CN109951048A - A kind of long primary permanent magnet linear synchronous generator position signal detection device - Google Patents

A kind of long primary permanent magnet linear synchronous generator position signal detection device Download PDF

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Publication number
CN109951048A
CN109951048A CN201910258194.8A CN201910258194A CN109951048A CN 109951048 A CN109951048 A CN 109951048A CN 201910258194 A CN201910258194 A CN 201910258194A CN 109951048 A CN109951048 A CN 109951048A
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CN
China
Prior art keywords
permanent magnet
linear
position signal
mover
hall sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910258194.8A
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Chinese (zh)
Inventor
谭强
李立毅
黄旭珍
王明义
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Harbin Institute of Technology
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Harbin Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201910258194.8A priority Critical patent/CN109951048A/en
Publication of CN109951048A publication Critical patent/CN109951048A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of long primary permanent magnet linear synchronous generator position signal detection devices, belong to motor field.A kind of long primary permanent magnet linear synchronous generator position signal detection device mover of the present invention by conducting magnet core and permanent magnet group at, stator is made of the linear hall sensor component of several equidistant arrangements, linear hall sensor component is connect with controller, linear motor rotor side is mounted on by the mover that conducting magnet core and permanent magnet are constituted, stator and the linear motor stator electric installation be made of the linear hall sensor component of several equidistant arrangements is on the base, permanent magnet Surface Mount is in conducting magnet core lower surface, permanent magnet lower surface is arc, and adjacent permanent magnet polarity is opposite.The present invention realizes mover and moves without cable, improves the linear induction motor system speed of service and positioning accuracy, while detecting position signal using linear hall sensor, has saved system cost.

Description

A kind of long primary permanent magnet linear synchronous generator position signal detection device
Technical field
The present invention relates to a kind of long primary permanent magnet linear synchronous generator position signal detection devices, belong to motor field.
Background technique
Long primary permanent magnet linear motor synchronous motor has many advantages, such as that mover quality is small, good reliability, and can comprehensively consider The factors such as efficiency, controllability and safety lifecycle move occasion in high speed and long stroke using modularization and standardized designs It has broad application prospects.However, motor still adds the position detection of grating scale or magnetic railings ruler using traditional reading head at present Mode, it is at high cost, and also reading head is mounted on electric mover side, and there are the dragging of position signal transmission line and perturbed problem, limitations Long primary permanent magnet linear synchronous generator system operational speed and positioning accuracy into once improving.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art, and then it is straight to provide a kind of long primary permanent magnet Line locking motor position signal detection device.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of long primary permanent magnet linear synchronous generator position signal detection device, the long primary permanent magnet linear synchronous generator Position signal detection device includes mover, stator, pedestal and controller, mover by conducting magnet core and permanent magnet group at, stator by The linear hall sensor component of several equidistant arrangements forms, and linear hall sensor component is connect with controller, by magnetic conduction The mover that iron core and permanent magnet are constituted is mounted on linear motor rotor side, by the linear hall sensor of several equidistant arrangements On the base, permanent magnet Surface Mount is under conducting magnet core lower surface, permanent magnet for stator and the linear motor stator electric installation that component is constituted Surface is arc, and adjacent permanent magnet polarity is opposite.
A kind of long primary permanent magnet linear synchronous generator position signal detection device of the present invention, the linear Hall sensing The longitudinal length of device assembly be permanent magnet pole away from half, it is longitudinally long that the distance of adjacent linear hall sensor component is less than mover Degree.
A kind of long primary permanent magnet linear synchronous generator position signal detection device of the present invention, the linear hall sensor group Part is provided with the signal lamp for showing its working condition.
A kind of long primary permanent magnet linear synchronous generator position signal detection device of the present invention, it is described by conducting magnet core and permanent magnetism The mover both ends and upper surface that body is constituted are equipped with Metal shielding shell.
A kind of long primary permanent magnet linear synchronous generator position signal detection device of the present invention, the mover and straight-line electric are motor-driven Pinboard is provided between son.
A kind of long primary permanent magnet linear synchronous generator position signal detection device of the present invention, is examined using linear hall sensor Position signal is surveyed dramatically to reduce costs instead of the magnetic railings ruler or grating scale in existing apparatus;Realize mover without Cable movement, improves the linear induction motor system speed of service and positioning accuracy.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of long primary permanent magnet linear synchronous generator position signal detection device of the present invention.
Fig. 2 is the right view of linear hall sensor component in the present invention.
There is appended drawing reference in figure: 1 is conducting magnet core;2 be permanent magnet;3 be linear hall sensor component;4 be pedestal;5 For linear hall sensor.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail: the present embodiment is being with technical solution of the present invention Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment one: as illustrated in fig. 1 and 2, a kind of long primary permanent magnet linear synchronous generator position involved in the present embodiment Signal supervisory instrument, including mover, stator, pedestal and controller, mover is by conducting magnet core and permanent magnet group at stator is by several The linear hall sensor component of a equidistant arrangement forms, and linear hall sensor component is connect with controller, by conducting magnet core The mover constituted with permanent magnet is mounted on linear motor rotor side, by the linear hall sensor component of several equidistant arrangements On the base, permanent magnet Surface Mount is in conducting magnet core lower surface, permanent magnet lower surface for stator and the linear motor stator electric installation of composition For arc, adjacent permanent magnet polarity is opposite.
For permanent magnet Surface Mount in conducting magnet core lower surface, permanent magnet lower surface is arc, to improve the air gap of permanent magnet generation The sine degree of flux density.Adjacent permanent magnet polarity is on the contrary, the pole N and the pole S are alternately arranged.
4 linear hall sensors are equally spaced in linear Hall component, for detecting the magnetic induction of permanent magnet generation Strength vector direction, and output phase answers voltage signal.By measuring the magnetic flux density vector direction of position, it is each it is linear suddenly That sensor-output status value 0 or 1.In linear motor rotor motion process, position signal detection device mover moves therewith, The state value of each linear hall sensor output constantly changes, and controller acquires the shape of all linear hall sensor component outputs State value detects the direction of motion and relative displacement of mover based on principle of stacking.
Embodiment two: as shown in Fig. 2, a kind of long primary permanent magnet linear synchronous generator position signal involved in the present embodiment Detection device, the longitudinal length of the linear hall sensor component be permanent magnet pole away from half, adjacent linear Hall The distance of sensor module is less than mover longitudinal length.
Embodiment three: as shown in Fig. 2, a kind of long primary permanent magnet linear synchronous generator position signal involved in the present embodiment Detection device, the linear hall sensor component are provided with the signal lamp for showing its working condition.
Linear hall sensor component is provided with the signal lamp for showing its working condition, when mover movement is passed in linear Hall When sensor component upper area, signal lamp is bright, and when mover leaves linear hall sensor component upper area, signal lamp is put out It goes out.
Example IV: as shown in Figure 1, a kind of long primary permanent magnet linear synchronous generator position signal involved in the present embodiment Detection device, the mover both ends being made of conducting magnet core and permanent magnet and upper surface are equipped with Metal shielding shell.
Mover both ends and upper surface are equipped with Metal shielding shell, to shield electromagnetic interference.
Embodiment five: as shown in Figure 1, a kind of long primary permanent magnet linear synchronous generator position signal involved in the present embodiment Detection device is provided with pinboard between the mover and linear motor rotor.
Pinboard is provided between mover and linear motor rotor, with gas between adjusting position signal supervisory instrument mover and stator Gap width (width of air gap optimum value is 4mm~6mm between position signal detection device mover and stator).
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention Different implementations under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art Technical staff in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all cover of the invention Within protection scope.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.

Claims (5)

1. a kind of long primary permanent magnet linear synchronous generator position signal detection device, which is characterized in that the long primary permanent magnet is straight Line locking motor position signal detection device includes mover, stator, pedestal (4) and controller, and mover is by conducting magnet core (1) and forever Magnet (2) composition, stator are made of the linear hall sensor component (3) of several equidistant arrangements, linear hall sensor group Part (3) is connect with controller, is mounted on linear motor rotor side by the mover that conducting magnet core (1) and permanent magnet (2) are constituted, by The stator and linear motor stator electric that the linear hall sensor component (3) of several equidistant arrangements is constituted are mounted on pedestal (4), Permanent magnet (2) Surface Mount is arc in conducting magnet core (1) lower surface, permanent magnet (2) lower surface, and adjacent permanent magnet (2) polarity is opposite.
2. long primary permanent magnet linear synchronous generator position signal detection device according to claim 1, which is characterized in that institute The longitudinal length for stating linear hall sensor component (3) is the half of permanent magnet (2) pole span, adjacent linear hall sensor component (3) distance is less than mover longitudinal length.
3. long primary permanent magnet linear synchronous generator position signal detection device according to claim 1, which is characterized in that institute It states linear hall sensor component (3) and is provided with the signal lamp for showing its working condition.
4. long primary permanent magnet linear synchronous generator position signal detection device according to claim 1, which is characterized in that institute It states the mover both ends being made of conducting magnet core (1) and permanent magnet (2) and upper surface is equipped with Metal shielding shell.
5. long primary permanent magnet linear synchronous generator position signal detection device according to claim 1, which is characterized in that institute It states and is provided with pinboard between mover and linear motor rotor.
CN201910258194.8A 2019-04-01 2019-04-01 A kind of long primary permanent magnet linear synchronous generator position signal detection device Pending CN109951048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910258194.8A CN109951048A (en) 2019-04-01 2019-04-01 A kind of long primary permanent magnet linear synchronous generator position signal detection device

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Application Number Priority Date Filing Date Title
CN201910258194.8A CN109951048A (en) 2019-04-01 2019-04-01 A kind of long primary permanent magnet linear synchronous generator position signal detection device

Publications (1)

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CN109951048A true CN109951048A (en) 2019-06-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113639640A (en) * 2021-09-18 2021-11-12 哈尔滨工业大学 Method for detecting accurate position of linear motor with cable-free rotor
CN114291684A (en) * 2022-02-21 2022-04-08 同济大学 Elevator and elevator measuring method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0939482A2 (en) * 1998-02-26 1999-09-01 Anorad Corporation A linear motor
US6100681A (en) * 1997-08-06 2000-08-08 Nippon Thompson Co. Ltd. Linear encoding device with staggered detectors
CN102007366A (en) * 2007-06-27 2011-04-06 布鲁克斯自动化公司 Multiple dimension position sensor
EP2325039A2 (en) * 2009-11-23 2011-05-25 Noell Mobile Systems GmbH Sensor system for transport assemblies with linear synchronous drive and transport assembly
CN205123553U (en) * 2015-10-19 2016-03-30 安徽大学 Synchronous linear electric motor of no iron core permanent magnetism of arc permanent magnet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6100681A (en) * 1997-08-06 2000-08-08 Nippon Thompson Co. Ltd. Linear encoding device with staggered detectors
EP0939482A2 (en) * 1998-02-26 1999-09-01 Anorad Corporation A linear motor
CN102007366A (en) * 2007-06-27 2011-04-06 布鲁克斯自动化公司 Multiple dimension position sensor
EP2325039A2 (en) * 2009-11-23 2011-05-25 Noell Mobile Systems GmbH Sensor system for transport assemblies with linear synchronous drive and transport assembly
CN205123553U (en) * 2015-10-19 2016-03-30 安徽大学 Synchronous linear electric motor of no iron core permanent magnetism of arc permanent magnet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113639640A (en) * 2021-09-18 2021-11-12 哈尔滨工业大学 Method for detecting accurate position of linear motor with cable-free rotor
CN114291684A (en) * 2022-02-21 2022-04-08 同济大学 Elevator and elevator measuring method

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Application publication date: 20190628