CN104149840A - Automatic locking device capable of automatic deflection of automobile steering wheel - Google Patents
Automatic locking device capable of automatic deflection of automobile steering wheel Download PDFInfo
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- CN104149840A CN104149840A CN201410337761.6A CN201410337761A CN104149840A CN 104149840 A CN104149840 A CN 104149840A CN 201410337761 A CN201410337761 A CN 201410337761A CN 104149840 A CN104149840 A CN 104149840A
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- vehicle
- hydraulic
- locking device
- steering wheel
- bearing circle
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Abstract
The invention relates to an automatic locking device capable of automatic deflection of an automobile steering wheel. The automatic locking device mainly comprises a steering wheel case, a hydraulic oilway control unit, an alarm circuit controller, a hydraulic oilway, an automotive ECU (electronic control unit), an alarming horn and a locking mechanism, wherein the steering wheel case comprises a pressure sensing device, and the locking mechanism is arranged on the lower portion of the steering wheel. The pressure sensing device is made of soft materials and can sleeve the steering wheel, and the alarm device is connected with the pressure sensing device and capable of sending alarm. The automatic locking device easy to mount and for the steering wheel aims to overcome automatic rotation of the steering wheel and is simple in structure, convenient to use and high in operation efficiency.
Description
Technical field
The invention discloses a kind of automatic locking device under rotation situation voluntarily of bearing circle in vehicle traveling process of tackling.Be used for solving when vehicle steering rotates voluntarily, carry out timely early warning and moment lock in emergency, ensure automotive safety.
Background technology
At present, along with people's living standard constantly improves, the use of automobile is more and more universal.But, being accompanied by increasing of automobile, traffic accident also more and more takes place frequently.Occur traffic accident have quite a few reason be due to chaufeur in the process driving a car consciously or unconsciously between both hands departure direction dish, so that in the process of moving, particularly jolt on road surface, bearing circle there will be oneself to rotate automobile steering is deflected, so that traffic accident occurs.
How to avoid better the generation of this kind of accident, a lot of individual both domestic and external and mechanism have also done a large amount of research, also some bearing circle early warning or Locking Devices have been designed, as the bearing circle with pressure sensitive sensor, there is WiFi and control the Intelligent electric-heating direction indicators cover of function, the wheel steering locking device of all-terrain vehicle etc., its feasibility is poor, and cost is high, is unfavorable for promoting, the interlock of early warning and locking can not be realized, the generation of accident cannot be effectively avoided.
Summary of the invention
The content of patent of the present invention is in order to overcome autonomous the rotating of above-mentioned bearing circle, and a kind of easy vehicle steering automatic locking device is provided, and this apparatus structure is simple, easy to use, and work efficiency is high.
For achieving the above object, the present invention adopts following technical proposals:
Prevent that vehicle steering is from an automatic locking device for horizontal deflection, comprise direction indicators cover, hydraulic circuit control unit, warning circuit controller, hydraulic circuit, vehicle-mounted ECU, alarming horn and a lockable mechanism that is positioned at bearing circle bottom etc. with pressure perception sensing device.Described pressure detecting sensor is flexible material, can be enclosed within on bearing circle, and warning device can send chimes of doom.
The warning circuit controller of described vehicle steering respectively has two enable/closing switchs, and one is source switch, and another is alarm horn switch.Hydraulic Pump electric power system also has an independent outside connected switch, with person easy to use, in driving way, enables/close this device.
Described pressure perception sensing device will have certain elasticity, can be close on bearing circle, there will not be loosening.
Described pressure perception sensing device is divided into two parts in left and right, can distinguish the pressure condition of perceived direction dish the right and left.
Described lockable mechanism, is characterized in that, adopts hydraulic actuating cylinder locking mode, by oil circuit control, realizes the change to hydraulic ram pushrod movement mode of operation.
Described lockable mechanism can be installed at below bearing circle, and warning circuit controller and hydraulic control unit are installed at respectively on lockable mechanism shell.
Principle of work of the present invention
In vehicle traveling process, when pressure perception sensor senses is to two hands departure direction dish all, be that surface of steering wheel is not while there is no pressure sensitive, signal is passed to vehicle-mounted ECU, vehicle-mounted ECU sends signal to special hydraulic circuit control unit, the flow direction of controlling hydraulic oil in hydraulic circuit, realizes the locking of hydraulic actuating cylinder to bearing circle, prevents that bearing circle from spinning.When pressure perception sensor senses has pressure sensitive to surface of steering wheel, signal is passed to vehicle-mounted ECU again, and vehicle-mounted ECU sends signal to special hydraulic circuit control unit, controls the flow direction of hydraulic oil in hydraulic circuit, again control the flow direction of hydraulic oil in hydraulic circuit, unlocking direction dish.When arriving assigned address respectively, touches clamping device piezoelectric transducer, piezoelectric transducer sends position signal to vehicle-mounted ECU, vehicle-mounted ECU sends signal to special hydraulic circuit control unit, can carry out pressurize to hydraulic circuit, keeps clamping mechanism position to stablize constant.When bearing circle two parts in about perceive any one part and there is no pressure sensitive, signal is passed to warning device, now alarm activation, send lasting chimes of doom, when singlehanded departure direction dish, can send interrupted alarm song, remind chaufeur to note driving safety.
The invention has the beneficial effects as follows can be at chaufeur consciously or unconsciously during both hands departure direction dish, and locking bearing circle, can prevent that bearing circle from occurring, without the rotation of controlling, to reduce the possibility that traffic accident occurs by actv. automatically; During singlehanded departure direction dish, can send interrupted alarm song, two hands leave as rapid alarm simultaneously, sending lasting alarm bell reminds chaufeur to note driving safety, and this device is furnished with enable/closing switch, when not needing this device, close swap switch, can select for chaufeur, chaufeur and occupant's safety in guarantee vehicle traveling process.
Accompanying drawing explanation
Fig. 1 is patent external structure schematic diagram of the present invention.
As shown in the figure, a kind of vehicle steering automatic locking device of easy installation, comprise the pressure perception sensing device 4 that can be enclosed within surface of steering wheel, hydraulic circuit control unit 6, Hydraulic Pump source switch 7, warning circuit controller 8, warning circuit controller power source, alarm horn switch 9, lockable mechanism 1, hydraulic circuit 10, alarming horn 5, vehicle-mounted ECU etc.Wherein 2 is bearing circle, and 3 is steering shaft.
Fig. 2 is patent control principle schematic diagram of the present invention.
1 is pressure sensor device, and 2 is resilient soft direction indicators cover material.
Pressure perception sensing device adopts soft and has certain elastomeric material, can be close to the surface of bearing circle, can not become flexible.
Fig. 3 is warning circuit controller control unit schematic circuit diagram.
Fig. 4 is hydraulic circuit control unit schematic circuit diagram.
Fig. 5 is the refinement schematic diagram of lockable mechanism inner structure.
Fig. 6 is hydraulic circuit schematic diagram.
1 is hydraulic ram, and 2 is change-over valve, and 3 is by pass valve, and 4 is Hydraulic Pump, and 5 is oil sump tank.
Fig. 3 is the refinement schematic diagram of warning circuit.
Switch 1 is defined as the switch of power supply, and when power key, to press lamp bright; Switch 2 is defined as the switch of alarm bell, is defaulted as unlatching, is that lamp is bright when pressing, for alarm bell lost efficacy.Pressure sensor is selected suitable model, is preferably with temperature compensating because environment inside car is complicated, thereby and hold for a long time also and can change the accuracy rate that temperature affects sensor, adopt bridge circuit can better detect change of voltage.Because the voltage of sensor is smaller, so need amplifying circuit, the transmission of sensor in addition complicated can the generation of vehicle condition is disturbed, and amplifier also amplified noise, adopts filter to prevent the alarm making the mistake on after input impact.Safety monitoring mechanism when two hands are not during large face machine, does not export high level for making, and mechanism will give the alarm.Alarm bell act as the interrupted sound of alarm bell when any one hand leaves, two hands leave as rapid alarm simultaneously, safety monitoring mechanism monitors extremely and can send lasting alarm bell in addition.
Power supply can also can be used vehicle power acquiescence 12v voltage by choice for use charged lithium cells, and offers the charge function of battery, and battery can dismounting and change.
Fig. 5 is the refinement schematic diagram of lockable mechanism inner structure.
The 1st, hydraulic actuating cylinder, the 2nd, hydraulic push rod, the 3rd, clamping rubber, the 4th, clamping actr guide rail, the 5th, clamping actr, the 6th, lockable mechanism shell, the 7th, wheel steering axle, the 8th, yielding rubber, 9, the 10th, hydraulic ram oil inlet and outlet, the 11st, guide rail positioning boss, 12,13 is piezoelectric transducer.The position of clamping actr is as shown in Figure 4 off working state, steering shaft is now free to rotate, pressure sensor on bearing circle is experienced when without pressure signal, now control change-over valve core in left position, hydraulic ram is started working, clamping actr starts along guide rail close to steering shaft respectively, clamping wheel steering axle, the piezoelectric transducer that now clamps rubber inside produces piezoelectric signal, piezoelectric transducer sends position signal to vehicle-mounted ECU, vehicle-mounted ECU sends signal to special hydraulic circuit control unit, now again control change-over valve core in meta, the pipeline of the oil inlet and outlet of hydraulic ram is closed respectively, after clamping, hydraulic actuating cylinder enters pressurize stabilized conditions, keep clamping mechanism position constant.When chaufeur is possessed bearing circle, sensor spreads out of pressure signal equally, now control change-over valve core in right position, will make the oil inlet of original hydraulic ram become oil outlet, oil outlet becomes oil inlet, therefore hydraulic push rod starts along reversing sense, to move respectively, unclamp steering shaft, bearing circle is free to rotate, when arriving diagram off working state, two clamping actrs arrive respectively near guide rail positioning boss position, now the piezoelectric transducer of yielding rubber inside produces piezoelectric signal, piezoelectric transducer sends position signal to vehicle-mounted ECU, vehicle-mounted ECU sends signal to special hydraulic circuit control unit, now again control change-over valve core in meta, the pipeline of the oil inlet and outlet of hydraulic ram is closed respectively, after clamping, hydraulic actuating cylinder enters pressurize stabilized conditions, keep clamping mechanism position constant.Wherein the effect of yielding rubber is while preventing from clamping actr return and the excess impact of guide rail positioning boss.
Below in conjunction with drawings and Examples, patent of the present invention is further illustrated.
As shown in Figure 2, pressure perception sensing device 1 material therefor should have certain elasticity, can be enclosed within on bearing circle and use like this.
During use, pressure perception sensing device is enclosed within on vehicle steering; Lockable mechanism is installed to bearing circle below; Power supply above warning circuit controller and alarm horn switch are opened, and Hydraulic Pump source switch is opened.
As shown in Figure 4, switch is defined as the switch of power supply, controls the break-make of Hydraulic Pump power supply, turns on lamp bright, closes lamp and goes out.A1 is for controlling the left magnet switching electricity electric signal of electromagnetic valve, a2 is for controlling the power on/off signal of the right electromagnet of electromagnetic valve, the electric signal that p starts for controlling Hydraulic Pump, when electromagnetic valve right side electromagnet is switched on, valve core of the electromagnetic valve is in left position, when the electromagnet energising of electromagnetic valve left side, valve core of the electromagnetic valve is in right position, and when electromagnetic valve electromagnet is all during no power, valve core of the electromagnetic valve is in meta, during electromagnetic valve power on/off, Hydraulic Pump is power on/off simultaneously.
As shown in Figure 6, this oil return line adopts a three position four-way directional control valve to control two hydraulic rams, when bearing circle is during without pressure signal, sensor issues a signal to vehicle-mounted ECU, vehicle-mounted ECU is transported to hydraulic control unit by control signal, now Hydraulic Pump is started working, change-over valve is in left position this moment, hydraulic oil arrives respectively the left chamber of two Hydraulic Pumps from hydraulic oil pump, two hydraulic push rods move right, and now drives clamping actr close to steering shaft respectively, compress steering shaft, in order to maintain this kind, step up state, change-over valve, in meta, is realized pressurize.When bearing circle pressure sensor is experienced pressure signal, now control two change-over valve commutations, change-over valve is in right position, two hydraulic push rods are to left movement, now drive clamping actr respectively away from steering shaft, unclamp steering shaft, in order to maintain two clamping actrs in far-end state, now change-over valve, in meta, is realized pressurize.Wherein by pass valve is protected oil circuit.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of patent of the present invention is described; but the not restriction to scope of patent protection of the present invention; one of ordinary skill in the art should be understood that; on the basis of the technical scheme of patent of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (6)
1. one kind prevents that vehicle steering is from the automatic locking device of horizontal deflection, comprise a direction indicators cover with pressure perception sensing device, hydraulic circuit control unit, warning circuit controller, hydraulic circuit, vehicle-mounted ECU, alarming horn and a lockable mechanism that is positioned at bearing circle bottom, wherein, described pressure detecting sensor is used for whether departure direction dish of perception chaufeur both hands, it is connected with vehicle-mounted ECU, and signal is passed to vehicle-mounted ECU, described pressure detecting sensor is flexible material, be enclosed within on bearing circle, when pressure perception sensor senses arrives surface of steering wheel without pressure sensitive, it passes to vehicle-mounted ECU by signal, vehicle-mounted ECU is passed to hydraulic circuit control unit by signal, control the flow direction of hydraulic oil in hydraulic circuit, realize the locking of hydraulic actuating cylinder to bearing circle, prevent that bearing circle from spinning, when pressure perception sensor senses has pressure sensitive to surface of steering wheel, signal is passed to vehicle-mounted ECU again, and vehicle-mounted ECU sends signal to special hydraulic circuit control unit, controls the flow direction of hydraulic oil in hydraulic circuit, again control the flow direction of hydraulic oil in hydraulic circuit, unlocking direction dish.
2. claimed in claim 1ly prevent that vehicle steering from, from the automatic locking device of horizontal deflection, is characterized in that, the warning circuit controller of described vehicle steering respectively has two enable/closing switchs, and one is source switch, and another is alarm horn switch.
3. claimed in claim 2ly prevent that vehicle steering from, from the automatic locking device of horizontal deflection, is characterized in that, described pressure sensor device has certain elasticity, can be close on bearing circle, there will not be loosening.
4. claimed in claim 3ly prevent that vehicle steering from, from the automatic locking device of horizontal deflection, is characterized in that, described pressure sensor device is divided into two parts in left and right, can distinguish the pressure condition of perceived direction dish the right and left.
5. claimed in claim 4ly prevent that vehicle steering from, from the automatic locking device of horizontal deflection, is characterized in that, described lockable mechanism adopts hydraulic actuating cylinder locking mode, by oil circuit control, realizes the change to hydraulic ram pushrod movement mode of operation.
6. described in claim 1-5 any one, prevent that vehicle steering is from the automatic locking device of horizontal deflection, it is characterized in that, described lockable mechanism is arranged on the below of bearing circle, and warning circuit controller and hydraulic circuit control unit are installed at respectively on lockable mechanism shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337761.6A CN104149840B (en) | 2014-07-11 | 2014-07-11 | It is a kind of to prevent automatic locking device of the vehicle steering from horizontal deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337761.6A CN104149840B (en) | 2014-07-11 | 2014-07-11 | It is a kind of to prevent automatic locking device of the vehicle steering from horizontal deflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149840A true CN104149840A (en) | 2014-11-19 |
| CN104149840B CN104149840B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410337761.6A Expired - Fee Related CN104149840B (en) | 2014-07-11 | 2014-07-11 | It is a kind of to prevent automatic locking device of the vehicle steering from horizontal deflection |
Country Status (1)
| Country | Link |
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| CN (1) | CN104149840B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154883A (en) * | 2019-06-03 | 2019-08-23 | 南京工程学院 | A kind of frictional car steering interference preventer |
| CN113823140A (en) * | 2021-09-20 | 2021-12-21 | 中国人民解放军92228部队 | Universal driving simulation device for amphibious equipment |
| CN115042853A (en) * | 2022-06-24 | 2022-09-13 | 北京一美一佳科技有限公司 | Steering wheel auxiliary device for automatic driving vehicle |
Citations (6)
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| CN1990323A (en) * | 2005-12-29 | 2007-07-04 | 许倍强 | Hydraulic power-assisted steering system and direction dogging method |
| CN101112868A (en) * | 2006-07-26 | 2008-01-30 | 牟方成 | Automatic alarm of the steering wheel of the vehicle having an operation getting out of line |
| CN102390321A (en) * | 2011-10-09 | 2012-03-28 | 江苏大学 | Method and device for preventing driver from operating steering wheel by signal hand for long time |
| CN102785689A (en) * | 2011-05-20 | 2012-11-21 | 罗伯特·博世有限公司 | Haptic steering wheel, steering-wheel system and driver assistance system for a motor vehicle |
| CN202923556U (en) * | 2012-10-26 | 2013-05-08 | 长安大学 | Drink-driving preventive device |
| CN204222953U (en) * | 2014-07-11 | 2015-03-25 | 河北工程大学 | A kind of vehicle steering that prevents is from the automatic locking device of horizontal deflection |
-
2014
- 2014-07-11 CN CN201410337761.6A patent/CN104149840B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990323A (en) * | 2005-12-29 | 2007-07-04 | 许倍强 | Hydraulic power-assisted steering system and direction dogging method |
| CN101112868A (en) * | 2006-07-26 | 2008-01-30 | 牟方成 | Automatic alarm of the steering wheel of the vehicle having an operation getting out of line |
| CN102785689A (en) * | 2011-05-20 | 2012-11-21 | 罗伯特·博世有限公司 | Haptic steering wheel, steering-wheel system and driver assistance system for a motor vehicle |
| CN102390321A (en) * | 2011-10-09 | 2012-03-28 | 江苏大学 | Method and device for preventing driver from operating steering wheel by signal hand for long time |
| CN202923556U (en) * | 2012-10-26 | 2013-05-08 | 长安大学 | Drink-driving preventive device |
| CN204222953U (en) * | 2014-07-11 | 2015-03-25 | 河北工程大学 | A kind of vehicle steering that prevents is from the automatic locking device of horizontal deflection |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154883A (en) * | 2019-06-03 | 2019-08-23 | 南京工程学院 | A kind of frictional car steering interference preventer |
| CN110154883B (en) * | 2019-06-03 | 2021-12-24 | 南京工程学院 | Friction type automobile driving anti-interference device |
| CN113823140A (en) * | 2021-09-20 | 2021-12-21 | 中国人民解放军92228部队 | Universal driving simulation device for amphibious equipment |
| CN115042853A (en) * | 2022-06-24 | 2022-09-13 | 北京一美一佳科技有限公司 | Steering wheel auxiliary device for automatic driving vehicle |
| CN115042853B (en) * | 2022-06-24 | 2023-09-19 | 北京一美一佳科技有限公司 | Steering wheel auxiliary equipment for automatic driving vehicle |
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| Publication number | Publication date |
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| CN104149840B (en) | 2017-07-18 |
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Granted publication date: 20170718 Termination date: 20180711 |