CN113965046B - Intelligent monitoring type permanent magnet coupler - Google Patents
Intelligent monitoring type permanent magnet coupler Download PDFInfo
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- CN113965046B CN113965046B CN202111217434.3A CN202111217434A CN113965046B CN 113965046 B CN113965046 B CN 113965046B CN 202111217434 A CN202111217434 A CN 202111217434A CN 113965046 B CN113965046 B CN 113965046B
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- distance detection
- detection device
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- air gap
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 47
- 239000004020 conductor Substances 0.000 claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 88
- 238000000034 method Methods 0.000 claims description 18
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses an intelligent monitoring type permanent magnet coupler. The intelligent monitoring type permanent magnet coupler comprises a conductor rotor, a magnet rotor and a first distance detection device, wherein the first distance detection device is installed on the conductor rotor and/or the magnet rotor, and the first distance detection device is used for detecting an air gap between the conductor rotor and the magnet rotor. The utility model provides an intelligent monitoring type permanent magnet coupler is through setting up first distance detection device on permanent magnet coupler's conductor rotor and/or magnet rotor to the condition of real-time detection air gap, whether contact between conductor dish and the magnet dish can in time be found to the messenger user.
Description
Technical Field
The invention relates to the technical field of permanent magnet couplers, in particular to an intelligent monitoring type permanent magnet coupler and a method for monitoring an air gap of the permanent magnet coupler.
Background
The permanent magnet coupler is different from a traditional coupler, belongs to non-contact transmission, does not have any contact abrasion in work, and is widely accepted due to long service life. The permanent magnet coupler belongs to a maintenance-free coupler and has no easily damaged parts.
At present, the damage of the permanent magnet coupler is basically only two forms, namely, the slide error is overlarge due to overload, so that the temperature is overhigh; secondly, the foundation of the host equipment is loosened or the bearing is abraded, so that the air gap between the conductor disc and the magnet disc is reduced, the conductor disc and the magnet disc are contacted, and the friction damage is caused.
The traditional installation alignment needs manual measurement of numerical values in 4 directions of up, down, left and right to determine whether the axial lines of the conductor disc and the magnet disc have deviation or not; whether the left air gap and the right air gap are consistent or not needs to be measured, and 8 data are needed; the distance of both sides on the connection plate from the two magnet discs needs to be mapped to determine the angular deviation.
However, it is not known whether the initial mounting position between the conductor disc and the magnet disc has changed during the operation of the apparatus. Even if equipment is used for polling, a large amount of personnel and material resources are wasted, and the polling is untimely.
It is therefore desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a permanent magnet coupler of the intelligent monitoring type that overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the above object, the present invention provides an intelligent monitoring type permanent magnet coupler, which includes a conductor rotor, a magnet rotor, and a first distance detecting device, wherein the first distance detecting device is installed on the conductor rotor and/or the magnet rotor, and the first distance detecting device is used for detecting an air gap between the conductor rotor and the magnet rotor.
Optionally, the conductor rotor comprises at least one conductor disc, each conductor disc having at least one first distance detection device disposed thereon.
Optionally, at least two first distance detection devices are arranged on each conductor disc, and the first distance detection devices are uniformly distributed in the circumferential direction of the conductor disc.
Optionally, the first distance detection means located on the same conductor disc are located at the same distance from the centre point of the conductor disc.
Optionally, the first distance detection means is arranged near an outer edge of the conductor disc.
Optionally, the number of conductor discs is two;
the conductor rotor further comprises a connecting plate, and the two conductor discs are connected through the connecting plate;
the intelligent monitoring type permanent magnet coupler further comprises:
a second distance detection device provided on the connection plate for detecting a radial distance between the connection plate and the magnet rotor.
Optionally, the intelligent monitoring type permanent magnet coupler further comprises:
and the control device is connected with the first distance detection device and/or the second distance detection device and is used for acquiring the distance information transmitted by the first distance detection device and/or the distance information transmitted by the second distance detection device.
Optionally, the intelligent monitoring type permanent magnet coupler further comprises an alarm device, and the alarm device is connected with the control device; wherein,
the control device generates alarm information for the alarm device when the acquired distance information exceeds a preset threshold;
the alarm device is used for giving an alarm according to the alarm signal.
Optionally, the intelligent monitoring type permanent magnet coupler further comprises a display, and the display is connected with the control device and used for displaying information transmitted by the control device.
The application also provides a permanent magnet coupler air gap monitoring method, which comprises the following steps:
an air gap value between the conductor rotor and the magnet rotor, which is transmitted through a first distance detection device provided on the conductor rotor and/or the magnet rotor, is acquired.
Optionally, the method for monitoring an air gap of a permanent magnet coupler further includes:
judging whether the acquired air gap value exceeds a first preset threshold value, if so, judging whether the acquired air gap value exceeds the first preset threshold value
Judging whether the acquired air gap value exceeds a second preset threshold value, if so, judging whether the acquired air gap value exceeds the second preset threshold value
Generating a shutdown signal to shutdown the permanent magnet coupler.
Optionally, the method for monitoring an air gap of a permanent magnet coupler further includes:
judging whether the acquired air gap value exceeds a second preset threshold value, if not, judging that the acquired air gap value exceeds the second preset threshold value
A warning signal is generated to be alarmed by the alarm means.
Optionally, the method for monitoring an air gap of a permanent magnet coupler further includes:
acquiring a distance value between the connecting plate and the magnet rotor, which is transmitted through a second distance detection device provided on the connecting plate.
Optionally, the method for monitoring an air gap of a permanent magnet coupler further includes:
generating a conductor disc model;
acquiring coordinate information of each first distance detection device on the conductor disc;
generating a display frame of the first distance detection device on the conductor disc model according to the coordinate information of the first distance detection device;
displaying the air gap value of the conductor rotor and the magnet rotor transmitted by the corresponding first distance detection device in a display frame.
Optionally, the method for monitoring an air gap of a permanent magnet coupler further includes:
acquiring coordinate information of each second distance detection device on the conductor disc;
generating a display frame of the second distance detection device on the conductor disc model according to the coordinate information of the second distance detection device;
displaying the air gap value of the conductor rotor and the magnet rotor transmitted by the corresponding second distance detection device in a display frame.
The utility model provides an intelligent monitoring type permanent magnet coupler is through setting up first distance detection device on permanent magnet coupler's conductor rotor and/or magnet rotor to the condition of real-time detection air gap, whether contact between conductor dish and the magnet dish can in time be found to the messenger user.
Drawings
Fig. 1 is a schematic structural view of an intelligent monitoring type permanent magnet coupler according to a first embodiment of the present invention;
fig. 2 is another schematic structural diagram of the intelligent monitoring type permanent magnet coupler shown in fig. 1;
fig. 3 is a schematic structural diagram of an intelligent monitoring type permanent magnet coupler according to a second embodiment of the present invention;
FIG. 4 is another schematic diagram of the intelligent monitoring permanent magnet coupler shown in FIG. 3;
fig. 5 is a schematic view of a conductor plate model displayed by the display device according to the first embodiment of the present invention.
Reference numerals:
1. a conductor rotor; 2. a magnet rotor; 3. a first distance detection device; 11. a conductor disc; 12. a connecting plate; 4. a second distance detection means; 5. a hub; 21. a magnetic disk.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Fig. 1 is a schematic structural diagram of an intelligent monitoring type permanent magnet coupler according to a first embodiment of the present invention. Fig. 2 is another schematic structural diagram of the intelligent monitoring type permanent magnet coupler shown in fig. 1. Fig. 3 is a schematic structural diagram of an intelligent monitoring type permanent magnet coupler according to a second embodiment of the present invention. Fig. 4 is another structural schematic diagram of the intelligent monitoring type permanent magnet coupler shown in fig. 3.
The intelligent monitoring type permanent magnet coupler as shown in fig. 1 to 4 includes a conductor rotor 1, a magnet rotor 2, and a first distance detecting device 3, wherein the first distance detecting device 3 is installed on the conductor rotor 1, and the first distance detecting device 3 is used for detecting an air gap between the conductor rotor 1 and the magnet rotor 2.
In this embodiment, the conductor rotor 1 is typically connected to one hub 5 and the magnet rotor 2 is typically connected to the other hub 5.
In other embodiments, the first distance detection means may also be mounted on the magnet rotor or on both the magnet rotor and the conductor rotor.
The utility model provides an intelligent monitoring type permanent magnet coupler is through setting up first distance detection device on permanent magnet coupler's conductor rotor and/or magnet rotor to the condition of real-time detection air gap, thereby whether contact between can make the user in time discover conductor dish and the magnet dish 21.
In the present embodiment, the conductor rotor 1 comprises at least one conductor disc 11, each conductor disc 11 being provided with at least one first distance detection means 3.
Referring to fig. 1, in the present embodiment, the number of conductor disks is 2, and each conductor disk is provided with a first distance detection device.
Referring to fig. 1 and 2, in the present embodiment, at least two first distance detection devices 3 are provided on each conductor disc 11, and the first distance detection devices 3 are uniformly distributed in the circumferential direction of the conductor disc 11. Specifically, in the present embodiment, the number of the first distance detection means is four.
In this embodiment, the respective first distance detection means 3 located on the same conductor disc 11 are at the same distance from the center point of the conductor disc.
Referring to fig. 2, in the present embodiment, the first distance detection means 3 is disposed near the outer edge of the conductor disc 11.
With this arrangement position, the numerical value change of the first distance detection means becomes more conspicuous as the axial angle error of the conductor disk with respect to the magnet disk 21 becomes larger.
Referring to fig. 3 and 4, in the present embodiment, the number of the conductor plates 11 is two;
the conductor rotor 1 further comprises a connection plate 12, through which the two conductor discs are connected;
the intelligent monitoring type permanent magnet coupler further comprises a second distance detection device 4, wherein the second distance detection device 4 is arranged on the connecting plate 12 and is used for detecting the radial distance between the connecting plate 12 and the magnet rotor 2.
By providing the second distance detecting device, the movement of the magnetic disk 21 in four directions, i.e., up, down, left, and right, can be monitored, so that the situation of the magnetic disk 21 can be known more.
In this embodiment, the first distance detection device and the second distance detection device are both distance sensors, and advantageously both wireless distance sensors, such as wireless laser rangefinders.
In this embodiment, all be provided with 4 first distance detection devices on every conductor dish, among the first distance detection device on every conductor dish, the phase difference between every two adjacent first distance detection devices is 45 degrees, adopts this kind of arrangement, works as in 8 distancers of having evenly distributed in the circumference, if there is the angle error conductor dish and magnet dish's axis, more can in time discover.
In this embodiment, the intelligent monitoring type permanent magnet coupler further includes a control device, and the control device is connected to the first distance detection device and/or the second distance detection device, and is configured to obtain the distance information transmitted by the first distance detection device and/or the distance information transmitted by the second distance detection device.
By arranging the control device, the distance information transmitted by the first distance detection device and the second distance detection device can be acquired in real time.
In one embodiment, the control device is communicated with a motor for driving the permanent magnet coupler, and the control device can control the motor for driving the permanent magnet coupler to work or stop.
In this embodiment, the intelligent monitoring type permanent magnet coupler further comprises an alarm device, and the alarm device is connected with the control device; wherein,
the control device generates alarm information for the alarm device when the acquired distance information exceeds a preset threshold;
the alarm device is used for giving an alarm according to the alarm signal.
Through setting up alarm device, can report to the police when distance information that controlling means acquireed surpasss the threshold value that predetermines to let the user know the condition.
For example, the preset threshold of the air gap is 1mm to 3mm, when the information transmitted by the first distance detection device acquired by the control device is 4mm, an alarm signal is generated and transmitted to the alarm device if the information exceeds the preset threshold, and the alarm device gives an alarm according to the alarm signal.
In this embodiment, the alarm device may be an audio alarm device or an image alarm device.
In an embodiment where the control device is connected to the motor, the control device may further generate a stop signal to the motor, thereby controlling the motor to stop operating.
In this embodiment, the intelligent monitoring type permanent magnet coupler further comprises a display, and the display is connected with the control device and is used for displaying the information transmitted by the control device.
Referring to fig. 5, fig. 5 shows information transmitted by a control device displayed on a display.
The application also provides a permanent magnet coupler air gap monitoring method, which comprises the following steps:
an air gap value between the conductor rotor and the magnet rotor, which is transmitted by a first distance detection device provided on the conductor rotor and/or the magnet rotor, is acquired.
The utility model provides an intelligence monitoring type permanent magnet coupler is through the condition of real-time detection air gap to whether contact between conductor dish and the magnet dish can be in time discover to the user.
In this embodiment, the method for monitoring the air gap of the permanent magnet coupler further includes:
judging whether the acquired air gap value exceeds a first preset threshold value, if so, judging whether the acquired air gap value exceeds the first preset threshold value
Judging whether the acquired air gap value exceeds a second preset threshold value, if so, judging whether the acquired air gap value exceeds the second preset threshold value
Generating a shutdown signal to shutdown the permanent magnet coupler.
In terms of distance, the first preset threshold is 4mm, the second preset threshold is 5mm, when the obtained air gap value exceeds 5mm, it is considered that damage has occurred, and in order to protect the permanent magnet coupler, the permanent magnet coupler is directly stopped.
In another embodiment, the method for monitoring the air gap of the permanent magnet coupler further comprises:
judging whether the acquired air gap value exceeds a second preset threshold value, if not, judging that the acquired air gap value exceeds the second preset threshold value
A warning signal is generated to be alarmed by the alarm means.
For example, the first preset threshold is 4mm, the second preset threshold is 5mm, and when the acquired air gap value does not exceed 5mm, it is determined that the permanent magnet coupler is not damaged yet, but the permanent magnet coupler may not be in a normal working condition or some problems may occur, and at this time, in order to not affect the working, an alarm is first given to allow a user to determine whether the machine needs to be stopped.
In this embodiment, the method for monitoring an air gap of a permanent magnet coupler further includes: and acquiring a distance value between the connecting plate and the magnet rotor, which is transmitted by a second distance detection device arranged on the connecting plate.
The position condition of the permanent magnetic disk in all directions can be known by acquiring the second distance detection device.
In this embodiment, the method for monitoring the air gap of the permanent magnet coupler further includes:
generating a conductor disc model;
acquiring coordinate information of each first distance detection device on the conductor disc;
generating a display frame of the first distance detection device on the conductor disc model according to the coordinate information of the first distance detection device;
displaying the air gap value of the conductor rotor and the magnet rotor transmitted by the corresponding first distance detection device in a display frame.
In this embodiment, the method for monitoring the air gap of the permanent magnet coupler further includes:
acquiring coordinate information of each second distance detection device on the conductor disc;
generating a display frame of the second distance detection device on the conductor disc model according to the coordinate information of the second distance detection device;
and displaying the air gap value of the conductor rotor and the magnet rotor transmitted by the corresponding second distance detection device in a display frame.
Referring to fig. 5, fig. 5 is a model of the conductor disc displayed on the display by the above method, and the model allows a user to know the numerical information obtained by the distance detection device at each position of the conductor disc in real time, so that the user can intuitively know the condition of the permanent magnet coupler.
Referring to fig. 5, in fig. 5, the distances measured by the respective first and second distance detection means are 5mm.
By adopting the mode, the numerical value can be intuitively displayed without manual measurement.
Finally, it should be pointed out that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An intelligent monitoring type permanent magnet coupler is characterized by comprising a conductor rotor (1), a magnet rotor (2), a first distance detection device (3), a second distance detection device (4), a control device and an alarm device, wherein the first distance detection device (3) is installed on the conductor rotor (1) and/or the magnet rotor (2), and the first distance detection device (3) is used for detecting an air gap between the conductor rotor (1) and the magnet rotor (2); the conductor rotor (1) comprises at least one conductor disc (11), and each conductor disc (11) is provided with at least one first distance detection device (3); at least two first distance detection devices (3) are arranged on each conductor disc (11), and the first distance detection devices (3) are uniformly distributed in the circumferential direction of the conductor disc (11);
the number of the conductor discs (11) is two;
the conductor rotor (1) further comprises a connection plate (12) through which the two conductor discs are connected;
the second distance detection device (4) is arranged on the connecting plate (12) and is used for detecting the radial distance between the connecting plate (12) and the magnet rotor (2);
the control device is connected with the first distance detection device and/or the second distance detection device and is used for acquiring distance information transmitted by the first distance detection device and/or distance information transmitted by the second distance detection device;
the alarm device is connected with the control device; wherein,
the control device generates alarm information for the alarm device when the acquired distance information exceeds a preset threshold;
and the alarm device is used for giving an alarm according to the alarm information.
2. An intelligent monitoring permanent magnet coupler according to claim 1, characterized in that each first distance detection means (3) located on the same conductor disc (11) is at the same distance from the center point of the conductor disc.
3. A smart surveillance permanent magnetic coupler according to claim 2, characterized in that the first distance detection means (3) are arranged close to the outer edge of the conductor disc (11).
4. The intelligent monitored permanent magnet coupler as recited in claim 3, further comprising a display, said display being connected to said control means for displaying information transmitted by said control means.
5. The air gap monitoring method of claim 1, wherein the air gap monitoring method comprises:
acquiring an air gap value between the conductor rotor and the magnet rotor, which is transmitted by a first distance detection device arranged on the conductor rotor and/or the magnet rotor; judging whether the acquired air gap value exceeds a first preset threshold value, if so, judging whether the acquired air gap value exceeds the first preset threshold value
Judging whether the acquired air gap value exceeds a second preset threshold value, if so, judging whether the acquired air gap value exceeds the second preset threshold value
Generating a shutdown signal to shutdown the permanent magnet coupler; judging whether the acquired air gap value exceeds a second preset threshold value, if not, judging that the acquired air gap value exceeds the second preset threshold value
Generating a warning signal to alarm by an alarm device; the distance value between the connecting plate and the magnet rotor, which is transmitted through the second distance detection device provided on the connecting plate, is acquired.
6. The air gap monitoring method of claim 5, further comprising:
generating a conductor disc model;
acquiring coordinate information of each first distance detection device on the conductor disc;
generating a display frame of the first distance detection device on the conductor disc model according to the coordinate information of the first distance detection device;
displaying the air gap value of the conductor rotor and the magnet rotor transmitted by the corresponding first distance detection device in a display frame.
7. The air gap monitoring method of claim 6, further comprising:
acquiring coordinate information of each second distance detection device on the conductor disc;
generating a display frame of the second distance detection device on the conductor disc model according to the coordinate information of the second distance detection device;
and displaying the air gap value of the conductor rotor and the magnet rotor, which is transmitted by the corresponding second distance detection device, in a display frame.
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| CN202111217434.3A CN113965046B (en) | 2021-10-19 | 2021-10-19 | Intelligent monitoring type permanent magnet coupler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111217434.3A CN113965046B (en) | 2021-10-19 | 2021-10-19 | Intelligent monitoring type permanent magnet coupler |
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| CN113965046B true CN113965046B (en) | 2022-12-16 |
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| US6275025B1 (en) * | 1996-08-23 | 2001-08-14 | Mannesmann Vdo Ag | Magnetic position sensor |
| CN106872126A (en) * | 2017-01-19 | 2017-06-20 | 北京航空航天大学 | Large-scale magnetic coupling stiffness characteristics comprehensive test platform |
| CN107994754A (en) * | 2017-12-19 | 2018-05-04 | 安徽理工大学 | A kind of disc type asynchronous magnetic coupler arrangements for speed regulation |
| CN110261104A (en) * | 2019-07-12 | 2019-09-20 | 吉林大学 | A kind of device of achievable synchronous mode and the test of asynchronous system magnetic coupling full working scope |
| CN110793770A (en) * | 2019-11-14 | 2020-02-14 | 太原科技大学 | Magnetic coupling comprehensive transmission performance test device and method |
| CN112152397A (en) * | 2020-08-26 | 2020-12-29 | 煤科集团沈阳研究院有限公司 | Air gap adjusting tool for magnetic coupler and adjusting method thereof |
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2021
- 2021-10-19 CN CN202111217434.3A patent/CN113965046B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6275025B1 (en) * | 1996-08-23 | 2001-08-14 | Mannesmann Vdo Ag | Magnetic position sensor |
| CN106872126A (en) * | 2017-01-19 | 2017-06-20 | 北京航空航天大学 | Large-scale magnetic coupling stiffness characteristics comprehensive test platform |
| CN107994754A (en) * | 2017-12-19 | 2018-05-04 | 安徽理工大学 | A kind of disc type asynchronous magnetic coupler arrangements for speed regulation |
| CN110261104A (en) * | 2019-07-12 | 2019-09-20 | 吉林大学 | A kind of device of achievable synchronous mode and the test of asynchronous system magnetic coupling full working scope |
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