CN103015833A - Adjustable drive having variable speed motor provided with rare earth permanent magnet - Google Patents
Adjustable drive having variable speed motor provided with rare earth permanent magnet Download PDFInfo
- Publication number
- CN103015833A CN103015833A CN2012103630386A CN201210363038A CN103015833A CN 103015833 A CN103015833 A CN 103015833A CN 2012103630386 A CN2012103630386 A CN 2012103630386A CN 201210363038 A CN201210363038 A CN 201210363038A CN 103015833 A CN103015833 A CN 103015833A
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- drive unit
- adjusting drive
- gear
- variable
- speed
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Gear Transmission (AREA)
Abstract
The invention relates to an adjustable drive (10). The adjustable drive is used for an assembly such as a vehicle door of a vehicle which can be manually operated. The adjustable drive comprises a variable speed motor (1) and gear assemblies (2,3) driven by the variable speed motor (1). The gear assembly is formed in two stages and is provided with the rare earth permanent magnet. The gear assembly is used for reducing the rotation speed of the variable speed motor (1).
Description
Technical field
The present invention relates to a kind of adjusting drive unit, what this adjusting drive unit was used for motor vehicle especially not only can regulate drive unit and can manually operated assembly, the gear arrangement that this adjustings drive unit has variable-speed motor and is provided for making the rotating speed deceleration of described variable-speed motor by means of this.
Background technology
At motor vehicle especially in automobile, motor vehicle assemblies especially after the manipulation of car bonnet, slidingtype skylight and seat and the comfortableness that is used for the passenger often be simplified in the following manner, namely make described motor vehicle assemblies automation.Need to regulate drive unit, described adjusting drive unit also can be used for adjusting task, locking and release task and position location in the unapproachable zone of motor vehicle for this reason.Because less operational structure space, these regulate drive unit should be as much as possible little.In addition, adjusting drive unit of such adjusting mission requirements, this adjusting drive unit have higher speed reducing ratio and can transmit larger torque with this adjusting drive unit.
In addition, exist the necessity of can manual emergency handling such motor vehicle assemblies.What be necessary is that described adjusting drive unit can reverse for this reason.
Fig. 1 shows a kind of adjusting drive unit that is used for driving an assembly by prior art.This adjusting drive unit has the gear arrangement that a variable-speed motor 1 and can drive by means of this variable-speed motor 1.Described gear arrangement comprises worm screw 2.1 and the worm gear 2.2 on first a speed changer level 2 that is configured to worm gearing and the driven shaft 1.1 that can not be arranged in described variable-speed motor 1 with relatively rotating, and this worm gear is meshed with described worm screw 2.1.In order to guarantee reversibility, structure and described worm screw 2.1 that described worm gearing is set to non-automatic brake can be configured to multistage structure.As the second speed changer level 7, described gear arrangement comprises first Cylindrical gear actuator, and this first Cylindrical gear actuator then comprises the first pinion 7.1 and the first gear 7.2.Described the first pinion 7.1 can not be connected with described worm gear 2.2 with relatively rotating, is bearing in the mode that can rotate on the driven shaft 6 of described adjusting drive unit and with described the first gear 7.2 with this worm gear to be meshed.As the 3rd speed changer level 8, described gear arrangement comprises second Cylindrical gear actuator, and this second Cylindrical gear actuator then comprises the second pinion 8.1 and the second gear 8.2.Described the second pinion 8.1 can not be connected with described the first gear 7.2 with relatively rotating, is bearing on the bearing bolt 5 and with described the second gear 8.2 in the mode that can rotate with this first gear to be meshed.Described the second gear 8.2 can not be connected with described driven shaft 6 with relatively rotating.Exemplarily show zone 6.1 and a bearing region 6.2 that is used for the trough of belt of transmission of torque to the described assembly at described driven shaft, described bearing region 6.2 is corresponding with the pairing bearing of described assembly.
Each speed changer level in three speed changer levels of this adjusting drive unit is slowed down the rotating speed of variable-speed motor, so that described gear arrangement can be realized higher speed reducing ratio generally at it.In addition, can transmit larger torque with shown gear arrangement.Guaranteed in addition the reversibility of described gear arrangement.
Summary of the invention
Task of the present invention is, a kind of adjusting drive unit is provided, this adjusting drive unit be improved with respect to above-mentioned adjusting drive unit and therefore can make compactlyer, lighter and can originally make, produce still less running noise with cheaper one-tenth, can expand, can transmit larger torque in the mode of module and guarantee in addition the reversibility of described adjusting drive unit.
Described task solves with a kind of adjusting drive unit, this adjusting drive unit be used for motor vehicle not only can by means of this regulate drive unit and also can manually operated assembly car door especially, the gear arrangement that this adjusting drive unit has variable-speed motor and can enough described variable-speed motors drives, wherein said gear arrangement is provided for making the rotating speed of described variable-speed motor to slow down, and wherein said variable-speed motor comprises rare-earth permanent magnet.
As the rare-earth permanent magnet on the meaning of the present invention, refer to the permanent magnet made by a kind of material, this material comprises rare earth metal on the share at least.Described rare earth metal a kind of be neodymium in preferred embodiment.But also can use other rare earth metal.
The variable-speed motor that comprises rare-earth permanent magnet like this has the power density higher than the variable-speed motor of the permanent magnet that comprises the share that does not contain rare earth metal.Therefore, such variable-speed motor can be when rotating speed be identical with identical structure size and with in the higher torque of the identical structure output of other side.On the contrary, for the adjusting drive unit with such variable-speed motor, lower rotating speed is enough to be used in identical transmission of torque to described assembly.The lower rotating speed of described variable-speed motor has advantages of such, namely reduced its running noise and the running noise of the gear arrangement that drives with described variable-speed motor and therefore described adjusting drive unit can move by sound very lightly.
In addition, adjusting drive unit with such variable-speed motor compare with the variable-speed motor that does not comprise rare-earth permanent magnet can be delivered on the described assembly torque phase with situation under use the gear arrangement with less speed reducing ratio, perhaps under use has the situation of gear arrangement of identical speed reducing ratio, realize the higher torque that is delivered on the described assembly.Perhaps for the identical torque that is delivered on the described assembly, can use the less less variable-speed motor of power of size with rare-earth permanent magnet, this variable-speed motor can be made littlely, thereby the size and the described adjusting drive unit that have reduced described adjusting drive unit can be made compactlyer.
Preferably, described adjusting drive unit comprises a gear arrangement with less speed reducing ratio.According to selected speed reducing ratio, simultaneously can use the variable-speed motor with rare-earth permanent magnet, described variable-speed motor can be made and therefore can make littlely with less power.
By the present invention, described gear arrangement is configured to the structure of twin-stage.Because a speed changer level fully phases out in the gear arrangement of twin-stage, so the adjusting drive unit of this embodiment can be made compactly especially.In addition, itself because less number of components and can make gentlyer, more durable and can be with lower cost manufacturing.
In addition, the advantage of the minimizing of speed changer level is, the gross efficiency of described gear arrangement is improved, thereby one side is incited somebody to action the transmission of torque of on the whole higher driving to described assembly, and described adjusting drive unit can be with less torque counter-rotating on the other hand.In addition, owing to the speed changer level of having cancelled has reduced tolerance chain, so that described adjusting drive unit has the especially less tolerance of torque reaction.The number of the amount of impact is reduced, and can realize more constant torque reaction thus.
A kind of preferred embodiment in, described the first speed changer level is configured to worm gearing and comprises worm screw and the worm gear that can drive by means of described worm screw on the armature spindle that can not be arranged in variable-speed motor with relatively rotating.Worm gearing can be made very compactly.
The worm screw of preferred described worm gearing is configured to bull structure-preferred double end or three header structures.With respect to the worm screw of single head, the worm screw of bull can be realized the less speed reducing ratio corresponding to its number, need to be corresponding to the less variable-speed motor rotating speed of described number thereby compare with the worm screw of single head.In addition, the screw thread of the worm screw of single head has than the screw thread of double end or three s' worm screw or has the little helical pitch of screw thread of the worm screw of the screw thread more than three.Thus, the worm screw of bull can more easily reverse.Thus from load-side torque can be imported on the described adjusting drive unit-such as the manual manipulation by parts to be regulated are arranged-and described adjusting drive unit can be owing to self-locking is blocked.
Described the second speed changer level preferable configuration is planetary transmission and comprises central gear, and this central gear can not be connected with described worm gear with relatively rotating, so that described planetary transmission is driven when driving described worm gear.Described planetary transmission can be realized higher speed reducing ratio in very little space.
Preferred described planetary transmission has internal gear, and this internal gear forms bearing cover.In this case preferably, described planetary transmission comprises preferably at least three planetary gears of planetary gear that a plurality of and described central gear is meshed, and it rolls at internal gear.Pinion frame is driven when driving planetary gear thus, and described pinion frame is preferably formed with respect to the interface of described assembly and on described pinion frame and has arranged described planetary gear in the mode that can rotate.
In addition preferably, arranged keyset between described bearing cover and described assembly, this keyset can be as requested be complementary with mode and the described assembly of module.
Described variable-speed motor is dc motor preferably.This dc motor has good starting characteristic and good adjustable.In addition, only use and dc motor are with low cost in short time to regulate the drive unit great majority.
Particularly preferably be, described adjusting drive unit is for the rear cover driver of motor vehicle or car door drive unit.
Description of drawings
Present invention is described by means of accompanying drawing for the below.Accompanying drawing only has exemplary effect and does not limit general inventive concept.Wherein:
Fig. 1 is the adjusting drive unit by prior art;
Fig. 2 is two phantom drawings by adjusting device of the present invention; And
Fig. 3 is the adjusting drive unit of Fig. 2, and in (a), illustrated or rather and had the lateral view that is arranged in the keyset on the bearing cover, the section C-C of the adjusting drive unit that Fig. 2 (b) has been shown at the view in the situation that is not arranged in the keyset on the described bearing cover and in (c) of Fig. 2 (a) has been shown in (b).
The specific embodiment
Fig. 1 shows the adjusting drive unit by the mistake described above of prior art.This adjusting drive unit has a variable-speed motor 1 that comprises the permanent magnet (not shown), and described permanent magnet does not comprise rare earth metal.In addition, described adjusting drive unit has one and has three speed changer levels 2,7,8 gear arrangement, and the first speed changer level 2 is configured to worm gearing and two other speed changer level 7,8 correspondingly is configured to Cylindrical gear actuator in these three speed changer levels.
Fig. 2 shows by the adjusting drive unit 10 for driving an assembly (not shown) of the present invention.Described have very powerful variable-speed motor 1 and a gear arrangement 2,3 of power that comprises the rare-earth permanent magnet (not shown) by adjusting drive unit 10 of the present invention.In order to compare in output shaft 3.4 generations identical rotating speed and identical or higher torque with having an adjusting drive unit 10 that does not comprise the variable-speed motor of rare-earth permanent magnet, described gear arrangement 2,3 by adjusting drive unit 10 of the present invention comprises two speed changer levels 2,3.Pinion frame 3.4 by planetary transmission 3 in the output shaft 3.4 of described adjusting drive unit 10 embodiment that goes out shown here consists of, and described planetary transmission forms described the second speed changer level 3.On described pinion frame 3.4, arranged that in order to transfer described assembly a synchronous profile 3.5 is a tooth section here.
The below uses pinion frame 3.4 and output shaft 3.4 these two concepts of the second speed changer level 3 and planetary transmission 3 these two concepts and adjusting drive unit 10 as synonym.
Fig. 3 show Fig. 2 by adjusting drive unit of the present invention.Described gear arrangement 2, the first speed changer level 2 of 3 consist of by worm gearing.Therefore, the below uses the first speed changer level and these two concepts of worm gearing as synonym.Described worm gearing has worm screw 2.1 and the worm gear 2.2 on the armature spindle 1.1 that can not be arranged in described variable-speed motor 1 with relatively rotating.In Fig. 3 (b), schematically show by a dotted line described armature spindle 1.1 and worm screw 2.1.
Described worm screw 2.1 is among the engagement with the tooth section (not shown) of described worm gear 2.2, thereby described worm gear 2.2 is rotated and driven to described worm screw 2.1 when driving described armature spindle 1.1.Preferred described worm screw is configured to the worm screw 2.1 of bull, so that described worm gearing 2 has less speed reducing ratio on the one hand and can more easily reverse on the other hand.
Described worm gear 2.2 can not be connected with the central gear 3.1 of described planetary transmission 3 with relatively rotating, and described planetary transmission forms described the second speed changer level 3.Therefore, when driving described worm gear 2.2, described central gear 3.1 rotates and drives described planetary transmission 3.
Described planetary transmission 3 has at least one or a plurality of planetary gear 3.2, and described planetary gear has the 3.2.1 of tooth section, and the 3.1.1 of tooth section of this tooth section and described central gear 3.1 is among the engagement.In addition, the 3.2.1 of tooth section of described planetary gear 3.2 correspondingly is among the engagement with the internal tooth section (not shown) of the internal gear 3.6 of described planetary transmission 3, and described internal gear is formed for the bearing cover of described adjusting drive unit 10 simultaneously.Therefore, the below uses internal gear 3.6 and bearing cover 3.4 these two concepts as synonym.Therefore, described planetary gear 3.2 is driven and is rolled at described bearing cover 3.6 when driving described central gear 3.1.
Described planetary gear 3.2 correspondingly is arranged on the described pinion frame 3.4 by means of pin 3.3 and arranging round the mode that described pin 3.3 rotates.Thus, rotate in described planetary gear 3.2 described planetary gear carrier 3.4 when described bearing cover 3.6 rolls.
Described planetary gear carrier 3.4 forms the general interface with respect to described assembly.This can be easily adjustment by described synchronous profile 3.5 come to be complementary with the requirement of described assembly especially its geometry.
Fig. 3 (a) shows the adjusting drive unit 10 with keyset 4.Described keyset 4 is fixed on the described bearing cover 3.6 by means of bolt 4.1 here and has perforation pattern 4.2, and this perforation pattern is complementary with the assembly that remains to be arranged.
If drive described pinion frame 3.4, it just drives described assembly by means of its synchronous profile 3.5 so, is that it drives joint pin such as mode, has arranged bonnet or car door at described joint pin.Supporting the torque that is produced by described pinion frame 3.4 by described perforation pattern 4.2 at this keyset 4 that is arranged on the described bearing cover 3.6, is that a fixing hinge member is arranged on the described keyset by described perforation pattern 4.2 such as mode.
Although the rotating speed that reduces of described noise optimization by adjusting drive unit 10 described variable-speed motors 1 of the present invention also can be realized identical rotating speed at described output shaft 3.4 with the speed changer level 2,3 of peanut more.In addition, its can with identical or even higher transmission of torque to having on the assembly to be driven.In addition, describedly guaranteed reversibility and thus can the described assembly of manual control by adjusting drive unit 10 of the present invention.The self-locking Program design of described adjusting drive unit is got for this reason so little, thereby when importing torque, can not block from the described adjusting drive unit of load-side on the output shaft at governor motor, but can hand rotation.In addition, described adjusting drive unit can be made very compactly and be light and handy and can be at large be complementary with the geometry of described assembly.
Claims (10)
1. regulate drive unit (10), this adjusting drive unit be used for motor vehicle especially not only can by means of this regulate drive unit (1) and also can manually operated assembly car door especially, this adjusting drive unit has variable-speed motor (1) and has the gear arrangement (2,3) that enough this variable-speed motors of energy (1) drive, described gear arrangement is provided for making the rotating speed of described variable-speed motor (1) to slow down, wherein said gear arrangement (2,3) is configured to the structure of twin-stage, and described variable-speed motor (1) comprises rare-earth permanent magnet.
2. by adjusting drive unit claimed in claim 1 (10), it is characterized in that, described the first speed changer level is configured to worm gearing (2) and comprises the worm screw (2.1) on the armature spindle (1.1) that can not be arranged in described variable-speed motor (1) and the worm gear (2.2) that can drive by means of described worm screw (2.1) with relatively rotating.
3. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described worm screw (2.1) is configured to especially two or three s' structure of bull.
4. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described the second speed changer level is configured to planetary transmission (3) and comprises the central gear (3.1) that can not be connected with described worm gear (2.2) with relatively rotating.
5. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described planetary transmission (3) comprises internal gear, and this internal gear forms bearing cover.
6. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described planetary transmission (3) comprises pinion frame (3.4), and described assembly can be arranged on the described pinion frame.
7. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described pinion frame (3.4) is provided for driving described assembly.
8. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, between described bearing cover (3.6) and described assembly, be provided with keyset (4).
9. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described variable-speed motor (1) is dc motor.
10. by each described adjusting drive unit (10) in the aforementioned claim, it is characterized in that, described assembly is fixed on the motor vehicle in the mode that can rotate or overturn, and described adjusting drive unit is in particular for car door drive unit or bonnet drive unit or the hood drive unit of motor vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011083518A DE102011083518A1 (en) | 2011-09-27 | 2011-09-27 | Adjustable drive e.g. door drive of vehicle e.g. motor car, has gear assembly that is driven with direct current (DC) motor for reducing rotation speed of gear motor and is provided with rare earth permanent magnet |
| DE102011083518.0 | 2011-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103015833A true CN103015833A (en) | 2013-04-03 |
| CN103015833B CN103015833B (en) | 2019-03-05 |
Family
ID=47827735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210363038.6A Expired - Fee Related CN103015833B (en) | 2011-09-27 | 2012-09-26 | Adjusting driving device with the variable-speed motor for including the permanent magnet being made of rare earth metal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103015833B (en) |
| DE (1) | DE102011083518A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068885A1 (en) * | 2016-10-15 | 2018-04-19 | Oechsler Aktiengesellschaft | Actuator, in particular for motor vehicle comfort systems |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5172884A (en) * | 1989-08-31 | 1992-12-22 | Ichikoh Industries, Ltd. | Motor-driven foldable type door mirror |
| CN2363417Y (en) * | 1999-02-09 | 2000-02-09 | 董玲生 | Slotless brushless semi-ring winding dc motor |
| US20040245064A1 (en) * | 2001-10-19 | 2004-12-09 | Stephan Schachtl | Electromagnetic friction clutch for a vehicle door |
| CN201167253Y (en) * | 2007-12-13 | 2008-12-17 | 魏忠新 | Rare-earth permanent magnet speed-reducing starter for automobile |
| CN102064650A (en) * | 2010-12-30 | 2011-05-18 | 安徽皖南新维电机有限公司 | Hybrid excitation direct current motor |
-
2011
- 2011-09-27 DE DE102011083518A patent/DE102011083518A1/en not_active Withdrawn
-
2012
- 2012-09-26 CN CN201210363038.6A patent/CN103015833B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5172884A (en) * | 1989-08-31 | 1992-12-22 | Ichikoh Industries, Ltd. | Motor-driven foldable type door mirror |
| CN2363417Y (en) * | 1999-02-09 | 2000-02-09 | 董玲生 | Slotless brushless semi-ring winding dc motor |
| US20040245064A1 (en) * | 2001-10-19 | 2004-12-09 | Stephan Schachtl | Electromagnetic friction clutch for a vehicle door |
| CN201167253Y (en) * | 2007-12-13 | 2008-12-17 | 魏忠新 | Rare-earth permanent magnet speed-reducing starter for automobile |
| CN102064650A (en) * | 2010-12-30 | 2011-05-18 | 安徽皖南新维电机有限公司 | Hybrid excitation direct current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103015833B (en) | 2019-03-05 |
| DE102011083518A1 (en) | 2013-03-28 |
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Granted publication date: 20190305 Termination date: 20200926 |