CN201611804U - Driving unit of motor - Google Patents

Driving unit of motor Download PDF

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Publication number
CN201611804U
CN201611804U CN2009201697351U CN200920169735U CN201611804U CN 201611804 U CN201611804 U CN 201611804U CN 2009201697351 U CN2009201697351 U CN 2009201697351U CN 200920169735 U CN200920169735 U CN 200920169735U CN 201611804 U CN201611804 U CN 201611804U
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CN
China
Prior art keywords
active cell
tooth
coil
teeth
water pipe
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.)
Expired - Fee Related
Application number
CN2009201697351U
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Chinese (zh)
Inventor
于尔根·魏
基多·兹茨曼
弗兰克·格贝尔
渥夫刚·海英里希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Industrial Drives AG and Co KG
Original Assignee
INA Drives and Mechatronics GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INA Drives and Mechatronics GmbH and Co KG filed Critical INA Drives and Mechatronics GmbH and Co KG
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Publication of CN201611804U publication Critical patent/CN201611804U/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02Linear motors; Sectional motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H02K1/148Sectional cores
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The utility model relates to a driving unit of a motor, comprising a yoke unit (1), a plurality of teeth (3) and large quantity of electric coils (5), wherein the yoke unit extends longitudinally along a rotating direction (A) and is provided with large quantity of containing concave parts (2) which extend horizontally toward the rotating direction; the teeth are respectively fixed in the containing concave parts (2) by teeth roots and extend along the direction toward a gap (L); the electric coils are respectively born by coil sections (6) of the teeth (3), wherein the edge teeth also can be possibly wound by the coils; the driving unit is characterized in that the bottom of each containing concave part (2) is added with a cooling pipe groove (10) which axially extends on the amplitude surface of the yoke unit (1); cooling pipes (11) are respectively placed into the cooling pipe grooves with the shapes being matched; and the cooling pipes are abutted on the teeth roots (4) in a manner of being matched with the shapes of teeth contact sections (15) which are not contacted with the cooling pipe grooves (10).

Description

The active cell of motor
Technical field
The utility model relates to the active cell of motor.On meaning of the present utility model, the motor that generator especially can be designed to rotary type engine or in-line engine all belongs to motor.This active cell comprises the yoke unit that is used for the locking magnetic line of force between electromagnetic pole.Described yoke unit in rotational direction extends, and has the recess that holds transverse to the rotation direction extension in yoke unit described in the common active cell.In addition, a large amount of teeth are set, these teeth respectively are fixed on its tooth root and hold in the recess, and extend along the direction towards the space.The coil segment of tooth is respectively equipped with a large amount of conductive coils (especially around the monopole coil of a plurality of teeth or coil in groups) in other words on the coil segment of a plurality of teeth, has just formed the utmost point of described motor thus.
Background technology
By European patent document EP 1 072 082 B1, the structure of motor with monopole coil is known.At this, first body layeredly is configured to laminated core, second body is made up of at least two carrier sections as holding body.Described carrier section accommodates the bobbin that can wind with coil respectively in its cavity.The section of carrier section extends can unclamping between the fixing bobbin respectively, and this section is spaced apart and be defined for the structure space of electric coil thus with adjacent bobbin.
By patent application document DE 101 43 870 A1, the active cell with the device of motor mode work that has monopole coil is known.A plurality of bobbins are installed in holding body.This holds body and comprises matrix and a large amount of holding element, and described matrix is connected and bears the power of appearance with engine shaft, and described holding element extends radially outwardly from matrix.Isolated holding element provides vacant structure space, can be respectively applied for to dispose the bobbin that electric coil is installed on it.Described bobbin respectively is fixed on root area and holds on the body.In this structure, also be configured with the single tooth or the motor utmost point, wherein, have only half cingulum live wire circle, and give over to the tooth that does not design coil at the holding element that is wound with between the tooth of coil.
In with the motor of high-power operation, can produce high thermal losses value, must shed from electric coil as far as possible effectively.At this, be difficult to special cooling system is as far as possible closely placed on the electric coil, and therefore do not reduce the electromagnetic property of engine., known a kind of in-line engine that is used to address this problem from DE 196 04 643B4 people with integrated cooling system, this in-line engine has critical piece and minor components.Rotor coil is arranged in the groove of critical piece-iron core.In addition, be extended with cooling water pipe in the iron core of critical piece, circulate among has coolant.Described cooling water pipe is placed on unshakable in one's determination and the one side opposing backside surface that is equipped with rotor coil.Carry the feasible heat that from rotor coil, sheds of thermal resistance of distance generation to become difficult by the material thickness of iron core and the heat that causes thus.
The utility model content
The purpose of this utility model provides a kind of improved motor active cell.Wherein, especially, improve the synchronism of machine by avoiding so-called cogging effect (stop moment) as much as possible.Do not have spacing or have only very little spacing if be provided with between the utmost point tooth of electric coil, will reduce the stop moment that especially in the engine of permanent magnet excitation, occurs.By the utility model manufacturing cost is reduced simultaneously, especially the simplification of settling by described electric coil.Also have a special purpose in addition, that is, and the arrangement of simplified cooling system, and shed to improve cooling effectiveness by the heat that improves electric coil.
Described purpose is by being resolved according to claims 1 described active cell.
Salient point according to active cell of the present utility model especially is, each tooth is fixed therein one holds in the recess, and all teeth that are positioned between the heel teeth that may not be wound with coil has a part of electric coil at least.
Therefore, be, do not keep the inertia tooth that is not wound with electric coil between the tooth of coil being wound with according to the main distinction of active cell of the present utility model and aforementioned prior art.In in-line engine, heel teeth plays special effect, and described heel teeth is arranged on the end of corresponding plane of rotation and electrified coil not in case of necessity.Hold in the recess by all teeth are fixed on, make that the manufacturing of yoke unit is simple especially, and also saved material, because tooth with yoke unit Construction integration need be set at this.
In the first embodiment, electric coil is designed to a plurality of monopole coils, and wherein each tooth all has the coil of oneself.Replace, second execution mode adopts electric coil in groups, and described coil in groups is around a plurality of teeth, preferably respectively around at least three teeth coilings (coil of so-called engagement).
The salient point of the particularly preferred execution mode of described active cell is, is added in axially extended cooling tube seat on the breadth of yoke unit in each bottom that holds recess.Can very simply cooling water pipe be put into this cooling tube seat by holding recess, thereby need not cooling water pipe is navigated within the hole.Simultaneously, the surface section of cooling water pipe can be used as the tooth contact-segment of holding in the recess and uses, but is connected on the tooth contact-segment to tooth root portion form fit accordingly, is beneficial to heat transmission.Thus, provide a heat transfer path that directly arrives the weak point of cooling water pipe from electric coil by the tooth coil segment.The transmission of heat can be for example by using heat-conducting glue further to improve.The cooling water pipe of putting into the cooling tube seat that holds recess is the part of cooling system, and preferred streams is connected with coolant in the described cooling system.
Particularly advantageously be that all teeth that have a monopole coil releasably are fixed on accordingly to be held in the recess.Not only simplify the assembling of engine by this way, and also can have the tooth of damage to change to indivedual electric coils or crown easily under maintenance condition or under the failure condition.
In particularly preferred embodiments, the crown of each tooth is constructed widelyer than coil segment on cross section, especially crown is configured to such width, makes it in fact form the plane of rotation of sealing.
Described coil can be wound up on the coil segment with machine before holding recess in that tooth is inserted.Similarly, also prefabricated coiling element can be pushed away installing on each tooth, so just can subsequently the tooth of finishing coiling be fixed to and hold in the recess.In both cases, obviously the coiling space that is provided can be utilized better, thereby the power of engine can be improved.
In vicissitudinous slightly execution mode, the tooth that for example is assembled by sheet material is interconnected on the side of its crown by the junction.After coil being applied on each tooth, the tooth group of Lian Jieing can be used as the yoke unit together like this.
Not only can be advantageously utilised in the in-line engine but also can be advantageously utilised in the rotary type engine according to active cell of the present utility model.Usually also be fit to be applied in the generator, this is conspicuous for a person skilled in the art, although the utility model here is described with reference to engine basically.
Especially be suitable for advantageously being applied in the engine of following situation according to active cell of the present utility model:
-be used for the motion drive unit or the buffer-braking device of lathe, particularly lathe and/or milling machine;
The drive unit of the machine of-manufacturing and detected electrons element and/or circuit board;
-be used for the drive unit of testing jig processor;
-be used for the drive unit of the machine of processed wafer;
-be used for the drive unit of printing machine, be particularly useful for driving the drive unit of roll;
-be used for the drive unit of weaving loom;
-be used for the drive unit of glass processing machine;
-be used for the drive unit of container filling machine, in particular for driving the drive unit of charging pocket-wheel (Zufuehrsternen), especially when charging, be used for closing containers;
-be used for the drive unit of separator, pump, optical measuring machine and optical measuring system;
-be used for housed device, the drive unit of cleaning machine and scrubbing-and-drying unit especially;
Actuator and reactor during-automobile and traveling mechanism are used, especially stabilizer and clutch actuator, especially in parallel and hybrid drive series connection.
Description of drawings
Below with reference to accompanying drawings a plurality of preferred implementations of the present utility model are described, therefrom can obtain other advantage of the present utility model and details.Wherein:
Fig. 1 is the simplification sectional side elevation that is designed for the active cell of in-line engine according to of the present utility model;
Fig. 2 is the end view of yoke of active cell and the detail view of holding recess;
Fig. 3 is the end view of a plurality of interconnected teeth of active cell and the detail view of the junction between the tooth;
Fig. 4 is the simplification stereogram of active cell shown in Figure 1;
Fig. 5 is the simplification sectional side elevation of active cell that is designed for the modification of external rotor rotary type engine;
Fig. 6 is the simplification sectional side elevation of active cell that is designed for the modification of internal rotor rotary type engine.
Embodiment
Fig. 1 has showed the simplification sectional side elevation according to first execution mode of the active cell that can be used as in-line engine of the present utility model.This active cell has the yoke unit of being made by permeability magnetic material 1.Because whole active cell is extended perpendicular to the drawing flat transverse, so yoke unit 1 for example is made up of a large amount of soft iron plates or is made as the material that is used for corresponding ferromagnetic yoke by the material of compactness.In yoke unit 1, be arranged side by side with a plurality of recesses 2 that hold along rotation direction A.The described recess 2 that holds opens wide and has a for example cross section of double swallow tailed groove shape towards the upside of yoke unit.
In addition, described active cell has a large amount of teeth 3, and described tooth wherein holds in the recess 2 at a place with tooth root 4 insertions respectively.The moulding of described tooth root 4 cooperates the shape of holding recess 2 as follows, makes described tooth 3 can firmly be fixed on the yoke unit, preferably retaining element that need not be extra.In the execution mode of being showed, each tooth 3 has the electric coil 5 of oneself on coil segment 6.As its replacement scheme, also can on each tooth, arrange a plurality of coils or coil segment (if employing coil in groups).Described coil 5 preferably is wound on the coil segment 6 with machine, perhaps installs on the coil segment 6 as prefabricated line jacket.Prefabricated line bag can easily be shifted onto on the coil segment, because described tooth root 4 outstanding degree do not surpass the width of described coil segment 6 on cross section.
At last, described tooth 3 has winding overhang 7 respectively, this winding overhang be active cell plane of rotation part and be located substantially on the plane of the break joint L that is formed between engine active cell and the passive unit.Described crown 7 is wideer than coil segment 6 in the execution mode of being showed, wherein this exceed define can for the domination coil space.Preferably, the seamless basically unoccupied place of adjacent teeth hat is adjoined each other.
In the execution mode that Fig. 1 showed, be provided with heel teeth 8 respectively in the left part and the right part of active cell, described heel teeth does not have electric coil, and its crown shape changes for therebetween driving tooth 3 to some extent.In the execution mode of slight change, also electric coil can be installed on the heel teeth 8, especially be used to the rotary type engine and during the ring that therefore is configured to seal, just electric coil need be installed on heel teeth when active cell.
In addition, as can be seen from Figure 1, in the lower area that holds recess 2, add cooling tube seat 10 respectively, in this cooling tube seat, embedded cooling water pipe 11.In an example shown, the cross section of described cooling water pipe 11 and is shown half cross section greatly and is arranged in cooling tube seat 10 ringwise, and last half cross section of cooling water pipe is as tooth contact-segment 15 and embed in the recess of complementation in the tooth root 4.Therefore, described cooling water pipe 11 both with yoke unit 1, also all keep plane contact with the tooth root 4 that is mounted thereon accordingly.This mode has been guaranteed from tooth and yoke unit to the good heat transmission of cooling water pipe and the coolant that transmits cooling water pipe.
Be provided with fixture 12 for active cell being fixed to the frame (not shown).
Fig. 2 has showed there is not the yoke of mounting teeth unit 1 in the mode of end view.Each holds recess 2 and inserts separatedly in the yoke unit 1 with the engine interpolar.Holding between the recess 2, the upside of described yoke unit is provided with free zone 13, and this free zone is opposed with electric coil 5 after assembling, thereby avoids coil directly to lean against on the yoke unit 1.This design helps electric insulation, the noise that helps avoid wearing and tearing and do not wish to occur.
Detail view X among Fig. 2 has showed and has held may constructing of recess 2.The dovetail groove shape that is configured in the top that holds recess 2 makes described tooth to push from the side, and make between the two can shape and pressure fixing suitably.Realize that other moulding of the held stationary of described tooth 03 is familiar with for a person skilled in the art.
Fig. 3 has showed the end view of the toothed chain of being made up of a plurality of teeth 3.In this embodiment, adjacent tooth is interconnected on by on the junction 14 shown in the detail view of Fig. 3.In this manner, the manufacturing of a plurality of teeth and assembling are all very simple, particularly the time marquis that must be made up of a large amount of sheet materials at described tooth.14 need lay material as far as possible thinly in described junction, with on this direction and unwanted magnetic flux be reduced to bottom line.Also can consider when assembling, described junction 14 to be scatter.The adjacent tooth deflection of junction 14 same permissions of ball and socket structure is extended thereby make described tooth axle Z be in angle ground.If described active cell is applied in the rotary type engine, then described tooth needs corresponding angular relationship.
In addition, as can be seen from Figure 3, the cooling water pipe section of being abutted against 16 is installed on the lower end of tooth root 4, this is abutted against and is semi-cylindrical groove.During assembling, this cooling water pipe section of being abutted against 16 is used to hold the tooth contact-segment 15 of half side cooling water pipe 11.
What Fig. 4 showed is the simplified perspective view of assembling the described active cell that finishes, for ease of understanding the electric coil that do not draw in the drawings.Crown 7 has side by side been constructed the plane of rotation 20 that is in the gap.The surface of described crown can be smooth, perhaps also can be configured to for example corrugated or stepped in specific application.Described yoke unit 1 is used as the load-carrying unit of all teeth 3 simultaneously.Embedding is held the cooling water pipe 11 in the yoke unit 1 of recess 2 and is embedded and places the cooling water pipe 11 of the cooling tube seat 10 that holds recess 2 to be configured to continuous cooling pipe, perhaps interconnects and be connected to together cooling system by for example conduit coupling 21.Hold recess 2 for tooth root 4 is inserted, the cooling pipe that needs to extend in outside, yoke unit slightly pushes from needed pushing the zone.This extruding also can easily realize in copper cooling water pipe.
Fig. 5 has showed the execution mode of a kind of change of the described active cell that is designed for the rotary type engine that has external rotor.For this reason, described yoke unit 1 is crooked.In this manner, after described tooth 3 is fixed, just form columniform plane of rotation 20, this plane of rotation points to outer and opposed with the external rotor that does not illustrate.
The execution mode of in Fig. 6, having showed the another kind change of described active cell.The stator that relates to the rotary type engine that has internal rotor in this example.Here, described yoke unit 1 is aduncate, thereby forms the plane of rotation 20 that is positioned at inner cylindrical by crown 7.
As can be seen, can be fit to the requirement of different motors according to active cell of the present utility model.
Reference numerals list
1 yoke unit
2 hold recess
3 teeth
4 tooth roots
5 coils
6 coil segments
7 crowns
8 heel teeths
9 --
10 cooling tube seats
11 cooling water pipes
12 fixtures
13 free zones
14 junctions
15 tooth contact-segments
The 16 cooling water pipe sections of being abutted against
20 planes of rotation
21 conduit couplings
The A rotation direction
The L gap
Z tooth axis

Claims (16)

1. the active cell of motor, it comprises:
-yoke unit (1), this yoke unit be (A) longitudinal extension and have in a large number transverse to what rotation direction was extended and hold recess (2) in rotational direction;
-a plurality of teeth (3), described tooth respectively with its tooth root (4) be fixed on hold in the recess (2) and along towards the gap direction of (L) extend;
-a large amount of electric coils (5), described electric coil are respectively by the coil segment of described tooth (3) (6) carrying, and wherein heel teeth may not reeled with coil yet;
It is characterized in that, add the cooling tube seat (10) that extends axially on the breadth of yoke unit (1) in each bottom that holds recess (2), cooling water pipe (11) is put into to form fit this cooling tube seat respectively, described cooling water pipe with not with tooth contact-segment (15) form fit that contacts of cooling tube seat (10) abut against on the tooth root (4).
2. active cell according to claim 1 is characterized in that, the cross-sectional width of the maximum of described cooling tube seat (10) is not more than the A/F that holds recess (2).
3. active cell according to claim 1 and 2, it is characterized in that described cooling water pipe (11) has circular cross section and roughly each embeds respectively in the cooling water pipe section of being abutted against (16) that the semicircle of semicircular cooling tube seat (10) and described tooth root (4) opens wide with half of its cross section.
4. according to described active cell one of in the claim 1 to 3, it is characterized in that, described tooth (3) has crown (7) respectively, described crown on cross section than coil segment (6) wide and with it one side of (L) forms the part of the plane of rotation (20) of motor towards the gap.
5. active cell according to claim 4 is characterized in that, the crown (7) of adjacent tooth (3) with its essentially no slit of lateral edges adjoin each other.
6. according to claim 4 or 5 described active cell, it is characterized in that a plurality of teeth side by side interconnect by junction (14) on the lateral edges of its crown.
7. active cell according to claim 6 is characterized in that, construct by this way described junction (14),, makes that described tooth (3) can deflection that is, extends thereby make the tooth axis (Z) that extends perpendicular to yoke unit (1) be in angle ground.
8. according to the described active cell of one of claim 1 to 7, it is characterized in that described electric coil is monopole coil (5), this monopole coil is installed in respectively on proper what a tooth (3).
9. according to the described active cell of one of claim 1 to 7, it is characterized in that described electric coil is a coil in groups, described coil is reeled around at least three teeth (3).
10. according to the described active cell of one of claim 1 to 9, it is characterized in that, the material that improves thermo-contact is introduced between cooling water pipe (11) and cooling tube seat (10) and/or cooling water pipe (11) and the tooth root (4).
11., it is characterized in that the cooling water pipe (11) that extends in the cooling tube seat (10) is connected on the cooling system according to the described active cell of one of claim 1 to 10, circulation has coolant in this cooling system.
12., it is characterized in that each tooth (3) that carries the part of electric coil (5) at least releasably is fixed on it to be held in the recess (2) according to the described active cell of one of claim 1 to 11.
13., it is characterized in that described tooth (3) is made up of a large amount of tooth plates respectively according to the described active cell of one of claim 1 to 12, described tooth plate is preferably made by soft iron.
14., it is characterized in that be fixed at described tooth (3) and hold recess (2) before, coil (5) just is installed on the coil segment (6) of described tooth (3) according to the described active cell of one of claim 1 to 13.
15., it is characterized in that described active cell is designed the active cell as one of following engine type according to the described active cell of one of claim 1 to 14:
-in-line engine;
-have a rotary type engine of the internal rotor of rotation;
-have a rotary type engine of the external rotor of rotation.
16. active cell according to claim 15 is characterized in that, this active cell is configured to the stator of corresponding engine.
CN2009201697351U 2008-08-15 2009-08-17 Driving unit of motor Expired - Fee Related CN201611804U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008041292.9 2008-08-15
DE200810041292 DE102008041292A1 (en) 2008-08-15 2008-08-15 Active unit for e.g. electric machine, has teeth fastened with teeth base via receiver openings, respectively, where part of electrical windings supports teeth that are positioned between teeth frames

Publications (1)

Publication Number Publication Date
CN201611804U true CN201611804U (en) 2010-10-20

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Application Number Title Priority Date Filing Date
CN2009201697351U Expired - Fee Related CN201611804U (en) 2008-08-15 2009-08-17 Driving unit of motor

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CN (1) CN201611804U (en)
DE (2) DE202008017448U1 (en)

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DE202008017448U1 (en) 2009-10-01
DE102008041292A1 (en) 2010-02-18

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101020

Termination date: 20130817