CN1271776C - Switching reluctance motor - Google Patents
Switching reluctance motor Download PDFInfo
- Publication number
- CN1271776C CN1271776C CN 01132571 CN01132571A CN1271776C CN 1271776 C CN1271776 C CN 1271776C CN 01132571 CN01132571 CN 01132571 CN 01132571 A CN01132571 A CN 01132571A CN 1271776 C CN1271776 C CN 1271776C
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- China
- Prior art keywords
- rotor
- electric drive
- fixed
- drive axle
- axle
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Abstract
The present invention relates to a switch reluctance motor which has simple structure and working procedure. The switch reluctance motor of the present invention comprises an electric shaft and a rotor fixed to the electric shaft. A position detection component for detecting the position of the rotor is integrally arranged in the rotor and fixed to the shaft.
Description
Technical field
The present invention relates to a kind of switched reluctance machines, particularly, relate to the electric drive axle and the structure that is pressed into the rotor of described electric drive axle of switched reluctance machines.
Background technology
Fig. 1 is the critical piece electric drive axle of expression switched reluctance machines (Switched Reluctance Motor is called the SR motor below) and the figure of the structure of rotor, with reference to the structure of Brief Description Of Drawings SR motor.
As shown in the figure, the rotor 13 that metal material is constituted is pressed into electric drive axle 11.The retainer ring 15 of a contacts side surfaces of setting and rotor 13 on electric drive axle 11 is provided with the another side position contacting check-out console 17 with retainer ring 15 on axle 11.
Here, described retainer ring 15 determines the position that is provided with of position check-out consoles 17, and position probing plate 17 uses a plurality of groove 17a that form on the outer peripheral face of himself to come the position of detection rotor 13 with respect to stator.In addition, in the both sides of electric drive axle 11 bearing 19 of supporting described electric drive axle 11 is set, bearing 19 is located by ' C ' type ring 21 that is pressed into electric drive axle 11.
In described prior motor structure, component parts such as rotor 13, retainer ring 15, position probing plate 17 and ' C ' type ring 21 all are fixed on the described electric drive axle 11.But, because each parts is fixed on the electric drive axle 11 with diverse ways, so exist the shortcoming of manufacturing process's complexity, cost rising.
In addition, because described rotor 13 and position probing plate 17 are separately fixed on the described electric drive axle 11, so there is different play separately in they.Therefore, even rotor 13 and position probing plate 17 accurately are fixed on the desired location, when described electric drive axle 11 rotated, small relative rotation also can take place because of the relative described electric drive axle 11 of described play with position probing plate 17 in described rotor 13.This relative rotation amount, different because of described rotor and position probing plate 17 play amount separately, the result is difficult to detect exactly the position of rotor 12 by position probing plate 17.
In addition, in order to detect the position of described rotor 13, on the outer peripheral face of position check-out console 17, be formed with a plurality of groove 17a with predetermined distance.But its shortcoming is to be difficult to form at interval in accordance with regulations exactly groove 17a at the check-out console 17 of thin position textural.
Summary of the invention
In order to solve above-mentioned prior art problems, the object of the present invention is to provide a kind of switched reluctance machines with simpler structure and manufacturing process.
To achieve these goals, switched reluctance machines of the present invention comprises electric drive axle and the rotor that is fixed on the described electric drive axle, and the position detection component that detects described rotor-position is installed on the described rotor integratedly, is fixed on the described axle.
More particularly, described position detection component comprises: breakthrough form is formed in the breakthrough part of described epitrochanterian through hole; Be formed at respectively on the both ends of described breakthrough part and contact and be fixed on described axle with the two sides of described rotor and go up, on fixed part that is formed with a plurality of otch on the outer peripheral face with predetermined distance and two side ends, prolong the location division that forms, carries out the location that bearing is provided with at described fixed part.
In addition, in described location division, best described location division also comprises and the corresponding protuberance with step of described bearing side view.
According to the present invention, the formation and the manufacturing process of described switched reluctance machines are simple, can reduce manufacturing cost thus, boost productivity.Simultaneously, by described incorporate position detection component, can accurately detect the position of described rotor, the reliability of motor action has also strengthened.
Description of drawings
Fig. 1 is the electric drive axle of the existing switched reluctance machines of expression and the figure of rotor configuration;
Fig. 2 is the electric drive axle of switched reluctance machines of the expression embodiment of the invention 1 and the figure of rotor configuration;
Fig. 3 is the electric drive axle of switched reluctance machines of expression the present invention other embodiment and the figure of rotor configuration.
Embodiment
Further describe the present invention with reference to the accompanying drawings.
In the explanation present embodiment, use same names and same-sign for identical formation, and omit its supplemental instruction in the back.
Fig. 2 is the electric drive axle of switched reluctance machines of expression one embodiment of the present of invention and the skeleton diagram of rotor.
As shown in Figure 2, motor 50 has the electric drive axle 51 that the transmission of power that will take place arrives connected other portion of mechanism, and it connects motor self along its length and installs.Fixing the rotor 53 of the metal material formation with magnetic in the central portion crimping of described electric drive axle 51, stator mutually adjoiningly is installed on the described motor 50 with the outer peripheral face of rotor 53.When to described stator galvanization, since the effect of described stator and rotor 53, rotor 53 rotations, and make electric drive axle 51 rotations.
Be formed with a plurality of through hole 53a on the rotor 53 of present embodiment, on described electric drive axle 51, the position detection component 60 that utilizes through hole 53a that the position of detection rotor 53 is used forms in couples with described rotor 53.
Described position detection component 60 comprises: the breakthrough part 61 that connects through hole 53a; Be formed at breakthrough part 61 both ends and with the two sides of rotor 53 contact and be fixed on axle on 51 fixed part 63 and prolong from the two ends of described fixed part 63 and the location division that the position is set 65 that forms, determine bearing 55.
Form a plurality of otch 63a with predetermined distance on the outer peripheral face of described fixed part 63, the position of sensor otch 63a is with the position of detection rotor 53.In motor of the present invention, because described position detection component 60 and rotor 53 are fixed on the axle 51, so position detection component 60 also together rotates with rotor 53 integratedly.Therefore, the position of the rotor 53 that detects by position detection component 60 is correct.In addition, bearing 55 is arranged on the both ends of axle 51 in contact with the end face of location division 65, but bolster 51 is rotated swimmingly.
The following describes the associated methods that rotor 53 and position detection component 60 are combined of present embodiment.
After the rotor 53 that will be formed with through hole 53a is pressed into axle 51, put into the metal pattern (not shown) of regulation shape.Afterwards, injecting synthetic resin in described metal pattern, with when rotor 53 combines in couples, pressure injection shaping position detection part 60 on axle 51.
Fig. 3 is the axle of SR motor of expression the present invention other embodiment and the skeleton diagram of rotor configuration.The formation of the described other embodiments of the invention embodiment with Fig. 2 of described explanation basically is identical, so only its difference is illustrated.
In the embodiment of described Fig. 3, on the both side ends of described position detection component 60, be formed with protuberance 65a.Here, described protuberance 65a comes down to that side view with bearing 55 forms accordingly, therefore, is supporting described bearing 55 securely.
As mentioned above, SR motor of the present invention be shaped by pressure injection and with rotor 53 production location detection part 60 in couples, production process is simple.Therefore, cost reduces.
Even owing to relative rotation takes place in play, because the relative rotation amount of described rotor 53 and position detection component 60 is identical, so the position of the rotor 53 that detects by position detection component 60 is correct.Therefore, improved the reliability of motor.
Though more than a most preferred embodiment of the present invention is illustrated, can carry out various distortion or change according to technical conceive of the present invention.In addition, being not limited to the foregoing description, also can be various distortion.
Claims (2)
1. a switched reluctance machines comprises electric drive axle and the rotor that is fixed on the described electric drive axle, and it is characterized in that: the position detection component that will detect the position of described rotor is wholely set on described rotor, be fixed on the described axle,
Wherein, described position detection component comprises:
Breakthrough form is formed in the breakthrough part of described epitrochanterian through hole;
Be formed at described breakthrough part both ends respectively and with the two sides of described rotor contact and be fixed on described axle go up, on outer peripheral face with predetermined distance form a plurality of otch fixed part and
On the two side ends of described fixed part, prolong the location division of the location that forms, carries out the bearing setting.
2. according to the switched reluctance machines of claim 1, it is characterized in that: described location division also comprises the protuberance with step corresponding to described bearing side view.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01132571 CN1271776C (en) | 2001-07-20 | 2001-07-20 | Switching reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01132571 CN1271776C (en) | 2001-07-20 | 2001-07-20 | Switching reluctance motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1399398A CN1399398A (en) | 2003-02-26 |
| CN1271776C true CN1271776C (en) | 2006-08-23 |
Family
ID=4671479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01132571 Expired - Fee Related CN1271776C (en) | 2001-07-20 | 2001-07-20 | Switching reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1271776C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130035680A (en) * | 2011-09-30 | 2013-04-09 | 삼성전기주식회사 | Switched reluctance motor |
| CN102842991B (en) * | 2012-09-07 | 2014-07-09 | 徐勤新 | Multi- magnitude time lead and delay phase exchange absolute value position sensor |
-
2001
- 2001-07-20 CN CN 01132571 patent/CN1271776C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1399398A (en) | 2003-02-26 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 |