CN109937524A

CN109937524A - Motor

Info

Publication number: CN109937524A
Application number: CN201780070985.7A
Authority: CN
Inventors: L.巴凯; J.贝内克; P.昂格瓦里; N.苏奇
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2016-11-16
Filing date: 2017-10-25
Publication date: 2019-06-25
Anticipated expiration: 2037-10-25
Also published as: DE102016222563A1; CN109937524B; WO2018091242A1

Abstract

The present invention relates to a kind of motors (10) particularly for the movable component in motor vehicle is adjusted, the motor has the commutator (55) being arranged on armature spindle (20), the commutator can be conductively connected by means of brush (26) and power supply, wherein the brush (26) is electrically connected with contact member (16), the contact member is arranged on the axial end for the pole shell (12) for accommodating stator (13), the pin member (18) with the connection pin (42) for the brush (26) is wherein disposed on the contact member (16), the anti-interference element (60) of at least one electronics is wherein disposed in the pin member (18), the anti-interference element is radially in the outside of the pole shell (12).

Description

Motor

Technical field

The present invention relates to a kind of with electric motor and can be by the motor of the transmission mechanism of the electrical motor driven, institute It states transmission mechanism to be arranged in transmission mechanism shell, wherein the electric motor has relevant motor shell and in order to carry out Electric current supply and can be by the connection plug that is connected with brush holder come conductively connected.

Background technique

Be aware of such electric motor-driving device from the prior art, the electric motor-driving device ratio as can Chair regulator, glass regulator and/or the wiper being enough in driving motor vehicle.These electric motors-driving dress It sets with the electric motor being arranged in motor shell, the electric motor and the transmission mechanism being arranged in transmission mechanism shell Among effect connection, wherein the motor shell and the transmission mechanism shell are fixed on top of one another, such as each other It screws or is riveted together.It can be conveyed to the electric motor by plug to carry out running required motor current.

Electric motor-driving device brush holder-component, the brush holder-structure has been disclosed with DE102010062727 A1 Part is axially arranged between the electric motor and transmission mechanism shell.It is radially disposed on the brush holder-component useful In the plug of electric current supply.Different electronic building bricks is fixed on the matrix of the annular of the brush holder-component, as such as sensing Device component or the anti-interference component for improving EMV radiation.Although such brush holder-component and all electronics for being disposed thereon face Component is made to compact together, but EMV compatibility is inadequate for specific applicable cases.

Summary of the invention

In contrast, the motor of the feature according to the present invention with independent claims possesses following advantages, it may be assumed that It is sticked on commutator by this mode in the outside that anti-interference element is radially disposed at the motor shell separate The anti-interference element is arranged in the case where brush.By the anti-interference element is fixed on be connected with contact member insert This mode in the inside of head component, the anti-interference element can be connected to short connecting wire to be required anyway On conductor element.Thereby, it is possible to improve anti-jamming effectiveness significantly, and expense and knot are installed in the fixation anti-interference element Conformational space demand does not rise.

By measure cited in the dependent claims, reality previously given in the independent claim can be realized Apply the advantageous expansion scheme and improvement project of scheme.When the anti-interference element is arranged in the pin member, institute Stating anti-interference element can directly be connected with conductor bar (Leiterstreifen), and the conductor bar constructs on one end It is connected at the other end for plug pin and with brush.These conductor bars can be advantageously configured as bending ram Part, at least one anti-interference element can be brazed or are welding on the sheet metal bending part.

Here, the anti-interference element advantageously acts as so-called SMD(Surface Mounted Device, surface patch Dress device) component is made, and short connecting line is molded on the SMD component, the short connecting line can be led with described Body item is in electrical contact.

The anti-interference element preferably has capacitor, and the capacitor such as provides the capacitor of at least 1 μ F.In this way Capacitor, the brush sticked on current-collector can be protected particularly well from overvoltage.

In a kind of particularly preferred design scheme of the invention, rheostat is also at least one described anti-interference element Component part, wherein the optimization rheostat about structure space and installation process is together with the capacitor by common shell Volume elements part is surrounded.

If the conductor bar is configured to sheet metal bending part, that just can be such as two carbon brushes by two such conductors Item is encased in the contact member.According to the embodiment of the contact member, these stamping parts or it is merely inserted into In the pin member or only by the plastic material injection encapsulated of the pin member.Thereby, it is possible to make described at least one A anti-interference element is directly in electrical contact with the sheet metal bending part being integrally formed.In order to it is fixed described at least one Melting welding electrode or soldering electrodes are obtained when the connecting line of anti-interference element is relatively easy to accessibility, curved in the punching press On bent part in the case where opposed with the end of the plug pin together with go out axial contact plate, on the contact plate with The connecting line of at least one anti-interference element is in electrical contact.

In order to install the motor, it is advantageous to which the pin member is configured to a portion together with the contact member Part, because then with pin member described in the process that the contact member is axially mounted on the stator while radial direction Ground is arranged with being mechanically fixed against in the outside of the pole tank.Here, preferably there is radial direction with described in the pin member Between the contact member for the bottom plate that ground extends, contact pin extends between contact member and pin member along radial direction.Here, The conductor bar extends in a unique component in the range of its whole length, this makes the conductor bar significantly Installation becomes easy.

In circular plug flange, the plug flange is such as axially parallel to the plug pin arrangement The armature spindle of the electric motor extends.In the case where opposed with the connection free end of pin, the plug Component has the accommodation space at least one anti-interference element, and the accommodation space can be sealed with plug lid It closes.

So very advantageously axially the anti-interference element can be encased in the accommodation space, so that described The small supporting leg of the connection of anti-interference element extends along radial direction towards rotor axis.Here, the small supporting leg of connection sticks on print On the axial contact plate of conducting wire processed and pincers can be clamped or are brazed like this with melting welding to be in electrical contact, the melting welding clamps Or soldering pincers will connect small supporting leg and such as circumferentially squeeze towards the contact plate.

The plug lid is made preferably as the component dividually manufactured with the pin member, the plug lid The accommodation space of the anti-interference element will be used for for the electrical contact of at least one anti-interference element after mounting It is closed.Because the accommodation space is such as made of the axial extension wall of the plug flange, the receiving Space is configured to axially open wide.Here, the individual plug lid can axially be inserted to institute It states and is reliably fixed in the pin member on plug-component and such as by means of clamping connection or clamping lock connection. As an alternative or additional project, the accommodation space can be also poured with plastic material, even if the plastic material Also reliably the anti-interference element in the pin member is held in position when there are strong vibration.

If the pin member is together with the plug lid radially in the outside and especially of the pole shell Outside in the transmission mechanism shell axially adjoined, then the plug lid individually constructed is described at least in installation It can be axially placed in the accommodation space in a simple manner after one anti-interference element.

In such embodiments, the contact member is axially clamped at the pole shell and the transmission mechanism shell Between body, wherein the contact member has the perforation at center in bottom plate radially, armature shaft passes through the perforation It is extend into the transmission mechanism shell from rotor.

The connection according to the present invention of the anti-interference element is particularly advantageous for following motors, and the motor is come Say the circuit board for not needing the additional component for electronics.Therefore, it is necessary to the components of electronics to be directly arranged at described connect It touches on component, wherein the anti-interference element is arranged in the pin member with being away as far as possible the armature spindle.Pass through this Kind arrangement, does not need additional EMV shielding part, to reduce the number of component and installation steps when necessary.

The bottom plate of the contact member can be directly used for accommodating brush, the brush or can be configured to vibration type brush (K cherb ü rsten) or hammer brush can be configured to.As an alternative, the brush is arranged in individual brush element In, the brush of the brush element is then electrically connected with the contact member.Possible layout is used on the bottom plate The sensor element of rotation position detection is carried out to armature spindle.Equally, the conductor bar being in contact with the carbon brush is fixed on institute It states on the matrix of contact member.This is such as connected by means of clamping lock or by means of being carried out with the plastic material of the contact member Injection encapsulated carry out.

The conductor bar radially extends to the pin member from the bottom plate of the contact member by the contact pin The inside and there bending, so that it is axially extending as connection pin there.For connecting pin It is preferably arranged between plug flange and the accommodation space at least one anti-interference element and extends transverse to armature spindle Separation wall.The conductor bar of the bending pass through this face separation wall so that for anti-interference element contact plate be arranged in by every In the accommodation space opened.The circumferential wall of the accommodation space can have the perforation that circumferentially (tangential direction) is constituted, Melting welding pincers or soldering pincers can tangentially be in contact across the perforation with the contact plate in direction.In this embodiment In, the plug lid preferably equally has circumferential wall, and the circumferential wall is axially extending and is installed at it described The tangential perforation for being used for the contact plate is covered after in pin member.

Detailed description of the invention

The present invention is explained in detail in the following description by means of the embodiment being shown in the accompanying drawings.Wherein:

Fig. 1 shows total view of motor according to a kind of embodiment；And

Fig. 2 shows the contact members according to the motor of Fig. 1.

Specific embodiment

Fig. 1 is shown as such as to the movable component-in motor vehicle preferably glass for vehicle window, sunroof or seat The motor 10 that chair component-is adjusted.Here, being disposed with stator 13 in pole shell 12, it is disposed with and turns in the inside of the stator Son 15, the armature spindle 20 of the rotor axially extends in the transmission mechanism shell 14 axially adjoined from the pole shell 12. Here, driving moment is transmitted on the transmission mechanism being arranged in the transmission mechanism shell 14 by the armature spindle 20, it is described Transmission mechanism has output element 22, which is joined in unshowned mechanical device, and the mechanical device such as makes The component or the vehicle window glass movable in motor vehicle of vehicle seat.Axially 24 in the pole shell 12 and the transmission Contact member 16 is disposed between mechanism shell 14, which is connected with brush 26, to be used for and be arranged in described turn Commutator on sub- axis 20 is in electrical contact.

Here, the brush 26 can be configured to hammer brush 27 or vibration type brush 28.The contact member 16, which has, to be inserted Head component 18, the pin member are radially disposed at the pole shell 12 and the transmission mechanism shell 14 along radial direction 23 Outside.Here, the pin member 18 is connected on the contact member 16 by means of radial contact pin 30.The contact Component 16 radially has matrix 32 in the inside of the pole shell 12, and described matrix has the gap 34 at center, the armature spindle 20 axially 24 pass through the center gaps extended.The pin member 18 has plug flange 40, at this The inside of plug flange is disposed with the connection pin 42 for being in electrical contact with the motor 10.In the embodiment in figure 1, institute Plug flange 40 is stated with the connection pin 42 axially 24 extension, so that corresponding plug equally can be axially Direction 24 is inserted into the plug flange 40.From figure 1 it appears that the matrix 32 of the contact member 16 is axially pressed from both sides Tightly between the pole shell 12 and two flanges 92,94 of transmission mechanism shell 14, the wherein circumference of the outside of described matrix 32 Wall 44 is formed simultaneously a part of the outer wall 45 of the motor 10 in such an embodiment.For example, transmission mechanism-the shell 14 It is connected by means of screw 48 or other connecting elements with the pole shell 12, thus the contact member 16 is fixedly pressed from both sides Tightly and it is fixed between the pole shell 12 and the transmission mechanism shell 14.

The contact member 16 as can such as be installed in the motor 10 according to Fig. 1 is shown in FIG. 2.At this In the brush 26 be such as configured to hammer brush 27, the hammer brush is fixed on its spring leg 29-such as separately made - brush element 17 on.This brush element 17 axially sticks on the contact member 16 and the brush 26 connects with described The electrical printed conductor 50 of touching component 16 is electrically connected, and the printed conductor is established electricity with the connection pin 42 and connect Touching.As an alternative, the brush element 17 can be also integrally formed with the contact member 16, wherein the brush 26 It can be configured to vibration type brush 28.The printed conductor 50 is configured to sheet metal bending part 51, first end 52 in embodiment It is connected with brush 26, and its opposed end 53 forms the connection pin 42.Here, the printed conductor 50 is along diameter To contact pin 30 radially extended in the pin member 18 from the pole shell 12.It is disposed in the pin member 18 The anti-interference element 60 being electrically connected with the printed conductor 50.Because of the complete plug structure in such an embodiment Part 18 is radially disposed at the outside of the pole shell 12, so the anti-interference element 60 is arranged in the pole also completely radially The outside of shell 12.The anti-interference element 60 is configured to SMD component (Surface Mounted Device, surface patch herein Fill device), which is directly electrically connected with the printed conductor 50, is preferably brazed or is welded together.It is described anti-interference Element 60 includes capacitor 62, and motor 10 described in the capacitor protection is from overvoltage.The capacitor 62 such as has at least 1 F(> 10 μ^-6F capacitor), for stopping (abfangen) corresponding voltage peak.The anti-interference element 60 extraly has Rheostat 64, the rheostat are arranged in the inside of common shell 66 with the capacitor 62 together.The such as structure of shell 66 It makes as ceramic member, the small supporting leg 68 of connection for being in electrical contact with the anti-interference element 60 is stretched out from the ceramic member Come.For the electrical contact of the anti-interference element 60, the small supporting leg 68 of connection is by melting welding or is soldered to the printing On conducting wire 50.In order to be compared easy installation, axially 24 extensions are configured on the printed conductor 50 Axial protrusion 70, the protrusion can such as be made in a process steps in the blanking process of the printed conductor 50 It makes.In this embodiment, the printed conductor 50 is starting point along axis with its second end 53 for being configured to connection pin 42 To direction 24 the plug flange 40 internal stretch.There is midfeather 72 in the internal structure of the plug flange 40, it is described Printed conductor 50 passes through the midfeather and is guided in the accommodation space 74 for the anti-interference element 60.This face midfeather Thus 72 separate the connection pin 42 and the accommodation space 74.In the inside of the accommodation space 74, the printing is led Line 50 is bent over along radial direction 23 and extends to described matrix 32 along the radial contact pin 30, at described matrix The printed conductor is in contact with the brush 26.In this embodiment, the accommodation space 74 can use the plug that can be unclamped Lid 76 is closed, the plug lid after the installation of the anti-interference element 60 terminates by the accommodation space 74 completely Closing.The accommodation space 74 have circular wall 80, the wall general arrangement be the plug flange 40, exceed the centre The axial extension of wall 72.Vacated (aussparen) perforation 81 in the circular wall 80, unshowned melting welding pincers or Person is brazed pincers and can squeeze the small supporting leg 68 of connection towards the printed conductor 50 across the perforation.Preferably, the print The axial protrusion 70 of conducting wire 50 processed axially extends over the midfeather 72 to form the bottom of accommodation space 74, so that the company Connecing small supporting leg 68 can directly be connected with the axial protrusion 70.By the anti-interference element 60 and the printed conductor After 50 are electrically connected, for example 84 are connected by means of clamping lock, the plug lid 76 is fixed in the pin member 18. For this purpose, being such as configured with latch elements 85 on the circular wall 80, the latch elements are matched with the plug lid 76 To 86 collective effect of latch elements.Optionally, it can also pour and outpour the accommodation space 74, with described anti-for reliably protecting It interfering component 60 and its is electrically connected with the printed conductor 50.The anti-interference element 60 or its shell 66 are axially square With substantially quadrangle or rectangle profile is seen to 24, and the small supporting leg 68 of connection is from the profile along radial direction 23 Extend towards the radial contact pin 30.The circular wall 80 of the accommodation space 74 is in the profile phase with the anti-interference element 60 Quadrangle or rectangle are likewise constructed in corresponding situation.Other than the anti-interference element 60, in the pin member The structural detail 88 of other electronics is not arranged in 18 inside, but the structural detail of these electronics is in the contact member 16 Matrix 32 on be radially disposed at the inside of the pole shell 12.In this embodiment, the motor 10 does not have electronic circuit board, But the structural detail 88 of the electronics is secured directly on the matrix 32 of the contact member 16.

As in the case of the embodiment according to fig. 2, the plug lid 76 is also by the transmission mechanism shell 14 and the pole shell 12 axially connect after can be unclamped with the pin member 18 or sealed.The anti-interference element 60 as a result, Also the later installation that can also terminate at the end in the assembling of the electric motor and the transmission mechanism shell 14.As replacing For scheme, the pin member 18 can also be equipped with described anti-before the contact member 16 is encased in the pole shell 12 Interfering component 60.Here, can also abandon the plug lid 76 that can be unclamped and the anti-interference element 60 is such as molded packet It is enclosed in the pin member 18.By the construction of the metal of the plug lid 76, the shielding of electromagnetism can be extraly realized It acts on (EMV), the shielding action of the electromagnetism prevents following aspect: that is, the printed conductor 50 that works as antenna and/or even Connect the radiation that pin 42 generates interference.Here, the especially described plug lid 76 also can be with conductive EMV shielding part integrally structure It makes, the EMV shielding part extends radially into the inside of the pole shell 12.Here, such plug lid 76 can pass through EMV The bearing of backplate and the pole shell 12 and/or the armature spindle 20 is electrically connected.The electromagnetism that thereby, it is possible to will be generated by commutation Interference shielding with the pole shell 12 come in closed isolation cover (K fig).

It is to be noted, that the pole shell 12, transmission mechanism shell 14 and contact member 16, shown in the accompanying drawings tool The shape of body can match with the corresponding applicable cases of the motor 10.Therefore, for example described matrix 32 can be according to wanting Seek and accommodate the component 88 of different electronics.Equally, the design of the printed conductor 50 can also change and can such as use The contact member 16 carrys out injection encapsulated or is clamped into the contact member 16.By the anti-interference element 60 with The distance spatially of the brush 26 can abandon every kind of additional EMV shielding part or such as described according to applicable cases Plug lid 76 can be equipped with the shielding part of metal.In a kind of unshowned embodiment as an alternative, has and connect The plug flange 40 for connecing pin 42 can also prolong relative to the armature spindle 20 along radial direction 23 or tangential direction 25 It stretches.Here, the pin member 18 with anti-interference element 60 is although also always with the construction of the integral type of the contact member 16 It is correspondingly radially disposed at the outside of the pole shell 12 and is preferably also radially disposed at the transmission mechanism shell 14 It is external.As an alternative, the pin member 18 also can be separately made and be then connected with the contact member 16 It connects, be especially inserted into the contact member.The anti-interference element 60 is preferably configured as with capacitor 62 and variable resistance The modular elements of device 64.

Claims

1. the motor (10) especially for the movable component in motor vehicle to be adjusted, which, which has, is arranged in rotor Commutator (55) on axis (20), the commutator can be conductively connected by means of brush (26) and power supply, wherein the electricity Brush (26) is electrically connected with contact member (16), and the contact member is arranged in the axis for accommodating the pole shell (12) of stator (13) To end on, wherein being disposed on the contact member (16) with the connection pin (42) for the brush (26) Pin member (18), which is characterized in that the anti-interference element of at least one electronics is disposed in the pin member (18) (60), the anti-interference element of the electronics is radially in the outside of the pole shell (12).

2. motor (10) according to claim 1, which is characterized in that the connection pin (42) is by means of printed conductor (50) it is electrically connected with the brush (26), and at least one described anti-interference element (60) and the printed conductor (50) carried out being in electrical contact-wherein at least one especially described anti-interference element (60) be configured to SMD component, the SMD component The small supporting leg of connection (68) and the printed conductor (50) be brazed or be welded together.

3. motor (10) according to claim 1 or 2, which is characterized in that at least one described anti-interference element (60) structure It makes as the capacitor (62) for preventing overvoltage, the capacitor at least has the capacitor of 1 μ F, wherein especially described at least one A anti-interference element (60) is additional to the capacitor (62) with rheostat (64), the capacitor and the rheostat this two Person is arranged in common casing member (66).

4. motor (10) according to any one of the preceding claims, which is characterized in that printed conductor (50) construction For sheet metal bending part (51), the sheet metal bending part is inserted into the contact member (16) or uses it to injection encapsulated, Wherein formed on the printed conductor (50) especially for being contacted at least one described anti-interference element (60) The contact plate (70) axially stretched out.

5. motor (10) according to any one of the preceding claims, which is characterized in that the contact member (16) by It is connected in radial contact pin (30) with the pin member (18) and especially is integrally configured to mould with the pin member Expect moulding.

6. motor (10) according to any one of the preceding claims, which is characterized in that the pin member (18) includes Plug flange (40) is disposed with the connection pin (42) in the plug flange；And-can preferably unclamp-bayonet cap The accommodation space (74) for being used at least one anti-interference element (60) is enclosed in described insert by sub (76), the plug lid In head component (18).

7. motor (10) according to any one of the preceding claims, which is characterized in that the connection pin (42) along The axial direction (24) of the armature spindle (20) extends, and the plug lid (76) with axially with the connection pin (42) axially open accommodation space (74) is arranged and covered to opposed mode.

8. motor (10) according to any one of the preceding claims, which is characterized in that the ring of the accommodation space (74) Around wall (80) be made up of the axial extension of the plug flange (40), and the plug lid (76) can be borrowed Help clamp connection or clamping lock connection (84) is connected with the circular wall (80).

9. motor (10) according to any one of the preceding claims, which is characterized in that the plug lid (76) in order to Be electromagnetically shielded and have metal layer and especially as EMV backplate radially the internal stretch of the pole shell and and its It is electrically connected.

10. motor (10) according to any one of the preceding claims, which is characterized in that the pin member (18) together with The plug lid (76) is radially fully disposed in the outside of the pole shell (12).

11. motor (10) according to any one of the preceding claims, which is characterized in that the contact member (16) is axial Ground is arranged between the pole shell (12) and transmission mechanism shell (14), and the armature spindle (20) of the rotor (15) is in order to be turned Square is transmitted and is extended axially into the transmission mechanism shell.

12. motor (10) according to any one of the preceding claims, which is characterized in that at least one is anti-dry in addition to described Disturb except element (60), all electronic components (88) of the motor (10) be directly arranged on the contact member (16) and The motor (10) does not have electronic circuit board.

13. motor (10) according to any one of the preceding claims, which is characterized in that the contact member (16) has Radially, axially (24) have the matrix (32) of pass through openings (34), the armature spindle (20) is from described It is passed through in pass through openings, and the circular wall (44) of the outside of described matrix (32) forms the outer wall of the motor (10) (45).

14. motor (10) according to any one of the preceding claims, which is characterized in that the brush (26) is configured to hammer into shape Formula brush (27), the hammer brush is fixed on preferably by means of spring arm (29) dividually to be manufactured with the contact member (16) On brush element (17), the brush element is at least electrically connected with the contact member (16).

15. motor (10) according to any one of the preceding claims, which is characterized in that the connection pin (42) is therefrom Partition passes through in (72), and the midfeather separates the plug flange (40) and the accommodation space (74), wherein the company It connects pin (42) integrally to construct with the printed conductor (50), the printed conductor is in the accommodation space (74) along diameter Extend to direction (23) and be configured to axially bending in the plug flange (40), wherein the especially described accommodation space (74) the axial contact plate (70) in is axially extended in printed conductor (50) wherein radially.