CN2847229Y - Detector for switch magnetoresistance motor rotor position - Google Patents
Detector for switch magnetoresistance motor rotor position Download PDFInfo
- Publication number
- CN2847229Y CN2847229Y CN 200520088140 CN200520088140U CN2847229Y CN 2847229 Y CN2847229 Y CN 2847229Y CN 200520088140 CN200520088140 CN 200520088140 CN 200520088140 U CN200520088140 U CN 200520088140U CN 2847229 Y CN2847229 Y CN 2847229Y
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- mounting disc
- pick
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- motor
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Abstract
The utility model relates to a position detection device for a switched reluctance motor rotor, which belongs to the field of switched reluctance motors, and comprises a position detection circuit board, a coding fluted disc and a mounting disc. The utility model is characterized in that a circular hoop (2) is shrunk on a motor shaft (5), the coding fluted disc (3) which has outgoing teeth is installed on the circular hoop (2), and the position detection circuit board (6) is installed in the mountitng disc (4) which is fixed on an end cover (1) of non output end of a motor. The utility model has the advantages that the problem of positioning rotors needs not for consideration during the process of producing the motors, the manufacturing technique is simplified, the rotors can be positioned conveniently and flexibly, the output of positional coding can be regulated according to the requirements of different controllers, etc.
Description
Technical field
The utility model relates to the pick-up unit of a kind of switched reluctance machines (SRM) rotor-position, belongs to the switched reluctance machines field.
Background technology
Switched reluctance machines is stator, rotor biconvex utmost point variable reluctance motor, and stator, rotor form by silicon steel plate stacking, are wound with concentrated winding on the stator poles, have not both had winding on the rotor and have not also had permanent magnet.This motor can be designed to multiple different phase table structure, and the number of poles of stator, rotor also can have multiple different collocation.That this motor has is simple in structure, dependable performance, starting current are little, and detent torque is big, speed-regulating range width and efficient advantages of higher.
For the operation of gauge tap reluctance motor, controller need be known the positional information of rotor, and this information can be gathered by position-detection sensor, changes position signalling into electric impulse signal and gives controller.Position-detection sensor need be installed on the printed circuit board (PCB), and arranges by certain angle on the circumference that with the electrical axis is the center of circle.During rotor rotation, the coding fluted disc rotates in the groove of each sensor and produces encoded position signal, and sends controller to, and controller is according to the energising and the outage of this each phase winding of position signalling control motor, thus the operation of gauge tap reluctance motor.
The rotor position detection mode of the present employed position-based sensor of switched reluctance machines is that the position detecting circuit plate is installed in by pillar on the end cap of the non-end of exerting oneself of motor, and design has the arc screw hole on the circuit board, can finely tune on circumference.The coding fluted disc is installed on the motor shaft, the relative position of fluted disc and rotor teeth groove must be determined in process of production, the requirement of compiling in collaboration with sign indicating number with the position encoded basic symbols that guarantee to produce is at last again by finely tuning circuit board, to obtain more accurate encoded position signal.The problem that this locator meams exists is, must adopt certain process means to guarantee the accuracy of the relative position of coding fluted disc and rotor teeth groove in the production run of motor, cause complex manufacturing, the rotor positioning step is many, precision is difficult to guarantee, and is not easy to safeguard.Simultaneously because the output of rotor-position coding can't regulated at will, make adopt the diverse location coded signal controller can't with the motor compatibility.
The utility model content
The technical problems to be solved in the utility model is: overcome the prior art switched reluctance machines because the complex manufacturing that rotor position detection causes, the rotor location is inconvenient, install loaded down with trivial details, be not easy to shortcomings such as maintenance and poor compatibility, design a kind of motor that makes and to consider the rotor orientation problem in process of production, simplify production technology, locate convenient, flexible
Can adjust the pick-up unit of the switch reluctance machine rotor position of position encoded output according to the requirement of different controllers.
The technical scheme that its technical matters that solves the utility model adopts is: the pick-up unit of switch reluctance machine rotor position is made up of position detecting circuit plate, coding fluted disc, mounting disc, the circular boop hot jacket is on axle, fluted disc is installed on the circular boop, outside the teeth directional, the position detecting circuit plate is installed in the mounting disc, mounting disc is fixed on the non-end cap of holding of exerting oneself of motor, carries out the rotor location by rotating mounting disc.
Have the arc mounting groove in the mounting disc.
Position transducer is according to the requirement of the number of poles and the coding of rotor, and being distributed in the electrical axis by certain angle is on the circumference in the center of circle, and is welded on the circuit board.
The center of position transducer all is positioned on the circumference of coding fluted disc.
Mounting disc has the deep-slotted chip breaker that 3 fixed screws are used on its circumference, arrange in the circumferential position equal intervals, and the angle of deep-slotted chip breaker can be determined according to the angular separation of position transducer.
The arrangement angle of position transducer is 15 degree, and then deep-slotted chip breaker will reach 60 degree.
This mounting disc has seam, and the non-end end cap of exerting oneself of motor is provided with the seam that is mated.
Adopt this position detecting device, in the production run of motor, need not increase special technology, only need to regulate mounting disc, just exportable controller desired position coding after assembling is finished.The position detecting circuit plate is owing to be contained in the mounting disc, installs, dismounting is all very convenient, is convenient to field maintemance.
Compared with prior art the invention has the beneficial effects as follows:
A. in the production run of motor, need not consider the relative position of rotor and coding fluted disc, simplify production technology;
B. the location is simple, and is easy to adjust, can satisfy different controllers to position encoded requirement;
When c. position probing adopted photoelectric sensor, the coding fluted disc adopted engineering plastics injection molded, can improve the accuracy of detection of rotor-position, and simplified production technology;
D. the location circuit plate is installed in the mounting disc, sealing and maintainable good, and installation, adjustment and dismounting are all more convenient.
Description of drawings
Fig. 1: the detection assembling synoptic diagram of switch reluctance machine rotor position;
Fig. 2: the scheme of installation of position detecting circuit plate;
Fig. 3: the synoptic diagram of position detecting circuit plate;
Fig. 4: the synoptic diagram of mounting disc;
Fig. 5: the synoptic diagram of the non-end end cap of exerting oneself of motor;
Fig. 6: the synoptic diagram of coding fluted disc;
Fig. 7: the synoptic diagram of circular boop.
Among the figure: groove 11 seams 12 motor axis holes 13 mounting discs dismounting screw hole 14 location circuit plate mounting holes 15 connector holes 16 mounting disc fixed orifices, 17 seams, 18 19 mounting holes are adjusted in 1 non-end end cap 2 circular boops 3 coding fluted discs 4 mounting discs 5 motor shafts 6 position detecting circuit plates 7 position transducers 8 mounting holes 9 deep-slotted chip breakers 10 mounting discs of exerting oneself
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: shown in Fig. 1-7: the pick-up unit step of switch reluctance machine rotor position that a playscript with stage directions utility model is installed is as follows:
1, position detecting circuit plate 6 is installed in the mounting disc 4, and line is caused socket;
2, with circular boop 2 hot jackets to axle 5;
3, the fluted disc 3 of will encoding is installed on the circular boop 2;
4, mounting disc 4 is installed on the non-end end cap 1 of exerting oneself of motor;
5,, regulate mounting disc 4 to correct position, and mounting disc 4 is fixed according to the requirement of controller.
As shown in Figure 2, position detecting circuit plate 6 is fixed in the mounting disc 4 by screw, and position detecting circuit plate 6 needs to prop up by 4 pillars, to guarantee position detecting circuit plate 6 and mounting disc 4 good insulation performance performances.
As shown in Figure 3, position transducer 7 is according to the requirement of the number of poles and the coding of rotor, being distributed in the electrical axis by certain angle is on the circumference in the center of circle, and be welded on the position testing circuit plate 6, the size of 4 mounting holes 8 only needs to determine according to the size of screw, does not need open arc shape screw hole, in the time of can guaranteeing like this in position transducer 7 is installed in mounting disc 4, the center of position transducer 7 all is positioned on the circumference of coding fluted disc 3, has reduced angular error.
As shown in Figure 4, have the deep-slotted chip breaker 9 that 3 fixed screws are used on mounting disc 4 its circumference, arrange in the circumferential position equal intervals, the angle of deep-slotted chip breaker 9 can be determined according to the angular separation of position transducer 7, it as stator, rotor number of poles 12/8 motor, the arrangement angle of position transducer 7 is 15 degree, and then deep-slotted chip breaker 9 will reach 60 degree, and it is all position encoded to guarantee that mounting disc 4 can produce in slewing area.This mounting disc 4 has seam 11.
As shown in Figure 5, motor is non-, and the end end cap 1 of exerting oneself is provided with the seam 17 that matches with seam 11, can guarantee that mounting disc 4 only moves on circumference when adjusting.Leave very little gap between mounting disc 4 and the motor shaft 5, can guarantee good seal in the mounting disc 4.If adopt photoelectric sensor, also can guarantee its reliably working.Have 4 location circuit plate mounting holes 14 in the mounting disc 4, be used for installation site testing circuit plate 6.Also have an installation site testing circuit plate 6 in addition in the mounting disc 4 and be connected the mounting hole 15 of the connector of usefulness with controller, generally can adopt the aviation socket, good airproof performance connects reliable.For the ease of the adjustment of mounting disc in when location, on circumference, open 3 mounting discs and adjust grooves 10, can make its rotation by knocking, even motor is being adorned fan and also can be carried out the adjustment of position like this.Also have 3 mounting disc dismounting screw holes 13 in addition, remove and install dish and can by this screw hole it be ejected with screw in 4 o'clock, solve mounting disc 4 and contact the problem that tension should not be dismantled with the non-end end cap 1 of exerting oneself of motor.This mounting disc 4 can be adopted engineering plastics, alleviating the weight of motor, and saves cost.
As shown in Figure 7, on the non-distolateral motor shaft 5 of exerting oneself of motor, the circular boop 2 that hot jacket is has above it required screw hole 19 of coding fluted disc 3 is installed.Coding fluted disc 3 is fixed on the circular boop 2 by screw, and tooth points to the motor outside, and coding fluted disc 3 rotates in position transducer 7 during rotor rotation, produces encoded position signal.Adopt this mounting means, can change different coding fluted discs 3 easily according to the different needs of control.When position probing adopted photoelectric sensor, coding fluted disc 3 can adopt engineering plastics injection molded, to guarantee the consistance of the teeth groove distribution number of degrees, improved the precision of rotor position detection.
Non-end end cap 1 concrete mechanical dimension and the installation site of exerting oneself of mounting disc 4, location circuit plate 6, circular boop 2, coding fluted disc 3 and motor needs to design according to different motors, different requirements, with accuracy and the reliability that guarantees that rotor-position is gathered.
Claims (7)
1. the pick-up unit of a switch reluctance machine rotor position, comprise position detecting circuit plate, coding fluted disc, mounting disc, it is characterized in that: circular boop (2) hot jacket is on motor shaft (5), coding fluted disc (3) is installed on the circular boop (2), outside the teeth directional, position detecting circuit plate (6) is installed in the mounting disc (4), and mounting disc (4) is fixed on the non-end cap of holding (1) of exerting oneself of motor.
2. the pick-up unit of switch reluctance machine rotor according to claim 1 position is characterized in that: have arc mounting groove (9) in the mounting disc (4).
3, the pick-up unit of switch reluctance machine rotor according to claim 1 position, it is characterized in that: position transducer (7) is according to the requirement of the number of poles and the coding of rotor, being distributed in the electrical axis by certain angle is on the circumference in the center of circle, and is welded on the circuit board (6).
4, the pick-up unit of switch reluctance machine rotor according to claim 1 position is characterized in that: the center of position transducer (7) all is positioned on the circumference of coding fluted disc (3).
5, the pick-up unit of switch reluctance machine rotor according to claim 1 position, it is characterized in that: have the deep-slotted chip breaker (9) that 3 fixed screws are used on its circumference of mounting disc (4), arrange in the circumferential position equal intervals, the angle of deep-slotted chip breaker (9) is determined according to the angular separation of position transducer (7).
6, the pick-up unit of switch reluctance machine rotor according to claim 5 position is characterized in that: the arrangement angle of position transducer (7) is 15 degree, and deep-slotted chip breaker (9) will reach 60 degree.
7, the pick-up unit of switch reluctance machine rotor according to claim 6 position, it is characterized in that: this mounting disc (4) has seam (11), and the non-end end cap (1) of exerting oneself of motor is provided with the seam (17) that is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088140 CN2847229Y (en) | 2005-10-17 | 2005-10-17 | Detector for switch magnetoresistance motor rotor position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088140 CN2847229Y (en) | 2005-10-17 | 2005-10-17 | Detector for switch magnetoresistance motor rotor position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2847229Y true CN2847229Y (en) | 2006-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088140 Expired - Fee Related CN2847229Y (en) | 2005-10-17 | 2005-10-17 | Detector for switch magnetoresistance motor rotor position |
Country Status (1)
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| CN (1) | CN2847229Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958627A (en) * | 2009-07-20 | 2011-01-26 | 冯鲁民 | Photoelectric non-computer-controlled switched reluctance motor |
| WO2011009401A1 (en) * | 2009-07-20 | 2011-01-27 | 北京安泽迅网络技术有限公司 | Non-computer-controlled switched reluctance motor |
| CN102148599A (en) * | 2010-12-22 | 2011-08-10 | 大连理工大学 | Angle position detector of switched reluctance motor and detection method |
| CN104734583A (en) * | 2015-03-20 | 2015-06-24 | 袁琳 | Rotor position detection device of switch reluctance motor and positioning control method of rotor |
| WO2020088124A1 (en) * | 2018-10-31 | 2020-05-07 | 天津友创宝科技有限公司 | Box meal vending machine |
-
2005
- 2005-10-17 CN CN 200520088140 patent/CN2847229Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958627A (en) * | 2009-07-20 | 2011-01-26 | 冯鲁民 | Photoelectric non-computer-controlled switched reluctance motor |
| WO2011009401A1 (en) * | 2009-07-20 | 2011-01-27 | 北京安泽迅网络技术有限公司 | Non-computer-controlled switched reluctance motor |
| CN102148599A (en) * | 2010-12-22 | 2011-08-10 | 大连理工大学 | Angle position detector of switched reluctance motor and detection method |
| CN104734583A (en) * | 2015-03-20 | 2015-06-24 | 袁琳 | Rotor position detection device of switch reluctance motor and positioning control method of rotor |
| WO2020088124A1 (en) * | 2018-10-31 | 2020-05-07 | 天津友创宝科技有限公司 | Box meal vending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG KEHUI POWER AUTOMATION CO., LTD. Free format text: FORMER OWNER: SHANDONG KEHUI ELECTRIC CO., LTD. Effective date: 20100325 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 255087 SANYING ROAD, NORTH FIRST OF SHIJI ROAD, ZHANGDIAN DISTRICT, ZIBO CITY, SHANDONG PROVINCE TO: 255087 NO.16, SANYING ROAD, FANG TOWN,ZHANGDIAN DISTRICT,, ZIBO CITY, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100325 Address after: 255087 Shandong Province, Zibo city Zhangdian District Fang Zhen win Road No. 16 Patentee after: Shandong Kehui Electric Co., Ltd. Address before: 255087 Shandong Province, Zibo city Zhangdian District in the first northbound road win Patentee before: Shandong Kehui Electric Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20131017 |