CN208715145U - A kind of safety belt monitoring system using Worm and worm-wheel gearing - Google Patents
A kind of safety belt monitoring system using Worm and worm-wheel gearing Download PDFInfo
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- CN208715145U CN208715145U CN201821249695.7U CN201821249695U CN208715145U CN 208715145 U CN208715145 U CN 208715145U CN 201821249695 U CN201821249695 U CN 201821249695U CN 208715145 U CN208715145 U CN 208715145U
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- worm
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- safety belt
- worm screw
- gear
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Abstract
The utility model discloses a kind of safety belt monitoring system using Worm and worm-wheel gearing, seat belt status detection sensor is provided in seat belt retractor, safety belt extension elongation proportion is driven into potentiometer by Worm Wheel System, and by PCB circuit board output resistance to locking monitor control mechanism.Safety belt monitoring system is innovatively proposed, the whether empty system of safety belt is determined by monitoring the extension elongation of safety belt, has accurately monitoring alarm and reminding function, non-normal use safety belt user is reminded to fasten seat belts.It is monitored information feedback by way of potentiometer output resistance, without additional power supply, prevents the false alarm under electroless state from happening.Safety belt is stretched out by the effective travel that displacement is converted to potentiometer after matching using Worm Wheel System mode, meets the use demand of potentiometer.Space requirement is low, is able to satisfy implantation demand.Whole design is ingenious, reliable, improves indirectly and multiplying for power-driven tool drives safety.
Description
Technical field
The utility model relates to a kind of safety belt monitoring system more particularly to a kind of peaces using Worm and worm-wheel gearing
Full band monitoring system, belongs to the technical field that safe driving ensures monitoring system.
Background technique
Safety belt just had existed for before automotive practical is novel, and 1885, Europe generally used carriage, peace at that time
Only simple passenger in order to prevent throws full band from carriage.Started safety belt occur on aircraft by 1910.1922
Year, the sport car on cycling track begins to use safety belt, and to nineteen fifty-five, U.S.'s ford car starts dress safety belt, overall next
Say the safety belt in this period based on two-point belt.Nineteen fifty-five aircraft designer's Neil this arrive Volvo Aktiebolaget's work
Make later utility model three-point safety belt.1963, Volvo Aktiebolaget start Neil this bikini automobile peace
Full band registration, and assembled on self-produced automobile.Nineteen sixty-eight, the U.S. provide that the seat of car face forward is intended to installation safety
Band, the developed countries such as Europe and Japan have also formulated automobile passenger in succession must wear the regulation of safety belt.The Ministry of Public Security, China in
Promulgated on November 15th, 1992 notice, it is specified that from July 1st, 1993, all minibuses (including car, jeep, bread
Vehicle, minicar) driver and front row seat rider must use of seat belts." law on road traffic safety " the 51st article of regulation:
When motor-driven vehicle going, driver, passenger should use according to regulations safety belt.Most popular at present is three-point seat
Band.
In the prior art, it either uses of seat belts and controller or is directly controlled using BCM Body Control Module (BCM),
To judge whether passenger fastens safety by checking seating pressure sensor (SBR) and safety belt lock catch (Buckle) state
Band.
It is existing when driver and passenger are using additional safe buckle, and after additional safe buckle is inserted into safety belt lock catch
Safety belt controller and car body control module will be considered that driver and passenger have fastened seat belts, thus without remind；
When on seat without sitting people, safety belt is pulled out in advance, and safe buckle is plugged directly into safety belt lock catch
(Buckle) in, at this time if someone takes seat, safety belt void system is caused.The safety belt of void system is to driver and passenger without any
Protection, but safety belt controller and car body control module will be considered that driver and passenger have fastened seat belts, thus without mentioning
It wakes up.
Therefore, safety belt tie-down monitoring is only carried out by traditional seating pressure sensor and safety belt lock catch state to deposit
It in loophole, does not ensure that passenger has fastened safety belt, occurs so as to cause the dangerous situation in traffic accident.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, for can not monitor safety belt in the prior art
The problem of whether substance is in place, proposes a kind of safety belt monitoring system using Worm and worm-wheel gearing.
In order to achieve the above object, the technology employed by the present utility model is
A kind of safety belt monitoring system using Worm and worm-wheel gearing is applied in power-driven tool, the motor-driven work
Tool includes seat and the safe tape cell being arranged on the seat, and the safe tape cell includes seat belt retractor, safety
Band, safety belt lock buckle mechanism and locking monitor control mechanism, the power-driven tool is interior to be equipped with alert mechanism,
The locking monitor control mechanism includes safety belt controller, BCM Body Control Module,
It is equipped with the seat belt status for monitoring the safety belt extension elongation in the seat belt retractor and detects sensing
Device, the locking monitor control mechanism communicate with seat belt status detection sensor, safety belt lock buckle mechanism, alert mechanism company respectively
It connects,
The seat belt status detection sensor includes sensor housing, be equipped in the sensor shell body transmission main shaft,
Export rack gear and for it is described locking monitor control mechanism output resistance PCB circuit board,
The transmission main shaft is connected with the shaft in the seat belt retractor,
The PCB circuit board be equipped with the potentiometer interferenceed of output rack gear and with the locking monitor control mechanism phase
The connector of communication connection,
The transmission mechanism for adjusting transmission ratio is equipped between the transmission main shaft and the output rack gear,
The transmission mechanism include the first end worm screw being arranged on the transmission main shaft and setting it is described just end worm screw with
At least one transmission worm gear worm screw between the output rack gear, it is described just end worm screw and the output rack gear respectively with the biography
Dynamic worm and gear is meshed mating.
Preferably, the threshold values control for monitoring the PCB circuit board output resistance is equipped in the locking monitor control mechanism
Device processed.
Preferably, the transmission mechanism includes the first transmission worm gear worm screw and the second transmission worm gear worm screw,
The just end worm screw is meshed with the worm gear of the first transmission worm gear worm screw, the first transmission worm gear worm screw
Worm screw is meshed with the worm gear of the second transmission worm gear worm screw, the worm screw of the second transmission worm gear worm screw and the output gear
Item is meshed.
Preferably, the just transmission ratio of end worm screw and the first transmission worm gear worm screw is 5~6；
The transmission ratio of the first transmission worm gear worm screw and the second transmission worm gear worm screw is 5~6.
Preferably, the just transmission ratio of end worm screw and the first transmission worm gear worm screw is 5.2；
The transmission ratio of the first transmission worm gear worm screw and the second transmission worm gear worm screw is 5.2.
The beneficial effects of the utility model are mainly reflected in:
1. innovatively proposing safety belt monitoring system, whether safety belt is determined by monitoring the extension elongation of safety belt
Void system has accurately monitoring alarm and reminding function, non-normal use safety belt user is reminded to fasten seat belts.
2. being monitored information feedback by way of potentiometer output resistance, without additional power supply, prevent without electric shape
False alarm under state happens.
3. safety belt is stretched out by the effective travel that displacement is converted to potentiometer after matching using Worm Wheel System mode,
Meet the use demand of potentiometer.
4. space requirement is low, it is able to satisfy the demand of implantation seat belt retractor.
5. whole design is ingenious, reliable, improves indirectly and multiplying for power-driven tool drive safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Worm and worm-wheel gearing in the utility model.
Fig. 2 is the section view diagram of Worm and worm-wheel gearing in the utility model.
Fig. 3 is the overall structure diagram of the utility model safety belt monitoring system.
Specific embodiment
The utility model provides a kind of safety belt monitoring system using Worm and worm-wheel gearing.Below in conjunction with attached drawing pair
Technical solutions of the utility model are described in detail, so that it is more readily understood and grasps.
A kind of safety belt monitoring system using Worm and worm-wheel gearing is applied in power-driven tool, as shown in figure 3,
Power-driven tool includes seat 1 and the safe tape cell that is arranged on seat 1, and safe tape cell includes seat belt retractor 2, safety
Band 3, safety belt lock buckle mechanism 4 and locking monitor control mechanism 5, power-driven tool is interior to be equipped with alert mechanism.
It specifically describes, power-driven tool includes motor vehicles, power vessels, power-driven plane etc., and power-driven tool can be present
Safe tape cell is set on chair 1, driver, passenger etc., when there is emergency episode, human body pair are fastened by safety belt
There are an instant impacts for safety belt 3, under the impact force action, 2 locking safety belt of seat belt retractor, in safety belt
Under protective effect human body will not inertia wash from conduct, this principle belongs to the prior art.
According to traffic method relevant regulations, when taking motor vehicles, it is currently to pass through safety that needs, which are fastened seat belts,
Whether the belt buckle 31 for being monitored safety belt with buckle mechanism 4 assembles in place, to issue associated monitoring information to lock
Tight monitor control mechanism 5, by monitor state selective actuation alert mechanism, so that personnel be reminded to wear safety belt.
In addition, also having using seat sensor, 4 cooperative monitoring of belt latch mechanism, i.e., when seat sensor monitors
When people is sat on the seat, the function triggering of belt latch mechanism 4 can be just triggered.
And generally, locking monitor control mechanism includes safety belt controller, BCM Body Control Module, that is, passes through safety belt controller
It is monitored or is monitored by BCM Body Control Module, this principle belongs to the prior art.
In this case, it is equipped with the seat belt status for monitoring 3 extension elongation of safety belt in seat belt retractor 2 and detects biography
Sensor 6, locking monitor control mechanism 5 communicate with seat belt status detection sensor 6, safety belt lock buckle mechanism 5, alert mechanism respectively
Connection.
It specifically describes, the extension elongation of safety belt 3 can be monitored by the seat belt status detection sensor 6, thus
It can ensure that passenger seatbelt wearing in place, reduce the injures and deaths risk of traffic accident.
Principle explanation, it is well known that many motor vehicle driving personnel pass through purchase monomer hasp or safety belt is empty at present
The mode of system evades the security alarm of vehicle, is difficult to carry out the substantive monitoring for fastening safety belt, this case passes through monitoring safety belt
The length being stretched carries out substantive monitoring.For example, safety belt extension elongation is not in reasonable model at this time when safety belt void is
It encloses, therefore vehicle still carries out alarm, personnel is reminded to carry out safety belt disposition in place.
Refinement ground, seat belt status detection sensor 6 include sensor housing 61, and transmission master is equipped in sensor housing 61
Axis 7 exports rack gear 8 and rolls up for the PCB circuit board 9 to locking 5 output resistance of monitor control mechanism, transmission main shaft 7 and safety belt
The shaft 21 received in device 2 is connected, i.e., transmission main shaft 7 and shaft 21 are servo-actuated or the two is unified, and PCB circuit board 9 is equipped with
The connector 92 of the potentiometer 91 and the connection that communicates with locking monitor control mechanism 5 interferenceed with output rack gear 8, output rack gear 8 are
It is able to achieve the swing offset of potentiometer 91, to generate resistance value output, is equipped with and is used between transmission main shaft 7 and output rack gear 8
The transmission mechanism of transmission ratio is adjusted, i.e., safety belt stretching displacement is converted to the linear displacement of output rack gear 8 by ratio.
Specific embodiment is as depicted in figs. 1 and 2, transmission mechanism include the first end worm screw 71 being arranged on transmission main shaft 7 and
Just end worm screw 71 is set and exports at least one transmission worm gear worm screw between rack gear 8, just holds worm screw 71 and output rack gear 8
Be meshed with worm and gear mating respectively.
Principle explanation, pulls safety belt 3, and safety belt 3 is stretched out from seat belt retractor 2, drives safety during stretching out
Shaft 21 in Webbing retractor 2 rotates, transmission main shaft 7 and 21 coaxial rotating of shaft, and first end worm screw 71 thereon passes through transmission snail
Transmission of the worm and gear 10 to the output of output rack gear 8 after transmission proportion, it is defeated that output rack gear 8 drives potentiometer 91 to generate resistance value
Out.After unlocking safety belt, safety belt self-return, potentiometer resets, and resistance value exports return origin.
Potentiometer 91 is made to export different resistance outward by circuit board 9 and connector 92 by mechanical mode
Value, locking monitor control mechanism 5 judge whether safety belt stretching meets the requirements to selectivity triggering alarm by the resistance value.
In addition, the design of transmission mechanism can easily be accommodated transmission ratio, it is well known that potentiometer 91 has certain effective row
Journey, and the extension elongation of safety belt 3 is longer, can not adapt to the effective travel of potentiometer 91, can adjust transmission by transmission mechanism
Than meeting the effective travel demand of potentiometer 91 so that longer extension elongation to be converted to shorter stroke.
It should be noted that the whole rotating cycles about 15 of seat belt retractor 2 enclose, output can control by being driven proportion
The linear displacement of rack gear 8 meets 91 effective travel of potentiometer.
More refinement ground explanation, the interior threshold values control being equipped with for monitoring 9 output resistance of PCB circuit board of locking monitor control mechanism 5
Device processed, threshold values controller is interior to be equipped with threshold values, the starting alarm when output resistance is less than the threshold values.
Refinement description is carried out to transmission mechanism, transmission mechanism includes the first transmission worm gear worm screw 10 and the second transmission worm gear snail
Bar 20.Specifically, worm screw 71 is just held to be meshed with the worm gear 101 of the first transmission worm gear worm screw 10, the first transmission worm gear worm screw
10 worm screw 102 is meshed with the worm gear 201 of the second transmission worm gear worm screw 20, the worm screw 202 of the second transmission worm gear worm screw 20 with
Output rack gear 8 is meshed.After the transmission of twice transmission worm gear worm screw proportion, transmission main shaft 7 and output can be greatly adjusted
The transmission ratio of rack gear 8 meets the effective travel demand of potentiometer 91.
Transmission ratio is optimized, just holding the transmission ratio of worm screw 71 and the first transmission worm gear worm screw 10 is 5~6；First passes
Dynamic worm and gear 10 and the transmission ratio of the second transmission worm gear worm screw 20 are 5~6.
The occupied space of transmission worm gear worm screw is smaller, is so able to satisfy the space setting demand in belt retractor 2.
In optimum embodiment, just holding the transmission ratio of worm screw 71 and the first transmission worm gear worm screw 10 is 5.2；First transmission worm gear
The transmission ratio of worm screw 10 and the second transmission worm gear worm screw 20 is 5.2, meets actual demand.
Finally, transmission uses involute gear worm-drive form, worm and gear, rack gear material use POM, PA, PBT
Equal high molecular materials, material wear-resistant and performance are stablized, and can satisfy the requirement of safety belt life-cycle completely；The utility model uses snail
Worm and gear driving form, worm gear transmission ratio is big, compact-sized, is more suitable for small space connector.
By above description it can be found that the utility model safety belt monitoring system, innovatively proposes safety belt monitoring
System determines the whether empty system of safety belt by monitoring the extension elongation of safety belt, has accurately monitoring alarm and reminding function,
Non- normal use safety belt user is reminded to fasten seat belts.It is anti-that information is monitored by way of potentiometer output resistance
Feedback prevents the false alarm under electroless state from happening without additional power supply.Safety belt is stretched using Worm Wheel System mode
It is displaced the effective travel for being converted to potentiometer after matching out, meets the use demand of potentiometer.Space requirement is low, is able to satisfy
It is implanted into the demand of seat belt retractor.Whole design is ingenious, reliable, improves indirectly and multiplying for power-driven tool drives safety.
The technical solution of the utility model is fully described above, it should be noted that the tool of the utility model
Body embodiment is simultaneously not limited by the description set out above, and those skilled in the art exist according to the Spirit Essence of the utility model
All technical solutions that structure, method or function etc. are formed using equivalents or equivalent transformation, all fall within this reality
Within novel protection scope.
Claims (5)
1. a kind of safety belt monitoring system using Worm and worm-wheel gearing is applied in power-driven tool, the power-driven tool
Including seat and the safe tape cell that is arranged on the seat, the safe tape cell include seat belt retractor, safety belt,
Safety belt lock buckle mechanism and locking monitor control mechanism, the power-driven tool is interior to be equipped with alert mechanism,
The locking monitor control mechanism includes safety belt controller, BCM Body Control Module,
It is characterized by:
The seat belt status detection sensor for monitoring the safety belt extension elongation, institute are equipped in the seat belt retractor
Locking monitor control mechanism is stated to communicate and connect with seat belt status detection sensor, safety belt lock buckle mechanism, alert mechanism respectively,
The seat belt status detection sensor includes sensor housing, and transmission main shaft, output are equipped in the sensor shell body
Rack gear and for it is described locking monitor control mechanism output resistance PCB circuit board,
The transmission main shaft is connected with the shaft in the seat belt retractor,
The PCB circuit board is equipped with the potentiometer interferenceed with the output rack gear and communicates with the locking monitor control mechanism
The connector of connection,
The transmission mechanism for adjusting transmission ratio is equipped between the transmission main shaft and the output rack gear,
The transmission mechanism include the first end worm screw being arranged on the transmission main shaft and setting it is described just end worm screw with it is described
Export rack gear between at least one transmission worm gear worm screw, it is described just end worm screw and the output rack gear respectively with the transmission snail
Worm and gear is meshed mating.
2. a kind of safety belt monitoring system using Worm and worm-wheel gearing according to claim 1, it is characterised in that: institute
State the threshold values controller being equipped in locking monitor control mechanism for monitoring the PCB circuit board output resistance.
3. a kind of safety belt monitoring system using Worm and worm-wheel gearing according to claim 2, it is characterised in that: institute
It states transmission mechanism and includes the first transmission worm gear worm screw and the second transmission worm gear worm screw,
Worm screw is held to be meshed at the beginning of described with the worm gear of the first transmission worm gear worm screw, the worm screw of the first transmission worm gear worm screw
It is meshed with the worm gear of the second transmission worm gear worm screw, the worm screw of the second transmission worm gear worm screw and the output rack gear phase
Engagement.
4. a kind of safety belt monitoring system using Worm and worm-wheel gearing according to claim 3, it is characterised in that:
The just transmission ratio of end worm screw and the first transmission worm gear worm screw is 5~6；
The transmission ratio of the first transmission worm gear worm screw and the second transmission worm gear worm screw is 5~6.
5. a kind of safety belt monitoring system using Worm and worm-wheel gearing according to claim 4, it is characterised in that:
The just transmission ratio of end worm screw and the first transmission worm gear worm screw is 5.2；
The transmission ratio of the first transmission worm gear worm screw and the second transmission worm gear worm screw is 5.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249695.7U CN208715145U (en) | 2018-08-04 | 2018-08-04 | A kind of safety belt monitoring system using Worm and worm-wheel gearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821249695.7U CN208715145U (en) | 2018-08-04 | 2018-08-04 | A kind of safety belt monitoring system using Worm and worm-wheel gearing |
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| Publication Number | Publication Date |
|---|---|
| CN208715145U true CN208715145U (en) | 2019-04-09 |
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ID=65976288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821249695.7U Expired - Fee Related CN208715145U (en) | 2018-08-04 | 2018-08-04 | A kind of safety belt monitoring system using Worm and worm-wheel gearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791181A (en) * | 2018-08-04 | 2018-11-13 | 苏州启威电子有限公司 | A kind of safety belt monitoring system using specific turbine and worm transmission mechanism |
-
2018
- 2018-08-04 CN CN201821249695.7U patent/CN208715145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791181A (en) * | 2018-08-04 | 2018-11-13 | 苏州启威电子有限公司 | A kind of safety belt monitoring system using specific turbine and worm transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190409 |