JP2018133917A - Radio monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radio monitoring device which simplifies the structure of explosion proof container, excellent in manufacturability, and capable of dealing even with explosion proof container of different type of internal capacity.SOLUTION: A radio monitoring device 11 includes an explosion proof container 21, a wiring section 22 and a radio monitoring device body 63. The explosion proof container 21 has trunk 30 formed of a pipe 36 opening in the axial direction, a partition plate 33 for partitioning the interior of the trunk 30 into a wiring chamber 34 on one end side in the axial direction, and an apparatus chamber 35 on the other end side, a wiring cover 28 for closing the one end side of the trunk 30, and an apparatus cover 29 for closing the other end side thereof. The wiring section 22 is disposed in the wiring chamber 34 of the explosion proof container 21, and is connected with a transmission line for transmitting a motor operation monitoring signal pulled into the wiring chamber 34. The radio monitoring device body 63 is disposed in the apparatus chamber 35 of the explosion proof container 21, acquires monitoring information according to the motor operation monitoring signal, and transmits the monitoring information wirelessly to a radio base station.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a wireless monitoring device that wirelessly transmits a motor operation monitoring signal.

  2. Description of the Related Art Conventionally, there is a radio monitoring device in which a radio that wirelessly transmits cand motor bearing wear information to the outside is disposed in a terminal box provided integrally with the cand motor. This terminal box includes a device room that accommodates devices including a radio and a terminal chamber that connects a power line and a signal line, and the device room and the terminal room are separated from each other inside. And, in the terminal box, the equipment room side container constituting the equipment room, the terminal room side container constituting the terminal room, and the partition parts for partitioning between the equipment room side container and the terminal room side container are combined. An explosion-proof container is used (for example, refer to Patent Document 1).

  However, the explosion-proof container in which the equipment room and the terminal room are separated from each other is often made of a casting and has a complicated shape. Therefore, the structure is complicated, the productivity is poor, and the types having different contents are used. When creating an explosion-proof container, a new casting mold is required and cannot be easily handled.

JP 2007-135366 A

  An object of the present invention is to provide a wireless monitoring device in which the structure of an explosion-proof container is simplified, the manufacturability is good, and the explosion-proof containers of different types can be easily accommodated.

  The wireless monitoring device according to claim 1 is a body portion formed by a pipe that opens in an axial direction, a partition plate that partitions the inside of the body portion into a wiring chamber on one end side in the axial direction and a device chamber on the other end side, the body An explosion-proof container having a wiring cover that closes one end side of the part, and an equipment cover that closes the other end side of the body part, and a motor operation monitor disposed in the wiring chamber of the explosion-proof container and drawn into the wiring room A monitoring unit is provided in the wiring unit to which a transmission line for transmitting a signal is connected and the equipment room of the explosion-proof container and acquires monitoring information corresponding to the motor operation monitoring signal input to the wiring unit. Is provided with a wireless monitoring device main body that wirelessly transmits to the wireless base station.

  The wireless monitoring device according to claim 2 is a body part formed by a pipe that opens in the axial direction, a partition plate that partitions the inside of the body part into a wiring chamber on one end side in the axial direction and a device room on the other end side, the body An explosion-proof container having a wiring cover that closes one end side of the part, and an equipment cover that closes the other end side of the body part, and a motor operation monitor disposed in the wiring chamber of the explosion-proof container and drawn into the wiring room A wireless monitoring device main body that is provided in a wiring section to which a transmission line for transmitting a signal is connected, and that is provided in the equipment room of the explosion-proof container and that acquires monitoring information corresponding to the motor operation monitoring signal input to the wiring section. And a wireless communication unit that wirelessly transmits the monitoring information acquired by the wireless monitoring device main body.

  According to a third aspect of the present invention, in the wireless monitoring device according to the first or second aspect, the body is cylindrical, and a plurality of inlets for drawing the transmission line into the wiring chamber are provided on a peripheral surface thereof. It is what you have.

  According to a fourth aspect of the present invention, in the wireless monitoring device according to the third aspect, the body portion includes a plurality of retracting cylinder portions that communicate with the drawing port and project in parallel from the body portion. Is.

  The wireless monitoring device according to claim 5 is the wireless monitoring device according to any one of claims 1 to 4, wherein the explosion-proof container is placed on the installation surface so that an axial direction of the explosion-proof container is parallel to the installation surface. Is provided with a mounting base to be attached to.

  According to a sixth aspect of the present invention, in the wireless monitoring device according to the first aspect, the device cover includes a wireless passage unit through which radio passes, and the main body of the wireless monitoring device includes an antenna that transmits and receives radio. The antenna is disposed opposite to the wireless passage portion of the device cover.

  The wireless monitoring device according to claim 7 is the wireless monitoring device according to any one of claims 1 to 6, wherein the motor operation monitoring signal includes a bearing wear monitoring signal of a motor, and the equipment chamber of the explosion-proof container includes And a bearing wear monitoring signal converter that converts the bearing wear monitoring signal input to the wiring portion into the monitoring information and outputs the monitoring information to the wireless monitoring device main body.

  According to the wireless monitoring device of the first aspect, since the explosion-proof container has a body portion formed of a pipe, the structure of the explosion-proof container is simplified, the manufacturability is good, and the explosion-proof container of a different content is used. Can be easily handled.

  According to the wireless monitoring device of the second aspect, since the explosion-proof container has a body portion formed by a pipe, the structure of the explosion-proof container is simplified, the manufacturability is good, and the explosion-proof container of a different content is used. Can be easily handled.

  According to the wireless monitoring device of the third aspect, in addition to the effect of the wireless monitoring device of the first or second aspect, the inlet can be provided in the cylindrical body at any angle in the circumferential direction.

  According to the wireless monitoring device of the fourth aspect, in addition to the effect of the wireless monitoring device of the third aspect, a plurality of transmission lines are provided even if a plurality of inlets are provided on the peripheral surface of the cylindrical body. It is possible to align a plurality of transmission lines with a constant pull-in direction.

  According to the wireless monitoring device of the fifth aspect, in addition to the effect of the wireless monitoring device according to any one of the first to fourth aspects, the stability of the installation of the explosion-proof container can be ensured.

  According to the wireless monitoring device of the sixth aspect, in addition to the effect of the wireless monitoring device of the first aspect, the wireless communication performance can be improved.

  According to the wireless monitoring device of the seventh aspect, in addition to the effect of the wireless monitoring device according to any one of the first to sixth aspects, the equipment chamber of the explosion-proof container is provided with a bearing wear monitoring signal converter, which is input to the wiring portion. The bearing wear monitoring signal of the motor can be converted into monitoring information and transmitted wirelessly.

It is sectional drawing of the radio | wireless monitoring apparatus which shows the 1st Embodiment of this invention. It is an exploded sectional view of the explosion-proof container of the same wireless monitoring device. It is the right view which removed the wiring cover of the radio | wireless monitoring apparatus same as the above. It is sectional drawing of FIG. 1A-A view of a radio | wireless monitoring apparatus same as the above. It is the left view which removed the apparatus cover of the radio | wireless monitoring apparatus same as the above. It is a front view of a radio | wireless monitoring apparatus same as the above. It is a right view of a radio | wireless monitoring apparatus same as the above. It is a left view of a radio | wireless monitoring apparatus same as the above. It is a block diagram of the radio | wireless monitoring system using a radio | wireless monitoring apparatus same as the above. It is a block diagram of the radio | wireless monitoring system using the radio | wireless monitoring apparatus which shows the 2nd Embodiment of this invention.

  A first embodiment of the present invention will be described below with reference to FIGS.

  First, FIG. 9 shows a configuration diagram of the wireless monitoring system.

  The wireless monitoring system enables the wireless monitoring device 11 to remotely monitor the operating state of the canned motor pump 10.

  The canned motor pump 10 includes a motor and a pump rotated by the motor. The motor includes a rotating shaft that is rotatably supported by a bearing, a rotor provided on the rotating shaft, a stator provided on a casing facing the periphery of the rotor, and the like. Various sensors for detecting an operation state are attached to the motor or the like, and motor operation monitoring signals are output from the various sensors. The motor operation monitoring signal includes a bearing wear monitoring signal corresponding to the wear state of the bearing. Further, the bearing wear monitoring signal includes a radial bearing wear monitoring signal and an axial bearing wear monitoring signal of the bearing. The canned motor pump 10 may include a meter 12 that inputs a bearing wear monitoring signal and displays a bearing wear state.

  The wireless monitoring device 11 is separate from the canned motor pump 10 and is installed in the explosion-proof area together with the canned motor pump 10. In the wireless monitoring device 11, a plurality of canned motor pumps 10 are connected by each transmission line 13, and a motor operation monitoring signal from each canned motor pump 10 is transmitted by each transmission line 13.

  The wireless monitoring device 11 acquires monitoring information corresponding to the transmitted motor operation monitoring signal, and wirelessly communicates this monitoring information to the outside through a mobile communication line (telephone line). That is, the wireless monitoring device 11 wirelessly transmits the monitoring information to the wireless base station 14 of the mobile communication line (telephone line). As a result, the monitoring information is sent via the radio base station 14 to the data center 15 that manages the monitoring information, and an e-mail in which the monitoring information is described is sent from the data center 15 through the network 16 such as the Internet. Are transmitted to the mobile terminal 17 and the personal computer 18. Therefore, the administrator or the like can confirm the monitoring information by e-mail or the like transmitted from the data center 15, and can grasp the operating state of the canned motor pump 10.

  Next, the wireless monitoring device 11 is shown in FIGS.

  The wireless monitoring device 11 includes an explosion-proof container 21, a wiring part 22 and a device part 23 accommodated in the explosion-proof container 21, a mounting base 24 for attaching the explosion-proof container 21 to an installation surface, and the like. In the present embodiment, the wireless monitoring device 11 is attached to an installation surface that is a horizontal surface such as a floor, and the axial direction of the explosion-proof container 21 is parallel to the installation surface, that is, the explosion-proof container 21. It is installed so that its axial direction is horizontal.

  The explosion-proof container 21 includes a cylindrical container body 27, a wiring cover 28 that closes one end side of the container body 27, and a device cover 29 that closes the other end side of the container body 27.

  The container body 27 is made of metal, and has a cylindrical body 30, cylindrical attachment parts 31 and 32 fixed to both ends of the body 30 by welding or the like, and is fixed to the inside of the body 30 by welding or the like. The partition plate 33 is provided. The interior of the body portion 30 is partitioned by a partition plate 33 into a wiring chamber 34 on one end side and a device chamber 35 on the other end side.

  The body 30 is formed by a cylindrical pipe 36 that opens in the axial direction. The pipe 36 has the same shape in the axial direction, and has an outer diameter and an inner diameter that are the same in the axial direction.

  On the peripheral surface of the trunk portion 30, a plurality of inlets 37 for communicating with the wiring chamber 34 and for drawing the transmission line 13 into the wiring chamber 34 are provided. The plurality of inlets 37 are provided on both sides of the circumferential surface of the body portion 30 so as to be spaced apart in the circumferential direction and arranged in a line along the circumferential direction. Further, on both sides of the peripheral surface of the trunk portion 30, there are provided a plurality of drawing cylinder portions 38 that respectively communicate with the drawing port 37 and project in parallel from the trunk portion 30. These lead-in cylinder portions 38 are parallel to the installation surface, that is, protrude in the horizontal direction, and the transmission line 13 to be drawn into the lead-in port 37 is inserted, and the transmission line 13 is fixed to the lead-in cylinder portion 38. An attachment member (not shown) for closing the door is attached. Note that the inlet 37 is not limited to the both sides of the body part 30 and may be provided anywhere in the circumferential direction of the body part 30 such as the upper surface side of the body part 30. Further, the retractable cylinder portion 38 may be provided in any direction, for example, in the radial direction from the center of the trunk portion 30.

  At the upper part of the body part 30, when installing the wireless monitoring device 11, a hanging part 39 for hanging and moving the wireless monitoring device 11 is provided.

  The attachment portions 31 and 32 are cylindrical and have fitting portions 40 and 41 for fitting the end portions of the body portion 30. The inner peripheral side of the trunk portion 30 is fitted to the fitting portions 40 and 41. And the outer peripheral side of the trunk | drum 30 and the attaching parts 31 and 32 are being fixed by welding. A plurality of screw holes 42 and 43 are formed on the end surfaces of the attachment portions 31 and 32.

  The partition plate 33 has a disc shape and has a wiring hole 44 that penetrates the partition plate 33 and communicates the wiring chamber 34 and the device chamber 35. The wiring hole 44 is provided on the upper side of the partition plate 33.

  Further, the wiring cover 28 is made of metal and is formed in a disc shape, and has a cylindrical fitting portion 45 that fits inside the mounting portion 31 of the container body 27, and an end surface of the mounting portion 31 of the container body 27. And a flange portion 46 which abuts on the. The flange portion 46 is provided with a plurality of insertion holes 47 corresponding to the positions of the screw holes 42 of the attachment portion 31 of the container body 27. The wiring cover 28 is fixed to one end side of the container body 27 so as to close the wiring chamber 34 by screwing a plurality of bolts 48 into the screw holes 42 through the insertion holes 47.

  The device cover 29 is made of metal and is formed in a disc shape, and has a cylindrical fitting portion 49 that fits inside the attachment portion 32 of the container body 27, and an end surface of the attachment portion 32 of the container body 27. Has a flange portion 50 that abuts against. The flange portion 50 is provided with a plurality of insertion holes 51 corresponding to the positions of the screw holes 43 of the attachment portion 32 of the container body 27. The device cover 29 is fixed to the other end side of the container body 27 so as to close the device chamber 35 by screwing a plurality of bolts 52 into the screw holes 43 through the insertion holes 51.

  A circular window hole 53 is formed in the center of the device cover 29, and a glass window 54 is disposed inside the window hole 53 so as to close the window hole 53. The window hole 53 and the glass window 54 of the device cover 29 constitute a wireless passage part 55 through which radio waves pass.

  In addition, the wiring section 22 disposed in the wiring chamber 34 of the explosion-proof container 21 includes a terminal block 57 that electrically connects the transmission line 13 drawn into the wiring chamber 34. The terminal block 57 includes a plurality of connection terminals 58. The plurality of connection terminals 58 are arranged in the longitudinal direction and are arranged in two rows in a direction perpendicular to the longitudinal direction. The terminal block 57 is attached to the central portion below the wiring hole 44 of the partition plate 33 with the longitudinal direction set in the horizontal direction so that two rows of connection terminals 58 are arranged vertically.

  Each transmission line 13 drawn into the wiring chamber 34 is connected to the plurality of connection terminals 58 on the lower side of the terminal block 57, and connected to the connection terminal 58 on the lower side of the terminal block 57 to the plurality of connection terminals 58 on the upper side. A connection line 59 for electrically connecting the transmission line 13 and the device unit 23 side is connected.

  The connection line 59 is inserted into the wiring hole 44 of the partition plate 33 and attached to the partition plate 33 in a state where the wiring hole 44 is closed by the attachment member 60.

  The equipment unit 23 disposed in the equipment room 35 of the explosion-proof container 21 includes a bearing wear monitoring signal converter 62, a radio monitoring device main body 63, an antenna 64, and the like. Further, the device unit 23 has a power supply unit (not shown) for inputting external power and supplying power to the bearing wear monitoring signal converter 62 and the radio monitoring device main body 63. External power is supplied to the power supply unit through a power line drawn into the wiring chamber 34 of the explosion-proof container 21.

  The bearing wear monitoring signal converter 62 inputs a bearing wear monitoring signal as a motor operation monitoring signal and converts it into monitoring information including information on the degree of bearing wear, for example. Two bearing wear monitoring signal converters 62 are used for processing the radial bearing wear monitoring signal and for processing the axial bearing wear monitoring signal. The bearing wear monitoring signal converter 62 is attached to the central portion below the wiring hole 44 of the partition plate 33 so as to be aligned in the horizontal direction. The bearing wear monitoring signal converter 62 is electrically connected to a connection line 59 that is inserted into the device chamber 35.

  The wireless monitoring device main body 63 is attached to the main body mounting base 65 and is disposed between the bearing wear monitoring signal converter 62 and the device cover 29. The main body mounting base 65 is supported on the partition plate 33 by a plurality of rods 66. The wireless monitoring device main body 63 has a wireless communication unit for performing wireless communication with the wireless base station 14 of the mobile communication line (telephone line), a control unit for processing data and controlling wireless communication, and the like. .

  The antenna 64 is connected to the radio communication unit of the radio monitoring device body 63, and transmits radio waves transmitted from the radio communication unit to the radio base station 14, and receives radio waves transmitted from the radio base station 14. To the wireless communication unit. The antenna 64 is attached to the antenna base 67 and is disposed between the wireless monitoring device main body 63 and the device cover 29. The antenna base 67 is supported on the main body mounting base 65 with a plurality of rods 68. The antenna 64 is disposed at a position facing and close to the glass window 54.

  The mounting base 24 is connected to the mounting portions 31 and 32 at both ends of the body portion 30 and supports the explosion-proof container 21. The mounting base 24 attaches the explosion-proof container 21 to the installation surface so that the axial direction of the explosion-proof container 21 is parallel to the installation surface. In the present embodiment, the wireless monitoring device 11 is installed on an installation surface that is a horizontal surface such as a floor surface, and the axial direction of the explosion-proof container 21 is parallel to the installation surface, that is, the explosion-proof container. Install so that the axial direction of 21 is horizontal.

  The wireless monitoring device 11 is installed in an explosion-proof area where the canned motor pump 10 is installed.For example, the transmission lines 13 from the multiple canned motor pumps 10 are drawn into the explosion-proof container 21 and connected to the terminal block 57, A motor operation monitoring signal (bearing wear monitoring signal) of each canned motor pump 10 can be input.

  In the wireless monitoring device 11, the motor operation monitoring signal (bearing wear monitoring signal) input from each canned motor pump 10 is converted into monitoring information by the bearing wear monitoring signal converter 62, and this monitoring information is converted into the wireless monitoring device main body 63. Radio transmission is performed toward the radio base station 14 by the radio communication unit having the antenna 64. As a result, the monitoring information is sent to the data center 15 that manages the monitoring information via the radio base station 14, and an e-mail in which the monitoring information is described from the data center 15 is sent to the portable terminal such as the administrator via the network 16. Sent to 17 or PC 18. Therefore, the administrator or the like can check the monitoring information by an e-mail or the like transmitted from the data center 15, and can grasp the operating state of each canned motor pump 10.

  Since the wireless monitoring device 11 of the present embodiment has an explosion-proof structure, it can be installed in an explosion-proof area that is a dangerous place.

  Since the explosion-proof container 21 of the wireless monitoring device 11 includes the trunk portion 30 formed by the pipe 36, the structure of the explosion-proof container 21 is simplified and the manufacturability is good. Furthermore, even when creating explosion-proof containers 21 with different contents, simply changing the length of the pipe 36 in the axial direction allows other parts to be shared. Yes.

  In addition, since the barrel portion 30 formed by the pipe 36 is cylindrical, a drawing port 37 for drawing the wiring such as the transmission line 13 can be provided at any angular position in the circumferential direction of the barrel portion 30. The degree of freedom of wiring can be increased.

  In addition, a plurality of lead-in cylinder portions 38 that communicate with the respective lead-in ports 37 are provided in the trunk portion 30 so as to be parallel to the trunk portion 30, so that the direction in which the plurality of transmission lines 13 and the like are drawn is constant. The wirings such as a plurality of transmission lines 13 can be aligned.

  In addition, because the mounting base 24 attaches the explosion-proof container 21 to the installation surface so that the axial direction of the explosion-proof container 21 is parallel to the installation surface, the installation stability of the explosion-proof container 21 must be ensured. Can do.

  Further, since the antenna 64 of the wireless monitoring device main body 63 is disposed opposite to the wireless passage portion 55 of the device cover 29, that is, the glass window 54, the antenna 64 of the wireless monitoring device main body 63 is accommodated in the metal explosion-proof container 21. However, wireless communication performance can be ensured.

  Further, the bearing wear monitoring signal converter 62 disposed in the equipment chamber 35 of the explosion-proof container 21 can convert the motor bearing wear monitoring signal input to the wiring portion 22 into monitoring information and output it to the radio monitoring device main body 63.

  In addition, various sensors such as a temperature sensor and a vibration sensor are attached to the motor portion of the canned motor pump 10, and detection signals from these various sensors are transmitted to the wireless monitoring device 11 as motor operation monitoring signals. Monitoring information including temperature information and vibration information may be transmitted wirelessly.

  Next, FIG. 10 shows a second embodiment. In addition, about the same structure as 1st Embodiment, the description about the structure and effect is abbreviate | omitted using the same code | symbol.

  FIG. 10 is a configuration diagram of a wireless monitoring system using the wireless monitoring device 11. The wireless monitoring device 11 includes an explosion-proof container 21 as in the first embodiment, is installed in an explosion-proof area together with the canned motor pump 10, and is connected to, for example, a Wi-Fi LAN 70 (network 16) constructed in a non-explosion-proof area. -It is wirelessly connected by a wireless LAN such as Fi (registered trademark).

  The wireless monitoring device 11 has a signal processing unit 71, a data processing / communication control unit 72, and a power supply unit 73, which are the device unit 23 disposed in the device room 35 of the explosion-proof container 21, and the outside of the explosion-proof container 21. The wireless communication unit (first wireless communication unit) 74 is provided. The radio monitoring device main body 63 is configured by the signal processing unit 71, the data processing / communication control unit 72, and the like.

  The signal processing unit 71 includes a bearing wear monitoring signal converter 62 that processes a bearing wear monitoring signal, and various conversion units that convert signals from various sensors 75 into predetermined monitoring information.

  The data processing / communication control unit 72 receives the monitoring information from the signal processing unit 71 and transmits the monitoring information by the wireless communication unit 74 or processes the information received by the wireless communication unit 74.

  The power supply unit 73 receives an external power supply and converts it into a predetermined supply power supplied to the signal processing unit 71 and the data processing / communication control unit 72.

  The wireless communication unit 74 is a wireless LAN access point such as Wi-Fi (registered trademark) having an explosion-proof structure, and includes a wireless communication unit and an antenna. The wireless communication unit 74 is connected to the data processing / communication control unit 72 in the explosion-proof container 21 by a wired LAN 76.

  Further, the second wireless communication unit 77 is connected to the in-house LAN 70 by a wired LAN 78, and the second wireless communication unit 77 is capable of wireless communication with the wireless communication unit 74 of the wireless monitoring device 11 through the wireless LAN. The second wireless communication unit 77 is a wireless LAN access point such as Wi-Fi (registered trademark) having an explosion-proof structure, and has a wireless communication unit and an antenna. Note that the second wireless communication unit 77 is installed in the explosion-proof area, but may be installed in the non-explosion-proof area as long as wireless communication with the wireless communication unit 74 is possible.

  A data center 15 and a personal computer 18 are connected to the in-house LAN 70. For example, the specific monitoring personal computer 18 can communicate with the wireless monitoring device 11 to acquire monitoring information from the wireless monitoring device 11.

  Then, the wireless monitoring device 11 processes the motor operation monitoring signal including the bearing wear monitoring signal and the like input from each of the canned motor pumps 10, and the processed monitoring information is transmitted from the wireless communication unit 74 to the second wireless communication via the wireless LAN. Wireless transmission to unit 77. The monitoring information received by the second wireless communication unit 77 is transmitted to the monitoring personal computer 18 through the in-house LAN 70, and the personal computer 18 can check the monitoring information.

  In the second embodiment, the wireless communication unit 74 is disposed outside the explosion-proof container 21, but the wireless communication unit 74 is disposed in the explosion-proof container 21 as in the first embodiment. May be.

  In addition, the wireless communication unit and the antenna 64 of the wireless monitoring device main body 63 of the first embodiment are arranged outside the explosion-proof container 21 as in the second embodiment, and wireless monitoring in the explosion-proof container 21 is performed. You may make it connect with the apparatus main body 63. FIG.

  In each of the above-described embodiments, the pipe 36 is not limited to a cylindrical shape as long as it has the same shape in the axial direction, and may have a rectangular tube shape or the like.

  The wireless monitoring device 11 is not limited to the canned motor pump 10 and may receive motor operation monitoring signals detected by various sensors provided in other various motors and wirelessly transmit the monitoring information.

11 Wireless monitoring device
13 Transmission line
14 Radio base station
21 Explosion-proof container
22 Wiring section
24 Mounting base
28 Wiring cover
29 Equipment cover
30 Torso
33 divider
34 Wiring room
35 Equipment room
36 pipes
37 service entrance
38 Retractable cylinder
55 Wireless passage
62 Bearing wear monitoring signal converter
63 Wireless monitoring device
64 antenna
74 Wireless communication unit

The wireless monitoring device according to claim 1 is a trunk portion formed by a pipe having an opening in the axial direction and having the same shape in the axial direction. An explosion-proof container having a partition plate for partitioning, a wiring cover for closing one end side of the body part, and a device cover for closing the other end side of the body part, and disposed in the wiring chamber of the explosion-proof container, A wiring unit to which a transmission line for transmitting a motor operation monitoring signal drawn into the wiring room is connected, and a monitoring according to the motor operation monitoring signal disposed in the device room of the explosion-proof container and input to the wiring unit A radio monitoring apparatus main body that acquires information and wirelessly transmits the monitoring information to the radio base station is provided.

The wireless monitoring device according to claim 2 is a trunk portion formed by a pipe having an opening in the axial direction and having the same shape in the axial direction. An explosion-proof container having a partition plate for partitioning, a wiring cover for closing one end side of the body part, and a device cover for closing the other end side of the body part, and disposed in the wiring chamber of the explosion-proof container, A wiring unit to which a transmission line for transmitting a motor operation monitoring signal drawn into the wiring room is connected, and a monitoring according to the motor operation monitoring signal disposed in the device room of the explosion-proof container and input to the wiring unit A wireless monitoring device main body that acquires information and a wireless communication unit that wirelessly transmits the monitoring information acquired by the wireless monitoring device main body.

The wireless monitoring device according to claim 1, wherein a trunk portion formed by a pipe having an axially open shape and the same shape in the axial direction, a cylindrical attachment portion welded and fixed to both ends of the trunk portion, and the trunk portion A partition plate that is welded and fixed to the inside of the body part to partition the inside of the body part into a wiring chamber on one end side in the axial direction and a device room on the other end side, and attached to the attachment part on one end side of the body part An explosion-proof container having a wiring cover for closing the body, a device cover attached to the attachment portion on the other end side of the body portion , and closing the other end side of the body portion , and the wiring chamber of the explosion-proof container. A wiring portion connected to a transmission line for transmitting a motor operation monitoring signal drawn into the wiring chamber, and a motor operation monitoring signal that is disposed in the equipment chamber of the explosion-proof container and is input to the wiring portion. Monitoring information is acquired and this monitoring information is transmitted wirelessly. In which and a radio monitoring device main body for wireless transmission to the earth station.

The wireless monitoring device according to claim 2, wherein a trunk portion formed by a pipe having an axially open shape and the same shape in the axial direction, a cylindrical attachment portion welded and fixed to both ends of the trunk portion, and the trunk portion A partition plate that is welded and fixed to the inside of the body part to partition the inside of the body part into a wiring chamber on one end side in the axial direction and a device room on the other end side, and is attached to the attachment part on one end side of the body part, on one end side of the body part An explosion-proof container having a wiring cover for closing the body, a device cover attached to the attachment portion on the other end side of the body portion , and closing the other end side of the body portion , and the wiring chamber of the explosion-proof container. A wiring portion connected to a transmission line for transmitting a motor operation monitoring signal drawn into the wiring chamber, and a motor operation monitoring signal that is disposed in the equipment chamber of the explosion-proof container and is input to the wiring portion. A wireless monitoring device main body for acquiring monitored information The monitoring information obtained by the wireless monitoring device main body in which and a radio communication unit that wirelessly transmits.

11 Wireless monitoring device
13 Transmission line
14 Radio base station
21 Explosion-proof container
22 Wiring section
24 Mounting base
28 Wiring cover
29 Equipment cover
30 Torso
31, 32 mounting part
33 divider
34 Wiring room
35 Equipment room
36 pipes
37 service entrance
38 Retractable cylinder
55 Wireless passage
62 Bearing wear monitoring signal converter
63 Wireless monitoring device
64 antenna
74 Wireless communication unit

Claims (7)

A trunk formed by a pipe opening in the axial direction, a partition plate for partitioning the inside of the trunk into a wiring chamber on one end side in the axial direction and a device chamber on the other end side, a wiring cover for closing one end side of the trunk portion, And an explosion-proof container having a device cover for closing the other end side of the body part,
A wiring unit that is disposed in the wiring chamber of the explosion-proof container and connected to a transmission line that transmits a motor operation monitoring signal drawn into the wiring chamber;
A radio monitoring apparatus main body that is disposed in the equipment room of the explosion-proof container, acquires monitoring information corresponding to the motor operation monitoring signal input to the wiring unit, and wirelessly transmits the monitoring information to a radio base station A wireless monitoring device comprising: A trunk formed by a pipe opening in the axial direction, a partition plate for partitioning the inside of the trunk into a wiring chamber on one end side in the axial direction and a device chamber on the other end side, a wiring cover for closing one end side of the trunk portion, And an explosion-proof container having a device cover for closing the other end side of the body part,
A wiring unit that is disposed in the wiring chamber of the explosion-proof container and connected to a transmission line that transmits a motor operation monitoring signal drawn into the wiring chamber;
A wireless monitoring device main body that is disposed in the equipment room of the explosion-proof container and acquires monitoring information according to the motor operation monitoring signal input to the wiring unit;
A wireless monitoring device comprising: a wireless communication unit that wirelessly transmits the monitoring information acquired by the wireless monitoring device body. The wireless monitoring device according to claim 1, wherein the trunk portion is cylindrical and has a plurality of inlets through which the transmission line is drawn into the wiring chamber. The wireless monitoring device according to claim 3, wherein the trunk portion includes a plurality of lead-in cylinder portions that communicate with the lead-in port and project from the trunk portion in parallel. The wireless monitoring according to any one of claims 1 to 4, further comprising a mount for attaching the explosion-proof container to the installation surface so that an axial direction of the explosion-proof container is parallel to the installation surface. apparatus. The device cover has a radio passage part through which radio passes,
The wireless monitoring device according to claim 1, wherein the wireless monitoring device main body includes an antenna that transmits and receives wireless signals, and the antenna is disposed to face the wireless passage portion of the device cover. The motor operation monitoring signal includes a motor bearing wear monitoring signal,
The equipment room of the explosion-proof container includes a bearing wear monitoring signal converter that converts the bearing wear monitoring signal input to the wiring portion into the monitoring information and outputs the monitoring information to the radio monitoring device body. The wireless monitoring device according to any one of claims 1 to 6.

Images