CN210572624U - Suspension propulsion integrated rotary platform - Google Patents
Suspension propulsion integrated rotary platform Download PDFInfo
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- CN210572624U CN210572624U CN201920565061.0U CN201920565061U CN210572624U CN 210572624 U CN210572624 U CN 210572624U CN 201920565061 U CN201920565061 U CN 201920565061U CN 210572624 U CN210572624 U CN 210572624U
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Abstract
The utility model relates to a suspension impels technical field, discloses a suspension impels integration rotary platform. This platform includes the platform base, rotor arc PMSM altogether, suspension tablet and testing arrangement, the motor includes rotor and the first stator of arc and arc second stator in common, first stator includes first stator base, first stator yoke portion and propulsion coil, the second stator includes second stator base, second stator yoke portion and propulsion coil, the rotor includes the rotor base, the rotor shaft, the rotor yoke, and the permanent magnet of setting on the rotor yoke, the propulsion coil of first stator and second stator provide propulsive force with permanent magnet interact, both sides all are provided with suspension tablet about the propulsion coil of first stator yoke portion and second stator yoke portion, suspension tablet and rotor interact produce suspension force, relevant motion parameter among the detection device detection rotor motion process. Therefore, the coupling capacity of the suspension propulsion can be verified, and the motion parameters can be measured.
Description
Technical Field
The utility model relates to a suspension impels technical field, especially relates to a suspension impels integration rotary platform.
Background
With the continuous progress of science and technology, the traffic mode is increasingly remarkable in the daily life of human beings. Railway trains have certain speed limits due to insufficient wheel-rail friction at high speed, pantograph abrasion and the like. In order to increase the railway carrying speed, the magnetic suspension high-speed train becomes a new research direction. The existing magnetic suspension train is mainly divided into two systems of electromagnetic suspension and electric suspension. The electromagnetic suspension has the characteristic of buoyancy loss at high speed, so that the requirement of the speed of more than 1000km/h is difficult to meet. The electric suspension has the feasibility of high-speed stable suspension due to the characteristics of self-stability and the like. At present, the U.S. air force Holloman test base and the Japanese sorb adopt an electric suspension mode, wherein the Japanese sorb adopts a linear motor for propulsion and an 8-shaped induction coil for achieving the speed of 603 km/h.
One of the key technologies for designing a high-speed maglev train is to analyze the coupling characteristics of a linear motor system and a suspension system when the suspension and propulsion are integrated, but the coupling characteristics are limited by the distance, and the high-speed characteristics of the linear motor are difficult to test and measure. The test line construction verification needs the support of the national government and the local government, the occupied area is large, the cost of the propulsion and suspension characteristics is too large through simple verification, the economy is poor, and meanwhile, once the test line is built, the design parameters are difficult to adjust, and the exploration significance of the motor characteristics and the suspension characteristics is small.
SUMMERY OF THE UTILITY MODEL
The utility model provides a suspension impels integration rotary platform can solve impel among the prior art and the unable technical problem who verifies of suspension coupling characteristic.
The utility model provides a suspension propulsion integrated rotary platform, wherein, the platform comprises a platform base, a co-rotor arc permanent magnet synchronous motor, a suspension induction plate and a testing device which are arranged on the platform base, the co-rotor arc permanent magnet synchronous motor comprises a co-rotor, an arc first stator and an arc second stator which are symmetrically arranged around the rotor, the first stator comprises a first stator base, a first stator yoke part and a propulsion coil which is arranged at the inner arc surface of the first stator yoke part at a first preset interval, the second stator comprises a second stator base, a second stator yoke part and a propulsion coil which is arranged at the inner arc surface of the second stator yoke part at a first preset interval, the first stator is arranged on the platform base through the first stator base, the second stator is arranged on the platform base through the second stator base, the rotor includes rotor base, rotor shaft, rotor yoke and sets up permanent magnet on the rotor yoke, the rotor passes through the rotor base sets up on the platform base, rotor shaft one end with the rotor base is connected, and one end is passed rotor yoke center upwards extends, and the propulsion coil of first stator and second stator provide propulsive force with permanent magnet interact, first stator yoke with both sides all are provided with about the propulsion coil of second stator yoke the suspension tablet, the suspension tablet with rotor interaction produces suspension force, detection device is used for detecting the relevant motion parameter in the rotor motion process.
Preferably, the platform further comprises a heat dissipation device, and the heat dissipation device is arranged on the first stator base, the first stator yoke, the second stator base and the second stator yoke and used for cooling the propulsion coil and the suspension induction plate.
Preferably, the heat dissipation device is a hollow tube, the hollow tube is arranged on the extrados of the first stator yoke and the second stator yoke and on the intrados of the first stator base and the second stator base, or the hollow tube is embedded in the first stator yoke and the second stator yoke and the first stator base and the second stator base, and the propulsion coil and the suspension induction plate are cooled by circulating water introduced into the hollow tube.
Preferably, the detection device includes a sensor guide rail and an S-shaped pull pressure sensor, the sensor guide rail includes an arc slide rail having a support portion and a radial slide rail having a support portion, the S-shaped pull pressure sensor includes a traction sensor, a suspension force sensor and a guiding force sensor, the arc slide rail is disposed below the first stator yoke, the radial slide rail is disposed below the second stator yoke, the traction sensor is disposed on end faces of left and right sides of the first stator yoke, the suspension force sensor is disposed on the support portion of the arc slide rail and the support portion of the radial slide rail, and the guiding force sensor is disposed on an extrados surface of the second stator yoke at a second predetermined interval.
Preferably, the detecting means includes a triaxial force sensor and a sensor mount, the sensor mount being disposed below the first and second stator yokes, the triaxial force sensor being disposed on each of the first stator yoke upper side surface, the second stator yoke upper side surface, and the sensor mount, for detecting the traction force, the levitation force, and the guide force at the same time.
Preferably, the detection device further comprises a voltage sensor and a current sensor for respectively detecting the three-phase voltage and current of the propulsion coil.
Preferably, the voltage sensor and the current sensor are a hall voltage sensor and a hall current sensor, respectively.
Preferably, the detection device further comprises a speed sensor arranged between the propulsion coils and used for detecting the rotating speed of the rotor, and the speed sensor is a latch-type digital hall sensor.
Preferably, the detection device further comprises an ultrasonic distance measuring sensor disposed on the platform base at a space between the first stator and the second stator for detecting a levitation height of the rotor during operation.
Preferably, the rotor base includes a rotor base body, a flat bearing provided on the rotor base body, and a radial bearing provided on the flat bearing.
Through the technical scheme, can set up rotor-sharing arc PMSM on the platform base, suspension tablet and testing arrangement, motor rotor can pass through stator coil electromagnetic propulsion and rotate, rotor-sharing arc PMSM is with the mode of replacing straight with the bent, the restriction problem of linear electric motor on the working distance has been solved, install suspension tablet and rotor interact simultaneously and realize the suspension, verify suspension propulsion coupling ability, utilize testing arrangement can accurately explore linear electric motor and suspension system at the relevant motion parameter variation condition of whole in-process, provide the effective way for exploring and analyzing the characteristic of electromagnetic propulsion magnetic suspension system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 shows a schematic general structural diagram of a suspension-propulsion integrated rotary platform according to an embodiment of the present invention;
2A-2B illustrate schematic views of a motor stator sensor mounting location in accordance with an embodiment of the present invention;
fig. 3 shows a schematic diagram of a mounting position of a triaxial force sensor according to an embodiment of the present invention;
fig. 4 shows a schematic diagram of a pulse waveform output per unit time of the hall sensor according to the embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 shows a general structural schematic diagram of a suspension propulsion integrated rotating platform according to an embodiment of the present invention.
As shown in fig. 1, the embodiment of the present invention provides a suspension propulsion integrated rotating platform, wherein the platform comprises a platform base 1, a co-rotor arc-shaped permanent magnet synchronous motor (e.g., a coreless permanent magnet synchronous motor serving as an electromagnetic propulsion system) disposed on the platform base 1, a suspension induction plate 2 and a testing device, the co-rotor arc-shaped permanent magnet synchronous motor comprises a common rotor 3, and an arc-shaped first stator 4 and an arc-shaped second stator 5 symmetrically disposed around the common rotor 3, the first stator 4 comprises a first stator base 40, a first stator yoke 41 and a propulsion coil 42 (stator coil) disposed at an inner arc surface of the first stator yoke 41 at a first predetermined interval, the second stator 5 comprises a second stator base 50, a second stator yoke 51 and a propulsion coil 42 disposed at an inner arc surface of the second stator yoke 51 at a first predetermined interval, the first stator 4 is disposed on the platform base 1 through the first stator base 40, the second stator 5 is disposed on the platform base 1 through the second stator base 50, the shared rotor 3 includes a rotor base 30, a rotor shaft 31, a rotor yoke 32, and a permanent magnet 33 disposed on the rotor yoke 32, the shared rotor 3 is disposed on the platform base 1 through the rotor base 30, one end of the rotor shaft 31 is connected to the rotor base 30, and the other end extends upward through the center of the rotor yoke 32, a propulsion coil of the first stator 4 and a propulsion coil of the second stator 5 interact with the permanent magnet 33 to provide a propulsion force, the suspension induction plates 2 are disposed on the upper and lower sides of the propulsion coil of the first stator yoke 41 and the second stator yoke 42 (that is, the suspension induction plates 2 are disposed on the upper and lower sides of the propulsion coil of the first stator yoke 41, both sides all set up about the propulsion coil of second stator yoke portion 42 suspension tablet 2, promptly, go up suspension tablet and lower suspension tablet), suspension tablet 2 with sharing rotor 3 interact produces the suspension power, detection device is arranged in detecting the relevant motion parameter of sharing rotor 3 motion process.
The relevant motion parameters may include, among others, the force, voltage, current, speed and flying height generated during the movement of the common rotor 3.
For example, the rotor shaft 31 may be a rotor limit shaft, and the propulsion coil may be in a concentrated winding form; the stator yoke is used for mounting and fixing stator coil parts, and the selected yoke material can be non-magnetic and non-conductive material. Rotor yoke 32 may be a non-magnetic rotor yoke. And, the adjacent both ends of first stator 4 and second stator 5 are at a certain interval, do not contact each other.
Furthermore, the radial clearance between the stator and the rotor is adjustable.
According to an embodiment of the invention, the permanent magnets 33 may be evenly distributed along the circumference of the rotor according to N-S-N-S.
For example, the suspension induction plate 2 may be made of a material with high electrical conductivity, such as copper, aluminum, etc. And the distance between the suspension induction plate 2 and the rotor along the radial direction is adjustable. When the rotor rotates fast, eddy current can be induced on the induction plate, and the magnetic field and the eddy current interact to generate suspension force, so that system suspension is realized, namely, the suspension induction plate 2 and the common rotor 3 are jointly used as an electric suspension system.
Through the technical scheme, can set up rotor-sharing arc PMSM on the platform base, suspension tablet and testing arrangement, motor rotor can pass through stator coil electromagnetic propulsion and rotate, rotor-sharing arc PMSM is with the mode of replacing straight with the bent, the restriction problem of linear electric motor on the working distance has been solved, install suspension tablet and rotor interact simultaneously and realize the suspension, verify suspension propulsion coupling ability, utilize testing arrangement can accurately explore linear electric motor and suspension system at the relevant motion parameter variation condition of whole in-process, provide the effective way for exploring and analyzing the characteristic of electromagnetic propulsion magnetic suspension system.
According to the utility model relates to an embodiment, this platform still includes heat abstractor 6, heat abstractor 6 sets up first stator base 40 first stator yoke portion 41 second stator base 50 with be used for cooling down propulsion coil and suspension induction plate 2 on the second stator yoke portion 51.
Therefore, the heat dissipation and cooling of the propulsion coil and the suspension induction plate can be realized.
According to the utility model relates to an embodiment, heat abstractor 6 is the hollow tube, the hollow tube sets up first stator yoke 41 with on the extrados of second stator yoke 51 and first stator base 40 with on the intrados of second stator base 50, perhaps the hollow tube buries first stator yoke 41 with second stator yoke 51 and first stator base 40 with second stator base 50, through let in the circulating water in the hollow tube and cool down propulsion coil and suspension induction plate.
That is, can carry out the heat dissipation cooling to propulsion coil and suspension induction plate through the water-cooling mode to keep the temperature of motor stator constant.
For example, the hollow pipe can be a square hollow copper pipe, and the cooling circulating water enters from the inlet and exits from the outlet of the hollow pipe to form water cooling circulation to realize the cooling process.
It will be appreciated by those skilled in the art that the above description of the hollow tube is merely exemplary and not intended to limit the present invention, and that the hollow tube of the present invention may take other shapes and materials.
Further, to the mode of setting of hollow tube, can all be with the mode setting that sets up on the surface, also can all be with the mode setting of burying the setting, also can be with the mode setting that sets up with burying the setting mixture of surface setting (for example, set up with stator yoke extrados and set up with burying stator base mode, set up with stator base intrados and set up with burying stator yoke mode, set up with first stator yoke extrados and first stator base intrados and set up with the mode of burying second stator yoke and second stator base, the utility model discloses do not exhaustively to this), concrete mode of setting can be set for according to actual conditions, the utility model discloses do not set for this. And, the buried depth also can be set for according to actual need, the utility model discloses do not set for this equally.
Fig. 2A-2B show schematic diagrams of a motor stator sensor mounting position according to an embodiment of the present invention.
Fig. 2A is a schematic view of a sensor mounting position for a first stator, and fig. 2B is a schematic view of a sensor mounting position for a second stator.
According to one embodiment of the present invention, as shown in fig. 2A-2B, the detecting device comprises a sensor rail 7 and an S-shaped pull pressure sensor, the sensor rail 7 comprises an arc-shaped slide rail 70 with a support and a radial slide rail 71 with a support, the S-shaped pull pressure sensor includes a traction sensor 72, a levitation force sensor 73 and a guiding force sensor 74, the arcuate slide rails 70 are disposed below the first stator yoke 41, the radial slide rails 71 are disposed below the second stator yoke 51, the traction force sensors 72 are provided on both left and right side end surfaces of the first stator yoke portion 41, the levitation force sensor 73 is disposed on the support portion of the arc-shaped slide rail 70 and the support portion of the radial slide rail 71, the guide force sensors 74 are disposed on the outer arc surface of the second stator yoke 51 at second predetermined intervals.
This enables measurement of forces in three directions, i.e., levitation force, traction force, and guide force (three-dimensional forces).
Further, by providing the sensor rail 7 described above, the tension/compression sensors can be prevented from interfering with each other in the orthogonal direction. More specifically, the arc-shaped slide rail is adopted for the first stator, the sensitivity direction of the first stator is consistent with that of the traction force sensor, and the first stator can be used for eliminating the influence of tiny mechanical deformation in the traction force direction on the suspension force sensor; the second stator adopts a radial slide rail, the sensitivity direction of the second stator is consistent with that of the guide force sensor, and the second stator can be used for eliminating the influence of micro mechanical deformation in the direction of the guide force on the suspension force sensor.
Fig. 3 shows a schematic diagram of a mounting position of a triaxial force sensor according to an embodiment of the present invention.
In fig. 3, any one of the stator yokes will be described as an example. The other stator yoke is similar and will not be described again.
According to an embodiment of the present invention, as shown in fig. 3, alternatively, the detecting device may include a three-axis force sensor 9 and a sensor support 10, the sensor support 10 is disposed below the first stator yoke 41 and the second stator yoke 42, and the three-axis force sensor 9 is disposed on the upper side surface of the first stator yoke 41, the upper side surface of the second stator yoke 42, and the sensor support 10, and is configured to detect the traction force, the levitation force, and the guiding force at the same time.
That is, in addition to the manner of measuring the three-dimensional force by using the sensor guide rail 7 and the S-shaped pull pressure sensor described in the above embodiments, the traction force, the levitation force, and the guiding force may be measured simultaneously by directly using the three-axis force sensor and the sensor mount.
The triaxial force sensor can measure the forces in three directions simultaneously, and has the advantages of stable structure, high precision and low triaxial mutual interference.
According to the utility model relates to an embodiment, detection device can also include voltage sensor and current sensor for detect propulsion coil's three-phase voltage and electric current respectively.
According to the utility model relates to an embodiment, voltage sensor and current sensor are hall voltage sensor and hall current sensor respectively.
According to an embodiment of the present invention, the detecting device may further include a speed sensor 8 disposed between the propulsion coils (as shown in fig. 2A and 3) for detecting the rotation speed of the rotor, and the speed sensor 8 may be, for example, a latch-type digital hall sensor.
And (3) carrying out the rotation speed of the rotor by adopting a Hall element speed measurement method. The basic principle of the Hall element velocity measurement method is as follows: the Hall switch element is internally provided with a voltage stabilizing circuit, a Hall potential generator, an amplifier, a Schmitt trigger and an output circuit. The output level is compatible with the TTL level, a disc is arranged on a motor rotating shaft, a plurality of pairs of small magnetic steels are arranged on the disc, the more the small magnetic steels are, the higher the resolution ratio is, the Hall switch is fixed near the small magnetic steels, when the motor rotates, when one small magnetic steel rotates to pass through the Hall switch, the Hall switch outputs a pulse, the pulse number in unit time is calculated, and the rotating speed of the rotating body can be determined.
The bipolar latching Hall effect switch is opened when being placed at an n pole (or an s pole), and is kept opened after the magnetic field is removed; and is turned off only when placed in the s-pole (or n-pole), and continues to remain in its on or off state after the magnetic field is removed until the next magnetic field change. This characteristic of maintaining the last state is the latch characteristic.
For example, one embodiment of the present invention may use a high sensitivity latched digital hall sensor VF460S that turns on (NO) in the south (S) field and outputs a low level.
Fig. 4 shows a schematic diagram of a pulse waveform output per unit time of the hall sensor according to the embodiment of the present invention.
Taking the number of the rotor permanent magnets as an example and arranging in the form of N-S-N-S, the waveform output by the latch type digital hall sensor is shown in fig. 4.
According to the utility model relates to an embodiment, detection device still includes ultrasonic ranging sensor 11, sets up on platform base 1 first stator 4 with interval department between the second stator 5 for detect the suspension height of rotor 3 when the operation.
The utility model discloses a non-contact's altitude mixture measurement, the suspension height of rotor when the operation is measured through measuring the distance of its self and rotor outside edge to ultrasonic ranging sensor.
According to the utility model relates to an embodiment, rotor base 30 can include rotor base body, flat bearing and journal bearing, flat bearing sets up on the rotor base body, journal bearing sets up on the flat bearing.
For example, the radial bearing may be a graphite bearing, which not only ensures the rotation and suspension of the rotor, but also avoids the increase of the suspension weight caused by the bearing. When the rotor is in a stage from static to suspension, the plane bearing supports the roller rotor and ensures that the rotor does rotary motion along the axial direction; the flat bearing provides support for the roller rotor and prevents severe rubbing against the rotor base before the rotor stalls until the fall back stage.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A suspension and propulsion integrated rotating platform is characterized by comprising a platform base, a co-rotor arc permanent magnet synchronous motor, a suspension induction plate and a detection device, wherein the co-rotor arc permanent magnet synchronous motor is arranged on the platform base and comprises a co-rotor, an arc first stator and an arc second stator, the arc first stator and the arc second stator are symmetrically arranged around the rotor, the first stator comprises a first stator base, a first stator yoke part and a propulsion coil arranged on the inner arc surface of the first stator yoke part at a first preset interval, the second stator comprises a second stator base, a second stator yoke part and a propulsion coil arranged on the inner arc surface of the second stator yoke part at a first preset interval, the first stator is arranged on the platform base through the first stator base, and the second stator is arranged on the platform base through the second stator base, the rotor includes rotor base, rotor shaft, rotor yoke and sets up permanent magnet on the rotor yoke, the rotor passes through the rotor base sets up on the platform base, rotor shaft one end with the rotor base is connected, and one end is passed rotor yoke center upwards extends, and the propulsion coil of first stator and second stator provide propulsive force with permanent magnet interact, first stator yoke with both sides all are provided with about the propulsion coil of second stator yoke the suspension tablet, the suspension tablet with rotor interaction produces suspension force, detection device is used for detecting the relevant motion parameter in the rotor motion process.
2. The platform of claim 1, further comprising heat sinks disposed on the first stator base, the first stator yoke, the second stator base, and the second stator yoke for cooling the propulsion coils and the levitation induction plates.
3. The platform of claim 2, wherein the heat dissipation device is a hollow tube disposed on the extrados of the first and second stator yokes and the intrados of the first and second stator bases, or the hollow tube is embedded in the first and second stator yokes and the first and second stator bases, and the propulsion coils and the levitation induction plates are cooled by circulating water through the hollow tube.
4. The platform of claim 1, wherein the detection device comprises a sensor rail and an S-shaped pull and pressure sensor, the sensor rail comprises an arc-shaped slide rail having a support portion and a radial slide rail having a support portion, the S-shaped pull and pressure sensor comprises a traction sensor, a levitation sensor and a guiding force sensor, the arc-shaped slide rail is disposed below the first stator yoke, the radial slide rail is disposed below the second stator yoke, the traction sensor is disposed on the left and right end faces of the first stator yoke, the levitation sensor is disposed on the support portion of the arc-shaped slide rail and the support portion of the radial slide rail, and the guiding force sensor is disposed on the outer arc face of the second stator yoke at a second predetermined interval.
5. The platform of claim 1, wherein the detection device comprises a three-axis force sensor and a sensor mount disposed below the first and second stator yokes, the three-axis force sensor being disposed on each of the first stator yoke upper side surface, the second stator yoke upper side surface, and the sensor mount for simultaneously detecting a traction force, a levitation force, and a guide force.
6. The platform of claim 4 or 5, wherein the detection means further comprises a voltage sensor and a current sensor for detecting the three-phase voltage and current of the propulsion coil, respectively.
7. The platform of claim 6, wherein the voltage and current sensors are Hall voltage and Hall current sensors, respectively.
8. The platform of claim 6, wherein the detection device further comprises a speed sensor disposed between the propulsion coils for detecting the rotational speed of the rotor, the speed sensor being a latched digital hall sensor.
9. The platform of claim 6, wherein the detection device further comprises an ultrasonic ranging sensor disposed on the platform base at a spacing between the first stator and the second stator for detecting a levitation height of the rotor when in operation.
10. The platform of claim 1, wherein the rotor base includes a rotor base body, a planar bearing disposed on the rotor base body, and a radial bearing disposed on the planar bearing.
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CN111856269A (en) * | 2019-04-24 | 2020-10-30 | 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) | Suspension propulsion integrated rotary platform |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111856269A (en) * | 2019-04-24 | 2020-10-30 | 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) | Suspension propulsion integrated rotary platform |
CN111856269B (en) * | 2019-04-24 | 2022-04-12 | 中国航天科工飞航技术研究院(中国航天海鹰机电技术研究院) | Suspension propulsion integrated rotary platform |
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