CN104595019A - Electric control driver for turbocharger exhaust gas bypass valve - Google Patents
Electric control driver for turbocharger exhaust gas bypass valve Download PDFInfo
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- CN104595019A CN104595019A CN201410816865.5A CN201410816865A CN104595019A CN 104595019 A CN104595019 A CN 104595019A CN 201410816865 A CN201410816865 A CN 201410816865A CN 104595019 A CN104595019 A CN 104595019A
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- 239000007789 gas Substances 0.000 description 50
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- 230000000694 effects Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses an electric control driver for a turbocharger exhaust gas bypass valve. The electric control driver comprises a motor, a gear transmission train and an output assembly. The gear transmission train comprises a pinion, an intermediate gear set and a sector gear, the pinion is fixed to an output shaft of the motor, the intermediate gear set carries out transmission through multiple gears, one side of the intermediate gear set is meshed with the pinion, and the other side of the intermediate gear set is meshed with the sector gear; the output assembly comprises an output shaft and a driving part, the lower end of the output shaft is fixed to the axis of the upper side of the sector gear, one end of the driving part is fixedly connected with the upper end of the output shaft, and the other end of the driving part is used for driving the turbocharger exhaust gas bypass valve to act. The electric control driver for the turbocharger exhaust gas bypass valve is large in output torque, short in response time, simple and reliable in overall structure, low in cost and capable of achieving free control over bypass valve switching, the opening degree of the turbocharger exhaust gas bypass valve is controlled accurately and conveniently, self-locking is avoided, and different transmission ratios can be derived.
Description
Technical field
The present invention relates to supercharging turbine of automobile engine technical field, being specifically related to a kind of automatically controlled driver for controlling turbosupercharger exhaust gas by-pass valve.
Background technique
Along with popularizing gradually of automobile, adding of automobile emission regulation is tight, and environmental consciousness is strengthened gradually, and people propose more and more higher requirement to the power performance of motor car engine and energy-saving and emission-reduction performance.Increasing automobile starts to take turbocharging technology.The performance improving turbosupercharger is the important measures improving engine performance and energy-saving and emission-reduction performance.
Turbosupercharger is the turbine in the exhaust gas-driven turbine case utilizing motor to discharge, turbine rotates with the speed of more than 100,000 turns per minute, on same axle, the compressor impeller of High Rotation Speed constantly sends into engine cylinder combustion after ambient inlet air also compression, thus improve the density of the induced air of motor, reach and improve engine output and moment of torsion and the object reducing discharge.In the turbosupercharged engine not having exhaust gas by-pass valve, boost pressure is increasing, thus it is more and more higher to promote secondary speed, and then pressurized machine air end of booster produces more air inlet, circulation like this, turbine turns faster and faster, all likely causes serious destruction to turbosupercharger and engine body.
The exhaust gas by-pass valve of existing use in enormous quantities is often mechanical type control valve, is made up of upper and lower body cap, diaphragm, spring, valve rod.When the boost pressure in engine air inlet tube reaches a threshold value, the reaction force that the diaphragm of exhaust gas by-pass valve overcomes spring promotes valve rod makes bypath valve open, a part for engine exhaust enters engine exhaust pipe from exhaust tube, such exhaust gas pressure declines, secondary speed declines, gas compressor blade wheel speed declines, and the boost pressure in engine air inlet tube declines.After boost pressure declines, exhaust gas by-pass valve inner spring spring return, valve rod drives bypath valve to close bleed line, and all engine exhausts participate in turbine acting, and secondary speed rises, and gas compressor blade wheel speed rises, and boost pressure rises.So repeatedly, the adjustment of boost pressure is realized.
But there is many shortcomings in mechanical type exhaust gas by-pass valve:
1. mechanical type bypass valve impacting force is lower, unfavorable to the torque characteristics of motor when low-speed running.
2. the pretightening force of bypath valve sets according to boost pressure, needs regulating valve stem length to regulate pretightening force, regulates cumbersome.
3. can not regulate continuously bypath valve aperture, remote operation adjustment and real time position feedback cannot be realized.
4. it is slow that the driving mode that atmospheric pressure overcomes spring force and spring return determines the bypath valve response time, low precision.
In view of mechanical type exhaust gas by-pass valve exists the problems referred to above, some producers start to design the driver of electric drive and control to control bypass valve, but come with some shortcomings.
Chinese patent 201220226875X discloses a kind of electromagnetism exhaust gas by-pass valve, as shown in Figure 1, comprise with the valve body 1 of valve pocket, the suction port 2 being positioned at body base, the execution/control mouth 12 be communicated with suction port 2, the air outlet 3 that is communicated with suction port 2 by valve pocket, also comprise the electromagnetic actuator be packaged in valve pocket; Also comprise pressure transducer 11, the signaling line of described pressure transducer 11 is connected with vehicle electronic control unit, and is fixed on the side of exhaust gas by-pass valve, and its Pressure probe is arranged at valve body and performs/control above the inwall of mouth; The actuator of electromagnetism comprise be fixedly mounted on the axle sleeve 10 bottom valve pocket, the electromagnetic coil 8 in the middle part of valve pocket, through valve pocket top sealing material and be connected with vehicle electronic control unit with the electromagnetic coil wire harness of plug connector 9, plug connector 9, the sealed valve 7, the supporting disk 5 that can slide in sealed valve 7 chamber that arrange in electromagnetic coil 8 endoporus, valve pocket can be separated into the diaphragm 4 of Liang Ge sealed chamber and the spring 6 supporting disk 5 and sealed valve 7; Axle sleeve 10 outer is with outside thread, and the valve body 1 bottom valve pocket is provided with the internal thread coordinated with outside thread.When motor is in running order, air feed is needed in turbosupercharger, when the force value that pressure transducer is surveyed is transferred to vehicle electronic control unit, vehicle electronic control unit provides the cut-off signal of exhaust gas by-pass valve electromagnetic coil according to set force value, when electromagnetic coil 8 is in off-position, do not produce the suction-combining force, supporting disk 5 is under the effect of spring 6, withstand diaphragm 4, make suction port 2 and perform/control mouth 12 conducting in the cavity of valve body 1, the waste gas entering valve body 1 is the gas compressor air feed of turbosupercharger by suction port 2 and execution/control mouth 12, driving turbine rotates, turbine drives gas compressor to rotate, now motor enters the state of running up, when the pressure in turbosupercharger reaches setting value, when the force value that pressure transducer is surveyed is transferred to vehicle electronic control unit, vehicle electronic control unit provides the communications signals of exhaust gas by-pass valve electromagnetic coil according to set force value, power to electromagnetic coil 8, produce the suction-combining force, by supporting disk 5 adhesive on sealed valve 7, remove diaphragm closing air outlet, under the effect of exhaust gas pressure, diaphragm 4 is pressed off, make suction port 2, execution/control mouth 12 and air outlet 3 are all on state in the cavity of valve body 1, but under pressure balanced effect, waste gas is made directly to enter air outlet 3 by suction port 2, be drained in the suction port of motor by air outlet 3, make waste gas in motor, enter sufficient secondary combustion, now motor is in low-speed running state.
The electromagnetism exhaust gas bypass valve actuator that Chinese patent 201220226875X discloses, utilizes electromagnetic force to carry out the motion control of supporting disk 5, because actuator adopts electromagnetic type, exist driving force little, there is no the problem such as position feedback, low precision.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automatically controlled driver for turbosupercharger exhaust gas by-pass valve, output torque is large, response time is fast, overall structure is simple and reliable, cost is low, and can realize bypath valve switch and freely control, and controls the aperture of turbosupercharger exhaust gas by-pass valve accurately and easily, avoid self-locking, and can different drive ratios be derived.
For solving the problems of the technologies described above, the automatically controlled driver for turbosupercharger exhaust gas by-pass valve provided by the invention, comprises motor, pinion unit, output precision;
Described pinion unit, comprises small gear, center tooth wheels, tooth sector;
Described small gear, is fixed on the output shaft of described motor;
Described center tooth wheels, carry out transmission by multiple gear, and side is engaged with described small gear, and opposite side engages with described tooth sector;
Described output precision, comprises output shaft, drive portion;
Described output shaft, lower end is fixed on the axle center place on the upside of described tooth sector;
Described drive portion, one end is fixedly connected with output shaft upper end, and the other end for driving turbosupercharger exhaust gas bypass valve events, thus controls the folding driving turbosupercharger exhaust gas by-pass valve.
Preferably, described drive portion, comprises connecting rod, drive post;
Described connecting rod, one end is fixedly connected with described output shaft upper end, and the other end is fixedly connected with described drive post;
Described drive post, the axis being parallel of axis and described output shaft.
Preferably, the described automatically controlled driver for turbosupercharger exhaust gas by-pass valve, also comprises magnet assemblies, hall device;
Described magnet assemblies is magnet, or is formed by magnet and plastic packets note;
Described magnet assemblies, upper end is fixedly connected on the axle center place on the downside of described tooth sector;
Described magnet, be positioned at described magnet assemblies lower end, and magnetic blow out centre is positioned at the axis of tooth sector, and magnet S pole, N pole are symmetrically distributed in the axis both sides of tooth sector;
Described hall device, is positioned at below described magnet assemblies, and has gap with described magnet assemblies lower end, for detecting the angle of swing of described magnet;
The angle of swing of electronic control unit according to described magnet and the boost pressure of turbosupercharger, control output shaft sense of rotation and the rotating speed of motor.
Preferably, described output shaft, carries out bag with tooth sector and notes and be connected;
Described magnet assemblies, adopt with tooth sector weld, rivet hot, bonding or wrap to note and connect.
Preferably, the described automatically controlled driver for turbosupercharger exhaust gas by-pass valve, also comprises shell, upper cover plate;
Described shell, integral molded plastic forms, and comprises gear cavity, motor cavity;
Described gear cavity, is positioned at the top of described shell;
Described motor cavity, is positioned at the lower left quarter of described shell;
Described gear cavity, be provided with gear bearing pin spacing hole group in the middle part of base plate, base plate right part is provided with hall device receiving cavity;
Described motor cavity, upper end is communicated with gear cavity left part by positioning hole;
Described upper cover plate, lower Middle face is provided with the corresponding gear bearing pin positioning hole group of described gear bearing pin spacing hole group, and right part is provided with output shaft positioning hole;
Described upper cover plate, is fastened on described gear cavity, and is fixed together with described gear cavity by screw;
Described output precision, also comprises bearing pack;
Described bearing pack, is set in outside affiliated output shaft, and is fixed in described output shaft positioning hole;
Affiliated output shaft, upper end exceeds above described upper cover plate through described output shaft positioning hole;
Described drive portion, be positioned at top above described upper cover plate, one end is fixedly connected with output shaft upper end;
The small gear of described pinion unit, center tooth wheels, between the gear bearing pin positioning hole group of the pivotable gear bearing pin spacing hole group being fixed on described gear cavity of gear bearing pin with described upper cover plate;
Described hall device, is fixed in described hall device receiving cavity;
Described motor, is placed in described motor cavity, and the output shaft of its upper end is insinuated in gear cavity through described positioning hole.
Preferably, described output shaft positioning hole, bottom is lower bearing aperture, and middle part is positioning table, and top is upper bearing aperture;
The internal diameter of described positioning table is less than the internal diameter of described lower bearing aperture and described upper bearing aperture;
Described bearing pack, comprises plane bearing, needle bearing;
Described plane bearing, is fixed in described lower bearing aperture;
Affiliated needle bearing, is fixed in described upper bearing aperture.
Preferably, described gear cavity, is provided with two mechanical stops inside right part, for limiting the maximum angle of swing of tooth sector.
Preferably, described upper cover plate, bottom surface surrounding is provided with a grade limit, and perimembranous is provided with tapped hole group, and right part is provided with spacing shelves platform;
The gear bearing pin positioning hole group of described upper cover plate, output shaft positioning hole, tapped hole group are by stiffening rib connection reinforcement.
Preferably, described housing, outer side surface is provided with connector assembly, and inner bag is marked with metal contact wires road;
The positioning hole periphery of described gear cavity left part, is provided with motor plug receptacle;
The hall device receiving cavity periphery of described gear cavity right part, is provided with hall device socket;
Described connector assembly, is electrically communicated to the stitch of described motor plug receptacle and described hall device socket by described metal contact wires road;
Described motor, upper end is provided with power plug, and when described motor is fixed to described motor cavity, the power plug that upper end is arranged is inserted into described motor plug receptacle.
Automatically controlled driver for turbosupercharger exhaust gas by-pass valve of the present invention, adopt motor to drive and add gear transmission mode, driver output assembly rotates, drive turbosupercharger exhaust gas bypass valve events, the gear sequences of pinion unit is followed successively by small gear, center tooth wheels, tooth sector, and output torque is large, and the response time is fast, overall structure is simple and reliable, and cost is low.And owing to adopting gear transmission mode, bypath valve switch can be realized freely control, the aperture of turbosupercharger exhaust gas by-pass valve can be controlled accurately and easily, avoid self-locking, and can different drive ratios be derived, provide the output torque of different brackets to adapt to different displacements engine calls.
Accompanying drawing explanation
In order to be illustrated more clearly in technological scheme of the present invention, below the accompanying drawing that will use required for the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is existing a kind of electromagnetism exhaust gas by-pass valve schematic diagram.
Fig. 2 is the automatically controlled driver one embodiment explosive view for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 3 is the automatically controlled driver one embodiment pinion unit schematic diagram for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 4 is the automatically controlled driver one embodiment output precision schematic diagram for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 5 is the automatically controlled driver one embodiment magnet assemblies schematic diagram for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 6 is the automatically controlled driver one embodiment shell schematic diagram for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 7 is the automatically controlled driver one embodiment upper cover plate stereogram for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 8 is the automatically controlled driver one embodiment upper cover plate sectional view for turbosupercharger exhaust gas by-pass valve of the present invention;
Fig. 9 is the automatically controlled driver one embodiment motor schematic diagram for turbosupercharger exhaust gas by-pass valve of the present invention.
Embodiment
Below in conjunction with accompanying drawing, carry out clear, complete description to the technological scheme in the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope of protection of the invention.
Embodiment one
As shown in Figure 2, for the automatically controlled driver of turbosupercharger exhaust gas by-pass valve, comprise motor 2, pinion unit 4, output precision 8;
Described pinion unit 4, as shown in Figure 3, comprises small gear 41, center tooth wheels 42, tooth sector 43;
Described small gear 41, is fixed on the output shaft 21 of described motor 2;
Described center tooth wheels 42, carry out transmission by multiple gear, and side is engaged with described small gear 41, and opposite side engages with described tooth sector 43;
Described output precision 8, as shown in Figure 4, comprises output shaft 81, drive portion 83;
Described output shaft 81, lower end is fixed on the axle center place on the upside of described tooth sector 43;
Described drive portion 83, one end is fixedly connected with output shaft 81 upper end, and the other end for driving turbosupercharger exhaust gas bypass valve events, thus controls the folding driving turbosupercharger exhaust gas by-pass valve.
Preferably, described drive portion 83, comprises connecting rod 831, drive post 832;
Described connecting rod 831, one end is fixedly connected with output shaft 81 upper end, and the other end is fixedly connected with drive post 832;
Described drive post 832, the axis being parallel of axis and output shaft 81.
The automatically controlled driver for turbosupercharger exhaust gas by-pass valve of embodiment one, adopt motor to drive and add gear transmission mode, driver output assembly rotates, drive turbosupercharger exhaust gas bypass valve events, the gear sequences of pinion unit is followed successively by small gear, center tooth wheels, tooth sector, and output torque is large, and the response time is fast, overall structure is simple and reliable, and cost is low.And owing to adopting gear transmission mode, bypath valve switch can be realized freely control, the aperture of turbosupercharger exhaust gas by-pass valve can be controlled accurately and easily, avoid self-locking, and can different drive ratios be derived, provide the output torque of different brackets to adapt to different displacements engine calls.
Embodiment two
Based on embodiment one, the automatically controlled driver for turbosupercharger exhaust gas by-pass valve also comprises magnet assemblies 7, hall device 5;
Described magnet assemblies 7 is magnet, or as shown in Figure 5, wraps note form by magnet 71 and plastics 72, and lower end is induction end 73, and upper end is connecting end 74
Described magnet assemblies 7, upper end is fixedly connected on the axle center place on the downside of described tooth sector 43;
Described magnet 71, be positioned at described magnet assemblies lower end, and magnetic blow out centre is positioned at the axis of tooth sector 43, and S pole, N pole are symmetrically distributed in the axis both sides of tooth sector 43;
Described hall device 5, is positioned at below described magnet assemblies 7, and has gap with between described magnet assemblies 7, for detecting the angle of swing of described magnet 71;
Electronic control unit (ECU), according to the described angle of swing of magnet 71 and the boost pressure of turbosupercharger, control sense of rotation and the rotating speed of motor 2, thus control the air inflow of turbosupercharger in real time, and then regulate the boost pressure of turbosupercharger.
Preferably, described output shaft 81, carries out bag with tooth sector 43 and notes and be connected;
Described magnet assemblies 7, adopt with tooth sector 43 weld, rivet hot, bonding or wrap to note and connect.
The automatically controlled driver for turbosupercharger exhaust gas by-pass valve of embodiment two, sensory technique is adopted to carry out the control of bypath valve aperture, can Real-time Feedback bypath valve open position, control accuracy is high and flexible, improve engine efficiency, add Driving, improve fuel economy and decrease discharge.
Embodiment three
Based on embodiment two, for the automatically controlled driver of turbosupercharger exhaust gas by-pass valve, also comprise shell 1, upper cover plate 9;
Described shell 1, integral molded plastic forms, and as shown in Figure 6, comprises gear cavity 11, motor cavity 12;
Described gear cavity 11, is positioned at the top of described shell 1;
Described motor cavity 12, is positioned at the lower left quarter of described shell 1;
Described gear cavity 11, be provided with gear bearing pin spacing hole group 111 in the middle part of base plate, base plate right part is provided with hall device receiving cavity 112;
Described motor cavity 12, upper end is communicated with gear cavity 11 left part by positioning hole 16;
Described upper cover plate 9, as shown in Figure 7, lower Middle face is provided with the corresponding gear bearing pin positioning hole group 92 of described gear bearing pin spacing hole group 111, and right part is provided with output shaft positioning hole 93;
Described upper cover plate 9, is fastened on described gear cavity 11, and is fixed together with described gear cavity by screw 10;
Described output precision 8, also comprises bearing pack 82;
Described bearing pack 82, is set in outside affiliated output shaft 81, and is fixed in described output shaft positioning hole 93;
Affiliated output shaft 81, upper end exceeds above described upper cover plate 9 through described output shaft positioning hole 93;
Described drive portion 83, be positioned at described upper cover plate 9 top above, one end is fixedly connected with output shaft 81 upper end;
The small gear 41 of described pinion unit 4, center tooth wheels 42, between the gear bearing pin positioning hole group 92 of the pivotable gear bearing pin spacing hole group 111 being fixed on described gear cavity 11 of gear bearing pin 44 with described upper cover plate 9;
Described hall device 5, is fixed in described hall device receiving cavity 112;
Described motor 2, is placed in described motor cavity 12, and the output shaft 21 of its upper end is insinuated in gear cavity 11 through described positioning hole 16.
Preferably, described output shaft positioning hole 93, as shown in Figure 8, bottom is lower bearing aperture 931, and middle part is positioning table 932, and top is upper bearing aperture 933;
The internal diameter of described positioning table 932 is less than the internal diameter of described lower bearing aperture 931 and described upper bearing aperture 933;
Described bearing pack 82, comprises plane bearing, needle bearing;
Described plane bearing, is fixed in described lower bearing aperture 931;
Affiliated needle bearing, is fixed in described upper bearing aperture 932.
Preferably, described gear cavity 11, is provided with two mechanical stops 114 inside right part, for limiting the maximum angle of swing of tooth sector.
Preferably, described upper cover plate 9 bottom surface surrounding is provided with grade limit 96, and perimembranous is provided with tapped hole group 91, and right part is provided with spacing shelves platform 94, and the gear bearing pin positioning hole group 92 of described upper cover plate 9, output shaft positioning hole 93, tapped hole group 91 are by stiffening rib 95 connection reinforcement.
Embodiment four
Based on the automatically controlled driver for turbosupercharger exhaust gas by-pass valve of embodiment three, described housing 1 outer side surface is provided with connector assembly 14, and inner bag is marked with metal contact wires road;
Positioning hole 16 periphery of described gear cavity 11 left part, is provided with motor plug receptacle 153;
Hall device receiving cavity 112 periphery of described gear cavity 11 right part, is provided with hall device socket 151;
Described connector assembly 14, is electrically communicated to the stitch (PIN) of described motor plug receptacle 153 and described hall device socket 151 respectively by described metal contact wires road;
Described motor 2, as shown in Figure 9, upper end is provided with power plug 23, and when described motor 2 is fixed to described motor cavity 12, the power plug 23 that upper end is arranged is inserted into described motor plug receptacle 153.
The automatically controlled driver for turbosupercharger exhaust gas by-pass valve of embodiment four, installation steps are as follows:
Small gear 41 is pressed into motor 2 output shaft 21, electricity secret seal 17 is loaded the motor seal groove 124 of shell 1, the electric machine assembly that small gear 41 is housed is loaded from the motor cavity 12 bottom shell 1 along guide table 122, the head 22 of motor 2 is made to insert positioning hole 16, the power plug 23 of motor 2 is made to insert motor plug receptacle 153, make the upper-end surface 24 of motor 2 be close to the motor locating face 121 of motor cavity 12 upper end simultaneously, space washer 26 is sleeved on the bottom 25 of motor 2, wavy spring 27 is sleeved in space washer 26, motor cover plate 3 is pressed fit into motor cavity 12 lower end of shell 1, that carries out that spinning buckles into motor cavity 12 to motor cover plate 3 opening end press-fits groove 123, hall device 5 is pressed fit into hall device socket 151, gear seal ring 18 is loaded gear seal groove 116, formation comprises motor 2, the casing assembly of hall device 5.
Each gear bearing pin 44 is pressed fit into respectively the bearing pin positioning hole group 92 of upper cover plate 9, bearing pack 82 is pressed fit into output shaft positioning hole 93, each gear of center tooth wheels 42 is respectively charged into each gear bearing pin 44, output shaft 81 is loaded axle positioning hole 93, drive portion 83 and output shaft 81 are linked together, form the cover plate assembly comprising train of gearings 4, magnet assemblies 7 and output precision 8, then by tapped hole group 91, casing assembly and cover plate assembly are carried out connection encapsulation with screw 10.
The head 22 of described motor 2 coordinates with positioning hole 16, the power plug 23 of motor 2 coordinates with motor plug receptacle 153, described space washer 26 25 to coordinate with bottom motor 2, with motor cavity 12 fit inside, described motor cover plate 3 coordinates with motor cavity 12 lower end, each gear bearing pin 44 coordinates with the bearing pin positioning hole group 92 of upper cover plate 9, coordinate with the gear bearing pin spacing hole group 111 bottom gear cavity 11, coordinate with gear shaft holes.
Rotate when motor 2 is energized, driven gear power train 4 is rotated, tooth sector 43 drives the drive portion 83 of output precision 8 to rotate, and controls motor 2 clockwise and anticlockwise thus control drive portion 83 to carry out back rotation, and the hall device 5 of tooth sector 43 end can detect the angle position of drive portion 83.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (9)
1. for an automatically controlled driver for turbosupercharger exhaust gas by-pass valve, it is characterized in that, comprise motor, pinion unit, output precision;
Described pinion unit, comprises small gear, center tooth wheels, tooth sector;
Described small gear, is fixed on the output shaft of described motor;
Described center tooth wheels, carry out transmission by multiple gear, and side is engaged with described small gear, and opposite side engages with described tooth sector;
Described output precision, comprises output shaft, drive portion;
Described output shaft, lower end is fixed on the axle center place on the upside of described tooth sector;
Described drive portion, one end is fixedly connected with output shaft upper end, and the other end for driving turbosupercharger exhaust gas bypass valve events, thus controls the folding driving turbosupercharger exhaust gas by-pass valve.
2. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 1, is characterized in that,
Described drive portion, comprises connecting rod, drive post;
Described connecting rod, one end is fixedly connected with described output shaft upper end, and the other end is fixedly connected with described drive post;
Described drive post, the axis being parallel of axis and described output shaft.
3. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 1, is characterized in that,
The described automatically controlled driver for turbosupercharger exhaust gas by-pass valve, also comprises magnet assemblies, hall device;
Described magnet assemblies is magnet, or is formed by magnet and plastic packets note;
Described magnet assemblies, upper end is fixedly connected on the axle center place on the downside of described tooth sector;
Described magnet, be positioned at described magnet assemblies lower end, and magnetic blow out centre is positioned at the axis of tooth sector, and magnet S pole, N pole are symmetrically distributed in the axis both sides of tooth sector;
Described hall device, is positioned at below described magnet assemblies, and has gap with described magnet assemblies lower end, for detecting the angle of swing of described magnet;
The angle of swing of electronic control unit according to described magnet and the boost pressure of turbosupercharger, control output shaft sense of rotation and the rotating speed of motor.
4. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 3, is characterized in that,
Described output shaft, carries out bag with tooth sector and notes and be connected;
Described magnet assemblies, adopt with tooth sector weld, rivet hot, bonding or wrap to note and connect.
5. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 3, is characterized in that,
The described automatically controlled driver for turbosupercharger exhaust gas by-pass valve, also comprises shell, upper cover plate;
Described shell, integral molded plastic forms, and comprises gear cavity, motor cavity;
Described gear cavity, is positioned at the top of described shell;
Described motor cavity, is positioned at the lower left quarter of described shell;
Described gear cavity, be provided with gear bearing pin spacing hole group in the middle part of base plate, base plate right part is provided with hall device receiving cavity;
Described motor cavity, upper end is communicated with gear cavity left part by positioning hole;
Described upper cover plate, lower Middle face is provided with the corresponding gear bearing pin positioning hole group of described gear bearing pin spacing hole group, and right part is provided with output shaft positioning hole;
Described upper cover plate, is fastened on described gear cavity, and is fixed together with described gear cavity by screw;
Described output precision, also comprises bearing pack;
Described bearing pack, is set in outside affiliated output shaft, and is fixed in described output shaft positioning hole;
Affiliated output shaft, upper end exceeds above described upper cover plate through described output shaft positioning hole;
Described drive portion, be positioned at top above described upper cover plate, one end is fixedly connected with output shaft upper end;
The small gear of described pinion unit, center tooth wheels, between the gear bearing pin positioning hole group of the pivotable gear bearing pin spacing hole group being fixed on described gear cavity of gear bearing pin with described upper cover plate;
Described hall device, is fixed in described hall device receiving cavity;
Described motor, is placed in described motor cavity, and the output shaft of its upper end is insinuated in gear cavity through described positioning hole.
6. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 5, is characterized in that,
Described output shaft positioning hole, bottom is lower bearing aperture, and middle part is positioning table, and top is upper bearing aperture;
The internal diameter of described positioning table is less than the internal diameter of described lower bearing aperture and described upper bearing aperture;
Described bearing pack, comprises plane bearing, needle bearing;
Described plane bearing, is fixed in described lower bearing aperture;
Affiliated needle bearing, is fixed in described upper bearing aperture.
7. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 5, is characterized in that,
Described gear cavity, is provided with two mechanical stops inside right part, for limiting the maximum angle of swing of tooth sector.
8. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 5, is characterized in that,
Described upper cover plate, bottom surface surrounding is provided with a grade limit, and perimembranous is provided with tapped hole group, and right part is provided with spacing shelves platform;
The gear bearing pin positioning hole group of described upper cover plate, output shaft positioning hole, tapped hole group are by stiffening rib connection reinforcement.
9. the automatically controlled driver for turbosupercharger exhaust gas by-pass valve according to claim 5, is characterized in that,
Described housing, outer side surface is provided with connector assembly, and inner bag is marked with metal contact wires road;
The positioning hole periphery of described gear cavity left part, is provided with motor plug receptacle;
The hall device receiving cavity periphery of described gear cavity right part, is provided with hall device socket;
Described connector assembly, is electrically communicated to the stitch of described motor plug receptacle and described hall device socket by described metal contact wires road;
Described motor, upper end is provided with power plug, and when described motor is fixed to described motor cavity, the power plug that upper end is arranged is inserted into described motor plug receptacle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410816865.5A CN104595019A (en) | 2014-12-19 | 2014-12-19 | Electric control driver for turbocharger exhaust gas bypass valve |
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| CN201410816865.5A CN104595019A (en) | 2014-12-19 | 2014-12-19 | Electric control driver for turbocharger exhaust gas bypass valve |
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| CN104595019A true CN104595019A (en) | 2015-05-06 |
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| CN201410816865.5A Pending CN104595019A (en) | 2014-12-19 | 2014-12-19 | Electric control driver for turbocharger exhaust gas bypass valve |
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| CN109236954A (en) * | 2018-11-09 | 2019-01-18 | 广西玉柴机器股份有限公司 | engine idle gear component |
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| CN109798308A (en) * | 2019-02-19 | 2019-05-24 | 中原内配（上海）电子科技有限公司 | Brake and electric actuator |
| CN111997740A (en) * | 2020-07-27 | 2020-11-27 | 联合汽车电子有限公司 | Actuator for variable turbine geometry turbocharger |
| CN113123856A (en) * | 2019-12-31 | 2021-07-16 | 深圳亿昇动力科技有限公司 | Turbo-charging electric control actuator based on planetary gear transmission |
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Application publication date: 20150506 |