CN105774633A - Light form conversion drive device rotary shaft sub assembly and application thereof - Google Patents
Light form conversion drive device rotary shaft sub assembly and application thereof Download PDFInfo
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- CN105774633A CN105774633A CN201610116159.9A CN201610116159A CN105774633A CN 105774633 A CN105774633 A CN 105774633A CN 201610116159 A CN201610116159 A CN 201610116159A CN 105774633 A CN105774633 A CN 105774633A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
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- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a light form conversion drive device rotary shaft sub assembly used for driving a light shading board of a vehicle lamp light form conversion device to swing. The rotary shaft sub assembly is provided with arc-shaped magnetic steel arranged in a magnetic field space of an arc-shaped stator magnetic pole. The rotary shaft sub assembly is matched with the arc-shaped stator magnetic pole, so that a closed magnetic circuit with a gap is formed. The rotary shaft sub assembly is a rotor with a sector section and comprises a sector body fixedly connected with a rotary shaft, and arc-shaped crown magnetic steel (a permanent magnet) arranged on the arc-shaped outer circumferential face of the sector body. The rotary shaft sub assembly swings around the rotary shaft at the original point, each of the two ends of the rotary shaft sub assembly is connected with a swing rod extending in the radial direction of the rotary shaft, the swing rods are used for driving the light shading board to swing, and the swing angle of the light shading board is the same as the rotation angle of the rotary shaft sub assembly. By the adoption of the light form conversion drive device rotary shaft sub assembly, the motion form of a light form conversion drive device is changed, so that the technical problem that a light form conversion mechanism is high in noise in work is solved, meanwhile, light form shaking is avoided, and the reliability of the light form conversion mechanism is improved.
Description
Technical field
The present invention relates to a kind of car light rotary electromagnetic actuator, specifically, the present invention relates to a kind of light type for car light type converting means and convert driving device rotating shaft sub-unit and application process thereof, described light type conversion driving device rotating shaft sub-unit and application thereof are for driving the dark slide of car light type converting means to swing, thus, realize light type conversion, the collision noise that can send when reducing electromagnetic actuation and release, provide the user more comfortable driving environment.
Background technology
During driver drives vehicle, there will be the situation of meeting and climb and fall unavoidably.Particularly automobile is when night running, when the car bulb gone in the same direction and climb and fall, the reflection light on road surface can affect the vision of driver, if will result in driver too by force not see road ahead, so needing driver to switch the distance-light of automobile in time, if switching is not in time, so that it may can cause vehicle accident.Therefore, modern vehicle widely uses light type mapping device and realizes the light type conversion control of automobile, and electromagnetic actuator (light type conversion driving device) is widely used in light type mapping device.The action utilizing the absorption of the electric magnet in electromagnetic actuator and resilience can realize the switching of distance-light, and its action is comparatively reliable.
Chinese utility model patent " a kind of far and near vehicle lamp switcher improvement " (utility model patent number: ZL200720129230.3 Authorization Notice No.: CN201089421Y) discloses a kind of far and near vehicle lamp switcher improvement, wherein said fixing catch is located at the leading edge of reflector body, described adjusting apparatus includes light type conversion driving device and active blade, described light type conversion driving device is provided with motion bar, with and described active blade connect, described active blade is to be connected with described fixing catch with pin connected assembly, in order to by the rotating shaft as active blade of the described pin connected assembly, described active blade is to be extended with and the linking arm of the described perpendicular shape of active blade body, with and the motion bar of described light type conversion driving device connect；It is located at the side of reflector body by the light type of described adjusting apparatus is converted driving device, and by the pin connected assembly rotating shaft as described active blade, make described light type conversion driving device amount capable of reducing power consumption, help and reducing the described light type produced heat energy of conversion driving device itself, and reduce the amplitude of temperature rise.
Chinese utility model patent " the far and near lamp switching device of car headlamp " (utility model patent number: ZL200920073422.6 Authorization Notice No.: CN201462690U) discloses the device that a kind of far and near lamp for car headlamp switches, and it is mainly made up of fixing dark slide, movable light shield plate, rotating shaft, rotating shaft spacing shim, electromagnet and connecting bushing.The far and near lamp handoff functionality assembly of this utility model has simple in construction, is readily produced assembling, switching is swift in response, the feature of good shading effect, can switch automobile long-and-short distant light more efficient, safely, improves the safety travelled.
But, in actual applications, bigger collision noise can be sent during due to the electromagnetic actuation in existing electromagnetic actuator and release, thus attracting the complaint of some users.Under the overall situation increasingly emphasizing user's comfort now, noise when reducing electromagnetic actuator work just seems and is extremely necessary.Additionally, electric magnet can produce stronger vibrations when adhesive and release, also shake easily caused by light shape, and this vibrations also can cause the faults such as connection loosens, and affects the reliability of light type mapping device.
Summary of the invention
For overcoming the problems referred to above, it is an object of the invention to, a kind of light type for car light type converting means is provided to convert driving device rotating shaft sub-unit and application process thereof, by changing the forms of motion of light type conversion driving device, solve the technical problem that light type mapping device operationally noise is big, simultaneously, it is to avoid light shape is shaken, the reliability of light type mapping device is improved.
For solving above-mentioned technical problem, the technical scheme of a kind of light type conversion driving device rotating shaft sub-unit of the present invention is as follows:
A kind of light type conversion driving device rotating shaft sub-unit, it is arranged in the light type conversion driving device of car light type converting means, for driving the dark slide of car light type converting means to swing, described light type conversion driving device includes the stator being fixedly mounted on enclosure interior, it is arranged on the rotating shaft sub-unit in the magnetic field space of magnetic pole of the stator, it is characterised in that:
Stator and stator winding constitute the arc-shaped magnetic pole of the stator that can power up excitation for a pair；
Described rotating shaft sub-unit cross section is fan-shaped, is placed in the magnetic field space of arc-shaped magnetic pole of the stator of stator, and rotating shaft sub-unit coordinates with described arc-shaped magnetic pole of the stator, is formed with the closed magnetic circuit of air gap；
Described rotating shaft sub-unit includes:
Rotating shaft,
It is arranged at the crown magnet steel of circular arc on fan-shaped rotating shaft sub-unit top peripheral face,
The connecting portion of fixing connection rotating shaft and the crown magnet steel of circular arc,
The fan-shaped central angle of the crown magnet steel of circular arc of described rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft sub-unit swings with spindle central around the shaft for initial point, its two ends connect a fork radially extended along rotating shaft respectively, for driving the dark slide of described car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft sub-unit.
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, it is characterised in that the fan-shaped central angle of the described rotating shaft crown magnet steel of sub-unit circular arc is 100-140 °, and fan-shaped diameter is Φ 7～10mm,
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, it is characterised in that it is 60～120 that the connecting portion of fixing connection rotating shaft and the crown magnet steel of circular arc is integrated the fan-shaped central angle of molded portion, magnet steel and injection-moulded plastic two limit part.
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, it is characterised in that the fan-shaped center of circle angle design load of integrated injection molding part two limit part of the magnet steel of described rotating shaft sub-unit and injection-moulded plastic is 90-100.
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, it is characterised in that
The crown magnet steel of circular arc of the circular arc outer peripheral face being arranged at connecting portion is formed by NdFeB magnetic powder die casting, surface has countersunk head structure to increase product strength, the crown magnet thickness of described circular arc is 2-6mm, connecting portion is PBT injected plastics material, and crown for described circular arc magnet steel and rotating shaft is formed by integrated injection molding.
Preferably, described injection-moulded plastic is PBT+30GF, and the crown magnet thickness of described circular arc is 2-4mm.
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, it is characterized in that, the crown magnet steel of circular arc of the circular arc outer peripheral face being arranged at connecting portion is formed by NdFeB magnetic powder die casting, and surface has countersunk head structure to increase product strength, and the crown magnet thickness of described circular arc is 2-5mm.
The application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, it is characterised in that
Described rotating shaft sub-unit, by being arranged on the axis hole on described rotating shaft sub-unit two end end cap, is rotatably mounted in the magnetic field space of arc-shaped magnetic pole of stator；
Being not powered on state, described rotating shaft sub-unit rests on magnet steel and stator initial position that magnetic pole is relative；
At powering state, described rotating shaft sub-unit, under the action of a magnetic field that stator winding produces, rotates to the magnet steel of the rotating shaft sub-unit operating position relative with a pair magnetic pole of stator,
The two ends of described rotating shaft sub-unit rotating shaft, are connected to a fork radially extended along rotating shaft；
Described movable light shield plate is fixedly connected on described fork, is placed on the optical axis of car light, and the angle between movable light shield plate and optical axis can change with the corner of rotating shaft sub-unit；The contour line of described movable light shield plate is in car light light path, and projection forms the distance illumination light type changed with the corner of rotating shaft sub-unit, and the angle of oscillation of movable light shield plate is identical with the corner of described rotating shaft sub-unit.
The application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, it is characterised in that:
Rotating shaft sub-unit magnetic pole is N pole；
After stator winding coil energising, light type conversion driving device is internal produces magnetic field, and upside winding produces the N repelled each other with rotor, and downside winding produces the S pole attracting with rotor；
Rotating shaft sub-unit, under the dual function of the captivation of repulsion and the downside winding of upside winding, produces downward rotary motion,
The movable light shield plate driving described car light type converting means swings, and completes light type switching.
According to the present invention, with described light type convert driving device rotating shaft sub-unit with the use of stator as follows, described stator core global sections is that arc-shaped is fan-shaped, it is wound with two stator winding between inside and outside two arc-shaped covering of the fans, described inner circle arcuation covering of the fan (409) is made up of the arc-shaped covering of the fan of two pieces of miniature reversing grooves of stalloy being provided with spacing 0.5-2mm, rotating around being shaped with a stator winding between described two pieces of inner circles arcuation covering of the fan (409) and cylindrical arcuation covering of the fan (410).
The cylindrical arcuation fan-like pattern of described stator core becomes 100-160 radian sector central angle, and the inner circle arcuation fan-like pattern of described stator core becomes 170-230 radian sector central angle.
Stator core entirety is stamped to form by stalloy superposition, and stalloy thickness is 0.3-2mm, and the overall length after stalloy superposition is 20～40mm.
The thickness design load of monolithic silicon steel sheet is 0.5-0.8mm, and the design load of the overall length after stalloy superposition is 25-30mm.
Described stator winding circle: 200-350, described stator winding wire diameter is at 0.14-0.28mm.Preferably, described stator winding circle: 248-288, described stator winding wire diameter 0.18-0.20mm.
Additionally, described stator global sections is that arc-shaped is fan-shaped, it is wound with two stator winding between inside and outside two arc-shaped covering of the fans, described inner circle arcuation covering of the fan (409) is made up of the arc-shaped covering of the fan of two pieces of miniature reversing grooves of stalloy being provided with spacing 0.5-2mm, rotating around being shaped with a stator winding between described two pieces of inner circles arcuation covering of the fan (409) and cylindrical arcuation covering of the fan (410). preferably, described two stator winding angle radian between core is 80-95 °.
Preferably, described inner circle arcuation covering of the fan (409) is made up of the arc-shaped covering of the fan of two pieces of miniature reversing grooves of stalloy being provided with spacing 0.8-1.2mm.
The effect of above-mentioned miniature reversing groove (gap) has two:
1. in order to ensure that the miniaturization of products designs, and take into account technique productibility, the reasonable value of acquirement；
2., with reversing groove little as far as possible, can guarantee that the winding turns of two phase windings is many as far as possible.
Driving device is converted according to a kind of car light type converting means light type of the present invention, it is characterised in that:
Described stator cylindrical arcuation fan-like pattern becomes 100-160 radian sector central angle alpha, and described stator inner circle arcuation fan-like pattern becomes 170-230 radian sector central angle β.
Described stator, the design of the fan-shaped central angle of inside and outside circle arcuation covering of the fan are the anglecs of rotation that the magnetic structure in order to coordinate light type conversion driving device overall and light type convert driving device.
Such as, the purpose of design of the fan-shaped central angle angle of described stator (stalloy) inside and outside arc-shaped covering of the fan is in order to when light type conversion driving device is in zero-bit, the magnet steel of rotating shaft can be covered by stalloy completely.State during with reference to the conversion driving device zero-bit of light type shown in Figure 14.
Convert the application of driving device rotating shaft sub-unit according to a kind of light type of the present invention, completing the switching of whole light type only needs within 30-90ms.Meet the switching time of regulation within 200ms.
The flat position of the metal rotating shaft of rotating shaft sub-unit is seated with draw-in groove in dark slide, uses professional equipment to crimp subsequently, and simple structure, high reliability, because requiring significantly high to product relative dimensions, must not have the phenomenon such as deflection, slight crack during crimping.
The application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, it is characterised in that: described rotating shaft is stainless steel metal material system, and two ends are formed for determining the flat position that initial angle, cross section are flat chordal shaped.
Preferably, converting driving device according to a kind of car light type converting means light type of the present invention, described flat position is before energising, and namely the start bit before car light type conversion is parallel with the blind end end wall that light type converts driving device.
According to a kind of light type conversion driving device rotating shaft sub-unit of the present invention, light type conversion driving device rotor is rigidly connected with dark slide, makes formation continuous action relation between dark slide and rotor, is achieved in the accurate change of light type.
At automobile long-and-short distant light in the process switched over, the angle change of movable light shield plate is the key of switching.Its motility is by the safety of the sensitivity or even driving that directly influence switching device.The present invention reduces the mechanical friction of movable light shield plate and surrounding components so that it is rotate more flexible, improve the sensitivity of switching.
Seeing Fig. 2, fixing dark slide is connected by rotating shaft with movable light shield plate, and movable light shield plate 3 rotates around the shaft.
Rotating shaft axially can be divided into 3 parts, and front and back end respectively utilizes riveted mode to connect fixing dark slide 5 and movable light shield plate 2.Movable light shield plate 2 end has one piece of rotating shaft spacing shim, is padded between riveted point and movable light shield plate 2, to ensure the freely rotatable of movable light shield plate 2.All leaving slight void between movable light shield plate 2 and rotating shaft spacing shim and rotating shaft 3 so that the rotation of dark slide is more flexible, switching sensitivity is higher.
The invention has the beneficial effects as follows:
1. the application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, light type conversion driving device is adopted to drive the mode of movable light shield plate to realize light type conversion, bigger collision noise can be sent when reducing electromagnetic actuation and release, provide the user more comfortable driving environment；
2. the application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, light type conversion driving device is adopted to drive movable light shield plate, reducing electric magnet vibrations of generation when adhesive and release causes the connection that light type shake and this vibrations cause to loosen, it is possible to the service life of raising electromagnetic rotating formula car light type converting means and reliability；
3. the application of driving device rotating shaft sub-unit is converted according to a kind of light type of the present invention, light type conversion driving device is adopted to replace the conversion of high-speed double electromagnet light type, there is bigger dark slide and regulate traverse, the movable light shield plate shading phenomenon near hinge place of original electric magnet switching can be reduced, therefore light type range of accommodation can be expanded under the premise not increasing electromagnetic actuator overall dimensions, thus decreasing the restriction to light type mapping device of the car light inner space.
Accompanying drawing explanation
Fig. 1 is the structural representation of car light type converting means of light type conversion driving device rotating shaft sub-unit and the light type conversion driving device thereof using the present invention；
Fig. 2 is the external structure schematic diagram of the light type conversion driving device of the light type conversion driving device rotating shaft sub-unit using the present invention；
Fig. 3 is the internal structure schematic diagram of the light type conversion driving device of the light type conversion driving device rotating shaft sub-unit using the present invention；
The light type conversion driving device that Fig. 4 is the light type conversion driving device rotating shaft sub-unit using the present invention drives dark slide to rotate the structural representation to operating position；
Fig. 5 is the schematic diagram that dark slide rotates the car light type converting means to operating position；
Fig. 6 is the assembly relation decomposing schematic representation of the car light type converting means of the light type conversion driving device rotating shaft sub-unit using the present invention.
Fig. 7 is the part explosive view of the light type conversion driving device of the light type conversion driving device rotating shaft sub-unit using the present invention.
Fig. 8 is the light type conversion driving device stator core axonometric chart of the light type conversion driving device rotating shaft sub-unit using the present invention.
Fig. 9 is the light type conversion driving device stator core sectional view of the light type conversion driving device rotating shaft sub-unit using the present invention.
Figure 10 is the rotating shaft sub-unit axonometric chart of the present invention.
Figure 11 is rotating shaft sub-unit and the position of stator schematic diagram of the light type conversion driving device of the present invention before car light type conversion；
Figure 12 is rotating shaft sub-unit and the position of stator schematic diagram of the light type conversion driving device of the present invention after car light type conversion.
Figure 13 is the rotating shaft sub-unit cross sectional view of the light type conversion driving device of the present invention；
Figure 14 is the view during rotating shaft sub-unit light type conversion driving device zero-bit of the light type conversion driving device of the present invention.
1-car light main body (reflecting mirror), 2-movable light shield plate, 11 is the spacing pad of dipped beam elastic rotation shaft, 12 is the spacing pad of distance light elastic rotation shaft, 3-volute spring, 4.-light type conversion driving device, 5-support (fixing dark slide), the connecting portion of 6-rotating shaft sub-unit, the crown magnet steel of circular arc that 7-is arranged on the circular arc outer peripheral face of connecting portion, 401-housing, 402-rotating shaft sub-unit, 403-stator core, 404-stator winding, 405-rotating shaft, the flat position of 406-, 407-side cover, 408-axis hole, 409-stator inner circle arcuation covering of the fan, 410-stator cylindrical arcuation covering of the fan, 412-bearing.
Detailed description of the invention
For better understanding of the technique scheme of the present invention, carry out the present invention is described in detail further below in conjunction with drawings and Examples.
Embodiment
One embodiment of light type conversion driving device is as it can be seen, convert in the embodiment of driving device in light type shown in the drawings, including housing 401, rotating shaft sub-unit 402, stator core 403, rotating shaft 405 and end cap 407, for driving the movable light shield plate 2 of car light type converting means.In order to more clearly represent the internal structure of light type conversion driving device 4, Fig. 3 and Fig. 4 eliminates end cap 407.
Stator core 403 is provided with stator winding 404, stator core 403 and stator winding 404 and is fixedly mounted on the inside of housing 401, constitutes the arc-shaped magnetic pole of the stator that can power up excitation a pair.
Rotating shaft sub-unit 402 is circular arc magnet steel parts, is fixed in rotating shaft 405, is placed in the magnetic field space of arc-shaped magnetic pole of stator core 403, and rotating shaft sub-unit 402 coordinates with described arc-shaped magnetic pole of the stator, is formed with the closed magnetic circuit of air gap.
The two ends of rotating shaft 405 connect a fork radially extended along rotating shaft respectively, and the movable light shield plate 2 of car light type converting means is fixedly connected on the fork at rotating shaft two ends, and the angle of oscillation of movable light shield plate 2 is identical with the corner of rotating shaft sub-unit 402.
The rotating shaft sub-unit 402 of light type conversion driving device 4, by being arranged on the axis hole 408 on end cap 407, is rotatably mounted in the magnetic field space of arc-shaped magnetic pole of stator core 403.Being not powered on state, rotating shaft sub-unit rests on magnet steel and stator initial position that magnetic pole is relative, referring to Fig. 3 and Figure 11.At powering state, rotating shaft sub-unit, under the action of a magnetic field that stator winding produces, rotates to the magnet steel operating position relative with a pair magnetic pole of stator, sees Fig. 4 and Figure 12.
The magnet steel of rotating shaft sub-unit 402 is integrated with rotating shaft 405 and fork injection mo(u)lding.
Fig. 1-6 illustrates an embodiment of the car light type converting means using above-mentioned light type conversion driving device, converts driving device 4 and the support (fixing dark slide) 5 being fixed in car light main body 1 including movable light shield plate 2, light type.Car light main body 1 is generally integrated with combination, therefore also referred to as reflecting mirror.The two ends of the rotating shaft 405 of light type conversion driving device 4, are connected to a fork radially extended along rotating shaft.Light type conversion driving device 4 is fixedly attached on support 5 by housing 401, is connected in car light main body 1 by support 5.
Movable light shield plate 2 is fixedly connected on fork, is placed on the optical axis of car light, and the angle between movable light shield plate 2 and optical axis can change with the corner of rotating shaft sub-unit 402；The contour line of movable light shield plate 2 is in car light light path, and projection forms the distance illumination light type changed with the corner of rotating shaft sub-unit 402.
Movable light shield plate 2 is welded to connect integral with rotating shaft 405 and fork.
According to a preferred embodiment, described light type converting means also comprises a scroll spring 301 and the spring assembly 3 of spring(-supported) mount 302 composition, described spring assembly 3 is fixed on support by spring(-supported) mount 302, the free end of scroll spring 301 is connected on movable light shield plate 2, it is being not powered on state, by fork and rotating shaft 405 transmission, rotating shaft sub-unit 402 is maintained at described initial position in the effect redoubling next time of scroll spring 301.
Fig. 7, Figure 10,13 illustrate the rotating shaft sub-unit using above-mentioned light type conversion driving device.
In figure, being arranged at the crown magnet steel of circular arc of the circular arc outer peripheral face of rotating shaft sub-unit connecting portion, the crown magnet steel of described circular arc is axial along rotating shaft sub-unit, and two side peripheries form axial buckle structure and are fixed on the connecting portion of rotating shaft sub-unit.
Described magnet steel is for be formed by NdFeB magnetic powder die casting, and described magnet thickness 3-4mm, connecting portion is PBT injected plastics material.The fan-shaped central angle of the described rotating shaft crown magnet steel of sub-unit circular arc is 135 °.
Described stator core cross section is that arc-shaped is fan-shaped, laminates stalloy and forms, and the thickness of monolithic silicon steel sheet is 0.6mm, and the design load of the overall length after stalloy superposition is 27-30mm.
Being wound with two stator winding between inside and outside two arc-shaped covering of the fans, described inner circle arcuation covering of the fan is made up of the inner circle arcuation covering of the fan in two pieces of spacing 1.0mm spaces, and described two pieces of inner circle arcuation covering of the fans are rotating around being shaped with a stator winding.Described stator winding circle: 266, described stator winding wire diameter 0.18-0.20mm.
It addition, described stator cylindrical arcuation fan-like pattern becomes 135 radian sector central angles, described stator inner circle arcuation fan-like pattern becomes 210 radian sector central angles.
Be positioned on the downside of stator coil winding, described stator inner circle arcuation covering of the fan is coated with green organic coating.
It addition, the free end of the scroll spring of described light type conversion driving device is connected on movable light shield plate, being not powered on state, by fork and rotating shaft transmission, described rotating shaft sub-unit is maintained at described initial position in the effect redoubling next time of scroll spring.
Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12 show a kind of car light type converting means light type conversion driving device stator.
In one embodiment, described housing is overall is made up of the white organic material being used for reducing heat absorption.
In one embodiment, described housing outer peripheral face is coated with the white coating for reducing heat absorption.
In one embodiment, light type conversion driving device case surface is aluminized.
In another embodiment; described housing periphery is provided with light type conversion driving device protective cover; described light type conversion driving device protective cover is metal system; for completely closely covering car light type converting means housing periphery; described light type conversion driving device protective cover periphery forms the bending part for protecting stator winding, and its part bending down is divided in a straight flange.
It addition, described light type conversion driving device protective cover and described housing outer peripheral face spacing are at 0.3-1.5mm, external heat to be separated with light type conversion driving device body, play the effect of protection light type conversion driving device.
Fixing dark slide 5 is connected by rotating shaft with movable light shield plate, and movable light shield plate 3 rotates around the shaft.
Rotating shaft axially can be divided into 3 parts, and front and back end respectively utilizes riveted mode to connect fixing dark slide 5 and movable light shield plate 2.Movable light shield plate 2 end has one piece of rotating shaft spacing shim, is padded between riveted point and movable light shield plate 2, to ensure the freely rotatable of movable light shield plate 2.All leaving slight void between movable light shield plate 2 and rotating shaft spacing shim and rotating shaft 3 so that the rotation of movable light shield plate is more flexible, switching sensitivity is higher.Car light type converting means completes the switching time of whole light type switching within 50ms.
Driving device rotating shaft sub-unit is converted according to light type provided by the invention, light type conversion driving device is adopted to drive the mode of movable light shield plate to realize light type conversion, bigger collision noise can be sent when reducing electromagnetic actuation and release, provide the user more comfortable driving environment.
Light type conversion driving device rotating shaft sub-unit according to the present invention, light type conversion driving device is adopted to drive movable light shield plate, reducing electric magnet vibrations of generation when adhesive and release causes the connection that light type shake and this vibrations cause to loosen, it is possible to the service life of raising electromagnetic rotating formula car light type converting means and reliability.
Light type conversion driving device rotating shaft sub-unit according to the present invention, light type conversion driving device is adopted to replace the conversion of high-speed double electromagnet light type, there is bigger movable light shield plate and regulate traverse, the dark slide shading phenomenon near hinge place of original electric magnet switching can be reduced, therefore light type range of accommodation can be expanded under the premise not increasing electromagnetic actuator overall dimensions, thus decreasing the restriction to light type mapping device of the car light inner space.
Claims (10)
1. a light type conversion driving device rotating shaft sub-unit, it is arranged in the light type conversion driving device of car light type converting means, for driving the dark slide of car light type converting means to swing, described light type conversion driving device includes the stator being fixedly mounted on enclosure interior, it is arranged on the rotating shaft sub-unit in the magnetic field space of magnetic pole of the stator, it is characterised in that:
Stator and stator winding constitute the arc-shaped magnetic pole of the stator that can power up excitation for a pair；
Described rotating shaft sub-unit cross section is fan-shaped, is placed in the magnetic field space of arc-shaped magnetic pole of the stator of stator, and rotating shaft sub-unit coordinates with described arc-shaped magnetic pole of the stator, is formed with the closed magnetic circuit of air gap；
Described rotating shaft sub-unit includes:
Rotating shaft,
It is arranged at the crown magnet steel of circular arc on fan-shaped rotating shaft sub-unit top peripheral face,
The connecting portion of fixing connection rotating shaft and the crown magnet steel of circular arc,
The fan-shaped central angle of the crown magnet steel of circular arc of described rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft sub-unit swings with spindle central around the shaft for initial point, its two ends connect a fork radially extended along rotating shaft respectively, for driving the dark slide of described car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft sub-unit.
2. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 1, it is characterized in that: the crown magnet steel of circular arc of the circular arc outer peripheral face being arranged at connecting portion is formed by NdFeB magnetic powder die casting, surface has countersunk head structure to increase product strength, and the crown magnet thickness of described circular arc is 2-5mm.
3. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 1, it is characterised in that:
Described stator core global sections is that arc-shaped is fan-shaped, it is wound with two stator winding between inside and outside two arc-shaped covering of the fans, described inner circle arcuation covering of the fan (409) is made up of the arc-shaped covering of the fan of two pieces of miniature reversing grooves of stalloy being provided with spacing 0.5-2mm, rotating around being shaped with a stator winding between described two pieces of inner circles arcuation covering of the fan (409) and cylindrical arcuation covering of the fan (410).
4. a kind of car light type converting means light type converts driving device as claimed in claim 1, it is characterized in that: the cylindrical arcuation fan-like pattern of described stator core becomes 100-160 radian sector central angle, the inner circle arcuation fan-like pattern of described stator core becomes 170-230 radian sector central angle.
5. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 1, it is characterised in that stator core entirety is stamped to form by stalloy superposition, and stalloy thickness is 0.3-2mm, and the overall length after stalloy superposition is 20～40mm.
6. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 5, it is characterised in that the thickness design load of monolithic silicon steel sheet is 0.5-0.8mm, and the design load of the overall length after stalloy superposition is 25-30mm.
7. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 1, it is characterised in that: described stator winding circle: 200-350, described stator winding wire diameter is at 0.14-0.28mm.
8. a kind of light type converts driving device rotating shaft sub-unit as claimed in claim 7, it is characterised in that: described stator winding circle: 248-288, described stator winding wire diameter 0.18-0.20mm.
9. an application for light type conversion driving device rotating shaft sub-unit, uses the light type conversion driving device rotating shaft sub-unit described in any one of claim 1-8, for driving the movable light shield plate of car light type converting means to swing, it is characterised in that:
Described rotating shaft sub-unit, by being arranged on the axis hole on described rotating shaft sub-unit two end end cap, is rotatably mounted in the magnetic field space of arc-shaped magnetic pole of stator；
Being not powered on state, described rotating shaft sub-unit rests on magnet steel and stator initial position that magnetic pole is relative；
At powering state, described rotating shaft sub-unit, under the action of a magnetic field that stator winding produces, rotates to the magnet steel of the rotating shaft sub-unit operating position relative with a pair magnetic pole of stator,
The two ends of described rotating shaft sub-unit rotating shaft, are connected to a fork radially extended along rotating shaft；
Described movable light shield plate is fixedly connected on described fork, is placed on the optical axis of car light, and the angle between movable light shield plate and optical axis can change with the corner of rotating shaft sub-unit；The contour line of described movable light shield plate is in car light light path, and projection forms the distance illumination light type changed with the corner of rotating shaft sub-unit, and the angle of oscillation of movable light shield plate is identical with the corner of described rotating shaft sub-unit.
10. the application of a kind of light type as claimed in claim 9 conversion driving device rotating shaft sub-unit, it is characterised in that:
Rotating shaft sub-unit magnetic pole is N pole；
After stator winding coil energising, light type conversion driving device is internal produces magnetic field, and upside winding produces the N repelled each other with rotor, and downside winding produces the S pole attracting with rotor；
Rotating shaft sub-unit, under the dual function of the captivation of repulsion and the downside winding of upside winding, produces downward rotary motion,
The movable light shield plate driving described car light type converting means swings, and completes light type switching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610116159.9A CN105774633B (en) | 2016-03-01 | 2016-03-01 | A kind of light type conversion driving device shaft sub-unit and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610116159.9A CN105774633B (en) | 2016-03-01 | 2016-03-01 | A kind of light type conversion driving device shaft sub-unit and its application |
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| CN105774633B CN105774633B (en) | 2018-05-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1655867A1 (en) * | 1968-01-11 | 1971-11-11 | Westfaelische Metall Industrie | Dimmable headlights, especially for motor vehicles |
| GB2459472A (en) * | 2008-04-23 | 2009-10-28 | Depo Auto Parts Ind Co Ltd | Vehicle headlight with mechanically operated dimming |
| EP2228588A2 (en) * | 2009-03-13 | 2010-09-15 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| CN102848969A (en) * | 2012-09-07 | 2013-01-02 | 上海小糸车灯有限公司 | Rotary electromagnetic actuating mechanism and car lamp upper and lower beam switching device thereof |
-
2016
- 2016-03-01 CN CN201610116159.9A patent/CN105774633B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1655867A1 (en) * | 1968-01-11 | 1971-11-11 | Westfaelische Metall Industrie | Dimmable headlights, especially for motor vehicles |
| GB2459472A (en) * | 2008-04-23 | 2009-10-28 | Depo Auto Parts Ind Co Ltd | Vehicle headlight with mechanically operated dimming |
| EP2228588A2 (en) * | 2009-03-13 | 2010-09-15 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| CN102848969A (en) * | 2012-09-07 | 2013-01-02 | 上海小糸车灯有限公司 | Rotary electromagnetic actuating mechanism and car lamp upper and lower beam switching device thereof |
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|---|---|
| CN105774633B (en) | 2018-05-29 |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
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