CN101771377B - Realizing circuit of sensor of high-reliability switch reluctance motor - Google Patents
Realizing circuit of sensor of high-reliability switch reluctance motor Download PDFInfo
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- CN101771377B CN101771377B CN2008102466373A CN200810246637A CN101771377B CN 101771377 B CN101771377 B CN 101771377B CN 2008102466373 A CN2008102466373 A CN 2008102466373A CN 200810246637 A CN200810246637 A CN 200810246637A CN 101771377 B CN101771377 B CN 101771377B
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- 238000007493 shaping process Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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Abstract
The invention discloses a realizing circuit of a sensor of a high-reliability switch reluctance motor, comprising a power input filtering and protecting circuit, a Hall element, an amplifying and shaping circuit, a position indicating circuit and a signal output and protecting circuit with the functions: the power input filtering and protecting circuit can enhance power supply quality and prevent damaging the sensor due to external connection errors and short circuit; the Hall element is used for detecting the change of rotor positions, rotating speeds and rotating directions of a current switch reluctance motor, output positions and signals of the rotating speeds and the rotating directions; the amplifying and shaping circuit can enhance the quality of detecting signals for avoiding signal disturbance; the position indicating circuit is used for indicating the change of the rotor positions, the rotating speeds and the rotating directions of the current switch reluctance motor and indirectly reflecting the fault of the Hall element simultaneously; and the signal output and protecting circuit is used for enhancing the quality of output signals and avoiding disturbance, incorrect connection and short circuit. The five parts mutually cooperate for finishing the functions of detection of the motor positions, the rotating speeds and the rotating directions, signal transmission, protection of the short circuit, anti-electromagnetic interference and the like.
Description
Technical field
The present invention relates to a kind of position and speed probe circuit of sense switch reluctance motor, specifically, relate to a kind of position of high reliability sense switch reluctance motor and rotating speed transducer realize circuit.
Background technology
Switched Reluctance Motor has been widely used in the various fields such as Industry Control, Aero-Space, household electrical appliance, electric motor car as a kind of good governing system.It has the characteristics such as simple in structure, low-cost, high efficiency, speed adjusting performance be good.Electromechanical transducer be must depend on during switched reluctance machines work and motor rotor position and rotation speed change detected.Use at present usually the photoelectric type electromechanical transducer when being applied to the adverse circumstances situation such as some high dust greasy dirts such as mining machinery, machine tooling, often can contaminated obstruction or lost efficacy aging so that affected Electric Machine Control and use.Therefore solve the switched reluctance machines transducer at high dust, high greasy dirt, the inefficacy problem of aging of corrosion and the adverse circumstances situations such as moist is arranged, will greatly expand the range of application of switching magnetic-resistance, effectively improve the reliability of switched reluctance machines.
Summary of the invention
A kind of sensor of high-reliability switch reluctance motor that the present invention designs in order to solve the problems of the technologies described above just, purpose are to improve the reliability that switched reluctance machines is used in the adverse circumstances such as high dust, high greasy dirt, burn into humidity.The structure of having introduced a kind of sensor of high-reliability switch reluctance motor based on magnetic coded disc and hall device in utility model patent " sensor of high-reliability switch reluctance motor " realizes, this patent is exactly on this basis the circuit of realizing of transducer to be further elaborated.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of sensor of high-reliability switch reluctance motor realize circuit, circuit comprises input power filtering and protective circuit, Hall element, amplification and rectification circuit, position indicating circuit and signal output and five parts of protective circuit, wherein power supply is given Hall element after input power filtering and protective circuit, the variation that Hall element detects current switched reluctance machines institute rotor-position, rotating speed, turns to, output corresponding signal; Signal is given position indicating circuit and signal output and protective circuit after amplification and shaping circuit amplification shaping; Signal output and protective circuit can improve quality of output signals, prevent interference and misconnection and short circuit.
The power filter of realizing circuit of described sensor of high-reliability switch reluctance motor and protective circuit consist of: the externally fed power supply is respectively hall device power supply is provided through input protection and filter circuit.Input protection circuit is made of overcurrent protection and incorrect polarity protection device; Filter circuit can be made of filtering devices such as capacitor and inductors.The power supply input protection circuit can be protected the damage of the internal circuit that causes due to outside line short circuit and misconnection and improve the antijamming capability of circuit.
Its position indicating circuit of circuit that realizes of described sensor of high-reliability switch reluctance motor consists of: the rotor-position rotating speed of the Sensitive Apparatus sense switch reluctance motors such as use Hall, the variation that turns to; The indicating circuit that detection signal consists of by luminescent device indicates motor rotor position and change information thereof, and indicating circuit also can reflect the fault message of Hall element indirectly simultaneously.
The Hall element of realizing circuit of described sensor of high-reliability switch reluctance motor; amplification and rectification circuit and output protection circuit consist of: testing circuit is exported to indicating circuit and amplification and shaping circuit simultaneously with positional information, then through output protection circuit to accepting circuit.Amplification and shaping circuit can adopt transistor also can use other similar device formations such as integrated transporting discharging; Output protection circuit is made of short-circuit protection device and unidirectional processing apparatus.Output protection circuit has been protected the damage of the internal circuit that causes due to outside line misconnection and short circuit, improves quality of output signals, prevents external disturbance.
Transducer realizes that the function of five parts of circuit is respectively: 1, power supply input filter and protective circuit function are to improve power supply quality, prevent from causing damage to transducer because of external cabling mistake and line short.2, the Hall element function is detection current switch magnetoresistance motor rotor position, rotating speed, turns to variation.The outgoing position signal.3, amplification and shaping circuit function are to improve the quality of detection signal, prevent interference signal.4, the position indicating circuit function is to indicate current switch magnetoresistance motor rotor position, rotating speed, turn to variation, also can indirectly reflect the fault of Hall element simultaneously.5, signal output and protective circuit function are to improve quality of output signals, prevent interference and misconnection and short circuit.Five parts mutually cooperate and have completed the detection of motor rotor position and rotation speed change, signal transmission, short-circuit protection, the functions such as anti-electromagnetic interference.
The invention has the beneficial effects as follows: the characteristics such as it is high that sensor of high-reliability switch reluctance motor of the present invention realizes that circuit application has reliability in sensor of high-reliability switch reluctance motor, and position detection accuracy is high, and circuit is simple.Coordinate structure realization character in utility model patent " sensor of high-reliability switch reluctance motor ", switched reluctance machines is very being worked under rugged environment, expand the range of application of switched reluctance machines, the pass reluctance motor can be adapted under the industrial and mineral of high dust, high greasy dirt and cargo sweat environment.
Description of drawings
Fig. 1 is the functional block diagram of realizing circuit of sensor of high-reliability switch reluctance motor of the present invention.
Fig. 2 is the circuit theory diagrams of realizing that the present invention uses the threephase switch reluctance motor.
Embodiment
The present invention is further described below in conjunction with the embodiment of accompanying drawing 1 functional block diagram and a threephase switch reluctance motor of Fig. 2.
As shown in Figure 2; that a kind of circuit of realizing that is applied to the sensor of high-reliability switch reluctance motor of threephase switch reluctance motor comprises input power filtering and protective circuit; Hall element amplifies and shaping circuit, position indicating circuit and signal output and five parts of protective circuit.
The filtering of transducer input power and protective circuit can be protected the damage of the internal circuit that causes due to outside line short circuit and misconnection and improve the antijamming capability of circuit.The enforcement of this example is to consist of short-circuit protection by PTC device V1, consists of the input polar protective circuit by diode D1, forms filter circuit by capacitor C 1, C2.
The sensing station indicating circuit is after hall device detects current Stators for Switched Reluctance Motors position and rotation speed change, and corresponding sensing station indicating circuit just can indicate the change in location information that transducer detects.Indicating circuit also can reflect the fault message of Hall element indirectly simultaneously.The enforcement of this example is by resistance R 11 and light-emitting diode DY1, resistance R 12 and light-emitting diode DY2, and resistance R 13 and light-emitting diode DY3 consist of respectively indicating circuit.
Sensor detection circuit is exported to indicating circuit and amplification and shaping circuit with motor rotor position and velocity information detection.The function of amplification and shaping circuit is to improve the quality of detection signal, prevents interference signal.The present embodiment detects motor position and rate signal with three hall device HR1, HR2 and HR3, consists of with integrated circuit U1 and amplifies and shaping circuit.
The transducer output protection circuit has been protected the damage of the internal circuit that causes due to outside line misconnection and short circuit, improves quality of output signals, prevents external disturbance.This routine implementing circuit consists of external short circuit by PTC device V3, V4, V5, consists of the misconnection protection by diode D2, D3 and D4.
Five parts mutually cooperate and have completed the detection of motor position, signal transmission, short-circuit protection, the functions such as anti-electromagnetic interference.
Its annexation is that power supply is inputted after diode D1, PTC overcurrent protection and filter capacitor C1, C2 by the outside, is respectively hall device HR1, HR2 and HR3 power supply, and hall device detects current switch magnetoresistance motor rotor position and motor speed changes; By resistance R 11 and light-emitting diode DY1, resistance R 12 and light-emitting diode DY2, resistance R 13 and light-emitting diode DY3 consist of respectively the indicating circuit of hall device HR1, HR2 and HR3; Simultaneously positional information is exported to integrated circuit U1, through integrated circuit U1 amplify and shaping after, the more unidirectional output circuit of the external short circuit protective circuit that consists of through PTC device V3, V4, V5 and diode D2, D3 and D4 formation is to accepting circuit.
The present invention is not limited to above-mentioned preferred forms, and other any or akin products identical with the present invention that anyone draws under enlightenment of the present invention are within all dropping on protection scope of the present invention.
Claims (2)
1. a sensor of high-reliability switch reluctance motor realizes circuit, it is characterized in that: circuit comprises power supply input filter and protective circuit, Hall element, amplification and rectification circuit, position indicating circuit, signal output and five parts of protective circuit, wherein power supply is given Hall element after power supply input filter and protective circuit; The variation that Hall element detects current switch magnetoresistance motor rotor position, rotating speed, turns to, outgoing position, rotating speed and turn signal; Signal is given position indicating circuit and signal output and protective circuit after amplification and shaping circuit amplification shaping; Signal output and protective circuit can improve quality of output signals, prevent interference and misconnection and short circuit;
Use rotor-position, the rotating speed of the Sensitive Apparatus sense switch reluctance motor such as Hall and turn to variation; Detection signal indicates motor rotor position and change information thereof by the indicating circuit that luminescent device or other display element consist of, and indicating circuit also reflects the fault message of Hall element indirectly simultaneously;
Described indicating circuit and Hall element are connected in parallel;
The externally fed power supply is respectively hall device power supply is provided through input protection and filter circuit; Input protection circuit is made of overcurrent protection and incorrect polarity protection device; Filter circuit is made of the capacitor and inductor filtering device; The power supply input protection circuit can be protected the damage of the internal circuit that causes due to outside line short circuit and misconnection and improve the antijamming capability of circuit.
Sensor of high-reliability switch reluctance motor according to claim 1 realize circuit, it is characterized in that: testing circuit is exported to indicating circuit and amplification and shaping circuit simultaneously with positional information, then through output protection circuit to accepting circuit; Amplification and shaping circuit can adopt transistor or integrated transporting discharging device to consist of; Output protection circuit is made of short-circuit protection device and unidirectional processing apparatus; Output protection circuit has been protected the damage of the internal circuit that causes due to outside line misconnection and short circuit, improves quality of output signals, prevents external disturbance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102466373A CN101771377B (en) | 2008-12-31 | 2008-12-31 | Realizing circuit of sensor of high-reliability switch reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102466373A CN101771377B (en) | 2008-12-31 | 2008-12-31 | Realizing circuit of sensor of high-reliability switch reluctance motor |
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| Publication Number | Publication Date |
|---|---|
| CN101771377A CN101771377A (en) | 2010-07-07 |
| CN101771377B true CN101771377B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102466373A Expired - Fee Related CN101771377B (en) | 2008-12-31 | 2008-12-31 | Realizing circuit of sensor of high-reliability switch reluctance motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412931A (en) * | 2001-10-10 | 2003-04-23 | 乐金电子(天津)电器有限公司 | Single-phase switch reluctance machine drive method |
| CN2686181Y (en) * | 2003-12-18 | 2005-03-16 | 大庆石油管理局 | Electric power polarity protector |
| CN101078748A (en) * | 2007-06-18 | 2007-11-28 | 广州市长程机电有限公司 | Brushless motor Hall detector |
| CN201113465Y (en) * | 2007-09-13 | 2008-09-10 | 徐永全 | Notebook-type computer vehicle-mounted electric supply matcher |
-
2008
- 2008-12-31 CN CN2008102466373A patent/CN101771377B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412931A (en) * | 2001-10-10 | 2003-04-23 | 乐金电子(天津)电器有限公司 | Single-phase switch reluctance machine drive method |
| CN2686181Y (en) * | 2003-12-18 | 2005-03-16 | 大庆石油管理局 | Electric power polarity protector |
| CN101078748A (en) * | 2007-06-18 | 2007-11-28 | 广州市长程机电有限公司 | Brushless motor Hall detector |
| CN201113465Y (en) * | 2007-09-13 | 2008-09-10 | 徐永全 | Notebook-type computer vehicle-mounted electric supply matcher |
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| CN101771377A (en) | 2010-07-07 |
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Application publication date: 20100707 Assignee: Shandong Zhongfang Ruili electromechanical Co., Ltd. Assignor: Beijing China Tex Mechanical & Electrical Engineering Ltd. Contract record no.: 2015990000022 Denomination of invention: Realizing circuit of sensor of high-reliability switch reluctance motor Granted publication date: 20130605 License type: Exclusive License Record date: 20150113 |
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Owner name: NIDEC (BEIJING) DRIVE SYSTEM TECHNIQUE CO., LTD. Free format text: FORMER OWNER: BEIJING CHINA TEX MECHANICAL + ELECTRICAL ENGINEERING LTD. Effective date: 20150803 |
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Effective date of registration: 20150803 Address after: 101102 Beijing, Tongzhou District Sheng King South Street, No. 13, No. 101, 201-1, 301, 15, Patentee after: Nideke (Beijing) Transmission Technology Co. Ltd Address before: 101102, Beijing, Zhongguancun science and Technology Park, Jinqiao Science and technology industrial base, 15 South four street, 16A, Tongzhou District Patentee before: Beijing China Tex Mechanical & Electrical Engineering Ltd. |
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Granted publication date: 20130605 Termination date: 20171231 |
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