CN105720713A - Rotary shaft magnetic steel of lighting pattern conversion driving apparatus, single-pole magnetizing method and application for rotary shaft magnetic steel - Google Patents
Rotary shaft magnetic steel of lighting pattern conversion driving apparatus, single-pole magnetizing method and application for rotary shaft magnetic steel Download PDFInfo
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- CN105720713A CN105720713A CN201610116135.3A CN201610116135A CN105720713A CN 105720713 A CN105720713 A CN 105720713A CN 201610116135 A CN201610116135 A CN 201610116135A CN 105720713 A CN105720713 A CN 105720713A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a rotary shaft magnetic steel of a lighting pattern conversion driving apparatus, a single-pole magnetizing method and an application for the rotary shaft magnetic steel. A pair of circular arc-shaped stator magnetic poles that can be powered up and excited are arranged on the lighting pattern conversion driving apparatus and are matched with the rotary shaft magnetic steel to form a closed magnetic circuit with an air gap; the stator section is circular-arc fan-shaped; two stator windings are wound between inner and outer circular-arc fan-shaped surfaces; the rotary shaft magnetic steel is a circular-arc crown-shaped magnetic steel, and arranged on the circular-arc-shaped outer circumferential surface of the fan-shaped body of a rotary shaft sub assembly; the rotary shaft sub assembly is a rotor with a fan-shaped section; and the rotor shaft is fixedly connected with the fan-shaped body of the rotary shaft sub assembly. The single-pole magnetizing method for the rotary shaft magnetic steel comprises the following steps of mixing powder, pressing, curing, fine processing, surface processing, preparing an assembly with a rotary shaft plastic part, and radially magnetizing. By adoption of the rotary shaft magnetic steel, the technical problem of high noise in operation of the lighting pattern conversion mechanism can be solved by changing the movement patterns of the lighting pattern conversion driving apparatus; and meanwhile, the lighting pattern shaking can be avoided, and the reliability of the lighting pattern conversion mechanism can be improved.
Description
Technical field
The present invention relates to a kind of car light rotary electromagnetic actuator, in particular it relates to a kind of a kind of light type for car light type converting means converts driving device rotating shaft magnet steel and one pole magnetization method and methods for using them thereof.
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 described pin connected assembly rotating shaft as active blade, 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.For this, a kind of car light type converting means light type is needed to convert driving device and light type conversion driving device stator winding, described car light type converting means light type conversion driving device and light type conversion driving device stator winding can pass through to change the forms of motion of light type conversion driving device, solve the technical problem that light type mapping device operationally noise is big, simultaneously, light shape has been avoided to shake, improve the reliability of light type mapping device. and convert driving device to obtain a kind of car light type converting means light type of described needs, the light type conversion driving device rotating shaft magnet steel of a kind of and described light type conversion driving device stator winding pairing must be configured.
Summary of the invention
For overcoming the problems referred to above, it is an object of the invention to, a kind of light type conversion driving device rotating shaft magnet steel and one pole magnetization method thereof are provided, described light type conversion driving device rotating shaft magnet steel and one pole magnetization method thereof are 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 play the shake of light shape, improve the reliability of light type mapping device.
For solving above-mentioned technical problem, a kind of light type conversion driving device rotating shaft magnet steel of the present invention and the technical scheme of one pole magnetization method thereof are as follows:
A kind of light type conversion driving device rotating shaft magnet steel, for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, being formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means；
It is characterized in that:
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped,
The fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft swings with spindle central around the shaft for initial point, and its two ends connect a fork radially extended along rotating shaft respectively, and for driving the dark slide of car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
According to a kind of light type conversion driving device rotating shaft magnet steel 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, and neodymium iron boron, in press casting procedure, uses epoxy powder bonding.
According to a kind of light type conversion driving device rotating shaft magnet steel of the present invention, it is characterised in that:
The light type conversion driving device rotating shaft magnet steel constituting the crown magnet steel of described circular arc is formed with countersunk head structure increase product strength, and the light type conversion driving device rotating shaft magnet thickness constituting the crown magnet steel of described circular arc is 2-5mm.
According to a kind of light type conversion driving device rotating shaft magnet steel 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 magnet steel of the present invention, it is characterised in that:
It is 80～100 that the connecting portion of the light type conversion driving device rotating shaft magnet steel of fixing connection rotating shaft and the composition crown magnet steel of described 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 magnet steel of the present invention, it is characterised in that:
Light type conversion driving device rotating shaft magnet steel connecting portion is formed with the indent grooved of muscle.
Fully wrap with the integrated injection molding material with connecting portion and connect.
According to a kind of light type conversion driving device rotating shaft magnet steel of the present invention, it is characterised in that:
Magnet steel magnetic powder density >=3g/cm3, it is preferred that >=5.6g/cm3。
Thereby it is ensured that density is to ensure that the magnetic powder of magnet steel and the ratio optimization of binding agent, namely ensure magnet steel overall dimensions and intensity it is also desirable to ensure there is good magnetic behavior.
The one pole magnetization method of a kind of above-mentioned light type conversion driving device rotating shaft magnet steel, described method comprises the steps:
Step: mixed powder → compacting → solidification → polish → surface treatment → make assembly → radial magnetizing with rotating shaft working of plastics, it is characterised in that:
In mixed powder step, select magnet steel magnetic powder density >=3g/cm3, it is preferred that >=5.6g/cm3NdFeB magnetic powder,
At pressing step, epoxy powder is used to bond,
At curing schedule, magnet steel solidification is divided into following six stages:
First stage: solidification temperature is 165 ± 25 DEG C,
The second～five stage: solidification temperature is 170 ± 25 DEG C,
6th stage: solidification temperature is 160 ± 25 DEG C,
Overall hardening time 40～70min, overall cool time 4～18min,
In the step that magnetizes, the mode that magnetizes is for fill 1 pole outward, after the technique that magnetizes completes, and light type conversion driving device rotating shaft magnet steel table magnetic >=1200GS.
The one pole magnetization method of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, it is characterised in that
In the step that magnetizes, the mode that magnetizes is for fill 1 pole outward, and magnet charger parameter is electric capacity 4000～8000 (unit μ F), voltage 1000～5000 (unit: V).
According to a kind of light type conversion driving device rotating shaft magnet steel one pole magnetization method of the present invention, it is characterised in that
After the technique that magnetizes completes, light type conversion driving device rotating shaft magnet steel table magnetic is not less than 1500 Gausses.
A kind of application of above-mentioned light type conversion driving device rotating shaft magnet steel, described light type conversion driving device rotating shaft magnet steel is for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged at the rotating shaft sub-unit in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, it is formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means, it is characterized in that,
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped,
The fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft swings with spindle central around the shaft for initial point, and its two ends connect a fork radially extended along rotating shaft respectively, and for driving the dark slide of car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
The application of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, 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).
The application of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, it is characterised in that:
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.
The application of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, it is characterised in that:
Described stator winding circle: 248-288, described stator winding wire diameter 0.18-0.20mm.
The application of driving device rotating shaft magnet steel 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.
The application of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, 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 °.
Convert the application of driving device rotating shaft magnet steel 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.
According to a kind of light type conversion driving device rotating shaft magnet steel, its one pole magnetization method and application thereof of the present invention, magnet steel pore-free, slight crack, non-a century, damage, burn, fall the defects such as magnetic, leakage field, scuffing, and convert the pairing of driving device stator with described rotating shaft sub-unit and light type, can pass through to change 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 play the shake of light shape, improve the reliability of light type mapping device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the car light type converting means of the light type conversion driving device using the present invention.
Fig. 2 is the external structure schematic diagram of a kind of car light type converting means light type conversion driving device of the present invention.
Fig. 3 is the internal structure schematic diagram of a kind of car light type converting means light type conversion driving device of the present invention.
A kind of car light type converting means light type conversion driving device that Fig. 4 is 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 using the present invention.
Fig. 7 is the part explosive view of the light type conversion driving device of the present invention.
Fig. 8 is the light type conversion driving device stator axonometric chart of the present invention.
Fig. 9 is the light type conversion driving device stator sectional view of the present invention.
Figure 10 is the rotating shaft sub-unit axonometric chart of the present invention.
Figure 11 is rotating shaft sub-unit sectional view.
The rotating shaft magnet steel that Figure 12 is light type conversion driving device magnetizes a schematic diagram.
The label of each parts in figure: 1-car light main body (reflecting mirror), 2-movable light shield plate, 3-spring assembly, 4.-light type conversion driving device, 5-support (fixing dark slide), 401-light type conversion driving device housing, 402-rotating shaft sub-unit (magnet steel), 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, 9 is side cover sub-unit, and 10 is transient suppressor.11 is the spacing pad of dipped beam elastic rotation shaft, and 12 is the spacing pad of distance light elastic rotation shaft.
Detailed description of the invention
For better understanding of the technique scheme of the present invention, it is described in detail further below in conjunction with drawings and Examples.
Embodiment
A kind of light type conversion driving device rotating shaft magnet steel, for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged at the rotating shaft sub-unit in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, being formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means.
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped, and the fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm.
Described rotating shaft swings with spindle central around the shaft for initial point, and its two ends connect a fork radially extended along rotating shaft respectively, and for driving the dark slide of car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
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 neodymium iron boron, in press casting procedure, uses epoxy powder bonding.The light type conversion driving device rotating shaft magnet steel constituting the crown magnet steel of described circular arc is formed with countersunk head structure increase product strength, and the light type conversion driving device rotating shaft magnet thickness constituting the crown magnet steel of described circular arc is 2-5mm.Electromagnetic steel magnetic powder density >=5.6g/cm3.Magnet valve rotating shaft magnet steel connecting portion is formed with the indent grooved of muscle, fully wraps with the integrated injection molding material with connecting portion and connects.
The one pole magnetization method of above-mentioned light type conversion driving device rotating shaft magnet steel comprises the steps:
Step: mixed powder → compacting → solidification → polish → surface treatment → make assembly → radial magnetizing with rotating shaft working of plastics, it is characterised in that in mixed powder step, selects magnet steel magnetic powder density >=3g/cm3, it is preferred that >=5.6g/cm3NdFeB magnetic powder, at pressing step, use epoxy powder to bond, at curing schedule, magnet steel solidifies and is divided into following six stages:
First stage: solidification temperature is 165 ± 25 DEG C,
The second～five stage: solidification temperature is 170 ± 25 DEG C,
6th stage: solidification temperature is 160 ± 25 DEG C,
Overall hardening time 40～70min, overall cool time 4～18min, in the step that magnetizes, the mode that magnetizes is for fill 1 pole outward, after the technique that magnetizes completes, light type conversion driving device rotating shaft magnet steel table magnetic >=1500GS.
It addition, in the step that magnetizes, magnet charger parameter is electric capacity 4000～8000 (unit μ F), voltage 1000～5000 (unit: V).
The application of above-mentioned light type conversion driving device rotating shaft magnet steel, described light type conversion driving device rotating shaft magnet steel is for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged at the rotating shaft sub-unit in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, being formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means.
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped,
The fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft swings with spindle central around the shaft for initial point, and its two ends connect a fork radially extended along rotating shaft respectively, and for driving the dark slide of car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
The application of driving device rotating shaft magnet steel is converted according to a kind of light type of the present invention, 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 °.
Convert the application of driving device rotating shaft magnet steel 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.
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.
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.It is 80～100 that the connecting portion of the light type conversion driving device rotating shaft magnet steel of fixing connection rotating shaft and the composition crown magnet steel of described circular arc is integrated the fan-shaped central angle of molded portion, magnet steel and injection-moulded plastic two limit part.Described stator winding circle: 248-288, described stator winding wire diameter 0.18-0.20mm.
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, drives the movable light shield plate of described car light type converting means to swing, completes light type and switches.
According to a kind of light type conversion driving device rotating shaft magnet steel, its one pole magnetization method and application thereof of the present invention, magnet steel pore-free, slight crack, non-a century, damage, burn, fall the defects such as magnetic, leakage field, scuffing, and convert the pairing of driving device stator with described rotating shaft sub-unit and light type, can pass through to change 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 play the shake of light shape, improve the reliability of light type mapping device.
Convert in the embodiment of driving device in light type shown in the drawings, including housing 401, rotating shaft sub-unit 402, stator 403, rotating shaft 405 and end cap 407, for driving the movable light shield plate 2 of car light type converting means.Stator 403 is provided with stator winding 404, stator 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 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.
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.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.
One better embodiment of the light type conversion driving device according to the present invention, the magnet steel of rotating shaft sub-unit 402 is integrated with rotating shaft 405 and fork injection mo(u)lding.
Fig. 1, Fig. 5 and Fig. 6 illustrate an embodiment of the car light type converting means using above-mentioned light type conversion driving device of the present invention, convert 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.
Illustrate in a rotating shaft sub-unit figure, it is 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.
Additionally, described light type conversion driving device also comprises a scroll spring and the spring assembly of spring(-supported) mount composition, described spring assembly is fixed on housing by spring(-supported) mount, the free end of scroll spring is connected on movable light shield plate, it is 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.
Driving device rotating shaft magnet steel 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 magnet steel 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 magnet steel 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.
According to a kind of light type conversion driving device rotating shaft magnet steel, its one pole magnetization method and application thereof of the present invention, magnet steel pore-free, slight crack, non-a century, damage, burn, fall the defects such as magnetic, leakage field, scuffing, and convert the pairing of driving device stator with described rotating shaft sub-unit and light type, can pass through to change 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 play the shake of light shape, improve the reliability of light type mapping device.
Claims (10)
1. a light type conversion driving device rotating shaft magnet steel, for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, it is formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means
It is characterized in that:
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped,
The fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, and fan-shaped diameter is Φ 5～12mm,
Described rotating shaft swings with spindle central around the shaft for initial point, and its two ends connect a fork radially extended along rotating shaft respectively, and for driving the dark slide of car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
2. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 1, 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, and neodymium iron boron, in press casting procedure, uses epoxy powder bonding.
3. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 1, it is characterized in that: the light type conversion driving device rotating shaft magnet steel constituting the crown magnet steel of described circular arc is formed with countersunk head structure increase product strength, the light type conversion driving device rotating shaft magnet thickness constituting the crown magnet steel of described circular arc is 2-5mm.
4. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 1, it is characterised in that: the fan-shaped central angle of the light type conversion driving device rotating shaft magnet steel constituting the crown magnet steel of described circular arc is 100-140 °, and fan-shaped diameter is Φ 7～10mm.
5. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 1, it is characterized in that: it is 80～100 that the connecting portion of the light type conversion driving device rotating shaft magnet steel of fixing connection rotating shaft and the composition crown magnet steel of described circular arc is integrated the fan-shaped central angle of molded portion, magnet steel and injection-moulded plastic two limit part.
6. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 5, it is characterised in that: light type conversion driving device rotating shaft magnet steel connecting portion is formed with the indent grooved of muscle.
Fully wrap with the integrated injection molding material with connecting portion and connect.
7. a kind of light type converts driving device rotating shaft magnet steel as claimed in claim 1, it is characterised in that: magnet steel magnetic powder density >=3g/cm3, it is preferred that >=5.6g/cm3。
8. an one pole magnetization method for light type conversion driving device rotating shaft magnet steel described in any one of claim 1-7, described method comprises the steps:
Step: mixed powder → compacting → solidification → polish → surface treatment → make assembly → radial magnetizing with rotating shaft working of plastics, it is characterised in that
In mixed powder step, select magnet steel magnetic powder density >=3g/cm3, it is preferred that >=5.6g/cm3NdFeB magnetic powder,
At pressing step, epoxy powder is used to bond,
At curing schedule, magnet steel solidification is divided into following six stages:
First stage: solidification temperature is 165 ± 25 DEG C,
The second～five stage: solidification temperature is 170 ± 25 DEG C,
6th stage: solidification temperature is 160 ± 25 DEG C,
Overall hardening time 40～70min, overall cool time 4～18min, in the step that magnetizes, the mode that magnetizes is for filling outward 1 pole, magnet charger parameter is electric capacity 4000～8000 (unit μ F), voltage 1000～5000 (unit: V), after the technique that magnetizes completes, light type conversion driving device rotating shaft magnet steel table magnetic >=1200GS.
9. a kind of light type converts driving device rotating shaft magnet steel one pole magnetization method as claimed in claim 8, it is characterised in that: after the technique that magnetizes completes, light type conversion driving device rotating shaft magnet steel table magnetic is not less than 1500 Gausses.
10. the application of light type conversion driving device rotating shaft magnet steel described in an any one of claim 1-7, it is characterised in that:
Described light type conversion driving device rotating shaft magnet steel is for being built in the rotating shaft sub-unit of light type conversion driving device, described rotating shaft sub-unit is arranged at the rotating shaft sub-unit in the magnetic field space that the arc-shaped magnetic pole of the stator that can power up excitation for a pair being converted the stator core of driving device and stator winding by light type is constituted, light type conversion driving device rotating shaft magnet steel coordinates with described arc-shaped magnetic pole of the stator, it is formed with the closed magnetic circuit of air gap, described light type conversion driving device is for car light type converting means, it is characterised in that:
Described light type conversion driving device rotating shaft magnet steel is the crown magnet steel of circular arc, is arranged at the circular arc top peripheral face of rotating shaft sub-unit,
Described rotating shaft sub-unit is the rotor that cross section is fan-shaped,
The fan-shaped central angle of the crown magnet steel of circular arc being arranged at the circular arc top peripheral face of rotating shaft sub-unit is 80-200 °, fan-shaped diameter is Φ 5～12mm, described rotating shaft 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 car light type converting means to swing, the angle of oscillation of dark slide is identical with the corner of described rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116135.3A CN105720713A (en) | 2016-03-01 | 2016-03-01 | Rotary shaft magnetic steel of lighting pattern conversion driving apparatus, single-pole magnetizing method and application for rotary shaft magnetic steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116135.3A CN105720713A (en) | 2016-03-01 | 2016-03-01 | Rotary shaft magnetic steel of lighting pattern conversion driving apparatus, single-pole magnetizing method and application for rotary shaft magnetic steel |
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| CN105720713A true CN105720713A (en) | 2016-06-29 |
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| CN201610116135.3A Pending CN105720713A (en) | 2016-03-01 | 2016-03-01 | Rotary shaft magnetic steel of lighting pattern conversion driving apparatus, single-pole magnetizing method and application for rotary shaft magnetic steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106756433A (en) * | 2016-11-18 | 2017-05-31 | 淮北智淮科技有限公司 | A kind of production technology of magnetic links |
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| US20090244919A1 (en) * | 2006-09-20 | 2009-10-01 | Rodolfo Sirolla | Vehicle head lamp provided with dimming screen |
| 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 |
| CN103170630A (en) * | 2013-04-19 | 2013-06-26 | 安徽工业大学 | Forming method and device of anisotropic neodymium iron boron bonded permanent magnet |
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