CN103359164A - Steering wheel device for steer-by-wire vehicles - Google Patents
Steering wheel device for steer-by-wire vehicles Download PDFInfo
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- CN103359164A CN103359164A CN2013103222023A CN201310322202A CN103359164A CN 103359164 A CN103359164 A CN 103359164A CN 2013103222023 A CN2013103222023 A CN 2013103222023A CN 201310322202 A CN201310322202 A CN 201310322202A CN 103359164 A CN103359164 A CN 103359164A
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- positive stop
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002828 fuel tank Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 23
- 230000033001 locomotion Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Steering Control In Accordance With Driving Conditions (AREA)
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Abstract
The invention discloses a steering wheel device for steer-by-wire vehicles, and aims to accurately detecting the rotary angle of a steering wheel, providing a proper and adjustable road feeling for a driver, changing the work modes under different work conditions and adjusting the full-steering rotary turn numbers of the steering wheel. A driving shaft is fixedly connected with an input shaft of an angular displacement sensor by a coupler, a transmission nut and a screw shaft are mounted in a match and transmission mode, a return spring is fixedly connected with the transmission nut by a support, an electromagnet is fixedly connected with the transmission nut, an iron core of the electromagnet and a baffle are connected by a pin shaft, grooves with different lengths are arranged on the frond and rear sides of a stroke baffle, the transmission nut is fixedly connected with a linkage rod, a work oil port of an oil cylinder is correspondingly connected with a work oil port of a proportional throttle valve by a pipeline, and a differential pressure sensor is arranged between two work oil pipelines of the oil cylinder. The steering wheel device for the steel-by-wire vehicles is suitable for engineering vehicles to be used as the steer-by-wire steering wheels.
Description
Technical field
The present invention relates to a kind of vehicle steering device, specifically a kind of steering wheel arrangement for the steering-by-wire vehicle.
Background technology
The function of steering swivel system is the travel direction of maneuver vehicle, and system should be able to keep vehicle stabilization ground along straight-line travelling as required, and can change neatly as requested travel direction.Basic demand to steering swivel system is that manipulation light and flexible, working stability are reliable, use is economical durable, and turning efficiency is to guarantee vehicle safe driving, alleviates the labour intensity of chaufeur, the key factor of raising work production rate.Steering swivel system is the crucial assembly that determines vehicle safety and operating efficiency.
Along with the raising of application scenario working condition requirement and the development of current technology, the performance need of wheel steering system further improves, solve the steering sensitivity that exists in original steering swivel system and the problems such as road feel is unadjustable, complex structure, noise height, for improving turning efficiency, the scientific worker is devoted to study the steering-by-wire technology.It is to connect and each element of control steering swivel system replaces traditional machinery or hydraulic connecting by microelectronic technique.The steering-by-wire technology adopts sensor record driver's the data that turn to, and then by data line signal is passed to electric control unit (ECU) on the car, after comprehensive these and other signals of ECU judge, controls the steering angle of vehicle again.Owing to having cancelled the mechanical connection between bearing circle and the wheel flutter, the various restrictions of conventional steering system have been completely free of, design, the assembling of vehicle are greatly simplified, but also the force transfering characteristic and the angle transmission characteristic that can free design vehicle turn to are the significant innovations of wheel steering system.Particularly on construction machinery and equipment, especially loader requires higher to steering swivel system, existing main technical scheme is in the bearing circle bottom all-hydraulic steering gear to be installed, the flow that leads to steering cylinder by steering wheel rotation control, there are many problems in such steering mode, at first, because the deflector of selecting is fixed, when turning to from an end position to the bearing circle of another end position the required rotation number of turns also just fixing, when carrying out loading operation, turning to just of wide-angle can be finished the work frequently, and at this moment operator's labour intensity is very large.Secondly, chaufeur does not have suitable road feel in driving procedure, operate uncomfortable, again, because all-hydraulic steering gear need to be installed in the lower end of bearing circle, therefore, must guide to pipeline near the operator's compartment, this has just increased the complexity of fitting process and the noise in the operator's compartment.
Therefore design a kind of steering wheel arrangement for the steering-by-wire vehicle and become and be necessary very much, be conducive to promote exploitation, the development and application of wire-controlled steering system.
Summary of the invention
Steering wheel arrangement for the steering-by-wire vehicle provided by the invention, can accurately detect the anglec of rotation of bearing circle, can be for chaufeur provide adjustable, suitable road feel, and can under different operating modes, change mode of operation, adjust bearing circle and finish the rotation number of turns that entirely turns to.
In order to solve above-mentioned technical matters, the present invention adopts following technical proposals: device is mainly by mainly being comprised of drive bevel gear, stroke baffle, positive stop, block supporting seat, lead screw shaft, driving nut, gangbar, casing, oil cylinder, differential pressure transducer, proportional throttle valve, angular-motion transducer, coupler, Fill valve, fuel tank, driven wheel of differential, imput shaft, electromagnet, retracing spring and bearing circle; Described angular-motion transducer is fixedly mounted on the casing, the revolving bar of described bearing circle and the upper end of imput shaft are fixedly connected by coupler, the lower end of described imput shaft is fixedly connected by the input shaft of coupler and angular-motion transducer, the axial line of described angular-motion transducer is installed with the axial line of imput shaft is concentric, described imput shaft is installed on the casing by bearing, described drive bevel gear and imput shaft are fixedly connected, described drive bevel gear cooperates installation with the driven wheel of differential engaged transmission, described driven wheel of differential is fixedly mounted on the left end of lead screw shaft, the both sides of described lead screw shaft are installed on the casing by bearing, described driving nut cooperates installation with the lead screw shaft transmission, described driving nut and block supporting seat are fixedly connected, described positive stop is actively connected on the block supporting seat by bearing pin, described retracing spring one end and block supporting seat are fixedly connected, the described retracing spring other end and positive stop are fixedly connected, described electromagnet is installed on the block supporting seat, iron core and the positive stop of described electromagnet are actively coupled by bearing pin, described stroke baffle is fixedly mounted on the casing, described stroke baffle rear side is provided with a short groove, described stroke baffle front side is provided with a long recess, the short groove length direction center of the long recess of described stroke baffle front side and rear side overlaps, described driving nut and gangbar are fixedly connected, the take-off lever at described gangbar and oil cylinder two ends is fixedly connected, described oil cylinder actuator port is equipped with differential pressure transducer by the corresponding connection of actuator port of pipeline with proportional throttle valve between two working oil pipelines of described oil cylinder.
Be provided with two backplates on the described block supporting seat and the positive stop both sides move with the touch, only allow positive stop between two backplates, to rotate around bearing pin.On two working oil pipelines of described oil cylinder a Fill valve is set respectively, the oil inlet of Fill valve connects with fuel tank, and the fuel tank of sealing is installed on the casing.Described casing is the weldment that the both sides, front and back are provided with detachable panelling.Described positive stop is U-shaped fork structure.
Employing the invention has the beneficial effects as follows, can detect exactly the anglec of rotation of bearing circle, can provide adjustable, suitable road feel to chaufeur, and can under different operating modes, change mode of operation, adjust bearing circle and finish the rotation number of turns that entirely turns to, good application value is arranged.
Description of drawings
Fig. 1 is the front view of the steering wheel arrangement for the steering-by-wire vehicle of the present invention;
Fig. 2 is the left view of the steering wheel arrangement for the steering-by-wire vehicle of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 1.
Among the figure: drive bevel gear 1 stroke baffle 2 positive stops 3 block supporting seats 4 lead screw shaft 5 driving nuts 6 gangbar 7 casings 8 oil cylinders 9 differential pressure transducers 10 proportional throttle valves 11 angular-motion transducers 12 coupler 13 Fill valves 14 fuel tanks 15 driven wheel of differentials 16 imput shaft 17 electromagnet 18 retracing springs 19 bearing circle 20
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, this device mainly is comprised of drive bevel gear 1, stroke baffle 2, positive stop 3, block supporting seat 4, lead screw shaft 5, driving nut 6, gangbar 7, casing 8, oil cylinder 9, differential pressure transducer 10, proportional throttle valve 11, angular-motion transducer 12, coupler 13, Fill valve 14, fuel tank 15, driven wheel of differential 16, imput shaft 17, electromagnet 18, retracing spring 19 and bearing circle 20; Described angular-motion transducer 12 is mounted by means of bolts on the casing 8, the upper end of the revolving bar of described bearing circle 20 and imput shaft 17 is fixedly connected by coupler, the lower end of described imput shaft 17 is fixedly connected by the input shaft of coupler 13 with angular-motion transducer 12, the axial line of described angular-motion transducer 12 is installed with the axial line of imput shaft 17 is concentric, described imput shaft 17 is installed on the casing 8 by bearing, described drive bevel gear 1 is fixedly connected by key and shaft end ring with imput shaft 17, described drive bevel gear 1 cooperates installation with driven wheel of differential 16 engaged transmission, described driven wheel of differential 16 is fixedly mounted on the left end of lead screw shaft 5 by key and shaft end ring, the both sides of described lead screw shaft 5 are installed on the casing 8 by bearing, described driving nut 6 cooperates installation with lead screw shaft 5 transmissions, described driving nut 6 and block supporting seat 4 weld connections, described positive stop 3 is actively connected on the block supporting seat 4 by bearing pin, described retracing spring 19 1 ends and block supporting seat 4 are fixedly connected, described retracing spring 19 other ends and positive stop 3 are fixedly connected, described electromagnet 18 is installed on the block supporting seat 4 by bolt, the iron core of described electromagnet 18 and positive stop 3 are actively coupled by bearing pin, described stroke baffle 2 is mounted by means of bolts on the casing 8, described stroke baffle 2 rear sides are provided with a short groove, described stroke baffle 2 front sides are provided with a long recess, the short groove length direction center of the long recess of described stroke baffle 2 front sides and rear side overlaps, described driving nut 6 is bolted with gangbar 7 and connects, described gangbar 7 is fixedly connected with the take-off lever at oil cylinder 9 two ends, described oil cylinder 9 actuator ports are equipped with differential pressure transducer 10 by the corresponding connection of actuator port of pipeline with proportional throttle valve 11 between 9 two working oil pipelines of described oil cylinder.
Be provided with two backplates on the described block supporting seat 4 and positive stop 3 both sides move with the touch, only allow positive stop 3 between two backplates, to rotate around bearing pin.On two working oil pipelines of described oil cylinder 9 Fill valve 14 is set respectively, the oil inlet of Fill valve 14 connects with fuel tank 15, and the fuel tank 15 of sealing is installed on the casing 8.Described casing 8 is provided with the weldment of detachable panelling for the both sides, front and back.Described positive stop 3 is U-shaped fork structure.
When vehicle needs to shift vehicle after an operation field is finished the work, require vehicle that higher moving velocity will be arranged, press the walking mode button, electromagnet 18 energising pull-core actions overcome the spring tension of retracing spring 19, positive stop 3 is moved in the long recess of stroke baffle 2, this moment, vehicle was in the normal row walking modes, and it is 900 ° that bearing circle 20 turns to the angle of rotation entirely.When rotating, bearing circle 20 cooperate drive lead screw shaft 5 to rotate with driven wheel of differential 16 engaged transmission by drive bevel gear 1, lead screw shaft 5 drives driving nut 6 side-to-side movements, stroke is by the long recess control of stroke baffle 2, when bearing circle 20 forwards full steering position to, long recess one side wall surface that stroke baffle 2 is run in the motion under driving nut 6 drives of described positive stop 3 is limited motion, and bearing circle 20 is spacing thus.Described driving nut 6 is fixed by gangbar 7 and the take-off lever of oil cylinder 9, described driving nut 6 motions drive the motion of the take-off lever of oil cylinder 9, enter proportional throttle valve 11 from the hydraulic oil of 9 one actuator port outputs of oil cylinder, enter again another actuator port of oil cylinder 9 from proportional throttle valve 11 hydraulic oil out, proportional throttle valve 11 is opened different orifice sizes according to the information of road surface instruction that the electric control unit transmission comes, make and produce corresponding difference of pressure between two actuator ports of oil cylinder 9, the application force of difference of pressure generation is applied to and produces corresponding dumping force on the bearing circle thus, namely can provide corresponding road feel feedback to chaufeur, pressure difference value between differential pressure transducer 10 continuous detection oil cylinder 9 actuator ports and output electrical signals are to electric control unit, the orifice size of electric control unit control resize ratio flow regulating valve 11, and then reach suitable road feel state.When vehicle when operation field is driven, press the work pattern button, electromagnet 18 is in off-position, enters in the short groove of stroke baffle 2 at the spring tension effect lower limit block 3 of retracing spring 19, vehicle is in the operation walking mode, and it is 180 ° that bearing circle 20 turns to the angle of rotation entirely.If positive stop 3 is not in the length range of short groove, spring tension effect lower limit block 3 at retracing spring 19 can be pressed on the stroke baffle 2 tightly, the turn of returning along with bearing circle, positive stop 3 enters in the short groove under the spring tension effect of retracing spring 19, vehicle is in work pattern, and namely entirely to turn to the angular transformation of rotation be 180 ° to bearing circle 20.Described imput shaft 17 is fixedly connected by the input shaft of coupler 13 with angular-motion transducer 12, the corner of described angular-motion transducer 12 detection bearing circle 20 and output electrical signals are to electric control unit, and electric control unit provides control signal control steering cylinder and realizes handling maneuver.When the hydraulic oil in the loop reduced, the hydraulic oil that fuel tank is 15 li came to the loop repairing by Fill valve 14.
Can be detected exactly the anglec of rotation of bearing circle by above-mentioned visible this device, provide adjustable, suitable road feel to chaufeur, according to different mode of operations, adjust bearing circle and finish the rotation number of turns that entirely turns to.
Claims (5)
1. steering wheel arrangement that is used for the steering-by-wire vehicle, it is characterized in that, mainly by drive bevel gear (1), stroke baffle (2), positive stop (3), block supporting seat (4), lead screw shaft (5), driving nut (6), gangbar (7), casing (8), oil cylinder (9), differential pressure transducer (10), proportional throttle valve (11), angular-motion transducer (12), coupler (13), Fill valve (14), fuel tank (15), driven wheel of differential (16), imput shaft (17), electromagnet (18), retracing spring (19) and bearing circle (20) form; Described angular-motion transducer (12) is fixedly mounted on the casing (8), the upper end of the revolving bar of described bearing circle (20) and imput shaft (17) is fixedly connected by coupler, the lower end of described imput shaft (17) is fixedly connected by the input shaft of coupler (13) with angular-motion transducer (12), the concentric installation of axial line of the axial line of described angular-motion transducer (12) and imput shaft (17), described imput shaft (17) is installed on the casing (8) by bearing, described drive bevel gear (1) is fixedly connected with imput shaft (17), described drive bevel gear (1) cooperates installation with driven wheel of differential (16) engaged transmission, described driven wheel of differential (16) is fixedly mounted on the left end of lead screw shaft (5), the both sides of described lead screw shaft (5) are installed on the casing (8) by bearing, described driving nut (6) cooperates installation with lead screw shaft (5) transmission, described driving nut (6) is fixedly connected with block supporting seat (4), described positive stop (3) is actively connected on the block supporting seat (4) by bearing pin, described retracing spring (19) one ends and block supporting seat (4) are fixedly connected, described retracing spring (19) other end and positive stop (3) are fixedly connected, described electromagnet (18) is installed on the block supporting seat (4), the iron core of described electromagnet (18) and positive stop (3) are actively coupled by bearing pin, described stroke baffle (2) is fixedly mounted on the casing (8), described stroke baffle (2) rear side is provided with a short groove, described stroke baffle (2) front side is provided with a long recess, the short groove length direction center of the long recess of described stroke baffle (2) front side and rear side overlaps, described driving nut (6) is fixedly connected with gangbar (7), described gangbar (7) is fixedly connected with the take-off lever at oil cylinder (9) two ends, described oil cylinder (9) actuator port is equipped with differential pressure transducer (10) by the corresponding connection of actuator port of pipeline with proportional throttle valve (11) between (9) two working oil pipelines of described oil cylinder.
2. the steering wheel arrangement for the steering-by-wire vehicle according to claim 1, it is characterized in that: be provided with two backplates on the described block supporting seat (4) and positive stop (3) both sides move with the touch, only allow positive stop (3) between two backplates, to rotate around bearing pin.
3. the steering wheel arrangement for the steering-by-wire vehicle according to claim 1, it is characterized in that: on two working oil pipelines of described oil cylinder (9) Fill valve (14) is set respectively, the oil inlet of Fill valve (14) connects with fuel tank (15), and the fuel tank of sealing (15) is installed on the casing (8).
4. the steering wheel arrangement for the steering-by-wire vehicle according to claim 1, it is characterized in that: described casing (8) is provided with the weldment of detachable panelling for the both sides, front and back.
5. the steering wheel arrangement for the steering-by-wire vehicle according to claim 1 is characterized in that: described positive stop (3) is U-shaped fork structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322202.3A CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322202.3A CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
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| Publication Number | Publication Date |
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| CN103359164A true CN103359164A (en) | 2013-10-23 |
| CN103359164B CN103359164B (en) | 2015-09-30 |
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| CN201310322202.3A Expired - Fee Related CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859710A (en) * | 2015-06-06 | 2015-08-26 | 青岛科技大学 | Steering-by-wire road feel simulator of loader |
| CN108425994A (en) * | 2018-05-18 | 2018-08-21 | 山东钢铁股份有限公司 | Edge-masking control unit gear assembly |
| CN109398477A (en) * | 2018-09-26 | 2019-03-01 | 江苏理工学院 | A kind of engineering mechanical device direction of travel control method and device |
| CN111063232A (en) * | 2019-11-18 | 2020-04-24 | 北方信息控制研究院集团有限公司 | Steering hand wheel transmission device of ship simulator |
| CN115503814A (en) * | 2022-11-18 | 2022-12-23 | 江苏天一航空工业股份有限公司 | Logistics luggage tractor auxiliary steering device and automatic driving steering system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207719A1 (en) * | 1992-03-11 | 1993-09-16 | Zahnradfabrik Friedrichshafen | Power-assisted steering gear e.g. for high-speed motor vehicles - uses redundant sensors of steering angle in control of hydraulic proportional valves and provision of reaction torque on steering column |
| KR20090127666A (en) * | 2008-06-09 | 2009-12-14 | 현대자동차주식회사 | Apparatus for variabling turn number of steering wheel for steer by wire system |
| CN201685872U (en) * | 2010-05-20 | 2010-12-29 | 湖北唯思凌科装备制造有限公司 | On-line running-in device of rack and pinion type vehicle power steering gear |
| CN103171612A (en) * | 2013-03-07 | 2013-06-26 | 青岛科技大学 | Steer-by-wire vehicle steering wheel limit mechanism |
| CN203345020U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Steering wheel device for steer-by-wire vehicles |
-
2013
- 2013-07-19 CN CN201310322202.3A patent/CN103359164B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207719A1 (en) * | 1992-03-11 | 1993-09-16 | Zahnradfabrik Friedrichshafen | Power-assisted steering gear e.g. for high-speed motor vehicles - uses redundant sensors of steering angle in control of hydraulic proportional valves and provision of reaction torque on steering column |
| KR20090127666A (en) * | 2008-06-09 | 2009-12-14 | 현대자동차주식회사 | Apparatus for variabling turn number of steering wheel for steer by wire system |
| CN201685872U (en) * | 2010-05-20 | 2010-12-29 | 湖北唯思凌科装备制造有限公司 | On-line running-in device of rack and pinion type vehicle power steering gear |
| CN103171612A (en) * | 2013-03-07 | 2013-06-26 | 青岛科技大学 | Steer-by-wire vehicle steering wheel limit mechanism |
| CN203345020U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Steering wheel device for steer-by-wire vehicles |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859710A (en) * | 2015-06-06 | 2015-08-26 | 青岛科技大学 | Steering-by-wire road feel simulator of loader |
| CN104859710B (en) * | 2015-06-06 | 2017-03-08 | 青岛科技大学 | Loading machine steering-by-wire road feel simulation device |
| CN108425994A (en) * | 2018-05-18 | 2018-08-21 | 山东钢铁股份有限公司 | Edge-masking control unit gear assembly |
| CN109398477A (en) * | 2018-09-26 | 2019-03-01 | 江苏理工学院 | A kind of engineering mechanical device direction of travel control method and device |
| CN111063232A (en) * | 2019-11-18 | 2020-04-24 | 北方信息控制研究院集团有限公司 | Steering hand wheel transmission device of ship simulator |
| CN115503814A (en) * | 2022-11-18 | 2022-12-23 | 江苏天一航空工业股份有限公司 | Logistics luggage tractor auxiliary steering device and automatic driving steering system |
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| Publication number | Publication date |
|---|---|
| CN103359164B (en) | 2015-09-30 |
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Granted publication date: 20150930 Termination date: 20190719 |