CN106253539A - End shield system and the motor driver with end shield system - Google Patents
End shield system and the motor driver with end shield system Download PDFInfo
- Publication number
- CN106253539A CN106253539A CN201610545419.4A CN201610545419A CN106253539A CN 106253539 A CN106253539 A CN 106253539A CN 201610545419 A CN201610545419 A CN 201610545419A CN 106253539 A CN106253539 A CN 106253539A
- Authority
- CN
- China
- Prior art keywords
- end shield
- opening
- pin
- dome portion
- shield system
- 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.)
- Pending
Links
Classifications
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
-
- 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
- H02K5/15—Mounting arrangements for bearing-shields or end plates
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to the end shield system of a kind of motor driver (3), comprising: at least one opening (15) that end shield (2), its at least one opening (12) with reception assembling device and/or pin (18) pass through；And an insulation component (13), it is arranged on the side of end shield (2), wherein, insulation component (13) is configured to close at least one opening (12) receiving assembling device, to allow assembling device to be received in the opening (12) of closing, and/or insulation component (13) is configured to close the opening (15) that pin (18) passes through, wherein, insulation component (13) has the passage (17) making pin (18) through the opening (15) closed.
Description
Technical field
The present invention relates to a kind of end shield system for motor driver, and there is the electricity of such end shield system
Dynamic driver.
Background technology
In EPS (electric boosting steering system) motor and electronic control unit (ECU), electronic control unit (ECU) is big
Most cases is attached at B side, the most non-outlet side.Contact also usually occurs in this side.On this side, both parts is led to
Often or the most sealed to each other separate.In principle, both parts has different requirements to cleannes and remaining dust,
Motor part is more insensitive to particle size.Problem under current concepts is, is musted for functional unit during assembling process
The opening of the end shield part needed can make microgranule enter in electronic control unit (ECU).
The end shield of current EPS motor is stainless steel parts or the aluminum casting parts of deep rolling.According to aluminum or steel sheel phase
The use closed, in addition it is also necessary to extra safety element, can produce different intensity because being interference fitted under different temperature grade.
From the viewpoint of cost, the deep draw of carbon steel is particularly advantageous, but only contributes to it and receive ball bearing.Then,
When having other function such as flange when integration, aluminum casting cover is the most favourable.Aluminum casting part typically requires machine finishing, therefore
Relatively expensive.
And, DE102008013402A1 discloses the motor of a kind of motor vehicle driven by mixed power, and it has and is positioned at housing
Stator and the rotor being rotatably arranged in end shield by roller bearing.This end shield has acceptance division in rotor-side, its structure
Obtain and can receive bowl-shape bearing accessory.Then, bearing accessory receives roller bearing.The acceptance division of neighbouring end shield is supporting part,
It is incorporated to attachment in housing side.At least one metallic sheath embeds fibre reinforced composites in attachment, thus passes through screw
Connect and end shield is attached on housing or on the flange of housing.
Summary of the invention
Based on above-mentioned viewpoint, it is an object of the invention to provide end shield or the end shield system of the improvement of a kind of motor driver.
According to the present invention, by there is the end shield system of the feature of claim 1 and/or there is the feature of claim 11
Motor driver can realize this purpose.Accordingly, it is provided with
The end shield system of a kind of motor driver, comprising: end shield, it has at least one opening receiving assembling device
And/or at least one opening that pin passes through；And insulation component, it is installed in the side of end shield, and insulation component is constructed
Become to close and receive at least one opening of assembling device and allow assembling device to be received in the opening of closing, and/or institute
Stating insulation component to be configured to close the opening that passes through of pin, this insulation component has the logical of the opening that makes pin pass closedown
Road.
This end shield system has the advantage that the special opening for inserting assembling device (such as clip) and motor driver
The special opening that the pin of stator passes can be closed, thus dust particle cannot be by this opening, and dust particle leads to
This situation crossing opening is less desirable, and, such as, the electronic control unit being arranged in before end shield of can not making dirty
Or be arranged on stator and the rotor of end shield motor driver below (ECU).On the other hand, this insulation component also makes end shield
Can be through the assembling device grasping of opening, this opening is closed by insulation component, or pin is through by insulation component simultaneously
The relevant opening closed, and then connect.And, end shield can be made as, such as, and sheet metal or die-cast part,
Opening in end shield can be closed in the way of simple and economical simultaneously, to prevent dust from passing, without infringement end shield
Operator scheme.
Understanding and idea that the present invention is based on are to close the opening on end shield, and it is for operating side in an assembling process
Cover and electrical contact are all necessary, thus still possible operation with contact end shield, and it is special to prevent dust particle from passing
Opening.
With reference to accompanying drawing, be will be clear from by further claim and description, preferred embodiment and development.
According to one embodiment of present invention, insulation component is formed have groove in the bottom of opening, to connect
Receive assembling device.According to the assembling device used, this groove can be formed with at least one undercutting (undercut)
And be likely to be formed as not having undercutting.Clip and/or any other transport being suitable for and/or positioner can be used,
Such as, as assembling device.On the one hand groove in insulation component has an advantage in that, opening be capped and close with
Prevent dust from passing through, on the other hand, such as, still be possible to enter end shield by groove by the gripping of the clip of assembling device
Opening in, and therefore still be possible to operate end shield.
According to another embodiment of the invention, insulation component has the dome portion of contact, opens closing at least one
Mouthful, the dome portion of described contact has at least one passage by pin.Due to contact dome portion be received in opening and
Close owing to opening is touched dome portion so that dust can not be then passed through this opening, also may be used in addition to preventing dust and passing through simultaneously
To guarantee the contact of pin.
According to one embodiment of present invention, contact dome portion have the most flat strip conductor of the most flat pin lead to
The gap-like opening crossed, and/or there is the cylinder open that cylindric pin particularly wire passes through.But, the present invention does not limit
The gap-like passed through due to pin and cylinder open.This opening can be adapted for the pin be correlated with through contact dome portion thus
The outlet side contacting dome portion makes electrical contact with any shape of described pin.
According to one embodiment of present invention, contact dome portion and can be formed as that there is grasping and guiding geometry
Opening.The grasping of opening is configured to receive pin with guiding geometry or permission pin is screwed into and contacts dome portion
Entrance side, and on the other hand, it is configured to allow for pin at that limit or predetermined end position from contacting going out of dome portion
Mouth side is exited, and preferably keeps at end position, fix or support described pin.Contact the grasping of passage in dome portion
Assemble with the geometric simplification guided, because pin can be easily screwed in passage, and be then able to limiting position
Put and automatically exit from contacting dome portion.
According to another embodiment of the invention, the grasping of opening and the geometry of guiding are configured to taper and open
Mouthful, it is at least tapered from the entrance side contacting dome portion on a part for the longitudinal direction of opening.Due at contact vault
The region that broadens of the entrance side opening in shape portion, so pin can be screwed into easily and therefore assembling is simplified.Owing to opening
Mouth attenuates towards the outlet side contacting dome portion at longitudinal direction, and after reason, pin can be in a directional manner through contact vault
Shape portion.There is grasping and guide the opening of geometry and passage to be configured to, such as, there is inclined-plane, tapered segment and neighbour
The cylindrical part that connects or can be for as grasping and the cone of guiding geometry, the present invention is not limited to be mentioned to
Example.
According to another embodiment of the invention, insulation component is injection moulding or is attached on end shield, with it
Be formed as plastic components, be particularly also formed as fibre-inforced plastic parts or be affixed on it.Insulation component and/or end
Cover can be made up of such as plastics, increase compo, sheet metal or casting metal.End shield and insulation component can make one
Body, such as with injection moulding, such as, make with identical plastics or fibre reinforced plastics.
According to one embodiment of present invention, the end shield being made up of plastics or fibre reinforced plastics has ring on their outer circumference
Linear element.In this case, circular element by such as metal or can be made up of metal alloy.
According to another embodiment of the invention, circular element has the thermal expansion identical with the housing accommodating end shield
Coefficient, or have with accommodate end shield housing thermal coefficient of expansion as close possible to thermal coefficient of expansion.It is so favourable,
For all temperature levels produced at work, it is not necessary to extra retaining element is to be axially fixed in motor driver by end shield
Housing in or at least can reduce its quantity.Housing can be made of plastics, and such as plastics can also use fiber reinforcement.With
Sample, housing can be made up of metal or metal alloy.In principle, housing can be formed into metal and plastic casing, its knot
Plastics (including fibre reinforced plastics) and metal (including metal alloy) are closed.In the case of metal and plastic casing, ring-type unit
Part has and accommodates the identical thermal coefficient of expansion of circular element and the region of housing that contact with circular element, or have and
This region of described housing as close possible to thermal coefficient of expansion.
According to one embodiment of present invention, the circular element on the periphery of end shield is received at least one seat
In portion and injection molding and/or be attached to end shield.Seat portion can be configured to such as groove or step, and the present invention is not
It is limited to these examples.
According to another embodiment of the invention, motor driver has the housing including rotor and stator, rotor
Armature spindle be arranged in the end shield system being contained in housing.So, rotor has at least one pin, and pin has guiding dress
Put in the passage contacting dome portion pin to be inserted end shield system.Guide is favourable, pin can be kept or
Person guides and also can be protected against producing undesirable distortion.
According to one embodiment of present invention, guide is configured to the wheel corresponding to contacting the passage in dome portion
Exterior feature, thus pin is inserted in passage, and can be arranged in the end position contacting dome portion, with dome in contact
The outlet side contact pin in portion.Guide is favourable, and it is together with the passage contacted in dome portion, and formation can simplify group
The plug-in of dress connects.
According to still another embodiment of the invention, guide is such as taper and/or cylinder, to receive
Contact passage in dome portion corresponding taper and/or cylindrical part.
According to another embodiment of the invention, end shield is pressed into or takes in housing.There is the end shield of circular element
Such as it is pressed into by the circular element on its periphery or takes in housing.Here, it likely need not be consolidated by extra
Determine element and carry out the axial restraint of end shield part.
As required, suitably, above-described embodiment and improvement can be grouped together.The more possible reality of the present invention
Execute example, develop and implement also to include the combination of described above or described in the ensuing embodiment part feature,
This combination is not explicitly mentioned.Particularly, those skilled in the art can also increase individual characteristics as the phase to the present invention
Improvement and interpolation to primitive form.
Accompanying drawing explanation
It follows that the present invention will be more fully described on the basis of the embodiment represented by the schematic diagram of accompanying drawing, wherein:
Fig. 1 is the sectional view of housing, is provided with end shield according to an embodiment of the invention, motor driver wherein
Rotor and stator；
Fig. 2 is the axonometric chart of the end shield according to Fig. 1；
Fig. 3 is the axonometric chart of end shield system according to an embodiment of the invention；
Fig. 4 is the sectional view of the end shield system taken along line A-A according to Fig. 3；
Fig. 5 is the axonometric chart of the end shield system according to the embodiment of the present invention in terms of front, and the pin of stator is connect
It is received in the dome portion of contact of end shield system；
Fig. 6 is the axonometric chart of the end shield system according to still another embodiment of the invention in terms of rear or motor-side；
Fig. 7 is the end shield system according to Fig. 6 and the sectional view of stator, and this stator has the pin including guide,
Pin insert end shield system the relevant dome portion of contact during, this pin is illustrated；And
Fig. 8 shows the end shield system according to Fig. 7 and stator, the dome portion of contact of pin the most fully-inserted end shield system
In.
Reference numerals list
1-housing；2-end shield；3-motor driver；4-rotor；5-stator；6-bearing block；7-periphery；8-ring-type element；
9-seat portion；10-step；11-groove；12-opening (for assembling device)；13-insulation component；14-groove；15-opening (pin)；
16-contacts dome portion；17-passage；18-pin；19-grasping and guiding geometry；20-opening；21-introduction side；22-exports
Side；23-conical portion；24-cylindrical part；25-guide；26-routing cell；27-armature spindle；28-ECU.
Accompanying drawing will assist in and understands embodiments of the invention more.Which describe embodiment, and combine description
Together for explaining principle and the concept of the present invention.Other embodiments and more advantage mentioned will become more from these accompanying drawings
Clearly.The parts of accompanying drawing become the most mutually actual proportions.
In several figures of accompanying drawing, unless otherwise indicated, identical, function is identical and same operation element, feature and
Parts in each situation all by identical reference.
Detailed description of the invention
Although the present invention and the problem solved with it go for any motor and axle unit, but it follows that will ginseng
Motor driver in burn-in motor-car is described in more detail.
Motor driver, such as exchange (AC) motor and direct current (DC) motor, is generally of the end shield receiving bearing.This side
Face, end shield covers before or after being understood to the housing of particularly motor driver, and its protection motor is internal and in each situation
The bearing of middle reception motor drive shaft.
Fig. 1 is housing 1 and the sectional view of end shield contained therein according to an embodiment of the invention.In FIG, electricity
The position dotted line of dynamic driver 3 and stator 4 and rotor 5 is pure schematically and highly simplifiedly to show.And, figure
2 is the axonometric chart of the end shield 2 according to Fig. 1.
As it is shown in figure 1, in the offside of motor or front side, end shield 2 has the bearing block 6 for bearing, to install formation
The armature spindle 27 of the rotor 4 of motor drive shaft.Rotor 4 (it is configured to internal rotor) is arranged on the inner side of stator 5, space separate.
Then, in the side of motor or at the back side of end shield 2, motor contacts such as electronic control unit (ECU) 28, and it shows with dotted line
Go out.Occur in the shown side being opened with contacting of control unit (ECU) 28.
In the embodiment shown in Fig. 1 and 2, end shield 2 is made of plastics, and in another embodiment, plastics can also be by
Fibre strengthening.Such as, end shield 2 can be made with injection-moulding plastic or is injected into by fibre reinforced plastics in this case
Type is made.And, the periphery 7 of end shield 2 or extend diametrically there is additional circular element 8, its have with housing 1 or
With the material of housing 1, there is identical thermal coefficient of expansion or have as close possible to housing 1 or the thermal expansion of the material of housing 1
The thermal coefficient of expansion of system.Housing 1 can such as be formed into the metal shell being made up of metal or metal alloy as material.
Equally, housing 1 also is able to be formed into the plastic casing being made up of plastics or fibre reinforced plastics as material.
And, the housing of metal and plastics is also possible, in this case, housing by metal (including alloy) and
Plastics (including fibre reinforced plastics) combination is made.In the case of metal and plastic casing, circular element has and receives ring
Linear element and thus the identical thermal coefficient of expansion of the housing parts that contacts with circular element, or have and described housing parts
As close possible to thermal coefficient of expansion.Such as, when being in assembled state, if the plastic section tap of circular element and housing
Touch, identical with the thermal coefficient of expansion of parts of plastics by the thermal coefficient of expansion of circular element or at least with the thermal expansion of parts of plastics
Coefficient as close possible to.This is applicable to all of embodiment of the present invention.But, the present invention is not limited to metal shell, plastic housing
Body and plastic-metal housing, it can be by other material any of housing 1 or the group of other material being suitable to motor driver
Conjunction is made.
Circular element 8 can be formed into, such as, the metal ring element being made up of metal or alloy, and it has
With housing 1 or the thermal coefficient of expansion identical with the material of housing 1 or at least close to described housing or housing material
The thermal coefficient of expansion of material.It is so favourable, all temperature levels produced during motor driver 3 is worked, it is not necessary to volume
Outer retaining element is with by end shield 2 axial restraint within the case 1.But, in principle, what it was possible to provides extra axle
To retaining element, although not necessarily.
As in the embodiment illustrated in figures 1 and 2, end shield 2 can be configured to have at least one portion on its periphery 7
9 to receive circular element 8.Seat portion 9 may be constructed such that, at least partially surrounding the step 10 of circular element, such as, in Fig. 1
Embodiment shown in, or can also as indicated by the dashed line in figure 1, for groove or groove 11 to receive circular element 8, its at least portion
Divide around described element.In this respect, circular element 8 and housing 1 form close fit, particularly press-fit.
And, circular element 8 can additionally or alternatively be attached on the periphery 7 of end shield 2 or can inject
It is molded on it.So, it needs not be provided step 10 or at least one extra seat portion 9 of groove (such as groove 11) form.But,
At least one extra seat portion 9 can be set.The present invention be not limited to mention in order to circular element 8 is fixed to end shield 2
Example on periphery 7.The combination of any kind of fixing device or fixing device all can be set, as long as can be by ring-type unit
Part 8 is fixed on end shield 2.
In the sectional view of housing 1 and end shield system, illustrate by highly simplified mode in FIG, in housing 1 and reception
Between the circular element 8 of the end shield 2 of described housing, there is interference fit.Housing 1 about the most similar thermal coefficient of expansion
Prevent causing due to temperature fluctuation end shield 2 to become within the case 1 with the match materials of circular element 8 and undesirable pine occurs
Dynamic.
Such as compared with deep draw end shield, due to structure e.g. injection-moulding plastic or the fiber reinforcement plastic of end shield 2
Material injection forming, so having the pliability of height on geometry, and is thus able to provide great design freedom.
The shape of such plastics end shield 2 is transformable, and may realize such as having or not having flange or convex
Edge installs the profile of protuberance.Such as, flange or flange are installed protuberance (not shown) and can be integrated in housing 1, and use
Do the interface of steering etc..If flange or flange are installed protuberance and be not integrated in housing, then it also is able to integrated
In end shield (not shown).So, then such as housing is intended only as receiving stator and the container of rotor bearing.
And, it is possible to realize about material cost and the commercial advantage of manufacturing cost.Therefore, for specific application, phase
Ratio is in aluminium casting, and injection-moulding plastic is not usually required to machine finishing.For specific purposes, such as, become at plastic injection
Can form little tolerance in type can be enough accurately it is thus possible to frock (off-tool) manufactured parts, and without polish.
The damping characteristic of the precision of part and plastics or fibre reinforced plastics has advantage in terms of the structural noise of motor and permits
Permitted to optimize the feature of vibrations.And, plastics or fiber reinforcement plastic material injection forming are relatively lighter, the most necessarily make motorized motions
The weight of device reduces.
It in contrast to traditional plastics end shield needing to arrange wherein extra retaining element due to thermal coefficient of expansion,
In end shield 2 according to the present invention, have and housing 1 or housing 1 at the extra circular element 8 extended on diameter or periphery 7
The identical thermal coefficient of expansion of material, or have with housing or case material as close possible to thermal coefficient of expansion.
Can also have insulation component and end shield system can be formed with reference to the end shield 2 described in Fig. 1 and 2, such as following ginseng
Examine Fig. 3 to be described in more detail to 8.
Fig. 3 is the axonometric chart of end shield system according to an embodiment of the invention, and Fig. 4 is the end shield system according to Fig. 3
The sectional view of A-A along the line.Such as, end shield includes basis conduction material, and in this case, e.g. deep-draw compressed steel end
Cover.
As it is shown on figure 3, end shield system has end shield 2, end shield 2 has one or more for inserting assembling device such as clip
Opening 12.Assembling device passes opening 12, such as from front or from the end shield 2 relative to motor-side during assembling process
Side pass.Assembling device (such as clip) clamping end shield 2 is such as to position in relevant housing, if Fig. 1 is to show
The mode of example is shown before.In this respect, end shield 2 has the axle for bearing on the opposite side of front or motor
Bearing 6, to install motor drive shaft.Such as at end shield 2, in the face of the side of motor or at the back side of described cover, motor is connected to electricity
Sub-control unit (ECU) (not shown).Open side at housing contacts with control unit (ECU).
In end shield 2, dust particle can pass opening 12, and this is undesirable.In order to prevent this situation, such as Fig. 3
Shown in 4, it is provided that extra insulation component 13.Insulation component 13 is configured to, and on the one hand must cover opening 12 to prevent ash
The invasion of dirt, on the other hand must be allowed for assembling device such as clip or other transport and/or positioner can grasp end shield
2.Here, insulation component 13 can be arranged on motor-side or the back side or rather of end shield 2, or the opposite side at end shield 2
Or front or rather, to form end shield system.
As shown in the embodiment of Fig. 3 and 4, insulation component 13 has suitable groove in the region of the opening 12 of end shield 2
14, such as it is configured to can be inserted in opening 12 and end shield 2 energy so that assembling device (not shown), such as clip etc.
Enough assembled devices are clamped.Meanwhile, the groove 14 of insulation component 13 closes opening 12, particularly completely closes, thus prevents ash
Dirt through opening 12 enter motor-side or or rather rear side, vice versa.So, it is easy for likely preventing from not wishing
The making dirty of electronic installation hoped, such as, prevents due to dust particle from motor through electronic control unit (ECU), and vice versa,
And the making dirty of the electronic control unit occurred (ECU) and motor.And, such as combine suction process, with user side Electronic Control
What unit (ECU) contacted is remotely located from the microgranule of danger.
In the embodiment shown in Fig. 3 and 4, be formed as not having undercutting for covering the groove 14 of corresponding opening 12.But
It is that, in another embodiment (not shown), specific groove also is able to form to have at least one extra chamfering, in order to
The function used and purpose.Such as, with the most suitable clip of assembling device or with other pinching end such as transport and positioner
Cover 12 can be by this undercutting by additional improvement.
And, in the embodiment shown in Fig. 3 and 4, opening 15 is arranged on end shield 2, so that pin is through end shield 2.This
The pin of type can be configured to the most flat strip conductor or also be able to be wire or columned, as later
Fig. 5 shown in.But, the present invention is not limited to the example of the shape of the pin mentioned.
Insulation component 13 can have the dome portion of extra contact 16 to close opening 15 and to make pin by contact vault
Shape portion 16.Special contact dome portion 16 and have for one or more passages 17 of one or more pins and close end shield
Relevant opening 15 in 2, the most substantially completely closes, thus dust particle does not passes through opening 15.Due to insulation component,
Make it possible to more easily meet the cleaning requirement of user.By this conception of species, it is possible to simply pay close attention to outside motor
Dust particle.Cleaning in motor requires to be also applied for motor.
Insulation component 13 can be configured to injection molding on end shield 2, invests end shield 2 and/or can be affixed to it
Upper etc., insulation component 13 is such as a working of plastics, such as by polyamide (PA) or other suitable plastics or mould
Feed composition is made.As it was previously stated, end shield 2 can be fixed in motor-side or insulating backside element 13, as shown in Figures 4 and 5,
Or before its opposite side or end shield 2.Preferably, the geometry (not shown) of one or more operations also be able to by
It is assembled on insulation component 13 and/or one or more guiding geometry (not shown) of user's contact can be integrated into absolutely
On edge element 13.The geometry of operation is understood to the element of parts, and it is used in particular for clamping or holding part.Contact
Guide geometry then be used as contact guiding piece and/or coupling plug connector elements seat portion.
In the embodiment of Fig. 3 and 4, such as, end shield 2 is sheet metal, e.g. steel disc etc., and it is by other suitable side
Method is by drawing or manufacture.Same, end shield 2 also is able to be manufactured to cast member, such as aluminium casting, or working of plastics.As moulding
Materials and parts, end shield also is able to be formed as fibre-inforced plastic parts.If end shield is formed working of plastics or fibre-inforced plastic parts,
Then above with reference to as described in Fig. 1 and 2, it can have extra circular element on the outer periphery.At this aspect, end shield 2 energy
Enough it is formed separating component, as shown in Figures 3 and 4, or is integrally formed with insulation component 13, such as, passes through injection moulding.For
Avoid unnecessary repetition, hold the structure of anti-cover 2 by the embodiment with reference to Fig. 1 and Fig. 2 about have a circular element.
Fig. 5 and 6 is each the axonometric chart of another embodiment of the end shield system 2 according to the present invention, Fig. 5 show from
The end shield system 2 above seen, and Fig. 6 shows the end shield system 2 in terms of motor-side or the back side.Fig. 7 and 8 describes in detail afterwards
End shield system 2 according to Fig. 5 and 6, it is shown that the insertion of pin 18.
The osculating element of EPS motor is rigidly connected to stator or stator module more or less.Thus form electricity and connect
The location accuracy of the pin of mouth will be limited by the very long tolerance chain relevant to the location feature of the motor on housing.Especially
Ground, pin radially and tangentially or angle position can be appreciably changed.
According to as the end shield system 2 of Fig. 5 to the one embodiment of the invention shown in 8 have with shown in Fig. 3 and 4 according to this
Invent the dome portion of contact 16 that the end shield system of another embodiment is similar.With the second embodiment contacts dome portion 16 class
Seemingly, contact dome portion 16 through the relevant opening 15 in end shield 2 and they be preferably also switched off opening 15, thus dust is micro-
Grain is no longer able to through opening 15.The dome portion 16 that contacts of insulation component 13 is respectively provided with the passage that one or more pin 18 passes through
17。
According to second embodiment of the invention as shown in Figures 3 and 4, contact the passage 17 e.g. gap-like in dome portion 16
, thus the pin of the form of conductors in flat-shaped can pass through.Same, passage 17 can also be configured to cylinder
Shape, linear or columned pin 18 can pass through, as shown in Figure 5.
In Fig. 5 to the embodiments of the invention shown in 8, different from the embodiment shown in Fig. 3 and 4, contact dome portion
Passage in 16 is again formed as to be had grasping and guides geometry 19, to receive or grasp or be screwed into pin 18 and guide
Pin 18 enters predetermined end position or contact position.Contact dome portion 16 and its passage 17 also keeps at its end position
Or support pin 18 to contact subsequently.
Similar with the end shield system in prior figures 4 to Fig. 5 and end shield thereof, in Fig. 5 to the embodiment shown in 8, end shield system
System is formed having insulation component 13 together with its end shield 2.Contact dome portion 16 to be arranged on insulation component 13, insulation component
13 front with reference to as described in Fig. 3 and 4, such as its can injection molding, be attached to or invest end shield 2 or with same material and
It is integrally formed.About the structure of insulation component 13 and cover opening in end shield 2 with the relevant groove 14 in insulation component 13
Mouth 12, refers to the description of Fig. 3 and 4, to avoid unnecessary repetition.
Such as Fig. 6, shown in 7 and 8, the specific passage 17 contacting dome portion 16 has as grasping and guides geometry 19
Tapered opening 20, its from contact dome portion 16 introduction side 21 start to be tapered, be inserted at this introduction side 21 pin 18
Or be screwed into, at least partially along on direction radially until outside 22, exit the dome portion 16 of contact at outside 22 pin 18.This
Being favourable, the insertion of pin 18 can be simplified, and on the other hand, it is able to ensure that pin 18 can contact in dome portion 16
Restriction and precalculated position on exit and can make electrical contact with.
Such as, passage can be configured to continuous tapered opening.And, passage 17 can also be configured to such as Fig. 7 and 8
The opening 22 that sectional view illustrates, it has the taper in introduction side 21 or tapered segment 23 and neighbouring cylindrical portion
Divide 24.Same, opening also is able to be partial cylinder and can have at least one extra inclined-plane in a longitudinal direction,
Described inclined-plane starts from introduction side 21 and extended at least part of length of opening.But, the present invention is not limited to be previously mentioned
The geometry of passage；The introduction side 21 that can aid in arbitrarily contacting dome portion 16 can be arranged twisted by pin 18
Enter and guide the geometry of the pin 18 scheduled end position to the outlet side 22 contacting dome portion 16.
As shown in the sectional view of Fig. 7 and 8, in one embodiment of the invention, the pin 18 of stator 5 or stator unit is also
Can have guide 25.The guide 25 of pin 18 is configured to insert pin 18 be arranged at the contact on end shield 2
In dome portion 16.The shape of guide 25 is configured to be adapted to correspond to contact the opening 22 in dome portion 16 or passage 17
Shape, thus it is inserted into contacting in the opening 22 in dome portion 16.In the embodiment shown in Fig. 7 and 8, such as, draw
Lead device 25 be taper or cone thus it can be received or be optionally held simultaneously the dome portion 16 of contact
The taper of passage 17 or tapered segment 23 in.In this respect, guide 25 can be formed with the part of the inwall of passage 17
Matched in clearance or interference fits, thus the position of related features of pin 18 can be limited.
Fig. 7 shows the pin 18 in the position in inserting the passage 17 contacting dome portion 16 and guide 25 thereof.
Fig. 8 then shows the pin 28 of the end position in contacting dome portion 16.
Guide 25 can also be optionally constructed as being kept by pin 18 or being supported on precalculated position simultaneously, such as,
Precalculated position on the longitudinal direction of stator 5 or stator unit.Guide 25 can be installed in stator 5 or stator unit
Lid or housing on, and, can be such as injection moulding or attached thereto or as injection molding parts and its
Formed together or as the embodiments of figs. 7 and 8, it can be the part of routing cell 26 for stator 5.But,
The present invention is not limited to these embodiments.
Pin 18 forms osculating element with contacting dome portion 16, and it is also the interface of ECU simultaneously.In this respect, according to this
The routing cell 26 of invention has significantly larger motility on tangentially and radially direction.During motor assembles, make at stator 5
After being inserted into housing for assembly, assemble end shield 2.End shield 2 can relatively precisely be inserted motor shell.
According to the embodiments of the invention shown in Fig. 5 to Fig. 8, end shield 2 includes having insulation component 13, and insulation component 13 has
There is aforementioned grasping and guide geometry, with grasping contact end or pin 18 during inserting end shield 2, and guiding them
Entering the end position limited, wherein contact end or pin 18 can be prominent in end through end shield 2.
The passage 17 contacted in dome portion 16 of insulation component 13 preferably will be sized to pin 18 be conducted through or
Person is suitable to pin 18 and is conducted through, thus, it is inserted into passage 17 at pin 18 and arrives its end in contacting dome portion 16
Position postpones, and it will not allow dust particle or the like through passage 17 or at least be substantially prevented from this situation.This is suitable for
In all of embodiment of the present invention.
Grasping and guiding geometry 19 with the passage 17 contacted in dome portion 16 carry out position correction to pin 18
Embodiment is applicable to different types of pin.As it was previously stated, pin can be used contact, such as flat belt-like conductor,
It is shaped as entrance insulation displacement (insulation displacement, ID) adapter, or skinner, the most vertical
Straight skinner.
Osculating element can improve the position of related features of the user interface of electronic control unit (ECU).Be additionally, since grasping and
Guiding the profile of geometry, it likely affects the quality of wire guiding and acts on the connection on end shield and osculating element
Power.
The preferred embodiment of the present invention, as illustrated in fig. 1 and 2, including techniques below scheme:
In technical scheme 1: the end shield of a kind of motor driver (3), wherein, end shield is by plastics or fiber
Reinforced plastics is made, and has ring-type element on their outer circumference, and wherein, ring-type element (8) has and the shell accommodating end shield (2)
The thermal coefficient of expansion that body (1) is identical, or there is the thermal coefficient of expansion the most close with the housing (1) accommodating end shield (2).
In technical scheme 2: according to the end shield system described in technical scheme 1, wherein, end shield (2) periphery (7)
On ring-type element (8) be received at least one portion (9) and/or injection molding or invest end shield (2), seat portion
(9) grooving (11) or step (10) it are specially constructed.
In technical scheme 3: according to the end shield described in technical scheme 1 or technical scheme 2, wherein, Annular Element
Part (8) is becket, plastic hoop and/or metal and plastic hoop.
In technical scheme 4: according to the end shield described in technical scheme 1,2 or 3, wherein, end shield (2) have to
A few opening (12) receiving assembling device and/or the opening (15) that at least one is passed by pin (18).
In technical scheme 5: according to the end shield described in technical scheme 4, wherein, insulation component (13) is arranged on
The side of end shield (2), wherein, insulation component (13) is configured to close at least one for the opening receiving assembling device
(12), and allow assembling device to be received in the opening of closing (12), and/or wherein, described insulation component (13) is constructed
Becoming and close the opening (15) that contact chip (18) passes through, wherein, this insulation component (13) has makes pin (18) through opening of closing
The passage (17) of mouth (15).
In technical scheme 6: according to the end shield system described in technical scheme 5, wherein, insulation component (13) exists
Opening (12) lower section has groove (14) to close opening (12) and to receive assembling device, and wherein, groove (14) is formed
There is at least one undercutting or not there is undercutting.
In technical scheme 7: according to the end shield system described in technical scheme 5 or technical scheme 6, wherein, absolutely
Edge element (13) has the dome portion of contact (16) to close opening (15), wherein, contacts dome portion (16) and has passage (17) shape
The opening (20) of formula, at least one pin (18) passes passage (17).
In technical scheme 8: according to the end shield system described in technical scheme 7, wherein, contact dome portion (16)
In opening (20) be gap-like, thus flat pin particularly flat belt-like conductor can pass through, or opening (20) quilt
Being configured to the cylinder open in contacting dome portion (16), cylindrical pin particularly wire can pass through.
In technical scheme 9: according to the end shield system described in technical scheme 7 or technical scheme 8, its split shed
(20) it is configured to that there is grasping and guiding geometry (19), wherein, there is grasping and guide the opening of geometry (19)
(20) it is configured to receive pin (18) or allow it to be screwed into described in introduction side and the guiding contacting dome portion (16)
Pin arrives the end position of the restriction of the outlet side (22) contacting dome portion (16), to contact pin (18), and preferably
Keep there or fix it.
In technical scheme 10: according to the end shield system described in technical scheme 9, wherein, grabbing of opening (20)
Holding and guide geometry (19) to be configured to tapered opening (20), wherein, opening (20) is from contacting dome portion (16)
Entrance side (21) be at least tapered in a part for longitudinal direction, wherein, the grasping of opening (20) and guide geometry knot
Structure (19) is specifically configured inclined-plane, the taper with adjacent cylindrical part (24) or conical portion (23), or
Taper.
Although being fully described the present invention on the basis of preferred embodiment, but it is not limited to this, and
Can improve in many different ways.Previous embodiment, particularly its single feature, it is possible to be combined.
Claims (15)
1. an end shield system for motor driver (3), comprising:
End shield (2), it has at least one opening (12) for receiving assembling device and/or pin (18) passes at least one
Individual opening (15)；
And insulation component (13), it is arranged on the side of end shield (2)；
Wherein, insulation component (13) is configured to close for receiving at least one opening (12) of assembling device and allowing group
Assembling device is received in the opening (12) of closing, and/or insulation component (13) is configured to close what pin (18) was passed
Opening, insulation component (13) has the passage (17) making pin (18) through the opening (15) closed.
End shield system the most according to claim 1, it is characterised in that insulation component (13) has recessed in opening (12) lower section
Groove (14) is to close opening (12) and to receive assembling device, and groove (14) is constructed having at least one undercutting or does not has
There is undercutting.
3. according to the end shield system described in claim 1 or claim 2, it is characterised in that insulation component (13) has contact
Dome portion (16) is to close opening (15), and the dome portion of described contact (16) has an opening (20) of passage (17) form, and at least one
Individual pin (18) passes passage (17).
End shield system the most according to claim 3, it is characterised in that the opening (20) contacted in dome portion (16) is gap-like
So that flat pin particularly flat belt-like conductor can pass through, or opening (20) is configured to contacting dome portion
(16) cylinder open in, cylindrical pin particularly wire can pass through.
5. according to the end shield system described in claim 3 or claim 4, it is characterised in that opening (20) is configured to have
Grasping and guiding geometry (19), wherein, have grasping and guide the opening (20) of geometry (19) to be configured to receive
Pin (18) or allow its be screwed into contact dome portion (16) introduction side and guide described pin arrive contact dome portion
(16) end position of the restriction of outlet side (22), to contact pin (18), and is kept or solid the most there
Fixed.
End shield system the most according to claim 5, it is characterised in that the grasping of opening (20) and guiding geometry (19)
Being configured to tapered opening (20), opening (20) is from contacting the entrance side (21) in dome portion (16) the most at least
A part is tapered, the grasping of opening (20) and guide geometry (19) be specifically configured inclined-plane, have adjacent
The taper of cylindrical part (24) or conical portion (23) or taper.
7. the end shield system as described in aforementioned any claim, it is characterised in that insulation component (13) be injection molding or
Person is attached on end shield (2), and it is integrally formed and/or attached thereto with end shield (2) by plastics, insulation component (13) and/or end
Cover (2) is made up of plastics, fibre reinforced plastics, sheet metal or casting metal.
8. according to the end shield system described in aforementioned any claim, it is characterised in that be made up of plastics or fibre reinforced plastics
End shield (2) there is on its periphery (7) circular element (8).
End shield system the most according to claim 8, it is characterised in that circular element (8) has and the shell accommodating end shield (2)
The thermal coefficient of expansion that body (1) is identical, or have with accommodate the housing (1) of end shield (2) as close possible to thermal coefficient of expansion, special
Not, housing (1) is metal shell, plastic casing and/or metal and plastic casing (1), and especially, circular element (8) is gold
Belong to ring or plastic hoop.
End shield system the most according to claim 8 or claim 9, it is characterised in that the Annular Element on the periphery (7) of end shield (2)
Part (8) is received at least one portion (9), and/or injection molding or invest end shield (2), and seat portion (9) are by special structure
Make as groove (11) or step (10).
11. 1 kinds of motor drivers (3), it has housing (1), including rotor (4) and stator (5), wherein, turning of rotor (4)
Sub-axle is installed in according in the end shield system described in aforementioned any claim, and this end shield system is accommodated in housing (1).
12. motor drivers according to claim 11, it is characterised in that stator (5) has at least one pin (18),
Pin (18) have guide (25) with by pin (18) insert end shield system the dome portion of contact (16) in for pin
(18) opening (20).
13. motor drivers according to claim 12, it is characterised in that guide (25) is configured to corresponding to connecing
The profile of the opening (20) in tactile dome portion (16) so that pin (18) is inserted into or is screwed in opening (20), and can
It is arranged in the end position of the dome portion of contact (16) to contact there.
14. according to the motor driver described in claim 11 or claim 12, it is characterised in that guide (25) is cone
Shape, cone and/or cylinder.
15. according to motor driver according to any one of claim 11 to 14, it is characterised in that the end shield (2) of end shield system
Being pressed in housing (1), end shield (2) is pressed into or takes in housing (1), especially by its ring on its periphery (7)
The mode of linear element (8).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015210788.4A DE102015210788A1 (en) | 2015-06-12 | 2015-06-12 | Bearing shield system and electric motor drive with a bearing shield system |
| DE102015210788.4 | 2015-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106253539A true CN106253539A (en) | 2016-12-21 |
Family
ID=57394953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545419.4A Pending CN106253539A (en) | 2015-06-12 | 2016-06-08 | End shield system and the motor driver with end shield system |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101831059B1 (en) |
| CN (1) | CN106253539A (en) |
| DE (1) | DE102015210788A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014200763A1 (en) * | 2014-01-17 | 2015-07-23 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Multifunction opening |
| DE102019204456A1 (en) * | 2019-03-29 | 2020-10-01 | Siemens Aktiengesellschaft | End shield for an electric rotating machine, use for it and electric rotating machine |
| DE102019218423A1 (en) * | 2019-11-28 | 2021-06-02 | Robert Bosch Gmbh | End shield for an electrical machine, an electrical machine and a method for producing such an electrical machine |
| DE102021209122A1 (en) | 2021-08-19 | 2023-02-23 | Robert Bosch Gesellschaft mit beschränkter Haftung | Drive device, pressure generator for a brake system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243716A1 (en) * | 1992-12-23 | 1994-06-30 | Bosch Gmbh Robert | Bearing end plate for small DC commutator motors |
| US5861689A (en) * | 1996-05-29 | 1999-01-19 | Emerson Electric Co. | Leadless motor construction |
| US6429559B1 (en) * | 1999-07-20 | 2002-08-06 | Mannesmann Vdo Ag | Electric motor intended for use in high-temperature environments |
| CN1389013A (en) * | 2000-08-31 | 2003-01-01 | 艾塔尔公司 | Linear motor assembly and a method for mounting said assembly |
| US20060006094A1 (en) * | 2004-07-06 | 2006-01-12 | Walter Hofmann | Electric motor having a high degree of protection against the ingress of foreign particles and moisture |
| CN201450438U (en) * | 2009-07-31 | 2010-05-05 | 中山大洋电机股份有限公司 | Motor |
| US20100187920A1 (en) * | 2009-01-29 | 2010-07-29 | Dieter Best | Stator unit with moisture-proof sealing |
| CN103812262A (en) * | 2012-11-13 | 2014-05-21 | 博泽沃尔兹堡汽车零部件有限公司 | Electric motor, especially steering motor, for motor vehicle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2013975C3 (en) * | 1970-03-24 | 1974-02-21 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Arrangement for attaching an end shield |
| IT1167884B (en) * | 1981-05-08 | 1987-05-20 | Axis Spa | EQUIPMENT TO CARRY OUT SIMULTANEOUS ASSEMBLY OPERATION OF MECHANICAL PARTS FROM OPPOSITE PARTS OF A BODY, WITH SUBSTANTIAL STRESS LIMITATION ON THE BODY |
| JP4449151B2 (en) | 2000-04-11 | 2010-04-14 | パナソニック株式会社 | Hermetic electric compressor and refrigeration system |
| JP2002005019A (en) | 2000-06-19 | 2002-01-09 | Sanyo Electric Co Ltd | Device for protecting parts of electric equipment |
| GB0020519D0 (en) | 2000-08-21 | 2000-10-11 | Johnson Electric Sa | End cap assembly |
| JP2003161265A (en) | 2001-11-26 | 2003-06-06 | Sanyo Electric Co Ltd | Compressor |
| DE20207233U1 (en) * | 2002-05-07 | 2003-09-18 | Ebm Werke Gmbh & Co Kg | Electronically commutated DC motor |
| DE102008013402A1 (en) | 2008-03-10 | 2009-09-17 | Robert Bosch Gmbh | Electric machine for hybrid drive of motor vehicle, has rotor supported in bearing shield over bearing, where shield is provided with predominant part made of non-metallic material e.g. fiber-reinforced composite material or plastic |
| CN201247988Y (en) * | 2008-08-20 | 2009-05-27 | 铁道部运输局 | Motor |
| JP5942585B2 (en) | 2012-05-16 | 2016-06-29 | コベルコ建機株式会社 | Electric motor and manufacturing method thereof |
| DE102013208746A1 (en) * | 2013-05-13 | 2014-11-13 | Robert Bosch Gmbh | Stator for an electric machine that extends concentrically about a central axis and method for producing such |
-
2015
- 2015-06-12 DE DE102015210788.4A patent/DE102015210788A1/en not_active Withdrawn
-
2016
- 2016-06-08 CN CN201610545419.4A patent/CN106253539A/en active Pending
- 2016-06-10 KR KR1020160072437A patent/KR101831059B1/en active IP Right Grant
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243716A1 (en) * | 1992-12-23 | 1994-06-30 | Bosch Gmbh Robert | Bearing end plate for small DC commutator motors |
| US5861689A (en) * | 1996-05-29 | 1999-01-19 | Emerson Electric Co. | Leadless motor construction |
| US6429559B1 (en) * | 1999-07-20 | 2002-08-06 | Mannesmann Vdo Ag | Electric motor intended for use in high-temperature environments |
| CN1389013A (en) * | 2000-08-31 | 2003-01-01 | 艾塔尔公司 | Linear motor assembly and a method for mounting said assembly |
| US20060006094A1 (en) * | 2004-07-06 | 2006-01-12 | Walter Hofmann | Electric motor having a high degree of protection against the ingress of foreign particles and moisture |
| US20100187920A1 (en) * | 2009-01-29 | 2010-07-29 | Dieter Best | Stator unit with moisture-proof sealing |
| CN201450438U (en) * | 2009-07-31 | 2010-05-05 | 中山大洋电机股份有限公司 | Motor |
| CN103812262A (en) * | 2012-11-13 | 2014-05-21 | 博泽沃尔兹堡汽车零部件有限公司 | Electric motor, especially steering motor, for motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160146571A (en) | 2016-12-21 |
| KR101831059B1 (en) | 2018-02-21 |
| DE102015210788A1 (en) | 2016-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106253539A (en) | End shield system and the motor driver with end shield system | |
| CN106457999B (en) | Modularized shell for hybrid power module | |
| US6949860B2 (en) | Electric motor | |
| EP1729400B1 (en) | Motor | |
| EP1560314A1 (en) | Electric power steering device | |
| US6940194B1 (en) | Electric drive unit | |
| CN107534358A (en) | Position actuator and its manufacture method | |
| EP3358720B1 (en) | Motor and brake device comprising same | |
| KR102411378B1 (en) | Motor and Brake apparatus having the same | |
| WO2010110112A1 (en) | Motor with deceleration mechanism | |
| KR102027077B1 (en) | Stator assembly and stepper drive motor comprising same | |
| JP5909127B2 (en) | Wiper motor | |
| CN111845190A (en) | Rim cover assembly with waterproof structure and in-wheel motor with rim cover assembly | |
| US8586879B2 (en) | Cable kink protection unit and method for producing same | |
| CN108367735A (en) | Wiper motor and method for manufacturing wiper motor | |
| CN103375624A (en) | Electric valve and arresting device thereof | |
| CN110326193B (en) | Machine with holding arm | |
| CN103312073B (en) | The method of motor and manufacture motor | |
| EP2169810A3 (en) | Electric motor and electric vehicle | |
| US20140318311A1 (en) | Transmission drive assembly | |
| US10063122B2 (en) | Miniature drive for car locks with an axial stop for the motor spindle | |
| CN103256164B (en) | Motor and installation method thereof | |
| CN107425635A (en) | Integral type brake motor | |
| CN105909559B (en) | Especially it is used for the blower casing of the combustion air air blower of vehicle heat collector | |
| CN102588183A (en) | Starting device used for combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |