CN202221955U - Rotary motor, wind power generation system and rotation detector used for rotary motor - Google Patents

Rotary motor, wind power generation system and rotation detector used for rotary motor Download PDF

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Publication number
CN202221955U
CN202221955U CN2011203397005U CN201120339700U CN202221955U CN 202221955 U CN202221955 U CN 202221955U CN 2011203397005 U CN2011203397005 U CN 2011203397005U CN 201120339700 U CN201120339700 U CN 201120339700U CN 202221955 U CN202221955 U CN 202221955U
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China
Prior art keywords
shaft
rotating member
rotation
sensor part
rotor
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Expired - Fee Related
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CN2011203397005U
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Chinese (zh)
Inventor
津曲宏
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Yaskawa Electric Corp
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Yaskawa Electric Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model provides a rotary motor capable of easily replacing a rotation detection part which annularly surrounds a rotating shaft part. The generator (1) (rotary motor) comprises: a rotor (20) provided with a shaft (10), and a stator (30); and a rotary encoder (50) used for detecting rotation of the rotor (20), wherein the rotary encoder (50) comprises an annular rotating member (51) which is arranged on the shaft (10) in the way of annularly surrounding the shaft (10) and can rotate with the rotor (20) by taking the shaft (10) as a rotating shaft, and a sensor part (52) used for detecting rotation of the annular rotating member (51), wherein the annular rotating member (51) is arranged on the shaft (10) and can be separated in the radius direction.

Description

Electric rotating machine, wind generator system and be used in the rotation detector of electric rotating machine
Technical field
The rotation detector that the utility model relates to a kind of electric rotating machine, wind generator system and is used in electric rotating machine relates in particular to electric rotating machine, wind generator system with shaft and the rotation detector that is used in electric rotating machine.
Background technology
In the past, the electric rotating machine known (for example with reference to patent documentation 1) that has shaft.In above-mentioned patent documentation 1, a kind of wind power generation plant is disclosed, it possesses the generator (electric rotating machine) with shaft.In this wind power generation plant, generator constitutes through shaft and is connected with various devices such as gear box.At this; In existing generator like record in the above-mentioned patent documentation 1; In order to keep watch on the rotating speed of generator, between the generator on the shaft and other devices (for example gear box), the rotary encoder (rotation test section) that annular is surrounded the pattern of shaft is installed sometimes.
Patent documentation 1: the spy of Japan opens the 2005-320891 communique
But; Above-mentioned existing generator has following inconvenience: when the rotary encoder of the pattern of changing annular encirclement shaft, need on shaft, decompose the mechanical structured member (for example generator and gear box) that is configured in the rotary encoder both sides.Therefore, there is following problem in above-mentioned existing generator (electric rotating machine): can't carry out the replacing of rotary encoder (rotation test section) that annular is surrounded the pattern of shaft easily.
The utility model content
The utility model is accomplished in order to solve above-mentioned problem, and a purpose of the utility model provides a kind ofly can carry out the electric rotating machine of replacing of rotation test section that annular is surrounded the pattern of shaft easily.
In order to achieve the above object, the electric rotating machine of the 1st kind of situation of the utility model is to possess: rotor and stator with shaft; And the rotation test section of the rotation of detection rotor, it is characterized in that the rotation test section comprises: the ring rotation member, be installed as annular at shaft and surround shaft, be that rotating shaft is rotated with rotor with the shaft; And sensor part, detecting the rotation of rotating member, the ring rotation member is installed on shaft and can on radial direction, separates.
As stated; In the 1st kind of electric rotating machine that situation relates to of the utility model; The rotation test section of detection rotor rotation constituted be included in shaft and be installed as the ring rotation member that annular is surrounded shaft, simultaneously this ring rotation member is constituted and be installed on shaft and can on radial direction, separate.Thus; When changing the rotation test section; Ring rotation member through being installed on shaft separates on radial direction; Thereby need not on shaft, the mechanical structured member (for example rotor, stator and gear box etc.) that is configured in rotation test section both sides to be decomposed, the rotating member of the rotation test section that can will wear removes from shaft.And; Through the ring rotation member is configured on the shaft under the state that separates on the radial direction; Simultaneously those rotating members that are in released state are combined on shaft; Thereby when changing the rotation test section, need not on shaft, the mechanical structured member that is configured in rotation test section both sides to be decomposed, can the rotating member of new rotation test section be installed on shaft.Its result can carry out the replacing of rotation test section that annular is surrounded the pattern of shaft easily.
The 2nd kind of wind generator system that situation relates to of the utility model is to possess: electric rotating machine comprises the rotation test section of the rotation of rotor with shaft and stator and detection rotor; And blade, the shaft binding with electric rotating machine is characterized in that, the rotation test section has: and the ring rotation member, be installed as annular at shaft and surround shaft, be that rotating shaft is rotated with rotor with the shaft; And sensor part, detecting the rotation of rotating member, the ring rotation member is installed on shaft and can on radial direction, separates.
As stated; In the 2nd kind of wind generator system that situation relates to of the utility model; The rotation test section of the rotor rotation that detects electric rotating machine constituted be included in shaft and be installed as the ring rotation member that annular is surrounded shaft, simultaneously this ring rotation member is constituted and be installed on shaft and can on radial direction, separate.Thus; When changing the rotation test section of electric rotating machine; Ring rotation member through being installed on shaft separates on radial direction; Thereby need not on shaft, the mechanical structured member (for example rotor, stator and gear box etc.) that is configured in rotation test section both sides to be decomposed, the rotating member of the rotation test section that can will wear removes from shaft.And; Through the ring rotation member is configured on the shaft under the state that separates on the radial direction; Rotating member with those separation combines on shaft simultaneously; Thereby when changing the rotation test section of electric rotating machine, need not on shaft, the mechanical structured member that is configured in rotation test section both sides to be decomposed, can the rotating member of new rotation test section be installed on shaft.Its result can carry out the replacing of rotation test section that annular is surrounded the pattern of shaft easily.At this, generally speaking, aspect the wind generator system that requires long-life and high reliability, in being used in the part of wind generator system, the life-span of the rotation test section of the rotor rotation of detection electric rotating machine is shorter.In the case, in the utility model, owing to can carry out the relatively replacing of short rotation test section of life-span easily, so, can shorten the time of causing wind generator system integral body to stop along with the replacing of rotation test section.Thus, can improve the whole operation ratio of wind generator system.
The rotation detector that is used in electric rotating machine that the 3rd kind of situation of the utility model relates to does; It is the rotation detector that is used in the electric rotating machine that possesses rotor with shaft and stator; It is characterized in that; Possess: the ring rotation member, be installed as the shaft that annular is surrounded electric rotating machine at shaft, be that rotating shaft is rotated with rotor with the shaft; And sensor part, detecting the rotation of rotating member, the ring rotation member is installed on shaft and can on radial direction, separates.
As stated; In the rotation detector that is used in electric rotating machine that the 3rd situation of the utility model relates to; Constitute and to be included in shaft and to be installed as the ring rotation member that annular is surrounded the shaft of electric rotating machine, simultaneously this ring rotation member is constituted and be installed on shaft and can on radial direction, separate.Thus; When changing rotation detector; Ring rotation member through being installed on shaft separates on radial direction; Thereby need not on shaft, the mechanical structured member (for example rotor, stator and gear box etc.) that is configured in the rotation detector both sides to be decomposed, can the rotating member of the rotation detector that wears be removed from shaft.And; Through the ring rotation member is configured on the shaft under the state that separates on the radial direction; Rotating member with those separation combines on shaft simultaneously; Thereby when changing rotation detector, need not on shaft, the mechanical structured member that is configured in the rotation detector both sides to be decomposed, can the rotating member of new rotation detector be installed on shaft.Its result can carry out the replacing of rotation detector that annular is surrounded the pattern of shaft easily.
Description of drawings
Fig. 1 is the ideograph that is used to explain the formation of the wind generator system that the 1st and the 2nd execution mode of the utility model relates to.
Fig. 2 is the cutaway view that is used to explain the formation of the generator that the 1st and the 2nd execution mode of the utility model relates to.
Fig. 3 is the enlarged front view of part of observing the rotary encoder of the generator that the 1st execution mode that the utility model is installed relates to from the casing outside.
Fig. 4 is an end view of observing the part of the rotary encoder that the generator that the utility model the 1st execution mode relates to is installed shown in Figure 3 from arrow A direction side.
Fig. 5 is the cutaway view along the 200-200 line of Fig. 3.
Fig. 6 is the front view of rotating member of rotary encoder of the generator that relates to of the 1st execution mode of expression the utility model.
Fig. 7 is the front view that the rotating member of rotary encoder of the generator that relates to of the 1st execution mode of expression the utility model is in released state.
Fig. 8 is the front view of sensor part of rotary encoder of the generator that relates to of the 1st and the 2nd execution mode of expression the utility model.
Fig. 9 is used to explain that the rotating member of the rotary encoder of the generator that the 1st execution mode with the utility model relates to is installed in the figure of the operation on the axle.
Figure 10 is the figure that the sensor part that is used to explain the rotary encoder of the generator that the 1st and the 2nd execution mode with the utility model relates to is installed in the operation on the bearing cap of casing.
Figure 11 is the enlarged front view of part of observing the rotary encoder of the generator that the 2nd execution mode that the utility model is installed relates to from the casing outside.
Figure 12 is the front view of rotating member of rotary encoder of the generator that relates to of the 2nd execution mode of expression the utility model.
Figure 13 is used to explain that the rotating member of the rotary encoder of the generator that the 2nd execution mode with the utility model relates to is installed in the figure of the operation on the axle.
Figure 14 is the end view that the rotating member of the rotary encoder of the generator that relates to of the 1st variation of the 1st execution mode of expression the utility model is in decomposing state.
Figure 15 is the end view that the rotating member of the rotary encoder of the generator that relates to of the 2nd variation of the 1st execution mode of expression the utility model is in decomposing state.
Figure 16 is the front view of sensor part of the rotary encoder of the generator that relates to of the 3rd variation of the 1st and the 2nd execution mode of expression the utility model.
Figure 17 is the front view of sensor part of the rotary encoder of the generator that relates to of the 4th variation of the 1st and the 2nd execution mode of expression the utility model.
Figure 18 is the amplification view of configuration relation of rotating member and sensor part of the rotary encoder of the generator that relates to of the 5th variation of the 1st and the 2nd execution mode of expression the utility model.
Symbol description
1,1a-generator (electric rotating machine); The 4-blade; 10-axle (shaft); The 11-end difference; The 11a-cascaded surface; The 20-rotor; The 30-stator; The 40-casing; 50,50a-rotary encoder (rotation test section, rotation detector); 51,53,57-rotating member; 51a, 53a-the 1st rotating member; 51b, 53b-the 2nd rotating member; 510a, 510b, 512a, 512b-flange part; 52,54,55,56-sensor part; 52a-the 1st sensor part; 52b-the 2nd sensor part; 100,100a-wind generator system.
Embodiment
Below, according to accompanying drawing, the execution mode of the utility model is described.
(the 1st execution mode)
At first, with reference to Fig. 1, the formation of the wind generator system 100 of the generator 1 that the 1st execution mode that comprises the utility model is related to describes.In addition, generator 1 is an example of the utility model " electric rotating machine ".
As shown in Figure 1, the wind generator system 100 that the 1st execution mode of the utility model relates to is made up of following content: the cabin 2 of taking in generator 1 grade with axle 10; Rotor hub 3; The blade 4 that axle 10 through rotor hub 3 and generator 1 is connected; And be installed on the pylon (upright hold post) 5 in cabin 2.In cabin 2, take in generator 1, gear box 6, shaft coupling 7, control cabinet 8 and swivel coupling 9 with axle 10.In addition, axle 10 is examples of the utility model " shaft ".
So-called gear box 6 is to be used for the device of (speedup) is amplified in the rotation of the blade 4 that transmits through rotor hub 3.So-called shaft coupling 7 is the devices that are used for the axle 10 of connection gear case 6 and generator 1.So-called control cabinet 8 is the devices that are used to control the rotation etc. of blade 4.So-called swivel coupling 9 is to be used for the device that axle 10 through generator 1 comes the control signal that transmitting control case 8 sent.In the 1st execution mode, on the axle 10 between generator 1 and the swivel coupling 9, the rotary encoder of stating after being equipped with 50.
Secondly, with reference to Fig. 2~Figure 10, the formation of the generator 1 that the 1st execution mode of the utility model is related to describes.
As shown in Figure 2, generator 1 is made up of following content: rotor 20 and stator 30 with quill shaft 10; Take in the casing 40 of rotor 20 and stator 30; And the rotary encoder 50 of the rotation of detection rotor 20.And casing 40 formations comprise bearing cap 43, and it covers the bearing 41 of bolster 10.In addition, rotor 20 is examples of the utility model " rotor ", and stator 30 is examples of the utility model " stator " simultaneously.In addition, rotary encoder 50 is that the utility model " rotation test section " reaches an example of " rotation detector ".
Be supported to and rotate through bearing 42 respectively in a pair of axis hole 41 of axle 10 on being arranged at casing 40.And axle 10 constitutes through axis hole 41 to be given prominence to the outside of casing 40.In addition, the part of the rotating member of behind the installation rotary encoder 50 of axle 10, stating 51 is provided with end difference 11 (with reference to Fig. 5).
As shown in Figure 2, rotary encoder 50 is made up of rotating member 51 and sensor part 52.As shown in Figure 3, rotating member 51 is installed as annular and surrounds axle 10 on axle 10.In addition, as shown in Figure 5, rotating member 51 is installed as the cascaded surface 11a butt with axle 10 end difference 11.In addition, rotating member 51 formations are that rotating shaft is with rotor 20 rotations with axle 10.And the outer peripheral face of rotating member 51 (with reference to the cross hatch part of Fig. 5) has carried out the magnetization processing with the magnetic chart shape of regulation.
In addition, as shown in Figure 3, sensor part 52 is configured to annular and surrounds axle 10.And like Fig. 3 and shown in Figure 4, sensor part 52 is installed in the surface of the bearing cap 43 of casing 40 with soket head cap screw 60.And as shown in Figure 5, the outer peripheral face that sensor part 52 is configured to inner circumferential surface and rotating member 51 is relative on radial direction.The inner peripheral surface of this sensor part 52 is provided with magnetic sensor 520.Magnetic sensor 520 constitutes, the variation of the magnetic chart shape of the outer peripheral face of the rotating member 51 that produces through the rotation of reading with rotor 20, thus detect the rotation of rotating member 51.
At this, in the 1st execution mode, like Fig. 6 and shown in Figure 7, rotating member 51 is formed in when forming annular, can on radial direction, separate.Particularly, rotating member 51 formations are separable is two members of the 1st rotating member 51a and the 2nd rotating member 51b.These the 1st rotating member 51a and the 2nd rotating member 51b are roughly semicircular arc respectively.
At the 1st rotating member 51a and the 2nd rotating member 51b both ends separately, be provided with the flange part 510a and the 510b that are used to combine the 1st rotating member 51a and the 2nd rotating member 51b.This flange part 510a and 510b are set at the 1st rotating member 51a and the 2nd rotating member 51b one side separately side-prominent.And as shown in Figure 9, when the 1st rotating member 51a and the 2nd rotating member 51b are installed in 10 last times of axle, flange part 510a and 510b then are formed on the bearing of trend of axle 10 outstanding.In addition, flange part 510a is provided with screw insertion hole 511a, and its internal diameter is greater than the body portion external diameter of soket head cap screw 70.And flange part 510b is provided with screwed hole 511b, is formed with internal thread on its inner face.
The 1st rotating member 51a and the 2nd rotating member 51b constitute; Use soket head cap screw 70 by screw each other through screwed hole 511b, thereby be configured to annular encirclement spools 10 through the flange part 510b of the screw insertion hole 511a of the flange part 510a of the 1st rotating member 51a and corresponding with it the 2nd rotating member 51b.In addition; In the 1st execution mode, constitute as follows; Be not installed under axle 10 the state at rotating member 51, the internal diameter R1 (with reference to Fig. 6) of the rotating member 51 that is made up of the 1st rotating member 51a and the 2nd rotating member 51b during through flange part 510a and 510b and each other by screw is less than the external diameter R2 (with reference to Fig. 9) of the part of the installation rotating member 51 of axle 10.
As shown in Figure 8, sensor part 52 is formed in when forming annular, can on radial direction, separate.Particularly, sensor part 52 formations are separable is two members of the 1st sensor part 52a and the 2nd sensor part 52b.These the 1st sensor part 52a and the 2nd sensor part 52b are roughly semicircular arc respectively.
On the 1st sensor part 52a and the 2nd sensor part 52b, be respectively arranged with two screw insertion holes that on the bearing of trend of axle 10, connect 521.In the 1st sensor part 52a and the 2nd sensor part 52b combination and be configured under the state of annular, these screw insertion holes 521 constitute in a circumferential direction with about equally angle intervals (roughly 90 degree at interval) and dispose.In addition, shown in figure 10, on the bearing cap 43 of casing 40, be provided with screwed hole 430 corresponding to the screw insertion hole 521 of the 1st sensor part 52a and the 2nd sensor part 52b.In the 1st execution mode; The 1st sensor part 52a and the 2nd sensor part 52b constitute; Through through screw insertion hole 521 and corresponding with it screwed hole 430 usefulness soket head cap screws 60 by screw in bearing cap 43, thereby it is relative to be configured to and to be installed on a rotating member 51 of spools 10.
In addition; Generally speaking, if on rotary encoder, adopt above-mentioned isolating construction, the accuracy of detection of rotary encoder then can reduce; Yet; Be used in rotary encoder, because the responsiveness of generator is lower, so and do not require so high accuracy of detection like the wind generator system of the 1st execution mode.Therefore, even the rotating member 51 and the sensor part 52 of the rotary encoder 50 of the 1st execution mode constituted as described above and can separate, can not produce special problem yet.
Secondly, with reference to Fig. 9 and Figure 10, the operation that rotary encoder 50 is installed on the generator 1 that the 1st execution mode at the utility model is related to describes.
At first, as shown in Figure 9, the rotating member 51 of rotary encoder 50 is configured to, annular is surrounded axle 10 under the state that is separated into the 1st rotating member 51a and the 2nd rotating member 51b.Then, the screwed hole 511b with the flange part 510b of screw insertion hole 511a on the flange part 510a that is arranged on the 1st rotating member 51a and corresponding with it the 2nd rotating member 51b carries out contraposition.Then, use soket head cap screw 70, the 1st rotating member 51a and the 2nd rotating member 51b are carried out screw each other.And, at this moment, make the face of the opposition side of the side that flange part 510a and 510b with the 1st rotating member 51a and the 2nd rotating member 51b given prominence to be connected to the cascaded surface 11a of the end difference 11 of axle 10.So, the rotating member 51 of rotary encoder 50 is installed on the axle 10 of generator 1.
Secondly, shown in figure 10, the sensor part 52 of rotary encoder 50 is configured to, under the state that is separated into the 1st sensor part 52a and the 2nd sensor part 52b, surround in spools 10, relative from the outer peripheral face of the outside of radial direction and rotating member 51.Then, the screwed hole 430 that is arranged on the screw insertion hole 521 on the 1st sensor part 52a and the 2nd sensor part 52b and be arranged on accordingly with it on the bearing cap 43 of casing 40 is carried out contraposition.Then, use soket head cap screw 60, with the 1st sensor part 52a and the 2nd sensor part 52b screw surface at the bearing cap 43 of casing 40.So, the sensor part 52 of rotary encoder 50 is installed in the surface of bearing cap 43 of the casing 40 of generator 1.
As stated; In the 1st execution mode; The rotary encoder 50 of detection rotor 20 rotation constituted to be included in be installed as the ring rotation member 51 that annular is surrounded axle 10 on the axle 10, simultaneously this ring rotation member 51 is constituted and be installed on axle 10 and can on radial direction, separate.Through formation like this; When changing rotary encoder 50; Ring rotation member 51 through being installed on axle 10 separates on radial direction; Thereby need not on axle 10, the mechanical structured member (for example rotor 20, stator 30 and swivel coupling 9 etc.) that is configured in rotary encoder 50 both sides to be decomposed, can the rotating member 51 of the rotary encoder that wears 50 be removed from axle 10.And; Through ring rotation member 51 is being configured under the state that separates on the radial direction on the axle 10; Simultaneously those rotating members 51 that are in released state are combined on axle 10; Thereby when changing rotary encoder 50, need not on axle 10, the mechanical structured member that is configured in rotary encoder 50 both sides to be decomposed, can the rotating member 51 of new rotary encoder 50 be installed on the axle 10.Its result can carry out the replacing of rotary encoder 50 that annular is surrounded the pattern of axle 10 easily.At this, generally speaking, aspect the wind generator system that requires long-life and high reliability 100, in the part that is used in wind generator system 100, the life-span of the rotary encoder 50 of rotor 20 rotations of detection generator 1 is shorter.In the case, in the 1st execution mode, owing to can carry out the relatively replacing of short rotary encoder 50 of life-span easily, so, can shorten the time of causing wind generator system 100 integral body to stop along with the replacing of rotary encoder 50.Thus, can improve the operation ratio of wind generator system 100 integral body.
In addition; As stated; In the 1st execution mode, ring rotation member 51 is constituted, constitute by the 1st rotating member 51a that is circular arc and the 2nd rotating member 51b that is circular arc; Simultaneously, constitute and the 1st rotating member 51a that is circular arc and the 2nd rotating member 51b that is circular arc are configured to annular surround axle 10.If so constitute, then combine, just can easily rotating member 51 be formed annular with the mode of surrounding axle 10 through the 1st rotating member 51a that will be circular arc and the 2nd rotating member 51b that is circular arc.
In addition; As stated; In the 1st execution mode, constitute; Be arranged on outstanding flange part 510a and 510b on the bearing of trend of axle 10 in the 1st rotating member 51a that is circular arc and the end separately that is the 2nd rotating member 51b of circular arc, through the 1st rotating member 51a and the 2nd rotating member 51b being carried out screw each other, surround axle 10 simultaneously thereby be configured to annular through flange part 510a and 510b.If so constitute, then through utilizing flange part 510a and 510b, just can carry out combination or the dismounting of the 1st rotating member 51a and the 2nd rotating member 51b easily.
In addition; As stated; In the 1st execution mode; Be not installed under the state of axle on 10 at rotating member 51, the internal diameter R1 (with reference to Fig. 6) of the ring rotation member 51 that is made up of the 1st rotating member 51a and the 2nd rotating member 51b when making through flange part 510a and 510b and each other by screw is less than the external diameter R2 (with reference to Fig. 9) of the part of the installation rotating member 51 of axle 10.If so constitute; Then because rotating member 51 is installed in 10 a last time; The internal diameter R1 of the rotating member 51 that is made up of the 1st rotating member 51a and the 2nd rotating member 51b can correspondingly come clamp shaft 10 through rotating member 51 than the little amount of external diameter R2 of axle 10; Therefore, can rotating member 51 be fixedly mounted on the axle 10.
In addition, as stated, in the 1st execution mode, constitute, sensor part 52 is set under the state relative with rotating member 51 annular surrounds axle 10, can on radial direction, separate simultaneously.If so constitute; Then owing to can under the state that sensor part 52 is separated, carry out the installation and removal of sensor part 52; Therefore, when changing the sensor part 52 of rotary encoder 50, needn't on axle 10, decompose the mechanical structured member that is configured in rotary encoder 50 both sides.Thus, can carry out the replacing of the sensor part 52 of rotary encoder 50 easily.
In addition; As stated; In the 1st execution mode; Sensor part 52 constituted comprise the 1st sensor part 52a that is circular arc and the 2nd sensor part 52b that is circular arc, simultaneously, constitute and the 1st sensor part 52a that is circular arc and the 2nd sensor part 52b that is circular arc are configured to annular surround axle 10.If so constitute, then combine, just can easily sensor part 52 be formed annular with the mode of surrounding axle 10 through the 1st sensor part 52a that will be circular arc and the 2nd sensor part 52b that is circular arc.
In addition, as stated, in the 1st execution mode, constitute, the casing 40 take in rotor 20 and stator 30 is set, simultaneously, through with the surface of sensor part 52 screw, thereby be configured to relative with rotating member 51 in casing 40 (bearing cap 43) outside.If so constitute, then can easily sensor part 52 be installed on casing 40 and relative with rotating member 51 with the simple structure of screw.
(the 2nd execution mode)
Secondly, with reference to Fig. 1, Fig. 2, Figure 11~Figure 13, wind generator system 100a and generator 1a that the 2nd execution mode of the utility model is related to describe.In this 2nd execution mode; With thereby through flange part 510a and 510b the 1st rotating member 51a and the 2nd rotating member 51b to be carried out screw each other different with above-mentioned the 1st execution mode that rotating member 51 is installed on axle 10; Be through with the 1st rotating member 53a and the 2nd rotating member 53b screw cascaded surface 11a, thereby rotating member 53 is installed on the axle 10 at the end difference 11 of axle 10.
As shown in Figure 1, the wind generator system 100a that the 2nd execution mode of the utility model relates to is made up of the cabin 2 of taking in generator 1a etc., rotor hub 3, blade 4, pylon (the upright post that holds) 5.And, on the axle 10 between generator 1a and the swivel coupling 9, the rotary encoder 50a that states after being equipped with.In addition, generator 1a is an example of the utility model " electric rotating machine ".In addition, rotary encoder 50a is that the utility model " rotation test section " reaches an example of " rotation detector ".
As shown in Figure 2, the generator 1a that the 2nd execution mode of the utility model relates to is made up of following content: rotor 20 and stator 30 with axle 10; Take in the casing 40 of rotor 20 and stator 30; And the rotary encoder 50a of the rotation of detection rotor 20.Shown in figure 11, rotary encoder 50a is made up of rotating member 53 and sensor part 52.This rotating member 53 be installed on the axle 10 and with cascaded surface 11a (with reference to Figure 13) butt of the end difference 11 of axle 10.
At this, shown in figure 12, in the 2nd execution mode, constitute, rotating member 53 forms annular, can on radial direction, separate simultaneously.Particularly, rotating member 53 is separable is two members of the 1st rotating member 53a and the 2nd rotating member 53b.These the 1st rotating member 53a and the 2nd rotating member 53b are semicircular arc respectively.
On the 1st rotating member 53a and the 2nd rotating member 53b, be respectively arranged with two screw insertion holes that on the bearing of trend of axle 10, connect 530.These screw insertion holes 530 constitute, and in the 1st rotating member 53a and the 2nd rotating member 53b combination and be configured under the state of annular, dispose with about equally angle intervals (the roughly interval of 90 degree) in a circumferential direction.And, shown in figure 13, on the cascaded surface 11a of the end difference 11 of axle 10, be provided with screwed hole 110 corresponding to the screw insertion hole 530 of the 1st rotating member 53a and the 2nd rotating member 53b.In the 2nd execution mode, the 1st rotating member 53a and the 2nd rotating member 53b constitute, through through screw insertion hole 530 and corresponding with it screwed hole 110 usefulness soket head cap screws 80 by screw in cascaded surface 11a, surround spools 10 thereby be configured to annular.
In addition, other formations of the 2nd execution mode are identical with above-mentioned the 1st execution mode.
Secondly, with reference to Figure 13, the operation that rotary encoder 50a is installed on the generator 1a that the 2nd execution mode at the utility model is related to describes.In addition; Because the operation that the sensor part 52 of rotary encoder 50a is installed on the bearing cap 43 of casing 40 of generator 1a is identical with above-mentioned the 1st execution mode; So, below only the rotating member 53 with rotary encoder 50a is installed in the operation of axle on 10 and describes.
At first, shown in figure 13, the rotating member 53 of rotary encoder 50a is configured to annular surrounds axle 10 under the 1st rotating member 53a and state that the 2nd rotating member 53b separates.Then, make the cascaded surface 11a butt of the end difference 11 of the 1st rotating member 53a and the 2nd rotating member 53b and axle 10.Then, the screwed hole 110 that is arranged on the screw insertion hole 530 on the 1st rotating member 53a and the 2nd rotating member 53b and be arranged on accordingly with it on the cascaded surface 11a is carried out contraposition.Afterwards, use soket head cap screw 80, with the 1st rotating member 53a and the 2nd rotating member 53b screw on cascaded surface 11a.So, the rotating member 53 of rotary encoder 50a is installed on the axle 10 of generator 1a.
As stated; In the 2nd execution mode, constitute; Installation rotating member 53 parts at axle 10 are provided with end difference 11; Simultaneously, the 1st rotating member 53a through will being circular arc and the 2nd rotating member 53b screw that is circular arc are surrounded axle 10 in the cascaded surface 11a of end difference 11 thereby be configured to annular.If so constitute, then can through with the 1st rotating member 53a and the 2nd rotating member 53b screw on axle 10, thereby rotating member 53 is installed on the axle 10 conscientiously.
In addition, other effect of the 2nd execution mode is identical with above-mentioned the 1st execution mode.
In addition, should be realized that this time disclosed execution mode all is illustrations in all respects, is not to limit.The scope of the utility model is not to represent through the explanation of above-mentioned execution mode, but representes through the scope of patented technology scheme, but also comprises and all changes in equal intention and scope of the scope of patented technology scheme.
For example, in the above-mentioned the 1st and the 2nd execution mode, though enumerated the utility model is applied in the example on the generator of wind generator system, the utility model is not limited thereto.The utility model can be applied to all electric rotating machines such as the employed generator of electricity generation system and the motor beyond the wind generator system.
In addition; In the above-mentioned the 1st and the 2nd execution mode; Though enumerated the example of following formation, can the rotating member of rotary encoder be separated into two members of the 1st rotating member and the 2nd rotating member, simultaneously; Can sensor part be separated is two members of the 1st sensor part and the 2nd sensor part, but the utility model is not limited thereto.In the utility model, both can constitute and can rotating member be separated into the member more than three, also can constitute to be the member more than three with the sensor part separation.
In addition, in the above-mentioned the 1st and the 2nd execution mode, be roughly the 1st rotating member and the next annular example that surrounds axle of the 2nd rotating member of semicircular arc though enumerated to use, the utility model is not limited thereto.In the utility model, if can annular surround axle, then the 1st rotating member and the 2nd rotating member also can be the roughly shape beyond the semicircular arc respectively.
In addition, as shown in Figure 9 in above-mentioned the 1st execution mode, though enumerated flange part 510a and 510b is set at the 1st rotating member 51a and the side-prominent example of the 2nd rotating member 51b one side separately, the utility model is not limited thereto.In the utility model, shown in the 1st variation that Figure 14 representes, also can flange part 512a and 512b be set at the 1st rotating member 51a and the 2nd rotating member 51b two sides separately side-prominent.Thus; Different with above-mentioned the 1st execution mode that utilizes 510a of pair of flanges portion and 510b to combine the 1st rotating member 51a and the 2nd rotating member 51b, can utilize two couples of flange part 512a and 512b to combine more securely the 1st rotating member 51a and the 2nd rotating member 51b.
In addition, in above-mentioned the 1st execution mode, as shown in Figure 9; Though enumerated following example; Promptly on the 1st rotating member 51a and the 2nd rotating member 51b, flange part 510a and 510b are set, simultaneously, on this flange part 510a and 510b; Be formed for combining screw insertion hole 511a and the screwed hole 511b of the 1st rotating member 51a and the 2nd rotating member 51b, but the utility model is not limited thereto.In the utility model, shown in the 2nd variation that Figure 15 representes, also can combine the screw insertion hole 513a of the 1st rotating member 51a and the 2nd rotating member 51b and screwed hole 513b to be formed directly into the 1st rotating member 51a and the 2nd rotating member 51b with being used to.
In addition, in the above-mentioned the 1st and the 2nd execution mode, though enumerated the example that is made up of sensor part two members of the 1st sensor part and the 2nd sensor part, the utility model is not limited thereto.In the utility model, shown in the 3rd and the 4th variation that Figure 16 and Figure 17 represent, also can be to constitute sensor part by a member.For example, the sensor part 54 of Figure 16 is to be roughly by one that the member of semicircular arc constitutes.In addition, the sensor part 55 of Figure 17 is to be made up of a member that is the circular arc littler than the sensor part of Figure 16 54.On these sensor part 54 and 55, be respectively arranged with two and be used for sensor part 54 and 55 is installed on the screw insertion hole 541 and 551 on the bearing cap 43 of casing 40.In addition, in the utility model, sensor part also can be the shape that is beyond the circular arc.
In addition; In the above-mentioned the 1st and the 2nd execution mode, as shown in Figure 5, though enumerated following example; Promptly the inner peripheral surface in sensor part is provided with magnetic sensor; Adopt the figure of regulation to magnetize processing the outer peripheral face of rotating member simultaneously, and be configured to make the inner peripheral surface of sensor part relative on radial direction, but the utility model is not limited thereto with the outer peripheral face of rotating member.In the utility model; Shown in the 5th variation that Figure 18 representes; Also can be on sensor part 56 and axial ends casing 40 opposition sides, magnetic sensor 520 to be set; Axial end (with reference to the cross hatch part of Figure 18) with casing 40 sides of rotating member 57 adopts the figure of regulation to magnetize processing simultaneously, and be configured to make sensor part 56 and end faces casing 40 opposition sides and rotating member 57 casing 40 sides end face axle 10 axially on relative.In addition, in the utility model, also can be configured to make the end face with the casing opposition side of end face and rotating member of casing side of sensor part relative.
In addition, in the above-mentioned the 1st and the 2nd execution mode, though enumerated sensor part is installed in the example on the bearing cap of casing, the utility model is not limited thereto.In the utility model, if non-rotary standing part, then also can sensor part be installed in the part beyond the bearing cap of casing.
In addition, in the above-mentioned the 1st and the 2nd execution mode, though enumerated rotary encoder is installed in the example between generator and the swivel coupling, the utility model is not limited thereto.In the utility model, if on axle, then rotary encoder no matter be installed in which position can.For example, also can rotary encoder be installed between generator and the shaft coupling.

Claims (10)

1. electric rotating machine possesses:
Rotor and stator with shaft;
And the rotation test section of the rotation of the said rotor of detection,
It is characterized in that,
Said rotation test section comprises:
The ring rotation member is installed as annular at said shaft and surrounds said shaft, is that rotating shaft is rotated with said rotor with said shaft;
And sensor part, detect the rotation of said rotating member,
Said ring rotation member is installed on said shaft and can on radial direction, separates.
2. electric rotating machine according to claim 1 is characterized in that,
Said ring rotation member comprises the 1st rotating member that is circular arc and the 2nd rotating member that is circular arc,
Said the 1st rotating member and said the 2nd rotating member that is circular arc that is circular arc is configured to the said shaft of annular encirclement.
3. electric rotating machine according to claim 2 is characterized in that,
In said the 1st rotating member and the said end separately that is the 2nd rotating member of circular arc that is circular arc, be provided with flange part outstanding on the bearing of trend of said shaft,
Said the 1st rotating member and said the 2nd rotating member surround said shaft through through said flange part and each other by screw thereby be configured to annular.
4. electric rotating machine according to claim 3 is characterized in that,
Be not installed at said rotating member under the state of said shaft, the internal diameter of the said ring rotation member that is made up of said the 1st rotating member and said the 2nd rotating member during through said flange part and each other by screw is less than the external diameter of the part of the said rotating member of installation of said shaft.
5. electric rotating machine according to claim 2 is characterized in that,
Part at the said rotating member of installation of said shaft is provided with end difference,
Said the 1st rotating member and said the 2nd rotating member that is circular arc that is circular arc passes through by the cascaded surface of screw at said end difference, surrounds said shaft thereby be configured to annular.
6. according to any described electric rotating machine in the claim 1~5, it is characterized in that,
Said sensor part constitutes, and is set to the said shaft of annular encirclement under the state relative with said rotating member, can on radial direction, separate simultaneously.
7. electric rotating machine according to claim 6 is characterized in that,
Said sensor part comprises the 1st sensor part that is circular arc and the 2nd sensor part that is circular arc,
Said the 1st sensor part and said the 2nd sensor part that is circular arc that is circular arc is configured to the said shaft of annular encirclement.
8. according to any described electric rotating machine in the claim 1~7, it is characterized in that,
Also possess the casing of taking in said rotor and said stator,
Said sensor part is passed through by the surface of screw in the said casing outside, thereby is configured to relative with said rotating member.
9. wind generator system possesses:
Electric rotating machine comprises the rotation test section of the rotation of rotor with shaft and stator and the said rotor of detection;
And blade, with the said shaft binding of said electric rotating machine,
It is characterized in that,
Said rotation test section has:
The ring rotation member is installed as annular at said shaft and surrounds said shaft, is that rotating shaft is rotated with said rotor with said shaft;
And sensor part, detect the rotation of said rotating member,
Said ring rotation member is installed on said shaft and can on radial direction, separates.
10. rotation detector that is used in electric rotating machine, it is the rotation detector that is used in the electric rotating machine that possesses rotor with shaft and stator, it is characterized in that possessing:
The ring rotation member is installed as the said shaft that annular is surrounded said electric rotating machine at said shaft, is that rotating shaft is rotated with said rotor with said shaft;
And sensor part, detect the rotation of said rotating member,
Said ring rotation member is installed on said shaft and can on radial direction, separates.
CN2011203397005U 2010-10-07 2011-09-09 Rotary motor, wind power generation system and rotation detector used for rotary motor Expired - Fee Related CN202221955U (en)

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Publication number Priority date Publication date Assignee Title
CN102447368A (en) * 2010-10-07 2012-05-09 株式会社安川电机 Rotating motor, wind power generation system and rotation detector for rotating motor

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