is fixed by self threading pin and bottom plate (4),
The safety belt (11) is arranged between briquetting (10) and upper lid (12).
A kind of 2. car belt ribbon limiter lockable mechanism according to claim 1, it is characterised in that：The circuit board
(5) it is fixedly connected on by self threading pin in bottom plate (4).
A kind of 3. car belt ribbon limiter lockable mechanism according to claim 1, it is characterised in that：The motor
(6) it is fixed on by motor fixture (7) on bottom plate (4), and motor fixture (7) is fixedly connected on bottom plate by self threading pin
(4) in.
A kind of 4. car belt ribbon limiter lockable mechanism according to claim 1, it is characterised in that：The bottom plate
(4) limited block that restricted briquetting (10) moves left and right is fixedly installed in inner chamber.
A kind of 5. car belt ribbon limiter lockable mechanism according to claim 1, it is characterised in that：The upper lid
(12) madial wall is pasted with silica gel piece.
A kind of 6. car belt ribbon limiter lockable mechanism according to claim 1, it is characterised in that：The briquetting
(10) top body is provided with outer face.
A kind of 7. control system of car belt ribbon limiter lockable mechanism, it is characterised in that：Become including governor circuit, voltage
Change circuit, optical coupling isolation circuit, motor-drive circuit.
Governor circuit：Main control chip is using this main control singlechip of STC15W401AS, when there is input action signal outside
When, after main control singlechip quickly gathers external input signal, and input signal is judged, logical operation, then passed through
Controlled motor driving chip carrys out the operating of indirect controlled motor (6)；
Voltage conversion circuit：12 volts of voltages of outside input pass through the volt linear power supply voltage stabilizings of this DC-DC 5 of LM2940CS-5.0
The output voltage that chip can be stablized, C1, C3 electric capacity and C4, C2 electric capacity are respectively voltage stabilizing chip input and output filtering
Electric capacity, the AC ripple composition contained in direct current is filtered out, finally exports stable 5V voltages from LM2940CS-5.0 3 pin,
Stable, sufficient electric energy is provided for whole system, meanwhile, the controlled voltage of 12 volts of voltages of input as motor drive ic
Motor (6) operates, and C1, C2 electric capacity filter out low-frequency ripple, and C3, C4 electric capacity filter out high frequency ripple, circuit during safety belt buckling free
In closure state (having individual normally closed switch inside eye-splice), controller detects that agile signal wire (14) is high level state, sentences
It is set to and does not fasten the safety belt, after fastening one's safety belt, the normally closed switch inside eye-splice is disconnected, and controller detects agile signal wire
(14) it is low level state, is judged to having fastened seat belts；
Optical coupling isolation circuit：Security isolation is carried out to the signal of outside input, optocoupler inner workings are to change electric signal
Into optical signal, then electric signal is converted optical signals into, this prevents the high impulse of outside, high current, high voltage input letter
Number it is directly inputted on the pin of main control singlechip, actually realizes the matching of signal, it is significantly more efficient to protect master
Chip is controlled, D1 diodes prevent K+ and K- reversal connections, R2 resistance current limlitings, prevent the light emitting diode inside optocoupler from burning out, R1 resistance
Play pull-up, strengthen output drive strength signal, R3 resistance is back-up circuit；
Motor-drive circuit：Motor-drive circuit is that the low-voltage that is exported by control single chip computer, low current signal control height
The motor (6) of voltage, high current, make motor (6) stabilization of speed, torsion foot, changing the level height of IN1, IN2 pin can control
Rotating forward, reversion and the stopping of motor (6) processed, serve controlled motor (6) purpose, isolate, C5, C6 electric capacity R5 resistance and power supply
It is to eliminate the external interference effect of spark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813368.3A CN107554479A (en) | 2017-09-11 | 2017-09-11 | A kind of car belt ribbon limiter lockable mechanism and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813368.3A CN107554479A (en) | 2017-09-11 | 2017-09-11 | A kind of car belt ribbon limiter lockable mechanism and its control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107554479A true CN107554479A (en) | 2018-01-09 |
Family
ID=60979916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813368.3A Pending CN107554479A (en) | 2017-09-11 | 2017-09-11 | A kind of car belt ribbon limiter lockable mechanism and its control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107554479A (en) |
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Effective date of abandoning: 20201127 |