CN105841098A - Shear type light pattern transformation driving device and light pattern transformation method thereof - Google Patents
Shear type light pattern transformation driving device and light pattern transformation method thereof Download PDFInfo
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- CN105841098A CN105841098A CN201610115466.5A CN201610115466A CN105841098A CN 105841098 A CN105841098 A CN 105841098A CN 201610115466 A CN201610115466 A CN 201610115466A CN 105841098 A CN105841098 A CN 105841098A
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- iron core
- light type
- driving means
- dynamic
- conversion driving
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnets (AREA)
Abstract
A shear type light pattern transformation driving device is mounted in front of a vehicle lamp body (reflecting mirror) and is used for driving a movable light shading plate of a vehicle lamp light pattern transformation device to swing. The shear type light pattern transformation driving device is characterized by comprising a stator part and an iron core part which is movably arranged on the core part of a stator and drives the movable light shading plate to act. The stator part is a hollow annular component around which a stator coil winding is wound; the iron core part comprises a movable iron core and a fixed iron core which are in a rod shape and are matched through axial attraction with convex and concave conical faces; after the light pattern transformation driving device is powered on, the movable iron core is magnetized and then is attracted in the direction of the fixed iron core, so that the movable light shading plate is driven and light pattern transformation is achieved. According to the shear type light pattern transformation driving device, the movement mode of the light pattern transformation driving device is changed to lower collision noise emitted when electromagnets are attracted and released; light pattern jittering is avoided, and the reliability of a light pattern transformation mechanism is improved; and meanwhile, clamping stagnation and failure possibly occurring to the light pattern transformation driving device are eliminated, and a safer and more comfortable driving environment is provided for a user.
Description
Technical field
The present invention relates to a kind of car light rotary electromagnetic actuator, in particular it relates to a kind of for car light
The shearing light type conversion driving means and light type alternative approach thereof of light type converting means, described light type conversion driving means and
Light type alternative approach is used for driving the dark slide of car light type converting means to swing, thus, it is achieved light type converts, and reduces electric magnet
The collision noise that can send when adhesive and release, provides 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, in opposite directions
And the reflection light on road surface can affect the vision of driver when the car bulb of row and climb and fall, if will result in the most by force driver
Do 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 is widely used light type mapping device and realizes the light type conversion control of automobile, electromagnetic actuator
(light type conversion driving means) is widely used in light type mapping device.Utilize the electric magnet absorption in electromagnetic actuator and return
The action of bullet can realize the switching of distance-light, and its action is the most 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) disclose a kind of far and near vehicle lamp switcher improvement, wherein
Described fixing catch is located at the leading edge of reflector body, and described adjusting apparatus includes light type conversion driving means and active catch
Sheet, described light type conversion driving means is provided with motion bar, uses and described active blade connects, described active blade
To be connected with described fixing catch with pin connected assembly, in order to by described pin connected assembly as the rotating shaft of active blade, institute
The active blade stated is to be extended with and the linking arm of the described perpendicular shape of active blade body, uses and the conversion of described light type
The motion bar of driving means connects；By the light type of described adjusting apparatus conversion driving means being located at the side of reflector body
Limit, and by pin connected assembly as the rotating shaft of described active blade, make described light type conversion driving means capable of reducing power consumption
Amount, helps at the light type produced heat energy of conversion driving means itself described in minimizing, and reduces 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) disclose a kind of far and near lamp switching for car headlamp
Device, it is mainly by fixing dark slide, movable light shield plate, rotating shaft, rotating shaft spacing shim, electromagnet and sleeve member
Composition.The far and near lamp handoff functionality assembly of this utility model have simple in construction, be readily produced assembling, switching is swift in response, hides
The feature that light effect is good, can switch automobile long-and-short distant light more efficient, safely, improves the safety travelled.
But, in actual applications, can send relatively during due to the electromagnetic actuation in existing electromagnetic actuator and release
Big collision noise, thus attract the complaint of some users.Under the overall situation the most increasingly emphasizing user's comfort,
Noise when reducing electromagnetic actuator work just seems and is extremely necessary.Additionally, electric magnet can produce when adhesive and release
Raw stronger vibrations, the most easily cause light shape to shake, and this vibrations also can cause the faults such as connection loosens, and affect light type and become
The reliability of converting mechanism.
It addition, the execution unit that light type conversion driving means converts as light type, carry very important effect.Light type
Conversion driving means unfailing performance it is critical that, in distance-light handoff procedure, light type conversion driving means any
Clamping stagnation all can bring huge risk to traffic safety with losing efficacy.
Summary of the invention
For overcoming the problems referred to above, it is an object of the invention to, it is provided that a kind of shearing light type conversion driving means and light thereof
Type alternative approach, described shearing light type conversion driving means and light type alternative approach thereof are used for driving car light type converting means
Dark slide swing, thus, it is achieved light type convert, the present invention by change light type conversion driving means forms of motion, reduce
The collision noise that can send when electromagnetic actuation and release；Avoid light shape to shake, improve the reliability of light type mapping device, with
Time, eliminate the light type conversion issuable clamping stagnation of driving means and inefficacy, provide the user safer, comfortable driving ring
Border.
For solving above-mentioned technical problem, the technical scheme of a kind of shearing light type conversion driving means of the present invention is as follows:
A kind of shearing light type conversion driving means, before being installed on lamp reflector, is used for driving car light type conversion dress
The movable light shield plate put swings, it is characterised in that:
Described shearing light type conversion driving means includes stator department and is movably arranged in stator bore, drives movable screening
The iron core portion of tabula rasa action,
Described stator department is the hollow annular structure being wound with stator coil winding,
Described iron core portion includes dynamic iron core and static iron core, described iron core portion shaft-like, axially inhale cooperation with the concavo-convex conical surface
Dynamic iron core move the place of cooperation with the suction of static iron core and be formed as convex cone face, the static iron core in described iron core portion is dynamic with the suction of dynamic iron core to be coordinated
Place is formed as concave cone face, and dynamic iron core core has the hollow core that drive rod runs through static iron core movably, connects and drives movably
Dark slide,
When after light type conversion driving means energising, the dynamic iron core backward static iron core direction that is magnetized is inhaled dynamic, thus drives movable
Dark slide, it is achieved light type converts.
Driving means is converted, it is characterised in that described iron core portion dynamic and static according to the shearing light type of one of the present invention
Iron core periphery joint after axially inhaling cooperation with the concavo-convex conical surface is formed with plane position limiting structure, meanwhile, at described iron core
The dynamic and static iron core in portion is inhaled and is provided with gap between the dynamic concavo-convex conical surface coordinated.
Driving means is converted, it is characterised in that described iron core portion dynamic and static according to the shearing light type of one of the present invention
The tapering of the concavo-convex conical surface of iron core is 10-50 ° of scope.
Preferably, the tapering of the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 25-35 ° of scope.
Driving means is converted, it is characterised in that the dynamic ferrum in described iron core portion according to the shearing light type of one of the present invention
The cone angle tolerance of core takes tolerance, i.e. design load (+0.5 °/0 °), and the cone angle tolerance of the static iron core in described iron core portion takes off tolerance
Design load is 30 ° (0 °/-0.5 °).
This is because, owing to having gap to design between two conical surfaces, in order to avoid the locked situation of the conical surface completely, for two cones
The requirement of face angle is that the cone angle tolerance of static iron core takes off tolerance；The cone angle tolerance of dynamic iron core takes tolerance.
Driving means is converted, it is characterised in that be arranged at described iron core portion according to the shearing light type of one of the present invention
Dynamic and static iron core the concavo-convex conical surface between gap be 0.1-1mm.
Preferably, the gap between the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 0.1-0.5mm.
Driving means is converted, it is characterised in that the dynamic ferrum in described iron core portion according to the shearing light type of one of the present invention
The drive rod of core core is tapered rod, and tapered rod is outside equipped with volute spring, and tapering is 1-5 °.
Preferably, the tapering of the volute spring arranged outside the tapered rod in described iron core portion and tapered rod is 1 °.
Driving means is converted, it is characterised in that described stator coil winding according to the shearing light type of one of the present invention
The number of turn: 800-2000, copper factor more than 95%, described stator coil winding wire diameter is at 0.14-0.35mm.
Preferably, the preferred number of turn of described stator coil is 1400 ± 50 circles, and coil windings line footpath is 0.18～0.3mm.
Driving means is converted, it is characterised in that the dynamic ferrum in described iron core portion according to the shearing light type of one of the present invention
Core core stroke is 3～9mm, and movable light shield plate hunting range is 25～75.
Preferably, the dynamic iron core core stroke in described iron core portion is 5-7mm, movable light shield plate hunting range be 55～
65゜。
Converting driving means according to the shearing light type of one of the present invention, its principle is as follows: after coil electricity,
A field circuit will be produced inside light type conversion driving means.After dynamic iron core magnetization, it will attract with static iron core, produce
Electromagnetic force.After electromagnetic force overcomes the elastic force of spring, rustless steel push rod will stretch out and arrive operating position.
After coil blackout, dynamic iron core returns to initial position under spring force.
Whole light type conversion driving means light type conversion process relates only to light type conversion driving means and dark slide two
Parts, therefore be a primary transmission structure；
After light type conversion driving means energising, push rod stretches out, and drives dark slide to rotate around the shaft, completes light type transformed
Journey；
In this light type mapped structure, being specifically designed lining, these parts can make the stainless steel top of light type conversion driving means
Bar can make light type conversion process smooth and easy, without clamping stagnation in light type conversion process.
The technical scheme of the light type alternative approach of a kind of shearing light type conversion driving means of the present invention is as follows:
The light type alternative approach of a kind of shearing light type conversion driving means, uses the conversion of above-mentioned shearing light type to drive dress
Put, it is characterised in that:
Described shearing light type conversion driving means includes stator department and is movably arranged in stator bore, drives movable screening
The iron core portion of tabula rasa action,
Described stator department is the annular being wound with stator coil winding,
Described iron core portion includes dynamic iron core and static iron core shaft-like, axially inhale cooperation with the concavo-convex conical surface, when light type converts
After driving means energising, the dynamic iron core backward static iron core direction that is magnetized is inhaled dynamic, thus drives movable light shield plate, it is achieved light type becomes
Change.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
The tapering of the concavo-convex conical surface stating the dynamic and static iron core in iron core portion is 10-50 ° of scope.
Preferably, the tapering of the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 25-35 ° of scope.
It is partly a conical surface owing to sound iron core is harmonious, if so both limit method designs are unreasonable, such as depended on
Position the clamping stagnation sometimes resulting in light type conversion driving means by the conical surface, thus cause the inefficacy that whole light type converts.
It addition, dynamic and static core design become to be dependent on two conical surfaces carry out inhaling dynamic after location, then the concordance of tapering,
The factors such as the roughness on conical surface surface, after all causing the mutual adhesive of sound iron core, it is impossible to resilience smoothly, can protect under extreme case
Holding cannot return in attracted position.To this end, in view of the unreliability of conical surface location, the sound iron core limit designed by the present invention
Position mode makes to have left certain gap between two conical surfaces, and thus, can evade adhesive cannot the failure risk of resilience.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
The cone angle tolerance of the dynamic iron core stating iron core portion takes tolerance, and the cone angle tolerance of the static iron core in described iron core portion takes off tolerance.
This is because, owing to having gap to design between two conical surfaces, in order to avoid the locked situation of the conical surface completely, for two cones
The requirement of face angle is that the cone angle tolerance of static iron core takes off tolerance；The cone angle tolerance of dynamic iron core takes tolerance.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that set
Gap between the concavo-convex conical surface of the dynamic and static iron core being placed in described iron core portion is 0.1-1mm.
Preferably, the gap between the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 0.1-0.5mm.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
The drive rod of the dynamic iron core core stating iron core portion is tapered rod, and tapered rod is outside equipped with volute spring, and tapering is 1-5 °.
Preferably, the tapering of the volute spring arranged outside the tapered rod in described iron core portion and tapered rod is 1 °.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
Stating stator coil umber of turn: 800-2000, copper factor more than 95%, described stator coil winding wire diameter is at 0.14-0.35mm.
Preferably, the preferred number of turn of described stator coil is 1400 ± 50 circles, and coil windings line footpath is 0.18～0.3mm.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
The dynamic iron core core stroke stating iron core portion is 3～9mm, and movable light shield plate hunting range is 25～75.
Preferably, the dynamic iron core core stroke in described iron core portion is 5-7mm, movable light shield plate hunting range be 55～
65゜。
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that institute
The cone angle tolerance of the dynamic iron core stating iron core portion takes tolerance, i.e. design load (+0.5 °/0 °), the cone of the static iron core in described iron core portion
It is 30 ° (0 °/-0.5 °) that angle tolerance takes off tolerance design value.
According to the light type alternative approach of a kind of shearing light type of the present invention conversion driving means, its principle is as follows:
After coil electricity, a field circuit will be produced inside light type conversion driving means.Dynamic iron core magnetization
After, it will attract with static iron core, produce electromagnetic force.After electromagnetic force overcomes the elastic force of spring, rustless steel push rod will
Stretch out and arrive operating position.
After coil blackout, dynamic iron core returns to initial position under spring force.
Light type alternative approach according to a kind of shearing light type of the present invention conversion driving means, it is characterised in that
The dynamic and static iron core in described iron core portion periphery joint after axially inhaling cooperation with the concavo-convex conical surface is formed with plane
Position limiting structure, meanwhile,
It is provided with gap between the concavo-convex conical surface of the dynamic and static iron core in described iron core portion.
It is partly a conical surface owing to sound iron core is harmonious, if so both limit method designs are unreasonable, such as depended on
Position the clamping stagnation sometimes resulting in light type conversion driving means by the conical surface, thus cause the inefficacy that whole light type converts.
It addition, dynamic and static core design become to be dependent on two conical surfaces carry out inhaling dynamic after location, then the concordance of tapering,
The factors such as the roughness on conical surface surface, after all causing the mutual adhesive of sound iron core, it is impossible to resilience smoothly, can protect under extreme case
Holding cannot return in attracted position.To this end, in view of the unreliability of conical surface location, the sound iron core designed by the present invention is spacing
Mode makes to have left certain gap between two conical surfaces, and thus, can evade adhesive cannot the failure risk of resilience.
It is used for driving car light type conversion dress according to light type of the present invention conversion driving means and light type alternative approach thereof
The dark slide put swings, thus, it is achieved light type converts, the collision noise that can send when reducing electromagnetic actuation and release, for
Family provides more comfortable driving environment.
Accompanying drawing explanation
Fig. 1 is the view using a kind of shearing light type conversion driving means of the present invention to implement the first light type；
Fig. 2 is the state signal using a kind of shearing light type conversion driving means of the present invention to transform to the second light type
Figure；
Fig. 3 A, CONTACT WITH FRICTION light type that may be present conversion driving means when B, C are to use iron core conical surface location respectively
Clamping stagnation schematic diagram；
Fig. 4 is the dynamic iron core schematic perspective view of a kind of shearing light type conversion driving means of the present invention；
Fig. 5 is the static iron core schematic perspective view of a kind of shearing light type conversion driving means of the present invention；
Fig. 6 is that the one shearing light type conversion driving means of the present invention uses sound iron core limit method schematic diagram；
Fig. 7 is the one shearing light type conversion driving means principle schematic one of the present invention；
Fig. 8 is the one shearing light type conversion driving means principle schematic two of the present invention.
In figure: 1 is fixing dark slide, and 2 is movable light shield plate, and 3 is rotary shaft, and 4 is rotating shaft spacing shim, and 5 is shearing
Light type conversion driving means, 5-1 is drive rod L-type structure, and 6 is lining, and 7 is drive rod, and 2-1 is the groove knot of movable light shield plate
Structure, 2-2 is the hole, location on movable light shield plate 2.
8 is stator department, and 9 is iron core portion, 10,11 the most shaft-like, axially inhale with the concavo-convex conical surface the dynamic iron core coordinated and
Static iron core, 13 is spring.
Detailed description of the invention
For better understanding of the technique scheme of the present invention, carry out the present invention with embodiment below in conjunction with the accompanying drawings
Describe in detail further.
Embodiment
A kind of shearing light type conversion driving means, is installed on car light main body (reflecting mirror) front, is used for driving car light type
The movable light shield plate of converting means swings, and shearing light type conversion driving means includes stator department and is movably arranged in stator core
Portion, the iron core portion of driving movable light shield plate action, described stator department is the annular being wound with stator coil winding.Described iron core portion wraps
Include dynamic iron core and static iron core shaft-like, axially inhale cooperation with the concavo-convex conical surface, the dynamic iron core in described iron core portion and the company of static iron core
The place of connecing is formed as convex cone face, and core has drive rod to run through static iron core core movably, connects and drives movable light shield plate, described
The static iron core in iron core portion is formed as concave cone face with the junction of dynamic iron core.
When after light type conversion driving means energising, the dynamic iron core backward static iron core direction that is magnetized is inhaled dynamic, thus drives movable
Dark slide, it is achieved light type converts.
According to the present embodiment, the dynamic and static iron core in described iron core portion periphery after axially inhaling cooperation with the concavo-convex conical surface connects
It is formed with plane position limiting structure at conjunction, meanwhile, between the concavo-convex conical surface of the dynamic and static iron core in described iron core portion, is provided with gap.
The dynamic core dimensions in described iron core portion is: external diameter 7.8-8mmmm, long 19-20mm, drive rod diameter 2mm, with quiet ferrum
Core joint length: 4-5mm, tapering: 30 °+0-0.5 °,
The static iron core in described iron core portion is a size of: external diameter 9mmmm, long 21.5mm, and dynamic iron core joint length: 4-5mm,
Tapering: 30 °-0-0.5 °, hollow core forms aperture and is respectively the staged core of 4mm and 2mm.
According to the present embodiment, the tapering of the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 30-35 ° of scope.
It is partly a conical surface owing to sound iron core is harmonious, if so both limit method designs are unreasonable, such as depended on
Position the clamping stagnation sometimes resulting in light type conversion driving means by the conical surface, thus cause the inefficacy that whole light type converts.
It addition, dynamic and static core design become to be dependent on two conical surfaces carry out inhaling dynamic after location, then the concordance of tapering,
The factors such as the roughness on conical surface surface, after all causing the mutual adhesive of sound iron core, it is impossible to resilience smoothly, can protect under extreme case
Holding cannot return in attracted position.To this end, in view of the unreliability of conical surface location, the sound iron core designed by the present invention is spacing
Mode makes to have left certain gap between two conical surfaces, and thus, can evade adhesive cannot the failure risk of resilience.
The cone angle tolerance of the dynamic iron core in described iron core portion takes tolerance, and the cone angle tolerance of the static iron core in described iron core portion takes off
Tolerance.Gap between the concavo-convex conical surface of the dynamic and static iron core in described iron core portion is 0.1-0.5mm.
It addition, the drive rod of the dynamic iron core core in described iron core portion is tapered rod, tapered rod is outside equipped with volute spring, its
Tapering be 1-2 ° of tapered section length be 4-7mm.
The preferred number of turn of described stator coil is 1400 ± 50 circles, and coil windings line footpath is 0.18～0.3mm.
The dynamic iron core core stroke in described iron core portion is 5-7mm, and movable light shield plate hunting range is 55～65.
It addition, in the present embodiment, described drive rod 5-1 is axially extended, and the one end that is connected with sleeve member (6) bends in L
After shape, it is inserted directly into the endoporus of sleeve member 6, is connected with movable light shield plate 2.
Described movable light shield plate 2 is provided with fixed installation hole, and rotary shaft 3 runs through described movable light shield plate 2 simultaneously and is provided with
Fixed installation hole and fixing dark slide 1 on installing hole, two pieces of dark slides are fixed at the two ends of rotary shaft 3 after riveted.
The outside of described sleeve member 6 has the snap finger structure of bending, and movable light shield plate 2 is provided with groove structure 2-1, lining
Set component 6 directly obtains eye-splice mode by snap finger structure and is fixed on movable light shield plate 2.
Described sleeve member 6 center also has a positioning boss, coordinates with hole, the location 2-2 on movable light shield plate 2, rises
Effect to location.
The center of described boss separately has endoporus, and drive rod L-type structure 5-1 has been inserted directly therein and movable light shield plate
The connection of 2.
According to the present embodiment, this sleeve member can make light type conversion driving means rustless steel push rod can be transformed in light type
Cheng Zhong, can make light type conversion process smooth and easy, without clamping stagnation.
It addition, dynamic and static core design become to be dependent on two conical surfaces carry out inhaling dynamic after location, then the concordance of tapering,
The factors such as the roughness on conical surface surface, after all causing the mutual adhesive of sound iron core, it is impossible to resilience smoothly, can protect under extreme case
Holding cannot return in attracted position.To this end, in view of the unreliability of conical surface location, the sound iron core designed by the present invention is spacing
Mode makes to have left certain gap between two conical surfaces, and thus, can evade adhesive cannot the failure risk of resilience.
It is used for driving car light type conversion dress according to light type of the present invention conversion driving means and light type alternative approach thereof
The dark slide put swings, thus, it is achieved light type converts, the collision noise that can send when reducing electromagnetic actuation and release, for
Family provides more comfortable driving environment.
Claims (10)
1. a shearing light type conversion driving means, before being installed on lamp reflector, is used for driving car light type converting means
Movable light shield plate swing, it is characterised in that:
Described shearing light type conversion driving means includes stator department and is movably arranged in stator bore, drives movable light shield plate
The iron core portion of action,
Described stator department is the hollow annular structure being wound with stator coil winding,
Described iron core portion includes dynamic iron core and static iron core shaft-like, axially inhale cooperation with the concavo-convex conical surface, and described iron core portion is moved
Iron core moves the place of cooperation and is formed as convex cone face with the suction of static iron core, and the static iron core in described iron core portion moves with the suction of dynamic iron core and coordinates place's shape
Become concave cone face, and dynamic iron core core has the hollow core that drive rod runs through static iron core movably, connects and drives movable light shield
Plate,
When after light type conversion driving means energising, the dynamic iron core backward static iron core direction that is magnetized is inhaled dynamic, thus drives movable light shield
Plate, it is achieved light type converts.
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that described iron core portion dynamic and static
Iron core periphery joint after axially inhaling cooperation with the concavo-convex conical surface is formed with plane position limiting structure, meanwhile, at described iron core
The dynamic and static iron core in portion is inhaled and is provided with gap between the dynamic concavo-convex conical surface coordinated.
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that described iron core portion dynamic and static
The tapering of the concavo-convex conical surface of iron core is 10-50 ° of scope.
4. a kind of shearing light type conversion driving means as described in any one of claim 1-3, it is characterised in that described iron core portion
The cone angle tolerance of dynamic iron core take tolerance, i.e. design load (+0.5 °/0 °), the cone angle tolerance of the static iron core in described iron core portion takes
Lower tolerance design value is 30 ° (0 °/-0.5 °).
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that be arranged at described iron core portion
Gap between the concavo-convex conical surface of dynamic and static iron core is 0.1-1mm.
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that the dynamic iron core in described iron core portion
The drive rod of core is tapered rod, and tapered rod is outside equipped with volute spring, and tapering is 1-5 °.
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that described stator coil winding turns
Number: 800-2000, copper factor more than 95%, described stator coil winding wire diameter is at 0.14-0.35mm.
A kind of shearing light type the most as claimed in claim 1 conversion driving means, it is characterised in that the dynamic iron core in described iron core portion
Core stroke is 3～9mm, and movable light shield plate hunting range is 25～75.
9. a light type alternative approach for shearing light type conversion driving means, uses cutting described in any one of claim 1-8
Cut light type conversion driving means, drives the movable light shield plate of car light type converting means to swing, it is achieved light type converts, its feature
It is,
Described movable light shield plate the rotating shaft around its one end can rotate and swing up and down,
Being not powered on state, movable light shield plate is in the first light type state,
At powering state, i.e. after coil electricity, inside light type conversion driving means, produce a field circuit, dynamic ferrum
Core magnetizes, and produces electromagnetic force with static iron core after attracting, when electromagnetic force overcomes the spring being arranged within light type conversion driving means
Elastic force after, the drive rod of dynamic iron core core stretches out shearing light type conversion driving means through the hollow core of static iron core and arrives
Reach operating position, drive movable light shield plate to rotate around the shaft, it is achieved light type converts,
After coil blackout, under the effect of the spring force of the spring that dynamic iron core is arranged outside the drive rod of its core, return initial bit
Put, return to the first light type state.
The light type alternative approach of a kind of shearing light type the most as claimed in claim 9 conversion driving means, it is characterised in that dynamic
The shearing light type conversion driving means external part of the drive rod of iron core core connects sleeve member, described sleeve member and mat
Matched by the movable light shield plate (2) around rotary shaft 3 its angle of freely rotatable change.
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| CN201610115466.5A CN105841098A (en) | 2016-03-01 | 2016-03-01 | Shear type light pattern transformation driving device and light pattern transformation method thereof |
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| CN201610115466.5A CN105841098A (en) | 2016-03-01 | 2016-03-01 | Shear type light pattern transformation driving device and light pattern transformation method thereof |
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