CN221505886U - Position sensor structure for magnetic levitation loop wire - Google Patents
Position sensor structure for magnetic levitation loop wire Download PDFInfo
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- CN221505886U CN221505886U CN202323563584.7U CN202323563584U CN221505886U CN 221505886 U CN221505886 U CN 221505886U CN 202323563584 U CN202323563584 U CN 202323563584U CN 221505886 U CN221505886 U CN 221505886U
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- 238000005339 levitation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 14
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 230000001808 coupling effect Effects 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000000018 DNA microarray Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a position sensor structure for a magnetic levitation loop wire, which comprises a stator assembly and a rotor assembly, wherein the stator assembly is used for being fixed on a target loop wire and comprises a stator plate and a coil arranged on the stator plate; the mover assembly is used for being arranged on the mobile device, the mobile device can move along the target loop line, the mover assembly comprises a mover chip and a magnet, the magnet is used for generating induced electromotive force inside the magnet when the mobile device moves along the target loop line, and the mover chip is connected with the magnet and receives the induced electromotive force generated by the magnet in the moving process. The sensor structure in the utility model can realize high-precision measurement of the annular line position based on the inductive coupling effect, and effectively solves the problem of limited measurement precision of the existing scheme.
Description
Technical Field
The utility model belongs to the technical field of high-speed traffic and industrial production lines, and particularly relates to an inductive position sensor for a long-stroke magnetic levitation loop.
Background
The long-travel magnetic levitation annular line is a track system with an annular track and a magnetic levitation technology, and can be used in the fields of high-speed traffic systems, industrial production lines and the like. In order to realize high-precision measurement of the position of the magnetic levitation annular line, a special position sensor is needed to realize the measurement, and the position of the long-stroke magnetic levitation annular line is mainly measured through a photoelectric encoder and a Hall sensor in the prior art. Wherein the photoelectric encoder detects the movement of the grating by fixing the grating strip on the circular track using a photoelectric sensor, thereby measuring the position of the circular line. However, since the precision and anti-interference capability of the photoelectric sensor are limited, the measurement precision is limited by the size and the fixed precision of the grating, and is also easily interfered by the ambient light. And the hall sensor measures the position of the loop line by sensing a change in the magnetic field. It is generally necessary to provide a plurality of magnets on a circular line and to mount a plurality of hall sensors on a circular track. The position of the loop line is then determined by detecting the change in the magnetic field. However, due to the attenuation of the magnetic field and the difficulty of signal acquisition, the Hall sensor has the problems of limited precision and insufficient anti-interference capability in long-stroke annular line measurement.
Accordingly, in view of the above-described problems, there is a need for an improved position sensor.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of utility model
The utility model aims to provide a position sensor structure for a magnetic levitation loop line, which solves the problems of low measurement precision and poor anti-interference capability in the prior art.
In order to achieve the above object, a specific embodiment of the present utility model provides the following technical solution:
The utility model discloses a position sensor structure for a magnetic levitation loop wire, which comprises a stator assembly and a rotor assembly, wherein the stator assembly is used for being fixed on a target loop wire and comprises a stator plate and a coil arranged on the stator plate; the mover assembly is used for being arranged on the mobile device, the mobile device can move along the target loop line, the mover assembly comprises a mover chip and a magnet, the magnet is used for generating induced electromotive force inside the magnet when the mobile device moves along the target loop line, and the mover chip is connected with the magnet and receives the induced electromotive force generated by the magnet in the moving process.
In one or more embodiments of the utility model, the stator assembly further comprises a stator bracket for securing to the target ring line, the stator plate being secured to the stator bracket.
In one or more embodiments of the utility model, the stator plate and the stator frame are detachably secured.
In one or more embodiments of the utility model, the mover assembly further includes an adapter plate through which the mover chip is fixed to the magnet.
In one or more embodiments of the present utility model, a slot is formed on the adapter board, and the active cell chip can be inserted into the slot and limited to the slot.
In one or more embodiments of the present utility model, when the mover chip is inserted into the slot, the mover chip surface is flush with the surface of the adapter plate.
In one or more embodiments of the utility model, the mover assembly includes a support plate set to which the magnets are fixed.
In one or more embodiments of the present utility model, the support plate set includes a first support plate and a second support plate disposed along a moving direction, wherein a first limit lever protrudes from an end of the first support plate facing the moving direction, a second limit lever protrudes from an end of the second support plate facing the moving direction, the first limit lever abuts against the second support plate, and the second limit lever abuts against the first support plate.
In one or more embodiments of the utility model, the mover assembly further includes a mover carriage for securing to the mobile device, the set of support plates being secured to the mover carriage.
In one or more embodiments of the present utility model, the support plate set and the mover support are detachably fixed.
Compared with the prior art, the position sensor structure for the magnetic levitation loop wire adopts an inductance type sensing principle, can realize high-precision measurement of the position of the loop wire, and effectively solves the problem that the measurement precision of the existing scheme is limited. Secondly, the installation and debugging process of the sensor structure is simple and convenient, and the working difficulty and cost of a user are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic view of a position sensor for a magnetic levitation loop according to an embodiment of the present utility model;
FIG. 2 is a schematic view of another angle of the position sensor structure for the magnetic levitation loop according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a position sensor structure for a magnetic levitation loop according to an embodiment of the present utility model;
FIG. 4 is an exploded view of another angle of the position sensor structure for the magnetic levitation loop according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a transfer plate according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram showing a combination of a transfer plate and a sub-chip according to an embodiment of the present utility model;
Fig. 7 is a schematic view of a support plate set according to an embodiment of the utility model.
The main reference numerals illustrate:
100-position sensor structure for magnetic levitation loop, 10-stator assembly, 11-stator plate, 12-coil, 13-stator support, 20-rotor assembly, 21-magnet, 22-rotor chip, 23-adapter plate, 231-slot, 24-support plate group, 241-support plate, 2411-limit rod, 2412-bolt hole and 25-rotor support.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1 to 7, a position sensor structure 100 for a magnetically levitated loop wire in an embodiment of the utility model includes a stator assembly 10 and a mover assembly 20, the stator assembly 10 being designed to be fixed on a target loop wire and including a stator plate 11 and a coil 12 disposed on the stator plate 11. The mover assembly 20 is designed to be fixed to a mobile device, and includes a magnet 21 and a mover chip 22. After the coil 12 is electrified, the mobile device generates induced electromotive force in the magnet 21 when moving on the loop, and the rotor chip 22 is used for monitoring the induced electromotive force, so that the position of the mobile device at the moment can be obtained through subsequent calculation.
During actual operation, the stator assembly 10 is laid on the side of the entire (or a part of) target ring line, and the mover assembly 20 is fixed to a moving device that orbits the target ring line. Compared with other commonly used photoelectric encoders and hall sensors, the position sensor structure 100 for the magnetic levitation loop of the present utility model adopts a levitation design, and the magnet 21 can stably run on the track of the target loop along with the mobile device and always keep a distance from the fixed coil 12. Based on the inductive coupling effect, the sensor has higher sensitivity and signal to noise ratio, and can realize higher-precision position measurement after being optimized by a later algorithm, thereby meeting the position measurement requirement of a long-stroke magnetic levitation annular line. Meanwhile, an effective anti-interference algorithm and a signal processing technology are adopted, so that the influence of external interference on a measurement result can be reduced, and the stability and accuracy of the system are improved.
Preferably, the coil 12 is made of high-quality wire material and is optimally designed, so that the sensitivity and stability are high. The number of turns and the size of the coil are obtained through accurate calculation, and the coil can respond to the position change of the mobile equipment better in the inductive coupling process, so that the measurement accuracy is improved.
The magnet 21 is fixed on the mobile device, and the shape design of the magnet is matched with the coil 12, so that the magnetic field generated by the magnet is distributed more uniformly in the coil, and the stability and accuracy of the induced voltage are ensured.
In the present embodiment, the biochip 22 employs a high-performance signal processor, and can accurately extract and process the induced voltage signal. The obtained voltage signals are converted into accurate position information through the processes of filtering, amplifying, sampling, denoising and the like, and real-time monitoring and feedback are realized.
Specifically, the stator plate 11 is fixed to a stator bracket 13, and the stator bracket 13 is fixed to the target ring line. It is conceivable that the stator plates 11 and the corresponding coils 12 need to be laid over the whole target loop, since the position of the mobile device needs to be monitored in real time.
As shown in fig. 3 and 4, the stator plate 11 and the stator frame 13 are modularized, and the stator frame 13 is fixed on the target ring first, and then the stator plate 11 is fixed on the stator frame 13. Of course, it is also possible to fix the stator plate 11 to the stator frame 13 first, and then fix the stator frame 13 to the target ring line. In the present embodiment, the stator plate 11 is fixed to the stator frame 13 by bolts, and the two are detachably fixed.
In this embodiment, the mover assembly 20 further includes a support plate set 24, and the magnet 21 is fixed to the support plate set 24. Preferably, the mover chip 22 is fixed to the magnet 21 through an adapter plate 23. Further, the mover assembly 20 further includes a mover support 25, the mover support 25 being secured to the mobile device and being configured for use with the support plate set 24, the support plate set 24 being secured to the mobile device by the mover support 25. It is easy to think that the parts of the mover assembly 20 are detachably fixed (preferably bolted) to the corresponding target fixing structure, so that the assembly and disassembly are more convenient.
As shown in fig. 5 and 6, a slot 231 is formed on the adapter plate 23, and the active cell 22 is inserted into the slot 231 and is limited by the slot 231, so that the active cell is prevented from being displaced during installation, and is convenient for a worker to operate. Preferably, the slot 231 is configured such that when the chiplet 22 is inserted into the slot 231, the surfaces of the two are flush.
As shown in fig. 7, the support plate group 24 is composed of two identical support plates 241, each support plate 241 has a side end portion (toward the moving direction of the moving apparatus) protruding a stopper rod 2411, and a plurality of bolt holes 2412 are provided on the surface. When fixed to the magnet 21, one of the support plates 241 is rotated 180 °, and the stopper rods 2411 of the two support plates 241 are respectively abutted against each other and then fixed to the magnet 21 by bolts. Therefore, the support plates 241 can be designed smaller, the number of the support plates 241 can be increased or decreased at any time when the magnets 21 with different lengths are matched, and meanwhile, the limiting rod 2411 can reduce the weight of the support plate group 24, so that the operation stress point can be increased, and the flexibility is higher.
In the actual use process of the position sensor structure 100 for a magnetic levitation loop according to the embodiment of the present utility model, after the stator assembly 10 and the rotor assembly 20 are respectively fixed to a target loop and a mobile device operating on the loop, an actual application scenario is simulated by the mobile device, errors of position information and an actual position measured by the sensor are compared, and then calibration is performed, and the actual use can be put into practical use after the calibration is completed. In addition, an automatic calibration system is matched with the position sensor structure 100 for the magnetic levitation loop line, calibration can be automatically performed according to a preset calibration period, and any drift and error possibly existing are corrected so as to maintain the accuracy of a measurement result.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A position sensor structure for a magnetic levitation loop wire, comprising:
A stator assembly for fixing on a target ring line, the stator assembly including a stator plate and a coil disposed on the stator plate; and
The mover assembly is used for being arranged on the mobile equipment, the mobile equipment can move along a target loop line, the mover assembly comprises a mover chip and a magnet, the magnet is used for generating induced electromotive force inside the magnet when the mobile equipment moves along the target loop line, and the mover chip is connected with the magnet and receives the induced electromotive force generated by the magnet in the moving process.
2. The position sensor structure for a magnetically levitated loop wire of claim 1, wherein the stator assembly further comprises a stator support for securing to a target loop wire, the stator plate being secured to the stator support.
3. The position sensor structure for a magnetically levitated ring wire according to claim 2, wherein the stator plate and the stator frame are detachably fixed.
4. The position sensor structure for a magnetically levitated loop wire according to claim 1, wherein the mover assembly further includes an adapter plate through which the mover chip is fixed to the magnet.
5. The position sensor structure for a magnetically levitated loop wire according to claim 4, wherein the adapter plate is provided with a slot, and the mover chip can be inserted into the slot and limited in the slot.
6. The position sensor structure for a magnetically levitated loop wire according to claim 5, wherein the surface of the sub-chip is flush with the surface of the adapter plate when the sub-chip is inserted into the slot.
7. The position sensor structure for a magnetically levitated loop wire according to claim 1, wherein the mover assembly includes a support plate group to which the magnet is fixed.
8. The position sensor structure for a magnetic levitation loop wire according to claim 7, wherein the support plate group comprises a first support plate and a second support plate arranged along the moving direction, wherein a first limit lever protrudes from one end of the first support plate facing the moving direction, a second limit lever protrudes from one end of the second support plate facing the moving direction, the first limit lever abuts against the second support plate, and the second limit lever abuts against the first support plate.
9. The position sensor structure for a magnetically levitated loop wire according to claim 7, wherein the mover assembly further includes a mover bracket for being fixed to a moving apparatus, the support plate set being fixed to the mover bracket.
10. The position sensor structure for a magnetically levitated loop wire according to claim 9, wherein the support plate group is detachably fixed to the mover holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323563584.7U CN221505886U (en) | 2023-12-26 | 2023-12-26 | Position sensor structure for magnetic levitation loop wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323563584.7U CN221505886U (en) | 2023-12-26 | 2023-12-26 | Position sensor structure for magnetic levitation loop wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221505886U true CN221505886U (en) | 2024-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323563584.7U Active CN221505886U (en) | 2023-12-26 | 2023-12-26 | Position sensor structure for magnetic levitation loop wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221505886U (en) |
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2023
- 2023-12-26 CN CN202323563584.7U patent/CN221505886U/en active Active
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