CN201478950U - Motor with sensor - Google Patents

Motor with sensor Download PDF

Info

Publication number
CN201478950U
CN201478950U CN2009201590087U CN200920159008U CN201478950U CN 201478950 U CN201478950 U CN 201478950U CN 2009201590087 U CN2009201590087 U CN 2009201590087U CN 200920159008 U CN200920159008 U CN 200920159008U CN 201478950 U CN201478950 U CN 201478950U
Authority
CN
China
Prior art keywords
housing
motor
sensor
axle
bearing
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 - Lifetime
Application number
CN2009201590087U
Other languages
Chinese (zh)
Inventor
J·普凡
K-H·特洛恩德勒
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.)
SEW Eurodrive GmbH and Co KG
Original Assignee
SEW Eurodrive 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 SEW Eurodrive GmbH and Co KG filed Critical SEW Eurodrive GmbH and Co KG
Application granted granted Critical
Publication of CN201478950U publication Critical patent/CN201478950U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21Devices for sensing speed or position, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/14Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The utility model relates to a motor with a sensor, which comprises a rotor with a shaft, a casing and a sensor, wherein the shaft is supported in the casing through a fixed bearing and a floating bearing; the floating bearing can make an axial movement; the shaft is provided with shaft sections with different diameters, and shaft-diameter steps are formed at transitional parts of the shaft sections; an elastic part is arranged between the floating bearing and a casing part, especially for a bearing cover; the casing comprises a stator casing surrounding a stator, wherein the stator casing is provided with mutually parallel radiating fins axially extending; the sensor is provided with a sensor shaft incapable of being relatively and rotatably connected with a motor shaft and a sensor housing incapable of being relatively and rotatably connected with the motor casing; the sensor housing is at least partially encircled by a part for forming the housing; the sensor housing is fixed on a fan housing of a motor and surrounds a fan impeller in a form of forming the casing; when the fan runs, the airflow axially bypasses the part for forming the casing in an unhindered manner or passes through the part for forming the casing; and the part for forming the casing is fixed on the fan housing.

Description

The motor of belt sensor
Technical field
The utility model relates to a kind of motor of belt sensor/detector.
Background technology
Motor by DE 10 2,005 009 601 known a kind of belt sensors.
The utility model content
Therefore the purpose of this utility model is, improves the motor of belt sensor, and wherein the motor of belt sensor can be by simply, make reliably, and the operation of environmental friendliness ground.
The key character of the utility model aspect motor is: motor comprises rotor, housing and the transducer with axle; Wherein, described axle is bearing in the described housing by means of rigid bearing and floating bearing; Wherein, described floating bearing is arranged to and can moves axially, and described axle has the different shaft part of diameter, and the transition part of described shaft part forms diameter of axle step thus; Wherein, at a described floating bearing and a housing parts one elastic component is set between the bearing cap particularly; Wherein, at least one circle of described floating bearing is pressed on the diameter of axle step by elastic component; Wherein, described housing comprises the stator case that surrounds stator, and this stator case has the fin that roughly radially stretches out from described stator case in parallel to each other; Wherein, described transducer has and the axle sensor axis that can not be connected of motor and the sensor housing that can not be connected with the housing of motor with relatively rotating with relatively rotating; Wherein, sensor housing is surrounded by parts a to small part that forms housing; Wherein, described sensor housing be fixed on motor, surround on the fan guard of blast fan with the form that forms housing; Wherein, when blast fan turned round, air-flow in axial direction flow through or passes the parts of described formation housing in the clear on the parts next door that forms housing; Wherein, the parts of described formation housing are fixed on the fan guard; Wherein, described sensor axis is designed to expanding shaft/main axis of dilatation (Spreizwelle), and is connected with described axle force closure ground (kraftschl ü ssig).Its advantage is, the protection transducer is avoided ectocine, for example process or around the influence of the object that flies.However, still transducer reliably also can be installed on the motor simply, and the parts that need not much add or change.The parts that form housing advantageously influence the intrinsic vibration of fan guard, thus the discharging of reduction sound.
The key character of the utility model aspect motor is: described transducer has and the axle sensor axis that can not be connected of motor and the sensor housing that can not be connected with the housing of motor with relatively rotating with relatively rotating, and described sensor housing is surrounded by parts to the small part of a formation housing.Its advantage is, its advantage is, the protection transducer is avoided ectocine, for example process or around the influence of the object that flies.However, still transducer reliably also can be installed on the motor simply.
In a kind of favourable form of implementation, described sensor housing be fixed on motor, surround on the fan guard of blast fan with the form that forms housing, wherein, when blast fan turned round, air-flow in axial direction flow through or passes the parts of described formation housing in the clear on the parts next door that forms housing.Its advantage is that the air eddy that sends sound of formation is little, and motor ventilates as no transducer.The intrinsic vibration of transducer dampen fan cover, thereby the sound discharging of dampen fan cover.
In the favourable form of implementation of another kind, the parts of described formation housing are fixed on the fan guard.Its advantage is form the intrinsic vibration of the parts dampen fan cover of housing, thereby attenuate sound to be discharged.
In the favourable form of implementation of another kind, described sensor axis is designed to expanding shaft, and is connected with described axle force closure ground.Its advantage is sensor axis can be fixed on the motor shaft simple and reliablely.
In the favourable form of implementation of another kind, described sensor housing is positioned at outside the fan guard.Its advantage is that transducer can be installed additional and can be fixed on the fan guard simply.
In the favourable form of implementation of another kind, described sensor housing is bearing on the bearing cap by a supporting member.Its advantage is, can be with transducer reliably, be installed on the motor simply.Even the motor to no fan guard also can sensor installation.
In the favourable form of implementation of another kind, the parts of described formation housing are designed to sensor wrap, and described sensor wrap has the cylindrical outer casing face.Its advantage is, the housing of motor as one man extends, and various difform transducer can be surrounded by sensor wrap.Sensor wrap can be installed the also intrinsic vibration of dampen fan cover simply.
In the favourable form of implementation of another kind, the axial cross section of described sensor wrap has that n is heavy, discrete rotational symmetry, and wherein n is the integer greater than 2, and particularly n equals 4.Its advantage is, can be less by the intrinsic vibration of the sensor wrap of fan guard excitation.Therefore the sound discharging has decayed.
In the favourable form of implementation of another kind, described sensor wrap has the bowl shape of band quadrangle side face, and four bights of described side face are rounded, and wherein the bottom of sensor wrap has crack portion.Its advantage is that sensor wrap can manufacture identical with fan guard in practice.The bight of rounding is as the rib of sensor wrap.The air-flow that is produced by blast fan flows to blast fan with being subjected to disturbance hardly, and in the motor by-pass flow.Blast fan and air-flow have only encouraged very little sensor wrap intrinsic vibration.Thereby attenuate sound discharging.
In the favourable form of implementation of another kind, described sensor wrap clamps the ground pushing sleeve on fan guard.Its advantage is sensor wrap can be installed on the fan guard reliably.This prevents to form contact sound
Figure G2009201590087D00031
In the favourable form of implementation of another kind, the parts of described formation housing are designed to the punching press plate.Its advantage is to make and to install the parts that form housing simply.
In the favourable form of implementation of another kind, described punching press plate has hexagonal bottom surface, the hexagon bottom surface on a seamed edge, one quadrangle blade is shown the right angle bending greatly, the end regions of described blade is by with the right angle bending, and it is protruding to make described end regions be roughly parallel to the bottom surface.Its advantage is that the intrinsic vibration of the punching press plate that can evoke is less.
In the favourable form of implementation of another kind, described punching press plate is fixed on the fan guard.Its advantage is the intrinsic vibration of dampen fan cover.
In the favourable form of implementation of another kind, the end regions of described blade has through hole, clamping screw
Figure G2009201590087D00032
Pass described through hole, described clamping screw screws in locking nut In, described locking nut is fixed on the fan guard.Its advantage is, the punching press plate can be installed on the fan guard simple and reliablely, and the intrinsic vibration of dampen fan cover effectively.
The utility model is not limited to the characteristics combination of claim.For the professional, the task by offering the challenge and/or being proposed compared with prior art particularly just obtains the possible scheme of other suitable combination of the feature of the claim feature of claim and/or individual event and/or specification and/or accompanying drawing.
Description of drawings
Fig. 1 schematically shows according to motor 50 of the present utility model with perspective view;
Fig. 2 with schematic longitudinal section illustrate shown in Figure 1, according to motor 50 of the present utility model;
Fig. 3 schematically shows the optional form of implementation of the transducer attachment structure and the parts of the formation housing that is designed to punching press plate 651 with decomposition diagram.
Reference numerals list
1 rotor, 2 thrust rings
3 rib keys, 4 another rib keys
7 flanges, 8 flange holes
9 closed screws, 10 back-up rings
11 rigid bearings 12 are used for the back-up ring in hole
15 jiaos of screws of 14 pads
16 stators, 17 hex nuts
18 stator stack, 19 fillister head screws
20 stator winding, 21 winding overhanging ends
22 another hex screw 24 eye bolts
30 shaft seals, 31 fan rib keys
32 another back-up ring 35 fan guards
36 blast fans, 38 fan blade
41 elastic components, 42 bearing caps
44 floating bearings 49 form the thickening part at equilateral right angle
50 motors, 52 stator cases
54 fin, 55 trapezoidal lugs
60 fixing holes, 64 blind flanges
66 67 junction box seats
72 rotor assembly, 74 rotor lamination stack
76 rotor castings, 80 fixed structures
104 pads, 106 Simmer rings
107 oil baffle discs, 108 nameplates
109 Slot nails, 110 terminal boxes
111 are used for the seal 112 terminal box lower member of terminal box lower member
113 another screw 115 terminal blocks
116 grip gasket, 117 clamping screws
118 spring coils, 119 hold-down screws
123 terminal box hex screws, 128 fastening pads
The closed screw 131 of 129 band O type circles is used for the seal of connector cover
The closed screw of 132 connector covers, 134 band O type circles
219 transducers, 220 sensor housings
221 expanding shafts, 224 sickleshaped stamping parts
225 splicing sleeves, 226 supporting screws
232 transducer screws, 233 transducer nuts
262 binding posts, 269 sleeve pipes
319 binding nuts, 361 sensor wrap
390O type circle 616 fixed heads
619 link cover of FIG, 651 locking nuts
657 punching press plates, 659 lock-screws
950 closing cocks
Embodiment
Describe the utility model in detail by means of accompanying drawing now.
Fig. 1 schematically shows according to motor 50 of the present utility model with perspective view.Motor 50 has the roughly stator case 52 of tubular, and this stator case has the fin 54 that is parallel to each other, roughly radially stretch out from stator case.The free end of fin 54 is positioned on the face, described face be smooth or curvature less than stator case 52.Particularly described free end be positioned at four roughly vertically arranged mutually, basically on the smooth face.Form angle element between the smooth face at the trapezoidal lug on the end regions of the end face on the outer surface of stator case 52 55.The outer surface of each outermost fin 54 of described interconnects by thickening part 49 in stator case 52, that form equilateral right angle.Thickening part 49 is L-shaped from axially seeing.On at least one smooth face, in the thickening part 58 of many fin 54 of a connection, form tapped blind-hole type fixing hole 60.The described fixing hole 60 usefulness various possible fixed solution that installs element (for example allowing motor 50 is fixed on eye bolt 24 on the crane hook again) additional of opposing.On stator case 52, can fix a base plate as base.
The terminal box 110 of one cuboid is threaded on the junction box seat 67 into its setting.Junction box seat 67 is integrally formed with stator case 52, and roughly radially reaches outside the free end of fin 54 along fin 54.Terminal box 110 has terminal box lower member 112 and connector cover 132, and this connector cover is threaded on the terminal box lower member 112 regularly by means of terminal box hex screw 123.
Nameplate 108 is installed on the described smooth face by a Slot nail 109.Nameplate 108 has the product labelling about the parameter of technology and motor 50.
The housing of motor 50 comprises blind flange 64, bearing cap 42 and stator case 52.Be used in blind flange 64 axis hole of axle 66 through hole and bearing cap 42, the end face of stator case 52 is by bearing cap 42 and blind flange 64 sealings.
On blind flange 64, form one and be used for the flange 7 that flange connects device to be driven.Flange 7 has flange hole 8 for this reason.When reducing material consumption, improved the reinforcement between blind flange and the flange matrix stability of blind flange.The matrix of blind flange 64 has the trapezoidal lug that forms the bight on its side face.In the internal thread in the hole in the trapezoidal lug on blind flange 64, screw in a hex screw 15 under the situation of cushioning one pad, described hex screw is passed in the through hole of trapezoidal lug 55 of the blind flange side of stator case 52.
In the hole that is used for axle 66 of blind flange 64, avoid polluting for example pollution of dust, water and/or transmission oil by an oil baffle disc 107 and a Simmer ring 106 containment vessel intracoelomic cavities.On flange 7, can be connected a device to be driven with the flange hex nut by means of studs.The rotating part of device that can this is to be driven can not be fixed with relatively rotating, particularly is fixed on the axle 66 by means of the sealed ground of rib key 3 shapes (formschl ü ssig).Blind hole in axle 66 end faces and thrust ring 2 usefulness are opposed, and various element to be driven is additionally felt relieved and/or fixing possible scheme.
On the outward flange of bearing cap 42, form a thickening part, the tapped blind hole that this thickening part has the through holes that are parallel to axle 66 orientations and is provided with perpendicular to this through hole, radially extend with respect to axle 66.The tapped blind hole of radially extending with respect to axle 66 is used for fixing other hex screw 22.Make a cylinder head bolt 19 pass hole and the hole in the trapezoidal lug 55 on the stator case 52 in the bearing cap 42, that be parallel to axle 66 orientations, be threaded in the hex nut 17, thereby bearing cap 42 is fixed on the stator case 52.
One fan guard 35 is installed on the periphery of bearing cap 42, specifically this fan guard and bearing cap 42 are overlapped in the axial direction on the cover cap, and be fixed on the bearing cap 42 with other hex screw 22.
Fan guard 35 has the shell shape of the bottom of tetragonal, as to have rounding bight peace, and wherein the bottom is not sealed, but is formed by cell structure.Fan guard 35 with towards the opening sleeve of bearing cap 42 on bearing cap 42, make the cell structure of fan guard be roughly parallel to bearing cap 42 ground and extend.Fan guard 35 around wall have first segmentation that forms abreast with axle 66 axis direction and one with respect to the axis direction of axle 66 obliquely, second segmentation that extends internally to funnel-form.First segmentation has on the stator case side and correspondingly is suitable for overlapping the ground periphery of cover cap on bearing cap 42, and described periphery reduces with a step towards the bottom of fan guard 35.
Be designed under installment state in the segmentation of extendible portion of smooth seating surface of stator case 52, second segmentation of fan guard 35 has roughly corrugated projection and depression, and described projection and being recessed among Fig. 1 is hidden by sensor wrap 361.
Clamping the sensor wrap 361 that is used for transducer 219 on the ground pushing sleeve on the fan guard 35.The profile of this sensor wrap 361 is similar to fan guard.Self-tapping screw (Blechschraube) 34 is used for sensor wrap 361 is fixed on fan guard 35.Make sensor wrap 361 just be kept and make the vibration attenuation of sensor wrap under without the situation of self-tapping screw 34 reliably by described clamping.Prevent the contact sound of sensor wrap 361 on fan guard 35.On the end regions of housing dorsad, can see as to described projection of fan guard and depression.
Transducer as angle measurement system is known.
Fig. 2 with schematic longitudinal section illustrate shown in Figure 1, according to motor 50 of the present utility model.
Stator 16 has stator stack 18 and has the stator winding 20 of overhanging section 21 of winding, and is fixed in the stator case 52.Comprise that the stator winding 20 of overhanging section 21 of winding of band and the stator 16 of stator stack 18 are fixed in the stator case 52 with fixed structure 80, particularly are pressed in the stator case 52.
Rotor 1 has axle 66 and rotor set 72.Axle 66 has the different shaft part of a plurality of diameters in the axial direction.The transition part of shaft part is a plurality of diameter of axle steps owing to different diameters forms.Rotor set 72 can not be arranged in roughly central authorities at axle 66 with relatively rotating, have in the shaft part of the maximum diameter of axle, particularly is pressed on this shaft part.
Rotor set 72 has a rotor lamination stack 74.The lamination of rotor lamination stack 74 interconnects, for example by punching press and/or by a short circuit cage that forms rotor 1
Figure G2009201590087D00081
Rotor casting 76 connect.Here rotor casting 76 form annular ledge ground, on the axial direction of axle 66 outside rotor lamination stack 74 is stretched out in both sides.
Blind flange 64 and bearing cap 42 surround inner chamber housing, that be tubular of motor 50 with stator case 52.Axle 66 utilizes rigid bearing 11 and floating bearing 44 to support with respect to housing.
The rigid bearing 11 that is designed to deep groove ball bearing is enclosed within on the axle 66 in the blind flange thruster, the inner ring of this rigid bearing 11 by band pad 104 back-up ring 10 and diameter of axle step axial restraint be bearing in a side.Back-up ring 10 is fastened in the cannelure of axle in 66.Rigid bearing 11 in the stator case side is arranged in a fixed bearing block that is formed in the blind flange 64, and by fixed bearing block, annular around the bight and to be used for the back-up ring 12 in hole fixing.The back-up ring 12 that is used for the hole snaps in the groove of the fixed bearing block in the blind flange 64.
One floating bearing 44 that is designed to deep groove ball bearing is enclosed within on the axle 66 until till another diameter of axle step in the bearing cap side.Abut on the radial surface of another diameter of axle step with its stator case side end face by the inner ring that makes floating bearing 44, floating bearing 44 is supported towards rotor set 72 in the axle side.
Bearing cap 42 forms a thickening part in the axis hole zone.This thickening part is pointed to stator case 52 and is formed.In the thickening part of bearing cap 42, to the wide-open hollow cylindrical shell of stator case and axis hole with one heart, form, and, floating bearing 44 holds receptacle for forming sleeve shafts with the diameter bigger than axis hole.
One compensate gasket is designed to ring elastic parts 41, is preferably designed to disk spring.Elastic component 41 holds at sleeve shaft and is arranged in the receptacle between floating bearing 44 and the bearing cap 42, and is bearing on the bearing-surface in the bearing cap.This bearing-surface only need bear the spring force of elastic component 41 in the axial direction.The race diameter of elastic component 41 is less than or equal to the diameter that sleeve shaft holds receptacle greater than shaft hole diameter.The inside opening diameter of elastic component 41 is the same big with the diameter of axle of axle 66 in sleeve shaft holds the receptacle zone at least.Between another diameter of axle step and elastic component 41, the sleeve shaft that movingly floating bearing 44 is installed in the bearing cap 42 holds in the receptacle in the axial direction.Movable being meant, floating bearing 44 can be followed because the moving axially of another diameter of axle step that axle 66 length variations causes.Floating bearing 44 is followed the motion of diameter of axle step when the axial length of axle 66 changes, and the inner ring of floating bearing 44 remains pressed against on the sagittal plane of diameter of axle step owing to the spring force of elastic component 41.Elastic component 41 is strain correspondingly, and can not make floating bearing 44 distortion or change bearing performance unfriendly.For example bear the length variations of the axle 66 that causes by heat or the mismachining tolerance of axle 66 and bearing receptacle in this way.
In an optional embodiment, elastic component is pressed on the inner ring of floating bearing 44.In this case, rigid bearing and floating bearing do not have excessive stresses ground (verspannungsfrei) and are fixed in the motor.In another optional embodiment, elastic component is pressed on inner ring and the outer ring.
The shape and the material of elastic component 41 are selected like this,, in the repeatedly length variations circulation of axle 66, that is to say in expansion and contraction in axial direction that in the useful life of motor 50, floating bearing 44 is all axially fixing movingly by elastic component 41 that is.At this, the maximum axial force that the thrust of elastic component 41 can be born less than floating bearing 44 under the situation of considering manufacturing tolerance.The particularly quantity and/or the Adjusting Shape of the elastic component 41 that thrust can be by being preferably designed to disk spring.Therefore elastic component 41 is also as compensate gasket.In addition, metal, particularly spring steel are suitable for the material as elastic component 41, and metal also is suitable for conducting heat between bearing and housing.
Because the outer ring of rigid bearing 11 and inner ring support with being axially fixed, so floating bearing 44 needn't bear from the axial force of external action on axle 66.So floating bearing can be designed to less bearing, and motor 50 can design very compactly.
The thickening outward flange of bearing cap 42 forms towards stator case 52 equally, and has other fin on its outward flange, and described fin is designed to the extendible portion of the fin 54 of stator case 52 at least in part.
In junction box seat 67, a terminal block 115 is installed by other screw 113.Terminal block 115 has at least one screw rod that is designed to binding post, and this screw rod is threaded nut and the pad that is connected on this screw rod.In stator case 52, in the zone of junction box seat 67, has the cable hole that is used to be provided with connection lead (the connection lead that for example is used for stator winding 20).Inner corner portion with roughly cylindricality butted line cassette holder 56 is strengthened.In this rib, has tapped blind hole.Towards junction box seat 67, terminal box lower member 112 forms the framework roughly corresponding with the end face of junction box seat 67.The through hole in described rib that hold-down screw 119 passes framework screws in securely.Between the end face of the framework of terminal box lower member 112 and junction box seat 67, clamp a seal 111 that is used for terminal box lower member 112.Have the cable hole that varies in size in the wall of described terminal box lower member 112, described cable hole can be sealed by closed screw corresponding by size, band O type circle.
Terminal box lower member 112 and forms a base plate in the terminal box zone, stretch out junction box seat 67 and bearing cap 42 in the bearing cap side in the axial direction in this terminal box zone.On this base plate, have wiring constructions in terminal box of stretching into 110, different, particularly be installed in the binding post 262 on the fixed head 616.Described fixed head 616 is fixed on the base plate with hold-down screw.A cuboid projection stretches into the inner chamber of terminal box 110 from base plate in addition.In this projection, be screwed into a clamping screw 117.Screw in a binding nut 319 on clamping screw 117, this binding nut is pressed on spring coil 118 and grip gasket 116 on the projection.
Terminal block 115 can be used for being electrically connected the outer lead of introducing from the outside and the lead of introducing terminal box 110 from motor 50, for example lead of drawing from stator winding 20 with different wiring constructions.Terminal box 110 is clamped in seal 131 sealings between connector cover 132 and the terminal box lower member 112, that be used for connector cover 132 with a connector cover 132 and.For this reason, connector cover 132 is threaded on the terminal box lower member 112 with terminal box hex screw 123.
Can not relatively rotate on the bearing cap side latter end of axle 66 ground particularly shape a blast fan 36 is installed on the axle 66 sealedly, for example utilize truncation portion or blast fan-rib key 31 in the axle cross section to install.In the axial direction, blast fan 36 by additional diameter of axle step and another back-up ring shape is sealed and/or force closure fix.Blast fan 36 is arranged under installment state between the cell structure of bearing cap 42 and fan guard 35, and is surrounded by fan guard 35.
Blast fan 36 has a radially-protruding fan disk, the truncate pyramid curved surface that this fan disk formation one is opened towards bearing cap 42 with its bottom surface.Radially the fan blade 38 of Yan Shening on a side that deviates from housing of fan disk, be approximately perpendicular to fan disk, erect towards the direction of fan guard 35 vertically.Fan disk is radially towards being transited into the fixed area 37 that one of blast fan 36 takes the shape of the letter U along axle 66 in the cross section.The innermost edge of fixed area 37 form the blast fan cylindrical shell, with 66 negative camber that contact.The limit in the axle side of the U-shaped of fixed area is clamped by another diameter of axle step of axle 66 and another back-up ring 32.Thereby make blast fan 36 fixing in the axial direction.
Blast fan 36 is preferably integrally formed by light material (for example plastics or aluminium).Improve the moment of inertia if desired, then the heavier blast fan of preferably making by die casting or steel.
Fan guard 35 cover caps and have an opening in the axial extension of axle 66 on fan 36 and bearing cap 42.Therefore observe from housing, a device to be driven in axial direction can also be installed or in the fan guard back as the transducer 219 of angel measuring instrument.
The expanding shaft 221 of transducer 219 is inserted in the axle 66 crack portions and is connected with axle 66 force closures ground by opening.One sickleshaped stamping parts 224 encloses sensor housing 220 with a semicircle fragmented packets and is fixed on this sensor housing.The handle section of sickleshaped stamping parts 224 is radially stretched out from sensor housing.One supporting screw 226 passes the hole in the handle section of sickleshaped stamping parts, and passes a splicing sleeve 225, screws in the bearing cap 42.Therefore sensor housing 220 is bearing on the bearing cap by sickleshaped stamping parts 224 and supporting screw 226 or splicing sleeve 225.This support pattern works equally in not with the fan-free type motor of fan guard 35.
In another kind of form of implementation, sensor housing 220 only is fixed on the fan guard 35.Here, a segmentation of observing a sensor shell body component from sensor housing 220 engages fan guard 35 in the back.Transducer screw 232 passes the hole in the segmentation of the crack portion of fan guard 35 and sensor shell body component, and with the such acting in conjunction of a nut, sensor housing is fixed on the fan guard.
The parts that form housing are designed to sensor wrap 361, and surround sensor housing 220 with the form that forms housing.This sensor wrap 361 has the profile similar to fan guard 35, has the cylindrical outer casing face especially and as the cell structure of bottom, the transversal of described cylindrical outer casing face worn the bight of rounding and be roughly tetragonal cross section.The air-flow that blast fan 36 by rotation produces in axial direction passes the bar structure of sensor wrap 361, from sensor housing 220 by-pass flows, the cell structure that passes fan guard 35 flows to fan 36, and continues to flow along stator case 52.
Link cover of FIG 619 in axial direction pushing sleeve is connected with sensor housing 220 on sensor housing or otherwise, for example is threaded.The cable hole of link cover of FIG 619 extends radially, and consistent with the sleeve pipe 269 in the incision-like crack portion of sensor wrap 361.
Fig. 3 schematically shows the transducer attachment structure with decomposition diagram and is designed to optional form of implementation punching press plate 657, that form the parts of housing.Punching press plate 657 has a hexagonal bottom surface.This hexagon bottom surface on a seamed edge, a quadrangle blade is shown the right angle bending greatly, thereby extends vertically.The end regions of blade is again with the right angle bending, and it is protruding to make this end regions be roughly parallel to the bottom surface.In this end regions, process a through hole, clamping screw
Figure G2009201590087D00121
659 pass this hole, screw in the locking nut 651.Locking nut
Figure G2009201590087D00122
651 are fixed on the cell structure of fan guard 35, particularly insert in the cell structure from the bearing cap side.Under the situation that the punching press plate is fixed, the end regions of blade entirely abuts on the cell structure of fan guard 35.By end on observation, described bottom surface hides sensor housing fully.
The cable hole of the link cover of FIG 619 of transducer 219 is radially from stretching out between two blades.The advantage of this form of implementation is that the physical dimension of the motor 50 of belt sensor 219 is less, and material consumption is less, and weight is lighter.This outer sensor 219 can be connected on the control device simply.Transducer 219 by attaching has reduced the vibration of fan guard 35 and the sound discharging when fan 36 turns round.

Claims (17)

1. a motor comprises rotor, housing and transducer with axle, it is characterized by:
Wherein, described axle is bearing in the described housing by means of rigid bearing and floating bearing,
Wherein, described floating bearing is arranged to and can moves axially, and described axle has the different shaft part of diameter, and the transition part of described shaft part forms diameter of axle step thus,
Wherein, between a described floating bearing and a housing parts, an elastic component is set,
Wherein, at least one circle of described floating bearing is pressed on the diameter of axle step by elastic component,
Wherein, described housing comprises the stator case that surrounds stator, and this stator case has the fin that radially stretches out from described stator case in parallel to each other,
Wherein, described transducer has and the axle sensor axis that can not be connected of motor and the sensor housing that can not be connected with the housing of motor with relatively rotating with relatively rotating,
Wherein, sensor housing is surrounded by parts a to small part that forms housing,
Wherein, described sensor housing be fixed on motor, surround on the fan guard of blast fan with the form that forms housing,
Wherein, when blast fan turned round, air-flow in axial direction flow through on the parts next door that forms housing in the clear or percolation is crossed the parts of described formation housing;
Wherein, the parts of described formation housing are fixed on the fan guard,
Wherein, described sensor axis is designed to expanding shaft, and is connected with described axle force closure ground.
2. motor according to claim 1 is characterized by:
Described housing parts is a bearing cap.
3. the motor of a belt sensor,
Wherein, described transducer has and the axle sensor axis that can not be connected of motor and the sensor housing that can not be connected with the housing of motor with relatively rotating with relatively rotating,
It is characterized by:
Described sensor housing is surrounded by parts a to small part that forms housing.
4. motor according to claim 3,
It is characterized by:
Described sensor housing be fixed on motor, surround on the fan guard of blast fan with the form that forms housing, wherein, when blast fan turned round, air-flow in axial direction flow through on the parts next door that forms housing in the clear or percolation is crossed the parts of described formation housing.
5. motor according to claim 4,
It is characterized by:
The parts of described formation housing are fixed on the fan guard.
6. according to each described motor in the claim 3 to 5.
It is characterized by:
Described sensor axis is designed to expanding shaft, and is connected with described axle force closure ground.
7. according to each described motor in the claim 3 to 5,
It is characterized by:
Described sensor housing is positioned at outside the fan guard.
8. according to each described motor in the claim 3 to 5,
It is characterized by:
Described sensor housing is bearing on the bearing cap by a supporting member.
9. motor according to claim 3,
It is characterized by:
The parts of described formation housing are designed to sensor wrap, and described sensor wrap has the cylindrical outer casing face.
10. motor according to claim 9.
It is characterized by:
The axial cross section of described sensor wrap has that n is heavy, discrete rotational symmetry, and wherein n is the integer greater than 2.
11. motor according to claim 10 is characterized by:
N equals 4.
12. according to claim 9 or 10 described motors,
It is characterized by:
Described sensor wrap has the shell shape of band quadrangle side face, and four bights of described side face are rounded, and wherein the bottom of sensor wrap has crack portion.
13. according to claim 9 or 10 described motors,
It is characterized by:
Described sensor wrap clamps the ground pushing sleeve on fan guard.
14. motor according to claim 3,
It is characterized by:
The parts of described formation housing are designed to the punching press plate.
15. motor according to claim 14,
It is characterized by:
Described punching press plate has hexagonal bottom surface, the hexagon bottom surface on a seamed edge, a quadrangle blade is shown the right angle bending greatly, the end regions of described blade is by with the right angle bending, it is protruding to make described end regions be roughly parallel to the bottom surface.
16. according to claim 14 or 15 described motors,
It is characterized by:
Described punching press plate is fixed on the fan guard.
17. motor according to claim 15,
It is characterized by:
The end regions of described blade has through hole, and clamping screw passes described through hole, and described clamping screw screws in the locking nut, and described locking nut is fixed on the fan guard.
CN2009201590087U 2008-06-18 2009-06-18 Motor with sensor Expired - Lifetime CN201478950U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008028658.3 2008-06-18
DE102008028658A DE102008028658A1 (en) 2008-06-18 2008-06-18 Electric motor, has sensor housing fastened to fan cover surrounding fan wheel, housing forming part fastened to fan cover, and sensor shaft implemented as spreading shaft and connected to shaft in force-fit manner

Publications (1)

Publication Number Publication Date
CN201478950U true CN201478950U (en) 2010-05-19

Family

ID=41334802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201590087U Expired - Lifetime CN201478950U (en) 2008-06-18 2009-06-18 Motor with sensor

Country Status (2)

Country Link
CN (1) CN201478950U (en)
DE (1) DE102008028658A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447354A (en) * 2010-10-08 2012-05-09 索尤若驱动有限及两合公司 Variable-frequency motor, frequency converter and heat radiation member
CN104040847A (en) * 2011-11-21 2014-09-10 包米勒公司 Electric machine
CN111969753A (en) * 2018-06-22 2020-11-20 群光电能科技股份有限公司 Motor sleeve and motor device
CN113853725A (en) * 2019-05-21 2021-12-28 索尤若驱动有限及两合公司 Drive device having an electric machine with a rotor shaft, an angle sensor and a cover part and a connecting module, and method for producing a drive device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2804295A1 (en) 2013-05-13 2014-11-19 Siemens Aktiengesellschaft Housing for an electric machine
DE102023003056A1 (en) * 2022-09-06 2024-03-07 Sew-Eurodrive Gmbh & Co Kg Electric motor with angle sensor, especially hollow shaft encoder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005009601B4 (en) 2005-02-28 2009-04-02 Sew-Eurodrive Gmbh & Co. Kg Drive and method for monitoring this drive

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447354A (en) * 2010-10-08 2012-05-09 索尤若驱动有限及两合公司 Variable-frequency motor, frequency converter and heat radiation member
CN102447354B (en) * 2010-10-08 2014-08-13 索尤若驱动有限及两合公司 Variable-frequency motor, frequency converter and heat radiation member
CN104040847A (en) * 2011-11-21 2014-09-10 包米勒公司 Electric machine
CN111969753A (en) * 2018-06-22 2020-11-20 群光电能科技股份有限公司 Motor sleeve and motor device
CN111969753B (en) * 2018-06-22 2021-09-21 群光电能科技(台州)有限公司 Motor sleeve and motor device
CN113853725A (en) * 2019-05-21 2021-12-28 索尤若驱动有限及两合公司 Drive device having an electric machine with a rotor shaft, an angle sensor and a cover part and a connecting module, and method for producing a drive device

Also Published As

Publication number Publication date
DE102008028658A1 (en) 2009-12-24

Similar Documents

Publication Publication Date Title
CN201478950U (en) Motor with sensor
CN201563016U (en) Motor
CN201594774U (en) Brake and motor with same
CN201490801U (en) Motor with sensor
CN201584852U (en) Motor with electromagnetism-operated brake and brake
US9413204B2 (en) Motor-driven compressor
CN103248269B (en) Wheel-type piezoelectric beam generator based on clamping limit
CN101420140A (en) Rotor of rotary motor and production method thereof
CN108699948B (en) Compressor impeller fixing nut, impeller assembly, and supercharger
CN201557014U (en) motor with sensor
CN102597428B (en) Exhaust gas turbocharger, vehicle and the method for assembling exhaust gas turbocharger
EP2194633A1 (en) Brushless ac generator for vehicle
CN201556993U (en) Motor provided with fan
CN101867270A (en) Special high-voltage three-phase asynchronous motor for compressor
CN102468051A (en) Novel capacitor and single-phase asynchronous motor with novel capacitor
GB2034534A (en) Eddy-current speed reducers and retarders
CN201478951U (en) motor with sensor
US9243666B2 (en) AC generator for vehicle
CN201656710U (en) Permanent magnetic disc type brushless motor
CN102251975B (en) Axial flow fan of explosion-proof-type external rotor motor
CN202125445U (en) Explosion-proof axial flow fan for outer rotor motor
WO2023092804A1 (en) Electric motor capable of realizing bearing protection
CN202118162U (en) Support of machine set
CN214045250U (en) Electric generator
CN207647815U (en) A kind of axial flow blower

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100519