KR102448957B1 - A Slip Ring Module for Transmitting a Signal from a Camera Detecting an Operation of a Rotating Object and an Apparatus for Detecting an Abnormal Condition of the Same - Google Patents

Abstract

The present invention relates to a slip ring module for transmitting the signal of a camera detecting an operation of a rotating object and an apparatus for detecting an abnormal condition of the rotating object thereby. The slip ring module for transmitting the signal of the camera detecting the operation of the rotating object comprises: a hollow cylindrical stator (11); a rotor (12) which is coupled inside the stator (11) to be rotatable; a pair of rotor connection tools (13a, 13b) which connect the inside and outside of the rotor (12); and a pair of stator connection tools (14a, 14b) which are electrically connected with the pair of rotor connection tools (13a, 13b) and are connected with an external Ethernet communication device. The pair of rotor connection tools (13a, 13b) are connected to and communicate with a vision detection tool axially connected to the rotor (12). The present invention enables stable Ethernet communication between servers.

Description

A Slip Ring Module for Transmitting a Signal from a Camera Detecting an Operation of a Rotating Object and an Apparatus for Detecting an Abnormal Condition of the Same}

The present invention relates to a slip ring module for signal transmission of a rotating body operation detection camera and an apparatus for detecting abnormal states of a rotating body thereby, specifically, a rotating body for stably transmitting image data detected by a camera rotated together with a rotating body It relates to a slip ring module for signal transmission of a motion detection camera and an apparatus for detecting abnormality in a rotating body by the same.

A mechanical device, inspection device or similar device or device composed of various mechanical or electrical components may be operated according to a predetermined method. And when such a device or facility breaks down, a corresponding action is taken, and the device or facility can then operate normally. Errors or malfunctions of devices or equipment may appear in various forms, and for example, errors or malfunctions that occur intermittently and are restored to a normal state are difficult to detect unless the operating state of the device or equipment is continuously monitored. For the monitoring of abnormal conditions occurring in the operation process of the device or equipment, for example, a means for continuously acquiring video images, such as an IP camera, may be used. To this end, an IP camera may be installed at a predetermined position, whereby images of a predetermined part of the device or equipment may be continuously acquired. And the acquired image may be transmitted to a server for analysis through a repeater. The detection target may be a fixed body or a rotating body, and the camera needs to be rotated to detect the operating state of such a rotating body. When the camera needs to be rotated, it is difficult to stably transmit image data obtained from the camera, and a slip ring may be used for this purpose. Patent Registration No. 10-0875223 is a magnetic slip ring that can rotate indefinitely around the axis of rotation, and through this slip ring, it is a surveillance camera that can precisely correct and control the camera posture even when slipping caused by a minute external shock. start about. In addition, Patent Publication No. 10-2011-0139579 discloses a slip ring wireless interface device of a rotating camera in which the slip ring portion of the rotating camera is wirelessly connected. When image data continuously acquired by a detection means such as an IP camera needs to be transmitted, it has a disadvantage in that it is difficult to apply the rotating body structure presented in the prior art. Therefore, it is necessary to make a slip ring module for stably transmitting a plurality of different types of signals and a rotating body detection device to which such a structure is applied.

The present invention is to solve the problems of the prior art and has the following objects.

Prior Art 1: Patent Registration No. 10-0875223 (RBT, 2008.12.22. Announcement) Magnetic slip ring and surveillance camera equipped therewith Prior Art 2: Patent Publication No. 10-2011-0139579 (Telcom Korea, etc., published on December 29, 2011) Slip-ring wireless interface device for rotating camera

It is an object of the present invention to provide a slip ring module for signal transmission of a rotating body operation detection camera, which enables stable Ethernet communication between a rotating IP camera and a hub device, and an apparatus for detecting abnormal conditions in a rotating body.

According to a suitable embodiment of the present invention, the slip ring module for signal transmission of the rotating body operation detection camera is a hollow cylindrical stator (stator); a rotor rotatably coupled to the inside of the stator; a pair of loader connecting means for connecting the inside and outside of the rotor; A pair of stator connecting means is electrically connected to a pair of rotor connecting means and connected to an external Ethernet communication device, and the pair of rotor connecting means is connected to communicate with a vision detection means that is shaft-connected to the rotor.

According to another suitable embodiment of the present invention, the stator consists of at least two separable or engageable sub-stators, and a plurality of shaft coupling rings are formed on the circumferential surface of the rotor.

According to another suitable embodiment of the present invention, the rotating body abnormal state detection device is an IP camera; Jig bracket to which the rotation axis is coupled while fixing the IP camera; a slip ring module to which the rotating shaft is coupled; a hub device for transmitting image data of the IP camera transmitted from the slip ring module; And it includes an analysis module for detecting an abnormal state generated in the operation process of the rotating body from the image data transmitted from the hub device.

The slip ring module for signal transmission of the rotating body operation detection camera according to the present invention rotates together with the rotating body to detect the operating state of the rotating body, for example, an IP camera and a continuously transmitted video signal transmitted from an IP camera. It receives and analyzes to enable stable Ethernet communication between servers. The slip ring module according to the present invention enables signal transmission by a standard physical network interface such as, for example, an RJ45 connector. The rotating body abnormal state detection device according to the present invention enables the detection of abnormal states of various devices or facilities in which the abnormal state is difficult to detect while being repeatedly operated.

1 illustrates an embodiment of a slip ring module for signal transmission of a rotating body operation detection camera according to the present invention.
2 illustrates an embodiment of a signal transmission structure through Ethernet communication by a slip ring module according to the present invention.
Figure 3 shows an embodiment of the camera fixing bracket for detecting the operating state of the rotating body according to the present invention.
Figure 4 shows an embodiment of the rotating body abnormal state detection device according to the present invention.
5 is a view showing another embodiment of the rotating body abnormal state detection device according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so unless necessary for the understanding of the invention, the description will not be repeated and well-known components will be briefly described or omitted, but the present invention It should not be construed as being excluded from the embodiment of

1 illustrates an embodiment of a slip ring module for signal transmission of a rotating body operation detection camera according to the present invention.

Referring to Figure 1, the slip ring module for signal transmission of the rotating body operation detection camera is a hollow cylindrical stator (stator) (11); a rotor 12 rotatably coupled to the inside of the stator 11; A pair of rotor connecting means (13a, 13b) for connecting the inside and outside of the rotor (12); It includes a pair of stator connecting means (14a, 14b) connected to an external Ethernet communication device while being electrically connected to a pair of rotor connecting means (13a, 13b), and a pair of rotor connecting means (13a, 13b) is It is connected in communication with a vision detection means that is axially connected to the rotor 12 .

The stator 11 may have a hollow cylindrical shape as a whole, and may consist of a plurality of sub-stators. Specifically, the stator 11 may have a structure surrounding the rotor 12 , and may be formed of a sub-stator having a cylindrical shape as a whole. For example, the stator 11 may be formed of two sub-stators having the same or similar structure contacting each other at the contact lines 15a and 15b. Alternatively, the stator 11 may be composed of three or four sub-stators having the same or similar structure. A circular band-shaped coupling rim 111 protruding outward from one end of the stator 11 may be formed. The rotor 12 may be coupled to the cylindrical hole formed in the stator 11 , and the rotor 12 may have a cylindrical shape as a whole, and at least one signal induction unit may be disposed along the circumferential surface. The rotor 12 may have a cylindrical shape hollow in the longitudinal direction, and a rotating shaft may be coupled to the inside of the rotor 12 . The rotor 12 may be rotated by the rotation of the rotating shaft, and for example, the rotating shaft to which the detection camera is coupled is inserted into the rotor 12 and coupled to the rotor 12 to be rotated together with the rotor 12 . have. The detection camera may be connected to an external signal processing means, and the signal of the detection camera may be transmitted to the rotor 12 . Since the rotor 12 and the detection camera rotate together, signal transmission can be performed without twisting wires or cables for signal transmission, and for example, image data obtained by a surveillance camera can be transmitted to the rotor 12 . . Thereafter, signal transmission or image data is transmitted from the rotor 12 to the stator 11 , and may be transmitted from the stator 11 to a server for image image analysis through Ethernet communication. Electrical signals or power for actuation of the detection camera may also be transmitted in reverse of the path described above. A pair of rotor connection means 13a and 13b may be installed in the rotor 12 for such signal transmission or image data transmission, and a pair of stator connection means 14a and 14b may be installed in the stator 11 as well. can be formed. A pair of rotor connecting means 13a and 13b formed in the rotor 12 may extend from the inside of the rotor 12 to the outside, and may be connected to a detection camera. A pair of stator connecting means 14a and 14b formed in the stator 11 may extend from the inside of the stator 11 to the outside. In addition, the stator connecting means 14a and 14b inside the stator 11 may be electrically connected to the pair of rotor connecting means 13a and 13b. The pair of stator connecting means 14a and 14b rotates together with the rotor, and the pair of stator connecting means 14a and 14b may be connected to the pair of signal transmitting means in a fixed state. An embodiment of the connection structure between the stator 11 and the rotor 12 having such a structure will be described below.

2 illustrates an embodiment of a signal transmission structure through Ethernet communication by a slip ring module according to the present invention.

The upper part of FIG. 2 shows a cross-section in the longitudinal direction and the structure seen from the rotor direction of the slip ring module, and a circular coupling frame 16 can be coupled to the front circumferential surface of the rotor 12, and the coupling frame 16 A plurality of shaft coupling rings 17a to 17d of may be formed along the radial direction. For example, four shaft coupling rings 17a to 17d may be formed along the circumferential direction, and a fixing means such as a fixing bolt is coupled to the shaft coupling rings 17a to 17d so that the rotating shaft is coupled to the rotor 12 . can A communication connector may be connected to one rotor connection means (eg 13a) and one stator connection means (eg 14a), for example, an RJ45 connector may be connected. The detection camera may be an IP camera, and one rotor connection means (eg, 13a) may be connected to the IP camera. And one stator connection means (eg, 14a) may be connected to the hub device for Ethernet communication. Accordingly, image data acquired by the IP camera may be transmitted to the server via the hub device through Ethernet communication. The other signal transmission means (eg 13b) and the other stator connection means (eg 14b) may be a power supply line or a cable for controlling operation of an IP camera. Referring to the lower part of FIG. 2 , power may be supplied to the electrical contacts S11 and S12 to which the stator 11 and the rotor 12 are electrically connected to the power supply S, or a control signal or a status signal may be transmitted. In addition, the first and second standard communication connectors 21a and 21b such as an RJ connector may be connected to the connection ports of the hub device and the IP camera for Ethernet communication, respectively. In addition, the communication signal may be connected to each other through communication contacts TR_1 and TR_n through which the stator 11 and the rotor 12 are connected so that communication is possible. A plurality of communication contacts TR_1 to TR_n electrically shielded from each other by the shielding units 25a to 25k may be formed on the rotor 12, and a plurality of connections of the first and second standard communication connectors 21a and 21b A communication line connected to the pin may be connected to each of the communication contacts TR_1 to TR_n. A plurality of separate rotation units 22a to 22n and 23a to 23n may be formed inside the rotor 12 . Each of the separate rotation units 22a to 23n is rotatable, and a communication wire can be wound around the circumferential surface of the separate rotation units 22a to 23n. A signal may be transmitted to the at least one communication contact point TR_1 to TR_n through the wound communication wire of the separation rotation unit 22a. Signal transmission between the rotating rotor 12 and the fixed stator 11 may be transmitted in various ways and is not limited to the presented embodiment.

Figure 3 shows an embodiment of the camera fixing bracket for detecting the operating state of the rotating body according to the present invention.

Referring to FIG. 3 , the IP camera may be coupled to the jig bracket 31 and rotate according to the rotation of the rotation shaft 34 . The jig bracket 31 may have a structure capable of accommodating the body of the IP camera, for example, may have a rectangular box shape with an open front surface. A fastening cylinder 33 may be formed on the rear surface of the jig bracket 31 , and the rotating shaft 34 may be coupled to the fastening cylinder 33 . In addition, a plurality of coupling tabs 32a and 32b are formed on the rear surface of the jig bracket 31, and the IP camera is connected to the jig bracket 31 by fixing means such as bolts or pins coupled to the coupling tabs 32a and 32b. can be fixed to By the IP camera coupled to the jig bracket 31 as described above, an abnormal state generated during the operation of the rotating body may be detected.

Figure 4 shows an embodiment of the rotating body abnormal state detection device according to the present invention.

Referring to Figure 4, the rotating body abnormal state detection device includes an IP camera (CA); The jig bracket 31 to which the rotation shaft 34 is coupled while fixing the IP camera CA; Slip ring module 10 to which the rotation shaft 14 is coupled; a hub device 45 for transmitting image data of the IP camera CA transmitted from the slip ring module 10; and an analysis module 46 for detecting an abnormal state generated in the operation process of the rotating bodies 41 and 42 from the image data transmitted from the hub device 45 .

The rotating bodies 41 and 42 may be an element of a device or equipment for rotating a workpiece, or may be a workpiece, for example, a workpiece such as a battery, but is not limited thereto. Rotating bodies 41 and 42 are the first rotating body 41 and the first rotating body 41 located at the lower portion and rotating at the same or different speed as the second rotating body located above the first rotating body (41) It may be made of a rotating body (42). A first processing device 43 , such as a circular cutter, or a second processing device 44 , such as a beading facility for beading a processing site, may be disposed on the circumferential surface of the rotating body 41 , 42 . The rotating bodies 41 and 42 may be processed by the first and second processing devices 44 and 44 while being rotated along the rotational direction R. A plurality of workpieces can be continuously machined, and the machining state of each workpiece and the operation status of the first and second machining devices 43 and 44 accordingly need to be detected, and when an abnormal condition occurs, it is to be detected. There is a need. To this end, it is necessary to detect the state of the first and second rotating bodies 41 and 42 or the workpiece while the IP camera CA rotates together with the first and second rotating bodies 41 and 42 . The IP camera CA may be rotated along the rotation direction R together with the rotating bodies 41 and 42 , and the rotating shaft 34 rotates in synchronization with the drive shafts of the first and second rotating bodies 41 and 42 . can be The projected image acquired by the IP camera CA may be transmitted to the analysis module 46 via the hub device 45 through the slip ring module 10 to which the rotation shaft 34 is coupled. Ethernet communication is possible between the IP camera (CA) and the hub device 45 by the slip ring module 10, and the analysis module 46 receives the first and second rotating bodies 41 and 42 from the continuously transmitted video images. ), it is possible to detect an abnormal state occurring in the operation process or an abnormal state occurring in the workpiece. The first and second rotating bodies 41 and 42 may be, for example, a lower housing and an upper housing that are divided based on the circumferential surface of the cylindrical battery, and are joined by the first and second processing devices 43 and 44 . This can be processed. The analysis module 46 may analyze successive video images based on an artificial intelligence algorithm to detect whether an abnormal state occurs. If it is detected that an abnormal condition has occurred, the image may be captured and stored together with related information.

Various rotating bodies or workpieces may be the target of abnormal state detection by the slip ring module 10 and the IP camera according to the present invention, and the IP camera CA may be installed in various structures depending on the structure of the rotating body or the workpiece. have.

5 is a view showing another embodiment of the rotating body abnormal state detection device according to the present invention.

Referring to FIG. 5 , the operating state of the rotating operating devices 57a and 57b installed inside the facility 51 having a closed structure may be detected by the IP camera CA. The rotating actuating device 57a , 57b can be rotated by the rotating block 53 which is rotated with respect to the fixed block 52 . For example, the rotating block 53 may have a rotating table structure, and may be rotated by an appropriate driving means. The rotation block 53 may be in the shape of a disk as a whole, and at least one rotary actuating device 57a, 57b may be rotated along the rotary block 53, and the operating state of the rotary actuating device 57a, 57b may be changed. It can be detected by an IP camera (CA). The IP camera CA may be rotated in synchronization with the rotation block 53 , and for this purpose, a fixed shaft 56 may be formed at a position corresponding to the central portion of the rotation block 53 , and the fixed shaft 56 ) may be coupled to the rotation monitoring block 55 corresponding to the slip ring module described above. The rotation monitoring block 55 may be in the shape of a drum rotated about the fixed shaft 56 as a central axis, and the arrangement block 56 protruding outward in the radial direction is formed on the circumferential surface of the rotation monitoring block 55 . can be An IP camera CA may be installed in the placement block 56 . In this structure, when the rotation block 53 is rotated along the rotation operation direction R1, the rotation operation devices 57a and 57b can be rotated accordingly. In addition, as the rotation monitoring block 55 is rotated along the rotation monitoring direction R2, the IP camera is rotated together with the rotation operation devices 57a and 57b to continuously generate detection images and transmit them to the hub device in real time. The IP camera CA is installed in the rotation monitoring block 55 having a slip ring module structure, so that detection images can be continuously transmitted to the hub device in real time without twisting the transmission cable during the rotation process. The abnormal state detection apparatus according to the present invention may be applied to various rotational operation structures, and the present invention is not limited thereto.

Although the present invention has been described in detail with reference to the presented embodiments, those skilled in the art can make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such variations and modifications, but only by the claims appended hereto.

11: stator 12: rotor
13a, 13b: rotor connection means 14a, 14b: stator connection means
17a, 17b: shaft coupling ring 31: jig bracket
45: hub device 46: analysis module

Claims (3)

delete delete IP Camera (CA);
The jig bracket 31 to which the rotation shaft 34 is coupled while fixing the IP camera CA;
Slip ring module 10 to which the rotation shaft 34 is coupled;
a hub device 45 for transmitting image data of the IP camera CA transmitted from the slip ring module 10; and
Rotating body abnormal state detection apparatus including an analysis module 46 for detecting an abnormal state generated in the operation process of the rotating body (41, 42) from the image data transmitted from the hub device (45).

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