Safety protection identification system of permanent magnet synchronous motor

Abstract

The present invention relates to a safety protection identification system for a permanent magnet synchronous motor, comprising: an on-site shooting device for performing shooting processing on the wiring scene of the permanent magnet synchronous motor; a model processing device for constructing a three-dimensional solid model corresponding to the wiring terminal, determining the identification volume corresponding to the wiring terminal based on each model size data of the three-dimensional solid model, and determining that the wiring terminal is blocked by the surrounding protection fence when the difference between the identification volume corresponding to the wiring terminal and the entity volume corresponding to the wiring terminal exceeds the limit. Through the present invention, it is possible to intelligently determine whether the wiring terminal is blocked by the surrounding protection fence based on multiple targeted screened visual data, and when it is determined that the wiring terminal is blocked by the surrounding protection fence, a notification message corresponding to the wiring terminal with exposed wire parts is surrounded by the surrounding protection fence is issued, thereby improving the safety and reliability of the operation of the permanent magnet synchronous motor.

Description

Technical Field

[0001] The invention relates to the field of permanent magnet synchronous motors, and in particular to a safety protection identification system for permanent magnet synchronous motors. Background Art

[0002] Permanent magnet synchronous motors use permanent magnets to provide excitation, making the motor structure simpler, reducing processing and assembly costs, and eliminating collector rings and brushes that are prone to problems, improving the reliability of motor operation; and because no excitation current is required, there is no excitation loss, which improves the efficiency and power density of the motor. Permanent magnet synchronous motors are composed of stators, rotors, and end covers. The stator is basically the same as an ordinary induction motor, and a laminated structure is used to reduce the iron loss during motor operation. The rotor can be made solid or laminated. The armature winding can be a concentrated full-pitch winding, or a distributed short-pitch winding and an unconventional winding.

[0003] During the operation of the permanent magnet synchronous motor, there are generally exposed parts of its wiring terminals that require special safety protection. Generally, peripheral protective fences are used to shield and protect the wiring terminals. However, after long-term use or improper operation, the wiring terminals of the permanent magnet synchronous motor may lack the corresponding protective fence shielding and protection. At the same time, the prior art also lacks a corresponding detection mechanism. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a safety protection identification system for a permanent magnet synchronous motor, which can construct a three-dimensional solid model corresponding to the terminal based on the depth of field values ​​corresponding to each pixel point in the acquisition area corresponding to the terminal, the coordinate values ​​corresponding to each pixel point in the acquisition area corresponding to the terminal, and the imaging focal length corresponding to the multi-layer enhanced picture, determine the identification volume corresponding to the terminal based on the model size data of the three-dimensional solid model, and when the difference between the identification volume corresponding to the terminal and the solid volume corresponding to the terminal is greater than or equal to the set volume threshold, send a first identification signal to determine that the terminal is blocked by the surrounding protection fence, and when it is determined that the terminal is blocked by the surrounding protection fence, send a notification message corresponding to the terminal with exposed wire part being surrounded by the surrounding protection fence, otherwise, send a warning message corresponding to the terminal with exposed wire part not being surrounded by the surrounding protection fence, so as to intelligently analyze the safety status of the terminal of the permanent magnet synchronous motor.

[0005] According to the present invention, a safety protection identification system for a permanent magnet synchronous motor is provided, the system comprising:

[0006] A live shooting device is arranged opposite to the connection terminals of the permanent magnet synchronous motor, and is used to perform shooting processing on the connection scene of the permanent magnet synchronous motor to obtain and output a corresponding live shooting picture;

[0007] A multi-layer enhancement device, connected to the live shooting device and comprising a first enhancement device, a second enhancement device and a third enhancement device, for continuously performing image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum value filtering processing on the received live shooting picture, so as to obtain and output a corresponding multi-layer enhanced picture;

[0008] A region extraction device, for determining that a certain pixel point in the received multi-layer enhanced image is a matching pixel point when the respective color component values ​​of the certain pixel point are respectively matched with the respective color component value intervals corresponding to the connection terminal, and performing fitting processing on the remaining plurality of matching pixel points after removing the isolated matching pixel points on the respective matching pixel points in the multi-layer enhanced image, so as to obtain a collection region corresponding to the connection terminal;

[0009] A depth of field analysis device, used to obtain the imaging focal length corresponding to the multi-layer enhanced image, and to obtain the depth of field values ​​corresponding to the pixel points in the acquisition area corresponding to the connection terminal;

[0010] a model processing device, connected to the region extraction device and the depth of field analysis device, respectively, for constructing a three-dimensional solid model corresponding to the wiring terminal based on the depth of field values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, the coordinate values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, and the imaging focal length corresponding to the multi-layer enhanced image, determining the recognition volume corresponding to the wiring terminal based on the model size data of the three-dimensional solid model, and when the difference between the recognition volume corresponding to the wiring terminal and the solid volume corresponding to the wiring terminal is greater than or equal to a set volume threshold, sending a first recognition signal to determine that the wiring terminal is blocked by the surrounding protective fence, otherwise, sending a second recognition signal to determine that the wiring terminal is not blocked by the surrounding protective fence;

[0011] The information conversion device is connected to the model processing device and is used to send notification information corresponding to the connection terminal being surrounded and protected by a surrounding protective fence when the first recognition signal is received, and is also used to send warning information corresponding to the connection terminal not being surrounded and protected by a surrounding protective fence when the second recognition signal is received.

[0012] It can be seen that the present invention has at least the following three important inventive concepts:

[0013] First: when the color component values ​​of a certain pixel point in the received multi-layer enhanced image are matched with the color component value intervals corresponding to the connection terminal, the certain pixel point is judged to be a matching pixel point, and the matching pixel points in the multi-layer enhanced image are subjected to fitting processing of the remaining multiple matching pixel points after removing the isolated matching pixel points, so as to obtain the collection area corresponding to the connection terminal;

[0014] Secondly: construct a three-dimensional entity model corresponding to the terminal based on the depth of field values ​​corresponding to each pixel point in the acquisition area corresponding to the terminal, the coordinate values ​​corresponding to each pixel point in the acquisition area corresponding to the terminal, and the imaging focal length corresponding to the multi-layer enhanced image, determine the recognition volume corresponding to the terminal based on each model size data of the three-dimensional entity model, and when the difference between the recognition volume corresponding to the terminal and the entity volume corresponding to the terminal is greater than or equal to the set volume threshold, send a first recognition signal to determine that the terminal is blocked by the surrounding protective fence;

[0015] Again: the reference information conversion device is used to issue a notification message corresponding to that the terminal with exposed wire part is surrounded and protected by the surrounding protective fence when it is determined that the terminal is blocked by the surrounding protective fence; otherwise, it is used to issue a warning message corresponding to that the terminal with exposed wire part is not surrounded and protected by the surrounding protective fence, thereby performing intelligent analysis on the safety status of the terminal of the permanent magnet synchronous motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The embodiments of the present invention will be described below with reference to the accompanying drawings, wherein:

[0017] Figure 1 The figure is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to the first embodiment of the present invention.

[0018] Figure 2 It is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to a second embodiment of the present invention.

[0019] Figure 3 It is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to a third embodiment of the present invention. DETAILED DESCRIPTION

[0020] The embodiments of the safety protection identification system for a permanent magnet synchronous motor of the present invention will be described in detail below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to a first embodiment of the present invention. The system includes:

[0022] A live shooting device is arranged opposite to the connection terminals of the permanent magnet synchronous motor, and is used to perform shooting processing on the connection scene of the permanent magnet synchronous motor to obtain and output a corresponding live shooting picture;

[0023] A multi-layer enhancement device, connected to the live shooting device and comprising a first enhancement device, a second enhancement device and a third enhancement device, for continuously performing image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum value filtering processing on the received live shooting picture, so as to obtain and output a corresponding multi-layer enhanced picture;

[0024] A region extraction device, for determining that a certain pixel point in the received multi-layer enhanced image is a matching pixel point when the respective color component values ​​of the certain pixel point are respectively matched with the respective color component value intervals corresponding to the connection terminal, and performing fitting processing on the remaining plurality of matching pixel points after removing the isolated matching pixel points on the respective matching pixel points in the multi-layer enhanced image, so as to obtain a collection region corresponding to the connection terminal;

[0025] A depth of field analysis device, used to obtain the imaging focal length corresponding to the multi-layer enhanced image, and to obtain the depth of field values ​​corresponding to the pixel points in the acquisition area corresponding to the connection terminal;

[0026] a model processing device, connected to the region extraction device and the depth of field analysis device, respectively, for constructing a three-dimensional solid model corresponding to the wiring terminal based on the depth of field values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, the coordinate values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, and the imaging focal length corresponding to the multi-layer enhanced image, determining the recognition volume corresponding to the wiring terminal based on the model size data of the three-dimensional solid model, and when the difference between the recognition volume corresponding to the wiring terminal and the solid volume corresponding to the wiring terminal is greater than or equal to a set volume threshold, sending a first recognition signal to determine that the wiring terminal is blocked by the surrounding protective fence, otherwise, sending a second recognition signal to determine that the wiring terminal is not blocked by the surrounding protective fence;

[0027] an information conversion device connected to the model processing device, and configured to, upon receiving the first identification signal, issue a notification message corresponding to the connection terminal being surrounded by a surrounding protective fence, and also configured to, upon receiving the second identification signal, issue a warning message corresponding to the connection terminal not being surrounded by a surrounding protective fence;

[0028] Among them, the multi-layer enhancement device is connected to the live shooting device and includes a first enhancement device, a second enhancement device and a third enhancement device, which is used to continuously perform image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum filtering processing on the received live shooting picture to obtain and output the corresponding multi-layer enhanced picture, including: the first enhancement device is used to perform image content enhancement processing based on exponential transformation.

[0029] Figure 2 It is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to a second embodiment of the present invention.

[0030] and Figure 1 different, Figure 2 The safety protection identification system of the permanent magnet synchronous motor can also include the following components:

[0031] A wireless router device is wirelessly connected to the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, respectively, and is used to provide the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device with the wireless routing services they need;

[0032] Specifically, the wireless router device is wirelessly connected to the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device respectively, and is used to provide the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device with the wireless routing services they need respectively, including: the wireless router device has a built-in background management unit, a data receiving unit and a data sending unit;

[0033] The wireless router component is wirelessly connected to the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device respectively, and is used to provide the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device with the wireless routing services required by each of them, including: the wireless router component connects the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively;

[0034] The wireless router component connects the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively, including: the wireless router component provides different IP addresses for the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device respectively, so as to respectively connect the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network by using the different IP addresses;

[0035] The wireless router component connects the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively, including: the wireless router component detects and compares the signal strength of each WIFI network near the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device;

[0036] Among them, the wireless router component detects and compares the signal strength of each WIFI network near the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device, including: the wireless router component uses the WIFI network with the highest signal strength among the various WIFI networks near the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device as the WIFI network closest to the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device.

[0037] Figure 3 It is a schematic diagram of the internal structure of a safety protection identification system for a permanent magnet synchronous motor according to a third embodiment of the present invention.

[0038] and Figure 1 different, Figure 3 The safety protection identification system of the permanent magnet synchronous motor can also include the following components:

[0039] An ultra-clear camera device is arranged near the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, and is used to collect ultra-clear images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device;

[0040] Wherein, the ultra-high-definition camera device is arranged near the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, and is used to collect ultra-high-definition images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, including: the ultra-high-definition camera device is equipped with a photoelectric sensor unit and an ultra-high-definition lens, and is used to collect ultra-high-definition images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device;

[0041] Among them, the ultra-high-definition camera equipment has a built-in photoelectric sensor unit and an ultra-high-definition lens, which is used to capture ultra-high-definition images of the working scenes of the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device, including: the photoelectric sensor unit is a CMOS sensor unit or a CCD sensor unit.

[0042] In addition, in the safety protection identification system of the permanent magnet synchronous motor, the multi-layer enhancement device is connected to the on-site shooting device and includes a first enhancement device, a second enhancement device and a third enhancement device, and is used to continuously perform image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum value filtering processing on the received on-site shooting picture to obtain and output the corresponding multi-layer enhancement picture, and also includes: the second enhancement device is used to perform histogram equalization processing based on density function;

[0043] Among them, the multi-layer enhancement device is connected to the live shooting device and includes a first enhancement device, a second enhancement device and a third enhancement device, which is used to continuously perform image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum filtering processing on the received live shooting picture to obtain and output the corresponding multi-layer enhanced picture. It also includes: the third enhancement device is used to perform maximum filtering processing.

[0044] The permanent magnet synchronous motor safety protection identification system of the present invention can solve the technical problem in the prior art that it is impossible to accurately identify whether the terminal blocks with exposed wire parts of the permanent magnet synchronous motor are surrounded and protected by surrounding protective fences. It can intelligently determine whether the terminal blocks are blocked by surrounding protective fences based on multiple targeted screened visual data, and when it is determined that the terminal blocks are blocked by surrounding protective fences, it can issue corresponding notification information that the terminal blocks with exposed wire parts are surrounded and protected by surrounding protective fences, thereby improving the safety and reliability of the operation of the permanent magnet synchronous motor.

[0045] While the present invention has been particularly illustrated and described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made without departing from the spirit and scope of the invention as defined by the claims.

Claims

1. A safety protection identification system for a permanent magnet synchronous motor, characterized in that: The system comprises: A live shooting device is arranged opposite to the connection terminals of the permanent magnet synchronous motor, and is used to perform shooting processing on the connection scene of the permanent magnet synchronous motor to obtain and output a corresponding live shooting picture; A multi-layer enhancement device, connected to the live shooting device and comprising a first enhancement device, a second enhancement device and a third enhancement device, for continuously performing image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum value filtering processing on the received live shooting picture, so as to obtain and output a corresponding multi-layer enhanced picture; A region extraction device, for determining that a certain pixel point in the received multi-layer enhanced image is a matching pixel point when the respective color component values ​​of the certain pixel point are respectively matched with the respective color component value intervals corresponding to the connection terminal, and performing fitting processing on the remaining plurality of matching pixel points after removing the isolated matching pixel points on the respective matching pixel points in the multi-layer enhanced image, so as to obtain a collection region corresponding to the connection terminal; A depth of field analysis device, used to obtain the imaging focal length corresponding to the multi-layer enhanced image, and to obtain the depth of field values ​​corresponding to the pixel points in the acquisition area corresponding to the connection terminal; a model processing device, connected to the region extraction device and the depth of field analysis device, respectively, for constructing a three-dimensional solid model corresponding to the wiring terminal based on the depth of field values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, the coordinate values ​​corresponding to the pixel points of the acquisition region corresponding to the wiring terminal, and the imaging focal length corresponding to the multi-layer enhanced image, determining the recognition volume corresponding to the wiring terminal based on the model size data of the three-dimensional solid model, and when the difference between the recognition volume corresponding to the wiring terminal and the solid volume corresponding to the wiring terminal is greater than or equal to a set volume threshold, sending a first recognition signal to determine that the wiring terminal is blocked by the surrounding protective fence, otherwise, sending a second recognition signal to determine that the wiring terminal is not blocked by the surrounding protective fence; The information conversion device is connected to the model processing device and is used to send notification information corresponding to the connection terminal being surrounded and protected by a surrounding protective fence when the first recognition signal is received, and is also used to send warning information corresponding to the connection terminal not being surrounded and protected by a surrounding protective fence when the second recognition signal is received.

2. The safety protection and identification system for a permanent magnet synchronous motor according to claim 1, characterized in that: A multi-layer enhancement device is connected to the live shooting device and includes a first enhancement device, a second enhancement device and a third enhancement device, and is used to continuously perform image content enhancement processing based on exponential transformation, histogram equalization processing based on density function and maximum filtering processing on the received live shooting picture to obtain and output the corresponding multi-layer enhanced picture, including: the first enhancement device is used to perform image content enhancement processing based on exponential transformation.

3. The safety protection and identification system for a permanent magnet synchronous motor according to claim 2, characterized in that: The system further comprises: A wireless router device is wirelessly connected to the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, respectively, and is used to provide the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device with the wireless routing services they need; Among them, the wireless router component is wirelessly connected to the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device respectively, and is used to provide the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device with the wireless routing services they need respectively, including: the wireless router component connects the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively.

4. The safety protection and identification system for a permanent magnet synchronous motor according to claim 3, characterized in that: The wireless router device connects the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively, including: the wireless router device provides different IP addresses for the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device respectively, so as to use the different IP addresses to connect the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively.

5. The safety protection and identification system for a permanent magnet synchronous motor according to claim 4, characterized in that: The wireless router device connects the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device to the nearest WIFI network respectively, including: the wireless router device detects and compares the signal strength of each WIFI network near the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device.

6. The safety protection and identification system for a permanent magnet synchronous motor according to claim 5, characterized in that: The wireless router device detects and compares the signal strength of each WIFI network near the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device, including: the wireless router device uses the WIFI network with the highest signal strength among the WIFI networks near the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device as the WIFI network closest to the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device.

7. The safety protection and identification system for a permanent magnet synchronous motor according to claim 2, characterized in that: The system further comprises: The ultra-high-definition camera equipment is arranged near the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, and is used for collecting ultra-high-definition images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device.

8. The safety protection and identification system for a permanent magnet synchronous motor according to claim 7, characterized in that: An ultra-high-definition camera device is arranged near the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device, and is used for collecting ultra-high-definition images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device. The ultra-high-definition camera device includes: the ultra-high-definition camera device has a built-in photoelectric sensor unit and an ultra-high-definition lens, and is used for collecting ultra-high-definition images of the working scenes of the multi-layer enhancement device, the region extraction device, the depth of field analysis device and the model processing device.

9. The safety protection and identification system for a permanent magnet synchronous motor according to claim 8, characterized in that: The ultra-high-definition camera device has a built-in photoelectric sensor unit and an ultra-high-definition lens, which is used to capture ultra-high-definition images of the working scenes of the multi-layer enhancement device, the area extraction device, the depth of field analysis device and the model processing device, including: the photoelectric sensor unit is a CMOS sensor unit or a CCD sensor unit.

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