CN108141104A - Wiper direct driver - Google Patents
Wiper direct driver Download PDFInfo
- Publication number
- CN108141104A CN108141104A CN201680063423.5A CN201680063423A CN108141104A CN 108141104 A CN108141104 A CN 108141104A CN 201680063423 A CN201680063423 A CN 201680063423A CN 108141104 A CN108141104 A CN 108141104A
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- China
- Prior art keywords
- direct driver
- wiper
- motors
- driver according
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/223—Heat bridges
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/081—Structural association with bearings specially adapted for worm gear drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of device for mounting windshield wiper for motor vehicle（12）Wiper direct driver（10）, the wiper direct driver is with EC motors（20）And screw gearing（22）, wherein the EC motors（20）It is disposed in motor shell（14）In and the screw gearing（22）It is disposed in gear mechanism housing（16）In, and wherein described screw gearing（22）With helical gear, the helical gear has to fix the device for mounting windshield wiper（12）Wiper arm（32）Output axle journal（30）It and can be by the EC motors（20）It is rotatably driven, the EC motors（20）With armature spindle, the armature spindle at least section it is equipped with worm screw and is supported on the first and second positions of bearings in a manner of rotatable movement, first and second position of bearings is disposed in the gear mechanism housing in the both sides of the worm screw（16）It is interior.
Description
Technical field
The present invention relates to a kind of wiper direct driver of the device for mounting windshield wiper for motor vehicle, which directly drives
Dynamic utensil has EC- motors and screw gearing, wherein the EC- motors are disposed in motor shell and the spiral shell
Rotation gear assembly is disposed in gear mechanism housing, and wherein described screw gearing has helical tooth
Wheel, the helical gear has simultaneously can be by the EC- motors for fixing the output axle journal of the Wiper arm of device for mounting windshield wiper
It is rotatably driven.
Background technology
It there is known by 6,944,906 B2 of United States Patent (USP) a kind of for brushless or electronic commutation d.c. motor
Motor vehicle device for mounting windshield wiper wiper wiper direct driver.This specification it is further during, it is this
Brushless or electronic commutation d.c. motor is by EC- motors of abridging（The motor of electronic commutation）Continuously refer to.
In the case of this previously known wiper direct driver, the bearing of armature spindle is being attached troops to a unit at least partly
In being carried out in the motor shell of EC- motors, and EC- motors are implemented as external-rotor motor in itself.In addition, it is consumed by means of construction
The planetary transmission of expense is adapted to EC- motors necessary rotating speed and torque in operation.
Invention content
The present invention relates to a kind of wiper direct driver of the device for mounting windshield wiper for motor vehicle, which directly drives
Dynamic utensil has EC- motors and screw gearing, wherein the EC- motors are disposed in motor shell and the spiral shell
Rotation gear assembly is disposed in gear mechanism housing, and wherein described screw gearing has helical tooth
Wheel, the helical gear has simultaneously can be by the EC- motors for fixing the output axle journal of the Wiper arm of device for mounting windshield wiper
It is rotatably driven.EC- motors have armature spindle, are equipped with to the armature spindle at least section worm screw and in a manner of rotatable movement
It is supported on the first and second positions of bearings, first and second position of bearings is disposed in transmission dress in the both sides of worm screw
It puts in housing.
Therefore, at the same time bending resistance and make the feelings of the bearing of the stabilization of the armature spindle of EC- motors about helical gear
Under condition, the especially compact construction of wiper direct driver has been obtained.In addition, by gear mechanism housing to worm screw into
Row is accurate, the bearing of bilateral, reduces running noise and generates and reduce transmission device abrasion.In addition, pass through EC-
The use of motor has obtained the low-maintenance of wiper direct driver and the operation of low noise.In addition, compared with commutator motor,
The spark of corresponding reverser is eliminated in EC- motors, this leads to changing for the Electro Magnetic Compatibility of wiper direct driver
It is kind.The especially inherently independent noise source of commutator, the noise source are removed in EC- motors.
Preferably, free end section of the armature spindle with worm screw backwards, the stack of laminations anti-torsion equipped with permanent magnet
It is disposed in the end section, wherein the worm screw rabbets with helical gear, and wherein described folded equipped with permanent magnet
Piece group is surrounded in coaxial fashion by the stator with stator winding being contained in motor shell.
Thus compared with using commutator motor, the significant waste heat that will be discharged in coil windings that improves is discharged to motor shell
In body and hence improve the thermal balance (W rmehaushalt) of wiper direct driver.
Preferably, clutch shaft bearing position is located closer to motor shell than second bearing, and clutch shaft bearing position is by structure
It makes and is configured to floating bearing for fixing bearing and second bearing position.
It is possible thereby to realize so-called fixation-floating-bearing, and avoid in wiper direct driver due to heat
The mechanical stress of bulking effect.Furthermore, it is possible to save makes in armature spindle in the region of the free end section of worm screw
With spring bearing or other necessary 3rd bearing positions.
In the first embodiment, circuit board is disposed in together with control electronic device in motor shell, wherein electricity
Road plate vertically and with the previously given distance axially-spaced with the free end section of armature spindle extends.
It is thereby achieved that the improved heat dissipation of control electronic device.Here, control electronic device include for it is internal into
The logic electronics device of process control and the power electronic device for directly manipulating stator winding.
Preferably, circuit board is equipped with rotor-position sensor, the rotor-position sensor and the freedom for being located in armature spindle
End section on permanent magnet collective effect to carry out rotor-position detection.
It is thereby achieved that the electronics of EC- motors and in a non-contact manner and therefore commutation without abrasion.
Preferably, control electronic device has the outgoing position sensing for detecting the current rotation position of output axle journal
Device.
As thus caused pure electronic coupled as a result, it is possible to achieve the accurate space of at least two windshield wiper blades
Coordinate particularly for avoiding collision, the windshield wiper blade is correspondingly driven by means of wiper direct driver according to the present invention
It is dynamic.Furthermore, it is possible to realize the limitation to scraping pool, this scrapes pool by being placed in movement by means of wiper direct driver
At least one of windshield wiper blade it is inswept.The resolution capabilities and measurement accuracy of outgoing position sensor when necessary can be according to outputs
The different rotary angular range of axis and change.
Preferably, circuit board and the stent of tab shaped connect, and the stent of the tab shaped passes through the gear mechanism housing
In be open and be located in the helical gear region free end, wherein the outgoing position sensor quilt
It arranges on the free end and toroidal magnet is provided on the helical gear and be used to sense with the outgoing position
Device collective effect.
Therefore, it is possible to which the corresponding current rotation position of output axle journal is obtained with method in a simple manner.
Preferably, motor shell has for accommodating the first shell component of EC- motors and for controlling electronic device
Second shell component.
It is thereby achieved that the cooling independent of each other of EC- motors and control electronic device.
According to another designing scheme, at least partially set by plastic material system between the first and second housing parts
Into plug body for heat and electricity isolation, wherein the plug body carrying control electronic device and constructing connection
Plug.
Due to the multi-functional simultaneously as the third housing parts of plug body construction, obtain particularly simple in structure
Construction.
Preferably, motor shell and gear mechanism housing have metal, and wherein motor shell is configured to cooling control
Electronic device and gear mechanism housing are configured to cooling EC- motors.
It is thereby achieved that control electronic device and EC- motors, especially stator are about this improved cooling.Here, horse
Aluminium casting lid, aluminium sheet lid, steel lid or plate lid and gear mechanism housing can be implemented as by for example with solid up to housing
The form of aluminium casting is implemented.
In the second embodiment, the bearing area being built on gear mechanism housing of helical gear and output axle journal
Circuit board between section is disposed in control electronic device in the gear mechanism housing, wherein the output shaft neck at least portion
Ground is divided substantially to be directed parallel to helical gear by circuit board encirclement and circuit board.
It is possible thereby to realize on circuit board control electronic device construction space miniaturization and heat dissipation it is excellent
Change.Control electronics include logic electronics device and power electronic device again.
Preferably, annular permanent magnet is arranged in the region of clutch shaft bearing position on armature spindle, and circuit board has
There is rotor-position sensor, the rotor-position sensor and permanent magnet collective effect are to carry out rotor-position detection.
Thus, it is possible to realize the electronic commutation of EC- motors.
Preferably, control electronic device has the outgoing position sensing for detecting the current rotation position of output axle journal
Device.
Thus, it is possible to realize correspondingly for example, at least two are driven by wiper direct driver according to the present invention
The reliable coordination spatially of windshield wiper blade.Furthermore, it is possible to limit each windshield wiper blade scrapes pool.
Preferably, gear mechanism housing has plastic gear lid and connection plug, especially borrows in an electrically conductive way
Help cutting-clamping connecting portion to connect with the circuit board.
It is thereby achieved that wiper direct driver is easily integrated into the vehicle of the electricity of motor vehicle in the way to insert
It carries in power grid.
Preferably, gear mechanism housing is had metal and is particularly constructed in a manner of aluminium casting, and motor
Housing is had metal and is especially constructed in a manner of aluminium casting or the board-like housing of deep-draw.
It is thereby achieved that control electronic device and EC- motors, especially stator are about this improved cooling.
Description of the drawings
The present invention is explained in greater detail by means of the embodiment shown in attached drawing in following description.Identical
Or the component of phase same-action is equipped with identical reference numeral herein, and respectively only description is primary.Wherein：
Fig. 1 shows the side view of the first embodiment of wiper direct driver,
Fig. 2 shows the vertical view in the vertical section of the wiper direct driver of the hatching II-II along Fig. 1,
Fig. 3 shows the vertical view in the vertical section of the wiper direct driver along the hatching III-III of Fig. 2,
Fig. 4 shows the vertical view of second of embodiment of wiper direct driver,
Fig. 5 show the vertical section of the wiper direct driver of Fig. 4 vertical view and
Fig. 6 shows the cross section of the wiper direct driver along the hatching VI-VI of Fig. 5.
Specific embodiment
Fig. 1 shows the wiper direct driver 10 of the device for mounting windshield wiper 12 for motor vehicle, which directly drives
Dynamic utensil has preferably substantially that columnar motor shell 14, gear mechanism housing 16 are preferably connected to the motor shell in the axial direction
On.According to a kind of embodiment, brushless or electronic commutation d.c. motor, that is, EC- motors 20 are located at motor shell
In 14, and the screw gearing for being adapted to for rotating speed or being improved for torque is mounted in gear mechanism housing 16
22.EC- motors 20 are rotatably driven screw gearing 22, and wherein screw gearing 22 itself is for outstanding
It exports axle journal 30 to vibrate-pivotably drive, and the Wiper arm 32 of the device for mounting windshield wiper 12 of motor vehicle is fixed
（festsetzen）On the output axle journal.
Fig. 2 shows the wiper direct drivers 10 of Fig. 1, and EC- motors 20 are preferably constructed in and vertical central axis
Line 18 is symmetrically and with substantially columnar armature spindle 24, and the armature spindle is at least partially equipped with worm screw 26.Worm screw 26
Constantly rabbet and formed together the screw gearing 22 for driving output axle journal 30 with helical gear 28.
According to a kind of embodiment, armature spindle 24 can in the first and second positions of bearings 40,42 in the both sides of worm screw 26
It is rotatably supported in gear mechanism housing 16.Clutch shaft bearing position 40 diagrammatically in the axial direction than second bearing position 42 more
Close to motor shell 14, wherein clutch shaft bearing position 40 is preferably constructed to fixing bearing 44 and separate with motor shell 14
The second bearing position 42 of direction is configured to floating bearing 46, so that it is guaranteed that fixation-floating-bearing of armature spindle 24.Two
Position of bearings 40,42 axially spaced apart is preferably implemented as rolling bearing, especially ball bearing.
Armature spindle 24 and worm screw 26 far from the free end section 50 being directed toward preferably in a manner of anti-torsion cloth
The stack of laminations 54 equipped with permanent magnet 52 is put, and the stack of laminations illustratively forms internal rotor together with armature spindle 24.True
It protects in order to which for the sake of the becoming apparent from of attached drawing and in the case of unshowned annular gap, preferably substantially columnar stack of laminations 54 is with
The mode known is by the stator 60 of the approximate open column shape with stator winding 62 coaxially around the wherein illustratively structure of stator 60
Make external stator.Stator winding 62 is included for unshowned multiple coils for the sake of the becoming apparent from of attached drawing, and the coil is by close
Suitable mode is electrically connected to each other to construct stator winding 62.
Motor shell 14 includes the first shell component 70 for being preferred for accommodating EC- motors 20 and for having control electronics
The second shell component 72 of the circuit board 74 of device 76, wherein between first shell component 70 and second shell component 72 at least
It is partly provided with the connection plug 80 that is constructed in a manner of being integrated into thereon or for by wiper direct driver 10
It is integrated into the plug body 78 of user's plug in the onboard power system of motor vehicle electricly.Such as approximate circle circuit board 74 preferably hangs down
Directly and with due to constructing space with the preferred axial direction as small as possible of the free end section 50 of armature spindle 24
Distance 82 is separatedly arranged in the second shell component 72 of motor shell 14.
According to a kind of embodiment, circuit board 74 especially has the rotor-position sensor 84 of electronics, which passes
Sensor and 86 collective effect of permanent magnet that is located in the free end section 50 of armature spindle 24 to carry out rotor-position detection,
So that the electronic commutation of desired EC- motors 20 therefore can be carried out.Here, the electric signal of rotor-position sensor 84 by
It is detected in the logic electronics device 88 or adjusts electronic device of digit preference construction, amplifies, analyzes and the electric signal quilt
It is delivered to power electronic device 90, especially in the form of so-called B6- electric bridges to carry out direct electronics to stator winding 62
Manipulation.Electrical connection between the coil of stator winding 62 and circuit board 74 illustratively realized herein by means of connecting plate 92,
Electrical contact wherein between stator winding 62 and connecting plate 92 or circuit board 74 for example can by cutting-clamping-connecting portion and/
Or brazed joints are realized.
Gear mechanism housing 16 preferably contributes to the loss discharged by EC- motors 20 with 70 collective effect of first shell component
The heat dissipation of the optimization of heat（Wärmeabfuhr）, and be preferably made for this purpose of metal material, especially with the side of aluminium casting
Formula.Also, it is preferred that the motor shell 14 made of metal material can be for example solid aluminium casting or the board-like housing of deep-draw,
Two housing parts 70,72 of wherein motor shell 14 be configured to control electronic device 74 as far as possible effectively cooling or
Cooling.
In particular, the capping 102 of the circular ring shape of second shell component 72 it is preferred basin shape, towards referring on the direction of EC- motors
To recess portion 100 contribute to cool down on substantially circumference, this is because the circular bottom surface 104 of the recess portion 100 is in preferable feelings
It is sticked on by entire surface on power electronic device 90 under condition.In order to advanced optimize heat transmit can power electronic device 90 with it is recessed
Setting improves the uneven surface capacity of heat transmission, the especially good capacity of heat transmission and that compensation is small between the bottom surface 104 in portion 100
The element 106 of degree or roughness, especially heat-conducting cream, heat conductive pad or the similar component combined when necessary with cooling body.
In addition, two housing parts 70,72 of motor shell 14 by be equally presented as motor shell 14 component insert
Head body 78 is isolated in a manner of thermally extremely effective each other so that the waste heat of EC- motors 20 substantially only through with biography
First shell component 70 that dynamic device case 16 connects and be discharged to wiper direct driver 10 outside environmentally simultaneously
And it will not make contributions to the heating of the second shell component 72 for the cooling for being first responsible for control electronic device.In addition, circuit board
74 arrangement backward allows the very simple and quickly assembling of wiper direct driver 10.Due to brushless
The most metal construction for the motor shell 14 that EC- motors 20 connect, has obtained the height of wiper direct driver 10 in addition
Electro Magnetic Compatibility.
Fig. 3 show with gear mechanism housing 16 and be connected in the axial direction thereon with longitudinal center axis 18
Motor shell 14 Fig. 2 wiper direct driver 10, the motor shell construct in itself there are two housing parts 70,72 with
And it is disposed in plug body 78 therebetween.Helical gear 28 is rotatably received together with output axle journal 30 constructed thereon
In gear mechanism housing 16.The recess portion 100 of basin shape with circular bottom surface 104 is located at the second shell portion of motor shell 14
In the capping 102 backward of part 72.Circuit board 74 with being disposed in second together particular on power electronic device 90 thereon
In housing parts 72, wherein, in the case of the preferred intermediate connection of the element 106 of energy heat conduction, second shell component 72
The bottom surface 104 of columnar recess portion 100 is sticked in a manner of entire in the ideal case on power electronic device 90.
For manipulate and/or adjust the circuit boards 74 of the EC- motors being blanked herein preferably by means of（Plug）Connector
110 or with multiple with dotted line instruction, angled（Press-in）The pin plate item of pin 124, such as the side with cutting-clamping connection
Formula, it is conductively connected with tab shaped or ligule stent 112.It is preferred that be approximately perpendicular to circuit board 74 arrangement stent 112 with
Substantially with the mode of 18 parallel spaced apart of longitudinal center axis extend and pass through the opening 114 in gear mechanism housing 16 herein
Until being embedded into its inner space 116.With second shell component 72 or circuit board 74 far from the stent 112 being directed toward in helical tooth
In the region of wheel 28 there is free end 118, outgoing position sensor 120 is disposed on the end, the outgoing position
Sensor is defeated for detecting in a non-contact manner by 122 collective effect of toroidal magnet with being arranged on helical gear 28
The corresponding current absolute rotation position of shaft 30 or rotation angle.
Toroidal magnet 122 is preferably fixed with helical gear 28 far from direction or on the direction of output shaft 30 is directed toward
On helical gear 28.Toroidal magnet 122 has an appropriate number of pole piece section to realize that absolute rotation position measures, wherein dividing
Resolution ability can change according to corresponding rotation position or rotation angle.
By means of outgoing position sensor 120 and annular magnet 122, it is particularly possible to high precision set by wiper
The Wiper arm that direct driver moves on the glass of motor vehicle scrapes pool.In addition, correspondingly water is scraped by means of independent
Device direct driver and the motion process of at least two Wiper arms of movement can be assisted in relationship relative to each other
It adjusts, so as to exclude to collide.
In order to have in outgoing position sensor 120 and connector 110 and thus the circuit board 74 for controlling electronic device 76
Between establish necessary electrical connection, stent 112 preferably has a circuit board 126, which utilizes by the material, outstanding with electrical isolation
Parcel 128 made of its thermoplastic plastics preferably in all sides is formed.Outgoing position sensor 120 and connector
110 is real for example by brazed joints, cutting-clamping connecting portion or bolted connection with the practical electrical contact of circuit board 126
It is existing.Instead of circuit board 126, the metal wire or twisted wire being embedded into parcel 128 can also be set.
Fig. 4 shows the wiper direct driver 200 of the device for mounting windshield wiper 202 for motor vehicle, and the wiper is direct
Driver preferably has substantially columnar motor shell 204 and gear mechanism housing 206.It is revolved with longitudinal center axis 208
Turn the EC- motors 210 symmetrically constructed preferably and be integrated into motor shell 204, and in gear mechanism housing 206
Screw gearing 212 is mounted with for adaptation rotating speed and torque.
Screw gearing 212 is directly driven by means of EC- motors 210, wherein screw gearing
212 itself for driving be preferably taper and longitudinal grooved output axle journal 220 in end side, the device for mounting windshield wiper of motor vehicle
It is arranged in 202 222 anti-torsion of Wiper arm on the output axle journal.Screw gearing 212 includes substantially existing
End side is built into the worm screw 216 on the armature spindle 214 of EC- motors 210, which enduringly rabbets with helical gear 218.
Gear mechanism housing 206 preferably has plastic gear lid 230 in downside.Further preferably using metal material
The bearing area for rotatably movably supporting the truncated cone shape for exporting axle journal 220 is formed on manufactured gear mechanism housing 206
Section 234, and electricity connection plug 236 or for wiper direct driver to be linked into the user in the onboard power system of motor vehicle
Plug is preferably built on plastic gear lid 230 in an integrated fashion.
Gear mechanism housing 206 can be for example made in a manner of aluminium casting.Motor shell 204 is preferably implemented as deep-draw
, the plate type part of metal, and plastic gear lid 230 preferably passes through thermoplastic and fibre-reinforced plastics when necessary
It is made with the approach of injection moulding process.
Fig. 5 shows the wiper direct driver 200 of Fig. 4, corresponding to the first embodiment, wherein according to a kind of reality
Mode is applied, is contained in the armature spindles 214 of EC- motors 210 in motor shell 204 again in the both sides of worm screw 216 first and the
It is rotatably supported in gear mechanism housing 206 in two positions of bearings 240,242.Clutch shaft bearing position 240 is preferably heavy
It is new to be configured to fixing bearing 244 to realize fixation-floating-bearing of armature spindle 214, and with motor shell 204 far from finger
To second bearing position 242 be floating bearing 246.
It is disposed in armature spindle 214 with worm screw 216 far from anti-torsion preferred in the free end section 250 being directed toward
Be equipped with the stack of laminations 254 of multiple permanent magnets 252, the stack of laminations by the stator 262 with stator winding 264 coaxially around.
Stator winding 264 herein in order to for the sake of the becoming apparent from of attached drawing and the electrical connection of unshowned each coil, preferably pass through company
Fishplate bar 266 is realized.
Stack of laminations 254 and armature spindle 214 diagrammatically construct internal rotor again, and stator 262 constructs external stator.
In order to detect the current rotor-position of armature spindle 24 or corresponding rotation position, in clutch shaft bearing position 240
The 270 preferred anti-torsion of permanent magnet of annular is arranged on the armature spindle in region, the permanent magnet with equally being covered herein
The rotor-position sensor sightless herein of the circuit board of lid（Referring particularly to Fig. 6）Collective effect controls electronics device to accommodate
Part.In addition, the screw gearing 216 being made of worm screw 216 and helical gear 218, including in order to its driving institute it is necessary
EC- motors 210 machinery-electricity construction substantially follow Fig. 1 to Fig. 3 wiper direct driver 10 the first reality
Apply the realization of the technology of mode so that herein in order to avoid the repetition of content, referring especially to the description of Fig. 2.It is filled in plastic drive
It puts the connection plug 236 shaped on lid 230 and arrives the similary sightless electrical connection with the circuit board for controlling electronic device herein
It is exemplarily only realized herein by means of known cutting-clamping-connecting portion 238.
Fig. 6 shows the wiper direct driver 200 of Fig. 5, and EC- motors 210 are positioned in motor shell 204,
And its screw gearing 212 constructed together with helical gear 218 and worm screw 216 is accommodated in transmission device
In the metal parts of housing 206, which is closed in downside by plastic gear lid 230.EC- motors 210 turn
Sub- axis 214 is rotatably supported in gear mechanism housing in the position of bearings of the both sides axially position of screw rod 216 240,242
In 206.The rotor-position of EC- motors 210 is detected is disposed in armature spindle by means of the axially adjacent of clutch shaft bearing position 240
The permanent magnet 270 of annular on 214 realizes, the permanent magnet with rotor-position sensor 272 is common in a non-contact manner makees
With.
The significant difference of the first embodiment as the wiper direct driver 10 with Fig. 1 to Fig. 3, herein institute
In second of embodiment of the wiper direct driver 200 shown, circuit board 280 is determined together with control electronic device 282
Position is between helical gear 218 and the bearing segment being built on the gear mechanism housing 206 of metal 234, wherein transmission dress
The output axle journal 220 put in housing 206 is surrounded at least partly by circuit board 280, and circuit board 280 is relative to helical gear
218 or extended in a manner of parallel spaced apart relative to the longitudinal center axis 208 of EC- motors 210.Due in gear mechanism housing
This special space layout of circuit board 280 in 206, passes through the bearing area of the metal of the gear mechanism housing 206 of metal
Section 234, more particularly to ensure to be used to directly manipulate EC- motors 210 it is power electronic device 284, especially B6 electric bridges, control
The best cooling or cooling of electronic device 282 processed.Thus the simple and quick of wiper direct driver 200 has been obtained simultaneously
Installation.
It is preferred for detecting the outgoing position sensor 290 of the corresponding current absolute rotation position of helical gear 218
It is also located on circuit board 280.The signal of outgoing position sensor 290 is preferably by means of as the another of control electronic device 282
The logic electronics device 286 of one component part come detect, amplify, analyze and in order to manipulate power electronic device 284 and by into
One step is directed on the power electronic device.For this purpose, helical gear 218 has the permanent magnetism with an appropriate number of pole piece section
Body.Conductive connection on the unshowned coil of the stator winding 264 of EC- motors 210 to control electronic device 282 is for example
It is completed by the connector 292 of multipole with known cutting-tensioning technique, wherein connector 292 is preferably across transmission device
Tunnel-shaped or channel shape opening 294 in housing 206 is embedded into until in motor shell 204.
Connector 292 preferably has preferably in the insulation division 296 of all sides, for the electricity that will be guided in connector 292
Conductor relative to the gear mechanism housing 206 of the metal of surrounding reliable electrical isolation.In order to advanced optimize control electronics device
The cooling or cooling of part 282 can be set between power electronic device 284 and the bearing segment 234 of gear mechanism housing 206
Element 298, especially heat-conducting cream or the heat conductive pad of energy heat conduction.
Claims (15)
1. a kind of device for mounting windshield wiper for motor vehicle（12、202）Wiper direct driver（10、200）, the wiper
Direct driver has EC- motors（20、210）And screw gearing（22、212）, wherein the EC- motors（20、
210）It is disposed in motor shell（14、204）In and the screw gearing（22、212）It is disposed in transmission dress
Put housing（16、206）In, and wherein described screw gearing（22、212）With helical gear（28、218）, institute
Stating helical gear has to fix the device for mounting windshield wiper（12、202）Wiper arm（32、222）Output axle journal（30、
220）It and can be by the EC- motors（20、210）It is rotatably driven, which is characterized in that the EC- motors（20、210）Have
Armature spindle（24、214）, it is equipped with worm screw to the armature spindle at least section（26、216）And it is propped up in a manner of rotatable movement
It holds in the first and second positions of bearings（40、42、240、242）On, first and second position of bearings is in the worm screw（26、
216）Both sides be disposed in the gear mechanism housing（16、206）It is interior.
2. wiper direct driver according to claim 1, which is characterized in that the armature spindle（24、214）With the back of the body
To the worm screw（26、216）Free end section（50、250）, equipped with permanent magnet（52、252）Stack of laminations（54、254）
It is disposed in anti-torsion in the end section, wherein the worm screw（26、216）With the helical gear（28、218）It is embedding
It connects, and wherein described equipped with permanent magnet（52、252）Stack of laminations（54、254）By being contained in the motor shell（14、204）
In have stator winding（62、264）Stator（60、262）It surrounds in coaxial fashion.
3. wiper direct driver according to claim 1 or 2, which is characterized in that the clutch shaft bearing position（40、
240）Than the second bearing position（42、242）Closer to the motor shell（14、204）, and the clutch shaft bearing position
（40、240）It is configured to fixing bearing（44、244）, and the second bearing position（42、242）It is configured to floating bearing
（46、246）.
4. the wiper direct driver according to one of preceding claims, which is characterized in that circuit board（74）And control
Electronic device（76）It is arranged the motor shell together（14）In, wherein the circuit board（74）Vertically and with it is described
Armature spindle（24）The free end section（50）Axially-spaced previously given distance（82）Extension.
5. wiper direct driver according to claim 4, which is characterized in that the circuit board（74）Equipped with rotor position
Put sensor（84）, the rotor-position sensor is with being located in the armature spindle（24）The free end section（50）
On permanent magnet（84）Collective effect is to carry out rotor-position detection.
6. wiper direct driver according to claim 4 or 5, which is characterized in that the control electronic device（76）
With for detecting the output axle journal（30）Current rotation position outgoing position sensor（120）.
7. wiper direct driver according to claim 6, which is characterized in that the circuit board（74）With tab shaped
Stent（112）Connection, the stent pass through the gear mechanism housing（16）In opening（114）It is and described with being located in
Helical gear（28）Region in free end（118）, wherein the outgoing position sensor（120）Described in being arranged certainly
By end（118）Above and in the helical gear（28）It is upper to be provided with toroidal magnet（122）For with the outgoing position
Sensor（120）Collective effect.
8. wiper direct driver according to any one of claims 4 to 7, which is characterized in that the motor shell
（14）With for accommodating the EC- motors（20）First shell component（70）With for the control electronic device（76）'s
Second shell component（72）.
9. wiper direct driver according to claim 8, which is characterized in that in first and second housing parts
（70、72）Between at least partially be provided with the plug body made of plastic material（78）For heat and electricity isolation,
Described in plug body（78）Carry the control electronic device（76）And construct connection plug（80）.
10. the wiper direct driver according to any one of claim 4 to 9, which is characterized in that the motor shell
（14）With the gear mechanism housing（16）With metal, wherein the motor shell（14）It is configured to the control that cools down
Electronic device（76）And the gear mechanism housing（16）It is configured to the EC- motors that cool down（20）.
11. wiper direct driver according to any one of claim 1 to 3, which is characterized in that in the helical tooth
Wheel（218）With the output axle journal（220）Be built into the gear mechanism housing（206）On bearing segment（234）It
Between circuit board（280）With control electronic device（282）It is disposed in the gear mechanism housing（206）It is interior, wherein described defeated
Go out axle journal（220）At least partly by the circuit board（280）Encirclement and the circuit board（280）It is substantially oriented flat
Row is in the helical gear（218）.
12. wiper direct driver according to claim 11, which is characterized in that annular permanent magnet（270）Institute
State clutch shaft bearing position（240）Region in be arranged in the armature spindle（214）On, and the circuit board（280）With with
The permanent magnet（270）Collective effect is to carry out the rotor-position sensor of rotor-position detection（272）.
13. the wiper direct driver according to claim 11 or 12, which is characterized in that the control electronic device
（282）With for detecting the output axle journal（220）Current rotation position outgoing position sensor（290）.
14. wiper direct driver according to claim 13, which is characterized in that the gear mechanism housing（206）
With plastics-transmission device lid（230）And connection plug（236）, connect in an electrically conductive way, in particular by means of cutting-clamping
Socket part（238）With the circuit board（280）Connection.
15. the wiper direct driver according to one of preceding claims, which is characterized in that the gear mechanism housing
（16、206）It is especially constructed with metal and in a manner of aluminium casting, and the motor shell（14、204）With gold
Belong to and especially constructed in a manner of aluminium casting or the board-like housing of deep-draw.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015220900.8 | 2015-10-27 | ||
| DE102015220900.8A DE102015220900A1 (en) | 2015-10-27 | 2015-10-27 | Wiper direct drive |
| PCT/EP2016/072358 WO2017071883A1 (en) | 2015-10-27 | 2016-09-21 | Direct drive for wiper system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108141104A true CN108141104A (en) | 2018-06-08 |
| CN108141104B CN108141104B (en) | 2022-07-01 |
Family
ID=56979566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680063423.5A Active CN108141104B (en) | 2015-10-27 | 2016-09-21 | Direct drive for a windscreen wiper |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3369160A1 (en) |
| CN (1) | CN108141104B (en) |
| DE (1) | DE102015220900A1 (en) |
| WO (1) | WO2017071883A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739799A (en) * | 2018-07-19 | 2020-01-31 | 罗伯特·博世有限公司 | Wiper drive and method for mounting the same |
| CN114128105A (en) * | 2019-07-31 | 2022-03-01 | 法雷奥***公司 | Brushless DC motor for a motor vehicle wiper system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017121213A1 (en) * | 2017-09-13 | 2019-03-14 | Valeo Systèmes d'Essuyage | Brushless electric motor and wiper motor with a brushless electric motor |
| DE102017121218A1 (en) * | 2017-09-13 | 2019-03-14 | Valeo Systèmes d'Essuyage | Brushless electric motor and method for mounting the electric motor |
| DE102017121211A1 (en) * | 2017-09-13 | 2019-03-14 | Valeo Systèmes d'Essuyage | Windscreen wiper motor and method for mounting a windscreen wiper motor |
| DE102018111855A1 (en) * | 2018-05-17 | 2019-11-21 | Valeo Systèmes d'Essuyage | Electric drive device and windscreen wiper motor |
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| EP0964126A2 (en) * | 1998-06-10 | 1999-12-15 | Mannesmann VDO Aktiengesellschaft | Drive unit with position determination |
| JP2002345211A (en) * | 2001-05-17 | 2002-11-29 | Mitsubishi Electric Corp | Electric motor-driven power steering |
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| CN110739799A (en) * | 2018-07-19 | 2020-01-31 | 罗伯特·博世有限公司 | Wiper drive and method for mounting the same |
| CN114128105A (en) * | 2019-07-31 | 2022-03-01 | 法雷奥***公司 | Brushless DC motor for a motor vehicle wiper system |
| CN114128105B (en) * | 2019-07-31 | 2024-06-11 | 法雷奥***公司 | Brushless DC motor for a motor vehicle wiper system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3369160A1 (en) | 2018-09-05 |
| CN108141104B (en) | 2022-07-01 |
| DE102015220900A1 (en) | 2017-04-27 |
| WO2017071883A1 (en) | 2017-05-04 |
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